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Laser projectors have emerged as a transformative force in the realm of visual display technology, redefining how we experience images and videos. This groundbreaking innovation harnesses the power of lasers to deliver vivid, high-quality projections, offering advantages that extend beyond traditional lamp-based projectors. In this in-depth exploration, we will unravel the secrets of how laser projectors work and examine their key components, benefits, and diverse applications.
What Is A Laser?
Fun fact: The word laser is actually an acronym for Light Amplification by Stimulated Emission of Radiation.
But what does that mean?
Normally, light consists of random photons at all sorts of wavelengths, going in all sorts of directions. This is what gives you “white light” or light that is made up of all the colors of the rainbow. But different colors of light travel at different speeds through anything that isn't a vacuum, and refract at different angles. So the light is very unfocused.
With lasers, think of them like very well-behaved light. They are like a bunch of little soldiers marching together in a straight line at the same pace (wavelength). When you press a button, it tells the light particles to line up and go in the same direction, at the same wavelength making a strong and focused beam. And because they’re all at the same wavelength the laser beam is one consistent color.
Because the laser light is monochromatic and focused this makes lasers a phenomenal light source for projection. But why are lasers so useful in projectors? First we need to go over how a digital projector works.
How Do Digital Projectors Work?
In order to fully explain how laser projectors work you first need to understand how a bulb based projector works.
Because they’re using a bulb that emits ordinary light, in order to create the image and colors you see on the screen you need to break down the light into the primary colors, Red, Blue and Green. Modern lamp based digital projectors either use a color wheel or a series of dichromic mirrors to separate the white light from the bulb into the colors you see on your projection screen.
Bulb Based DLP Projector
Bulb Based LCD Projector
This works great and for decades bulb based projectors were the only ones available. But there’s a pretty big downside to using a bulb that emits white light and that’s wasted energy. With a regular projection bulb the light is more scattered meaning only a portion of the total light actually hits the screen. Plus with a color wheel only one color at a time shows meaning for that split second the light of other colors gets wasted.
Because a laser beam is so much more focused, light doesn’t get scattered meaning more of the light actually hits the screen. And with a triple laser array you can do away with the color wheel and dichroic mirrors meaning all of the light emitted by the laser diodes hits the screen. This all allows the projector to be more energy efficient and produce a brighter image on your screen.
We’ll get more into the benefits and drawbacks of laser projectors vs bulbs later in this piece. But first let’s go over the parts of a laser projector and how they work.
How Do Single Laser Projectors Work?
As the name implies, a single laser projector uses a single laser light source of a specific color, typically blue, to create the projected image. But how does a projector take a single color and turn it into a gorgeous and colorful 4K resolution image?
The answer is science!
By using a single blue laser light source the projector can be brighter and more efficient so you get a more vibrant and accurate display of colors in the projected image.
Why do single laser projectors use blue lasers?
Single laser projectors often use blue lasers because blue light has a shorter wavelength and carries more energy than green or red light. This allows projection engineers to more efficiently convert the blue light into the other colors using a yellow phosphor wheel. If you were to use a single green or red laser light source you would need significantly more energy to achieve the same brightness as you’d get from a blue laser light source.
Let’s dive into how different types of projectors turns a single blue laser light source into the sharp image and vibrant colors you see on your screen.
How Single Laser 3LCD Projectors Work
A LCD projector uses a 3LCD chipset to create the image on the screen. You can learn more about how LCD projectors work from this article. Laser LCD projectors do function a bit differently from bulb based models. Here’s how they work:
1. Laser Emission - The laser diodes in the diode bank are powered on and emit a concentrated monochromatic beam of laser light. This light passes through a lens that focuses light emitted by the diodes in the laser diode bank.
2. Yellow Phosphor Wheel - The light strikes a yellow phosphor wheel. This wheel is covered with a special coating that when stimulated with blue light photons phosphorizes and emits a white light which is made up of all the primary colors (RGB).
3. Dichroic Mirrors - The now white light hits a dichroic mirror that allows blue light to pass through while reflecting yellow light (made up of green and red light). The yellow light then hits a second dichroic mirror that allows red light through while reflecting green light. Mirrors are used to position the red, green and blue lights so they can be recombined in the next step.
4. LCD Panels and Recombination Prism - The separate red, green and blue light hits the LCD panels which create the image. The 3 colors are then combined together in a prism and get focused by the projector lens to create the gigantic image you see on your cinema screen.
How Single Laser DLP Projectors Work
Simply put A DLP projector works by shining white light (that is made up of red, green and blue light) passing through the segmented filters of a spinning color wheel and then bouncing off the micromirrors on the DLP chip that reposition themselves for the shading for each color, in successive order. So you get a red image, a blue image and a green image, one after another. These colored images appear on the screen so quickly together that our brains perceive a fully colored picture.
A DLP laser projector works in a very similar manner to a bulb based one, but instead of using the multichromatic white light they use a distinct blue laser light source. But in order to create the separate blue image, green image and red image, you need to turn blue laser light into green and red. This is how DLP laser projectors create each colored image:
1. Creating Blue Images - Creating the blue image is the most straightforward. The blue laser is emitted from the laser diode bank and passes through the clear segment of a color wheel. It then gets bounced off a series of mirrors and passes through the clear segment of a second color wheel. Meanwhile, the micromirrors on the surface of the DLP chip align to create what would be the blue parts of the image with shading. Using a prism the blue laser light bounces off the DLP chip and gets focused by the projector lens so that you get a blue image on your screen for a fraction of a second.
2. Creating Green Images - To create the green part of the image the first color wheel is rotated so that the blue laser light emitted from the laser diode bank hits the green segment. This part is covered with a green phosphorous coating that when struck by blue light emits a green light. That green light is then reflected off the mirrors and passes through the green segment of the 2nd color wheel. At the same time the micromirrors on the DLP chip shift to form the green parts of the image. The green light is redirected by the prism, bounces off the DLP chip and then gets focused by the lens projecting a green image on the screen for less than a blink of the eye.
3. Creating Red Images - Much like creating the green part of the image, to create the red image the first color wheel is rotated again so that the blue laser light strikes the yellow segment of the color wheel that is coated with a substance that when hit emits yellow light (which is made up of green and red light). The yellow light bounces off the mirrors and passes through the red filter on the 2nd color wheel. This filter allows red light to pass while absorbing the green part of the yellow light. Again the micromirrors on the DLP chip shift to create the red parts of the image. The red light then goes through the prism, bounces off the DLP chip and gets focused by the projector lens so that you end up with a red image on the screen for a fraction of a second.
4. Putting It All Together - When you speed up this process we don’t perceive what we see on the screen as individual frames of color but rather our brain combines the images so that we see the collorful movies and tv shows that keep us entertained for hours.
Some single laser DLP projectors only use one color wheel with red, green and blue segments while others use multiple color wheels that might have yellow, magenta and cyan segments as well. Regardless, the process is basically the same.
How Do Triple Laser Projector Work?
One of the challenges with single laser projectors is that while the blues of the image would come across as fully vibrant, the greens and reds wouldn’t be as bright because you have to take the blue light and convert it which would cause it to lose some of its energy. A triple laser projector remedies this by having a distinct light source for each individual primary color.
So exactly how does a triple laser projector work?
- Blue Image - You might think that all three colored lasers would be on at the same time but with how DLP chips work showing only a single color at a time. So first the blue laser is fired for a brief time. The blue laser goes through the prism and bounces off the micromirrors on the surface of the DLP chip that are positioned to show the blue parts of the image with shading. The light passes through the projector’s lens and gets focused so it appears on the screen as a blue image for less than a second.
- Green Image - Next the green laser fires a pulse of light. The micromirrors on the chip adjust to create the green parts of the frame. The green laser light goes through the prism, strikes the surface of the DLP chip, gets focused by the projector lens and beamed onto the screen for a fraction of a second.
- Red Image - Finally the red laser diodes fire a pulse of red laser light that get redirected by the prism, bounce off the micromirrors of the chip adjusted for the red parts of the image and then get focused by the lens and shined onto the screen for mere milliseconds.
- Putting It All Together - The RGB lasers continue to pulse in succession while the micromirrors adjust position for each color. This happens so quickly that instead of seeing the individual colors on screen our brain puts the three images together to create the fully vibrant image we see on the projected onto the display surface.
There are some triple laser projectors like the LG HU915QB that use a red laser, a blue laser and a second blue laser with a green filter to create the primary colors. This is done to avoid pixel level chromatic aberrations like color misalignment issues found on many RGB triple lasers, but sacrificing some of the BT.2020 color gamut coverage capabilities of a true RGB laser projector.
Currently there are only triple laser DLP projectors and no triple laser LCD projectors. This is because with the way the LCD technology works there isn’t really an advantage of having a triple laser set up. It would just be more efficient to use a brighter blue laser.
Triple Laser Projectors Vs Single Laser Projectors
Triple Laser Projectors
Pros:
- Color Accuracy And Vibrancy: Triple laser projectors can provide superior color accuracy and a wider color gamut. The ability to use three primary colors allows for more precise color reproduction. Triple laser projectors are often able to exceed the BT.2020 color gamut.
- Brightness: The use of multiple lasers can enhance brightness levels, resulting in vivid and vibrant images even in well-lit environments.
- Minimal Rainbow Effect: Because there isn’t a color wheel you’re less likely to experience the Projection Rainbow Effect.
- Less Moving Parts: RGB triple lasers don’t use color wheels so that’s one less part that can break in your projector overtime.
Cons:
- Higher Cost: Triple laser projectors tend to be more complex in design and production, leading to higher manufacturing costs. This can make them more expensive for consumers.
- Alignment: Though uncommon, slight variances in manufacturing can cause an issue where the lasers aren’t perfectly aligned causing slight chromatic aberrations.
Single Laser Projectors
Pros:
- Lower Cost: Single laser projectors are generally more cost-effective. They are a more budget-friendly option for consumers looking for a projector without the added expense of multiple lasers.
- Less Laser Speckle: Because of the decreased laser light output single laser projectors typically have less laser speckling.
Cons:
- Color Accuracy: While single laser projectors can still provide good color reproduction, they typically can’t match the precision and range of colors achieved by triple laser models.
- Brightness: In comparison to triple laser projectors, single laser models may have limitations in achieving the same high levels of brightness, impacting performance in well-lit environments. This is particularly true with DLP laser projectors.
- Noise: The whirling of color wheels can cause additional noise coming from the components of the projector.
Ultimately, the choice between a triple laser and a single laser projector depends on your specific needs, budget considerations, and the viewing environment. Triple laser projectors are geared towards users who prioritize top-notch color accuracy and brightness, while single laser projectors offer a more budget-friendly option with simpler designs.
How Dual Laser Projectors Work
Dual Laser projectors work similarly to triple laser units. Though as you can guess instead of using three lasers they only use two. Typically you’ll find projectors with either two blue lasers or a red and a blue laser like the LG Cinebeam HU810P.
With a RB laser set up, the red laser is used to create the red parts of the image. The blue laser is used to create the blue part of the image, and using a phosphor wheel gets additionally turned into yellow light which then gets split into green and red components. The advantage of doing it this way is you get more vibrant reds on your screen, something single laser units often lack.
In a BB dual laser projector array, one blue laser is used just for blue and the other is split into red and green components using a yellow phosphor wheel.
Why Get A 4K Laser Projector?
If you want the most gorgeous and vivid image on your screen, a 4K laser projector is the way to go.
Investing in a 4K laser projector offers a compelling array of advantages that significantly contribute to an enhanced viewing experience. With a resolution of 3840 x 2160 pixels, a 4K laser projector provides four times the pixel density of traditional Full HD (1080p) projectors. This elevated resolution translates to sharper and more detailed images, making it particularly impactful for large screen sizes.
The increased clarity and finer details make 4K laser projectors well-suited for various content types, including movies, sports, and gaming. Their capability to deliver exceptional image quality on larger screens without compromising clarity is particularly appealing for home theaters or conference rooms seeking a more immersive visual experience.
Moreover, 4K laser projectors ensure compatibility with the growing prevalence of 4K content in streaming services, Blu-ray, and other media. This future-proofing aspect makes them a prudent choice for those who want to stay ahead in terms of technological advancements.
Many 4K laser projectors also incorporate advanced color technologies, leading to improved color accuracy and a wider color gamut. This enhances the vibrancy and realism of the projected images. Additionally, the inclusion of High Dynamic Range (HDR) technology contributes to superior contrast and a broader range of colors, resulting in visually stunning and dynamic images, especially in scenes with varying brightness levels.
Beyond the visual enhancements, 4K laser projectors offer versatility across different applications, including home entertainment, professional presentations, and educational settings. Their adaptability to various environments, combined with their longer life cycle and cutting-edge display technology, makes them a worthwhile investment for those seeking a top-tier projection experience. While the initial cost may be higher, the overall benefits in image quality and features make 4K laser projectors a compelling choice for enthusiasts and professionals alike.
How Long Do Laser Projectors Last?
The lifespan of laser projectors varies, but they generally last between 20,000 to 30,000 hours of use. That's about 12 years of usage if you’re watching TV and movies 8 hours a day, five days a week. You’ll likely be ready to upgrade your projector to the next level of technology by the time the laser light source dies down.
Factors like usage patterns, environment and maintenance can influence the projector’s longevity.
When comparing laser to bulb-based projectors, the lamps typically have shorter lifespans ranging from 1,000 to 5,000 hours before they need to be replaced, depending on the type of bulb used. And the brightness of the bulb diminishes over time while the laser light source maintains brightness throughout its lifespan. Laser projectors generally offer a longer lifespan and often have lower maintenance costs over time.
Can You Replace The Laser In A Projector?
Laser projectors don't use traditional lamps like bulb-based projectors. Instead, they have laser light sources. They’re not typically designed to be easily opened up to replace parts and doing so will void your warranty.
If there's an issue with the laser source in a laser projector, it's usually a specialized component that may need professional servicing rather than a straightforward replacement like changing a lamp in a traditional projector.
On top of that, few manufacturers produce replacement laser lamps for sale.
Always consult the manufacturer's guidelines for maintenance and service options.
What Are The Advantages Of Laser Projectors?
Laser projectors have become increasingly popular due to their numerous advantages in the realm of visual display technology compared to traditional bulb and LED models. We go more in-depth comparing bulb vs laser vs LED projectors in this post.
Lasers are made to emit light at one precise wavelength corresponding to a specific color, meaning that it's much easier for manufacturers to build projectors with arrangements of lasers at the correct wavelengths to enable wider color gamuts for more realistic and vibrant colors.
Because they use distinct red, green and blue lasers, Triple laser projectors are often capable of exceeding the BT.2020 color space. This means you get the most vivid and accurate colors in your projected image.
- Brighter With More Efficient Power Consumption
Laser projectors aren’t necessarily always brighter, as it greatly depends on the projector model. But what they do have is more efficient power consumption that allows for a brighter projector.
Much of the energy to power the bulb is either filtered out to get the desired RGB colors or is lost as heat. In fact, less than one fifth of the light generated by the projector’s light source actually makes it to the screen.
Laser projectors are more energy-efficient than bulb projectors because they convert a higher percentage of electrical power into visible light. They often require less power to produce similar or even higher brightness levels compared to traditional bulb-based projectors.
This efficiency results in lower energy consumption and operational costs over the lifespan of the projector without needing more electricity than your standard wall outlet can safely deliver.
The laser light source on a projector lasts much, much longer than their bulb based counterparts. Most projector bulbs last from 1,500 up to 5,000 hours. Most projectors will need one or two bulb swaps during the device’s lifetime.
Laser projectors come with a much longer lifespan between 20,000-30,000 hours. Over 4x as long as the longest lasting bulbs. That’s long enough to watch all 11.36 hours of the Lord of The Rings trilogy extended editions at least 1,760 times! (Make sure to make plenty of popcorn for that binge watch.)
- Laser Projectors Hold Their Brightness
One of the biggest advantages of laser projectors is that over their usage lamp projectors become progressively dimmer and lose their color fidelity.
This is not the case with laser projectors which hold their brightness and color profiles throughout their longer lifespan.
Because you don’t need to replace the bulbs, laser projectors are a great choice for venues where you need your projector to work every time such as at a school, in a conference room, or for a bar. Large venues with really big rooms should also consider laser video projectors because the device is typically mounted in a hard to access location, so the less you need to change bulbs the better.
Another advantage to laser projectors is that they don’t need tons of time to achieve brightness when you turn them on. No more waiting around for your projector to warm up. And they turn off nearly instantly too.
Because RGB triple laser projectors don’t use color wheels you have much less chance of being impacted by rainbow visual artifacts.
What Are The Disadvantages of Laser Projectors?
- Cost Of A 4K Laser Projector
As with any new technology, you'll be paying an early adopter tax. Because of the advanced technology that goes into the projector you’re going to be paying more for a 4K laser unit.
When it comes to home theater the cost of a 4K laser projector is typically between $3,500 to $9,000. This price depends on the brightness, throw type and other features of the optical device like HDR support and lens quality.
More lower priced 4K resolution laser projectors are being released like the Formovie X5 which is being sold for $1,599.
Another concern with laser projectors is an effect known as speckle. Speckling is produced when the light beams from a laser projector interact with or scatter off the surface because of its texture.
In other words, sometimes laser projectors make the screen twinkle like a vampire from Twilight in the sun. The above picture is an exaggerated example and most speckling is hardly noticeable for most viewers.
You would typically see speckling on cheap projector screens. That’s why it’s important to get a high quality textureless 4K projector screen to avoid laser speckling. Better made projectors are also able to minimize this effect.
You shouldn’t look directly into any projector because of how bright they are. However laser projectors do have a higher risk of causing eye damage if you look into the beam. Most new projectors have an eye protection feature that dims the brightness if it detects an object getting in the path of the light.
What Brands Make The Best 4K Laser Projectors?
In the ever-evolving landscape of home entertainment and professional display solutions, 4K laser projectors have emerged as cutting-edge devices, delivering unparalleled visual experiences. Several renowned brands have embraced this technology, pushing the boundaries of image quality and performance.
Here are some of the best manufacturers who make laser projectors:
Projector Resolution: | 4K |
Brand: | LG |
Product Status: | In Stock |
Lumens: | 3700 |
Projector Type: | Ultra Short Throw |
Light Source: | Laser |
Contrast Ratio: | 2,000,000:1 |
Chipset: | DLP |
Aspect Ratio: | 16:9 [HD] |
Throw Ratio: | 0.19:1 (D:W) |
Native Resolution: | 3840x2160 |
Lens Shift: | No |
Input Lag: | 4K/60Hz: 53.3ms |
3D Support: | No |
Built-In Speaker: | Yes |
Warranty: | 1 Year |
Standard Lens Focus: | Manual |
ARC/eARC: | eARC |
Operating System: | webOS |
Projector Resolution: | 4K |
Brand: | LG |
Product Status: | In Stock |
Lumens: | 3000 |
Projector Type: | Ultra Short Throw |
Light Source: | Laser |
Contrast Ratio: | 2,000,000:1 |
Chipset: | DLP |
Aspect Ratio: | 16:9 [HD] |
Throw Ratio: | 0.19:1 (D:W) |
Native Resolution: | 3840x2160 |
Lens Shift: | No |
Input Lag: | 4K/60Hz: 67ms |
3D Support: | No |
Built-In Speaker: | Yes |
Warranty: | 1 Year |
Standard Lens Focus: | Manual |
ARC/eARC: | eARC |
Operating System: | webOS |
Projector Resolution: | 4K |
Brand: | LG |
Product Status: | In Stock |
Lumens: | 2000 |
Projector Type: | Standard Throw |
Light Source: | Laser |
Contrast Ratio: | 2,000,000:1 |
Chipset: | DLP |
Aspect Ratio: | 16:9 [HD] |
Throw Ratio: | 1.30:1 - 2.08:1 (D:W) |
Native Resolution: | 3840x2160 |
Lens Shift: | Horizontal & Vertical |
Input Lag: | 4K/60Hz: 55.1ms | 1080p/60Hz: 50.8ms |
Built-In Speaker: | Yes |
Warranty: | 1 Year |
Standard Lens Focus: | Manual |
ARC/eARC: | eARC |
Projector Resolution: | 4K |
Brand: | LG |
Product Status: | Leaves Warehouse within 2-3 Weeks |
Lumens: | 2700 |
Projector Type: | Ultra Short Throw |
Light Source: | Laser |
Contrast Ratio: | 2,000,000:1 |
Chipset: | DLP |
Aspect Ratio: | 16:9 [HD] |
Throw Ratio: | 0.19:1 (D:W) |
Native Resolution: | 3840x2160 |
Lens Shift: | No |
Input Lag: | 4K/60Hz: 55ms |
Built-In Speaker: | Yes |
Warranty: | 2 Years |
Standard Lens Focus: | Manual |
Projector Resolution: | 4K |
Brand: | EPSON |
Product Status: | In Stock |
Lumens: | 2500 |
Projector Type: | Standard Throw |
Light Source: | Laser |
Contrast Ratio: | 1,200,000:1 |
Chipset: | LCD |
Aspect Ratio: | 16:9 [HD] |
Throw Ratio: | 1.35:1 - 2.84:1 (D:W) |
Native Resolution: | 3840x2160 |
Lens Shift: | Horizontal & Vertical |
Input Lag: | 4K/60Hz:19.4ms | 1080p/120Hz: 28.7ms |
3D Support: | No |
Warranty: | 2 Years |
Standard Lens Focus: | Motorized |
ARC/eARC: | eARC |
Projector Resolution: | 4K |
Brand: | EPSON |
Product Status: | Leaves Warehouse within 5-10 Business Days |
Lumens: | 4000 |
Projector Type: | Ultra Short Throw |
Light Source: | Laser |
Contrast Ratio: | 2,500,000:1 |
Chipset: | LCD |
Aspect Ratio: | 16:9 [HD] |
Throw Ratio: | 0.16:1 (D:W) |
Native Resolution: | 3840x2160 |
Lens Shift: | No |
Input Lag: | 4K/60Hz: 21.0ms | 1080p/60Hz: 22.1ms | 1080p/120Hz: 12.3ms |
3D Support: | No |
Built-In Speaker: | Yes |
Warranty: | 2 Years |
Standard Lens Focus: | Manual |
ARC/eARC: | ARC |
Operating System: | Android TV |
Projector Resolution: | 4K |
Brand: | EPSON |
Product Status: | Contact Us to Place Order |
Lumens: | 2700 |
Projector Type: | Standard Throw |
Light Source: | Laser |
Contrast Ratio: | 2,500,000:1 |
Chipset: | LCD |
Aspect Ratio: | 16:9 [HD] |
Throw Ratio: | 1.35:1 - 2.84:1 (D:W) |
Native Resolution: | 3840x2160 |
Lens Shift: | Horizontal & Vertical |
Input Lag: | 4K/60Hz:19.4ms | 1080p/120Hz: 28.7ms |
3D Support: | No |
Warranty: | 3 Years |
Standard Lens Focus: | Motorized |
ARC/eARC: | eARC |
Projector Resolution: | 4K |
Brand: | EPSON |
Product Status: | Leaves Warehouse within 5-10 Business Days |
Lumens: | 4000 |
Projector Type: | Ultra Short Throw |
Light Source: | Laser |
Contrast Ratio: | 2,500,000:1 |
Chipset: | LCD |
Aspect Ratio: | 16:9 [HD] |
Throw Ratio: | 0.16:1 (D:W) |
Native Resolution: | 3840x2160 |
Lens Shift: | No |
Input Lag: | 4K/60Hz: 21.0ms | 1080p/60Hz: 22.1ms | 1080p/120Hz: 12.3ms |
3D Support: | No |
Built-In Speaker: | Yes |
Warranty: | 2 Years |
Standard Lens Focus: | Manual |
ARC/eARC: | ARC |
Operating System: | Android TV |
Projector Resolution: | 1080P |
Brand: | Optoma |
Product Status: | Leaves Warehouse within 2-3 Weeks |
Lumens: | 4000 |
Projector Type: | Short Throw, Golf Simulator |
Light Source: | Laser |
Contrast Ratio: | 300,000:1 |
Chipset: | DLP |
Aspect Ratio: | 16:9 [HD] |
Throw Ratio: | 0.50:1 |
Native Resolution: | 1920x1080 |
Lens Shift: | Horizontal & Vertical |
3D Support: | Full HD 3D |
Built-In Speaker: | Yes |
Warranty: | 3 Years |
Standard Lens Focus: | Manual |
Projector Resolution: | 4K |
Brand: | Optoma |
Product Status: | Leaves Warehouse within 1-2 Business Days |
Lumens: | 3500 |
Projector Type: | Short Throw, Golf Simulator |
Light Source: | Laser |
Contrast Ratio: | 500,000:1 |
Chipset: | DLP |
Aspect Ratio: | 16:9 [HD] |
Throw Ratio: | 0.50:1 (D:W) |
Native Resolution: | 3840x2160 |
Lens Shift: | No |
Input Lag: | 4K/60: 16.9ms|1080p/60: 16ms|1080p/120: 8ms|1080p/240: 4ms |
3D Support: | Full HD 3D |
Built-In Speaker: | Yes |
Warranty: | 1 Year |
Standard Lens Focus: | Manual |
Projector Resolution: | 4K |
Brand: | Optoma |
Product Status: | In Stock |
Lumens: | 3000 |
Projector Type: | Standard Throw |
Light Source: | Laser |
Contrast Ratio: | 2,500,000:1 |
Chipset: | DLP |
Aspect Ratio: | 16:9 [HD] |
Throw Ratio: | 1.21:1 - 1.59:1 (D:W) |
Native Resolution: | 3840x2160 |
Lens Shift: | No |
Input Lag: | 4K/60: 16.7ms | 1080p/240: 4ms |
3D Support: | Full HD 3D |
Built-In Speaker: | Yes |
Warranty: | 2 Years |
Standard Lens Focus: | Manual |
Projector Resolution: | 4K |
Brand: | Optoma |
Product Status: | Leaves Warehouse within 2-3 Weeks |
Lumens: | 5000 |
Projector Type: | Standard Throw |
Light Source: | Laser |
Contrast Ratio: | 300,000:1 |
Chipset: | DLP |
Aspect Ratio: | 16:9 [HD] |
Throw Ratio: | 1.39:1 - 2.22:1 (D:W) |
Native Resolution: | 3840x2160 |
Lens Shift: | Vertical |
3D Support: | Full HD 3D |
Built-In Speaker: | Yes |
Warranty: | 3 Years |
Standard Lens Focus: | Manual |
Samsung Laser Projectors
Projector Resolution: | 4K |
Brand: | Formovie |
Product Status: | In Stock |
Lumens: | 2800 |
Projector Type: | Ultra Short Throw |
Light Source: | Laser |
Contrast Ratio: | 3,000:1 (full on/off) |
Chipset: | DLP |
Aspect Ratio: | 16:9 [HD] |
Throw Ratio: | 0.23:1 (D:W) |
Native Resolution: | 3840x2160 |
Lens Shift: | No |
Input Lag: | 4K/60Hz: 43ms | 1080p/60Hz: 41ms | 1080p/120Hz: 37ms | 1080p/240Hz: 34ms |
3D Support: | No |
Built-In Speaker: | Yes |
Warranty: | 2 Years |
Standard Lens Focus: | Motorized |
ARC/eARC: | eARC |
Operating System: | Android TV |
Projector Resolution: | 4K |
Brand: | Formovie |
Product Status: | In Stock |
Lumens: | 2450 |
Projector Type: | Lifestyle |
Light Source: | Laser |
Contrast Ratio: | 1200:1 (Full On/Off) |
Chipset: | DLP |
Aspect Ratio: | 16:9 [HD] |
Throw Ratio: | 1.27:1 |
Native Resolution: | 3840x2160 |
Lens Shift: | No |
Input Lag: | 4K/60Hz: 42.5ms |
Built-In Speaker: | Yes |
Warranty: | 3 Years |
Standard Lens Focus: | Motorized |
Digital Inputs: | HDMI |
Projector Resolution: | 4K |
Brand: | Formovie |
Product Status: | Leaves Warehouse within 5-10 Business Days |
Lumens: | 2200 |
Projector Type: | Ultra Short Throw |
Light Source: | Laser |
Contrast Ratio: | 3,000:1 (full on/off) |
Chipset: | DLP |
Aspect Ratio: | 16:9 [HD] |
Throw Ratio: | 0.23:1 (D:W) |
Native Resolution: | 3840x2160 |
Lens Shift: | No |
Input Lag: | 4K/60Hz: 43ms | 1080p/60Hz: 41ms |
3D Support: | No |
Built-In Speaker: | Yes |
Standard Lens Focus: | Motorized |
ARC/eARC: | eARC |
Operating System: | FengOS 3.0 |
Projector Resolution: | 4K |
Brand: | JVC |
Product Status: | Contact Us to Place Order |
Lumens: | 2200 |
Projector Type: | Standard Throw |
Light Source: | Laser |
Contrast Ratio: | 40,000:1 |
Chipset: | LCoS |
Aspect Ratio: | 16:9 [HD] |
Throw Ratio: | 1.40:1 - 2.80:1 (D:W) |
Native Resolution: | 8192x4320 |
Lens Shift: | Horizontal & Vertical |
Input Lag: | 4K/60Hz: 44.7ms | 1080p/60Hz: 36.5ms | 1080p/120Hz: 36ms |
3D Support: | Full HD 3D |
Warranty: | 3 Years |
Standard Lens Focus: | Motorized |
Projector Resolution: | 4K |
Brand: | JVC |
Product Status: | Contact Us to Place Order |
Lumens: | 3000 |
Projector Type: | Standard Throw |
Light Source: | Laser |
Contrast Ratio: | 100,000:1 |
Chipset: | LCoS |
Aspect Ratio: | 16:9 [HD] |
Throw Ratio: | 1.35:1 - 2.71:1 (D:W) |
Native Resolution: | 8192x4320 |
Lens Shift: | Horizontal & Vertical |
Input Lag: | 4K/60Hz: 44.7ms | 1080p/60Hz: 36.5ms | 1080p/120Hz: 36ms |
3D Support: | Full HD 3D |
Warranty: | 3 Years |
Standard Lens Focus: | Motorized |
Projector Resolution: | 4K |
Brand: | JVC |
Product Status: | Contact Us to Place Order |
Lumens: | 3300 |
Projector Type: | Standard Throw |
Light Source: | Laser |
Chipset: | DLP |
Aspect Ratio: | 16:9 [HD] |
Throw Ratio: | 1.36:1 - 2.18:1 (D:W) |
Native Resolution: | 3840x2160 |
Lens Shift: | Horizontal & Vertical |
Input Lag: | 1080P/240Hz: 6.25ms |
3D Support: | No |
Warranty: | 1 Year |
Standard Lens Focus: | Manual |
Projector Resolution: | 4K |
Brand: | JVC |
Product Status: | Contact Us to Place Order |
Lumens: | 2500 |
Projector Type: | Standard Throw |
Light Source: | Laser |
Contrast Ratio: | 80,000:1 |
Chipset: | LCoS |
Aspect Ratio: | 16:9 [HD] |
Throw Ratio: | 1.40:1 - 2.80:1 (D:W) |
Native Resolution: | 8192x4320 |
Lens Shift: | Horizontal & Vertical |
Input Lag: | 4K/60Hz: 44.7ms | 1080p/60Hz: 36.5ms | 1080p/120Hz: 36ms |
3D Support: | Full HD 3D |
Warranty: | 3 Years |
Standard Lens Focus: | Motorized |
Projector Resolution: | 4K |
Brand: | Sony |
Product Status: | Contact Us to Place Order |
Lumens: | 2000 |
Projector Type: | Standard Throw |
Light Source: | Laser |
Chipset: | LCoS |
Aspect Ratio: | 16:9 [HD] |
Throw Ratio: | 1.38:1 - 2.21:1 (D:W) |
Native Resolution: | 3840x2160 |
Lens Shift: | Horizontal & Vertical |
Input Lag: | 4K/60Hz: 21ms |
3D Support: | No |
Warranty: | 3 Years |
Standard Lens Focus: | Manual |
Projector Resolution: | 4K |
Brand: | Sony |
Product Status: | Contact Us to Place Order |
Lumens: | 2500 |
Projector Type: | Standard Throw |
Light Source: | Laser |
Chipset: | LCoS |
Aspect Ratio: | 16:9 [HD] |
Throw Ratio: | 1.35:1 - 2.84:1 (D:W) |
Native Resolution: | 3840x2160 |
Lens Shift: | Horizontal & Vertical |
Input Lag: | 4K/60Hz: 27ms | 1080p/120Hz: 16ms |
3D Support: | Full HD 3D |
Warranty: | 3 Years |
Standard Lens Focus: | Motorized |
Projector Resolution: | 4K |
Brand: | Sony |
Product Status: | Contact Us to Place Order |
Lumens: | 2000 |
Projector Type: | Standard Throw |
Light Source: | Laser |
Chipset: | LCoS |
Aspect Ratio: | 16:9 [HD] |
Throw Ratio: | 1.38:1 - 2.21:1 (D:W) |
Native Resolution: | 3840x2160 |
Lens Shift: | Horizontal & Vertical |
Input Lag: | 4K/60Hz: 21ms |
3D Support: | No |
Warranty: | 3 Years |
Standard Lens Focus: | Manual |
Projector Resolution: | 4K |
Brand: | Sony |
Product Status: | Contact Us to Place Order |
Lumens: | 2500 |
Projector Type: | Standard Throw |
Light Source: | Laser |
Chipset: | LCoS |
Aspect Ratio: | 16:9 [HD] |
Throw Ratio: | 1.35:1 - 2.84:1 (D:W) |
Native Resolution: | 3840x2160 |
Lens Shift: | Horizontal & Vertical |
Input Lag: | 4K/60Hz: 27ms | 1080p/120Hz: 16ms |
3D Support: | Full HD 3D |
Warranty: | 3 Years |
Standard Lens Focus: | Motorized |
Projector Resolution: | 4K |
Brand: | Hisense |
Product Status: | In Stock |
Lumens: | 2200 |
Projector Type: | Ultra Short Throw |
Light Source: | Laser |
Contrast Ratio: | 2,000,000:1 |
Chipset: | DLP |
Aspect Ratio: | 16:9 [HD] |
Throw Ratio: | 0.25:1 (D:W) |
Native Resolution: | 3840x2160 |
Input Lag: | 4K/60Hz: 46.6ms | 1080p/120Hz: 23.3ms |
Built-In Speaker: | Yes |
Warranty: | 2 Years |
Standard Lens Focus: | Motorized |
ARC/eARC: | eARC |
Operating System: | Google TV |
Projector Resolution: | 4K |
Brand: | Hisense |
Product Status: | In Stock |
Lumens: | 2400 |
Projector Type: | Ultra Short Throw |
Light Source: | Laser |
Contrast Ratio: | 2,000,000:1 |
Chipset: | DLP |
Aspect Ratio: | 16:9 [HD] |
Throw Ratio: | 0.25:1 (D:W) |
Native Resolution: | 3840x2160 |
Input Lag: | 4K/60Hz: 34.1ms | 1080p/60Hz: 34.1ms |
Built-In Speaker: | Yes |
Warranty: | 2 Years |
Standard Lens Focus: | Motorized |
ARC/eARC: | eARC |
Operating System: | Android TV |
Projector Resolution: | 4K |
Brand: | Hisense |
Product Status: | In Stock |
Lumens: | 1600 |
Projector Type: | Lifestyle |
Light Source: | Laser |
Contrast Ratio: | 2,000,000:1 |
Chipset: | DLP |
Aspect Ratio: | 16:9 [HD] |
Throw Ratio: | 1.20:1 (D:W) |
Native Resolution: | 3840x2160 |
Lens Shift: | No |
Input Lag: | 4K/60Hz: 39.3ms |
3D Support: | No |
Built-In Speaker: | Yes |
Warranty: | 1 Year |
Standard Lens Focus: | Automatic |
ARC/eARC: | eARC |
Operating System: | VIDAA |
Projector Resolution: | 4K |
Brand: | Hisense |
Product Status: | Leaves Warehouse within 3-5 Business Days |
Lumens: | 3000 |
Projector Type: | Ultra Short Throw |
Light Source: | Laser |
Contrast Ratio: | 2,000,000:1 |
Chipset: | DLP |
Aspect Ratio: | 16:9 [HD] |
Throw Ratio: | 0.25:1 (D:W) |
Native Resolution: | 3840x2160 |
Input Lag: | 4K/60Hz: 34.1ms | 1080p/60Hz: 34.1ms |
Built-In Speaker: | Yes |
Warranty: | 2 Years |
Standard Lens Focus: | Fixed |
ARC/eARC: | eARC |
Operating System: | Google TV |
Projector Resolution: | 4K |
Brand: | BenQ |
Product Status: | Leaves Warehouse within 4-6 Weeks |
Lumens: | 5100 |
Projector Type: | Short Throw, Golf Simulator |
Light Source: | Laser |
Contrast Ratio: | 3,000,000:1 |
Chipset: | DLP |
Aspect Ratio: | 16:9 [HD] |
Throw Ratio: | 0.81:1 - 0.89:1 (D:W) |
Native Resolution: | 3840x2160 |
Lens Shift: | Horizontal & Vertical |
Input Lag: | 1080p/60Hz: 34ms |
3D Support: | Full HD 3D |
Built-In Speaker: | Yes |
Warranty: | 3 Years |
Standard Lens Focus: | Manual |
ARC/eARC: | ARC |
HDBaseT: | Yes |
Projector Resolution: | 1080P |
Brand: | BenQ |
Product Status: | Leaves Warehouse within 5-10 Business Days |
Lumens: | 3600 |
Projector Type: | Short Throw, Golf Simulator |
Light Source: | Laser |
Contrast Ratio: | 3,000,000:1 |
Chipset: | DLP |
Aspect Ratio: | 16:9 [HD] |
Throw Ratio: | 0.50:1 (D:W) |
Native Resolution: | 1920x1080 |
Lens Shift: | No |
Input Lag: | 1080p/60: 16.7ms |
3D Support: | Full HD 3D |
Built-In Speaker: | Yes |
Warranty: | 3 Year |
Standard Lens Focus: | Manual |
HDBaseT: | Yes |
Projector Resolution: | WUXGA |
Brand: | BenQ |
Product Status: | Leaves Warehouse within 2-3 Weeks |
Lumens: | 10000 |
Projector Type: | Optional Lens |
Light Source: | Laser |
Contrast Ratio: | 3,000,000:1 |
Chipset: | DLP |
Aspect Ratio: | 16:10 [WUXGA] |
Native Resolution: | 1920x1200 |
Lens Shift: | Horizontal & Vertical |
Input Lag: | 1080p/60Hz: 34ms |
3D Support: | Full HD 3D |
Standard Lens Focus: | No |
Projector Resolution: | WUXGA |
Brand: | BenQ |
Product Status: | Leaves Warehouse within 2-3 Weeks |
Lumens: | 8500 |
Projector Type: | Optional Lens |
Light Source: | Laser |
Contrast Ratio: | 3,000,000:1 |
Chipset: | DLP |
Aspect Ratio: | 16:10 [WUXGA] |
Native Resolution: | 1920x1200 |
Lens Shift: | Horizontal & Vertical |
Input Lag: | 1080p/60Hz: 34ms |
3D Support: | Full HD 3D |
Standard Lens Focus: | No |
Laser Projector Parts
A laser video projector is made up of a number of parts that when put together create the bright colorful image you see on your movie screen. Here are the basic components of a laser projector.
Laser Diode
A laser diode is an optoelectronic device, which converts electrical energy into light energy to produce a laser which is high intensity coherent light. Each laser diode emits a specific color laser.
Laser diodes are the rock stars of this show, emitting beams of light. These lasers, in red, green, and blue hues, form a symphony of colors, setting the stage for a visual extravaganza that'll make your eyes do a happy dance.
Most projectors only use one color laser (typically blue lasers), a few are dual laser projectors and now-a-days you’ll often find triple laser projectors that use distinct red, green and blue lasers.
Laser Diode Bank
A laser diode creates a very concentrated and narrow beam of light. But in order to create a projected image a laser projector needs a laser diode bank. This is an array of individual laser diodes that together cover the entire digital chipset with laser light.
Yellow Phosphor Wheel
A yellow phosphor wheel in a laser projector is a rotating wheel containing different phosphor coatings. It works by converting the monochromatic light emitted by the laser (usually blue) into different colors. As the blue light hits the yellow phosphor segments it excites the phosphor producing a yellow light. That yellow light can then be used to create the red and green light that together make up the image you see on the screen.
Color Wheel
A color wheel is found in a DLP laser projector. Like the yellow phosphor wheel, it is a rotating disk made up of different segments with phosphor coatings. As the wheel spins, the yellow light passes through different phosphor segments, each emitting a specific color. When it hits the red segment red light is produced and when it hits the green segment green light is produced. You’ll now have distinct red, green and blue light to make up the projected picture.
Dichroic Mirror
In LCD laser projectors, a dichroic mirror plays a crucial role in separating different color channels. It reflects certain wavelengths of light while allowing others to pass through.
In the context of an LCD laser projector a series of dichroic mirrors first allow blue light to pass through white reflecting the yellow light from the phosphor wheel. A second dichroic mirror filters the red and green light that makes up yellow light and allows the red to pass through while reflecting the green light.
Chipset
The chipset is the part of a digital projector that actually creates the image. There are three main types that each work in their own way. They are:
Projection Lens
The projection lens is a specially made piece of glass or plastic that focuses the image so it can be projected onto the projector screen at the proper size.
Summing It All Up
Laser projectors are becoming more and more common in the home theater space thanks to their outstanding color gamut, tremendous light output and impressive longevity of use. Now that you understand how laser projectors work, go buy one for yourself or a loved one.
If you have any questions about laser projection or pairing them with a projector screen don’t hesitate to speak to one of our projection experts via chat or call us.
Shopping For A Laser Projector? Talk With a Projection Expert:
(888) 392-4814