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LCOS projection technology compared with LCD projection technology - overhead projectors, office equipment - office supplies industry

Projection technology today has become increasingly mature. According to the different projection core technology can be divided into CRT (cathode ray tube) projectors, LCD (liquid crystal) projector, LCOS (liquid crystals) projection, and DLP (digital light processor) projection of four main types. Which, CRT and LCD projection technology by transmission type projection method, while the DLP and LCOS projection technology uses reflective projection means. The current mainstream market Projector Is a DLP projection technology using LCD and projector.

Projector market in the late 20th century occupies the main position of the CRT (cathode ray tube) projector technology, almost all of the early projector using this projection. But now it is already being LCD, DLP, LCOS projectors and other new technology instead.

LCD projection technology is the light through the optical system formed by spectroscopic red, green and blue beams of light were transmitted through the red, green and blue liquid crystal panel and after analog / digital signal conversion, by controlling the liquid crystal panel LCD unit opening and closing to control light off road, red, green and blue color light in the prism of the last cluster, projected by the projection lens to form color images on the screen.

DLP projection system a bit complicated, the core is the digital micromirror device DMD chip. Its principle is by controlling the micro-lens is tilted to the light of different angles, to control the light reflected to the lens, thus creating an image. DMD DLP chip, according to the number used is divided into two single-chip and three chips. General single-chip DLP projector is, that there is only one DMD imaging components; three-chip DLP projection technology can achieve very high or very high image quality, brightness, but the cost is high, so now most of the DLP projector market machine is a single chip.

LCOS is a new type of reflective LCD projection technology, which uses liquid crystal coated silicon CMOS integrated circuit chip as a reflective LCD substrates, polished with advanced technology as a post-plated aluminum mirror, the formation of CMOS substrate, then the CMOS substrate and contains a transparent electrode on glass substrate with lamination, then into the liquid crystal packages. Mainly by the halogen light source, xenon lights, LED light, set light to the panel, the panel of the image projected by the reflection or transmission image, and then after splitting, combined optical system, and finally the image projected onto the screen imaging.

[LCOS projection technology compared with LCD projection technology] Exquisite high-resolution images

LCOS chip has a higher aperture ratio and a more fine pixel pitch. This makes the screen LCOS smaller the distance between pixels, the picture looks more distinctive uniform. LCD projection technology has obvious grid phenomenon. This projection screen features large in the projection is particularly evident when.

Optical efficiency LCOS chip, high aperture ratio will in itself enhance the efficiency of the optical projector. High aperture ratio means more chip area involved in light reflection. Also, because the special structure of LCD projection liquid crystal optical chip demand, further weakening the LCD's optical efficiency. Therefore, the same bulb with LCOS and LCD projectors in the effect of higher brightness than can be achieved. This is not only to improve the picture quality, but also can save more energy.

Outstanding black By transmission technology, LCD projection technology projection, display color, whether or not requirements are beyond the control of liquid crystal chip zero transmittance. This makes the perfect presentation of LCD projection technology can not be a black screen effect. However, LCOS projection technology was able to significantly restore the projector to improve the performance of the black. Excellent black and gray effect to LCOS projector brings more rich and delicate grayscale expression. Make more real image details, natural, with three-dimensional.

For showing motion pictures LCOS projection technology in motion picture display has some advantages. As a result of special reflective optics, thinner liquid crystal layer can be done, it can reduce the viscosity of liquid crystal molecules role in making sports screen respond more quickly, clearly, to develop a more fluid picture. That is why single-chip DLP LCOS can use a similar image as one of the reasons the timing.

Integrated in terms of LCOS high resolution, color, gray scale excellent, deep black, bright screen, grid is much less and more energy-saving features. By contrast LCD projection screen grid, black impure and utilization of the bulb is less obvious expenses.

[LCOS projection technology and DLP projection technology more]

And today most of LCOS projector on the market are compared with three-chip structure, DLP projector camp slightly complicated products.

Viewsonic PJD5352 DLP Projector- BuyTV Spotlight

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ViewSonic PJD6531w WXGA Wide DLP Projector -120Hz/3D Ready, 3000 Lumens, 3200:1 DCR, HDMI List Price: $1,129.00 Sale Price: Too low to display   Eligible for free shipping! Availability: Usually ships in 24 hours See Reviews For This Product Description The PJD6531w is an advanced 120Hz/3D ready DLP projector which includes BrilliantColor technology to produce more vibrant colors, while the high brightness and contrast ratios make this projector shine in virtually any lighting situation. The PJD6531w delivers 3000 lumens with a 1280 x 800 WXGA native wide resolution. This projector is designed for table-top use or can be mounted on the ceiling for classrooms and meeting rooms. The top load lamp and filter-less design provides for easy maintenance and low total cost of ownership. RJ-45 connectivity enables remote network control, while the extensive input options and integrated 10W speakers provide for amazing multimedia performance and effective presentations or classroom lessons. Features Bright in virtually any setting with 3,000 lumens - With 3200 - 1 contrast ratio, it's the bright choice for mobile presenters The sophisticated 5-segment color (RGBWY) wheel provides greater color accuracy than standard DLP projectors with a 4-segment color wheel Closed captioning - Integrated closed captioning decoder for the hearing impaired. Use the Eco mode to achieve lower power consumption, reduce overall noise and extend lamp life Network control through RJ-45 - Schedule, manage and monitor the projector remotely and receive e-mail alerts of projector lamp status

ViewSonic PJD5352 XGA Short Throw DLP Projector -120Hz/3D Ready, 2600 Lumens, 2600:1 DCR, 1.2x Optical Zoom List Price: $1,099.00 Sale Price: $599.99 You save: $499.01 (45%)   Eligible for free shipping! Availability: Usually ships in 3-4 business days See Reviews For This Product Description The PJD5352 is an advanced short throw DLP projector which includes BrilliantColor technology to produce more vibrant colors, while the high brightness and contrast ratios make this projector shine in virtually any lighting situation. The PJD5352 delivers 2600 lumens with a 1024x 768 XGA native resolution. This projector is designed for table-top use or can be mounted on the wall with optional WMK-027 short throw mount. The filter-less design provides for easy maintenance and low total cost of ownership. Features 2600 Lumens, 2600:1 DCR Short Throw (0.9?1.08: 1) Project 50? image from 3? 120Hz/3D TI DLP Link Ready Optical focus and 1.2X zoom Multiple connectivity options Keystone adjustment +/?40% Integrated 1W Amp / 5W Speaker Lamp life: 4000/6000 hrs (N/Eco) Eco Mode for energy savings, longer lamp life and reduced audible noise

Vantage Point CGUPM12-S Universal Front Projector Mount - Silver List Price: $119.99 Sale Price: $85.34 You save: $34.65 (29%)   Eligible for free shipping! Availability: Usually ships in 24 hours See Reviews For This Product Description The Universal Projector Mount sets itself apart from other industrial looking ceiling mounts. Styled from steel and die-cast aluminum, the mounts boast a clean and simple finished appearance when viewing it on the ceiling. The CGUPM06 extends approximately 12 inches from the ceiling, rotates, tilts and swivels in virtually any direction, and is capable of functioning on flat or vaulted ceilings. The Universal Projector Mount is compatible with most of today�s LCD and DLP home theater projectors and is fully adjustable to fit a wide range of projector hole patterns. Features Universal LCD/DLP projector mount with 12" drop Tilt and yaw (roll) adjustment 360-degree rotation Individual height adjustment for each mounting arm

Vantage Point CGUPM12-B Universal Front Projector Mount - Black List Price: $129.95 Sale Price: $86.40 You save: $43.55 (34%)   Eligible for free shipping! Availability: Usually ships in 24 hours See Reviews For This Product Description The Universal Projector Mount sets itself apart from other industrial looking ceiling mounts. Styled from steel and die-cast aluminum, the mounts boast a clean and simple finished appearance when viewing it on the ceiling. The CGUPM06 extends approximately 12 inches from the ceiling, rotates, tilts and swivels in virtually any direction, and is capable of functioning on flat or vaulted ceilings. The Universal Projector Mount is compatible with most of today�s LCD and DLP home theater projectors and is fully adjustable to fit a wide range of projector hole patterns. Features Universal LCD/DLP projector mount with 12" drop Tilt and yaw (roll) adjustment 360-degree rotation Individual height adjustment for each mounting arm

Vivitek H1080FD 1080p Home Theater Projector (White) List Price: $799.99 Sale Price: Too low to display   Eligible for free shipping! Availability: Usually ships in 24 hours See Reviews For This Product Description The Vivitek H1080FD is a high performance digital projector that integrates into any home theater based installation. With native 1080p resolution, the H1080FD delivers brilliant and amazing digital images with full color saturation. Designed for high impact picture quality the Vivitek H1080FD is unmatched and unrivaled in function and performance. Features Bright 1800 lumens and BrilliantColor technology for rich, stunning images 5000:1 contrast ratio for vivid picture quality 3,000 hours of lamp life; whisper-quiet at 26dB Built-in 5-watt mono speaker 1-year warranty on parts; 90 days on lamp

Acer® H5360 3D-DLP Projector List Price: $699.00 Sale Price: $609.99 You save: $89.01 (13%)   Eligible for free shipping! Availability: Usually ships in 24 hours See Reviews For This Product Description The Acer® H5360 3D-DLP Home Theater Projector showcases highly detailed text and images with a 2500 ANSI Lumens brightness, 3200:1 contrast ratio, and native 720p (1280 x 720) resolution. Color performance is enhanced on any surface, even colored walls, thanks to Acer® Color-Boost II+ technology. In addition, ColorSafe helps to prevent color decay resulting from extended use of the projector, while Acer® EcoProjection technology reduces standby power consumption by up to 50%. Features Projection System: DLP 3D ready (3D content, 3D glasses and appropriately equipped PC also required to display 3D images) Projection Mode: Front, rear, front ceiling, rear ceiling Video Compatability: NTSC (3.58/4.43) PAL SECAM HDTV EDTV SDTV Resolution Native: 720p Maximum: UXGA Maximum Wide: 1080p Contrast/Aspect Ratio: Contrast: 3200:1 Aspect: 4:3 (native), 16:9 Brightness - ANSI Lumens: Standard Mode: 2500. Economy Mode: 2000 Projection Lens: F = 2.5 ~ 2.67, f = 21.86mm ~ 24mm 1:1.1 Included Accessories: Remote control Lens cap Carrying case AC power cord CD-ROM user¿s guide Quick-start card Security card

Optoma DS216 2600 Lumen SVGA DLP Multimedia Projector List Price: $379.00 Sale Price: $329.99 You save: $49.01 (13%)   Eligible for free shipping! Availability: Usually ships in 3-4 business days See Reviews For This Product Description Small, sleek and stylish, the Optoma DS216 is perfect for business and classroom applications. Featuring 2600 ANSI lumens and a high contrast ratio of 2500:1, the DS216 will capture your audience’s imagination. With lamp life of up to 4000 hours, filter-free design and low standby power consumption, the DS216 will provide lower cost of ownership while delivering a perfect, colorful, crisp image. Features Native SVGA DLP by Texas Instruments with BrilliantColor Technology Bright images and high contrast ratio - 2600 ANSI lumens and 2500:1; contrast ratio (full on/full off) Rapid on/off feature - won’t keep your audience waiting Filter-free design means low cost of ownership Supports high-definition resolution of up to 1080p

Dell M109s On-the-go DLP Projector - 50 ANSI lumens - SVGA (858 x 600) - Aspect Ratio: 4:3 - Contrast Ratio 800:1 - Pocket-sized List Price: $399.00 Sale Price: $319.00 You save: $80.00 (20%)   Eligible for free shipping! Availability: Usually ships in 24 hours See Reviews For This Product Description The Dell M109S Projector introduces the new "ultra-mobile" category of DLP based front projectors. It utilizes an R/G/B LED module for its light source as opposed to the standard lamp other Dell projectors use. The M109S is low in weight and has a small footprint which enables convenient information sharing in small group environments on a projected image larger than notebook displays. Features Ultra Portable At 3.64" x 4.12" x 1.46" and a mere 0.80 pounds, you'll hardly notice it's in your laptop case. DLP and Brilliant Color technology Millions of precision mirrors use light more efficiently to generate lifelike images and vibrant colors. 858 x 600 SVGA Native Resolution Displays up to 480,000 pixels with a 4:3 aspect ratio, right from the palm of your hand. 800:1 typical (Full On/Full Off) Contrast Ratio Projects clear images and easy-to-read text. Anytime, anywhere. Long Projection Life - The M109S utilizes mercury-free LED light source of usage life up to 10,000 hours Helping to save money and reduce maintenance to a minimum as no replacement of LED module light source is required.