December 28, 2011

From the Canon projectors LCOS projection technology trends

Lift the photo, what do you think? A moving picture good pictures!

Bring photographic tool, you do what comes to mind? Professional digital SLR camera!

Bring high-quality digital SLR camera, you tell me what comes to mind? Yes, it's professional digital SLR camera Canon EOS series!

Canon, with its leading-edge optical technology has continued to pursue high-quality image of this idea. From the prestigious professional EOS SLR camera, into the practical first Hirohide (Powershot) series, and then to the fashion yikesasi (IXUS) series of small digital cameras, as well as acclaimed civilian imaging products such as digital cameras and projectors. Canon is the persistent idea through to the image of all of its products.
Lift the photo, what do you think? A moving picture good pictures!

Bring photographic tool, you do what comes to mind? Professional digital SLR camera!

Bring high-quality digital SLR camera, you tell me what comes to mind? Yes, it's professional digital SLR camera Canon EOS series!

Canon, with its leading-edge optical technology has continued to pursue high-quality image of this idea. From the prestigious professional EOS SLR camera, into the practical first Hirohide (Powershot) series, and then to the fashion yikesasi (IXUS) series of Nikon EN-EL19 Battery small digital cameras, as well as acclaimed civilian imaging products such as digital cameras and projectors. Canon is the persistent idea through to the image of all of its products.

In a small fashion digital cameras on the market, some manufacturers to make products lighter, thinner, lose quality latent looking lens to be implemented. Canon's IXUS series, a telescopic lens with a horizontal axis to ensure quality, although the body cannot become very thin, but before the fashion and quality, Canon has chosen quality.

Similarly, in the projector on the market, in the face of existing multiple projection technologies on the market, Canon LCOS projection technique selected representing high-quality. Produced a series of high-resolution projector based on LCOS projection technologies. Recently released high resolution SX80 projector is one of the latest products. So why say LCOS projection technologies represent a high-quality it?

Projection technology to develop to this day has become increasingly mature. According to the projection of different core technology, can be divided into the CRT (cathode ray tube) projection, LCD (LCD) projection, LCOS (reflection type liquid crystal) projection and DLP (digital optical processor) projection of four main types. Among them, using transparencies for projection CRT and LCD projection technology, DLP and LCOS projector using reflective projection technology. Currently on the market mainstream projector is a projector using LCD and DLP projection technology.

Occupy the projection market, mainly in the late 20th century is a CRT (cathode ray tube) projection technology, early Projectors almost always using this projection technology. But now it's already been projection LCD, DLP, LCOS, and other new technology to replace.

LCD projection technology is through optical system to strong light through min light mirror formed red, and green, and blue three beam light, respectively transmission had red, and green, and blue three color LCD plate and after simulation/digital signal conversion Hou, through control LCD plate Shang LCD unit of opened, and closed, to control light road of pass broken, red, and green, and blue three shade last in Prism in the brings together, by projection lens projection in screen Shang formed color image.

DLP projection system is somewhat complex, the core of the digital micromirror Device DMD chip. It works by controlling micro-lenses to the tilt angle of the light source, to control the light reflection to the lens, to form the image. Number of DMD chip DLP under use is divided into two and three chips on a single chip. Single chip DLP projector is that only a DMD Imaging parts; three-chip DLP projection technology for very high or very high brightness of image quality, but the cost is very high, so now the vast majority are single-chip DLP projector on the market.

LCOS are new reflective LCD projection technology, it uses liquid crystal-coated Silicon CMOS integrated circuit chip as substrate for reflective LCD, coated aluminium with the advanced technology even as mirrors, forming CMOS substrate andPanasonic Lumix DMC-TZ7 Battery ChargerCMOS substrate with transparent electrodes on the glass substrate lamination, then inject liquid crystal package together. Light sources are primarily light sources such as halogen lamps, xenon lamps light, set light to the Panel, a panel of images by reflection or transmission projected images, through light, optical systems, and finally images projected onto the screen image.

[Comparison of LCD projection technology and LCOS projection technologies]

High resolution and smooth images

LCOS chips have higher open rates and greater pixel spacing.
This makes the LCOS picture pixel distance between a much smaller screen look more distinctive uniform. LCD projection technology with distinct phenomena of grid. This projection technology featured on projection large screens particularly obvious.
High optical efficiency

LCOS chips high aperture itself will upgrade the projector optical efficiency. Gao Kaikou rate means that the chip more area in the light of reflection. At the same time, LCD liquid crystal chip project structure special optical needs, further weakening the LCD optical efficiency. So, the same bulbs compared to LCD and LCOS projection effects to achieve a higher degree of brightness. This not only to improve picture quality, but also to conserve more energy.

Black fine

LCD projection technology with transmissional projection technology, regardless of whether the request display color cannot control the LCD chip reaches zero transmittance. This makes the LCD projection technology is not perfect appear black screen effect. However, LCOS projection technologies can significantly improve restore performance when black projector performance. Good black and gray effect makes the LCOS projectors have brought rich and smooth gray-scale performance. Makes more real picture detail, nature, succinctness.

Suitable for showing motion pictures

LCOS projection technologies in the motion picture shows also have certain advantages. As the use of special reflection optical path, liquid crystal layers can be made thinner, so you can reduce the viscosity of liquid crystal molecular function allows motion picture response faster, clearer, formation fluid motion picture.Nikon MH-65 Battery ChargerThat's why LCOS similar can be used on a single chip DLP sequence image of one of the reasons.

Integrated LCOS with high resolution, vivid colors, gray top, black, deep, bright screen, grid-less and more energy-efficient features. By contrast LCD projection screen grid, pure black and has an obvious lack of spending on the utilization of bulb brightness.

[Comparison of DLP projection technology and LCOS projection technologies]

With most of the LCOS projectors on the market today are made of three chip architecture compared to DLP projectors products a little complex. Single chip DLP products are mainly sold in market timing of imaging products, these products generally low cost. At the same time, a three-chip DLP projector projects in high-end projectors and digital cinema projectors on the market price, hundreds of thousands of dollars at every turn, high-end products that can be regarded as absolute.

LCOS projection technologies compared with single-chip DLP projection technology with a high optical efficiency, more fullness of color, and there is no fracture phenomenon of color, will not allow viewing of Vertigo and other features.

Single-chip DLP technology color wasn't perfect

Single-chip DLP projector is the biggest problem comes from the imperfect color expression. Its problems occurred mainly in the saturation of color, on the gentle and natural realism. Because of the way using time series single-chip DLP Projection display color: that is a light through continuous rotation color wheel cycles through the three colors, display different colors due to very short interval of time, the human eye is not an accurate resolution, you can also watch the feeling makes the projectors shows a fixed color.

In the production of early, mostly using sequential display, Rainbow Stripes appear on the screen, a large number of consumers feeling vertigo when watching. As projection technology advances, Vertigo and Rainbow phenomenon has been given a great boost, while Texas instruments also developed a technique called "the ultimate color" new projection technology to enhance the color expression of single chip DLP products. However due to the structure of single-chip image limit, currently single-chip DLP color could not compete and LCOS projection technologies.

Three-chip DLP technology is expensive, difficult resolution

Three-chip DLP projection technology is the highest of DLP projection technology, could well avoid dizziness, Rainbow appears on the single-chip products, lack of color and other defects. This three-chip DLP Projection products extremely costly, are widely used in digital cinema projection system. The lowest prices at hundreds of thousands of dollars, higher at millions of dollars orJVC BN-VF815 Charger more. Put aside three-chip DLP Projection products in price disadvantages aside, LOCS projection technology in the resolution advantage is unparalleled DLP projection technology. Now, LOCS chips has been the resolution of 2K, 3K, 4K, 8K and other products of different resolutions. And DLP products of the highest-resolution up to 2 k just. Due to limited micro-electro-mechanical structure of DLP projection technology to enhance the resolution is very difficult, it can be said that this is DLP projection technology and LCOS projection technologies compared to Achilles.

Comparison of LCOS projection technologies, slightly dominant three-chip DLP product in terms of contrast. Professional three-chip DLP digital cinema projector contrast targets in a variety of projection technology has been in possession of a certain advantage. However the two gaps are being narrowed. LCOS models at the household level the contrast performance is more than a majority of single-chip DLP projectors, and shows great potential for development.

After comparing with LCD and DLP projection technology is not difficult to see, LCOS projection technology with DLP projection technology and almost all the benefits of LCD projection technology, and it is good to make up for the shortcomings of the two. LCOS projection technologies high definition has more than a LCD projection technology and single-chip DLP projection technology, and on the resolution have been able to compete with three-chip DLP projection technology.

LCOS technology advantages attached to the high definition image quality Canon chose technology as its high definition projectors LCOS projection display projection technology, and has developed its proprietary AISYS optical lighting technology to actively promoting the development of HDTV LCOS projector, and launched five high resolution projector using LCOS technology products. We believe that with the development of LCOS technology, projection image quality continues to improve, we will appreciate us more moved by the images, Canon, there are also ongoing efforts in order to achieve this goal!

Posted by: mmmmlyy at 01:11 AM | No Comments | Add Comment
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