Toppan projection technology: high definition, large vertical viewing angles, thin – rear projection, technology, television – HC Network Appliance Industry
rear projection TV has developed three new screen technology, namely (1) support 1920 × 1080 pixels of pure digital high-definition screen technology; (2) the weakness of the expansion for the vertical projection angle of the screen technology; (3) 50-inch thickness to achieve the ultra-thin rear projection is only 20cm screen technology. The company will market the new technology gradually, while the screen is also planned according to the requirements of the user companies will combine three technologies to achieve product of the screen.
<BR> (1) support for pure digital high-definition screen technology will be convex mirror lens distance from the original 98 m down to 64 m, This would effectively prevent the left and right MD in 42-inch rear projection often appears corrugated. And can support 1080p, pure digital high-definition, and so far there's all kinds of high-definition standard. The role of convex mirror has two: in the spread of the incident light along the horizontal direction at the same time, the light can be concentrated to the opening position of the Department of the screen shading. The company has begun to provide some samples of this screen.
<BR> (2) expand the vertical angle of the screen technology developed ways and cross mirror lens mode. Micromirror approach is to suppress a small mirror to the screen in all directions to expand the perspective of the vertical angle can be extended by 2 times. The company's exposure through a special technology, has established the formation of high-precision large area mirror of mass production is scheduled to launch in 2006. Cross lens approach is to expand the level of the same position, vertical directions, forming one angle of the lens, the perspective of vertical expansion of about 1.5 times. Dependent diffusion plate to expand the original function of angle lens part of the now largely accomplished. Since the exposure does not require special technology, it can be compared with the mirror mode low-cost production. In addition, because the expansion is in the same position angle lens forming a unified, compared with its competitors also have cost advantages. The company scheduled to launch in 2005.
<BR> (3) support the thin screen technology is by having by type (reflection type) Fresnel lens support smaller light incident angle to achieve. The role of Fresnel lens is on the back projection of light parallel to the light. The company has begun to provide support for 50-inch sample, scheduled to launch in the summer of 2005. Spring 2006 will also support future 70-inch. Will also further develop the total reflection type Fresnel lens, the goal is 50-inch rear projection of the thickness of the MD down to 20cm less.
<BR> In addition the company also announced that the U.S. base of operations Toppan Optical Products, Inc. (TOP) has completed the construction of the second plant. The second plant is the first factory covers an area 3 times, part of the building fully completed at the end of 2004. The company will market to gradually increase production capacity to meet strong demand after 2005. The company forecasts the market size of MD projection to 2008 would be more than seven million units.
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