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Home » CE
Everything You Need to Know About TV Technologies
Author: André Gordirro
Type: Tutorials Last Updated: April 10, 2008
Page: 6 of 14
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LCoS Rear-Projection

It’s like a hybrid between LCD and DLP rear-projection technologies. LCoS stands for liquid crystal on silicon and follows the same reflexive concept from DLP; only instead of a tiny mirror-covered chip, it uses a coating of several individual liquid crystals. The light hits the silicon chip and is reflected by each stimulated liquid crystal forming the image. Color is generated through two methods: a spinning colored wheel akin to DLP technology, or a display chip per primary color, with the images being combined optically. Screen resolution reaches Full HD (1080 pixels). Sony’s SXRD (Silicon X-tal Reflective Display) and JVC’s D-ILA (Digital Direct Drive Image Light Amplifier) are proprietary variations of LCoS technology. Heralded as the future of rear-projection, LCoS is being dropped by several companies such as LG and Sony.

Model example: JVC HD70FH96 (70")

Strong points

  • Reaches higher resolution than those of LCD rear-projectors.
  • No “screen-door effect”.
  • No risk of defective pixels.
  • Chip substitution can be expensive.
  • High contrast and color fidelity.

Weak points

  • Expensive.
  • Dropped by major companies.
Pages (14): « 1 2 3 4 5 [6] 7 8 9 10 11 12 13 14 »
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