Presentation 1999/3/19
Image Smoothing of liquid crystal display by a high-efficiency grating
Che-Wei Chang, Fu-Jen Ko, Han-Ping. D. Shieh,
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Abstract(in English) The black matrix of Liquid Crystal Displays (LCDs) degrades image quality of projection system and Head Mount Displays (HMDS) by appearing as dark boundaries around each pixel. Thereforc, an image smoothing technique is required to suppress these boundaries. With proposed image smoothing grating, not only the horizontal but also vertical parts of black matrix fade away into the first order diffraction beams. Moreover, the contrast of the smoothed image is close to the original value, because the second order beams can be designed to be negligible.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) LCD / image smoothing / grating / pixel / black matrix / open ratio
Paper # EID98-263
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Committee EID
Conference Date 1999/3/19(1days)
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Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Image Smoothing of liquid crystal display by a high-efficiency grating
Sub Title (in English)
Keyword(1) LCD
Keyword(2) image smoothing
Keyword(3) grating
Keyword(4) pixel
Keyword(5) black matrix
Keyword(6) open ratio
1st Author's Name Che-Wei Chang
1st Author's Affiliation Institute of Electro-Optical Engineering, National Chiao Tung University()
2nd Author's Name Fu-Jen Ko
2nd Author's Affiliation Institute of Electro-Optical Engineering, National Chiao Tung University
3rd Author's Name Han-Ping. D. Shieh
3rd Author's Affiliation Institute of Electro-Optical Engineering, National Chiao Tung University
Date 1999/3/19
Paper # EID98-263
Volume (vol) vol.98
Number (no) 666
Page pp.pp.-
#Pages 4
Date of Issue