Submicrometer grating light bar for a color-separation backlight

A light bar patterned using a submicrometer grating was designed to replace conventional dye color filters for color liquid crystal displays. The light bar generates color rays by transmitting them from side-lit color light-emitting diodes through the submicrometer grating. These angular color rays...

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Bibliographic Details
Published in:Applied optics (2004) 2013-05, Vol.52 (15), p.3617-3623
Main Authors: Liu, Chun-Wei, Lee, Chi-Hung, Yang, Tzu-Chun, Ting, Chia-Jen, Lin, Tsung-Hsin, Lin, Shih-Chieh
Format: Article
Language:English
Subjects:
Angular position
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Summary:A light bar patterned using a submicrometer grating was designed to replace conventional dye color filters for color liquid crystal displays. The light bar generates color rays by transmitting them from side-lit color light-emitting diodes through the submicrometer grating. These angular color rays are then redirected by a V-grooved light guide, and then converged by a lens array and mapped to corresponding subpixel positions to efficiently display color images. The results show that 106% of the National Television System Committee (NTSC) color space in a blue-green-red-green (B-G-R-G) repeating pattern display pixel layout can be achieved.
ISSN:1559-128X
2155-3165
DOI:10.1364/AO.52.003617