Title:
LCDバックライト用白色光放出光源
Document Type and Number:
Japanese Patent JP2005513570
Kind Code:
A
Abstract:
A white light is provided for backlighting a liquid crystal display by directing red green and blue light into the first end of a color mixing optical fiber, mixing the red green and blue light in the color mixing fiber to produce white light, and conducting the white light out of the second end of the color mixing fiber to the liquid crystal display. The color mixing optical fiber and sources for generating the red green and blue light may be located remotely from the liquid crystal display, and the white light produced in the color mixing optical fiber coupled to the liquid crystal display by coupling optical fibers, thus simplifying and facilitating construction and operation of the backlighting system, and allowing for more convenient removal of heat remotely from the liquid crystal display.
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Inventors:
Subramanian Mutu
Frank Ye P-Surmans
James M Gaines
Frank Ye P-Surmans
James M Gaines
Application Number:
JP2003556835A
Publication Date:
May 12, 2005
Filing Date:
December 12, 2002
Export Citation:
Assignee:
Koninklijke Philips Electronics N.V.
International Classes:
G02B6/00; F21S2/00; F21V8/00; G02F1/13357; F21Y101/02; (IPC1-7): G02F1/13357; F21S2/00; F21V8/00; G02B6/00
Attorney, Agent or Firm:
Kosaku Sugimura
Kazuaki Takami
Hiroshi Tokunaga
Shiro Fujitani
Kiyoshi Kuruma
Kazuyuki Tomita
Kazuaki Takami
Hiroshi Tokunaga
Shiro Fujitani
Kiyoshi Kuruma
Kazuyuki Tomita