ILLUMINATOR AND LIQUID CRYSTAL DISPLAY USING ILLUMINATOR

Title:

ILLUMINATOR AND LIQUID CRYSTAL DISPLAY USING ILLUMINATOR

Document Type and Number:

WIPO Patent Application WO/2005/111496

Kind Code:

A1

Abstract:

An illuminator for illuminating a liquid crystal panel. A red light separating plate (52R), a green light separating plate (52G), and a blue light separating plate (52B) are alternatingly arranged in line at a pitch w on a substrate (51). Red LEDs (53R) are alternately disposed at the centers between the green and blue light separating plates (52G, 52B) one for each center, green LEDs (53G) are alternately disposed at the centers between the blue and red light separating plates (53B, 52R) one for each center, and blue LEDs (53B) are alternately disposed at the centers between the red and green light separating plates (52R, 52G) one for each center.

Inventors:

KUBOTA SHIGEO (JP)
KAWASHIMA TOSHITAKA (JP)
OSAKO JUNICHI (JP)
OKITA HIROYUKI (JP)

Application Number:

PCT/JP2005/008806

Publication Date:

November 24, 2005

Filing Date:

May 13, 2005

Export Citation:

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Assignee:

SONY CORP (JP)
KUBOTA SHIGEO (JP)
KAWASHIMA TOSHITAKA (JP)
OSAKO JUNICHI (JP)
OKITA HIROYUKI (JP)

International Classes:

F21S2/00; F21S8/04; G02F1/13357; G09F9/00; F21Y101/02; (IPC1-7): F21S2/00; G02F1/3357; G09F9/00

Foreign References:

JPS6310103A	1988-01-16
JPH10221692A	1998-08-21
JPH07191311A	1995-07-28

Other References: