LIQUID CRYSTAL DISPLAY DEVICE

PROBLEM TO BE SOLVED: To reduce the influence of heat radiation from a long size light source. SOLUTION: On one main surface of a light guide plate 4 which has a fluorescent lamp 5 arranged on an end surface, a dotted print pattern and a light reflecting plate 7 are provided and on the other main su...

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Bibliographic Details
Main Author FUKUOKA HIROMI
Format Patent
LanguageEnglish
Published 07.03.1997
Edition6
Subjects
DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING
FREQUENCY-CHANGING
NON-LINEAR OPTICS
OPTICAL ANALOGUE/DIGITAL CONVERTERS
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICAL LOGIC ELEMENTS
OPTICS
PHYSICS
TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Summary:PROBLEM TO BE SOLVED: To reduce the influence of heat radiation from a long size light source. SOLUTION: On one main surface of a light guide plate 4 which has a fluorescent lamp 5 arranged on an end surface, a dotted print pattern and a light reflecting plate 7 are provided and on the other main surface side, a liquid crystal panel 3 is arranged across a light diffusion plate 6; and a reflecting plate 11 is arranged along the length of the fluorescent lamp 5 and given slits (a) and (b), and irradiation light from the fluorescent lamp 5 is entered into the light guide plate 4 while reflected by the reflecting plate 11, projecting from the other main surface, and projected on the effective display area of the liquid crystal panel 3.
Bibliography:Application Number: JP19950220588