LIQUID CRYSTAL DISPLAY DEVICE

PURPOSE:To provide the liquid crystal display device which can simultaneously improve the contrast and brightness on the screen of a liquid crystal display cell without using a diaphragm of Schlieren system. CONSTITUTION:This liquid crystal display device is constituted to include the liquid crystal...

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Bibliographic Details
Main Authors ONISHI NORIAKI, YAMADA NOBUAKI, KANZAKI SHUICHI, HIRAI TOSHIYUKI, KOTANI MASANORI
Format Patent
LanguageEnglish
Published 08.04.1994
Edition5
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 LOGIC ELEMENTS
OPTICS
PHYSICS
TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Summary:PURPOSE:To provide the liquid crystal display device which can simultaneously improve the contrast and brightness on the screen of a liquid crystal display cell without using a diaphragm of Schlieren system. CONSTITUTION:This liquid crystal display device is constituted to include the liquid crystal cell 1 having a high polymer dispersion type liquid crystal display element which is formed by dispersing liquid crystals into the high polymer sealed between electrodes and is electrically controlled in a scattering state and a transparent state and a light control plate 3 which is mounted to the liquid crystal cell 1 and allows the transmission of light in such a manner that the transmission intensity of light in the case of 30 deg. incident angle of light attains <=80% transmission intensity of the light in the case of 0 deg. incident angle.
Bibliography:Application Number: JP19920241871