LIQUID CRYSTAL DISPLAY

PROBLEM TO BE SOLVED: To provide a liquid crystal display which can exactly adjust changes in characteristics and chromaticity in spite of a simple configuration. SOLUTION: In the liquid crystal display having a liquid crystal display panel and a backlight, the light source of the backlight is a lig...

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1. Verfasser:	KAMEI TATSUO
Format:	Patent
Sprache:	eng
Schlagworte:	ADVERTISING ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION BLASTING CRYPTOGRAPHY 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 DISPLAY DISPLAYING EDUCATION FREQUENCY-CHANGING HEATING INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED LABELS OR NAME-PLATES LIGHTING MECHANICAL ENGINEERING NON-LINEAR OPTICS NON-PORTABLE LIGHTING DEVICES OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS SEALS SIGNS SYSTEMS THEREOF TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a liquid crystal display which can exactly adjust changes in characteristics and chromaticity in spite of a simple configuration. SOLUTION: In the liquid crystal display having a liquid crystal display panel and a backlight, the light source of the backlight is a light emitting diode, and pixels for detection having the same configuration as the respective pixels are provided in regions other than a liquid crystal display part. Contrast is adjusted by raising or lowering light intensity of the light emitting diode according to a signal from a photodetector for detecting the light from the backlight through the pixels for detection. COPYRIGHT: (C)2011,JPO&INPIT