PLANAR LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY USING THE SAME

PROBLEM TO BE SOLVED: To provide a planar light source device and a liquid crystal display with controlled color and brightness unevenness etc. SOLUTION: The planar light source device includes a plurality of LEDs 1 disposed in a column. Of the plurality of LEDs 1, each of the LEDs 1 arranged in bot...

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Bibliographische Detailangaben
1. Verfasser:	IJIMA YUKIO
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS 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 ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS SEMICONDUCTOR DEVICES TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a planar light source device and a liquid crystal display with controlled color and brightness unevenness etc. SOLUTION: The planar light source device includes a plurality of LEDs 1 disposed in a column. Of the plurality of LEDs 1, each of the LEDs 1 arranged in both ends in the direction of disposition is of lower brightness than the remaining LEDs 1. In addition, each of the plurality of LEDs 1 is subject to stabilized current control. In each of LEDs 1 in both the ends, is flown a current differing from the currents in remaining LEDs 1. COPYRIGHT: (C)2010,JPO&INPIT