BACKLIGHT SOURCE FOR LIQUID CRYSTAL DISPLAY DEVICE

PROBLEM TO BE SOLVED: To provide solve a problem that a conventional light source of a light-emitting diode for a backlight for a liquid crystal display device requires a certain or larger size in order to mix colors and such a requirement prevents the liquid crystal display device from being miniat...

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Bibliographische Detailangaben
Hauptverfasser:	KATANO SHINICHI, AJIKI SHUICHI
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS BLASTING 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 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 LIGHTING MECHANICAL ENGINEERING NON-LINEAR OPTICS NON-PORTABLE LIGHTING DEVICES OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS SEMICONDUCTOR DEVICES 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 solve a problem that a conventional light source of a light-emitting diode for a backlight for a liquid crystal display device requires a certain or larger size in order to mix colors and such a requirement prevents the liquid crystal display device from being miniaturized or thinned. SOLUTION: A backlight source respectively constitutes the light of blue, green, and red by a blue light source using a blue light emitting diode, a green light source formed by combining a blue light emitting diode and a green phosphor, and a red light source formed by combining a blue light emitting diode and a red phosphor, wherein the light sources are covered with a diffusion layer 4 to be integrated in one package. COPYRIGHT: (C)2009,JPO&INPIT