Illuminator, liquid crystal display comprising it and lamp socket

To provide a lighting system that resolves the problems presented by dark areas, so called shading at the corner, and a liquid crystal display device and a lamp socket therefor. According to the present invention, a lighting system comprises: a light guide plate 28, having a plane 46 of incidence in...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	AKIKO NISHIKAI, AKIHIRO HORIBE
Format:	Patent
Sprache:	eng
Schlagworte:	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 FREQUENCY-CHANGING FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF HEATING LIGHTING MECHANICAL ENGINEERING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF WEAPONS
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Beschreibung
Zusammenfassung:	To provide a lighting system that resolves the problems presented by dark areas, so called shading at the corner, and a liquid crystal display device and a lamp socket therefor. According to the present invention, a lighting system comprises: a light guide plate 28, having a plane 46 of incidence into which light enters and a plane 48 of emission from which the light is emitted, a light source 30, having a luminous portion and a non-luminous portion, that is located adjacent to the light guide plate 28 so that the light guide plate 28 is irradiated by light, a lamp socket 34, for holding at least one end of the light source 30, and a reflector 32, which is extended along the light source 30 for reflecting the light produced by the light source 30, and wherein the lamp socket 34 exhibits a transmittance of 20 to 90% in wavelengths of from 300 to 900 nm, and the light is scattered through the lamp socket. The present invention also relates to a display device using the above described side light device.