LIGHT GUIDE MEMBER USED FOR BACK LIGHT SYSTEM

PROBLEM TO BE SOLVED: To provide a light guide member used for a back light system, which refracts the light from every direction at the front of a light guide member effectively. SOLUTION: This invention provides a light guide member used for a back light system. The back light system is composed o...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KO SHIKI, RYU MEITATSU, HAN HAKUSHI, SHA KEIBUN
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 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 OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 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:	PROBLEM TO BE SOLVED: To provide a light guide member used for a back light system, which refracts the light from every direction at the front of a light guide member effectively. SOLUTION: This invention provides a light guide member used for a back light system. The back light system is composed of a light guide member (2), a light source (3), a reflecting mask (4) and a reflecting panel (5). The reflecting mask (4) encloses the light source (3) and reflects the light from the light source (3) to guide it to the light guide member (21). The light guide member (21) has the front (21), the back (22) where plural reflecting cells are arranged and four side faces. Plural reflecting units are arranged in the back (22) of the light guide member and each reflecting unit contains at least one of circular projecting parts (25).