SMALL-ANGLED, PREDETERMINED-POSITIONED AND PREDETERMINED-ORIENTATED LIGHT EMITTING DEVICE OF BACKLIGHT MODULE OF LIQUID CRYSTAL DISPLAY

A small-angled, predetermined-positioned and predetermined-orientated light emitting device of a backlight module of a liquid crystal display comprises: a plurality of lower prisms; and each lower prism having an emitting face; a light guiding plate (LGP) being integrated with the plurality of lower...

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Bibliographische Detailangaben
Hauptverfasser:	LIU YU-PING, CHUNG CHAO-FANG, KAZUHIRO MIYASHITA
Format:	Patent
Sprache:	eng
Schlagworte:	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 NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	A small-angled, predetermined-positioned and predetermined-orientated light emitting device of a backlight module of a liquid crystal display comprises: a plurality of lower prisms; and each lower prism having an emitting face; a light guiding plate (LGP) being integrated with the plurality of lower prisms as an integral unit; a plurality of upper prisms; each upper prism having an entering face and an total reflecting face, an upper prism plate being integrated with a plurality of upper prisms as an integral unit. Emitting light beams nonuniformly distributes from predetermined positions, and each emitted light beam is limited to a small angle range.