Backlight module

A backlight module comprises a housing, a light guide plate and a light source, wherein the housing is provided with two first positioning columns and at least one second positioning column; the two first positioning columns are located on a first axis, and the second positioning column is located o...

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Bibliographische Detailangaben
Hauptverfasser:	GUO DAREN, ZENG SHENGLONG
Format:	Patent
Sprache:	chi ; 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 NON-PORTABLE LIGHTING DEVICES OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR SYSTEMS THEREOF TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS WEAPONS
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Beschreibung
Zusammenfassung:	A backlight module comprises a housing, a light guide plate and a light source, wherein the housing is provided with two first positioning columns and at least one second positioning column; the two first positioning columns are located on a first axis, and the second positioning column is located on a second axis; the light guide plate is provided with at least one incidence surface, two first positioning holes and at least one second positioning hole; the two first positioning columns extend into the two first positioning holes respectively, the second positioning column extends into the second positioning hole, the width of each first positioning hole along the second axis is equal to that of the corresponding first positioning column along the second axis, the width of each first positioning hole along the first axis is greater than that of the corresponding first positioning column along the first axis, the width of the second positioning hole along the first axis is equal to that of the second positioni