Back light module group for liquid crystal display

The utility model discloses a back light module group for a liquid crystal display. The back light module group comprises a plastic cement frame, an optical diaphragm, a light guide plate, lamp tube groups and a back plate, wherein the lamp tube groups are arranged at the two sides of the back plate...

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Bibliographische Detailangaben
1. Verfasser:	XU WEIAN
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:	The utility model discloses a back light module group for a liquid crystal display. The back light module group comprises a plastic cement frame, an optical diaphragm, a light guide plate, lamp tube groups and a back plate, wherein the lamp tube groups are arranged at the two sides of the back plate, the light guide plate is arranged under the back plate and the lamp tube groups, the lamp tube groups and the back plate are parallelly arranged at the part of the back light module group near the outside, the side surface of the back plate is provided with a convex block, and a groove matched with the convex block is formed in the plastic cement frame. The convex block is arranged at the side surface of the back plate, the groove matched with the convex block is formed in the plastic cement frame, so the connection between the back plate and the plastic cement frame is more reliable, the lamp tube groups are arranged at the outermost part of the back light module group, the lamp tube groups can be directly dismo