Backlight module

A backlight module includes a backplate, a plurality of point light sources, a plurality of protruding pieces and a reflective sheet. The point light sources are disposed on the backplate. The protruding pieces protrude from the backplate, in which the protruding pieces are located between at least...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WU, YUNGI, SHEN, WEN-TAI, CHIANG, CHEN-YU, SU, CHIHIEH
Format:	Patent
Sprache:	chi ; 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 ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	A backlight module includes a backplate, a plurality of point light sources, a plurality of protruding pieces and a reflective sheet. The point light sources are disposed on the backplate. The protruding pieces protrude from the backplate, in which the protruding pieces are located between at least two adjacent point light sources. The reflective sheet is disposed on the backplate, and has a plurality of through holes. The point light sources pass through the corresponding through holes. The reflective sheet has a plurality of cutting line groups. The cutting line group includes two intersecting cutting lines, and has an intersection point, in which the intersection point substantially aligns with the corresponding protruding piece. The parts on the reflective sheet adjacent to the cutting line groups are tilted relative to the backplate, and abut the protruding pieces respectively.