BACKLIGHTING DEVICE, DISPLAY DEVICE AND TV RECEIVER Russian patent published in 2014 - IPC F21S2/00 F21V9/00 F21V23/00 G02F1/13357 H04N5/66 F21Y101/02 

Abstract RU 2507441 C2

FIELD: electricity.

SUBSTANCE: backlighting device (20) comprises a substrate (22), where multiple point sources of light are placed in the form of light diodes (21), and slots (23), which are also arranged on the substrate. Multiple point sources of light include the first point source of light (21), which is placed near the slot (23), and the second point source of light (21), which is placed in a position distant from the slot (23) compared to the first point source of light (21). The light beam in the surroundings of the slots is higher than the light beam in the area different from the surroundings of the slots.

EFFECT: reduced heterogeneity of brightness of a display panel without increase in number of process operations.

15 cl, 12 dwg

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RU 2 507 441 C2

Authors

Mouri Khirokazu

Dates

2014-02-20Published

2010-04-23Filed