Backlight module, display device and method for adjusting brightness of backlight module

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United States of America Patent

PATENT NO 10928580
APP PUB NO 20200183078A1
SERIAL NO

16331396

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Abstract

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The present disclosure provides a backlight module, a display device and a method for adjusting brightness of the backlight module. The backlight module includes a light guide plate comprising a light emitting surface and a first surface opposite to the light emitting surface, and a reflective component on a side of the light guide plate away from the light emitting surface, the reflective component having a reflectivity adjustable to adjust a brightness of the backlight module. In this way, the reflective component in the backlight module can be used to dynamically adjust the brightness of the backlight and improve the contrast between different regions of the backlight module, thereby realizing the display effect of the high dynamic range image. Moreover, the backlight module is low in cost, simple in preparation, and suitable for various types of display devices.

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Patent Owner(s)

Patent OwnerAddress
BOE TECHNOLOGY GROUP CO LTD100015 NO 10 JIUXIANQIAO ROAD BEIJING CHAOYANG DISTRICT MUNICIPAL DISTRICT BEIJING CITY 100015
HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO LTD230012 HEFEI NEW DISTRICT TONGLING NORTH ROAD NO 2177 NO HE FEISHI AN HUISHENG 230012

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Liu, Tongmin Beijing, CN 16 20
Wu, Shouzheng Beijing, CN 18 12
Xu, Jun Beijing, CN 1004 7793
Zhang, Qing Beijing, CN 406 3556

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