Invention Grant
- Patent Title: Optical modulating device, back light module, display apparatus, and fabricating method thereof
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Application No.: US16080592Application Date: 2018-03-20
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Publication No.: US11257995B2Publication Date: 2022-02-22
- Inventor: Yonglian Qi , Lianjie Qu , Hebin Zhao , Bingqiang Gui , Xianxue Yang , Shuai Liu , Guangdong Shi
- Applicant: BOE Technology Group Co., Ltd. , Beijing BOE Display Technology Co., Ltd.
- Applicant Address: CN Beijing; CN Beijing
- Assignee: BOE Technology Group Co., Ltd.,Beijing BOE Display Technology Co., Ltd.
- Current Assignee: BOE Technology Group Co., Ltd.,Beijing BOE Display Technology Co., Ltd.
- Current Assignee Address: CN Beijing; CN Beijing
- Agency: Intellectual Valley Law, P.C.
- Priority: CN201710840999.4 20170918
- International Application: PCT/CN2018/079593 WO 20180320
- International Announcement: WO2019/052140 WO 20190321
- Main IPC: H01L33/60
- IPC: H01L33/60 ; F21V8/00 ; G02F1/13357
Abstract:
The present application provides an optical modulating device having a light transmissive region and a light blocking region. The optical modulating device includes a base substrate; a plurality of protrusions on the base substrate in the light transmissive region and configured to allow light emitting out of a side of the optical modulating device; and a reflective layer on the base substrate in the light blocking region and configured to block light from emitting out of the side of the optical modulating device.
Public/Granted literature
- US20200052170A1 OPTICAL MODULATING DEVICE, BACK LIGHT MODULE, DISPLAY APPARATUS, AND FABRICATING METHOD THEREOF Public/Granted day:2020-02-13
Information query
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