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Kim Hee Cheol
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Beijing, CN
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Patents Grants
last 30 patents
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Patent Grant
Light guide plate, having quantum dot layer
Patent number
9,995,868
Issue date
Jun 12, 2018
BOE Technology Group Co., Ltd.
Kim-Hee Cheol
G02 - OPTICS
Information
Patent Grant
Light guide plate, backlight assembly and transparent display
Patent number
9,507,073
Issue date
Nov 29, 2016
BOE Technology Group Co., Ltd.
Kim Hee Cheol
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
LIGHT GUIDE PLATE, BACKLIGHT MODULE, AND DISPLAY DEVICE
Publication number
20150378082
Publication date
Dec 31, 2015
BOE TECHNOLOGY GROUP CO., LTD.
Kim-Hee Cheol
G02 - OPTICS
Information
Patent Application
LIGHT GUIDE PLATE, BACKLIGHT ASSEMBLY AND TRANSPARENT DISPLAY
Publication number
20150260899
Publication date
Sep 17, 2015
BOE TECHNOLOGY GROUP CO., LTD.
Kim Hee Cheol
G02 - OPTICS