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Qingdao, CN
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last 30 patents
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Patent Grant
Light-emitting device with heavily doped active-region and method f...
Patent number
9,318,650
Issue date
Apr 19, 2016
QINGDAO JASON ELECTRIC CO., LTD.
Jianping Zhang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light-emitting device with improved light extraction efficiency
Patent number
9,048,387
Issue date
Jun 2, 2015
QINGDAO JASON ELECTRIC CO., LTD.
Jianping Zhang
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
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Patent Application
LIGHT-EMITTING DEVICE WITH HEAVILY DOPED ACTIVE-REGION AND METHOD F...
Publication number
20150263224
Publication date
Sep 17, 2015
QINGDAO JASON ELECTRIC CO., LTD.
JIANPING ZHANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LIGHT-EMITTING DEVICE WITH IMPROVED LIGHT EXTRACTION EFFICIENCY
Publication number
20150041755
Publication date
Feb 12, 2015
QINGDAO JASON ELECTRIC CO., LTD.
JIANPING ZHANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR LIGHT-EMITTING DEVICE
Publication number
20140332754
Publication date
Nov 13, 2014
QINGDAO JASON ELECTRIC CO., LTD.
JIANPING ZHANG
H01 - BASIC ELECTRIC ELEMENTS