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last 30 patents
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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 IMPROVED LIGHT EXTRACTION EFFICIENCY
Publication number
20150041755
Publication date
Feb 12, 2015
QINGDAO JASON ELECTRIC CO., LTD.
JIANPING ZHANG
H01 - BASIC ELECTRIC ELEMENTS