US Patent 11289676 Display device having a closed circular groove planarization layer
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Patent Number
112896760
Date of Patent
March 29, 2022
0Patent Application Number
163421960
Date Filed
April 28, 2018
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Patent Number
112896760
Date of Patent
March 29, 2022
0Patent Application Number
163421960
Date Filed
April 28, 2018
0Official Website
Patent Primary Examiner
CPC Code
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US Patent 11289676 Display device having a closed circular groove planarization layer
Article
A display device with a good overall encapsulation effect, includes a light-emitting display layer, a planarization layer and an encapsulation layer which are sequentially laminated. The planarization layer is provided with at least one closed circular groove, and a projection of a closed circle formed by the groove on a plane on which the light-emitting display layer is located is completely placed outside the light-emitting display layer and surrounds the light-emitting display layer.
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Is a
Patent jurisdiction
Patent number
11289676
Date of patent
March 29, 2022
Patent application number
16342196
Date Filed
April 28, 2018
Patent primary examiner
CPC Code
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