Invention Grant
- Patent Title: Organic light-emitting diode display with barrier layer
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Application No.: US15168601Application Date: 2016-05-31
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Publication No.: US09799713B2Publication Date: 2017-10-24
- Inventor: Jae Won Choi , Shih Chang Chang , Young Bae Park , ZhiFeng Zhan , Chieh-Wei Chen , Tsung-Ting Tsai , Chin-Wei Lin , Paul S. Drzaic
- Applicant: Apple Inc.
- Applicant Address: US CA Cupertino
- Assignee: Apple Inc.
- Current Assignee: Apple Inc.
- Current Assignee Address: US CA Cupertino
- Agency: Treyz Law Group, P.C.
- Agent Kendall W. Abbasi
- Main IPC: H01L27/32
- IPC: H01L27/32 ; H01L51/52 ; H01L27/12

Abstract:
A display may have an array of pixels formed from organic light-emitting diodes and thin-film transistor circuitry. A planarization layer may be interposed between the thin-film transistor circuitry and the organic light-emitting diodes. To protect the organic light-emitting diodes from photoactive compounds that may be outgassed from the planarization layer, an inorganic barrier layer may be interposed between the planarization layer and the organic light-emitting diodes. The inorganic barrier layer may be formed on top of and/or below a pixel definition layer that defines light-emitting zones for the organic light-emitting diodes. In another suitable arrangement, the inorganic barrier layer may itself define light-emitting zones and may be used in place of a polymer-based pixel definition layer. The inorganic barrier layer may include trenches in which the emissive material of the light-emitting diodes is formed.
Public/Granted literature
- US20170025489A1 Organic Light-Emitting Diode Display with Barrier Layer Public/Granted day:2017-01-26
Information query
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