Invention Grant
- Patent Title: Organic light emitting diode display device
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Application No.: US16687371Application Date: 2019-11-18
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Publication No.: US10971694B2Publication Date: 2021-04-06
- Inventor: Ki-Wook Song , Jung-Soo Park , Min Yun , Yong-Hwan Kim , Tae-Woo Jeon
- Applicant: LG Display Co., Ltd.
- Applicant Address: KR Seoul
- Assignee: LG Display Co., Ltd.
- Current Assignee: LG Display Co., Ltd.
- Current Assignee Address: KR Seoul
- Agency: Seed Intellectual Property Law Group LLP
- Priority: KR10-2018-0143448 20181120
- Main IPC: H01L51/50
- IPC: H01L51/50

Abstract:
Organic light emitting diode display devices are provided. In at least one embodiment, an organic light emitting diode display device includes a first electrode; a first stack on the first electrode and the first stack is configured to emit a blue colored light; a first charge generating layer on the first stack; a second stack on the first charge generating layer and the second stack is configured to emit a red colored light and a yellow-green colored light; and a second electrode on the second stack. The second stack includes: a red-yellow-green emitting material layer including a yellow-green host, a yellow-green dopant and a red dopant; and a yellow-green emitting material layer including the yellow-green host and the yellow-green dopant.
Public/Granted literature
- US20200161580A1 ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE Public/Granted day:2020-05-21
Information query
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