Invention Grant
- Patent Title: Organic light emitting display device
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Application No.: US14728360Application Date: 2015-06-02
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Publication No.: US09786720B2Publication Date: 2017-10-10
- Inventor: Mi-Na Kim , Kwang Hyun Kim , Jin Ho Park
- 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: Birch, Stewart, Kolasch & Birch, LLP
- Priority: KR10-2012-0121726 20121031
- Main IPC: H01L29/20
- IPC: H01L29/20 ; H01L51/52 ; H01L27/32 ; H01L51/00 ; H01L51/50 ; H01L51/56

Abstract:
An organic light emitting display device including, according to one embodiment, a substrate having first, second, and third pixel areas; a first hole transporting layer on the substrate; a first emission common layer on the first transport layer; a second emission common layer on the first emission common layer; a third emission common layer on the second emission common layer; a second hole transporting layer between the first hole transporting layer and the first emission common layer, the second hole transporting layer disposed on the first pixel area; a third hole transporting layer between the first and second emission common layers, the third hole transporting layer disposed on the second pixel area; and a fourth hole transporting layer between the second and third emission common layers, the fourth hole transporting layer disposed on the third pixel area.
Public/Granted literature
- US20150263304A1 ORGANIC LIGHT EMITTING DISPLAY DEVICE Public/Granted day:2015-09-17
Information query
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