Invention Grant
- Patent Title: Organic light emitting display device
-
Application No.: US17384231Application Date: 2021-07-23
-
Publication No.: US11800773B2Publication Date: 2023-10-24
- Inventor: Wonjin Choi , Younghoon Kim , Jungmin Yoon , Seungcheol You
- 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: Fenwick & West LLP
- Priority: KR 20200109695 2020.08.28
- Main IPC: H01L51/52
- IPC: H01L51/52 ; H10K59/38 ; H10K50/84 ; H10K59/123 ; H10K59/35

Abstract:
An organic light emitting display device includes a substrate having a first sub-pixel, a second sub-pixel, a third sub-pixel and a fourth sub-pixel arranged in a quad type of a 2×2 matrix form, a first color filter disposed in the first sub-pixel, a second color filter disposed in the second sub-pixel, a third color filter disposed in the third sub-pixel, and a planarization layer covering the first to third color filters, wherein the planarization layer has a concave portion of a lens shape in the fourth sub-pixel, wherein the concave portion has a width greater than that of the fourth sub-pixel. Accordingly, the organic light emitting display device with improved light extraction efficiency of the fourth sub-pixel may be implemented.
Public/Granted literature
- US20220069015A1 Organic Light Emitting Display Device Public/Granted day:2022-03-03
Information query
IPC分类: