Invention Grant
- Patent Title: Display device
-
Application No.: US16288458Application Date: 2019-02-28
-
Publication No.: US10720593B2Publication Date: 2020-07-21
- Inventor: Tsuyoshi Uemura
- Applicant: Japan Display Inc.
- Applicant Address: JP Tokyo
- Assignee: Japan Display Inc.
- Current Assignee: Japan Display Inc.
- Current Assignee Address: JP Tokyo
- Agency: Michael Best & Friedrich LLP
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@25d729e3
- Main IPC: H01L51/50
- IPC: H01L51/50 ; H01L27/32 ; H01L51/52

Abstract:
A display device including a light emitting element including a first electrode, a light emitting layer and a plurality of organic layers including a hole transport layer above the first electrode, and a second electrode above the plurality of organic layers, and an insulation layer having an opening part exposing a part of the first electrode and covering a periphery side part of the first electrode, wherein when a hole mobility of the light emitting layer is μh1 and a hole mobility of the hole transport layer is μh2 then μ h 2 μ h 1 ≦ 10 3 and when a periphery length of the part of the first electrode exposed by the opening part is L and an area of the first electrode exposed by the opening part is S0 then L S 0 ≧ 0.07
Public/Granted literature
- US20190280238A1 DISPLAY DEVICE Public/Granted day:2019-09-12
Information query
IPC分类: