Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ORGANIC EL DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/029184
Kind Code:
A1
Abstract:
Provided is an organic EL display device that can more reliably suppress a leak current between adjacent pixels. The organic EL display device, which has pixels each including a light emitting region and a non-light emitting region, comprises: a first electrode; an organic insulation layer that is disposed in the non-light emitting region and covers an end of the first electrode; a first light emitting layer and a second light emitting layer arranged on both sides of the organic insulation layer; a second electrode on the first light emitting layer and the second light emitting layer; a carrier transport layer between the first electrode and the second electrode; and a first carrier blocking layer that is disposed on a carrier injection layer in a region where the organic insulation layer is disposed, wherein the carrier transport layer and the carrier injection layer overlap with each other in an overlapping region, the first carrier blocking layer is disposed in the non-light emitting region, and an end of the first carrier blocking layer is provided between the carrier transport layer and the carrier injection layer in the overlapping region.

Inventors:
SASAKI TOHRU (JP)
Application Number:
PCT/JP2020/027830
Publication Date:
February 18, 2021
Filing Date:
July 17, 2020
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
JAPAN DISPLAY INC (JP)
International Classes:
G09F9/30; H01L27/32; H01L51/50; H05B33/12; H05B33/22
Foreign References:
JP2018093196A2018-06-14
JP2016103395A2016-06-02
US20180151825A12018-05-31
JP2013051158A2013-03-14
Attorney, Agent or Firm:
HARUKA PATENT & TRADEMARK ATTORNEYS (JP)
Download PDF: