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Patent Searching and Data


Title:
MANUFACTURING METHOD FOR TANDEM OLED DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/042488
Kind Code:
A1
Abstract:
A manufacturing method for a tandem OLED device, comprising the following steps: providing an anode (2); forming an organic electroluminescent assembly (25) on the anode (2) by using an ink-jet printing technology, the organic electroluminescent assembly (25) comprising a plurality of stacked organic electroluminescent units (3), and each organic electroluminescent unit (3) comprising a hole injection layer (4), a hole transport layer (5), a light emitting layer (6), an electron transport layer (7), and an electron injection layer (8) which are successively arranged; and forming a cathode (12) on one side of the organic electroluminescent assembly (25) distant from the anode (2).

Inventors:
LIU MING (CN)
Application Number:
PCT/CN2019/115503
Publication Date:
March 11, 2021
Filing Date:
November 05, 2019
Export Citation:
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Assignee:
SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECH CO LTD (CN)
International Classes:
H01L51/50; H01L27/32; H01L51/52
Foreign References:
CN107565039A2018-01-09
CN106848024A2017-06-13
CN105845843A2016-08-10
CN109950298A2019-06-28
US20120132898A12012-05-31
Attorney, Agent or Firm:
PURPLEVINE INTELLECTUAL PROPERTY (SHENZHEN) CO., LTD. (CN)
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