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Title:
ORGANIC ELECTROLUMINESCENT DEVICE AND DISPLAY APPARATUS
Document Type and Number:
WIPO Patent Application WO/2018/040686
Kind Code:
A1
Abstract:
Disclosed are an organic electroluminescent device and a display apparatus. The materials of a blue light-emitting layer (33) in the organic electroluminescent device comprise an electron transport material and a hole transport material capable of forming a blue-light exciplex. The respective ratios of the electron transport material and the hole transport material in the blue light-emitting layer (33) to all the materials of the blue light-emitting layer (33) match the electron transportation capability of a red light-emitting layer (31) and a green light-emitting layer (32), so that when the red light-emitting layer (31) and/or the green light-emitting layer (32) need/needs to emit light, electrons and a hole cannot be compounded at the interior and edge of a part, covering the red light-emitting layer (31) and the green light-emitting layer (32), of the blue light-emitting layer (33).

Inventors:
YOU, Juanjuan (No.9 Dize Rd, BDA, Beijing 6, 100176, CN)
LIAO, Chinlung (No.9 Dize Rd, BDA, Beijing 6, 100176, CN)
Application Number:
CN2017/089719
Publication Date:
March 08, 2018
Filing Date:
June 23, 2017
Export Citation:
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Assignee:
BOE TECHNOLOGY GROUP CO., LTD. (No.10 Jiuxianqiao Road, Chaoyang District, Beijing 5, 100015, CN)
International Classes:
H01L51/50
Attorney, Agent or Firm:
CHINA PATENT AGENT (H.K.) LTD. (22/F, Great Eagle Centre23 Harbour Road, Wanchai, Hong Kong, Kong, CN)
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