Title:
WHITE-LIGHT ORGANIC ELECTROLUMINESCENT DEVICE AND CORRESPONDING DISPLAY PANEL
Document Type and Number:
WIPO Patent Application WO/2019/006784
Kind Code:
A1
Abstract:
A white-light organic electroluminescent device (10) and a display panel (30). The organic electroluminescent device (10) comprises: a first electrode (101), a first hole injection layer (102), a first hole transport layer (103), a first light-emitting layer (104), a first electron transport layer (105), a charge generation layer (106), a second hole injection layer (107), a second hole transport layer (108), an electron barrier layer (109), a second light-emitting layer (110), a third light-emitting layer (111), a second electron transport layer (112) and a second electrode (113) sequentially stacked, wherein the first and second light-emitting layers (104, 110) are both blue light-emitting layers; and the third light-emitting layer (111) is a yellow light-emitting layer. By means of the method, the problems of a white light colour cast and high power consumption caused by insufficient blue light can be effectively solved.
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Inventors:
TU AIGUO (CN)
Application Number:
PCT/CN2017/093840
Publication Date:
January 10, 2019
Filing Date:
July 21, 2017
Export Citation:
Assignee:
SHENZHEN CHINA STAR OPTOELECT (CN)
International Classes:
H01L51/50
Foreign References:
| CN103633247A | 2014-03-12 | |||
| CN102709482A | 2012-10-03 | |||
| CN104393184A | 2015-03-04 | |||
| CN106328833A | 2017-01-11 | |||
| US20090001885A1 | 2009-01-01 |
Attorney, Agent or Firm:
CHINA WISPRO INTELLECTUAL PROPERTY LLP. (CN)
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