Title:
APPARATUS AND METHOD FOR EVALUATING LIGHT STABILITY OF MATERIAL FOR ORGANIC LAYER OF ORGANIC LIGHT-EMITTING ELEMENT
Document Type and Number:
WIPO Patent Application WO/2022/119180
Kind Code:
A1
Abstract:
An apparatus for evaluating light stability of material for organic layers of organic light-emitting elements according to one embodiment of the present application comprises a light stability chamber provided with at least four light source zones, the least four light source zones comprising: a first light source zone provided with daylight light source; a second light source zone provided with white fluorescent light source; a third light source zone provided with ultraviolet-cutoff (UV-cut) light source; and a fourth light source zone from which no light is emitted.
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Inventors:
YANG HAK KYUN (KR)
KIM JEONGHYUN (KR)
LEE HEEJOO (KR)
YOO WONJONG (KR)
KIM JEONGHYUN (KR)
LEE HEEJOO (KR)
YOO WONJONG (KR)
Application Number:
PCT/KR2021/016792
Publication Date:
June 09, 2022
Filing Date:
November 16, 2021
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
G01N17/00; H01L51/00; H01L51/56
Foreign References:
| JP2019090829A | 2019-06-13 | |||
| KR101881225B1 | 2018-07-24 | |||
| KR101433250B1 | 2014-09-22 | |||
| KR20100017097A | 2010-02-16 | |||
| KR20200168430A | 2020-12-04 |
Other References:
GEVORGYAN SUREN A., JØRGENSEN MIKKEL, KREBS FREDERIK C., SYLVESTER-HVID KRISTIAN O.: "A compact multi-chamber setup for degradation and lifetime studies of organic solar cells", SOLAR ENERGY MATERIALS AND SOLAR CELLS, ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM., NL, vol. 95, no. 5, 1 May 2011 (2011-05-01), NL , pages 1389 - 1397, XP055936650, ISSN: 0927-0248, DOI: 10.1016/j.solmat.2011.01.023
See also references of EP 4202406A4
See also references of EP 4202406A4
Attorney, Agent or Firm:
CHOI, Hee-Kyeong et al. (KR)
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