P‐258: Late‐News Poster: New Approach for Achieving Perfect Black of WOLED

OLED displays have excellent black characteristics as a self‐emitting device, but in the bottom emission structure, reflections from external light are generated by the use of highly reflective metal electrodes. In order to control this, an appropriate anti‐reflective function for each wavelength ha...

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Bibliographic Details
Published inSID International Symposium Digest of technical papers Vol. 55; no. 1; pp. 2240 - 2243
Main Authors Kim, Minhyung, Roh, Sudong, Lim, Chungsun, Lee, Taerim, Bae, Sungjoon, Shin, Woosup, Lee, Hyeonwoo
Format Journal Article
LanguageEnglish
Published Campbell Wiley Subscription Services, Inc 01.06.2024
Subjects
Neutral black
OLED
Reflective property
Surface treatment
White OLED
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Summary:OLED displays have excellent black characteristics as a self‐emitting device, but in the bottom emission structure, reflections from external light are generated by the use of highly reflective metal electrodes. In order to control this, an appropriate anti‐reflective function for each wavelength has been given to the film to realize Neutral Black. In this paper, we would like to propose a new method to realize more neutral black and high clarity CR by adjusting the QWP and surface treatment of the pol layer and panel technology that affect the reflective properties.
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ISSN:0097-966X
2168-0159
DOI:10.1002/sdtp.18058