To enhance light extraction of OLED devices by multi-optic layers including a micro lens array

Chuang-Hung Chiu; Chao-Heng Chien; Yu-Xaong Kuo; Jen-Chi Lee

doi:10.1117/12.2061338

8 October 2014 To enhance light extraction of OLED devices by multi-optic layers including a micro lens array

Chuang-Hung Chiu; Chao-Heng Chien; Yu-Xaong Kuo; Jen-Chi Lee

Author Affiliations +

Proceedings Volume 9183, Organic Light Emitting Materials and Devices XVIII; 91832C (2014) https://doi.org/10.1117/12.2061338
Event: SPIE Organic Photonics + Electronics, 2014, San Diego, California, United States

Abstract

In recent years, OLED has advantages including that larger light area, thinner thickness, excellent light uniformity, and can be as a flexible light source. Many display panel and lighting have been started to use the OLED due to OLED without back light system, thus how to make and employ light extracting layer could be important issue to enhance OLED brightness. The purpose of this study is to enhance the light extraction efficiency and light emitting area of OLED, so the micro lens array and the prism reflection layer were provided to enhance the surface light extracting efficiency of OLD. Finally the prism layer and diffusing layer were used to increase the uniformity of emitting area of OLED, which the efficiency of 31% increasing to compare with the OLED without light extracting film.

Citation Download Citation

Chuang-Hung Chiu, Chao-Heng Chien, Yu-Xaong Kuo, Jen-Chi Lee, "To enhance light extraction of OLED devices by multi-optic layers including a micro lens array", Proc. SPIE 9183, Organic Light Emitting Materials and Devices XVIII, 91832C (8 October 2014); doi: 10.1117/12.2061338; https://doi.org/10.1117/12.2061338

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