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Transflective device with a transparent organic light‐emitting diode and a reflective liquid‐crystal device
Author(s) -
Chiu TienLung,
Xianyu Haiqing,
Ge Zhibing,
Lee JiunHaw,
Liu KouChen,
Wu ShinTson
Publication year - 2009
Publication title -
journal of the society for information display
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.578
H-Index - 52
eISSN - 1938-3657
pISSN - 1071-0922
DOI - 10.1889/jsid17.12.1009
Subject(s) - transmittance , oled , materials science , polarizer , optoelectronics , liquid crystal display , diode , optics , liquid crystal , viewing angle , layer (electronics) , birefringence , nanotechnology , physics
— A high‐transmittance transflective device based on a hybrid structure consisting of a transparent organic light‐emitting diode (OLED) stacked on top of a reflective liquid‐crystal device (RLCD) was conceptually demonstrated. By placing the transparent OLED on top of a vertically aligned LCD operated under normally black mode, a transmittance as high as 75.7% was obtained due to the asymmetric emission characteristics of a transparent OLED. To further improve the performance in the transmissive mode, a polarizer‐free LCD was used, which yielded an ultra‐high transmittance (82.2% overall).