Optical Components, Detectors, and Displays

Enhancing the color gamut of white displays using novel deep-blue organic fluorescent dyes to form color-changed thin films with improved efficiency

[+] Author Affiliations
Wei-Ting Liu, Wen-Yao Huang

National SunYat-Sen University, Department of Photonics, Kaohsiung City 80424, Taiwan

Opt. Eng. 51(10), 104001 (Oct 01, 2012). doi:10.1117/1.OE.51.10.104001
History: Received May 24, 2012; Revised July 17, 2012; Accepted August 27, 2012
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Abstract.  This study used the novel fluorescence based deep-blue-emitting molecule BPVPDA in an organic fluorescent color thin film to exhibit deep blue color with CIE coordinates of (0.13, 0.16). The developed original organic RGB color thin film technology enables the optimization of the distinctive features of an organic light emitting diode (OLED) and thin-film-transistor (TFT) LCD display. The color filter structure maintains the same high resolution to obtain a higher level of brightness in comparison with conventional organic RGB color thin film. The image-processing engine is designed to achieve a sharp text image for a TFT LCD with organic color thin films. The organic color thin films structure uses an organic dye dopant in a limpid photoresist. With this technology, the following characteristics can be obtained: 1. high color reproduction of gamut ratio, and 2. improved luminous efficiency with organic color fluorescent thin film. This performance is among the best results ever reported for a color-filter used on TFT-LCD or OLED.

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© 2012 Society of Photo-Optical Instrumentation Engineers

Citation

Wei-Ting Liu and Wen-Yao Huang
"Enhancing the color gamut of white displays using novel deep-blue organic fluorescent dyes to form color-changed thin films with improved efficiency", Opt. Eng. 51(10), 104001 (Oct 01, 2012). ; http://dx.doi.org/10.1117/1.OE.51.10.104001


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