1 February 1998 New color filter with negative birefringence
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Abstract
We have presented a special color film with negative optical-birefringence. It can work as color filter and viewing angle extension film of Normally White Twist Nematic Liquid Crystal Displays (NW TN-LCDs). To fabricate such film we synthesized oil-soluble high-performance polyimide (PI) which can be dissolved in the usual organic solvent and shows negative birefringence after lamination. Mixing PI with certain pigment of green, blue and red color in the solvent with suitable proportion individually and laminating on the glass substrate, we obtained color films of good transmission spectrum and suitable chromatic coordinates. The experimental results show that the color filter can work as compensation films of NW TN-LCDs.
© (1998) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Xibin Shao, Xibin Shao, Jianfeng Yuan, Jianfeng Yuan, Yuan Wu, Yuan Wu, Zhenjun Ma, Zhenjun Ma, Baozhong Li, Baozhong Li, Tianbei He, Tianbei He, Xinmin Huang, Xinmin Huang, } "New color filter with negative birefringence", Proc. SPIE 3318, Liquid Crystals: Physics, Technology, and Applications, (1 February 1998); doi: 10.1117/12.300027; https://doi.org/10.1117/12.300027
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