Optimization of UV-light-modified multidomain cell for large-size TFT-LCDs

Shunji Suzuki; Hideo Takano; Kohichi Nakayama; Yuichi Momoi; Atsushi Takenaka

doi:10.1117/12.270299

10 April 1997 Optimization of UV-light-modified multidomain cell for large-size TFT-LCDs

Shunji Suzuki, Hideo Takano, Kohichi Nakayama, Yuichi Momoi, Atsushi Takenaka

Proceedings Volume 3014, Active Matrix Liquid Crystal Displays Technology and Applications; (1997) https://doi.org/10.1117/12.270299
Event: Electronic Imaging '97, 1997, San Jose, CA, United States

Abstract

The multi-domain technology of UV light modified method has been further studied for the application to TFT/LCDs. The additional process is only UV light irradiation through the sub-pixel mask onto the polyimide film. The cell design of pre-tilt control and LC alignment optimization has been studied. The pre-tilt angle difference and the lower pre- tilt angle between the upper and the lower glass substrate are the key to apply this technology to TFT/LCD, the value are more than 2 degree and less than 1 degree, respectively. The process dependency of this technology has also been evaluated and proved its application to TFT/LCD cell process. The opto-electrical characteristics will be described including charge retention, transmittance-voltage curve, and driving life issue.

Citation Download Citation

Shunji Suzuki, Hideo Takano, Kohichi Nakayama, Yuichi Momoi, and Atsushi Takenaka "Optimization of UV-light-modified multidomain cell for large-size TFT-LCDs", Proc. SPIE 3014, Active Matrix Liquid Crystal Displays Technology and Applications, (10 April 1997); https://doi.org/10.1117/12.270299

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