P-139: Novel Viewing-Angle Controllable TFT-LCD

Abstract

We developed the viewing angle controllable TFT-LCD which has the same thickness and weight as conventional TFT-LCD, because it is made of only one LC cell without additional other components. Furthermore, to control more effectively narrow viewing angle, we applied two new methods which are luminance compensation and background character insertion. The viewing angle of this display can be changed from 80° to 170°.

Viewing angle control and fast switching of a hybrid-aligned liquid crystal cell using a vertical bias field

“…As these methods, however, use multiple liquid crystal (LC) layers [3][4][5][6], a dual-backlight system [7], or the pixel division method [8,9], they may increase the cost of the device or decrease the transmittance. Recently, dual-mode switching of an LC panel, which can realize viewing angle control with a single LC panel and a single-backlight system but with neither additional components nor pixel division was proposed [10].…”

A viewing‐angle‐controllable blue‐phase liquid‐crystal display

“…However, these methods result in increases in thickness of LC panel, manufacturing cost and power consumption. To solve these problems, single-panel methods have been proposed [7,8].…”

Viewing angle controllable liquid crystal display under optical compensation

“…[5][6][7][8][9] Although these VAC LCDs exhibit good switchability of the viewing angle characteristics, an additional panel or backlight are inevitably required. Recently, the dual liquid crystal (LC ) mode in a single panel was proposed in a configuration of three terminal electrodes consisting of a FFS electrode on a bottom substrate and a common electrode on a top substrate.…”