Invention Grant
- Patent Title: Viewing angle-controllable liquid crystal display device and fabrication method thereof
- Patent Title (中): 视角可控液晶显示装置及其制造方法
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Application No.: US12615617Application Date: 2009-11-10
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Publication No.: US08169580B2Publication Date: 2012-05-01
- Inventor: Hwi-Deuk Lee
- Applicant: Hwi-Deuk Lee
- Applicant Address: KR Seoul
- Assignee: LG Display Co., Ltd.
- Current Assignee: LG Display Co., Ltd.
- Current Assignee Address: KR Seoul
- Agency: Brinks Hofer Gilson & Lione
- Priority: KR10-2008-0128107 20081216
- Main IPC: G02F1/1368
- IPC: G02F1/1368 ; G02F1/1333 ; H01L21/77

Abstract:
A viewing angle controllable liquid crystal display device including red, green and blue color pixels and a control pixel of an electrically controlled birefringence (ECB) mode and its fabrication method are disclosed. A gate insulating layer and a passivation layer at a pixel area of the ECB control pixel are removed by using a half-tone mask to additionally secure a cell gap to thus maximize efficiency of the ECB control pixel to improve a viewing angle control effect. In addition, a light leakage is prevented by reducing a step in the vicinity of the pixel area of the ECB control pixel.
Public/Granted literature
- US20100149449A1 VIEWING ANGLE-CONTROLLABLE LIQUID CRYSTAL DISPLAY DEVICE AND FABRICATION METHOD THEREOF Public/Granted day:2010-06-17
Information query
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