Invention Grant
- Patent Title: Liquid crystal display device
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Application No.: US16019937Application Date: 2018-06-27
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Publication No.: US10423034B2Publication Date: 2019-09-24
- Inventor: Takahiro Ochiai , Tohru Sasaki , Tetsuya Nagata
- Applicant: Japan Display Inc. , Panasonic Liquid Crystal Display Co., Ltd.
- Applicant Address: JP Tokyo JP Hyogo-ken
- Assignee: Japan Display Inc.,Panasonic Liquid Crystal Display Co., Ltd.
- Current Assignee: Japan Display Inc.,Panasonic Liquid Crystal Display Co., Ltd.
- Current Assignee Address: JP Tokyo JP Hyogo-ken
- Agency: Marquez IP Law Office, PLLC
- Agent Juan Carlos A. Marquez
- Priority: JP2008-044247 20080226
- Main IPC: G02F1/1339
- IPC: G02F1/1339 ; G02F1/1362 ; G02F1/1368 ; G02F1/1343 ; G02F1/1341 ; G02F1/136

Abstract:
A column for defining the interval between a TFT substrate and an opposed substrate is formed at a crossing point between a drain line and a scanning line. At the crossing point where the column is formed, the drain line is formed to have a wider width to prevent light leakage. Further, at the crossing point where the column is formed, the scanning line is formed to have a narrower width to prevent increase of capacitance between the drain line and the scanning line. The column is formed at a crossing point corresponding to a specific color, e.g., a blue pixel B, so that a difference in transmittance and in characteristic of thin film transistors due to formation of the column is initially compensated.
Public/Granted literature
- US20180307072A1 LIQUID CRYSTAL DISPLAY DEVICE Public/Granted day:2018-10-25
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