Invention Grant
- Patent Title: Display device comprising a metal wiring connected to a transparent counter electrode and overlapping a drain electrode of a thin film transistor
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Application No.: US17239714Application Date: 2021-04-26
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Publication No.: US11385512B2Publication Date: 2022-07-12
- Inventor: Tohru Sasaki , Takahiro Ochiai
- Applicant: Japan Display Inc. , Panasonic Liquid Crystal Display Co., Ltd.
- Applicant Address: JP Tokyo; JP Himeji
- 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 Himeji
- Agency: Marquez IP Law Office, PLLC
- Agent Juan Carlos A. Marquez
- Priority: JPJP2007-228412 20070904
- Main IPC: G02F1/1362
- IPC: G02F1/1362 ; G02F1/1343 ; G02F1/1333 ; G02F1/1368 ; G02F1/1335

Abstract:
To form a sufficiently large storage capacitor, a liquid crystal display device includes a liquid crystal display panel having a first substrate, a second substrate, and a liquid crystal held between the first substrate and the second substrate, the liquid crystal display panel having multiple pixels arranged in matrix. The first substrate has, in a transmissive display area provided in each of the pixels, a laminated structure containing a first transparent electrode, a first insulating film, a second transparent electrode, a second insulating film, and a third transparent electrode which are laminated in this order. The first transparent electrode and the second transparent electrode are electrically insulated from each other and together form a first storage capacitor through the first insulating film, and the second transparent electrode and the third transparent electrode are electrically insulated from each other and together form a second storage capacitor through the second insulating film.
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