Invention Grant
- Patent Title: Liquid crystal panel, liquid crystal display unit, liquid crystal display device, and television receiver
- Patent Title (中): 液晶面板,液晶显示单元,液晶显示装置和电视接收机
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Application No.: US12671647Application Date: 2008-05-14
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Publication No.: US08471996B2Publication Date: 2013-06-25
- Inventor: Toshihide Tsubata
- Applicant: Toshihide Tsubata
- Applicant Address: JP Osaka
- Assignee: Sharp Kabushiki Kaisha
- Current Assignee: Sharp Kabushiki Kaisha
- Current Assignee Address: JP Osaka
- Agency: Nixon & Vanderhye P.C.
- Priority: JP2007-208649 20070809
- International Application: PCT/JP2008/058801 WO 20080514
- International Announcement: WO2009/019917 WO 20090212
- Main IPC: G02F1/1339
- IPC: G02F1/1339

Abstract:
A liquid crystal panel includes: an active matrix substrate (3) including a transparent substrate (31) formed with a transistor, a pixel electrode, and a signal wire; a color filter substrate (30) including a transparent substrate (32) formed with a common electrode; a liquid crystal material (40) disposed between the substrates (3, 30); and a spherical main spacer (2m) contacting the active matrix substrate (3) and the color filter substrate (30). The active matrix substrate (3) has a surface including a sub spacer region (SA) away from the transparent substrate (31) at a distance shorter than a distance between the transparent substrate and a portion where the surface of the active matrix substrate (3) contacts the main spacer (2m). A spherical sub spacer (2s) is disposed to overlap the sub spacer region (SA). This provides a liquid crystal panel where liquid crystal bubbles hardly occur even when the liquid crystal material contracts due to low temperature, etc.
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