Invention Grant
- Patent Title: Reflective LCD comprising reflective surface including convex portions whose elevation varying cycles is greater than pitch of convex portions
- Patent Title (中): 反射LCD包括反射表面,其包括凸起部分,其凸起变化周期大于凸部的间距
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Application No.: US11335708Application Date: 2006-01-20
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Publication No.: US07310126B2Publication Date: 2007-12-18
- Inventor: Kohei Nagayama , Yasuyuki Hanazawa
- Applicant: Kohei Nagayama , Yasuyuki Hanazawa
- Applicant Address: JP Tokyo
- Assignee: Kabushiki Kaisha Toshiba
- Current Assignee: Kabushiki Kaisha Toshiba
- Current Assignee Address: JP Tokyo
- Agency: Pillsbury Winthrop Shaw Pittman, LLP
- Priority: JP2000-333722 20001031; JP2001-110450 20010409
- Main IPC: G02F1/1335
- IPC: G02F1/1335

Abstract:
There is disclosed a liquid crystal display device comprising an array substrate, an counter substrate, and a liquid crystal layer which is held between the array substrate and the counter substrate and whose liquid crystal molecular arrangement is divided into a plurality of pixel areas controlled by the array substrate and opposite substrate. The array substrate includes a reflective pixel electrode for scattering a light incident via the counter substrate and liquid crystal layer. The reflective pixel electrode has a reflective surface in which a first undulation having a gradual inclined surface disposed in each pixel area and a second undulation having a plurality of convex portions as main scattering portions disposed in each pixel area are superimposed.
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