Liquid crystal display including circular or polygonal polarizing plates each whose absorption and transmission axes have improved precision in direction
US7990494B2 · kind B2 · utility
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4Claims
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Key dates
| Filing date | Nov 10, 2008 |
| Grant date | Aug 2, 2011 |
| Priority date | — |
| Expiry date | Dec 11, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133638
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A peripheral part of a substrate 1A includes a straight line part 1a. Similarly, a peripheral part of a substrate 1B includes a straight line part. A peripheral part of a polarizing plate 2 is formed of a curved part, and includes a straight line part 2a.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.