Liquid crystal display device
US10845640B2 · kind B2 · utility
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13Claims
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Key dates
| Filing date | Jul 10, 2018 |
| Grant date | Nov 24, 2020 |
| Priority date | — |
| Expiry date | Jul 10, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2413/12
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Provided is a liquid crystal display device having a viewing-side polarizing plate, a liquid crystal panel and a light source-side polarizing plate, which are stacked sequentially, wherein the viewing-side polarizing plate comprises a first polarizer and a first protective film formed on a light output surface of the first polarizer, the light source-side polarizing plate comprises a second polarizer and a fourth protective film formed on a light incident surface of the second polarizer, and the TD shrinkage ratio of the fourth protective film is greater than the TD shrinkage ratio of the first protective film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.