Liquid crystal display device
US10684504B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 22, 2017 |
| Grant date | Jun 16, 2020 |
| Priority date | — |
| Expiry date | Jun 22, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133562
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Provided is a liquid crystal display device comprising: a light source having a wide color reproduction range; a liquid crystal panel; and a polarizing plate arranged on the visible side of the liquid crystal panel, wherein the polarizing plate comprises a polarizer and a polarizer protecting film; the polarizer protecting film comprises a polyester base film having an in-plane phase difference of 8,000 nm or higher at a wavelength of 550 nm and a primer layer formed on at least one surface of the polyester base film; and a coating layer having a lower refractive index than the primer layer is additionally formed on a surface of the primer layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.