Color filter substrate and manufacturing method thereof
US11961853B2 · kind B2 · utility
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17Claims
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Key dates
| Filing date | May 28, 2021 |
| Grant date | Apr 16, 2024 |
| Priority date | — |
| Expiry date | Sep 12, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2201/30
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A color filter substrate and a manufacturing method thereof are provided. A plurality of grating structures, a sensor unit and a switch unit are integrated on the color filter substrate. As such, in addition to an original light-filtering function, the color filter substrate is given functions of polarizing light rays and sensing light rays.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.