Color filter substrate and display device
US11314121B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | Aug 5, 2019 |
| Grant date | Apr 26, 2022 |
| Priority date | — |
| Expiry date | May 30, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133512
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A color filter substrate and a display device are provided. The color filter substrate includes a color filter base and a black matrix layer. The color filter base includes an active area and a frame area disposed beside the active area. The black matrix layer is disposed on the color filter substrate and positioned in the active area and a portion of the frame area. An edge of the frame area of the color filter base is provided with a groove.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.