Mother substrate for color conversion substrate and method of testing color conversion substrate thereof
US11747702B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | Mar 4, 2022 |
| Grant date | Sep 5, 2023 |
| Priority date | — |
| Expiry date | Mar 4, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133351
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A mother substrate for a color conversion substrate includes: a substrate including a display area and a tag area, where the tag area is disposed around the display area and includes a plurality of sub-tag areas; a first ink layer disposed in some of the sub-tag areas and having a first color; and a second ink layer disposed in some of the sub-tag areas and having a second color different from the first color. A volume of the first ink layer in each of the some of the sub-tag areas is different from each other, or a volume of the second ink layer in each of the some of the sub-tag areas is different from each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.