Display substrate and forming method thereof, display panel and display device
US11231609B2 · kind B2 · utility
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12Claims
0Family size
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Key dates
| Filing date | Dec 19, 2017 |
| Grant date | Jan 25, 2022 |
| Priority date | — |
| Expiry date | Nov 15, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133528
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A display substrate and a forming method thereof, a display panel and a display device are provided. The display substrate includes: a base substrate, a display functional layer on the base substrate, and an optical structure arranged at a side of the base substrate. The optical structure is used to control an emergent angle of light from the display functional layer to be within a predetermined angle range.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.