Method for manufacturing light-mixing plate, light-mixing plate, and backlight module
US12153244B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | Mar 15, 2021 |
| Grant date | Nov 26, 2024 |
| Priority date | — |
| Expiry date | Mar 15, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K50/80
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Provided is a method for manufacturing a light-mixing plate. The method includes disposing a plurality of shielding structures on a transparent substrate; forming a light-shielding film layer on the transparent substrate where the plurality of shielding structures are disposed, wherein a hole is formed at a position, corresponding to each of the plurality of shielding structures, of the light-shielding film layer; and removing the plurality of shielding structures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.