Light collimating thin film, edge-type backlight module, liquid crystal display device and micro light emitting diode display device
US11281018B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | Aug 27, 2019 |
| Grant date | Mar 22, 2022 |
| Priority date | — |
| Expiry date | Feb 27, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0055
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present application discloses a light collimating thin film, an edge-type backlight module, a liquid crystal display device, and a micro light emitting diode display device. The light collimating thin film includes a substrate having a first surface and a second surface which are opposed to each other, and a plurality of conical structures respectively penetrating the substrate. Axes of the plurality of conical structures are respectively perpendicular to the first surface and the second surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.