Optical film and display device
US12282178B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 3, 2024 |
| Grant date | Apr 22, 2025 |
| Priority date | — |
| Expiry date | Jun 3, 2044 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0051
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical film includes a grid layer having a first surface, a second surface, light-shading portions, and light-transmitting portions. The light-shading portions and the light-transmitting portions are located between the first surface and the second surface, and the light-shading portions and the light-transmitting portions are alternately arranged along the first surface. Each light-shading portion has a third surface, a fourth surface, a fifth surface, a sixth surface, and a seventh surface. An angle between the fourth and third surfaces is A1, an angle between the fifth and third surfaces is A2, an angle between the sixth and second surfaces is A3, and an angle between the seventh and second surfaces is A4. Wherein 85°<A1≤90°, 85°<A2≤90°, 0°<A3<85°, 0°<A4<85°, A2≠A4, and A1≠A3. A display device is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.