Optical film, backlight module and liquid crystal display device
US10120208B2 · kind B2 · utility
2Cited by
0References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 13, 2015 |
| Grant date | Nov 6, 2018 |
| Priority date | — |
| Expiry date | Mar 13, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133628
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present disclosure discloses an optical film, a backlight module and a liquid crystal display device and relates to the liquid crystal display field. It solves the problem that the edge of an optical film in the prior art can be easily warped. An optical film is provided and comprises an optical film body, and at a position of the optical film body that is close to a heat source, a thermal expansion stretchable structure is provided and is capable of releasing a thermal expansion amount of the optical film body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.