Reflector and method for controlling the same, backlight module, and display device
US10809566B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Oct 24, 2018 |
| Grant date | Oct 20, 2020 |
| Priority date | — |
| Expiry date | Oct 24, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2001/1678
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A reflector, and a method for controlling the same, a backlight module, and a display device are provided in the embodiments of the disclosure, the reflector including a first electrode layer and a second electrode layer opposite to and spaced apart from each other; the first electrode layer and the second electrode layer are configured to form a variable electrical field between the first electrode layer and the second electrode layer in response to electrical signals applied respectively on the first electrode layer and the second electrode layer; and light reflective particles and light absorptive particles are distributed in a space therebetween, the light reflective particles and the light absorptive particles being charged oppositely, the light reflective particles reflecting light rays while the light absorptive particles absorbing light rays, respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.