Display apparatus and light control apparatus
US10916210B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 16, 2019 |
| Grant date | Feb 9, 2021 |
| Priority date | — |
| Expiry date | May 24, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2320/0626
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
According to an aspect, a display apparatus includes: a display device that includes a display area in which a plurality of pixels are provided; an illuminator that includes a light guiding plate opposed to the display area and a light source configured to emit light to the light guiding plate; and a light controller configured to adjust an amount of light emitted from the illuminator. The light controller includes: a first substrate provided with a plurality of light control areas opposed to the display area; a plurality of electrodes arranged in a matrix in each of the light control areas; circuitry configured to control light transmittance of each of the light control areas; and a plurality of wiring lines that couple the circuitry and the electrodes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.