Display device and game machine
US11009648B2 · kind B2 · utility
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1References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 28, 2017 |
| Grant date | May 18, 2021 |
| Priority date | — |
| Expiry date | Mar 11, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0068
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
To achieve more natural image expression. A display device (1) is provided with a light guide plate (4) which displays a predetermined image having a tone caused by changing the amount of light emitted from each of pixel regions including one or more light exit structures (43), and the amount of light emitted from the pixel regions displaying the tone in a predetermined range is randomly set so as to be a first light amount value or a second light amount value greater than the first light amount value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.