Display device
US10981581B2 · kind B2 · utility
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0References
10Claims
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Assignee
Inventors
Key dates
| Filing date | Jun 21, 2018 |
| Grant date | Apr 20, 2021 |
| Priority date | — |
| Expiry date | Aug 9, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N13/363
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A display device includes an image display unit that displays a first alert image in response to an alert at a first level, an image projection unit that displays a second alert image in response to an alert at a second level. The second image display unit overlaps the first image display unit. The first alert image appears at a position different from a surface of the second image display unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.