Bidirectional display device and method of controlling same
US11127374B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 19, 2019 |
| Grant date | Sep 21, 2021 |
| Priority date | — |
| Expiry date | Jun 19, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/90
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A bidirectional display device may include: a first transparent display panel outputting a first image in a first direction and transmitting light reflected in a second direction that is an opposite direction of the first direction; a first transparent light panel disposed behind the first transparent display panel and providing light to the first transparent display panel; a transmittance control panel disposed behind the first transparent light panel; a second transparent display panel outputting a second image in the second direction and transmitting light reflected in the first direction; a second transparent light panel disposed between the transmittance control panel and the second transparent display panel and providing light to the second transparent display panel; a transmittance controller and controlling transmittance of at least one object included in the first image or the second image; and an image output controller controlling output of the first image and the second image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.