Bi-direction liquid crystal projection television set
US5812222A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 14, 1996 |
| Grant date | Sep 22, 1998 |
| Priority date | — |
| Expiry date | Jun 14, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/3147
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A rear-type liquid crystal projection television set according to the present invention comprises a dichroic mirror which receives color light to which electrical video signal is applied, reflects and transmits the received color light through cells having a light reflection characteristic and cells having a light transmission characteristic, a first screen for receiving the color light reflected by the dichroic mirror means and displaying the received color light as an image, and a second screen for receiving the color light transmitted by the dichroic mirror means and displaying the received color light as an image. A dichroic mirror consisted of cells includes the reflection and transmission of the same color light, and thereby to allow viewers to view the same image of the television set in different directions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.