Image display apparatus having a light guide unit refracting incident light from a screen to a sensor
US9074929B2 · kind B2 · utility
1Cited by
1References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 18, 2012 |
| Grant date | Jul 7, 2015 |
| Priority date | — |
| Expiry date | Aug 28, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2360/145
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An image display apparatus according to the present invention, comprises: a display panel displaying an image on a screen; and a photometric unit measuring light incident from the screen, wherein the photometric unit includes: a sensor measuring the incident light; and a light guide unit refracting the incident light and guiding the refracted light to the sensor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.