Image display unit and method of detecting object
US8907928B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 30, 2008 |
| Grant date | Dec 9, 2014 |
| Priority date | — |
| Expiry date | Apr 6, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K59/38
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image display unit and a method of detecting an object which are capable of reliably detecting an object with a simple structure irrespective of use conditions are provided. Invisible light is emitted from a screen of a display portion. The invisible light reflected from a target object which comes in contact with or close to the screen is received on the screen. On the basis of the received invisible light, the target object is detected. Thus, the target object can be reliably detected without influence of the display state of the display portion, and influence of use conditions such as surrounding circumstances (the case where it is bright or dark). Moreover, for example, it is not necessary to separately arrange a component such as a touch panel, so the image display unit can be achieved with a simple structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.