Display apparatus with optical input function
US7924273B2 · kind B2 · utility
2Cited by
2References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 5, 2007 |
| Grant date | Apr 12, 2011 |
| Priority date | — |
| Expiry date | Oct 29, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/042
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
In making a contact determination between an object and a display screen, a display apparatus of the present invention is capable of adjusting a region on which to make a contact determination in response to the displayed image in a liquid crystal panel, so that the influence by the displayed image can be suppressed. Moreover, for simplifying the contact determination process, the display apparatus sets solid a region in the picked-up image that is not a target of the contact determination, with a predetermined gradation value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.