Patent · US Active

Display apparatus having touch screen function

US8508488B2 · kind B2 · utility

2Cited by
8References
32Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 8, 2008
Grant dateAug 13, 2013
Priority date
Expiry dateOct 15, 2031

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01J11/12
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A display device includes: a display panel including a first region having a plurality of display cells for displaying an image, and a second region at least partly surrounding the first region, the second region including a plurality of light generation cells for generating light, different from the image, to be detected for touch position sensing; and a pair of cameras located at or near a periphery of the display panel, aligned with respective crossing directions across the display panel, and oriented to detect the light generated by the light generation cells.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.