Display device and touch input system including the same
US11803256B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 18, 2022 |
| Grant date | Oct 31, 2023 |
| Priority date | — |
| Expiry date | Mar 18, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K59/126
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A display device includes a display layer, a plurality of touch electrodes, a light shield, and a code pattern. The display layer includes a plurality of light emission areas for emitting light. The plurality of touch electrodes are disposed on the display layer to sense a touch and surround the plurality of light emission areas. The light-shield is disposed on a portion of the plurality of touch electrodes. The code pattern is determined by a planar shape of the light-shield to have position information. The light-shield absorbs light of a specific wavelength, and another portion of the touch electrodes, which is not overlapped with the light-shield, reflects light of the specific wavelength.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.