Display device and position input system including the same
US11847285B2 · kind B2 · utility
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23Claims
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Key dates
| Filing date | Nov 17, 2022 |
| Grant date | Dec 19, 2023 |
| Priority date | — |
| Expiry date | Nov 17, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K59/123
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A display device includes a pixel having a plurality of emission areas, a plurality of touch electrodes disposed between the plurality of emission areas to sense a touch, a plurality of position code patterns covering a partial front surface of at least one of the plurality of touch electrodes in a preset code shape, and a light blocking pattern disposed on front surfaces of the plurality of touch electrodes on which the plurality of position code patterns are not formed. A width or size of the plurality of position code patterns is greater than a width or size of the light blocking pattern.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.