Display device and sensing system including the same
US12310185B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 28, 2022 |
| Grant date | May 20, 2025 |
| Priority date | — |
| Expiry date | Oct 13, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K59/40
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Provided is a display device comprising a first substrate, a thin film transistor layer disposed on the first substrate and including a plurality of thin film transistors, a pixel defining layer disposed on the thin film transistor layer and defining a plurality of emission areas, a pixel electrode disposed in each of the emission areas on the thin film transistor layer, a plurality of spacers disposed on the pixel defining layer and distinguished from the pixel defining layer and the pixel electrode with respect to light of a specific wavelength, a touch electrode disposed on the plurality of spacers and configured to receive an input from an outside, and a code pattern having position information determined by a planar shape of each of the plurality of spacers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.