Texture image acquisition method, texture image acquisition circuit and display panel
US11314961B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jun 12, 2019 |
| Grant date | Apr 26, 2022 |
| Priority date | — |
| Expiry date | Oct 27, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N25/70
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A texture image acquisition method, a texture image acquisition circuit and a display panel are provided. The texture image acquisition circuit includes a photosensitive circuit, the texture image acquisition method includes: allowing the photosensitive circuit to receive light from a texture, and obtaining a first curve based on a signal amount accumulated by the photosensitive circuit within a first integral time period, the first curve being a time-varying curve of a residual signal amount which is a signal amount remaining after a signal amount, left over by the photosensitive circuit before the first integral time period, is released over time; obtaining a first acquisition value based on a signal amount accumulated by the photosensitive circuit within a second integral time period which is after the first integral time period; obtaining a first photosensitive signal of an image of the texture; based on the first curve and the first acquisition value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.