Display device and method for measuring luminance profile thereof
US11295644B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 25, 2020 |
| Grant date | Apr 5, 2022 |
| Priority date | — |
| Expiry date | Nov 25, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2360/16
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method for measuring a luminance profile of a display device including pixels divided into blocks, includes: measuring a first reference luminance profile when a partial area of each of the blocks is in a display state and a remaining area of each of the blocks is in a non-display state; measuring a first luminance profile when an entire area of a first block among the blocks is in the display state, the partial area of each of remaining blocks is in the display state, and the remaining area of each of the remaining blocks is in the non-display state; and measuring a second luminance profile when an entire area of a second block among the blocks is in the display state, the partial area of each of remaining blocks is in the display state, and the remaining area of each of the remaining blocks is in the non-display state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.