Light emitting device and display apparatus
US11562710B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | May 13, 2019 |
| Grant date | Jan 24, 2023 |
| Priority date | — |
| Expiry date | Nov 15, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2360/145
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present disclosure provides a light emitting device and a display apparatus, The light emitting device includes a substrate, and a first electrode, a light emitting layer and a second electrode which are sequentially disposed on the substrate, an electrochromic substrate is disposed on the second electrode; the light emitting device further includes a chromaticity instrument, a processor, and a driver; the chromaticity instrument is configured to acquire chromaticity of light emitted by the light emitting device; the processor is configured to calculate compensated chromaticity for the light emitted by the light emitting device according to the chromaticity of the light emitted by the light emitting device acquired by the chromaticity instrument, and calculate an electrical signal according to the compensated chromaticity for the light emitted by the light emitting device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.