Display panel
US11574964B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 24, 2021 |
| Grant date | Feb 7, 2023 |
| Priority date | — |
| Expiry date | Sep 2, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K59/873
Abstract
According to one aspect of the invention, a display panel, includes: a first layer; a light control member disposed on the first layer, the light control member including a light converting element to initiate a change in wavelength of a first light to be emitted from the first layer; and a filter disposed on the light control member, the filter including a photochromic compound having a conjugation bond reversibly elongatable by absorbable light in a wavelength region of the first light to allow selective transmission of light in a wavelength region of about 480 nm or longer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.