Colour film substrate and manufacturing method therefor, and display panel
US11029555B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | May 14, 2018 |
| Grant date | Jun 8, 2021 |
| Priority date | — |
| Expiry date | Sep 25, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03F7/40
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A color filter (CF) substrate, a manufacturing method thereof and a display panel are provided. The manufacturing method of the substrate includes: providing a base substrate; and forming a black matrix layer and a plurality of first sub-pixel units on the base substrate, wherein the black matrix layer and the plurality of first sub-pixel units are made of photoresist of a same material, the material of the photoresist includes an irreversible thermochromic pigment, the photoresist is changed into black color upon being heated, and a color of the photoresist before color change is the same as a color of the first sub-pixel units.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.