Composition, light shielding film, solid-state imaging element, image display device, and method for manufacturing cured film
US12038688B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 29, 2022 |
| Grant date | Jul 16, 2024 |
| Priority date | — |
| Expiry date | Oct 1, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03F7/105
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A composition with which a cured film having excellent light shielding properties and low reflection properties can be produced is provided; a light shielding film; a solid-state imaging element; an image display device; and a method for manufacturing a cured film. The composition including carbon black, barium sulfate, one or more kinds selected from the group consisting of copper phthalocyanine and a copper phthalocyanine derivative, a resin, and a solvent, in which the solvent includes a solvent A having a boiling point of 180° C. or higher, a solvent B having a boiling point of 140° C. or higher and lower than 180° ° C., and a solvent C having a boiling point of 100° C. or higher and lower than 140° C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.