Patent · US Active

Pigment dispersion and method for preparing same

US9376587B2 · kind B2 · utility

0Cited by

1References

9Claims

0Family size

Assignee

BOE Technology Group Co., Ltd. · CN

Inventors

Xuelan Wang · Beijing, CN
Chen Liu · Beijing, CN
Jisheng Zhao · Beijing, CN
Wenwen Sun · Beijing, CN

Key dates

Filing date	Dec 21, 2012
Grant date	Jun 28, 2016
Priority date	—
Expiry date	Sep 28, 2033

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09D163/00
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A pigment dispersion and a method for preparing the same are provided. The pigment dispersion comprises the following components in the following mass percentage: 10%˜20% pigment, 1.5%˜12% dispersant, 0.75%˜7.5% binder resin, 58.5%˜87.3% solvent and 0.45%˜2% nonionic surfactant, based on the total mass of the pigment dispersion. The pigment dispersion is improved in stability, and is applicable to a colored filter.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.