Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
NEAR-INFRARED ABSORBING COMPOSITION AND OPTICAL FILTER
Document Type and Number:
Japanese Patent JP2023085680
Kind Code:
A
Abstract:
To provide: a near-infrared absorbing composition with high transmittance in a specific region of near-infrared rays (900 nm to 1200 nm), excellent near-infrared cut ability from 700 nm to 800 nm, and good dispersion stability, light resistance and heat resistance; and an optical filter.SOLUTION: A near-infrared absorbing composition contains a near-infrared absorbing pigment (A) represented by general formula (1) in the figure, and a green pigment (G) represented by a specific general formula.SELECTED DRAWING: Figure 1

Inventors:
ORIHARA YUYA
CHIBA YUMIKA
HIRASA YOSHIYUKI
TAGAWA FUMINA
Application Number:
JP2021199851A
Publication Date:
June 21, 2023
Filing Date:
December 09, 2021
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
TOYO INK SC HOLDINGS CO LTD
International Classes:
G02B5/22; C09B67/20; C09B67/22; C09D5/32; C09D7/41; C09D201/00



 
Previous Patent: can body

Next Patent: filament lamp, light heating device