The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 14, 2023
Filed:
Jul. 29, 2020
Applicant:
Merck Patent Gmbh, Darmstadt, DE;
Inventors:
Assignee:
MERCK PATENT GMBH, Darmstadt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/038 (2006.01); G03F 7/075 (2006.01); G03F 7/30 (2006.01); G03F 7/00 (2006.01); G03F 7/105 (2006.01); G03F 7/20 (2006.01);
U.S. Cl.
CPC ...
G03F 7/0388 (2013.01); G03F 7/0007 (2013.01); G03F 7/0758 (2013.01); G03F 7/105 (2013.01); G03F 7/20 (2013.01);
Abstract
[Problem] To provide a negative type photosensitive composition which is capable of forming a cured film having high resolution and high light shielding properties. [Means for Solution] A negative type photosensitive composition comprising (I) an alkali-soluble resin, (II) a black colorant, (III) a polymerization initiator, and (IV) a solvent, wherein the black colorant (II) has a transmittance ratio represented by [transmittance at the wavelength of 365 nm]/[transmittance at the wavelength of 500 nm] of 1.2 more.