Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
NEAR INFRARED ABSORBENT, NEAR INFRARED ABSORBING COMPOSITION, NEAR INFRARED CUT FILTER USING THEM AND METHOD FOR MANUFACTURING THE SAME, AND METHOD FOR PRODUCING NEAR INFRARED ABSORBENT
Document Type and Number:
Japanese Patent JP2014041213
Kind Code:
A
Abstract:

To provide a highly soluble near infrared absorbent.

A near infrared absorbing composition comprises; a near infrared absorbent containing a phosphate ester copper complex obtained by reacting a copper salt with a compound represented by a formula (1) below and/or a compound represented by a formula (2) below; and a solvent. Concentration of the phosphate ester copper complex in the near infrared absorbing composition is 10-80 mass%. (Each R in the formula (1) and (2) is an organic group having a carbon number of 3 or more. Rs in the formula (2) may be bonded together to form a ring structure, in which case the total number of carbon atoms in a group containing the bonded ring structure is 3 or more.)


Inventors:
HITOMI SEIICHI
PARK XING WU
Application Number:
JP2012182669A
Publication Date:
March 06, 2014
Filing Date:
August 21, 2012
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
FUJIFILM CORP
International Classes:
G02B5/22; C09D7/48; G03B11/00; G03B17/02; H01L27/14; H04N5/225; H04N5/335
Attorney, Agent or Firm:
Patent Service Corporation Patent Office Sykes