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Patent Searching and Data


Title:
RESIN COMPOSITION AND FILTER FOR CORRECTING ILLUMINANCE SENSOR PRODUCED BY FORMING THE COMPOSITION
Document Type and Number:
Japanese Patent JP3899791
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To reduce the labor for the production of a filter for correcting a illuminance sensor.
SOLUTION: The objective filter is produced by directly adding a near- infrared absorbing agent containing a copper compound and a yellow dye to a transparent resin material in a manner to obtain the filter meeting the standard luminous efficiency.


Inventors:
Katsumi Watanabe
Application Number:
JP2000258059A
Publication Date:
March 28, 2007
Filing Date:
August 28, 2000
Export Citation:
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Assignee:
MATSUSHITA ELECTRIC WORKS,LTD.
International Classes:
C08L101/00; G02B5/00; C08F2/44; C08F30/02; C08J5/00; C08K5/00; C08K5/098; C08L43/02; G02B5/22; C08F290/06; (IPC1-7): C08L101/00; C08F2/44; C08F30/02; C08J5/00; C08K5/00; C08K5/098; C08L43/02; G02B5/00; G02B5/22; //C08F290/06
Domestic Patent References:
JP2000098130A
JP10221523A
JP10228004A
JP2000143842A
Attorney, Agent or Firm:
Junji Ando