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:
Oct. 05, 1999
Filed:
Oct. 22, 1997
Applicant:
Inventors:
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V / ; H01J / ; H01J / ; G02B / ;
U.S. Cl.
CPC ...
252587 ; 252582 ; 359885 ; 313479 ; 313489 ;
Abstract
The present invention provides a plasma display front panel comprising a transparent substrate which is produced by molding a resinous composition containing the following components (a) to (c), and has a 50% or more transmittance of light with a wavelength in the range of 450 nm to 650 nm, and a 30% or less transmittance of light with a wavelength in the range of 800 nm to 1000 nm;