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:
Jan. 13, 2004
Filed:
Dec. 30, 1999
Applicant:
Inventor:
Hideaki Hanaoka, Kanagawa, JP;
Assignee:
Sony Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/64 ;
U.S. Cl.
CPC ...
H04N 5/64 ;
Abstract
A filter for a display device capable of preventing a reduction of the contrast of a display screen which occurs when the mechanical strength of the CRT is strengthened and the panel glass is made thinner or when an antireflection film is formed, including a filter substrate and an adhesive layer formed on an adhering surface of the filter substrate to the display panel and having a function of adjusting a transmittance of visible light to a predetermined value and a display device using the same.