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:
Nov. 11, 1997
Filed:
Dec. 06, 1996
Applicant:
Inventor:
Heon-soo Kim, Seoul, KR;
Assignee:
Samsung Electron Devices Co., Ltd., Kyungki-do, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
313112 ; 313110 ;
Abstract
A cathode ray tube which emits harmful electromagnetic waves includes far-infrared emitting material which emits far-infrared rays which reduce the harmful effects of electromagnetic waves. The far-infrared emitting cathode ray tube is obtained by including far-infrared emitting material in at least one of a phosphor layer, a black matrix, an outer graphite layer, and a shadow mask. This far-infrared emitting cathode ray tube provides a user favorable work place by reducing the harmful effects of electromagnetic waves.