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:
Apr. 18, 1978
Filed:
Jan. 24, 1977
Koichi Takahashi, Odawara, JA;
Kinichiro Narita, Chigasaki, JA;
Akiyasu Kagami, Ninomiya, JA;
Takashi Hase, Fujisawa, JA;
Yoshiyuki Mimura, Chigasaki, JA;
Yoshinori Tanigami, Odawara, JA;
Junro Koike, Machida, JA;
Ryuya Toyonaga, Ebina, JA;
Takehiro Kojima, Kawasaki, JA;
Dai Nippon Toryo Co., Ltd., Osaka, JA;
Nippon Hoso Kyokai, Tokyo, JA;
Abstract
In an air-tight at least partially transparent container, a phosphor, a gas or gas mixture and a pair of discharging electrodes are contained. The discharge gap is in the range of 0.1 to 3.0mm, and the pressure of the gas or gas mixture sealed in the container is such that the product of the pressure and the discharge gap is in the range of 30 to 300 Torr.mm. The gas or gas mixture has discharge radiation spectra within the region of wavelength shorter than 200nm. The phosphor is a manganese activated aluminate phosphor represented by the formula