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:
Jun. 02, 2020
Filed:
Jun. 18, 2019
Applicants:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Materials Co., Ltd., Yokohama-Shi, JP;
Inventors:
Assignees:
Kabushiki Kaisha Toshiba, Minato-Ku, JP;
Toshiba Materials Co., Ltd., Yokohama-Shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 7/24 (2006.01); H01J 19/74 (2006.01); H05B 45/10 (2020.01); H05B 45/20 (2020.01); H05B 47/10 (2020.01); H05B 47/16 (2020.01); F21S 2/00 (2016.01); H01L 33/00 (2010.01); H01L 33/50 (2010.01); H01L 25/075 (2006.01); H01L 33/54 (2010.01); H01L 33/56 (2010.01); F21W 131/405 (2006.01); F21Y 115/10 (2016.01); F21Y 113/13 (2016.01);
U.S. Cl.
CPC ...
H05B 45/10 (2020.01); F21S 2/00 (2013.01); H01L 25/0753 (2013.01); H01L 33/00 (2013.01); H01L 33/50 (2013.01); H01L 33/504 (2013.01); H01L 33/507 (2013.01); H01L 33/54 (2013.01); H01L 33/56 (2013.01); H05B 45/20 (2020.01); H05B 47/10 (2020.01); H05B 47/16 (2020.01); F21W 2131/405 (2013.01); F21Y 2113/13 (2016.08); F21Y 2115/10 (2016.08);
Abstract
According to one embodiment, there is provided a white light source system. P(λ), B(λ) and V(λ) satisfy an equation (1) below in a wavelength range of 380 nm to 780 nm. The white light source system satisfies an expression (2) below in a wavelength range of 400 nm to 495 nm:∫(λ)(λ)(λ)(λ)  (1)(λ)/(λ)≤1.8.  (2)