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. 03, 2023
Filed:
Jan. 16, 2020
Applicant:
Konica Minolta, Inc., Tokyo, JP;
Inventors:
Mio Watanabe, Hino, JP;
Kenichi Tabata, Inagi, JP;
Ryo Nakabayashi, Hachioji, JP;
Yasuo Miyata, Yokohama, JP;
Assignee:
KONICA MINOLTA, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/22 (2006.01); G06V 40/10 (2022.01); H10K 50/12 (2023.01); G06F 1/16 (2006.01);
U.S. Cl.
CPC ...
G02B 5/223 (2013.01); G06F 1/163 (2013.01); G06V 40/10 (2022.01); H10K 50/12 (2023.02); G06V 40/117 (2022.01);
Abstract
Disclosed is a wavelength conversion film including at least two or more dyes and absorbing irradiation light to emit light at a longer wavelength than that of the irradiation light. The wavelength conversion film includes a first dye having a maximum absorption wavelength in a red light region, and a second dye absorbing excitation energy of the first dye to emit light in a near infrared region.