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:
Jul. 07, 2020
Filed:
Mar. 26, 2019
Canon Kabushiki Kaisha, Tokyo, JP;
Masayuki Abe, Tokyo, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
The wavelength conversion element includes a quantum dot layer containing at least one of quantum dots and quantum rods, the quantum dots and rods converting a first light from a light source into a second light whose wavelength is different from that of the first light, and a fluorescent body layer containing a fluorescent body that converts the first light into a third light whose wavelength is different from that of the first light. The quantum dot layer and the fluorescent body layer are arranged in this order from a light entrance side on which the first light enters the wavelength conversion element or in reverse order. The second light and the third light exit from the quantum dot layer.