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. 14, 2017
Filed:
Apr. 14, 2015
Sharp Kabushiki Kaisha, Sakai, Osaka, JP;
Masaki Kondoh, Sakai, JP;
Tomokazu Nada, Sakai, JP;
Toshio Hata, Sakai, JP;
Hideshi Koizumi, Sakai, JP;
SHARP KABUSHIKI KAISHA, Sakai, Osaka, JP;
Abstract
The color purities of blue-green light and yellow or yellow-green light are enhanced. A light emitting device () configured to emit at least blue-green light and yellow or yellow-green light includes a substrate (), an LED chip group, and a sealing resin part () collectively sealing the LED chip group, wherein the LED chip group at least includes a green LED chip (GB), a green LED chip (GY), a blue LED chip (B), and a red LED chip (R), and the green LED chip (GB) has a dominant wavelength shorter than a dominant wavelength of the green LED chip (GY).