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. 06, 2021
Filed:
Jan. 28, 2020
Intematix Corporation, Fremont, CA (US);
Xianglong Yuan, Manteca, CA (US);
Yi-Qun Li, Danville, CA (US);
Intematix Corporation, Fremont, CA (US);
Abstract
A white light emitting device includes a solid-state excitation source operable to generate excitation light having a dominant wavelength ranging from 440 nm to 455 nm; a first photoluminescence material which generates light having a peak emission wavelength ranging from 500 nm to 530 nm; and a second photoluminescence material which generates light having a peak emission wavelength ranging from 640 nm to 690 nm, where the device is operable to generate white light with an IEC TM-30 Gamut Index Rranging from 105 to 115. The device can be operable to generate white light having an IEC TM-30 Fidelity Index Rwhich ranges from 85 to 95 and a sum of Gamut Index Rand fidelity index Ris greater than or equal to 195 and less than or equal to 200.