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, 2026
Filed:
Jul. 04, 2023
Signify Holding B.v., Eindhoven, NL;
Olexandr Valentynovych Vdovin, Maarheeze, NL;
Martinus Petrus Joseph Peeters, Weert, NL;
SIGNIFY HOLDING B.V., Eindhoven, NL;
Abstract
The invention provides a light generating system () comprising a first light generating device (), a second light generating device (), a luminescent material (), a first optical element (), and a control system (), wherein: the first light generating device () is configured to generate blue first device light (), wherein the first light generating device () comprises one or more of a laser diode and a superluminescent diode; wherein the second light generating device () is configured to generate red second device light (), wherein the second light generating device () comprises one or more of a laser diode and a superluminescent diode; the luminescent material () is configured downstream of the first light generating device (), wherein the luminescent material () is configured to convert at least part of the first device light () into luminescent material light () having one or more wavelengths in the green-yellow wavelength range; the first optical element () is configured in a light receiving relationship with the first light generating device () and the luminescent material (); wherein (i) the first optical element () has a controllable wavelength dependent transmission in the blue wavelength range, and/or (ii) the first optical element () has a controllable wavelength dependent reflection in the blue wavelength range; the light generating system () is configured to generate system light () comprising one or more of the first device light (), the second device light (), and the luminescent material light (); and the control system () is configured to control a spectral power distribution of the system light () by controlling the first optical element (), wherein the control system () is configured to control the correlated color temperature of the system light () at a value selected from the range of 1800-6500 K, wherein the correlated color temperature of the system light () is controllable over a CCT control range of at least 250 K within the range of 1800-6500 K.
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