US 11,658,465 B1
Mobile device including laser-pumped phosphor light source
Angelo M. Alaimo, San Francisco, CA (US); Richard L. Baer, Los Altos, CA (US); Garam Young, Sunnyvale, CA (US); Florian R. Fournier, Cupertino, CA (US); Blake M. Coughenour, Sunnyvale, CA (US); and Bryan Dang, Mountain View, CA (US)
Assigned to Apple Inc., Cupertino, CA (US)
Filed by Apple Inc., Cupertino, CA (US)
Filed on Jun. 22, 2020, as Appl. No. 16/908,339.
Claims priority of provisional application 62/865,904, filed on Jun. 24, 2019.
Int. Cl. H01S 5/323 (2006.01); H01S 5/00 (2006.01); H04N 23/56 (2023.01); H04N 23/74 (2023.01)
CPC H01S 5/323 (2013.01) [H01S 5/0087 (2021.01); H04N 23/56 (2023.01); H04N 23/74 (2023.01)] 19 Claims
OG exemplary drawing
1. A mobile device, comprising:
a camera embedded in the mobile device; and a light source module embedded in the mobile device, the light source module comprising at least:
a laser-pumped phosphor light source, the laser-pumped phosphor light source comprising:
a photoluminescent phosphor; and
a laser diode to generate laser light within a first wavelength range to pump the photoluminescent phosphor,
wherein exposure of the photoluminescent phosphor to the laser light results in emission of visible light within a second wavelength range according to a laser-pumped emission spectrum associated with the photoluminescent phosphor; and
one or more additional light sources,
wherein the light source module is configurable to vary a ratio of brightness between the laser-pumped phosphor light source and the one or more additional light sources having at least one emission wavelength range different than the second wavelength range to generate a tunable color.