US 12,372,210 B2
Full spectrum white light emitting devices
Xianglong Yuan, Manteca, CA (US); and Yi-Qun Li, Danville, CA (US)
Assigned to Bridgelux, Inc., Fremont, CA (US)
Filed by Bridgelux, Inc., Fremont, CA (US)
Filed on Mar. 19, 2024, as Appl. No. 18/609,774.
Application 18/609,774 is a continuation of application No. 17/973,530, filed on Oct. 25, 2022, granted, now 11,933,461, issued on Mar. 19, 2024.
Application 17/973,530 is a continuation of application No. 16/954,925, granted, now 11,480,308, issued on Oct. 25, 2022, previously published as PCT/IB2019/001003, filed on Jun. 25, 2019.
Application 17/973,530 is a continuation of application No. 16/212,687, filed on Dec. 7, 2018, granted, now 10,371,325, issued on Aug. 6, 2019.
Application PCT/IB2019/001003 is a continuation of application No. 16/207,039, filed on Nov. 30, 2018, abandoned.
Claims priority of provisional application 62/689,538, filed on Jun. 25, 2018.
Prior Publication US 2024/0401758 A1, Dec. 5, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. F21K 9/64 (2016.01); F21V 15/01 (2006.01); F21Y 115/10 (2016.01); H01L 25/075 (2006.01); H10H 20/812 (2025.01); H10H 20/851 (2025.01); H10H 20/853 (2025.01); H10H 20/857 (2025.01); F21Y 105/10 (2016.01); F21Y 113/13 (2016.01)
CPC F21K 9/64 (2016.08) [F21V 15/01 (2013.01); H01L 25/0753 (2013.01); H10H 20/812 (2025.01); H10H 20/8515 (2025.01); H10H 20/853 (2025.01); H10H 20/857 (2025.01); F21Y 2105/10 (2016.08); F21Y 2113/13 (2016.08); F21Y 2115/10 (2016.08); H10H 20/8512 (2025.01)] 20 Claims
OG exemplary drawing
 
1. A light emitting device comprising:
a broadband solid-state excitation source for generating broadband light having a dominant wavelength in a range from 420 nm to 480 nm; and
at least one photoluminescence material for generating light with a peak emission wavelength from 490 nm to 680 nm,
wherein the device is for generating light with each of CRI color test samples R1 to R15 of at least 90.