US 11,749,790 B2
Segmented LED with embedded transistors
Ashish Tandon, Sunnyvale, CA (US); Luke Gordon, Santa Barbara, CA (US); and Yu-Chen Shen, Sunnyvale, CA (US)
Assigned to Lumileds LLC, San Jose, CA (US)
Filed by Lumileds LLC, San Jose, CA (US)
Filed on Dec. 19, 2018, as Appl. No. 16/225,934.
Claims priority of provisional application 62/608,295, filed on Dec. 20, 2017.
Claims priority of application No. 18155455 (EP), filed on Feb. 7, 2018.
Prior Publication US 2019/0189879 A1, Jun. 20, 2019
Int. Cl. H01L 33/62 (2010.01); H01L 33/44 (2010.01); H01L 27/15 (2006.01)
CPC H01L 33/62 (2013.01) [H01L 27/156 (2013.01); H01L 33/44 (2013.01); H01L 2933/0066 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A device comprising:
a substrate;
one or more epitaxial layers on the substrate;
a first transistor embedded in a first region of the substrate; and
a second transistor embedded in a second region of the substrate, the first region and the second region separated by a trench extending entirely through the substrate and through one or more portions of the one or more epitaxial layers.