US 11,715,730 B2
Direct-bonded LED arrays including optical elements configured to transmit optical signals from LED elements
Min Tao, San Jose, CA (US); Liang Wang, Milpitas, CA (US); Rajesh Katkar, Milpitas, CA (US); and Cyprian Emeka Uzoh, San Jose, CA (US)
Assigned to ADEIA SEMICONDUCTOR TECHNOLOGIES LLC, San Jose, CA (US)
Filed by ADEIA SEMICONDUCTOR TECHNOLOGIES LLC, San Jose, CA (US)
Filed on May 21, 2021, as Appl. No. 17/327,169.
Application 17/327,169 is a continuation of application No. 16/840,245, filed on Apr. 3, 2020, granted, now 11,329,034.
Application 16/840,245 is a continuation of application No. 15/919,570, filed on Mar. 13, 2018, granted, now 10,629,577, issued on Apr. 21, 2020.
Claims priority of provisional application 62/472,363, filed on Mar. 16, 2017.
Prior Publication US 2021/0288037 A1, Sep. 16, 2021
Int. Cl. H01L 25/16 (2023.01); H01L 33/00 (2010.01); H01L 25/10 (2006.01); H01L 27/12 (2006.01); H01L 27/15 (2006.01); H01L 25/18 (2023.01); H01L 21/321 (2006.01); H01L 21/02 (2006.01); H01L 23/00 (2006.01); H01L 33/06 (2010.01); H01L 33/32 (2010.01); H01L 33/44 (2010.01); H01L 33/46 (2010.01); H01L 33/62 (2010.01)
CPC H01L 25/167 (2013.01) [H01L 21/02118 (2013.01); H01L 21/3212 (2013.01); H01L 24/08 (2013.01); H01L 24/80 (2013.01); H01L 25/105 (2013.01); H01L 25/18 (2013.01); H01L 27/1214 (2013.01); H01L 27/156 (2013.01); H01L 33/007 (2013.01); H01L 33/0093 (2020.05); H01L 33/06 (2013.01); H01L 33/32 (2013.01); H01L 33/44 (2013.01); H01L 33/46 (2013.01); H01L 33/62 (2013.01); H01L 2224/08145 (2013.01); H01L 2224/80013 (2013.01); H01L 2224/80355 (2013.01); H01L 2224/80357 (2013.01); H01L 2933/0016 (2013.01); H01L 2933/0025 (2013.01); H01L 2933/0066 (2013.01)] 19 Claims
OG exemplary drawing
 
1. An apparatus comprising:
a substrate;
a light emitting diode (LED) array comprising a plurality of LED elements, wherein the LED array is located on a first side of the substrate;
one or more first optical elements integrated on a second side of the substrate, wherein the one or more first optical elements are configured to transmit optical signals from the plurality of LED elements, and wherein the second side is opposite the first side; and
a complementary metal-oxide-semiconductor (CMOS) based device direct bonded to the LED array.