US 12,170,271 B2
Embedded optical sensors in a micro-led display
Xiaofan Niu, San Jose, CA (US); Sunggu Kang, San Jose, CA (US); Mohammad Yeke Yazdandoost, Santa Clara, CA (US); Giovanni Gozzini, Berkeley, CA (US); Xia Li, San Jose, CA (US); Oray O. Cellek, Los Altos, CA (US); Sandeep Chalasani, San Jose, CA (US); Steven E. Molesa, San Jose, CA (US); and Jaein Choi, San Jose, CA (US)
Assigned to Apple Inc., Cupertino, CA (US)
Filed by Apple Inc., Cupertino, CA (US)
Filed on Aug. 10, 2021, as Appl. No. 17/398,952.
Claims priority of provisional application 63/073,885, filed on Sep. 2, 2020.
Prior Publication US 2022/0068900 A1, Mar. 3, 2022
Int. Cl. H01L 25/16 (2023.01); G09G 3/32 (2016.01)
CPC H01L 25/167 (2013.01) [G09G 3/32 (2013.01); G09G 2300/0452 (2013.01); G09G 2360/144 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A micro-light-emitting diode (LED) display comprising:
a plurality of micro-LED pixel elements;
a plurality of optical sensors integrated with the plurality of micro-LED pixel elements;
a transparent conductor layer disposed over the plurality of micro-LED pixel elements and the plurality of optical sensors; and
a plurality of collimators, wherein a collimator of the plurality of collimators is formed of one or more pinholes.