US 12,272,302 B2
Display, display fabrication method, and electronic device
Wen Wu, Dongguan (CN)
Assigned to VIVO MOBILE COMMUNICATION CO., LTD., Dongguan (CN)
Filed by VIVO MOBILE COMMUNICATION CO., LTD., Dongguan (CN)
Filed on Jul. 27, 2023, as Appl. No. 18/226,820.
Application 18/226,820 is a continuation of application No. PCT/CN2022/073795, filed on Jan. 25, 2022.
Claims priority of application No. 202110117121.4 (CN), filed on Jan. 28, 2021.
Prior Publication US 2023/0368729 A1, Nov. 16, 2023
Int. Cl. G09G 3/3208 (2016.01); G06V 40/13 (2022.01); H10K 39/34 (2023.01); H10K 50/11 (2023.01); H10K 50/14 (2023.01); H10K 59/65 (2023.01)
CPC G09G 3/3208 (2013.01) [H10K 50/11 (2023.02); H10K 50/14 (2023.02); G06V 40/1318 (2022.01); H10K 39/34 (2023.02); H10K 59/65 (2023.02)] 14 Claims
OG exemplary drawing
 
1. A display, comprising a light-emitting layer,
wherein:
the light-emitting layer comprises a fingerprint display region,
the fingerprint display region comprises a first visible light-emitting unit and an infrared light-emitting unit, wherein a turn-on voltage of the infrared light-emitting unit is lower than a turn-on voltage of the first visible light-emitting unit, so that when an input voltage to the first visible light-emitting unit and the infrared light-emitting unit is higher than or equal to the turn-on voltage of the infrared light-emitting unit but is lower than the turn-on voltage of the first visible light-emitting unit, the infrared light-emitting unit is turned on and the first visible light-emitting unit is turned off,
the first visible light-emitting unit is superposed on the infrared light-emitting unit, and
the first visible light-emitting unit is disposed on a side, close to a display surface of the display, of the infrared light-emitting unit.