US 12,306,035 B2
Optical sensor assembly and front cover of optical sensor assembly
Chih-Ming Sun, Hsin-Chu County (TW); and Po-Wei Yu, Hsin-Chu County (TW)
Filed by PixArt Imaging Inc., Hsin-Chu County (TW)
Filed on Oct. 13, 2023, as Appl. No. 18/486,176.
Application 18/486,176 is a continuation of application No. 17/669,774, filed on Feb. 11, 2022, granted, now 11,821,785.
Application 17/669,774 is a continuation of application No. 16/951,065, filed on Nov. 18, 2020, granted, now 11,280,670.
Application 16/951,065 is a continuation of application No. 16/458,626, filed on Jul. 1, 2019, granted, now 10,871,394.
Claims priority of provisional application 62/714,132, filed on Aug. 3, 2018.
Prior Publication US 2024/0044700 A1, Feb. 8, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. G01J 1/04 (2006.01); H05K 1/18 (2006.01)
CPC G01J 1/0422 (2013.01) [G01J 1/0411 (2013.01); H05K 1/181 (2013.01); H05K 2201/10121 (2013.01); H05K 2201/10151 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A front cover of an optical sensor assembly, the optical sensor assembly comprising an optical sensor, the front cover comprising:
two wings, protruded in opposite directions;
an optical element, located between the two wings, and configured to condense an incident light of a predetermined wavelength onto the optical sensor; and
at least one alignment peg, located between the optical element and the two wings,
wherein the front cover is made of polypropylene or polyethylene, and
the predetermined wavelength is in a range from 8 micrometers to 12 micrometers.