US 12,010,413 B2
Optical engine with multiple light sources and package structure thereof
Yen-Hung Wang, Hsin-Chu County (TW); Wen-Yen Su, Hsin-Chu County (TW); Hui-Hsuan Chen, Hsin-Chu County (TW); and Hung-Yu Lai, Hsin-Chu County (TW)
Assigned to PIXART IMAGING INC., Hsin-Chu County (TW)
Filed by PIXART IMAGING INC., Hsin-Chu County (TW)
Filed on Jun. 15, 2022, as Appl. No. 17/841,582.
Application 17/841,582 is a continuation in part of application No. 17/375,035, filed on Jul. 14, 2021, granted, now 11,595,554.
Application 17/375,035 is a continuation of application No. 16/547,568, filed on Aug. 22, 2019, granted, now 11,095,799, issued on Aug. 17, 2021.
Claims priority of provisional application 63/235,823, filed on Aug. 23, 2021.
Claims priority of provisional application 62/756,110, filed on Nov. 6, 2018.
Prior Publication US 2022/0311915 A1, Sep. 29, 2022
Int. Cl. H04N 23/54 (2023.01); G05D 1/00 (2006.01); H04N 23/55 (2023.01); H04N 23/56 (2023.01)
CPC H04N 23/54 (2023.01) [G05D 1/0246 (2013.01); H04N 23/55 (2023.01); H04N 23/56 (2023.01)] 19 Claims
OG exemplary drawing
 
1. An optical engine, comprising:
a package structure, comprising:
a light containing structure, having a light source contain space;
an optical carrier structure, having a lens contain space;
a chip containing structure, having a chip contain space; and
a filter sidewall, arranged above the chip contain space;
a first light source, arranged in the light source contain space;
a second light source, arranged in the chip contain space;
a lens, arranged in the lens contain space; and
an image sensor, arranged in the chip contain space, wherein
the filter sidewall is opaque to a first wavelength of the first light source but transparent to a second wavelength of the second light source, and
the lens is opaque to the second wavelength but transparent to the first wavelength.