US 12,123,767 B2
Light sensor
Che-Yi Lai, Taoyuan (TW); Chun-Ming Shen, Taoyuan (TW); Chin-Kuei Lee, Taoyuan (TW); and Chih-Chia Chen, Taoyuan (TW)
Assigned to Qisda Corporation, Taoyuan (TW)
Filed by Qisda Corporation, Taoyuan (TW)
Filed on Jun. 6, 2022, as Appl. No. 17/832,774.
Claims priority of application No. 202210424314.9 (CN), filed on Apr. 21, 2022.
Prior Publication US 2023/0341257 A1, Oct. 26, 2023
Int. Cl. G01J 1/04 (2006.01); G01J 1/42 (2006.01); G02B 6/42 (2006.01)
CPC G01J 1/0422 (2013.01) [G01J 1/4204 (2013.01); G02B 6/4203 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A light sensor, comprising:
an optoelectronic device; and
a light guide element having a first light incident surface, a second light incident surface separated from the first light incident surface and a light exit surface, so as to allow an incident light to enter the light guide element from the first light incident surface and the second light incident surface, and then exit to the optoelectronic device from the light exit surface; wherein at least one of the light incident surface and the light exit surface has a single curved surface;
wherein the light guide element comprises a body, a first connection portion and a second connection portion separated from each other and respectively extending form the body to define the first light incident surface and the second light incident surface.