公开(公告)号：US12123767B2

公开(公告)日：2024-10-22

申请号：US17832774

申请日：2022-06-06

Applicant: Qisda Corporation

Inventor： Che-Yi Lai ,  Chun-Ming Shen ,  Chin-Kuei Lee ,  Chih-Chia Chen

IPC: G01J1/04 ,  G01J1/42 ,  G02B6/42

CPC classification number: G01J1/0422 ,  G01J1/4204 ,  G02B6/4203

Abstract: A light sensor includes an optoelectronic device and a light guide element. The light guide element has a 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 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.

公开(公告)号：US10691004B2

公开(公告)日：2020-06-23

申请号：US16052637

申请日：2018-08-02

Applicant: QISDA CORPORATION

Inventor： Chih-Chia Chen ,  Chun-Ming Shen

IPC: G03B21/14

Abstract: A projector includes a casing, a lens, a bracket, a support member, a first spacer and a first fixing member. The lens is connected to the casing. The bracket is connected to the casing and has a through hole formed thereon. The support member is inserted into the through hole and abuts against the lens. The first spacer is disposed on the support member and has a first curved surface and the first curved surface faces the through hole. The first fixing member is disposed on the support member and pushes the first spacer towards the bracket, such that the first curved surface contacts a periphery of the through hole.

公开(公告)号：US20190391468A1

公开(公告)日：2019-12-26

申请号：US16052637

申请日：2018-08-02

Applicant: QISDA CORPORATION

Inventor： Chih-Chia Chen ,  Chun-Ming Shen

IPC: G03B21/14

Abstract: A projector includes a casing, a lens, a bracket, a support member, a first spacer and a first fixing member. The lens is connected to the casing. The bracket is connected to the casing and has a through hole formed thereon. The support member is inserted into the through hole and abuts against the lens. The first spacer is disposed on the support member and has a first curved surface and the first curved surface faces the through hole. The first fixing member is disposed on the support member and pushes the first spacer towards the bracket, such that the first curved surface contacts a periphery of the through hole.