公开(公告)号：US20220140173A1

公开(公告)日：2022-05-05

申请号：US17083763

申请日：2020-10-29

Applicant: PixArt Imaging Inc.

Inventor： Chi-Chih SHEN ,  Kuo-Hsiung LI ,  Shang-Feng HSIEH ,  Jui-Cheng CHUANG ,  Yi-Chang CHANG

IPC: H01L31/14 ,  H01L31/0203 ,  H01L31/0232 ,  H01L27/146

Abstract: There is provided an optical sensor package including a substrate, a base layer, an optical detection region, a light source and a light blocking wall. The base layer is arranged on the substrate. The light detection region and the light source are arranged on the base layer. The light blocking wall is arranged on the base layer, and located between the light detection region and the light source to block light directly propagating from the light source to the light detection region.

公开(公告)号：US20230060584A1

公开(公告)日：2023-03-02

申请号：US17722132

申请日：2022-04-15

Applicant: PIXART IMAGING INC.

Inventor： Cheng-Nan TSAI ,  Yen-Chang CHU ,  Chih-Ming SUN ,  Chi-Chih SHEN ,  Kuo-Hsiung LI

IPC: G01N21/47 ,  G01N33/00 ,  G08B17/107

Abstract: There is provided an optical machine of a smoke detector including a substrate, a light source, a light sensor and a light blocking member. The light source and the light sensor are arranged on the substrate in a first direction. The light blocking member is arranged upon the light source and blocks a part of an emission angle of the light source in the first direction far away from the light sensor.

公开(公告)号：US20240258451A1

公开(公告)日：2024-08-01

申请号：US18635010

申请日：2024-04-15

Applicant: PixArt Imaging Inc.

Inventor： Chi-Chih SHEN ,  Kuo-Hsiung LI ,  Shang-Feng HSIEH ,  Jui-Cheng CHUANG ,  Yi-Chang CHANG

IPC: H01L31/14 ,  H01L27/146 ,  H01L31/0203 ,  H01L31/0232 ,  H01L31/18

CPC classification number: H01L31/143 ,  H01L27/14625 ,  H01L31/0203 ,  H01L31/02325 ,  H01L31/186

Abstract: There is provided an optical sensor package including a substrate, a base layer, an optical detection region, a light source and a light blocking wall. The base layer is arranged on the substrate. The light detection region and the light source are arranged on the base layer. The light blocking wall is arranged on the base layer, and located between the light detection region and the light source to block light directly propagating from the light source to the light detection region.