Patents by Inventor Chi-Chih Shen

Chi-Chih Shen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20230060584
    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.
    Type: Application
    Filed: April 15, 2022
    Publication date: March 2, 2023
    Inventors: Cheng-Nan TSAI, Yen-Chang CHU, Chih-Ming SUN, Chi-Chih SHEN, Kuo-Hsiung LI
  • Publication number: 20230020236
    Abstract: An optical component packaging structure is provided. The optical component packaging structure includes a substrate, a far-infrared sensor chip, a metal covering cap and a light filter. The far-infrared sensor chip is disposed on the substrate and electrically connected to the substrate. The metal covering cap is disposed on the substrate and accommodating the far-infrared sensor chip. The metal covering cap has an opening exposing the far-infrared sensor chip. The light filter is disposed out of the opening and on the inner surface for covering the opening to filter the far-infrared light passing through. The far-infrared sensor chip is surrounded by the metal covering cap, the substrate and the light filter, and the metal covering cap is directly connected with the substrate.
    Type: Application
    Filed: September 29, 2022
    Publication date: January 19, 2023
    Inventors: YI-CHANG CHANG, YEN-HSIN CHEN, CHI-CHIH SHEN
  • Patent number: 11495697
    Abstract: The instant disclosure provides an optical component packaging structure which includes a far-infrared sensor chip, a first metal layer, a packaging housing and a covering member. The far-infrared sensor chip includes a semiconductor substrate and a semiconductor stack structure. The semiconductor substrate has a first surface, a second surface which is opposite to the first surface, and a cavity. The semiconductor stack structure is disposed on the first surface of the semiconductor substrate, and a part of the semiconductor stack structure is located above the cavity. The first metal layer is disposed on the second surface of the semiconductor substrate, the packaging housing is used to encapsulate the far-infrared sensor chip and expose at least a part of the far-infrared sensor chip, and the covering member is disposed above the semiconductor stack structure.
    Type: Grant
    Filed: December 7, 2020
    Date of Patent: November 8, 2022
    Assignee: PIXART IMAGING INC.
    Inventors: Yi-Chang Chang, Yen-Hsin Chen, Chi-Chih Shen
  • Publication number: 20220157775
    Abstract: A package structure includes: 1) a circuit substrate; 2) a first semiconductor device disposed on the circuit substrate; 3) a first insulation layer covering a sidewall of the first semiconductor device; 4) a second insulation layer covering the first insulation layer; and 5) a third insulation layer disposed on the circuit substrate and in contact with the second insulation layer.
    Type: Application
    Filed: January 11, 2022
    Publication date: May 19, 2022
    Applicant: Advanced Semiconductor Engineering, Inc.
    Inventors: Chi-Chih SHEN, Jen-Chuan CHEN, Tommy PAN
  • Publication number: 20220140173
    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.
    Type: Application
    Filed: October 29, 2020
    Publication date: May 5, 2022
    Inventors: Chi-Chih SHEN, Kuo-Hsiung LI, Shang-Feng HSIEH, Jui-Cheng CHUANG, Yi-Chang CHANG
  • Patent number: 11222866
    Abstract: A package structure includes: 1) a circuit substrate; 2) a first semiconductor device disposed on the circuit substrate; 3) a first insulation layer covering a sidewall of the first semiconductor device; 4) a second insulation layer covering the first insulation layer; and 5) a third insulation layer disposed on the circuit substrate and in contact with the second insulation layer.
    Type: Grant
    Filed: June 12, 2017
    Date of Patent: January 11, 2022
    Assignee: ADVANCED SEMICONDUCTOR ENGINEERING, INC.
    Inventors: Chi-Chih Shen, Jen-Chuan Chen, Tommy Pan
  • Patent number: 11156796
    Abstract: An optical sensor package module and a manufacturing method thereof are provided. The optical sensor package module includes a substrate, a sensor chip and a shielding assembly. The sensor chip is disposed on the substrate and includes an array of pixels located at a top side thereof for receiving light. The shielding assembly surrounds the sensor chip for limiting influx of light onto the sensor chip, and the shielding assembly includes a frame and a shielding element. The shielding element has a first light-permeable region disposed above at least a first subset of the pixels, the first subset is configured to receive corresponding light, and the first light-permeable region is transparent to the corresponding light. The shielding element includes an engaging structure formed thereon, and the shielding element is engaged with the frame by the engaging structure.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: October 26, 2021
    Assignee: PIXART IMAGING INC.
    Inventor: Chi-Chih Shen
  • Patent number: 10964839
    Abstract: A manufacturing method of a sensor chip package structure is provided. In the manufacturing method, a wafer including a plurality of sensor chips is provided, and each sensor chip has an active region and defines a pre-thinned region thereon. Each pre-thinned region is located at one side of the active region and covers a boundary line of each sensor chip. The pre-thinned region of each sensor chip is etched to form a concave portion. A redistribution layer is formed on the wafer. Subsequently, the wafer is cut to separate the sensor chips from one another, and each separated sensor chip has a wiring layer extending from the active region along a sidewall surface to a bottom surface of the concave portion. The separated sensor chips are respectively mounted on a plurality of substrates, and the active region is electrically connected to the substrate through the wiring layer.
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: March 30, 2021
    Assignee: PIXART IMAGING INC.
    Inventor: Chi-Chih Shen
  • Publication number: 20210091238
    Abstract: The instant disclosure provides an optical component packaging structure which includes a far-infrared sensor chip, a first metal layer, a packaging housing and a covering member. The far-infrared sensor chip includes a semiconductor substrate and a semiconductor stack structure. The semiconductor substrate has a first surface, a second surface which is opposite to the first surface, and a cavity. The semiconductor stack structure is disposed on the first surface of the semiconductor substrate, and a part of the semiconductor stack structure is located above the cavity. The first metal layer is disposed on the second surface of the semiconductor substrate, the packaging housing is used to encapsulate the far-infrared sensor chip and expose at least a part of the far-infrared sensor chip, and the covering member is disposed above the semiconductor stack structure.
    Type: Application
    Filed: December 7, 2020
    Publication date: March 25, 2021
    Inventors: YI-CHANG CHANG, YEN-HSIN CHEN, CHI-CHIH SHEN
  • Patent number: 10896983
    Abstract: The instant disclosure provides an optical component packaging structure which includes a far-infrared sensor chip, a first metal layer, a packaging housing and a covering member. The far-infrared sensor chip includes a semiconductor substrate and a semiconductor stack structure. The semiconductor substrate has a first surface, a second surface which is opposite to the first surface, and a cavity. The semiconductor stack structure is disposed on the first surface of the semiconductor substrate, and a part of the semiconductor stack structure is located above the cavity. The first metal layer is disposed on the second surface of the semiconductor substrate, the packaging housing is used to encapsulate the far-infrared sensor chip and expose at least a part of the far-infrared sensor chip, and the covering member is disposed above the semiconductor stack structure.
    Type: Grant
    Filed: August 9, 2019
    Date of Patent: January 19, 2021
    Assignee: PIXART IMAGING INC.
    Inventors: Yi-Chang Chang, Yen-Hsin Chen, Chi-Chih Shen
  • Publication number: 20200251606
    Abstract: A manufacturing method of a sensor chip package structure is provided. In the manufacturing method, a wafer including a plurality of sensor chips is provided, and each sensor chip has an active region and defines a pre-thinned region thereon. Each pre-thinned region is located at one side of the active region and covers a boundary line of each sensor chip. The pre-thinned region of each sensor chip is etched to form a concave portion. A redistribution layer is formed on the wafer. Subsequently, the wafer is cut to separate the sensor chips from one another, and each separated sensor chip has a wiring layer extending from the active region along a sidewall surface to a bottom surface of the concave portion. The separated sensor chips are respectively mounted on a plurality of substrates, and the active region is electrically connected to the substrate through the wiring layer.
    Type: Application
    Filed: April 22, 2020
    Publication date: August 6, 2020
    Inventor: CHI-CHIH SHEN
  • Patent number: 10672937
    Abstract: An optical sensor module and a sensor chip thereof are provided. The optical sensor module includes a substrate, a sensor chip and a passive chip. The sensor chip is disposed on the substrate, and the sensor chip includes a chip body having an active region located at a top side thereof and a recess portion depressed from a top surface of the chip body. The passive chip is accommodated in the recess portion, and a depth of the recess portion is greater than a thickness of the passive chip.
    Type: Grant
    Filed: July 11, 2017
    Date of Patent: June 2, 2020
    Assignee: PIXART IMAGING INC.
    Inventor: Chi-Chih Shen
  • Publication number: 20200103613
    Abstract: An optical sensor package module and a manufacturing method thereof are provided. The optical sensor package module includes a substrate, a sensor chip and a shielding assembly. The sensor chip is disposed on the substrate and includes an array of pixels located at a top side thereof for receiving light. The shielding assembly surrounds the sensor chip for limiting influx of light onto the sensor chip, and the shielding assembly includes a frame and a shielding element. The shielding element has a first light-permeable region disposed above at least a first subset of the pixels, the first subset is configured to receive corresponding light, and the first light-permeable region is transparent to the corresponding light. The shielding element includes an engaging structure formed thereon, and the shielding element is engaged with the frame by the engaging structure.
    Type: Application
    Filed: December 3, 2019
    Publication date: April 2, 2020
    Inventor: CHI-CHIH SHEN
  • Patent number: 10529759
    Abstract: An optical sensor package module and a manufacturing method thereof are provided. The optical sensor package module includes a substrate, a sensor chip and a shielding assembly. The sensor chip is disposed on the substrate and includes an array of pixels located at a top side thereof for receiving light. The shielding assembly surrounds the sensor chip for limiting influx of light onto the sensor chip, and the shielding assembly has a first aperture to expose at least a first subset of the pixels that is configured to receive corresponding light.
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: January 7, 2020
    Assignee: PIXART IMAGING INC.
    Inventor: Chi-Chih Shen
  • Patent number: 10527488
    Abstract: An optical detecting device has gas emission and pressure reduction function and includes a holder, a light penetrating component, a light detecting component, a hole structure, and a. The light penetrating component is disposed on the holder to form an accommodating space whereinside the light detecting component is disposed. The hole structure is formed on the holder to connect with the accommodating space. The waterproofing and ventilating component is disposed on the holder and covers the hole structure to prevent liquid from leaking into the accommodating space via the hole structure. While an inner gas pressure of the accommodating space is decreased, part of the gas is exhausted from the accommodating space via the hole structure and the waterproofing and ventilating component.
    Type: Grant
    Filed: June 5, 2016
    Date of Patent: January 7, 2020
    Assignee: PixArt Imaging Inc.
    Inventor: Chi-Chih Shen
  • Publication number: 20190363199
    Abstract: The instant disclosure provides an optical component packaging structure which includes a far-infrared sensor chip, a first metal layer, a packaging housing and a covering member. The far-infrared sensor chip includes a semiconductor substrate and a semiconductor stack structure. The semiconductor substrate has a first surface, a second surface which is opposite to the first surface, and a cavity. The semiconductor stack structure is disposed on the first surface of the semiconductor substrate, and a part of the semiconductor stack structure is located above the cavity. The first metal layer is disposed on the second surface of the semiconductor substrate, the packaging housing is used to encapsulate the far-infrared sensor chip and expose at least a part of the far-infrared sensor chip, and the covering member is disposed above the semiconductor stack structure.
    Type: Application
    Filed: August 9, 2019
    Publication date: November 28, 2019
    Inventors: YI-CHANG CHANG, YEN-HSIN CHEN, CHI-CHIH SHEN
  • Patent number: 10439077
    Abstract: The instant disclosure provides an optical component packaging structure which includes a far-infrared sensor chip, a first metal layer, a packaging housing and a covering member. The far-infrared sensor chip includes a semiconductor substrate and a semiconductor stack structure. The semiconductor substrate has a first surface, a second surface which is opposite to the first surface, and a cavity. The semiconductor stack structure is disposed on the first surface of the semiconductor substrate, and a part of the semiconductor stack structure is located above the cavity. The first metal layer is disposed on the second surface of the semiconductor substrate, the packaging housing is used to encapsulate the far-infrared sensor chip and expose at least a part of the far-infrared sensor chip, and the covering member is disposed above the semiconductor stack structure.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: October 8, 2019
    Assignee: PIXART IMAGING INC.
    Inventors: Yi-Chang Chang, Yen-Hsin Chen, Chi-Chih Shen
  • Publication number: 20190267419
    Abstract: An optical sensor package module and a manufacturing method thereof are provided. The optical sensor package module includes a substrate, a sensor chip and a shielding assembly. The sensor chip is disposed on the substrate and includes an array of pixels located at a top side thereof for receiving light. The shielding assembly surrounds the sensor chip for limiting influx of light onto the sensor chip, and the shielding assembly has a first aperture to expose at least a first subset of the pixels that is configured to receive corresponding light.
    Type: Application
    Filed: May 13, 2019
    Publication date: August 29, 2019
    Inventor: CHI-CHIH SHEN
  • Patent number: 10378952
    Abstract: An optical detecting device capable of preventing environmental pollution includes a casing, an optical detecting component and a transparent component. The casing includes a light through unit and at least one accommodating structure. The optical detecting component is disposed inside the accommodating structure. The transparent component is disposed inside the accommodating structure and located above the optical detecting component, to partly fill the accommodating structure at least and block between the light through unit and the optical detecting component.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: August 13, 2019
    Assignee: PixArt Imaging Inc.
    Inventors: Chi-Chih Shen, Hung-Ching Lai
  • Patent number: 10340299
    Abstract: An optical sensor package module and a manufacturing method thereof are provided. The optical sensor package module includes a substrate, a sensor chip and a shielding assembly. The sensor chip is disposed on the substrate and includes an array of pixels located at a top side thereof for receiving light. The shielding assembly surrounds the sensor chip for limiting influx of light onto the sensor chip, and the shielding assembly has a first aperture to expose at least a first subset of the pixels that is configured to receive corresponding light.
    Type: Grant
    Filed: September 11, 2017
    Date of Patent: July 2, 2019
    Assignee: PIXART IMAGING INC.
    Inventors: Chi-Chih Shen, Kuo-Hsiung Li, Jui-Cheng Chuang