Patents by Inventor Wei-Feng Lin

Wei-Feng Lin 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: 20220077210
    Abstract: A method of image sensor package fabrication includes forming a recess in a transparent substrate, depositing conductive traces in the recess, inserting an image sensor in the recess so that the image sensor is positioned in the recess to receive light through the transparent substrate, and inserting a circuit board in the recess so that the image sensor is positioned between the transparent substrate and the circuit board.
    Type: Application
    Filed: November 18, 2021
    Publication date: March 10, 2022
    Inventors: Wei-Feng Lin, Ying-Chih Kuo, Ying Chung
  • Patent number: 11211414
    Abstract: An image sensor package includes a transparent substrate with a recess formed in the transparent substrate, and an image sensor positioned in the recess so that light incident on the transparent substrate passes through the transparent substrate to the image sensor. The image sensor package also includes a circuit board electrically disposed in the recess and coupled to receive image data from the image sensor, and the image sensor is positioned in the recess between the circuit board and the transparent substrate.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: December 28, 2021
    Assignee: OMNIVISION TECHNOLOGIES, INC.
    Inventors: Wei-Feng Lin, Ying-Chih Kuo, Ying Chung
  • Publication number: 20210356821
    Abstract: An active-pixel device assembly with stray-light reduction includes an active-pixel device including a semiconductor substrate and an array of active pixels, a light-transmissive substrate disposed on a light-receiving side of the active-pixel device, and a rough opaque coating disposed on a first surface of the light-transmissive substrate and forming an aperture aligned with the array of active pixels, wherein the rough opaque coating is rough so as to suppress reflection of light incident thereon from at least one side. A method for manufacturing a stray-light-reducing coating for an active-pixel device assembly includes depositing an opaque coating on a light-transmissive substrate such that the opaque coating forms a light-transmissive aperture, and roughening the opaque coating to form a rough opaque coating, said roughening including treating the opaque coating with an alkaline solution.
    Type: Application
    Filed: May 15, 2020
    Publication date: November 18, 2021
    Inventors: Chun-Sheng FAN, Wei-Feng LIN
  • Patent number: 11172806
    Abstract: A novel endoscope includes a camera module, an electrical cable, and an electrical connector. The camera module includes an analog image signal output terminal. The cable includes an analog image signal line having a first end connected to the analog image signal output terminal of the camera module. The electrical connector includes a set of electrical contacts configured to engage a complimentary set of electrical contacts of a host system. The set of electrical contacts includes at least an analog image signal contact connected to a second end of the analog image signal line of the cable.
    Type: Grant
    Filed: February 20, 2020
    Date of Patent: November 16, 2021
    Assignee: OmniVision Technologies, Inc.
    Inventors: Teng-Sheng Chen, Wei-Feng Lin, Xiang-Dong Xiong
  • Patent number: 11114483
    Abstract: A cavityless chip-scale image-sensor package includes a substrate, a microlens array, and a low-index layer. The substrate includes a plurality of pixels forming a pixel array. The microlens array includes a plurality of microlenses each (i) having a lens refractive index, (ii) being aligned to a respective one of the plurality of pixels and (iii) having a non-planar microlens surfaces facing away from the respective one of the plurality of pixels. The low-index layer has a first refractive index less than the lens refractive index. The low-index layer also includes a bottom surface, at least part of which is conformal to each non-planar microlens surface. The microlens array is between the pixel array and the low-index layer.
    Type: Grant
    Filed: August 10, 2018
    Date of Patent: September 7, 2021
    Assignee: OmniVision Technologies, Inc.
    Inventors: Chien-Chan Yeh, Ying-Chih Kuo, Wei-Feng Lin, Chun-Sheng Fan
  • Publication number: 20210259528
    Abstract: A novel endoscope includes a camera module, an electrical cable, and an electrical connector. The camera module includes an analog image signal output terminal. The cable includes an analog image signal line having a first end connected to the analog image signal output terminal of the camera module. The electrical connector includes a set of electrical contacts configured to engage a complimentary set of electrical contacts of a host system. The set of electrical contacts includes at least an analog image signal contact connected to a second end of the analog image signal line of the cable.
    Type: Application
    Filed: February 20, 2020
    Publication date: August 26, 2021
    Applicant: OmniVision Technologies, Inc.
    Inventors: Teng-Sheng Chen, Wei-Feng Lin, Xiang-Dong Xiong
  • Patent number: 11075239
    Abstract: An optical element comprising a transparent substrate and an anti-reflective coating, wherein the anti-reflective coating further comprises at least a transparent, high refractive index layer and a transparent, low refractive index layer, wherein the high refractive index layer is in contact with the low refractive index layer; and wherein the high refractive index layer is situated at an interface between the anti-reflective coating and air. Further, the low refractive index layer may be silicon oxide; the high refractive index layer may be tantalum oxide or silicon nitride.
    Type: Grant
    Filed: March 12, 2020
    Date of Patent: July 27, 2021
    Assignee: OmniVision Technologies, Inc.
    Inventors: Chun-Sheng Fan, Chen-Wei Tsai, Wei-Feng Lin
  • Publication number: 20210225914
    Abstract: An image sensor module comprises an image sensor having a light sensing area, a cover glass for covering the light sensing area, a dam between the image sensor and the cover glass, which surrounds the light sensing area, and has an outer wall and an inner wall, where a cross-section of the inner wall parallel to the surface of the light sensing area of the image sensor forms a sawtooth pattern and/or, where a cross-section of the inner wall orthogonal to the surface of the light sensing area of the image sensor forms an inclined surface.
    Type: Application
    Filed: January 20, 2020
    Publication date: July 22, 2021
    Applicant: OmniVision Technologies, Inc.
    Inventors: Wei-Feng Lin, En-Chi Li, Chi-Chih Huang
  • Publication number: 20210193716
    Abstract: An image sensor package includes a transparent substrate with a recess formed in the transparent substrate, and an image sensor positioned in the recess so that light incident on the transparent substrate passes through the transparent substrate to the image sensor. The image sensor package also includes a circuit board electrically disposed in the recess and coupled to receive image data from the image sensor, and the image sensor is positioned in the recess between the circuit board and the transparent substrate.
    Type: Application
    Filed: December 23, 2019
    Publication date: June 24, 2021
    Inventors: Wei-Feng Lin, Ying-Chih Kuo, Ying Chung
  • Patent number: 10998361
    Abstract: An image-sensor package includes a cover glass, an image sensor, and an integrated circuit. The cover glass has a cover-glass bottom surface, to which the image sensor is bonded. The integrated circuit is beneath the cover-glass bottom surface, adjacent to the image sensor, and electronically connected to the image sensor. A method for packaging an image sensor includes attaching an image sensor to a cover-glass bottom surface of a cover glass, a light-sensing region of the image sensor facing the cover-glass bottom surface. The method also includes attaching an integrated circuit to the cover-glass bottom surface, a top IC-surface of the integrated circuit facing the cover-glass bottom surface.
    Type: Grant
    Filed: September 22, 2018
    Date of Patent: May 4, 2021
    Assignee: OmniVision Technologies, Inc.
    Inventors: Wei-Feng Lin, Chun-Sheng Fan
  • Patent number: 10985149
    Abstract: A semiconductor device package includes a transparent substrate, a photo detector and a first conductive layer. The transparent substrate has a first surface and a first cavity underneath the first surface. The photo detector is disposed within the first cavity. The photo detector has a sensing area facing toward a bottom surface of the first cavity of the transparent substrate. The first conductive layer is disposed over the transparent substrate and electrically connected to the photo detector.
    Type: Grant
    Filed: January 15, 2019
    Date of Patent: April 20, 2021
    Assignee: Omnivision Technologies, Inc
    Inventors: Chien Chan Yeh, Ying-Chih Kuo, Wei-Feng Lin
  • Publication number: 20210052134
    Abstract: A surface-mount device platform includes a surface-mounting region, a connection region, and a bendable region therebetween, each including a respective part of a base substrate. The base substrate includes electrically-conductive layers interspersed with electrically-insulating build-up layers. Each of the surface-mounting region, the connection region, and the bendable region spans between a bottom substrate-surface and a top substrate-surface of the base substrate. The surface-mounting region further includes an electrically-insulating first top rigid-layer, and device bond-pads exposed on a top surface of the first top rigid-layer facing away from the top substrate-surface in the surface-mounting region.
    Type: Application
    Filed: August 22, 2019
    Publication date: February 25, 2021
    Inventors: Teng-Sheng CHEN, Chien-Chan YEH, Cheng-Fang CHIU, Wei-Feng LIN
  • Publication number: 20200395730
    Abstract: A semiconductor structure is provided. The semiconductor structure includes: a substrate having a cavity recessed from a top surface of the substrate toward a bottom surface of the substrate opposite to the top surface, wherein the cavity has a sidewall and a bottom surface, and the bottom surface of the cavity is substantially parallel to the top surface of the substrate; a light source structure in the cavity, and the light source structure emitting a light from a sidewall of the light source structure; and a diffractive optical element (DOE) over the top surface of the substrate; wherein the sidewall of the cavity is a sloped surface, so that when the light is incident on the sidewall, the sloped surface reflects the incident light to generate a reflected light toward the DOE. Associated semiconductor structure and manufacturing method are also disclosed.
    Type: Application
    Filed: June 13, 2019
    Publication date: December 17, 2020
    Inventors: CHUN-SHENG FAN, WEI-FENG LIN
  • Patent number: 10868945
    Abstract: A camera module has light-field camera(s) and high resolution camera(s), the light-field camera(s) have multiple-lens arrays above an image sensor. The light-field camera(s) have a lens element at a same level as a lens element of the high resolution camera, the lens elements bearing apertures. The multiple-lens array of the light-field camera is above the image sensor at a same level as a flat transparent plate of the high resolution camera. The cameras lens cubes are made simultaneously by bonding molded lens plates and spacer plates, the lens plates and spacer plates including an upper lens plate having upper light-field camera lens elements and upper high resolution camera lens elements with applied apertures, multiple spacer plates, a microlens plate bearing an array of microlenses in the light-field cameras, the microlens plate being flat and transparent in areas of the high resolution camera.
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: December 15, 2020
    Assignee: OmniVision Technologies, Inc.
    Inventors: Teng-Sheng Chen, Jau-Jan Deng, Chia-Yang Chang, Wei-Feng Lin
  • Publication number: 20200387002
    Abstract: A diffractive optical element (DOE) comprises a first part comprising a first transparent non-conductive base and a first transparent conductive layer disposed on the first transparent non-conductive base and a second part comprising a second transparent non-conductive base and a second transparent conductive layer disposed on the second transparent non-conductive base. The first transparent conductive layer and the second transparent conductive layer have periodical patterns of thickness for diffracting light. Spacers separate the first part and the second part. The first part and the second part are positioned such that the first transparent conductive layer is facing the second transparent conductive layer. A first end of the first transparent conductive layer is electrically connected to a first terminal of a capacitance monitor, and a second end of the second transparent conductive layer is electrically connected to a second terminal of the capacitance monitor.
    Type: Application
    Filed: June 4, 2019
    Publication date: December 10, 2020
    Applicant: OmniVision Technologies, Inc.
    Inventors: Chun-Sheng Fan, Wei-Feng Lin
  • Publication number: 20200357842
    Abstract: An image sensor module comprises: a substrate having a first side and second side, the first side being an opposite of the second side, an image sensor attached to the first side of the substrate, bonding wires to bond the image sensor to pads on the first side of the substrate, a protective structure disposed on the first side of the substrate surrounding the image sensor, the bonding wires, and the pads, the protective structure having a dam and a lid, a cover glass disposed on the protective structure, and a set of solder balls attached to the second side of the substrate.
    Type: Application
    Filed: July 24, 2020
    Publication date: November 12, 2020
    Applicant: OmniVision Technologies, Inc.
    Inventors: Wei-Feng Lin, Chi-Chih Huang, Yu-Mei Su
  • Publication number: 20200335534
    Abstract: An optical element comprising a transparent substrate and an anti-reflective coating, wherein the anti-reflective coating further comprises at least a transparent, high refractive index layer and a transparent, low refractive index layer, wherein the high refractive index layer is in contact with the low refractive index layer; and wherein the high refractive index layer is situated at an interface between the anti-reflective coating and air. Further, the low refractive index layer may be silicon oxide; the high refractive index layer may be tantalum oxide or silicon nitride.
    Type: Application
    Filed: March 12, 2020
    Publication date: October 22, 2020
    Applicant: OmniVision Technologies, Inc.
    Inventors: Chun-Sheng Fan, Chen-Wei Tsai, Wei-Feng Lin
  • Publication number: 20200322507
    Abstract: A camera module has light-field camera(s) and high resolution camera(s), the light-field camera(s) have multiple-lens arrays above an image sensor. The light-field camera(s) have a lens element at a same level as a lens element of the high resolution camera, the lens elements bearing apertures. The multiple-lens array of the light-field camera is above the image sensor at a same level as a flat transparent plate of the high resolution camera. The cameras lens cubes are made simultaneously by bonding molded lens plates and spacer plates, the lens plates and spacer plates including an upper lens plate having upper light-field camera lens elements and upper high resolution camera lens elements with applied apertures, multiple spacer plates, a microlens plate bearing an array of microlenses in the light-field cameras, the microlens plate being flat and transparent in areas of the high resolution camera.
    Type: Application
    Filed: April 8, 2019
    Publication date: October 8, 2020
    Inventors: Teng-Sheng Chen, Jau-Jan DENG, Chia-Yang CHANG, Wei-Feng LIN
  • Publication number: 20200243384
    Abstract: A chip comprises a semiconductor substrate having a first side and a second side opposite to the first side, a plurality of conductive metal patterns formed on the first side of the semiconductor substrate, a plurality of solder balls formed on the first side of the semiconductor substrate, and at least one code pattern formed using laser marking on the first side of the semiconductor substrate in a space free from the plurality of conductive metal patterns and the plurality of solder balls, wherein the at least one code pattern is visible from a backside of the chip, the at least one code pattern represents a binary number having four bits; and the binary number represents a decimal number to represent a tracing number of the chip.
    Type: Application
    Filed: January 25, 2019
    Publication date: July 30, 2020
    Applicant: OmniVision Technologies, Inc.
    Inventors: Wei-Feng Lin, Chi-Chih Huang
  • Publication number: 20200227394
    Abstract: A semiconductor device package includes a transparent substrate, a photo detector and a first conductive layer. The transparent substrate has a first surface and a first cavity underneath the first surface. The photo detector is disposed within the first cavity. The photo detector has a sensing area facing toward a bottom surface of the first cavity of the transparent substrate. The first conductive layer is disposed over the transparent substrate and electrically connected to the photo detector.
    Type: Application
    Filed: January 15, 2019
    Publication date: July 16, 2020
    Inventors: Chien Chan YEH, Ying-Chih KUO, Wei-Feng LIN