Patents by Inventor Che-Jui HSU

Che-Jui HSU 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: 20240234201
    Abstract: An isolation structure, comprising: an isolation material layer, filled in a trench of a substrate; and a protection layer, having two portions extending from a topmost surface of the substrate to a top surface of the isolation material layer across boundaries of the trench, and covering opposite edges of the isolation material layer, wherein the two portions of the protection layer are laterally spaced apart from each other, and the protection layer has an etching selectivity with respect to the isolation material layer.
    Type: Application
    Filed: March 26, 2024
    Publication date: July 11, 2024
    Applicant: Winbond Electronics Corp.
    Inventors: Che-Jui Hsu, Ying-Fu Tung, Chun-Sheng Lu, Mu-Lin Li
  • Patent number: 12015059
    Abstract: A method of forming a semiconductor structure includes forming a mask layer on a substrate. The mask layer and the substrate include an opening. An isolation structure is formed in the opening. The mask layer is removed. A first conductive layer is formed on the isolation structure and the substrate. A first implantation process is performed on the first conductive layer and the isolation structure, to form a doped portion in the first conductive layer and a doped portion in the isolation structure. A second conductive layer is formed on the first conductive layer and the isolation structure. A first planarization process is performed, so that the top surfaces of the second conductive layer, the first conductive layer, and the isolation structure are aligned.
    Type: Grant
    Filed: April 18, 2022
    Date of Patent: June 18, 2024
    Assignee: WINBOND ELECTRONICS CORP.
    Inventors: Che-Jui Hsu, Ying-Fu Tung
  • Patent number: 11972972
    Abstract: A method for forming an isolation structure includes: forming a trench at a surface of a substrate; forming a mask pattern on the substrate, wherein the mask pattern has an opening communicated with the trench; filling a first isolation material layer in the opening and the trench, wherein a surface of the first isolation material layer defines a first recess; filling a second isolation material layer into the first recess; partially removing the first and second isolation material layers, to form a second recess, performing first and second oblique ion implantation processes, to form damage regions in the first isolation material layer; performing a decoupled plasma treatment, to transform portions of the damage regions into a protection layer having etching selectivity with respect to the damage regions; and removing the damage regions.
    Type: Grant
    Filed: October 12, 2021
    Date of Patent: April 30, 2024
    Assignee: Winbond Electronics Corp.
    Inventors: Che-Jui Hsu, Ying-Fu Tung, Chun-Sheng Lu, Mu-Lin Li
  • Publication number: 20240069387
    Abstract: A display device includes a touch panel, an optical adhesive layer, and a front light module that includes a light source and a light guide plate (LGP) including multiple microstructures recessed into the LGP from a first surface of the LGP to form voids. The optical adhesive layer is adhered between the touch panel and a first surface of the LGP. A surface of the optical adhesive layer facing the LGP is in contact with the first surface of the LGP in multiple first regions, and a surface of the optical adhesive layer facing the LGP and the plurality of microstructures being overlapped in multiple second regions. A maximum vertical distance between each void and the first surface is a first depth. A vertical distance between the first regions and the second regions is 0 to 0.7 times the first depth.
    Type: Application
    Filed: July 12, 2023
    Publication date: February 29, 2024
    Applicant: Coretronic Corporation
    Inventors: Tzeng-Ke Shiau, Yu-Feng Lin, Ying-Shun Syu, Che-Jui Hsu
  • Patent number: 11908953
    Abstract: A manufacturing method of a memory device are provided. The method includes following steps. A gate stacking structure is formed over a substrate. A first insulating layer, a second insulating layer and a mask material layer are sequentially formed over the substrate to cover the gate stacking structure. An ion implantation process is performed on the mask material layer to form a doped portion in the mask material layer. The doped portion caps on a top portion of the gate stacking structure. A first patterning process is performed on the mask material layer using the doped portion as a shadow mask to remove a bottom portion of the mask material layer extending along a surface of the substrate. A second patterning process is performed to remove the doped portion of the mask material layer and an exposed bottom portion of the second insulating layer surrounding the gate stacking structure.
    Type: Grant
    Filed: December 15, 2022
    Date of Patent: February 20, 2024
    Assignee: Winbond Electronics Corp.
    Inventors: Che-Jui Hsu, Ying-Fu Tung, Chun-Sheng Lu, Kuo-Feng Huang, Yu-Chi Kuo, Wang-Ta Li
  • Publication number: 20230335602
    Abstract: A method of forming a semiconductor structure includes forming a mask layer on a substrate. The mask layer and the substrate include an opening. An isolation structure is formed in the opening. The mask layer is removed. A first conductive layer is formed on the isolation structure and the substrate. A first implantation process is performed on the first conductive layer and the isolation structure, to form a doped portion in the first conductive layer and a doped portion in the isolation structure. A second conductive layer is formed on the first conductive layer and the isolation structure. A first planarization process is performed, so that the top surfaces of the second conductive layer, the first conductive layer, and the isolation structure are aligned.
    Type: Application
    Filed: April 18, 2022
    Publication date: October 19, 2023
    Inventors: Che-Jui HSU, Ying-Fu TUNG
  • Patent number: 11703705
    Abstract: A liquid crystal display panel includes a first transparent glass layer; a second transparent glass layer overlapping the first transparent glass layer; two or more pixel units disposed on a side of the first transparent glass layer opposite to the second transparent glass layer, each of the pixel units including a red sub-pixel, a green sub-pixel, a blue sub-pixel, and a white sub-pixel arranged in accordance with a predetermined rule; a black matrix disposed between the pixel units to isolate two pixel units adjacent to each other; and a fingerprint sensor disposed on the second transparent glass layer, and covered by the black matrix; when the fingerprint sensor is viewed from the top, an area of the fingerprint sensor corresponding to a region of the red sub-pixels is larger than any one of areas of the fingerprint sensors corresponding to respective regions of the green, blue, and white sub-pixels.
    Type: Grant
    Filed: May 12, 2020
    Date of Patent: July 18, 2023
    Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventors: Chih-jen Cheng, Che-jui Hsu, Tsang-chih Wu
  • Publication number: 20230121256
    Abstract: A manufacturing method of a memory device are provided. The method includes following steps. A gate stacking structure is formed over a substrate. A first insulating layer, a second insulating layer and a mask material layer are sequentially formed over the substrate to cover the gate stacking structure. An ion implantation process is performed on the mask material layer to form a doped portion in the mask material layer. The doped portion caps on a top portion of the gate stacking structure. A first patterning process is performed on the mask material layer using the doped portion as a shadow mask to remove a bottom portion of the mask material layer extending along a surface of the substrate. A second patterning process is performed to remove the doped portion of the mask material layer and an exposed bottom portion of the second insulating layer surrounding the gate stacking structure.
    Type: Application
    Filed: December 15, 2022
    Publication date: April 20, 2023
    Applicant: Winbond Electronics Corp.
    Inventors: Che-Jui Hsu, Ying-Fu Tung, Chun-Sheng Lu, Kuo-Feng Huang, Yu-Chi Kuo, Wang-Ta Li
  • Patent number: 11575051
    Abstract: A memory device and a manufacturing method thereof are provided. The memory device includes a gate stacking structure, a first insulating layer, a second insulating layer and a first spacer. The gate stacking structure is disposed over a substrate. The first insulating layer covers a top surface and a sidewall of the gate stacking structure. The second insulating layer covers a surface of the first insulating layer. A top corner region of the gate stacking structure is covered by the first and second insulating layers. The first spacer is located on the sidewall of the gate stacking structure, and covers a surface of the second insulating layer. A topmost end of the first spacer is lower than a topmost surface of the second insulating layer.
    Type: Grant
    Filed: August 20, 2020
    Date of Patent: February 7, 2023
    Assignee: Winbond Electronics Corp.
    Inventors: Che-Jui Hsu, Ying-Fu Tung, Chun-Sheng Lu, Kuo-Feng Huang, Yu-Chi Kuo, Wang-Ta Li
  • Patent number: 11538818
    Abstract: A method of manufacturing a memory structure including the following steps is provided. A spacer layer is formed on sidewalls of gate stack structures. A protective material layer covering the spacer layer and the gate stack structures is formed. A mask material layer is formed on the protective material layer. There is a void located in the mask material layer between two adjacent gate stack structures. A first distance is between a top of the protective material layer and a top of the mask material layer. A second distance is between a top of the void and a top of the mask material layer above the void. A third distance is between a bottom of the void and a bottom of the mask material layer below the void. The first distance is greater than a sum of the second and third distances.
    Type: Grant
    Filed: July 21, 2021
    Date of Patent: December 27, 2022
    Assignee: Winbond Electronics Corp.
    Inventors: Che-Jui Hsu, Chun-Sheng Lu, Ying-Fu Tung, Chen-Wei Liao
  • Patent number: 11502093
    Abstract: A memory structure and its manufacturing method are provided. The memory structure includes a substrate, a tunnel dielectric layer on the substrate and a floating gate on the tunnel dielectric layer. The substrate has a source region and a drain region, and the source region and the drain region are formed on two opposite sides of the floating gate. The memory structure also includes an inter-gate dielectric layer on the floating gate and a control gate on the inter-gate dielectric layer. The memory structure further includes a doping region buried in the floating gate, wherein a sidewall of the doping region is exposed at a sidewall of the floating gate. Also, the doping region and the inter-gate dielectric layer are separated from each other.
    Type: Grant
    Filed: August 7, 2020
    Date of Patent: November 15, 2022
    Assignee: WINBOND ELECTRONICS CORP.
    Inventors: Chang-Ming Chiang, Hsuan-Jung Huang, Che-Jui Hsu, Liann-Chern Liou
  • Patent number: 11417141
    Abstract: An in-screen fingerprint identification apparatus includes a display panel and a fingerprint identification module. The display panel includes a backlight module, a liquid crystal layer, and a cover glass, which are sequentially stacked. The cover glass includes a fingerprint identification area. The fingerprint identification module includes a light source, a photosensor, and light guiding layers disposed on the cover glass. The light guiding layers at least cover portions of opposite sides of the cover glass, respectively, such that light emitted by the light source after being reflected in the cover glass is guided to the fingerprint identification area. The photosensor is disposed in the display panel and corresponds to the fingerprint identification area to receive an optical signal of the light source emitted by the light source after being reflected by a finger in the fingerprint identification area.
    Type: Grant
    Filed: August 14, 2019
    Date of Patent: August 16, 2022
    Assignees: Beijing Xiaomi Mobile Software Co., Ltd., Nanjing Branch, Bejjing Xiaomi Mobile Software Co., Ltd.
    Inventors: Chih-jen Cheng, Tsang-chih Wu, Che-jui Hsu
  • Publication number: 20220165081
    Abstract: The present disclosure relates to an in-screen fingerprint identification apparatus and an electronic device. The in-screen fingerprint identification apparatus includes a display panel and a fingerprint identification module. The display panel includes a backlight module, a liquid crystal layer, and a cover glass, which are sequentially stacked. The cover glass includes a fingerprint identification area. The fingerprint identification module includes a light source, a photosensor, and light guiding layers disposed on the cover glass. The light guiding layers at least cover portions of opposite sides of the cover glass, respectively, such that light emitted by the light source after being reflected in the cover glass is guided to the fingerprint identification area.
    Type: Application
    Filed: August 14, 2019
    Publication date: May 26, 2022
    Inventors: Chih-jen CHENG, Tsang-chih WU, Che-Jui HSU
  • Publication number: 20220139764
    Abstract: A method for forming an isolation structure includes: forming a trench at a surface of a substrate; forming a mask pattern on the substrate, wherein the mask pattern has an opening communicated with the trench; filling a first isolation material layer in the opening and the trench, wherein a surface of the first isolation material layer defines a first recess; filling a second isolation material layer into the first recess; partially removing the first and second isolation material layers, to form a second recess, performing first and second oblique ion implantation processes, to form damage regions in the first isolation material layer; performing a decoupled plasma treatment, to transform portions of the damage regions into a protection layer having etching selectivity with respect to the damage regions; and removing the damage regions.
    Type: Application
    Filed: October 12, 2021
    Publication date: May 5, 2022
    Applicant: Winbond Electronics Corp.
    Inventors: Che-Jui Hsu, Ying-Fu Tung, Chun-Sheng Lu, Mu-Lin Li
  • Publication number: 20220045074
    Abstract: A memory structure and its manufacturing method are provided. The memory structure includes a substrate, a tunnel dielectric layer on the substrate and a floating gate on the tunnel dielectric layer. The substrate has a source region and a drain region, and the source region and the drain region are formed on two opposite sides of the floating gate. The memory structure also includes an inter-gate dielectric layer on the floating gate and a control gate on the inter-gate dielectric layer. The memory structure further includes a doping region buried in the floating gate, wherein a sidewall of the doping region is exposed at a sidewall of the floating gate. Also, the doping region and the inter-gate dielectric layer are separated from each other.
    Type: Application
    Filed: August 7, 2020
    Publication date: February 10, 2022
    Inventors: Chang-Ming CHIANG, Hsuan-Jung HUANG, Che-Jui HSU, Liann-Chern LIOU
  • Publication number: 20210351194
    Abstract: A method of manufacturing a memory structure including the following steps is provided. A spacer layer is formed on sidewalls of gate stack structures. A protective material layer covering the spacer layer and the gate stack structures is formed. A mask material layer is formed on the protective material layer. There is a void located in the mask material layer between two adjacent gate stack structures. A first distance is between a top of the protective material layer and a top of the mask material layer. A second distance is between a top of the void and a top of the mask material layer above the void. A third distance is between a bottom of the void and a bottom of the mask material layer below the void. The first distance is greater than a sum of the second and third distances.
    Type: Application
    Filed: July 21, 2021
    Publication date: November 11, 2021
    Applicant: Winbond Electronics Corp.
    Inventors: Che-Jui Hsu, Chun-Sheng Lu, Ying-Fu Tung, Chen-Wei Liao
  • Patent number: 11121142
    Abstract: A method of manufacturing a memory structure including the following steps is provided. A spacer layer is formed on sidewalls of gate stack structures. A protective material layer covering the spacer layer and the gate stack structures is formed. A mask material layer is formed on the protective material layer. There is a void located in the mask material layer between two adjacent gate stack structures. A first distance is between a top of the protective material layer and a top of the mask material layer. A second distance is between a top of the void and a top of the mask material layer above the void. A third distance is between a bottom of the void and a bottom of the mask material layer below the void. The first distance is greater than a sum of the second and third distances.
    Type: Grant
    Filed: December 31, 2019
    Date of Patent: September 14, 2021
    Assignee: Winbond Electronics Corp.
    Inventors: Che-Jui Hsu, Chun-Sheng Lu, Ying-Fu Tung, Chen-Wei Liao
  • Patent number: 11101177
    Abstract: A method for forming a semiconductor structure includes: providing a substrate; forming a stacked structure on the substrate; forming a barrier layer on a sidewall of the stacked structure; forming a first dielectric layer covering the barrier layer and the stacked structure; removing a portion of the first dielectric layer to expose an upper portion of the stacked structure; forming a metal layer covering the stacked structure and the first dielectric layer; performing an annealing process to react the metal layer with the stacked structure to form a metal silicide layer at the upper portion of the stacked structure; removing an unreacted portion of the metal layer; removing a portion of the barrier layer to form a recess above the barrier layer; and forming a second dielectric layer covering the metal silicide layer and the first dielectric layer to form air gaps on both sides of the stacked structure.
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: August 24, 2021
    Assignee: WINBOND ELECTRONICS CORP.
    Inventors: Che-Jui Hsu, Chun-Sheng Lu, Ying-Fu Tung, Mao-Chang Yen, Wan-Yu Peng
  • Publication number: 20210257257
    Abstract: A method for forming a semiconductor structure includes: providing a substrate; forming a stacked structure on the substrate; forming a barrier layer on a sidewall of the stacked structure; forming a first dielectric layer covering the barrier layer and the stacked structure; removing a portion of the first dielectric layer to expose an upper portion of the stacked structure; forming a metal layer covering the stacked structure and the first dielectric layer; performing an annealing process to react the metal layer with the stacked structure to form a metal silicide layer at the upper portion of the stacked structure; removing an unreacted portion of the metal layer; removing a portion of the barrier layer to form a recess above the barrier layer; and forming a second dielectric layer covering the metal silicide layer and the first dielectric layer to form air gaps on both sides of the stacked structure.
    Type: Application
    Filed: February 19, 2020
    Publication date: August 19, 2021
    Inventors: Che-Jui HSU, Chun-Sheng LU, Ying-Fu TUNG, Mao-Chang YEN, Wan-Yu PENG
  • Publication number: 20210202512
    Abstract: A method of manufacturing a memory structure including the following steps is provided. A spacer layer is formed on sidewalls of gate stack structures. A protective material layer covering the spacer layer and the gate stack structures is formed. A mask material layer is formed on the protective material layer. There is a void located in the mask material layer between two adjacent gate stack structures. A first distance is between a top of the protective material layer and a top of the mask material layer. A second distance is between a top of the void and a top of the mask material layer above the void. A third distance is between a bottom of the void and a bottom of the mask material layer below the void. The first distance is greater than a sum of the second and third distances.
    Type: Application
    Filed: December 31, 2019
    Publication date: July 1, 2021
    Applicant: Winbond Electronics Corp.
    Inventors: Che-Jui Hsu, Chun-Sheng Lu, Ying-Fu Tung, Chen-Wei Liao