Patents by Inventor Chih-Hao Lin

Chih-Hao 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: 20220190225
    Abstract: A method for manufacturing a light emitting diode packaging structure includes the operations below. A flexible substrate having a first surface and a second surface is provided. A carrier substrate is formed on the first surface. An adhesive layer is formed on the second surface. A micro light emitting element is formed on the adhesive layer. The micro light emitting element has a conductive pad thereon opposite to the adhesive layer. A redistribution layer is formed and covers the micro light emitting element and the adhesive layer, wherein the redistribution layer includes a circuit layer electrically connecting to the conductive pad and an insulating layer covering the circuit layer. An electrode pad is formed on the redistribution layer and electrically connected to the circuit layer, wherein a total thickness of the flexible substrate, the adhesive layer, the redistribution layer, and the electrode pad is less than 200 um.
    Type: Application
    Filed: March 3, 2022
    Publication date: June 16, 2022
    Inventors: Chih-Hao LIN, Jo-Hsiang CHEN, Shih-Lun LAI, Min-Che TSAI, Jian-Chin LIANG
  • Patent number: 11362242
    Abstract: A light-emitting device includes a panel substrate, a light-emitting chip, and a light extracting layer. The light-emitting chip is disposed on the panel substrate. The light extracting layer covers the light-emitting chip and the panel substrate, and the light extracting layer has a side portion. Taking the position where the edge of the light-emitting chip is in contact with the panel substrate as the origin, the side portion and the origin define a circle tangential to the surface of the side portion. The circle has a radius c which satisfies the following formula (1): 1 40 ? H ? c ? H ( 1 ) where H is a height of the light-emitting chip. The light-emitting device disclosed herein has a light extracting layer having a very small thickness, and provides excellent light-emitting efficiency and lifetime of the light-emitting device.
    Type: Grant
    Filed: January 8, 2020
    Date of Patent: June 14, 2022
    Assignee: Lextar Electronics Corporation
    Inventors: Chih-Hao Lin, Chang-Han Chen, Chun-Peng Lin
  • Publication number: 20220169800
    Abstract: An epoxy-containing siloxane-modified resin, a package material, and a package structure are provided. The epoxy-containing siloxane-modified resin is formed by reacting a hydroxy terminated siloxane compound with a siloxane resin, and then reacting with an epoxy silane. The hydroxy terminated siloxane compound and the siloxane resin have a molar ratio of 5:1 to 10:1, and the epoxy silane and the siloxane resin have a molar ratio of 2:1 to 4:1.
    Type: Application
    Filed: December 24, 2020
    Publication date: June 2, 2022
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Wen-Bin CHEN, Ying-Nan CHAN, Kai-Chi CHEN, Chih-Hao LIN
  • Patent number: 11309433
    Abstract: A non-volatile memory structure including a substrate, a plurality of charge storage layers, a first dielectric layer, and a control gate is provided. The charge storage layers are located on the substrate. An opening is provided between two adjacent charge storage layers. The first dielectric layer is located on the charge storage layers and on a surface of the opening. A bottom cross-sectional profile of the first dielectric layer located in the opening is a profile that is recessed on both sides. The control gate is located on the first dielectric layer and fills the opening.
    Type: Grant
    Filed: March 18, 2020
    Date of Patent: April 19, 2022
    Assignee: Winbond Electronics Corp.
    Inventors: Yi-Hui Chen, Chih-Hao Lin
  • Publication number: 20220115518
    Abstract: A memory device and a method for forming the same are provided. The method includes forming a plurality of gate structures on a substrate, forming a first spacer on opposite sides of the gate structures, filling a dielectric layer between adjacent first spacers, forming a metal silicide layer on the gate structures, conformally forming a spacer material layer over the metal silicide layer, the first spacer layer and the dielectric layer, and performing an etch back process on the spacer material layer to form a second spacer on opposite sides of the metal silicide layer.
    Type: Application
    Filed: December 20, 2021
    Publication date: April 14, 2022
    Inventors: Yi-Tsung TSAI, Chia-Wei WU, Chih-Hao LIN, Chien-Chih LI
  • Patent number: 11296269
    Abstract: The light emitting diode packaging structure includes a flexible substrate, a first adhesive layer, a micro light emitting element, a conductive pad, a redistribution layer, and an electrode pad. The first adhesive layer is disposed on the flexible substrate. The micro light emitting element is disposed on the first adhesive layer. The micro light emitting element has a first surface facing to the first adhesive layer and a second surface opposite to the first surface. The conductive pad is disposed on the second surface of the micro light emitting element. The redistribution layer covers the micro light emitting element and the conductive pad. The electrode pad is disposed on the redistribution layer and is electrically connected to the circuit layer. A total thickness of the flexible substrate, the first adhesive layer, the redistribution layer, and the electrode pad is less than 200 um.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: April 5, 2022
    Assignee: Lextar Electronics Corporation
    Inventors: Chih-Hao Lin, Jo-Hsiang Chen, Shih-Lun Lai, Min-Che Tsai, Jian-Chin Liang
  • Publication number: 20220093577
    Abstract: Disclosed is a light-emitting array structure having a substrate, a plurality of light-emitting pixel units, a plurality of first signal wires, a plurality of second signal wires, and an encapsulating layer. The light-emitting pixel units are arranged in array on the substrate. Each light-emitting pixel unit includes a driving chip, a first flat layer, a first redistribution layer, a second flat layer, a second redistribution layer, and a light-emitting diode. Each first signal wire is electrically connected to a corresponding one of the first redistribution layers and extends in a first direction. The second signal wires extend in a level different from the first signal wires. Each second signal wire is electrically connected to a corresponding one of the second redistribution layers and extends in a second direction different from the first direction. The encapsulating layer covers the light-emitting pixel units, the first and second signal wires, and the substrate.
    Type: Application
    Filed: November 22, 2020
    Publication date: March 24, 2022
    Inventors: Chih-Hao LIN, Jian-Chin LIANG, Chien-Nan YEH, Shih-Lun LAI, Jo-Hsiang CHEN
  • Publication number: 20220093763
    Abstract: Provided is a memory device including a plurality of stack structures disposed on a substrate; and a dielectric layer. Each stack structure includes a first conductive layer, a second conductive layer, an inter-gate dielectric layer, a metal silicide layer, and a barrier layer. The second conductive layer is disposed on the first conductive layer. The inter-gate dielectric layer is disposed between the first and second conductive layers. The metal silicide layer is disposed on the second conductive layer. The barrier layer is disposed between the metal silicide layer and the second conductive layer. The dielectric layer laterally surrounds a lower portion of the plurality of stack structures to expose a portion of the metal silicide layer of the plurality of stack structures.
    Type: Application
    Filed: May 20, 2021
    Publication date: March 24, 2022
    Applicant: Winbond Electronics Corp.
    Inventors: Yi-Tsung Tsai, Chih-Hao Lin
  • Publication number: 20220093578
    Abstract: Disclosed is a light-emitting array structure having a substrate, a plurality of light-emitting pixel units, a plurality of first and second signal wires, and an encapsulating layer. The light-emitting pixel units are arranged in array on the substrate. Each light-emitting pixel unit includes a driving chip, a first flat layer, a first redistribution layer, a second flat layer, a second redistribution layer, and a light-emitting diode. Each first signal wire is electrically connected to a corresponding one of the first redistribution layers and extends in a first direction. The second signal wires extend in a level different from the first signal wires. Each second signal wire is electrically connected to a corresponding one of the second redistribution layers and extends in a second direction different from the first direction. The encapsulating layer covers the light-emitting pixel units, the first and second signal wires, and the substrate.
    Type: Application
    Filed: May 6, 2021
    Publication date: March 24, 2022
    Inventors: Chih-Hao LIN, Jian-Chin LIANG, Chien-Nan YEH, Shih-Lun LAI, Jo-Hsiang CHEN
  • Patent number: 11245026
    Abstract: A memory device and a method for forming the same are provided. The method includes forming a plurality of gate structures on a substrate, forming a first spacer on opposite sides of the gate structures, filling a dielectric layer between adjacent first spacers, forming a metal silicide layer on the gate structures, conformally forming a spacer material layer over the metal silicide layer, the first spacer layer and the dielectric layer, and performing an etch back process on the spacer material layer to form a second spacer on opposite sides of the metal silicide layer.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: February 8, 2022
    Assignee: WINBOND ELECTRONICS CORP.
    Inventors: Yi-Tsung Tsai, Chia-Wei Wu, Chih-Hao Lin, Chien-Chih Li
  • Publication number: 20220037569
    Abstract: The light emitting diode packaging structure includes a flexible substrate, a first adhesive layer, a micro light emitting element, a conductive pad, a redistribution layer, and an electrode pad. The first adhesive layer is disposed on the flexible substrate. The micro light emitting element is disposed on the first adhesive layer. The micro light emitting element has a first surface facing to the first adhesive layer and a second surface opposite to the first surface. The conductive pad is disposed on the second surface of the micro light emitting element. The redistribution layer covers the micro light emitting element and the conductive pad. The electrode pad is disposed on the redistribution layer and is electrically connected to the circuit layer. A total thickness of the flexible substrate, the first adhesive layer, the redistribution layer, and the electrode pad is less than 200 um.
    Type: Application
    Filed: July 30, 2020
    Publication date: February 3, 2022
    Inventors: Chih-Hao LIN, Jo-Hsiang CHEN, Shih-Lun LAI, Min-Che TSAI, Jian-Chin LIANG
  • Publication number: 20220037571
    Abstract: A light emitting diode device includes a substrate, a conductive via, first and second conductive pads, a driving chip, a flat layer, a redistribution layer, a light emitting diode, and an encapsulating layer. The substrate has a first surface and a second surface opposite thereto. The conductive via penetrates from the first surface to the second surface. The first and second conductive pads are respectively disposed on the first and second surface and in contact with the conductive via. The driving chip is disposed on the first surface. The flat layer is disposed over the first surface and covers the driving chip and the first conductive pad. The redistribution layer is disposed on the flat layer and electrically connects to the driving chip. The light emitting diode is flip-chip bonded to the redistribution layer. The encapsulating layer covers the redistribution layer and the light emitting diode.
    Type: Application
    Filed: July 22, 2021
    Publication date: February 3, 2022
    Inventors: Chih-Hao LIN, Jian-Chin LIANG, Shih-Lun LAI, Jo-Hsiang CHEN
  • Publication number: 20220029063
    Abstract: An optical film includes a first transparent layer and a reflective coating. The first transparent layer has a light input surface and a light output surface. A plurality of cavities are formed on the light input surface, wherein each cavity has a first linear sidewall and a second linear sidewall, the second linear sidewall is inclined to the first linear sidewall. The reflective coating is formed on the second linear sidewall of each cavity.
    Type: Application
    Filed: July 27, 2020
    Publication date: January 27, 2022
    Inventors: Chih-Hao LIN, Kang-Hung LIU
  • Publication number: 20220020900
    Abstract: A light emitting device includes an LED die and a wavelength conversion layer. The LED die has a light emitting top surface and light emitting side surfaces. The wavelength conversion layer contains quantum dots and a photosensitive material, and is located on the light emitting top surface. A light emitting module including multiple light emitting devices is also disclosed.
    Type: Application
    Filed: July 17, 2020
    Publication date: January 20, 2022
    Inventors: Shiou-Yi KUO, Jian-Chin LIANG, Yu-Chun LEE, Fu-Hsin CHEN, Chih-Hao LIN
  • Publication number: 20210367113
    Abstract: The display device includes a substrate, a patterned wall, the first, second, third sub-pixels, and an optical layer. The patterned wall is disposed on the substrate and has a plurality of openings. The first sub-pixel is disposed in one of the openings and includes a light-emitting element and a wavelength conversion layer. The second sub-pixel is disposed in one of the openings and includes a light-emitting element and a wavelength conversion layer. The third sub-pixel is disposed in one of the openings and includes a light-emitting element and a wavelength conversion layer, wherein a first distance between a top surface of the light-emitting element and a top surface of the patterned wall is about 10 um to about 100 um. The optical layer is disposed on the patterned wall and in direct contact with at least one of the first sub-pixel, the second sub-pixel, and the third sub-pixel.
    Type: Application
    Filed: May 21, 2020
    Publication date: November 25, 2021
    Inventors: Chih-Hao LIN, Hui-Ru WU, Jo-Hsiang CHEN, Jian-Chin LIANG, Ai-Sen LIU
  • Publication number: 20210343721
    Abstract: A method for manufacturing a dynamic random access memory includes: forming a buried bit line in a substrate; forming a plurality of buried word lines in the substrate, wherein the bottom surfaces of the buried word lines are higher than the top surface of the buried bit line; forming a bit line contact structure on the buried bit line; forming a through hole passing through the bit line contact structure, wherein the bit line contact structure is not in direct contact with the buried bit line, and the material of the bit line contact structure is different from the material of the buried bit line; forming a conductive plug between the bit line contact structure and the buried bit line; and forming a capacitor structure on the substrate.
    Type: Application
    Filed: July 14, 2021
    Publication date: November 4, 2021
    Inventor: Chih-Hao LIN
  • Publication number: 20210328120
    Abstract: A light-emitting device includes a micro light-emitting diode chip (micro LED chip), a first electrical connecting layer, a second electrical connecting layer and a housing layer. The micro LED chip includes a light exit surface, a bottom surface opposite to the light exit surface and first and second electrodes located on the bottom surface. The first and second electrical connecting layers respectively connect to the first and second electrodes and extend along two opposite sidewalls to two sides of a perimeter of the light exit surface. The housing layer encloses the micro LED chip and the first and second electrical connecting layer. The light exit surface of the micro LED chip and top surfaces of the first and second electrical connecting layers are not enclosed by the housing layer.
    Type: Application
    Filed: October 23, 2020
    Publication date: October 21, 2021
    Inventors: Shiou-Yi KUO, Jian-Chin LIANG, Jo-Hsiang CHEN, Chih-Hao LIN
  • Patent number: 11152295
    Abstract: A semiconductor package structure includes a first package including a bonding region and a periphery region surrounding the bonding region, at least one insulating structure disposed in the bonding region of the first package, a second package disposed over the first package and the insulating structure in the bonding region, and a plurality of connectors disposed between the first package and the second package. The plurality of connectors provide electrical connection between the first package and the second package. Further, the insulating structure penetrates the first package and is spaced apart from the plurality of connectors.
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: October 19, 2021
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Chih-Hao Lin, Chien-Kuo Chang, Tzu-Kai Lan, Hui-Ting Lin, Chun-Min Lin
  • Publication number: 20210296486
    Abstract: A non-volatile memory structure including a substrate, a plurality of charge storage layers, a first dielectric layer, and a control gate is provided. The charge storage layers are located on the substrate. An opening is provided between two adjacent charge storage layers. The first dielectric layer is located on the charge storage layers and on a surface of the opening. A bottom cross-sectional profile of the first dielectric layer located in the opening is a profile that is recessed on both sides. The control gate is located on the first dielectric layer and fills the opening.
    Type: Application
    Filed: March 18, 2020
    Publication date: September 23, 2021
    Applicant: Winbond Electronics Corp.
    Inventors: Yi-Hui Chen, Chih-Hao Lin
  • Publication number: 20210272919
    Abstract: A semiconductor package is provided, including a package component and a number of conductive features. The package component has a non-planar surface. The conductive features are formed on the non-planar surface of the package component. The conductive features include a first conductive feature and a second conductive feature respectively arranged in a first position and a second position of the non-planar surface. The height of the first position is less than the height of the second position, and the size of the first conductive feature is smaller than the size of the second conductive feature.
    Type: Application
    Filed: May 17, 2021
    Publication date: September 2, 2021
    Inventors: Chih-Hao LIN, Chien-Kuo CHANG, Tzu-Kai LAN, Chung-Chih CHEN, Jr-Lin HSU