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: 20230174709
    Abstract: A resin compound has a structure represented by a chemical formula (I): In the chemical formula (I), each R1 independently represents a C1-C20 alkylene group or a C7-C40 alkylarylene group, and R1 are the same or different from each other; n independently represents an integer of 1-4; each R2 independently represents a C1-C20 alkyl group or a C2-C20 terminal alkenyl group, and R2 are the same or different from each other. When at least one of R1 represents a C1-C20 alkylene group, at least one of R2 is a C2-C20 terminal alkenyl group.
    Type: Application
    Filed: February 1, 2022
    Publication date: June 8, 2023
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Meei-Yu HSU, Chih-Hao LIN, Kai-Chi CHEN, Yi-Chun CHEN
  • Patent number: 11670749
    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: Grant
    Filed: March 3, 2022
    Date of Patent: June 6, 2023
    Assignee: Lextar Electronics Corporation
    Inventors: Chih-Hao Lin, Jo-Hsiang Chen, Shih-Lun Lai, Min-Che Tsai, Jian-Chin Liang
  • Patent number: 11664483
    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: Grant
    Filed: October 23, 2020
    Date of Patent: May 30, 2023
    Assignee: Lextar Electronics Corporation
    Inventors: Shiou-Yi Kuo, Jian-Chin Liang, Jo-Hsiang Chen, Chih-Hao Lin
  • Publication number: 20230155062
    Abstract: A package structure is provided. The package structure has a light-emitting region and a non-light-emitting region that is adjacent to the light-emitting region, and includes a substrate, a first light-emitting layer, a second light-emitting layer and a third light-emitting layer. The first light-emitting layer, the second light-emitting layer and the third light-emitting layer are sequentially stacked on the substrate. Each of the first light-emitting layer, the second light-emitting layer and the third light-emitting layer includes a transparent adhesive layer disposed in the light-emitting region, a light-emitting diode (LED) chip disposed on the transparent adhesive layer, a redistribution layer formed on the LED chip and extending from the light-emitting region to the non-light-emitting region, and a planarization layer disposed on the LED chip and the redistribution layer.
    Type: Application
    Filed: September 13, 2022
    Publication date: May 18, 2023
    Inventors: Kang-Hung LIU, Chih-Hao LIN, Shiou-Yi KUO
  • Patent number: 11652004
    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: December 20, 2021
    Date of Patent: May 16, 2023
    Assignee: WINBOND ELECTRONICS CORP.
    Inventors: Yi-Tsung Tsai, Chia-Wei Wu, Chih-Hao Lin, Chien-Chih Li
  • Publication number: 20230131636
    Abstract: Embodiments provide a micro light-emitting diode package structure and a method for forming the same. The micro light-emitting diode package structure includes a redistribution layer, a control device, micro light-emitting diodes, and a flexible material layer. The control device and the micro light-emitting diodes are disposed on and electrically connected to the redistribution layer. The flexible material layer covers the control device and the micro light-emitting diodes, wherein the micro light-emitting diodes are in contact with the flexible material layer.
    Type: Application
    Filed: October 20, 2022
    Publication date: April 27, 2023
    Inventors: Shiou-Yi KUO, Guo-Yi SHIU, Chih-Hao LIN, Min-Che TSAI, Jian-Chin LIANG
  • Publication number: 20230123048
    Abstract: A curable composition and an electronic device employing the same are provided. The curable composition includes 100 parts by mole of a first siloxane compound represented by Formula (I) wherein n is 8 to 232, wherein R1 is independently C1-3 alkyl group; 1 to 15 parts by mole of a second siloxane compound represented by Formula (II) wherein x?2, y?2, and x/y is between 0.1 and 3, and R2, R3 and R4 are independently C1-3 alkyl group; 1 to 15 parts by mole of a third siloxane compound represented by Formula (III) and 90 to 250 parts by mole of a curing agent represented by Formula (IV) wherein m is 7 to 230, wherein R5 is independently C1-3 alkyl group.
    Type: Application
    Filed: December 1, 2021
    Publication date: April 20, 2023
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Chih-Hao LIN, Yueh-Chuan HUANG, Kai-Chi CHEN, Wen-Bin CHEN
  • Publication number: 20230111709
    Abstract: A display device includes a plurality of first packages and a plurality of second packages. The first packages are arranged on the substrate and each of the first packages includes a plurality of first light-emitting chips. The second packages are arranged on the substrate and each of the second packages includes a plurality of second light-emitting chips. The first packages and the second packages are alternately arranged in a first direction, and an arrangement of the first light-emitting chips of the first packages is different from an arrangement of the second light-emitting chips of the second packages.
    Type: Application
    Filed: August 25, 2022
    Publication date: April 13, 2023
    Inventors: Chih-Hao LIN, Wei-Yuan MA, Jo-Hsiang CHEN
  • Patent number: 11610875
    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: Grant
    Filed: November 22, 2020
    Date of Patent: March 21, 2023
    Assignee: Lextar Electronics Corporation
    Inventors: Chih-Hao Lin, Jian-Chin Liang, Chien-Nan Yeh, Shih-Lun Lai, Jo-Hsiang Chen
  • Publication number: 20230070973
    Abstract: A package structure, a display device, and manufacturing methods thereof are provided. A package structure includes a conductive element, a first dielectric layer, a redistribution layer, a second dielectric layer, a light-shielding layer, a conductive layer, and a light-emitting diode unit. The first dielectric layer is disposed on the conductive element. The redistribution layer is disposed on the first dielectric layer. The redistribution layer is electrically connected to the conductive element. The second dielectric layer is disposed on the first dielectric layer. The light-shielding layer is disposed on the second dielectric layer. The conductive layer is disposed on the redistribution layer and includes a first conductive portion with a light reflectivity of less than 30%. The light-emitting diode unit is disposed on the conductive layer.
    Type: Application
    Filed: September 7, 2022
    Publication date: March 9, 2023
    Inventors: Chih-Hao LIN, Jo-Hsiang CHEN, Wei-Yuan MA, Hui-Ru WU, Min-Che TSAI, Shiou-Yi KUO, Jian-Chin LIANG
  • Publication number: 20230074731
    Abstract: A pixel unit includes a substrate, a wiring layer and three light-emitting elements. The wiring layer includes first electrode wires and second electrode wires. The first electrode wires and the second electrode wires are arranged side by side and separated from each other by a spacing. A first blocking wall structure is at a first end portion of each of the first electrode wires, the first end portion is near the corresponding second electrode wires, and a second blocking wall structure is at a second end portion of each of the second electrode wires, the second end portion is near the corresponding first electrode wires. Three light-emitting elements emit red light, green light and blue light respectively. The light-emitting elements are in a flip chip configuration and are connected to one of the first electrode wires and one of the second electrode wires adjacent to each other respectively.
    Type: Application
    Filed: September 5, 2022
    Publication date: March 9, 2023
    Inventors: Chih-Hao LIN, Hsin-Lun SU, Min-Che TSAI, Jo-Hsiang CHEN
  • Patent number: 11588078
    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: Grant
    Filed: July 17, 2020
    Date of Patent: February 21, 2023
    Assignee: Lextar Electronics Corporation
    Inventors: Shiou-Yi Kuo, Jian-Chin Liang, Yu-Chun Lee, Fu-Hsin Chen, Chih-Hao Lin
  • Patent number: 11579460
    Abstract: A laser despeckle device includes a light source, a despeckle element, and a plurality of optical transmission modules. The light source is configured to emit a laser light. The despeckle element is disposed along the optical axis of the laser light. The optical transmission modules alternatively disposed at two opposite sides of the despeckle element.
    Type: Grant
    Filed: June 1, 2021
    Date of Patent: February 14, 2023
    Assignee: DELTA ELECTRONICS, INC.
    Inventor: Chih-Hao Lin
  • Patent number: 11552222
    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: Grant
    Filed: May 21, 2020
    Date of Patent: January 10, 2023
    Assignee: Lextar Electronics Corporation
    Inventors: Chih-Hao Lin, Hui-Ru Wu, Jo-Hsiang Chen, Jian-Chin Liang, Ai-Sen Liu
  • Publication number: 20220398973
    Abstract: A display device includes a plurality of sub-pixels. The sub-pixels include a first sub-pixel and a second sub-pixel. The first sub-pixel includes a first light emitting element and a first control circuit. The first control circuit is configured to provide a first driving current to the first light emitting element. The second sub-pixel includes a second light emitting element and a second control circuit. The second control circuit is configured to provide a second driving current to the second light emitting element. The first control circuit and the second control circuit are configured to differently control pulse amplitude of the first driving current and pulse amplitude of the second driving current, such that both of the first light emitting element and the second light emitting element emit at a target wavelength or a color point range (e.g. +/?1.5˜2 nm).
    Type: Application
    Filed: August 30, 2021
    Publication date: December 15, 2022
    Inventors: Chih-Hao LIN, Chien-Nan YEH, Jo-Hsiang CHEN, Shih-Lun LAI
  • Publication number: 20220254973
    Abstract: A light emitting element package includes a first substrate, at least one light emitting element, an encapsulation layer, and a plurality of conductive pads. The first substrate has an upper surface and a lower surface opposite to each other, in which an edge of the lower surface has a notch. The at least one light emitting element is disposed on the upper surface of the first substrate, in which the light emitting element has a positive electrode and a negative electrode. The encapsulation layer covers the light emitting element. The plurality of conductive pads are disposed on the lower surface of the first substrate and electrically connected to the positive electrode and the negative electrode of the light emitting element, respectively.
    Type: Application
    Filed: February 7, 2022
    Publication date: August 11, 2022
    Inventors: Chih-Hao LIN, Wei-Yuan MA, Jo-Hsiang CHEN
  • Publication number: 20220214555
    Abstract: A laser despeckle device includes a light source, a despeckle element, and a plurality of optical transmission modules. The light source is configured to emit a laser light. The despeckle element is disposed along the optical axis of the laser light. The optical transmission modules alternatively disposed at two opposite sides of the despeckle element.
    Type: Application
    Filed: June 1, 2021
    Publication date: July 7, 2022
    Inventor: Chih-Hao LIN
  • Patent number: 11373589
    Abstract: A display includes first and second pixel devices. The first pixel device includes a first control circuit and a first light emitting circuit. The first control circuit generates a first light emitting signal according to a first clock signal and a data signal during a first period. The first light emitting circuit emits light according to the first light emitting signal during second and third periods. The second pixel device includes a second control circuit and a second light emitting circuit. The second control circuit generates a second light emitting signal according to a second clock signal and the data signal during the second period. The second light emitting circuit is coupled to the second control circuit and emits light according to the second light emitting signal during the third period. The first period to the third period are arranged continuously in order.
    Type: Grant
    Filed: August 9, 2021
    Date of Patent: June 28, 2022
    Assignee: Lextar Electronics Corporation
    Inventors: Chien-Nan Yeh, Chih-Hao Lin, Cheng-Te Lin, Ku-Cheng Lin
  • 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