Patents by Inventor Chi-Liang Chang

Chi-Liang Chang 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).

  • Patent number: 11036081
    Abstract: A backlight module includes a light guiding unit having a light input surface and a light-emitting unit having light-emitting elements disposed along a first direction and adjacent to the light input surface. A second direction is from the light input surface to the light-emitting unit. A first protruding portion of the light guiding unit includes a sharp protrusion tip at the bottom surface and a part of the light input surface. A curved convex connecting surface of the light input surface connects to the first protruding portion to form a turning portion which is disposed between the connecting surface and the first protruding portion, and is at its intermediate portion and outwardly protrudes toward the light-emitting elements along the second direction. The light-emitting elements are across from the connecting surface and generally positioned above the first protruding portion in the third direction.
    Type: Grant
    Filed: February 24, 2020
    Date of Patent: June 15, 2021
    Assignee: INNOLUX CORPORATION
    Inventors: Chi-Liang Chang, Chao-Chun Huang, Chen-Chia Wu, Chao-Fang Chung
  • Publication number: 20210150947
    Abstract: An electronic device is disclosed and includes a base substrate, a first circuit layer and a plurality of light-emitting elements. The base substrate has a first surface and a second surface opposite to each other. The first circuit layer includes a first portion and a second portion. The first portion is disposed on the first surface of the base substrate, and the second portion is disposed on the second surface of the base substrate. The light-emitting elements are disposed on the first portion of the first circuit layer. At least one of the second surface of the base substrate and the first portion of the first circuit layer includes at least one microstructure.
    Type: Application
    Filed: January 28, 2021
    Publication date: May 20, 2021
    Inventors: Chin-Lung Ting, Chung-Kuang Wei, Li-Wei Mao, Chi-Liang Chang, Chia-Hui Lin
  • Patent number: 11013111
    Abstract: An electronic device includes a first substrate, a first conductive layer, a plurality of first electrode pads, a plurality of first light-emitting units, a plurality of first signal pads and a conductive structure. The first conductive layer is disposed on the first substrate. The first electrode pads are disposed on the first conductive layer. The first light-emitting units overlap and are disposed on the first electrode pads. The first light-emitting units are electrically connected to the first electrode pads respectively. The first signal pads are disposed on the first conductive layer and electrically connected to the first conductive layer. The conductive structure is disposed on the first signal pads, and at least two of the first signal pads are electrically connected to each other through the conductive structure.
    Type: Grant
    Filed: May 3, 2019
    Date of Patent: May 18, 2021
    Assignee: INNOLUX CORPORATION
    Inventors: Wen-Chang Tsai, Li-Wei Mao, Ming-Chun Tseng, Chi-Liang Chang, Yi-Hua Hsu, Meng-Chieh Cheng
  • Patent number: 10986725
    Abstract: A light-emitting module is provided. The light-emitting module includes a light-emitting structure and a carrying substrate. The light-emitting structure includes a plurality of light-emitting elements and a first positioning mark. The carrying substrate includes a second positioning mark. The light-emitting structure is fixed on the carrying substrate along a direction, and the first positioning mark and the second positioning mark overlap in the direction.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: April 20, 2021
    Assignee: INNOLUX CORPORATION
    Inventors: Chi-Liang Chang, Wen-Chang Tsai, Meng-Chieh Cheng
  • Patent number: 10957226
    Abstract: An electronic device and a tiling electronic apparatus are disclosed and include a base substrate, a first circuit layer and a plurality of light-emitting elements. The base substrate has a first surface and a second surface opposite to each other. The first circuit layer includes a first portion and a second portion. The first portion is disposed on the first surface of the base substrate, and the second portion is disposed on the second surface of the base substrate. The light-emitting elements are disposed on the first portion of the first circuit layer. At least one of the second surface of the base substrate and the first portion of the first circuit layer includes at least one microstructure.
    Type: Grant
    Filed: March 24, 2019
    Date of Patent: March 23, 2021
    Assignee: InnoLux Corporation
    Inventors: Chin-Lung Ting, Chung-Kuang Wei, Li-Wei Mao, Chi-Liang Chang, Chia-Hui Lin
  • Patent number: 10916530
    Abstract: An electronic device includes a substrate, a plurality of metal pads, and a plurality of light emitting diodes. The metal pads are disposed on the substrate and form an array. Each of the light emitting diodes is electrically connected to at least two of the metal pads. The metal pads include a plurality of dummy metal pads electrically isolated to the light emitting diodes.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: February 9, 2021
    Assignee: InnoLux Corporation
    Inventors: Chin-Lung Ting, Ming-Chun Tseng, Chi-Liang Chang
  • Patent number: 10824024
    Abstract: An electronic apparatus having a display device including a display panel and a light source. The display panel includes a first substrate and a second substrate disposed oppositely, and a display medium layer disposed therebetween. The light source is disposed adjacent to the display panel. The display panel includes several display units, including a first display unit and a second display unit when light passes through the display medium layer. The second display unit is farther from the light source than the first display unit. It is designed that the second haze value is greater than the first haze value.
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: November 3, 2020
    Assignee: INNOLUX CORPORATION
    Inventors: Masahiro Yoshiga, Chi-Liang Chang
  • Publication number: 20200323090
    Abstract: A display apparatus includes a fixing frame, a first display device, and a second display device. The first display device is disposed on the fixing frame, and includes a top portion, an upper electrical connector connected to the top portion, and an upper receiving groove located at the top portion. When the upper electrical connector is located in a storage position, the upper electrical connector is located in the upper receiving groove. The second display device is disposed on the fixing frame, and includes a bottom portion and a lower electrical connector electrically located at the bottom portion, wherein the lower electrical connector is electrically connected to the upper electrical connector.
    Type: Application
    Filed: June 18, 2020
    Publication date: October 8, 2020
    Inventor: Chi-Liang CHANG
  • Publication number: 20200287109
    Abstract: An electronic device includes a substrate, a light-emitting element, and a spacing structure. The light-emitting element is disposed on the substrate. The spacing structure is disposed adjacent to the light-emitting element, and the spacing structure includes a first wall, a second wall, and a boundary portion. The first wall includes a first protrusion portion and extends in a first direction. The second wall includes a second protrusion portion and extends in a second direction, and the first direction is different from the second direction. The boundary portion is connected to the first protrusion portion and the second protrusion portion, and the height of the boundary portion is lower than the height of the first protrusion portion.
    Type: Application
    Filed: February 18, 2020
    Publication date: September 10, 2020
    Inventors: Chi-Liang CHANG, Fang-Ho LIN, Ya-Fen CHENG, Chia-Hui LIN, I-Chang LIANG, Hsin-Cheng HUNG
  • Patent number: 10729020
    Abstract: A display apparatus includes a fixing frame, a first display device, and a second display device. The first display device is disposed on the fixing frame, and includes an upper electrical connector. The second display device is disposed on the fixing frame and the first display device, and includes a lower electrical connector electrically connected to the upper electrical connector.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: July 28, 2020
    Assignee: INNOLUX CORPORATION
    Inventor: Chi-Liang Chang
  • Publication number: 20200192157
    Abstract: A backlight module includes a light guiding unit having a light input surface and a light-emitting unit having light-emitting elements disposed along a first direction and adjacent to the light input surface. A second direction is from the light input surface to the light-emitting unit. A first protruding portion of the light guiding unit includes a sharp protrusion tip at the bottom surface and a part of the light input surface. A curved convex connecting surface of the light input surface connects to the first protruding portion to form a turning portion which is disposed between the connecting surface and the first protruding portion, and is at its intermediate portion and outwardly protrudes toward the light-emitting elements along the second direction. The light-emitting elements are across from the connecting surface and generally positioned above the first protruding portion in the third direction.
    Type: Application
    Filed: February 24, 2020
    Publication date: June 18, 2020
    Inventors: Chi-Liang CHANG, Chao-Chun HUANG, Chen-Chia WU, Chao-Fang CHUNG
  • Publication number: 20200064675
    Abstract: An electronic apparatus having a display device including a display panel and a light source. The display panel includes a first substrate and a second substrate disposed oppositely, and a display medium layer disposed therebetween. The light source is disposed adjacent to the display panel. The display panel includes several display units, including a first display unit and a second display unit when light passes through the display medium layer. The second display unit is farther from the light source than the first display unit. It is designed that the second haze value is greater than the first haze value.
    Type: Application
    Filed: August 23, 2018
    Publication date: February 27, 2020
    Inventors: Masahiro YOSHIGA, Chi-Liang CHANG
  • Publication number: 20190373723
    Abstract: An electronic device includes a first substrate, a first conductive layer, a plurality of first electrode pads, a plurality of first light-emitting units, a plurality of first signal pads and a conductive structure. The first conductive layer is disposed on the first substrate. The first electrode pads are disposed on the first conductive layer. The first light-emitting units overlap and are disposed on the first electrode pads. The first light-emitting units are electrically connected to the first electrode pads respectively. The first signal pads are disposed on the first conductive layer and electrically connected to the first conductive layer. The conductive structure is disposed on the first signal pads, and at least two of the first signal pads are electrically connected to each other through the conductive structure.
    Type: Application
    Filed: May 3, 2019
    Publication date: December 5, 2019
    Inventors: Wen-Chang TSAI, Li-Wei MAO, Ming-Chun TSENG, Chi-Liang CHANG, Yi-Hua HSU, Meng-Chieh CHENG
  • Publication number: 20190326265
    Abstract: An electronic device includes a substrate, a plurality of metal pads, and a plurality of light emitting diodes. The metal pads are disposed on the substrate and form an array. Each of the light emitting diodes is electrically connected to at least two of the metal pads. The metal pads include a plurality of dummy metal pads electrically isolated to the light emitting diodes.
    Type: Application
    Filed: March 27, 2019
    Publication date: October 24, 2019
    Inventors: Chin-Lung Ting, Ming-Chun Tseng, Chi-Liang Chang
  • Publication number: 20190327843
    Abstract: A display apparatus includes a fixing frame, a first display device, and a second display device. The first display device is disposed on the fixing frame, and includes an upper electrical connector. The second display device is disposed on the fixing frame and the first display device, and includes a lower electrical connector electrically connected to the upper electrical connector.
    Type: Application
    Filed: March 19, 2019
    Publication date: October 24, 2019
    Inventor: Chi-Liang CHANG
  • Publication number: 20190325789
    Abstract: An electronic device and a tiling electronic apparatus are disclosed and include a base substrate, a first circuit layer and a plurality of light-emitting elements. The base substrate has a first surface and a second surface opposite to each other. The first circuit layer includes a first portion and a second portion. The first portion is disposed on the first surface of the base substrate, and the second portion is disposed on the second surface of the base substrate. The light-emitting elements are disposed on the first portion of the first circuit layer. At least one of the second surface of the base substrate and the first portion of the first circuit layer includes at least one microstructure.
    Type: Application
    Filed: March 24, 2019
    Publication date: October 24, 2019
    Inventors: Chin-Lung Ting, Chung-Kuang Wei, Li-Wei Mao, Chi-Liang Chang, Chia-Hui Lin
  • Publication number: 20190327827
    Abstract: A light-emitting module is provided. The light-emitting module includes a light-emitting structure and a carrying substrate. The light-emitting structure includes a plurality of light-emitting elements and a first positioning mark. The carrying substrate includes a second positioning mark. The light-emitting structure is fixed on the carrying substrate along a direction, and the first positioning mark and the second positioning mark overlap in the direction.
    Type: Application
    Filed: April 3, 2019
    Publication date: October 24, 2019
    Inventors: Chi-Liang CHANG, Wen-Chang TSAI, Meng-Chieh CHENG
  • Publication number: 20190325814
    Abstract: An electronic apparatus includes a first display panel and a second display panel. The first display panel includes first light-emitting elements, a first edge, and a first left region. The second display panel includes second light-emitting elements, a second edge adjacent to the first edge, and a first right region. The difference between the average brightness of the first light-emitting elements located in the first left region of the first display panel and the average brightness of the second light-emitting elements located in the first right region of the second display panel is from 0% to 20%.
    Type: Application
    Filed: March 21, 2019
    Publication date: October 24, 2019
    Inventors: Chi-Liang CHANG, Yi-Hua HSU
  • Publication number: 20180046028
    Abstract: A display device includes a display panel and a backlight module. The backlight module includes a light-emitting unit and a light guiding unit. The light guiding unit has a light input surface. The light-emitting unit has a plurality of light-emitting elements, which are disposed along a first direction and adjacent to the light input surface. A second direction is from the light input surface to the light-emitting unit. The light guiding unit includes a first protruding portion, which includes a part of the light input surface. The light input surface includes a connecting surface, which connects to the first protruding portion to form a turning portion. The turning portion is disposed between the connecting surface and the first protruding portion. The connecting surface is a planar or curved surface protruding along the second direction. The first protruding portion protrudes along the second direction and extends along the first direction.
    Type: Application
    Filed: August 9, 2017
    Publication date: February 15, 2018
    Inventors: Chi-Liang CHANG, Chao-Chun HUANG, Chen-Chia WU, Chao-Fang CHUNG
  • Patent number: 9778408
    Abstract: A backlight module includes a plurality of first light emitting elements and a light guiding plate including a first side, a second side and a light output side having microstructures at least disposed in a near-light region of the light guiding plate. The near-light region is defined as from a first line to a predetermined second line at the light output side. The microstructure has a width P and height H, the light-guiding plate has a thickness T, a pitch between the adjacent first light-emitting elements is defined as PLED, a projection distance from a luminance measuring line of the backlight module to the first light-emitting elements is defined as A. Under the conditions 0<A?120 mm, 0<[(H/P)/T]*PLED?15 and 0<luminance variation?100%, the structure characteristic of the backlight module is bounded by a first equation: A=0.2{[(H/P)/T]*PLED}2?2{[(H/P)/T]*PLED}+105 mm and a second equation: A=0.2{[(H/P)/T]*PLED}2?2{[(H/P)/T]*PLED}+0.1 mm.
    Type: Grant
    Filed: May 14, 2014
    Date of Patent: October 3, 2017
    Assignee: Innolux Corporation
    Inventors: Chi-Liang Chang, Chia-Wei Hu, Yen-Liang Chen, Chia-Feng Chen