Patents by Inventor Tung-Kai Liu

Tung-Kai Liu 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: 20180190876
    Abstract: A display device is provided. The display device includes a thin-film transistor substrate, a conductive pad disposed on the thin-film transistor substrate, and an adhesion film disposed on the conductive pad. The adhesion film includes a plurality of conductive particles. The display device also includes a light-emitting component disposed on the adhesion film. The light-emitting component includes a connection feature. The display device also includes a protection layer partially surrounding the light-emitting component. The connection feature of the light-emitting component has a lower portion not surrounded by the protection layer. The adhesion film has a thickness of T, one of the plurality of conductive particles has a diameter of d, the lower portion of the connection feature has a thickness of t, and 0<t?T?d.
    Type: Application
    Filed: July 26, 2017
    Publication date: July 5, 2018
    Inventors: Tung-Kai LIU, Tsau-Hua HSIEH, Hui-Chieh WANG, Shu-Ming KUO, Ming-I CHAO, Shun-Yuan HU
  • Patent number: 9941452
    Abstract: A display device is provided. The display device includes a first substrate, a display unit, a second substrate, and a light shielding structure. The display unit is disposed on the first substrate and includes at least one light emitting diode chip. The light shielding structure surrounds the light emitting diode chip of the display units and is located between the first substrate and the second substrate.
    Type: Grant
    Filed: February 14, 2017
    Date of Patent: April 10, 2018
    Assignee: INNOLUX CORPORATION
    Inventors: Li-Wei Mao, Tung-Kai Liu, Bo-Feng Chen, Tsau-Hua Hsieh
  • Patent number: 9935136
    Abstract: A manufacturing method of display with lighting devices is disclosed, including providing a tank containing a liquid; disposing a carrying plate with several recessed regions in the tank, and the carrying plate being immersed in the liquid; dropping several lighting devices into the liquid, wherein each of the lighting devices includes two conductive pads, and one of the two conductive pads includes a magnetic material; applying a magnetic field for the lighting devices and the lighting devices will dispose within the recessed regions of the carrying plate; removing the carrying plate with the lighting devices out of the tank, and assembling the lighting devices to an array substrate.
    Type: Grant
    Filed: November 25, 2016
    Date of Patent: April 3, 2018
    Assignee: INNOLUX CORPORATION
    Inventors: Bo-Feng Chen, Tsau-Hua Hsieh, Tung-Kai Liu
  • Publication number: 20180040822
    Abstract: A light-emitting diode display device includes a light-emitting diode and a substrate. The light-emitting diode includes a central axis, and the substrate includes a first connecting portion and a second connecting portion. The central axis is extended through the first connecting portion. The second connecting portion is disposed outside of the first connecting portion and is spaced apart from the first connecting portion by a distance which is greater than zero, and the first connecting portion and the second connecting portion are respectively electrically connected to the light-emitting diode.
    Type: Application
    Filed: July 28, 2017
    Publication date: February 8, 2018
    Inventors: Chun-Hsien LIN, Ming-Chang LIN, Tzu-Min YAN, Tsau-Hua HSIEH, Tung-Kai LIU, Jui-Feng KO, Hui-Chieh WANG
  • Publication number: 20170373264
    Abstract: A display device is provided. The display device includes a first substrate having a light-emitting region and a first transparent region. The first substrate includes a plurality of transistors and at least one light-emitting diode disposed in the light-emitting region. The light-emitting diode includes a first electrode electrically connected to the corresponding transistor and a first semiconductor layer disposed over the first electrode. The light-emitting diode also includes a second semiconductor layer disposed over the first semiconductor layer and a light-emitting layer disposed between the first semiconductor layer and the second semiconductor layer, wherein the distance between the top surface of the first electrode and the top surface of the second semiconductor layer is between 2 ?m and 12 ?m.
    Type: Application
    Filed: June 27, 2017
    Publication date: December 28, 2017
    Inventors: Tung-Kai LIU, Tsau-Hua HSIEH, Chun-Hsien LIN, Shu-Ming KUO, Chih-Yung HSIEH
  • Publication number: 20170372677
    Abstract: A display panel including a first current source and a first pixel unit is provided. The first pixel unit includes a first switch and a first light-emitting diode. The first switch is coupled to the first current source and receives a first scan signal. When the first scan signal is enabled, the first switch is turned on and receives a first current provided by the first current source. The first light-emitting diode is coupled to the first switch. When the first switch is turned on, the first current passes through the first light-emitting diode to turn on the first light-emitting diode.
    Type: Application
    Filed: June 23, 2017
    Publication date: December 28, 2017
    Inventors: Geng-Fu CHANG, Tsau-Hua HSIEH, Jui-Feng KO, Tung-Kai LIU, Hirofumi WATSUDA
  • Publication number: 20170358503
    Abstract: A display device includes a substrate, a first transistor, a second transistor and a conductive connection portion disposed on the substrate. The first transistor is electrically connected to the gate electrode of the second transistor through the conductive connection portion. An insulating layer is disposed on the conductive connection portion. A pixel electrode is disposed on the insulating layer and is electrically connected to the second transistor. The pixel electrode is at least partially overlapped with the conductive connection portion. A light-emitting element is disposed on the pixel electrode. The conductive connection portion and the pixel electrode form a capacitor. The capacitor has an equivalent permittivity and a thickness. The ratio of the equivalent permittivity to the thickness is in a range from 0.4*(1E+5)F/m?2 to 296.48*(1E+5)F/m?2.
    Type: Application
    Filed: June 8, 2017
    Publication date: December 14, 2017
    Inventors: Tung-Kai LIU, Tsau-Hua HSIEH, Wei-Cheng CHU, Chun-Hsien LIN, Chandra LIUS, Ting-Kai HUNG, Kuan-Feng LEE, Ming-Chang LIN, Tzu-Min YAN, Hui-Chieh WANG
  • Publication number: 20170345692
    Abstract: The current disclosure provides a pickup and placing device including a control element, a substrate and a pickup structure. The substrate has an upper surface and a lower surface opposite to each other and a plurality of conductive via structures, wherein the conductive via structures are electrically connected to the control element. The pickup structure includes a plurality of pickup heads used for picking up or placing a plurality of light emitting diodes respectively. The pickup structure is disposed on the lower surface of the substrate or disposed in the substrate and extended outside the substrate, and the substrate is disposed between the control element and the pickup structure, wherein the pickup heads are electrically connected to the conductive via structures.
    Type: Application
    Filed: May 24, 2017
    Publication date: November 30, 2017
    Applicant: Innolux Corporation
    Inventors: Tung-Kai Liu, Tsau-Hua Hsieh, Bo-Feng Chen, Hui-Chieh Wang
  • Publication number: 20170338211
    Abstract: Provided is a display device, which includes a substrate, a transistor, a capacitor and a light emitting unit. The transistor and the capacitor are disposed on the substrate. The light emitting unit is disposed on the substrate and arranged corresponding to the capacitor. The light emitting unit includes a first light emitting diode. The first light emitting diode is electrically connected with the transistor and overlaps the capacitor. The display device has favorable space utilization, provides a repair function, or reduces the probability of failure.
    Type: Application
    Filed: April 13, 2017
    Publication date: November 23, 2017
    Applicant: Innolux Corporation
    Inventors: Chun-Hsien Lin, Shun-Yuan Hu, Tsau-Hua Hsieh, Li-Wei Mao, Tung-Kai Liu, Shu-Ming Kuo, Chih-Yung Hsieh
  • Publication number: 20170338212
    Abstract: The disclosure relates to a display device, including a first substrate, a light emitting component, an insulating layer, and a conductive element. The first substrate has a driving component and a common line. The light emitting component is disposed on the first substrate and has a first electrode and a second electrode. The first electrode is electrically connected to the driving component. The insulating layer is disposed to the first substrate and has a first opening and a second opening. The first opening exposes the second electrode of the light emitting component. The second opening exposes the common line. The common line is electrically connected to the second electrode through the conductive element.
    Type: Application
    Filed: May 19, 2017
    Publication date: November 23, 2017
    Applicant: Innolux Corporation
    Inventors: Shu-Ming Kuo, Chih-Yung Hsieh, Li-Wei Mao, Tsau-Hua Hsieh, Tung-Kai Liu, Chia-Hsiu Hsu
  • Publication number: 20170301283
    Abstract: An LED display apparatus, wherein the LED display apparatus includes a substrate having a first active area, a first LED element disposed in the first active area and a driving circuit electrically connects to the first LED element to drive the first LED element generating a continuous pulsed light having a first wave length range within a displaying time interval, wherein the first continuous pulsed light has a plurality of first light intensities and a plurality of second light intensities. The plurality of first light intensities are respectively corresponding to a first holding time interval and the plurality of second light intensities are corresponding to s a second holding time interval, at least one of the plurality of second light intensities is greater than at least one of the plurality of first light intensities, and the second holding time interval is less than the first holding time interval.
    Type: Application
    Filed: April 12, 2017
    Publication date: October 19, 2017
    Applicant: Innolux Corporation
    Inventors: Tung-Kai LIU, Tsau-Hua HSIEH, Bo-Feng CHEN
  • Publication number: 20170263828
    Abstract: A display device is provided. The display device includes a first substrate, a display unit, a second substrate, and a light shielding structure. The display unit is disposed on the first substrate and includes at least one light emitting diode chip. The light shielding structure surrounds the light emitting diode chip of the display units and is located between the first substrate and the second substrate.
    Type: Application
    Filed: February 14, 2017
    Publication date: September 14, 2017
    Applicant: Innolux Corporation
    Inventors: Li-Wei MAO, Tung-Kai LIU, Bo-Feng CHEN, Tsau-Hua HSIEH
  • Publication number: 20170194307
    Abstract: A light emitting diode substrate includes a substrate, a plurality of first light emitting diode and second light emitting diode. The first light emitting diode are disposed on the substrate and arranged along a first direction and a second direction to form a first array. The first light emitting diode have a first side length extending along the first direction and a second side length extending along the second direction. The second light emitting diode are disposed on the substrate and arranged along the first direction and the second direction to form a second array. The second light emitting diode have a third side length extending along the first direction and a forth side length extending along the second direction. A first difference between the first side length and the third side length is less than a second difference between the second side length and the forth side length.
    Type: Application
    Filed: January 4, 2017
    Publication date: July 6, 2017
    Applicant: Innolux Corporation
    Inventors: Tung-Kai LIU, Tsau-Hua HSIEH, Bo-Feng CHEN, Wan-Ling HUANG
  • Publication number: 20170154919
    Abstract: A manufacturing method of display with lighting devices is disclosed, including providing a tank containing a liquid; disposing a carrying plate with several recessed regions in the tank, and the carrying plate being immersed in the liquid; dropping several lighting devices into the liquid, wherein each of the lighting devices includes two conductive pads, and one of the two conductive pads includes a magnetic material; applying a magnetic field for the lighting devices and the lighting devices will dispose within the recessed regions of the carrying plate; removing the carrying plate with the lighting devices out of the tank, and assembling the lighting devices to an array substrate.
    Type: Application
    Filed: November 25, 2016
    Publication date: June 1, 2017
    Applicant: Innolux Corporation
    Inventors: Bo-Feng CHEN, Tsau-Hua HSIEH, Tung-Kai LIU
  • Publication number: 20170017340
    Abstract: A touch display panel capable of operating in a display mode and a touch mode. In the touch mode, a data line transmits a data voltage signal to a pixel electrode of the touch display panel, and a corresponding common electrode is at a constant voltage level. In the touch mode, the data line transmits a touch driving signal to the pixel electrode and then receives a touch sensing signal from the pixel electrode, and the corresponding common electrode is floating.
    Type: Application
    Filed: June 23, 2016
    Publication date: January 19, 2017
    Inventors: Tung-Kai LIU, Jen-Chieh PENG, Chia-Hao TSAI, Chih-Hao CHANG, Bo-Feng CHEN
  • Publication number: 20170017338
    Abstract: A touch display device is disclosed, which comprises: a substrate; a thin film transistor unit disposed on the substrate; a first insulating layer disposed on the thin film transistor unit; a touch signal line layer disposed on the first insulating layer; a second insulating layer disposed on the touch signal line layer; a first transparent conducting layer disposed on the second insulating layer; a third insulating layer disposed on the first transparent conducting layer; and a second transparent conducting layer disposed on the third insulating layer.
    Type: Application
    Filed: June 8, 2016
    Publication date: January 19, 2017
    Inventors: Chia-Hao TSAI, Jen-Chieh PENG, Chih-Hao CHANG, Bo-Feng CHEN, Tung-Kai LIU
  • Publication number: 20170017328
    Abstract: A touch display panel includes a substrate, a first metal layer, a second metal layer, common electrode pads, and a driving IC. The substrate includes a display area and a non-display area. The first metal layer disposed on the substrate includes gate lines and first metal wires, wherein the gate lines extend along a first direction. The second metal layer disposed on the substrate includes data lines and second metal wires, wherein the data lines extend along a second direction. The common electrode pads are disposed on the display area along the first direction and the second direction. The first metal wires and/or second metal wires are connected the common electrode pads and the driving IC. The first metal wires and/or second metal wires extend to the non-display area and extend to the display area along the first direction.
    Type: Application
    Filed: July 15, 2016
    Publication date: January 19, 2017
    Inventors: Chia-Hao TSAI, Jen-Chieh PENG, Chih-Hao CHANG, Bo-Feng CHEN, Tung-Kai LIU
  • Publication number: 20170017341
    Abstract: A touch display panel includes common electrodes arranged along a first direction and a second direction, At least one common electrode having a first side and a second side parallel to the second direction, and metal wires extending parallel along the second direction. At least one common electrode is connected with one of the metal wires via at least a contact hole. The common electrodes include a first common electrode and a second common electrode that are adjacent in the first direction. The second side of the first common electrode is adjacent to the first side of the second electrode. The distance between the contact hole of the first common electrode and the second side of the first common electrode is equal to the distance between the contact hole of the second common electrode and the first side of the second common electrode.
    Type: Application
    Filed: July 6, 2016
    Publication date: January 19, 2017
    Inventors: Bo-Feng CHEN, Tung-Kai LIU, Chih-Hao CHANG, Chia-Hao TSAI, Jen-Chieh PENG
  • Publication number: 20170017320
    Abstract: A touch display panel includes: a common electrode; a first switching element connected between a voltage line and the common electrode; a data line transmitting a data signal during a display period and a touch sensing signal during a touch period; a pixel electrode; a second switching element connected between the data line and the pixel electrode; and a third switching element connected between the data line and the common electrode. During the display period, the first switching element and the second switching element are turned on and the third switching element is turned off. During the touch period, the first switching element and the second switching element are turned off and the third switching element is turned on.
    Type: Application
    Filed: July 6, 2016
    Publication date: January 19, 2017
    Inventors: Chia-Hao TSAI, Chih-Hao CHANG, Bo-Feng CHEN, Tung-Kai LIU, Jen-Chieh PENG
  • Publication number: 20170017327
    Abstract: A touch display device is provided. The touch display device includes a first substrate; a transistor disposed over the first substrate; a first insulating layer disposed over the transistor; a first electrode disposed over the first insulating layer; a second insulating layer disposed over the first electrode; a conductive layer disposed over the second insulating layer, wherein the conductive layer includes a touch signal line; a third insulating layer disposed over the conductive layer; and a second electrode disposed over the third insulating layer, wherein one of the first electrode and the second electrode is electrically connected to the touch signal line, wherein another one of the first electrode and the second electrode is electrically connected to the transistor and at least partially overlaps the conductive layer.
    Type: Application
    Filed: July 15, 2016
    Publication date: January 19, 2017
    Inventors: Chih-Hao CHANG, Bo-Feng CHEN, Chia-Hao TSAI, Tung-Kai LIU, Jen-Chieh PENG