Patents by Inventor Chen-Hao Su

Chen-Hao Su 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: 20240120161
    Abstract: A keyboard device includes plural keycaps, a base plate, plural connecting elements and a circuit board. The plural connecting elements are connected with the respective keycaps and the base plate. The circuit board is located over the base plate. The circuit board includes plural membrane switches and plural first capacitance sensing units. When one of the first capacitance sensing units detects an approaching conductor or detects a motion of the conductor, a driving signal is generated or a control signal is outputted.
    Type: Application
    Filed: October 25, 2022
    Publication date: April 11, 2024
    Inventors: Chin-Sung Pan, Bo-Hao Su, Chen-Hsuan Hsu
  • Publication number: 20230066074
    Abstract: The disclosure provides a display panel including a first substrate, multiple scan lines, multiple data lines, and multiple pixel structures. The scan lines and the data lines are disposed on the first substrate and intersect each other. One of the pixel structures includes an active element, a pixel electrode, a capacitor electrode, a common electrode, and a repair pattern. The active element includes a source, a drain, and a gate. The gate is electrically connected to one of the scan lines. The source is electrically connected to one of the data lines. The pixel electrode is electrically connected to the drain of the active element. The capacitor electrode is electrically connected to the pixel electrode and extends from the drain. The common electrode overlaps the pixel electrode and the capacitor electrode. The repair pattern overlaps one of the scan lines as well as the common electrode, and the pixel electrode.
    Type: Application
    Filed: August 11, 2022
    Publication date: March 2, 2023
    Applicant: HannStar Display Corporation
    Inventors: Chung Lin Chang, Hsuan-Chen Liu, Cheng-Yen Yeh, Yu-Cheng Lin, Chen-Hao Su
  • Patent number: 11536437
    Abstract: The backlight module includes multiple backlight units. Each backlight unit includes a first light emitting unit and multiple second light emitting units. The first light emitting unit has a first beam angle, and each second light emitting unit has a second beam angle which is narrower than the first beam angle. In a first mode, a light intensity of the first light emitting unit is equal to a first intensity, and a light intensity of the second light emitting units is equal to a second intensity. In a second mode, the light intensity of the first light emitting unit is equal to a third intensity, and the light intensity of the second light emitting units is equal to a fourth intensity. The first intensity is greater than the third intensity, and the second intensity is less than the fourth intensity.
    Type: Grant
    Filed: April 28, 2022
    Date of Patent: December 27, 2022
    Assignees: HannStar Display (Nanjing) Corporation, HannStar Display Corporation
    Inventors: Chen-Hao Su, Chia-Feng Teng, Chin-Yung Liu
  • Publication number: 20220381417
    Abstract: The backlight module includes multiple backlight units. Each backlight unit includes a first light emitting unit and multiple second light emitting units. The first light emitting unit has a first beam angle, and each second light emitting unit has a second beam angle which is narrower than the first beam angle. In a first mode, a light intensity of the first light emitting unit is equal to a first intensity, and a light intensity of the second light emitting units is equal to a second intensity. In a second mode, the light intensity of the first light emitting unit is equal to a third intensity, and the light intensity of the second light emitting units is equal to a fourth intensity. The first intensity is greater than the third intensity, and the second intensity is less than the fourth intensity.
    Type: Application
    Filed: April 28, 2022
    Publication date: December 1, 2022
    Inventors: Chen-Hao Su, Chia-Feng Teng, Chin-Yung Liu
  • Patent number: 11506827
    Abstract: The backlight module includes the following units. Multiple first light emitting units are disposed on a top surface of a transparent substrate. A beam angle of the first light emitting units is greater than or equal to 30 degrees and less than or equal to 45 degrees. Multiple second light emitting units and a light guide plate are disposed on a bottom surface of the transparent substrate. Each second light emitting unit is disposed in a respective hole of the light guide plate. A light intensity of the first light emitting units in a first mode is smaller than that in a second mode. A light intensity of the second light emitting units in the first mode is greater than that in the second mode. In this way, the purpose of privacy protection can be achieved.
    Type: Grant
    Filed: May 25, 2022
    Date of Patent: November 22, 2022
    Assignee: HannStar Display Corporation
    Inventors: Chen-Hao Su, Chia-Feng Teng, Chin-Yung Liu
  • Patent number: 11467684
    Abstract: The disclosure provides a touch display panel including a substrate and a first mesh electrode. The first mesh electrode is disposed on the substrate and includes a plurality of first extending portions, a plurality of second extending portions, and a plurality of first disconnection regions. The first extending portions are arranged along a first direction and extend in a second direction. The first direction intersects with the second direction. The second extending portions are arranged along the second direction and extend in the first direction. The first disconnection regions are arranged along the first direction and extend in the second direction. The first disconnection regions overlap the second extending portions and do not overlap the first extending portions.
    Type: Grant
    Filed: April 28, 2021
    Date of Patent: October 11, 2022
    Assignee: HannStar Display Corporation
    Inventors: Meng-Ju Li, Mei-Ling Chou, Ding-Wei Liu, Wei-Chih Hsu, Chen-Hao Su
  • Publication number: 20210373693
    Abstract: The disclosure provides a touch display panel including a substrate and a first mesh electrode. The first mesh electrode is disposed on the substrate and includes a plurality of first extending portions, a plurality of second extending portions, and a plurality of first disconnection regions. The first extending portions are arranged along a first direction and extend in a second direction. The first direction intersects with the second direction. The second extending portions are arranged along the second direction and extend in the first direction. The first disconnection regions are arranged along the first direction and extend in the second direction. The first disconnection regions overlap the second extending portions and do not overlap the first extending portions.
    Type: Application
    Filed: April 28, 2021
    Publication date: December 2, 2021
    Applicant: HannStar Display Corporation
    Inventors: Meng-Ju Li, Mei-Ling Chou, Ding-Wei Liu, Wei-Chih Hsu, Chen-Hao Su
  • Patent number: 11143906
    Abstract: A reflective LCD panel includes a color filter substrate, an array substrate, a liquid crystal layer and a polarizing film. The array substrate and the color filter substrate are disposed oppositely. The liquid crystal layer is disposed between the color filter substrate and the array substrate and has an alignment direction. The polarizing film is disposed on the color filter substrate, and color coordinates of the polarizing film in the CIE1976 color space are (a, b), wherein 0.05?a?0.2 and ?5?b?0. The liquid crystal layer has a birefringence difference ?n, the liquid crystal layer has a thickness (d), when the reflective LCD panel is in a white frame, 2?n*d=?? is satisfied, ?? is the optical path difference obtained when a forward light vertically enters the liquid crystal layer and is reflected by the array substrate, and 120 nm??n*d?170 nm.
    Type: Grant
    Filed: March 18, 2021
    Date of Patent: October 12, 2021
    Assignee: HANNSTAR DISPLAY CORPORATION
    Inventors: Ding-Wei Liu, Meng-Ju Li, Wei-Chih Hsu, Chen-Hao Su, Sung-Chun Lin, Chia-Hua Yu
  • Publication number: 20210294156
    Abstract: A reflective LCD panel includes a color filter substrate, an array substrate, a liquid crystal layer and a polarizing film. The array substrate and the color filter substrate are disposed oppositely. The liquid crystal layer is disposed between the color filter substrate and the array substrate and has an alignment direction. The polarizing film is disposed on the color filter substrate, and color coordinates of the polarizing film in the CIE1976 color space are (a, b), wherein 0.05?a?0.2 and ?5?b?0. The liquid crystal layer has a birefringence difference ?n, the liquid crystal layer has a thickness (d), when the reflective LCD panel is in a white frame, 2?n*d=?? is satisfied, ?? is the optical path difference obtained when a forward light vertically enters the liquid crystal layer and is reflected by the array substrate, and 120 nm??n*d?170 nm.
    Type: Application
    Filed: March 18, 2021
    Publication date: September 23, 2021
    Inventors: Ding-Wei LIU, Meng-Ju LI, Wei-Chih HSU, Chen-Hao SU, Sung-Chun LIN, Chia-Hua YU
  • Patent number: 10976625
    Abstract: The display panel includes a first substrate, a second substrate, pixel structures, a liquid crystal layer and a transparent conductive layer. The liquid crystal layer is disposed between the pixel structures and the second substrate. The transparent conductive layer is disposed between the second substrate and the liquid crystal layer. When a liquid crystal molecule of the liquid crystal layer is a positive liquid crystal molecule, an absolute voltage difference between the transparent conductive layer and the common electrode is smaller than or equal to 2.3 volts(V). When the liquid crystal molecule of the liquid crystal layer is a negative liquid crystal molecule, the absolute voltage difference between the transparent conductive layer and the common electrode is smaller than or equal to 5V.
    Type: Grant
    Filed: February 2, 2020
    Date of Patent: April 13, 2021
    Assignees: HannStar Display (Nanjing) Corporation, HannStar Display Corporation
    Inventors: Wei-Chih Hsu, Chen-Hao Su, Yu-Chen Liu
  • Patent number: 10788906
    Abstract: A manufacturing method of the flexible panel is provided. Firstly, a carrier substrate is provided. Then, an adhesion layer is formed on the carrier substrate, a flexible substrate is formed on the adhesion layer, and a buffer layer is formed on the flexible substrate. Then, a device layer is formed on the flexible substrate. Next, a separating process is performed for separating the flexible substrate and the device layer from the carrier substrate. According to a relation between a thermal expansion coefficient of the flexible substrate and a thermal expansion coefficient of the carrier substrate, the manufacturing method of the flexible panel selects a pattern of the adhesion layer. The pattern of the adhesion layer includes a frame adhesion structure or a plane adhesion structure.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: September 29, 2020
    Assignees: HannStar Display (Nanjing) Corporation, HANNSTAR DISPLAY CORPORATION
    Inventors: Yen-Chung Chen, Wei-Chih Hsu, Chen-Hao Su
  • Patent number: 10782559
    Abstract: A reflective liquid crystal display panel including a plurality of pixel units is provided. Each pixel unit includes first and second substrates, one first signal line, four second signal lines, a liquid crystal layer, a first pixel structure, a second pixel structure, a third pixel structure and a fourth pixel structure. The first and second signal lines are disposed on the first substrate. The first, second, third, and fourth pixel structures are electrically connected to one of the four second signal lines respectively and electrically connected to the first signal line, where the first, second, third, and fourth pixel structures respectively include an active component and a reflective pixel electrode electrically connected to the active component, and a reflection area ratio of the first, second, third, and fourth pixel structures is 1:2:4:8. The second substrate is located opposite to the first substrate. The liquid crystal layer is disposed between the first substrate and the second substrate.
    Type: Grant
    Filed: October 25, 2019
    Date of Patent: September 22, 2020
    Assignee: HannStar Display Corporation
    Inventors: Ming-Chang Yu, Cheng-Yen Yeh, Chen-Hao Su
  • Publication number: 20200174330
    Abstract: The display panel includes a first substrate, a second substrate, pixel structures, a liquid crystal layer and a transparent conductive layer. The liquid crystal layer is disposed between the pixel structures and the second substrate. The transparent conductive layer is disposed between the second substrate and the liquid crystal layer. When a liquid crystal molecule of the liquid crystal layer is a positive liquid crystal molecule, an absolute voltage difference between the transparent conductive layer and the common electrode is smaller than or equal to 2.3 volts(V). When the liquid crystal molecule of the liquid crystal layer is a negative liquid crystal molecule, the absolute voltage difference between the transparent conductive layer and the common electrode is smaller than or equal to 5V.
    Type: Application
    Filed: February 2, 2020
    Publication date: June 4, 2020
    Inventors: Wei-Chih HSU, Chen-Hao SU, Yu-Chen LIU
  • Patent number: 10593283
    Abstract: The display panel includes a first substrate, a second substrate, pixel structures, a liquid crystal layer and a transparent conductive layer. The liquid crystal layer is disposed between the pixel structures and the second substrate. The transparent conductive layer is disposed between the second substrate and the liquid crystal layer. When a liquid crystal molecule of the liquid crystal layer is a positive liquid crystal molecule, an absolute voltage difference between the transparent conductive layer and the common electrode is smaller than or equal to 2.3 volts(V). When the liquid crystal molecule of the liquid crystal layer is a negative liquid crystal molecule, the absolute voltage difference between the transparent conductive layer and the common electrode is smaller than or equal to 5V.
    Type: Grant
    Filed: June 5, 2017
    Date of Patent: March 17, 2020
    Assignees: HannStar Display (Nanjing) Corporation, HannStar Display Corporation
    Inventors: Wei-Chih Hsu, Chen-Hao Su, Yu-Chen Liu
  • Publication number: 20200057336
    Abstract: A reflective liquid crystal display panel including a plurality of pixel units is provided. Each pixel unit includes first and second substrates, one first signal line, four second signal lines, a liquid crystal layer, a first pixel structure, a second pixel structure, a third pixel structure and a fourth pixel structure. The first and second signal lines are disposed on the first substrate. The first, second, third, and fourth pixel structures are electrically connected to one of the four second signal lines respectively and electrically connected to the first signal line, where the first, second, third, and fourth pixel structures respectively include an active component and a reflective pixel electrode electrically connected to the active component, and a reflection area ratio of the first, second, third, and fourth pixel structures is 1:2:4:8. The second substrate is located opposite to the first substrate. The liquid crystal layer is disposed between the first substrate and the second substrate.
    Type: Application
    Filed: October 25, 2019
    Publication date: February 20, 2020
    Applicant: HannStar Display Corporation
    Inventors: Ming-Chang Yu, Cheng-Yen Yeh, Chen-Hao Su
  • Patent number: 10509261
    Abstract: A reflective liquid crystal display panel including a plurality of pixel units is provided. Each pixel unit includes first and second substrates, one first signal line, four second signal lines, a liquid crystal layer, a first pixel structure, a second pixel structure, a third pixel structure and a fourth pixel structure. The first and second signal lines are disposed on the first substrate. The first, second, third, and fourth pixel structures are electrically connected to one of the four second signal lines respectively and electrically connected to the first signal line, where the first, second, third, and fourth pixel structures respectively include an active component and a reflective pixel electrode electrically connected to the active component, and a reflection area ratio of the first, second, third, and fourth pixel structures is one of 1:2:4:8 and 2:1:4:8. The second substrate is located opposite to the first substrate.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: December 17, 2019
    Assignee: HannStar Display Corporation
    Inventors: Ming-Chang Yu, Cheng-Yen Yeh, Chen-Hao Su
  • Patent number: 10504930
    Abstract: A reflective LCD panel includes a plurality of pixel units, each of which includes: first and second substrates, first and second scan lines, first and second data lines, a liquid crystal layer, and first, second, third, and fourth pixel structures. The first and second scan lines and the first and second data lines are disposed on the first substrate. Each of the first, second, third, and fourth pixel structures is electrically connected to one of the first and second scan lines and one of the first and second data lines, respectively. The first, second, third, and fourth pixel structures respectively include: an active component and a reflective pixel electrode electrically connected to the active component, and a reflective area ratio of the first, second, third, and fourth pixel structures is 1:2:4:8 or 2:1:4:8. Here, 16 gray scales may be displayed for achieving better visual effects.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: December 10, 2019
    Assignee: HannStar Display Corporation
    Inventors: Ming-Chang Yu, Cheng-Yen Yeh, Chen-Hao Su, Yu-Chen Liu
  • Patent number: 10280339
    Abstract: A method for manufacturing a flexible electrical device is provided and includes the following steps. A carrier substrate is provided. A releasing layer is formed on the carrier substrate. A flexible substrate is formed on the releasing layer. The flexible substrate has a first surface facing the releasing layer and a second surface opposite to the first surface. The flexible substrate is not in contact with the carrier substrate. A device layer is formed on the flexible substrate. The device layer has a third surface facing the flexible substrate and a fourth surface opposite to the third surface. The flexible substrate is separated from the releasing layer, and the releasing layer remains on the carrier substrate. Accordingly, the releasing layer and the carrier substrate can be recycled for forming another flexible electrical device.
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: May 7, 2019
    Assignees: HannStar Display (Nanjing) Corporation, HannStar Display Corporation
    Inventors: Yen-Chung Chen, Chen-Hao Su
  • Publication number: 20190004642
    Abstract: A manufacturing method of the flexible panel is provided. Firstly, a carrier substrate is provided. Then, an adhesion layer is formed on the carrier substrate, a flexible substrate is formed on the adhesion layer, and a buffer layer is formed on the flexible substrate. Then, a device layer is formed on the flexible substrate. Next, a separating process is performed for separating the flexible substrate and the device layer from the carrier substrate. According to a relation between a thermal expansion coefficient of the flexible substrate and a thermal expansion coefficient of the carrier substrate, the manufacturing method of the flexible panel selects a pattern of the adhesion layer. The pattern of the adhesion layer includes a frame adhesion structure or a plane adhesion structure.
    Type: Application
    Filed: September 29, 2017
    Publication date: January 3, 2019
    Inventors: Yen-Chung Chen, Wei-Chih Hsu, Chen-Hao Su
  • Publication number: 20180346761
    Abstract: A method for manufacturing a flexible electrical device is provided and includes the following steps. A carrier substrate is provided. A releasing layer is formed on the carrier substrate. A flexible substrate is formed on the releasing layer. The flexible substrate has a first surface facing the releasing layer and a second surface opposite to the first surface. The flexible substrate is not in contact with the carrier substrate. A device layer is formed on the flexible substrate. The device layer has a third surface facing the flexible substrate and a fourth surface opposite to the third surface. The flexible substrate is separated from the releasing layer, and the releasing layer remains on the carrier substrate. Accordingly, the releasing layer and the carrier substrate can be recycled for forming another flexible electrical device.
    Type: Application
    Filed: October 12, 2017
    Publication date: December 6, 2018
    Inventors: Yen-Chung CHEN, Chen-Hao SU