Patents by Inventor WEI-PING CHAN

WEI-PING CHAN 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: 12650751
    Abstract: A touch module includes a base plate, a touch plate, an elastic structure and a pressure sensor. The elastic structure includes an elastic element. The pressure sensor includes a sensing element and a sensing part. The touch panel is located over the base plate. The elastic element of the elastic structure is disposed on the base plate and covered by the touch plate. The pressure sensor is arranged between the base plate and the touch plate. The sensing element of the pressure sensor is installed on the touch plate and aligned with the elastic element. The sensing part is disposed on the base plate and located at the periphery of the elastic element. When the touch plate is pressed, the elastic element is moved, and a distance between the sensing element and the sensing part is subjected to a change. Consequently, an electric signal is generated.
    Type: Grant
    Filed: March 27, 2025
    Date of Patent: June 9, 2026
    Assignee: Primax Electronics Ltd.
    Inventors: Wei-Chiang Huang, Wei-Ping Chan, Tse-Ping Kuan, Sian-Yi Chiu, Chih-Wei Huang
  • Publication number: 20260086708
    Abstract: A computing device includes a force touch pad, a processing module and a display screen. A database and a plurality of application programs are loaded in the computing device. A plurality of preset gesture patterns are stored in the database. Each preset gesture pattern is related to one of the application programs. Firstly, a startup input operation is performed on the force touch pad, so that a prompt panel is shown on the display screen. Then, a first gesture input operation is performed on the force touch pad with a first gesture by the user according to the prompt panel, and the first gesture input operation is recognized by the processing module. If the first gesture complies with one of the preset gesture patterns, the processing module executes the application program corresponding to the preset gesture pattern.
    Type: Application
    Filed: October 28, 2024
    Publication date: March 26, 2026
    Inventors: Chih-Wei Huang, Chieh-Hung Hsieh, Wei-Ping Chan, Wei-Chiang Huang
  • Patent number: 12578831
    Abstract: A touch module includes a base plate, a touch pad, a first pressure sensing element, a second pressure sensing element and a controller. The touch pad includes a first touch area, a second touch area and a third touch area. The first pressure sensing element and the second pressure sensing element are arranged between the base plate and the touch pad. When the first touch pressure area is pressed, the first pressure sensing element generates a first signal, and the controller generates a pressure signal according to the first signal. When the second touch pressure area, the second pressure sensing element generates a second signal, and the controller generates the pressure signal according to the second signal. When the third touch pressure area is pressed, the controller generates the pressure signal according to a result of comparing signal intensities of the first signal and the second signal.
    Type: Grant
    Filed: January 10, 2025
    Date of Patent: March 17, 2026
    Assignee: Primax Electronics Ltd.
    Inventors: Wei-Chiang Huang, Wei-Ping Chan, Chieh-Hung Hsieh, Tse-Ping Kuan, Ming-Hui Yeh
  • Publication number: 20260025050
    Abstract: A thin linear motor kit includes a magnet module, a support base, two swinging elements and a coil module. The magnet module is installed on the support base. Each of the two swinging elements includes two fixed ends and at least one coupling end. The two fixed ends are connected with a circuit mechanism. The at least one coupling end is connected with the support base. The coil module is located under the magnet module. When the coil module is activated to drive the support base, the magnet module and the support base are vibrated quickly back and forth along the Y-axis direction.
    Type: Application
    Filed: August 9, 2024
    Publication date: January 22, 2026
    Inventors: Wei-Chiang Huang, Wei-Ping Chan, Tse-Ping Kuan, Ming-Hui Yeh
  • Publication number: 20250362778
    Abstract: A touch module includes a base plate, a touch plate, an elastic structure and a pressure sensor. The elastic structure includes an elastic element. The pressure sensor includes a sensing element and a sensing part. The touch panel is located over the base plate. The elastic element of the elastic structure is disposed on the base plate and covered by the touch plate. The pressure sensor is arranged between the base plate and the touch plate. The sensing element of the pressure sensor is installed on the touch plate and aligned with the elastic element. The sensing part is disposed on the base plate and located at the periphery of the elastic element. When the touch plate is pressed, the elastic element is moved, and a distance between the sensing element and the sensing part is subjected to a change. Consequently, an electric signal is generated.
    Type: Application
    Filed: March 27, 2025
    Publication date: November 27, 2025
    Inventors: Wei-Chiang Huang, Wei-Ping Chan, Tse-Ping Kuan, Sian-Yi Chiu, Chih-Wei Huang
  • Patent number: 12455410
    Abstract: The present disclosure provides a ring-shaped light guide module, which includes a ring-shaped light guide plate, a circuit board, a plurality of top light-emitting elements and a reflective layer. The ring-shaped light guide plate has a plurality of accommodating recesses disposed on an outer ring surface of the ring-shaped light guide plate and separated from each other. The circuit board surrounds a portion of the outer ring surface of the ring-shaped light guide plate. The top light-emitting elements are disposed on the circuit board and respectively located in the accommodating recesses. The reflective layer covers a portion of an inner ring surface and a first side surface of the ring-shaped light guide plate. A light emitting device including the aforementioned ring-shaped light guide module is also provided.
    Type: Grant
    Filed: June 30, 2023
    Date of Patent: October 28, 2025
    Assignee: Primax Electronics Ltd.
    Inventors: Ming-Hui Yeh, Ruey-Piin Wang, Yin-Liang Hu, Chia-Ming Li, Ming-Han Yu, Wei-Ping Chan
  • Patent number: 12443321
    Abstract: A touchpad module includes a support member, a printed circuit board assembly (PCBA) and an elastic member. The support member has a protruding portion. The printed circuit board assembly is located over the support member and includes a capacitive sensing element corresponding to the protruding portion of the support member. The elastic member is disposed between the support member and the printed circuit board assembly. When the touchpad module is not pressed, a spacing between the capacitive sensing element and the protruding portion is smaller than a thickness of the elastic member.
    Type: Grant
    Filed: August 8, 2024
    Date of Patent: October 14, 2025
    Assignee: Primax Electronics Ltd.
    Inventors: Wei-Chiang Huang, Wei-Ping Chan, Hsueh-Chao Chang, Chieh-Hung Hsieh, Chia-Ming Huang
  • Patent number: 12429991
    Abstract: A touchpad includes a substrate, an elastic bracket and an actuating device. The substrate has a first surface and a second surface. The elastic bracket is located beside the second surface of the substrate. The actuating device includes a first actuating member and a second actuating member. The first actuating member is located near the second surface of the substrate. The second actuating member is aligned with the first actuating member and fixed on a side of the elastic bracket facing the substrate. The first actuating member and the second actuating member are movable relative to each other in response to a magnetic field force. Consequently, a relative vibration between the substrate and the elastic bracket is generated. The first actuating member includes at least one first coil. Each of the at least one first coil is spirally wound to form a first hollow region.
    Type: Grant
    Filed: June 26, 2024
    Date of Patent: September 30, 2025
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Wei-Chiang Huang, Wei-Ping Chan, Tse-Ping Kuan, Ming-Hui Yeh
  • Publication number: 20250271951
    Abstract: A touchpad module includes an elastic bracket, a touch member, a plurality of connecting elements and a pressure sensing unit. The elastic bracket includes a plurality of cantilevers. The plurality of cantilevers have respective free ends and respective fixed ends. The plurality of connecting elements are connected with the respective free ends and the touch member. When the touch member is pressed in response to an external force, the external force is transmitted to at least one free end through at least one connecting element, the at least one free end is rotated relative to the at least one fixed end in a direction away from the touch member, and the pressure sensing unit is subjected to deformation. According to the deformation, the pressure sensing unit senses a magnitude of a pressing force exerted on the touch member and generates a corresponding pressure sensing signal.
    Type: Application
    Filed: December 2, 2024
    Publication date: August 28, 2025
    Inventors: Wei-Chiang Huang, Wei-Ping Chan, Ruey-Piin Wang, Ming-Hui Yeh, Tung-Heng Wu
  • Patent number: 12399581
    Abstract: A touchpad module includes an elastic bracket, a touch member, a plurality of connecting elements and a pressure sensing unit. The elastic bracket includes a plurality of cantilevers. The plurality of cantilevers have respective free ends and respective fixed ends. The plurality of connecting elements are connected with the respective free ends and the touch member. When the touch member is pressed in response to an external force, the external force is transmitted to at least one free end through at least one connecting element, the at least one free end is rotated relative to the at least one fixed end in a direction away from the touch member, and the pressure sensing unit is subjected to deformation. According to the deformation, the pressure sensing unit senses a magnitude of a pressing force exerted on the touch member and generates a corresponding pressure sensing signal.
    Type: Grant
    Filed: December 2, 2024
    Date of Patent: August 26, 2025
    Assignee: Primax Electronics Ltd.
    Inventors: Wei-Chiang Huang, Wei-Ping Chan, Ruey-Piin Wang, Ming-Hui Yeh, Tung-Heng Wu
  • Publication number: 20250253749
    Abstract: A vibration module is installed in a touch plate. The vibration module includes a housing, a magnetic element, a coil layer and a base plate. The housing includes an accommodation space and an elastic structure. The magnetic element and the coil layer are aligned with each other and disposed within the accommodation space. The base plate is connected with the housing. In addition, the magnetic element and the coil layer are sealed in the accommodation space. The base plate is connected with the housing to seal the magnetic element and the coil layer in the accommodation space. The elastic structure is extended in the direction toward the accommodation space and connected with the magnetic element. The magnetic element is pushed to be close to the coil layer by the elastic structure. When the coil layer is electrically conducted, the magnetic element senses the coil layer and vibrates.
    Type: Application
    Filed: November 19, 2024
    Publication date: August 7, 2025
    Inventors: Wei-Chiang Huang, Wei-Ping Chan, Tse-Ping Kuan, Ming-Hui Yeh, Ying-Yen Huang
  • Publication number: 20250208742
    Abstract: A touchpad includes a substrate, an elastic bracket and an actuating device. The substrate has a first surface and a second surface. The elastic bracket is located beside the second surface of the substrate. The actuating device includes a first actuating member and a second actuating member. The first actuating member is located near the second surface of the substrate. The second actuating member is aligned with the first actuating member and fixed on a side of the elastic bracket facing the substrate. The first actuating member and the second actuating member are movable relative to each other in response to a magnetic field force. Consequently, a relative vibration between the substrate and the elastic bracket is generated. The first actuating member includes at least one first coil. Each of the at least one first coil is spirally wound to form a first hollow region.
    Type: Application
    Filed: June 26, 2024
    Publication date: June 26, 2025
    Inventors: Wei-Chiang Huang, Wei-Ping Chan, Tse-Ping Kuan, Ming-Hui Yeh
  • Publication number: 20240402409
    Abstract: The present disclosure provides a ring-shaped light guide module, which includes a ring-shaped light guide plate, a circuit board, a plurality of top light-emitting elements and a reflective layer. The ring-shaped light guide plate has a plurality of accommodating recesses disposed on an outer ring surface of the ring-shaped light guide plate and separated from each other. The circuit board surrounds a portion of the outer ring surface of the ring-shaped light guide plate. The top light-emitting elements are disposed on the circuit board and respectively located in the accommodating recesses. The reflective layer covers a portion of an inner ring surface and a first side surface of the ring-shaped light guide plate. A light emitting device including the aforementioned ring-shaped light guide module is also provided.
    Type: Application
    Filed: June 30, 2023
    Publication date: December 5, 2024
    Inventors: Ming-Hui Yeh, Ruey-Piin Wang, Yin-Liang Hu, Chia-Ming Li, Ming-Han Yu, Wei-Ping Chan
  • Patent number: 12038598
    Abstract: A touch module includes a touch sensor panel, a light guide plate, an adhesive layer and a shielding body. The touch sensor panel includes an opening. The adhesive layer includes a groove part. The light guide plate is located over the touch sensor panel. The adhesive layer is arranged between the touch sensor panel and the light guide plate. The touch sensor panel and the light guide plate are attached on each other through the adhesive layer. The groove part of the adhesive layer is in communication with the opening of the touch sensor panel to exhaust the gas. The shielding body surrounds the edge part of the light guide plate and the outer periphery part of the touch senor panel. Due to the shielding body, the light beam transferred in the light guide plate will not be leaked out.
    Type: Grant
    Filed: October 18, 2023
    Date of Patent: July 16, 2024
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Wei-Ping Chan, Ming-Hui Yeh
  • Publication number: 20240219624
    Abstract: A touch module includes a touch sensor panel, a light guide plate, an adhesive layer and a shielding body. The touch sensor panel includes an opening. The adhesive layer includes a groove part. The light guide plate is located over the touch sensor panel. The adhesive layer is arranged between the touch sensor panel and the light guide plate. The touch sensor panel and the light guide plate are attached on each other through the adhesive layer. The groove part of the adhesive layer is in communication with the opening of the touch sensor panel to exhaust the gas. The shielding body surrounds the edge part of the light guide plate and the outer periphery part of the touch senor panel. Due to the shielding body, the light beam transferred in the light guide plate will not be leaked out.
    Type: Application
    Filed: October 18, 2023
    Publication date: July 4, 2024
    Inventors: Wei-Ping Chan, Ming-Hui Yeh
  • Patent number: 11754769
    Abstract: A backlight kit includes a base member, a covering member, a slim-type light guide element and an illumination module. The covering member is combined with the base member. The slim-type light guide element and the illumination module are arranged between the base member and the covering member. After the illumination module emits a light beam to the slim-type light guide element, the light beam is transferred through the slim-type light guide element. Consequently, a luminance gradient region is formed on the surface of the covering member.
    Type: Grant
    Filed: March 23, 2023
    Date of Patent: September 12, 2023
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Wei-Ping Chan, Ruey-Piin Wang, Chia-Ming Li, Hung-Wei Kuo
  • Patent number: 11746968
    Abstract: A miniature backlight kit includes a covering member, a light-shading element, a light guide element, a housing and a light-emitting unit. The light-emitting unit is disposed within a first concave structure of the light-shading element. The light-shading element is disposed within a second concave structure of the light guide element. The light guide element is covered by the lateral wall of the housing. The light-emitting unit emits a light beam. The light beam is reflected to the lateral wall of the housing by the light guide element. Consequently, a luminance gradient region is formed on the surface of the lateral wall of the housing.
    Type: Grant
    Filed: March 16, 2023
    Date of Patent: September 5, 2023
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Wei-Ping Chan, Ruey-Piin Wang, Chia-Ming Li, Yin-Liang Hu, Ming-Han Yu
  • Patent number: 11703629
    Abstract: A light guide structure for a backlight module is provided. A light source of the backlight module emits a light beam. The light beam is guided by the light guide structure. The light guide structure includes a plate body and a light-shielding layer. The plate body includes a light-transmissible plate, a light-guiding plate and a reflecting plate. The light-guiding plate has a lateral surface. The light-transmissible plate has a light-transmissible plate lateral surface. The reflecting plate has a reflecting plate lateral surface. The lateral surface of the light-guiding plate, the light-transmissible plate lateral surface and the reflecting plate lateral surface are collaboratively formed as a plate body lateral surface. The plate body lateral surface is covered by the light-shielding layer. The light beam from the light source is blocked by the light-shielding layer.
    Type: Grant
    Filed: May 20, 2022
    Date of Patent: July 18, 2023
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Wei-Ping Chan, Wei-Chiang Huang, Hung-Wei Kuo
  • Publication number: 20230047597
    Abstract: A touch panel and a manufacturing method of the touch panel are provided. The touch panel includes a touch circuit board, a cover plate and a glue layer. The glue layer is arranged between the touch circuit board and the cover plate to bond the touch circuit board and the cover plate. The glue layer contains an epoxy resin main agent and an epoxy resin hardener.
    Type: Application
    Filed: October 22, 2021
    Publication date: February 16, 2023
    Inventors: Wei-Ping Chan, Wei-Chiang Huang
  • Patent number: 11567599
    Abstract: A touch panel and a manufacturing method of the touch panel are provided. The touch panel includes a touch circuit board, a cover plate and a glue layer. The glue layer is arranged between the touch circuit board and the cover plate to bond the touch circuit board and the cover plate. The glue layer contains an epoxy resin main agent and an epoxy resin hardener.
    Type: Grant
    Filed: October 22, 2021
    Date of Patent: January 31, 2023
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Wei-Ping Chan, Wei-Chiang Huang