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).

  • 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
  • Patent number: 11454755
    Abstract: A light emitting structure includes a light guide ring and a plurality of light emitting elements. The light guide ring has a plurality of light guide portions connected in sequence, and each of the light guide portions includes a light source receiving end and a connecting portion opposite to each other, in which one of the light guide portions is connected to another of the light guide portions, and an inner side or an outer side of the one of the light guide portions is connected to the connecting portion of the other of the light guide portions. The light emitting elements are laterally adjacent to the light source receiving ends of the light guide portions, respectively.
    Type: Grant
    Filed: September 23, 2021
    Date of Patent: September 27, 2022
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventor: Wei-Ping Chan
  • Patent number: 11371676
    Abstract: A keyboard device and a backlight module of the keyboard device are provided. The keyboard device includes a casing, the backlight module, a keyboard module and an expansion module. The backlight module includes a main body region and an extension region. The main body region and the extension region are connected with each other. A first light beam is outputted from the main body region to plural keys of the keyboard device. A second light beam is outputted from the extension region to the expansion module.
    Type: Grant
    Filed: January 27, 2021
    Date of Patent: June 28, 2022
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Wei-Chiang Huang, Ming-Hui Yeh, Wei-Ping Chan
  • Publication number: 20220163188
    Abstract: A keyboard device and a backlight module of the keyboard device are provided. The keyboard device includes a casing, the backlight module, a keyboard module and an expansion module. The backlight module includes a main body region and an extension region. The main body region and the extension region are connected with each other. A first light beam is outputted from the main body region to plural keys of the keyboard device. A second light beam is outputted from the extension region to the expansion module.
    Type: Application
    Filed: January 27, 2021
    Publication date: May 26, 2022
    Inventors: Wei-Chiang Huang, Ming-Hui Yeh, Wei-Ping Chan
  • Publication number: 20210382528
    Abstract: A light source module includes a transparent conductive substrate, a circuit assembly and a light-emitting element. The circuit assembly is electrically connected with a conductive film of the transparent conductive substrate. The circuit assembly includes a feed terminal. The feed terminal is coupled with a po-go pin. The light-emitting element is installed on the conductive film of the transparent conductive substrate. The present invention also provides a computing device with the light source module.
    Type: Application
    Filed: July 27, 2020
    Publication date: December 9, 2021
    Inventors: Wei-Ping Chan, Wei-Chiang Huang
  • Publication number: 20210219442
    Abstract: A light source module includes a transparent substrate, a conductive coating film structure and plural light-emitting elements. The conductive coating film structure is installed on the transparent substrate. The conductive coating film structure includes a metal conductive plate and a metal coating film. The metal conductive plate is disposed on the transparent substrate and covered by the metal coating film. The plural light-emitting elements are installed on the conductive coating film structure, and electrically connected with the metal conductive plate. The light-emitting elements are permitted to emit light beams. When the light beams are not emitted by the light-emitting elements, the light-emitting elements are not displayed on the conductive coating film structure according to a mirror reflection effect provided by the metal coating film.
    Type: Application
    Filed: September 24, 2020
    Publication date: July 15, 2021
    Inventors: Wei-Ping Chan, Wei-Chiang Huang
  • Patent number: 11002440
    Abstract: A light source module includes a transparent conductive substrate and plural light source groups. The transparent conductive substrate includes a substrate base, plural positive electrodes, plural negative electrodes and plural gaps. The plural positive electrodes and the plural negative electrodes are installed on the substrate base. Each light source group includes plural light-emitting elements. The plural positive electrodes are separately arranged. Consequently, the resistances of the light-emitting elements are substantially equal.
    Type: Grant
    Filed: July 27, 2020
    Date of Patent: May 11, 2021
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Wei-Ping Chan, Wei-Chiang Huang, Chuan-Tai Hsiao, Xiu-Mei Pan
  • Patent number: 10900493
    Abstract: A luminous fan includes a fan frame, a main circuit board, a light guide element and a light-guiding impeller. The main circuit board is disposed on a bracket of the fan frame and includes a first light-emitting element. The light guide element is located over the main circuit board, and includes a light input surface and light output surface. A light guide post is disposed on the light input surface. A reflective structure is formed on the light output surface. The light-guiding impeller is pivotally coupled to the bracket. The first light-emitting element emits a first light beam. After the first light beam is transmitted to the reflective structure through the light guide post, the first light beam is reflected by the at least one reflective structure and diffused toward a middle region of the light guide element.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: January 26, 2021
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Wei-Chiang Huang, Wei-Ping Chan
  • Patent number: 10885833
    Abstract: A display device is disposed within a casing of an electronic device. The display device includes a display part, at least one light source, a projection part and an imaging structure. The display part is disposed on the casing and exposed outside. The at least one light source is disposed within the casing, and emits at least one light beam. The projection part is arranged between the at least one light source and the display part, and has an image region. After the at least one light beam passes through the projection part, a projection pattern corresponding to the image region is generated. The imaging structure is disposed on the display part. The imaging structure receives the projection pattern, so that the projection pattern is shown on the display part.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: January 5, 2021
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Han-Pin Kao, Wei-Chiang Huang, Wei-Ping Chan
  • Patent number: 10872543
    Abstract: A display device includes a display plate, a micro light source, a first reflecting element and a second reflecting element. The display plate has a pattern. The micro light source emits a light beam. The first reflecting element is arranged beside a first side of the display plate. A first portion of the light beam is reflected by the first reflecting element. A second portion of the light beam is transmitted through the first reflecting element. The second reflecting element is arranged beside a second side of the display plate to reflect the light beam. The light beam is repeatedly reflected by the first reflecting element and the second reflecting element, so that a multiple-luminous effect of the pattern is provided.
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: December 22, 2020
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Wei-Chiang Huang, Wei-Ping Chan
  • Publication number: 20200293145
    Abstract: A touch module for an electronic device is provided. The touch module includes a touch-sensitive plate, a light guide plate, a light-shielding plate and a translucent covering plate. The touch-sensitive plate includes plural light-emitting units. The light guide plate is disposed on the touch-sensitive plate. The light-shielding plate is located over the light guide plate. The light-shielding plate includes a hollow portion. The translucent covering plate is located over the light-shielding plate. The hollow portion is covered by the translucent covering plate. According to a touch signal, the touch-sensitive plate controls the plural light-emitting units to emit light beams to the light guide plate. After the light beams are transmitted through the hollow portion, the light beams are transferred to the translucent covering plate.
    Type: Application
    Filed: May 28, 2019
    Publication date: September 17, 2020
    Inventors: Chung-Yuan Chen, Wei-Ping Chan
  • Publication number: 20200240425
    Abstract: A luminous fan includes a fan frame, a main circuit board, a light guide element and a light-guiding impeller. The main circuit board is disposed on a bracket of the fan frame and includes a first light-emitting element. The light guide element is located over the main circuit board, and includes a light input surface and light output surface. A light guide post is disposed on the light input surface. A reflective structure is formed on the light output surface. The light-guiding impeller is pivotally coupled to the bracket. The first light-emitting element emits a first light beam. After the first light beam is transmitted to the reflective structure through the light guide post, the first light beam is reflected by the at least one reflective structure and diffused toward a middle region of the light guide element.
    Type: Application
    Filed: March 25, 2019
    Publication date: July 30, 2020
    Inventors: Wei-Chiang Huang, Wei-Ping Chan
  • Publication number: 20200126474
    Abstract: A display device is disposed within a casing of an electronic device. The display device includes a display part, at least one light source, a projection part and an imaging structure. The display part is disposed on the casing and exposed outside. The at least one light source is disposed within the casing, and emits at least one light beam. The projection part is arranged between the at least one light source and the display part, and has an image region. After the at least one light beam passes through the projection part, a projection pattern corresponding to the image region is generated. The imaging structure is disposed on the display part. The imaging structure receives the projection pattern, so that the projection pattern is shown on the display part.
    Type: Application
    Filed: July 22, 2019
    Publication date: April 23, 2020
    Inventors: Han-Pin Kao, Wei-Chiang Huang, Wei-Ping Chan