Patents by Inventor Mao Jung Huang

Mao Jung Huang 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: 10878744
    Abstract: A pixel driving circuit utilizing a transistor having two gate ends as the driving unit for pixels of a display panel to provide a stable driving current to compensate for the variation of threshold voltages of transistors in different pixels and to improve the uniformity of the brightness of the display panel.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: December 29, 2020
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Mao-Hsun Cheng, Cheng-Han Huang, Mei-Sheng Ma, Yi-Chiung Chen, Hsiang-Sheng Chang, Po-Jung Wu, Yung-Chih Chen, Ching-Sheng Cheng
  • Publication number: 20200226974
    Abstract: A pixel driving circuit includes a driving unit receiving a first control signal via a first control end, and the driving unit is biased according to the first control signal to provide a driving current to a light emitting element. One end of a capacitor is connected to a second control end of the driving unit, and the other end of the capacitor is connected to a first end or a second end of the driving unit. A compensation unit receives a second control signal via a first control end, and the compensation unit is biased according to the second control signal. A first switch unit receives a third control signal via a control end, and thereby the first switch unit is turned on. A second switch unit receives a fourth control signal via a control end, and thereby the second switch unit is turned on.
    Type: Application
    Filed: November 14, 2019
    Publication date: July 16, 2020
    Inventors: Mao-Hsun Cheng, Cheng-Han Huang, Mei-Sheng Ma, Yi-Chiung Chen, Hsiang-Sheng Chang, Po-Jung Wu, Yung-Chih Chen, Ching-Sheng Cheng
  • Publication number: 20180205181
    Abstract: A high speed cable assembly includes a ribbon cable and a high speed connector. The ribbon cable includes a number of wires and a jacket enclosing the wires. Each wire has a central conductor and a shielding layer covering the conductor. The ribbon cable provides differential pairs of wires and drain wires, each drain wire positioned next to one differential pair of wire. The high speed connector has an insulating housing, and a printed circuit board assembled within the insulating housing. The printed circuit board is provided with first group of golden fingers on one end thereof, which are formed to electrically connect to the wires of the ribbon cable, respectively, and second group of golden fingers on the other end thereof, which are configured to form an I/O interface for transmitting high speed signals to a complementary connector.
    Type: Application
    Filed: August 24, 2017
    Publication date: July 19, 2018
    Applicant: ALLTOP ELECTRONICS (SUZHOU) LTD.
    Inventors: Yi-Chang CHEN, Mao-Jung HUANG
  • Patent number: 9954326
    Abstract: A cable end connector and the method of making the same are disclosed. The connector includes a first contact module, a second contact module, a central grounding unit, a grounding means, and a shielding shell electrically connecting with the grounding means. The first contact module includes first contacts and a first insulator retaining the first contacts. The first insulator has a first tongue section and a first assembling section. The second contact module includes second contacts and a second insulator retaining the second contacts. The second insulator has a second tongue section and a second assembling section. The shielding shell has a front shell and a rear shell partially overlapped on the front shell. The front shell substantially encloses the first and the second tongue sections of the first and the second contact modules, the central grounding unit and the grounding means. The rear shell covers the first and the second assembling sections of the first and the second contact modules.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: April 24, 2018
    Assignee: ALLTOP ELECTRONICS (SUZHOU) LTD.
    Inventors: Ya-Juan Gou, Zhi-Qiang Rong, Li-Li Liang, Mao-Jung Huang, Wang-I Yu
  • Patent number: 9893449
    Abstract: An electrical connector includes an insulative housing and two contact modules. The insulative housing has a bottom mounting portion having a cavity opening downwardly and a mating portion, the mating portion has a central mating space and a pair of side walls on both sides of the mating space, and a plurality of contact receiving passageways defined on each side wall. Each contact module has an insulator received in the cavity and a plurality of contacts insert-molded in the insulator, each contact defines a contacting arm and a soldering portion. The insulative housing defines a pair of locating portions extending downwards from two sides of the mounting portion, the distance between the pair of locating portions is smaller than an internal diameter of the cavity, a pair of demising slots are formed on an interior side of each locating portion for the contact modules passing through.
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: February 13, 2018
    Assignee: ALLTOP ELECTRONICS (SUZHOU) LTD.
    Inventors: Li-Li Liang, Ya-Juan Gou, Zhi-Qiang Rong, Mao-Jung Huang, Wang-I Yu
  • Publication number: 20170352970
    Abstract: An electrical connector includes an insulative housing and two contact modules. The insulative housing has a bottom mounting portion having a cavity opening downwardly and a mating portion, the mating portion has a central mating space and a pair of side walls on both sides of the mating space, and a plurality of contact receiving passageways defined on each side wall. Each contact module has an insulator received in the cavity and a plurality of contacts insert-molded in the insulator, each contact defines a contacting arm and a soldering portion. The insulative housing defines a pair of locating portions extending downwards from two sides of the mounting portion, the distance between the pair of locating portions is smaller than an internal diameter of the cavity, a pair of demising slots are formed on an interior side of each locating portion for the contact modules passing through.
    Type: Application
    Filed: May 31, 2017
    Publication date: December 7, 2017
    Applicant: ALLTOP ELECTRONICS (SUZHOU) LTD.
    Inventors: Li-Li LIANG, Ya-Juan GOU, Zhi-Qiang RONG, Mao-Jung HUANG, Wang-I YU
  • Patent number: 9837769
    Abstract: A Universal Serial Bus connector includes a first contact module, a second contact module, a shielding shell enclosing the contact modules, and a grounding member. The contact modules each have a number of contacts and an insulator retaining the contacts. Each contact has a fastening portion assembled in the insulator, a contacting portion extending from the fastening portion, and a tail portion extending from the fastening portion opposite to the contacting portion. The contacts include grounding contacts. The shielding shell provides a front mating face. The grounding member connects with the grounding contacts and extends in different plane compared to the grounding contacts. The grounding member defines a front contact tab and the grounding contact defines a front edge end. The front contact tab is closer to the front mating face of the shielding shell than the front edge ends of the grounding contacts.
    Type: Grant
    Filed: November 7, 2016
    Date of Patent: December 5, 2017
    Assignee: ALLTOP ELECTRONICS (SUZHOU) LTD.
    Inventors: Wang-I Yu, Ya-Juan Gou, Zhi-Qiang Rong, Mao-Jung Huang, Yun Zhu
  • Patent number: 9812826
    Abstract: A connector for electrically connecting with a complementary connector, includes an insulating housing, a number of conductive contacts, and a shielding shell. The insulating housing includes a base, a mating tongue extending forwards from the base, and a number of channels extending through the mating tongue and the base. The conductive contacts are retained in the channels, with each conductive contact having a fixing portion assembled within corresponding channel, a contacting portion extending from one side of the fixing portion and a soldering portion extending from the other side of the fixing portion opposite to the contacting portion. The shielding shell covers the insulating housing and the number of conductive contacts. One of the contacts is employed for grounding purpose.
    Type: Grant
    Filed: November 8, 2016
    Date of Patent: November 7, 2017
    Assignee: ALLTOP ELECTRONICS (SUZHOU) LTD.
    Inventors: Wang-I Yu, Mao-Jung Huang, Ya-Juan Gou, Dan Li, Qing-Fang Deng
  • Publication number: 20170310054
    Abstract: A Universal Serial Bus connector includes a first contact module, a second contact module, a shielding shell enclosing the contact modules, and a grounding member. The contact modules each have a number of contacts and an insulator retaining the contacts. Each contact has a fastening portion assembled in the insulator, a contacting portion extending from the fastening portion, and a tail portion extending from the fastening portion opposite to the contacting portion. The contacts include grounding contacts. The shielding shell provides a front mating face. The grounding member connects with the grounding contacts and extends in different plane compared to the grounding contacts. The grounding member defines a front contact tab and the grounding contact defines a front edge end. The front contact tab is closer to the front mating face of the shielding shell than the front edge ends of the grounding contacts.
    Type: Application
    Filed: November 7, 2016
    Publication date: October 26, 2017
    Applicant: ALLTOP ELECTRONICS (SUZHOU) LTD.
    Inventors: Wang-I YU, Ya-Juan GOU, Zhi-Qiang RONG, Mao-Jung HUANG
  • Patent number: 9787008
    Abstract: A USB cable end connector and the method of making the same are disclosed. The cable end connector includes a first contact module, a second contact module, a central grounding unit sandwiched between the two contact modules, a shielding shell enclosing the first and the second contact modules; and a grounding means attached to the first and the second contact modules along a height direction of the connector. The grounding means includes an upper grounding pad and a lower grounding pad. The upper grounding pad and the lower grounding pad are assembled to a first and a second insulators of the contact modules along a height direction, respectively. The upper grounding pad is sandwiched between the first contact module and the shielding shell. The lower grounding pad is sandwiched between the second contact module and the shielding shell.
    Type: Grant
    Filed: November 16, 2016
    Date of Patent: October 10, 2017
    Assignee: ALLTOP ELECTRONICS (SUZHOU) LTD.
    Inventors: Ya-Juan Gou, Zhi-Qiang Rong, Li-Ii Liang, Mao-Jung Huang, Wang-I Yu
  • Publication number: 20170250508
    Abstract: A connector for electrically connecting with a complementary connector, includes an insulating housing, a number of conductive contacts, and a shielding shell. The insulating housing includes a base, a mating tongue extending forwards from the base, and a number of channels extending through the mating tongue and the base. The conductive contacts are retained in the channels, with each conductive contact having a fixing portion assembled within corresponding channel, a contacting portion extending from one side of the fixing portion and a soldering portion extending from the other side of the fixing portion opposite to the contacting portion. The shielding shell covers the insulating housing and the number of conductive contacts. One of the contacts is employed for grounding purpose.
    Type: Application
    Filed: November 8, 2016
    Publication date: August 31, 2017
    Applicant: ALLTOP ELECTRONICS (SUZHOU) LTD.
    Inventors: Wang-I YU, Mao-Jung HUANG, Ya-Juan GOU, Dan LI, Qing-Fang DENG
  • Publication number: 20170149153
    Abstract: A USB cable end connector and the method of making the same are disclosed. The cable end connector includes a first contact module, a second contact module, a central grounding unit sandwiched between the two contact modules, a shielding shell enclosing the first and the second contact modules; and a grounding means attached to the first and the second contact modules along a height direction of the connector. The grounding means includes an upper grounding pad and a lower grounding pad. The upper grounding pad and the lower grounding pad are assembled to a first and a second insulators of the contact modules along a height direction, respectively. The upper grounding pad is sandwiched between the first contact module and the shielding shell. The lower grounding pad is sandwiched between the second contact module and the shielding shell.
    Type: Application
    Filed: November 16, 2016
    Publication date: May 25, 2017
    Applicant: ALLTOP ELECTRONICS (SUZH OU) LTD.
    Inventors: Ya-Juan GOU, Zhi-Qiang RONG, Li-li LIANG, Mao-Jung HUANG, Wang-I YU
  • Publication number: 20170149183
    Abstract: A cable end connector and the method of making the same are disclosed. The connector includes a first contact module, a second contact module, a central grounding unit, a grounding means, and a shielding shell electrically connecting with the grounding means. The first contact module includes first contacts and a first insulator retaining the first contacts. The first insulator has a first tongue section and a first assembling section. The second contact module includes second contacts and a second insulator retaining the second contacts. The second insulator has a second tongue section and a second assembling section. The shielding shell has a front shell and a rear shell partially overlapped on the front shell. The front shell substantially encloses the first and the second tongue sections of the first and the second contact modules, the central grounding unit and the grounding means. The rear shell covers the first and the second assembling sections of the first and the second contact modules.
    Type: Application
    Filed: November 17, 2016
    Publication date: May 25, 2017
    Applicant: ALLTOP ELECTRONICS (SUZHOU) LTD.
    Inventors: Ya-Juan GOU, Zhi-Qiang RONG, Li-Li LIANG, Mao-Jung HUANG, Wang-I YU
  • Patent number: 9647387
    Abstract: A connector includes a first contact module, a second contact module, a shielding shell and a latching member. The contact modules each include a number of contacts and an insulator retaining the contacts. The contact has a fastening portion assembled in the insulator, a contacting portion extending from the fastening portion, and a terminal portion extending from the fastening portion opposite to the contacting portion. The shielding shell covers around the first and the second contact modules. The latching member assists to secure the connection between the electrical connector with a complementary connector. The first contacts and the second contacts each have a pair of grounding terminals and the latching member connects with the pair of grounding terminals.
    Type: Grant
    Filed: August 18, 2016
    Date of Patent: May 9, 2017
    Assignee: ALLTOP ELECTRONICS (SUZHOU) LTD.
    Inventors: Ya-Juan Gou, Zhi-Qiang Rong, Wang-I Yu, Mao-Jung Huang, Yi-Chang Chen
  • Publication number: 20160240983
    Abstract: An electrical connector includes an insulative housing having a front space and a rear space, a number of electrical contacts each having a spring section projecting into the front space and a soldering section, an internal circuit board disposed in the rear space, and a pair of spring tabs secured to opposite sides of the insulative housing. The internal circuit board has a number of first golden fingers to connect with the soldering sections, a number of second golden fingers. The internal circuit board has a number of grounding pad adjacent to the second golden finger. The pair of spring tabs each has a locking section extending into the front space and a connecting section contacting with the grounding pad of the internal circuit board.
    Type: Application
    Filed: June 15, 2015
    Publication date: August 18, 2016
    Applicant: ALLTOP ELECTRONICS (SUZHOU) LTD.
    Inventors: Wang-I YU, Mao-Jung HUANG
  • Publication number: 20160240980
    Abstract: An electrical connector includes an internal circuit board including a number of first golden fingers at a front end thereof and a number of conductive traces corresponding to the first golden fingers and connected with the first golden fingers respectively, a shielding assembly having a first shell and a second shell together covering top and bottom surfaces of the internal circuit board; and a contact module electrically connected with the internal circuit board.
    Type: Application
    Filed: June 15, 2015
    Publication date: August 18, 2016
    Applicant: ALLTOP ELECTRONICS (SUZHOU) LTD.
    Inventors: Wang-I YU, Mao-Jung HUANG
  • Publication number: 20160240977
    Abstract: The present invention relates to an electrical connector and method of making the same. The electrical connector includes an insulative housing, an internal circuit board extending from the front side of the insulative housing, a contact module received in the insulative housing and connected with the internal circuit board, and a shell covering the insulative housing and the internal circuit board. The shell and the internal circuit board form a mating space therebetween. The mating space is used to receive a mating plug.
    Type: Application
    Filed: June 12, 2015
    Publication date: August 18, 2016
    Applicant: ALLTOP ELECTRONICS (SUZHOU) LTD.
    Inventors: Wang-I YU, Yi-Chang CHEN, Mao-Jung HUANG
  • Patent number: 9362695
    Abstract: An electrical connector includes an insulative housing, at least a contact module and a grounding member. The insulative housing has a body portion and a mating portion forwardly extending from the body portion. The mating portion is provided with a top wall, a bottom wall, a pair of side walls and a receiving space formed therebetween. The receiving space opens forwardly. The contact module has a plurality of contacts retained on the insulative housing. Each contact has a contact portion forwardly extending into the receiving space and a connecting portion backwardly extending out of the body portion. The grounding member has a middle grounding sheet and a pair of locking arms projecting into the receiving space. The middle grounding sheet is fixed in the body portion and spacing apart from the contacts along an up to down direction. The locking arms electrically connect with the middle grounding sheet.
    Type: Grant
    Filed: December 10, 2014
    Date of Patent: June 7, 2016
    Assignee: ALLTOP ELECTRONICS (SUZHOU) LTD.
    Inventors: Wang-I Yu, Mao-Jung Huang
  • Publication number: 20160126677
    Abstract: An electrical connector includes an insulative housing and a plurality of contacts retained in the insulative housing. The insulative housing has a body portion and a mating portion forwardly extending from the body portion. each contact has a contact portion exposed on the mating portion and an extension portion extending backwardly from a rear end of the contact portion. The contacts comprise signal contacts, and in a transverse direction of the insulative housing, the contact portions of the signal contacts are wider than the extension portions of the signal contacts.
    Type: Application
    Filed: July 27, 2015
    Publication date: May 5, 2016
    Applicant: ALLTOP ELECTRONICS (SUZHOU) LTD.
    Inventors: Wang-I YU, Mao-Jung HUANG
  • Patent number: 9306337
    Abstract: An electrical connector includes an insulative housing, a number of contacts retained in the insulative housing, a metallic outer shell enclosing the insulative housing, and a metallic inner shell positioned between the metallic outer shell and the insulative housing. The insulative housing includes a base and a tongue portion protruding from the base. The contacts include a number of flat contacting portions exposed on a top surface and a bottom surface of the tongue portion, respectively. The metallic inner shell includes at least two pieces which are separately made and fixed to the insulative housing. The metallic inner shell and the metallic outer shell are in mechanical contact with each other in order to achieve a relative larger grounding area.
    Type: Grant
    Filed: December 5, 2014
    Date of Patent: April 5, 2016
    Assignee: ALLTOP ELECTRONICS (SUZHOU) LTD.
    Inventors: Wang-I Yu, Li-Li Liang, Yong-Gang Zhang, Mao-Jung Huang, Kun Liu