Patents by Inventor Yun-Yu Liu

Yun-Yu 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).

  • Patent number: 11988866
    Abstract: A light guide plate including a light emitting surface, a bottom surface, a light incident surface, multiple protrusion structures, and multiple grooves is provided. The light incident surface is connected between the light emitting surface and the bottom surface. The protrusion structures are disposed along a first direction and extend toward a second direction. The protrusion structures have a light condensing angle along the first direction, and the light condensing angle ranges from 10 degrees to 40 degrees. The grooves are disposed in the protrusion structures of the light guide plate. The grooves extend toward the first direction. The protrusion structures have a light receiving surface that defines each groove and is closer to the light incident surface. An angle between the light receiving surface and the bottom surface ranges from 35 degrees to 65 degrees. A display apparatus adopting the light guide plate is also provided.
    Type: Grant
    Filed: August 25, 2022
    Date of Patent: May 21, 2024
    Assignees: Nano Precision (SuZhou) CO., LTD., Coretronic Corporation
    Inventors: Ming-Yu Chou, Hsin Huang, Hao-Jan Kuo, Kuan-Wen Liu, Yun-Chao Chen
  • Publication number: 20240128231
    Abstract: Semiconductor devices and methods of manufacturing the semiconductor devices are presented. In embodiments the methods of manufacturing include depositing a first bonding layer on a first substrate, wherein the first substrate comprises a semiconductor substrate and a metallization layer. The first bonding layer and the semiconductor substrate are patterned to form first openings. A second substrate is bonded to the first substrate. After the bonding the second substrate, the second substrate is patterned to form second openings, at least one of the second openings exposing at least one of the first openings. After the patterning the second substrate, a third substrate is bonded to the second substrate, and after the bonding the third substrate, the third substrate is patterned to form third openings, at least one of the third openings exposing at least one of the second openings.
    Type: Application
    Filed: January 4, 2023
    Publication date: April 18, 2024
    Inventors: Fu Wei Liu, Pei-Wei Lee, Yun-Chung Wu, Bo-Yu Chiu, Szu-Hsien Lee, Mirng-Ji Lii
  • Publication number: 20240096941
    Abstract: A semiconductor structure includes a substrate with a first surface and a second surface opposite to the first surface, a first and a second shallow trench isolations disposed in the substrate and on the second surface, a deep trench isolation structure in the substrate and coupled to the first shallow trench isolation, a first dielectric layer disposed on the first surface and coupled to the deep trench isolation structure, a second dielectric layer disposed over the first dielectric layer and coupled to the deep trench isolation structure, a third dielectric layer comprising a horizontal portion disposed over the second dielectric layer and a vertical portion coupled to the horizontal portion, and a through substrate via structure penetrating the substrate from the first surface to the second surface and penetrating the second shallow trench isolation.
    Type: Application
    Filed: January 11, 2023
    Publication date: March 21, 2024
    Inventors: SHIH-JUNG TU, PO-WEI LIU, TSUNG-YU YANG, YUN-CHI WU, CHIEN HUNG LIU
  • Publication number: 20060068260
    Abstract: A structure of a fuel cell is provided. The fuel cell comprises a housing having a plurality of receiving containers mounted therein; and a plurality of reaction units, wherein one reaction unit is mounted in one receiving container respectively and has one electrode and the other electrode, one of the electrodes and one of the other electrodes are mounted protruding from the housing, and the remaining electrodes and the remaining other electrodes are coupled with one another sequentially such that a state of series connection is formed between the electrodes and the other electrodes.
    Type: Application
    Filed: September 27, 2004
    Publication date: March 30, 2006
    Applicant: CREATEK PRECISION INTERNATIONAL CO., LTD.
    Inventors: Yun-Yu Liu, Yu-Ming Lin
  • Patent number: 6702616
    Abstract: A retaining terminal structure of a connector is for serving as a retaining terminal that provides retaining and positioning effects when assembling a connector. The retaining terminal as a formed integral by metal extrusion includes an L-shaped corner portion; a butting portion formed at a top portion thereof and for serving as butting ground guidance with a connected connector, so as to prevent electrostatic discharge (ESD); and a retaining portion formed at a side thereof and for serving as a retaining member when the retaining terminal is corresponded and assembled. Using the integrated structure of the retaining terminal having ground guidance, and retaining and positioning effects, a number of terminals and retaining components at an interior of the connector is reduced, thereby decreasing steps and production expenses needed for assembly of the connector.
    Type: Grant
    Filed: June 17, 2003
    Date of Patent: March 9, 2004
    Assignee: North Star Systems Corp.
    Inventors: Chi-Sen Chang, Yun-Yu Liu, Yi-Sheng Lin
  • Patent number: 6171136
    Abstract: A male type USB (universal serial bus) connector includes a substantially rectangular connector body, a cable connected to the connector body and extended out of a hole at a rear side wall of the connector body, two symmetrical insulative shells fastened together and covered on the rear side wall and two opposite lateral side walls of the connector body and a part of the cable to secure the cable in place, and an insulative cap fastened to the connector body and the insulative shells at a front side, the cap having a center coupling hole, which receives a front side wall of the connector body, and a backward coupling flange coupled to the insulative shells.
    Type: Grant
    Filed: February 10, 1999
    Date of Patent: January 9, 2001
    Assignee: Northstar Farest Corp.
    Inventors: Yun-Yu Liu, Ming Kuei Li
  • Patent number: 5170016
    Abstract: A plastic outer shell for a DIN/MINI DIN computer connector has a hollow, elongated rear end extending from the body thereof at one end, the hollow, elongated rear end made from a flexible plastic material and integrally formed of a plurality of spaced, straight ribs in longitudinal direction and a plurality of spaced, curved ribs in transverse direction, the spaced, curved ribs permitting the cross sectional area defined in the hollow, elongated rear end to be expanded for holding cables of different outer diameter.
    Type: Grant
    Filed: July 17, 1991
    Date of Patent: December 8, 1992
    Assignee: Pan-International Industrial Corp.
    Inventors: Yun-Yu Liu, Ming-Shing Laiw
  • Patent number: 5118308
    Abstract: A bus connector comprising a base, an upper shell and a terminal unit, wherein said upper shell has resistor chambers for holding resistors from a bus and an elongated board at the front bottom edge thereof which is tightly pressed on the bus main track to which the connector is connected to seal off dust, and wherein said terminal unit has four terminals made in the same shape and respectively retained in four parallel grooves on the bottom edge of the base.
    Type: Grant
    Filed: August 7, 1991
    Date of Patent: June 2, 1992
    Assignee: Pan-International Industrial Cop.
    Inventors: Yun-Yu Liu, Jih-Bin Lin
  • Patent number: 5104342
    Abstract: A cable connector comprising a plastic core covered with a cap and fastened in a short copper tube at one end. By engaging a plurality of raised portions at the inside of the cap in a plurality of notches around the periphery of the front projecting end of the plastic core, the cap is firmly attached to the plastic core and, the plug holes on the plastic core are respectively automatically longitudinally aligned with the holes on the cap for fastening terminals tightly. After having been covered with the cap, the plastic core is fastened in the short copper tube at one end to incorporate with the short copper tube into a consolidated piece convenient for performing further outer shell resin molding process.
    Type: Grant
    Filed: April 17, 1991
    Date of Patent: April 14, 1992
    Assignee: Pan-International Industrial Corp.
    Inventors: Yun-Yu Liu, Hsiao-Lei Shih
  • Patent number: 5062805
    Abstract: For electrically connecting the bus line from a machine to an IC mounting seat of the electric control circuit of another machine, a cable connector is disclosed comprising a plug seat, an upper cover and a terminal assembly fastened therebetween. The plug seat further comprises an elongated locating seat having a plurality of grooves alternatively vertically disposed at two opposite sides and obliquely aligned with two rows of mounting slots at the two opposite sides thereof for holding the connecting racks of the terminal assembly in place when the contact ends of the terminal assembly are fastened in the mounting slots, as such the bus line at one end of a cable from a machine can be accurately fastened in place and electrically connected to the connecting racks of the terminal assembly, thus, providing for further electric connection to the IC mounting seat of an electric control circuit of another machine through the plug seat.
    Type: Grant
    Filed: November 27, 1990
    Date of Patent: November 5, 1991
    Assignee: Pan-International Industrial Corp.
    Inventors: Yun-Yu Liu, Hsiao-Lei Shih, Yang-Chih Chyou, Ming-Shing Laiw
  • Patent number: 5062813
    Abstract: A receptacle terminal material strip of which each terminal has integrally a front plug terminal retaining portion having a folded frame formed by bending the front end of the terminal backward with two opposite spring strips relatively obliquely projecting forward inward for holding a plug terminal and convenient for receiving electroplating process; an intermediate fastening portion having two wing projections at two opposite sides for fastening in a terminal seat in the rubber core of a receptacle; and a rear electrical connection portion having a substantially U-shaped cross section with a plurality of indentations made thereon for breaking according desired length. The terminals under processing of the receptacle terminal material strip are respectively connected with one another at two locations so that precise size can be achieved through automatic manufacturing process.
    Type: Grant
    Filed: August 29, 1990
    Date of Patent: November 5, 1991
    Assignee: Pan-International Industrial Corp.
    Inventors: Yun-Yu Liu, Juinn-Horng Lu
  • Patent number: 5041024
    Abstract: An adapter connector with improved electric shielding property, comprising two symmetrical receptacles respectively connected to an adapter at two opposite sides and fastened inside a copper sleeve. The adapter is comprised of two symmetrical blocks connected side by side through stub mortise-and-tenon joint with two arched strip conductors fastened therein for alternative connection thereto of the two terminals of each receptacle to form an electric circuit. A plurality of beads are made on the inner wall of the copper sleeve and longitudinally aligned with each other for guiding the receptacles through a slide way so that the plug pins of one receptacle can be conveniently electrically connected to and inserted inside the plug pins of the other receptacle permitting the plug pins of the other receptacle to press against the inner wall of the copper sleeve for grounding.
    Type: Grant
    Filed: October 26, 1990
    Date of Patent: August 20, 1991
    Assignee: Pan-International Industrial Corp.
    Inventors: Yun-Yu Liu, Hsiao-Lei Shih
  • Patent number: 5041007
    Abstract: A base-bar type electrical connector, comprised of a base, an electrical contact assembly, a ribbon cable fastener and a stress eliminator. The electrical contact assembly is comprised of a plurality of conductors fastened in the base at the bottom with forked terminals projecting over the top surface of the base so that a ribbon cable can be placed thereon and squeezed by the ribbon cable fastener to force the forked terminals to pierce through the ribbon cable permitting the conductors in the ribbon cable to electrically retained at the fork of the forked terminals. The stress eliminator has two hook portions respectively hooked up with the base at two opposite ends so as to firmly secure the ribbon cable fastener to the base against any possible stress. The base has a dovetail groove at the bottom conveniently for mounting on a bus-bar main track through dovetail joint to electrically connect the ribbon cable to a bus-bar.
    Type: Grant
    Filed: October 9, 1990
    Date of Patent: August 20, 1991
    Assignee: Pan-International Industrial Corp.
    Inventors: Yun-Yu Liu, Jih-Bin Lin
  • Patent number: 5017157
    Abstract: A receptacle for cable connector with locking mechanism and electric shielding property, which includes a socket having a circular recessed portion at the front end for the setting therein of a metal hoop to hold a dielectric core. The metal hoop comprises a plurality of resilient strips projecting from its inner wall surface and disposed in a gap between the socket and the dielectric core so as to produce a retaining force onto the metal fastening tube of the cable plug which is inserted therein to reinforce the connection and improve electric shielding effect. An opening is made on the metal hoop so that a channel is defined between the metal hoop and the circular recessed portion of the socket for the fastening therein of the unitary hook portion of the metal fastening tube of the cable plug.
    Type: Grant
    Filed: April 17, 1990
    Date of Patent: May 21, 1991
    Assignee: Pan-International Industrial Corp.
    Inventors: Yun-Yu Liu, Hsiao-Lei Shih
  • Patent number: 5017158
    Abstract: A receptacle for computer mother board connectors with a self-locking and electric shielding mechanism, which includes a rubber core (1) incorporated with a metal ring (2) and received in a metal casing (3). The rubber core (1) is unitarily made of rubber material through a shape molding process, and has a circular slot (13) on its front end, or top, for the insertion therein of the metal ring (2), two recessed holes (14) and two fastening holes (15) at both opposite sides for securing the metal ring and the metal casing to provide good electric shielding.
    Type: Grant
    Filed: May 2, 1990
    Date of Patent: May 21, 1991
    Assignee: Pan-International Industrial Corp.
    Inventors: Yun-Yu Liu, Hsiao-Lei Shih
  • Patent number: D334173
    Type: Grant
    Filed: July 17, 1991
    Date of Patent: March 23, 1993
    Assignee: Pan-International Industrial Corp.
    Inventors: Yun-Yu Liu, Ming-Shing Laiw