Patents by Inventor Yung-Lung Liu

Yung-Lung 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: 9013436
    Abstract: A touch device includes a circuit board, a substrate and a touch-sensing layer. The touch-sensing layer including patterned electrode sets is disposed on the substrate. Each patterned electrode set includes a driving electrode connected to the circuit board and sensing electrodes having wiring lines connected to the circuit board. The wiring lines of each patterned electrode set include first and second groups. The length for one of the wiring lines in the first group is greater than the length for one of the wiring lines in the second group. Diameters of the wiring lines in the first group are greater than diameters of the wiring lines in the second group. The diameter of the longer wiring line is greater than the diameter of the shorter wiring line, in the first group. The diameters in the second group are identical. The total widths of the first and second groups are equal.
    Type: Grant
    Filed: December 12, 2013
    Date of Patent: April 21, 2015
    Assignee: Young Lighting Technology Inc.
    Inventors: Yung-Lung Liu, Hsien-Ming Chen, Chwen-Tay Hwang
  • Patent number: 8937814
    Abstract: A positioning structure for positioning a plate-shaped structure having at least one positioning hole is disclosed. The positioning structure includes at least one positioning element corresponding to the positioning hole, and the positioning element includes a placement portion for supporting the plate-shaped structure and a positioning portion extending toward a direction far away from the placement portion to form a hollow cylinder shape, and the positioning portion has an outer surrounding surface and a plurality of inner threads. Hence, when the outer surrounding surface of the positioning portion of the positioning element is inserted into the positioning hole to contact with the inner surface of the positioning hole, the positioning portion of the position element can be positioned in the positioning hole, thus the instant disclosure can be used to accurately position and secure the plate-shaped structure.
    Type: Grant
    Filed: July 13, 2012
    Date of Patent: January 20, 2015
    Assignees: Lite-On Electronics (Guangzhou) Limited, Lite-On Technology Corporation
    Inventors: Chun Tang Tu, Chuan-Chieh Tseng, Yung-Lung Liu
  • Publication number: 20140253828
    Abstract: A touch device includes a circuit board, a substrate and a touch-sensing layer. The touch-sensing layer including patterned electrode sets is disposed on the substrate. Each patterned electrode set includes a driving electrode connected to the circuit board and sensing electrodes having wiring lines connected to the circuit board. The wiring lines of each patterned electrode set include first and second groups. The length for one of the wiring lines in the first group is greater than the length for one of the wiring lines in the second group. Diameters of the wiring lines in the first group are greater than diameters of the wiring lines in the second group. The diameter of the longer wiring line is greater than the diameter of the shorter wiring line, in the first group. The diameters in the second group are identical. The total widths of the first and second groups are equal.
    Type: Application
    Filed: December 12, 2013
    Publication date: September 11, 2014
    Applicant: YOUNG LIGHTING TECHNOLOGY INC.
    Inventors: Yung-Lung Liu, Hsien-Ming Chen, Chwen-Tay Hwang
  • Publication number: 20140218295
    Abstract: A computer mouse is provided with a curved cover, an operating zone formed on an outer surface of the cover, and a capacitive trigger layer formed on an inner surface of the cover, the capacitive trigger layer including first and second sensors arranged in matrix, the first sensors arranged perpendicular to the second sensors, and the sensors corresponding to the operating zone so that a touch of the operating zone changes capacitances of the sensors to generate a touch signal; a PCB disposed on the base and including a controller for processing and transmitting the touch signal, and a photo-sensing assembly for sensing reflected light, generating a signal representing the reflected light, and processing the reflected light signal; and a base complementarily, detachably secured to the cover, and a light guide for directing and converging light disposed on the base.
    Type: Application
    Filed: February 4, 2013
    Publication date: August 7, 2014
    Applicant: SUNREX TECHNOLOGY CORP.
    Inventor: Yung-Lung Liu
  • Publication number: 20140168080
    Abstract: An optical input apparatus is provided and includes an input device for providing data and control signals to a computer; and at least one object sensing module disposed on a top of the input device and each including an optical sensor and a light source. The light source is capable of emitting light upward divergently to create a virtual sensing space above.
    Type: Application
    Filed: July 23, 2013
    Publication date: June 19, 2014
    Applicant: Sunrex Technology Corp.
    Inventors: Huo-Lu Tsai, Yung-Lung Liu
  • Publication number: 20140132516
    Abstract: An optical keyboard includes a key assembly for alphanumeric data input; a keyboard housing being an integrally formed rectangular block for surrounding the key assembly, the keyboard housing including a left frame member, a right frame member, a rear frame member, and a front frame member; and at least one actuation sensing module disposed on a periphery of the keyboard housing, each of the at least one actuation sensing module including a light emitting member for emitting light directed to a predetermined space above the key assembly within the keyboard housing to create a sensing zone, and a photo sensor for sensing light emitted from the light emitting member.
    Type: Application
    Filed: November 12, 2012
    Publication date: May 15, 2014
    Applicant: Sunrex Technology Corp.
    Inventors: HUO-LU TSAI, Yung-Lung Liu
  • Patent number: 8693182
    Abstract: A fixing mechanism for storage device includes a frame, and a detent component. One sidewall of the frame has a latch member. The detent component is movably disposed on the sidewall of the frame, and has a pressing component and an operating component. The operating component is disposed with at least one stop block. When the operating component is moved relative to the frame to a press position, the pressing component pushes the latch member to engage with the storage device, the stop block is embedded in the frame, and the detent component is held in the press position. Accordingly, the storage device may be fixed to the frame rapidly without using any screw, the operating procedure is dramatically simplified, and the space occupied by the fixing mechanism and the manufacturing cost are reduced.
    Type: Grant
    Filed: August 31, 2011
    Date of Patent: April 8, 2014
    Assignees: Lite-On Electronic (Guangzhou) Limited, Lite-On Technology Corporation
    Inventors: Po-Hsiu Kuo, Chih-Li Liu, Yung-Lung Liu, Chuan-Chieh Tseng
  • Publication number: 20130308285
    Abstract: A positioning structure for positioning a plate-shaped structure having at least one positioning hole is disclosed. The positioning structure includes at least one positioning element corresponding to the positioning hole, and the positioning element includes a placement portion for supporting the plate-shaped structure and a positioning portion extending toward a direction far away from the placement portion to form a hollow cylinder shape, and the positioning portion has an outer surrounding surface and a plurality of inner threads. Hence, when the outer surrounding surface of the positioning portion of the positioning element is inserted into the positioning hole to contact with the inner surface of the positioning hole, the positioning portion of the position element can be positioned in the positioning hole, thus the instant disclosure can be used to accurately position and secure the plate-shaped structure.
    Type: Application
    Filed: July 13, 2012
    Publication date: November 21, 2013
    Applicants: LITE-ON TECHNOLOGY CORPORATION, SILITEK ELECTRONIC (GUANGZHOU) CO., LTD.
    Inventors: CHUN TANG TU, CHUAN-CHIEH TSENG, YUNG-LUNG LIU
  • Patent number: 8584999
    Abstract: This invention relates to a retaining mechanism adapted for securing a data storage device having sides formed with a plurality of mounting holes. The retaining mechanism includes a securing structure and a retainer. The securing structure includes a wall body, an accommodating hole formed through the wall body, and a pair of elastic arms extending from the wall body into the accommodating hole. Each elastic arm has a fixed end connected to the corresponding inner surface of the accommodating hole and a free end extending inclined and downwardly toward a bottom of the accommodating hole. The retainer has one end engaging one of the mounting holes in the data storage device and the other end pressed by the elastic arms, and is secured in the securing structure. The retaining mechanism can be used as a snap-in bracket or a frame for quick replacement of the data storage device.
    Type: Grant
    Filed: December 29, 2011
    Date of Patent: November 19, 2013
    Assignees: Lite-On Electronics (Guangzhou) Limited, Lite-On Technology Corporation
    Inventors: Chih-Li Liu, Yung-Lung Liu
  • Patent number: 8573717
    Abstract: A front panel assembly includes an inner cover plate having two first positioning pins, and a sliding door mechanism including a pair of slide rails each provided on a lateral side of the inner cover plate and having top and bottom ends. The first positioning pins are disposed intermediate of the pair of the slide rails. A door panel is slidable upward and downward along the slide rails, and has two second positioning pins. Two spring elements are disposed between the door panel and the inner cover plate. Each spring element has a first connecting end connected pivotally to a corresponding first positioning pin, and a second connecting end connected pivotally to a corresponding second positioning pin.
    Type: Grant
    Filed: January 7, 2011
    Date of Patent: November 5, 2013
    Assignees: Lite-On Electronics (Guangzhou) Limited, Lite-On Technology Corp.
    Inventors: Yung-Lung Liu, Chuan-Chieh Tseng, Jie-Dong Chen
  • Patent number: 8562082
    Abstract: A fixing mechanism of housing includes a housing and a fixing assembly. The housing has a first wall and a second wall connected adjacently. The first wall has an assembling portion with an assembling hole projected thereon. The second wall has a buckling tab. The fixing assembly includes a knob and a locking piece. The knob has an operating portion, connected to a mounting arm, disposed on the assembling portion. The locking piece has a base disposed on the inner side of the assembling portion, a hooking arm extended from the base, and an elastic portion. The mounting arm penetrates through the assembling hole in securing to the base. The elastic portion is connected to the hooking arm and the first wall on respective ends. The free end of the hooking arm has a claw portion selectively engaged with the buckling tab of the second wall.
    Type: Grant
    Filed: June 30, 2011
    Date of Patent: October 22, 2013
    Assignees: Lite-On Electronics (Guangzhou) Limited, Lite-On Technology Corporation
    Inventors: Chih-Li Liu, Yung-Lung Liu, Chuan-Chieh Tseng
  • Patent number: 8404984
    Abstract: A lighted keyboard includes transparent, rectangular keys each comprising a bottom stem; scissors shaped structures disposed under the keys, each scissors shaped structure being aligned with the stem and comprising a first frame and a second frame pivotally secured together; an OLED sheet disposed under the scissors shaped structures and comprising units each including a hole; an optically transmissive rubber plate disposed under the OLED sheet and comprising units each including a resilient dome passing through the hole of the unit of the OLED sheet, the resilient dome having a conductive shaft aligned with the stem; a membrane circuit board disposed under the rubber plate and comprising a plurality of contacts each aligned with the conductive shaft; and a rectangular aluminum plate disposed under the membrane circuit board and comprising units each including snapping grooves and a slide guide groove secured to the scissors shaped structure.
    Type: Grant
    Filed: October 25, 2010
    Date of Patent: March 26, 2013
    Assignee: Sunrex Technology Corp.
    Inventor: Yung-Lung Liu
  • Publication number: 20130048813
    Abstract: This invention relates to a retaining mechanism adapted for securing a data storage device having sides formed with a plurality of mounting holes. The retaining mechanism includes a securing structure and a retainer. The securing structure includes a wall body, an accommodating hole formed through the wall body, and a pair of elastic arms extending from the wall body into the accommodating hole. Each elastic arm has a fixed end connected to the corresponding inner surface of the accommodating hole and a free end extending inclined and downwardly toward a bottom of the accommodating hole. The retainer has one end engaging one of the mounting holes in the data storage device and the other end pressed by the elastic arms, and is secured in the securing structure. The retaining mechanism can be used as a snap-in bracket or a frame for quick replacement of the data storage device.
    Type: Application
    Filed: December 29, 2011
    Publication date: February 28, 2013
    Applicants: LITE-ON TECHNOLOGY CORPORATION, SILITEK ELECTRONIC (GUANGZHOU) CO., LTD.
    Inventors: CHIH-LI LIU, YUNG-LUNG LIU
  • Patent number: 8383971
    Abstract: An illuminated keyboard includes keys; a base plate; an LED circuit board on the base plate and comprising a first circuitry and LEDs; a spacer plate on the LED circuit board and comprising units each corresponding to the key, each unit including two first groove connectors, two second groove connectors, and at least one opening each for receiving the LED; an optically transmissive film circuit board on the spacer plate and comprising a second circuitry, switch contacts, and holes, the first or second groove connector passing through the hole; and a rubber plate on the film circuit board and comprising resilient domes each disposed between the key and the switch contact, the dome having a recessed top for retaining the key, a bottom stem, and through holes grouped as groups each around the dome. The first or second groove connectors are adapted to pass through the holes.
    Type: Grant
    Filed: September 1, 2010
    Date of Patent: February 26, 2013
    Assignee: Sunrex Technology Corp.
    Inventor: Yung-Lung Liu
  • Patent number: 8383972
    Abstract: An illuminated keyboard includes keys; a spacer board on a base plate and comprising units each including two first groove connectors and two second groove connectors; an optically transmissive film circuit board on the spacer board and comprising a second circuitry, switch contacts, and first holes each with the first or second groove connector passing; a rubber plate of optically transmissive plastic and on the film circuit board, the rubber plate comprising resilient domes having a recessed top for retaining the key, a conductive bottom stem above the switch contact, and second holes grouped as groups each formed as four corners around the dome, the first or second groove connectors adapted to pass through the second holes; and an LED circuit board on the rubber plate and comprising a first circuitry and LEDs electrically connected to the first circuitry to be powered therefrom.
    Type: Grant
    Filed: September 1, 2010
    Date of Patent: February 26, 2013
    Assignee: Sunrex Technology Corp.
    Inventor: Yung-Lung Liu
  • Patent number: 8288673
    Abstract: A laptop keyboard in one embodiment includes a rectangular key printing film formed of an optically transmissive material and comprising keys; a rectangular luminescent sheet formed of optically transmissive silicone rubber, the luminescent sheet being mounted below the key printing film; an LED light source disposed to a side of the luminescent sheet; and a capacitive layer mounted below the luminescent sheet and comprising an insulative layer and pairs of upper and lower conductors wherein a pressing of the key changes capacitance of the pair of upper and lower conductors for typing or performing a predetermined command. Light emitted by the LED light source is directed to the luminescent sheet which in turn directs the light upward toward the key printing film.
    Type: Grant
    Filed: January 6, 2010
    Date of Patent: October 16, 2012
    Assignee: Sunrex Technology Corp.
    Inventors: Yung-Lung Liu, Shih-Pin Lin
  • Patent number: 8284549
    Abstract: An inverted U-shaped frame includes a coupling at either end of the inverted U-shaped frame for pivotably securing to front corners of an electronic device (e.g., laptop or computer keyboard); a micro-projector pivotably mounted on a transverse part of the inverted U-shaped frame; and a camera pivotably mounted on the transverse part of the inverted U-shaped frame besides the micro-projector.
    Type: Grant
    Filed: May 24, 2010
    Date of Patent: October 9, 2012
    Assignee: Sunrex Technology Corp.
    Inventor: Yung-Lung Liu
  • Patent number: 8269723
    Abstract: A computer mouse in one embodiment includes an arcuate cover comprising a plurality of projections on a top surface; a capacitance trigger assembly aligned with the projections thereabove and comprising a flexible arcuate first capacitive film and a flexible arcuate second capacitive film therebelow; a printed circuit board disposed under the capacitance trigger assembly and comprising a photodetector array on an underside and a microprocessor; and a base releasably secured to the cover and comprising a light guide. In response to a touch of the projection, a button clicking action is triggered.
    Type: Grant
    Filed: January 6, 2010
    Date of Patent: September 18, 2012
    Assignee: Sunrex Technology Corp.
    Inventor: Yung-Lung Liu
  • Patent number: 8264599
    Abstract: A laptop includes a housing; a keyboard mounted on the housing; a rectangular frame element pivotably secured to a front end of the housing and being adapted to open or close onto the keyboard; a screen enclosed by the frame element; an inverted U-shaped frame member pivotably secured to front corners of the housing and being adapted to open or close onto the frame element; a micro-projector pivotably mounted on a transverse part of the frame member; and a camera pivotably mounted on the transverse part of the frame member besides the micro-projector.
    Type: Grant
    Filed: May 17, 2010
    Date of Patent: September 11, 2012
    Assignee: Sunrex Technology Corp.
    Inventor: Yung-Lung Liu
  • Publication number: 20120212113
    Abstract: A fixing mechanism of housing includes a housing and a fixing assembly. The housing has a first wall and a second wall connected adjacently. The first wall has an assembling portion with an assembling hole projected thereon. The second wall has a buckling tab. The fixing assembly includes a knob and a locking piece. The knob has an operating portion, connected to a mounting arm, disposed on the assembling portion. The locking piece has a base disposed on the inner side of the assembling portion, a hooking arm extended from the base, and an elastic portion. The mounting arm penetrates through the assembling hole in securing to the base. The elastic portion is connected to the hooking arm and the first wall on respective ends. The free end of the hooking arm has a claw portion selectively engaged with the buckling tab of the second wall.
    Type: Application
    Filed: June 30, 2011
    Publication date: August 23, 2012
    Applicants: LITE-ON TECHNOLOGY CORPORATION, SILITEK ELECTRONIC (GUANGZHOU) CO., LTD.
    Inventors: CHIH-LI LIU, YUNG-LUNG LIU, CHUAN-CHIEH TSENG