Patents by Inventor Chih-Jung Liu

Chih-Jung 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).

  • Publication number: 20190306990
    Abstract: A display device is provided. The display device includes a display panel, a flexible circuit board, an integrated circuit, and a conductive layer. The flexible circuit board is electrically connected with the display panel and includes a plurality of conductive wires. The integrated circuit is disposed on the flexible circuit board and has a plurality of bumps. The conductive layer is disposed between the integrated circuit and the flexible circuit board and covers a periphery of the integrated circuit. In addition, the conductive layer includes an adhesive and a plurality of conductive particles distributed in the adhesive. Moreover, the bumps are electrically connected with the conductive wires through the conductive particles.
    Type: Application
    Filed: June 20, 2019
    Publication date: October 3, 2019
    Applicant: Innolux Corporation
    Inventors: Wei-Cheng Chu, Chia-Cheng Liu, Chih-Yuan Lee, Chin-Lung Ting, Tong-Jung Wang
  • Publication number: 20190252209
    Abstract: A semiconductor package has a first redistribution layer, a first die, a second redistribution layer, and a surface coating layer. The first die is encapsulated within a molding material and disposed on and electrically connected to the first redistribution layer. The second redistribution layer is disposed on the molding material, on the first die, and electrically connected to the first die. The second redistribution layer has a topmost metallization layer having at least one contact pad, and the at least one contact pad includes a concave portion. The surface coating layer covers a portion of the topmost metallization layer and exposes the concave portion of the at least one contact pad. A manufacturing process is also provided.
    Type: Application
    Filed: April 29, 2019
    Publication date: August 15, 2019
    Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Yu-Feng Chen, Chih-Hua Chen, Chen-Hua Yu, Chung-Shi Liu, Hung-Jui Kuo, Hui-Jung Tsai, Hao-Yi Tsai
  • Patent number: 10349542
    Abstract: The present disclosure provides a latch assembly for securing an electronic component within a computing device. The latch assembly includes a latch, a base, and a cover. The latch includes a first structural member with a first plurality of pins; a second structural member with a second plurality of pins; at least one linking element that connects the first structural member with the second structural member; and a first securing element located at the first structural member. The base includes a receiving space for receiving the latch; a first plurality of slots configured to receive the first plurality of pins; a second plurality of slots configured to receive the second plurality of pins; a plurality of protruding elements; and a second securing element corresponding with the first securing element. The cover is secured to the base at the plurality of protruding elements.
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: July 9, 2019
    Assignee: QUANTA COMPUTER INC.
    Inventors: Chao-Jung Chen, Chih-Hsiang Lee, Kun-Pei Liu, Tsung-Cheng Lin
  • Patent number: 10299397
    Abstract: A locking mechanism for securing a component card to a main board is provided and includes a base having a top portion with a beveled edge and a coupling portion engageable with the main board. The locking mechanism includes a sliding element slidably, coupled to the base, having an extended protrusion. The sliding element is slidable between a locked and an unlocked position, where the protrusion is displaced towards the base in the unlocked position. The locking mechanism includes a biasing element between the base and the sliding element within a protuberance opposite the protrusion. The biasing element urges the sliding element toward the locked position. The protuberance includes an aperture formed at an end opposite the protrusion and allows a portion of the biasing element to pass through. In the locked position, a bottom surface of the protrusion and a top surface of the base define a receiving space.
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: May 21, 2019
    Assignee: Quanta Computer Inc.
    Inventors: Chao-Jung Chen, Chih-Hsiang Lee, Kun-Pei Liu, Yi-Te Chang
  • Patent number: 10050188
    Abstract: A light emitting diode chip comprises a light emitting diode chip core and a coating layer. The coating layer covers side surfaces of the light emitting diode chip core. And a display composed of the light emitting diode chips is also provided.
    Type: Grant
    Filed: April 10, 2017
    Date of Patent: August 14, 2018
    Assignee: ADVANCED OPTOELECTRONIC TECHNOLOGY, INC
    Inventors: Chia-Hui Shen, Tzu-Chien Hung, Chien-Chung Peng, Chien-Shiang Huang, Shih-Cheng Huang, Chih-Jung Liu
  • Patent number: 10020426
    Abstract: A light emitting device includes a base and a light emitting diode chip, the light emitting diode chip is formed on a top surface of the base, an outline of a projection of the light emitting diode chip projected on the top surface of the base is positioned in the top surface of the base. The light emitting device further includes a light reflecting portion, the light reflecting portion is formed on the top surface of the base, the light reflecting portion is defined around the light emitting diode chip, a height of the light reflecting portion is less than a height of the light emitting diode chip.
    Type: Grant
    Filed: April 10, 2017
    Date of Patent: July 10, 2018
    Assignee: ADVANCED OPTOELECTRONIC TECHNOLOGY, INC
    Inventors: Chia-Hui Shen, Tzu-Chien Hung, Chien-Chung Peng, Chien-Shiang Huang, Chih-Jung Liu
  • Publication number: 20180040793
    Abstract: A light emitting diode chip comprises a light emitting diode chip core and a coating layer. The coating layer covers side surfaces of the light emitting diode chip core. And a display composed of the light emitting diode chips is also provided.
    Type: Application
    Filed: April 10, 2017
    Publication date: February 8, 2018
    Inventors: CHIA-HUI SHEN, TZU-CHIEN HUNG, CHIEN-CHUNG PENG, CHIEN-SHIANG HUANG, SHIH-CHENG HUANG, CHIH-JUNG LIU
  • Publication number: 20170062516
    Abstract: A light emitting diode (LED) element includes a first conducting layer, a light emitting layer and a second conducting layer. The light emitting layer and the second conducting layer successively are stacked on the first conducting layer. The first conducting layer includes a plurality of first electrodes spaced apart from each other. The second conducting layer includes a plurality of transparent electrodes spaced apart from each other. The light emitting layer includes a plurality of light emitting structures spaced apart from each other and isolated from each other. The light emitting structures are respectively electrically connected with different first electrodes or different second electrodes.
    Type: Application
    Filed: September 22, 2015
    Publication date: March 2, 2017
    Inventors: CHIEN-CHUNG PENG, TZU-CHIEN HUNG, CHIH-JUNG LIU
  • Patent number: 9231501
    Abstract: An energy retrieving device includes a first rectifier circuit, a direct current (DC) link circuit, a second rectifier circuit, an energy retrieving unit, a motor controller, and a micro control unit (MCU). The MCU includes an energy retrieving control module, to control the energy retrieving unit to work according to control of a processing module. The processing module detects whether a motor deceleration signal is generated by the motor, and controls the energy retrieving control module to make the energy retrieving unit retrieve power when the motor deceleration signal is generated by the motor.
    Type: Grant
    Filed: September 11, 2013
    Date of Patent: January 5, 2016
    Assignee: FOXNUM TECHNOLOGY CO., LTD.
    Inventors: Ching-Hsiung Mao, Chih-Jung Liu
  • Patent number: 9171993
    Abstract: An LED die includes a substrate, a light emitting structure, electrodes, a first transparent protecting layer, a reflection layer, and a second transparent protecting layer. The light emitting structure includes a first semiconductor layer, an active layer, a second semiconductor layer successively formed on the substrate. A part of first semiconductor layer being exposed. A first electrode is formed the first semiconductor layer. A second electrode is formed on the second semiconductor layer. The first transparent protecting layer, the reflection layer, and the second transparent protecting layer successively formed on the first electrode. The present disclosure also provides a method of manufacturing the LED die.
    Type: Grant
    Filed: August 14, 2014
    Date of Patent: October 27, 2015
    Assignee: ADVANCED OPTOELECTRONIC TECHNOLOGY, INC.
    Inventors: Chien-Chung Peng, Tzu-Chien Hung, Chia-Hui Shen, Chih-Jung Liu
  • Patent number: 9054288
    Abstract: A light emitting diode includes a light emitting structure, a transparent conductive layer and a transparent protecting layer formed in sequence. A plurality of holes are defined in the transparent protecting layer to expose the transparent conductive layer out of the transparent protecting layer. A plurality of micro-structures are formed on a top surface of the transparent conductive layer in the holes. The micro-structures refract light emitted from the light emitting structure and travelling through the transparent conductive layer.
    Type: Grant
    Filed: October 28, 2012
    Date of Patent: June 9, 2015
    Assignee: ADVANCED OPTOELECTRONIC TECHNOLOGY, INC.
    Inventors: Chih-Jung Liu, Tzu-Chien Hung
  • Publication number: 20150048305
    Abstract: An LED die includes a substrate, a light emitting structure, electrodes, a first transparent protecting layer, a reflection layer, and a second transparent protecting layer. The light emitting structure includes a first semiconductor layer, an active layer, a second semiconductor layer successively formed on the substrate. A part of first semiconductor layer being exposed. A first electrode is formed the first semiconductor layer. A second electrode is formed on the second semiconductor layer. The first transparent protecting layer, the reflection layer, and the second transparent protecting layer successively formed on the first electrode. The present disclosure also provides a method of manufacturing the LED die.
    Type: Application
    Filed: August 14, 2014
    Publication date: February 19, 2015
    Inventors: CHIEN-CHUNG PENG, TZU-CHIEN HUNG, CHIA-HUI SHEN, CHIH-JUNG LIU
  • Publication number: 20140176025
    Abstract: An energy retrieving device includes a first rectifier circuit, a direct current (DC) link circuit, a second rectifier circuit, an energy retrieving unit, a motor controller, and a micro control unit (MCU). The MCU includes an energy retrieving control module, to control the energy retrieving unit to work according to control of a processing module. The processing module detects whether a motor deceleration signal is generated by the motor, and controls the energy retrieving control module to make the energy retrieving unit retrieve power when the motor deceleration signal is generated by the motor.
    Type: Application
    Filed: September 11, 2013
    Publication date: June 26, 2014
    Applicant: FOXNUM TECHNOLOGY CO., LTD.
    Inventors: CHING-HSIUNG MAO, CHIH-JUNG LIU
  • Publication number: 20130256702
    Abstract: A light emitting diode includes a light emitting structure, a transparent conductive layer and a transparent protecting layer formed in sequence. A plurality of holes are defined in the transparent protecting layer to expose the transparent conductive layer out of the transparent protecting layer. A plurality of micro-structures are formed on a top surface of the transparent conductive layer in the holes. The micro-structures refract light emitted from the light emitting structure and travelling through the transparent conductive layer.
    Type: Application
    Filed: October 28, 2012
    Publication date: October 3, 2013
    Inventors: CHIH-JUNG LIU, TZU-CHIEN HUNG
  • Publication number: 20130221953
    Abstract: An absolute position recording device of a motor includes a main spindle, a magnetic ring, a magnetic induction unit, an encoder, a counter, and an operation unit. The magnetic ring and the encoder are fixed on and rotated by the main spindle. The magnetic induction unit outputs square waves and the encoder outputs sine or cosine waves. The counter receives the square waves and calculates a number of rotations of the magnetic ring. The operation unit receives the sine or cosine waves and calculates an angular deflection relative to a standard position of the magnetic ring. The operation unit adds the angular deflection and the number of rotations and calculates an absolute angular position.
    Type: Application
    Filed: November 30, 2012
    Publication date: August 29, 2013
    Inventors: TSANN-HUEI CHANG, CHIH-JUNG LIU, CHENG-EN CHIEN
  • Patent number: 8063589
    Abstract: A drive system for multiple motors includes a first motor, a second motor, a motor drive power supply for supplying power to the first and second motors, a first motor drive amplifier, a second motor drive amplifier, a first overcurrent detection apparatus, and a second overcurrent detection apparatus. The first overcurrent detection apparatus is connected between the motor drive power supply and the first motor drive amplifier for detecting current through the first motor drive amplifier, and comparing the current value to the first overcurrent benchmark value to output an overcurrent detection signal correspondingly. The second overcurrent detection apparatus is connected between the motor drive power supply and the second motor drive amplifier for detecting current through the second motor drive amplifier, and comparing the current value to the second overcurrent benchmark value to output an overcurrent detection signal correspondingly.
    Type: Grant
    Filed: November 19, 2008
    Date of Patent: November 22, 2011
    Assignee: Foxnum Technology Co., Ltd.
    Inventor: Chih-Jung Liu
  • Patent number: 7969114
    Abstract: A system compatible for different types of signals relates to a motor includes a differential amplifier, a comparator, and a transmitting device. The differential amplifier is configured to receive one of a differential digital pulse signals pair and a differential analog signals pair. The differential digital pulse signals pair is converted to a first digital signal, and the differential analog signals pair is converted to an analog signal by the differential amplifier. The comparator is configured to convert the analog signal into a second digital signal. The first digital signal is received and outputted by the comparator. The transmitting device is configured to convert a data signals pair to a binary code, and convert differential reference digital signals pairs to reference digital signals. The reference digital signals, the first and second digital signals are received by an external computing device.
    Type: Grant
    Filed: December 15, 2008
    Date of Patent: June 28, 2011
    Assignee: Foxnum Technology Co., Ltd.
    Inventors: Chih-Jung Liu, Chin-Hsien Ting
  • Publication number: 20100248500
    Abstract: A motor driver includes a circuit board and a connection apparatus. The connection apparatus includes two connection components. Each connection component includes two connection portions and a number of pins. The two connection components are mounted to the circuit board to connect to a positive pole and a negative pole of the circuit board correspondingly via the number of pins. The two connection portions are configured for being connected to wires.
    Type: Application
    Filed: April 27, 2009
    Publication date: September 30, 2010
    Applicant: FOXNUM TECHNOLOGY CO., LTD.
    Inventors: CHIN-HSIEN TING, CHIH-JUNG LIU
  • Patent number: 7714761
    Abstract: A voltage error correction system includes a voltage converter, a first and a second analog to digital converters, a subtracter, an adder, and a digital voltage generator. The voltage converter adjusts an input voltage proportionally, adds the adjusted input voltage to a reference voltage to obtain a positive voltage, and outputs the positive voltage. The first analog to digital converter converts the positive voltage into a first digital voltage, the second analog to digital converter converts the reference voltage into a second digital voltage, the subtracter subtracts the second digital voltage from the first digital voltage and outputs a difference voltage, and the adder outputs a corrected voltage by adding the difference voltage of the subtracter to a compensation voltage.
    Type: Grant
    Filed: October 13, 2008
    Date of Patent: May 11, 2010
    Assignee: Foxnum Technology Co., Ltd.
    Inventor: Chih-Jung Liu
  • Publication number: 20100097024
    Abstract: A drive system for multiple motors includes a first motor, a second motor, a motor drive power supply for supplying power to the first and second motors, a first motor drive amplifier, a second motor drive amplifier, a first overcurrent detection apparatus, and a second overcurrent detection apparatus. The first overcurrent detection apparatus is connected between the motor drive power supply and the first motor drive amplifier for detecting current through the first motor drive amplifier, and comparing the current value to the first overcurrent benchmark value to output an overcurrent detection signal correspondingly. The second overcurrent detection apparatus is connected between the motor drive power supply and the second motor drive amplifier for detecting current through the second motor drive amplifier, and comparing the current value to the second overcurrent benchmark value to output an overcurrent detection signal correspondingly.
    Type: Application
    Filed: November 19, 2008
    Publication date: April 22, 2010
    Applicant: FOXNUM TECHNOLOGY CO., LTD.
    Inventor: CHIH-JUNG LIU