Patents by Inventor Shih-Chieh Chen

Shih-Chieh Chen 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: 20210233813
    Abstract: A stacked integrated circuit (IC) device and a method are disclosed. The stacked IC device includes a first semiconductor element. The first substrate includes a dielectric block in the first substrate; and a plurality of first conductive features formed in first inter-metal dielectric layers over the first substrate. The stacked IC device also includes a second semiconductor element bonded on the first semiconductor element. The second semiconductor element includes a second substrate and a plurality of second conductive features formed in second inter-metal dielectric layers over the second substrate. The stacked IC device also includes a conductive deep-interconnection-plug coupled between the first conductive features and the second conductive features. The conductive deep-interconnection-plug is isolated by dielectric block, the first inter-metal-dielectric layers and the second inter-metal-dielectric layers.
    Type: Application
    Filed: April 12, 2021
    Publication date: July 29, 2021
    Inventors: Shu-Ting Tsai, Jeng-Shyan Lin, Dun-Nian Yaung, Jen-Cheng Liu, Feng-Chi Hung, Chih-Hui Huang, Sheng-Chau Chen, Shih Pei Chou, Chia-Chieh Lin
  • Publication number: 20210226538
    Abstract: A PFM control circuit includes a switching circuit, a slope-decision circuit, a flip-flop, a first and a second comparison circuits. The first comparison circuit outputs a first signal according to an output voltage of a power conversion circuit. The switching circuit outputs a switching signal according to an output current of the power conversion circuit. The slope-decision circuit outputs a slope modulation voltage, and determines a slope modulation voltage with a first or a second slope according to the switching signal. The second comparison circuit outputs the second signal according to the slope modulation voltage. The flip-flop outputs a control signal to the power conversion circuit according to the first and the second signals. When the slope modulation voltage has the first or the second slope, the control signal has a first or a second frequency accordingly. The first frequency is higher than the second frequency.
    Type: Application
    Filed: April 17, 2020
    Publication date: July 22, 2021
    Inventors: Shih-Cheng WANG, Chun-Yu LUO, Shih-Chieh CHEN, Liang-Hui LI, Chun-Fu CHANG
  • Publication number: 20210103430
    Abstract: A power supplier circuit supplies a power signal to a codec of an audio apparatus. The power supplier circuit includes a random sequence generation circuit, a control circuit, and a power circuit. The random sequence generation circuit generates a random sequence. The control circuit outputs a first control signal according to the random sequence, a first reference signal, and the power signal. The power circuit generates the power signal according to the first control signal, such that the power signal is spread in response to the random sequence.
    Type: Application
    Filed: March 19, 2020
    Publication date: April 8, 2021
    Inventors: Shih-Cheng WANG, Chun-Yu LUO, Shih-Chieh CHEN
  • Publication number: 20200328681
    Abstract: A buck-boost switching regulating method includes outputting a mode signal according to an input voltage and an output voltage, generating one of a plurality of triangle waves according to the mode signal, comparing a feedback signal and a reference signal to generate an error signal, comparing the error signal and the generated triangle wave to output a comparison signal, and generating a set of switch signals according to the comparison signal. The feedback signal is related to the output voltage. The waveform of the triangle wave generated when the mode signal represents a buck-boost mode is larger than that when the mode signal represents a adjusting mode.
    Type: Application
    Filed: April 10, 2020
    Publication date: October 15, 2020
    Applicant: REALTEK SEMICONDUCTOR CORP.
    Inventors: Wei-Wen Ou, Shih-Chieh Chen, Chien-Sheng Chen, Hung-Hsuan Cheng
  • Patent number: 10756618
    Abstract: A regulator device includes a first switch, a second switch, a protecting circuit, and a driving circuit. The first switch is configured to receive power supply voltage. One terminal of the second switch and the first switch are coupled at a node. The other terminal of the second switch is coupled to ground. The protecting circuit is coupled to the node, and outputs at least one protecting signal according to the turn on/off state of the first switch and the second switch and the voltage of the node. The driving circuit is coupled to the first switch, the second switch, and the protecting circuit, and turns off the first switch or the second switch according the at least one protecting signal.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: August 25, 2020
    Assignee: REALTEK SEMICONDUCTOR CORPORATION
    Inventors: Wei-Wen Ou, Shih-Chieh Chen, Chien-Sheng Chen
  • Publication number: 20200136509
    Abstract: A regulator device includes a first switch, a second switch, and a controlling circuit. A control terminal of the first switch is configured to receive a first control signal. A first terminal of the second switch is coupled with a second terminal of the first switch at a node. A control terminal of the second switch is configured to receive a second control signal. The controlling circuit is coupled to the control terminal of the first switch, the control terminal of the second switch, and the node. The controlling circuit outputs the first control signal with a first slop to the first switch during a first period, and outputs the first control signal with a second slop to the first switch during a second period. The first period is less than the second period, and the first slope is larger than the second slope.
    Type: Application
    Filed: July 8, 2019
    Publication date: April 30, 2020
    Inventors: Wei-Wen OU, Shih-Chieh CHEN, Chien-Sheng CHEN
  • Publication number: 20200136499
    Abstract: A regulator device includes a first switch, a second switch, a protecting circuit, and a driving circuit. The first switch is configured to receive power supply voltage. One terminal of the second switch and the first switch are coupled at a node. The other terminal of the second switch is coupled to ground. The protecting circuit is coupled to the node, and outputs at least one protecting signal according to the turn on/off state of the first switch and the second switch and the voltage of the node. The driving circuit is coupled to the first switch, the second switch, and the protecting circuit, and turns off the first switch or the second switch according the at least one protecting signal.
    Type: Application
    Filed: June 28, 2019
    Publication date: April 30, 2020
    Inventors: Wei-Wen OU, Shih-Chieh CHEN, Chien-Sheng CHEN
  • Patent number: 10591946
    Abstract: A power circuit applied to an electronic device, includes: a control circuit and a power providing circuit, wherein the control circuit is coupled to at least one circuit installed within the electronic device, and is arranged to generate a providing information according to at least one performance indicator of the circuit, wherein the providing information includes an optimal voltage signal setting, and the optimal voltage signal setting is generated according to a performance coefficient corresponding to each performance indicator; the power providing circuit is coupled to the control circuit and the at least one circuit, and is arranged to dynamically provide a voltage signal to the circuit according to the providing information.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: March 17, 2020
    Assignee: Realtek Semiconductor Corp.
    Inventors: Chun-Yu Luo, Shih-Chieh Chen, Liang-Hui Li, Yi-Lin Li
  • Publication number: 20190347978
    Abstract: The present invention provides a backlight module and a connecting unit thereof. The connecting unit includes a base, a plurality of fixing pins and a plurality of connecting pins. The fixing pins protrude from the base and extend towards a first direction such that the fixing pins form an accommodating space. Each fixing pin includes a fixing portion arranged on an inner wall surface thereof. The connecting pins protrude from the base and extend towards the first direction. Each of the connecting pins has an end portion away from the base and bent away from the accommodating space. Each of the connecting pins has an abutting portion arranged on an outer wall thereof. The fixing portions are more deeply extended into the accommodating space than the inner wall surfaces of the connecting pins, and the abutting portions are more outwardly protruded than the outer wall surfaces of the fixing pins.
    Type: Application
    Filed: May 8, 2019
    Publication date: November 14, 2019
    Inventor: Shih-Chieh Chen
  • Publication number: 20190280486
    Abstract: A charging system includes: an input voltage supply circuit; a control circuit coupled to the input voltage supply circuit, configured to control the input voltage supply circuit to generate an input voltage according to a battery voltage of a target battery; and a charging circuit, coupled to the control circuit, configured to receive the input voltage and to provide a charging current to charge the target battery. The input voltage is generated according to a function that takes the battery voltage as a parameter. The input voltage is positively correlated with the battery voltage, and is greater than the battery voltage.
    Type: Application
    Filed: March 4, 2019
    Publication date: September 12, 2019
    Inventors: Hung-Hsuan Cheng, Shih-Chieh Chen, Cheng-Lin Huang, Chun-Yu Luo, Yi-Lin Li, Liang-Hui Li
  • Publication number: 20190018439
    Abstract: A power circuit applied to an electronic device, includes: a control circuit and a power providing circuit, wherein the control circuit is coupled to at least one circuit installed within the electronic device, and is arranged to generate a providing information according to at least one performance indicator of the circuit, wherein the providing information includes an optimal voltage signal setting, and the optimal voltage signal setting is generated according to a performance coefficient corresponding to each performance indicator; the power providing circuit is coupled to the control circuit and the at least one circuit, and is arranged to dynamically provide a voltage signal to the circuit according to the providing information.
    Type: Application
    Filed: July 6, 2018
    Publication date: January 17, 2019
    Inventors: Chun-Yu Luo, Shih-Chieh Chen, Liang-Hui Li, Yi-Lin Li
  • Patent number: 9793623
    Abstract: A coaxial cable connector assembly and a receptor connector are provided. The coaxial cable connector assembly is composed at least of one cable end connector and the receptor connector. The receptor connector is formed of an insertion space with a lateral insertion opening to allow one portion of the cable end connector to be inserted into the insertion space through the lateral insertion opening such that the cable end connector and the receptor connector are in electrical connection. The cable end connector will be constrained such that it cannot be detached from the receptor connector in the direction other than the lateral insertion opening.
    Type: Grant
    Filed: May 11, 2015
    Date of Patent: October 17, 2017
    Assignee: HARUMOTO TECHNOLOGY (SHEN ZHEN) CO., LTD.
    Inventors: Shih-Chieh Chen, Chia-Hsin Wang, Chin-Chuan Kung
  • Patent number: 9772640
    Abstract: A voltage selecting circuit includes: a first transistor, having a first terminal coupled with a first input terminal and having a second terminal coupled with a voltage output terminal; a second transistor, having a first terminal coupled with a second input terminal and having a second terminal coupled with the voltage output terminal; a first resistor positioned between the first input terminal and a control terminal of the second transistor; a second resistor positioned between the second input terminal and a control terminal of the first transistor; a first current adjusting circuit coupled with the control terminal of the first transistor; a second current adjusting circuit coupled with the control terminal of the second transistor; a comparison circuit for comparing voltages at the first and second input terminals; and a control circuit configured to operably control the first current adjusting circuit and the second current adjusting circuit.
    Type: Grant
    Filed: October 18, 2016
    Date of Patent: September 26, 2017
    Assignee: REALTEK SEMICONDUCTOR CORP.
    Inventor: Shih-Chieh Chen
  • Publication number: 20170207702
    Abstract: Disclosed are a feedback control circuit and a method thereof. The feedback control circuit includes a voltage comparator, a calibration voltage generator and processor. The voltage comparator receives a middle-point voltage and a calibration voltage, compares the middle-point voltage and calibration voltage, and outputs a reference voltage pulse signal. The calibration voltage generator generates the calibration voltage and outputs it to a switch driving circuit and the voltage comparator. The processor compares the pulse widths of the reference voltage pulse signal and a predetermined voltage pulse signal, and accordingly outputs a control signal to the calibration voltage generator to fine tune the calibration voltage. The switch driving circuit outputs a switch driving signal to a switching regulating circuit to adjust the timing when to turn on or off switches in the switching regulating circuit.
    Type: Application
    Filed: July 21, 2016
    Publication date: July 20, 2017
    Inventors: Shih-Chieh Chen, Chih-Cheng Lin
  • Patent number: 9712057
    Abstract: Disclosed are a feedback control circuit and a method thereof. The feedback control circuit includes a voltage comparator, a calibration voltage generator and processor. The voltage comparator receives a middle-point voltage and a calibration voltage, compares the middle-point voltage and calibration voltage, and outputs a reference voltage pulse signal. The calibration voltage generator generates the calibration voltage and outputs it to a switch driving circuit and the voltage comparator. The processor compares the pulse widths of the reference voltage pulse signal and a predetermined voltage pulse signal, and accordingly outputs a control signal to the calibration voltage generator to fine tune the calibration voltage. The switch driving circuit outputs a switch driving signal to a switching regulating circuit to adjust the timing when to turn on or off switches in the switching regulating circuit.
    Type: Grant
    Filed: July 21, 2016
    Date of Patent: July 18, 2017
    Assignee: REALTEK SEMICONDUCTOR CORP.
    Inventors: Shih-Chieh Chen, Chih-Cheng Lin
  • Publication number: 20170199539
    Abstract: A voltage selecting circuit includes: a first transistor, having a first terminal coupled with a first input terminal and having a second terminal coupled with a voltage output terminal; a second transistor, having a first terminal coupled with a second input terminal and having a second terminal coupled with the voltage output terminal; a first resistor positioned between the first input terminal and a control terminal of the second transistor; a second resistor positioned between the second input terminal and a control terminal of the first transistor; a first current adjusting circuit coupled with the control terminal of the first transistor; a second current adjusting circuit coupled with the control terminal of the second transistor; a comparison circuit for comparing voltages at the first and second input terminals; and a control circuit configured to operably control the first current adjusting circuit and the second current adjusting circuit.
    Type: Application
    Filed: October 18, 2016
    Publication date: July 13, 2017
    Applicant: Realtek Semiconductor Corp.
    Inventor: Shih-Chieh CHEN
  • Patent number: 9572289
    Abstract: Data center includes a first container and a second container containing data racks therein. The first container includes an air intake for inputting outside cooling air into the first container. The second container contacts the first container via a base between the first container and the second container. The base defines a cooling air passage and heated air passage both communicating the first container and the second container. The cooling air passage inputs cooling air from the first container to the second container. The heated air passage inputs heated air from the second container to the first container.
    Type: Grant
    Filed: April 18, 2014
    Date of Patent: February 14, 2017
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Chih-Hung Chang, Shih-Chieh Chen
  • Patent number: 9570982
    Abstract: A pulse generation circuit, for outputting a pulse signal at an output terminal, comprises a PMOS, an NMOS and a logic circuit. The PMOS has a source coupled to a first reference voltage level, a drain coupled to the output terminal, and a gate coupled to a first gate control signal. The NMOS has a source coupled to a second reference voltage level, a drain coupled to the output terminal, and a gate coupled to a second gate control signal. The logic circuit generates the first gate control signal according to a control signal and a first logic signal, relating to the second gate control signal and a delay signal of the second gate control signal, and generates the second gate control signal according to the control signal and a second logic signal, relating to the first gate control signal and a delay signal of the first control signal.
    Type: Grant
    Filed: February 11, 2015
    Date of Patent: February 14, 2017
    Assignee: REALTEK SEMICONDUCTOR CORPORATION
    Inventors: Jian-Ru Lin, Shih-Chieh Chen, Chih-Cheng Lin, Shih-Cheng Wang
  • Patent number: 9531096
    Abstract: A multiple-piece FPC connector disposes an insulation seat and a cover separately to constitute a multiple-piece structure, and buries entirety or part of an electric conduction terminal set into an insert molding mold of the connector insulation seat prior to the insert molding for the connector insulation seat to perform joining of the connector insulation seat and the electric conduction terminal set, such that fixation for the electric conduction terminal set is achieved without plug equipment. Thereby, complexity of making the FPC connector is reduced, and the issues of electric conduction terminal dropping and residual stress of insulation seat are solved.
    Type: Grant
    Filed: August 26, 2015
    Date of Patent: December 27, 2016
    Assignee: HARUMOTO TECHNOLOGY (SHEN ZHEN) CO., LTD.
    Inventors: Shih-Chieh Chen, Yi-Gen Lyu
  • Patent number: 9473128
    Abstract: A pulse generation circuit for outputting a pulse signal at an output terminal, including: a PMOS, an NMOS, and a logic circuit. The PMOS has a source coupled to a first reference voltage level, a drain coupled to the output terminal, and a gate that receives a first gate control signal. The NMOS has a source coupled to a second reference voltage level, a drain coupled to the output terminal, and a gate that receives a second gate control signal. The logic circuit generates the first gate control signal according to a control signal and a first delay signal and generates the second gate control signal according to the control signal and a second delay signal. The first delay signal is relevant to the second gate control signal and the control signal. The second delay signal is relevant to the first gate control signal and the control signal.
    Type: Grant
    Filed: February 12, 2015
    Date of Patent: October 18, 2016
    Assignee: REALTEK SEMICONDUCTOR CORPORATION
    Inventors: Shih-Cheng Wang, Shih-Chieh Chen, Jian-Ru Lin, Chih-Cheng Lin