Patents by Inventor Chi-Jen Chen

Chi-Jen 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: 20220278013
    Abstract: A method for fabricating an electronic package is provided. A filling material is formed in an interval S, at which a plurality of electronic components disposed on a carrying structure are spaced apart from one another. The filling material acts as a spacer having a groove, and the groove acts as a stress buffering region. Therefore, the electronic components can be prevented from being broken due to stress concentration.
    Type: Application
    Filed: May 18, 2022
    Publication date: September 1, 2022
    Applicant: Siliconware Precision Industries Co., Ltd.
    Inventors: Hong-Da Chang, Chun-Chang Ting, Chi-Jen Chen
  • Patent number: 11430380
    Abstract: The present disclosure relates to a pixel circuit including a light emitting element, a driving circuit, a first data storage circuit and a second data storage circuit. The driving circuit is electrically coupled to the light emitting element. The first data storage circuit is electrically coupled to the driving circuit, and is configured to transmit a first data signal to the driving circuit during a first frame period, so that the driving circuit drives the light emitting element according to the first data signal. The second data storage circuit is electrically coupled to the driving circuit, and is configured to receive a second data signal during the first frame period.
    Type: Grant
    Filed: July 6, 2021
    Date of Patent: August 30, 2022
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Po-Chun Lai, Wei-Ting Wu, Wei-Jen Chen, Chi-Fu Tsao, Yung-Chih Chen
  • Patent number: 11410846
    Abstract: The present disclosure provides a method for forming an integrated circuit (IC) structure. The method includes providing a metal gate (MG), an etch stop layer (ESL) formed on the MG, and a dielectric layer formed on the ESL. The method further includes etching the ESL and the dielectric layer to form a trench. A surface of the MG exposed in the trench is oxidized to form a first oxide layer on the MG. The method further includes removing the first oxide layer using a H3PO4 solution.
    Type: Grant
    Filed: November 10, 2020
    Date of Patent: August 9, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Shich-Chang Suen, Li-Chieh Wu, Chi-Jen Liu, He Hui Peng, Liang-Guang Chen, Yung-Chung Chen
  • Patent number: 11398413
    Abstract: A method for fabricating an electronic package is provided. A filling material is formed in an interval S, at which a plurality of electronic components disposed on a carrying structure are spaced apart from one another. The filling material acts as a spacer having a groove, and the groove acts as a stress buffering region. Therefore, the electronic components can be prevented from being broken due to stress concentration.
    Type: Grant
    Filed: January 6, 2020
    Date of Patent: July 26, 2022
    Assignee: Siliconware Precision Industries Co., Ltd.
    Inventors: Hong-Da Chang, Chun-Chang Ting, Chi-Jen Chen
  • Publication number: 20220181225
    Abstract: An electronic package and a method for manufacturing the electronic package are provided. The method includes forming a slope surface on at least one side surface of at least one of a plurality of electronic components, and then disposing the plurality of electronic components on a carrier structure, such that the two adjacent electronic components form a space by the slope surface. Afterwards, an encapsulation layer is formed on the carrier structure and filled into the space to cover the two adjacent electronic components so as to disperse stress on the electronic components through the design of the space to prevent cracking due to stress concentration.
    Type: Application
    Filed: January 28, 2021
    Publication date: June 9, 2022
    Applicant: SILICONWARE PRECISION INDUSTRIES CO., LTD.
    Inventors: Chi-Jen Chen, Hsi-Chang Hsu, Yuan-Hung Hsu, Chang-Fu Lin, Don-Son Jiang
  • Publication number: 20220173052
    Abstract: An electronic package is provided and includes at least one protective structure positioned between a first electronic element and a second electronic element on a carrier for reducing stresses generated inside the first electronic element and the second electronic element when a filling material is formed on the carrier, encapsulates the protective structure and comes into contact with the first electronic element and the second electronic element, thereby preventing cracking of the first electronic element and the second electronic element and improving the reliability of the electronic package.
    Type: Application
    Filed: January 28, 2021
    Publication date: June 2, 2022
    Applicant: SILICONWARE PRECISION INDUSTRIES CO., LTD.
    Inventors: Chih-Hsun Hsu, Chi-Jen Chen, Hsi-Chang Hsu, Yuan-Hung Hsu, Rui-Feng Tai, Don-Son Jiang
  • Patent number: 11258995
    Abstract: A projector and a drive circuit thereof are provided. The projector includes a light source and a drive circuit. The light source includes at least one red light diode, at least one green light diode, at least one first blue light diode and at least one second blue light diode. The drive circuit includes a red light drive circuit, a green light drive circuit, a first blue light drive circuit and a second blue light drive circuit. The green light drive circuit outputs a green light drive signal to the green light diode according to a green light control signal. The second blue light drive circuit outputs a second blue light drive signal to the second blue light diode according to a second blue light control signal. The second blue light control signal and the green light drive signal have synchronous pulse.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: February 22, 2022
    Assignee: Qisda Corporation
    Inventors: Chi-Jen Chen, Fang-Chieh Lu, Chun-Hsiao Lin
  • Patent number: 11220770
    Abstract: A portable patchwork sewing tool kit includes: a base plate, the inner face thereof is provided with a first page and a second page which can be folded or unfolded optionally; a rotary cutting mat fixed to the first page, the rotary cutting mat comprises a bottom plate and a cutting plate pad screwed on the bottom plate through a pivot joint base to be rotated under stress; a detachable ironing mat fixed to the second page, including a core board, a cotton spreading layer covering the core board and a cotton fabric surface layer covering the cotton spreading layer, an ironing face formed outside the cotton fabric surface layer; and a plurality of pushing edges formed around the cutting plate pad and spaced apart.
    Type: Grant
    Filed: March 5, 2020
    Date of Patent: January 11, 2022
    Inventor: Chi-Jen Chen
  • Patent number: 11215913
    Abstract: A projector drive circuit includes a first voltage converter, a light source driver, a second voltage converter, and an isolation circuit. The first voltage converter converts a first voltage into a second voltage. The light source driver converts the second voltage into a third voltage. The second voltage converter converts the second voltage into a fourth voltage. The control circuit, coupled to the second voltage converter, receives the fourth voltage and outputs a first control signal. The isolation circuit, coupled to the control circuit and the light source driver, receives the first control signal and generates a second control signal to the light source driver, which controls the light source driver to generate the third voltage and provide the third voltage to a light source according to the second control signal. The isolation circuit electrically isolates the control circuit from the light source driver.
    Type: Grant
    Filed: December 24, 2019
    Date of Patent: January 4, 2022
    Assignee: Qisda Corporation
    Inventors: Chih-Hsiang Wu, Chi-Jen Chen
  • Publication number: 20210277558
    Abstract: A portable patchwork sewing tool kit includes: a base plate, the inner face thereof is provided with a first page and a second page which can be folded or unfolded optionally; a rotary cutting mat fixed to the first page, the rotary cutting mat comprises a bottom plate and a cutting plate pad screwed on the bottom plate through a pivot joint base to be rotated under stress; a detachable ironing mat fixed to the second page, including a core board, a cotton spreading layer covering the core board and a cotton fabric surface layer covering the cotton spreading layer, an ironing face formed outside the cotton fabric surface layer; and a plurality of pushing edges formed around the cutting plate pad and spaced apart.
    Type: Application
    Filed: March 5, 2020
    Publication date: September 9, 2021
    Inventor: Chi-Jen CHEN
  • Publication number: 20210280530
    Abstract: Provided is an electronic package, including a multi-chip packaging body with a plurality of electronic elements and a stress buffer layer disposed on the multi-chip packaging body. The stress buffer layer is in contact with the plurality of electronic elements so as to cause stresses to be evenly distributed in the stress buffer layer instead of being concentrated in specific areas, thereby preventing structural stresses from being concentrated in corners of the electronic elements.
    Type: Application
    Filed: May 18, 2020
    Publication date: September 9, 2021
    Applicant: SILICONWARE PRECISION INDUSTRIES CO., LTD.
    Inventors: Chi-Jen Chen, Chih-Hsun Hsu, Chee-Key Chung, Jia-Wei Pan, Chang-Fu Lin
  • Patent number: 11076466
    Abstract: A light intensity adjustment circuit includes a delay circuit, a switching circuit and a light-emitting circuit. The delay circuit includes a capacitor and is used to receive a first pulse width modulation signal and generate a delay signal according to the first pulse width modulation signal. The switching circuit includes a switching unit and an isolation circuit. The switching unit includes a control terminal coupled to the delay circuit and used to receive the delay signal, and a first terminal used to generate a current according to the delay signal. The isolation circuit is coupled to the first terminal of the switching unit and generate a second pulse width modulation signal according to the current. The light-emitting circuit is used to receive the second pulse width modulation signal and emit light accordingly.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: July 27, 2021
    Assignee: Qisda Corporation
    Inventors: Tsung-Hsun Wu, Chi-Jen Chen, Yuan-Ting Fang
  • Publication number: 20210204378
    Abstract: A light intensity adjustment circuit includes a delay circuit, a switching circuit and a light-emitting circuit. The delay circuit includes a capacitor and is used to receive a first pulse width modulation signal and generate a delay signal according to the first pulse width modulation signal. The switching circuit includes a switching unit and an isolation circuit. The switching unit includes a control terminal coupled to the delay circuit and used to receive the delay signal, and a first terminal used to generate a current according to the delay signal. The isolation circuit is coupled to the first terminal of the switching unit and generate a second pulse width modulation signal according to the current. The light-emitting circuit is used to receive the second pulse width modulation signal and emit light accordingly.
    Type: Application
    Filed: September 24, 2020
    Publication date: July 1, 2021
    Inventors: Tsung-Hsun Wu, Chi-Jen Chen, Yuan-Ting Fang
  • Patent number: 11044435
    Abstract: A driver circuit includes a first voltage conversion unit, a second voltage conversion unit, a third voltage conversion unit, a light driver and a control circuit. The first voltage conversion unit may convert a first voltage to a second voltage. The second voltage conversion unit may convert the second voltage to a third voltage in a non-electrically isolated manner. The third voltage conversion unit may convert the second voltage to a fourth voltage in a non-electrically isolated manner. The light driver may receive the third voltage and a control signal to generate a control current according to the control signal. The control circuit may receive the fourth voltage and an image signal to generate the control signal according to the image signal.
    Type: Grant
    Filed: June 2, 2019
    Date of Patent: June 22, 2021
    Assignee: Qisda Corporation
    Inventors: Fang-Chieh Lu, Chi-Jen Chen, Chuan-Chu Chen, Ching-Ying Tsou
  • Publication number: 20210086344
    Abstract: A sewing tape measure with a print-on anti-slip structure includes a transparent substrate and a reference line unit disposed on top surface or a bottom surface of the transparent substrate. The reference line unit includes a plurality of lateral main reference lines and longitudinal main reference lines. Each adjacent longitudinal main reference line is provided with a plurality of secondary reference lines, and a no reference line area is defined between adjacent lateral main reference lines, adjacent longitudinal main reference lines and adjacent secondary reference lines. The plural print-on anti-slip parts are disposed on the bottom surface of the transparent substrate at the interval, each print-on anti-slip part is printed by the printing ink with a anti-slip property, and each print-on anti-slip part is distributed within the range of no reference line area.
    Type: Application
    Filed: September 23, 2019
    Publication date: March 25, 2021
    Inventor: Chi-Jen CHEN
  • Publication number: 20210082837
    Abstract: An electronic package is provided and includes a plurality of electronic elements, a spacing structure connecting each of the plurality of electronic elements, and a plurality of conductive elements electrically connected to the plurality of electronic elements and serving as external contacts. The spacing structure has a recess to enhance the flexibility of the electronic elements after the electronic elements are connected to one another, thereby preventing the problem of warpage. A method for fabricating the electronic package is also provided.
    Type: Application
    Filed: May 6, 2020
    Publication date: March 18, 2021
    Applicant: SILICONWARE PRECISION INDUSTRIES CO., LTD.
    Inventors: Yu-Lung Huang, Chee-Key Chung, Yuan-Hung Hsu, Chi-Jen Chen
  • Publication number: 20210074603
    Abstract: A method for fabricating an electronic package is provided. A filling material is formed in an interval S, at which a plurality of electronic components disposed on a carrying structure are spaced apart from one another. The filling material acts as a spacer having a groove, and the groove acts as a stress buffering region. Therefore, the electronic components can be prevented from being broken due to stress concentration.
    Type: Application
    Filed: January 6, 2020
    Publication date: March 11, 2021
    Inventors: Hong-Da Chang, Chun-Chang Ting, Chi-Jen Chen
  • Patent number: 10892919
    Abstract: A detector and an interference cancellation method for a spatial multiplexing filter bank multicarrier with offset quadrature amplitude modulation (SM-FBMC/OQAM) system are provided. The detector includes a decision unit, an inter-symbol feedback filtering unit and an inter-antenna feedback filtering unit. The decision unit is configured to receive a plurality of reception signals corresponding to a subchannel and a plurality of reception antennas to output a decision signal corresponding to the subchannel and a transmission antenna. The inter-symbol feedback filtering unit is configured to feed back the decision signal corresponding to the subchannel and the transmission antenna to eliminate an inter-symbol interference (ISI). The inter-antenna feedback filtering unit is configured to feed back a decision signal corresponding to the subchannel and another transmission antenna to eliminate an inter-antenna interference (IAI).
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: January 12, 2021
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Kuei-Chiang Lai, Chi-Jen Chen
  • Patent number: 10816888
    Abstract: A power control circuit for a projector for controlling a light source of the projector. The power control circuit includes: a detector for detecting an AC input voltage is a first value or a second value; a switch coupled to the detector, conducting or disconnecting of the switch being based on the detector detecting whether the AC input voltage is the first value or the second value, the switch further outputting a first control signal; and a laser driver coupled to the switch and the light source, in response the first control signal from the switch to change power consumption of the light source. When the AC input voltage is the first value, power consumption of the light source is a default value. When the AC input voltage is the second value, power consumption of the light source decreased from the default value.
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: October 27, 2020
    Assignee: Qisda Corporation
    Inventors: Chi-Jen Chen, Fang-Chieh Lu, Chun-Hsiao Lin
  • Publication number: 20200326616
    Abstract: A power control circuit for a projector for controlling a light source of the projector. The power control circuit includes: a detector for detecting an AC input voltage is a first value or a second value; a switch coupled to the detector, conducting or disconnecting of the switch being based on the detector detecting whether the AC input voltage is the first value or the second value, the switch further outputting a first control signal; and a laser driver coupled to the switch and the light source, in response the first control signal from the switch to change power consumption of the light source. When the AC input voltage is the first value, power consumption of the light source is a default value. When the AC input voltage is the second value, power consumption of the light source decreased from the default value.
    Type: Application
    Filed: March 26, 2020
    Publication date: October 15, 2020
    Applicant: Qisda Corporation
    Inventors: Chi-Jen CHEN, Fang-Chieh LU, Chun-Hsiao LIN