Patents by Inventor Kai FANG

Kai FANG 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: 11769461
    Abstract: A backlight control method for a surface light-emitting device is provided. The backlight control method includes generating a plurality of driving currents to drive the surface light-emitting device such that a plurality of backlight zones generate a plurality of brightness values, measuring the plurality of brightness values of the plurality of backlight zones, calculating a plurality of uniformities of the plurality of backlight zones according to the plurality of brightness values and setting a plurality of target uniformities, generating a plurality of adjustment values according to the plurality of uniformities, the plurality of target uniformities and a plurality of adjustment coefficients corresponding to the plurality of backlight zones, and generating a plurality of adjusted driving currents to drive the plurality of backlight zones according to the plurality of adjustment values and the plurality of driving currents.
    Type: Grant
    Filed: August 29, 2022
    Date of Patent: September 26, 2023
    Assignee: Radiant Opto-Electronics Corporation
    Inventors: Li-Fei Wang, Yu-Lin Hsieh, Sheng-Kai Fang, Pei-Ling Kao
  • Publication number: 20230290705
    Abstract: A semiconductor structure is provided. The semiconductor structure includes a substrate and a device region formed over the substrate. The semiconductor structure further includes an interconnect structure formed over the device region and a first passivation layer formed over the interconnect structure. The semiconductor structure also includes a metal pad formed over and extending into the first passivation layer and a second passivation layer formed over the first passivation layer. The second passivation layer includes a thermal conductive material, and the thermal conductivity of the thermal conductive material is higher than 4 W/mK.
    Type: Application
    Filed: March 14, 2022
    Publication date: September 14, 2023
    Inventors: Cheng-Chin LEE, Shau-Lin SHUE, Shao-Kuan LEE, Hsiao-Kang CHANG, Cherng-Shiaw TSAI, Kai-Fang CHENG, Hsin-Yen HUANG, Ming-Hsien LIN, Chuan-Pu CHOU, Hsin-Ping CHEN, Chia-Tien WU, Kuang-Wei YANG
  • Publication number: 20230253286
    Abstract: In some embodiments, the present disclosure relates to an integrated chip that includes an electrical interconnect structure, a thermal interconnect structure, and a thermal passivation layer over a substrate. The electrical interconnect structure includes interconnect vias and interconnect wires embedded within interconnect dielectric layers. The thermal interconnect structure is arranged beside the electrical interconnect structure and includes thermal vias, thermal wires, and/or thermal layers. Further, the thermal interconnect structure is embedded within the interconnect dielectric layers. The thermal passivation layer is arranged over a topmost one of the interconnect dielectric layers. The thermal interconnect structure has a higher thermal conductivity than the interconnect dielectric layers.
    Type: Application
    Filed: April 18, 2023
    Publication date: August 10, 2023
    Inventors: Shao-Kuan Lee, Cherng-Shiaw Tsai, Ting-Ya Lo, Cheng-Chin Lee, Chi-Lin Teng, Kai-Fang Cheng, Hsin-Yen Huang, Hsiao-Kang Chang, Shau-Lin Shue
  • Patent number: 11689113
    Abstract: A control circuit is configured to control a flyback circuit comprising a primary-side switch, a secondary-side rectifier and a transformer. The control circuit comprises a feedback control circuit configured to generate a secondary-side control signal based on a current ripple signal of the transformer, and at least one of a direct-current component of an output voltage signal and a direct-current component of an output current signal of a secondary side of the flyback circuit, wherein the secondary-side control signal is configured to control a turn-off of the secondary-side rectifier, an isolated transmission circuit coupled to the feedback control circuit and configured to generate a first primary-side control signal based on the secondary-side control signal, and a primary control circuit coupled to the isolated transmission circuit and configured to control a turn-on of the primary-side switch in response to receiving the first primary-side control signal.
    Type: Grant
    Filed: March 18, 2021
    Date of Patent: June 27, 2023
    Assignee: Halo Microelectronics International
    Inventors: Hai Tao, Chih-Hsien Hsieh, Kai-Fang Wei, Zhibo Tao
  • Patent number: 11658092
    Abstract: In some embodiments, the present disclosure relates to an integrated chip that includes an electrical interconnect structure, a thermal interconnect structure, and a thermal passivation layer over a substrate. The electrical interconnect structure includes interconnect vias and interconnect wires embedded within interconnect dielectric layers. The thermal interconnect structure is arranged beside the electrical interconnect structure and includes thermal vias, thermal wires, and/or thermal layers. Further, the thermal interconnect structure is embedded within the interconnect dielectric layers. The thermal passivation layer is arranged over a topmost one of the interconnect dielectric layers. The thermal interconnect structure has a higher thermal conductivity than the interconnect dielectric layers.
    Type: Grant
    Filed: November 13, 2020
    Date of Patent: May 23, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Shao-Kuan Lee, Cherng-Shiaw Tsai, Ting-Ya Lo, Cheng-Chin Lee, Chi-Lin Teng, Kai-Fang Cheng, Hsin-Yen Huang, Hsiao-Kang Chang, Shau-Lin Shue
  • Publication number: 20230147692
    Abstract: A method and system device for performing multi-carrying of a linear motor for magnetic levitation transportation is provided. With the method for performing multi-carrying of a linear motor for magnetic levitation transportation, linear motor traction power information and other linear motor carried information are generated, and the other linear motor carried information is transmitted through a channel for carrying the linear motor traction power information that is constructed based on a linear motor structure.
    Type: Application
    Filed: April 16, 2020
    Publication date: May 11, 2023
    Applicant: CRRC ZHUZHOU ELECTRIC LOCOMOTIVE RESEARCH INSTITUTE CO., LTD.
    Inventors: Gaohua CHEN, Jianghua FENG, Rongjun DING, Yijing XU, Yu SHI, Liang HAN, Yanhui WEN, Yonghui NAN, Anfeng ZHAO, Haojiong LV, Kai FANG, Huadong LIU, Hui SHEN, Shu CHENG, Jungui SU, Zhenbang ZHOU, Cheng LI
  • Patent number: 11606041
    Abstract: A synchronous rectifier control apparatus includes a continuous conduction mode detection circuit configured to receive a voltage across a synchronous rectifier switch and determine whether the synchronous rectifier switch operates in a continuous conduction mode based on a rising slope of the voltage across the synchronous rectifier switch, a turn-off timer control circuit configured to measure a conduction time of the synchronous rectifier switch and turn off the synchronous rectifier switch after the conduction time of the synchronous rectifier switch in a current cycle is substantially equal to the conduction time measured in an immediately previous cycle, and a drive voltage control circuit configured to reduce a gate drive voltage of the synchronous rectifier switch after the conduction time of the synchronous rectifier switch in the current cycle is substantially equal to the conduction time measured in the immediately previous cycle multiplied by a predetermined percentage.
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: March 14, 2023
    Assignee: Halo Microelectronics International
    Inventors: Kai-Fang Wei, Zhibo Tao, Yueguo Hao
  • Publication number: 20230077136
    Abstract: A backlight control method for a surface light-emitting device is provided. The backlight control method includes generating a plurality of driving currents to drive the surface light-emitting device such that a plurality of backlight zones generate a plurality of brightness values, measuring the plurality of brightness values of the plurality of backlight zones, calculating a plurality of uniformities of the plurality of backlight zones according to the plurality of brightness values and setting a plurality of target uniformities, generating a plurality of adjustment values according to the plurality of uniformities, the plurality of target uniformities and a plurality of adjustment coefficients corresponding to the plurality of backlight zones, and generating a plurality of adjusted driving currents to drive the plurality of backlight zones according to the plurality of adjustment values and the plurality of driving currents.
    Type: Application
    Filed: August 29, 2022
    Publication date: March 9, 2023
    Applicant: Radiant Opto-Electronics Corporation
    Inventors: Li-Fei Wang, Yu-Lin Hsieh, Sheng-Kai Fang, Pei-Ling Kao
  • Publication number: 20230066228
    Abstract: A method for manufacturing a semiconductor device having a low-k carbon-containing dielectric layer includes: depositing a low-k carbon-containing dielectric material, which has a carbon content ranging from 16 atomic % to 23 atomic %, using a precursor mixture to form a carbon-containing dielectric layer having a k value ranging from 2.8 to 3.3 and a porosity ranging from 0.03% to 1.0%; forming the carbon-containing dielectric layer into a patterned carbon-containing dielectric layer having a recess therein by etching, the patterned carbon-containing dielectric layer having a porosity ranging from 1.0% to 2.0%; and filling the recess with an electrically conductive material to form an electrically conductive feature in the patterned carbon-containing dielectric layer.
    Type: Application
    Filed: August 30, 2021
    Publication date: March 2, 2023
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Kai-Fang CHENG, Ting-Ya LO, Hsiao-Kang CHANG
  • Publication number: 20230055272
    Abstract: An interconnection structure includes a first dielectric layer, a first conductive layer disposed in the first dielectric layer, a second dielectric layer disposed over the first dielectric layer, a second conductive layer disposed in the second dielectric layer in electrical contact with the first conductive layer, a third dielectric layer formed over the second dielectric layer, wherein the third dielectric layer comprises silicon carbon-nitride (SiCN) based material, and a resistor device disposed in the third dielectric layer.
    Type: Application
    Filed: August 19, 2021
    Publication date: February 23, 2023
    Inventors: Kai-Fang CHENG, Cherng-Shiaw Jacob TSAI, Cheng-Chin LEE, Ming-Hsien LIN, Hsiao-Kang CHANG
  • Publication number: 20230004021
    Abstract: A snap fit eyeglasses frame includes a left eyeglass frame portion and a right eyeglass frame portion which can be separated. There is a male connector portion of the left side eyeglasses frame portion, and there is a female connector portion of the right side eyeglasses frame portion 20, whereby the male and female connector portions are assembled together when securing the left and right frame portions together. There is an aperture in the female connector portion to receive a locking member, which also will serve as the release member. The male connector portion has the release member which is deformed or bent out of the way during assembly, and which after assembly is urged toward a position where it extends through the aperture in the female connector portion The release member provided on the male connector portion.
    Type: Application
    Filed: July 1, 2021
    Publication date: January 5, 2023
    Applicant: Wenzhou Eyekepper Technology Co., Ltd
    Inventor: Kai Fang
  • Patent number: D978955
    Type: Grant
    Filed: December 16, 2020
    Date of Patent: February 21, 2023
    Inventor: Kai Fang
  • Patent number: D978956
    Type: Grant
    Filed: February 11, 2021
    Date of Patent: February 21, 2023
    Inventor: Kai Fang
  • Patent number: D978959
    Type: Grant
    Filed: February 11, 2021
    Date of Patent: February 21, 2023
    Inventor: Kai Fang
  • Patent number: D979634
    Type: Grant
    Filed: February 11, 2021
    Date of Patent: February 28, 2023
    Inventor: Kai Fang
  • Patent number: D1002710
    Type: Grant
    Filed: December 16, 2020
    Date of Patent: October 24, 2023
    Inventor: Kai Fang
  • Patent number: D1003340
    Type: Grant
    Filed: December 16, 2020
    Date of Patent: October 31, 2023
    Inventor: Kai Fang
  • Patent number: D1003341
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: October 31, 2023
    Inventor: Kai Fang
  • Patent number: D1003342
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: October 31, 2023
    Inventor: Kai Fang
  • Patent number: D1003983
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: November 7, 2023
    Inventor: Kai Fang