Patents by Inventor JUI-FU CHANG

JUI-FU CHANG 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: 20240144862
    Abstract: An electronic device with a first region and a second region located around the first region is disclosed. The electronic device includes a first gate driver and a second gate driver disposed in the second region, and a first transistor and a second transistor disposed in the first region. The first gate driver is used for outputting a first signal. The second gate driver is used for outputting a second signal. The first transistor is used for receiving the first signal from the first gate driver. The second transistor is used for receiving the second signal from the second gate driver. In a top view of the electronic device, the first region has a first side and a second side opposite to the first side, and the first gate driver and the second gate driver are located more adjacent to the first side and away from the second side.
    Type: Application
    Filed: January 3, 2024
    Publication date: May 2, 2024
    Applicant: InnoLux Corporation
    Inventors: Chun-Hsien LIN, Jui-Feng KO, Geng-Fu CHANG
  • Patent number: 11973302
    Abstract: The present disclosure provides a method for aligning a master oscillator power amplifier (MOPA) system. The method includes ramping up a pumping power input into a laser amplifier chain of the MOPA system until the pumping power input reaches an operational pumping power input level; adjusting a seed laser power output of a seed laser of the MOPA system until the seed laser power output is at a first level below an operational seed laser power output level; and performing a first optical alignment process to the MOPA system while the pumping power input is at the operational pumping power input level, the seed laser power output is at the first level, and the MOPA system reaches a steady operational thermal state.
    Type: Grant
    Filed: February 20, 2023
    Date of Patent: April 30, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Chun-Lin Louis Chang, Henry Tong Yee Shian, Alan Tu, Han-Lung Chang, Tzung-Chi Fu, Bo-Tsun Liu, Li-Jui Chen, Po-Chung Cheng
  • Publication number: 20230006109
    Abstract: A light emitting device and a manufacturing method thereof are provided. The light emitting device includes a light emitting unit, a fluorescent layer, a reflective layer, and a light-absorbing layer. The light emitting unit has a top surface, a bottom surface opposite to the top surface, and a side surface located between the top surface and the bottom surface. The light emitting unit includes an electrode disposed at the bottom surface. The fluorescent layer is disposed on the top surface of the light emitting unit. The reflective layer covers the side surface of the light emitting unit. The light-absorbing layer covers the reflective layer, so that the reflective layer is located between the side surface of the light emitting unit and the light-absorbing layer.
    Type: Application
    Filed: June 24, 2022
    Publication date: January 5, 2023
    Applicant: Genesis Photonics Inc.
    Inventors: Yun-Han Wang, Chin-Hua Hung, Chuan-Yu Liu, Tsai-Chieh Shih, Jui-Fu Chang, Yu-Jung Wu, Yu-Feng Lin
  • Publication number: 20210159369
    Abstract: A light emitting device includes a wavelength conversion layer, at least one light emitting unit and a reflective protecting element. The wavelength conversion layer has an upper surface and a lower surface opposite to each other. The light emitting unit has two electrode pads located on the same side of the light emitting unit. The light emitting unit is disposed on the upper surface of the wavelength conversion layer and exposes the two electrode pads. The reflective protecting element encapsulates at least a portion of the light emitting unit and a portion of the wavelength conversion layer, and exposes the two electrode pads of the light emitting unit.
    Type: Application
    Filed: February 1, 2021
    Publication date: May 27, 2021
    Applicant: Genesis Photonics Inc.
    Inventors: Cheng-Wei Hung, Chin-Hua Hung, Long-Chi Du, Jui-Fu Chang, Po-Tsun Kuo, Hao-Chung Lee, Yu-Feng Lin
  • Patent number: 10957674
    Abstract: A manufacturing method is provided. The manufacturing method includes the following steps. Firstly, a substrate and a light-emitting component are provided, wherein the light-emitting component is disposed on the substrate. Then, a wavelength conversion layer is provided, wherein the wavelength conversion layer includes a high-density phosphor layer and a low-density phosphor layer. Then, the high-density phosphor layer is adhered to the light-emitting component by an adhesive. Then, a reflective layer is formed above the substrate, wherein the reflective layer covers a lateral surface of the light-emitting component, a lateral surface of the adhesive and a lateral surface of the wavelength conversion layer.
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: March 23, 2021
    Assignee: GENESIS PHOTONICS INC
    Inventors: Cheng-Wei Hung, Jui-Fu Chang, Chin-Hua Hung, Yu-Feng Lin
  • Patent number: 10910523
    Abstract: A light emitting device includes a wavelength conversion layer, at least one light emitting unit and a reflective protecting element. The wavelength conversion layer has an upper surface and a lower surface opposite to each other. The light emitting unit has two electrode pads located on the same side of the light emitting unit. The light emitting unit is disposed on the upper surface of the wavelength conversion layer and exposes the two electrode pads. The reflective protecting element encapsulates at least a portion of the light emitting unit and a portion of the wavelength conversion layer, and exposes the two electrode pads of the light emitting unit.
    Type: Grant
    Filed: June 11, 2018
    Date of Patent: February 2, 2021
    Assignee: Genesis Photonics Inc.
    Inventors: Cheng-Wei Hung, Chin-Hua Hung, Long-Chi Du, Jui-Fu Chang, Po-Tsun Kuo, Hao-Chung Lee, Yu-Feng Lin
  • Patent number: 10804444
    Abstract: A light-emitting device including at least one light-emitting unit, a wavelength conversion adhesive layer, and a reflective protecting element is provided. The light-emitting unit has an upper surface and a lower surface opposite to each other. The light-emitting unit includes two electrode pads, and the two electrode pads are located on the lower surface. The wavelength conversion adhesive layer is disposed on the upper surface. The wavelength conversion adhesive layer includes a low-concentration fluorescent layer and a high-concentration fluorescent layer. The high-concentration fluorescent layer is located between the low-concentration fluorescent layer and the light-emitting unit. The width of the high-concentration fluorescent layer is WH. The width of the low-concentration fluorescent layer is WL. The width of the light-emitting unit is WE. The light-emitting device further satisfies the following inequalities: WE<WL, WH<WL and 0.8<WH/WE?1.2.
    Type: Grant
    Filed: October 7, 2019
    Date of Patent: October 13, 2020
    Assignee: Genesis Photonics Inc.
    Inventors: Cheng-Wei Hung, Long-Chi Tu, Jui-Fu Chang, Chun-Ming Tseng, Yun-Chu Chen
  • Publication number: 20200105725
    Abstract: A manufacturing method is provided. The manufacturing method includes the following steps. Firstly, a substrate and a light-emitting component are provided, wherein the light-emitting component is disposed on the substrate. Then, a wavelength conversion layer is provided, wherein the wavelength conversion layer includes a high-density phosphor layer and a low-density phosphor layer. Then, the high-density phosphor layer is adhered to the light-emitting component by an adhesive. Then, a reflective layer is formed above the substrate, wherein the reflective layer covers a lateral surface of the light-emitting component, a lateral surface of the adhesive and a lateral surface of the wavelength conversion layer.
    Type: Application
    Filed: December 2, 2019
    Publication date: April 2, 2020
    Inventors: Cheng-Wei Hung, Jui-Fu Chang, Chin-Hua Hung, Yu-Feng Lin
  • Publication number: 20200083419
    Abstract: A light emitting device including a light emitting unit, two electrodes, a reflective member, and a light transmissive member is provided. The two electrodes are disposed on one side of the light emitting unit, and electrically connected to the light emitting unit. The reflective member is disposed on the other side of the light emitting unit, and has at least one reflective surface. The light transmissive member is disposed between the reflective member and the light emitting unit, and covers a part of the light emitting unit. A lateral surface of the light transmissive member is served as a light emitting surface of the light emitting device. A manufacturing method of a light emitting device is also provided.
    Type: Application
    Filed: August 19, 2019
    Publication date: March 12, 2020
    Applicant: Genesis Photonics Inc.
    Inventors: Yun-Han Wang, Chin-Hua Hung, Jui-Fu Chang, Chuan-Yu Liu, Yu-Feng Lin, Cheng-Wei Hung, Jian-Xiang Huang, Po-Hsiang Wang
  • Publication number: 20200035875
    Abstract: A light-emitting device including at least one light-emitting unit, a wavelength conversion adhesive layer, and a reflective protecting element is provided. The light-emitting unit has an upper surface and a lower surface opposite to each other. The light-emitting unit includes two electrode pads, and the two electrode pads are located on the lower surface. The wavelength conversion adhesive layer is disposed on the upper surface. The wavelength conversion adhesive layer includes a low-concentration fluorescent layer and a high-concentration fluorescent layer. The high-concentration fluorescent layer is located between the low-concentration fluorescent layer and the light-emitting unit. The width of the high-concentration fluorescent layer is WH. The width of the low-concentration fluorescent layer is WL. The width of the light-emitting unit is WE. The light-emitting device further satisfies the following inequalities: WE<WL, WH<WL and 0.8<WH/WE?1.2.
    Type: Application
    Filed: October 7, 2019
    Publication date: January 30, 2020
    Applicant: Genesis Photonics Inc.
    Inventors: Cheng-Wei Hung, Long-Chi Tu, Jui-Fu Chang, Chun-Ming Tseng, Yun-Chu Chen
  • Patent number: 10497681
    Abstract: A light-emitting device includes a substrate, a light-emitting component, a wavelength conversion component, an adhesive and a reflective layer. The light-emitting component is disposed on the substrate. The wavelength conversion component includes a high-density phosphor layer and a lower-density phosphor layer. The adhesive is formed between the light-emitting device and the high-density phosphor layer. The reflective layer is formed above the substrate and covers a lateral surface of the light-emitting component, a lateral surface of the adhesive and a lateral surface of the wavelength conversion component.
    Type: Grant
    Filed: March 19, 2018
    Date of Patent: December 3, 2019
    Assignee: GENESIS PHOTONICS INC.
    Inventors: Cheng-Wei Hung, Jui-Fu Chang, Chin-Hua Hung, Yu-Feng Lin
  • Patent number: 10439111
    Abstract: A light-emitting device including at least one light-emitting unit, a wavelength conversion adhesive layer, and a reflective protecting element is provided. The light-emitting unit has an upper surface and a lower surface opposite to each other. The light-emitting unit includes two electrode pads, and the two electrode pads are located on the lower surface. The wavelength conversion adhesive layer is disposed on the upper surface. The wavelength conversion adhesive layer includes a low-concentration fluorescent layer and a high-concentration fluorescent layer. The high-concentration fluorescent layer is located between the low-concentration fluorescent layer and the light-emitting unit. The width of the high-concentration fluorescent layer is WH. The width of the low-concentration fluorescent layer is WL. The width of the light-emitting unit is WE. The light-emitting device further satisfies the following inequalities: WE<WL, WH<WL and 0.8<WH/WE?1.2.
    Type: Grant
    Filed: October 19, 2017
    Date of Patent: October 8, 2019
    Assignee: Genesis Photonics Inc.
    Inventors: Cheng-Wei Hung, Long-Chi Tu, Jui-Fu Chang, Chun-Ming Tseng, Yun-Chu Chen
  • Publication number: 20180294388
    Abstract: A light emitting device includes a wavelength conversion layer, at least one light emitting unit and a reflective protecting element. The wavelength conversion layer has an upper surface and a lower surface opposite to each other. The light emitting unit has two electrode pads located on the same side of the light emitting unit. The light emitting unit is disposed on the upper surface of the wavelength conversion layer and exposes the two electrode pads. The reflective protecting element encapsulates at least a portion of the light emitting unit and a portion of the wavelength conversion layer, and exposes the two electrode pads of the light emitting unit.
    Type: Application
    Filed: June 11, 2018
    Publication date: October 11, 2018
    Applicant: Genesis Photonics Inc.
    Inventors: Cheng-Wei Hung, Chin-Hua Hung, Long-Chi Du, Jui-Fu Chang, Po-Tsun Kuo, Hao-Chung Lee, Yu-Feng Lin
  • Publication number: 20180211942
    Abstract: A light-emitting device includes a substrate, a light-emitting component, a wavelength conversion component, an adhesive and a reflective layer. The light-emitting component is disposed on the substrate. The wavelength conversion component includes a high-density phosphor layer and a lower-density phosphor layer. The adhesive is formed between the light-emitting device and the high-density phosphor layer. The reflective layer is formed above the substrate and covers a lateral surface of the light-emitting component, a lateral surface of the adhesive and a lateral surface of the wavelength conversion component.
    Type: Application
    Filed: March 19, 2018
    Publication date: July 26, 2018
    Inventors: Cheng-Wei Hung, Jui-Fu Chang, Chin-Hua Hung, Yu-Feng Lin
  • Patent number: 9997676
    Abstract: A light emitting device includes a wavelength conversion layer, at least one light emitting unit and a reflective protecting element. The wavelength conversion layer has an upper surface and a lower surface opposite to each other. The light emitting unit has two electrode pads located on the same side of the light emitting unit. The light emitting unit is disposed on the upper surface of the wavelength conversion layer and exposes the two electrode pads. The reflective protecting element encapsulates at least a portion of the light emitting unit and a portion of the wavelength conversion layer, and exposes the two electrode pads of the light emitting unit.
    Type: Grant
    Filed: September 19, 2016
    Date of Patent: June 12, 2018
    Assignee: Genesis Photonics Inc.
    Inventors: Cheng-Wei Hung, Chin-Hua Hung, Long-Chi Du, Jui-Fu Chang, Po-Tsun Kuo, Hao-Chung Lee, Yu-Feng Lin
  • Publication number: 20180123001
    Abstract: A light-emitting device including at least one light-emitting unit, a wavelength conversion adhesive layer, and a reflective protecting element is provided. The light-emitting unit has an upper surface and a lower surface opposite to each other. The light-emitting unit includes two electrode pads, and the two electrode pads are located on the lower surface. The wavelength conversion adhesive layer is disposed on the upper surface. The wavelength conversion adhesive layer includes a low-concentration fluorescent layer and a high-concentration fluorescent layer. The high-concentration fluorescent layer is located between the low-concentration fluorescent layer and the light-emitting unit. The width of the high-concentration fluorescent layer is WH. The width of the low-concentration fluorescent layer is WL. The width of the light-emitting unit is WE. The light-emitting device further satisfies the following inequalities: WE<WL, WH<WL and 0.8<WH/WE?1.2.
    Type: Application
    Filed: October 19, 2017
    Publication date: May 3, 2018
    Applicant: Genesis Photonics Inc.
    Inventors: Cheng-Wei Hung, Long-Chi Tu, Jui-Fu Chang, Chun-Ming Tseng, Yun-Chu Chen
  • Patent number: 9922963
    Abstract: A light-emitting device includes a substrate, a light-emitting component, a wavelength conversion component, an adhesive and a reflective layer. The light-emitting component is disposed on the substrate. The wavelength conversion component includes a high-density phosphor layer and a lower-density phosphor layer. The adhesive is formed between the light-emitting device and the high-density phosphor layer. The reflective layer is formed above the substrate and covers a lateral surface of the light-emitting component, a lateral surface of the adhesive and a lateral surface of the wavelength conversion component.
    Type: Grant
    Filed: September 19, 2016
    Date of Patent: March 20, 2018
    Assignee: GENESIS PHOTONICS INC.
    Inventors: Cheng-Wei Hung, Jui-Fu Chang, Chin-Hua Hung, Yu-Feng Lin
  • Publication number: 20170084800
    Abstract: A light emitting device package structure includes at least one light emitting device, a wavelength conversion adhesive layer, and a protection element. The light emitting device has an upper surface, a lower surface opposite to the upper surface, and a side surface connecting the upper surface and the lower surface. The wavelength conversion adhesive layer is disposed on the upper surface of the light emitting device and has a first edge and a second edge opposite to each other. The protection element encapsulates the side surface of the light emitting device and the second edge of the wavelength conversion adhesive layer and exposes the lower surface of the light emitting device. A third edge of the protection element is aligned with the first edge of the wavelength conversion adhesive layer.
    Type: Application
    Filed: September 19, 2016
    Publication date: March 23, 2017
    Applicant: Genesis Photonics Inc.
    Inventors: Cheng-Wei Hung, Po-Tsun Kuo, Long-Chi Du, Jui-Fu Chang, Yu-Feng Lin
  • Publication number: 20170084587
    Abstract: A light-emitting device includes a substrate, a light-emitting component, a wavelength conversion component, an adhesive and a reflective layer. The light-emitting component is disposed on the substrate. The wavelength conversion component includes a high-density phosphor layer and a lower-density phosphor layer. The adhesive is formed between the light-emitting device and the high-density phosphor layer. The reflective layer is formed above the substrate and covers a lateral surface of the light-emitting component, a lateral surface of the adhesive and a lateral surface of the wavelength conversion component.
    Type: Application
    Filed: September 19, 2016
    Publication date: March 23, 2017
    Inventors: Cheng-Wei Hung, Jui-Fu Chang, Chin-Hua Hung, Yu-Feng Lin
  • Publication number: 20170005238
    Abstract: A light emitting device includes a wavelength conversion layer, at least one light emitting unit and a reflective protecting element. The wavelength conversion layer has an upper surface and a lower surface opposite to each other. The light emitting unit has two electrode pads located on the same side of the light emitting unit. The light emitting unit is disposed on the upper surface of the wavelength conversion layer and exposes the two electrode pads. The reflective protecting element encapsulates at least a portion of the light emitting unit and a portion of the wavelength conversion layer, and exposes the two electrode pads of the light emitting unit.
    Type: Application
    Filed: September 19, 2016
    Publication date: January 5, 2017
    Applicant: Genesis Photonics Inc.
    Inventors: Cheng-Wei Hung, Chin-Hua Hung, Long-Chi Du, Jui-Fu Chang, Po-Tsun Kuo, Hao-Chung Lee, Yu-Feng Lin