Patents by Inventor Cheng-Fa Chen

Cheng-Fa 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: 20240071535
    Abstract: Provided is an anti-fuse memory including a anti-fuse memory cell including an isolation structure, a select gate, first and second gate insulating layers, an anti-fuse gate, and first, second and third doped regions. The isolation structure is disposed in a substrate. The select gate is disposed on the substrate. The first gate insulating layer is disposed between the select gate and the substrate. The anti-fuse gate is disposed on the substrate and partially overlapped with the isolation structure. The second gate insulating layer is disposed between the anti-fuse gate and the substrate. The first doped region and the second doped region are disposed in the substrate at opposite sides of the select gate, respectively, wherein the first doped region is located between the select gate and the anti-fuse gate. The third doped region is disposed in the substrate and located between the first doped region and the isolation structure.
    Type: Application
    Filed: October 16, 2022
    Publication date: February 29, 2024
    Applicant: United Microelectronics Corp.
    Inventors: Chung-Hao Chen, Chi-Hsiu Hsu, Chi-Fa Lien, Ying-Ting Lin, Cheng-Hsiao Lai, Ya-Nan Mou
  • Patent number: 7598533
    Abstract: A high power LED has at least a porous material layer, a thermal conductive layer and a chip. The thermal conductive layer is disposed on the surface of the porous material layer and the chip is disposed on the thermal conductive layer. Heat generated by the chip is conducted from the thermal conductive layer to the porous material layer, and convected outside via the porous material layer. Thereby, surface area in contact with the air is increased and high thermal conductivity and high heat convection are also achieved.
    Type: Grant
    Filed: May 2, 2006
    Date of Patent: October 6, 2009
    Assignee: Industrial Technology Research Institute
    Inventors: Chun Chieh Yang, Hong-Xi Cao, Chia-Tai Kuo, Chih-Li Chen, Cheng-Fa Chen, Ji-Bin Horng
  • Patent number: 7460568
    Abstract: An apparatus as a tuning filter is provided for tuning the wavelength of a laser or a filter between extensive bandwidths, including a reflecting element, an optical system and a movable mount set up in the same optical path in order. The optical system focuses light on the reflecting element that induces dispersion effect. The reflecting element moves along an optical path as a spatial filter. The reflecting element is set up on the movable mount that moves along the optical path to push/pull the reflecting element and then to adjust the moving range of the reflecting element.
    Type: Grant
    Filed: September 29, 2005
    Date of Patent: December 2, 2008
    Assignee: Industrial Technology Research Institute
    Inventors: Jen-Chuen Liao, Hong-Xi Cao, Cheng-Fa Chen, Ricky Hsu
  • Publication number: 20080012820
    Abstract: A method and a system for achieving a desired operation illumination condition for a plurality of light emitters are provided. The light emitters are divided into mutually distinctive groups. The groups of light emitters are sequentially activated while maintaining the rest of groups of the light emitters in an inactivated state. In this manner, the illumination condition of each group of light emitters are detected, so as to adjust a driving condition for the light emitters, thereby producing a light source with uniformly distributed white light spectra, and a homogeneous intensity distribution over the entire region of the light source.
    Type: Application
    Filed: October 16, 2006
    Publication date: January 17, 2008
    Inventors: Chun-Chieh Yang, Hong-Xi Cao, Kun-Chieh Chang, Zhi-Xian Huang, Cheng-Fa Chen, Ji-Bin Horng
  • Publication number: 20060243997
    Abstract: A high power LED has at least a porous material layer, a thermal conductive layer and a chip. The thermal conductive layer is disposed on the surface of the porous material layer and the chip is disposed on the thermal conductive layer. Heat generated by the chip is conducted from the thermal conductive layer to the porous material layer, and convected outside via the porous material layer. Thereby, surface area in contact with the air is increased and high thermal conductivity and high heat convection are also achieved.
    Type: Application
    Filed: May 2, 2006
    Publication date: November 2, 2006
    Inventors: Chun Yang, Hong-Xi Cao, Chia-Tai Kuo, Chih-Li Chen, Cheng-Fa Chen, Ji-Bin Horng
  • Publication number: 20060140229
    Abstract: An apparatus as a tuning filter is provided for tuning the wavelength of a laser or a filter between extensive bandwidths, including a reflecting element, an optical system and a movable mount set up in the same optical path in order. The optical system focuses light on the reflecting element that induces dispersion effect. The reflecting element moves along an optical path as a spatial filter. The reflecting element is set up on the movable mount that moves along the optical path to push/pull the reflecting element and then to adjust the moving range of the reflecting element.
    Type: Application
    Filed: September 29, 2005
    Publication date: June 29, 2006
    Inventors: Jen-Chuen Liao, Hong-Xi Cao, Cheng-Fa Chen, Ricky Hsu
  • Patent number: 7006287
    Abstract: An optical polarization beam combiner includes a polarization beam displacer or a birefringent crystal that is provided with a deflecting edge having two slant deflecting faces. The deflecting edge economically replaces for the wedged crystals of the prior art to modify the transmission directions of the incidental and/or emerging light beams.
    Type: Grant
    Filed: June 7, 2004
    Date of Patent: February 28, 2006
    Assignee: Industrial Technology Research Institute
    Inventors: Cheng-Fa Chen, Ming-Hung Chen, Wei-Shyang Wang, Li-Chuan Mau
  • Publication number: 20050174640
    Abstract: An optical polarization beam combiner includes a polarization beam displacer or a birefringent crystal that is provided with a deflecting edge having two slant deflecting faces. The deflecting edge economically replaces for the wedged crystals of the prior art to modify the transmission directions of the incidental and/or emerging light beams.
    Type: Application
    Filed: June 7, 2004
    Publication date: August 11, 2005
    Inventors: Cheng-Fa Chen, Ming-Hung Chen, Wei-Shyang Wang, Li Mau
  • Patent number: D388687
    Type: Grant
    Filed: November 19, 1996
    Date of Patent: January 6, 1998
    Inventor: Cheng Fa Chen