Patents by Inventor Kun Feng

Kun Feng 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: 20180293957
    Abstract: A signal relaying device applied to DisplayPort architecture is disclosed. The signal relaying device is coupled between a source device and a sink device and includes a receiving end, an arbiter and a transmitting end. The receiving end receives a request signal from the source device via the first auxiliary channel. The arbiter is coupled to the receiving end and receives the request signal. The transmitting end receives the request signal from the arbiter and transmits the request signal to the sink device via the second auxiliary channel. The sink device transmits a first configuration data to the transmitting end via the second auxiliary channel when receiving the request signal. The arbiter replaces the first configuration data with the second configuration data and transmits the second configuration data to the receiving end when receiving the first configuration data from the transmitting end.
    Type: Application
    Filed: April 2, 2018
    Publication date: October 11, 2018
    Applicant: ATEN International Co., Ltd.
    Inventor: Kun-Feng XIE
  • Patent number: 10067286
    Abstract: A lamp device includes a heat dissipating seat, a light emitting unit, a mounting seat and a light guide plate. The heat dissipating seat defines an accommodation space with an opening. The light emitting unit is fixed to the heat dissipating seat within the accommodation space. The mounting seat is disposed in the accommodation space through the opening, and covers the light emitting unit. A receiving space is defined by at least a portion of the mounting seat and extends in a direction away from the light emitting unit. The light guide plate has at least a portion inserted into and fixed within the receiving space.
    Type: Grant
    Filed: October 6, 2015
    Date of Patent: September 4, 2018
    Assignee: RADIANT OPTO-ELECTRONICS CORPORATION
    Inventors: Chih-Hung Ju, Guo-Hao Huang, Kun-Feng Chen
  • Patent number: 10063089
    Abstract: The present invention provides a novel wind power charging circuit with three-phase, single-stage and bridgeless framework. This novel wind power charging circuit is developed based on an isolated single-ended primary-inductance converter (SEPIC) having buck-boost converting function, and can be applied in a wind turbine system for increasing the operation scope of the input voltage provided by a wind turbine of the wind turbine system, so as to facilitate the wind turbine system include wide-range operation scope under different wind speeds, such that the electric energy production and the electromechanical conversion efficiency of the wind turbine system are able to be effectively enhanced. In addition, because this novel wind power charging circuit does not include any bridgeless PFC circuits and bridge-type diode rectifiers, the low conducting loss as well as the whole circuit volume and assembly cost of the wind turbine system can be simultaneously reduced.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: August 28, 2018
    Assignee: National Chung-Shan Institute of Science & Technology
    Inventors: Hsuang-Chang Chiang, Kun-Feng Chen, Chin-Yu Ho, Hsu-Pin Yang
  • Patent number: 10038393
    Abstract: The present invention discloses a single-phase non-isolated inverter, comprising: a first DC-side capacitor, a second DC-side capacitor, a first switch unit, a second switch unit, a third switch unit, a fourth switch unit, a fifth switch unit, a sixth switch unit, a seventh switch unit, and an eighth switch unit. When the single-phase non-isolated inverter is operated at a zero-voltage switching state, the seventh switch unit and the eighth switch unit are switched to short circuit for forming a short-circuit path between the bus lines. Briefly speaking, this novel single-phase non-isolated inverter has reactive power capability. In addition, according to an adjusting signal of a PI controller, micro controller of the single-phase non-isolated inverter is able to properly adjusts the duty cycle of a switch unit driving signal of the fifth switch unit and the sixth switch unit, so as to cancel the capacitor voltage unbalance between two DC-side capacitors.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: July 31, 2018
    Assignee: National Chung-Shan Institute of Science & Technology
    Inventors: Kun-Feng Chen, Woei-Luen Chen, Yi-Lun Chen, Jung-Yang Wang
  • Patent number: 10008140
    Abstract: A bright dot detection method adapted to be used in a display panel including a plurality of gate lines, a plurality of source lines and a bright dot detection module. The plurality of gate lines and the plurality of sources line are interlaced thereby forming a plurality of pixels. The bright dot detection method includes: driving the plurality of pixels through enabling the plurality of gate lines simultaneously, thereby forming a first bright line in a first direction; and driving the plurality of pixels through enabling the plurality of gate lines sequentially and providing a control signal to the bright dot detection module, thereby forming a second bright line in a second direction, wherein a bright dot is positioned where the first and second bright lines meet with each other. A display panel is also disclosed.
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: June 26, 2018
    Assignee: AU OPTRONICS CORP.
    Inventor: Kun-Feng Tsou
  • Patent number: 9950020
    Abstract: Disclosed are the action and use of water extracts and polysaccharides from Fusarium oxysporum in immune enhancement, which belong to the field of biological medicine. The water extracts and polysaccharides from Fusarium oxysporum have a significant immune enhancement effect, which can promote the proliferation of macrophages, increase the phagocytic ability of macrophages, activate macrophages to release immunological active factors NO, IL-1? and TNF-? and can be used in lower immune function diseases and tumor adjuvant treatment.
    Type: Grant
    Filed: February 1, 2013
    Date of Patent: April 24, 2018
    Assignee: UNIVERSITY OF MACAU
    Inventors: Shaoping Li, Kun Feng, Lanzhen Meng, Jing Zhao
  • Publication number: 20180106953
    Abstract: A light-emitting device is provided, and includes a light guide plate and a light source. The light guide plate includes a main body, in which the main body has a light-incident surface. The light source is disposed adjacent to the light-incident surface. The light-emitting device is selectively disposed in different arrangements. When the light-emitting device is disposed in a first arrangement, the light-emitting device is able to provide a first light-emitting function towards a first direction and to provide a second light-emitting function towards a second direction. When the light-emitting device is disposed in a second arrangement, the second light-emitting function towards the second direction is changed, and the first light-emitting function towards the first direction is also changed.
    Type: Application
    Filed: September 18, 2017
    Publication date: April 19, 2018
    Inventors: Guo-Hao HUANG, Kun-Feng CHEN, Ko-Yu HSIAO
  • Publication number: 20180069306
    Abstract: A terminal is disclosed, wherein a metal back cover of the terminal includes a slot. The slot divides the metal back cover into two parts. One of the two parts is used as an antenna radiator. The antenna radiator includes a signal feed point, a first ground point, and at least one second ground point, so that an antenna of the terminal has four resonance points. The signal feed point is connected to a matching network, the first ground point is grounded by a switch device, and the second ground point is grounded. A distance between the signal feed point and the first ground point is less than a distance between the signal feed point and the second ground point, and none of the signal feed point, the first ground point, and the second ground point is located in an end of the slot.
    Type: Application
    Filed: March 30, 2015
    Publication date: March 8, 2018
    Inventors: Liang XUE, Dong YU, Hanyang WANG, Jiaqing YOU, Kun FENG, Rui ZHANG, Meng HOU
  • Patent number: 9901999
    Abstract: A rip fence adjustment structure includes a guide rail, a first slide slidably coupled to the guide rail and fixedly connected with a rip fence, a micro-adjustment device mounted in the first slide, a second slide slidably coupled to the guide rail and connected to the first slide by the micro-adjustment device for movement with the first slide. Thus, after moved the first slide to achieve coarse adjustment of the position of the rip fence, a second locking member is fastened up to lock the second slide, and then the micro-adjustment device is operated to drive the first slide in moving the rip fence, and then a first locking member is fastened up to lock the first slide, achieving fine adjustment of the position of the rip fence.
    Type: Grant
    Filed: January 31, 2017
    Date of Patent: February 27, 2018
    Assignee: Oav Equipment & Tools, Inc.
    Inventors: Chiu-Hsiang Lin, Kun-Feng Lin
  • Patent number: 9899728
    Abstract: An embodiment of the present invention discloses a mobile terminal, which relates to the field of communications technologies and is invented to enable the mobile terminal to have relatively good metal texture and appearance. The mobile terminal includes a metal rear cover used as a grounding component and at least one antenna, where the antenna includes a grounding pin, and the grounding pin is electrically connected to the metal rear cover. The present invention is mainly applicable to mobile terminal products.
    Type: Grant
    Filed: November 20, 2015
    Date of Patent: February 20, 2018
    Assignee: HUAWEI DEVICE (DONGGUAN) CO., LTD.
    Inventors: Hongyu Wang, Yufei Sun, Huimin Zhang, Dongjian Zhang, Kun Feng
  • Publication number: 20180039014
    Abstract: A lamp is provided. The lamp includes a frame body, a light guide plate and plural light sources. The frame body has an accommodating space. The frame body includes at least one integrating member and plural side covers, and the integrating member includes a conductive assembly. The light guide plate is disposed in the accommodating space. The light sources are respectively disposed in the side covers and disposed adjacent to side edges of the light guide plate. The conductive assembly is disposed on one side of the integrating member near the light guide plate, and the conductive assembly is connected to the light sources to form an electrical loop.
    Type: Application
    Filed: December 30, 2015
    Publication date: February 8, 2018
    Inventors: Chih-Hung Ju, Guo-Hao Huang, Kun-Feng Chen
  • Publication number: 20180011587
    Abstract: A touch panel and sensing method thereof include a first sensing pad group, a second sensing pad group and a first selection module. The first selection module includes a first selection terminal, a first input terminal, a first output terminal and a second output terminal. At a first time period, a first control signal is provided to the first selection terminal to conduct the first sensing pad group and a first driving signal terminal, and first sensing data of the first sensing pad group is determined. At a second time period, the first control signal is provided to the first selection terminal to conduct the second sensing pad group, and a first driving signal terminal and second sensing data is determined.
    Type: Application
    Filed: December 22, 2016
    Publication date: January 11, 2018
    Inventor: Kun-Feng TSOU
  • Patent number: 9847727
    Abstract: A half-bridge resonant bidirectional DC-DC converter circuit comprising a half-bridge buck-boost converter and a resonant DC-DC converter. The half-bridge buck-boost converter is coupled to an external DC power source to achieve a wide input voltage range. The resonant DC-DC converter is coupled to the half-bridge buck-boost converter to act as a later stage circuit of the half-bridge buck-boost converter. The resonant DC-DC converter is used to control the direction of the bidirectional power flow and respond to the half-bridge buck-boost converter under a fixed frequency mode to convert the input of the half-bridge buck-boost converter to an induced current.
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: December 19, 2017
    Assignee: NATIONAL CHUNG SHAN INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Kun-Feng Chen, Hsuang-Chang Chiang, Rong-Yang Wang, Chin-Yu Ho
  • Patent number: 9845818
    Abstract: A coupling device includes a plurality of frames, each of which includes a base wall, and two spaced-apart side walls that cooperate with the base wall to define an accommodation space. The frames are arranged such that the accommodation spaces of the frames communicate with each other. At least one coupling unit is disposed in the accommodation spaces of two adjacent ones of the frames and applies a force to the side walls of the two adjacent ones of the frames so as to couple together the two adjacent ones of the frames.
    Type: Grant
    Filed: December 14, 2015
    Date of Patent: December 19, 2017
    Assignee: RADIANT OPTO-ELECTRONICS CORPORATION
    Inventors: Shang-Chia Liu, Guo-Hao Huang, Kun-Feng Chen
  • Publication number: 20170216942
    Abstract: A rip fence adjustment structure includes a guide rail, a first slide slidably coupled to the guide rail and fixedly connected with a rip fence, a micro-adjustment device mounted in the first slide, a second slide slidably coupled to the guide rail and connected to the first slide by the micro-adjustment device for movement with the first slide. Thus, after moved the first slide to achieve coarse adjustment of the position of the rip fence, a second locking member is fastened up to lock the second slide, and then the micro-adjustment device is operated to drive the first slide in moving the rip fence, and then a first locking member is fastened up to lock the first slide, achieving fine adjustment of the position of the rip fence.
    Type: Application
    Filed: January 31, 2017
    Publication date: August 3, 2017
    Inventors: Chiu-Hsiang LIN, Kun-Feng LIN
  • Patent number: 9719659
    Abstract: A lamp includes a base, a light emitting module mounted to the base, a lens member and a decorating unit. The lens member has a light input surface, a light output surface disposed in front of and spaced apart from the light input surface along an axis, and a through hole extending through the light input surface and the light output surface. Light emitted from the light emitting module enters the lens member through the light input surface and exits the lens member through the light output surface. The decorating unit is detachable and is optically disposed for decorating the lamp or for changing at least one of a wavelength, an output angle, a light field and so forth of the light passing through the lens member.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: August 1, 2017
    Assignee: RADIANT OPTO-ELECTRONICS CORPORATION
    Inventors: Chih-Hung Ju, Guo-Hao Huang, Kun-Feng Chen, Pen-Jan Wang
  • Patent number: 9709240
    Abstract: A lamp includes a frame, a light source, a light guide unit and a decorative unit. The light source is disposed on the frame. The light guide unit has a light-incident surface and a light-emitting surface. The light-incident surface faces towards the light source, and light emitted from the light source enters the light guide unit from the light-incident surface and is emitted out from the light-emitting surface to form a light plane. The decorative unit is detachably disposed on a position different from the light plane.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: July 18, 2017
    Assignee: Radiant Opto-Electronics Corporation
    Inventors: Guo-Hao Huang, Kun-Feng Chen, Pen-Jan Wang
  • Patent number: 9690311
    Abstract: A power supply apparatus including a power conversion circuit, a single transformer, a conjugate energy-storing inductor and a first and a second rectifying and filtering circuit is provided. The single transformer has a primary winding, a first secondary winding and a second secondary winding. The primary winding is coupled to the power conversion circuit and the first and second secondary windings respectively induce a corresponding voltage based on a voltage of the primary winding. The conjugate energy-storing inductor has a first and a second conjugate coil isolated from each other. The first and second rectifying and filtering circuits respectively charges/discharges in response to the voltage induced by the first and second rectifying and filtering circuits, and thereby respectively provides a first and a second output voltage via the output terminals of the first and second rectifying and filtering circuits.
    Type: Grant
    Filed: March 14, 2014
    Date of Patent: June 27, 2017
    Assignee: FSP TECHNOLOGY INC.
    Inventors: Yung-Hsiang Shih, Kun-Feng Hsu
  • Patent number: 9685760
    Abstract: The present invention provides a programmable continuous wave high power laser diode system, which comprised digital control unit, a switch module unit, and a latch current controlling unit so as to provide user to set the latch current of the high power laser diode via the digital control unit controlling the switch module unit and the latch current controlling unit, therefore, the laser diode system includes advantages of high system efficiency, reliability, low output ripple current range and fast switching reaction time.
    Type: Grant
    Filed: January 28, 2016
    Date of Patent: June 20, 2017
    Assignee: National Chung-Shan Institute of Science & Technology
    Inventors: Chao-Tsung Ma, Hsuang-Chang Chiang, Kun-Feng Chen, Yi-Lun Chen
  • Publication number: 20170170681
    Abstract: The present invention provides a novel wind power charging circuit with three-phase, single-stage and bridgeless framework. This novel wind power charging circuit is developed based on an isolated single-ended primary-inductance converter (SEPIC) having buck-boost converting function, and can be applied in a wind turbine system for increasing the operation scope of the input voltage provided by a wind turbine of the wind turbine system, so as to facilitate the wind turbine system include wide-range operation scope under different wind speeds, such that the electric energy production and the electromechanical conversion efficiency of the wind turbine system are able to be effectively enhanced. In addition, because this novel wind power charging circuit does not include any bridgeless PFC circuits and bridge-type diode rectifiers, the low conducting loss as well as the whole circuit volume and assembly cost of the wind turbine system can be simultaneously reduced.
    Type: Application
    Filed: December 11, 2015
    Publication date: June 15, 2017
    Inventors: Hsuang-Chang Chiang, Kun-Feng Chen, Chin-Yu Ho, Hsu-Pin Yang