Patents by Inventor Yongchuan LI

Yongchuan LI 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: 10774994
    Abstract: A spotlight apparatus has a LED plate, a lens plate, a cup body, a driver plate and two metal pins. The lens plate has a central lens and a plurality of micro optical structures. The cup body has a dome portion, a tube portion and a bottom portion. The dome portion and the tube portion are manufactured together as a single body. A portion of light emitting from the LED plate runs through the central lens of the lens plate to form a focus light beam and another portion of light emitting from the LED modules running through the plurality of micro optical structures to form soft light. Two input terminals of the driver plate are inserted into the two metal pins.
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: September 15, 2020
    Assignee: LEEDARSON AMERICA INC.
    Inventor: Yongchuan Li
  • Patent number: 10738946
    Abstract: A light bulb apparatus includes a head cup, a bottom support, multiple light strips and a bulb shell. The head cup is connected to an external power source. The bottom support is extended from the head cup. Each light strip has a top end and a bottom end. The bottom ends of the light strips are connected to the bottom support. The top ends of the light strips form a top polygonal shape and the bottom ends of the light strips form a bottom polygonal shape. The bottom polygonal shape has a bigger area size than the top polygonal shape. Each light strip has a skewed angle with respect to a middle axis perpendicular to the bottom shape.
    Type: Grant
    Filed: October 15, 2019
    Date of Patent: August 11, 2020
    Assignee: XIAMEN ECO LIGHTING CO., LTD.
    Inventors: Chenjun Wu, Hongkui Jiang, Yanzeng Gao, Yongchuan Li
  • Publication number: 20200240592
    Abstract: A light bulb apparatus includes a head cup, a bottom support, multiple light strips and a bulb shell. The head cup is connected to an external power source. The bottom support is extended from the head cup. Each light strip has a top end and a bottom end. The bottom ends of the light strips are connected to the bottom support. The top ends of the light strips form a top polygonal shape and the bottom ends of the light strips form a bottom polygonal shape. The bottom polygonal shape has a bigger area size than the top polygonal shape. Each light strip has a skewed angle with respect to a middle axis perpendicular to the bottom shape.
    Type: Application
    Filed: April 15, 2020
    Publication date: July 30, 2020
    Inventor: Yongchuan Li
  • Publication number: 20200194194
    Abstract: A retrofit switch apparatus is attached to a traditional switch device. The traditional switch device has a traditional switch for accepting a first user manual operation to control a target. The retrofit switch apparatus includes an attaching device, a retrofit housing and a touch module. The attaching device is attached to the traditional switch device. The retrofit housing provides a containing space for covering the traditional switch. The touch module has a touch surface and a driver circuit. The touch surface receives a second user manual operation processed by the driver circuit.
    Type: Application
    Filed: February 27, 2020
    Publication date: June 18, 2020
    Inventor: Yongchuan Li
  • Patent number: 10670195
    Abstract: A light bulb apparatus includes a head cup, a bottom support, multiple light strips and a bulb shell. The head cup is connected to an external power source. The bottom support is extended from the head cup. Each light strip has a top end and a bottom end. The bottom ends of the light strips are connected to the bottom support. The top ends of the light strips form a top polygonal shape and the bottom ends of the light strips form a bottom polygonal shape. The bottom polygonal shape has a bigger area size than the top polygonal shape. Each light strip has a skewed angle with respect to a middle axis perpendicular to the bottom shape.
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: June 2, 2020
    Assignee: Leedarson America Inc.
    Inventor: Yongchuan Li
  • Patent number: 10667352
    Abstract: A PWM signal generating system comprising: a PWM signal generating circuit, configured to generate a PWM signal; a control IC, configured to control a PWM ratio of the PWM signal via controlling the PWM signal generating circuit; a phase cutting dimmer, configured to output a phase cutting signal to the control IC according to a phase of an input signal; a current detecting circuit, configured to provide a detect current corresponding to the PWM ratio; and a voltage level dimmer, configured to generate a preliminary PWM ratio control signal corresponding to an input voltage level. The control IC controls the PWM ratio to correspond to the phase of the input signal, according to the detect current in a first mode. The control IC controls the PWM ratio according to the preliminary PWM ratio control signal in a second mode.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: May 26, 2020
    Assignee: LEEDARSON AMERICA INC.
    Inventor: Yongchuan Li
  • Publication number: 20200141566
    Abstract: A LED light apparatus includes an electrical connector device for electrically connecting a light source board and a driver board. The electrical connector device comprising an input terminal and an output terminal, one end of input terminal is fixed on the driver board of the LED light and electrically connected to the driver board. The output terminal includes a conductive terminal, an elastic clipping portion, and a resistance portion, the conductive terminal includes a conductive pin, the conductive pin is fixed on the light source board and electrically connected to the light source board, the elastic clipping portion and the resistance portion are placed on the conductive terminal, and when assembled, the other end of the input terminal elastically touches one end of the elastic resistance portion and the resistance portion touches the other end of the resistance portion. The electrical connector of LED light owns the advantages of simple structure and high reliability.
    Type: Application
    Filed: January 6, 2020
    Publication date: May 7, 2020
    Inventors: Xiaobo Chen, Yongzhe Dong, Zongjin Liu, Maojin Zeng, Daqiang Li, Yongchuan Li
  • Patent number: 10619806
    Abstract: An assembly light apparatus has a LED module, a light box, a driver box. The driver box is installed in a cavity of a ceiling via a fixing structure. The light box contains the LED module. The light box has a output opening and a back cover. The back cover has a first electrical terminal and a second electrical terminal connected to a first electrode and a second electrode of the driver box respectively. The light box and the driver box are detachably connected with a light box connector and a driver box connector.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: April 14, 2020
    Assignee: LEEDARSON AMERICA INC.
    Inventor: Yongchuan Li
  • Patent number: 10614975
    Abstract: A retrofit switch apparatus is designed to pair with a traditional switch device that has a traditional switch for accepting a first user manual operation to control a target device connected to the traditional switch device with an electrical wire. The traditional switch device has a connecting structure. The retrofit switch apparatus has an attaching device, a retrofit housing and a control circuit. The attaching device is attached to the connecting structure of the traditional switch device. The control circuit wirelessly controls the target device.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: April 7, 2020
    Assignee: LEEDARSON AMERICA INC.
    Inventor: Yongchuan Li
  • Patent number: 10614972
    Abstract: A retrofit switch apparatus is attached to a traditional switch device. The traditional switch device has a traditional switch for accepting a first user manual operation to control a target. The retrofit switch apparatus includes an attaching device, a retrofit housing and a touch module. The attaching device is attached to the traditional switch device. The retrofit housing provides a containing space for covering the traditional switch. The touch module has a touch surface and a driver circuit. The touch surface receives a second user manual operation processed by the driver circuit.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: April 7, 2020
    Assignee: LEEDARSON AMERICAN INC.
    Inventor: Yongchuan Li
  • Patent number: 10595378
    Abstract: A light device driving system includes a voltage source managing module, a duty cycle adjusting module, a control integrated circuit, a power outputting module, a passive lighting device and a voltage/current output control module. The voltage source managing module generates an input voltage. The duty cycle adjusting module adjusts a duty cycle of a phase-width modulation signal of the light device driving system according to a voltage feedback signal. The control integrated circuit generates the phase-width modulation signal based on the adjusted duty cycle. The voltage/current output control module generates the voltage feedback signal according to the output voltage and a voltage dimming signal and configured to forward the voltage feedback signal to the duty cycle adjusting module.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: March 17, 2020
    Assignee: LEEDARSON AMERICA INC.
    Inventor: Yongchuan Li
  • Publication number: 20200049315
    Abstract: A light bulb apparatus includes a head cup, a bottom support, multiple light strips and a bulb shell. The head cup is connected to an external power source. The bottom support is extended from the head cup. Each light strip has a top end and a bottom end. The bottom ends of the light strips are connected to the bottom support. The top ends of the light strips form a top polygonal shape and the bottom ends of the light strips form a bottom polygonal shape. The bottom polygonal shape has a bigger area size than the top polygonal shape. Each light strip has a skewed angle with respect to a middle axis perpendicular to the bottom shape.
    Type: Application
    Filed: October 15, 2019
    Publication date: February 13, 2020
    Inventors: Chenjun Wu, Hongkui Jiang, Yanzeng Gao, Yongchuan Li
  • Patent number: 10557624
    Abstract: A LED light apparatus includes an electrical connector device for electrically connecting a light source board and a driver board. The electrical connector device comprising an input terminal and an output terminal, one end of input terminal is fixed on the driver board of the LED light and electrically connected to the driver board. The output terminal includes a conductive terminal, an elastic clipping portion, and a resistance portion, the conductive terminal includes a conductive pin, the conductive pin is fixed on the light source board and electrically connected to the light source board, the resistance portion are placed on the conductive terminal, and when assembled, the other end of the input terminal elastically touches one end of the elastic resistance portion and the resistance portion touches the other end of the resistance portion. The electrical connector of LED light owns the advantages of simple structure and high reliability.
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: February 11, 2020
    Assignee: XIAMEN ECO LIGHTING CO. LTD.
    Inventors: Xiaobo Chen, Yongzhe Dong, Zongjin Liu, Maojin Zeng, Daqiang Li, Yongchuan Li
  • Publication number: 20200038692
    Abstract: Provided is a conscious animal ultrasonic neural regulation device, including a pulse signal generation module, a transducer module and a fixing module. The pulse signal generation module is configured to generate a pulse signal with high energy. The ultrasonic transducer module is configured to convert the pulse signal into an ultrasound. The fixing module includes an upper fixing module and a lower fixing module. The upper fixing module is configured to fix the ultrasonic transducer module, and the lower fixing module is configured to be fixed on an animal neural regulation target point. The upper fixing module and the lower fixing module are connected by a connecting component. The conscious animal neural regulation device of the present disclosure can perform accurate ultrasonic stimulation on a cerebral cortex and subcortex of the animal, thereby exploring and verifying the stimulation effect of the ultrasound on the animal, which is easy in operation and convenient in use.
    Type: Application
    Filed: April 21, 2017
    Publication date: February 6, 2020
    Applicant: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY CHINESE ACADEMY OF SCIENCES
    Inventors: Hairong Zheng, Hui Zhou, Lili Niu, Ruibiao Guo, Long Meng, Yongchuan Li, Min Su, Jiquing Huang, Ming Qian
  • Publication number: 20190393002
    Abstract: A light device control apparatus is designed to pair with a traditional switch device that has a traditional switch for accepting a first user manual operation to control a target device connected to the traditional switch device with an electrical wire. The traditional switch device has a connecting structure. The light device control apparatus has an attaching device, a cover body, a replacement switch and a wireless controller. The attaching device is attached to the connecting structure of the traditional switch device. The wireless controller wirelessly controls the target device. The replacement switch and the wireless component are not overlapped to each other vertically with respect to the surface cover of the traditional switch device.
    Type: Application
    Filed: September 3, 2019
    Publication date: December 26, 2019
    Inventor: Yongchuan Li
  • Publication number: 20190338903
    Abstract: An assembly light apparatus has a LED module, a light box, a driver box. The driver box is installed in a cavity of a ceiling via a fixing structure. The light box contains the LED module. The light box has a output opening and a back cover. The back cover has a first electrical terminal and a second electrical terminal connected to a first electrode and a second electrode of the driver box respectively. The light box and the driver box are detachably connected with a light box connector and a driver box connector.
    Type: Application
    Filed: July 22, 2019
    Publication date: November 7, 2019
    Inventor: Yongchuan Li
  • Patent number: 10446339
    Abstract: A retrofit switch apparatus is designed to pair with a traditional switch device that has a traditional switch for accepting a first user manual operation to control a target device connected to the traditional switch device with an electrical wire. The traditional switch device has a connecting structure. The retrofit switch apparatus has an attaching device, a cover body, a replacement switch and a wireless controller. The attaching device is attached to the connecting structure of the traditional switch device. The wireless controller wirelessly controls the target device. The replacement switch and the wireless component are not overlapped to each other vertically with respect to the surface cover of the traditional switch device.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: October 15, 2019
    Assignee: LEEDARSON AMERICA INC.
    Inventor: Yongchuan Li
  • Publication number: 20190271444
    Abstract: A light bulb apparatus includes a head cup, a bottom support, multiple light strips and a bulb shell. The head cup is connected to an external power source. The bottom support is extended from the head cup. Each light strip has a top end and a bottom end. The bottom ends of the light strips are connected to the bottom support. The top ends of the light strips form a top polygonal shape and the bottom ends of the light strips form a bottom polygonal shape. The bottom polygonal shape has a bigger area size than the top polygonal shape. Each light strip has a skewed angle with respect to a middle axis perpendicular to the bottom shape.
    Type: Application
    Filed: May 13, 2019
    Publication date: September 5, 2019
    Inventor: Yongchuan Li
  • Patent number: 10400965
    Abstract: An assembly light apparatus has a LED module, a light box, a driver box. The driver box is installed in a cavity of a ceiling via a fixing structure. The light box contains the LED module. The light box has a output opening and a back cover. The back cover has a first electrical terminal and a second electrical terminal connected to a first electrode and a second electrode of the driver box respectively. The light box and the driver box are detachably connected with a light box connector and a driver box connector.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: September 3, 2019
    Assignee: LEEDARSON AMERICA INC.
    Inventor: Yongchuan Li
  • Publication number: 20190268991
    Abstract: An adjustable light apparatus includes a first light source, a second light source, a control circuit and a tuning circuit. The first light source and the second light source have different optical characteristic. For example, the first light source and the second light source have different color temperatures. The control circuit is coupled to the first light source and the second light source to separately turning on or turning off the first light source and the second light source according to control signals supplied by the tuning circuit.
    Type: Application
    Filed: February 27, 2018
    Publication date: August 29, 2019
    Inventor: Yongchuan Li