Patents by Inventor Qiyuan Wang

Qiyuan Wang 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: 11417814
    Abstract: An LED chip module includes a first electrode plate and a second electrode plate. A first set of LED chip and a second set of LED chip are respectively set on the first electrode plate and the second electrode plate. The second set of LED chip is electrically connected to the first set of LED chip. A plastic shell is fixedly connected to the first electrode plate and the second electrode plate by injection molding to make the first electrode plate and the second electrode plate keep a predetermined space between each other and make a lower surface of the first electrode plate and a lower surface of the second electrode plate be respectively connected to two different polarity terminals of the power supply to drive the first set of LED chip and the second set of LED chip to emit light.
    Type: Grant
    Filed: April 21, 2021
    Date of Patent: August 16, 2022
    Assignee: XIAMEN ECO LIGHTING CO. LTD.
    Inventors: Liangliang Cao, Huiwu Chen, Qiyuan Wang
  • Patent number: 11326743
    Abstract: A LED light apparatus includes a substrate, LED modules, a driver circuit, a fluorescent layer, a connector and a light passing shell. The LED modules are mounted on the substrate. The fluorescent layer covers the driver circuit and the LED modules. The connector has a first end electrically connecting to the driver circuit. The light passing shell encapsulates the substrate, the plurality of first LED modules, the driver circuit, the first fluorescent layer and at least a part of the connector. The connector has a second end connecting to an external power source.
    Type: Grant
    Filed: January 7, 2021
    Date of Patent: May 10, 2022
    Assignee: XIAMEN ECO LIGHTING CO. LTD.
    Inventors: Qiyuan Wang, Liangliang Cao, Hongkui Jiang, Huiwu Chen, Wei Liu, Feihua He, Yanzeng Gao
  • Patent number: 11274798
    Abstract: A light bulb apparatus has a plurality of LED modules, a substrate, a driver circuit board, a plastic piece, a radiator and a lamp cap. The substrate has aluminum material for mounting the plurality of LED modules, a first connection end and a second connection end. The first connection end and the second connection end are electrically connected to the plurality of LED modules. The plastic piece with a guiding groove is used for inserting the driver circuit board. The radiator has a top plate and a side wall. The substrate is fixed on the top plate, and the side wall are connected to the plastic piece.
    Type: Grant
    Filed: December 22, 2020
    Date of Patent: March 15, 2022
    Assignee: XIAMEN ECO LIGHTING CO. LTD.
    Inventors: Qiyuan Wang, Yunnan Lin, Liping Lin
  • Patent number: 11226072
    Abstract: A lighting apparatus includes a light source module, a light source plate, a wireless module, a fiberglass plate and external electrodes. The light source module includes a LED module. The light source plate is used for mounting the light source module. The wireless module includes an antenna and a radio frequency circuit for wirelessly communicating with an external device. The radio frequency circuit is electrically connected to the light source module. The fiberglass plate is used for mounting the wireless module. The antenna is disposed on an external surface of the fiberglass plate. The external electrodes for passing an external power source to the light source module.
    Type: Grant
    Filed: August 20, 2020
    Date of Patent: January 18, 2022
    Assignee: XIAMEN LEEDARSON LIGHTING CO., LTD
    Inventors: Jiaqing Zhuang, Qiyuan Wang, Haipeng Xiao, Fengyu Yan, Hongkui Jiang, Xiaohong Chen, Jun Wang, Wei Liu
  • Patent number: 11217568
    Abstract: An LED filament assembly includes a frame, a first electrode disposed on a first end of the frame, and a second electrode disposed on a second end of the frame. The LED filament assembly includes a first group of LED chips capable of emitting a first color, a second group of LED chips capable of emitting a second color, and a third group of LED chips capable of emitting a third color. The first group of LED chips is disposed on the frame along a longitudinal axis, connected in series, and electrically connected to the first electrode and the second electrode. Similarly, the second and the third group of LED chips are also disposed on the frame along the longitudinal axis, connected in series, and electrically connected to the first electrode and the second electrode. A lamp including such an LED filament assembly is also disclosed.
    Type: Grant
    Filed: April 26, 2021
    Date of Patent: January 4, 2022
    Assignee: XIAMEN ECO LIGHTING CO. LTD.
    Inventors: Yanbiao Chen, Qiyuan Wang, Huiwu Chen, Hongkui Jiang, Liangliang Cao, Yongshu Zheng
  • Patent number: 11212891
    Abstract: A light tube apparatus includes a tubular housing, a LED module, an EMI circuit, a rectifier circuit, a filter circuit, a conversion circuit, a safety circuit and a PWM modulation circuit. The safety circuit is connected to a dimming signal from a dimmer for preventing an incorrect connection when the dimmer is connected in wrong direction causing loop breakage. The PWM modulation circuit is connected to the conversion circuit and the safety circuit for performing a pulse width modulation for the dimming signal supplied to the conversion circuit for adjusting a luminance level of the LED module.
    Type: Grant
    Filed: April 18, 2020
    Date of Patent: December 28, 2021
    Assignee: XIAMEN ECO LIGHTING CO. LTD.
    Inventors: Qi Liu, Qiyuan Wang, Yongjun Bao
  • Publication number: 20210329759
    Abstract: A light tube apparatus includes a tubular housing, a LED module, an EMI circuit, a rectifier circuit, a filter circuit, a conversion circuit, a safety circuit and a PWM modulation circuit. The safety circuit is connected to a dimming signal from a dimmer for preventing an incorrect connection when the dimmer is connected in wrong direction causing loop breakage. The PWM modulation circuit is connected to the conversion circuit and the safety circuit for performing a pulse width modulation for the dimming signal supplied to the conversion circuit for adjusting a luminance level of the LED module.
    Type: Application
    Filed: April 18, 2020
    Publication date: October 21, 2021
    Inventors: Qi LIU, Qiyuan WANG, Yongjun BAO
  • Patent number: 11109464
    Abstract: A driving circuit includes: a first connecting port for receiving a first signal during a first operating mode; a second connecting port for receiving a second signal during the first operating mode or receiving a third signal during a second operating mode; a first driving unit coupled to the first connecting port and the second connecting port, for driving an LED element according to the first signal and the second signal during the first operating mode; and a second driving unit coupled to the second connecting port, for driving the LED element according to the third signal during the second operating mode; wherein the second operating mode is different from the first operating mode.
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: August 31, 2021
    Assignee: XIAMEN ECO LIGHTING CO. LTD.
    Inventors: Qi Liu, Zongyan Liu, Qiyuan Wang, Yongjun Bao
  • Publication number: 20210249387
    Abstract: An LED filament assembly includes a frame, a first electrode disposed on a first end of the frame, and a second electrode disposed on a second end of the frame. The LED filament assembly includes a first group of LED chips capable of emitting a first color, a second group of LED chips capable of emitting a second color, and a third group of LED chips capable of emitting a third color. The first group of LED chips is disposed on the frame along a longitudinal axis, connected in series, and electrically connected to the first electrode and the second electrode. Similarly, the second and the third group of LED chips are also disposed on the frame along the longitudinal axis, connected in series, and electrically connected to the first electrode and the second electrode. A lamp including such an LED filament assembly is also disclosed.
    Type: Application
    Filed: April 26, 2021
    Publication date: August 12, 2021
    Inventors: Yanbiao CHEN, Qiyuan WANG, Huiwu CHEN, Hongkui JIANG, Liangliang CAO, Yongshu ZHENG
  • Publication number: 20210242386
    Abstract: An LED chip module includes a first electrode plate and a second electrode plate. A first set of LED chip and a second set of LED chip are respectively set on the first electrode plate and the second electrode plate. The second set of LED chip is electrically connected to the first set of LED chip. A plastic shell is fixedly connected to the first electrode plate and the second electrode plate by injection molding to make the first electrode plate and the second electrode plate keep a predetermined space between each other and make a lower surface of the first electrode plate and a lower surface of the second electrode plate be respectively connected to two different polarity terminals of the power supply to drive the first set of LED chip and the second set of LED chip to emit light.
    Type: Application
    Filed: April 21, 2021
    Publication date: August 5, 2021
    Inventors: Liangliang Cao, Huiwu Chen, Qiyuan Wang
  • Patent number: 11032888
    Abstract: An elongated lamp tube has an elongated tube shell, two caps, a LED light source, a first power supply circuit, a second power supply circuit and a frequency switch circuit. The elongated lamp tube may be connected to first electrodes of a lamp fixture without a ballast or a lamp fixture with a ballast. The ballast converts an external power of an industrial frequency to a converted power of a working frequency. The frequency switch circuit is connected to the first power supply and the second power supply for blocking one of the first power supply circuit and the second power supply to supply driving current to the LED light source according to an input frequency of a received power.
    Type: Grant
    Filed: February 23, 2020
    Date of Patent: June 8, 2021
    Assignee: XIAMEN ECO LIGHTING CO. LTD.
    Inventors: Qi Liu, Qiyuan Wang, Zongyan Liu, Cantian Wu, Wei Liu, Yongjun Bao
  • Patent number: 11021653
    Abstract: A LED device includes LED chips mounted on a substrate, a first fluorescent layer, a second fluorescent layer and a package housing. The LED chips emit a blue light. The first fluorescent layer has a first side facing to the LED chips for converting the blue light to a red light. The second fluorescent layer has a first side attached to a second side of the first fluorescent layer for converting the blue light to a red light emitted from a second side of the second fluorescent layer. The package housing holds the substrate and the first fluorescent layer.
    Type: Grant
    Filed: September 13, 2019
    Date of Patent: June 1, 2021
    Assignee: LEEDARSON LIGHTING CO. LTD.
    Inventors: Yanbiao Chen, Liangliang Cao, Huiwu Chen, Qiyuan Wang
  • Patent number: 11024779
    Abstract: A LED device includes LED chips mounted on a substrate, a first fluorescent layer, a second fluorescent layer and a package housing. The LED chips emit a blue light. The first fluorescent layer has a first side facing to the LED chips for converting the blue light to a red light. The second fluorescent layer has a first side attached to a second side of the first fluorescent layer for converting the blue light to a red light emitted from a second side of the second fluorescent layer. The package housing holds the substrate and the first fluorescent layer.
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: June 1, 2021
    Assignee: LEEDARSON LIGHTING CO. LTD.
    Inventors: Yanbiao Chen, Liangliang Cao, Huiwu Chen, Qiyuan Wang
  • Patent number: 11024780
    Abstract: A LED light tube includes LED chips mounted on a substrate, a first fluorescent layer, a second fluorescent layer and a package housing. The LED chips emit a blue light. The first fluorescent layer has a first side facing to the LED chips for converting the blue light to a red light. The second fluorescent layer has a first side attached to a second side of the first fluorescent layer for converting the blue light to a red light emitted from a second side of the second fluorescent layer. The package housing holds the substrate and the first fluorescent layer.
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: June 1, 2021
    Assignee: LEEDARSON LIGHTING CO. LTD.
    Inventors: Yanbiao Chen, Liangliang Cao, Huiwu Chen, Qiyuan Wang
  • Publication number: 20210156523
    Abstract: A LED light apparatus includes a substrate, LED modules, a driver circuit, a fluorescent layer, a connector and a light passing shell. The LED modules are mounted on the substrate. The fluorescent layer covers the driver circuit and the LED modules. The connector has a first end electrically connecting to the driver circuit. The light passing shell encapsulates the substrate, the plurality of first LED modules, the driver circuit, the first fluorescent layer and at least a part of the connector. The connector has a second end connecting to an external power source.
    Type: Application
    Filed: January 7, 2021
    Publication date: May 27, 2021
    Inventors: Qiyuan Wang, Liangliang Cao, Hongkui Jiang, Huiwu Chen, Wei Liu, Feihua He, Yanzeng Gao
  • Patent number: 11018282
    Abstract: A LED device includes LED chips mounted on a substrate, a first fluorescent layer, a second fluorescent layer and a package housing. The LED chips emit a blue light. The first fluorescent layer has a first side facing to the LED chips for converting the blue light to a red light. The second fluorescent layer has a first side attached to a second side of the first fluorescent layer for converting the blue light to a red light emitted from a second side of the second fluorescent layer. The package housing holds the substrate and the first fluorescent layer.
    Type: Grant
    Filed: February 4, 2019
    Date of Patent: May 25, 2021
    Assignee: LEEDARSON LIGHTING CO. LTD.
    Inventors: Yanbiao Chen, Liangliang Cao, Huiwu Chen, Qiyuan Wang
  • Patent number: 11018119
    Abstract: An LED filament assembly includes a frame, a first electrode disposed on a first end of the frame, and a second electrode disposed on a second end of the frame. The LED filament assembly includes a first group of LED chips capable of emitting a first color, a second group of LED chips capable of emitting a second color, and a third group of LED chips capable of emitting a third color. The first group of LED chips is disposed on the frame along a longitudinal axis, connected in series, and electrically connected to the first electrode and the second electrode. Similarly, the second and the third group of LED chips are also disposed on the frame along the longitudinal axis, connected in series, and electrically connected to the first electrode and the second electrode. A lamp including such an LED filament assembly is also disclosed.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: May 25, 2021
    Assignee: XIAMEN ECO LIGHTING CO. LTD.
    Inventors: Yanbiao Chen, Qiyuan Wang, Huiwu Chen, Hongkui Jiang, Liangliang Cao, Yongshu Zheng
  • Patent number: 11011690
    Abstract: An LED chip module includes a first electrode plate and a second electrode plate. A first set of LED chip and a second set of LED chip are respectively set on the first electrode plate and the second electrode plate. The second set of LED chip is electrically connected to the first set of LED chip. A plastic shell is fixedly connected to the first electrode plate and the second electrode plate by injection molding to make the first electrode plate and the second electrode plate keep a predetermined space between each other and make a lower surface of the first electrode plate and a lower surface of the second electrode plate be respectively connected to two different polarity terminals of the power supply to drive the first set of LED chip and the second set of LED chip to emit light.
    Type: Grant
    Filed: March 4, 2019
    Date of Patent: May 18, 2021
    Assignee: XIAMEN ECO LIGHTING CO. LTD.
    Inventors: Liangliang Cao, Huiwu Chen, Qiyuan Wang
  • Patent number: 11009223
    Abstract: AN LED tube apparatus has a tube body with two opposite ends fixed to a first cap and a second cap. AN LED module is placed in the tube body. The LED module has a driver circuit containing an electronic ballast that generates high frequency electric current. The first cap has two first metal pins to be inserted in a first socket end of a light tube bracket. The first metal pin clutches an end of a leading wire. The leading wire has a protective portion breaking off when the first metal pin is applied with a predetermined range of heat generated by the high frequency electric current when the LED tube apparatus is not operated properly.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: May 18, 2021
    Assignee: XIAMEN ECO LIGHTING CO. LTD.
    Inventors: Qiyuan Wang, Yongjun Bao, Wengui Wu, Qi Liu
  • Patent number: 11002444
    Abstract: A light bulb apparatus has a bulb shell, LED modules, a light source plate, an inner tube and an outer cup. The light source plate has a substrate plate. The substrate plate and the inner tube are made of heat dissipation material like metal material. There is a pressing portion of a lateral side of the substrate plate pressing against an inner side of the inner tube part and there is a spacing portion of the lateral side of the substrate plate not engaging the inner side of the inner tube. The outer cup part has top part and a bottom part. The inner cup is placed inside the top part of the outer cup and pressing against the outer cup.
    Type: Grant
    Filed: November 29, 2019
    Date of Patent: May 11, 2021
    Assignee: XIAMEN ECO LIGHTING CO. LTD.
    Inventors: Maojin Zeng, Qiyuan Wang, Liangliang Cao, Yongjun Bao, Wenchang Huang, Liping Lin, Yunnan Lin, Bin Liu, Huiwu Chen, Liu Wei