Patents by Inventor Tianzheng JIANG

Tianzheng JIANG 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: 11933459
    Abstract: A lamp including electrical leads extending into a supporting stem that are in communication with a base electrode for engagement to a light fixture; and a light engine comprising light emitting diode filaments that are in electrical communication with the electrical leads. The light emitting diode filaments including a circuit having a plurality of contact pads arranged along a length of a substrate. The light emitting diode filaments further include light emitting diode (LED) chips engaged to the contact pads along the length of the substrate to provide that the light emitting diode (LED) chips are electrically connected in series. In some embodiments, each light emitting diode (LED) chip includes at least a light transmission surface that is in contact with an individual portion of phosphor for the LED chip. In other embodiments, a phosphor layer extends over an island of LED chips.
    Type: Grant
    Filed: April 26, 2022
    Date of Patent: March 19, 2024
    Assignee: LEDVANCE LLC
    Inventors: Xingrong Wang, Tianzheng Jiang, Ming Li
  • Patent number: 11879622
    Abstract: A driver for driving a light engine of a luminaire is provided. The driver comprises a driver assembly with a driver circuit for converting an input current provided by a power supply into an output current for driving the light engine, a housing for receiving the driver assembly, and a driver interface being detachably engageable with a driver bracket. The driver interface comprises a mechanical interface for mechanically coupling the driver to a mechanical interface of the driver bracket and an electrical interface for electrically coupling the driver to an electrical interface of the driver bracket in such a way that the input current from the power supply to the driver circuit and the output current from the driver circuit to the light engine can flow via the driver interface. Further, a driver bracket and a luminaire are provided.
    Type: Grant
    Filed: January 18, 2022
    Date of Patent: January 23, 2024
    Assignee: LEDVANCE GMBH
    Inventors: Tianzheng Jiang, Yonggang Xiao
  • Patent number: 11852328
    Abstract: A light structure including a first housing having a light engine including at least one lighting scheme comprised of LEDs; and a second housing for containing driver electronics. The driver electronics including at least a mixing integrated circuit (IC) for controlling current to the at least one lighting scheme, and a near field communication (NFC) circuit having a near field communication (NFC) receiver and memory for storing instructions for sending pulse width modulation (PWM) signals from the NFC circuit to the mixing integrated circuit. The NFC receiver can receive an external command signal that the instructions stored in the memory of the NFC circuit employ to provide for an NFC control signal including at least one of the PWM signals to the mixing integrated circuit (IC). The mixing integrated circuit (IC) receiving the control signal sets current to control light characteristics for light being emitted by the light engine.
    Type: Grant
    Filed: October 21, 2021
    Date of Patent: December 26, 2023
    Assignee: LEDVANCE LLC
    Inventors: Anil Jeswani, Renaud Richard, Ahmed Eissa, Ming Li, Tianzheng Jiang
  • Publication number: 20230341095
    Abstract: A lamp including electrical leads extending into a supporting stem that are in communication with a base electrode for engagement to a light fixture; and a light engine comprising light emitting diode filaments that are in electrical communication with the electrical leads. The light emitting diode filaments including a circuit having a plurality of contact pads arranged along a length of a substrate. The light emitting diode filaments further include light emitting diode (LED) chips engaged to the contact pads along the length of the substrate to provide that the light emitting diode (LED) chips are electrically connected in series. In some embodiments, each light emitting diode (LED) chip includes at least a light transmission surface that is in contact with an individual portion of phosphor for the LED chip. In other embodiments, a phosphor layer extends over an island of LED chips.
    Type: Application
    Filed: April 26, 2022
    Publication date: October 26, 2023
    Inventors: Xingrong Wang, Tianzheng Jiang, Ming Li
  • Publication number: 20230137752
    Abstract: A light emitting filament diode that includes a filament substrate; a plurality of light emitting diodes (LEDs) electrically connected and disposed along a length of the filament substrate; and a phosphorus encapsulant present in direct contact with an upper surface and sidewalk of at least one of the plurality of light emitting diodes (LEDs). No portion of phosphorus encapsulant is present overlying a portion of the filament substrate extending between the sidewalls of adjacently situated light emitting diodes having phosphorus encapsulant present thereon. The light emitting filament diode may a include a transparent encapsulant present over at least the light emitting diode chips.
    Type: Application
    Filed: November 2, 2021
    Publication date: May 4, 2023
    Inventors: Xinrong Wang, Tianzheng Jiang, Ming Li
  • Publication number: 20230134502
    Abstract: A light emitting diode (LED) structure that includes a stent substrate; and a circuit having a plurality of contact pads arranged along a length of the stent substrate. The structure further includes a plurality of light emitting diode (LED) chips, wherein each light emitting diode chip in the plurality of chips is engaged to a set of contact pads along the length of the metal stent substrate. A continuous phosphor layer is present overlying the plurality of light emitting diode (LED) chips, the continuous phosphor layer including first portions that are in direct contact with at least a light transmission surface of the light emitting diode (LED) chips and second portions that bridge across the space separating adjacently positioned light emitting diode. An encapsulant present over the continuous phosphor layer that is covering at least the light emitting diode chips.
    Type: Application
    Filed: November 2, 2021
    Publication date: May 4, 2023
    Inventors: Xinrong Wang, Tianzheng Jiang, Ming Li
  • Patent number: 11611183
    Abstract: A lamp socket for a lamp base, in particular a pin-based lamp base, is provided. The lamp socket comprises an electrically insulating housing having a cavity that is entirely framed by the housing in lateral directions, wherein the cavity is adapted for receiving a connector casing of the lamp base, wherein a bottom of the cavity comprises a receptacle for receiving a connector pin of the lamp base, and wherein a height of the cavity corresponds to at least a length of the connector pin.
    Type: Grant
    Filed: July 27, 2017
    Date of Patent: March 21, 2023
    Assignee: LEDVANCE GMBH
    Inventors: Tianzheng Jiang, Bangzhou Liang
  • Publication number: 20230031367
    Abstract: A system for configuring a light structure that includes a light engine including at least one lighting scheme comprised of light emitting diodes (LEDs); and driver electronics for powering the light engine. The driver electronics also including at least a mixing integrated circuit (IC) for controlling current to the at one lighting schemes, and a near field communication (NFC) circuit having a near field communication (NFC) receiver and memory for storing instructions for sending signals from the NFC circuit to the mixing integrated circuit. The NFC receiver receives an external command signal that the instructions stored in the memory of the NFC circuit employ to provide for an NFC control signal to the mixing integrated circuit (IC) to adjust lighting characteristics of the light engine.
    Type: Application
    Filed: July 27, 2022
    Publication date: February 2, 2023
    Inventors: Ming Li, Tianzheng Jiang, Anil Jeswani
  • Publication number: 20220228733
    Abstract: A driver for driving a light engine of a luminaire is provided. The driver comprises a driver assembly with a driver circuit for converting an input current provided by a power supply into an output current for driving the light engine, a housing for receiving the driver assembly, and a driver interface being detachably engageable with a driver bracket. The driver interface comprises a mechanical interface for mechanically coupling the driver to a mechanical interface of the driver bracket and an electrical interface for electrically coupling the driver to an electrical interface of the driver bracket in such a way that the input current from the power supply to the driver circuit and the output current from the driver circuit to the light engine can flow via the driver interface. Further, a driver bracket and a luminaire are provided.
    Type: Application
    Filed: January 18, 2022
    Publication date: July 21, 2022
    Inventors: Tianzheng JIANG, Yonggang XIAO
  • Publication number: 20220120423
    Abstract: A light structure including a first housing having a light engine including at least one lighting scheme comprised of LEDs; and a second housing for containing driver electronics. The driver electronics including at least a mixing integrated circuit (IC) for controlling current to the at least one lighting scheme, and a near field communication (NFC) circuit having a near field communication (NFC) receiver and memory for storing instructions for sending pulse width modulation (PWM) signals from the NFC circuit to the mixing integrated circuit. The NFC receiver can receive an external command signal that the instructions stored in the memory of the NFC circuit employ to provide for an NFC control signal including at least one of the PWM signals to the mixing integrated circuit (IC). The mixing integrated circuit (IC) receiving the control signal sets current to control light characteristics for light being emitted by the light engine.
    Type: Application
    Filed: October 21, 2021
    Publication date: April 21, 2022
    Inventors: Anil Jeswani, Renaud Richard, Ahmed Eissa, Ming Li, Tianzheng Jiang
  • Patent number: 10753554
    Abstract: A lighting device includes a primary lighting module with one or more light sources and one or more secondary lighting modules each with one or more light sources. Each secondary lighting module is mechanically and electrically connected to the primary lighting module. At least one of the secondary lighting modules is movable with respect to the primary lighting module. The shape of the lighting device can be varied between different configurations.
    Type: Grant
    Filed: July 26, 2018
    Date of Patent: August 25, 2020
    Assignee: LEDVANCE GMBH
    Inventor: Tianzheng Jiang
  • Publication number: 20200161818
    Abstract: A lamp socket (1) for a lamp base (100), in particular a pin-based lamp base (100), is provided. The lamp socket (1) comprises an electrically insulating housing (10) having a cavity (20) that is entirely framed by the housing (10) in lateral directions (x, y), wherein the cavity (20) is adapted for receiving a connector casing (101) of the lamp base (100), wherein a bottom (20a) of the cavity (20) comprises a receptacle (30) for receiving a connector pin (102) of the lamp base (100), and wherein a height (D1) of the cavity (20) corresponds to at least a length of the connector pin (102).
    Type: Application
    Filed: July 27, 2017
    Publication date: May 21, 2020
    Inventors: Tianzheng JIANG, Bangzhou LIANG
  • Patent number: 10502371
    Abstract: The lamp includes a substantially transparent housing tube, a first end cap at a first end of the housing tube and a second end cap at a second end of the housing tube. The end caps include contacts for electrically contacting a power supply. An LED-filament is arranged in the housing tube between the first end cap and the second end cap.
    Type: Grant
    Filed: October 1, 2018
    Date of Patent: December 10, 2019
    Assignee: LEDVANCE GMBH
    Inventors: Jin Hu, Tianzheng Jiang, Bernhard Rieder, Yonggang Xiao
  • Publication number: 20190101248
    Abstract: The lamp includes a substantially transparent housing tube, a first end cap at a first end of the housing tube and a second end cap at a second end of the housing tube. The end caps include contacts for electrically contacting a power supply. An LED-filament is arranged in the housing tube between the first end cap and the second end cap.
    Type: Application
    Filed: October 1, 2018
    Publication date: April 4, 2019
    Inventors: Jin HU, Tianzheng JIANG, Bernhard RIEDER, Yonggang XIAO
  • Publication number: 20190032868
    Abstract: A lighting device includes a primary lighting module with one or more light sources and one or more secondary lighting modules each with one or more light sources. Each secondary lighting module is mechanically and electrically connected to the primary lighting module. At least one of the secondary lighting modules is movable with respect to the primary lighting module. The shape of the lighting device can be varied between different configurations.
    Type: Application
    Filed: July 26, 2018
    Publication date: January 31, 2019
    Inventor: Tianzheng JIANG