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).
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Patent number: 12267934Abstract: 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: GrantFiled: July 27, 2022Date of Patent: April 1, 2025Assignee: LEDVANCE LLCInventors: Ming Li, Tianzheng Jiang, Anil Jeswani
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Patent number: 12196394Abstract: A retrofit light emitting diode structure that includes a light emitting diode (LED) panel including at least a light emitting diode (LED) light source contained within an assembly or a lens and base housing. At least one track bracket is present on at least a portion of the perimeter of the base housing. The track bracket includes an opening to a race. An assembly mechanism is fastened to the track bracket that is positioned for engagement to an opening in a housing mount for the LED panel, wherein the assembly mechanism includes a tether having a length for providing an assembly distance from the housing mount. The retrofit light emitting diode (LED) structure also includes a retaining mechanism, wherein a base of the retaining mechanism includes a profile for engagement to the race of the track bracket and retaining arms extend through the opening to the race for reversible engagement to slots in the housing mount for the LED panel.Type: GrantFiled: February 7, 2024Date of Patent: January 14, 2025Assignee: LEDVANCE LLCInventors: Anil Jeswani, Tianzheng Jiang, Ming Li
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Publication number: 20240271776Abstract: A retrofit light emitting diode structure that includes a light emitting diode (LED) panel including at least a light emitting diode (LED) light source contained within an assembly or a lens and base housing. At least one track bracket is present on at least a portion of the perimeter of the base housing. The track bracket includes an opening to a race. An assembly mechanism is fastened to the track bracket that is positioned for engagement to an opening in a housing mount for the LED panel, wherein the assembly mechanism includes a tether having a length for providing an assembly distance from the housing mount. The retrofit light emitting diode (LED) structure also includes a retaining mechanism, wherein a base of the retaining mechanism includes a profile for engagement to the race of the track bracket and retaining arms extend through the opening to the race for reversible engagement to slots in the housing mount for the LED panel.Type: ApplicationFiled: February 7, 2024Publication date: August 15, 2024Inventors: Anil Jeswani, Tianzheng Jiang, Ming Li
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Publication number: 20240174105Abstract: An electric vehicle supply equipment that includes a form factor fitting a charging station including one interface for charging electric vehicles and at a second interface for powering street lighting. The first interface including a voltage for supporting level 2 charging. The electric vehicle supply equipment can also include an electrical box mounted to the structure with a form factor fitting the charging station that includes a connection to grid power. The electrical box includes an AC circuit, wherein a splitter provides for electrical communication from the AC circuit to the first and second interface, wherein the splitter provides for splitting the neutral and line cables of the AC input into a first branch that provides electrical communication to the first interface having the voltage for supporting level 2 charging, and a second branch that provides electrical communication to the second interface for powering the luminaire.Type: ApplicationFiled: October 26, 2023Publication date: May 30, 2024Inventors: Ming Li, Sally Lee, Tianzheng Jiang, Bruce Li
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Publication number: 20240175556Abstract: 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: ApplicationFiled: February 7, 2024Publication date: May 30, 2024Inventors: Xingrong Wang, Tianzheng Jiang, Ming Li
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Patent number: 11933459Abstract: 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: GrantFiled: April 26, 2022Date of Patent: March 19, 2024Assignee: LEDVANCE LLCInventors: Xingrong Wang, Tianzheng Jiang, Ming Li
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Patent number: 11879622Abstract: 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: GrantFiled: January 18, 2022Date of Patent: January 23, 2024Assignee: LEDVANCE GMBHInventors: Tianzheng Jiang, Yonggang Xiao
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Patent number: 11852328Abstract: 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: GrantFiled: October 21, 2021Date of Patent: December 26, 2023Assignee: LEDVANCE LLCInventors: Anil Jeswani, Renaud Richard, Ahmed Eissa, Ming Li, Tianzheng Jiang
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Publication number: 20230341095Abstract: 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: ApplicationFiled: April 26, 2022Publication date: October 26, 2023Inventors: Xingrong Wang, Tianzheng Jiang, Ming Li
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Publication number: 20230134502Abstract: 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: ApplicationFiled: November 2, 2021Publication date: May 4, 2023Inventors: Xinrong Wang, Tianzheng Jiang, Ming Li
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Publication number: 20230137752Abstract: 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: ApplicationFiled: November 2, 2021Publication date: May 4, 2023Inventors: Xinrong Wang, Tianzheng Jiang, Ming Li
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Patent number: 11611183Abstract: 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: GrantFiled: July 27, 2017Date of Patent: March 21, 2023Assignee: LEDVANCE GMBHInventors: Tianzheng Jiang, Bangzhou Liang
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Publication number: 20230031367Abstract: 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: ApplicationFiled: July 27, 2022Publication date: February 2, 2023Inventors: Ming Li, Tianzheng Jiang, Anil Jeswani
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Publication number: 20220228733Abstract: 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: ApplicationFiled: January 18, 2022Publication date: July 21, 2022Inventors: Tianzheng JIANG, Yonggang XIAO
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Publication number: 20220120423Abstract: 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: ApplicationFiled: October 21, 2021Publication date: April 21, 2022Inventors: Anil Jeswani, Renaud Richard, Ahmed Eissa, Ming Li, Tianzheng Jiang
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Patent number: 10753554Abstract: 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: GrantFiled: July 26, 2018Date of Patent: August 25, 2020Assignee: LEDVANCE GMBHInventor: Tianzheng Jiang
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Publication number: 20200161818Abstract: 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: ApplicationFiled: July 27, 2017Publication date: May 21, 2020Inventors: Tianzheng JIANG, Bangzhou LIANG
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Patent number: 10502371Abstract: 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: GrantFiled: October 1, 2018Date of Patent: December 10, 2019Assignee: LEDVANCE GMBHInventors: Jin Hu, Tianzheng Jiang, Bernhard Rieder, Yonggang Xiao
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Publication number: 20190101248Abstract: 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: ApplicationFiled: October 1, 2018Publication date: April 4, 2019Inventors: Jin HU, Tianzheng JIANG, Bernhard RIEDER, Yonggang XIAO
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Publication number: 20190032868Abstract: 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: ApplicationFiled: July 26, 2018Publication date: January 31, 2019Inventor: Tianzheng JIANG