Patents by Inventor Xintong Liu
Xintong Liu 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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Publication number: 20170164434Abstract: An LED tube lamp is provided. The LED tube lamp includes a lamp tube having at least two external connection terminals, for receiving an external driving signal; a rectifying circuit for rectifying the external driving signal to produce a rectified signal; an LED lighting module comprising an LED module, for emitting light; and a ballast interface circuit coupled between the external connection terminals and the LED lighting module, and comprising a detection circuit configured to determine whether the external driving signal is a high frequency or high voltage signal according to the frequency or voltage level of the rectified signal, wherein the ballast interface circuit is configured such that when the external driving signal is determined to be a high frequency or high voltage signal, the ballast interface circuit causes current conduction in the LED module for emitting light.Type: ApplicationFiled: December 19, 2016Publication date: June 8, 2017Inventors: AIMING XIONG, XINTONG LIU, XIAOJIA WU, HECHEN HU
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Publication number: 20170142790Abstract: An LED tube lamp is provided.Type: ApplicationFiled: January 27, 2017Publication date: May 18, 2017Inventors: AIMING XIONG, XINTONG LIU, XIAOJIA WU, HECHEN HU
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Publication number: 20170105263Abstract: An LED tube lamp is provided. The LED tube lamp includes a lamp tube including a first pin at a first end of the lamp tube and a second pin at a second end of the lamp tube, for receiving an external driving signal; a light strip disposed in the lamp tube, comprising an LED module for emitting light; a driving circuit configured to drive the LED module; a rectifying circuit for rectifying the external driving signal to produce a rectified signal; a filtering circuit coupled to the rectifying circuit, for filtering the rectified signal in order to drive the LED module; a first capacitor coupled to the first pin at the first end of the lamp tube; and a second capacitor coupled to the second pin at the second end of the lamp tube.Type: ApplicationFiled: December 19, 2016Publication date: April 13, 2017Inventors: AIMING XIONG, XINTONG LIU, XIAOJIA WU, HECHEN HU
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Publication number: 20170094736Abstract: The LED tube lamp includes a lamp tube configured to receive an external driving signal; a rectifying circuit configured to rectify the external driving signal to produce a rectified signal; a filtering circuit coupled to the rectifying circuit, and configured to filter the rectified signal to produce a filtered signal, wherein the filtering circuit has a first filtering output terminal and a second filtering output terminal; an LED lighting module coupled to the filtering circuit, wherein the LED lighting module includes a driving circuit having a first driving output terminal and a second driving output terminal and configured to receive the filtered signal to produce a driving signal, and an LED module configured to receive the driving signal and emit light; and a mode switching circuit coupled to at least one of the first and the second filtering output terminal and at least one of the first and the second driving output terminal, and configured to determine to perform one of a first driving mode and a seType: ApplicationFiled: December 12, 2016Publication date: March 30, 2017Inventors: Aiming Xiong, Xintong Liu
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Publication number: 20170089525Abstract: An LED tube lamp is disclosed. An installation detection circuit is configured in the LED tube lamp configured to receive an external driving signal. The installation detection circuit is configured to detect during one or more pulse signals whether the LED tube lamp is properly installed on a lamp socket, based on detecting a signal generated from the external driving signal. The installation detection circuit includes a switch circuit coupled to the pulse generating circuit, wherein the one or more pulse signals control turning on and off of the switch circuit.Type: ApplicationFiled: December 8, 2016Publication date: March 30, 2017Inventors: Aiming Xiong, Xintong Liu, Kanghong Zhang
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Publication number: 20170094746Abstract: An LED tube lamp is disclosed. The LED tube lamp includes an LED module for emitting light, the LED module comprising an LED unit comprising an LED; a rectifying circuit for rectifying an external driving signal to produce a rectified signal; and a mode determination circuit configured to detect a state of a property of the rectified signal, for selectively determining on performing a first mode or a second mode of lighting according to the state of the property of the rectified signal; wherein when the LED tube lamp performs the first mode of lighting, the mode determination circuit allows continual current to flow through the LED unit until the external driving signal is disconnected from the LED tube lamp; and when the LED tube lamp performs the second mode of lighting, the mode determination circuit regulates the continuity of current to flow through the LED unit.Type: ApplicationFiled: July 15, 2016Publication date: March 30, 2017Inventors: AIMING XIONG, XINTONG LIU, XIAOJIA WU
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Patent number: 9609711Abstract: A light-emitting diode (LED) tube lamp comprises a lamp tube, a first rectifying circuit, a filtering circuit and an LED driving module. The lamp tube has a first pin and a second pin for receiving an external driving signal. The first rectifying circuit is coupled to the first and second pins, for rectifying the external driving signal to produce a rectified signal. The filtering circuit is coupled to the first rectifying circuit, for filtering the rectified signal to produce a filtered signal. The LED driving module is coupled to the filtering circuit to receive the filtered signal for emitting light. Wherein, the filtering circuit includes a capacitor and an inductor connected in parallel and between one of the first and second pins and the first rectifying circuit, and the parallel-connected capacitor and inductor are configured for presenting a peak equivalent impedance to the external driving signal at a specific frequency.Type: GrantFiled: September 25, 2015Date of Patent: March 28, 2017Assignee: Jiaxing Super Lighting Electric Appliance Co., Ltd.Inventors: Tao Jiang, Chang Yang, Aiming Xiong, Qifeng Ye, Xintong Liu
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Publication number: 20170067627Abstract: An LED tube lamp is disclosed. An installation detection circuit is configured in the LED tube lamp configured to receive an external driving signal. The installation detection circuit includes: a pulse generating circuit configured to output one or more pulse signals; wherein the installation detection circuit is configured to detect during one or more pulse signals whether the LED tube lamp is properly installed on a lamp socket, based on detecting a signal generated from the external driving signal; and a switch circuit coupled to the pulse generating circuit, wherein the one or more pulse signals control turning on and off of the switch circuit.Type: ApplicationFiled: October 31, 2016Publication date: March 9, 2017Inventors: Xintong Liu, Aiming Xiong, Tao Jiang, Feng Zou
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Patent number: 9587817Abstract: An LED tube lamp is provided herein, which implements the safety function for protecting the user from electric shock since it conducts only when both ends thereof have been correctly installed into a lamp socket. The LED tube lamp includes an installation detection module configured in the LED tube lamp to detect an installation state between the LED tube lamp and the lamp socket.Type: GrantFiled: July 15, 2016Date of Patent: March 7, 2017Assignee: JIAXING SUPER LIGHTING ELECTRIC APPLIANCE CO., LTDInventors: Xintong Liu, Aiming Xiong, Tao Jiang
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Publication number: 20170038013Abstract: An LED tube lamp is provided herein, which implements the safety function for protecting the user from electric shock since it conducts only when both ends thereof have been correctly installed into a lamp socket. The LED tube lamp includes an installation detection module configured in the LED tube lamp to detect an installation state between the LED tube lamp and the lamp socket.Type: ApplicationFiled: October 20, 2016Publication date: February 9, 2017Inventors: Xintong Liu, Tao Jiang, Aiming Xiong
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Publication number: 20160381760Abstract: An LED tube lamp having an LED unit is disclosed. The LED tube lamp includes a control circuit that selectively determines whether to perform a first mode or a second mode of lighting operation according to a state of a property of an external driving signal and a switching circuit coupled to the control circuit and the LED unit. When the control circuit determines to perform the first mode of lighting operation, the control circuit controls the second circuit in a manner such that the switching circuit maintains its on state to allow continual current to flow through the LED unit, until the external driving signal is disconnected from the LED tube lamp, and when the control circuit determines to perform the second mode of lighting operation, the control circuit controls the switching circuit in a manner to regulate the continuity of current to flow through the LED unit by alternately turning on and off the switching circuit.Type: ApplicationFiled: September 7, 2016Publication date: December 29, 2016Inventors: Aiming Xiong, Xintong Liu, Xiaojia Wu, Junren Chen
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Patent number: 9526145Abstract: An LED tube lamp includes a first rectifying circuit, a filter circuit, an LED lighting module, and a ballast-compatible circuit. The first rectifying circuit is coupled to a first pin and second pin and is configured to rectify an external driving signal transmitted from the first pin and/or the second pin. The filter circuit is coupled to the first rectifying circuit and is configured to filter the rectified signal by the first rectifying circuit. The LED lighting module is coupled to the filter circuit and receives the filtered signal by the filter circuit to light. The ballast-compatible circuit has two ballast-compatible circuit terminals coupled to the first rectifying circuit and is configured to control the LED tube lamp to light or stop lighting according to the external driving signal.Type: GrantFiled: March 10, 2016Date of Patent: December 20, 2016Assignee: JIAXING SUPER LIGHTING ELECTRIC APPLIANCE CO., LTIInventors: Aiming Xiong, Xintong Liu, Xiaojia Wu
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Patent number: 9521718Abstract: The LED tube lamp includes a lamp tube configured to receive an external driving signal; a rectifying circuit configured to rectify the external driving signal to produce a rectified signal; a filtering circuit coupled to the rectifying circuit, and configured to filter the rectified signal to produce a filtered signal, wherein the filtering circuit has a first filtering output terminal and a second filtering output terminal; an LED lighting module coupled to the filtering circuit, wherein the LED lighting module includes a driving circuit having a first driving output terminal and a second driving output terminal and configured to receive the filtered signal to produce a driving signal, and an LED module configured to receive the driving signal and emit light; and a mode switching circuit coupled to at least one of the first and the second filtering output terminal and at least one of the first and the second driving output terminal, and configured to determine to perform one of a first driving mode and a seType: GrantFiled: March 30, 2016Date of Patent: December 13, 2016Assignee: JIAXING SUPER LIGHTING ELECTRIC APPLIANCE CO., LTIInventors: Aiming Xiong, Xintong Liu
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Publication number: 20160356472Abstract: An LED tube lamp is provided herein, which implements the safety function for protecting the user from electric shock since it conducts only when both ends thereof have been correctly installed into a lamp socket. The LED tube lamp includes an installation detection module configured in the LED tube lamp to detect an installation state between the LED tube lamp and the lamp socket.Type: ApplicationFiled: July 15, 2016Publication date: December 8, 2016Inventors: Xintong Liu, Aiming Xiong, Tao Jiang
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Patent number: 9497821Abstract: An LED tube lamp is provided herein, which implements the safety function for protecting the user from electric shock since it conducts only when both ends thereof have been correctly installed into a lamp socket.Type: GrantFiled: March 10, 2016Date of Patent: November 15, 2016Assignee: JIAXING SUPER LIGHTING ELECTRIC APPLIANCE CO., LTDInventor: Xintong Liu
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Publication number: 20160309550Abstract: An LED tube lamp includes a lamp tube receiving an external driving signal; a rectifying circuit rectifying the external driving signal to produce a rectified signal; a filtering circuit filtering the rectified signal to produce a filtered signal; an LED lighting module comprising a driving circuit and an LED module, the driving circuit, in a first driving mode, receiving the filtered signal to produce a first driving signal for driving the LED module to emit light; and a mode switching circuit receiving the filtered signal as a second driving signal in a second driving mode for driving the LED module to emit light. Wherein, the first driving mode and the second driving mode are determined based on the external driving signal.Type: ApplicationFiled: June 23, 2016Publication date: October 20, 2016Inventors: Aiming Xiong, Xintong Liu
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Publication number: 20160219672Abstract: An LED tube lamp is provided herein, which implements the safety function for protecting the user from electric shock since it conducts only when both ends thereof have been correctly installed into a lamp socket.Type: ApplicationFiled: March 10, 2016Publication date: July 28, 2016Inventor: Xintong Liu
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Publication number: 20160219658Abstract: An LED tube lamp includes a first rectifying circuit, a filter circuit, an LED lighting module, and a ballast-compatible circuit. The first rectifying circuit is coupled to a first pin and second pin and is configured to rectify an external driving signal transmitted from the first pin and/or the second pin. The filter circuit is coupled to the first rectifying circuit and is configured to filter the rectified signal by the first rectifying circuit. The LED lighting module is coupled to the filter circuit and receives the filtered signal by the filter circuit to light. The ballast-compatible circuit has two ballast-compatible circuit terminals coupled to the first rectifying circuit and is configured to control the LED tube lamp to light or stop lighting according to the external driving signal.Type: ApplicationFiled: March 10, 2016Publication date: July 28, 2016Inventors: AIMING XIONG, XINTONG LIU, XIAOJIA WU
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Publication number: 20160212809Abstract: The LED tube lamp includes a lamp tube configured to receive an external driving signal; a rectifying circuit configured to rectify the external driving signal to produce a rectified signal; a filtering circuit coupled to the rectifying circuit, and configured to filter the rectified signal to produce a filtered signal, wherein the filtering circuit has a first filtering output terminal and a second filtering output terminal; an LED lighting module coupled to the filtering circuit, wherein the LED lighting module includes a driving circuit having a first driving output terminal and a second driving output terminal and configured to receive the filtered signal to produce a driving signal, and an LED module configured to receive the driving signal and emit light; and a mode switching circuit coupled to at least one of the first and the second filtering output terminal and at least one of the first and the second driving output terminal, and configured to determine to perform one of a first driving mode and a seType: ApplicationFiled: March 30, 2016Publication date: July 21, 2016Inventors: Aiming Xiong, Xintong Liu
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Publication number: 20160091147Abstract: A light-emitting diode (LED) tube lamp comprises a lamp tube, a first rectifying circuit, a filtering circuit and an LED driving module. The lamp tube has a first pin and a second pin for receiving an external driving signal. The first rectifying circuit is coupled to the first and second pins, for rectifying the external driving signal to produce a rectified signal. The filtering circuit is coupled to the first rectifying circuit, for filtering the rectified signal to produce a filtered signal. The LED driving module is coupled to the filtering circuit to receive the filtered signal for emitting light. Wherein, the filtering circuit includes a capacitor and an inductor connected in parallel and between one of the first and second pins and the first rectifying circuit, and the parallel-connected capacitor and inductor are configured for presenting a peak equivalent impedance to the external driving signal at a specific frequency.Type: ApplicationFiled: September 25, 2015Publication date: March 31, 2016Inventors: Tao Jiang, Liqin Li, Xiaosu Yang, Jun Yang, Yueqiang Zhang, Cheng Wang, Chang Yang, Bao Wang, Nobutaka Ota, Xiao Sun, Aiming Xiong, Hechen Hu, Qifeng Ye, Xintong Liu, Changwei Hu, Guohai Yao, Zhangyong Xiang, Shauliang Chen, Dingkai Wang, Wen-Jang Jiang