-
公开(公告)号：US10900620B2
公开(公告)日：2021-01-26
申请号：US16587812
申请日：2019-09-30
发明人： Aiming Xiong , Xintong Liu
IPC分类号： H05B37/00 , H05B41/00 , F21K9/278 , H05K1/00 , F21V23/00 , F21V25/02 , F21K9/272 , F21V29/70 , F21V23/02 , F21K9/275 , F21V15/015 , F21V3/06 , H05B45/00 , H05B45/10 , H05B45/20 , H05B45/37 , H05B45/50 , F21Y115/10 , F21V29/83 , F21Y103/10
摘要： A light-emitting diode (LED) tube lamp comprising a tube, end caps with contact pins and located on both ends of the tube, a first rectifying circuit and a second rectifying circuit and a filtering circuit that are coupled with the contact pins on the two end caps respectively, and a switch circuitry that is located between the rectifying circuits and the filtering circuit characterized in that the switch circuitry is capable of detecting whether the LED tube lamp is correctly installed on a lamp socket so as to reduce the risk of electric shock.
-
2.发明申请公开(公告)号：US20200149690A1
公开(公告)日：2020-05-14
申请号：US16740400
申请日：2020-01-11
发明人： Aiming XIONG , Xintong Liu , Xiaojia Wu
IPC分类号： F21K9/278 , F21V3/10 , F21V3/06 , F21V15/015 , F21V23/00 , B23K1/00 , B23K3/047 , F21K9/275 , F21V29/83 , F21V23/02 , F21V17/10 , H05B45/50 , H05B45/37
摘要： An LED tube lamp comprises an LED module for emitting light; a rectifying circuit for rectifying an input external driving signal to produce a rectified signal; and a ballast interface circuit coupled to the LED module and comprising a detection circuit configured to determine that the external driving signal is a high frequency or high voltage signal when the voltage level of the rectified signal is higher than a predefined first threshold level. The ballast interface circuit causes an open circuit for the LED module when the voltage level of the rectified signal is higher than a predefined second threshold level but lower than the predefined first threshold level. And the ballast interface circuit causes current conduction in the LED module when the voltage level of the rectified signal, as based on an external driving signal from an inductive ballast, is lower than the predefined second threshold level.
-
公开(公告)号：US20190383448A1
公开(公告)日：2019-12-19
申请号：US16554649
申请日：2019-08-29
发明人： Aiming Xiong , Xintong Liu
IPC分类号： F21K9/278 , F21V3/10 , F21V3/06 , F21V15/015 , F21V23/00 , H05B33/08 , B23K1/00 , B23K3/047 , F21K9/275 , F21V29/83 , F21V23/02 , F21V17/10
摘要： A mode switching circuit is configured to change a signal path in a light-emitting diode (LED) tube lamp and comprises: at least one switch, configured to receive a filtered signal as a driving signal to drive an LED module in the LED tube lamp to emit light, and when a frequency of an external driving signal received by the LED tube lamp is higher than a mode switching frequency, output the driving signal to the LED module. The LED tube lamp comprises an auxiliary power module coupled to provide auxiliary power for the LED module to emit light; and the mode switching circuit is on a printed circuit board and is electrically connected to the LED module on a bendable circuit sheet in the LED tube lamp, wherein the bendable circuit sheet is disposed below the printed circuit board to be electrically connected to the printed circuit board by soldering.
-
公开(公告)号：US20190264879A1
公开(公告)日：2019-08-29
申请号：US16402576
申请日：2019-05-03
发明人： Aiming Xiong , Xintong Liu
IPC分类号： F21K9/278 , F21K9/272 , F21K9/275 , H05K1/00 , H05B33/08 , F21V23/00 , F21V25/02 , F21V29/70 , F21V23/02 , F21V15/015 , F21V3/06
摘要： A driving method for driving an LED tube lamp is disclosed. The LED tube lamp includes a lamp tube, two end caps, an LED module, and a power supply module including an electric shock detection circuit. The driving method is capable of detecting whether a human touches the conductive part of the LED tube lamp when one end of the LED tube lamp has been inserted into a lamp socket.
-
公开(公告)号：US20190186699A1
公开(公告)日：2019-06-20
申请号：US16263020
申请日：2019-01-31
发明人： Aiming Xiong , Xintong Liu
IPC分类号： F21K9/278 , F21V23/02 , F21K9/27 , F21V29/70 , F21V23/00 , H05B33/08 , F21V3/06 , F21K9/275 , F21K9/272 , F21V25/02 , F21V15/015
CPC分类号： F21K9/278 , F21K9/27 , F21K9/272 , F21K9/275 , F21V3/061 , F21V15/015 , F21V23/003 , F21V23/005 , F21V23/02 , F21V23/023 , F21V25/02 , F21V29/70 , F21V29/83 , F21Y2103/10 , F21Y2115/10 , H05B33/0803 , H05B33/0815 , H05B33/0845 , H05B33/0857 , H05B33/0887
摘要： A light-emitting diode (LED) tube lamp adapted to install on a lamp socket and configured to emit light when receiving an external driving signal without the external driving signal passing through or being output from a ballast includes a lamp tube, two end caps, each having at least one external connection terminal, a rectifying circuit, for rectifying the external driving signal to produce a rectified signal; a filtering circuit, for filtering the rectified signal to produce a filtered signal; an LED module, disposed on a power loop of the LED tube lamp, coupled to the filtering circuit, and configured for emitting light; a driving circuit coupled between the rectifying circuit and the LED module, and configured to drive the LED module; a mode determination circuit coupled to the rectifying circuit and the driving circuit and configured to detect the voltage level of the rectified signal; a switch circuit; and an installation detection circuit coupled to the mode determination circuit, the switch circuit, and the rectifying circuit; and configured to detect an installation state between the LED tube lamp and a lamp socket based on the voltage level of the rectified signal detected by the mode determination circuit.
-
公开(公告)号：US10197225B2
公开(公告)日：2019-02-05
申请号：US15949174
申请日：2018-04-10
发明人： Aiming Xiong , Xintong Liu
IPC分类号： H05B37/00 , H05B41/00 , F21K9/278 , F21V3/06 , F21V23/00 , H05B33/08 , F21K9/272 , F21V25/02 , F21V29/70 , F21K9/275 , F21V15/015 , F21V23/02 , F21V29/83 , F21Y115/10 , F21Y103/10
摘要： A light-emitting diode (LED) tube lamp adapted to install on a lamp socket and configured to receive an external driving signal without the external driving signal passing through a ballast includes a lamp tube, two end caps, each having at least one external connection terminal, a rectifying circuit, for rectifying the external driving signal to produce a rectified signal; a filtering circuit, for filtering the rectified signal to produce a filtered signal; an LED module, disposed on a power loop of the LED tube lamp, coupled to the filtering circuit, and configured for emitting light; a driving circuit coupled between the rectifying circuit and the LED module, and configured to drive the LED module; a mode determination circuit coupled to the rectifying circuit and the driving circuit and configured to detect the voltage level of the rectified signal; a switch circuit; and an installation detection circuit coupled to the mode determination circuit, the switch circuit, and the rectifying circuit; and configured to detect an installation state between the LED tube lamp and a lamp socket based on the voltage level of the rectified signal detected by the mode determination circuit.
-
公开(公告)号：US09913336B2
公开(公告)日：2018-03-06
申请号：US15454228
申请日：2017-03-09
发明人： Aiming Xiong , Xintong Liu , Yueqiang Zhang , Caihua Wang
IPC分类号： H05B33/08 , F21K9/27 , F21K9/278 , F21Y115/10 , F21Y103/10 , F21V25/02 , F21K9/275
CPC分类号： H05B33/0845 , F21K9/27 , F21K9/275 , F21K9/278 , F21V25/02 , F21Y2103/10 , F21Y2115/10 , H05B33/0803 , H05B33/0809 , H05B33/0815 , H05B33/0842 , H05B33/089
摘要： A light emitting diode (LED) tube lamp includes: a lamp tube, for receiving an external driving signal, a rectifying circuit, a filtering circuit, and an LED module coupled to the filtering circuit and configured to receive a filtered signal for emitting light, wherein the LED module comprises an LED unit, a current-limiting element for receiving the external driving signal, the current-limiting element coupled to one or more of the external connection terminals, and coupled to or in the rectifying circuit, and a ballast interface circuit coupled to the current-limiting element and having a first terminal and a second terminal, for the LED tube lamp to be compatible with a ballast providing the external driving signal, wherein the ballast interface circuit comprises a detection circuit and a switching circuit coupled to the detection circuit, and the ballast interface circuit is configured to detect whether the external driving signal comes from a ballast, and to conduct or cut off the switching circuit based on a result of the detection. The detection circuit is configured such that, when the external driving signal is from a ballast and is being input to the LED tube lamp, the detection circuit conducts the switching circuit according to a state of a property of a detection signal transmitted through the first terminal and the second terminal.
-
公开(公告)号：US09890909B2
公开(公告)日：2018-02-13
申请号：US15298272
申请日：2016-10-20
发明人： Xintong Liu , Tao Jiang , Aiming Xiong , Liqin Li
IPC分类号： H05B37/00 , H05B39/00 , H05B41/14 , F21K9/278 , H05B33/08 , F21V23/00 , F21V29/83 , F21K9/27 , F21V23/02 , F21K9/272 , F21V25/04 , F21Y103/10 , F21Y115/10 , F21Y101/00
CPC分类号： F21K9/278 , F21K9/27 , F21K9/272 , F21V23/009 , F21V23/02 , F21V25/04 , F21V29/83 , F21Y2101/00 , F21Y2103/10 , F21Y2115/10 , H05B33/0803 , H05B33/0809 , H05B33/0884 , Y02B20/341
摘要： 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. The installation detection module includes: a detection pulse generating module, configured to generate a first pulse signal; a detection result latching circuit, configured to receive and output the first pulse signal; a switch circuit, configured to receive the first pulse signal from the detection result latching circuit, and configured to maintain a conductive state of the switch circuit during the first pulse to cause a power loop of the LED tube lamp to be conductive; and a detection determining circuit, configured to detect a first sampling signal on the power loop so as to determine the installation state between the LED tube lamp and the lamp socket.
-
公开(公告)号：US20170159923A1
公开(公告)日：2017-06-08
申请号：US15426785
申请日：2017-02-07
发明人： Xintong Liu , Aiming Xiong , Tao Jiang
IPC分类号： F21V25/02 , F21V15/015 , F21V29/10 , H05B33/08 , F21V3/02 , F21V23/02 , F21K9/272 , F21K9/278
CPC分类号： F21V25/02 , F21K9/272 , F21K9/278 , F21V3/02 , F21V15/015 , F21V23/023 , F21V29/10 , F21Y2103/10 , F21Y2115/10 , H05B33/0815 , H05B33/0845 , H05B33/0857 , H05B33/0884 , H05B33/089 , Y02B20/341
摘要： 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 a lamp tube; two end caps, each having an external connection terminal, and each coupled to a respective end of the lamp tube, wherein the external connection terminals are configured to receive an external driving signal; an LED module, configured to emit light based on the external driving signal; and an installation detection module, coupled on a power loop of the LED tube lamp and configured to detect a sampling signal on the power loop and compare the sampling signal with a predefined signal, wherein when a signal level of the sampling signal is smaller than the predefined signal, the installation detection module limits a current on the power loop less than 5 MIU.
-
公开(公告)号：US09526145B2
公开(公告)日：2016-12-20
申请号：US15065892
申请日：2016-03-10
发明人： Aiming Xiong , Xintong Liu , Xiaojia Wu
CPC分类号： H05B33/089 , F21K9/27 , F21V7/005 , F21V23/02 , F21V29/83 , F21Y2101/00 , F21Y2103/10 , F21Y2115/10 , H05B33/0803 , H05B33/0809
摘要： 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.
摘要翻译： LED管灯包括第一整流电路，滤波器电路，LED照明模块和镇流器兼容电路。 第一整流电路耦合到第一引脚和第二引脚，并被配置为整流从第一引脚和/或第二引脚传输的外部驱动信号。 滤波电路耦合到第一整流电路，并且被配置为通过第一整流电路对整流信号进行滤波。 LED照明模块耦合到滤波电路，并将滤波电路的滤波信号接收到光。 镇流器兼容电路具有耦合到第一整流电路的两个镇流器兼容电路端子，并且被配置为根据外部驱动信号来控制LED管灯点亮或停止点亮。
-
-
-
-
-
-
-
-
-
搜索结果
86 条记录 (耗时 0.154 秒)
