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公开(公告)号:US20160381746A1
公开(公告)日:2016-12-29
申请号:US15258068
申请日:2016-09-07
Inventor: Qifeng Ye , Tao Jiang , Yueqiang Zhang
CPC classification number: H05B33/0812 , F21K9/27 , F21K9/278 , F21V23/009 , F21V23/023 , H05B33/0809 , H05B33/0845 , Y02B20/343 , Y02B20/345
Abstract: A power source module for an LED lamp includes a filament-simulating circuit electrically connected to a first bi-pin terminal and a second bi-pin terminal of the LED lamp, each of the first bi-pin terminal and the second bi-pin terminal configured to allow a current to flow from one pin to the other pin via the filament-simulating circuit during a pre-heat process executed by a ballast; a current limiting circuit electrically connected to the filament-simulating circuit configured to limit a current from the filament-simulating circuit; a first rectifier electrically connected to the current limiting circuit configured to rectify the current from the current limiting circuit; and a filter electrically connected between the first rectifier and at least one LED of the LED lamp configured to smooth the current from the first rectifier.
Abstract translation: 用于LED灯的电源模块包括电连接到LED灯的第一双引脚端子和第二双引脚端子的灯丝模拟电路,每个第一双引脚端子和第二双引脚端子 被配置为在由镇流器执行的预热过程期间允许电流通过灯丝模拟电路从一个引脚流向另一个引脚; 电连接到灯丝模拟电路的限流电路,其被配置为限制来自灯丝模拟电路的电流; 电连接到限流电路的第一整流器,被配置为对来自限流电路的电流进行整流; 以及电连接在第一整流器和LED灯的至少一个LED之间的滤波器,其被配置为平滑来自第一整流器的电流。
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公开(公告)号:US20160295706A1
公开(公告)日:2016-10-06
申请号:US14859370
申请日:2015-09-21
Inventor: Tao Jiang
CPC classification number: H05K3/363 , F21K9/272 , F21Y2103/10 , F21Y2107/70 , F21Y2115/10 , H05K1/118 , H05K1/189 , H05K2201/09181 , H05K2201/0969 , H05K2201/10106
Abstract: An LED tube lamp including a lamp tube, an end cap attached to an end of the lamp tube, a power supply disposed in the end cap, and an LED light bar disposed inside the lamp tube. The LED light bar is mounted with LED light sources which are electrically connected to the power supply by way of the LED light bar. The LED light bar includes a bendable circuit sheet which is longer than the lamp tube. A soldering pad is configured and disposed at an end of the bendable circuit sheet. The soldering pad is formed with a through-hole or a notch to allow tin solder to pass through when soldering such that the bendable circuit sheet can be directly soldered and electrically connected to the power supply.
Abstract translation: 一种LED管灯,包括灯管,安装在灯管端部的端盖,设置在端盖中的电源以及设置在灯管内部的LED灯条。 LED灯条安装有LED光源,LED光源通过LED灯条电连接到电源。 LED灯条包括比灯管长的可弯曲电路板。 焊盘被配置并设置在可弯曲电路板的端部。 焊盘形成有通孔或凹口,以允许锡焊料在焊接时通过,使得可弯曲电路板可以直接焊接并电连接到电源。
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公开(公告)号:US20160091147A1
公开(公告)日:2016-03-31
申请号:US14865387
申请日:2015-09-25
Inventor: 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
CPC classification number: F21K9/278 , B23K1/0016 , B23K3/047 , B23K2101/42 , C03C21/002 , C03C27/048 , F21K9/1375 , F21K9/235 , F21K9/27 , F21K9/272 , F21K9/275 , F21K9/68 , F21V3/061 , F21V3/10 , F21V7/22 , F21V15/015 , F21V17/101 , F21V23/009 , F21V23/02 , F21V25/02 , F21V25/04 , F21V29/70 , F21V29/83 , F21Y2101/00 , F21Y2103/00 , F21Y2103/10 , F21Y2115/10 , H05B6/105 , H05B33/0803 , H05B33/0809 , H05B33/0815 , H05B33/0845 , H05B33/0884 , H05B33/089
Abstract: 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.
Abstract translation: 发光二极管(LED)管灯包括灯管,第一整流电路,滤波电路和LED驱动模块。 灯管具有用于接收外部驱动信号的第一引脚和第二引脚。 第一整流电路耦合到第一和第二引脚,用于整流外部驱动信号以产生整流信号。 滤波电路耦合到第一整流电路,用于滤波整流信号以产生滤波信号。 LED驱动模块耦合到滤波电路以接收用于发光的滤波信号。 其中,滤波电路包括并联连接的电容器和电感器,以及第一和第二引脚和第一整流电路之一,并联连接的电容器和电感器被配置为向外部驱动信号呈现峰值等效阻抗 在特定频率。
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公开(公告)号:US12140299B2
公开(公告)日:2024-11-12
申请号:US18387058
申请日:2023-11-06
Inventor: Tao Jiang , Mingbin Wang , Aiming Xiong , Lin Zhou
IPC: F21V29/77 , F21K9/233 , F21K9/66 , F21V23/00 , F21V29/508 , F21V29/74 , F21V29/83 , F21Y103/33 , F21Y105/18 , F21Y115/10
Abstract: An LED lamp includes: a lamp shell having a circular cross-section along a central axis of the lamp shell comprising a lamp neck and a sleeve; a heat sink comprising a plurality of fins, sleeving over the sleeve and connecting to the lamp neck; a power source comprising a power board and a plurality of electronic components mounted thereon disposed in the lamp neck and the sleeve; a light board comprising an opening at center portion and disposed at second end of the heat sink and physically and thermally connecting to the heat sink; a plurality of LED chips mounted on the light board and electrically connecting to the power source; and a lamp cover disposed at the second end of the heat sink and covering the plurality of LED chips; wherein the sleeve and the opening of the light board defines a first heat dissipating channel, the plurality of fins and the opening of the light board defines a second heat dissipating channel, the first heat dissipating channel and the second heat dissipating channel share the opening of the light board, and the power source is disposed in the first heat dissipating channel.
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公开(公告)号:US20240130022A1
公开(公告)日:2024-04-18
申请号:US18249451
申请日:2022-09-18
Inventor: Tao Jiang , Lin Zhou , Ming-Bin Wang , Chih-Shan Yu , Rong-Huan Yang , Ji-Feng Xu , Heng Zhao , Jian Lu , Qi Wu
IPC: H05B45/54 , H05B45/345
CPC classification number: H05B45/54 , H05B45/345
Abstract: This application relates to the field of lighting, and discloses an LED filament. The LED filament includes an LED chip unit, a light conversion layer, and an electrode. The light conversion layer covers the LED chip unit and part of the electrode, and a color of a light emitted by the LED filament after lighting is different from a color of the light conversion layer. This application has the characteristics of uniform light emission and good heat dissipation effect.
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公开(公告)号:US11774085B2
公开(公告)日:2023-10-03
申请号:US17537534
申请日:2021-11-30
Inventor: Mingbin Wang , Tao Jiang
IPC: F21V29/76 , F21K9/23 , F21V23/00 , F21Y115/10
CPC classification number: F21V29/763 , F21K9/23 , F21V23/009 , F21Y2115/10
Abstract: An LED lighting device, comprises a first portion, comprising a lamp cap; a second portion, connected with the first portion, comprising a case and a power supply, and the power supply is disposed in the case; and a third portion, connected with the second portion, comprising a heat exchange unit and a light emission unit connected with each other, and the light emission unit and the power supply are electrically connected. A distance b from a junction face of the first portion and the second portion to a plane where a center of gravity of the LED lighting device is located satisfies:
(L2+L3)/5-
公开(公告)号:US20230296211A1
公开(公告)日:2023-09-21
申请号:US18134634
申请日:2023-04-14
Inventor: Tao Jiang , QIFENG YE , AIMING XIONG , YUEQIANG ZHANG
IPC: F21K9/275 , F21K9/272 , F21K9/278 , F21V19/00 , F21V23/02 , F21V3/02 , F21V7/00 , F21V31/00 , F21V3/06 , F21V29/83
CPC classification number: F21K9/275 , F21K9/272 , F21K9/278 , F21V19/001 , F21V19/009 , F21V23/02 , F21V3/02 , F21V7/005 , F21V31/005 , F21V3/061 , F21V29/83 , F21Y2115/10
Abstract: An LED tube lamp comprises a glass tube; a diffusive layer covered on the glass tube; two end caps coupled to the glass tube; a light strip attached inside the glass tube and comprises a first set of connecting pads; a plurality of light sources; and a power supply module comprises a circuit board, a rectifying circuit, and a filtering circuit. The circuit board comprises a first surface, a second surface opposite to and substantially parallel to the first surface and the axial direction of the glass tube, and a second set of connecting pads arranged on one of the surfaces. The light strip, a portion of the circuit board being stacked with the light strip, and at least one set of the connecting pads is disposed between the light strip and the portion of the circuit board are stacked sequentially in a radial direction of the glass tube.
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公开(公告)号:US11649934B2
公开(公告)日:2023-05-16
申请号:US16936782
申请日:2020-07-23
Inventor: Tao Jiang , Qifeng Ye , Yueqiang Zhang , Aiming Xiong
IPC: H05B33/08 , F21V23/00 , F21K9/275 , F21K9/272 , F21K9/278 , F21V19/00 , F21V23/02 , F21V3/02 , F21V7/00 , F21V31/00 , F21V3/06 , F21V29/83 , F21Y115/10 , F21Y103/10
CPC classification number: F21K9/275 , F21K9/272 , F21K9/278 , F21V3/02 , F21V3/061 , F21V7/005 , F21V19/001 , F21V19/009 , F21V23/02 , F21V29/83 , F21V31/005 , F21Y2103/10 , F21Y2115/10
Abstract: An LED tube lamp comprises a lamp tube, a diffusive layer covered on a surface of the lamp tube, two end caps, a light strip, LED light sources on the light strip, and a power supply. Each of the two end caps is coupled to a respective end of the lamp tube. The light strip is attached to an inner circumferential surface of the lamp tube. The power supply module comprises a printed circuit board electrically connected to the light strip, a rectifying circuit and a filtering circuit coupled to the rectifying circuit. An end of the light strip is detached from the inner circumferential surface of the lamp tube and electrically connected to the printed circuit board.
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