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公开(公告)号:US09890936B2
公开(公告)日:2018-02-13
申请号:US14726463
申请日:2015-05-30
Inventor: Tao Jiang , Xiao-Su Yang
IPC: F21V21/00 , F21V19/00 , F21K9/235 , F21Y103/00
CPC classification number: F21V11/00 , F21K9/235 , F21K9/272 , F21K9/68 , F21V3/02 , F21V3/061 , F21V7/005 , F21V17/101 , F21V19/009 , F21Y2103/00 , F21Y2113/10 , F21Y2115/10
Abstract: An LED tube light includes a light tube and an end cap attached over an end of light tube. The end cap includes an insulating tubular part, sleeved over the end of the light tube. A magnetic object is disposed between an inner circumferential surface of the insulating tubular part and an outer circumferential surface of the end of light tube. A hot melt adhesive is also disposed between the inner circumferential surface of the insulating tubular part and an outer circumferential surface of the end of light tube. The insulating tubular part may have protruding portions formed on an inner circumferential surface of the insulating tubular part to be extending inwardly thereof, and disposed between an outer circumferential surface of the magnetic object and the inner circumferential surface of the insulating tubular part, thereby forming a gap therebetween.
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公开(公告)号:US09890909B2
公开(公告)日:2018-02-13
申请号:US15298272
申请日:2016-10-20
Inventor: Xintong Liu , Tao Jiang , Aiming Xiong , Liqin Li
IPC: 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 classification number: 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
Abstract: 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.
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公开(公告)号:US09879852B2
公开(公告)日:2018-01-30
申请号:US15087088
申请日:2016-03-31
Inventor: Tao Jiang
IPC: H05B37/00 , H05B39/00 , F21V29/83 , H05B33/08 , F21V29/508 , F21K9/272 , F21V17/10 , F21V23/02 , F21V3/02 , F21Y103/10 , F21Y115/10 , F21K9/66 , H05K1/11 , H05K1/18
CPC classification number: F21V29/83 , F21K9/272 , F21K9/66 , F21V3/02 , F21V17/101 , F21V23/02 , F21V23/023 , F21V29/508 , F21Y2103/10 , F21Y2115/10 , H05B33/0803 , H05B33/0809 , H05K1/118 , H05K1/189 , H05K2201/10106
Abstract: An LED tube lamp including a glass lamp tube, an LED light strip disposed inside the glass lamp tube, and an end cap attached over an end of glass lamp tube is disclosed. The glass lamp tube includes a main body region, a rear end region, and a two-arc-shaped transition region connecting the main body region and the rear end region. The LED light strip includes a bendable circuit sheet being longer than the glass lamp tube to form a freely extending end portion. In addition, the end cap has at least one opening on surface to dissipating heat resulting from power supply and/or the process of heating of a hot melt adhesive.
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公开(公告)号:US09835312B2
公开(公告)日:2017-12-05
申请号:US14726464
申请日:2015-05-30
Inventor: Tao Jiang , Xiao-Su Yang
IPC: F21V21/00 , F21V11/00 , F21V3/02 , F21V3/04 , F21V19/00 , F21K9/272 , F21K9/68 , F21V17/10 , F21V7/00 , F21Y115/10 , F21Y113/10
CPC classification number: F21V11/00 , F21K9/235 , F21K9/272 , F21K9/68 , F21V3/02 , F21V3/061 , F21V7/005 , F21V17/101 , F21V19/009 , F21Y2103/00 , F21Y2113/10 , F21Y2115/10
Abstract: LED tube light including light tube and end cap, in which end cap includes an insulating tubular part and a thermal conductive ring, thermal conductive ring fixedly arranged on outer circumferential surface of insulating tubular part, end cap sleeved over an end of light tube, and thermal conductive ring adhesively bonded to light tube is disclosed herein. Insulating tubular part has first and second tubular parts that are connected along axial direction of light tube, outer diameter of second tubular part is less than outer diameter of first tubular part, and thermal conductive ring is sleeved over second tubular part, in which outer surface of thermal conductive ring and outer circumferential surface of first tubular part are substantially flush with each other. End of second tubular part has notches, spatially arranged along circumferential direction thereof. Thermal conductive ring can be tubular metal ring, and insulating tubular part can be plastic.
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公开(公告)号:US20170159923A1
公开(公告)日:2017-06-08
申请号:US15426785
申请日:2017-02-07
Inventor: Xintong Liu , Aiming Xiong , Tao Jiang
CPC classification number: 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
Abstract: 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.
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公开(公告)号:USD779344S1
公开(公告)日:2017-02-21
申请号:US29522570
申请日:2015-03-31
Designer: Tao Jiang , Zhang-Yong Xiang
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公开(公告)号:USD1058864S1
公开(公告)日:2025-01-21
申请号:US29823359
申请日:2022-01-17
Designer: Tao Jiang , Nanyi Jiang
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公开(公告)号:US12188653B2
公开(公告)日:2025-01-07
申请号:US17775307
申请日:2021-12-31
Inventor: Mingbin Wang , Zhichao Zhang , Dongmei Zhang , Jifeng Xu , Tao Jiang , Kuan Lin
IPC: F21V7/00 , F21K9/62 , F21K9/69 , F21V5/00 , F21V19/00 , F21V23/06 , F21Y105/10 , F21Y105/16 , F21Y113/00 , F21Y115/10
Abstract: An LED lighting device includes a seat, an optical assembly and a light source. The seat has a baseplate and a sidewall. A chamber is formed between the baseplate and the sidewall. The optical assembly completely covers a light-emitting side of the LED lighting device. The light source is disposed in the chamber of the seat and includes multiple LED arrays. Each LED array includes an LED chip. The optical assembly includes an optical unit. The optical unit includes multiple first optical members and multiple second optical members corresponding to the first optical members. The LED arrays correspond to the first optical members. Each first optical member possesses an effect of light diffusion resulting from its own material property. Each second optical member includes one or more sets of optical walls. Each set of optical walls surrounds one of the first optical members.
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公开(公告)号:US12173891B2
公开(公告)日:2024-12-24
申请号:US18369143
申请日:2023-09-16
Inventor: Mingbin Wang , Zhichao Zhang , Dongmei Zhang , Jifeng Xu , Tao Jiang , Kuan Lin
IPC: F21V7/00 , F21K9/62 , F21K9/69 , F21V5/00 , F21V19/00 , F21V23/06 , F21Y105/10 , F21Y105/16 , F21Y113/00 , F21Y115/10
Abstract: An LED lighting device includes a seat having a baseplate, a sidewall, and an end wall. The first end of the sidewall is connected to a periphery of the baseplate and forms a chamber with the baseplate. The second end of the sidewall is connected to the end wall and forms a receiving space with the end wall. A light source containing a plurality of LED arrays is disposed in the chamber. An electric power source is disposed in the receiving space, and an optical assembly is disposed on the light source. The optical assembly includes a plurality of first optical members and a plurality of second optical members. Each of the first optical members covers one of the LED arrays. Each of the second optical members includes a set of optical walls surrounding one of the first optical members.
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公开(公告)号:US12173855B2
公开(公告)日:2024-12-24
申请号:US18134634
申请日:2023-04-14
Inventor: Tao Jiang , Qi-Feng Ye , Aiming Xiong , Yue-Qiang Zhang
IPC: F21K9/275 , F21K9/272 , F21K9/278 , F21V3/02 , F21V3/06 , F21V7/00 , F21V19/00 , F21V23/02 , F21V29/83 , F21V31/00 , F21Y103/10 , F21Y115/10
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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