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公开(公告)号：US20180306416A1
公开(公告)日：2018-10-25
申请号：US15614475
申请日：2017-06-05
发明人： Maojin Zeng , Xiaobo Chen , Liangliang Cao , Dingwei Liang
摘要： A downlight fixing structure is provided. The downlight fixing structure comprises a housing and a spring. The housing is for accommodating light components. The housing has an insertion lock structure on a side of the housing. The spring comprises a coil portion, a head portion, and a tail portion. The coil portion, the head portion and the tail portion are formed by the same metal wire. The head portion is inserted into the insertion lock structure.
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公开(公告)号：US20180283620A1
公开(公告)日：2018-10-04
申请号：US15860670
申请日：2018-01-03
发明人： Liangliang Cao , Lilei Su , Wanzhen Li , Maojin Zeng , Xiaojuan Huang , Lianwei Zhang , Mingyan Fu
CPC分类号： F21K9/237 , F21K9/232 , F21K9/238 , F21V17/101 , F21V19/005 , F21V29/508 , F21V29/74 , F21V29/89 , F21Y2107/50 , F21Y2115/10
摘要： A lighting device includes a filament, a filament fixing element, a driving circuit, a lamp holder and a bulb shell. The filament has a long strip bottom, installed with a plurality of LED modules. The filament fixing element has a bearing surface and a heat dissipation part. The bearing surface connects to the long strip bottom of the filament. The heat dissipation part is connected to the bearing surface to dissipate the heat. The driving circuit provides a suitable current to the filament for emitting light. The lamp holder houses the drive circuit and carries the filament fixing element. The bulb shell and the lamp holder constitute an accommodating space for receiving the filament and the filament fixing element.
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公开(公告)号：US20180238499A1
公开(公告)日：2018-08-23
申请号：US15471824
申请日：2017-03-28
发明人： Yunnan Lin , Chen Li , Lilei Su , Xianghua Lin , Xiaobo Chen , Liangliang Cao
IPC分类号： F21K9/232 , F21K9/90 , F21K9/238 , F21V23/00 , F21V29/503
摘要： A method of installing a light emitting diode light bar into a bulb is provided. Place the light bar module into the light bulb shell. The light bar module has a plurality of light emitting diode light bars and an expansion structure. The expansion structure is not expanded and is disposed among multiple light emitting diode light bars. Each light emitting diode light bar has a certain degree of flexibility. Expanding the expansion structure then, therefore multiple light emitting diode light bars are individually bent and deformed toward the bulb shell direction. Next, remove the expansion module and install other components of the bulb.
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公开(公告)号：US20180112833A1
公开(公告)日：2018-04-26
申请号：US15435296
申请日：2017-02-17
发明人： Liangliang Cao , Lilei Su , Wanzhen Li
CPC分类号： F21K9/237 , F21K9/232 , F21K9/238 , F21K9/90 , F21V3/02 , F21V17/101 , F21V23/06 , F21V29/89 , F21Y2107/70 , F21Y2115/10
摘要： A method for installing a LED light bar into a light bulb. First, place a light module into bulb shell. The light bar module has a plurality of LED light bars and expansion structure. The expansion structure is unexpanded and disposed between the plurality of LED light bars. Each LED light bar has a certain bending property. Expending the expansion structure could make the plurality of LED light bars bent to the direction of bulb shell individually. And then, remove the expansion module and install the other components of the bulb.
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公开(公告)号：US11346506B2
公开(公告)日：2022-05-31
申请号：US17062070
申请日：2020-10-02
发明人： Liangliang Cao , Yuxin Huang
IPC分类号： F21K9/232 , F21V29/70 , F21K9/66 , F21K9/238 , F21K9/235 , H05B45/20 , F21Y113/13 , F21Y115/10 , F21Y107/70
摘要： An light bulb includes a bulb housing, a heat sink, and a head housing arranged in series along a longitudinal axis of the light bulb. The light bulb includes a first filament having a first LED chip capable of emitting a first light with a first color characteristic, and a second filament having a second LED chip capable of emitting a second light with a second color characteristic. The first filament and the second filament are spiral along a transverse axis perpendicular to the longitudinal axis of the light bulb. The light bulb further includes a driving module configured to enable one or a combination of the first filament and the second filament to emit light.
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公开(公告)号：US11217568B2
公开(公告)日：2022-01-04
申请号：US17240105
申请日：2021-04-26
发明人： Yanbiao Chen , Qiyuan Wang , Huiwu Chen , Hongkui Jiang , Liangliang Cao , Yongshu Zheng
IPC分类号： F21K9/232 , H01L25/075 , H05K1/18 , F21V19/00 , F21Y113/13 , F21Y115/10
摘要： An LED filament assembly includes a frame, a first electrode disposed on a first end of the frame, and a second electrode disposed on a second end of the frame. The LED filament assembly includes a first group of LED chips capable of emitting a first color, a second group of LED chips capable of emitting a second color, and a third group of LED chips capable of emitting a third color. The first group of LED chips is disposed on the frame along a longitudinal axis, connected in series, and electrically connected to the first electrode and the second electrode. Similarly, the second and the third group of LED chips are also disposed on the frame along the longitudinal axis, connected in series, and electrically connected to the first electrode and the second electrode. A lamp including such an LED filament assembly is also disclosed.
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公开(公告)号：US20210090875A1
公开(公告)日：2021-03-25
申请号：US17115495
申请日：2020-12-08
发明人： Mingyan Fu , Liangliang Cao , Lilei Su , Dingwei Liang
IPC分类号： H01K1/16 , H01K1/58 , H01K3/06 , H01K3/16 , H01K5/00 , H01K1/42 , F21K9/235 , F21K9/237 , F21K9/232
摘要： A conductive structure comprising: a plurality of conductive devices; a first conductive spring sheet, comprising a first connecting point; and a second conductive spring sheet, comprising a second connecting point. Each of the conductive devices comprises a first conductive end and a second conductive end. The second conductive end is connected to the second connecting point, and the first conductive end is connected to the first connecting point corresponding to the second connecting point to which the second conductive end is connected.
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公开(公告)号：US20200263837A1
公开(公告)日：2020-08-20
申请号：US16405509
申请日：2019-05-07
发明人： Liangliang Cao , Wei Liu , Feihua He , Fengyu Yan
摘要： A smart LED lighting apparatus with communication capabilities. The lighting apparatus includes a main body, a bulb body, a head body, a LED module for emitting light, and a communication module for providing wireless communication. The bulb body is connected to a first end of the main body. The head body is connected to a second end of the main body and configured to be connected to an electrical socket for receiving power. The lighting apparatus further includes a composite printed circuit board having a first sub-board and a second sub-board physically coupled to the first sub-board. The communication module is located on the first sub-board and the light LED module is located on the second sub-board.
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公开(公告)号：US10690292B1
公开(公告)日：2020-06-23
申请号：US16432919
申请日：2019-06-05
发明人： Liangliang Cao , Yuxin Huang
IPC分类号： F21K9/232 , F21K9/238 , F21K9/235 , F21K9/66 , F21V29/70 , H05B45/20 , F21Y107/70 , F21Y115/10 , F21Y113/13
摘要： A light bulb includes a bulb housing, a heat sink, and a head housing arranged in series along a longitudinal axis of the light bulb. The light bulb includes a first filament having a first LED chip capable of emitting a first light with a first color characteristic, and a second filament having a second LED chip capable of emitting a second light with a second color characteristic. The first filament and the second filament are spiral along a transverse axis perpendicular to the longitudinal axis of the light bulb. The light bulb further includes a driving module configured to enable one or a combination of the first filament and the second filament to emit light.
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公开(公告)号：US20200185213A1
公开(公告)日：2020-06-11
申请号：US16793890
申请日：2020-02-18
发明人： Mingyan Fu , Liangliang Cao , Lilei Su , Dingwei Liang
IPC分类号： H01K1/16 , F21K9/237 , F21K9/235 , H01K1/42 , H01K5/00 , H01K3/16 , H01K3/06 , H01K1/58 , F21K9/232
摘要： A conductive structure comprising: a plurality of conductive devices ; a first conductive spring sheet, comprising a first connecting point; and a second conductive spring sheet, comprising a second connecting point. Each of the conductive devices comprises a first conductive end and a second conductive end. The second conductive end is connected to the second connecting point, and the first conductive end is connected to the first connecting point corresponding to the second connecting point to which the second conductive end is connected.
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