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公开(公告)号：US11028970B2
公开(公告)日：2021-06-08
申请号：US16279972
申请日：2019-02-19
Inventor： Tao Jiang , Wei-Hong Xu , Yukihiro Saito , Hayato Unagiike , Ai-Ming Xiong , Jun-Feng Xu , Yi-Ching Chen
IPC: F21K9/61 , F21K9/232 , F21V15/04 , H05B33/08 , H01L33/00 , H05B45/00 , F21Y115/10 , F21Y107/70 , H01L33/50 , H01L33/54 , H01L33/62
Abstract: An light bulb, comprising: a lamp housing with inner surface and outer surface opposite to the inner surface of the lamp housing, the lamp housing includes a layer of luminescent material, which is formed on the inner surface or the outer surface of the lamp housing or integrated in the material of the lamp housing; a bulb base connected to the lamp housing; a stem connected to the bulb base and located in the lamp housing; and a single filament, disposed in the light housing.
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公开(公告)号：US10982819B2
公开(公告)日：2021-04-20
申请号：US16408484
申请日：2019-05-10
Inventor： Tao Jiang , Wei-Hong Xu , Yukihiro Saito , Hayato Unagiike , Ai-Ming Xiong , Jun-Feng Xu , Yi-Ching Chen
Abstract: An LED light bulb, consisting of: a lamp housing with inner surface and outer surface opposite to the inner surface of the lamp housing, the lamp housing includes a layer of luminescent material which is formed on the inner surface or the outer surface of the lamp housing or integrated in the material of the lamp housing; a bulb base connected to the lamp housing; a stem connected to the bulb base and located in the lamp housing, the stem comprises a stand extending to the center of the lamp housing; and a single filament, disposed in the light housing, a plurality of supporting arms, each of the supporting arms comprises a first end and a second end opposite to the first end of the supporting arms, the first end of each of the supporting arms is connected with the stand while the second end of each of the supporting arms is connected with LED filament.
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公开(公告)号：US10982816B2
公开(公告)日：2021-04-20
申请号：US16380972
申请日：2019-04-10
Inventor： Tao Jiang , Wei-Hong Xu , Yukihiro Saito , Hayato Unagiike , Ai-Ming Xiong , Jun-Feng Xu , Yi-Ching Chen
IPC: F21K9/232 , F21K9/61 , F21V15/04 , H05B33/08 , H01L33/00 , H05B45/00 , F21Y115/10 , F21Y107/70 , H01L33/50 , H01L33/54 , H01L33/62
Abstract: An LED light bulb, comprising: a lamp housing, doped with a golden yellow material or coated with a yellow film on its surface, a bulb base, connected with the lamp housing, a stem with a stand extending to the center of the lamp housing, disposed in the lamp housing, LED filament disposed in the lamp housing, at least a half of the LED filament is around a center axle of the LED light bulb, where the center axle of the LED light bulb is coaxial with the axle of the stand. two conductive supports, connected with the stem and the LED filament, a driving circuit, electrically connected with both the conductive supports and the bulb base.
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公开(公告)号：US11997768B2
公开(公告)日：2024-05-28
申请号：US17510429
申请日：2021-10-26
Inventor： Tao Jiang , Wei-Hong Xu , Yukihiro Saito , Hayato Unagiike , Ai-Ming Xiong , Jun-Feng Xu , Yi-Ching Chen
IPC: F21K9/232 , F21K9/61 , F21V3/08 , F21V3/12 , F21V15/04 , H05B45/00 , F21Y115/10 , H05B45/3577
CPC classification number: H05B45/00 , F21K9/232 , F21K9/61 , F21V3/08 , F21V3/12 , F21V15/04 , F21Y2115/10 , H05B45/3577
Abstract: An LED filament comprising a plurality of LED filament units, each of the plurality of LED filament units includes a LED chip with an upper surface and a lower surface opposite to the upper surface of the LED chip, and a light conversion layer comprising a top layer and a base layer, and the base layer comprises an upper surface and a lower surface opposite to the upper surface of the base layer, where the top layer with an upper surface and a lower surface opposite to the upper surface of the top layer is disposed on at least two sides of each of the LED chips, the lower surface of each of the LED chips is close to the upper surface of the base layer, and the upper surface of the top layer is away from each of the LED chips.
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公开(公告)号：US11168845B2
公开(公告)日：2021-11-09
申请号：US16432955
申请日：2019-06-06
Inventor： Tao Jiang , Wei-Hong Xu , Yukihiro Saito , Hayato Unagiike , Ai-Ming Xiong , Jun-Feng Xu , Yi-Ching Chen
IPC: F21K9/61 , F21K9/232 , F21V15/04 , H05B33/08 , H01L33/00 , H05B45/32 , H05B45/375 , H05B45/38 , H05B45/20 , H05B45/00 , F21Y115/10 , F21Y107/70 , H01L33/50 , H01L33/54 , H01L33/62 , H05B45/357
Abstract: A light bulb, consisting of: a lamp housing doped with a golden yellow material or its surface coated with a yellow film; a bulb base connected to the lamp housing; a stem connected to the bulb base and located in the lamp housing, the stem comprises a stand extending to the center of the lamp housing; and a single LED filament, disposed in the lamp housing, the LED filament comprising: a plurality of LED sections, each of the LED sections includes at least two LED chips that are electrically connected to each other by a wire; a plurality of conductive sections, each of the conductive sections is located between the two adjacent LED sections and configured to electrically connect the two adjacent LED sections; a plurality of supporting arms, each of the supporting arms comprises a first end and a second end opposite to the first end of the supporting arms, the first end of each of the supporting arms is connected with the stand while the second end of each of the supporting arms is connected with the LED filament; the base layer of the light conversion layer is formed from organosilicon-modified polyimide resin composition comprising an organosilicon-modified polyimide and a thermal curing agent.
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Patent Agency Ranking
公开(公告)号：US11168844B2
公开(公告)日：2021-11-09
申请号：US16427296
申请日：2019-05-30
Inventor： Tao Jiang , Wei-Hong Xu , Yukihiro Saito , Hayato Unagiike , Ai-Ming Xiong , Jun-Feng Xu , Yi-Ching Chen
Abstract: An LED filament light bulb, consisting of: a bulb shell doped with a golden yellow material or its surface coated with a yellow film; a bulb base connected to the bulb shell; a stem connected to the bulb base and located in the bulb shell, the stem comprises a stand extending to the center of the bulb shell; and a single filament, disposed in the light housing, further comprising a plurality of supporting arms, each of the supporting arms comprises a first end and a second end opposite to the first end of the supporting arms, the first end of each of the supporting arms is connected with the stand while the second end of each of the supporting arms is connected with the LED filament.
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公开(公告)号：US10982817B2
公开(公告)日：2021-04-20
申请号：US16392654
申请日：2019-04-24
Inventor： Tao Jiang , Wei-Hong Xu , Yukihiro Saito , Hayato Unagiike , Al-Ming Xiong , Jun-Feng Xu , Yi-Ching Chen
IPC: F21K9/61 , F21K9/232 , F21V15/04 , H05B33/08 , H01L33/00 , H05B45/00 , F21Y115/10 , F21Y107/70 , H01L33/50 , H01L33/54 , H01L33/62
Abstract: An light bulb, comprising: a bulb shell, a bulb base connected to the bulb shell; a stem connected to the bulb base and located in the bulb shell; and a flexible LED filament, disposed in the bulb shell, further comprising a plurality of supporting arms respectively comprising two ends, an end of each of the supporting arm is connected to the stem and another end of each of the supporting arm is connected to the flexible LED filament, wherein the stem comprises a stand extending to the center of the bulb shell, the stand supports the supporting arms.
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公开(公告)号：US11690148B2
公开(公告)日：2023-06-27
申请号：US17525994
申请日：2021-11-15
Inventor： Tao Jiang , Wei-Hong Xu , Yukihiro Saito , Hayato Unagiike , Ai-Ming Xiong , Jun-Feng Xu , Yi-Ching Chen
IPC: F21K9/232 , H05B45/00 , F21V15/04 , F21K9/61 , F21V3/12 , F21V3/08 , F21Y115/10 , H05B45/3577
CPC classification number: H05B45/00 , F21K9/232 , F21K9/61 , F21V3/08 , F21V3/12 , F21V15/04 , F21Y2115/10 , H05B45/3577
Abstract: An LED light bulb comprising a lamp housing, a bulb base, connected to the lamp housing, a stem connected to the bulb base and located in the lamp housing; an LED filament, disposed in the lamp housing, where points of the LED filament in an xyz coordinates are defined as x, y, and z, an x-y plane of the xyz coordinates is perpendicular to the height direction of the LED light bulb, an z-axis of xyz coordinates is parallel with the stem, and the projection of the LED filament on the x-y plane, y-z plane and x-z plane respectively has a length L1, L2 and L3, and the length L1, the length L2, and the length L3 are substantially in a ratio of 1:(0.5 to 1):(0.6 to 0.9).
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公开(公告)号：US11259372B2
公开(公告)日：2022-02-22
申请号：US16364195
申请日：2019-03-26
Inventor： Tao Jiang , Wei-Hong Xu , Yukihiro Saito , Hayato Unagiike , Al-Ming Xiong , Jun-Feng Xu , Yi-Ching Chen
IPC: F21K9/232 , H05B45/00 , F21V15/04 , F21K9/61 , F21V3/12 , F21V3/08 , F21Y115/10 , H05B45/3577
Abstract: An high-efficiency light bulb, comprising: a lamp housing with inner surface and outer surface opposite to the inner surface of the lamp housing, the lamp housing includes a layer of luminescent material, which is formed on the inner surface or the outer surface of the lamp housing or integrated in the material of the lamp housing; a bulb base connected to the lamp housing; a stem connected to the bulb base and located in the lamp housing; and a single filament, disposed in the light housing, further comprising a plurality of supporting arms, connected with and supporting the LED filament, wherein the stem comprises a stand extending to the center of the lamp housing, the stand supports the supporting arms.
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公开(公告)号：US11015764B2
公开(公告)日：2021-05-25
申请号：US16409895
申请日：2019-05-13
Inventor： Tao Jiang , Wei-Hong Xu , Yukihiro Saito , Hayato Unagiike , Ai-Ming Xiong , Jun-Feng Xu , Yi-Ching Chen
Abstract: An LED light bulb, comprising: a bulb shell with inner surface and outer surface opposite to the inner surface of the bulb shell, the bulb shell includes a layer of luminescent material which is formed on the inner surface or the outer surface of the bulb shell or integrated in the material of the bulb shell; a bulb base connected to the bulb shell; a stem connected to the bulb base and located in the bulb shell, the stem comprises a stand extending to the center of the bulb shell; and a single LED filament, disposed in the bulb shell, the LED filament comprising: a plurality of LED chip units, each of the LED chip units comprises at least two LED chips; a plurality of conductors respectivity located on opposite sides of the LED chip units; wherein a Cartesian coordinate system having an x-axis, a y-axis is oriented for the LED filament where the x-axis is parallel to the length direction of the LED filament, the conductors are parallel to the x direction and at least one of the plurality of conductors is electrically connected with the LED chip units through a first wire perpendicular to the x direction.
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