Zhejiang Super Lighting Electric Appliance Co., Ltd

Jiaxing Super Lighting Electric Appliance Co., Ltd

Zhejiang Super Lighting Electric Appliance Co., Lt

Wei-Hong Xu

Tao Jiang

Yi-Ching Chen

Yukihiro Saito

Hayato Unagiike

Ai-Ming Xiong

Jun-Feng Xu

Jian Lu

Guang-Dong Wang

Feng Zou

Al-Ming Xiong

Jun-Ren Chen

Ming-bin Wang

Ming-Bin Wang

Ai-ming Xiong

Jun-feng Xu

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.

LED filament and LED light bulb

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).

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.

High-efficiency LED light bulb with LED filament therein

An LED tube lamp, comprising: a lamp tube; a first circuit board, disposed in the lamp tube, having a plurality of light sources mounted thereon; two lamp caps disposed at respective ends of the lamp tube; and a power supply substantially disposed in one or both of the two lamp caps, the power supply having a second circuit board, the second circuit board is electrically connected to the first circuit board. The lamp cap includes a body and an insulating portion, the insulating portion constitutes at least a part of an end of the lamp cap, the insulating portion has an inner side surface, and a slot is set on the inner side surface, the second circuit board is inserted into the slot for fastening.

LED tube lamp

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.

LED light bulb having filament with segmented light conversion layer

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.

LED light bulb having muti-section bending filament

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, a 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.

LED filament light bulb having different surface roughness filament base layer

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.

LED filament light bulb having organosilicon-modified polyimide resin composition filament base layer

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.

LED light bulb with flexible LED filament having perpendicular connecting wires

An light bulb comprise a lamp housing filled with gas which 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; a 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, respectively connected with the stem and the LED filament; a driving circuit, electrically connected with both the conductive supports and the bulb base.

High light-emitting efficiency LED light bulb having filament with controlled refractive index differences of multiple interfaces

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.

LED light bulb having uniform light emmision

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.

LED light bulb with a flexible LED filament

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.

LED light bulb with bendable LED filament

An LED tube lamp, comprising: a lamp tube; a first circuit board, disposed in the lamp tube, having a plurality of light sources mounted thereon; two lamp caps disposed at respective ends of the lamp tube; a power supply substantially disposed in one or both of the two lamp caps, the power supply having a second circuit board; and a connection structure having a third circuit board, the third circuit board for connecting the first circuit board to the second circuit board thereby connecting the light sources to the power supply.

An LED filament 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, the LED filament comprising: a plurality of LED filament units, wherein each of the plurality of LED filament units includes a single LED chip with an upper surface and a lower surface opposite to the upper surface. The LED filament light bulb 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.

Growing community of inventors

Zhejiang, China

Wei-Hong Xu