Jiaxing Super Lighting Electric Appliance Co., Ltd

Zhejiang Super Lighting Electric Appliance Co., Ltd

Li-Qin Li

Tao Jiang

Chang Yang

Bao Wang

Xiao-Su Yang

Yue-Qiang Zhang

Aiming Xiong

Hong Xu

An LED tube lamp includes a glass lamp tube, two end caps, an adhesive, an LED light strip, a plurality of LED light sources, a power supply, and a diffusion film. The glass lamp tube includes a main body region and two rear end regions. Each of the two end caps coupled to a respective rear end region by the adhesive. The LED light strip comprises a mounting region adhered to an inner circumferential surface of the glass lamp tube and a connecting region. The plurality of LED light sources are mounted on the mounting region. The power supply includes a circuit board separating from the LED light strip. The diffusion film is covering on an outer surface of the glass lamp tube. The connecting region, one of the rear end regions, the adhesive and one of the lateral wall are stacked sequentially in a radial direction of the glass lamp tube.

LED tube lamp

An LED tube lamp includes a glass lamp tube, two end caps, an LED light strip, a power supply, and a diffusion film. The glass lamp tube includes a main body region and two rear end regions, each of the two rear end regions coupled to a respective end of the main body region and each of the two end caps coupled to a respective rear end region. A length of the light strip is longer than the length of a main body region of the glass lamp tube. Each of the two end caps is coupled to a respective end of the glass lamp tube by a adhesive. The LED light strip is attached to an inner circumferential surface of the glass lamp tube with a plurality of LED light sources mounted on the LED light strip. The diffusion film is disposed on an out surface of the glass lamp tube.

An LED tube lamp comprises a glass tube, two end caps coupled to a respective end of the glass tube, an LED light strip attached to an inner circumferential surface of the glass tube, a protective layer disposed on a surface of the LED light strip, a plurality of LED light sources mounted on the LED light strip, two first soldering pads arranged at an end of the LED light strip, two notches formed at an edge of the end of the LED light strip, a power supply module configured to drive the plurality of LED light sources. The protective layer comprises two openings to expose the two first soldering pads. The power supply module comprises a printed circuit board comprising two second soldering pads and each of the two first soldering pad soldered to the respective second soldering pad by a solder. The solder is disposed on the first soldering pad, the corresponding second soldering pad and in the corresponding notch. The power supply module comprises a rectifying circuit and a filtering circuit coupled to the rectifying circuit.

An LED tube lamp includes a glass lamp tube, two end caps, an LED light strip, a power supply, and a reflective film. At least a portion of an inner surface of the glass lamp tube is formed with a rough surface, and the roughness of the rough surface is higher than that of the outer surface. The glass lamp tube includes a main body region and two rear end regions, each of the two rear end regions coupled to a respective end of the main body region and each of the two end caps coupled to a respective rear end region. A length of the light strip is longer than the length of a main body region of the glass lamp tube. Each of the two end caps is coupled to a respective end of the glass lamp tube by a gel. The LED light strip is disposed on an inner surface of the glass lamp tube with a plurality of LED light sources mounted on the LED light strip.

An LED tube lamp comprises a lamp tube, two end caps attached at two ends of the lamp tube respectively, a power supply disposed in one of the two end caps or separately in both of the end caps, an LED light strip disposed inside the lamp tube and a protective layer disposed on the LED light strip. The LED light strip comprises a mounting region and a connecting region. The plurality of LED light sources is mounted on the mounting region and two soldering pads are disposed on the connecting region. The mounting region and the connecting region are electrically connecting the plurality of LED light sources with the power supply. The protective layer comprises a plurality of first openings arranged on the mounting region for accommodating the LED light sources and two second openings are arranged on the connecting region for accommodating the two soldering pad.

An LED tube lamp includes a lamp tube, two end caps, an LED light strip, a power supply, and a reflective film. At least a portion of an inner surface of the lamp tube is formed with a rough surface, and the roughness of the rough surface is higher than that of the outer surface. Each of the two end caps is coupled to a respective end of the lamp tube by a gel. The LED light strip is disposed on an inner surface of the lamp tube with a plurality of LED light sources mounted on the LED light strip. The power supply is disposed at one or two of the end caps. The power supply is electrically connected to the plurality of LED light sources. The reflective film is disposed on the inner surface of the lamp tube.

An LED tube lamp including a glass lamp tube, an end cap disposed at one end of the glass lamp tube, a power supply provided inside the end cap, an LED light strip disposed inside the glass lamp tube with a plurality of LED light sources mounted on. At least a part of an inner surface of the glass lamp tube is formed with a rough surface, and the glass lamp tube is covered by a heat shrink sleeve. The LED light strip has a bendable circuit sheet which is made of a metal layer structure to electrically connect the LED light sources with the power supply. The glass lamp tube and the end cap are secured by a highly thermal conductive silicone gel with its thermal conductivity not less than 0.7 w/m&#xb7;k.

An LED light bulb includes a bulb shell, a bulb base, a stem, conductive supports, an LED filament, and a supporting arm. The bulb base is connected to the bulb shell. The stem is connected to the bulb base. The conductive supports are connected to the stem. The LED filament includes a filament body and two conductive electrodes. The conductive electrodes are at two ends of the filament body and connected to the conductive supports. The filament body is around the stem. The supporting arm is connected to the stem and the filament body. In a height direction of the LED light bulb, H is a distance from a bottom to a top of the bulb shell. A first height difference is defined between the two conductive electrodes and is from 0 to 1/10H. The filament body is curved to form a highest point and a lowest point. A second height difference is defined between the highest point and the lowest point. The first height difference is less than the second height difference.

LED filament

An LED filament and an LED light bulb applying the same are disclosed. The LED filament includes LED chips, conductive electrodes disposed corresponding to the LED chips, and a light conversion coating. The LED chips are electrically connected together and the conductive electrodes are electrically connected with the LED chips. The light conversion coating includes an adhesive and a plurality of phosphors. The light conversion coating coats on at least two sides of the LED chips and the conductive electrodes. The light conversion coating exposes a portion of two of the conductive electrodes. Accordingly, the LED filament is capable of emitting light similar to that a point light source does and the LED light bulb may emit omnidirectional light.

LED light bulb and LED filament thereof

An LED tube lamp comprises a plurality of LED light sources, an end cap, a power supply disposed in the end cap, a lamp tube, and an LED light strip. The lamp tube extends in a first direction along a length of the lamp tube, and has an end attached to the end cap. The LED light strip is electrically connected the LED light sources with the power supply. The LED light strip has in sequence a first wiring layer, a dielectric layer and a second wiring layer. A thickness of the second wiring layer is greater than a thickness of the first wiring layer.

An LED tube light which includes LED light sources mounted in LED leadframes is disclosed. The LED leadframe has a recess, a first sidewall and a second sidewall. Each LED light source includes an LED leadframe and an LED chip, in which LED chip is disposed in recess of LED leadframe. A height of first sidewall of LED leadframe is lower than a height of second sidewall thereof. Inner surface of the first sidewall is a sloped flat or curved surface facing towards outside the recess. First sidewalls of the LED leadframe are arranged along a length direction of the light tube, and second sidewalls of the LED leadframe are arranged along a width direction of the light tube. The LED tube light further includes an LED light bar. The LED light sources together with the LED leadframes are mounted on the LED light bar.

LED tube light with LED leadframes

An LED tube lamp comprises a plurality of LED light sources, an end cap, a power supply disposed in the end cap, a lamp tube, and an LED light strip. The lamp tube extends in a first direction along a length of the lamp tube, and has an end attached to the end cap. LED light strip is electrically connected the LED light sources with the power supply. The LED light strip has in sequence a first wiring layer, a dielectric layer and a second wiring layer. A thickness of the second wiring layer is greater than a thickness of the first wiring layer.

An LED tube lamp includes a lamp tube, an LED light bar disposed inside the lamp tube with a plurality of LED light sources provided on the LED light bar, a diffusion film layer disposed inside the lamp tube and configured to transmit the light emitted from the LED light sources, and a reflective film layer disposed on an inner circumferential surface of the lamp tube. The reflective film layer is configured to partially occupy the inner circumferential surface of the lamp tube along a longitudinal direction and a circumferential direction of the lamp tube, and the diffusion film layer is a sheet disposed to cover the LED light sources without making direct contact with the LED light sources.

An LED tube light, including LED light sources, end cap, a light tube, a diffusion film layer and a reflective film layer is provided herein. Diffusion film layer is disposed above LED light sources so that light emitted from LED light sources are transmitted through diffusion film layer and light tube. Diffusion film layer can also be optical diffusion coating coated on wall of light tube, and coated to an outer surface of rear end region of light tube, a hot melt adhesive is bonded to outer surface of optical diffusion coating to generate increased frictional resistance between end cap and the light tube. Reflective film layer is disposed on inner circumferential surface of light tube, and occupying a portion of inner circumferential surface of light tube along circumferential direction thereof. LED light sources are disposed above or adjacently to one side of reflective film layer.

Growing community of inventors

Zhejiang, China

Li-Qin Li