Foxconn Technology Co., Ltd.

Fu Zhun Precision Industry (shen Zhen) Co., Ltd.

Ledvance Gmbh

Furui Precise Component (kunshan) Co., Ltd.

Ran Lin

Ching-Bai Hwang

Zhi-Hui Zhao

Jie Zhang

Jin-Gong Meng

Zhian Li

Tingbiao Lan

Rencheng Li

Jun Liu

HongWei Zhang

Bernhard Rieder

Shijun Nie

Haitao Wen

Shaozhu Yang

Xi-Jian Zhu

An LED illumination device corresponds to a compact fluorescent lamp and has improved thermal properties. The illumination device includes a transparent tube having an inner wall defining a cavity, a light engine having one or more light emitting diodes, and a driver to drive the light engine. The light engine is disposed at the inner wall of the transparent tube. The arrangement of the light engine and the one or more light emitting diodes at the inner wall of the tube provides improved lighting characteristics. Simultaneously, an improved cooling is provided by the interface surface for conducting heat between the inner wall and the light engine.

Illumination device with LED strip light engine configured for retrofitting pin-based CFL socket

Various embodiments may relate to an illuminating device including a light engine, a housing and a driver contained in the housing, wherein the illuminating device further includes a heat dissipation device disposed in the housing which includes a substrate for supporting the light engine and an insert ring in thermal-conductive contact with the substrate.

Lamp with internally mounted heat dissipation device

A lighting device is provided, which includes a first lighting unit, a heat-dissipating unit heat-conductively connected to the first lighting unit; a second lighting unit, a second heat-dissipating unit heat-conductively connected to the second lighting unit; and a driver electrically connected with the first lighting unit and the second lighting unit. Furthermore, a method of assembling a lighting device is provided.

Lighting device and method of assembling a lighting device

A lighting device is provided, comprising at least one LED module, which is connected to a retainer, and a driver that is electrically connected to the LED module, wherein the driver is at least partially cast by a potting material wherein the driver is connected to the retainer via an adaptor board that is positioned in between the driver and the retainer.

Lighting device, LED module for a lighting device, and method for assembling a lighting device

Illuminating device having a mounting structure

An impeller of a centrifugal fan includes a hub and a plurality of blades arranged on and around the hub. Each of the blades includes a root portion and a tip portion. The tip portion of each of the blades has a concave surface and a convex surface in rear and front sides thereof respectively. In a rotational direction of the impeller, the tip portion of a rear blade protrudes towards a front blade.

Cooling fan impeller

A cooling fan () includes a bottom plate () a top cover () covering the bottom plate, a sidewall () disposed between the bottom plate and the top cover, and an impeller () enclosed in a space formed between the bottom plate, the top cover and the sidewall. The impeller includes a hub (), and a plurality of blades () radially and outwardly extending from the hub. Each of the blades includes a windward surface () and a leeward surface () opposite to the windward surface. The leeward surface of each blade defines three indents () therein. Two protrusions () are formed between adjacent indents. The uneven leeward surface is provided for lowering the noise level generated by the cooling fan during an operation thereof.

Impeller and cooling fan incorporating the same

A centrifugal fan includes a housing and an impeller. The housing includes a base plate, a side plate extending upwardly from a periphery of the base plate and a concave portion depressed downwardly from a central portion of the base plate. The concave portion includes a bottom wall spaced from the base plate and a side wall interconnects with the base plate. An air inlet is defined in the bottom wall. The impeller includes a hub and a plurality of blades extending radially from the hub. The impeller is rotatably arranged on the bottom wall of the concave portion. A bottom face of each of the blades extends into the concave portion.

Centrifugal fan and electronic device using same

A cooling fan () includes a housing () and an impeller (). The housing has a base (), a sidewall () extending from a periphery of the base with an air outlet () defined therein, and a cap () covering the sidewall. The impeller has a plurality of blades () rotatably received in the housing for generating an airflow. An air channel () is formed between tip portions of the blades and an inner face of the sidewall. The air outlet has a near section (A) and a far section (C). The airflow first reaches the near section and then the far section. The base of the housing has a protrusion () extending into the air outlet for guiding the airflow flowing towards the far section from the near section of the air outlet.

Cooling fan having protrusion at air outlet thereof

An impeller () for a cooling fan includes a hub () having a circular wall () and an annular sidewall () extending downwardly from a rim of the circular wall, and a plurality of blades () extending radially from the sidewall of the hub. Each of the blades includes a first portion () near the hub and a second portion () away from the hub, wherein each of the first portions is identical to an adjacent one of the first portions, and each of the second portions is different from an adjacent one of the second portions regarding a height thereof, thereby reducing a noise level of the impeller when the it operates.

Impeller for a cooling fan

An electronic device includes a shell, an electronic component received in the shell, and a heat sink arranged between the electronic component and the shell. The heat sink includes a first heat spreader attaching to the electronic component, a second heat spreader spaced from the first heat spreader, and a plurality of fins between the first and second heat spreaders. Each fin includes a pair of contacting portions, a pair of bending portions and a connecting portion each of which being flat. The contacting portions are respectively connected to the two heat spreaders. The bending portions respectively extend from the contacting portions towards each other. Each bending portion forms a rear end adjacent to the other bending portion. The connecting portion interconnects the rear ends of the bending portions at opposite ends thereof.

Heat sink and electronic device using same

A heat dissipation apparatus () includes a centrifugal blower () and a fin assembly () having a plurality of fins () disposed at an air outlet () of the centrifugal blower. The centrifugal blower includes a first tongue () distant from the fin assembly, and a second tongue () located between the first tongue and the air outlet of the blower. The second tongue has an end () substantially parallel to the fins of the fin assembly to guide an airflow smoothly flowing through the fins.

Heat dissipation apparatus

An electronic assembly () includes a top cover (), a bottom cover () and a thermal module (). The thermal module includes a centrifugal blower () and a fin assembly (). The blower includes a top lid () defining a first air inlet () therein, a bottom plate () defining a second air inlet () therein, and a sidewall (). An air outlet () is defined in the blower in front of the sidewall. A first distance (H) formed between the top cover and the top lid is greater than a second distance (H) formed between the bottom cover and the bottom plate. A left edge () of the second air inlet adjacent to the air outlet offsets a distance from a corresponding left edge () of the first air inlet inwardly toward a rotation axis (A) of an impeller () of the blower.

Thermal module with centrifugal blower and electronic assembly incorporating the same

An electronic assembly includes an enclosure including a top cover and a bottom cover, and a thermal module arranged between the top cover and the bottom cover of the enclosure. The thermal module includes a centrifugal blower and a fin assembly arranged in an air outlet of the centrifugal blower. The centrifugal blower includes a top lid defining a first air inlet therein, a bottom plate defining a second air inlet therein, a sidewall disposed between the top lid and the bottom plate, with the air outlet defined in the sidewall, and a rotor disposed in an inner space formed between the top lid, the bottom plate and the sidewall. The bottom plate is separated by a distance from the bottom cover of the enclosure. The bottom plate defines an indent therein so as to widen the distance.

A portable electronic device includes a casing, an electronic component disposed in the casing, and a thermal module for dissipating heat of the electronic component. The thermal module includes a heat pipe, a fin unit, and a transverse fan. The heat pipe includes an evaporating section thermally attached to the electronic component, and a condensing section thermally attached to the fin unit. The transverse fan is arranged in the casing for generating an airflow through the electronic component and the fin unit. The transverse fan includes a rotor, and a sidewall on a floor of the casing and surrounding the rotor. The sidewall defines an air inlet and an air outlet therein. The air outlet faces to the fin unit. The air inlet faces to the electronic component.

Growing community of inventors

Shenzhen, China

Ran Lin