Abstract: A LED light bulb structure has a base body, a control circuit board, a housing, at least a LED light source and a cover body. The base body is connected to the housing to form a containing space for disposing the control circuit board. The housing is disposed with a mounting portion that is inclined toward the housing to dispose the LED light source. Since the mounting potion is inclined, the illumination range of light beam of the LED light source is increased to provide wider illumination range without affecting the brightness of the LED light bulb structure, wherein the housing is integrally formed and disposed with a plurality of gutters at its outer surface to enhance heat dissipation effect, and integrated formation can also simplify the manufacture process and save the assembly time.

Abstract: A laterally installable rotating lamp includes a main body, a plurality of LED light sources, a transparent cover and an electric connector. The main body includes an air flow channel disposed on one side of the main body and the LED light sources disposed on the other side of the main body, and the transparent cover covers the LED light sources, and the electric connector is installed at an end of the main body through a connecting portion and electrically coupled to the LED light sources. The air flow channel is provided for quickly dissipating the heat produced by the LED light sources to prevent a light attenuation of the LED light sources caused by the thermal interference, and a reduced service life. In addition, the connecting portion can be rotated to adjust the illumination angle or the lamp.

Abstract: An LED street lamp includes a base having an end forming a connection head and an opposite end rotatably coupled to a rotatable LED lamp body. The lamp body includes therein heat pipes to which a flexible circuit board carrying LEDs is mounted. Multiple lamp components are connected in a cascade form to constitute the lamp body, whereby when the LEDs emit light, the heat generated can be dissipated away by the heat pipes. Further, each LED light source is set in a given direction according to a trough defined in the lamp component that receives the LED light source so that uniform and bright lighting can be obtained. The device is connectable to an existing street lamp in order to save the great expense for replacing the whole street lamp.

Abstract: The present invention provides a lighting apparatus for nail beauty comprising a bottom plate having a shape non-restricted to any form and a housing having an arched main body attached to the bottom plate to form a space therebetween; characterized in that: a plurality of lighting modules are provided on a top and two lateral sides of the housing to form a ring array; the lighting modules comprise light sources and heat sinks; the lighting modules provided on the top of the housing are tilted slightly such that light emitted therefrom is shone toward the front end of the apparatus and toward the area opposite of the opening of the space between the housing and the bottom plate. Therefore, fewer light sources are required for uniform UV lighting on the nails and the reflection of UV light out to the external of the apparatus can be prevented for safer uses.

Abstract: A light-emitting diode (LED) lighting device includes a base, which has an end forming a head portion and an opposite end forming a lighting body. The lighting body includes a support plate having an end coupled to the base and supporting multiple thermal conduction bars. Each thermal conduction bar carries one or more lighting assemblies. The lighting assembly includes a bracket and a light source unit. The light source unit is set to project light of uniform brightness in a given direction. The grating like three-dimensional lighting device features light weight and excellent air ventilation and heat dissipation and allows an LED lighting device to be adopted in an existing fixture.

Abstract: A back light plate includes a plurality of light bars of high light transmittance. The light bars are juxtaposed to form a flat plate like or a grating like light emission structure. Each light bar has opposite ends to which light sources, such as light-emitting diodes, are mounted. Light emitting from the light sources can transmit through the light bar to form a uniform luminous cylinder and thereby constituting a wide span of backlighting. This arrangement saves the number of light-emitting diodes used, makes the manufacturing easy, and provides a simple and convenient-to-carry-out manufacturing process as compared to the conventional manufacturing processes of large-sized thin back light plate, so as to lead to a significant reduction of manufacturing costs.

Abstract: An illumination lamp includes an electric connection portion, a heat dissipating casing, a printed circuit board, light emitting diodes and a transparent cover. The heat dissipating casing is installed onto the electric connection portion and includes abuse wall and a surrounding wall. The base wall has an arc camber protruded from the periphery of the base wall towards the center of the base wall and away from the electric connection portion. The surrounding wall is extended from the periphery of the base wall. The printed circuit board includes a center hole and a groove, and is attached onto the base wall. The light emitting diodes are installed separately on the printed circuit board. The transparent cover is covered onto a side of the heat dissipating casing. Since the light emitting diodes are installed along the arc camber, the illumination range is expanded, and the illumination uniformity is enhanced.

Abstract: A lighting device includes a cover, a cap, a central post having opposite ends coupled to the cover and the cap respectively, and a plurality of first and second frames. The cover and the cap both form a plurality of circumferentially distributed slots opposite to each other. The first and second frames have ends respectively fit into the slots of the cover and the cap and each frame carries at least one light-emitting diode. As such, a light-emitting diode lighting device that is hollow, light-weighted, and exhibiting excellent heat dissipation is formed.

Abstract: A multi-directional light incidence back light plate includes a plurality of light bars of high light transmittance arranged to juxtapose each other to form a plate like or a grating like structure. Each light bar has opposite ends to which light sources of light-emitting diode (LED) are mounted so that light emitting from the light sources transmits through the light bar to form a uniform luminous cylinder, which serves as a primary light source for backlighting. A plurality of secondary light sources is arranged at sides of the primary light source to constitute a complete arrangement of a back light plate. The secondary light sources are composed of red light and green light that are combined with the light bar at a predetermined ratio so that various color lights are used to generate excellent color saturation (Ra).

Abstract: A light emitting diode (LED) projection lamp includes a lamp body and a plurality of LEDs. The lamp body includes an inverted conical shaped external cover, an electric contact base formed at the tip of the external cover, and a plurality of protrusions arranged on an internal wall of the external cover with a circular distribution, and each protrusion has at least one fixing surface. The LEDs are installed separately on each fixing surface, and an inclination is formed between lights emitted by the LEDs and a projection plane for reducing reflective lights, and the LEDs are electrically coupled to the electric contact base, such that heat produced by using the LEDs is conducted directly to the external cover for its dissipation to improve the heat dissipating efficiency and lifespan of the lamp, and the angular arrangement of the LEDs also improves the saturation and reflection of the light.

Abstract: A heat dissipation device is provided for dissipating heat from a heat source inside a notebook computer, and includes a hood, a bottom board, a thermal insulation layer, and at least one fan. The hood and the bottom board together define a heat dissipation channel. The bottom board integrally forms a plurality of fins and pegs. The bottom board is set above the heat source. The fan is set above the bottom board to efficiently expel heat from the inside to the outside. With the plurality of fins and pegs, the heat dissipation surface area of the bottom board and the heat source is increased and the overall heat dissipation performance is enhanced.

Abstract: A light-emitting diode lighting tube includes a casing, an aluminum base board, which is fit into the casing and carries a plurality of light-emitting diodes, at least two reflective members respectively arranged on opposite sides of the light-emitting diodes, and first and second end caps respectively mounted to opposite ends of the casing. The casing has a radial cross-section forming an opening extending in an axial direction of the casing. The aluminum base board is fit to retention sections formed beside the opening. The two reflective members are arranged on opposite sides of the LEDs for reflecting lights emitting from the LEDs.

Abstract: A lighting device includes a cover, a cap, a central post having opposite ends coupled to the cover and the cap respectively, and a plurality of first and second frames. The cover and the cap both form a plurality of circumferentially distributed slots opposite to each other. The first and second frames have ends respectively fit into the slots of the cover and the cap and each frame carries at least one light-emitting diode. As such, a light-emitting diode lighting device that is hollow, light-weighted, and exhibiting excellent heat dissipation is formed.

Abstract: A heat dissipation device is provided for dissipating heat from a heat source inside a notebook computer, and includes a hood, a bottom board, a thermal insulation layer, and at least one fan. The hood and the bottom board together define a heat dissipation channel. The bottom board integrally forms a plurality of fins and pegs. The bottom board is set above the heat source. The fan is set above the bottom board to efficiently expel heat from the inside to the outside. With the plurality of fins and pegs, the heat dissipation surface area of the bottom board and the heat source is increased and the overall heat dissipation performance is enhanced.