Abstract: An LED lamp comprises a lamp body and a colorized, translucent envelope detachably connected to the lamp body. The lamp body includes an LED module and the envelope covers the LED module. A color of the envelope is different from that of the light emitted by the LED module. The envelope changes the color of the light of the LED module when the light passes through the envelope to the outside.

Abstract: A light emitting diode structure includes an electrically conductive substrate, a first lighting structure having a first n-type semiconductor layer, a first active layer and a first p-type semiconductor layer and a second lighting structure having a second n-type semiconductor layer, a second active layer and a second p-type semiconductor layer. The first n-type semiconductor layer is electrically connected with the second p-type semiconductor layer and the first p-type semiconductor layer is electrically connected with the second n-type semiconductor layer. A first transparent, conductive layer is formed on the first lighting structure and a second transparent, conductive layer is formed on the second lighting structure. The first transparent, conductive layer and the second transparent, conductive layer are connected together to combine the first lighting structure with the second lighting structure.

Abstract: An LED illumination device includes a polygonal reflector and a plurality of LEDs received in the reflector. The reflector includes multiple sidewalls connecting with each other. Each LED is located adjacent to at least one corresponding neighboring sidewall. The polygonal reflector can have a shape of a square, a rectangle, an octagon etc. Light generated by the LEDs has at least a part reflected by the reflector to radiate out of the LED illumination device upwardly. The LED is a top view LED. A top of an LED die of the LED is no higher than a bottom of the sidewalls of the reflector.

Abstract: An energy saving LED lamp includes an illuminating device, a mode switching device, a motion detecting device and a controlling unit. The illuminating device is for emitting light. The mode switching device is for switching the illuminating device to work between an illuminating mode and a power saving mode. The motion detecting device is for detecting surrounding human motions and generating a first signal in condition that there is no human motion detected around the LED lamp within a predetermined period of time. The controlling unit is for receiving the first signal generated by the motion detecting device and automatically adjusting brightness of light generated by the illuminating device when having received the first signal, when the mode switching device is at the energy saving mode.

Abstract: An LED includes a seat and an LED chip. The seat includes a main body, a first electrode protruding upwardly from the main body, and a second electrode formed on the main body. The LED chip includes a substrate, a first semiconductor layer disposed on the substrate, a light-emitting layer disposed on the first semiconductor layer, a second semiconductor layer disposed on the light-emitting layer, and a third electrode fixed on the second semiconductor layer. The first electrode extends through the substrate and electrically connects with the first semiconductor layer, and the third electrode electrically connects with the second electrode via a wire.

Abstract: A lens comprises a base, the base comprising a bottom face facing a light emitting side of a light source, and a top face; a first member comprising a convex part curved outward from a first portion of the top face, and a first light emergent face formed on a top of the convex part; wherein light emitted from the first light emergent face illuminates areas far away from the lens; and a second member connecting to the first member on a second portion of the top face, the second member comprising a second light emergent face; wherein the second light emergent face is at an angle from the top face, the second light emergent face is located at a lower elevation than the first light emergent face in relation to the top face, and light emitted from the second light emergent face illuminates areas near the lens.

Abstract: An exemplary method for manufacturing a circuit board includes, firstly, providing a substrate made of heat conductive, electrically insulative material. Then a copper layer is formed on the substrate. After that, nickel is plated on the copper layer to form a nickel layer. Finally, gold is and plated on the nickel layer to form a gold layer.

Abstract: A lamp assembly comprises a lamp body, a bracket, and a securing member. The lamp body comprises a leg. The lamp body is arranged on the bracket. The securing member is mounted on the bracket and capable of moving relative to the bracket to press or away from the leg of the lamp body to achieve an assembly of the lamp body to the bracket or a disassembly of the lamp body from the bracket. The lamp body includes a plurality of light emitting diodes as a light source.

Abstract: An exemplary outdoor LED lamp includes a post, an LED module, two supporting arms and a reflector. The LED module is mounted on a top end of the post for generating upward light. The supporting arms are mounted on the post and located at lateral sides of the LED module. The reflector is rotatably mounted on the supporting arms and located over a top side of the LED module for reflecting the upward light of the LED module.

Abstract: An exemplary LED table lamp includes a lamp stand and an LED lighting module. The LED lighting module includes a light source, a power storage device and a first electrical connector. The LED lighting module can be independently used as a torch. The lamp stand includes a second electrical connector. The second electrical connector can be connected to an external electrical power supply. The first electrical connector can be detachedly electrically connected to the second electrical connector. The power storage device can be electrically connected to the light source to supply electrical power to the light source. The light source can be electrically connected to the second electrical connector, so that the external electrical power supply can supply electrical power to the light source.

Abstract: An LED lamp includes a ceramic main body, an LED module mounted in the main body, a cover mounted on a top end of the main body and covering the LED module, and a connecting member electrically connecting the LED module and mounted on a bottom end of the main body.

Abstract: An illuminating umbrella includes a canopy, a frame, a rechargeable battery, a film-shaped solar power device, and a flexible light-emitting device. The canopy has an inner surface and an opposite outer surface. The frame supports the canopy. The rechargeable battery is received in the frame. The film-shaped solar power device is spread on the outer surface of the canopy and electrically connected with the rechargeable battery. The flexible light-emitting device is attached on the inner surface of the canopy. The rechargeable battery is electrically connected to the flexible light-emitting device for providing electrical power to the flexible light-emitting device. The flexible light-emitting device is an organic light-emitting diode or a polymer light-emitting diode.

Abstract: An illumination device includes a first lighting element, a second lighting element and a pivoting shaft. The first lighting element includes a first lighting module and a first power module contacted with one side of the first lighting module for providing power to the first lighting module. The second lighting element includes a second lighting module and a second power module contacted with one side of the second lighting module for providing power to the second lighting module. The pivoting shaft includes a first stick and a second stick detachable engaging with the first stick. The first stick is rotatably connected to the first power module. The second stick is rotatably connected to the second power module.

Abstract: An LED lamp includes a heat sink and a plurality of LEDs. The heat sink includes a base and a plurality of fins. The base includes a first face and a second face opposite to the first face. The fins extend from the first face of the base. Each fin includes two streamline fin branches and a convex portion connecting the two fin branches. Each fin branch has a first end near a middle of the base, and a second end near an outer edge of the base. Each fin branch has a height gradually decreasing from the first end to the second end. The LEDs are attached to the second face of the base, and located corresponding to the convex portions, respectively.

Abstract: An LED illuminating device for projecting light to a predetermined illuminating plane, includes a supporting pole extending from the illuminating plane, a first LED module arranged on the supporting pole and a second LED module arranged on the supporting pole. The first LED module is for projecting light to a first part of the illuminating plane. The second LED module is for projecting light to a second part of the illuminating plane. The first part of the illuminating plane is adjacent to the supporting pole. The second part of the illuminating plane is adjacent to the first part of the illuminating plane and away from the supporting pole.

Abstract: An LED (light emitting diode) glass includes a glass base, a plurality of LEDs mounted on the base, an interlayer disposed on the base and a glass cover disposed on the interlayer. The interlayer defines an opening to receive the LEDs. An outer periphery of the interlayer and two facing faces of the base and the cover form a plurality of grooves in a periphery of the LED glass. An adhesive material is filled in each of the grooves to fix the cover, the interlayer and the base together. A method for manufacturing the LED glass is also provided.

Abstract: An LED includes a seat and an LED chip. The seat includes a main body, a first electrode protruding upwardly from the main body, and a second electrode formed on the main body. The LED chip includes a substrate, a first semiconductor layer disposed on the substrate, a light-emitting layer disposed on the first semiconductor layer, a second semiconductor layer disposed on the light-emitting layer, and a third electrode fixed on the second semiconductor layer. The first electrode extends through the substrate and electrically connects with the first semiconductor layer, and the third electrode electrically connects with the second electrode via a wire.

Abstract: A light energy testing device includes a light source emitting parallel light, a Fresnel lens concentrating the parallel light, a fiber array consisting of a plurality of optical fibers, and an energy detecting device. Each fiber includes a light incident and emitting surface. The light incident surfaces are coplanar to define a light receiving surface. The light emitting surfaces cooperatively define a light transmitting surface. The energy detecting device includes a plurality of sensor units optically coupled with the light transmitting surface and a testing device connected to the sensor units. The parallel light is focused by the Fresnel lens to irradiate the light receiving surface. The sensor units generate energy signals according to the light from the light transmitting surface. The energy detecting device calculates a light energy distribution according to the energy signals.

Abstract: An LED includes an LED chip, an encapsulant for encapsulating the LED chip, and a lens attached to the encapsulant. The lens includes a main body, and a light converting unit with a light converting material distributed therein. The main body defines a receiving space facing the LED chip. The light converting unit is received in the main body. Light emitted by the LED chip passes through the light converting unit and then enters into the main body of the lens. The light converting material of the light converting unit changes a wavelength of the light of the LED chip when the light passes through the light converting unit.