Abstract: An LED light module has a mounting board and multiple LED lights mounted securely on the mounting board. Each LED light has a casing, a lighting module and two resilient sheets. The lighting module is mounted in the casing. The resilient sheets are mounted on an outside wall of the casing and abut an annular edge around a mounting hole of the mounting board. The LED lights are mounted securely on the mounting board by the resilient force of the resilient sheets, so the user only has to push the LED light to resist the slightly resilient force, and the LED light can be disassembled from the mounting board. Thus, any individual LED light can be easily disassembled.

Abstract: The present invention provides a cooling or heating fan magnetically attachable to a metal board. The cooling or heating fan has a disk-form or stand-form base whose lower surface is provided with a plurality of strong permanent magnets so as to magnetically attach the cooling or heating fan to iron-made partitions, furniture or structures for convenient use.

Abstract: A thin film solar cell includes a substrate, a transparent electrode layer, a semiconductor layer, a back electrode layer, a positive electrode and a negative electrode. The semiconductor layer is formed on the transparent electrode layer and has grooves. The back electrode layer is formed on the semiconductor layer, in which formation of the semiconductor layer with the back electrode layer is patterned and the patterned formation with the transparent electrode layer form unit cells connected in series. The positive electrode is formed upon a front unit cell of the unit cells. The negative electrode is formed upon a last unit cell of the unit cells. The back electrode layer is formed to fill at least the grooves of the front unit cell and the last unit cell to directly connect with the transparent electrode layer. A method for fabricating a thin film solar cell is also provided.

Abstract: A light assembly is provided, which includes a solar cell, a light guiding plate mounted on one side of the solar cell; a frame releasably holding the solar cell and the light guiding plate; and a LED array releasably mounted within the frame and adjacent to the light guiding plate so that the light generated by the LED array passes through the side surface of the light guiding plate and illuminates the area in front of the light guiding plate or the light guiding plate.

Abstract: In an improved pressure switch structure, a metal casing is provided for sealing and covering the exterior of the pressure switch, such that a wire contact point at an end of the pressure switch is sealed and protected from moisture, and a plug cap in a wire through hole of the metal casing is provided for wrapping and binding a power supply wire to achieve a fixed positioning effect, so that the power supply wire will not be pulled or loosened easily and is sealed and protected from moisture and dust.

Abstract: An organic electro-luminescent device including a substrate, a plurality of organic electro-luminescent units and a reflective electrode layer is provided. The organic electro-luminescent units are stacked on the substrate, and the reflective electrode layer is disposed between the adjacent organic electro-luminescent units. As mentioned above, the organic electro-luminescent device can provide double-sided display function.

Abstract: A specially designed rotation speed controller for fans, in addition to basic components like variable resistor, the controller has also been equipped with special components such as TRIAC, micro limit switch, and glass tube fuse, which allows said controller to precisely control the on/off status and the rotation speed of the fan, and the controller also provides power-off protection against power overload.

Abstract: The invention provides a ribbonlike light illumination apparatus, comprising a ribbonlike member, a plurality of heat-dissipating fins, and a plurality of light devices. The ribbonlike member has a first surface and a second surface. The heat-dissipating fins are disposed on the first surface. The light devices are demountably mounted on the second surface. The ribbonlike light illumination apparatus of the invention may be installed in an advertisement box. A more uniform light source than conventional fluorescent lamps can be achieved by adjusting the distances between the light devices on the ribbonlike member. Besides, the ribbonlike light illumination apparatus of the invention has properties of longer life and saves more power than conventional fluorescent lamps.

Abstract: A specially designed rotation speed controller for fans, in addition to basic components like variable resistor, the controller has also been equipped with special components such as TRIAC, micro limit switch, and glass tube fuse, which allows said controller to precisely control the on/off status and the rotation speed of the fan, and the controller also provides power-off protection against power overload.