Abstract: A reflective unit (16, 26, 26a) for using with a light guiding element (14, 24, 24a) is disclosed. The light guiding element (14, 24, 24a) includes a light entrance portion (144, 244) and a light exit portion (148, 248, 248a). The light exit portion (148, 248, 248a) has a first concave portion (1482, 2482, 2482a) dented toward the light entrance portion (144, 244). The reflective unit (16, 26, 26a) includes a fixing member (162, 262, 262a) and a reflective member (164, 264). The fixing member (162, 262, 262a) is arranged around the perimeter of the upper end of the light exit portion (148, 248, 248a). The reflective member (164, 264) is arranged on the fixing member (162, 264, 262a) for covering the first concave portion (1482, 2482, 2482a) and forming a conical-shaped light propagating space (19, 29).

Abstract: An external electrical-control lamp with improved structure includes a light-emitting diode lamp (1), an external power box (2), and a dimmer (4). The light-emitting diode lamp (1) has a circuit board (11), at least one light-emitting diode (12), a thermal module (13), and a rectifying circuit (14). The light-emitting diode (12) is installed on the circuit board (11), the thermal module (13) provides a heat-dissipating function to the light-emitting diode (12), and the rectifying circuit (14) provides a rectified power to the light-emitting diode (12). When a utility power (3) is supplied to the dimmer (4) and the external power box (2), a variable resistor of the dimmer (4) is adjusted and the utility power (3) is controlled by the external power box (2), thus adjusting the brightness of the light-emitting diode (12).

Abstract: The emergency light of the invention includes a base (1), a lighting module (2), a rechargeable battery (3) and a retractable support (4). The base (1) has a back (11) with a trough (111). The lighting module (2) is installed in the base (1) and electrically connects a lighting device (21) and a circuit board (22). The rechargeable battery (3) is installed in the base (1) and electrically connects the circuit board (22). The retractable support (4) is pivotally connected to the back (11) and received in the trough (111).

Abstract: A control method and a system for dispatching the execution sequence of the processes in a multiprocessors system so as to dispatch an operation sequence for executing different operation programs by a monitoring processor and a plurality of target processors. The monitoring processor obtains operation status of other processors from a buffer; the monitoring processor selects at least one target processor according to the operation status; the monitoring processor assigns the target processor to execute a corresponding slave operation program, and modifies the operation status of the target processors in the buffer module; and the monitoring processor repeats the setting the operation status and assigning other target processors to execute corresponding operation programs, till a master operation program is completed.

Abstract: A lamp holder structure includes a base body, two electrode plates, a rotary shaft, a short-circuit part, and a cover. When multiple sets of lamp holder structures are used in serial connections, a shaft part of the rotary shaft is rotated by rotating a lamp-tube for the lamp holder structure. Conducting terminals of the lamp-tube are electrically contacted with the two electrode plates. Before rotating the lamp-tube, the short-circuit part is electrically contacted with the two electrode plates. After rotating the lamp-tube, the short-circuit part is electrically contacted with one of the two electrode plates. The electrical connection between the two electrode plates is achieved by the lamp-tube. When the lamp-tube is removed, the lamp-tube is rotated again, so that the short-circuit part is electrically contacted with the two electrode plates, and the two electrode plates are short-circuited. The power could be transmitted to the next lamp holder structure.

Abstract: An external electrical-control lamp with improved structure includes a light-emitting diode lamp (1), an external power box (2), and a dimmer (4). The light-emitting diode lamp (1) has a circuit board (11), at least one light-emitting diode (12), a thermal module (13), and a rectifying circuit (14). The light-emitting diode (12) is installed on the circuit board (11), the thermal module (13) provides a heat-dissipating function to the light-emitting diode (12), and the rectifying circuit (14) provides a rectified power to the light-emitting diode (12). When a utility power (3) is supplied to the dimmer (4) and the external power box (2), a variable resistor of the dimmer (4) is adjusted and the utility power (3) is controlled by the external power box (2), thus adjusting the brightness of the light-emitting diode (12).

Abstract: The lamp includes a lamp hood, a lighting set and a power connector. The lamp hood has a divider plate for dividing inside thereof into an upper chamber and a lower chamber. The lighting set is disposed in the upper chamber. A cover is mounted on the opening of the upper chamber. The power connector is disposed in the lower chamber and provided with fastening members for connecting to the lamp hood. The power connector has an annular wall penetrating the lower chamber. The annular wall tightly clings against the inner wall of the lower chamber. A first sealing ring and a second sealing ring are sandwiched between the lamp hood and cover and between the lamp hood and annular wall, respectively.

Abstract: An LED (Light-Emitting Diode) driving device is electrically connectable with an alternating current (AC) power supply and includes an electronic converter received in the driving device and a first connector, which is formed on an end of the driving device to connect with the AC power supply and in electrical connection with the electronic converter, and a second connector, which is formed on another end of the driving device for connection with an LED lighting module. When the first connector is set in electrical connection with the AC power supply, the above arrangement allows for conversion of electrical current and voltage to those applicable to an LED lighting module within 10 W rating.

Abstract: Disclosed is a structure of light-emitting diode (LED) having high color rendering index, including a substrate on which at least one light emission element, at least one red light emission element, and at least one green light emission element are mounted. The light emission element emits blue light that is also applied to excite a fluorescent powder coated outside the light emission element to generate white light, which when mixed with red and green lights from the red and green light emission elements, form a light source of improved color rendering property. With the addition of the red and green light emission elements, the light projecting from the LED structure provides a color performance close to the natural light, allowing for perfect reproduction of the original color of an object and thereby improving conformableness and coordination of human perception without causing any lose of color genuineness of an object.

Abstract: A circuit apparatus of an LED vehicle lamp is disclosed. The circuit apparatus includes an input unit, an LED unit and a current limiting unit. The LED unit includes at least one light-emitting device. Each light-emitting device includes at least one LED and a protection device. The protection device and each one LED are connected in parallel. The circuit apparatus of an LED vehicle lamp protects the element of the LEDs from being damaged, increases traveling safety and simplifies maintenance.

Abstract: The present invention discloses a tri-state I/O port. The tri-state I/O port comprises a tri-state logic block, a weak buffer and a delay block. The input terminals of the tri-state logic block are connected to data and OE (output enable) signals. When OE signal is enabled, the output terminal of the tri-state I/O block is pulled high when the data is high while the output terminal is pulled low when the data is low. The input terminal and the output terminal of the weak buffer are connected to the output terminal of the tri-state logic block. And the input terminal of the delay block is connected to the output terminal of the tri-state logic block while the output terminal of the delay block is fed back to the tri-state logic block. When the output terminal of the tri-state logic block is low to high/high to low, the weak buffer is active and maintains the output terminal of the tri-state logic block weak high/low while the delay block turns off the pull high/low function of the tri-state logic block.

Abstract: An electronic device including a first portion, a second portion, and a circuit board is provided. The first portion has a first surface including a first conductive region. The second portion has a second surface including a second conductive region and a second nonconductive region. The second conductive region and the second nonconductive region are respectively in contact with a part of the first conductive region. The circuit board has a plurality of electronic components thereon, and the circuit board is disposed at one side of the first portion and the second portion.

Abstract: A structure of a lead-frame matrix of photoelectron devices is provided. The lead-frame matrix is used to fabricate a first lead-frame array and a second lead-frame array. In the structure of the lead-frame matrix of the photoelectron devices, pins of the first lead-frame array and pins of the second lead-frame array are alternatively inserted.

Abstract: A method of manufacturing photo couplers is provided. At first, a receiver lead-frame array is cut from a lead-frame matrix having a transmitter lead-frame array and the receiver lead-frame array. Then, the receiver lead-frame array is overturned and placed on the lead-frame matrix to allow light-receiver elements on the receiver lead-frame array to face light-emitting elements on the transmitter lead-frame array of the lead-frame matrix. Finally, the receiver lead-frame array and the lead-frame matrix are connected.

Abstract: A structure of a lead-frame matrix of photoelectron devices is provided. The lead-frame matrix is used to fabricate a first lead-frame array and a second lead-frame array. In the structure of the lead-frame matrix of the photoelectron devices, pins of the first lead-frame array and pins of the second lead-frame array are alternatively inserted.

Abstract: A structure of a lead-frame matrix of photoelectron devices is provided. The lead-frame matrix is used to fabricate a first lead-frame array and a second lead-frame array. In the structure of the lead-frame matrix of the photoelectron devices, pins of the first lead-frame array and pins of the second lead-frame array are alternatively inserted.

Abstract: The present invention discloses a tri-state I/O port. The tri-state I/O port comprises a tri-state logic block, a weak buffer and a delay block. The input terminals of the tri-state logic block are connected to data and OE (output enable) signals. When OE signal is enabled, the output terminal of the tri-state I/O block is pulled high when the data is high while the output terminal is pulled low when the data is low. The input terminal and the output terminal of the weak buffer are connected to the output terminal of the tri-state logic block. And the input terminal of the delay block is connected to the output terminal of the tri-state logic block while the output terminal of the delay block is fed back to the tri-state logic block. When the output terminal of the tri-state logic block is low to high/high to low, the weak buffer is active and maintains the output terminal of the tri-state logic block weak high/low while the delay block turns off the pull high/low function of the tri-state logic block.

Abstract: A circuit apparatus of an LED vehicle lamp is disclosed. The circuit apparatus includes an input unit, an LED unit and a current limiting unit. The LED unit includes at least one light-emitting device. Each light-emitting device includes at least one LED and a protection device. The protection device and each one LED are connected in parallel. The circuit apparatus of an LED vehicle lamp protects the element of the LEDs from being damaged, increases traveling safety and simplifies maintenance.

Abstract: A light emitting diode package is disclosed. It includes a chip, a slug, a PCB, a lens and a reflector. The chip is mounted on the slug. The slug transmits the heat of the chip out of the light emitting diode package. The PCB connects the chip with circuits or wires. The lens transmits the emitting light of the chip out of the light emitting diode package. The reflector reflects the emitting light of the chip, and combines the slug, the PCB and the lens together.

Abstract: A redundant system comprising at least two hosts is provided. The redundant system randomly selects one active host under normal operating conditions, and sets the other hosts on stand-by. The active host controls the other hosts and peripheral devices connecting thereto through buses.