Abstract: A plastic pallet includes a load-supporting platform having top and bottom faces, a plurality of spaced-apart supporting legs each including a surrounding wall that defines a first receiving groove and that has a top end extending to the top face of the platform, and a plurality of reinforcing webs each disposed between two adjacent ones of the supporting legs and each including two spaced-apart web plates cooperatively defining a second receiving groove that communicates spatially with the first receiving grooves in the two adjacent supporting legs. The web plates respectively have top ends extending to the top face of the platform. Each web plate has two opposite connecting ends connected integrally and respectively as one piece with the surrounding walls of the two adjacent supporting legs. Each of the first and second receiving grooves opens at the top face of the platform.

Abstract: A backlight driving system comprises a first inverter circuit, a second inverter circuit, a pulse width modulation (PWM) controller, a frequency regulator and a switch circuit. The pulse width modulation (PWM) controller generates an illumination signal to control the first and second inverter circuits to illuminate first and second backlight units in response to a first enable signal, and generates a maintaining signal to control the first and second inverter circuits to maintain stable lighting of the first and second backlight units in response to a first feedback signal. The frequency regulator controls the PWM controller to generate the illumination signal and the maintaining signal in response to a second enable signal and a second feedback signal, respectively. The switch circuit connects the PWM controller to the second inverter circuit in response to the second enable signal.

Abstract: The invention provides an optical touch device, including a main body, a keyboard and a light emitting member. The keyboard, placed on the main body and having a first end portion and a second end portion, includes a supporting frame, a keycap and a stopping member. The keycap is connected to the supporting frame and moves between a first position and a second position. The stopping member is connected to the keycap and moves simultaneously with the keycap. The light emitting member generates a light beam to the keyboard. When the keycap is in the first position, the light beam passes through the first end portion to the second end portion, and when the keycap is in the second position, the light beam is terminated by the stopping member, such that the light does not reach the second end portion.

Abstract: A dual-lamp driving circuit includes a first frequency switch control circuit, a second frequency switch control circuit, a pulse-width modulation (PWM) control circuit, a first power stage circuit, a second power stage circuit, a conversion circuit, and a feedback circuit. The first frequency switch control circuit receives a first enable signal, and outputs a first frequency switch signal according to the first enable signal. The second frequency switch control circuit receives a second enable signal, and outputs a second frequency switch signal according to the second enable signal. The PWM control circuit outputs various PWM control signals according to the first frequency switch signal and the second frequency switch signal. The feedback circuit feeds back a first current signal from the first lamp to the frequency switch control circuit, and a second current signal from the second lamp to the frequency switch control circuit.

Abstract: A hand held apparatus for curing materials with radiation of predetermined wavelength is disclosed. The apparatus includes a housing, a heat sink installed in the housing, a light emitting unit installed on the heat sink, the light emitting unit includes at least one light emitting element, a replaceable heat-dissipating module contacting the heat sink, and a light transmission unit coupled to the housing. The replaceable heat-dissipating module contains liquid for absorbing heat generated from the light emitting unit. The light transmission u nit is used for transmitting the radiation of the light emitting element to the materials. Whereby, the heat dissipation efficiency can be improved.

Abstract: A method of forming a light-emitting diode (LED) device and separating the LED device from a growth substrate is provided. The LED device is formed by forming an LED structure over a growth substrate. The method includes forming and patterning a mask layer on the growth substrate. A first contact layer is formed over the patterned mask layer with an air bridge between the first contact layer and the patterned mask layer. The first contact layer may be a contact layer of the LED structure. After the formation of the LED structure, the growth substrate is detached from the LED structure along the air bridge.

Abstract: A light-emitting diode (LED) device is provided. The LED device is formed on a substrate having a carbon-containing layer. Carbon atoms are introduced into the substrate to prevent or reduce atoms from an overlying metal/metal alloy transition layer from inter-mixing with atoms of the substrate. In this manner, a crystalline structure is maintained upon which the LED structure may be formed.

Abstract: A memory access control apparatus includes a plurality of memory access request generating modules and an arbitrator. When one of the memory access request generating modules receives a second memory access event while a memory device is performing a first memory access operation according to a first memory access request in response to a first memory access event, the memory access request generating module outputs a second memory access request corresponding to the second memory access event to the memory device after a delay time. The arbitrator is implemented for arbitrating memory access requests respectively outputted from the memory accessing request generating modules.

Abstract: A circuit structure includes a substrate; a patterned mask layer over the substrate, wherein the patterned mask layer includes a plurality of gaps; and a group-III group-V (III-V) compound semiconductor layer. The III-V compound semiconductor layer includes a first portion over the mask layer and second portions in the gaps, wherein the III-V compound semiconductor layer overlies a buffer/nucleation layer.

Abstract: A tracking error control system includes a tracking error signal generator in communication with an optical pickup head, a DC detector in communication with the tracking error signal generator and a comparator in communication with the DC detector and the tracking error signal generator. The operating optical signals received by the optical pickup head are operated with an offset signal to generate a tracking error signal. A direct current voltage of the tracking error signal is detected and compared with a reference voltage. The offset signal is adjusted according to the comparison result and fed back to the tracking error signal generator to adjust the tracking error signal.

Abstract: A semiconductor device having light-emitting diodes (LEDs) formed on a concave textured substrate is provided. A substrate is patterned and etched to form recesses. A separation layer is formed along the bottom of the recesses. An LED structure is formed along the sidewalls and, optionally, along the surface of the substrate between adjacent recesses. In these embodiments, the surface area of the LED structure is increased as compared to a planar surface. In another embodiment, the LED structure is formed within the recesses such that the bottom contact layer is non-conformal to the topology of the recesses. In these embodiments, the recesses in a silicon substrate result in a cubic structure in the bottom contact layer, such as an n-GaN layer, which has a non-polar characteristic and exhibits higher external quantum efficiency.

Abstract: A light-emitting diode (LED) device is provided. The LED device has raised semiconductor regions formed on a substrate. LED structures are formed over the raised semiconductor regions such that bottom contact layers and active layers of the LED device are conformal layers. The top contact layer has a planar surface. In an embodiment, the top contact layers are continuous over a plurality of the raised semiconductor regions while the bottom contact layers and the active layers are discontinuous between adjacent raised semiconductor regions.

Abstract: A light emitting diode (LED) device is presented. The LED device includes a substrate, a layered LED structure, and an embedded bottom electrode. The layered LED structure includes a buffer/nucleation layer disposed on the substrate, an active layer, and a top-side contact. A first-contact III-nitride layer is interposed between the buffer/nucleation layer and the active layer. A second-contact III-nitride layer is interposed between the active well layer and the top-side contact. A bottom electrode extends through the substrate, through the buffer/nucleation layer and terminates within the first-contact III-nitride layer.

Abstract: A light emitting diodes (LEDs) is presented. The LED includes a stress-alleviation layer on a substrate. Open regions and stress-alleviation layer regions are formed on the substrate. Epitaxial layers are disposed on the substrate, at least in the open regions therein, thereby forming an LED structure. The substrate is diced through at least a first portion of the stress-alleviation regions, thereby forming the plurality of LEDs.

Abstract: A case unit for a storage device includes a main case having an accommodation chamber, a subsidiary case detachably and drawably mounted in the accommodation chamber of the main case, and a circuit board mounted with the subsidiary case. As long as the subsidiary case is taken out of the accommodation chamber of the main case, the circuit board can be repaired, thereby enhancing convenience of assembly and repair works.

Abstract: A method for executing a mouse function of electronic device and an electronic device thereof are provided. In the present method, an amount and a relative position of input signals are detected by a sensor module. Then, whether the amount and the relative position are respectively conformed to a predetermined value is determined. If the predetermined values are conformed, whether the input signal is conformed to a specific signal is determined when a variation of the relative position is occurred. Finally, a corresponding mouse function is executed according to a type of the variation if the variation is conformed to the specific signal. As a result, a mouse device is no longer needed for a user to accomplish a directional operation on the electronic device so as to prevent inconvenience of particularly carrying a mouse device.

Abstract: A flexible printed circuit (100) includes a main body (10) and at least one grounding layer (30). The main body includes a first connecting end (11), a band portion (12) and a second connecting end (13). The first connecting end and the second connecting end dispose a first connector (112) and a second connector (132) electrically connected with the first connecting end and the second connecting end, respectively. The band portion has a plurality of circuits, including grounding circuits, to electrically connect with the first connector and the second connector. The band portion defines a plurality of via holes (121). The grounding layer is disposed on a surface of the main body, and electrically connects with the grounding circuits of the band portion by via holes. The invention also provides a method for making the flexible printed circuit.

Abstract: A method for configuring a wireless distribution system is provided. In the method, a target node starts a building procedure and begins to broadcast a building information. A joining node starts a scanning procedure for scanning all channels available and locks one channel used by the target node. The joining node sends a connect request signal and a channel assign request to the target node. The target node selects one link and one channel available for the joining node for communication, and sends a channel reset signal to the joining node. The MAC address of the joining node is added into an internal table of the target node. After the joining node has received the channel reset signal, the MAC address of the target node is stored into an internal table of the joining node, and the designated link channel is configured.

Abstract: An imaging method. A light beam passes through a first lens set, a second lens set, an imaging device and a projection lens set. The light beam is focused in a first position. The focused light beam converges in a first relay position via the first lens set and in a second relay position via the second lens set. The optical path from the first position to the principal plane of the first lens set is defined as a first optical path, and the principal plane of the second lens set to the second relay position as the fourth optical path. The length of the first optical path is longer than twice the focal length of the first lens set, and the length of the fourth optical path is longer than twice the focal length of the second lens set.

Abstract: A lead frame structure comprises a side rail, a first paddle, a second paddle, a plurality of leads, and an downset anchor bar. The first paddle is connected to the side rail via at least one first tie bar, and the second paddle is connected to the side rail via at least one-second tie bar. The first paddle and the second paddle separated from each other are used to define an area to support a chip. These leads set on the side rail expends toward to the chip supporting area. One end of the downset anchor bar is connected to the side rail, and the other end of the downset anchor bar has a protrusion portion which is between the first paddle and the second paddle and is downset from the side rail.