Abstract: A driving circuit for a light emitting diode (LED) and a method thereof are provided. The driving circuit includes a voltage converting circuit and a reference voltage generator. The reference voltage generator generates a reference voltage according to the cathode voltage of the LED. The voltage converting circuit automatically adjusts the driving voltage of the LED based on the reference voltage so as to reduce the possibility of unnecessary power wastage caused by high driving voltage.

Abstract: A method described herein includes acts of receiving data from a social networking application, wherein the data is generated by a first individual, and executing an entity extraction algorithm to extract at least one entity from the received data. The method also includes automatically causing a hyperlink to be displayed on a computing device utilized by a second individual, wherein the hyperlink is based at least in part upon the at least one entity, wherein the hyperlink is configured to direct the first individual to a search engine and is further configured to cause the search engine to execute a search that pertains to the at least one entity.

Abstract: A lens module includes a barrel and a parallelogram-shaped filter. The barrel defines a through hole bounded by an inner circumferential surface thereof. The barrel includes an end surface substantially perpendicular to the inner circumferential surface. The barrel further defines four positioning cutouts extending from the end surface to the inner circumferential surface. The parallelogram-shaped filter includes four corners fixed in the four positioning cutouts of the barrel.

Abstract: A phonetic variation model building apparatus, having a phoneme database for recording at least a standard phonetic model of a language and a plurality of non-standardized phonemes of the language is provided. A phonetic variation identifier identifies a plurality of phonetic variations between the non-standardized phonemes and the standard phonetic model. A phonetic transformation calculator calculates a plurality of coefficients of a phonetic transformation function based on the phonetic variations and the phonetic transformation function. A phonetic variation model generator generates at least a phonetic variation model based on the standard phonetic model, the phonetic transformation function and the coefficients thereof.

Abstract: A method described herein includes acts of extracting at least one entity from an arbitrary web page being viewed by an individual on a computing device and comparing the at least one entity with social network data of the individual, wherein the social network data comprises a plurality of messages generated by members of a social network of the individual. The method further includes the acts of identifying at least one message in the plurality of messages based at least in part upon the comparing of the at least one entity with the social network data of the individual and causing the at least one message to be displayed on the web page in conjunction with the at least one entity.

Abstract: The present invention discloses a method of making a multi-layer structure for metal-insulator-metal capacitors, in which, a bottom electrode plate layer is formed on a substrate, wherein a Ti/TiN layer serving as a top anti-reflection coating (top ARC) of the bottom electrode plate layer including a titanium layer and a titanium nitride layer formed on the titanium layer is formed using a first and a second physical vapor deposition (PVD) processes at a temperature ranging from 25 to 400° C., and then a first capacitor dielectric layer, a middle electrode plate layer, a second capacitor dielectric layer, and a top electrode plate layer are formed on the bottom electrode plate layer in an order from bottom to top.

Abstract: A light-emitting diode device (LED) device and manufacturing methods thereof are provided, wherein the LED device comprises a substrate, a first n-type semiconductor layer, an n-type three-dimensional electron cloud structure, a second n-type semiconductor layer, an active layer and a p-type semiconductor layer. The first n-type semiconductor layer, the n-type three-dimensional electron cloud structure, the second n-type semiconductor layer, the active layer and the p-type semiconductor layer are subsequently grown on the substrate.

Abstract: A method and a system for voice communication, especially for a user who has voice or speaking problems, are disclosed. The method requires a communication sheet and a digital voice signal processing device. The communication sheet comprises a plurality of communication units and a plurality of function units for a user to click with the digital voice signal processing device. The plurality of function units comprise a whole sentence unit, and the method comprises a method for performing a function of emitting the sound of a whole sentence, which comprises the following steps: receiving sounds of words selected by the user; searching a voice file according to each of the sounds of words; receiving a command generated by the user's clicking the whole sentence unit; and playing voice files in order.

Abstract: An apparatus for assembling a lens module is provided. The lens module comprises a lens barrel and at least one optical element received therein. The apparatus includes an element-grasping member, an assembly station and two guiding members. The element-grasping member is configured for grasping the at least one optical element and mounting the at least one optical element into the lens barrel. The assembly station has a support surface. Each of the two guiding members includes a stationary element fixedly positioned on the support surface, a movable element and an elastic element. The movable element includes a positioning surface and a clamping surface. The positioning surface is configured for pressing the element-grasping member. The clamping surface is configured for pressing the lens barrel. The elastic element is positioned between the stationary element and the movable element.

Abstract: The present invention discloses a method of making a multi-layer structure for metal-insulator-metal capacitors, in which, a bottom electrode plate layer is formed on a substrate, wherein a Ti/TiN layer serving as a top anti-reflection coating (top ARC) of the bottom electrode plate layer including a titanium layer and a titanium nitride layer formed on the titanium layer is formed using a first and a second physical vapor deposition (PVD) processes at a temperature ranging from 25 to 400° C., and then a first capacitor dielectric layer, a middle electrode plate layer, a second capacitor dielectric layer, and a top electrode plate layer are formed on the bottom electrode plate layer in an order from bottom to top.

Abstract: This invention discloses a light-emitting device comprising a semiconductor stack layer having an active layer of a multiple quantum well (MQW) structure comprising alternate stack layers of quantum well layers and barrier layers, wherein the barrier layers comprise at least one doped barrier layer and one undoped barrier layer. The doped barrier layer can improve the carrier mobility of the electron holes and increase the light-emitting area and the internal quantum efficiency of the active layer.

Abstract: Green light emitting diodes (LED) of gallium arsenide (GaAs) are series-connected. The series connection has a small transmission attenuation and a wide bandwidth. The GaAs LED has a big forward bias and so neither extra driving current nor complex resonant-cavity epitaxy layer is needed. Hence, the present invention has a high velocity, a high efficiency and a high power while an uneven current distribution is avoided.

Abstract: The present application relates to an opto-electronic device. The opto-electronic device includes an n-cladding layer, a p-cladding layer and a multi-quantum well structure. The multi-quantum well structure is located between the p-cladding layer and the n-cladding layer, and includes a plurality of barrier layers, a plurality of well layers and a barrier tuning layer. The barrier tuning layer is made by doping the barrier layer adjacent to the p-cladding layer with an impurity therein for changing an energy barrier thereof to improve the light extraction efficiency of the opto-electronic device.

Abstract: A clamping device for clamping a workpiece includes a support member, sliding members and a rotating member. The support member is configured for supporting the workpiece. The support member defines cutouts in a periphery thereof. The sliding members each is positioned in one of the cutouts. Each of the sliding members has a cam pin. The rotating member is rotatable relative to the support member. The rotating member defines cam slots on top thereof. The cam pins are received in the cam slots and slidable in the cam slots. Positions of the sliding members are changeable along radial directions of the support member when the rotating member is rotated.

Abstract: A molding device includes a mold and a mold core received in the mold. The mold has an insert receiving cavity defined therein and an inner surface in the insert receiving cavity. The mold core includes a core insert and a connection portion. The core insert has a molding surface defined at a first distal end thereof and a lateral surface. The lateral surface of the core insert contacts the inner surface in the insert receiving cavity. The connection portion has a distal end connected with an opposing second distal end of the core insert. The connection portion is received in the insert receiving cavity and spaced from the inner surface of the mold.

Abstract: An exemplary machine tool includes a main body, a transmission, a spindle, a fixture, a cutter, a driving device, and a camera. The transmission is coupled to the main body. The spindle is coupled to the transmission. The fixture is coupled to the spindle and holds a workpiece. The cutter and the driving device are coupled to the main body. The cutter is opposite to the spindle and configured for processing the workpiece. The camera is coupled to the driving device and is configured for capturing images of the cutter and the workpiece.

Abstract: A driving circuit for a light emitting diode (LED) and a method thereof are provided. The driving circuit includes a voltage converting circuit and a reference voltage generator. The reference voltage generator generates a reference voltage according to the cathode voltage of the LED. The voltage converting circuit automatically adjusts the driving voltage of the LED based on the reference voltage so as to reduce the possibility of unnecessary power wastage caused by high driving voltage.

Abstract: A circuit and a method for driving light emitting diodes (LEDs) are provided. First, an input voltage is converted into an output voltage and the output voltage is transmitted to the anode terminals of LED strings. The output voltage is reduced when the output voltage is greater than a first threshold voltage and the output voltage is reduced when the lowest level among the cathode terminal voltages of all the LED strings is greater than a second threshold voltage. Thus, the output voltage can be maintained at a lower level for driving all the LED strings to reduce unnecessary power wastage.

Abstract: An apparatus for assembling a lens module is provided. The lens module comprises a lens barrel and at least one optical element received therein. The apparatus includes an element-grasping member, an assembly station and two guiding members. The element-grasping member is configured for grasping the at least one optical element and mounting the at least one optical element into the lens barrel. The assembly station has a support surface. Each of the two guiding members includes a stationary element fixedly positioned on the support surface, a movable element and an elastic element. The movable element includes a positioning surface and a clamping surface. The positioning surface is configured for pressing the element-grasping member. The clamping surface is configured for pressing the lens barrel. The elastic element is positioned between the stationary element and the movable element.

Abstract: An electronic-card reader structure includes a first plate, and a second plate. A printed circuit board is disposed between the first and the second plates. Two ends of the covering are respectively connected with the first plate and the second plate. The position of the covering is correspondingly to the printed circuit board. The first plate, the second plate and the covering are constructed as a rectangle casing with a dimension of a floppy disk. The built-in electronic-card reader structure has better mechanical and structural strength and the material for manufacturing the electronic-card reader structure is further reduced.