Abstract: A portable computer includes a display module, and a hinge module. One end of the hinge module is connected to the display module. The portable computer further includes a host module. The host module includes a housing whereon an accommodating space is formed. The other end of the hinge module is fixed inside the accommodating space. The portable computer further includes a battery component installed on the housing for covering the accommodating space so as to cover the hinge module.

Abstract: The disclosure relates to a current stimulator, which comprises a high voltage output module, a voltage control module and a charge pump module. The high voltage output module includes a plurality of stacked transistors, and receives an input control signal able to turn on/off the current stimulator and a first voltage. A second voltage is generated by adding the voltages output by all the transistors to the first voltage and then output to the voltage control module. The voltage control module outputs a voltage control signal able to stabilize the stimulus current for the load according to the second voltage and the load impedance variation. The charge pump regulates the first voltage according to the voltage control signal, and outputs the regulated first voltage to the high voltage output module. Thereby, the current stimulator can adaptively stabilize the stimulus current, responding to load impedance variation.

Abstract: A control circuit and a control method for a capacitive touch panel are provided. Therein, while a scanning signal charges and discharges each trace on the capacitive touch panel, a signal in phase with the scanning signal is provided to traces adjacent to the scanned trace or a ground layer under the scanned trace so as to lower parasitic capacitances between the scanned trace and the ground layer or other traces, thereby decreasing a base capacitance of the capacitive touch panel and enhancing a sensing result of the control circuit as well as providing a shielding effect and reducing noise interference so that the capacitive touch panel has improved performance.

Abstract: An electrostatic discharge protection circuit includes an input node coupled to receive an input signal and an output node coupled to output the input signal to an internal circuit. A first inductor is coupled to the input node and to the output node, and a second inductor is coupled to the output node and to a first power supply node through a resistance. A plurality of protection devices are coupled to the first and second inductors and are disposed in parallel with each other.

Abstract: This disclosure discloses a light-emitting chip comprises: a light-emitting stack, having a side wall, comprising an active layer emitting light; and a light-absorbing layer having a first portion surrounding the side wall and being configured to absorb 50% light toward the light-absorbing layer.

Abstract: A method for manufacturing a light-emitting device comprises the steps of: providing a first substrate; forming a semiconductor structure on the first substrate, wherein the semiconductor structure comprises a first type semiconductor layer, a second type semiconductor layer, and an active layer between the first type semiconductor layer and the second type semiconductor layer; forming an isolation region through the second type semiconductor and the active layer to separate the semiconductor structure into a first part and a second part on the first substrate; and injecting an electrical current with a current density to the second part to make the second part to be permanently broken-down; wherein after the second part is permanently broken-down, the first part is capable of generating electromagnetic radiation and the second part is incapable of generating electromagnetic radiation.

Abstract: A sensing method and circuit for a capacitive touch panel sense the capacitance variation of a lateral capacitor formed at the intersection of two traces of the capacitive touch panel, to distinguish a real point from a ghost point. A sensing cycle includes two non-overlapping clock phases. In the first clock phase, the voltages across the lateral capacitor and across a sensing capacitor are set. In the second clock phase, the voltage at a first, terminal of the lateral capacitor is changed, and a second terminal of the lateral capacitor is connected to a first terminal of the sensing capacitor, causing a voltage variation at a second terminal of the sensing capacitor. This voltage variation is used to determine whether the intersection is touched. The sensing method and circuit reflect the status of the lateral capacitor in real-time and prevent the location of the touch point from being misjudged.

Abstract: A touch display device includes a display panel and a light guide board. The light guide board includes a light guide base, a touch-sensitive membrane, and a buffer layer. The touch-sensitive membrane is disposed on a first surface of the light guide base for sensing the positions of the user's fingers or other indicants. The buffer layer is arranged between the light guide base and the touch-sensitive membrane for separating said light guide base from the touch-sensitive membrane. Since the touch-sensitive membrane is disposed on the light guide base, it is not necessary to provide an additional plastic substrate to install the touch-sensitive membrane thereon. Consequently, the thickness of the touch display device can be reduced.

Abstract: The invention discloses a method and a module for measuring rotation and a portable apparatus comprising said module. The module of the present invention is adapted for measuring rotation of a target, and the module includes a first sensor, a second sensor and a processor. The first sensor is disposed at a first location of the target, for sensing a first centripetal acceleration and a first tangential acceleration when the target is rotated. The second sensor is disposed at a second location of the target, for sensing a second centripetal acceleration and a second tangential acceleration when the target is rotated. The processor is coupled to the first sensor and the second sensor, for receiving the first centripetal acceleration and the first tangential acceleration from the first sensor, receiving the second centripetal acceleration and the second tangential acceleration from the second sensor, and calculating the rotation angle of the target accordingly.

Abstract: Connection establishing management methods for traversing network address translation (NAT) routers and firewalls between network terminal devices to establish a connection channel therebetween for use in a network system including at least first, second and third network terminal devices and a traversal server are disclosed. First, when traversal server receives a call request of first and second network terminal devices, network topology levels of first and second network terminal devices are detected to detect whether first and second network terminal devices are located behind NAT router and/or firewall. Then, one of first and second network terminal devices or third network terminal device is selected according to the detection result such that selected network terminal device acted as proxy server for the traversal server to establish a connection channel corresponding to call request between first and second network terminal devices.

Abstract: A light-emitting device comprising: a substrate having a first surface and a second surface, wherein the second surface is opposite to the first surface; a semiconductor structure formed on the first surface of the substrate, comprising a first type semiconductor layer, an active layer and a second type semiconductor layer; and an isolation region separating at least the active layer into a first part and a second part, wherein the first part is capable of generating the electromagnetic radiation, and the second part comprises a breakdown diode.

Abstract: An electrostatic discharge (ESD) protection circuit, suitable for an input stage circuit including a first N channel metal oxide semiconductor (NMOS) transistor, is provided. The ESD protection circuit includes an P channel metal oxide semiconductor (PMOS) transistor and an impedance device, in which the PMOS transistor has a source coupled to a gate of the first NMOS transistor, and a drain coupled to a source of the first NMOS transistor, and the impedance device is coupled between a gate of the PMOS transistor and a first power rail to perform a initial-on ESD protection circuit. The ESD protection circuit formed by the PMOS transistor and the resistor is capable of increasing the turn-on speed of the ESD protection circuit and preventing the input stage circuit from a CDM ESD event.

Abstract: A sensing method and circuit for a capacitive touch panel sense the capacitance variation of a lateral capacitor formed at the intersection of two traces of the capacitive touch panel, to distinguish a real point from a ghost point. A sensing cycle includes two non-overlapping clock phases. In the first clock phase, the voltages across the lateral capacitor and across a sensing capacitor are set. In the second clock phase, the voltage at a first terminal of the lateral capacitor is changed, and a second terminal of the lateral capacitor is connected to a first terminal of the sensing capacitor, causing a voltage variation at a second terminal of the sensing capacitor. This voltage variation is used to determine whether the intersection is touched. The sensing method and circuit reflect the status of the lateral capacitor in real-time and prevent the location of the touch point from being misjudged.

Abstract: An optical fiber connector includes a shell, a lens and a strengthening unit. The shell includes a blind hole extended along a first direction for receiving a fiber and a through hole communicated with the blind hole and extended along a second direction perpendicular to the first direction. The lens is formed on the shell to align with a bottom of the blind hole. The lens is capable of optically coupling with the fiber in the blind hole. The strengthening unit is formed in the through hole.

Abstract: A pneumatic spanner structure includes a head body, a link bevel gear unit, a hit unit and a driving handle. A driving motor axle portion at an open end of the driving handle drives a motor link bevel gear post and a hit unit link bevel gear plate of the link bevel gear unit. The hit unit link bevel gear plate links the hit unit. The link bevel gear unit enhances and transmits the force to the hit unit. The hit unit applies the acting force on a workpiece. The hit unit doesn't need a buffer space for actuation and the force is indirect. The link bevel gear unit is a deceleration device to extend the service life of the whole structure. The output force is more powerful than the prior art, providing a stable and compact structure.

Abstract: An equalized capacitive touchpad and a touch positioning method for a capacitive touchpad use an equalizer to correct a sensed value detected from a sensing line of the capacitive touchpad, to thereby offset the attenuation of the sensed value due to the impedance of the sensing line. Thus, the sensed values generated from different positions along a sensing line are equalized, and the touch positioning accuracy of the capacitive touchpad is improved.

Abstract: An electrostatic discharge (ESD) protection circuit, suitable for an input stage circuit including a first N channel metal oxide semiconductor (NMOS) transistor, is provided. The ESD protection circuit includes an P channel metal oxide semiconductor (PMOS) transistor and an impedance device, in which the PMOS transistor has a source coupled to a gate of the first NMOS transistor, and a drain coupled to a source of the first NMOS transistor, and the impedance device is coupled between a gate of the PMOS transistor and a first power rail to perform a initial-on ESD protection circuit. The ESD protection circuit formed by the PMOS transistor and the resistor is capable of increasing the turn-on speed of the ESD protection circuit and preventing the input stage circuit from a CDM ESD event.

Abstract: The disclosure relates to a load-adaptive bioelectrical current stimulator, which comprises a current output module, an adaptation module and a control module. The current output module generates a stimulus current to an electrode. The adaptation module detects the electrical status of the stimulus current passing through the electrode and generates a feedback signal to the control module. According to the feedback signal, the control module controls the current output module to stabilize the output status of the stimulus current adaptively. Thereby, the load-adaptive bioelectrical current stimulator can use the feedback control mechanism to regulate the value of the stimulus current to adapt to variation of load impedance.

Abstract: An exemplary LED module includes a ceramic substrate, a heat spreader, a heat sink, an LED die, and a packaging layer. The substrate defines a hole extending therethrough from a top side to a bottom side thereof. The heat spreader is disposed in the hole with a top side thereof substantially coplanar with the top side of the substrate. An outer circumferential surface of the heat spreader contacts an inner circumferential surface of the substrate around the hole. The heat sink is attached to the top sides of the substrate and the heat spreader. The LED die is attached to a bottom side of the heat spreader, and the packaging layer encapsulates the LED die.

Abstract: A representative electrostatic discharge (ESD) protection circuit includes a silicon-controlled rectifier (SCR) that is electrically coupled to the output of a power amplifier; an ESD detection circuit that triggers the SCR responsive to detect an electrostatic discharge on an ESD bus; and an ESD clamp circuit that is coupled to the first voltage line.