Abstract: The present disclosure provides a method for manufacturing an auto-crosslinked hyaluronic acid gel, comprising conducting auto-crosslinking reaction of a colloid containing hyaluronic acid continuously at low temperature in an acidic environment, and treating the reaction product with steam at high temperature to obtain the auto-crosslinked hyaluronic acid gel with high viscosity.

Abstract: A method of fabricating a semiconductor structure includes the following steps. A semiconductor wafer is provided. A plurality of first surface mount components and a plurality of second surface mount components are bonded onto the semiconductor wafer, wherein a first portion of each of the second surface mount components is overhanging a periphery of the semiconductor wafer. A first barrier structure is formed in between the second surface mount components and the semiconductor wafer. An underfill structure is formed under a second portion of each of the second surface mount components, wherein the first barrier structure blocks the spreading of the underfill structure from the second portion to the first portion.

Abstract: A portable power source with removal warning function includes a large battery, a interface, a charging and discharging circuit, a wireless communication module, an alarm module; and a processor. The interface can connect to one of an external power supply and battery (ED battery) of an electronic device. The charging and discharging circuit can charge and allow discharge of the large battery and the charging of an ED battery. The wireless communication module can communicate between the portable power source and the electronic device. The processor can determine whether a distance between the portable power source and the electronic device is within or beyond a preset distance and control the alarm module to sound if the distance is beyond the preset distance.

Abstract: A photosensitive input device includes a stylus, a photosensitive input panel including an induction layer, a photoelectric detecting circuit, a driving circuit, a controller, and a storage device. The induction layer includes a plurality of photosensitive units including a light-emitting element and a light-receiving element together. The photosensitive element outputs a current when struck by the light from the stylus, the current intensity being dependent on the wavelength of the emitted light. The photoelectric detecting circuit determines coordinates based on the induced current and the intensity of the induced current. The driving circuit generates a driving current or a reduced or a zero current in response, based on a pre-determined table and outputs the driving current to show the track of the stylus-light across the input panel, by illuminating the relevant light-emitting elements or by switching down or switching off the relevant light-emitting elements.

Abstract: A photosensitive input device includes a stylus, a photosensitive input panel including an induction layer, a photoelectric detecting circuit, a driving circuit, a controller, and a storage device. The induction layer includes a plurality of units including a light-emitting element and a photosensitive element. The photosensitive element outputs an induced current when struck by the stylus. The photoelectric detecting circuit determines coordinates of the photosensitive element generating the induced current and the intensity of the induced current. The driving circuit generates a driving current in response to the controller based on the induced current and the illuminated icon, and outputs the driving current to the light-emitting elements for adjusting the brightness of the light-emitting elements.

Abstract: An electronic paper (E-paper) display device includes a first substrate comprising at least one side wall having a high reflectance film coated thereon, an E-paper layer, and a second substrate. A light source installed beside and facing the at least one sidewall of the first substrate, the light source being configured for illuminating the E-paper layer with some of the light from the light source directly illuminating the E-paper layer and some of the light from the light source illuminating the E-paper layer via the reflection of the high reflectance film.

Abstract: A capacitive pressure sensing element includes a main body, a power supply with a positive electrode and a negative electrode connected to a first electrode and a second electrode mounted on the main body, a first sheet metal electrically connected to the first electrode, a second sheet metal, and a spring element connected between the second electrode and the second sheet metal. When the spring element is uncompressed, the second sheet metal is misaligned relative to the first sheet metal. When the spring element is compressed, the second sheet metal is move towards the first end to a position with a reduced misalignment degree relative to the first sheet metal, thereby the portion of the first sheet metal squarely opposing the second sheet metal is increased to generate an inductive capacitance between the first sheet metal and the second sheet metal. A related stylus is also provided.

Abstract: A chargeable case of an electronic device includes an envelop body for enveloping an electronic device therein, a receiving coil, a power output interface and a built-in AC/DC rectifying circuit. The receiving coil wirelessly receives alternating current from a power supply device. The power output interface connects a power input interface of the electronic device. The AC/DC rectifying circuit is connected the receiving coil and the power output interface. The AC/DC rectifying circuit converts the received alternating current into direct current and supplies the direct current to the power output interface for charging the electronic device. A charging system is also disclosed.

Abstract: A cover for mounting to a Universal Serial Bus (USB) electronic device, the USB electronic device includes a shell defining an opening and a USB connector exposed at the opening. The USB connector includes a GND pin and an ID pin. The cover includes a main body and an elastomeric push button; the main body engagably attaches to the shell and covers the opening; the elastomeric push button is formed on the main body and is configured for powering on or off the USB electronic device; the elastomeric push button includes two metal pins connected with each other and configured for short-circuiting the GND pin to the ID pin when the elastomeric push button is depressed.

Abstract: An electrophoretic display device includes a common electrode, an electrophoresis layer, and pixel electrodes. The electrophoretic layer includes cavities, with each cavity arranged between one of the pixel electrodes and the common electrode, and comprises suspension fluid, first type charged particles, and second type charged particles. The first type charged particles and the second type charged particles are dispersed in the suspension fluid. Three cavities constitute a pixel unit. The first type charged particles and the second type charged particles in each of the three cavities constituting the pixel unit are one of red, green, and blue particles, and one of yellow, magenta, and cyan particles, respectively.

Abstract: A cover for mounting to a Universal Serial Bus (USB) electronic device, the USB electronic device includes a shell defining an opening and a USB connector exposed at the opening. The USB connector includes a GND pin and an ID pin. The cover includes a main body and an elastomeric push button; the main body engagably attaches to the shell and covers the opening; the elastomeric push button is formed on the main body and is configured for powering on or off the USB electronic device; the elastomeric push button includes two metal pins connected with each other and configured for short-circuiting the GND pin to the ID pin when the elastomeric push button is depressed.

Abstract: A control device includes a plug, a number of resistors and a number of switches, and a number of buttons corresponding to the switches respectively. The resistors and the switches cooperatively form a plurality of current circuits. A control system using the control device includes an electronic device, which includes a socket connected to the plug. The socket includes an ADCIO pin coupled to the first pin, which connects to a power source via a pull-up resistor. A connection node between the ADCIO pin and the pull-up resistor forms a voltage detection point. When the control device is connected to the electronic device, if one of the buttons is pressed, the switch corresponding to the pressed button is switched on to generate a corresponding conductive current circuit, and generate an input signal at the voltage detection point. The electronic device executes a corresponding function according to the input signal.

Abstract: A wire control device for wired remotely controlling an electronic device. The wire control device includes a USB connector and a control switch, and the control switch generates control signals. The electronic device includes a USB port and a process unit. When the USB port is connected to the USB connector of the wire control device, the process unit receives the control signals via the USB port and executes corresponding functions.

Abstract: An electrophoretic display device includes pixel electrodes, a transparent electrode, and an electrophoretic ink layer including cavities. Each cavity is arranged between one of the pixel electrodes and the transparent electrode, and each cavity comprises suspension fluid, charged particles, and neutral particles, the charged particles and neutral particles being dispersed in the suspension fluid. The neutral particles are dispersed in the center of the cavities and substantially stationary, and the charged particles are capable of moving through the suspension fluid. Application of an electric field to a pixel electrode and the transparent electrode causes a migration of the charged particles of a cavity connected to the pixel electrode and a corresponding color becomes viewable.

Abstract: A color electroluminescent (EL) display device comprises a transparent substrate, and a transparent electrode arranged on the transparent substrate. The EL display also includes an electroluminescent layer arranged on the transparent electrode that comprises a plurality of pixel units. Each pixel unit comprises at least two regions comprising electroluminescent materials capable of emitting light of different colors. The EL display further comprises a plurality of opposing electrodes arranged on the electroluminescent layer. Each of the opposing electrodes cooperates with the transparent electrode to apply a voltage to one of the at least two regions of each pixel unit.

Abstract: An electronic device includes a transparent touch pad, a switch module, a CPU, a touch control module, and a display control module. The switch module is configured to enable or disable the touch pad in response to user operations, and generate an operation signal. The operation signal is an enabling signal or a disabling signal. The CPU generates a control signal and a display signal upon receiving the enabling signal or the disabling signal from the switch module. The touch control module enables or disables the touch pad corresponding to the control signal, and the display control module controls to divide a display area into a first display area and a second display area to display content or recombine the first display area and second display area together and display the non-operable interface.

Abstract: An electrophoretic paper device is provided. The electrophoretic paper device includes a plurality of pixel electrodes arranged on a lower substrate. The electrophoretic paper device also includes an upper substrate having a common electrode that covers an entire area corresponding to a display surface. The electrophoretic paper device further includes an electrophoretic ink layer, which includes a plurality of tubular cavities and each of the tubular cavities contains suspension fluid and a plurality of charged pigment particles dispersed in the suspension fluid.

Abstract: An electronic paper (E-paper) display device includes a first substrate comprising at least one side wall having a high reflectance film coated thereon, an E-paper layer, and a second substrate. A light source installed beside and facing the at least one sidewall of the first substrate, the light source being configured for illuminating the E-paper layer with some of the light from the light source directly illuminating the E-paper layer and some of the light from the light source illuminating the E-paper layer via the reflection of the high reflectance film.

Abstract: An electrophoretic display device includes a common electrode, an electrophoresis layer, and pixel electrodes. The electrophoretic layer includes cavities, with each cavity arranged between one of the pixel electrodes and the common electrode, and comprises suspension fluid, first type charged particles, and second type charged particles. The first type charged particles and the second type charged particles are dispersed in the suspension fluid. Three cavities constitute a pixel unit. The first type charged particles and the second type charged particles in each of the three cavities constituting the pixel unit are one of red, green, and blue particles, and one of yellow, magenta, and cyan particles, respectively.

Abstract: An E-paper display device with touch sensing function includes a composite transparent electrodes layer including at least one layer of touch electrodes responding to a touch, a pixel electrode, and an electrophoretic medium contacting the composite transparent electrodes layer and arranged between the composite transparent electrodes layer and the pixel electrode. One of the at least one layer of touch electrodes forms a display layer with the pixel electrode and the electrophoretic medium. A driving circuit configured to detect the location of a user touch on the composite transparent electrodes layer and drive the electrophoretic medium layer for displaying content. With the use of the composite transparent electrodes layer, the light propagation efficiency can be effectively improved, and the manufacturing technology is simplified.