Abstract: An electronic book reader includes an E-paper display, a display controller, a SDRAM, and a group of control buttons. The display controller is connected to the E-paper display. The SDRAM is connected to the display controller, and stores a group of display data. The control buttons are electrically connected to the display controller for responding to user input and generating an updating signal to the display controller to open a destination page. The display controller is configured for accessing the SDRAM to obtain the display data of the destination page upon receiving the updating signal, and driving the E-paper display to display the destination page.

Abstract: An electronic paper device is provided. The electronic paper device includes a touch panel, a conductive layer, a plurality of pixel electrodes, an electrophoretic ink layer, a common electrode layer, and a processing unit. The electrophoresis layer is electrically connected between the plurality of pixel electrodes and the common electrode layer. The conductive layer and the common electrode layer respectively have a different voltage. When the user touches the electronic paper device, causes the touch panel produce a touch signal and the conductive layer contacts a pixel electrode corresponding to the touch position. Then the processing unit determines the touch position according to the touch signal. The pixel electrode obtains the voltage of the conductive layer and an electric field is form between the pixel electrode and the common electrode layer. This causes the color to change at the position that is corresponding to the touched position.

Abstract: An electronic paper device is provided. The electronic paper device includes a common electrode layer, a plurality of pixel electrodes, an electrophoretic ink layer, a conductive layer, a touch panel, and a processing unit. The electrophoretic ink layer is electrically connected between the plurality of pixel electrodes and the common electrode layer. The conductive layer and the common electrode layer respectively have a different voltage. When the user touches the electronic paper device and causes the conductive layer contacts a pixel electrode corresponding to the touch position, then the pixel electrode obtain the voltage of the conductive layer and an electric field is formed between the pixel electrode and the common electrode layer. This causes the color to change at the position that is corresponding to the touched position.

Abstract: An electronic paper device is provided. The electronic paper device includes a conductive layer, a number of pixel electrodes, an electrophoretic ink layer, a common electrode layer, a voltage detection unit, and a processing unit. Each pixel electrode corresponds to a coordinate of a coordinate system. The electrophoretic ink layer is electrically connected between the number of pixel electrodes and the common electrode layer. The conductive layer and the common electrode layer have a different voltage when the electronic paper device is powered on. When the user touches the electronic paper device and causes the conductive layers to contact a pixel electrode corresponding to the touch position, the pixel electrode obtains the voltage of the conductive layer and an electric field is form between the pixel electrode and the common electrode layer. This causes the color to change at the position that is corresponding to the touched position.

Abstract: An electronic paper device is provided. The electronic paper device includes a common electrode layer, a plurality of pixel electrodes, an electrophoretic ink layer, a conductive layer, a voltage detection unit, and a processing unit. Each pixel electrode corresponds to a coordinate of a coordinate system. The electrophoretic ink layer is electrically connected between the plurality of pixel electrodes and the common electrode layer. The conductive layer and the common electrode layer respectively have a different voltage. When the user touches the electronic paper device and causes the conductive layer contacts with a pixel electrode corresponding to the touch position, then the pixel electrode obtain the voltage of the conductive layer and an electric field is form between the pixel electrode and the common electrode layer. Thereby causing a color change of the position of the electronic paper device corresponding to the touch position.

Abstract: A method for adjusting driving waveforms in an electrophoretic display includes: measuring grey level of the electrophoretic display periodically; comparing the measured grey level with a standard grey level, selecting a driving waveform from pre-stored driving waveforms according to the current grey level and the standard grey level if the measured grey level is not equal to the standard grey level; and applying the selected driving waveform to achieve the standard grey level. The electrophoretic display is also provided.

Abstract: An electrophoretic display device includes pixel electrodes, a transparent electrode, and an electrophoretic ink layer. The electrophoretic ink layer includes a transparent film. Grooves are defined on the transparent film. Each groove is arranged between one of the pixel electrodes and the transparent electrode, and includes suspension fluid, and charged pigment particles dispersed in the suspension fluid. When application of an electric field between one of the pixel electrodes and the transparent electrode causes movement of the charged pigment particles of one of the grooves corresponding to the pixel electrode, and the groove displays a corresponding color.

Abstract: An electrophoretic display device includes an electrophoretic ink layer, a plurality of pixel electrodes and a plurality of TFTs (thin film transistors) formed on a lower substrate. Each pixel electrode is connected between one TFT and the electrophoretic ink layer, first path terminals of all of the TFTs are connected to a power source driver, control terminals of all of the TFTs are connected to a gate driver. A transparent electrode is formed between the upper substrate and the electrophoretic ink layer. The electrophoretic ink layer includes a plurality of tubular cavities connected between the transparent electrode and the pixel electrodes, each tubular cavity contains a plurality of charged pigment particles. When a TFT is turned on by the gate driver, the source driver applies a voltage to the pixel electrode corresponding to the TFT, then driving the charged pigment particles to move and the tubular cavity displays corresponding color.

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 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 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: An electrophoretic display device includes a plurality of pixel electrodes arranged on a lower substrate, and an upper substrate having a common electrode that covers an entire area corresponding to a display surface. The electrophoretic display device further includes an electrophoretic ink layer having a plurality of cavities. Each of the cavities contains suspension fluid and a plurality of charged pigment particles dispersing in the suspension fluid. The electrophoretic display device also includes a plurality of pixel units, each of which includes three of the plurality of cavities. Each of the three cavities contains the black particles and particles of the red particles, green particles, or blue particles, respectively.

Abstract: A method of updating content applied on an E-book, which includes: an electronic paper display, a first power supply, a RTC, a second power supply, a power manager, and a central processor. The method includes: keep time; generating a control signal for turning on the first power supply when it is time to update; turning on the first power supply in response to the control signal; updating content displayed on the electronic paper display; and cutting off the first power supply after updating is completed.

Abstract: A power-off circuit includes a power unit (10), a power management unit (20), an integrated circuit chip (IC chip, 40), a switching apparatus (30), and a clamp circuit (70). The switching apparatus produces and transmits a power-off instruction to the power management unit. The power management unit produces and transmits a power-off notice to the IC chip in accordance with the power-off instruction. And the IC chip feeds back a power-off affirmation in accordance with the power-off notice to the clamp circuit. The clamp circuit receives the power-off affirmation and produces and transmits interrupted power-off signals to the power management unit, till the power management unit completely cuts off power supplied from the power unit to the IC chip.

Abstract: A file display system is provided. The file display system includes a MCU (10), a display control unit (20) and a display unit (30). The MCU receives power-on commands and power-off commands from a control unit (50). According to the preferred embodiment, upon receiving a power-off command, the MCU reads a next page data content of a currently displayed page from a storage apparatus (40) and stores the next page data content in the display control unit; and upon receiving a following power-on command, the MCU enables the display control unit, and the display control unit controls the next page data content stored therein to be displayed on the display unit, the next page data content therefore becomes a currently displayed page. A related method is also provided.

Abstract: A power supply system includes a power supply unit, a conductive wire group and a voltage converter. The conductive wire group consists of a numbers of wires and extends from the power supply unit to electrically connect the voltage converter. The voltage converter can electrically connect at least a working element. Therefore, a first supply voltage is provided from the power supply unit to the voltage converter via the wires, the voltage converter converts the first supply voltage into a second supply voltage for the working element.

Abstract: A voltage enhanced battery module and a voltage enhanced battery assembly with the same are described. The voltage enhanced battery module includes a battery cell and a voltage enhancing circuit. The battery cell provides an original output voltage, and the voltage enhancing circuit generates a predetermined voltage difference with the power of the original output voltage to output an actual output voltage to a load. The predetermined voltage difference is superimposed on the original output voltage so that the actual output voltage equals the original output voltage plus the predetermined voltage difference. The battery cell is preferably a rechargeable Li—Fe battery cell. The voltage enhancing circuit can stop superimposing the predetermined voltage difference on the original output voltage when the original output voltage is lower than a predetermined value so that the actual output voltage equals the original output voltage.

Abstract: An image display device is provided. The device includes a display screen, a storage unit, and a processing unit. The storage unit stores images and selection interface information. The selection interface information includes a plurality of catalogues each of which collects one or more images. The processing unit includes a selection interface display module, a selection control module, and an image search module. The selection interface display module controls the display screen to display a selection interface that provides the catalogues for selection according to the selection interface information. The selection control module generates a selection signal in response to a selection operation on the selection interface. The selection signal indicates which catalogue on the selection interface is selected. The image search module searches the storage unit for the images according to the selection signal. An image display method is also provided.

Abstract: An input circuit shared by multi signal sources each of which outputting a type of signals includes a processing unit (10). The processing unit includes a plurality of input pins (11) and an interrupt pin (12), each of the input pins connecting with one or more of the signal sources and receiving signals from the signal sources. The input circuit further includes a tristate buffer (30) The tristate buffer includes an enable pin (33) enabling the tristate buffer upon receiving an enable signal, a plurality of input pins (31) connecting with one or more of the signal sources and receiving signals from the signal sources, and a plurality of output pins (32) connecting with the interrupt pin of the processing unit and producing an interrupt signal to the interrupt pin according to the signals received at the input pins. A related wake-up signal input circuit is also provided.

Abstract: A digital photo frame with a background color editing function includes a storage unit; an interface used for connecting with an external storage device; a display screen including a primary display area for displaying digital images and a secondary display area for displaying a default background color, wherein the secondary display area surrounds the primary display area; and a processing unit comprising: a digital image obtaining module for obtaining data of a digital image from the storage unit or the external storage device, and displaying the digital image on the primary display area; a hue obtaining module for obtaining the main hue of a digital image; and an editing module for changing the default background color into the main hue. Related methods are also provided.