Abstract: The present disclosure provides a device for detecting a fixation of a stylus and an intelligent interactive board. The device according to the present disclosure includes a first support, a switch assembly, a magnet assembly and an elastic assembly. The switch assembly is arranged on the first support. A side of the magnet assembly being away from the first support is used to adhere the stylus. The switch assembly includes a micro switch. The micro switch includes a triggering button. The triggering button is arranged facing the magnet assembly, and the magnet assembly includes a triggering part. The magnet assembly is movably connected with the first support, and the elastic assembly is arranged at a movable joint between the magnet assembly and the first support. The device according to the present disclosure can detect the state of the stylus reliably and effectively.

Abstract: The present invention provides a high-strength and high-plasticity titanium matrix composite and a preparation method thereof. The preparation method includes: preparing high-oxygen hydride-dehydride titanium powder using a high-temperature rotary ball grinding treatment process, in which the prepared hydride-dehydride titanium powder has a particle size of 10-40 ?m, and has an oxygen content of 0.8-1.5 wt. %; preparing high-purity ultra-fine oxygen adsorbent powder using a wet grinding method of high-energy vibration ball grinding treatment process; in which a purity of the oxygen adsorbent powder is ?99.9%, and a particle size of the oxygen adsorbent powder is ?8 ?m; mixing the high-oxygen hydride-dehydride titanium powder with the oxygen adsorbent powder in a protective atmosphere, and then press-forming the powder obtained after mixing to obtain a raw material blank; and performing atmosphere protective sintering treatment on the raw material blank to obtain a titanium matrix composite.

Abstract: The present disclosure provides a device for detecting a fixation of a stylus and an intelligent interactive board. The device according to the present disclosure includes a first support, a switch assembly, a magnet assembly and an elastic assembly. The switch assembly is arranged on the first support. A side of the magnet assembly being away from the first support is used to adhere the stylus. The switch assembly includes a micro switch. The micro switch includes a triggering button. The triggering button is arranged facing the magnet assembly, and the magnet assembly includes a triggering part. The magnet assembly is movably connected with the first support, and the elastic assembly is arranged at a movable joint between the magnet assembly and the first support. The device according to the present disclosure can detect the state of the stylus reliably and effectively.

Abstract: The present invention discloses a display panel, a chip and a flexible circuit board. The display panel includes a panel body and at least two signal transmission circuits. The signal transmission circuit includes a line input terminal used for binding to a flexible circuit board, which is disposed at the peripheral area, a signal transmission line, and a line output terminal used for binding to a chip, which is disposed at the peripheral area. At least two of the line output terminals are arranged in a two-dimensional array. The present invention can reduce the impedance of a part of the signal transmission line.

Abstract: A flexible printed circuit board, a display panel, and a display device are disclosed. The flexible printed circuit board includes a first input portion, and at least a first output portion disposed on the first input portion. The first input portion and the first output portion are disposed at different sides of the flexible printed circuited board. The first output portion includes a plurality of first output terminals, and each of the first output terminals of the first output portion is spaced apart at a different distance from a top end of the first output portion.

Abstract: A flexible printed circuit board, a display panel, and a display device are disclosed. The flexible printed circuit board includes a first input portion, and at least a first output portion disposed on the first input portion. The first input portion and the first output portion are disposed at different sides of the flexible printed circuited board. The first output portion includes a plurality of first output terminals, and each of the first output terminals of the first output portion is spaced apart at a different distance from a top end of the first output portion.

Abstract: The present invention discloses a display panel, a chip and a flexible circuit board. The display panel includes a panel body and at least two signal transmission circuits. The signal transmission circuit includes a line input terminal used for binding to a flexible circuit board, which is disposed at the peripheral area, a signal transmission line, and a line output terminal used for binding to a chip, which is disposed at the peripheral area. At least two of the line output terminals are arranged in a two-dimensional array. The present invention can reduce the impedance of a part of the signal transmission line.

Abstract: An oblique flow booster fan includes an impeller having an impeller body and a plurality of blades, each blade spirally extended from top to bottom, two ends of each blade provided an upper edge and a lower edge respectively, and the upper edge having a width larger than the lower edge; an air guide assembly including an outer ring, an inner cylinder spaced apart in the outer ring, and air guide vanes evenly connected between the outer ring and the inner cylinder; a motor installed in the inner cylinder and having a rotating shaft connected to the impeller body; and a pressurization volute casing arranged outside the impeller and connected to the outer ring, one end of the pressurization volute casing provided with an air inlet, and another end of the outer ring provided with an air outlet. The fan is high wind pressure and low noise.

Abstract: The touch display panel drive circuit provided by the present invention comprises a data line drive unit, a plurality of gate lines and a plurality of data lines, and a junction of two adjacent gate lines and two adjacent data lines forms a pixel region, and a pixel switch is located inside the pixel region; the touch display panel drive circuit further comprises a data line switch between the data line and the data line drive unit; as the data line drive unit does not output the data signal, an output of the data line switch is a high-impedance state, and the data line drive unit is disconnected with the pixel switch. The present invention can prevent the error reading phenomenon generated by the transistor leakage, and can enhance the display brightness and the stability of the display image, and promote the display effect of the touch display panel.

Abstract: Provided is a driving method of a liquid crystal display panel, comprising: inputting an activation voltage to the scan lines from a first direction in a first duration, and inputting a pixel voltage of a first polarity to the data lines to charge the pixel capacitors; inputting an activation voltage to the scan lines from the first direction in a second duration, and inputting a pixel voltage of a second polarity to the data lines to charge the pixel capacitors; inputting an activation voltage to the scan lines from a second direction in a third duration, and inputting the pixel voltage of the first polarity to the data lines to charge the pixel capacitors; inputting an activation voltage to the scan lines from the second direction in a fourth duration, and inputting the pixel voltage of the second polarity to the data lines to charge the pixel capacitors.

Abstract: A driving device for liquid crystal panel comprising: a scanning driver for applying a scanning voltage to pixels arranged as a matrix row by row; and a data driver for receiving an image data and a polarity inversion signal, obtaining original data voltages according to the image data, determining if amplifying the original data voltages along a scanning direction according to the polarity inversion signal, and providing the original data voltages or data voltage after being amplified to pixels. A driving method is also disclosed. When polarity inversion signal is inverted to a positive polarity from a negative polarity, the data voltages applied on the data line are gradually increased along a scanning direction. Accordingly, when the polarity inversion signal is inverted to a negative polarity from a positive polarity, the pixel which leaks current seriously is charged with a larger amount of charges, uneven display brightness is obviously decreased.

Abstract: A driving device for liquid crystal panel comprising: a scanning driver for applying a scanning voltage to pixels arranged as a matrix row by row; and a data driver for receiving an image data and a polarity inversion signal, obtaining original data voltages according to the image data, determining if amplifying the original data voltages along a scanning direction according to the polarity inversion signal, and providing the original data voltages or data voltage after being amplified to pixels. A driving method is also disclosed. When polarity inversion signal is inverted to a positive polarity from a negative polarity, the data voltages applied on the data line are gradually increased along a scanning direction. Accordingly, when the polarity inversion signal is inverted to a negative polarity from a positive polarity, the pixel which leaks current seriously is charged with a larger amount of charges, uneven display brightness is obviously decreased.

Abstract: Provided is a driving method of a liquid crystal display panel, comprising: inputting an activation voltage to the scan lines from a first direction in a first duration, and inputting a pixel voltage of a first polarity to the data lines to charge the pixel capacitors; inputting an activation voltage to the scan lines from the first direction in a second duration, and inputting a pixel voltage of a second polarity to the data lines to charge the pixel capacitors; inputting an activation voltage to the scan lines from a second direction in a third duration, and inputting the pixel voltage of the first polarity to the data lines to charge the pixel capacitors; inputting an activation voltage to the scan lines from the second direction in a fourth duration, and inputting the pixel voltage of the second polarity to the data lines to charge the pixel capacitors.

Abstract: A driving circuit for touch screen, a touch screen, and an electronic terminal are disclosure. The driving circuit for touch screen comprises: a control circuit, used for generating and outputting a scanning signal and a data selection signal according to a position of an electrode to be driven; and a data selection circuit, an input end thereof being connected with said control circuit, output ends thereof each being connected with a corresponding scanning end of the touch screen, wherein the data selection circuit is configured to turn on or turn off a connection between an input end thereof and an output end corresponding to the electrode to be driven according to said data selection signal. In the driving circuit, the influence on the following detection of the touch points generated by the attenuation of the scanning signal during transmission process can be reduced effectively, so that the reliability and accuracy of the detection result can be ensured.

Abstract: A display panel and a display terminal are disclosed. The display panel includes a display, a main board, and a FPC board connecting the display and the main board together. The FPC board has a portion of its surface attached with an EMI shielding layer. At least an edge of the EMI shielding layer is an edge with curves. The FPC board simplifies the assembly of the display panel, reduces production cost and maintenance inconvenience, and contributes to the display panel's downsizing. The EMI shielding layer prevents noises of different frequency ranges from affecting the display signals. The at least one edge with curves of the EMI shielding layer lessens stress between and therefore protects the EMI shielding layer and the FPC board from damages.

Abstract: The touch display panel drive circuit provided by the present invention comprises a data line drive unit, a plurality of gate lines and a plurality of data lines, and a junction of two adjacent gate lines and two adjacent data lines forms a pixel region, and a pixel switch is located inside the pixel region; the touch display panel drive circuit further comprises a data line switch between the data line and the data line drive unit; as the data line drive unit does not output the data signal, an output of the data line switch is a high-impedance state, and the data line drive unit is disconnected with the pixel switch. The present invention can prevent the error reading phenomenon generated by the transistor leakage, and can enhance the display brightness and the stability of the display image, and promote the display effect of the touch display panel.

Abstract: A display device and a method for displaying an image thereof are disclosed. The display device includes a display panel, a gray scale voltage output circuit, a common voltage output circuit and a control circuit. The display panel, according to a first gray scale voltage signal and a first common voltage signal, display an image; the control circuit is used for controlling the gray scale voltage output circuit and the common voltage output circuit to output a second gray scale voltage signal and a second common voltage to the display panel when at a predetermined time to display another image. The present invention can cause the blink rate to be maintained over time at a relatively stable range.

Abstract: The present invention discloses a detection circuit and a detection method of a self-capacitance touch screen. The detection circuit comprises a charging module and a voltage measuring module.

Abstract: A display device and a method for displaying an image thereof are disclosed. The display device includes a display panel, a gray scale voltage output circuit, a common voltage output circuit and a control circuit. The display panel, according to a first gray scale voltage signal and a first common voltage signal, display an image; the control circuit is used for controlling the gray scale voltage output circuit and the common voltage output circuit to output a second gray scale voltage signal and a second common voltage to the display panel when at a predetermined time to display another image. The present invention can cause the blink rate to be maintained over time at a relatively stable range.

Abstract: The present invention discloses a liquid crystal display having touch function and a touch detection method thereof. The liquid crystal display comprises a display module and a touch module, and the display module and the touch module share a common electrode. The display module sequentially executes a plurality of operations of gate drive and gray scale drive in each frame. The touch module executes operations of touch detection as the display module executes a present operation of gate drive and gray scale drive and a voltage of the common electrode is in stable. With the aforementioned arrangement, the present invention is capable of reducing the interference of the display signals and the touch signals to improve the display quality and touch effect.