9results about How to "Avoid afterimage" patented technology

The embodiment of the present application discloses an image sensor and an electronic information device for improving full well capacity. The image sensor comprises: a photodiode formed in a semiconductor substrate; the photodiode comprises at least a first doped layer, a second doped layer and a columnar third doped region; the second doped layer wraps the side and bottom of the third doped region; the first doped layer wraps the side and bottom of the second doped layer; the first doped layer and the second doped layer form a first lateral PN junction; the second doped layer and the third doped region form a second lateral PN junction; wherein the first doped layer and the third doped region have the same conductivity type, and the conductivity type is opposite to that of the second doped layer. The embodiment of the present application replaces the central part of the photodiode with a columnar ion doped region (for example, a P-type layer), so that the image sensor with the epitaxial structure can effectively improve the full well capacity, effectively reduce the depletion potential of the center of the photodiode, avoid the occurrence of lag, and reduce the dark current.

The application discloses a scene change-based intelligent code rate control optimization method, which comprises the following steps: acquiring a video image; performing motion estimation on video coding; performing foreground change detection to obtain a detection result; evaluating a dynamic I frame setting point according to the detection result; and judging scene change according to an internal motion vector of coding and intelligently controlling an I frame interval, so that the code rate in a specific scene can be effectively reduced, and the human eye cannot obviously feel a trailing phenomenon.

The embodiment of the invention provides a pixel driving circuit, a driving method, a display panel and electronic equipment, and relates to the technical field of display. The circuit comprises a light-emitting module, a driving module, a primary storage module, a secondary storage module, a bias compensation module, a data write-in module and a light-emitting control module, the driving module comprises a control end, a first end and a second end; the primary storage module is connected to the control end of the first power supply and driving module; the secondary storage module is connected to the first end of the driving module and the data writing module; the bias compensation module is connected to the second power supply and the second end of the driving module and is used for writing bias compensation voltage into the second end of the driving module in a compensation stage; the data write-in module is connected to the third power supply and the secondary storage module and used for writing in data voltage in the data write-in stage. By means of the structure, data voltage can be rapidly written in, and the display requirements of high refresh rate and high resolution are met.

A display device and a driving method of the display device are provided. The display device includes a display panel displaying an image, an image data receiving unit receiving the image data, a compensation unit generating life compensation data by compensating the image data based on life data, and a panel driving unit providing a data signal corresponding to the life compensation data to the display panel to drive the display panel. The compensation unit includes a compensation unit receiving first accumulated data and generating the life data based on the first accumulated data, and outputting the life compensation data in which the image data is compensated based on the life data, a memory control unit receiving second accumulated data and the life data from the compensation unit, a volatile memory storing the second accumulated data received from the memory control unit, a main non-volatile memory storing the second accumulated data received from the memory control unit, and a sub non-volatile memory storing the life data received from the memory control unit.

The utility model provides a kind of touch module, electronic paper display module and electronic paper display screen, this electronic paper display module includes electrophoretic display module, the touch module being set on the electrophoretic display module display face top, light guide plate, front light illumination device, is equipped with TP electrode on the touch module in the electrophoretic display module display area peripheral position, the TP electrode top near front light illumination device side is covered with the shelter for covering this TP electrode.The front light illumination effect of the utility model touch module, electronic paper display module and display screen, will not be affected by touch module and produce light spot and ghosting.

The invention discloses a digital signage with a screen moistening function and a screen moistening method thereof, the digital signage comprises a display panel and a controller, the display panel is configured to display content, and the controller is configured to perform screen moistening processing on the display panel based on a configured screen moistening trigger condition. The screen moistening processing is to play the set screen moistening display content on the display panel in a rolling manner for a specified duration. Starting and stopping of the screen moistening program are accurately controlled, it is ensured that the screen moistening program is automatically started in the non-high-frequency use time period of a client or when the screen is in a low load state, and therefore normal use of the client is prevented from being disturbed. According to the screen moistening method, pixel refreshing is carried out by displaying well-designed dynamic images, and the images cover different colors, brightness and animation effects. The refreshing strategy of the dynamic image aims at uniformly dispersing the pixel load and effectively reducing the liquid crystal molecule polarization risk caused by long-time display of the static image.

This application relates to the field of display technology, providing a driving circuit control method, an electronic device, and a computer-readable storage medium. The driving circuit includes a driving transistor. The method includes: sequentially outputting control signals for a first number of frames to the driving circuit according to a first frame rate; then, sequentially outputting control signals for a second number of frames to the driving circuit according to a second frame rate, where the second frame rate is less than the first frame rate; then, sequentially outputting control signals for a first number of other frames to the driving circuit according to a first other frame rate, where the first other frame rate is less than the second frame rate; the sum of the product of the reciprocal of the first frame rate and the first number of frames, the product of the reciprocal of the second frame rate and the second number of frames, and the product of the reciprocals of the first other frame rates and other products of the first other number of frames is a first sum value; the difference between the characteristic recovery time of the driving transistor and the first sum value is less than or equal to a preset duration threshold, where the preset duration threshold is a positive number. This method can eliminate afterimages on white screens.

The application provides a display panel, which comprises an array substrate, a counter substrate and a liquid crystal layer arranged between the array substrate and the counter substrate. A display area of the array substrate comprises a plurality of pixel units for performing image display, each of the pixel units comprises a liquid crystal capacitor and a storage capacitor, the liquid crystal capacitor is connected with a first common electrode line, and the storage capacitor is connected with a second common electrode line. A switch unit is connected with the first common electrode line and the second common electrode line, and is used for electrically connecting the first common electrode line and the second common electrode line when power is turned off, so that the liquid crystal capacitor and the storage capacitor have the same voltage and discharging speed, thereby avoiding screen flickering and image sticking, and effectively improving display effect. The application further provides a display device comprising the display panel.

The present invention discloses a backlight module and a light-emitting touch device thereof, wherein the light-emitting touch device comprises: a circuit board, a backlight module and a cover plate. The backlight module comprises a light guide plate, a light source assembly and a shading strip. The light guide plate comprises a first plate body and a second plate body which are interlocked with each other. The first plate body has a plurality of first microstructures, and the second plate body has a plurality of second microstructures. The shading strip is located at the outer periphery of the light guide plate and extends to the junction between the first plate body and the second plate body to block the penetration of light between the first plate body and the second plate body. The cover plate comprises a first light-transmitting area and a second light-transmitting area corresponding to the first microstructure and the second microstructure, respectively.