22 results about "Subpixel rendering" patented technology

A screen display method is disclosed, characterized by the following steps: After acquiring bitmap data of content to be displayed, the electronic device performs software filtering on the bitmap data before sending it to the display screen; then, the software-filtered bitmap data is rendered using a sub-pixel rendering algorithm, and the OLED light-emitting points on the display panel are driven according to the RGB grayscale values ​​determined after sub-pixel rendering to display the content to be displayed. The filtering parameters of the software filtering are determined based on the sub-pixel rendering algorithm. The combined effect of software filtering and the sub-pixel rendering algorithm optimizes the display edges of the content to be displayed on the OLED display panel, thereby changing the display effect. This solves the problem of the inability to update the sub-pixel rendering algorithm online.

This application provides a display device and a subpixel rendering method. The display device includes a display panel and a driving chip. The display panel includes a plurality of pixel units arranged sequentially in a first direction and a second direction. Each pixel unit includes a first subpixel, a second subpixel, and a third subpixel. The first subpixel in one pixel unit is disposed on the side of the second subpixel and the third subpixel facing the second direction. The first subpixel in a pixel unit adjacent to one of the pixel units is disposed on the side of the second subpixel and the third subpixel away from the second direction. Each first subpixel is adjacent to a second subpixel on the side facing the first direction and to a third subpixel on the side of the first subpixel away from the first direction. This application recalculates the brightness of a specific subpixel in a target pixel unit through a subpixel rendering module in the driving chip, thereby improving the color fringing effect and enhancing the display effect.

The display method and display device for improving line sharpness are provided, the line is a red line in a red and black interval line or a blue line in a blue and black interval line, the display method comprises the following steps: obtaining a to-be-displayed original image of a display screen, the display screen is an active matrix organic light emitting diode display screen in which sub-pixels are arranged in a diamond arrangement manner; when performing sub-pixel rendering processing on the to-be-displayed original image, mapping a pixel in the line in the to-be-displayed original image to a sub-pixel with the same color as the pixel in a corresponding range of the pixel on the display screen, and configuring a non-zero pixel value for other sub-pixels in the corresponding range; and displaying sub-pixel data obtained after the to-be-displayed original image is subjected to the sub-pixel rendering processing through the display screen. The display method and display device can solve the problem that a red and black interval line or a blue and black interval line is not sharp enough when displayed on an AMOLED display screen arranged in a diamond arrangement manner.

The present disclosure provides a method for rendering subpixels of a display panel. The method includes: selecting a repeating module from a first database based on correspondences between a driving unit of a driving circuit of the display panel and a number of subpixels driven by the driving unit; dividing the subpixels of the display panel into a plurality of regions based on the selected repeating module; selecting a sampling range for each subpixel from a second database based on a position of the subpixel within the repeating module; sampling input display data for each subpixel based on the selected sampling range of the subpixel; and rendering the subpixel according to the sampled input display data. The first database comprises a plurality of pre-stored repeating modules, and the second database comprises a plurality of pre-stored sampling ranges.

A driver device configured to drive a display panel to display images is provided. The driver device includes a storage circuit, a processor circuit, and a source driving circuit. The storage circuit stores image processing parameters. The processor circuit receives an input frame data and a selecting signal indicating a first subpixel rendering (SPR) format that the input frame data is in. The processor circuit processes the input frame data according to a part of the image processing parameters which is selected according to the selecting signal, to generate the output frame data. The source driving circuit receives a first frame data in a subpixel arrangement format from the processor circuit, and generates data voltages according to the first frame data to drive subpixels of the display panel. The subpixels of the display panel are arranged in the subpixel arrangement format.

This application discloses an image data processing method, apparatus, and electronic device, belonging to the field of image data processing technology. The method is applicable to an electronic device, which includes a first processing unit, a second processing unit, a display driving unit, and a display screen. The second processing unit is connected to the display screen sequentially via the first processing unit and the display driving unit. The first processing unit includes a sub-pixel rendering module. The method includes: when the image enhancement function of the first processing unit is enabled, determining the image enhancement processing method for the first image data based on the format of the first image data output by the second processing unit; performing image enhancement processing on the first image data according to the image enhancement processing method; performing sub-pixel rendering processing through the sub-pixel rendering module; and outputting second image data on the display screen that matches the sub-pixel arrangement of the display screen through the display driving unit.

Embodiments of the present disclosure disclose an image display method and device, a display device, an electronic device and a storage medium. The method comprises: determining position information of a first pixel in the image; determining a target sub-pixel rendering mode from a preset sub-pixel rendering library based on the position information of the first pixel; converting the first pixel into a second pixel based on the target sub-pixel rendering mode; and driving a display panel using the second pixel to display the image in the display panel.

The application belongs to the field of display devices, and discloses a scene-based sub-pixel rendering method and system, which comprises the following steps: in a manual SPR adjustment mode, collecting mobile phone power, and user's preference data of SPR parameters in different display scenes; creating a neural network, and training a machine learning algorithm according to the collected data; in an automatic SPR adjustment mode, acquiring battery power data and the actual display application scene of the user respectively; inputting the above data into the trained machine learning algorithm, and adaptively adjusting the SPR parameters. The application determines the optimal parameters of sub-pixel rendering effect based on the visual effect preference data of the user in different scenes, can automatically adjust the display parameters according to the content and scene of the picture to achieve the best visual effect, reduces power consumption, and greatly improves the user experience.

The invention discloses an aging compensation method and an aging compensation device for a display panel, and a display device, and the method comprises the steps: receiving to-be-displayed original image data through an application processor, and carrying out the sub-pixel rendering of the original image data, so as to obtain first image data; embedding aging compensation data into the first image data through the application processor to obtain serial display data; receiving the serial display data through a display driving chip, and separating the serial display data to obtain the aging compensation data and the first image data; and the display driving chip generates second image data according to the aging compensation data and the first image data to drive the display panel to emit light, so that the aging compensation precision can be improved while the area of the display driving chip is reduced.

The invention discloses a screen anomaly detection method and device and electronic equipment, and belongs to the technical field of electronic equipment. The screen anomaly detection method comprises the steps that current state information of each function item of a display screen is acquired, each function item corresponds to one function of the display screen, and the function items comprise at least two of the following items: a color and gamma processing function, an image data compression function, a sub-pixel rendering function, an electrostatic discharge function, a frame rate adjustment function and a resolution adjustment function; determining a first cyclic redundancy check (CRC) value according to the current state information of each function item; and comparing the first CRC value with a reference CRC value to obtain an anomaly detection result of the display screen, the reference CRC value being a reference CRC value corresponding to the current state information.

The invention provides an image rendering method and device, equipment and a medium, and relates to the technical field of image processing. According to the method, pattern recognition is carried out on an initial image to judge whether a non-standard pattern exists or not, when it is determined that no non-standard pattern exists, sub-pixel phases of all colors are accurately determined according to the sub-pixel arrangement type of a target display screen, then sub-pixel interpolation calculation is carried out, and a processed image is obtained and output. The problem that in the prior art, a sub-pixel rendering algorithm is poor in adaptability is effectively solved, the algorithm does not need to be independently designed for different sub-pixel arrangement types, the development process is simplified, and the difficulty of follow-up algorithm maintenance is reduced; besides, the sub-pixel phase is accurately determined according to the target screen sub-pixel arrangement type, the problems of image blurring, distortion and the like caused by inaccurate phase determination in a conventional image rendering scene are avoided, the consistency and stability of the display effect are ensured, and the visual experience of a user is improved.

The embodiment of the invention provides an image processing method and device, equipment, a storage medium and a program product. The method comprises the following steps: acquiring a to-be-processed image; edge detection is carried out on the to-be-processed image, a label of each pixel in the to-be-processed image is determined, and the labels comprise edge pixels or non-edge pixels; dividing the to-be-processed image into an edge region and a non-edge region according to the label of each pixel in the to-be-processed image; and performing sub-pixel rendering processing on the marginal area by using a high-precision filter, and performing sub-pixel rendering processing on the non-marginal area by using a low-complexity filter to generate a target image. The method can improve the display quality and the image processing efficiency at the same time.

The application discloses a kind of based on two-dimensional edge perception's RGBG type display panel subpixel rendering method and system, it is related to image display technical field.The method includes: obtaining source image, the format of target image is obtained;According to the arrangement rule of subpixel in target image, determine first conversion process and second conversion process;Boundary pixel of source image is copied outward and expands, the 3x3 pixel region with the center of target pixel to be rendered is carried out luminance calculation, respectively obtains the luminance difference of row direction, column direction;According to the comparison result of row direction, column direction luminance difference and preset luminance difference threshold, multiple edge conditions are divided;Based on multiple edge conditions, using adaptive weighting strategy, execute first conversion process or second conversion process, calculate the rendering value of target image subpixel, complete subpixel rendering.The application effectively improves the image rendering quality of RGBG type display panel and saves circuit overhead.

This disclosure provides a pixel display method and related apparatus. The pixel display method includes: acquiring an original image to be displayed on a display screen, wherein the display screen is an active matrix organic light-emitting diode display screen with subpixels arranged in a diamond pattern and green subpixels on the display screen correspond one-to-one with pixels in the original image; during subpixel rendering processing of the original image to be displayed, mapping the green components of white pixels in the original image to the corresponding green subpixels and surrounding green subpixels on the display screen according to the green tint characteristic of the display screen; and displaying the subpixel data obtained after subpixel rendering processing of the original image to be displayed through the display screen. This disclosure can solve the green tint problem when alternating black and white lines are displayed on an AMOLED display screen with subpixels arranged in a diamond pattern.

The present disclosure relates to a method for driving a display panel, a display driver, a display apparatus, and an image processing circuit, and more particularly to sub-pixel rendering. A method for driving a display panel according to an aspect of the present application includes determining an input-side squared gray value of a pixel of input image data by taking a square of an input gray value, wherein the taking of the square of the input gray value includes taking a square of a first input gray value of the input gray value and taking a square of a second input gray value of the input gray value, calculating a first processed gray value from the first squared input gray value and the second squared input gray value, generating output image data by independently performing correction on the input-side squared gray value based on a correction value, and driving the display panel based on the output image data.

The invention provides a driver device and a method of driving a display panel. The driver device is configured to drive the display panel to display an image. The driver device includes a memory circuit, a processor circuit, and a source driver circuit. The storage circuit stores image processing parameters. A processor circuit receives input frame data and a selection signal indicating that the input frame data is in a first sub-pixel rendering format. A processor circuit processes input frame data in accordance with a portion of image processing parameters selected in accordance with a selection signal to produce output frame data. The source driving circuit receives first frame data in a sub-pixel arrangement format from the processor circuit, and generates a data voltage according to the first frame data to drive sub-pixels of the display panel. Sub-pixels of the display panel are arranged in a sub-pixel arrangement format.

The application discloses an image processing method and device. In an edge image of an original image, an original image edge pixel position coordinate of a first pixel block occupied by an image edge is determined; in an enlarged image of the edge image, a new image edge pixel position coordinate of a second pixel block occupied by an enlarged image edge corresponding to the first pixel block is calculated; a new edge slope of the enlarged image edge in the enlarged image is calculated; a gray value of the second pixel block corresponding to the new image edge pixel position coordinate is calculated according to the new edge slope and the new image edge pixel position coordinate; and a sub-pixel rendering is performed on surrounding pixel blocks along the enlarged image edge. The technical scheme of the application can be used in image enlargement and character display enlargement processes, and can effectively reduce the sawtooth problem of a result image and smooth the image region edge.

The utility model discloses a pixel array and a display unit, the pixel array comprises a plurality of pixel units arranged in an array, the plurality of pixel units comprise a plurality of white pixel units and a plurality of color pixel units, each white pixel unit comprises at least one white light-emitting chip, and each color pixel unit comprises at least one color light-emitting chip. Each color pixel unit comprises a light-emitting chip with at most two light-emitting colors. Since the pixel rows and the pixel columns of the pixel array, which are positioned on the peripheral edge, comprise the light-emitting chips with at least three light-emitting colors, the condition of color missing at the edge of the pixel array is avoided. Meanwhile, the overall brightness of the pixel array can be improved through the white pixel units, the situation that the overall brightness is too low due to the fact that sub-pixel rendering is adopted traditionally is avoided, and the white pixel units can also emit light independently to be used for illumination.

The application discloses a kind of RGBG conversion RGB subpixel rendering method and system of row and column direction pseudo color suppression, it is related to intelligent image processing field, the method includes: obtaining source RGBG format image data, for each target pixel, extract green component subpixel value, constitute local green feature vector;Through attention weight calculation network, generate the attention weight sequence of neighborhood subpixel value weighted calculation;Through weighted calculation, obtain the missing color component value of target pixel;Calculate the green component gradient of target pixel in row direction and column direction, and carry out edge type judgment, calculate the existing color component of target pixel, obtain existing color component optimization value;Fusion missing color component value and existing color component optimization value, generate the final RGB format pixel data of target pixel position.The application solves the problems of low image processing quality, poor adaptability to different images and poor processing efficiency in the prior art.

The invention discloses a sub-pixel rendering method and device, electronic equipment and a readable storage medium, and belongs to the technical field of display. The sub-pixel rendering method comprises the following steps: acquiring a target channel image of a to-be-processed image; an internal area and an edge area in the target channel image are divided, the internal area is an area with gentle gray value change in the target channel image, and the edge area is an area with severe gray value change in the target channel image; and adjusting the gray value of each image pixel in the internal region through the first type of filter, and adjusting the gray value of each image pixel in the edge region through the second type of filter.

The invention belongs to the field of display, and particularly relates to a display panel and a display device.The display panel comprises a plurality of pixel units, each pixel unit comprises a plurality of sub-pixels, the sub-pixels are distributed in a rectangular frame, the sub-pixels comprise one green sub-pixel, at least two blue sub-pixels and at least two red sub-pixels, and the green sub-pixel, the at least two blue sub-pixels and the at least two red sub-pixels are distributed in the rectangular frame. The green sub-pixels, the blue sub-pixels and the red sub-pixels are overlapped in the row direction and the column direction, that is, the red sub-pixels, the green sub-pixels and the blue sub-pixels which are arranged in the row direction exist in each pixel unit, and the red sub-pixels, the green sub-pixels and the blue sub-pixels which are arranged in the column direction exist in each pixel unit. In the row direction and the column direction, clear type sub-pixel rendering algorithm rendering can be carried out at the same time, so that the brightness of each sub-pixel is accurately adjusted, the image edge is smoother, and the image definition is improved.