G09G2340/00

Local dimming system and method adaptable to a backlight of a display

A local dimming system adaptable to a backlight of a display includes a light shape imitation (LSI) unit that receives a pulse-width modulation (PWM) value and provides a profile data for each block of the backlight; a profile analysis unit that generates an analytic mean value according to the profile data; and a diffusion compensation unit that compares the analytic mean value with a target mean value and compensates the PWM value for light diffusion according to a result of the comparison, thereby generating a compensated PWM value.

Image processing system, image display method, display device and storage medium

This application discloses an image processing system, an image display method, a display device, and a storage medium, which belongs to the field of display technology. The method includes: acquiring a first resolution supported by a display panel currently installed in the display device; identifying a second resolution of pending image data input by a video source to the image processing system; determining a target data processing module in at least two data processing modules; retrieving the target data processing module to process the pending image data to obtain target image data; and outputting the target image data to the display panel. Since at least two data processing modules are provided in the image processing system, the image processing system may be compatible with display panels having at least two resolutions, which effectively improves the compatibility of the image display system. This application is used in display devices.

DISPLAY DEVICE, CONTROL DEVICE, AND METHOD FOR CONTROLLING DISPLAY DEVICE
20200286419 · 2020-09-10 ·

A display panel of a display device includes a plurality of pixels each including a self-light-emitting element as a light source. In a non-display period of the display panel, the display panel detects deterioration data indicating the deterioration condition of the display panel. In the non-display period of the display panel, a host device of the display device generates a correction parameter for correcting the gradation value of each pixel of the input image based on the deterioration data obtained from the display panel.

ORGANIC ELECTROLUMINESCENCE DISPLAY DEVICE AND DRIVING METHOD THEREOF
20200265781 · 2020-08-20 ·

Image data having parts that change in sine wave shape or cosine wave shape in the horizontal direction and the vertical direction is used as current measurement patterns. A current measuring unit measures current flowing in a power source line from all of organic EL elements included in a display unit. A current distribution pattern generating unit generates a current distribution pattern by performing a two-dimensional inverse discrete Fourier transform on a plurality of current values measured when the current measurement patterns are displayed in order. An image signal correcting unit corrects an image signal on the basis of the current distribution pattern and a cumulative added value of an image signal. Accordingly, the extent of performance degradation of the organic EL elements is estimated, and uneven brightness in the display screen is prevented.

Control System and Rendering Pipeline

A system including a rendering engine to render a field texture for a field display and a foveal texture for a steerable foveal display and a compositor including a field compositor to generate frames for the field display from the field texture and a foveal compositor to generate frames for the foveal display from the foveal texture. The system further including a composition manager designed to sequence and select what is presented including one or more of data in the field display and the foveal display.

DISPLAY APPARATUS AND METHOD OF CONTROLLING THE SAME

A display apparatus includes a communication circuitry configured to communicate with an external device; a display; and a controller configured to perform pairing with the external device, to control the communication circuitry to receive an image around the display apparatus captured by the external device from the paired external device, to apply a plurality of colors selected based on color data of the plurality of colors extracted from the received image, to a plurality of predetermined regions, to generate an image based on the plurality of regions to which the selected plurality of colors are applied, and to control the display to display the generated image.

Display apparatus and method of driving the same

A display apparatus includes a signal controller, a panel driver, and a display panel. The signal controller includes N functional blocks that process input image signals to output image data signals and convert input control signals to internal control signals to output the internal control signals. The panel driver converts the image data signals to image data voltages in response to the internal control signals to output the image data voltages and outputs a gate driving voltage. The display panel receives the gate driving voltage and the image data voltages to display an image. A screen of the display panel includes a first area and a second area different from the first area. First input image signals corresponding to the first area among the input image signals are processed by I functional blocks (I is smaller than N) among the N functional blocks.

Data processing systems
10692420 · 2020-06-23 · ·

When displaying a frame that is to be transformed based on a predicted view orientation, the frame is transformed based on a predicted view orientation by, for each of plural different regions of the frame, determining a predicted view orientation transformation matrix to use to transform the region of the frame by interpolating between a first predicted view orientation matrix that corresponds to a transformation for a predicted view orientation for a first time during the display of the frame and a second predicted view orientation matrix that corresponds to a predicted view orientation for a second, later time during the display of the frame; and then using the interpolated predicted view orientation transformation matrix determined for the region of the frame to transform the region of the frame. In this way each different region of the frame is subjected to a different predicted view orientation transformation.

Apparatus and method for converting content and outputting the converted content
10679585 · 2020-06-09 · ·

An apparatus for outputting a content to a display, including a communicator configured to perform a data communication with the display; an input interface configured to receive an input content and metadata associated with the input content; and a processor configured to acquire image quality information applied to the content based on the metadata, to convert the input content into a converted content outputtable on the display by using content conversion information related to the acquired image quality information, and to control the communicator to output the converted content to the display.

Computer systems that are able to reduce memory data flow and graphics processing methods thereof

A graphics processing method is provided, adapted to a graphic processing unit, the steps including: receiving, via a CSP, a first command associated with all render targets from a display driver; determining, via the display driver, sizes and areas of a plurality of tiles in each frame; repeatedly controlling, via a scissor pool unit, a graphics processing unit to perform drawing processing for each tile according to the first command; comparing, via a signature comparing unit of a cache memory, a signature of a current tile of a current frame and a signature of a tile corresponding to the same position of a previous frame and generating a comparison result; and determining whether to flush the dirty data of the current tile stored in the cache memory from the cache memory to a memory access unit according to the comparison result.