G09G2320/066

System and method for luminance compensation for local and global dimming displays

A system and method is provided for adjusting an input image based on a perceived appearance of the input image on a target display and on an ideal display. The method includes: receiving an input image; determining a target display perceived appearance of the input image, wherein the target display perceived appearance represents a perceived appearance of the input image according to a target display; determining an ideal display perceived appearance of the input image, wherein the ideal display perceived appearance represents a perceived appearance of the input image according to an ideal display; and adjusting the input image based on the target display perceived appearance and the ideal display perceived appearance.

Display device
11580899 · 2023-02-14 · ·

Provided is a display device including a controller and a display. The controller may perform tone mapping for adjusting luminance of input image data, and the display may display an image according to an output image data, in which luminance is adjusted by the tone mapping. The controller may generate a base mapping curve from the input image data, analyze depth map information of the input image data, generate a mapping curve, to which the depth map information is reflected, from the base mapping curve, and perform the tone mapping using the mapping curve.

CUSTOMIZED DISPLAY COLOR PROFILES FOR INDIVIDUAL COLOR PREFERENCE
20230043455 · 2023-02-09 ·

Customization of display color profiles is described. A first interface for customizing a global color preference is generated. Feedback from a user is received via the first interface. The feedback describes a customized global color preference. A second interface for customizing a memory color preference is generated. Feedback is received from the user via the second interface. The feedback describes the customized memory color preference. A color preference profile is generated using the customized global color preference and the customized memory color preference. The color preference profile describes the user's preference for how color is presented. The color preference profile is associated with a user profile of the user. Visual content is rendered on a display of the device in accordance with the color preference profile.

Liquid crystal display device, electronic apparatus, display control method, display control program, and non-transitory recording medium
11592705 · 2023-02-28 · ·

An electronic apparatus using a liquid crystal display device, a display control method used in the liquid crystal display device, and a non-transitory recording medium for storing a display control program, sets a region having a larger area of an information display region and a background region as a transmission region and a region having a smaller area as a shielding region. A tint change of the shielding region caused by a TN type liquid crystal and a light source for backlight is reduced, and thus, it is possible to make the tint change depending on the viewing direction unremarkable.

DISPLAY DEVICE AND METHOD FOR CONTROLLING PEAK LUMINANCE OF THE SAME
20180005586 · 2018-01-04 ·

A display device according to example embodiments includes an image analyzer configured to calculate contrast and load of an image of a frame based on R, G, and B image data input corresponding to the frame, an image processor configured to control a peak control coefficient applied to W image data to adaptively control peak luminance based on the contrast and the load, and to respectively generate R′, G′, and B′ image data by subtracting a product of the W image data and the peak control coefficient from each of the R, G, and B image data, a display panel including a plurality of pixels, a data driver configured to generate a data signal based on the R′, G′, B, and W image data, and to provide the data signal to the display panel, and a scan driver configured to provide a scan signal to the display panel.

BACKLIGHT CONTROL AND IMAGE COMPENSATION METHOD APPLIED TO DISPLAY AND ASSOCIATED CONTROL METHOD
20180005599 · 2018-01-04 ·

A control method of a display includes a statistics circuit, a backlight determining circuit and a backlight control circuit. The display includes a backlight module having a maximum power. The statistics module receives frame, and generates luminance statistical information of a plurality of blocks included in the frame. The backlight determining circuit determines a backlight intensity corresponding to each of the blocks according to the luminance statistical information of the blocks and the maximum power. At least one of the backlight intensities corresponding to the blocks is greater than a normal luminance, which is a backlight intensity corresponding to one of the blocks when the maximum power is evenly distributed on light emitting elements of the display. The backlight control circuit controls the luminance of the backlight module according to the backlight intensities.

Display artifact reduction

In one embodiment, a computing system may access an image to be displayed by a display. The system may determine one or more first characteristics associated with a content of the image. The one or more first characteristics may include a contrast level of the content of the image with respect to a background of the image. The system may determine a first display persistence time period for the display to display the image based on the one or more first characteristics associated with the content of the image. The system may configure the display to display the image using the first display persistence time period.

CIRCUIT AND METHOD FOR VIDEO DATA CONVERSION AND DISPLAY DEVICE
20230237971 · 2023-07-27 ·

Disclosed is a circuit and a method for video data conversion and a display device. The circuit comprises: a pixel splicing module, to sequentially receive each group of pixel data in each frame of image data in input video data, to perform pixel splicing on the received pixel data, and to output spliced pixel data; a data conversion module, to perform data processing on the spliced pixel data to convert each frame of image data into first image data representing a first part of the corresponding frame of image and second image data representing a second part of the corresponding frame of image. The first part at least comprises a left half part of the frame of image, the second part at least comprises a right half part of the frame of image. Data throughput requirements can be met while dynamic contrast and sharpening processing is performed.

IMAGE DISPLAY DEVICE, IMAGE DISPLAY METHOD, AND STORAGE MEDIUM STORING COMPUTER PROGRAM FOR EXECUTING IMAGE DISPLAY METHOD

The image display device includes an input unit that receives image data, a display unit that displays the image data received by the input unit, a receiving unit that receives drawing data drawn on the image data displayed on the display unit, an output unit that outputs the image data to another device, and a computing unit. The computing unit performs specific image adjustment on the image data, and causes the display unit to display the image data without performing the specific image adjustment on the image data when the specific image adjustment has been performed on the image data received by the input unit.

Overlapped curve mapping for histogram-based local tone and local contrast
11715183 · 2023-08-01 · ·

Methods and apparatuses are disclosed herein for performing tone mapping and/or contrast enhancement. In some examples, a block mapping curve is low-pass filtered with block mapping curves of surrounding blocks to form a smoothed block mapping curve. In some examples, overlapped curve mapping of block mapping curves, including smoothed block mapping curves, is performed, including weighting, based on a pixel location, block mapping curves of a group of blocks to generate an interpolated block mapping curve and applying the interpolated block mapping curve to a pixel to perform ton mapping and/or contrast enhancement.