G09G2320/0673

DISPLAY APPARATUS
20230215344 · 2023-07-06 ·

A display apparatus includes a first pixel including a light emitting device of a first color connected to a first data line and independently driven and a second pixel including a light emitting device of the first color connected to a second data line adjacent to the first data line and independently driven, wherein the first pixel and the second pixel are included in a first unit pixel, and the first pixel and the second pixel are alternately on-driven in a first period and a succeeding second period.

MANAGING A DISPLAY OF AN INFORMATION HANDLING SYSTEM
20230215402 · 2023-07-06 ·

In one embodiment, a method for managing a display of an information handling system includes: monitoring, by a display controller, a usage period of the display indicating a period of time in which the display is in an illuminated state; determining, by the display controller, that the usage period is greater than a threshold usage period; causing, by the display controller, a brightness level of the display to decrease; sending, by the display controller, a signal to a graphics processing unit; receiving, by the graphics processing unit, the signal; determining, by the graphics processing unit, a contrast level associated with one or more images presented to a user; determining, by the graphics processing unit, a gamma level associated with the one or more images; and processing, by the graphics processing unit, the one or more images based on the contrast level and the gamma level.

Display apparatus and method of compensating gamma value of the same

A display apparatus includes a display panel, a first coordinate calculator, a second coordinate calculator and a gamma setter. The display panel includes a first display area and a second display area. The first coordinate calculator is configured to calculate color coordinates of first image data of the first display area. The second coordinate calculator is configured to calculate color coordinates of second image data of the second display area. The gamma setter is configured to adjust luminance of the first image data, the color coordinates of the first image data, luminance of the second image data and the color coordinates of the second image data.

Video pipeline system and method for improved color perception

A system is provided for facilitating an enhanced video pipeline in order to improve color perception. The system comprises a first source configured to generate a first video stream, a second source configured to generate a second video stream, and a computing device. In this context, the computing device is configured to superpose the first video stream onto the second video stream, thereby generating an output video stream. The computing device is further configured to calculate weighting factors for individual pixels or discrete pixel sets of adjacent individual pixels of the output video stream by analyzing the first video stream and/or the second video stream.

Low power driving system and timing controller for display device

Disclosed are a low power driving system and timing controller for a display device. The low power driving system for a display device may include a timing controller configured to transmit a packet to which one of first option information corresponding to a static pattern or second option information corresponding to a dynamic pattern is applied, and a source driver configured to receive the packet and to perform a low power mode corresponding to the static pattern based on the first option information or adaptive charge sharing corresponding to the dynamic pattern based on the second option information.

Image processing device and image processing method for high resolution display, and application processor including the same

An image processing device includes a blender and a display quality enhancer. The blender is configured to receive a plurality of layer data, generate first image data by blending the plurality of layer data, the first image data including a plurality of pixel values corresponding to a screen in a display device, and generate pixel map data including a plurality of pixel identifications (IDs) based on the plurality of layer data, the plurality of layer data representing a plurality of images to be displayed on the screen, the plurality of pixel IDs indicating display quality enhancement algorithms to be applied to the plurality of pixel values. The display quality enhancer is configured to generate second image data including a plurality of display quality enhancement pixel values by applying the display quality enhancement algorithms to the plurality of pixel values based on the first image data and the pixel map data.

Display device and method for selecting gamma power
11694634 · 2023-07-04 · ·

Disclosed are a display apparatus and a method for selecting a gamma power in which when selecting a gamma set corresponding to each luminance in an organic light emitting (OLED) display apparatus, a low power voltage and an initial voltage corresponding thereto are selected, and are provided to a display panel, thereby optimizing a black voltage and a driving voltage. To this end, the display apparatus includes a data driver which sets the low voltage and the initialization voltage corresponding to each gamma set and stores the same into a lookup table. Therefore, the low power voltage and the initialization voltage are changed only by selecting the gamma set. The display apparatus is suitable for operating at a black voltage and a low gray voltage.

Display device including dual data lines and method of driving the same

A display device includes: a timing controlling part generating an image data, a data control signal and a gate control signal; a data driving part generating a data voltage using the image data and the data control signal; a gamma part transmitting the data voltage corresponding to the image data; a gate driving part generating a gate voltage using the gate control signal; a display panel including subpixels, gate lines, left data lines at a left side of the subpixels and right data lines at a right side of the subpixels; and first MUX switches, second MUX switches, third MUX switches, fourth MUX switches, fifth MUX switches and sixth MUX switches sequentially transmitting the data voltage to the left data lines and the right data lines.

Touch driver circuitand driving method, and driver apparatus of touch display device

The present disclosure relates to a touch driver circuit capable of reducing the distortion of a common voltage modulation signal caused by line resistance. The touch driver circuit may include a touch power integrated circuit configured to generate a reference gamma voltage set to output the reference gamma voltage set through a gamma transmission path during a display period, and generate a touch driving voltage to output the touch driving voltage through the gamma transmission path during a touch period, and a source-readout integrated circuit configured to drive a source driving circuit block using the reference gamma voltage set during the display period, and generate a common voltage modulation signal using the touch driving voltage to drive a readout circuit block using the generated common voltage modulation signal during the touch period.

ELECTRONIC DEVICE AND METHOD FOR CHANGING GAMMA ACCORDING TO REFRESH RATE

Certain embodiments relate to an electronic device and a method for changing gamma values and may include determining a target gamma curve related to first image data to be displayed by a display panel, receiving a request for switching a scan rate of the display panel from a first frequency to a second frequency, determining a gamma offset and an offset margin in response to reception of the request, determining a limit gamma curve generated by applying the gamma offset and the offset margin to the first gamma curve, generating second image data by correcting the first image data, based on a difference value between the limit gamma curve and the target gamma curve to map the first image data to the target gamma curve, and driving the display panel, based on the second image data and the limit gamma curve. This document may further include various other embodiments.