G09G2310/0213

System and method for modulating an array of emissive elements
11626062 · 2023-04-11 · ·

A backplane operative to drive an array of emissive pixel elements forming a part of an automotive head lamp assembly is disclosed. Each pixel element comprises a memory cell operative to pulse width modulate a current mirror pixel drive circuit configured to drive an emissive element. The array of emissive pixel elements is divided into a plurality of interdigitated rows or columns serviced by independent row drivers or independent column drivers that may be driven by data selected to randomize the order in which the data on adjacent pixels of the same row are written, thereby effectively substantially reducing the visibility of any residual structures that may be present in the data driving the pixels of adjacent columns.

Pixel and display device including the same

A display device includes a data driver that outputs a first data signal and a second data signal of different voltages, and a pixel that emits light in response to the first data signal and the second data signal. The pixel includes a current generator generating a driving current corresponding to the first data signal, a first light emitting part including a first electrode, a second electrode, and a first light emitting element, a second light emitting part including a third electrode, a fourth electrode connected, and a second light emitting element, and a current controller controlling a divided current supplied to the second light emitting part in response to the second data signal.

DISPLAY SUBSTRATE, DISPLAY DEVICE AND DISPLAY DRIVING METHOD
20230107029 · 2023-04-06 ·

The present disclosure provides a display substrate, including a display area and a peripheral area, where N pixel unit groups are arranged in the display area, and each pixel unit group is provided with a gate line, a first reset signal line and a second reset signal line; a driving module is arranged in the peripheral area and includes at least two driving circuits, at least two operating signal line groups are further arranged in the peripheral area, the driving circuits and the operating signal line groups are alternately arranged the at least two driving circuits include a gate driving circuit and a reset driving circuit provided with N second signal output terminals the ith second signal output terminal is coupled to the second reset signal line configured for the ith pixel unit group and the first reset signal line configured for the (i+1)th pixel unit group.

METHOD FOR MEASURING ILLUMINANCE USING CAMERA AND SUPPORTING THE SAME

According to an embodiment disclosed in this specification, an electronic device may include a camera including an image sensor, a display panel, a display driver integrated circuit (DDI) that drives the display panel at a first frame rate, a memory, and a processor operatively connected to the camera, the display panel, the DDI, and the memory. The DDI may drive the display panel in a plurality of cycles to output one frame corresponding to the first frame rate. The camera may perform exposure of the image sensor in a section, in which one or more lines among lines constituting the display panel do not emit light, in the plurality of cycles. The memory may store instructions that, when executed, cause the processor to determine illuminance around the electronic device using image data according to the exposure. Moreover, various embodiment found through the disclosure are possible.

DISPLAY DEVICE HAVING A PLURALITY OF SUB DATA LINES CONNECTED TO A PLURALITY OF SUBPIXELS

A display device can include a display panel having plurality of pixels, each including sub pixels having different colors; a data driver to supply a data voltage to the pixels by using a plurality of data lines; and a gate driver to supply a gate signal to the pixels using a plurality of gate lines. Also, each of the data lines is divided into a plurality of sub data lines, and each of the sub data lines is connected to sub pixels having the same color, sub pixels having the same color are disposed in a same column, and the sub pixels in the same column are connected to each of the sub data lines, and the number of sub data lines branching from one of a data line has the same number of gate lines which is connected to the plurality of pixels in a same row.

Touch display device, driving circuit, and driving method

A touch display device, a driving circuit, and a driving method are provided. An image defect which occurs when display driving and touch driving are simultaneously executed can be reduced by performing control such that a voltage level of a touch electrode driving signal (TDS) varies in a section other than a high-level period (Pon) of an ON-clock signal (ON_CLK) and/or a high-level period (Poff) of an OFF-clock signal (OFF_CLK).

Electro-optical device and electronic apparatus

The electro-optical device includes a plurality of digital scanning lines, a plurality of analog scanning lines, a digital signal line, an analog signal line, and a plurality of pixel circuits. Each of the pixel circuits includes a light emitting element, a digital driving circuit, and an analog driving circuit. The digital driving circuit performs digital driving in which a drive current is supplied to the light emitting element in a period of a length corresponding to a grayscale value. The analog driving circuit performs analog current setting in which a current value of the drive current is set based on an analog data voltage. In a period in which the pixel circuit connected to an s-th digital scanning line and an s-th analog scanning line performs the analog current setting, the pixel circuit connected to a t-th digital scanning line and a t-th analog scanning line performs the digital driving.

Display device and method of operating the same

A display device may include a display panel including a plurality of pixels, a data driver which applies data signals to the display panel, a scan driver including scan stages, which sequentially applies scan signals to the display panel, an emission driver including an emission stage which sequentially applies emission signals to the display panel, and a power supply voltage generator which generates a power supply voltage including high voltages and low voltages, and provides the high voltages having different voltage levels from each other or the low voltages having different voltage levels from each other to at least one selected from the scan stages and the emission stage. The power supply voltage generator generates a first high voltage, a first low voltage, a second high voltage lower than the first high voltage, and a second low voltage higher than the first low voltage based on an input voltage.

IMAGE DATA TRANSFER APPARATUS, IMAGE DISPLAY SYSTEM, AND IMAGE TRANSFER METHOD
20230142944 · 2023-05-11 · ·

In a server, an image generation section stores a generated image in a frame buffer. A compression/encoding section compresses and encodes image data in units of partial images smaller than one frame. A processing order control section, on the basis of information pertaining to a scan order for a display panel connected to an image processing apparatus which is a data transmission destination, controls an order of reading out pixel data from the frame buffer, a shape of a partial image, or a compression and encoding order. The compressed and encoded partial image data is packetized by a packetization section and transmitted to the image processing apparatus by a communication section.

Display device and display device driving method

A display device, comprising a display panel and a touch panel. The display panel comprises a plurality of scan lines. The plurality of scan lines are respectively classified into a plurality of scan areas, and the display panel is configured to sequentially scan the plurality of scan areas through the plurality of scanning lines. The touch panel is electrically connected to the display panel, and is configured to receive a touch signal. During a first frame period, when a position of the touch signal corresponds to one of plurality of the scan areas, the display panel is configured to start scanning the plurality of scan areas from the one of the plurality of the scan areas to display an image of the plurality of scan areas.