G09G3/2011

DISPLAY DEVICE HAVING A CLOCK TRAINING WITH A PLURALITY OF SIGNAL LEVELS AND DRIVING METHOD THEREOF

A display device includes a timing controller for supplying a clock training signal through a data clock signal line in a first period of one frame period, and supplying image data through the data clock signal line in a second period of the one frame period, a data driver for generating a clock signal, based on the clock training signal in a clock training period in the first period, and generating a data signal, based on the clock signal and the image data in the second period, and a pixel unit for displaying an image, based on the data signal. The clock training signal includes a plurality of signal levels, and the data driver determines the clock training period, based on the signal levels of the clock training signal.

DRIVING CIRCUIT OF DISPLAY DEVICE AND DISPLAY DEVICE

The present disclosure provides a driving circuit of a display device and the display device. The driving circuit includes an input unit, a control unit coupled to the input unit, and a light emitting unit coupled to the control unit. The control unit is configured to drive the light emitting unit to emit light. the control unit comprises a pulse width modulation (PWM) control unit and a pulse amplitude modulation (PAM) control unit, the PWM control unit and the PAM control unit are mutually independent, the PWM control unit is configured to control a light emitting time of the light emitting unit, and the PAM control unit is configured to control a magnitude of a driving current in the light emitting unit.

DISPLAY PANEL AND METHOD FOR MANUFACTURING SAME

The present disclosure provides a display panel and a method for manufacturing the same, wherein the display panel includes a substrate and a plurality of display units disposed on the substrate, and the plurality of display units are disposed in an array; wherein each of the display units is integrated with micro light-emitting diode (LED) chips and pulse width modulation (PWM) chips electrically connected to the micro LED chips, and PWM circuits are formed in the PWM chip PWM driving circuits, and the PWM circuit the PWM driving circuits are configured to control light emitting time of the micro LED chips.

CONTROL DEVICE, DISPLAY DEVICE CONTROL SYSTEM, AND CONTROL METHOD OF CONTROL DEVICE
20230103679 · 2023-04-06 ·

A control device includes: a warm-up determiner which determines, when color calibration of a display device is to be performed, whether a warm-up of a colorimeter is necessary, based on a predetermined condition; a display controller which causes, when the warm-up determiner determines that the warm-up of the colorimeter is necessary, a predetermined image, which indicates an attachment position of the colorimeter onto the display device, to be displayed on the display device; and a warm-up controller which starts, when the colorimeter is determined as being attached at the attachment position, the warm-up of the colorimeter by using the display device.

DISPLAY DEVICE AND METHOD OF DRIVING THE SAME
20230154372 · 2023-05-18 ·

A display device includes PAM data lines receiving PAM and PWM data voltages, and sub-pixels connected to the PAM and PWM data lines. A sub-pixel includes a light emitting element, a first pixel driver to supply a control current according to one of the PAM data voltages to a node, a second pixel driver to generate a driving current according to one of the PWM data voltages, and a third pixel driver to adjust a period during which the driving current is supplied to the light emitting element according to a voltage of the node. A peak current value of the driving current when the sub-pixel emits a light corresponding to a low gray level region is smaller than a peak current value of the driving current when the sub-pixel emits a light corresponding to a high gray level region higher than the low gray level region.

DISPLAY SCREEN CONTROL METHOD AND ELECTRONIC DEVICE SUPPORTING SAME
20230143803 · 2023-05-11 ·

An instruction of an electronic device is provided. The instruction of the electronic device, when executed by a processor, causes a display panel to be operated using one of a first gamma set corresponding to a first operating frequency and a second gamma set corresponding to a second operating frequency, each of the first gamma set and the second gamma set comprises gamma voltage values for each luminance and gradation, the first gamma set and the second gamma set include the same gamma voltage value in a first gradation range of a first luminance so as to have the substantially same optical characteristic when the operating frequency changes, the first gamma set and the second gamma set include the same gamma voltage value in a second gradation range of a second luminance, and the first gradation range and the second gradation range are different from each other.

SUB-PIXEL RENDERING METHOD FOR DISPLAY PANEL
20230141954 · 2023-05-11 ·

The present application relates to a sub-pixel rendering method for a display panel, which determines sampling locations according to arrangement locations of the sub-pixels, converts an input image according to a human vision model for correspondingly generating an adjustment luminance data, and samples a plurality of adjustment luminance value of the adjustment luminance data according to the sampling locations. Thereby, corresponded target grayscale data is generated. Thus, the input image is prevented from distortion.

ELECTROLUMINESCENT DISPLAY DEVICE AND METHOD OF COMPENSATING FOR LUMINANCE IN THE SAME

An electroluminescent display device includes a display panel including pixels, a storage circuit, a luminance compensation circuit and a data driver. The storage circuit stores information on a leakage curve indicating a luminance change value of a target pixel according to a change of an input pixel value of a neighboring pixel, the plurality of pixels including the target pixel and the neighboring pixel. The luminance compensation circuit receives input pixel values corresponding to the pixels and generates compensated pixel values respectively corresponding to the pixels by compensating for lateral leakage based on the leakage curve, where the lateral leakage is caused by leakage currents through a common conduction layer of the pixels. The data driver drives the pixels based on the compensated pixel values. The exact (or close) luminance of the input image is realized by compensating for the luminance distortion.

INTELLIGENT TRANSPARENT LIGHT-SHIELDING SYSTEM
20230154373 · 2023-05-18 ·

An intelligent transparent light-shielding system applied to a vehicle includes a camera, a transparent display, and a processor. The processor converts an original driving image received from the camera into a grayscale image, converts the grayscale image into an anti-glare image according to a preset threshold, and transmits the anti-glare image to the transparent display for display. Pixels in the grayscale image with grayscale values equal to or lower than the preset threshold respectively correspond to pixels in the anti-glare image with grayscale values equal to a lower limit value. Pixels in the grayscale image with grayscale values greater than the preset threshold respectively correspond to pixels in the anti-glare image with grayscale values greater than the preset threshold. A light-shielding rate of the transparent display corresponds to the grayscale values of the pixels in the anti-glare image.

Display device having compensator that sets grayscale values
11645964 · 2023-05-09 · ·

A display device includes a display panel. The display panel includes a pixel including a light emitting element. A compensator calculates a current stress of the light emitting element based on input grayscale values sequentially provided for the pixel during a specific time and generates a first output grayscale value by compensating for a first input grayscale value provided at a current time point based on the current stress. A driver generates a data signal based on the first output grayscale value and supplies the data signal to the pixel. The compensator sets the first output grayscale value to be less than the first input grayscale value in case that the input grayscale values are greater than a reference grayscale value.