G09G3/28

DISPLAY DEVICE AND METHOD OF DISPLAYING IMAGE BY USING DISPLAY DEVICE
20180012563 · 2018-01-11 ·

A method of displaying an image by using a display device. The method includes: grouping pixels included in a display unit into pixel blocks, generating a first accumulated stress map representing a degree of a deteriorated performance of the pixels included in the pixel blocks based on first image data of a current frame image, and determining a shiftable range of the current frame image by analyzing the first accumulated stress map. The first image data is corrected to second image data in which the current frame image is shifted within the shiftable range.

IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD

An image processing apparatus according to an embodiment includes a setting unit that sets an operator including a target pixel in a process target image, a totaling unit that acquires a gradation value of each pixel within the operator, and generates a histogram indicating the number of pixels corresponding to each gradation value from 0 to a natural number N, and a conversion unit that calculates a new gradation value by adding together the number of pixels corresponding to each of the respective gradation values ranging from gradation value 0 to the gradation value of the target pixel, or by subtracting, from gradation value N, the combined number of pixels corresponding to the respective gradation values ranging from the gradation value of the target pixel to gradation value N, and converts the gradation value of the target pixel into the new gradation value.

Grayscale adjustment method and grayscale adjustment device for display panel

A grayscale adjustment method of a display panel, a grayscale adjustment device and a display device using the same are provided. The grayscale adjustment method includes steps of capturing an image of the display panel to obtain a current image; identifying a non-uniform block in the current image, and detecting an original output brightness value and an original input grayscale of the non-uniform block; determining a target input grayscale corresponding to a preset target brightness value according to an actual gamma curve value, wherein the actual gamma curve value is obtained by testing the display panel; and setting a difference between the original input grayscale and the target input grayscale as a grayscale compensation value of the non-uniform block.

Display device and method for driving the same
11393395 · 2022-07-19 · ·

In an embodiment of the present disclosure, there is provided a display device including: a plurality of subpixels between a line of a first power voltage and a line of a second power voltage, the plurality of subpixels configured to be supplied with a driving current and to emit light in response to the driving current; and a power supply unit configured to generate the first power voltage and the second power voltage based on an external input voltage, wherein the power supply unit generates power when the external input voltage corresponds to between a preset maximum voltage and a minimum voltage, and the power supply unit reduces a voltage difference between the first power voltage and the second power voltage when the external input voltage corresponds to between a preset reference voltage and the minimum voltage.

Method and device for adjusting greyscale of display panel solving problem of ineffectiveness of eliminating unevenness caused by inaccurate mura compensation value

The present disclosure discloses a method and device (302) for adjusting grayscale of display panel, the method includes: performing image capture on the display panel, and obtaining a current image (S10); identifying an uneven area in the current image, and detecting original output brightness and original input grayscale of the uneven area (S20); determining a target input grayscale corresponding to a preset target brightness according to actual Gamma curve value which is obtained by testing the display panel (S30); using the difference between the original input grayscale and the target input grayscale as grayscale compensation value of the uneven area (S40).

Gray scale adjustment method and device for display panel

The present invention discloses a gray scale adjustment method and device for a display panel. The method includes: performing an image acquisition on the display panel to obtain a current image; identifying a relationship between a sum of gray scale values of all pixels in the current image and a target value by a distinguishing method, in order to identify an uneven block in the current image; detecting an original output luminance and an original input gray scale of the uneven block; determining a target input gray scale corresponding to a preset target luminance according to an actual gamma curve value obtained by testing the display panel; and taking a difference between the original input gray scale and the target input gray scale as a gray scale compensation value of the uneven block.

Method and device for adjusting grayscale of display panel

Disclosed are a method and a device for adjusting grayscale of display panel, the method includes: obtaining a current image by performing image acquisition of a display panel; identifying an nonuniform block in the current image, detecting original output brightness and original input grayscale of the nonuniform block; determining a target input grayscale corresponding to a preset target brightness according to an actual Gamma curve value, wherein the actual Gamma curve value is obtained by testing the display panel; taking a difference between the original input grayscale and the target input grayscale as a grayscale compensation value of the nonuniform block.

Driving circuit for display panel and method of driving same

A driving circuit for a display panel and a method of driving the same are provided. The driving circuit includes that, when the time control chip is at an initialized state, the enabling control module controls the logic control module to turn off; and when the time control chip is at a state after the initialized state is finished the enable control module controls the logic control module to turn on to receive the modulating data provided by the time control chip.

Method and device for adjusting gray scale of display panel

The present disclosure discloses a method and a device for adjusting gray scale of a display panel, the method comprises: performing image acquisition on a display panel, and obtaining a current image; identifying an nonuniform block in the current image, and detecting an original output brightness and an original input gray scale of the nonuniform block; determining a target input gray scale corresponding to a preset target brightness according to an actual Gamma curve value, the actual Gamma curve value is obtained through testing the display panel; using a difference value between the original input gray scale and the target input gray scale as a gray scale compensation value of the nonuniform block.

Method, device and readable storage medium for processing control instruction based on gesture recognition

The present disclosure provides a method, a device and a readable storage medium for processing a control instruction based on gesture recognition, the method including: obtaining a trigger-gesture-recognition instruction; capturing a set of to-be-recognized images corresponding to a to-be-recognized user according to the trigger-gesture-recognition instruction, where the set of to-be-recognized images includes to-be-recognized images of multiple frames; determining location information of a hand of the to-be-recognized user respectively in each frame of the to-be-recognized images via a preset body recognizing model; and according to the location information, obtaining gesture information corresponding to the hand via a preset gesture recognizing model; and according to the gesture information corresponding to the hand, obtaining a control instruction corresponding to the gesture information. Thus, the amount of computation for gesture recognition is reduced, and efficiency of gesture recognition is improved, enabling a remote gesture control of an intelligent terminal.