CN-122024644-A - Display driving method, debugging method, display device, and storage medium

CN122024644ACN 122024644 ACN122024644 ACN 122024644ACN-122024644-A

Abstract

The present disclosure relates to a display driving method, a debugging method, a display device, and a storage medium. The display driving method of the display panel comprises the steps of determining target on pixel rate of a target display picture, obtaining target Gamma proportion and target Gamma value corresponding to the target on pixel rate under the condition that the target on pixel rate is smaller than or equal to a set on pixel rate, driving the display panel based on the target Gamma proportion and the target Gamma value to enable the display panel to display a target display picture with target brightness, wherein the target Gamma value meets the requirements that the display panel is driven based on the set Gamma proportion and the target Gamma value to enable the display panel to display a set display picture with set brightness, the target brightness is larger than the set brightness, the on pixel rate of the set display picture is identical with the set on pixel rate, and the set Gamma proportion is larger than the target Gamma proportion.

Inventors

TAO YI
NIU WENXIAO
Wei Qinghu
WANG DAJUN
ZHANG MI
LI RENDONG
WU JI
WANG QI
NIE PENG
HE LIU

Assignees

京东方科技集团股份有限公司
成都京东方光电科技有限公司

Dates

Publication Date: 20260512
Application Date: 20260325

Claims (10)

1. A display driving method of a display panel, comprising: Determining a target on pixel rate of a target display picture; Obtaining a target Gamma proportion and a target Gamma value corresponding to the target on pixel rate under the condition that the target on pixel rate is smaller than or equal to a set on pixel rate; driving the display panel based on the target Gamma ratio and the target Gamma value to cause the display panel to display a target display screen of a target brightness; The target Gamma value and the target Gamma proportion meet the requirements that the display panel is driven based on the set Gamma proportion and the target Gamma value so that the display panel displays a set display picture with set brightness, the target brightness is larger than the set brightness, the on pixel rate of the set display picture is the same as the set on pixel rate, and the set Gamma proportion is larger than the target Gamma proportion.
2. The display driving method of the display panel according to claim 1, wherein obtaining the target Gamma ratio and the target Gamma value corresponding to the target on-pixel rate includes: Judging a conduction pixel rate interval to which the target conduction pixel rate belongs; and obtaining the Gamma proportion and the Gamma value corresponding to the conducting pixel rate interval, namely the target Gamma proportion and the target Gamma value.
3. The display driving method of a display panel according to claim 2, wherein the interval target Gamma ratios corresponding to the different on pixel rate intervals are different; and/or, the interval target Gamma values corresponding to the different on pixel rate intervals are different.
4. A display driving method of a display panel according to claim 3, wherein the set target pictures corresponding to different target display pictures are the same; the target Gamma values corresponding to different target display pictures are different; and/or setting Gamma ratios corresponding to different target display pictures are different.
5. The display driving method of a display panel according to any one of claims 1 to 4, wherein the method further comprises: Inquiring a target Gamma value corresponding to the target on pixel rate under the condition that the target on pixel rate is larger than or equal to a set on pixel rate; And displaying the picture based on the Gamma value.
6. The display driving method of the display panel according to claim 5, wherein querying a target Gamma value corresponding to the target on-pixel rate comprises: Judging a conduction pixel rate interval to which the target conduction pixel rate belongs; and obtaining a Gamma value corresponding to the conducting pixel rate interval, namely the target Gamma value.
7. A method for debugging a display panel, for obtaining a target Gamma ratio and a target Gamma value in claim 1, the method comprising: Setting an initial Gamma proportion; Reducing the Gamma proportion on the basis of the initial Gamma proportion, changing the Gamma value, and driving the display panel by using the reduced Gamma proportion to enable the display panel to display a set display picture with set on pixel rate and set brightness, and recording the current Gamma value; Reducing the Gamma proportion to an initial Gamma proportion, driving the display panel based on the current Gamma value and the initial Gamma proportion to enable the display panel to display a target display picture with target on pixel rate, measuring the brightness of the target display picture, and judging whether the brightness of the display picture is the target brightness or not: if the judgment result is yes, the current Gamma value is marked as a target Gamma value, and the initial Gamma proportion is marked as a target Gamma proportion; If the judgment result is negative, repeating the steps until the judgment result is positive.
8. The method for debugging a display panel according to claim 7, further comprising, before setting the initial Gamma ratio: confirming a first limit brightness of the display panel under the condition of adjustable white balance; Debugging the voltage drop compensation parameter to enable the brightness of pictures with different on pixel rates to be close under the condition of the same Gamma value; and confirming the second limit brightness of the display panel under the condition of adjustable white balance again, wherein the difference value between the second limit brightness and the first limit brightness is within a preset error range.
9. A display device, comprising: a display panel; A driving chip electrically connected to the display panel and configured to drive the display panel by using the display driving method of the display panel according to any one of claims 1 to 6 so that the display panel displays a display screen having a target brightness and a target on-pixel rate.
10. A readable storage medium storing a computer program, wherein the computer program, when executed by a processor, implements the display driving method of the display panel according to any one of claims 1 to 6.

Description

Display driving method, debugging method, display device, and storage medium Technical Field The disclosure relates to the technical field of display, and in particular relates to a display driving method, a debugging method, a display device and a medium. Background The brightness display effect of the display panel directly influences the visual experience of a user, and the Gamma value is used as a core parameter of brightness driving, and the value of the Gamma value directly determines the brightness output curve and gray scale performance of the display panel. In actual production, the existing debugging process only aims at HBM (High Brightness Mode ) to debug a group of Gamma values, which may cause that the display panel cannot cover the brightness requirement of multi-gear OPR (On Pixel rate or Pixel On rate) level, resulting in the problems of unstable brightness output and poor consistency of image quality of the display panel under different OPR scenes. Disclosure of Invention The disclosure aims to at least solve one of the technical problems in the prior art, and proposes a display driving method, a debugging method, a display device and a medium. In order to achieve the above object, the present disclosure provides a display driving method of a display panel, including: Determining a target on pixel rate of a target display picture; Obtaining a target Gamma proportion and a target Gamma value corresponding to the target on pixel rate under the condition that the target on pixel rate is smaller than or equal to a set on pixel rate; driving the display panel based on the target Gamma ratio and the target Gamma value to cause the display panel to display a target display screen of a target brightness; The target Gamma value and the target Gamma proportion meet the requirements that the display panel is driven based on the set Gamma proportion and the target Gamma value so that the display panel displays a set display picture with set brightness, the target brightness is larger than the set brightness, the on pixel rate of the set display picture is the same as the set on pixel rate, and the set Gamma proportion is larger than the target Gamma proportion. In some embodiments, obtaining the target Gamma ratio and the target Gamma value corresponding to the target on-pixel rate includes: Judging a conduction pixel rate interval to which the target conduction pixel rate belongs; and obtaining the Gamma proportion and the Gamma value corresponding to the conducting pixel rate interval, namely the target Gamma proportion and the target Gamma value. In some embodiments, the interval target Gamma ratios corresponding to different on pixel rate intervals are different; and/or, the interval target Gamma values corresponding to the different on pixel rate intervals are different. In some embodiments, the set target frames corresponding to different target display frames are the same; The target Gamma values corresponding to different target display pictures are different, and/or the setting Gamma ratios corresponding to different target display pictures are different. In some embodiments, the method further comprises: Inquiring a target Gamma value corresponding to the target on pixel rate under the condition that the target on pixel rate is larger than or equal to a set on pixel rate; And displaying the picture based on the Gamma value. In some embodiments, querying a target Gamma value corresponding to the target on-pixel rate includes: Judging a conduction pixel rate interval to which the target conduction pixel rate belongs; and obtaining a Gamma value corresponding to the conducting pixel rate interval, namely the target Gamma value. The disclosure further provides a method for debugging a display panel, configured to obtain a target Gamma ratio and a target Gamma value, where the method includes: Setting an initial Gamma proportion; Reducing the Gamma proportion on the basis of the initial Gamma proportion, changing the Gamma value, and driving the display panel by using the reduced Gamma proportion to enable the display panel to display a set display picture with set on pixel rate and set brightness, and recording the current Gamma value; Reducing the Gamma proportion to an initial Gamma proportion, driving the display panel based on the current Gamma value and the initial Gamma proportion to enable the display panel to display a target display picture with target on pixel rate, measuring the brightness of the target display picture, and judging whether the brightness of the display picture is the target brightness or not: if the judgment result is yes, the current Gamma value is marked as a target Gamma value, and the initial Gamma proportion is marked as a target Gamma proportion; If the judgment result is negative, repeating the steps until the judgment result is positive. In some embodiments, before setting the initial Gamma ratio, further comprising: confirming a first limit brightness of the