Display method, display panel and display control device
A display method, a display panel, a display control device, a storage medium and a product, where the display method includes: performing, according to a display area to which a data to be displayed belongs, a gray-scale conversion on the data to be displayed to obtain a gray-scale value of the data to be displayed; performing mapping on the gray-scale value of the data to be displayed corresponding to the first display area and the gray-scale value of the data to be displayed corresponding to the second display area respectively by using different gamma curves to obtain a first display voltage and a second display voltage; and controlling the first display area and the second display area of the display panel to display according to the first display voltage and the second display voltage.
1. A display method, applicable to a display panel comprising a first display area and a second display area, the method comprising:
performing, according to a display area to which a data to be displayed belongs, a gray-scale conversion on the data to be displayed to obtain a gray-scale value of the data to be displayed;
performing mapping on the gray-scale value of the data to be displayed corresponding to the first display area and the gray-scale value of the data to be displayed corresponding to the second display area respectively by using different gamma curves to obtain a first display voltage and a second display voltage; wherein the gamma curve is used for representing a corresponding relationship between the gray-scale value and the display voltage;
controlling the first display area and the second display area of the display panel to display according to the first display voltage and the second display voltage; and
performing a segmentation on a preset gamma curve to obtain a plurality of gamma curves corresponding to different display areas;
wherein performing the segmentation on a preset gamma curve to obtain a plurality of gamma curves corresponding to different display areas comprises:
performing a segmentation on the curve according to a curve smoothness of the preset gamma curve to obtain N curve segments of the preset gamma curve, wherein N is a positive integer and an even number;
constituting a gamma curve of the first display area from a 1-st curve segment to a (N/2)-th curve segment among the N curve segments; and
constituting a gamma curve of the second display area from a (N/2+1)-th curve segment to a N-th curve segment.
2. The display method according to claim 1 , wherein performing, according to a display area to which a data to be displayed belongs, the gray-scale conversion on the data to be displayed to obtain a gray-scale value of the data to be displayed comprises:
determining, according to the display area to which the data to be displayed belongs, an algorithm of the gray-scale conversion corresponding to the display area; and
performing the gray-scale conversion on a current gray-scale value of the data to be displayed by using the algorithm of the gray-scale conversion to obtain the gray-scale value of the data to be displayed.
3. The display method according to claim 2 , wherein performing the gray-scale conversion on a current gray-scale value of the data to be displayed by using the algorithm of the gray-scale conversion to obtain the gray-scale value of the data to be displayed comprises:
when the display area is an area in which an under-display camera is arranged, halving the gray-scale value corresponding to the display area to obtain a first processing result;
summing the first processing result and a preset constant to obtain a second processing result; and
determining the second processing result as the gray-scale value of the data to be displayed.
4. The display method according to claim 2 , wherein performing the gray-scale conversion on a current gray-scale value of the data to be displayed by using the algorithm of the gray-scale conversion to obtain the gray-scale value of the data to be displayed comprises:
when the display area is an area where no under-display camera is arranged, halving the gray-scale value corresponding to the display area to obtain a third processing result; and
determining the third processing result as the gray-scale value of the data to be displayed.
5. The display method according to claim 1 , wherein before performing the segmentation on a preset gamma curve to obtain a plurality of gamma curves corresponding to different display areas, the method further comprises:
acquiring a factory gamma curve of the display panel; and
correcting the factory gamma curve by using a target gamma curve to obtain the preset gamma curve.
6. The display method according to claim 1 , wherein the display panel is a display panel with an under-display camera;
the first display area is an area in which the under-display camera is arranged, and the second display area is an area in which no under-display camera is arranged; and
the first display voltage is higher than the second display voltage.
7. A display control device configured to control a display panel to display, wherein the display panel comprises a first display area and a second display area;
the display control device comprises:
a data processing unit, configured to perform, according to a display area to which a data to be displayed belongs, a gray-scale conversion on the data to be displayed to obtain a gray-scale value of the data to be displayed;
a voltage output unit, configured to perform mapping on the gray-scale value of the data to be displayed corresponding to the first display area and the gray-scale value of the data to be displayed corresponding to the second display area respectively by using different gamma curves to obtain a first display voltage and a second display voltage; wherein the gamma curve is used for representing a corresponding relationship between the gray-scale value and the display voltage; and
a control unit, configured to control the first display area and the second display area of the display panel to display according to the first display voltage and the second display voltage;
wherein the display control device is configured to perform a segmentation on a preset gamma curve to obtain a plurality of gamma curves corresponding to different display areas, and the segmentation comprises:
performance of a segmentation on the curve according to a curve smoothness of the preset gamma curve to obtain N curve segments of the preset gamma curve, wherein N is a positive integer and an even number;
constitution of a gamma curve of the first display area from a 1-st curve segment to a (N/2)-th curve segment among the N curve segments; and
constitution of a gamma curve of the second display area from a (N/2+1)-th curve segment to a N-th curve segment.
8. The display control device according to claim 7 , wherein the display panel is a display panel with an under-display camera;
the first display area is an area in which the under-display camera is arranged, and the second display area is an area in which no under-display camera is arranged; and the first display voltage is higher than the second display voltage.
9. A display panel, comprising:
a substrate, comprising a first display area and a second display area; and
a controller, configured to control the first display area and the second display area on the substrate to display by using the display method according to claim 1 .
10. The display panel according to claim 9 , wherein the display panel is a display panel with an under-display camera; and
the first display area is an area in which the under-display camera is arranged, and the second display area is an area in which no under-display camera is arranged; and the first display voltage is higher than the second display voltage.