Organic light-emitting display panel, method for driving the same, and organic light-emitting display device

An organic light-emitting display device, comprising an organic light-emitting display panel,

• wherein the organic light-emitting display panel comprises:
• a base substrate, wherein a display area and a peripheral area surrounding the display area are provided on the base substrate, and the display area comprises a display sub-area and a fingerprint recognition sub-area;
• a plurality of pixel driving circuits and a plurality of organic light-emitting components, wherein the plurality of pixel driving circuits and the plurality of organic light-emitting components are arranged in the display area, and the plurality of organic light-emitting components is electrically connected to the plurality of pixel driving circuits in one-to-one correspondence;
• a first emission driving circuit arranged in the peripheral area and electrically connected to at least one of the plurality of pixel driving circuits that is arranged in the display sub-area;
• a second emission driving circuit arranged in the peripheral area and electrically connected to at least one of the plurality of pixel driving circuits that is arranged in the fingerprint recognition sub-area;
• a scan driving circuit arranged in the peripheral area and electrically connected to the plurality of pixel driving circuits in the display area;
• and
• a fingerprint recognition sensor arranged at a side of the plurality of organic light-emitting components facing toward the base substrate, wherein an orthographic projection of the fingerprint recognition sensor on a plane of the base substrate is located within the fingerprint recognition sub-area.

A method for driving an organic light-emitting display panel, applicable to an organic light-emitting display panel,

• wherein the organic light-emitting display panel comprises:
• a base substrate, wherein a display area and a peripheral area surrounding the display area are provided on the base substrate, and the display area comprises a display sub-area and a fingerprint recognition sub-area;
• a plurality of pixel driving circuits and a plurality of organic light-emitting components, wherein the plurality of pixel driving circuits and the plurality of organic light-emitting components are arranged in the display area, and the plurality of organic light-emitting components is electrically connected to the plurality of pixel driving circuits in one-to-one correspondence;
• a first emission driving circuit arranged in the peripheral area and electrically connected to at least one of the plurality of pixel driving circuits that is arranged in the display sub-area;
• a second emission driving circuit arranged in the peripheral area and electrically connected to at least one of the plurality of pixel driving circuits that is arranged in the fingerprint recognition sub-area;
• a scan driving circuit arranged in the peripheral area and electrically connected to the plurality of pixel driving circuits in the display area;
• and
• a fingerprint recognition sensor arranged at a side of the plurality of organic light-emitting components facing toward the base substrate, wherein an orthographic projection of the fingerprint recognition sensor on a plane of the base substrate is located within the fingerprint recognition sub-area,
• wherein each frame of the organic light-emitting display panel is a display frame or a fingerprint recognition frame, and the method comprises steps of:
• in the display frame, providing, by the scan driving circuit, a scan signal to the plurality of pixel driving circuits in the display area;
• providing, by the first emission driving circuit, a first emission signal to the at least one of the plurality of pixel driving circuits that is arranged in the display sub-area;
• and providing, by the second emission driving circuit, a second emission signal to the at least one of the plurality of pixel driving circuits that is arranged in the fingerprint recognition sub-area, wherein a number of occurrences of high levels of the first emission signal is the same as a number of occurrences of high levels of the second emission signal, and each high level of the first emission signal has a same duration as that of a corresponding high level of the second emission signal;
• and
• in the fingerprint recognition frame, providing, by the scan driving circuit, a scan signal to the plurality of pixel driving circuits in the display area;
• providing, by the first emission driving circuit, a first emission signal to the at least one of the plurality of pixel driving circuits that is arranged in the display sub-area;
• providing, by the second emission driving circuit, a third emission signal to the at least one of the plurality of pixel driving circuits that is arranged in the fingerprint recognition sub-area;
• receiving, by the fingerprint recognition sensor, light reflected by a fingerprint to perform fingerprint recognition, wherein a number of occurrences of high levels of the third emission signal is smaller than the number of occurrences of high levels of the first emission signal, and/or each high level of the third emission signal has a shorter duration than that of a corresponding high level of the first emission signal.