Array substrate and preparation method thereof, and display panel

Abstract

The present application discloses an array substrate, its preparation method, and a display panel, wherein, the array substrate is provided with at least one isolation mesa in the pixel groove in the pixel definition layer, so that the second sub-pixel located on the isolation mesa The light-emitting layer of the first sub-pixel and the light-emitting layer of the first sub-pixel located on the exposed bottom surface of the pixel groove are on different planes, thereby achieving the purpose of isolating the light-emitting layer of the second sub-pixel from the light-emitting layer of the first sub-pixel and avoiding the second When the anode of the sub-pixel and the anode of the first sub-pixel receive different voltages, the light-emitting layer affects the adjacent sub-pixels, which improves the display effect of the sub-pixels; and the isolation mesa arranged in the pixel groove is The coverage of the light-emitting layer of the second sub-pixel will not form a non-light-emitting area in the pixel groove, and will not reduce the aperture ratio of the array substrate. On the basis of avoiding the influence of crosstalk between adjacent sub-pixels, the high density of the array substrate is guaranteed. PPI.

Description

technical field [0001] The present application relates to the field of display technology, and more specifically, to an array substrate, a manufacturing method thereof, and a display panel. Background technique [0002] With the continuous development of display technology, the application of display panels is becoming more and more extensive. Self-luminous display panels refer to the display pixels on the array substrate composed of active light-emitting units, which can emit light without backlight excitation. , so as to realize the display of the screen, so that the backlight module of the display device can be removed, which is beneficial to reduce the overall thickness of the display device. [0003] An organic light emitting (Organic Light Emitting Diode, OLED) display panel is a kind of self-luminous display panel, and the OLED display panel has the advantages of fast response speed, brilliant color, thinness and convenience. In order to increase the PPI (Pixels Per ...

AI Technical Summary

Problems solved by technology

[0004] However, when multiple sub-pixels in the same display pixel receive different voltages, the sub-pixels will be affected by the voltage of adjacent sub-pixels, resulting in poor display effect of the affected sub-pixels, thus making the display panel The display effect of the display is not good, which has a bad influence on the user's visual experience

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