Display panel and manufacturing method thereof, and display device

Abstract

The invention discloses a display panel and a manufacturing method thereof, and a display device. The display panel comprises an installation hole and a packaging area surrounding the installation hole. The packaging area comprises a substrate base plate and an isolation structure arranged on the substrate base plate. The isolation structure comprises an isolation column and gentle layers formed behind the isolation column and located on two sides of the isolation column. Each gentle layer comprises a filling part making contact with a side wall of the isolation column, and a surface of one side, deviating from the substrate base plate, of the filling part is gradually away from the substrate base plate in a direction from a position away from the isolation column to the position close tothe isolation column. By using the display panel, a sharp surface located at a bottom of the side wall of the isolation column is eliminated so that the surface of the bottom of the side wall of the isolation column is gentle, a film thickness of an inorganic packaging layer can be more uniform, packaging failure is avoided, a packaging effect is guaranteed, and a service life of a display area OLED is ensured.

Description

Technical field [0001] The invention relates to the field of display technology, in particular to a display panel, a preparation method thereof, and a display device. Background technique [0002] Organic Light Emitting Diode (OLED) is an active light emitting display device, which has the advantages of self-luminescence, wide viewing angle, high contrast, low power consumption, and fast response speed. With the continuous development of display technology, OLED technology is increasingly used in various display devices, especially in smart terminal products such as mobile phones and tablet computers. [0003] With the development of Active Matrix Organic Light-Emittintg Diode (AMOLED) technology, the requirements for the display area of ​​display devices, such as full screens and borderless screens, are getting higher and higher, in order to bring more to users. Hyun visual impact. As smart terminals and other products usually require hardware such as front cameras, infrared sen...

AI Technical Summary

Problems solved by technology

[0005] In the existing technology, such as figure 1 as shown, figure 1 It is a schematic diagram of the packaging area of ​​a display panel. Since the angle θ of the foot of the isolation column in the inverted trapezoidal structure is small, the thickness of the inorganic packaging layer at the foot of the isolation column is relatively thin, so that the inorganic packaging layer is easy to be placed at the bottom of the isolation column. The position of the pin is damaged, causing the package to fail, making water and oxygen invade into the OLED through the isolation column, which affects the life of the OLED

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