Organic electroluminescence display panel, manufacturing method thereof, and display device
A technology of electroluminescent display and manufacturing method, which is applied in the direction of identifying devices, circuits, electrical components, etc., can solve the problems of reducing the yield rate of display panels, achieve improved product reliability and yield, improve packaging effect, and reduce thickness Effect
Active Publication Date: 2020-05-19
BOE TECH GRP CO LTD
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Problems solved by technology
After the existing packaging process is completed, the thickness of the inorganic film near the edge of the display panel is relatively large, and it is easy to cause micro-damages when subjected to collisions or other processes, and then expand through micro-damages to reduce the ability of the packaging layer to prevent water vapor. , thereby reducing the yield of the display panel
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[0042] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
[0043] figure 1 It is a schematic diagram of an organic electroluminescent display panel in an embodiment, and the organic electroluminescent display panel includes a display substrate, an organic electroluminescent unit 14 disposed on the display substrate, and an encapsulation layer for encapsulating the organic electroluminescent unit 14 13. Wherein, the display substrate includes inorganic material layers such as a gate insulating layer 11 and an interlayer dielectric layer 12 , and these inorganic material layers cover the display area AA and the frame area BA. The encapsulation layer 13 includes a first inorganic layer 131, a second inorganic layer 132, ...
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The present invention provides a method for manufacturing an organic electroluminescent display panel, comprising: manufacturing a display substrate, the display substrate including a display area and a frame area located on at least one side of the display area, and the frame area includes an outer frame sub-area and an inner frame sub-area, the inner frame sub-area is located between the outer frame sub-area and the display area; an organic protective layer is formed, and the organic protective layer covers at least the outer frame sub-area; An encapsulation layer is formed on the display substrate of the organic protection layer, and the part of the encapsulation layer located in the sub-region of the outer frame is made of inorganic materials; the part of the encapsulation layer located in the sub-region of the outer frame is etched. Correspondingly, the present invention also provides an organic electroluminescence display panel and a display device. The invention can prevent the encapsulation layer from being damaged and ensure the encapsulation effect of the encapsulation layer.
Description
technical field [0001] The invention relates to the technical field of organic electroluminescence, in particular to an organic electroluminescence display panel, a manufacturing method thereof, and a display device. Background technique [0002] In the production process of Organic Light-Emitting Diode Display (OLED), after organic electroluminescent units are formed on the display substrate, thin film encapsulation (Thin Film Encapsulation, TFE) technology is often used to process organic electroluminescence. The unit is encapsulated, and the existing thin film encapsulation technology generally uses two layers of inorganic films sandwiching an organic film as the encapsulation layer. After the existing packaging process is completed, the thickness of the inorganic film near the edge of the display panel is relatively large, and it is easy to cause micro-damages when subjected to collisions or other processes, and then expand through micro-damages to reduce the ability of ...
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IPC IPC(8): H01L51/52G09F9/33
CPCG09F9/33H10K50/844
Inventor 田宏伟牛亚男宋尊庆雷瑶徐飞
Owner BOE TECH GRP CO LTD