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OLED display panel

A display panel and display area technology, applied in the field of OLED display panels, can solve the problems of difficulty in separation, easy adhesion of polyimide flexible layer and substrate substrate, affecting the display quality of the display panel in the production process, etc., so as to reduce the processing difficulty. , to avoid display quality effects

Pending Publication Date: 2020-04-28
WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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  • Claims
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AI Technical Summary

Problems solved by technology

[0004] This application relates to an OLED display panel, which is used to solve the problem in the prior art that during the production process of the OLED display panel, due to the lack of a structure in the OLED display panel that can prevent the anisotropic conductive glue from overflowing the display area of ​​the display panel, the said The polyimide flexible layer and the base substrate in the display panel are easy to stick together and difficult to separate, which affects the subsequent production process and the display quality of the display panel

Method used

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Embodiment Construction

[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Apparently, the described embodiments are only some of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of this application.

[0034] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation indicated by rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc. The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the a...

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Abstract

The invention discloses an OLED display panel. The display panel comprises a display area and a non-display area; the display area and the non-display area are each provided with multiple different film layer structures; a flexible printed circuit board and an anisotropic conductive adhesive for bonding the display panel and the flexible printed circuit board are also arranged in the non-display area; one side, close to the non-display area, of the display panel is provided with a blocking part; the blocking part covers one or more different film layers and is used for blocking the anisotropicconductive adhesive from overflowing from the edge of the non-display area. The blocking part is arranged in the display panel; the blocking part covers the plurality of different film layers; the blocking part comprises a trench and a retaining wall structure; the number of the film layers covered by the trench is equal to the number of the film layers covered by the retaining wall structure; since the display panel comprises a combination of one or multiple different film layers, adhesion stability between the display panel and the flexible printed circuit board is improved, and the influence of overflowing of the anisotropic conductive adhesive from the edge of the non-display area on the display quality of the display panel is effectively prevented.

Description

technical field [0001] The present application relates to the display field, in particular to an OLED display panel. Background technique [0002] The existing OLED display panel has a profound impact on the application of wearable devices due to its low power consumption and bendable characteristics. In the future, flexible screens will be widely used with the continuous penetration of personal smart terminals. However, during the production process of the OLED display panel, the Anisotropic Conductive Film (ACF, Anisotropic Conductive Film) disposed between the display panel and the flexible printed circuit board on the display panel is heated and melted, which will overflow the The display panel, which flows to the edge of the display panel, and then adheres the polyimide flexible layer and the base substrate of the display panel, so that when the laser is used to peel off the polyimide flexible layer and the base substrate The difficulty increases, even can not be separ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L27/32
CPCH10K59/123H10K59/124H10K59/126H10K59/1213H10K59/122H10K71/00H05K1/189H05K3/323H05K2201/10128H10K71/80H10K59/1201H10K2102/311H10K59/131H10K77/111
Inventor 周思思
Owner WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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