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Display device and manufacturing method thereof

A technology for display devices and display functions, applied in identification devices, semiconductor/solid-state device manufacturing, instruments, etc., can solve the problems of film discontinuity, fracture, poor film quality, etc., and achieve good water and oxygen barrier performance

Active Publication Date: 2021-12-03
WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When forming an inorganic film of a thin-film packaging structure on this cavity structure, there are problems that the inorganic film will have discontinuous film layers and poor film quality due to the excessively large taper angle, for example, exceeding 80°. Prone to fracture (crack) and other failures

Method used

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  • Display device and manufacturing method thereof
  • Display device and manufacturing method thereof
  • Display device and manufacturing method thereof

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Embodiment Construction

[0029] The following will clearly and completely describe the technical solution in the application with reference to the accompanying drawings in the implementation manner of the application. Apparently, the described implementations are only some of the implementations of this application, not all of them. Based on the implementation manners in this application, all other implementation manners obtained by those skilled in the art without creative efforts shall fall within the scope of protection of this application.

[0030] 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...

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Abstract

The present application provides a display device, which includes: a flexible substrate with an undercut groove; and a display function layer, which is arranged on the flexible substrate and includes an organic light-emitting layer, and the organic light-emitting layer is formed in the groove. The groove is broken; the inner wall of the groove is covered with an organic layer.

Description

technical field [0001] The present application relates to the display field, in particular to a display device and a manufacturing method thereof. Background technique [0002] In the known organic light emitting diode display device, in order to prevent the invasion of water and oxygen, a special structure is formed in some positions of the display panel, so that the organic light emitting layer is incoherent at the special position, while the thin film encapsulation structure is continuous. One of the methods is to etch the display panel to form a cavity structure. However, the water and oxygen barrier properties of inorganic membranes are directly related to the morphology of the underlying membrane layer. When forming an inorganic film with a thin-film packaging structure on this cavity structure, there will be discontinuity in the film layer and poor film quality of the inorganic film due to the excessively large taper angle, for example, exceeding 80°. Failures such ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L51/52H01L27/32G09F9/30
CPCG09F9/301H10K59/12H10K50/844H10K59/1201
Inventor 黄静
Owner WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD