Flexible display panel and flexible display device

A flexible display and flexible substrate technology, applied in semiconductor devices, electrical components, circuits, etc., can solve problems affecting the display effect of flexible display panels, and achieve the effect of reducing the probability of cracks

Active Publication Date: 2018-11-06
SHANGHAI TIANMA MICRO ELECTRONICS CO LTD
View PDF3 Cites 12 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the present invention provides a flexible display panel and a flexible display device to solve the problem that the cracks in the inorganic layer at the edge of the flexible display panel further expand to the inner display area and affect the display effect of the flexible display panel

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Flexible display panel and flexible display device
  • Flexible display panel and flexible display device
  • Flexible display panel and flexible display device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0021] As mentioned in the background, the cracks in the inorganic layer at the edge of the flexible display panel will further spread to the inner display area during the subsequent application process, causing water vapor and oxygen to enter the display area from the cracks, affecting the display effect of the flexible display panel.

[0022] Although the prior art provides a method of digging grooves in the inorganic layer of the non-display area to prevent cracks from extending to the inner display area, the cracks in the edge inorganic layer will still propagate to the inorganic layer of the inner display area. The inventors have found that the reason for the inward propagation of cracks is that the inorganic layer is brittle. Once a crack appears on the edge of the inorganic layer, the crack will extend from the bottom of the groove to the top and extend to the display area inside.

[0023] Based on this, the present invention provides a flexible display panel to overcome...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention provides a flexible display panel and a flexible display device. The flexible display panel comprises a flexible substrate and at least one inorganic layer arranged on the flexible substrate, wherein the flexible substrate comprises a display area and a non-display area; the non-display area comprises at least one trench arranged in each inorganic layer, a first organic layer covering the trenches, and a metal layer located on the surface of the first organic layer; and the metal layer at least covers an interface, close to the display area, of each trench and each inorganic layer, so that, based on this, the probability of cracks in the inorganic layers on the edge can be reduced and the cracks in the inorganic layers on the edge can be effectively prevented from further extending towards the inorganic layers in the display area at the inner side and other films, thereby avoiding the condition that water vapor and oxygen enter the display area from the cracks to affect the display effect of the flexible display panel.

Description

technical field [0001] The present invention relates to the field of display technology, and more specifically, to a flexible display panel and a flexible display device. Background technique [0002] Since the flexible display panel has the advantages of being bendable, rollable and easy to carry, it has become the focus of current research and development in the field of display. In the production and manufacture of flexible display panels, in order to improve production efficiency and reduce manufacturing costs, multiple flexible display panels are made on a large motherboard, and then the motherboard is cut into independent flexible display panels through a cutting process. display panel. [0003] However, in the process of cutting the mother board, the stress generated by the cutting will cause cracks in the inorganic layer at the edge of the flexible display panel, and in the subsequent application process, the cracks will further expand to the inner display area, cau...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): H01L27/32
CPCH10K59/00H10K59/10H10K59/131
Inventor 钱旭
Owner SHANGHAI TIANMA MICRO ELECTRONICS CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap