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Flexible covering window

A flexible and flexible display technology, applied in the direction of identifying the structural components of devices, instruments, portable computers, etc., can solve the problems of delamination or buckling, difficult application of covering windows, increased deformation, etc., to prevent delamination or buckling, reduce stretching and other problems. Long-term difference, the effect of improving the service life

Pending Publication Date: 2022-07-29
UTI INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, as the thickness of the cover window increases and the stiffness increases, the deformation during folding increases, making the cover window difficult to apply
[0016] Also, regardless of the material that covers the window, delamination or buckling issues are more likely to occur as the number of folds increases

Method used

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  • Flexible covering window
  • Flexible covering window
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Examples

Experimental program
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Effect test

Embodiment Construction

[0038] The present disclosure relates to a cover window for protecting a flexible display and a glass-based cover window for protecting a flexible display in a foldable, rollable, slidable and stretchable manner.

[0039] In particular, the present disclosure prevents delamination or buckling at the folded portion due to micro-deformation caused by the difference in elongation between the glass substrate and the display panel by forming an elastic buffer layer on the rear surface of the window substrate, thereby Improves the service life of the cover window and minimizes screen distortion at the folded portion.

[0040] In addition, by forming an elastic buffer layer on the rear surface of the window substrate, restrictions on the material, thickness, and hardness of the window substrate can be minimized, and various materials can be used according to the folding manner of the flexible display or product specifications. window substrate.

[0041] In addition, by forming an el...

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Abstract

A flexible cover window is presented that includes a window substrate and an elastic buffer layer having a single-layer structure or a multi-layer structure. An elastic buffer layer is provided on the rear surface of the window substrate to absorb deformation occurring in the folded portion. The flexible cover window is a glass-based cover window for protecting a foldable, rollable, slidable, or stretchable flexible display. Further, the flexible cover window has an elastic buffer layer on a rear surface of the window substrate to reduce an elongation difference between the window substrate and the display panel, so that delamination or buckling due to micro-deformation at a folded portion of the flexible cover window may be prevented. Accordingly, the service life of the flexible cover window is extended and image distortion on the screen at the folded portion may be prevented.

Description

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS [0002] This application claims priority from Korean Patent Application No. 10-2021-0012012 filed on January 28, 2021, the entire contents of which are incorporated herein by reference for all purposes. technical field [0003] The present disclosure relates to flexible covering windows. More particularly, the present disclosure relates to a flexible cover window having an elastic buffer layer on the rear surface of its substrate to absorb micro-deformations that occur in the folded portion to prevent delamination or buckling in the folded portion. Background technique [0004] In recent years, electrical and electronic technology has developed rapidly, and various types of display products have been emerging to meet the needs of the new era and the needs of various consumers. [0005] In the case of flexible displays, research is being conducted on displays capable of bending, rolling and stretching from a folded state. The ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09F9/30C09J7/29
CPCG09F9/301C09J7/29B32B27/36B32B27/281B32B17/10B32B7/12B32B2307/51B32B27/08B32B27/40B32B27/32B32B2274/00B32B2457/20B32B2307/412C03C17/3405G06F1/1652G02B1/14G02B5/3083G06F1/1641G06F1/1616
Inventor 黄在永鲜于国贤河泰周
Owner UTI INC
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