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Foldable display device

A technology for display devices and folding areas, which is applied in the direction of identification devices, instruments, etc., can solve problems such as creases on the surface of the screen, and achieve the effect of solving creases

Active Publication Date: 2022-05-06
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

[0004] The present invention provides a foldable display device, which can solve the technical problem of creases on the screen surface due to plastic deformation of the organic material in the folding area of ​​the flexible display panel after multiple folds of the foldable display device in the prior art

Method used

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Embodiment Construction

[0039] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts fall within the protection scope of the present invention. In addition, 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. In the present invention, unless stated to the contrary, the used orientation words such as "up" and "down" usually refer to up and down in the actual use or working state of the device, specifically the direction of the drawing in the drawings ; while "inside" and "outside" refer to ...

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Abstract

The invention provides a foldable display device which is provided with a folding area and non-folding areas located on the two opposite sides of the folding area and comprises a flexible display panel and a rigid supporting layer arranged on the back face of the flexible display panel. Wherein a groove is formed in the surface, facing one side of the flexible display panel, of the rigid supporting layer, and the groove is located in the folding area and is filled with a flexible expansion material. According to the foldable display device, the grooves, corresponding to the folding areas, of the rigid supporting layer are filled with the flexible expansion materials, the flexible expansion materials are expanded through heat generated after the flexible display panel is lightened, and therefore the parts, corresponding to the folding areas, of the rigid supporting layer are bent and deformed in the direction opposite to the folding direction of the foldable display device; the flexible display panel attached to the rigid supporting layer can be tensioned through bending deformation of the rigid supporting layer, and then the problem that due to plastic deformation of organic materials in a folding area of the flexible display panel, creases are generated on the surface of a screen is solved.

Description

technical field [0001] The present invention relates to the field of display technology, in particular to a foldable display device. Background technique [0002] With the continuous breakthrough of OLED display technology, flexible display products are widely used. As an important member of flexible displays, foldable displays have been extensively researched in the industry. like figure 1 As shown, the current problem of the existing foldable display screen 100' is that since the film layer of the foldable display screen 100' is mostly made of flexible organic materials, after repeated bending, the organic material in the folding area 100a' Plastic deformation is prone to occur, resulting in irreversible creases on the screen surface, affecting user experience. [0003] Therefore, there are defects in the prior art, which urgently need to be solved. Contents of the invention [0004] The present invention provides a foldable display device, which can solve the techni...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09F9/30G09F9/33
CPCG09F9/301G09F9/33Y02E10/549
Inventor 陈勇胜
Owner WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD