Flexible Cover Window
A flexible cover and flexible technology, applied in windows/doors, building components, coatings, etc., can solve the problems of reduced resolution, reduced visibility of cover windows, picture distortion, etc., and achieve excellent visibility and impact resistance, anti-corrosion The effect of excellent planning function and minimum quality difference
Active Publication Date: 2021-01-05
UTI INC
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Problems solved by technology
Among them, such as figure 1 As shown, the thickness gradually becomes thicker from the folded portion and extends to the boundary portion of the planar area of the cover window at both ends of the folded portion, but the reflection of light can be seen by the naked eye at this portion, resulting in the visible cover window. decreased sex
[0020] figure 2 Shows the situation where the reflective surface in the boundary portion between the folded portion and the flat area is seen by the naked eye, which causes picture distortion or lowered resolution, so when using a flexible cover window, it is necessary to improve the above-mentioned problems
Method used
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[0053] The present invention relates to a flexible cover window, in particular, to a flexible cover window which minimizes the visibility of the boundary portion in the folded portion, that is, the visibility to the naked eye due to the reflection of the boundary surface of glass, and ensures strength and folding characteristics.
[0054] In addition, the present invention provides a flexible cover window, which is formed of a composite material composed of glass and resin material, so that while maintaining the texture of glass as much as possible, it is possible to enhance the flexibility, recovery, elasticity, and strength characteristics of resin-based materials. .
[0055] In addition, by adding a low-reflection surface material to the folded area or the entire area or performing a low-reflection surface treatment, it is possible not only to minimize the visibility to the naked eye due to the reflection of the boundary surface of the window, but also to minimize fine crack...
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Abstract
The present invention relates to a cover window. The cover window for a flexible display is characterized by comprising: a first window which is formed of glass and on an upper portion of a first surface of the flexible display; a second window which is formed of glass and on an upper portion of a second surface of the flexible display; and a folding part which is formed between the first window and the second window, formed by corresponding to a region in which the display is folded, and filled with transparent resin materials, wherein a transparent resin layer is formed continuously to the transparent resin materials filled in the folding part in the total surface of the first window and the second window, a chamfer part is formed at the end of the first window and the end of the secondwindow, which are adjacent to the folding part, and a curvature radius (R) of the chamfer part is 0.01-0.1 mm.
Description
technical field [0001] The present invention relates to a flexible cover window, in particular, to a flexible cover window which minimizes the visibility of the boundary portion in the folded portion, that is, the visibility to the naked eye due to the reflection of the boundary surface of glass, and ensures strength and folding characteristics. Background technique [0002] In recent years, with the rapid development of electrical and electronic technologies, various forms of display products have emerged in order to meet the needs of the new era and various consumers. Among them, flexible displays that can fold and unfold the screen are being actively researched. [0003] For flexible displays, forms from basic folding to bending, winding, and stretching are being studied, and in addition to the display panel, a cover window for protecting the display panel should also be flexible. [0004] Basically, such a flexible cover window should have good softness, and even if it i...
Claims
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IPC IPC(8): G09F9/30
CPCG09F9/301G06F2200/1634G06F1/1652G06F1/1641B32B27/08B32B2255/205B32B2307/416E06B3/28
Inventor 朴德荣黄在永金学喆鲜于国贤河泰周
Owner UTI INC