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Cover window and flexible display device including the same

A technology of polymer film and inorganic layer, which is applied in identification devices, computer display casings, nonlinear optics, etc., can solve the problems of easy breakage, heavy glass substrate, and difficulty in display panel conversion, and achieve the effect of improving durability

Pending Publication Date: 2021-02-09
SAMSUNG DISPLAY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, glass substrates are relatively heavy and prone to breakage
Also, glass substrates are relatively rigid, so converting display panels into different shapes can be difficult

Method used

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  • Cover window and flexible display device including the same
  • Cover window and flexible display device including the same
  • Cover window and flexible display device including the same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 3

[0102] Exemplary Embodiment 3 corresponds to Exemplary Embodiment 4, except that the hard coat layer 120 is thicker by 1 μm. Exemplary Embodiment 3 exhibited a higher amount of bending deformation than Exemplary Embodiment 4. Due to the deformation in the bending area BA, three lines are seen in the bending area BA according to Comparative Example 4 and Exemplary Embodiment 2, but one line is seen in the bending area BA according to Exemplary Embodiment 3 and Exemplary Embodiment 4.

[0103] Table 3 presents the evaluation results found by varying the configuration and thickness of the layers within the cover window CW.

[0104] (table 3)

[0105]

[0106] The respective layers described below in relation to Table 3 are sequentially provided from the polymer film 110 in a direction away from the display panel DP.

[0107] In Table 3, Structure 1 shows the evaluation results of the cover window CW in which the hard coat layer 120 of 3 μm thickness and the first inorganic l...

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Abstract

The invention relates to a cover window which includes: a polymer film, a first hard coating layer on the polymer film, a first inorganic layer facing the polymer film with the first hard coating layer therebetween, and a second inorganic layer on the polymer film and defining an outer surface of the cover window.

Description

[0001] This application claims priority to and all benefits derived from Korean Patent Application No. 10-2019-0096737 filed on August 8, 2019, the entire contents of which are incorporated herein by reference. technical field [0002] The present disclosure relates to a cover window and a flexible display device including the cover window. Background technique [0003] Display devices such as organic light emitting devices and liquid crystal displays include display panels manufactured by providing a plurality of layers and elements on a substrate. Glass is used as a substrate for display panels. However, glass substrates are relatively heavy and prone to breakage. In addition, glass substrates are relatively rigid, so converting the display panel into different shapes can be difficult. Contents of the invention [0004] Embodiments provide a cover window for preventing or reducing deformation of a curved region of a display device and improving durability thereof, and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L51/52H01L27/32G09F9/30
CPCG09F9/301H10K59/40H10K59/12H10K50/841H10K50/844G06F1/1637H04M1/0268G02B1/14G02F1/133305G02F1/133331G02F2202/02G02F2202/09G06F1/1652G06F1/1641B32B2255/10B32B7/12B32B2307/536B32B27/308B32B2255/28B32B2307/54B32B2457/208B32B27/34B32B2255/26B32B2307/732B32B2307/51B32B27/302B32B15/088B32B27/281B32B15/18B32B27/40B32B2307/412B32B2307/202B32B27/365B32B2255/20B32B2307/7246B32B27/36B32B2457/202B32B2307/546B32B27/283B32B15/09B32B27/08G06F2203/04102H10K2102/311C09D1/02G06F1/1609
Inventor 吴惠珍朴映相徐寅硕安成国安兴根李璋斗
Owner SAMSUNG DISPLAY CO LTD
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