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Optical display device protecting film, optical member comprising same, and optical display device comprising same

An optical display and protective film technology, applied in the field of optical displays, can solve the problems of inability to achieve folding characteristics, inability to apply foldable optical displays, etc.

Active Publication Date: 2019-04-02
SAMSUNG SDI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Specifically, typical protective films for window films require protection from the external environment and reworkability, among other properties, but fail to achieve folding properties and cannot be applied to foldable optical displays

Method used

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  • Optical display device protecting film, optical member comprising same, and optical display device comprising same
  • Optical display device protecting film, optical member comprising same, and optical display device comprising same
  • Optical display device protecting film, optical member comprising same, and optical display device comprising same

Examples

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example 1

[0129] In terms of solid content, 30 parts by weight of the first urethane (meth)acrylate resin, 60 parts by weight of the second urethane (meth)acrylate resin, 7 parts by weight of ( Meth) acrylate monomer, 3 parts by weight of zirconia particles, 0.1 parts by weight of silicon additives, 0.4 parts by weight of fluorine additives and 2.5 parts by weight of initiator and 50 parts by weight of methyl ethyl alcohol as solvent base ketone to prepare a hard coat composition.

[0130] The prepared hard coat composition was coated onto a thermoplastic polyurethane (TPU) film (thickness: 150 μm, Shore hardness: 98 degrees (98A), ΔE: 1.0 as calculated by Equation 1 , manufacturer: Sheedom Co., Ltd.) as a base layer on one surface, dried at 80°C for 2 minutes, and then used a metal halide lamp (metalhalide lamp) under nitrogen purge conditions at 300 A dose of mJ / cm2 was irradiated, thereby forming a 5 micron thick hard coating.

[0131] A protective film was prepared by forming an a...

example 2 to example 7

[0133] Each of the protective films was prepared in the same manner as in Example 1, except that the thicknesses of the thermoplastic polyurethane film and the hard coat layer were changed as listed in Table 1.

example 8

[0135] A protective film was prepared in the same manner as in Example 1 except that the components of the hard coat composition were changed as listed in Table 2.

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Abstract

Provided are an optical display device protecting film and an optical display device comprising the same, the optical display device protecting film comprising: a first substrate layer; and a hard coating layer formed on the first substrate layer, wherein the substrate layer is made of a thermoplastic polyurethane film, and the first substrate layer has a thickness of 100[mu]m to 200[mu]m and hasa Shore hardness of 95A to 98A.

Description

technical field [0001] The present invention relates to a protective film for an optical display, an optical member including the same, and an optical display including the same. Background technique [0002] Currently, protective films for protecting foldable optical displays from external environments have been developed along with the development of foldable optical displays. For example, a protective film for an optical display may include a window film disposed on an outer surface of an optical display to allow a user to view a displayed image therethrough, or a protective film for a window film disposed on window film to protect the window film. Specifically, typical protective films for window films require protection from external environment and reworkability, among other properties, but fail to achieve folding properties and cannot be applied to foldable optical displays. [0003] In general, protection from the external environment can be achieved by improving t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B1/14G02B6/32G02B1/04C08L75/04C08J7/04C09D133/10C08J7/043C08J7/046
CPCC09D133/10G02B1/04C09D175/16C08L75/16C08K2003/2244G02B1/14C08J2375/04C08J2475/16C08J2483/12C08J7/0427C08J7/043C08J7/046C08K5/02C08K3/22C08L83/12G02B6/32C08L75/06C09D133/12G02B6/26
Inventor 金度泳金永勋金泰志申东明黄伍显
Owner SAMSUNG SDI CO LTD