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Decorative member and method of making the same

A technology for decorative components and decorative layers, which can be used in decorations, decorative arts, other household appliances, etc., and can solve problems such as color differences and implementation difficulties.

Active Publication Date: 2021-07-16
LG CHEM LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when expressing different colors on a single plane, printing should be done at least twice, and when applying various colors to a three-dimensional pattern, implementation is actually difficult
In addition, conventional decorative films have a fixed color even under different viewing angles
Although there is a slight change, the change is also limited to a difference in color perception

Method used

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  • Decorative member and method of making the same
  • Decorative member and method of making the same
  • Decorative member and method of making the same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1 to 4、 comparative example 1 to 3

[0348] For film #1 to film #7, depending on the central viewing angle under the conditions of θv = 90° and Dv = 500mm The depth parameter value δ of Equation 1 1m shown in Table 2 and Figure 8 middle. A PET film was used as the substrate, film #1 is a flat film made of aluminum comprising a mirror thermally deposited as a decorative layer, film #2 is a film comprising aluminum oxide deposited on an unpatterned plane, film #3 is A non-prism patterned film comprising a colloidal absorbing layer, more specifically, a colloidal absorbing layer patterned film having a rectangular cross-section with a pitch of 200 μm, a filling factor of 25%, and a height of 50 μm, wherein the filling factor is defined as the filled colloidal absorbing Ratio of layers relative to a total pitch of 200 μm, film #4 is an asymmetric prism film made of alumina and has a pitch of 77.8 μm, a height of 25 μm, and a base angle of 20° / 70°, film #5 is made of oxide An asymmetric prism film made of aluminu...

Embodiment 5

[0362] Asymmetric prism films were tested in the same manner as the asymmetric prism film of Film #4 (Example 2), except that the pitch was changed to 0.1 mm. The angular brightness at the center of the trim member is shown in Figure 27 middle. In addition, the angular luminance at a point 2.5 mm from the center of the decorative member is shown in Figure 28 middle. From Figure 27 and Figure 28 It can be seen that when the pitch of the pattern of the decorative member is less than 1 mm, the angular brightness at the center of the decorative member is the same as that at a point 2.5 mm from the center of the decorative member.

example 6

[0364] Asymmetric prism films were tested in the same manner as the asymmetric prism film of Film #4 (Example 2), except that the pitch was changed to 10 mm. The angular brightness at the center of the trim member is shown in Figure 29 middle. In addition, the angular luminance at a point 2.5 mm from the center of the decorative member is shown in Figure 30 middle. From Figure 29 and Figure 30 It can be seen that when the pitch of the pattern of the decorative member is greater than 1 mm, the angular brightness at the center of the decorative member is the same as that at a point 2.5 mm from the center of the decorative member.

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Abstract

The present application relates to a decorative component, including a substrate and a decorative layer disposed on the substrate, wherein the depth parameter value δ represented by formula 1 1m is 0.15 or more.

Description

technical field [0001] This specification claims priority and benefit from Korean Patent Application No. 10-2018-0002278 filed with the Korean Intellectual Property Office on January 8, 2018, the entire contents of which are incorporated herein by reference. [0002] This specification relates to a decorative component and a manufacturing method thereof. More particularly, the present specification relates to a decorative member suitable for mobile devices and electronic devices and a manufacturing method thereof. Background technique [0003] For cellular phones, various mobile devices and home appliances, besides product functions, product design such as color, shape and pattern also play a key role in providing product value to customers. Product design also affects product preference and price. [0004] For example, in the case of mobile phones, various colors and color senses are realized on products through various methods. This method includes applying color to a c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B33/00B32B3/00
CPCB44F1/045B44F1/08B44F7/00B32B3/00B32B33/00B32B2307/40B32B2451/00B44F1/02
Inventor 宋真淑韩尚澈金容赞许南瑟雅孙政佑曹弼盛
Owner LG CHEM LTD
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