29-07-2021 дата публикации
Номер: US20210231850A1
Принадлежит:
The present specification relates to a decorative member comprising a base and inorganic layers comprising a first light absorption layer, a light reflection layer, and a second light absorption layer sequentially provided on the base, in which ΔEindicated in Equation 1 is 1 or more, and a method of manufacturing the decorative member. 1. A decorative member comprising:a base; andinorganic layers comprising a first light absorption layer, a light reflection layer, and a second light absorption layer sequentially provided on the base,{'sub': '12', 'claim-text': {'br': None, 'i': E', 'L', '*−L', 'a', '*−a', 'b', '*−b, 'sub': 12', '1', '2', '1', '2', '1', '2, 'sup': 2', '2', '2, 'Δ=√{square root over ((*)+(*)+(*))}\u2003\u2003[Equation 1]'}, 'wherein ΔEindicated in the following Equation 1 is 1 or more, and'}{'sub': 1', '1', '1', '1', '1', '1', '2', '2', '2', '2', '2', '2, 'wherein in Equation 1, L*, a*, and b* are coordinate values of CIE lightness (L*) and chromaticity (a*, b*) of the first light absorption layer, and L*, a* and b* are coordinate values of CIE lightness (L*) and chromaticity (a*, b*) of the second light absorption layer.'}2. The decorative member of claim 1 , wherein (L*):(L*) is 1.1:1 to 5:1.3. The decorative member of claim 1 , wherein (a*)+(b*):(a*)+(b*)is 2:1 to 200:1.4. The decorative member of claim 1 , wherein CIE lightness (L*) of the first light absorption layer is 0 or more and 100 or less claim 1 , and (a*)+(b*)is 300 or more and 28 claim 1 ,000 or less.5. The decorative member of claim 1 , wherein CIE lightness (L*) of the second light absorption layer is 0 or more and 100 or less claim 1 , and (a*)+(b*)is 10 or more and 28 claim 1 ,000 or less.6. The decorative member of claim 1 , wherein each of the first light absorption layer and the second light absorption layer independently has a single-layered structure or a multilayer structure comprising one material or two or more materials selected from a group consisting of: indium (In) claim ...
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