Patent ID: 9507234
Filing Date: 2016-11-29
CPC Classification: C03C,E06B,G02F

Claim Text:
1. A reflection-type light control element, wherein the reflection-type light control element comprises a light control layer configured to exhibit a reversible change between a transparent state and a reflection state in a reversible reaction with a hydrogen and a catalyst layer configured to accelerate the reversible reaction of the light control layer, and wherein the reflection-type light control element is such that the light control layer includes an alloy that contains at least one kind of element selected from the group consisting of group 2 elements and at least two kinds of elements selected from the group consisting of group 3 elements and rare earth elements or a hydride of the alloy, wherein the reflection-type light control element is such that the alloy is a magnesium-yttrium-scandium alloy represented by Mg