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US 12,608,048 B2Granted
Display device
AssigneeSamsung Display Co., Ltd.
InventorsHirotsugu Kishimoto, Yongchan Jeon, Chul Ho Jeong
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Abstract
A display device includes a display panel having a foldable area, a first support member on a lower surface of the display panel, having a stretchable portion overlapping the foldable area, and including a magnesium alloy including magnesium (“Mg”) and an additive material, and a second support member on a lower surface of the first support member and including a first support plate and a second support plate spaced apart from each other. The content of the magnesium in the magnesium alloy is about 85 wt % to about 97 wt %.
Claims7
A display device comprising:
- a display panel having a foldable area;
- a first support member on a lower surface of the display panel, having a stretchable portion overlapping the foldable area, and comprising a magnesium alloy comprising magnesium and an additive material;
- and
- a second support member on a lower surface of the first support member and comprising a first support plate and a second support plate spaced apart from each other,
- wherein a content of the magnesium in the magnesium alloy is about 90 wt % to about 95 wt %,
- wherein the additive material comprises aluminum, zinc, and lithium,
- wherein a content of the aluminum in the magnesium alloy is about 0.1 wt % to about 10 wt %, a content of the zinc in the magnesium alloy is about 0.1 wt % to about 2 wt %, and a content of the lithium in the magnesium alloy is about 1 wt % to about 10 wt %,
- wherein a thickness of the first support member is about 0.1 mm to about 0.25 mm, and
- wherein the stretchable portion comprises a plurality of openings and a width of each of the plurality of openings is about 0.2 mm to about 0.45 mm.
6 more elements
Dependencies are inferred from the claim text.