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US 10,519,710 B2Granted
Glass panel unit
AssigneePanasonic Intellectual Property Management Co., Ltd.
InventorsHiroyuki Abe, Eiichi Uriu, Tasuku Ishibashi
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Abstract
The glass panel unit includes a first glass panel, a second glass panel, a seal, an evacuated space, and a spacer. The second glass panel is placed opposite the first glass panel. The seal with a frame shape hermetically bonds the first glass panel and the second glass panel to each other. The evacuated space is enclosed by the first glass panel, the second glass panel 30, and the seal. The spacer is placed between the first glass panel and the second glass panel. The spacer contains polyimide having benzoxazole structures.
Claims7
A glass panel unit comprising:
- a first glass panel;
- a second glass panel placed opposite the first glass panel;
- a seal with a frame shape hermetically bonding the first glass panel and the second glass panel to each other;
- an evacuated space enclosed by the first glass panel, the second glass panel, and the seal;
- and
- at least one spacer placed between the first glass panel and the second glass panel,
- the at least one spacer containing a polymer having a viscoelastic coefficient at 400° C. larger than 500 MPa,
- the polymer containing polyimide having benzoxazole structures.
5 more elements
Dependencies are inferred from the claim text.