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Electronic device

專利號
US12219696B2
公開日期
2025-02-04
申請人
Samsung Display Co., Ltd.(KR Gyeonggi-do)
發(fā)明人
Sungjune Park
IPC分類
H05K1/02; G02F1/1333; H05K1/11
技術(shù)領(lǐng)域
layer,film,adhesive,may,anti,static,μm,be,401f,about
地域: Yongin-si

摘要

A display device includes a display panel, a protection film which faces the display panel and includes a first surface closest to the display panel and a second surface which is opposed to the first surface, a first anti-static layer which defines the first surface of the protection film, a second anti-static layer which faces the first anti-static layer and defines the second surface of the protection film, and a polyimide film between the first anti-static layer and the second anti-static layer, and an adhesive layer which forms an interface with the first surface of the protection film and attaches the protection film to the display panel.

說明書

In an embodiment, the adhesive layer may have a thickness of about 10 μm or more and about 25 μm or less.

In an embodiment, the polyimide film may have a yield point at a strain of about 1.5% or more.

In an embodiment, at least one of the polyimide film and the adhesive layer may further include an anti-static agent.

In an embodiment, the polyimide film may have a haze of about 5% or less.

In an embodiment, an electronic device includes a display panel, a protection film which faces the display panel, and an adhesive layer which attaches the display panel to the protection film. The protection film includes a first anti-static layer directly attached to the adhesive layer and including a first binder including urethane and a first anti-static material, and a base film facing the adhesive layer with the first anti-static layer therebetween and including BPDA.

In an embodiment, the base film may further include a filler having a size of about 0.5 μm or more and about 2 μm or less.

In an embodiment, the protection film may further include a second anti-static layer spaced apart from the first anti-static layer with the base film therebetween, and the second anti-static layer may include a urethane-based binder and an anti-static agent.

In an embodiment, a first surface of the first anti-static layer which is directly attached to the adhesive layer, may have a polar surface energy of about 12 mN/m or more.

In an embodiment, a first surface of the first anti-static layer which is directly attached to the adhesive layer, may have a surface resistance of about 106Ω/□ or less.

權(quán)利要求

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