- Patent Title: Double-sided adhesive sheet for image display device, double-sided adhesive sheet with release film for image display device, and image display device using same
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Application No.: US14440179Application Date: 2013-10-10
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Publication No.: US09650546B2Publication Date: 2017-05-16
- Inventor: Ryota Yamamoto , Makoto Inenaga , Kazunori Inoue , Mitsuru Kojima
- Applicant: MITSUBISHI PLASTICS, INC.
- Applicant Address: JP Chiyoda-ku
- Assignee: MITSUBISHI PLASTICS, INC.
- Current Assignee: MITSUBISHI PLASTICS, INC.
- Current Assignee Address: JP Chiyoda-ku
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2012-247552 20121109
- International Application: PCT/JP2013/077571 WO 20131010
- International Announcement: WO2014/073316 WO 20140515
- Main IPC: C09J7/02
- IPC: C09J7/02 ; B32B3/30 ; G02F1/1333 ; B32B7/12 ; C09J7/00 ; B32B7/04 ; B32B7/06 ; B32B27/08 ; B32B27/30 ; B32B27/32 ; B32B27/34 ; B32B27/36 ; B32B27/40 ; B32B3/04 ; B32B3/02

Abstract:
Provided is a novel double-sided adhesive sheet for image display device which can be bonded to the adhesion surface in close contact without space therebetween although there is a step due to printing or the like on the adhesion surface to be bonded to the adhesive sheet. The double-sided adhesive sheet for image display device 1 of the invention is a sheet to bond any two adherends selected from a surface protective panel 2, a touch panel 3, and an image display panel, and the sheet is characterized in that at least one of the adherends (surface protective panel 2) has a stepped portion 2b on an adhesion surface 2a to adhere to the double-sided adhesive sheet 1 and the surface shape of the bonding surface 1a of the double-sided adhesive sheet 1 to be bonded to the adhesion surface 2a is shaped in accordance with the surface shape of the adhesion surface 2a.
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