Adhesive layer-equipped transparent plate and display device

Abstract

The adhesive layer-equipped transparent plate 1 of the present invention comprises a transparent plate 2 having a first surface and a second surface, a light-shielding portion 3 provided on at least one of the periphery of the first surface 2a and the periphery of the second surface 2b of the transparent plate 2, a first adhesive layer 4 provided on the first surface 2a of the transparent plate 2, and a second adhesive layer 5 provided on the second surface 2b of the transparent plate 2, in a formation region with an area smaller than the formation region of the first adhesive layer 4.

1 : An adhesive layer-equipped transparent plate, which comprises a transparent plate having a first surface and a second surface,
 a light-shielding portion provided on at least one of the periphery of the first surface and the periphery of the second surface of the transparent plate,   a first adhesive layer provided on the first surface of the transparent plate, and   a second adhesive layer provided on the second surface of the transparent plate, in a formation region with an area smaller than a formation region of the first adhesive layer,   wherein when observed from a normal direction of the first surface, an edge of the second adhesive layer is located at an inner side of an edge of the first adhesive layer and planarly overlaps with the light-shielding portion.   
     
     
         2 : The adhesive layer-equipped transparent plate according to  claim 1 , wherein the first adhesive layer is provided on the entire first surface of the transparent plate. 
     
     
         3 . (canceled) 
     
     
         4 : The adhesive layer-equipped transparent plate according to  claim 1 , wherein each of the shear moduli of the first adhesive layer and the second adhesive layer is from 10 2  to 10 5  Pa. 
     
     
         5 : A display device, which comprises an adhesive layer-equipped transparent plate,
 a transparent support bonded to a first surface of the adhesive layer-equipped transparent plate, and   a display device main body bonded to a second surface of the adhesive layer-equipped transparent plate,   wherein the adhesive layer-equipped transparent plate comprises a transparent plate having a first surface and a second surface, a light-shielding portion provided on at least one of the periphery of the first surface and the periphery of the second surface of the transparent plate, a first adhesive layer provided on the first surface of the transparent plate, and a second adhesive layer provided on the second surface of the transparent plate, in a formation region with an area smaller than a formation region of the first adhesive layer,   the transparent support is bonded to the transparent plate via the first adhesive layer,   the display device main body is bonded to the transparent plate via the second adhesive layer, and   when observed from a normal direction of the first surface, an edge of the second adhesive layer is located at an inner side of an edge of the first adhesive layer and planarly overlaps with the light-shielding portion.   
     
     
         6 : The display device according to  claim 5 , wherein the interfacial adhesive forces between the first adhesive layer and the transparent support and between the first adhesive layer and the transparent plate are larger than the interfacial adhesive forces between the second adhesive layer and the display device main body and between the second adhesive layer and the transparent plate. 
     
     
         7 : The display device according to  claim 6 , wherein the interfacial adhesive force between the first adhesive layer and the transparent support is smaller than the interfacial adhesive force between the first adhesive layer and the transparent plate. 
     
     
         8 : The display device according to  claim 5 , which further has a support member supporting a part of the display device main body, fixed to a region other than the formation region of the second adhesive layer on the second surface of the transparent plate. 
     
     
         9 : The display device according to  claim 8 , wherein the light-shielding portion is provided on the first surface of the transparent plate, and the support member is fixed to the second surface of the transparent plate. 
     
     
         10 : The display device according to  claim 8 , wherein the light-shielding portion is provided on the second surface of the transparent plate, and the support member is fixed to the light-shielding portion. 
     
     
         11 : The adhesive layer-equipped transparent plate according to  claim 1 , wherein the transparent plate is a glass plate. 
     
     
         12 : The adhesive layer-equipped transparent plate according to  claim 1 , wherein the transparent plate has a thickness of more than 0.2 mm and at most 2.0 mm. 
     
     
         13 : The adhesive layer-equipped transparent plate according to  claim 1 , wherein each of the first adhesive layer and the second adhesive layer has a thickness of from 0.2 to 2.0 mm. 
     
     
         14 : The display device according to  claim 5 , wherein the transparent support is at least one member selected from the group consisting of a window glass, a glass wall and a glass partition. 
     
     
         15 : The display device according to  claim 5 , wherein the entirety of an image display region of the display device main body is bonded to the transparent plate via the second adhesive layer.