Display device

Abstract

To improve the reliability of a display device, a liquid crystal display device includes a substrate having a back surface, a substrate having a front surface opposing the back surface, a display functional layer arranged between the substrate and the substrate, and a sealing section SL that adhesively fixes the substrates around the display functional layer in a plan view. The sealing section SL includes a member PS extending along an outer edge of the display functional layer and sealing materials adjacently arranged on both sides of the member PS and continuously surrounding the periphery of the display functional layer in a plan view. The member PS includes a plurality of portions PS 1 having a height TK 1 and a plurality of portions PS 2 arranged among the plurality of portions PS 1 and having a height TK 2 smaller than the height TK 1.

What is claimed is: 
     
         1 . A liquid crystal display device comprising a first substrate, a second substrate opposing the first substrate, a liquid crystal layer arranged between the first substrate and the second substrate, and a sealing portion that adhesively fixes the first substrate and the second substrate around the liquid crystal layer, wherein the sealing portion includes:
 a sealing material continuously surrounding a periphery of the liquid crystal layer in a plan view,   a spacer portion arranged in the sealing material on the first substrate and extending along an outer edge of the first substrate or the second substrate in a plan view;   the second substrate has a second orientation film formed between an insulation film and the liquid crystal layer, and   the insulation film has a groove portion along the liquid crystal layer side of the sealing portion.   
     
     
         2 . The liquid crystal display device according to  claim 1 , wherein a color filter and a resin layer covering the color filter are formed on the first substrate,
 the first substrate has a first orientation film formed between the resin layer and the liquid crystal layer, and   a part of the sealing material overlaps a peripheral edge of the first orientation film in a thickness direction, on the side of the liquid crystal layer of the spacer portion.   
     
     
         3 . The liquid crystal display device according to  claim 2 , wherein the spacer portion is formed on the resin layer. 
     
     
         4 . The liquid crystal display device according to  claim 1 ,
 wherein the spacer portion has a first spacer member and a second spacer member,   the first spacer member and the second spacer member are formed in a wall shape along the extending direction of the sealing portion,   the first spacer member and the second spacer member are alternately arranged.   
     
     
         5 . The liquid crystal display device according to  claim 4 ,
 wherein a length of the first spacer member is shorter than a length of the second spacer member in a plan view,   a height of the first spacer member is higher than a height of the second spacer member in a cross-sectional view.   
     
     
         6 . The liquid crystal display device according to  claim 4 ,
 wherein the first spacer member contacts the second substrate, and the second spacer member does not contact the second substrate.   
     
     
         7 . The liquid crystal display device according to  claim 4 ,
 wherein a value obtained by dividing the length of the first spacer member by a sum of the length of the first spacer member and the length of the second spacer member is not less than 5% and not more than 30%.   
     
     
         8 . The liquid crystal display device according to  claim 1 ,
 wherein the spacer portion is formed to continuously surround a periphery of a display section where the liquid crystal layer is formed in a plan view.   
     
     
         9 . The liquid crystal display device according to  claim 4 ,
 wherein a plurality of spacers are formed between the first substrate and the second substrate in a display region where the liquid crystal layer is formed, and   the plurality of spacers has a third spacer having the same height as the first spacer member and a fourth spacer having the same height as the second spacer member.   
     
     
         10 . The liquid crystal display device according to  claim 1 ,
 wherein the sealing material does not include a glass fiber.