Liquid crystal display device and method of manufacturing the same

A liquid crystal display device comprising:

• a substrate being transparent and having a pixel electrode and a driving element connected to the pixel electrode on a surface of said substrate;
• a plurality of resin films being stacked above said substrate, an uppermost resin film of said plurality of resin films having a common electrode on a surface thereof, and remaining ones of said plurality of resin films each having a pixel electrode on a surface thereof;
• a plurality of liquid crystal layers each being formed by arranging a plurality of supporting members each being columnar in each gap between said substrate and a lowermost resin film of said plurality of resin films and between adjacent ones of said plurality of resin films, and by sealing liquid crystal into said each gap;
• said substrate having more driving elements on the surface thereof, said more driving elements being electrically connected to a corresponding one of the pixel electrodes formed on the remaining ones of said plurality of resin films via cubic interconnection provided in relation to each of the pixel electrodes formed on the remaining ones of said plurality of resin films;
• a plurality of adhesive layers each being disposed between each of said plurality of supporting members and each of said plurality of resin films, said plurality of adhesive layers being made of a thermoplastic material and exerting thermoplastic characteristics so as to bond each of said plurality of resin films to each of said plurality of supporting members;
• and
• the supporting members between adjacent ones of said plurality of resin films being arranged substantially in same positions as the supporting members between said substrate and the lowermost resin film with respect to a plane parallel to said substrate.

A method for fabricating a liquid crystal display device comprising the steps of:

• arranging a plurality of supporting members each being columnar onto a substrate, said substrate being transparent and having a pixel electrode and a driving element connected with the pixel electrode thereon;
• forming an adhesive layer onto said plurality of supporting members;
• bonding a resin film to said plurality of supporting members by disposing said resin film onto said adhesive layer formed on said plurality of supporting members and applying heat to said resin film while maintaining a gap between said substrate and said resin film;
• forming a common electrode onto a surface of said resin film;
• and
• sealing liquid crystal into said gap between said substrate and said resin film.

A method for fabricating a liquid crystal display device comprising the steps of:

• arranging a plurality of first supporting members on a substrate, said substrate being transparent and having a pixel electrode and a driving element connected to the pixel electrode thereon;
• forming a first adhesive layer onto said plurality first of supporting members;
• bonding a first resin film to said plurality of first supporting members by disposing the first resin film onto the first adhesive layer formed on said plurality of first supporting members and applying heat to the first resin film while maintaining a gap between said substrate and the first resin film;
• forming a first opening portion in the first resin film;
• forming a first pixel electrode on the first resin film and electrically connecting the first pixel electrode to a corresponding driving element on said substrate via the first opening portion;
• stacking one other resin film or more resin films by first stacking a second resin film while maintaining a gap between the first resin film and the second resin film by arranging a plurality of second supporting members on the first resin film bonded to said plurality of first supporting members;
• forming a second adhesive layer onto said plurality of second supporting members;
• bonding the second resin film to said plurality of second supporting members;
• forming a second opening portion in the second resin film;
• and forming a second pixel electrode on the second resin film and electrically connecting the second pixel electrode to a corresponding driving element formed on said substrate via the second opening portion;
• forming a plurality of uppermost supporting members on a resin film last stacked in a previous stacking step and disposing an uppermost adhesive layer onto said plurality of uppermost supporting members so as to bond an uppermost resin film to said plurality of uppermost supporting members;
• forming a common electrode on a surface of the uppermost resin film;
• and
• sealing liquid crystal into said gap between said substrate and the first resin film and said gap between adjacent resin films.

A liquid crystal display device comprising:

• a substrate having a pixel electrode and a driving element connected to the pixel electrode on a surface of said substrate;
• a resin film being disposed above said substrate;
• a plurality of supporting members each being columnar and standing on said substrate so as to support said resin film;
• an adhesive layer being disposed between said resin film and said plurality of supporting members so as to bond said resin film to said plurality of supporting members, said adhesive layer being made of a thermoplastic material and exerting thermoplastic characteristics so as to bond said resin film to said plurality of supporting members;
• a liquid crystal layer being composed of liquid crystal and being disposed between said substrate and said resin film;
• a resin layer being formed on a surface of said resin film, said resin layer being transparent and having a multiplicity of fine convex and concave portions on a surface thereof;
• and
• a reflective film having a shape of a multiplicity of fine convex and concave portions and being formed correspondingly on said multiplicity of fine convex and concave portions on the surface of said resin layer, said reflective film also serving as a common electrode.

A liquid crystal display device comprising:

• a substrate having a pixel electrode and a driving element connected to the pixel electrode on a surface of said substrate;
• a plurality of resin films being stacked above said substrate, said plurality of resin films each having a pixel electrode on a surface thereof except an uppermost resin film of said plurality of resin films;
• a plurality of liquid crystal layers each being formed by arranging a plurality of supporting members each being columnar in each gap between said substrate and a lowermost resin film of said plurality of resin films and between adjacent ones of said plurality of resin films, and by sealing liquid crystal into said each gap;
• said substrate having more driving elements on the surface thereof, said more driving elements being electrically connected to a corresponding one of the pixel electrodes formed on said plurality of resin films except the uppermost resin film via cubic interconnection provided in relation to each of the pixel electrodes formed on said plurality of resin films except the uppermost resin film;
• a plurality of adhesive layers each being disposed between each of said plurality of supporting members and each of said plurality of resin films, said plurality of adhesive layers being made of a thermoplastic material and exerting thermoplastic characteristics so as to bond each of said plurality of resin films to each of said plurality of supporting members;
• the supporting members between adjacent ones of said plurality of resin films being arranged substantially in same positions as the supporting members between said substrate and the lowermost resin film with respect to a plane parallel to said substrate;
• a resin layer being formed on a surface of the uppermost resin film, said resin layer being transparent and having a multiplicity of fine convex and concave portions on a surface thereof;
• and
• a reflective film having a shape of a multiplicity of fine convex and concave portions and being formed correspondingly on said multiplicity of fine convex and concave portions on the surface of said resin layer, said reflective film also serving as a common electrode.

A method for fabricating a liquid crystal display device comprising the steps of:

• arranging a plurality of supporting members each being columnar onto a substrate, said substrate being transparent and having a pixel electrode and a driving element connected with the pixel electrode thereon;
• forming an adhesive layer onto said plurality of supporting members;
• bonding a resin film to said plurality of supporting members by disposing said resin film onto said adhesive layer formed on said plurality of supporting members and applying heat to said resin film while maintaining a gap between said substrate and said resin film;
• forming a resin layer whose surface has a multiplicity of fine convex and concave portions by applying a photo resist onto a surface of said resin film, subjecting the surface of said resin film to mask exposure, developing, and baking;
• forming a reflective film also serving as a common electrode onto the surface of said resin layer;
• and
• sealing liquid crystal into said gap between said substrate and said resin film.

A method for fabricating a liquid crystal display device comprising the steps of:

• arranging a plurality of first supporting members each being columnar on a substrate, said substrate being transparent and having a pixel electrode and a driving element connected to the pixel electrode thereon;
• forming a first adhesive layer onto said plurality of first supporting members;
• bonding a first resin film to said plurality of first supporting members by disposing the first resin film onto the first adhesive layer formed on said plurality of first supporting members and applying heat to the first resin film while maintaining a gap between said substrate and the first resin film;
• forming a first opening portion in the first resin film;
• forming a first pixel electrode on the first resin film and electrically connecting the first pixel electrode to a corresponding driving element on said substrate via the first opening portion;
• stacking one other resin film or more resin films by first stacking a second resin film while maintaining a gap between the first resin film and the second resin film by arranging a plurality of second supporting members on the first resin film bonded to said plurality of first supporting members;
• forming a second adhesive layer onto said plurality of second supporting members;
• bonding the second resin film to said plurality of second supporting members;
• forming a second opening portion in the second resin film;
• and forming a second pixel electrode on the second resin film and electrically connecting the second pixel electrode to a corresponding driving element formed on said substrate via the second opening portion;
• forming a plurality of uppermost supporting members on a resin film last stacked in a previous stacking step and disposing an uppermost adhesive layer onto said plurality of uppermost supporting members so as to bond an uppermost resin film to said plurality of uppermost supporting members;
• forming a resin layer whose surface has a multiplicity of fine convex and concave portions by applying a photo resist onto a surface of the uppermost resin film, subjecting the surface of the uppermost resin film to mask exposure, developing, and baking;
• forming a reflective film also serving as a common electrode onto the surface of said resin layer;
• and
• sealing liquid crystal into said gap between said substrate and the first resin film and said gap between adjacent resin films.