Display device with a curved portion for improved realiability
A display device includes a display region, a frame region, and a curved portion. The display device includes a resin layer, a plurality of inorganic insulating films, and a metal layer. A metal pattern formed with the metal layer is formed between an edge portion of the curved portion and the display region in the frame region along a curved shape of the edge portion of the curved portion and along at least a portion of corresponding two sides of the display device. The metal pattern is electrically disconnected from a wiring line of the display region, and a width of the metal pattern decreases toward both end portions.
1. A display device comprising:
a display region;
a frame region disposed in a periphery of the display region; and
a curved portion having a curved shape and provided at a corner portion at which two sides of the frame region intersect each other in an outer shape portion of the frame region,
wherein the display device further comprises a resin layer, a plurality of inorganic insulating films formed on the resin layer, and a metal layer formed on and being in contact with one inorganic insulating film of the plurality of inorganic insulating films,
a metal pattern formed with the metal layer is formed between an edge portion of the curved portion and the display region, in the frame region along a curved shape of the edge portion of the curved portion, and along at least a portion of two corresponding sides of the display device,
the metal pattern is electrically disconnected from a wiring line of the display region, and a width of the metal pattern decreases toward both end portions of the metal pattern,
a base coat film, a first inorganic insulating film, and a second inorganic insulating film provided in the plurality of inorganic insulating films are layered in that order on the resin layer,
a plurality of first display wiring lines, a plurality of second display wiring lines, and a plurality of third display wiring lines are formed in the display region,
the plurality of first display wiring lines is formed between the base coat film and the first inorganic insulating film,
the plurality of second display wiring lines is formed between the first inorganic insulating film and the second inorganic insulating film,
the plurality of third display wiring lines is formed between the second inorganic insulating film and a flattening film,
the metal pattern is formed with at least one of a plurality of metal layers, including the metal layer, that is formed in the same layer and with the same material as layers and materials of the plurality of first display wiring lines, the plurality of second display wiring lines, and the plurality of third display wiring lines
the plurality of second display wiring lines is initialization power source lines,
the metal pattern is formed in the same layer as the layer of the plurality of second display wiring lines, and
the metal pattern is formed with the same material as the material of the plurality of second display wiring lines.
2. The display device according to claim 1 ,
wherein each of the both end portions of the metal pattern is in a linear portion of a corresponding side of the two sides in the frame region.
3. The display device according to claim 1 ,
wherein the metal pattern is formed in the same layer as the layers of the plurality of first display wiring lines, the plurality of second display wiring lines, and the plurality of third display wiring lines.
4. The display device according to claim 1 ,
wherein, in the frame region, a projection is formed and surrounds the display region, and
the metal pattern is formed between the projection and the edge portion of the curved portion.
5. The display device according to claim 4 ,
wherein the projection includes a first projection surrounding the display region and a second projection surrounding the first projection, and
the metal pattern is formed between the second projection and the edge portion of the curved portion.
6. The display device according to claim 1 ,
wherein the resin layer is a polyimide resin layer.
7. A display device comprising:
a display region;
a frame region disposed in a periphery of the display region; and
a curved portion having a curved shape and provided at a corner portion at which two sides of the frame region intersect each other in an outer shape portion of the frame region,
wherein the display device further comprises a resin layer, a plurality of inorganic insulating films formed on the resin layer, and a metal layer formed on and being in contact with one inorganic insulating film of the plurality of inorganic insulating films,
a metal pattern formed with the metal layer is formed between an edge portion of the curved portion and the display region, in the frame region along a curved shape of the edge portion of the curved portion, and along at least a portion of two corresponding sides of the display device,
the metal pattern is electrically disconnected from a wiring line of the display region, and a width of the metal pattern decreases toward both end portions of the metal pattern,
a base coat film, a first inorganic insulating film, and a second inorganic insulating film provided in the plurality of inorganic insulating films are layered in that order on the resin layer,
a plurality of first display wiring lines, a plurality of second display wiring lines, and a plurality of third display wiring lines are formed in the display region,
the plurality of first display wiring lines is formed between the base coat film and the first inorganic insulating film,
the plurality of second display wiring lines is formed between the first inorganic insulating film and the second inorganic insulating film,
the plurality of third display wiring lines is formed between the second inorganic insulating film and a flattening film,
the metal pattern is formed with at least one of a plurality of metal layers, including the metal layer, that is formed in the same layer and with the same material as layers and materials of the plurality of first display wiring lines, the plurality of second display wiring lines, and the plurality of third display wiring lines,
the plurality of third display wiring lines is data signal lines,
the metal pattern is formed in the same layer as the layer of the plurality of third display wiring lines, and
the metal pattern is formed with the same material as the material of the plurality of third display wiring lines.
8. A display device comprising:
a display region;
a frame region disposed in a periphery of the display region; and
a curved portion having a curved shape and provided at a corner portion at which two sides of the frame region intersect each other in an outer shape portion of the frame region,
wherein the display device further comprises a resin layer, a plurality of inorganic insulating films formed on the resin layer, and a metal layer formed on and being in contact with one inorganic insulating film of the plurality of inorganic insulating films,
a metal pattern formed with the metal layer is formed between an edge portion of the curved portion and the display region, in the frame region along a curved shape of the edge portion of the curved portion, and along at least a portion of two corresponding sides of the display device,
the metal pattern is electrically disconnected from a wiring line of the display region, and a width of the metal pattern decreases toward both end portions of the metal pattern
a base coat film, a first inorganic insulating film, and a second inorganic insulating film provided in the plurality of inorganic insulating films are layered in that order on the resin layer,
a plurality of first display wiring lines, a plurality of second display wiring lines, and a plurality of third display wiring lines are formed in the display region,
the plurality of first display wiring lines is formed between the base coat film and the first inorganic insulating film,
the plurality of second display wiring lines is formed between the first inorganic insulating film and the second inorganic insulating film,
the plurality of third display wiring lines is formed between the second inorganic insulating film and a flattening film,
the metal pattern is formed with at least one of a plurality of metal layers, including the metal layer, that is formed in the same layer and with the same material as layers and materials of the plurality of first display wiring lines, the plurality of second display wiring lines, and the plurality of third display wiring lines,
a slit is formed in the second inorganic insulating film in an upper layer overlying the metal pattern,
the slit exposes the metal pattern, and
the metal pattern is in contact with the flattening film.
9. The display device according to claim 8 ,
wherein a slit is formed in each of the first inorganic insulating film and the second inorganic insulating film that are formed in an upper layer overlying the metal pattern, and the slit exposes the metal pattern.
10. The display device according to claim 9 ,
wherein the slit is provided in each of the first inorganic insulating film and the second inorganic insulating film that cover one of the both end portions of the metal pattern.
11. The display device according to claim 10 ,
wherein an end edge of the metal pattern overlaps the first inorganic insulating film.
12. The display device according to claim 8 ,
wherein the plurality of first display wiring lines is scanning signal lines,
the metal pattern is formed in the same layer as the layer of the plurality of first display wiring lines, and
the metal pattern is formed with the same material as the material of the plurality of first display wiring lines.
13. The display device according to claim 8 ,
wherein the plurality of second display wiring lines is initialization power source lines,
the metal pattern is formed in the same layer as the layer of the plurality of second display wiring lines, and
the metal pattern is formed with the same material as the material of the plurality of second display wiring lines.
14. The display device according to claim 8 ,
wherein the plurality of third display wiring lines is data signal lines,
the metal pattern is formed in the same layer as the layer of the plurality of third display wiring lines, and
the metal pattern is formed with the same material as the material of the plurality of third display wiring lines.