Display panel and electronic apparatus including the same

Abstract

A display panel includes an insulating substrate in which at least one hole is defined, wherein the insulating substrate comprises a hole area in which the hole is defined, a display area surrounding the hole area, and a peripheral area adjacent to the display area, a plurality of pixels in the display area, a plurality of main signal lines in the display area and electrically connected to the pixels, and a plurality of sub-signal lines in the hole area and electrically connected to the pixels, wherein the hole area comprises a line area which surrounds the hole and in which the sub-signal lines are located, and a compensation area between the line area and the display area in a plan view and configured to display a black color.

What is claimed is: 
     
         1 . A display panel comprising:
 an insulating substrate, wherein the insulating substrate comprises:
 a hole area in which at least one hole is defined through the insulating substrate in a thickness direction of the insulating substrate and comprising a compensation area; 
 a display area surrounding the hole area; and 
 a peripheral area adjacent to the display area; 
   a plurality of pixels in the display area;   a plurality of signal lines in the hole area and electrically connected to the plurality of pixels and surrounding at least a portion of the at least one hole; and   at least one compensation pixel in the compensation area, wherein the compensation area is to be shown as a black color by the at least one compensation pixel,   wherein each of the plurality of pixels comprises: a thin film transistor; and a light emitting element connected to the thin film transistor,   wherein the light emitting element comprises: a first electrode; a second electrode; and an emission layer between the first and second electrodes, and   wherein the at least one compensation pixel has a structure obtained by omitting at least one of the thin film transistor or components of the light emitting element from at least one of the plurality of pixels.   
     
     
         2 . The display panel of  claim 1 , wherein the at least one compensation pixel has a structure obtained by omitting the first electrode of the light emitting element from the at least one of the plurality of pixels, and the at least one compensation pixel comprises an emission layer. 
     
     
         3 . The display panel of  claim 2 , wherein the emission layer of the at least one compensation pixel does not overlap the first electrode of each of the plurality of pixels. 
     
     
         4 . The display panel of  claim 2 , wherein the emission layer of the at least one compensation pixel is space from the thin film transistor with an insulating layer interposed therebetween. 
     
     
         5 . The display panel of  claim 1 , wherein the at least one compensation pixel has a structure obtained by omitting the emission layer of the light emitting element from the at least one of the plurality of pixels and the at least one compensation pixel comprises a first electrode and a second electrode. 
     
     
         6 . The display panel of  claim 5 , wherein the first electrode of the at least one compensation pixel contacts the second electrode of the at least one compensation pixel. 
     
     
         7 . The display panel of  claim 5 , wherein the first electrode of the at least one compensation pixel is space from the second electrode of the at least one compensation pixel with an insulating layer interposed therebetween. 
     
     
         8 . The display panel of  claim 1 , wherein the at least one compensation pixel has a structure obtained by omitting the thin film transistor from the at least one of the plurality of pixels and the at least one compensation pixel comprises a first electrode being a floating electrode. 
     
     
         9 . The display panel of  claim 1 , wherein the at least one compensation pixel has a structure obtained by omitting the first electrode and the emission layer from the at least one of the plurality of pixels, and the at least one compensation pixel comprises a thin film transistor and a second electrode overlapping with the thin film transistor of the at least one compensation pixel. 
     
     
         10 . A display panel comprising:
 an insulating substrate, wherein the insulating substrate comprises:
 a hole area in which at least one hole is defined through the insulating substrate in a thickness direction of the insulating substrate and comprising a compensation area; 
 a display area surrounding the hole area; and 
 a peripheral area adjacent to the display area; 
   a plurality of pixels in the display area;   a plurality of signal lines in the hole area and electrically connected to the plurality of pixels and surrounding at least a portion of the at least one hole; and   a compensation element in the compensation area, wherein the compensation area is to be shown as a black color by the compensation element.   
     
     
         11 . The display panel of  claim 10 , wherein the compensation element comprises an optically opaque metal pattern in the compensation area and spaced from the plurality of pixels in a plan view. 
     
     
         12 . The display panel of  claim 11 , wherein the metal pattern is a floating electrode. 
     
     
         13 . The display panel of  claim 11 , wherein the metal pattern and the signal lines are at a same layer. 
     
     
         14 . The display panel of  claim 11 , wherein the metal pattern is at a layer that is different from a layer at which the signal lines are located. 
     
     
         15 . The display panel of  claim 14 , wherein the metal pattern overlaps with the signal lines when viewed in a plan view. 
     
     
         16 . The display panel of  claim 10 , wherein the compensation element comprises at least one compensation pixel in the compensation area. 
     
     
         17 . The display panel of  claim 16 , wherein each of the pixels comprises: a thin film transistor; and a light emitting element connected to the thin film transistor, and
 wherein the at least one compensation pixel has a structure obtained by omitting at least one of the thin film transistor or components of the light emitting element from at least one of the plurality of pixels.   
     
     
         18 . The display panel of  claim 16 , wherein the at least one compensation pixel comprises: a first electrode; an emission layer; and a second electrode; and
 wherein the emission layer of the at least one compensation pixel overlaps with the second electrode and does not overlap with the first electrode.   
     
     
         19 . The display panel of  claim 16 , the at least one compensation pixel has a same structure as at least one of the plurality of pixels, and is configured to generate light of a black color. 
     
     
         20 . The display panel of  claim 10 , wherein the signal lines have curved line shapes extending along an edge of the at least the portion of the at least one hole.