Display panel and method of manufacturing the same

Abstract

A display apparatus includes an array substrate an opposite substrate facing the array substrate, and a liquid crystal layer disposed between the array substrate and the opposite substrate. The array substrate includes a display area, a non-display area, including first and second non-display areas, a pad area, the first non-display area adjacent to the pad area, a first base substrate disposed in the display area and in the non-display area, an organic polymer layer disposed in the pad area and in the first non-display area, a thin film transistor disposed in the display area, a pixel electrode connected to the thin film transistor, and a signal input pad connected to the thin film transistor and disposed on the organic polymer layer in the pad area. The organic polymer layer is disposed on the first base substrate in the first non-display area.

What is claimed is: 
     
       1. A display panel comprising:
 an array substrate comprising:
 a display area, a non-display area surrounding the display area, and a pad area extended from a side of the non-display area, 
 the non-display area comprising a first non-display area adjacent to the pad area, and a second non-display area except for the first non-display area; 
 a first base substrate in the including a display area and in the a non-display area, disposed non-overlapping with the pad area which is adjacent to the display area; 
 an organic polymer layer including:  
 ina first portion disposed on the display area, in the pad area and in the first non-display area; 
 a thin film transistor in the display area; and the non-display area, and 
 a second portion which is bent from the first portion to face a side of the first base substrate and is extended further than the first base substrate to be non-overlapping with the first base substrate;  
 a pixel electrode connected to the thin film transistor disposed on the organic polymer layer on the display area; and 
 a signal input pad connected to the thin film transistor and on the organic polymer layer in the pad area, on the second portion of the organic polymer layer; and 
 a signal line which connects the signal input pad with the pixel,  
 wherein 
 the first portion of the organic polymer layer inon the display area is between the thin film transistorsignal line and the first base substrate, and 
 the organic polymer layer in the first non-display area is between the signal input pad and the first base substrate, 
 the second portion of the organic polymer layer in the first non-display area extending further than the first base substrate to be disposed in the padprovides a pad area nonoverlappingnon-overlapping with an upper surface of the first base substrate, and  
 
 an opposite substrate facing the array substrate, the opposite substrate comprising a second base substrate, and a common electrode on the second base substrate; and 
 a liquid crystal layer between the array substrate and the opposite substrate the signal input pad is disposed on the pad area. 
 
     
     
       2. The display panel of  claim 1 , wherein the organic polymer layer extends from the first non-display area to the display area of the first base substrate first base substrate includes a film substrate having the organic polymer layer or a plastic substrate. 
     
     
       3. The display panel of  claim 1 , wherein the array substrate further comprises an insulating layer between on the organic polymer layer and the thin film transistor. 
     
     
       4. The display panel of  claim 3 , wherein the insulating layer comprises at least one of silicon nitride or silicon oxide. 
     
     
       5. The display panel of  claim 1 , wherein
 the array substrate further comprises an insulating layer which overlaps the organic polymer layer and the first base substrate, and 
 the thin film transistor is on the insulating layer further comprising an opposite substrate facing the array substrate. 
 
     
     
       6. The display panel of claim  1  5, wherein a trench is defined in the first base substrate, the trench in the non-display area and adjacent to the pad area further comprising a seal pattern disposed between the array substrate and the opposite substrate,
 wherein the seal pattern is overlapped with the non-display area. 
 
     
     
       7. The display panel of claim  6  5, wherein the organic polymer layer is in the trench defined in the first base substrate and extends further than the first base substrate to be disposed in the pad area non-overlapping with the first base substrate opposite substrate comprises a flexible substrate. 
     
     
       8. The display panel of claim  7  1, wherein
 the array substrate further comprises an insulating layer which overlaps the organic polymer layer and the first base substrate, and 
 the thin film transistor is on the insulating layer further comprising a flexible printed circuit board connected to the signal input pad. 
 
     
     
       9. The display panel of  claim 1 , wherein the organic polymer layer has a thickness of about 3 micrometers to about 50 micrometers. 
     
     
       10. The display panel of claim  9  1, wherein the organic polymer layer comprises at least one of polyethyleneterephthalate, polyethylenenaphthalate, polycarbonate, polyetherimide, polyethersulfone, polyetheretherketone or polyimide. 
     
     
       11. The display panel of  claim 1 , wherein the organic polymer layer comprises colored material which prevents leaking of light traveling to the display area. 
     
     
       12. The display panel of claim 1, wherein the signal line includes a data line or a gate line.  
     
     
       13. The display panel of claim 1, wherein a portion of the signal line is bent and the portion of the signal line is overlapped with the second portion of the organic polymer layer.  
     
     
       14. The display panel of claim 1, wherein the second portion of the organic polymer layer is spaced apart from the upper surface of the first base substrate.  
     
     
       15. A display panel comprising:
 an array substrate comprising:
 a first base substrate including a display area and a non-display area which is adjacent to the display area; 
 an organic polymer layer including a first portion that is disposed on the non-display area and a second portion that is not disposed on an upper surface of the first base substrate; 
 a pixel in the display area; 
 a signal input pad on the second portion of the organic polymer layer; and 
 a signal line which connects the signal input pad with the pixel.  
   
     
     
       16. The display panel of claim 15, wherein the first base substrate includes a film substrate having the organic polymer layer or a plastic substrate.  
     
     
       17. The display panel of claim 15, wherein the array substrate further comprises an insulating layer that covers the first portion of the organic polymer layer and a portion of the first base substrate exposed from the organic polymer layer.  
     
     
       18. The display panel of claim 17, wherein the insulating layer comprises at least one of silicon nitride or silicon oxide.  
     
     
       19. The display panel of claim 15, further comprising an opposite substrate facing the array substrate.  
     
     
       20. The display panel of claim 19, further comprising a seal pattern disposed between the array substrate and the opposite substrate,
 wherein the seal pattern is overlapped with the non-display area.    
     
     
       21. The display panel of claim 19, wherein the opposite substrate comprises a flexible substrate.  
     
     
       22. The display panel of claim 15, further comprising a flexible printed circuit board connected to the signal input pad.  
     
     
       23. The display panel of claim 15, wherein the organic polymer layer has a thickness of about 3 micrometers to about 50 micrometers.  
     
     
       24. The display panel of claim 15, wherein the organic polymer layer comprises at least one of polyethyleneterephthalate, polyethylenenaphthalate, polycarbonate, polyetherimide, polyethersulfone, polyetheretherketone or polyimide.  
     
     
       25. The display panel of claim 15, wherein the organic polymer layer comprises colored material which prevents leaking of light traveling to the display area.  
     
     
       26. The display panel of claim 15, wherein the second portion is bent from the first portion of the organic polymer layer.  
     
     
       27. The display panel of claim 15, wherein the first portion is further disposed on the display area.  
     
     
       28. The display panel of claim 15, wherein the first portion is not disposed on the display area.  
     
     
       29. The display panel of claim 28, wherein a trench is defined in the non-display area, and
 the first portion is disposed in the trench.