Display device and manufacturing method thereof
A display device, including a display panel including a display area and a non-display area, the non-display area surrounding the display area; a window facing the display panel and including a light-transmitting area and a light-blocking area, the light-transmitting area corresponding to the display area, and the light-blocking area corresponding to the non-display area; and a plurality of printed layers on the window in the light-blocking area, each printed layer including an isocyanate-blocking group having a different dissociation temperature from isocyanate-blocking groups included in other printed layers.
1. A display device, comprising:
a display panel including a display area and a non-display area, the non-display area surrounding the display area;
a window facing the display panel and including a light-transmitting area and a light-blocking area, the light-transmitting area corresponding to the display area, and the light-blocking area corresponding to the non-display area; and
a plurality of printed layers on the window in the light-blocking area,
each printed layer including an isocyanate-blocking group having a different dissociation temperature from isocyanate-blocking groups included in other printed layers.
2. The display device as claimed in claim 1 , wherein:
the plurality of printed layers includes first through n-th printed layers, where n is a natural number greater than 1, which are sequentially deposited, and
a dissociation temperature of the isocyanate-blocking group included in a k-th printed layer, where k is a natural number of from 1 to less than n, is lower than a dissociation temperature of the isocyanate-blocking group included in a (k+1)-th printed layer.
3. The display device as claimed in claim 2 , wherein:
the k-th printed layer includes diethylmalonate (DEM), and
the (k+1)-th printed layer includes one or more of 3,5-dimethylpyrazole (DMP), methylethylketoxime (MEKO), or ε-caprolactam (ε-CAP).
4. The display device as claimed in claim 2 , wherein:
the isocyanate-blocking group included in the first printed layer has the lowest dissociation temperature among all isocyanate-blocking groups included in the plurality of printed layers, and
the isocyanate-blocking group included in the n-th printed layer has the highest dissociation temperature among all isocyanate-blocking groups included in the plurality of printed layers.
5. The display device as claimed in claim 2 , wherein the dissociation temperature of the isocyanate-blocking groups increases from the first printed layer to the n-th printed layer.
6. The display device as claimed in claim 2 , wherein the n-th printed layer is a shielding printed layer and covers an entirety of the light-blocking area.
7. The display device as claimed in claim 1 , wherein the plurality of printed layers is on a first surface or a second surface of the window.
8. The display device as claimed in claim 1 , wherein each of the plurality of printed layers has a different color.
9. The display device as claimed in claim 1 , wherein the plurality of printed layers forms steps or indentations.
10. A method of forming a display device, the method comprising:
forming a display panel including a display area and a non-display area, the non-display area surrounding the display area;
forming a window facing the display panel and including a light-transmitting area and a light-blocking area, the light-transmitting area corresponding to the display area, and the light-blocking area corresponding to the non-display area; and
printing a plurality of printed layers on the window in the light-blocking area such that each printed layer includes an isocyanate-blocking group having a different dissociation temperature from isocyanate-blocking groups included in other printed layers.
11. The method as claimed in claim 10 , wherein:
the printing of the plurality of printed layers includes sequentially depositing first through n-th printed layers, where n is a natural number greater than 1, such that a dissociation temperature of the isocyanate-blocking group included in a k-th printed layer, where k is a natural number of from 1 to less than n, is lower than a dissociation temperature of the isocyanate-blocking group included in a (k+1)-th printed layer.
12. The method as claimed in claim 11 , wherein:
the k-th printed layer includes diethylmalonate (DEM), and
the (k+1)-th printed layer includes one or more of 3,5-dimethylpyrazole (DMP), methylethylketoxime (MEKO), or ε-caprolactam (ε-CAP).
13. The method as claimed in claim 11 , wherein:
the isocyanate-blocking group included in the first printed layer has the lowest dissociation temperature among all isocyanate-blocking groups included in the plurality of printed layers, and
the isocyanate-blocking group included in the n-th printed layer has the highest dissociation temperature among all isocyanate-blocking groups included in the plurality of printed layers.
14. The method as claimed in claim 11 , wherein the dissociation temperature of the isocyanate-blocking groups increases from the first printed layer to the n-th printed layer.
15. The method as claimed in claim 11 , wherein the n-th printed layer is a shielding printed layer and covers an entirety of the light-blocking area.
16. The method as claimed in claim 10 , wherein the plurality of printed layers is on a first surface or a second surface of the window.
17. The method as claimed in claim 10 , wherein each of the plurality of printed layers has a different color.
18. The method as claimed in claim 10 , wherein the plurality of printed layers forms steps or indentations.