Display device

Abstract

A display device is provided. The display device includes a plurality of pixels. One of the pixels includes a color conversion layer. The pixel also includes a dielectric layer disposed on the color conversion layer. The refractive index of the dielectric layer is less than the refractive index of the color conversion layer.

What is claimed is: 
     
         1 . A display device, comprising:
 a plurality of pixels, wherein one of the plurality of pixels comprises:
 a color conversion layer; and 
 a dielectric layer disposed on the color conversion layer, wherein a refractive index of the dielectric layer is less than a refractive index of the color conversion layer. 
   
     
     
         2 . The display device as claimed in  claim 1 , wherein the one of the plurality of pixels further comprises a light filter layer disposed on the dielectric layer. 
     
     
         3 . The display device as claimed in  claim 2 , wherein the light filter layer is a yellow light filter layer, and the color conversion layer is a red color conversion layer. 
     
     
         4 . The display device as claimed in  claim 2 , wherein the light filter layer is a yellow light filter layer, and the color conversion layer is a green color conversion layer. 
     
     
         5 . The display device as claimed in  claim 1 , wherein a difference between the refractive index of the dielectric layer and the refractive index of the color conversion layer is greater than or equivalent to 0, and less than or equivalent to 0.5. 
     
     
         6 . The display device as claimed in  claim 1 , further comprising:
 a light shielding layer defining a plurality of openings, wherein one of the plurality of pixels is disposed in one of the plurality of openings.   
     
     
         7 . The display device as claimed in  claim 6 , further comprising:
 a light reflection layer, wherein the light reflection layer overlaps the light shielding layer.   
     
     
         8 . The display device as claimed in  claim 6 , wherein a contact angle between the light shielding layer and water is within a range of 90° to 150°. 
     
     
         9 . The display device as claimed in  claim 6 , wherein the shielding layer contains fluorine elements or function groups with fluorine. 
     
     
         10 . The display device as claimed in  claim 1 , wherein an area of the dielectric layer projecting onto a substrate of the display device is greater than an area of the color conversion layer projecting onto the substrate of the display device along a normal direction of the substrate. 
     
     
         11 . A display device, comprising:
 a plurality of pixels, wherein one of the plurality of pixels comprises:
 a first color conversion layer; and 
 a first light filter layer disposed on the first color conversion layer, wherein the first light filter layer is a first yellow light filter layer, and the first color conversion layer is a red color conversion layer. 
   
     
     
         12 . The display device as claimed in  claim 11 , wherein another pixel of the plurality of pixels comprises:
 a second color conversion layer; and   a second light filter layer disposed on the second color conversion layer, wherein the second light filter layer is a second yellow light filter layer, and the second color conversion layer is a green color conversion layer.   
     
     
         13 . The display device as claimed in  claim 11 , further comprising:
 a dielectric layer disposed between the first light filter layer and the first color conversion layer, wherein a refractive index of the dielectric layer is less than a refractive index of the first light filter layer or a refractive index of the first color conversion layer.   
     
     
         14 . The display device as claimed in  claim 13 , wherein a difference between the refractive index of the dielectric layer and the refractive index of the first color conversion layer is greater than or equivalent to 0, and less than or equivalent to 0.5. 
     
     
         15 . The display device as claimed in  claim 13 , wherein a difference between the refractive index of the dielectric layer and the refractive index of the first light filter layer is greater than or equivalent to 0, and less than or equivalent to 0.5. 
     
     
         16 . The display device as claimed in  claim 11 , further comprising:
 a light shielding layer defining a plurality of openings, wherein one of the plurality of pixels is disposed in one of the plurality of openings.   
     
     
         17 . The display device as claimed in  claim 16 , wherein a contact angle between the light shielding layer and water is within a range of 90° to 150°. 
     
     
         18 . A display device, comprising:
 a plurality of pixels, wherein one of the plurality of pixels comprises:
 a first color conversion layer; and 
 a first light filter layer disposed on the first color conversion layer, wherein the first light filter layer is a first yellow light filter layer, and the first color conversion layer is a green color conversion layer. 
   
     
     
         19 . The display device as claimed in  claim 18 , further comprising:
 a dielectric layer disposed between the first light filter layer and the first color conversion layer, wherein a refractive index of the dielectric layer is less than a refractive index of the first light filter layer or a refractive index of the first color conversion layer.   
     
     
         20 . The display device as claimed in  claim 19 , wherein a difference between the refractive index of the dielectric layer and the refractive index of the first color conversion layer is greater than or equivalent to 0, and less than or equivalent to 0.5.