Optoelectronic element

Abstract

Provided is an optoelectronic element including a first substrate, a first electrode on the first substrate, a first lens pattern disposed on the first electrode and including a liquid crystal and a black dye molecule, a second lens pattern disposed on the first lens pattern, and a second electrode on the second lens pattern, wherein the black dye molecule includes about 1 to 4 azo groups and about 2 to 5 aromatic cyclic compounds.

What is claimed is: 
     
         1 . An optoelectronic element comprising:
 a first substrate;   a first electrode on the first substrate;   a first lens pattern disposed on the first electrode and including a liquid crystal and a black dye molecule;   a second lens pattern disposed on the first lens pattern; and   a second electrode on the second lens pattern, wherein the black dye molecule includes about 1 to 4 azo groups and about 2 to 5 aromatic cyclic compounds.   
     
     
         2 . The optoelectronic element of  claim 1 , wherein the black dye content is about 0.05 to 10 wt % of the liquid crystal content. 
     
     
         3 . The optoelectronic element of  claim 1 , further comprising:
 a first alignment film interposed between the first electrode and the first lens pattern; and   a second alignment film interposed between the first lens pattern and the second lens pattern.   
     
     
         4 . The optoelectronic element of  claim 1 , wherein the second electrode is interposed between the first lens pattern and the second lens pattern. 
     
     
         5 . The optoelectronic element of  claim 1 , wherein the second lens pattern includes an insulating polymer and an electrical conductor, the electrical conductor including one of a carbon nanotube (CNT), a silver nanowire, a graphene, and/or a conductive polymer. 
     
     
         6 . The optoelectronic element of  claim 5 , wherein a content of the electrical conductor range from about 0.01 to 10 wt % of a content of the second lens pattern. 
     
     
         7 . The optoelectronic element of  claim 1 , further comprising:
 an element part disposed on the first electrode and including a plurality of pixels; and   color filters arranged, on the second lens pattern, in positions respectively corresponding to each of the pixels.   
     
     
         8 . The optoelectronic element of  claim 1 , further comprising:
 an element part including a plurality of pixels; and   color filters disposed between the element part and the first substrate.   
     
     
         9 . An optoelectronic element comprising:
 a first substrate;   a first electrode on the first substrate;   a first alignment film disposed on the first electrode and including a first dye;   a first lens pattern disposed on the first alignment film and including a liquid crystal; and   a second alignment film disposed on the first lens pattern and including a second dye, wherein the first dye is aligned in a first direction and the second dye is aligned in second direction, the second direction intersecting with the first direction.   
     
     
         10 . The optoelectronic element of  claim 9 , wherein the first dye exhibits a black color and includes about 1 to 4 azo groups and about 2 to 5 aromatic groups. 
     
     
         11 . The optoelectronic element of  claim 10 , wherein the second dye exhibits a black color and includes about 1 to 4 azo groups and about 2 to 5 aromatic groups. 
     
     
         12 . The optoelectronic element of  claim 9 , wherein:
 the first dye include a red dye, a green dye, and a blue dye; and   the first alignment film exhibits a black color.   
     
     
         13 . An optoelectronic element comprising:
 a first substrate;   a first electrode on the first substrate;   a first alignment film on the first electrode;   a first lens pattern disposed on the first alignment film and including a first dye, a second dye, and a third dye;   a second alignment film on the first lens pattern;   a second lens pattern disposed on the first lens pattern; and   a second electrode on the second lens pattern, wherein the first dye, the second dye, and the third dye reflect light of different wavelengths from each other.   
     
     
         14 . The optoelectronic element of  claim 13 , wherein:
 the first dye includes a red dye;   the second dye includes a green dye; and   the third dye includes a blue dye.