Patent ID: 7145615

Claim:
A display device comprising: a first substrate having a first region and a second region; a dielectric layer deposited on the first and the second regions, wherein the dielectric layer of the first region has a first pattern and the dielectric layer of the second region has a second pattern that is different from the first pattern, the first pattern including first bumpy portions and first dip portions and the second pattern including second bumpy portions and second dip portions, wherein the first bumpy portions have a height of about 0.3 to about 0.5 micron and the second bumpy portions have a height of about 0.8 micron to about 1.5 micron, wherein the height is a difference between a thinnest portion of the dielectric layer and the thickest portion of the dielectric layer in the first region; a second substrate coupled to the first substrate to form a space between the second substrate and the dielectric layer; and a liquid crystal layer positioned in the space.