Curved display device including alignment layer and method of manufacturing the same

A curved display device comprising:

• a curved first substrate;
• a curved second substrate facing the first substrate;
• and
• a liquid crystal layer provided between the first substrate and the second substrate, wherein the liquid crystal layer comprises liquid crystal molecules,
• wherein the first substrate comprises a first base substrate and a first alignment layer provided between the first base substrate and the liquid crystal layer, wherein the first alignment layer comprises reactive mesogens polymerized to each other;
• wherein the second substrate comprises a second base substrate and a second alignment layer provided between the second base substrate and the liquid crystal layer;
• wherein first liquid crystal molecules disposed in the vicinity of the first alignment layer have a first pretilt angle and second liquid crystal molecules disposed in the vicinity of the second alignment layer have a second pretilt angle different from the first pretilt angle,
• wherein an average value of the first pretilt angle is less than an average value of the second pretilt angle, and
• wherein an amount of reactive mesogen in the second alignment layer is less than an amount of the reactive mesogen in the first alignment layer.

A curved display device comprising:

• a curved first base substrate;
• a first alignment layer comprising a first base layer disposed on the curved first base substrate and a plurality of first protrusions disposed on the first base layer;
• a curved second base substrate facing the first substrate;
• and
• a second alignment layer comprising a second base layer disposed on the second base substrate and a plurality of second protrusions disposed on the second base layer,
• wherein the first protrusions comprise first large-size protrusions each having a particle size equal to or greater than about 30 nm and equal to or less than about 1000 nm in diameter, and wherein the second protrusions comprise second large-size protrusions each having a particle size equal to or greater than about 30 nm and equal to or less than about 1000 nm in diameter,
• wherein the first base layer comprises a first overlap area overlapping the first large-size protrusions, and a first non-overlap area not overlapping the first large-size protrusions,
• wherein the second base layer comprises a second overlap area overlapping the second large-size protrusions, and a second non-overlap area not overlapping the second large-size protrusions,
• wherein the first large-size protrusions and the second large-size protrusions comprise reactive mesogens polymerized to each other, and
• wherein the first and second overlap areas satisfy Equation 1
• 0<area of the second overlap area/area of the first overlap area≤4/5 Equation 1.

A curved display device comprising:

• a curved first base substrate;
• a first alignment layer comprising a first base layer disposed on the first base substrate and a plurality of first protrusions disposed on the first base layer;
• a curved second base substrate facing the first substrate;
• and
• a second alignment layer comprising a second base layer disposed on the second base substrate and a plurality of second protrusions disposed on the second base layer,
• wherein the first protrusions comprise first large-size protrusions each having a particle size equal to or greater than about 50 nm and equal to or less than about 1000 nm in diameter, and wherein the second protrusions comprise second large-size protrusions each having a particle size equal to or greater than about 50 nm and equal to or less than about 1000 nm in diameter,
• wherein the first large-size protrusions and the second large-size protrusions comprise reactive mesogens polymerized to each other,
• wherein the first base layer comprises a first overlap area overlapping the first large-size protrusions and a first non-overlap area not overlapping the first large-size protrusions,
• wherein the second base layer comprises a second overlap area overlapping the second large-size protrusions and a second non-overlap area not overlapping the second large-size protrusions, and
• wherein the first and second overlap areas satisfy Equation 3
• 0<area of the second overlap area/area of the first overlap area≤1/2 Equation 3.

A curved display device comprising:

• a curved first substrate;
• a first alignment layer disposed on the first substrate;
• a curved second substrate facing the first substrate;
• and
• a second alignment layer disposed on the second substrate and facing the first alignment layer,
• wherein the first alignment layer comprises:
• a first base layer;
• a photo-initiator;
• and
• reactive mesogens polymerized each other, and
• wherein the first alignment layer comprises at least one compound having a structure represented by following Chemical formulas 1 and 2