Liquid crystal display and method of manufacturing the same
View Patent ↗The invention relates to a liquid crystal display in which a polymeric component included in a liquid crystal layer is polymerized while adjusting a voltage applied to the liquid crystal layer to regulate the direction of alignment of liquid crystal molecules during polymerization and a method of manufacturing the same. The invention provides a liquid crystal display in which image sticking is mitigated and a method of manufacturing the same. In a method of manufacturing a liquid crystal display in which a liquid crystal composition including a polymeric component that is optically or thermally polymerized is sealed between substrates and in which the polymeric component is polymerized while applying a voltage to the liquid crystal composition to regulate the direction of alignment of liquid crystal molecules during driving, a configuration is employed such that a polymerization initiator in the liquid crystal composition has a concentration x that satisfies 0≦x≦0.002 (% by weight)
1. A method of manufacturing a liquid crystal display, comprising the steps of:
sealing a liquid crystal material including a polymeric component that is optically or thermally polymerized between two substrates provided opposite to each other;
polymerizing the polymeric component with a voltage applied to the liquid crystal material; and
regulating the direction of alignment of liquid crystal molecules during driving;
wherein a polymerization initiator in the liquid crystal material has a concentration x that satisfies 0≦x≦0.002(% by weight).
2. A method of manufacturing a liquid crystal display according to claim 1 , wherein the polymeric component is polymerized by irradiating ultraviolet rays.
3. A method of manufacturing a liquid crystal display according to claim 1 , wherein the polymeric component in the liquid crystal material has a concentration y that satisfies 0.1≦y≦10(% by weight).
4. A method of manufacturing a liquid crystal display according to claim 1 , wherein the polymeric component is diacrylate.
5. A method of manufacturing a liquid crystal display according to claim 1 , wherein liquid crystal molecules in the liquid crystal composition are aligned perpendicular to surfaces of the substrates before the polymeric component is polymerized.
6. A method of manufacturing a liquid crystal display according to claim 1 , wherein the polymerization initiator has the concentration x that satisfies 0<x≦0.002(% by weight).
7. A method of manufacturing a liquid crystal display according to claim 5 , wherein the polymerization initiator has the concentration x that satisfies 0<x≦0.002(% by weight).