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US 8,133,409 B2Granted
Liquid crystal display device and method of fabricating the same
AssigneeLG Display Co., Ltd.
InventorSu Hyun Park
Life of this patent
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Abstract
A method of fabricating a liquid crystal display (LCD) device includes preparing at least a first substrate, coating an alignment material on at least the first substrate, aligning a main chain of the alignment material in a predetermined direction, and irradiating polarized ultraviolet (UV) rays onto the alignment material whose main chain has been aligned in the predetermined direction to form an alignment layer.
Claims11
A method of fabricating a liquid crystal display (LCD) device, comprising:
- preparing at least a first substrate;
- coating an alignment material having a main chain and a photo-reactive side chain on at least the first substrate, wherein the main chain is a polymeric material and the photo-reactive side chain is materials having either azo coupling or chalcone;
- aligning the main chain of the alignment material in a predetermined direction by performing a soft rubbing process, wherein the soft rubbing process is performed with a rubbing strength in the range of about 20 mm to about 160 mm and the soft rubbing process is performed with a mark width in the range of about 6 mm to about 14 mm;
- and
- irradiating polarized ultraviolet (UV) rays onto an entire surface of the alignment material whose main chain has been aligned in the predetermined direction to form an alignment layer, wherein the predetermined alignment direction of the main chain of the alignment material is substantially the same as a polarization direction of the polarized UV rays.
2 more elements
Dependencies are inferred from the claim text.