Process for producing a phase difference control component and liquid crystal display device
AssigneeDai Nippon Printing Co., Ltd.
InventorsNorihisa MORIYA, Kanami Ikegami
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Abstract
There are provided a phase difference control component, which can realize a liquid crystal display device having a wide angle of visibility, has excellent phase difference symmetry and can realize optical compensation, and a process for producing the same. The phase difference control component comprises a base material; and a phase difference control layer formed of a fixed liquid crystal material provided on the base material through an aligning film and is characterized in that the angle of liquid crystal molecules, present at the interface of the aligning film and the phase difference control layer, to the base material being substantially 0 (zero) degree.
Claims18
A phase difference control component comprising:
- a base material;
- and
- a phase difference control layer formed of a fixed liquid crystal material provided on said base material through a photo-aligned aligning film,
- wherein the photo-aligned aligning film develops a liquid crystal structure in which liquid crystal molecules, present at the interface of the photo-aligned aligning film and the phase difference control layer, are aligned at a pretilt angle of substantially 0 degree.
A phase difference control component comprising:
- a base material;
- and
- a phase difference control layer formed of a fixed liquid crystal material provided on said base material through a photo-aligned aligning film,
- wherein the photo-aligned aligning film develops a liquid crystal structure in which liquid crystal molecules, present at the interface of the photo-aligned aligning film and the phase difference control layer, are aligned at a pretilt angle of substantially 0 degree, and
- wherein the photo-aligned aligning film is photodimerization type formed of a compound having a cinnamate group.
A phase difference control component comprising:
- a base material;
- and
- a phase difference control layer formed of a fixed liquid crystal material provided on said base material through a photo-aligned aligning film,
- wherein the photo-aligned aligning film develops a liquid crystal structure in which liquid crystal molecules, present at the interface of the photo-aligned aligning film and the phase difference control layer, are aligned at a pretilt angle of substantially 0 degree, and
- wherein the retardation value of said phase difference control component representing the level of phase difference, measured by varying the observation angle in the range of −45 degrees to +45 degrees in the slow phase axis direction, is symmetrical with respect to the observation angle.
Dependencies are inferred from the claim text.