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Long pattern alignment film and long pattern phase difference film using same

A pattern retardation, strip-type technology, applied in optics, instruments, nonlinear optics, etc., can solve the problems of difficult practicability, high price, and inability to manufacture large-area pattern retardation plates in large quantities. Mass-produced, highly free effects

Inactive Publication Date: 2014-06-04
DAI NIPPON PRINTING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the patterned retardation plate disclosed in the above-mentioned Patent Document 1 must use a glass plate, so the price is high, and it is impossible to manufacture a large-area patterned retardation plate in large quantities, and there are difficulties in practicality.
[0006] As described above, practical patterned retardation films are still in the stage of research and development, and there are almost no patterned retardation films known to the general public. The method is mass-produced and the problem of the display device capable of displaying three-dimensional images

Method used

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  • Long pattern alignment film and long pattern phase difference film using same
  • Long pattern alignment film and long pattern phase difference film using same
  • Long pattern alignment film and long pattern phase difference film using same

Examples

Experimental program
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Effect test

Embodiment 1

[0244] After dispersing transparent fine particles in a transparent resin, apply it to a TAC (triacetyl cellulose) film (Fujitac) with a thickness of 80 μm to obtain AG (Anti Glare, anti-glare) with a haze value of 10 to 15 A film (manufactured by Dainippon Printing Co., Ltd.) was coated with a coating liquid containing PETA and a photopolymerization initiator on the surface opposite to the AG surface of the AG film, and UV (Ultraviolet, ultraviolet) was cured to form a film thickness of 1 μm. The intermediate layer (barrier layer) is prepared to produce a roll-shaped coil with a width of 1m and a length of 2000m. use Figure 6 In the shown device, a coating solution for forming an alignment layer containing a photo-dimerization reaction type photo-alignment material (trade name: ROP-103, manufactured by Rolic Corporation) as a photo-alignment material was applied to the above-mentioned intermediate layer side and dried. A layer for forming an alignment layer having a film th...

Embodiment 2

[0248] use Figure 7 In the apparatus shown, in the second polarized ultraviolet irradiation, polarized ultraviolet rays are irradiated through a mask in which the openings used in the first polarized ultraviolet irradiation are replaced with the light-shielding parts, thereby forming long strips including the alignment layer. An elongated patterned retardation film was formed in the same manner as in Example 1 except that the patterned alignment film was used. Observation of the obtained elongated patterned retardation film with polarizer crossed Nicols revealed the same result.

Embodiment 3

[0250] use Figure 17 In the shown apparatus, the elongated patterned retardation film was formed continuously from a roll, and the elongated patterned retardation film was formed in the same manner as in Example 1. Observation of the obtained elongated patterned retardation film with polarizer crossed Nicols revealed the same result.

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Abstract

The main purpose of the present invention is to provide a long pattern alignment film whereby pattern phase difference films can be manufactured easily and in large quantities. The present invention achieves the abovementioned purpose by providing a long pattern alignment film that is long shaped and has an alignment layer including an optical alignment material, and is characterized in that the alignment layer includes a first alignment region in which a rod-shaped compound having refractive index anisotropy is arranged in a fixed direction, and a second region in which the rod-shaped compound is arranged in a different direction than in the first alignment region.

Description

technical field [0001] The present invention relates to an elongated patterned alignment film which can easily and mass-produce a patterned retardation film. Background technique [0002] Currently, as flat panel displays, flat panel displays capable of two-dimensional display are the mainstream. However, in recent years, flat panel displays capable of three-dimensional display have begun to attract attention, and some commercial products are also available. Furthermore, since future flat panel displays tend to be naturally required to be capable of three-dimensional display as their performance, research on flat panel displays capable of three-dimensional display is being advanced in a wide range of fields. [0003] When performing three-dimensional display on a flat panel display, it is generally necessary to display right-eye video and left-eye video separately to the viewer in some way. As a method of separately displaying a video for the right eye and a video for the l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B5/30
CPCG02B27/26G02B5/3016G02B5/3083G02B30/25C09K2323/02G02B1/10G02B1/11G02F1/133711
Inventor 鹿岛启二西村祐行福田政典乘竹祐吾
Owner DAI NIPPON PRINTING CO LTD