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Optical film, method for producing optical film, and surface light-emitting body

An optical film and manufacturing method technology, applied in chemical instruments and methods, optics, optical components, etc., can solve the problem of inability to take out the outside, and achieve the effects of excellent light extraction efficiency, low curling, and excellent weather resistance.

Active Publication Date: 2016-03-16
MITSUBISHI CHEM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, about 80% of the light generated in the light-emitting layer is blocked inside the organic EL element and cannot be taken out to the outside

Method used

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  • Optical film, method for producing optical film, and surface light-emitting body
  • Optical film, method for producing optical film, and surface light-emitting body
  • Optical film, method for producing optical film, and surface light-emitting body

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0337] (manufacturing of optical films)

[0338] As the active energy ray-curable composition A for constituting the region α, the active energy ray-curable composition (1) was used, and as the active energy ray-curable composition B for constituting the region β, the active energy ray-curable composition (1) was used. Composition (2), utilize Figure 6 The shown apparatus performs step A (coating including making the active energy ray-curable composition B conform to the surface of the concave-shaped microlens transfer part), step X, step B, step C, and step D in order to manufacture Optical film. Regarding the obtained microlenses of the optical film, the region α is formed of the resin composition A, the region β is formed of the resin composition B, and the average longest diameter L of the bottom portion of the microlens is ave 50μm, the average height of the microlens H ave is 25 μm, the average height h of the region α ave It is 18 μm, and is a spherical sectional m...

Embodiment 2、 comparative example 3～4

[0352] The optical film was obtained in the same manner as in Example 1 except that the region α and the region β of the optical film were formed of the resin composition shown in Table 2.

[0353] Table 2 shows the results of the adhesion test, curl test and friction test of the obtained optical film.

[0354] Table 2

[0355]

Embodiment 3

[0356] [Example 3, Comparative Example 1, 5]

[0357] The optical film was obtained in the same manner as in Example 1 except that the region α and the region β of the optical film were formed of the resin composition shown in Table 3.

[0358] Table 3 shows the results of the adhesion test, curl test and resistivity test of the obtained optical film.

[0359] table 3

[0360]

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Abstract

This optical film includes a substrate and a plurality of convex microlenses arrayed on the substrate. The microlenses have an alpha-region and a beta-region. The beta-region occupies the outer portion of the convex shape of the microlenses, and is positioned in a manner so as to cover the alpha-region. In an adhesion test conforming to ISO 2409 for measuring the adhesiveness of the substrate and the optical film, the test result is class 0 or class 1.

Description

technical field [0001] The present invention relates to an optical film, a manufacturing method of the optical film and a surface light emitting body. [0002] This application claims the priority of Japanese Patent Application No. 2013-108607 for which it applied in Japan on May 23, 2013, and uses the content here. Background technique [0003] In terms of surface light emitters, it is expected that organic EL (electroluminescent) elements will be applied to flat panel displays, or they will be applied to next-generation lighting as a substitute for fluorescent lamps and the like. [0004] The structure of the organic EL element ranges from an organic EL element with a simple structure in which an organic thin film as a light-emitting layer is sandwiched between two electrodes, to an organic EL element with a structure in which an organic thin film is multilayered including a light-emitting layer, become diverse. Examples of the latter multilayered structure include a str...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B3/00B32B7/02C08F2/50H01L51/50H05B33/02
CPCC08F2/48C08F222/10G02B3/0012G02B3/0043G02B3/005G02B3/0056B32B5/145B32B27/308B32B27/40B32B2307/21B32B2307/3065B32B2307/554B32B2307/558B32B2307/712B32B2551/00C08G18/672C08G18/673C08G18/725C08G18/73C08G18/792C08G18/8175C08F290/067C09D175/16B29D11/00288C08F220/343C08F222/105C08F222/1065C08F222/1067C08F222/102F21V5/004H10K50/858C08F222/103C08F220/20B29D11/00365G02B1/041G02B3/0031
Inventor 奥野大地户田正利
Owner MITSUBISHI CHEM CORP
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