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Optical film and method for producing optical film

A manufacturing method and technology of optical film, applied in the field of optical film, can solve the problems of increasing manufacturing cost, increasing the thickness of adhesive material layer, etc., and achieve the effect of excellent transparency

Inactive Publication Date: 2016-07-20
KONICA MINOLTA INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0011] However, in order to have the adhesiveness that allows only the two substrates to be reliably bonded, the layer thickness of the adhesive material must be increased to some extent, and oxygen barrier properties are also required for this adhesive material, so the production cost increases. high
In addition, since the treatment of curing the optical material layer and the treatment of curing the adhesive material must be performed separately, the manufacturing cost also increases in this regard.

Method used

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  • Optical film and method for producing optical film
  • Optical film and method for producing optical film
  • Optical film and method for producing optical film

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Embodiment

[0212] Hereinafter, the present invention will be more specifically described based on examples, but the present invention is not limited to the following examples.

[0213] "Production of Sample 1"

[0214] (1) Preparation of substrate

[0215] As a base material, a polyethylene terephthalate film (manufactured by Toyobo Co., Ltd., Cosmoshine A4300, abbreviated as PET) with a thickness of 125 μm that was processed to facilitate adhesion on both sides was used as a thermoplastic resin support. , The substrate was stored in an environment with a temperature of 25° C. and a relative humidity of 55% for 96 hours to perform humidity control.

[0216] On the easy-adhesive surface of the above-mentioned substrate, after coating OPSTAR (registered trademark) Z7501, a UV-curable organic / inorganic hybrid hard coat material manufactured by JSR Corporation, with a wire bar so that the layer thickness after drying becomes 4 μm, the coating was carried out at 80 After drying for 3 minute...

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Abstract

The objective of the present invention is to provide an optical film which is capable of suppressing deterioration of semiconductor nanoparticles due to invasion of oxygen, water or the like for a long period of time, while having excellent transparency. This optical film is characterized by comprising, on a base (101), metal oxide gas barrier layers (102, 107) and a semiconductor nanoparticle layer (105) that contains semiconductor nanoparticles (104) and an ultraviolet curable resin. This optical film is also characterized in that: a metal derived from a metal alkoxide or a metal chelate compound is contained at the interfaces between the semiconductor nanoparticle layer (105) and the metal oxide gas barrier layers (102, 107); or alternatively, intermediate layers (103, 106) that contain a metal derived from a metal alkoxide or a metal chelate compound are provided respectively between the semiconductor nanoparticle layer (105) and the metal oxide gas barrier layers (102, 107).

Description

technical field [0001] The present invention relates to an optical film including semiconductor nanoparticles in a transparent layer. The present invention relates to, for example, a backlight unit (BLU) used in a display device such as a liquid crystal display (LCD), a television, a computer, a mobile phone, a smart phone, a portable information terminal (PDA), a game machine, an electronic reading device, a digital camera, etc. Targeted, high-efficiency, pure color optical film of semiconductor nanoparticles. [0002] In particular, it relates to an optical film capable of suppressing deterioration of semiconductor nanoparticles caused by intrusion of oxygen, water, etc. over a long period of time and having excellent transparency. Background technique [0003] In recent years, semiconductor nanoparticles have received commercial attention due to their size-tunable electronic properties. Semiconductor nanoparticles are expected to be used in a very wide range of fields s...

Claims

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Application Information

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IPC IPC(8): G02B5/20B32B27/18B32B27/38
CPCB32B27/38B32B27/18B32B2307/412B32B2307/7242B32B2457/202B32B2551/00B82Y30/00
Inventor 河村朋纪
Owner KONICA MINOLTA INC
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