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Composition, film, preparation method and detection method for detecting intensity of ultraviolet light

A technology of intensity detection and ultraviolet light, applied in the field of optical detection, can solve the problems of complex detection process and limited area

Active Publication Date: 2017-02-22
BOE TECH GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the limited area of ​​the selenium photocell, the UV illuminance meter can only measure a small area of ​​ultraviolet light when measuring the intensity of ultraviolet light. For a large area of ​​ultraviolet light, repeated detection is required, resulting in a more complicated detection process.

Method used

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  • Composition, film, preparation method and detection method for detecting intensity of ultraviolet light
  • Composition, film, preparation method and detection method for detecting intensity of ultraviolet light
  • Composition, film, preparation method and detection method for detecting intensity of ultraviolet light

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preparation example Construction

[0067] see image 3 , the present invention also provides a method for preparing a thin film, to prepare and provide the above thin film; the preparation method comprises:

[0068] The first step is to mix photopolymerizable monomers, photoinitiators, cholesteric liquid crystals, azobenzene monomers, nematic mixed crystals and chiral additives to form a mixed system;

[0069] In the second step, the mixed system is spread to form a prefabricated film layer of the mixed system, and the prefabricated film layer of the mixed system is irradiated with light, so that the photoinitiator in the mixed system triggers the polymerization reaction of the photopolymerizable monomer to obtain Thin film for light intensity detection.

[0070] Compared with the prior art, the preparation method of the film provided by the present invention has the same beneficial effects as the composition provided, and details are not repeated here.

[0071] It is worth noting that the present invention c...

Embodiment 1

[0086] The composition provided in this example for detecting the intensity of ultraviolet light includes nematic mixed crystals, chiral additives, azobenzene monomers, photopolymerizable monomers and benzoin dimethyl ether; nematic mixed crystals , chiral additives, azobenzene monomers, photopolymerizable monomers and benzoin dimethyl ether in a mass ratio of 71.3:8:5:15.2:0.5.

[0087] Nematic mixed crystal is SLC-1717, manufacturer: Shijiazhuang Chengzhi Yonghua Display Materials Co., Ltd.

[0088] Chiral additives are:

[0089]

[0090] Azobenzene monomers are:

[0091]

[0092] The photopolymerizable monomers are:

[0093]

[0094] see image 3 , this embodiment also provides a film for ultraviolet light intensity detection, the film includes the composition for ultraviolet light intensity detection, and its preparation method is as follows:

[0095] In the first step, according to the mass ratio of 71.3:8:5:15.2:0.5, nematic mixed crystals, chiral additives,...

Embodiment 2

[0099] The composition for ultraviolet light intensity detection provided in this embodiment includes nematic mixed crystals, chiral additives, cholesteric liquid crystals, azobenzene monomers, photopolymerizable monomers and photoinitiators; nematic The mass ratio of mixed crystal, chiral additive, cholesteric liquid crystal, azobenzene monomer, photopolymerizable monomer and benzoin ether is 26:19:20:11:22:2.

[0100] Nematic mixed crystal is MAT 09-1284, manufacturer: Merck Company of Germany.

[0101] Chiral additives include the following two chiral additives with a mass ratio of 1:1:

[0102]

[0103] Cholesteric liquid crystals are:

[0104]

[0105] Azobenzene monomers are:

[0106]

[0107] The photopolymerizable monomers are:

[0108]

[0109] see image 3 , this embodiment also provides a film for ultraviolet light intensity detection, the film is a network structure, which includes the composition for ultraviolet light intensity detection, and its p...

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Abstract

The invention discloses a composition, a film, a preparation method and a detection method for detecting the intensity of an ultraviolet light, and relates to the technical field of optical detection, aiming at detecting the intensity of large area of ultraviolet light as well as lowering complexity in the detection. The composition includes a nematic phase mixed crystal, a chiral additive, a cholesteric liquid crystal, an azobenzenes monomer, a light polymerable monomer and a photoinitiator. The film includes the composition provided by the technical solution. Upon preparation, each component of the composition is evenly mixed and spread to form a mixed system pre-fabricated film layer which is radiated by ultraviolet light, thus preparing the film. According to the invention, the composition is intended for detecting the intensity of the ultraviolet light.

Description

technical field [0001] The invention relates to the technical field of optical detection, in particular to a composition, a film, a preparation method and a detection method for ultraviolet light intensity detection. Background technique [0002] An ultraviolet illuminance meter is an instrument for measuring light intensity, also known as a lux meter, which obtains the light intensity of an object by measuring the ratio of the luminous flux obtained on the surface of the object to the illuminated area. [0003] The existing ultraviolet illuminance meter is generally composed of a selenium photocell and a microammeter connected to the selenium photocell; when measuring, the photosensitive surface of the selenium photocell is placed under ultraviolet light, so that the selenium photocell generates a photoelectric current through the photoelectric effect, and passes through the microampere meter. Measure the photogenerated current, and since the scale on the microammeter is ba...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01J1/48C09K19/50C09K19/54
CPCC09K19/50C09K19/542G01J1/48C09K19/2007C09K19/2021C09K2019/0437C09K2019/0448C09K2019/2078C08F2/48G01J1/429C09K19/36C09K19/586C09K2019/546G01J1/50C08F222/1025C08F222/1035C08F220/283G02F1/133711C08F2/50G01J1/0295
Inventor 王菲菲邵喜斌宋平李承珉张洪林赵合彬刘德强
Owner BOE TECH GRP CO LTD
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