Optical conversion luminous film and preparation method thereof

A technology of luminescent film and light conversion, applied in luminescent materials, luminescent coatings, chemical instruments and methods, etc., can solve the problem of large-area uniformity and consistency of luminescent materials, no mention of manufacturing luminescent films, and no uniform light effect And other issues

Active Publication Date: 2009-11-04
DALIAN LUMINGLIGHT SCIENCE & TECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Chinese patent application 200480006816.X "Light-emitting film, light-emitting device, manufacturing method of light-emitting film, and manufacturing method of light-emitting device", mainly coats a layer of water-soluble gel light-emitting body on the part of the light-emitting device to form a light-emitting film, and the material is special And it is only a single device coating, and there is no uniform light effect
Chinese patent application 200580016040.4 "Improved Color Conversion Photoluminescent Film", although it is mentioned that the blue laser emits visible light, it does not have a uniform light effect without the combination of diffusion materials, and at the same time, the manufacturing method of screen printing technology is difficult to achieve a large area of ​​luminescent materials uniformity, consistency
Chinese patent application 200610047459.2 "UV curable luminescent film and its manufacturing method" and Chinese patent ZL00119131.4 "luminescent film and its manufacturing method", described the photoluminescent material luminescent film and its manufacturing method, mainly proposed long afterglow luminescent film and its The manufacturing method does not mention the blue-light-excited LED light conversion material to manufacture the luminescent film, and does not propose the process method of combining the diffusion material to manufacture the luminescent film
U.S. Patent US660017581 mentions that organic fluorescent and phosphorescent materials are used in the packaging of white light LEDs to replace LED phosphors for packaging, and compositely emit white light. It is only the coating of a single device, which can only simply realize the electric light source, and has certain advantages in the application of surface light sources. Difficulty; Chinese patent application 200380105175.9 "Organic LED display device an

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] Example 1: Application method one to manufacture light-converting luminescent film

[0050] The process recipe for the manufacture of the mixed paint layer is as follows:

[0051] Resin Silicone resin 88.949kg

[0052] Bisaminosilane N-β-(aminoethyl)-γ-aminopropylmethyltrimethoxysilane 1.000kg

[0053] Auxiliary defoamer 0.050kg

[0054] yellow luminescent fluorescent material

[0055] 0.45Tb 2 o 3 0.9Al 2 o 3 0.1Ga 2 o 3 : 0.004Ce, 0.004Li, 0.2F 10.000kg

[0056] Red luminescent fluorescent material 2-Juronidinyl-3-hydroxyflavone 0.001kg

[0057] Implementation process: Add the liquid raw materials in the formula into the batching container, stir evenly, slowly add the fluorescent material into the container at high speed, disperse evenly, and set aside. Of which 0.45Tb 2 o 3 0.9Al 2 o 3 0.1Ga 2 o 3 : 0.004Ce, 0.004Li, 0.2F particle size is 8μm, 2-juronidinyl-3-hydroxyflavone particle size is 3μm. The prepared mixed paint is coated on the corona-treat...

Embodiment 2

[0059] Embodiment 2: Manufacture light conversion luminescent film by method one

[0060] The process formula of the mixed coating layer is as follows:

[0061] Resin Polyurethane resin sap 60.000kg

[0062] Yellow-emitting fluorescent material (Sr 0.5 Ca 0.5 ) 1.95 Si 5 N 8 :Eu 0.05 , Li 0.05 , F 0.1 17.500kg

[0063] Red-emitting fluorescent materials (Sr0.1 Ca 0.9 ) 1.99 Si 5 N 8 :Eu 0.01 , Li 0.1 , F 0.01 0.500kg

[0064] Thinner Cyclohexanone 20.000kg

[0065] Bisaminosilane 3-piperazinylpropylmethyldimethoxysilane 1.000kg

[0066] Auxiliary leveling agent EFKA-30 0.500kg

[0067] Defoamer EFKA-21 0.500kg

[0068] Weigh the raw materials according to the formula, add the liquid raw materials in the formula into a high-speed disperser, disperse evenly at high speed, then add fluorescent materials and stir evenly, wherein (Sr 0.5 Ca 0.5 ) 1.95 Si 5 N 8 :Eu 0.05 , Li 0.05 , F 0.1 The particle size is 15μm, (Sr 0.1 Ca 0.9 ) ...

Embodiment 3

[0069] Embodiment 3: Application Method 1 to manufacture light-converting luminescent film.

[0070] The process formula of the mixed coating layer is as follows:

[0071] Resin Urethane resin 50.000kg

[0072] Urethane resin curing agent 5.000kg

[0073] Bisaminosilane N-β-(aminoethyl)-γ-aminopropylmethyldimethoxysilane 5.000kg

[0074] Diluent Xylene 8.000kg

[0075] yellow luminescent fluorescent material

[0076] 0.95CaO 0.05SrO 0.4MgO SiO 2 :0.015Eu, 0.005Li, 0.25F 30.000kg

[0077] Red-emitting fluorescent materials (Sr 0.1 Ca 0.9 ) 1.99 Si 5 N 8 :Eu 0.01 , Li 0.1 , F 0.01 2.000kg

[0078] Weigh the raw materials according to the formula, add the liquid raw materials in the formula into the high-speed disperser, disperse evenly at high speed, then add fluorescent materials and stir evenly, of which 0.95CaO·0.05SrO·0.4MgO·SiO 2 : 0.015Eu, 0.005Li, 0.25F particle size is 10μm, (Sr 0.1 Ca 0.9 ) 1.99 Si 5 N 8 :Eu 0.01 , Li 0.1 , F 0.01 ...

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Abstract

The invention relates to an optical conversion luminous film and a preparation method thereof. The optical conversion luminous film is formed by a diffusion film and a mixed paint layer on the diffusion film; the optical conversion luminous film has the thickness of 30-200mum, wherein, the thickness of the diffusion film is 20-70mum; the mixed paint layer is made of 10.000-30.000% of yellow luminous fluorescent material, 0.001-2.000% of red luminous fluorescent material, 60.000-89.000% of polymer resin, 1.000-5.000% of bi-amino silane, 0.000-20.000% of diluting agent and 0.000-5.000% of accessory ingredient. By combining the yellow luminous fluorescent material and the red luminous fluorescent material, the invention can realize the aim of regulating chromaticity coordinate, color temperature and color rendering index, thus preparing the optical conversion luminous film which is made of the fluorescent materials and has the advantages of high color rendering index of the photodiffusion effect, good property of uniform light, anti-dazzle, high light conversion efficiency, low cost, excellent aging characteristic and simple production technique.

Description

technical field [0001] The invention belongs to the technical field of optoelectronic display and illumination. The invention relates to a light-converting luminescent film of a fluorescent material, in particular to a layered film product made of a luminescent material, a luminescent paint and a resin film. At the same time, it relates to a light-converting light-emitting film for light-emitting devices including LED backlight, digital display and lighting. Background technique [0002] International patent WO2007105853 introduces a method for preparing a photoluminescent film. The luminescent material used is an inorganic luminescent material. The photoluminescent film introduced in this patent is prepared using silicone resin as a film-forming material, but it does not affect the photoluminescent film. The relationship between the luminescent material of the luminescent film and the color coordinates, color temperature and brightness is introduced. Chinese patent applic...

Claims

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Application Information

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IPC IPC(8): F21K2/06B32B7/02B32B27/06C09D5/22C09K11/00C09K11/86C09K11/85C09K11/06H01L33/00
CPCY02B20/181Y02B20/00
Inventor 李茂龙常英夏威张宏伟肖志国
Owner DALIAN LUMINGLIGHT SCIENCE & TECHNOLOGY CO LTD
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