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Photoluminescent device and production method thereof

A technology of photoluminescence and devices, which is applied in the field of luminescence, can solve problems such as low luminous efficiency, low luminous efficiency, and difficulty in meeting the needs of use, and achieve the effect of improving luminous efficiency

Inactive Publication Date: 2014-02-19
OCEANS KING LIGHTING SCI&TECH CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The current red light-emitting materials have the problem of generally low luminous efficiency, which leads to the low luminous efficiency of existing photoluminescent devices, which is difficult to meet the needs of use

Method used

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  • Photoluminescent device and production method thereof
  • Photoluminescent device and production method thereof
  • Photoluminescent device and production method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0037] see figure 2 , the preparation method of the photoluminescence device of an embodiment, comprises the following steps:

[0038] Step S110: preparing a light-emitting substrate.

[0039] The luminescent substrate is composed of luminescent glass, luminescent transparent glass ceramics (glass ceramics), luminescent transparent ceramics, or transparent glass and a luminescent film laminated on the transparent glass.

[0040] When the luminescent substrate is luminescent glass, luminescent transparent glass ceramics (glass ceramics) or luminescent transparent ceramics, the luminescent substrate is made of luminescent materials by high temperature melting method or high temperature and high pressure method, such as red light material Y 2 o 3 :Eu 3+ , Y 2 o 2 S:Eu 3+ Red light emitting glass, red light emitting transparent glass ceramics (glass ceramics) or red light emitting transparent ceramics doped with glass, transparent glass ceramics or transparent ceramics.

...

Embodiment 1

[0063] Preparation of photoluminescent device 100

[0064] Please also see Figure 3~Figure 5 , preparing the photoluminescent device 100 includes the following steps:

[0065] (1) The red luminescent material Y is made by high-temperature melting method 2 o 3 :Eu 3+ Doping in glass to prepare luminescent glass as a luminescent substrate 110, the length, width and height of the luminescent substrate 110 is 5cm×5cm×0.1cm, cleaning the luminescent substrate 110 and drying;

[0066] (2) coating a photoresist with a thickness of 50 nm on the light-emitting substrate 110 by spin coating to form a photoresist layer 120;

[0067] (3) 16 first photoresist patterns 130 arranged in a square (four rows and four columns, row spacing and column spacing are both 400nm) are exposed on the photoresist layer 120 by ultraviolet light, and the first photolithography patterns 130 are A circular shape with a diameter of 400 nm, such as image 3 shown;

[0068] (4) Soak and develop with KOH ...

Embodiment 2

[0072] A photoluminescent device is prepared, comprising the steps of:

[0073] (1) Provide a glass substrate. After cleaning the glass substrate and drying it, use screen printing to print the luminescent material on the glass substrate to form a luminescent film or use magnetron sputtering to make the luminescent material Y 2 o 3 :Eu 3+ Deposit on the surface of the glass substrate to form a luminescent film to obtain a luminescent substrate. The length, width and height of the light-emitting substrate are 5cm×5cm×0.1cm;

[0074] (2) Coating a photoresist with a thickness of 50 nm on the luminescent film by spin coating to form a photoresist layer;

[0075] (3) Expose 16 first photolithographic patterns arranged in a square (four rows and four columns, with a row spacing and a column spacing of 1μnm) on the photoresist layer by ultraviolet light. The first photolithographic pattern has a diameter of 400nm round shape;

[0076] (4) Soak and develop with KOH solution, and...

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Abstract

The invention provides a photoluminescent device comprising a light-emitting substrate and a plurality of metal micro-nano structures disposed on the light-emitting substrate. The metal micro-nano structures are cylindrical or rectangular or square. Surface plasma wave produced by the metal micro-nano structures and wave produced by light-emitting material of the light-emitting substrate have resonant absorption effect, so that energy of the surface plasma wave is transferred to the light-emitting material, fluorescence of the light-emitting material is enhanced, and lighting efficiency of the photoluminescent device is increased. The invention further provides a production method of the photoluminescent device.

Description

technical field [0001] The invention relates to the technical field of light emission, in particular to a photoluminescent device and a preparation method thereof. Background technique [0002] The discovery of fire enabled people to work and live not only during the day, but also at night. With the invention of the electric light and the continuous emergence of various electric-driven lighting devices, the work efficiency at night has been improved and life has been enriched. With the improvement of living standards, people are more and more aware that light is not only used for lighting, but also for decoration and display. [0003] Photoluminescence is a very important light-emitting technology in current lighting and backlight light sources. Its light-emitting principle is: objects rely on external light sources to irradiate, thereby obtaining energy, and producing a phenomenon of excitation leading to light emission. It roughly passes through absorption, energy transfe...

Claims

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Application Information

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IPC IPC(8): F21K2/00
Inventor 周明杰陈贵堂
Owner OCEANS KING LIGHTING SCI&TECH CO LTD
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