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Light-emitting element and manufacturing method and light-emitting method thereof

A light-emitting element and manufacturing method technology, applied in the direction of electrical components, cold cathode manufacturing, electrode system manufacturing, etc., can solve problems such as low luminous efficiency and limiting the application of field emission devices

Inactive Publication Date: 2011-07-27
OCEANS KING LIGHTING SCI&TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, materials such as phosphor powder, luminescent glass, and luminescent film can be used as luminescent materials in field emission devices, but they all have the essential problem of low luminous efficiency, which greatly limits the application of field emission devices, especially in lighting. field application

Method used

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  • Light-emitting element and manufacturing method and light-emitting method thereof
  • Light-emitting element and manufacturing method and light-emitting method thereof
  • Light-emitting element and manufacturing method and light-emitting method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Choose a size of 1×1cm 2 Double-sided polished quartz substrate, using magnetron sputtering method to form Y-containing substrate on the substrate 1.94 Tb 0.06 SiO 5 Light-emitting film, and then use magnetron sputtering equipment to deposit a metal silver layer with a thickness of 2 nanometers on the surface of the light-emitting film, and then place it in a vacuum degree of less than 1×10 -3 In a Pa vacuum environment, annealing is performed at a temperature of 300° C. for half an hour, and then cooled to room temperature to obtain the desired yttrium silicate terbium-doped light-emitting element. Such as figure 1 Shown is a structural diagram of a light-emitting element doped with yttrium silicate and terbium, wherein the substrate 15 is a quartz substrate, and the light-emitting film 13 is a prepared Y 1.94 Tb 0.06 SiO 5 The metal layer 14 is a 2 nanometer silver layer. The electron beam 16 emitted by the electron gun directly hits the metal layer 14. The electron beam ...

Embodiment 2

[0047] Choose a size of 1×1cm 2 Double-sided polished quartz substrate, using electron beam evaporation method to prepare Y on the substrate 1.998 Tb 0.002 SiO 5 Use magnetron sputtering equipment to deposit a metal gold layer with a thickness of 0.5 nanometers on the surface of the light-emitting film, and then place it in a vacuum less than 1×10 -3 In a Pa vacuum environment, annealing was performed at a temperature of 200° C. for 1 hour, and then cooled to room temperature to obtain the yttrium silicate terbium-doped light-emitting element of this example.

Embodiment 3

[0049] Choose a size of 1×1cm 2 Double-sided polished sapphire substrate, using chemical vapor deposition method to form Y on the substrate 1.995 Tb 0.005 SiO 5 Use magnetron sputtering equipment to deposit a metal aluminum layer with a thickness of 200 nanometers on the surface of the light-emitting film, and then place it in a vacuum less than 1×10 -3 In a Pa vacuum environment, annealing was performed at a temperature of 500° C. for 5 hours and then cooled to room temperature to obtain the yttrium silicate terbium-doped light-emitting element of this example.

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Abstract

The invention relates to a light-emitting element, which comprises a light-emitting membrane, wherein a metal layer is arranged on the surface of the light-emitting membrane and is provided with a metal microscopic structure; and the light-emitting membrane is provided with a light-emitting material. The invention also provides a manufacturing method and a light-emitting method of the light-emitting element. In the light-emitting element, the light-emitting membrane is provided with the metal layer, so the light-emitting efficiency and light-emitting uniform stability of the light-emitting material can be enhanced; and the light-emitting element can be used on a light-emitting device which has ultrahigh luminance and operates at high speed.

Description

Technical field [0001] The invention belongs to the technical field of luminescent materials, and specifically relates to a light-emitting element with a light-emitting film, a manufacturing method thereof, and a light-emitting method thereof. Background technique [0002] Traditional materials used as luminescent substrates include phosphors, nanocrystals and luminescent films. Compared with nanocrystals and phosphors, luminescent films have easy preparation, good chemical stability and excellent optical properties, and can be applied to various Shape or size of display device or lighting source. [0003] For example, in the field of vacuum microelectronics, field emission devices usually use light-emitting glass as a light-emitting body, which has shown broad application prospects in the field of lighting and display, and has attracted widespread attention from domestic and foreign research institutions. The working principle of the field emission device is: in a vacuum environm...

Claims

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Application Information

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IPC IPC(8): H01J17/40H01J17/04H01J9/22H01J9/02
Inventor 周明杰马文波唐晶罗茜
Owner OCEANS KING LIGHTING SCI&TECH CO LTD
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