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Field emission device for emitting white light

A field emission and white light technology, applied in the field of microelectronics, can solve the problems of increasing the manufacturing process of light source devices and poor stability of resin aging

Inactive Publication Date: 2015-07-01
OCEANS KING LIGHTING SCI&TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is that, in the light-emitting device of the prior art, it is necessary to disperse the yellow light-emitting material in transparent epoxy resin and coat it on the outer surface of the glass substrate, which increases the manufacturing process of the light source device. , and long-term use, the resin on the outer layer of the light source is prone to problems such as poor aging stability, etc., providing a field emission white light device that can greatly simplify the manufacturing process of field emission light source devices, and can greatly improve the overall stability of the device

Method used

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  • Field emission device for emitting white light
  • Field emission device for emitting white light
  • Field emission device for emitting white light

Examples

Experimental program
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Effect test

Embodiment 1

[0025] Embodiment 1, as figure 1 As shown, a device for field emission of white light includes a cathode plate assembly 1, an anode plate assembly 2 that is spaced apart from the cathode plate assembly, and a support body 3 that seals the two together, wherein the cathode plate assembly 1 includes a horizontal The cathode plate 101 is provided, the conductive cathode and grid wires 102 and the electron emission source 103 are arranged on the upper surface of the cathode plate 101 . The anode plate assembly 2 includes a transparent substrate 203, the transparent substrate 203 is cerium ion-doped YAG glass-ceramic that can absorb blue light of 420-490 nm and emit yellow light with a peak in the range of 520-590 nm, facing the cathode plate 101 The surface of the transparent substrate 203 is sequentially provided with a transparent anode 202 and a blue cathode ray luminescent material layer 201 from top to bottom. The transparent anode 202 is mainly made of indium tin oxide ITO o...

Embodiment 2

[0026] Embodiment 2, as figure 2 As shown, a device for field emission of white light includes a cathode plate assembly 1, an anode plate assembly 4 that is spaced apart from the cathode plate assembly, and a support body 3 that seals the two together. The cathode plate assembly 1 and the embodiment The structure of the cathode plate assembly in 1 is the same and will not be repeated here.

[0027] The anode plate structure 4 includes a transparent substrate 403. The transparent substrate 203 is a cerium ion-doped YAG glass-ceramic that can partially absorb 420-490nm blue light and emit yellow light with a peak in the range of 520-590nm. Directly coated with blue cathode ray luminescent material layer 402 (blue cathode ray luminescent material selects LaGaO 3 : Tm), on the blue cathodoluminescent material layer 402, a metal aluminum layer was vapor-deposited as the metal anode 401, and the coating method of the blue cathodoluminescent material layer 402 was the same as that ...

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Abstract

A field emission device for emitting white light is provided. The device includes a cathode plate assembly (1), an anode plate assembly (2) which is opposite to and spaced from the cathode plate assembly (1), and a supporting body (3) for tight coupling the cathode plate assembly (1) with the anode plate assembly (2). The anode plate assembly (2) includes a transparent substrate (203) which can emit yellow light when excited by blue light. An anode (202) and a blue cathode ray luminescent material layer (201) are provided on the surface of the transparent substrate (203). The blue cathode ray luminescent material layer (201) contains blue cathode ray luminescent material.

Description

technical field [0001] The invention belongs to the technical field of microelectronics and relates to a device for emitting white light, in particular to a device for field emitting white light based on a field emission device. Background technique [0002] With the rapid development of lighting technology, the research and development of alternatives to traditional light sources, that is, energy-saving and environmentally friendly green lighting sources, has become an important topic that various countries are competing to carry out. Field emission light source devices appearing in the field of vacuum microelectronics have shown that green A new approach to ecological lighting. The working principle of the field emission light source device is: in a vacuum environment, the anode applies a forward voltage to the field emission cathode arrays (field emissive arrays, FEAs) to form an accelerating electric field, and the electrons emitted by the cathode accelerate and bombard ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/13357H01J63/06C09K11/08
CPCC09K11/7734H01J63/06C09K11/7774C09K11/7718Y02B20/181H01J63/04C09K11/584C09K11/7771C09K11/565C09K11/0883H01J29/20C09K11/7702Y02B20/00
Inventor 周明杰马文波
Owner OCEANS KING LIGHTING SCI&TECH CO LTD
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