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An anode in a field emission light source and a field emission light source comprising the anode

A field emission and light source technology, which is applied in the direction of electron emission electrodes/cathodes, fluorescent screen lamps, gas discharge lamp parts, etc., can solve the problems of charge accumulation, complex manufacturing, energy loss of emission light sources, etc.

Inactive Publication Date: 2012-06-27
LIGHTLAB SWEDEN AB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, field emission light sources of the type described above may cause energy losses in conductive materials due to absorption
There is also a risk of charge build-up
Furthermore, the manufacture of light sources of the type mentioned above is a rather complicated matter

Method used

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  • An anode in a field emission light source and a field emission light source comprising the anode
  • An anode in a field emission light source and a field emission light source comprising the anode
  • An anode in a field emission light source and a field emission light source comprising the anode

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Embodiment Construction

[0024] exist figure 1 In, an embodiment of an anode 1 in a field emission light source according to the invention is disclosed. The anode 1 comprises a conductive layer 3 and a light-emitting layer 5 that emits light when excited by electron bombardment 7 caused by a potential difference 9 between the conductive layer 3 and the cathode 11 . The light emitting layer 5 is disposed between the conductive layer 3 and the cathode 11 . The conductive layer 3 is a transparent conductive layer 3 . The light-emitting layer 5 directly adjoins the transparent conductive layer 3 . The thickness of the transparent conductive layer 3 is 100-1000 nm, more preferably 400-600 nm and still more preferably 450-550 nm. The potential difference 9, ΔV is 4-12KV, and more preferably 5-11KV.

[0025] In one embodiment the transparent conductive layer is indium tin oxide (ITO) and in another embodiment the transparent conductive layer is zinc oxide (ZnO).

[0026] In this particular embodiment, t...

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Abstract

An anode (1) in a field emission light source (15) is disclosed. The anode (1) comprises an electrically conductive layer (3) and a luminescent layer (5) that is luminescent when excited by electron bombardment (7) caused by a potential difference (9) between the electrically conductive layer (3) and a cathode (11). Key features are that the luminescent layer (5) is arranged between the electrically conductive layer (3) and the cathode (11) and that the electrically conductive layer (3) is a transparent electrically conducting layer (3). Further, a field emission light source (15) comprising the anode (1) is also disclosed.

Description

[0001] This application is based on the application number of 200580003494.8 (international application number is PCT / SE2005 / 000106), the application date is January 28, 2005, and the invention title is "A kind of anode in a field emission light source and a field including this anode". A divisional application of the patent application for emitting a light source. technical field [0002] According to a first aspect, the invention relates to an anode in a field emission light source. [0003] According to a second aspect, the invention relates to a field emission light source comprising such an anode. Background technique [0004] In US 5,877,588 a light source is disclosed comprising a vacuum container having a peripheral wall at least partly composed of an outer glass layer on which at least one of them is covered on the inside with a layer of phosphor forming a luminescent layer. The main components. The conductive layer constitutes the anode. The phosphor layer is ex...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01J63/02H01J63/06H01JH01J19/02H01J61/04
CPCH01J63/02H01J63/06
Inventor 胡秋红
Owner LIGHTLAB SWEDEN AB