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Organic electroluminescence device

An electroluminescence device and an electroluminescence technology, which are applied in the directions of electroluminescence light sources, electric light sources, lighting devices, etc., can solve the problems of difficult control of the doping concentration of the luminous body with guest, low luminous efficiency, difficulty in production, etc. Effective utilization and effect of color saturation

Inactive Publication Date: 2006-09-06
UNIVISION TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the above-mentioned existing organic electroluminescent devices are either very difficult to manufacture, or have the disadvantages of difficult control of the doping concentration of guest emitters, low luminous efficiency or short service life.

Method used

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  • Organic electroluminescence device
  • Organic electroluminescence device
  • Organic electroluminescence device

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Embodiment Construction

[0045] In order to have a further understanding and understanding of the features, structures and achieved effects of the present invention, the preferred embodiments and detailed descriptions are described as follows:

[0046] First, see image 3 , is a structural cross-sectional view of a preferred embodiment of the organic electroluminescent device of the present invention; as shown in the figure, the organic electroluminescent device 30 of the present invention is mainly provided with a first electrode 33 on a substrate 31, such as ITO, and At least one luminescent layer (EL) may be provided on the first electrode 33 and on the surface of the part of the substrate 31 that is not provided with the first electrode 33: the first luminescent layer 35 and / or the second luminescent layer 37, and on the luminescent layer 35 / 37 Then a second electrode 39 is provided. Of course, a hole injection layer (HIL) 32, a hole transport layer (HTL) 34, an electron transport layer (ETL) 36 ...

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Abstract

The present invention relates to an organic electroluminescence device in particular referring to an organic electroluminescence device generable three wavelength white light source. It contains on a substrate according to sequence set with a first electrode, plurality of luminescent layer and a second electrode, wherein luminescent layer at least including a first and a second luminescent layer, said first luminescent layer generable tertiary color light, second luminescent layer including first guest illuminator and second guest illuminator, first and second guest illuminator all having same chemical major structure but each having different substituent which makes first guest illuminator generable a first color light and second guest illuminator then generating a second color light said first color light, second color light and third color light forming white light source having three wavelength, by which to raise light source effective availability and depth of colour saturation.

Description

technical field [0001] The present invention relates to an organic electroluminescent device, in particular to an organic electroluminescent device capable of generating a three-wavelength white light source, thereby improving the effective utilization rate and color saturation of the light source. Background technique [0002] Organic Electroluminescence Device (OELD) has been formed by C.W.Tang and S.A.VanSlyke of Kodak Corporation of the United States in 1987 by vacuum evaporation, which has self-luminescence, high response speed, light weight, thin thickness, and low power consumption. , wide viewing angle, high brightness, and full-color organic electroluminescent components (OELD), organic electroluminescent components have been regarded as star products in the display industry, and everyone hopes that they can be used in full-color applications as soon as possible The display may generate a white light source to realize an ideal lighting method that is truly environme...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L51/50H01L51/52H01L51/54H05B33/14
Inventor 陈丁洲秦志明石升旭符宏信江建志
Owner UNIVISION TECHNOLOGY