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Organic light emitting device and organic light emitting display device using the same

A technology of organic light-emitting devices and light-emitting layers, applied in the fields of light-emitting materials, organic semiconductor devices, chemical instruments and methods, etc.

Active Publication Date: 2015-06-03
LG DISPLAY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For this reason, it is not applicable to change to this material considering only the performance improvement

Method used

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  • Organic light emitting device and organic light emitting display device using the same
  • Organic light emitting device and organic light emitting display device using the same
  • Organic light emitting device and organic light emitting display device using the same

Examples

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Embodiment Construction

[0060] Exemplary embodiments of the invention will now be described in detail, some examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts.

[0061] Hereinafter, a white organic light emitting device according to the present invention will be described in detail with reference to the accompanying drawings.

[0062] figure 1 is a cross-sectional view showing an organic light emitting device according to the present invention.

[0063] like figure 1 As shown, the organic light emitting device according to the present invention has n (where n is a natural number of 2 or more) stacked layers 120 , 140 and 160 interposed between the anode 110 and the cathode 170 . Although only three stacks are depicted in the drawings, the invention is not limited thereto and two stacks or four or more stacks may be employed.

[0064] like figure 1 As shown, when the ...

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PUM

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Abstract

An organic light emitting device containing a multilayer stack structure including n stacks between an anode and a cathode is described, wherein the respective stacks comprise a hole transport layer, a light emitting layer and an electron transport layer, an n-type charge generation layer and a p-type charge generation layer respectively provided between the different adjacent stacks, wherein the p-type charge generation layer comprises an indenofluorenedione derivative represented by Formula 1 or an imine derivative represented by Formula 2 or 3.

Description

technical field [0001] The present invention relates to an organic light emitting device including a multilayer stack structure to simplify the structure of each layer and reduce driving voltage and an organic light emitting display device using the same. Background technique [0002] In recent years, the advent of the information age has brought about the rapid development of displays that visually represent electrical information signals. In response, various flat panel display devices having excellent properties such as slimness, light weight, and low power consumption are being developed, and they are being actively used to replace conventional cathode ray tubes (CRTs). [0003] Specifically, examples of flat panel display devices include liquid crystal display (LCD) devices, plasma display panel (PDP) devices, field emission display (FED) devices, organic light emitting display (OLED) devices, and the like. [0004] Among them, an organic light emitting display device ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L51/50H01L51/54H01L27/32
CPCH10K85/623H10K50/19H10K2101/27C09K11/06H10K50/00H10K59/32
Inventor 皮性勳韩敞旭吴锡俊宋基旭金怠植崔喜栋金承炫田成秀宋致燏
Owner LG DISPLAY CO LTD