OLED (organic light emitting diode) device and display device

A device and electrode technology, applied in the field of OLED devices and display devices, can solve problems such as unbalanced carrier transport in a mixed transition layer, and achieve the effects of solving unbalanced carrier transport, improving efficiency, and improving OLED lifespan

Inactive Publication Date: 2014-03-26
BOE TECH GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The purpose of the present invention is to provide an OLED device and display device, which can solve the problem of unbalanced carrier transport in the mixed transition layer, thereby improving the lifespan of the OLED, reducing the operating voltage and improving the efficiency

Method used

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  • OLED (organic light emitting diode) device and display device
  • OLED (organic light emitting diode) device and display device
  • OLED (organic light emitting diode) device and display device

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Embodiment Construction

[0034] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0035] like image 3 As shown, the present invention provides an OLED device, comprising a first electrode 100, a second electrode 200, and an organic functional layer located between the first electrode 100 and the second electrode 200, in which the organic functional layer At least including a first part of the functional layer 310 formed by the first process and a second part of the functional layer 320 formed by the second process, a mixed transition layer is arranged between the first part of the functional layer 310 and the second part of the functional layer 320 400: The hybrid transition layer 400 is formed by at least a first host material and a second host material, wherein the hole mobility of the first h...

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Abstract

The invention provides an OLED (organic light emitting diode) device and a display device. The OLED device comprises a first electrode, a second electrode and an organic functional layer positioned between the first electrode and the second electrode. The organic functional layer at least comprises a first partial functional layer formed by a first production process and a second partial functional layer formed by a second production process. A mixed transition layer is arranged between the first partial functional layer and the second partial functional layer, and is made of a first main material and a second main material at least. The hole mobility of the first main material is higher than the electronic mobility thereof. The electronic mobility of the second main material is higher than the hole mobility thereof. By the OLED device, the problem of unbalanced carrier transmission of the mixed transition layer can be solved, so that service life of the OLED device is prolonged, operation voltage is reduced and efficiency is improved.

Description

technical field [0001] The invention relates to the field of display technology, in particular to an OLED device and a display device. Background technique [0002] OLED (Organic Light Emitting Diode, Organic Light Emitting Diode) display is a self-luminous display. Compared with LCD (liquid crystal display, liquid crystal display), OLED display does not require a backlight source, so OLED display is thinner and lighter. In addition, OLED display is also It has the advantages of high brightness, low power consumption, wide viewing angle, high response speed, and wide operating temperature range, and is increasingly used in various high-performance display fields. [0003] The light-emitting mechanism of OLED is that under the action of an external electric field, electrons and holes are respectively injected into the organic light-emitting material from the positive and negative poles, thereby migrating, recombining and decaying in the organic light-emitting material to emit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L51/50H01L51/54
CPCH10K30/865H10K50/11H10K2101/40H10K2101/10H10K50/131H10K50/80H10K71/00
Inventor 吴长晏
Owner BOE TECH GRP CO LTD
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