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OLED device, display panel and display device

A device, electron transfer technology

Active Publication Date: 2019-05-10
BOE TECH GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the key problems hindering the practical application and marketization of OLED are its low luminous efficiency and poor stability.

Method used

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  • OLED device, display panel and display device
  • OLED device, display panel and display device
  • OLED device, display panel and display device

Examples

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Embodiment Construction

[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0033] Such as Figure 1-Figure 3 , Figure 5-Figure 8 As shown, the embodiment of the present invention provides an OLED device, including an anode 1, a light-emitting layer 3 and a cathode 2 stacked in sequence; and also includes:

[0034] The charge transfer and hole transport structure 4 is located between the anode 1 and the light-emitting layer 3, including a first photoinduced electron transfer material (such as the first electron transfer layer 42) an...

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Abstract

The invention relates to the technical field of OLEDs, and discloses an OLED device, a display panel and a display device. The OLED device comprises an anode, a light emitting layer, a cathode, a charge transfer and hole transmission structure and / or a charge transfer and electron transmission structure, wherein the charge transfer and hole transmission structure is located between the anode and the light emitting layer and comprises a first photo-induction electron transfer material and a hole transmission material; the first photo-induction electron transfer material is configured to generate intermolecular charge transfer with the hole transmission material under optical excitation; the charge transfer and electron transmission structure is located between the cathode and the light emitting layer and comprises a second photo-induction electron transfer material and an electron transmission material; and the second photo-induction electron transfer material is configured to generateintermolecular charge transfer with the electron transmission material under optical excitation. The OLED device is capable of improving the light emitting performance of devices.

Description

technical field [0001] The invention relates to the technical field of OLED devices, in particular to an OLED device, a display panel and a display device. Background technique [0002] Organic electroluminescent devices (OLEDs) have low driving voltage, high luminous brightness, wide viewing angle, fast response speed, and simple manufacturing process. At present, the key problems hindering the practical application and marketization of OLED are its low luminous efficiency and poor stability. Contents of the invention [0003] The invention discloses an OLED device, a display panel and a display device, aiming at improving the luminous performance of the OLED device. [0004] To achieve the above object, the present invention provides the following technical solutions: [0005] An OLED device, comprising an anode, a light-emitting layer and a cathode which are stacked in sequence; the OLED device also includes: [0006] A charge transfer and hole transport structure, l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L51/50H10K99/00
CPCH10K85/621H10K85/30H10K50/15H10K50/155H10K50/165H10K50/16H10K50/00H10K59/50
Inventor 郑克宁高营昌
Owner BOE TECH GRP CO LTD
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