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A kind of oled device, display panel and display device

A device and electron transfer technology, applied in the field of OLED devices, can solve problems such as poor stability and low luminous efficiency

Active Publication Date: 2022-05-13
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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  • A kind of oled device, display panel and display device
  • A kind of oled device, display panel and display device
  • A kind of oled device, display panel and display device

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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] like 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) and a...

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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 includes an anode, a light-emitting layer, and a cathode; it also includes: a charge transfer and hole transport structure, located between the anode and the light-emitting layer, including a first photo-induced electron transfer material and a hole transport material, and the first photo-induced electron transfer material configured to undergo intermolecular charge transfer between the hole-transport material and the charge-transfer material under photoexcitation; and / or, a charge-transfer and electron-transport structure located between the cathode and the light-emitting layer, including a second light-induced electron transfer material and electron The transport material, the second photo-induced electron transfer material is configured to undergo intermolecular charge transfer between the electron transport material and the photo-excited material. The above-mentioned OLED device can improve the luminous performance of the device.

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 Patents(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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