Organic light emitting diode and organic light emitting device comprising the same
By using a red luminescent material layer composed of specific compounds in OLEDs and optimizing dopants and host materials, the problems of insufficient OLED luminous efficiency and lifespan were solved, achieving a high-efficiency and long-life luminous effect.
CN115955898BActive Publication Date: 2026-06-26LG DISPLAY CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- LG DISPLAY CO LTD
- Filing Date
- 2022-09-30
- Publication Date
- 2026-06-26
Smart Images
Figure CN115955898B_ABST
Abstract
The present invention relates to an organic light emitting diode and an organic light emitting device each comprising in a light emitting material layer a first compound represented by the following formula, a second compound as a p-type host and a third compound as an n-type host. Thus, the organic light emitting diode and the organic light emitting device have advantages in driving voltage, luminous efficiency and lifetime.
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