Organic light emitting device
By using compounds with specific chemical formulas as the light-emitting layer material in organic light-emitting devices to form excitocomplexes, the problems of insufficient driving voltage, efficiency, and lifetime are solved, and performance is improved.
CN115606335BActive Publication Date: 2026-09-11LG CHEM LTD
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Patent Information
- Application Number
- CN202180035674.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Priority Date
- 2021-08-03
- Filing Date
- 2021-08-04
- Publication Date
- 2026-09-11
- Estimated Expiration
- 2041-08-04
AI Technical Summary
Technical Problem
Existing organic light-emitting devices have shortcomings in terms of driving voltage, efficiency, and lifetime.
Method used
Compounds containing specific chemical formulas are used as light-emitting layer materials, including compounds based on indolocarbazole, compounds based on biscarbazole, and compounds in which carbazole and triazine are bonded at the ortho position, to form excitocomplexes to improve device performance.
Benefits of technology
This improved the driving voltage, efficiency, and lifespan of organic light-emitting devices.
✦ Generated by Eureka AI based on patent content.
Abstract
The present invention provides an organic light emitting device comprising: an anode; a cathode; and an emissive layer disposed between the anode and the cathode, wherein the emissive layer comprises a plurality of host compounds.
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