Organic metal compound and organic light-emitting device employing the same
US-2016164006-A1 · Jun 9, 2016 · US
Organic metal compound and organic light-emitting device employing the same
US9954189B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9954189-B2 |
| Application number | US-201514833976-A |
| Country | US |
| Kind code | B2 |
| Filing date | Aug 24, 2015 |
| Priority date | Dec 3, 2014 |
| Publication date | Apr 24, 2018 |
| Grant date | Apr 24, 2018 |
How to read this patent
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
- Title
What the patent document calls the invention.
- Abstract
A short plain-language summary of the technical disclosure.
- Assignees and inventors
Who owns or filed the patent and who is credited as inventor.
- Key dates
Filing, priority, publication, and grant dates set the timeline.
- First independent claim
The legal scope of protection — read this for what is actually claimed.
- CPC / IPC classifications
Technology tags used to group this patent with similar filings.
- Citations and related patents
Prior art links and similar publications in this corpus.
Abstract
Official abstract text for this publication.
Organic metal compounds and organic electroluminescence devices employing the same are provided. The organic metal compound has a chemical structure represented below: wherein R 1 , R 2 , R 3 , R 4 , and R 5 are independent and can be hydrogen, halogen, C 1-8 alkyl or C 1-8 alkoxy; L can be acetylacetone ligand, picolinic acid ligand, N, N′-diisopropylbenzamidinate, or N, N′-diisopropyl-diisopropyl-guanidinate.
First claim
Opening claim text (preview).
What is claimed is: 1. An organic metal compound, having a structure as defined by Formula (I): wherein, R 1 , R 2 , R 3 , R 4 , and R 5 are independently hydrogen, halogen, C 1-8 alkyl group, or C 1-8 alkoxy group; L is acetylacetone ligand, picolinic acid ligand, N, N′-diisopropylbenzamidinate ligand, or N, N′-diisopropyl-diisopropyl-guanidinate ligand. 2. The organic metal compound as claimed in claim 1 , wherein the halogen is fluorine. 3. The organic metal compound as claimed in claim 1 , wherein the C 1-8 alkyl group is tert-butyl group. 4. The organic metal compound as claimed in claim 1 , wherein the organic metal compound has a structure as defined by Formula (II): wherein, R 1 and R 5 are independently hydrogen, halogen, C 1-8 alkyl group, or C 1-8 alkoxy group, R 3 is halogen, C 1-8 alkyl group, or C 1-8 alkoxy group; L is acetylacetone ligand, picolinic acid ligand, N, N′-diisopropylbenzamidinate ligand, or N, N′-diisopropyl-diisopropyl-guanidinate ligand. 5. The organic metal compound as claimed in claim 4 , wherein the halogen is fluorine. 6. The organic metal compound as claimed in claim 4 , wherein the C 1-8 alkyl group is tert-butyl group. 7. The organic metal compound as claimed in claim 1 , wherein the organic metal compound has a structure as defined by Formula (III): wherein, R 1 is hydrogen, halogen, C 1-8 alkyl group, or C 1-8 alkoxy group, R 3 is halogen, C 1-8 alkyl group, or C 1-8 alkoxy group; L is acetylacetone ligand, picolinic acid ligand, N, N′-diisopropylbenzamidinate ligand, or N, N′-diisopropyl-diisopropyl-guanidinate ligand. 8. The organic metal compound as claimed in claim 7 , wherein the halogen is fluorine. 9. The organic metal compound as claimed in claim 7 , wherein the C 1-8 alkyl group is tert-butyl group. 10. An organic light-emitting device, comprising: a pair of electrodes; and an organic light-emitting element disposed between the electrodes, wherein the organic light-emitting element comprises an organic metal compound having a structure as defined by Formula (I): wherein, R 1 , R 2 , R 3 , R 4 , and R 5 are independently hydrogen, halogen, C 1-8 alkyl group, or C 1-8 alkoxy group; L is acetylacetone ligand, picolinic acid ligand, N, N′-diisopropylbenzamidinate ligand, or N, N′-diisopropyl-diisopropyl-guanidinate ligand. 11. The organic light-emitting device as claimed in claim 10 , wherein the organic metal compound has a structure as defined by Formula (II): wherein, R 1 and R 5 are independently hydrogen, halogen, C 1-8 alkyl group, or C 1-8 alkoxy group, R 3 is halogen, C 1-8 alkyl group, or C 1-8 alkoxy group; L is acetylacetone ligand, picolinic acid ligand, N, N′-diisopropylbenzamidinate ligand, or N, N′-diisopropyl-diisopropyl-guanidinate ligand. 12. The organic light-emitting device as claimed in claim 10 , wherein the organic metal compound has a structure as defined by Formula (III): wherein, R 1 is hydrogen, halogen, C 1-8 alkyl group, or C 1-8 alkoxy group; R 3 is halogen, C 1-8 alkyl group, or C 1-8 alkoxy group; L is acetylacetone ligand, picolinic acid ligand, N, N′-diisopropylbenzamidinate ligand, or N, N′-diisopropyl-diisopropyl-guanidinate ligand. 13. The organic light-emitting device as claimed in claim 10 , wherein the halogen is fluorine. 14. The organic light-emitting device as claimed in claim 10 , wherein the C 1-8 alkyl group is tert-butyl group. 15. An organic light-emitting device, comprising: a pair of electrodes; and an organic light-emitting element disposed between the electrodes, wherein the organic light-emitting element comprises a light-emitting layer, and the light-emitting layer comprises a host material and a dopant material, and wherein the dopant material has a structure as defined by Formula (I): wherein, R 1 , R 2 , R 3 , R 4 , and R 5 are independently hydrogen, halogen, C 1-8 alkyl group, or C 1-8 alkoxy group; L is acetylacetone ligand, picolinic acid ligand, N, N′-diisopropylbenzamidinate ligand, or N, N′-diisopropyl-diisopropyl-guanidinate ligand. 16. The organic light-emitting device as claimed in claim 15 , wherein the dopant material has a structure as defined by Formula (II): wherein, R 1 and R 5 are independently hydrogen, halogen, C 1-8 alkyl group, or C 1-8 alkoxy group, R 3 is halogen, C 1-8 alkyl group, or C 1-8 alkoxy group; L is acetylacetone ligand, picolinic acid ligand, N, N′-diisopropylbenzamidinate ligand, or N, N′-diisopropyl-diisopropyl-guanidinate ligand. 17. The organic light-emitting device as claimed in claim 15 , wherein the dopant material has a structure as defined by Formula wherein, R 1 is hydrogen, halogen, C 1-8 alkyl group, or C 1-8 alkoxy group, R 3 is halogen, C 1-8 alkyl group, or C 1-8 alkoxy group; L is acetylacetone ligand, picolinic acid ligand, N, N′-diisopropylbenzamidinate ligand, or N, N′-diisopropyl-diisopropyl-guanidinate ligand. 18. The organic light-emitting device as claimed in claim 15 , wherein the halogen is fluorine. 19. The organic light-emitting device as claimed in claim 15 , wherein the C 1-8 alkyl group is tort-butyl group. 20. The organic light-emitting device as claimed in claim 15 , wherein the organic light-emitting element emits red light or orange light under a bias voltage.
Assignees
Inventors
Classifications
Iridium compounds · CPC title
with sulfur · CPC title
of the platinum group, i.e. Os, Ir, Pt, Ru, Rh or Pd · CPC title
Non-condensed systems · CPC title
- C09K11/06Primary
containing organic luminescent materials · CPC title
Patent family
Related publications grouped by family.
External sources
Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US9954189B2 cover?
- Organic metal compounds and organic electroluminescence devices employing the same are provided. The organic metal compound has a chemical structure represented below: wherein R 1 , R 2 , R 3 , R 4 , and R 5 are independent and can be hydrogen, halogen, C 1-8 alkyl or …
- Who is the assignee on this patent?
- Ind Tech Res Inst
- What technology area does this patent fall under?
- Primary CPC classification C09K11/06. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Apr 24 2018 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 5 related publications on this page (citations in our corpus or others sharing the same primary CPC).