US7710018B2
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substrate for light-emitting element, method for manufacturing the same, electrode for light-emitting element, and light-emitting element having the same
Assignee: Samsung SDI Germany GmbH
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Filing: 2005-09-20
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Granted: 2010-05-04
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Expires: 2025-09-20
Abstract
Abstract A substrate for a light-emitting element based on an organic light-emitting material and a method of manufacturing the same are provided. The substrate can be manufactured at low cost and has long lifespan, and an organic material used on the substrate and has high electrical conductivity. The substrate for a light-emitting element includes a base substrate with metal layer formed on the base substrate and a conductive polymer layer disposed on the metal layer.
Inventors
- 👤 Albrecht Uhlig
- 👤 Kerstin Nolte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:04
CPC Classifications
H; H10; H10K; H10K59/00; H10K59/80; H10K59/805; H10K59/8051; H10K59/80516; H10K50/00; H10K50/80; H10K50/805; H10K50/81; H10K50/814; H10K59/10; H10K59/221
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
102 words
An organic light-emitting element, comprising: an anode including a metal layer and a conductive polymer layer disposed on the metal layer; a cathode facing the anode; and an organic layer including a hole transport layer and a light-emitting layer, the organic layer being interposed between the anode and the cathode, wherein the conductive polymer layer contacts at least a first surface and a second surface of the metal layer, and wherein the first surface and the second surface are not coplanar surfaces, and wherein the metal layer is arranged between the conductive polymer layer and a buffer layer formed on a substrate.
Claim 2
Dependent Claim
102 words
An organic light-emitting element, comprising: an anode including a metal layer and a conductive polymer layer disposed on the metal layer; a cathode facing the anode; and an organic layer including a hole transport layer and a light-emitting layer, the organic layer being interposed between the anode and the cathode, wherein the conductive polymer layer contacts at least a first surface and a second surface of the metal layer, and wherein the first surface and the second surface are not coplanar surfaces, and wherein the metal layer is arranged between the conductive polymer layer and a buffer layer formed on a substrate.
Claim 3
Dependent Claim
27 words
The light-emitting element of claim 1 , wherein the metal layer comprises a metal selected from the group consisting of silver (Ag), copper (Cu), and gold (Au).
Claim 4
Dependent Claim
17 words
The light-emitting element of claim 1 , wherein the metal layer is formed in a line shape.
Claim 5
Dependent Claim
45 words
The light-emitting element of claim 3 , wherein the metal layer is about 50 nm to about 150 nm wide and about 10 nm to about 200 nm high, and wherein a distance between adjacent metal layers is about 100 μm to about 1500 μm.
Claim 6
Dependent Claim
25 words
The light-emitting element of claim 1 , wherein the conductive polymer layer comprises a polymer selected from the group consisting of polyethylene dioxythiophene and polyaniline.
Claim 7
Dependent Claim
28 words
The light-emitting element of claim 1 , wherein the conductive polymer layer is formed of a continuous layer that is about 30 nm to about 300 nm thick.
Claim 8
Dependent Claim
17 words
The light-emitting element of claim 1 , wherein conductive polymer layer is formed in a line shape.
Claim 9
Dependent Claim
45 words
The light-emitting element of claim 7 , wherein the polymer layer is about 100 nm to about 400 nm wide and about 10 nm to about 200 nm high, and wherein a distance between adjacent polymer layers is about 100 μm to about 1500 μm.
Claim 10
Dependent Claim
16 words
The light-emitting element of claim 7 , wherein the polymer layer partially covers the metal layer.
Claim 11
Dependent Claim
16 words
The light-emitting element of claim 7 , wherein the polymer layer completely covers the metal layer.
Claim 12
Dependent Claim
53 words
The light-emitting element of claim 1 , further comprising: a thin film transistor comprising a source electrode and a drain electrode; and an insulating layer disposed on the thin film transistor, wherein the anode is coupled to either the source electrode or the drain electrode via a contact hole in the insulating layer.
Claim 13
Dependent Claim
25 words
The light-emitting element of claim 11 , wherein the conductive polymer layer contacts the insulating layer and either the source electrode or the drain electrode.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 2013-05-03 | 2013-11-02 | 2014-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2017-05-03 | 2017-11-02 | 2018-05-04 | $3760.00 | Window Closed / Lapsed |
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