Light-emitting component
First Claim
1. A light-emitting device comprising an arrangement of layers on a substrate, wherein the arrangement of layers comprises an anode contact and a cathode contact which are in electrical contact with a light-emitting layer stack, wherein the light-emitting layer stack is arranged between the anode contact and the cathode contact, and the light-emitting layer stack comprises a polymer layer comprising a polymer material, and a first low-molecular layer of vacuum-deposited small molecules of a first organic material that is depositable by means of vacuum evaporation, wherein the first low-molecular layer is arranged adjacent to the cathode contact or the anode contact, and wherein the small molecules of the first low-molecular layer are:
- donor molecules with a maximum oxidation potential versus Fc/Fc+ (ferrocene/ferrocenium redox couple) of approximately −
1.5 V, if the first low-molecular layer is arranged adjacent to the cathode contact, oracceptor molecules with a minimum reduction potential versus Fc/Fc+ (ferrocene/ferrocenium redox couple) of approximately −
0.3 V, if the first low-molecular layer is arranged adjacent to the anode contact.
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Accused Products
Abstract
The invention relates to a light-emitting device, in particular a light-emitting diode, with an arrangement of layers on a substrate, wherein the arrangement of layers has an anode contact and a cathode contact which are in electrical contact with a light-emitting layer stack arranged between the anode contact and the cathode contact which, on its part, comprises a polymer layer consisting of a polymer material and a low-molecular layer of vacuum-deposited small molecules of an organic material, and wherein the small molecules of the low-molecular layer are formed as donor molecules with an oxidation potential versus Fc/Fc+ (ferrocene/ferrocenium redox couple) of maximum approx. −1.5 V, if the low-molecular layer is arranged adjacent to the cathode contact, and as acceptor molecules with a reduction potential versus Fc/Fc+ (ferrocene/ferrocenium redox couple) of minimum approx. −0.3 V if the low-molecular layer is arranged adjacent to the anode contact.
124 Citations
34 Claims
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1. A light-emitting device comprising an arrangement of layers on a substrate, wherein the arrangement of layers comprises an anode contact and a cathode contact which are in electrical contact with a light-emitting layer stack, wherein the light-emitting layer stack is arranged between the anode contact and the cathode contact, and the light-emitting layer stack comprises a polymer layer comprising a polymer material, and a first low-molecular layer of vacuum-deposited small molecules of a first organic material that is depositable by means of vacuum evaporation, wherein the first low-molecular layer is arranged adjacent to the cathode contact or the anode contact, and wherein the small molecules of the first low-molecular layer are:
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donor molecules with a maximum oxidation potential versus Fc/Fc+ (ferrocene/ferrocenium redox couple) of approximately −
1.5 V, if the first low-molecular layer is arranged adjacent to the cathode contact, oracceptor molecules with a minimum reduction potential versus Fc/Fc+ (ferrocene/ferrocenium redox couple) of approximately −
0.3 V, if the first low-molecular layer is arranged adjacent to the anode contact. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34)
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Specification