White OLEDs with a color-compensated electroluminescent unit
First Claim
1. A tandem white OLED comprising:
- a) an anode;
b) a cathode;
c) at least one broadband electroluminescent unit disposed between the anode and the cathode, wherein the broadband electroluminescent unit includes at least one light-emitting layer and produces at least one color component having an intensity less than desired;
d) at least one color-compensating electroluminescent unit disposed between the anode and the cathode, wherein the color-compensating electroluminescent unit is selected to produce the at least one color component and to increase the color component intensity; and
e) an intermediate connector disposed between each adjacent electroluminescent unit, wherein the intermediate connector has no direct connection to an external power source.
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Accused Products
Abstract
A tandem white OLED includes an anode; a cathode; at least one broadband electroluminescent unit disposed between the anode and the cathode, wherein the broadband electroluminescent unit includes at least one light-emitting layer and produces at least one color component having an intensity less than desired; at least one color-compensating electroluminescent unit disposed between the anode and the cathode, wherein the color-compensating electroluminescent unit is selected to produce the at least one color component and to increase the color component intensity; and an intermediate connector disposed between each adjacent electroluminescent unit, wherein the intermediate connector has no direct connection to an external power source.
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Citations
27 Claims
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1. A tandem white OLED comprising:
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a) an anode;
b) a cathode;
c) at least one broadband electroluminescent unit disposed between the anode and the cathode, wherein the broadband electroluminescent unit includes at least one light-emitting layer and produces at least one color component having an intensity less than desired;
d) at least one color-compensating electroluminescent unit disposed between the anode and the cathode, wherein the color-compensating electroluminescent unit is selected to produce the at least one color component and to increase the color component intensity; and
e) an intermediate connector disposed between each adjacent electroluminescent unit, wherein the intermediate connector has no direct connection to an external power source. - View Dependent Claims (2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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3. A tandem white-OLED comprising:
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a) an anode;
b) a cathode;
c) two broadband electroluminescent units disposed between the anode and the cathode, wherein each of the broadband electroluminescent units includes at least one light-emitting layer and produces at least one color component having an intensity less than desired;
d) one color-compensating electroluminescent unit disposed between the anode and the cathode, wherein the color-compensating electroluminescent unit is selected to produce the at least one color component and to increase the color component intensity; and
e) two intermediate connectors, each disposed between each adjacent electroluminescent unit, wherein the intermediate connector has no direct connection to an external power source.
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Specification