White OLED having multiple white electroluminescence units
AssigneeEastman Kodak Company
InventorsLiang-Sheng Liao, Tukaram Hatwar, Kevin Klubek, Ching Tang
Life of this patent
Estimating the term…
Abstract
A tandem white OLED device includes an anode, a cathode, and a plurality of organic electroluminescence units disposed between the anode and the cathode, wherein each organic electroluminescence unit includes at least one light-emitting layer, and wherein each organic electroluminescence unit emits white light. The device also includes an intermediate connector disposed between each adjacent organic electroluminescence unit, wherein the intermediate connector includes at least two different layers, and wherein the intermediate connector has no direct connection to an external power source.
Claims81
A tandem white OLED device comprising:
- a) an anode;
- b) a cathode;
- c) a plurality of organic electroluminescence units disposed between the anode and the cathode, wherein each organic electroluminescence unit includes at least one light-emitting layer, and wherein each organic electroluminescence unit emits white light;
- and
- d) an intermediate connector disposed between each adjacent organic electroluminescence unit, wherein the intermediate connector includes at least two different layers, and wherein the intermediate connector has no direct connection to an external power source.
A tandem white OLED device comprising:
- a) an anode;
- b) a cathode;
- c) a plurality of organic electroluminescence units disposed between the anode and the cathode, wherein each organic electroluminescence unit includes at least one light-emitting layer, and wherein each organic electroluminescence unit emits white light;
- and
- d) an intermediate connector disposed between each adjacent organic electroluminescence unit, wherein the intermediate connector contains two different organic layers, and wherein the intermediate connector has no direct connection to an external power source.
Dependencies are inferred from the claim text.