Back to results
US 2008/0199727 A1Published application
Buffer Layer
AssigneeOled-T Limited
InventorsPoopathy Kathirgamanathan, Subramaniam Ganeshamurugan, Muttulingam Kumaraverl, Arumugam Partheepan, Gnanamoly Paramaswara
Life of this patent
Estimating the term…
Abstract
Electroluminescent devices with an improved buffer layer on the anode, wherein the buffer material is selected from metal tetra-p-tolyl porphonato complexes, and bianthryl compounds of Formula (I) or (II).
Claims19
-34. (canceled)
An electroluminescent device comprising:
- (i) a first electrode which serves as an anode;
- (ii) a buffer layer incorporating a buffer material;
- (iii) a layer of an electroluminescent material;
- and (iv) a second electrode which serves as a cathode, wherein the buffer material is selected from the group consisting of metal tetra-p-tolyl porphonato complexes, and compounds having one of the following two general chemical formulas:
1 more element
Dependencies are inferred from the claim text.