Organic electroluminescent device with electron injecting electrode containing ALLi alloy
First Claim
1. An organic electroluminescent device comprising a hole injecting electrode, an electron injecting electrode, and at least one organic layer disposed between the electrodes,said electron injecting electrode being comprised of an AlLi alloy containing 0.4 to 14 at % of lithium deposited by a sputtering process.
1 Assignment
0 Petitions
Accused Products
Abstract
The invention provides an organic EL device comprising a hole injecting electrode, and at least one organic layer disposed between the electrodes, wherein the electron injecting electrode is comprised of an AlLi alloy containing 0.4-14 at % of lithium deposited by a sputtering process. This improves the film formability and adhesion at the interface between the electron injecting electrode and the organic layer, realizing an organic EL device featuring a high luminance, high efficiency, long lifetime, and high display quality.
-
Citations
18 Claims
-
1. An organic electroluminescent device comprising a hole injecting electrode, an electron injecting electrode, and at least one organic layer disposed between the electrodes,
said electron injecting electrode being comprised of an AlLi alloy containing 0.4 to 14 at % of lithium deposited by a sputtering process.
- 11. A method for preparing an electroluminescent device comprising a hole injecting electrode, an electron injecting electrode, and at least one organic layer disposed between the electrodes, wherein said electron injecting electrode is deposited by a sputtering process using an AlLi alloy as the target and said electron injecting electrode comprises an AlLi alloy containing 0.4 to 14 at % Li.
Specification