Organic electroluminescent device and method for fabricating the same
AssigneeLG Display Co., Ltd.
InventorsJae Yoon Lee, Kang Ju Lee, Se Young Park
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Abstract
An organic electroluminescent device and a method of fabricating the same are provided. The organic electroluminescent device includes a first substrate, a second substrate, a thin film transistor formed on the first substrate, a light emitting diode comprising first and second electrodes and an organic luminescent layer that are formed on the thin film transistor, and first and second passivation layers formed on the first substrate on which the light emitting diode is formed.
Claims9
An organic electroluminescent device comprising:
- a first substrate;
- a second substrate;
- a thin film transistor on the first substrate;
- a light emitting diode comprising first and second electrodes and an organic luminescent layer on the first substrate;
- a buffer layer for separating the organic electroluminescent layer in a sub-pixel unit;
- and
- first and second passivation layers on the first substrate on which the light emitting diode is formed,
- wherein the buffer layer is located on the first electrode and has a central region formed in an undercut shape for exposing the first electrode.
2-3. (canceled)
A method of fabricating an organic electroluminescent device, the method comprising:
- providing a substrate;
- forming a thin film transistor on the substrate;
- forming a planarization layer on the substrate on which the thin film transistor is formed;
- forming a contact hole through the planarization layer;
- forming a first electrode on the planarization layer;
- forming a buffer layer on the first electrode for separating the sub-pixel region;
- forming a light emitting diode by forming an organic electroluminescent layer and a second electrode on the first electrode on which the buffer layer is formed;
- and
- sequentially forming first and second passivation layers on the substrate on which the light emitting diode is formed.
Dependencies are inferred from the claim text.