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US 2006/0232201 A1Published application
Carbazolyl-functional cyclosiloxane silicone composition and organic light-emitting diode
AssigneeDow Corning Corporation
InventorShihe Xu
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Abstract
A curable carbazolyl-functional cyclosiloxane containing N-carbazolylalkyl groups and hydrolysable groups, a silicone composition containing the curable carbazolyl-functional cyclosiloxane, a cured carbazolyl-functional polysiloxane prepared by curing the silicone composition, and an organic light-emitting diode (OLED) containing a carbazolyl-functional polysiloxane.
Claims7
A curable carbazolyl-functional cyclosiloxane having the formula:
- wherein R1 is C1 to C10 hydrocarbyl free of aliphatic unsaturation;
- R2 is —CH2—CHR3— or —CH2—CHR3—Y—, wherein Y is a divalent organic group and R3 is R1 or —H;
- Z is a hydrolysable group;
- m is an integer from 2 to 10;
- n is 2, 3, 4, 5, or 6;
- and p is 0 or 1.
3 more elements
A silicone composition comprising:
- (A) a curable carbazolyl-functional cyclosiloxane having the formula:
- wherein R1 is C1 to C10 hydrocarbyl free of aliphatic unsaturation, R2 is —CH2—CHR3— or —CH2—CHR3—Y—, wherein Y is a divalent organic group and R3 is R1 or —H, Z is a hydrolysable group, m is an integer from 2 to 10, n is 2, 3, 4, 5, or 6, and p is 0 or 1;
- (B) a condensation catalyst;
- and
- (C) an organic solvent.
2 more elements
An organic light-emitting diode comprising:
- a substrate having a first opposing surface and a second opposing surface;
- a first electrode layer overlying the first opposing surface;
- a light-emitting element overlying the first electrode layer, the light emitting element comprising
- a hole-transport layer and
- an electron-transport layer, wherein the hole-transport layer and the electron-transport layer lie directly on one another, and one of the hole-transport layer and the electron-transport layer comprises a carbazolyl-functional polysiloxane selected from
- a cured carbazolyl-functional polysiloxane prepared by curing a silicone composition comprising (A) at least one curable carbazolyl-functional cyclosiloxane having the formula:
- wherein R1 is C1 to C10 hydrocarbyl free of aliphatic unsaturation, R2 is —CH2—CHR3— or —CH2—CHR3—Y—, wherein Y is a divalent organic group and R3 is R1 or —H, Z is a hydrolysable group, m is an integer from 2 to 10, n is 2, 3, 4, 5, or 6, and p is 0 or 1, (B) a condensation catalyst, and (C) an organic solvent, and
- at least one carbazolyl-functional cyclosiloxane having the formula:
- wherein R1 is C1 to C10 hydrocarbyl free of aliphatic unsaturation, m is an integer from2to 10, and n is 2, 3, 4, 5, or 6;
- and
- a second electrode layer overlying the light-emitting element.
8 more elements
Dependencies are inferred from the claim text.