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US 5,844,363 AGranted
Vacuum deposited, non-polymeric flexible organic light emitting devices
AssigneeThe Trustees of Princeton Univ.
InventorsGong Gu, Paul Burrows, Stephen R. Forrest
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Abstract
An organic light emitting device (OLED) is disclosed for which the hole transporting layer, the electron transporting layer and/or the emissive layer, if separately present, is comprised of a non-polymeric material. A method for preparing such OLED's using vacuum deposition techniques is further disclosed.
Claims19
A flexible organic light emitting device comprising:
- a flexible substrate layer and:
- a) a hole transporting layer comprised of a non-polymeric material or
- b) an electron transporting layer comprised of a nonpolymeric material.
A flexible organic light emitting device comprising:
- a flexible substrate,
- an anode layer on said flexible substrate,
- a hole transporting layer on said anode layer,
- an electron transporting layer on said hole transporting layer and
- a cathode layer on said electron transporting layer,
- wherein said hole transporting layer or said electron transporting layer is comprised of a non-polymeric material.
3 more elements
A flexible organic light emitting device comprising:
- a flexible substrate,
- a cathode layer on said flexible substrate,
- a hole transporting layer on said cathode layer,
- an electron transporting layer on said hole transporting layer and an anode layer on said electron transporting layer, wherein said hole transporting layer or said electron transporting layer is comprised of a non-polymeric material.
1 more element
A flexible organic light emitting device comprising:
- a flexible, transparent polyester substrate,
- an anode layer on said flexible, transparent polyester substrate, said anode layer being comprised of indium tin oxide;
- a hole transporting layer on said anode layer, said hole transporting layer being comprised of N,N'-diphenyl-N,N'-bis(3-methylpheny)1-1'biphenyl-4,4'diamine;
- an electron transporting layer on said hole transporting layer, said electron transporting layer being comprised of tris-(8-hydroxyquinoline) aluminum;
- and
- a cathode layer on said electron transporting layer.
3 more elements
Dependencies are inferred from the claim text.