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1. WO2020178804 - MATERIALS FOR FORMING A NUCLEATION-INHIBITING COATING AND DEVICES INCORPORATING SAME

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[ EN ]

WHAT IS CLAIMED IS:

1. An opto-electronic device comprising:

a nucleating inhibiting coating (NIC) disposed on a surface of the device in a first portion of a lateral aspect thereof; and

a conductive coating disposed on a surface of the device in a second portion of the lateral aspect thereof;

wherein an initial sticking probability for forming the conductive coating onto a surface of the NIC in the first portion, is substantially less than the initial sticking probability for forming the conductive coating onto the surface in the second portion, such that the first portion is substantially devoid of the conductive coating; and

wherein the NIC comprises a compound having a formula selected from a group consisting of Formulae (I), (II), (III), (IV), (V), (VI), (VII), and (VIII)


Ar1 represents a substituted or unsubstituted aryl group having 6 to 50 carbon atoms; a substituted or unsubstituted arylene group having 6 to 60 carbon atoms; a substituted or unsubstituted heteroaryl group having 4 to 50 carbon atoms; or a substituted or unsubstituted heteroarylene group having 5 to 60 carbon atoms;

Ra represents one or more substituent groups, which are independently: H, D (deutero), F, Cl, alkyl including C1-C6 alkyl, cycloalkyl, silyl, fluoroalkyl, arylalkyl, aryl, heteroaryl, alkoxy, haloalkoxy, fluoroalkoxy, fluoroaryl, and trifluoraryl;

Rb represents one or more substituent groups, which are independently: H, D (deuteron), F, Cl, alkyl including C1-C6 alkyl, cycloalkyl, silyl, fluoroalkyl, arylalkyl, aryl, haloaryl, heteroaryl, alkoxy, haloalkoxy, fluoroalkoxy, fluoroaryl, and trifluoroaryl;

Ar2 represents a substituted or unsubstituted arylene group having 6 to 50 carbon atoms, or a substituted or unsubstituted heteroarylene group having 4 to 50 carbon atoms;

Ar3 represents a substituted or unsubstituted aryl group having 6 to 50 carbon atoms; a substituted or unsubstituted arylene group having 6 to 60 carbon atoms; a substituted or unsubstituted heteroaryl group having 4 to 50 carbon atoms; or a substituted or unsubstituted heteroarylene group having 5 to 60 carbon atoms;

Ar4 represents a substituted or unsubstituted arylene group having 6 to 50 carbon atoms, or a substituted or unsubstituted heteroarylene group having 4 to 50 carbon atoms;

Ar5 represents a substituted or unsubstituted aryl group having 6 to 50 carbon atoms; a substituted or unsubstituted arylene group having 6 to 60 carbon atoms; a substituted or unsubstituted heteroaryl group having 4 to 50 carbon atoms; or a substituted or unsubstituted heteroarylene group having 5 to 60 carbon atoms;

Ar6 represents a substituted or unsubstituted aryl group having 6 to 50 carbon atoms; a substituted or unsubstituted haloaryl group having 6 to 50 carbon atoms; a substituted or unsubstituted arylene group having 6 to 60 carbon atoms; or a substituted or unsubstituted heteroaryl group having 5 to 60 carbon atoms; and

Ar7 represents a substituted or unsubstituted aryl group having 6 to 50 carbon atoms; a substituted or unsubstituted haloaryl group having 6 to 50 carbon atoms; a substituted or unsubstituted arylene group having 6 to 60 carbon atoms; or a substituted or unsubstituted heteroaryl group having 5 to 60 carbon atoms.

2. The opto-electronic device of claim 1 , wherein the first portion comprises at least one emissive region.

3. The opto-electronic device of claim 1 or 2, wherein the second portion comprises at least a part of a non-emissive region.

4. The opto-electronic device of claim 2 or 3, wherein a thickness of the NIC in the at least one emissive region of the first portion is modulated to adjust an optical microcavity effect thereof.

5. The opto-electronic device of any one of claims 1 through 4, further comprising a first electrode, a second electrode and a semiconducting layer between the first electrode and the second electrode, wherein the second electrode extends between the NIC and the semiconducting layer in the first portion.

6. The opto-electronic device of claim 5, wherein the conductive coating is electrically coupled to the second electrode.

7. The opto-electronic device of claim 5 or 6, wherein the conductive coating coats at least a part of the second electrode in the second portion.

8. The opto-electronic device of any one of claims 5 through 7, comprising at least one intermediate coating between the second electrode and the conductive coating along at least a part thereof.

9. The opto-electronic device of claim 8, wherein the intermediate coating comprises a nucleation promoting coating (NPC).

10. The opto-electronic device of claim 8 or 9, wherein the intermediate coating comprises an NIC that has been processed to substantially increase the initial sticking probability for forming the conductive coating onto the surface thereof.

11. The opto-electronic device of claim 10, wherein the intermediate coating has been processed by exposure to radiation.

12. The opto-electronic device of any one of claims 2 through 11 , wherein at least a second part of the second portion overlaps at least a first part of the first portion, wherein a cross-sectional thickness of the conductive coating in the second part is less than a cross-sectional thickness of the conductive coating in a remaining part of the second portion.

13. The opto-electronic device of claim 12, wherein the conductive coating is disposed over the NIC along at least a section of the first portion proximate to the first part.

14. The opto-electronic device of claim 13, wherein the conductive coating is spaced apart from the NIC in a cross-sectional aspect.

15. The opto-electronic device of claim 12 or 14, wherein the conductive coating abuts the NIC at a boundary between the first part and the second portion.

16. The opto-electronic device of claim 15, wherein the conductive coating forms a contact angle with the NIC at the boundary.

17. The opto-electronic device of claim 16, wherein the contact angle exceeds 10 degrees.

18. The opto-electronic device of claim 16 or 17, wherein the contact angle exceeds 90 degrees.

19. The opto-electronic device of any one of claims 2 through 11 , wherein at least a first part of the first portion overlaps at least a second part of the second portion.

20. The opto-electronic device of claim 19, wherein the NIC is disposed on the surface of the device in the second part and the conductive coating is disposed over the NIC therein.

21. The opto-electronic device of claim 20, wherein the conductive coating is spaced apart from the NIC in a cross-sectional aspect.

22. The opto-electronic device of any one of claims 2 through 21 , wherein the second part extends between the first part and a third part of the second portion that includes the at least one emissive region.

23. The opto-electronic device of claim 22, wherein the at least one emissive region of the third part comprises a first electrode, a second electrode electrically coupled to the conductive coating and a semiconducting layer between the first electrode and the second electrode, wherein the second electrode extends between the NIC and the semiconducting layer in the third part.

24. The opto-electronic device of any one of claims 2 through 23, wherein the conductive coating is electrically coupled to an auxiliary electrode.

25. The opto-electronic device of claim 24 wherein the conductive coating is in physical contact with the auxiliary electrode.

26. The opto-electronic device of claim 24 or 25, wherein the auxiliary electrode lies in the first part.

27. The opto-electronic device of any one of claims 5 through 11 , wherein the second portion comprises at least one additional emissive region.

28. The opto-electronic device of claim 27, wherein at least one of the additional emissive regions of the second portion of the device comprises a first electrode, a second electrode and a semiconducting layer between the first electrode and the second electrode, wherein the second electrode comprises the conductive coating.

29. The opto-electronic device of claim 27 or 28, wherein a wavelength of light emitted from the at least one additional emissive region of the second portion of the device differs from a wavelength of light emitted from the at least one emissive region of the first portion of the device.

30. The opto-electronic device of any one of claims 1 through 23, wherein the conductive coating comprises an auxiliary electrode.

31. The opto-electronic device of claim 1 , wherein the second portion comprises at least one emissive region.

32. The opto-electronic device of claim 31 , wherein the first portion comprises at least a part of a non-emissive region.

33. The opto-electronic device of claim 31 or 32, wherein the first portion is substantially light-transmissive therethrough.

34. The opto-electronic device of any one of claims 31 through 33, further comprising a first electrode, a second electrode and a semiconducting layer between the first electrode and the second electrode, wherein the second electrode extends between the NIC and the semiconducting layer in the first portion.

35. The opto-electronic device of claim 34, wherein the second electrode extends between the conductive coating and the semiconducting layer in the second portion.

36. The opto-electronic device of any one of claims 31 through 35, further comprising a first electrode, a semiconducting layer between the first electrode and the conductive coating, wherein the conductive coating comprises a second electrode of the device.

37. The opto-electronic device of any one of claims 1 through 36, wherein Ar1 is selected from the group consisting of 1 -naphthyl; 2-naphthyl; 1 -phenanthryl; 2-phenanthryl; 10-phenanthryl; 9-phenanthryl; 1-anthracenyl; 2-anthracenyl; 3-anthracenyl; 9-anthracenyl; benzanthracenyl; pyrenyl; pyridine; quinoline; isoquinoline; pyrazine; quinoxaline; arcidine; pyrimidine; quinazoline;pyridazine; cinnoline and phthalzine.

38. The opto-electronic device of any one of claims 1 through 37, wherein Ra is selected from the group consisting of H, D, F, Cl, methyl, methoxy, ethyl, t-butyl, fluoromethyl, difluoromethyl, trifluoromethyl, fluoralkoxy,difluoromethoxy,

trifluoromethoxy, fluoroethyl, polyfluoroethyl, fluorophenyl, trifluorophenyl, and trifluoromethoxyphenyl.

39. The opto-electronic device of any one of claims 1 through 38, wherein Rb is selected from the group consisting of H, D, F, Cl, methyl, methoxy, ethyl, t-butyl, fluoromethyl, difluoromethyl, trfluoromethyl, fluoroalkoxy, diflouromethoxy,

trifluoromethoxy, fluoroethyl, polyfluoroethyl, fluorophenyl, trifluorophenyl, and trifluoromethoxyphenyl.

40. The opto-electronic device of any one of claims 1 through 39, wherein Ar2 is selected from the group consisting of phenylene; naphthylene; anthracylene;

phenanthrylene; benzanthracylene; and pyrenylene.

41. The opto-electronic device of any one of claims 1 through 40, wherein Ar3 is selected from the group consisting of 1 -naphthyl; 2-naphthyl; 1 -phenanthryl; 2-phenanthryl; 10-phenanthryl; 9-phenanthryl; 1-anthracenyl; 2-anthracenyl; 3-anthracenyl; 9-anthracenyl; benzanthracenyl; pyrenyl; pyridine; quinoline; isoquinoline; pyrazine; quinoxaline; arcidine; pyrimidine; quiazoline; pyridazine; cinnoline; and phthalazine.

42. The opto-electronic device of any one of claims 1 through 41 , wherein Ar4 is selected from the group consisting of phenylene; naphthylene; anthracylene;

phenanthrylene; benzanthracylene; pyrenylene; and benzimidazole.

43. The opto-electronic device of any one of claims 1 through 42, wherein Ar5 is selected from the group consisting of phenyl; 1 -naphthyl; 2-naphthyl; 1 -phenanthryl; 2-phenanthryl; 10-phenanthryl; 9-phenanthryl; 1-anthracenyl; 2-anthracenyl; 3-anthracenyl; 9-anthracenyl; benzanthracenyl; and pyrenyl.

44. The opto-electronic device of any one of claims 1 through 43, wherein Ar6 is selected from the group consisting of phenyl, 1 -naphthyl; 2-naphthyl; 1 -phenanthryl; 2-phenanthryl; 10-phenanthryl; 9-phenanthryl; 1-anthracenyl; 2-anthracenyl; 3-anthracenyl; 9-anthracenyl; benzanthracenyl; pyrenyl; 4-fluorophenyl; 3,4,5-trifluorophenyl; and 4-(trifluoromethoxy)phenyl.

45. The opto-electronic device of any one of claims 1 through 44, wherein Ar7 is selected from the group consisting of phenyl, 1 -naphthyl; 2-naphthyl; 1 -phenanthryl; 2-phenanthryl; 10-phenanthryl; 9-phenanthryl; 1-anthracenyl; 2-anthracenyl; 3-anthracenyl; 9-anthracenyl; benzanthracenyl; pyrenyl; 4-fluorophenyl; 3,4,5-trifluorophenyl; and 4-(trifluoromethoxy)phenyl.