COMPOSITION FOR LIGHT-EMITTING PARTICLE-POLYMER COMPOSITE, LIGHT-EMITTING PARTICLE-POLYMER COMPOSITE, AND DEVICE INCLUDING THE LIGHT-EMITTING PARTICLE-POLYMER COMPOSITE

• US 20120001217A1
• Filed: 07/01/2011
• Published: 01/05/2012
• Est. Priority Date: 07/01/2010
• Status: Abandoned Application

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: JANG, Eun Joo, KIM, Young Hwan, JUN, Shin Ae, KANG, Hyun A., JANG, Hyo Sook
• Application Number:
  US13/175,133
• Publication Number:
  US 20120001217A1
• Time in Patent Office: Days
• US Class Current: 257/98
• CPC Class Codes: C08G 75/045 from mercapto compounds and unsaturated compounds
• CPC Class Codes: C08L 81/02 Polythioethers; Polythioether-ethers
• CPC Class Codes: C09K 11/02 Use of particular materials as binders, particle coatings or suspension media therefor
• CPC Class Codes: C09K 11/56 containing sulfur
• CPC Class Codes: C09K 11/70 containing phosphorus
• CPC Class Codes: C09K 11/883 with zinc or cadmium
• CPC Class Codes: H01L 2224/16145 the bodies being stacked
• CPC Class Codes: H01L 2224/48091 Arched
• CPC Class Codes: H01L 2924/00012 Relevant to the scope of the group, the symbol of which is combined with the symbol of this group
• CPC Class Codes: H01L 2924/00014 the subject-matter covered by the group, the symbol of which is combined with the symbol of this group, being disclosed without further technical details
• CPC Class Codes: H01L 2924/181 Encapsulation
• CPC Class Codes: H01L 33/501 characterised by the materials, e.g. binder

Abstract

A composition for manufacture of a light emitting particle-polymer composite, the composition including a light emitting particle, a first monomer including at least two thiol groups, each located at a terminal end of the first monomer, and a second monomer including at least two unsaturated carbon-carbon bonds, each located at a terminal end of the second monomer.

Claims

1. A composition for a light emitting particle-polymer composite, the composition comprising:

a light emitting particle;

a first monomer including at least two thiol groups, each located at a terminal end of the first monomer; and

a second monomer including at least two unsaturated carbon-carbon bonds, each located at a terminal end of the second monomer.

2. The composition for a light emitting particle-polymer composite of claim 1, wherein the light emitting particle comprises a nanocrystal, a phosphor, a pigment, or a combination thereof.

3. The composition for a light emitting particle-polymer composite of claim 2, wherein the nanocrystal comprises a semiconductor nanocrystal, a metal nanocrystal, a metal oxide nanocrystal, or a combination thereof.

4. The composition for a light emitting particle-polymer composite of claim 1, wherein the first monomer is represented by the following Chemical Formula 1:

5. The composition for a light emitting particle-polymer composite of claim 1, wherein the second monomer is represented by the following Chemical Formula 2:

6. The composition for a light emitting particle-polymer composite of claim 4, wherein the first monomer of the above Chemical Formula 1 comprises a monomer of the following Chemical Formula 1-1:

7. The composition for a light emitting particle-polymer composite of claim 6, wherein L₁′

is a substituted or unsubstituted phenylene group.

8. The composition for a light emitting particle-polymer composite of claim 4, wherein the first monomer of the above Chemical Formula 1 comprises the compounds of the following Chemical Formulas 1-2 to 1-5:

9. The composition for a light emitting particle-polymer composite of claim 5, wherein in Chemical Formula 2, X is an acrylate group, a methacrylate group, a C2 to C30 alkenyl group, a C2 to C30 alkynyl group, a substituted or unsubstituted C3 to C30 alicyclic group including a ring having a double bond or a triple bond in the ring, a substituted or unsubstituted C3 to C30 heterocycloalkyl group including a ring having a double bond or a triple bond in the ring, a C3 to C30 alicyclic group substituted with a C2 to C30 alkenyl group or a C2 to C30 alkynyl group, or a C3 to C30 heterocycloalkyl group substituted with a C2 to C30 alkenyl group or a C2 to C30 alkynyl group.

10. The composition for a light emitting particle-polymer composite of claim 5, wherein in Chemical Formula 2, X is a vinyl group or an allyl group.

11. The composition for a light emitting particle-polymer composite of claim 5, wherein the substituted or unsubstituted C3 to C30 alicyclic group including a ring having a double bond or a triple bond in the ring comprises a norbornene group, a maleimide group, a nadimide group, a tetrahydrophthalimide group, or a combination thereof.

12. The composition for a light emitting particle-polymer composite of claim 5, wherein in Chemical Formula 2, L₂ is a pyrrolidine group, a tetrahydrofuran group, a pyridine group, a pyrimidine group, a piperidine group, a triazine group, or an isocyanurate group.

13. The composition for a light emitting particle-polymer composite of claim 5, wherein the second monomer of the above Chemical Formula 2 comprises the compounds of the following Chemical Formula 2-1 and Chemical Formula 2-2:

14. The composition for a light emitting particle-polymer composite of claim 5, wherein the second monomer comprises the compounds of the following Chemical Formulas 2-3 to 2-5:

15. The composition for a light emitting particle-polymer composite of claim 1, wherein the first monomer and the second monomer are present in combination in an amount of about 80 to about 99.9 weight percent, based on the total weight of the composition for a light emitting particle-polymer composite.

16. The composition for a light emitting particle-polymer composite of claim 1, wherein the thiol groups of the first monomer and the unsaturated carbon-carbon bonds of the second monomer are present in a mole ratio of 1:

about 0.75 to 1;

about 1.25.

17. The composition for a light emitting particle-polymer composite of claim 1, further comprising

a third monomer having one thiol group located at a terminal end of the third monomer,

a fourth monomer having an unsaturated carbon-carbon bond located at a terminal end of the fourth monomer, or

a combination thereof.

18. The composition for a light emitting particle-polymer composite of claim 1, wherein the light emitting particle further comprises a coating, the coating comprising a polymer having a carboxyl group or a salt thereof.

19. The composition for a light emitting particle-polymer composite of claim 18, wherein the polymer having a carboxyl group or a salt thereof comprises about 1 to about 100 mole percent of a unit including the carboxyl group or the salt thereof.

20. The composition for a light emitting particle-polymer composite of claim 18, wherein the polymer having a carboxyl group or a salt thereof has a melting point of about 50 to about 300°

C.

21. The composition for a light emitting particle-polymer composite of claim 18, wherein the polymer having a carboxyl group or a salt thereof comprises poly(alkylene-co-acrylic acid), poly(alkylene-co-methacrylic acid), a salt thereof, or a combination thereof.

22. The composition for a light emitting particle-polymer composite of claim 18, wherein the polymer having a carboxyl group or a salt thereof is present in an amount of about 50 to about 10,000 parts by weight, based on 100 parts by weight of the light emitting particle.

23. The composition for a light emitting particle-polymer composite of claim 18, wherein the coated light emitting particle is present as a powder or a film.

24. A light emitting particle-polymer composite comprising:

a light emitting particle; and

a copolymer of

a first monomer including at least two thiol groups each located at a terminal end of the first monomer, and

a second monomer including at least two unsaturated carbon-carbon bonds, each located at a terminal end of the second monomer.

25. The light emitting particle-polymer composite of claim 24, wherein the light emitting particle comprises a nanocrystal, a phosphor, a pigment, or a combination thereof.

26. The light emitting particle-polymer composite of claim 25, wherein the nanocrystal comprises a semiconductor nanocrystal, a metal nanocrystal, a metal oxide nanocrystal, or a combination thereof.

27. The light emitting particle-polymer composite of claim 24, wherein the first monomer is represented by the following Chemical Formula 1:

28. The light emitting particle-polymer composite of claim 24, wherein the second monomer is represented by the following Chemical Formula 2:

29. The light emitting particle-polymer composite of claim 28, wherein the first monomer of the above Chemical Formula 1 comprises a monomer of the following Chemical Formula 1-1:

30. The light emitting particle-polymer composite of claim 29, wherein L1′

is a substituted or unsubstituted phenylene group.

31. The light emitting particle-polymer composite of claim 28, wherein, in Chemical Formula 2, X is an acrylate group, a methacrylate group, a C2 to C30 alkenyl group, a C2 to C30 alkynyl group, a substituted or unsubstituted C3 to C30 alicyclic group including a ring having double bond or a triple bond in the ring, a substituted or unsubstituted C3 to C30 heterocycloalkyl group including a ring having double bond or a triple bond in the ring, a C3 to C30 alicyclic group substituted with a C2 to C30 alkenyl group or a C2 to C30 alkynyl group, or a C3 to C30 heterocycloalkyl group substituted with a C2 to C30 alkenyl group or a C2 to C30 alkynyl group.

32. The light emitting particle-polymer composite of claim 28, wherein in Chemical Formula 2, X is a vinyl group or an allyl group.

33. The light emitting particle-polymer composite of claim 28, wherein the substituted or unsubstituted C3 to C30 alicyclic group including a ring having double bond or a triple bond in the ring comprises a norbornene group, a maleimide group, a nadimide group, a tetrahydrophthalimide group, or a combination thereof.

34. The light emitting particle-polymer composite of claim 28, wherein in Chemical Formula 2, L₂ is a pyrrolidine group, a tetrahydrofuran group, a pyridine group, a pyrimidine group, a piperidine group, a triazine group, or an isocyanurate group.

35. The light emitting particle-polymer composite of claim 28, wherein the second monomer of the above Chemical Formula 2 comprises the compounds of the following Chemical Formula 2-1 to Chemical Formula 2-2:

36. The light emitting particle-polymer composite of claim 24, wherein the polymer is present in an amount of about 80 to about 99.9 weight percent, based on the total weight of the light emitting particle-polymer composite.

37. The light emitting particle-polymer composite of claim 24, wherein the thiol group of the first monomer and the unsaturated carbon-carbon bond of the second monomer are present at a mole ratio of 1:

about 0.75 to 1;

about 1.25.

38. The light emitting particle-polymer composite of claim 24, wherein the light emitting particle further comprises a coating, the coating comprising a polymer having a carboxyl group or a salt thereof.

39. The light emitting particle-polymer composite of claim 38, wherein the polymer having a carboxyl group or a salt thereof comprises about 1 to about 100 mole percent of a unit including the carboxyl group or the salt thereof.

40. The light emitting particle-polymer composite of claim 38, wherein the polymer having a carboxyl group or a salt thereof has a melting point of about 50 to about 300°

C.

41. The light emitting particle-polymer composite of claim 38, wherein the polymer having a carboxyl group or a salt thereof comprises poly(alkylene-co-acrylic acid), poly(alkylene-co-methacrylic acid), a salt thereof, or a combination thereof.

42. The light emitting particle-polymer composite of claim 38, wherein the polymer having a carboxyl group or a salt thereof is present in an amount of about 50 to about 10,000 parts by weight, based on 100 parts by weight of the light emitting particle.

43. The light emitting particle-polymer composite of claim 38, wherein the coated light emitting particle is present as a powder or as a film.

44. An optoelectronic device comprising the light emitting particle-polymer composite according to claim 24.

45. The optoelectronic device of claim 44, wherein the optoelectronic device is a light emitting device, a memory device, a laser device, or a solar cell.

46. The optoelectronic device of claim 45, wherein the light emitting device comprises a light source, and the light emitting particle-polymer composite is disposed on the light source.

47. The optoelectronic device of claim 46, wherein the light emitting particle-polymer composite is disposed in a form of a film, and a remaining space of the optoelectronic device is filled with a resin.

48. The optoelectronic device of claim 47, wherein the light emitting particle-polymer composite is disposed as a film, and further comprises a resin contacting the light emitting particle-polymer composite.

49. The optoelectronic device of claim 46, wherein the resin comprises a silicone resin, an epoxy resin, a (meth)acrylate-based resin, a copolymer of a first monomer including at least two thiol groups each located at a terminal end of the first monomer and a second monomer including at least two unsaturated carbon-carbon bonds each located at a terminal end of the second monomer, or a combination thereof.

50. The optoelectronic device of claim 46, wherein the light emitting device further comprises a transparent plate between the light source and the light emitting particle-polymer composite.

51. The optoelectronic device of claim 46, wherein the light emitting device further comprises a polymer film at an outer surface, and the polymer film includes a copolymer of a first monomer including at least two thiol groups each located at a terminal end of the first monomer and a second monomer including at least two unsaturated carbon-carbon bonds each located at a terminal end of the second monomer, a (meth)acrylate-based resin, a silicone resin, an epoxy resin, or a combination thereof.