NANOPARTICLE PHOSPHOR ELEMENT AND LIGHT EMITTING ELEMENT

• US 20170352779A1
• Filed: 05/10/2017
• Published: 12/07/2017
• Est. Priority Date: 06/07/2016
• Status: Abandoned Application

• Current Assignee: Sharp Kabushiki Kaisha (Hon Hai Precision Industry Co., Ltd.)
• Original Assignee: Sharp Kabushiki Kaisha (Hon Hai Precision Industry Co., Ltd.)
• Inventors: KUZUMOTO, Yasutaka, RYOHWA, Tatsuya, YAMAZUMI, Noriyuki, IZUMI, Makoto
• Application Number:
  US15/591,229
• Publication Number:
  US 20170352779A1
• Time in Patent Office: Days
• CPC Class Codes: B82Y 20/00 Nanooptics, e.g. quantum optics or photonic crystals
• CPC Class Codes: B82Y 30/00 Nanotechnology for materials or surface science, e.g. nanocomposites
• CPC Class Codes: B82Y 40/00 Manufacture or treatment of nanostructures
• CPC Class Codes: C08K 2003/3036 of zinc
• CPC Class Codes: C08K 2201/001 Conductive additives
• CPC Class Codes: C08K 3/013 Fillers, pigments or reinforcing additives
• CPC Class Codes: C08K 3/30 Sulfur-, selenium- or tellurium-containing compounds
• CPC Class Codes: C08K 9/08 Ingredients agglomerated by treatment with a binding agent
• CPC Class Codes: C08L 33/06 of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
• CPC Class Codes: C09K 11/025 non-luminescent particle coatings or suspension media
• CPC Class Codes: C09K 11/883 with zinc or cadmium
• CPC Class Codes: H01L 33/06 within the light emitting region, e.g. quantum confinement structure or tunnel barrier
• CPC Class Codes: H01L 33/502 Wavelength conversion materials
• CPC Class Codes: Y10S 977/774 Exhibiting three-dimensional carrier confinement, e.g. quantum dots
• CPC Class Codes: Y10S 977/824 Group II-VI nonoxide compounds, e.g. CdxMnyTe
• CPC Class Codes: Y10S 977/95 Electromagnetic energy

Abstract

A nanoparticle phosphor element includes a capsule-shaped material that has a plurality of concave portions in a surface, a medium that is sealed in the capsule-shaped material, and a semiconductor nanoparticle phosphor that is dispersed in the medium, and a light emitting element includes a sealing material, and the nanoparticle phosphor element of the disclosure that is dispersed in the sealing material.

Claims

1. A nanoparticle phosphor element comprising:

a capsule-shaped material having a plurality of concave portions in a surface;

a medium that is sealed in the capsule-shaped material; and

a semiconductor nanoparticle phosphor that is dispersed in the medium.

2. The nanoparticle phosphor element according to claim 1, wherein

the capsule-shaped material includes at least two layers.

3. The nanoparticle phosphor element according to claim 1, wherein

the medium is a liquid.

4. The nanoparticle phosphor element according to claim 2, wherein

the medium is a liquid.

5. The nanoparticle phosphor element according to claim 3, wherein

the medium is an ionic liquid.

6. The nanoparticle phosphor element according to claim 4, wherein

the medium is an ionic liquid.

7. The nanoparticle phosphor element according to claim 1, wherein

the medium is a solid.

8. The nanoparticle phosphor element according to claim 2, wherein

the medium is a solid.

9. The nanoparticle phosphor element according to claim 7, wherein

the medium is a resin that includes a constitutional unit derived from an ionic liquid having a polymerizable functional group.

10. The nanoparticle phosphor element according to claim 8, wherein

the medium is a resin that includes a constitutional unit derived from an ionic liquid having a polymerizable functional group.

11. A light emitting element comprising:

a sealing material; and

the nanoparticle phosphor element according to claim 1 that is dispersed in the sealing material.

12. A light emitting element comprising:

a sealing material; and

the nanoparticle phosphor element according to claim 2 that is dispersed in the sealing material.

13. A light emitting element comprising:

a sealing material; and

the nanoparticle phosphor element according to claim 3 that is dispersed in the sealing material.

14. A light emitting element comprising:

a sealing material; and

the nanoparticle phosphor element according to claim 4 that is dispersed in the sealing material.

15. A light emitting element comprising:

a sealing material; and

the nanoparticle phosphor element according to claim 5 that is dispersed in the sealing material.

16. A light emitting element comprising:

a sealing material; and

the nanoparticle phosphor element according to claim 6 that is dispersed in the sealing material.

17. A light emitting element comprising:

a sealing material; and

the nanoparticle phosphor element according to claim 7 that is dispersed in the sealing material.

18. A light emitting element comprising:

a sealing material; and

the nanoparticle phosphor element according to claim 8 that is dispersed in the sealing material.

19. A light emitting element comprising:

a sealing material; and

the nanoparticle phosphor element according to claim 9 that is dispersed in the sealing material.

20. A light emitting element comprising:

a sealing material; and

the nanoparticle phosphor element according to claim 10 that is dispersed in the sealing material.