LUMINESCENT MATERIAL, AND ORGANIC LIGHT-EMITTING ELEMENT, WAVELENGTH-CONVERTING LIGHT-EMITTING ELEMENT, LIGHT-CONVERTING LIGHT-EMITTING ELEMENT, ORGANIC LASER DIODE LIGHT-EMITTING ELEMENT, DYE LASER, DISPLAY DEVICE, AND ILLUMINATION DEVICE USING SAME

• US 20130303777A1
• Filed: 10/04/2011
• Published: 11/14/2013
• Est. Priority Date: 10/06/2010
• 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: Okamoto, Ken, Ohe, Masahito, Fujita, Yoshimasa, Ogata, Hidenori, Itoh, Akinori, Yamada, Makoto, Itoh, Tetsuji
• Application Number:
  US13/877,901
• Publication Number:
  US 20130303777A1
• Time in Patent Office: Days
• US Class Current: 548/103
• CPC Class Codes: C07F 15/002 Osmium compounds
• CPC Class Codes: C07F 15/0033 Iridium compounds
• CPC Class Codes: C07F 15/0086 Platinum compounds
• CPC Class Codes: C09K 11/06 containing organic luminescent materials
• CPC Class Codes: C09K 2211/1007 Non-condensed systems
• CPC Class Codes: C09K 2211/1044 containing two nitrogen atoms as heteroatoms
• CPC Class Codes: C09K 2211/1055 with other heteroatoms
• CPC Class Codes: C09K 2211/107 with other heteroatoms
• CPC Class Codes: C09K 2211/1074 containing more than three nitrogen atoms as heteroatoms
• CPC Class Codes: C09K 2211/185 of the platinum group, i.e. Os, Ir, Pt, Ru, Rh or Pd
• CPC Class Codes: G09G 3/30 using electroluminescent panels
• CPC Class Codes: H01L 2924/00 Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
• CPC Class Codes: H01L 2924/0002 Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
• CPC Class Codes: H01L 33/502 Wavelength conversion materials
• CPC Class Codes: H01S 3/08009 using a diffraction grating
• CPC Class Codes: H01S 3/14 characterised by the material used as the active medium
• CPC Class Codes: H01S 3/213 including an organic dye
• CPC Class Codes: H01S 5/041 Optical pumping
• CPC Class Codes: H01S 5/36 comprising organic materials
• CPC Class Codes: H01S 5/423 having a vertical cavity
• CPC Class Codes: H05B 33/10 : Apparatus or processes specially adapted to the manufacture of electroluminescent light sources
• CPC Class Codes: H05B 45/60 : Circuit arrangements for operating LEDs comprising organic material, e.g. for operating organic light-emitting diodes [OLED] or polymer light-emitting diodes [PLED]
• CPC Class Codes: H10K 2101/10 : Triplet emission
• CPC Class Codes: H10K 50/11 : characterised by the electroluminescent [EL] layers
• CPC Class Codes: H10K 50/80 : Constructional details
• CPC Class Codes: H10K 50/852 : comprising a resonant cavity structure, e.g. Bragg reflector pair
• CPC Class Codes: H10K 50/854 : comprising scattering means
• CPC Class Codes: H10K 59/12 : Active-matrix OLED [AMOLED] displays
• CPC Class Codes: H10K 59/38 : comprising colour filters or colour changing media [CCM]
• CPC Class Codes: H10K 59/876 : comprising a resonant cavity structure, e.g. Bragg reflector pair
• CPC Class Codes: H10K 59/877 : comprising scattering means
• CPC Class Codes: H10K 85/342 : comprising iridium
• CPC Class Codes: H10K 85/346 : comprising platinum
• CPC Class Codes: H10K 85/348 : comprising osmium

Abstract

A luminescent material includes a transition metal complex which comprises any one of Ir, Os, and Pt as a central metal; and at least one of a carbene ligand and a silylene ligand. The carbene ligand includes a boron atom in a skeleton thereof. The carbene ligand is neutral or monoanionic. The carbene ligand is monodentate, bidentate, or tridentate. The silylene ligand includes a boron atom in a skeleton thereof. The silylene ligand is neutral or monoanionic. The silylene ligand is monodentate, bidentate, or tridentate.

Claims

1. A luminescent material comprising:

a transition metal complex, wherein the transition metal complex comprises;

any one of Ir, Os, and Pt as a central metal; and

at least one of a carbene ligand and a silylene ligand, wherein the carbene ligand includes a boron atom in a skeleton thereof, wherein the carbene ligand is neutral or monoanionic, wherein the carbene ligand is monodentate, bidentate, or tridentate, wherein the silylene ligand includes a boron atom in a skeleton thereof, wherein the silylene ligand is neutral or monoanionic, wherein the silylene ligand is monodentate, bidentate, or tridentate.

2. The luminescent material according to claim 1,

wherein the transition metal complex includes a partial structure represented by the following formula (1) or (2).

3. The luminescent material according to claim 1,

wherein the transition metal complex includes a partial structure represented by the following formula (3) or (4).

4. The luminescent material according to claim 1,

wherein the transition metal complex includes a partial structure represented by the following formula (5) or (6).

5. The luminescent material according to claim 1, wherein the transition metal complex includes a partial structure represented by the following formula (7) or (8).

6. The luminescent material according to claim 1,

wherein the transition metal complex is an Ir complex including a partial structure represented by the following formula (9).

7. The luminescent material according to claim 1,

wherein the transition metal complex is a tris complex in which three bidentate ligands are coordinated, and

wherein the amount of a mer (meridional) isomer contained in the transition metal complex is greater than that of a fac (facial) isomer.

8. An organic light-emitting element comprising:

at least one organic layer that includes a light-emitting layer; and

a pair of electrodes between which the organic layer is interposed,

wherein the organic layer includes a transition metal complex,

wherein the transition metal complex comprises;

any one of Ir, Os, and Pt as a central metal; and

at least one of a carbene ligand and a silylene ligand, wherein the carbene ligand includes a boron atom in a skeleton thereof, wherein the carbene ligand is neutral or monoanionic, wherein the carbene ligand is monodentate, bidentate, or tridentate, wherein the silylene ligand includes a boron atom in a skeleton thereof, wherein the silylene ligand is neutral or monoanionic, wherein the silylene ligand is monodentate, bidentate, or tridentate.

9. The organic light-emitting element according to claim 8,

wherein the light-emitting layer includes the metal transition complex.

10. A wavelength-converting light-emitting element comprising:

an organic light-emitting element; and

a fluorescent layer which is disposed on a side of extracting light from the organic light-emitting element, wherein the fluorescent layer absorbs the light emitted from the organic light-emitting element and emits light having a different wavelength from that of the absorbed light,

wherein the organic light-emitting element includes at least one organic layer that includes a light-emitting layer and a pair of electrodes between which the organic layer is interposed,

wherein the organic layer includes a transition metal complex,

wherein the transition metal complex comprises;

any one of Ir, Os, and Pt as a central metal; and

at least one of a carbene ligand and a silylene ligand, wherein the carbene ligand includes a boron atom in a skeleton thereof, wherein the carbene ligand is neutral or monoanionic, wherein the carbene ligand is monodentate, bidentate, or tridentate, wherein the silylene ligand includes a boron atom in a skeleton thereof, wherein the silylene ligand is neutral or monoanionic, wherein the silylene ligand is monodentate, bidentate, or tridentate.

11. A wavelength-converting light-emitting element comprising:

a light-emitting element; and

a fluorescent layer which is disposed on a side of extracting light from the light-emitting element, wherein the fluorescent layer absorbs light emitted from the light-emitting element and emits light having a different wavelength from that of the absorbed light,

wherein the fluorescent layer includes a transition metal complex,

wherein the transition metal complex comprises;

any one of Ir, Os, and Pt as a central metal; and

at least one of a carbene ligand and a silylene ligand, wherein the carbene ligand includes a boron atom in a skeleton thereof, wherein the carbene ligand is neutral or monoanionic, wherein the carbene ligand is monodentate, bidentate, or tridentate, wherein the silylene ligand includes a boron atom in a skeleton thereof, wherein the silylene ligand is neutral or monoanionic, wherein the silylene ligand is monodentate, bidentate, or tridentate.

12. A light-converting light-emitting element comprising:

at least one organic layer that includes a light-emitting layer;

a layer for multiplying a current; and

a pair of electrodes between which the organic layer and the layer for multiplying a current are interposed,

wherein the light-emitting layer includes a host material and a transition metal complex,

wherein the transition metal complex comprises;

any one of Ir, Os, and Pt as a central metal; and

at least one of a carbene ligand and a silylene ligand, wherein the carbene ligand includes a boron atom in a skeleton thereof, wherein the carbene ligand is neutral or monoanionic, wherein the carbene ligand is monodentate, bidentate, or tridentate, wherein the silylene ligand includes a boron atom in a skeleton thereof, wherein the silylene ligand is neutral or monoanionic, wherein the silylene ligand is monodentate, bidentate, or tridentate.

13. An organic laser diode light-emitting element comprising:

an excitation light source; and

a resonator structure that is irradiated with light emitted from the excitation light source,

wherein the resonator structure includes at least one organic layer that includes a laser-active layer and a pair of electrodes between which the organic layer is interposed,

wherein the laser active layer includes a host material and a transition metal complex,

wherein the transition metal complex comprises;

any one of Ir, Os, and Pt as a central metal; and

at least one of a carbene ligand and a silylene ligand, wherein the carbene ligand includes a boron atom in a skeleton thereof, wherein the carbene ligand is neutral or monoanionic, wherein the carbene ligand is monodentate, bidentate, or tridentate, wherein the silylene ligand includes a boron atom in a skeleton thereof, wherein the silylene ligand is neutral or monoanionic, wherein the silylene ligand is monodentate, bidentate, or tridentate.

14. A dye laser comprising:

a laser medium that includes a luminescent material; and

an excitation light source that stimulates the luminescent material of the laser medium to emit phosphorescence and to perform laser oscillation,

wherein the luminescent material is a transition metal complex,

wherein the transition metal complex comprises;

any one of Ir, Os, and Pt as a central metal; and

at least one of a carbene ligand and a silylene ligand, wherein the carbene ligand includes a boron atom in a skeleton thereof, wherein the carbene ligand is neutral or monoanionic, wherein the carbene ligand is monodentate, bidentate, or tridentate, wherein the silylene ligand includes a boron atom in a skeleton thereof, wherein the silylene ligand is neutral or monoanionic, wherein the silylene ligand is monodentate, bidentate, or tridentate.

15. A display device comprising:

an image signal output portion that outputs an image signal;

a drive portion that applies a current or a voltage based on the signal output from the image signal output portion; and

a light-emitting portion that emits light based on the current or the voltage applied from the drive portion,

wherein the light-emitting portion is an organic light-emitting element including at least one organic layer that includes a light-emitting layer and a pair of electrodes between which the organic layer is interposed,

wherein the organic layer includes a transition metal complex,

wherein the transition metal complex comprises;

any one of Ir, Os, and Pt as a central metal; and

at least one of a carbene ligand and a silylene ligand, wherein the carbene ligand includes a boron atom in a skeleton thereof, wherein the carbene ligand is neutral or monoanionic, wherein the carbene ligand is monodentate, bidentate, or tridentate, wherein the silylene ligand includes a boron atom in a skeleton thereof, wherein the silylene ligand is neutral or monoanionic, wherein the silylene ligand is monodentate, bidentate, or tridentate.

18. The display device according to claim 15,

wherein an anode and a cathode of the light-emitting portion are arranged in a matrix shape.

20. An electronic apparatus comprising the display device according to claim 15.

16. A display device comprising:

an image signal output portion that outputs an image signal;

a drive portion that applies a current or a voltage based on the signal output from the image signal output portion; and

a light-emitting portion that emits light based on the current or the voltage applied from the drive portion,

wherein the light-emitting portion is a wavelength-converting light-emitting element including an organic light-emitting element and a fluorescent layer which is disposed on a side of extracting light from the organic light-emitting element,

wherein the fluorescent layer absorbs light emitted from the organic light-emitting element and emits light having a different wavelength from that of the absorbed light,

wherein the organic light-emitting element includes at least one organic layer that includes a light-emitting layer and a pair of electrodes between which the organic layer is interposed,

wherein the organic layer includes a transition metal complex,

wherein the transition metal complex comprises;

any one of Ir, Os, and Pt as a central metal; and

at least one of a carbene ligand and a silylene ligand, wherein the carbene ligand includes a boron atom in a skeleton thereof, wherein the carbene ligand is neutral or monoanionic, wherein the carbene ligand is monodentate, bidentate, or tridentate, wherein the silylene ligand includes a boron atom in a skeleton thereof, wherein the silylene ligand is neutral or monoanionic, wherein the silylene ligand is monodentate, bidentate, or tridentate.

17. A display device comprising:

an image signal output portion that outputs an image signal;

a drive portion that applies a current or a voltage based on the signal output from the image signal output portion; and

a light-emitting portion that emits light based on the current or the voltage applied from the drive portion,

wherein the light-emitting portion is a light-converting light-emitting element including at least one organic layer that includes a light-emitting layer, a layer for multiplying a current, and a pair of electrodes between which the organic layer and the layer for multiplying a current are interposed,

wherein the light-emitting layer includes a host material and a transition metal complex, and

wherein the transition metal complex comprises;

any one of Ir, Os, and Pt as a central metal; and

at least one of a carbene ligand and a silylene ligand, wherein the carbene ligand includes a boron atom in a skeleton thereof, wherein the carbene ligand is neutral or monoanionic, wherein the carbene ligand is monodentate, bidentate, or tridentate, wherein the silylene ligand includes a boron atom in a skeleton thereof, wherein the silylene ligand is neutral or monoanionic, wherein the silylene ligand is monodentate, bidentate, or tridentate.

19. The display device according to claim 19,

wherein the light-emitting portion is driven by a thin film transistor.

21. An illumination device comprising:

a drive portion that applies a current or a voltage; and

a light-emitting portion that emits light based on the current or the voltage applied from the drive portion,

wherein the light-emitting portion is an organic light-emitting element including at least one organic layer that includes a light-emitting layer and a pair of electrodes between which the organic layer is interposed,

wherein the organic layer includes a transition metal complex,

wherein the transition metal complex comprises;

any one of Ir, Os, and Pt as a central metal; and

at least one of a carbene ligand and a silylene ligand, wherein the carbene ligand includes a boron atom in a skeleton thereof, wherein the carbene ligand is neutral or monoanionic, wherein the carbene ligand is monodentate, bidentate, or tridentate, wherein the silylene ligand includes a boron atom in a skeleton thereof, wherein the silylene ligand is neutral or monoanionic, wherein the silylene ligand is monodentate, bidentate, or tridentate.

24. An illumination apparatus comprising the illumination device according to claim 21.

22. An illumination device comprising:

a drive portion that applies a current or a voltage; and

a light-emitting portion that emits light based on the current or the voltage applied from the drive portion,

wherein the light-emitting portion is a wavelength-converting light-emitting element including an organic light-emitting element and a fluorescent layer which is disposed on a side of extracting light from the organic light-emitting element,

wherein the fluorescent layer absorbs light emitted from the organic light-emitting element and emits light having a different wavelength from that of the absorbed light,

wherein the organic light-emitting element includes at least one organic layer that includes a light-emitting layer and a pair of electrodes between which the organic layer is interposed,

wherein the organic layer includes a transition metal complex,

wherein the transition metal complex comprises;

any one of Ir, Os, and Pt as a central metal; and

at least one of a carbene ligand and a silylene ligand, wherein the carbene ligand includes a boron atom in a skeleton thereof, wherein the carbene ligand is neutral or monoanionic, wherein the carbene ligand is monodentate, bidentate, or tridentate, wherein the silylene ligand includes a boron atom in a skeleton thereof, wherein the silylene ligand is neutral or monoanionic, wherein the silylene ligand is monodentate, bidentate, or tridentate.

23. An illumination device comprising:

a drive portion that applies a current or a voltage; and

a light-emitting portion that emits light based on the current or the voltage applied from the drive portion,

wherein the light-emitting portion is a light-converting light-emitting element including at least one organic layer that includes a light-emitting layer, a layer for multiplying a current, and a pair of electrodes between which the organic layer and the layer for multiplying a current are interposed,

wherein the light-emitting layer includes a host material and a transition metal complex, and

wherein the transition metal complex comprises;

any one of Ir, Os, and Pt as a central metal; and

at least one of a carbene ligand and a silylene ligand, wherein the carbene ligand includes a boron atom in a skeleton thereof, wherein the carbene ligand is neutral or monoanionic, wherein the carbene ligand is monodentate, bidentate, or tridentate, wherein the silylene ligand includes a boron atom in a skeleton thereof, wherein the silylene ligand is neutral or monoanionic, wherein the silylene ligand is monodentate, bidentate, or tridentate.