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US 11,222,997 B2Granted
Luminous body, light emitting film, light emitting diode and light emitting device having luminous body
AssigneeLG Display Co., Ltd.
InventorsDong-Young Kim, Jong-Hoon Woo, Byung-Geol Kim, Hye-Li Min, Min-Surk Hyung
Life of this patent
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Abstract
A luminous body includes a first moiety including a plurality of first ligands combined to a surface of an inorganic emitting particle; and a second moiety including silsesquioxanes connected to a second ligand connected to one of the first ligands, wherein one of the first and second ligands is a polar ligand, and the other one of the first and second ligands is a non-polar ligand.
Claims17
A luminous body, comprising:
- a first moiety including a plurality of first ligands combined to a surface of an inorganic emitting particle;
- and
- a second moiety including a second ligand connected to each of the first ligands and silsesquioxanes connected to the second ligand,
- wherein each first ligand is independently a C1-C20 alkylene group and the second ligand is a sulfide group having a C11-C20 alkyl group, and
- wherein the second ligand is connected to each of the first ligands via the sulfide group and is connected to the silsesquioxanes through the C11-C20 alkyl group.
2 more elements
A light emitting display device, comprising:
- a first substrate;
- a second substrate facing the first substrate;
- a light emitting diode between the first and second substrates;
- a light converting layer configured to convert a wavelength of a light emitted from the light emitting diode, the light converting layer including a luminous body,
- wherein the luminous body comprises:
- a first moiety including a plurality of first ligands combined to a surface of an inorganic emitting particle;
- and
- a second moiety including a second ligand connected to each of the first ligands and silsesquioxanes connected to the second ligand,
- wherein each first ligand is independently a C1-C20 alkylene group and the second ligand is a sulfide group having a C11-C20 alkyl group, and
- wherein the second ligand is connected to each of the first ligands via a sulfide group and is connected to the silsesquioxanes through the C11-C20 alkyl group.
7 more elements
A light emitting film, comprising:
- a luminous body;
- and
- a matrix resin where the luminous body is dispersed,
- wherein the luminous body comprises:
- a first moiety including a plurality of first ligands combined to a surface of an inorganic emitting particle;
- and
- a second moiety including a second ligand connected to at least one of the first ligands and silsesquioxanes connected to the second ligand,
- wherein each first ligand is independently a C1-C20 alkylene group and the second ligand is a sulfide group having a C11-C20 alkyl group, and
- wherein the second ligand is connected to each of the first ligands via the sulfide group and is connected to the silsesquioxanes through the C11-C20 alkyl group.
6 more elements
A liquid crystal display device, comprising:
- a liquid crystal panel;
- a backlight unit under the liquid crystal panel and including a light source;
- and
- a light emitting film between the liquid crystal panel and the backlight unit,
- wherein the light emitting film comprises:
- a luminous body;
- and
- a matrix resin where the luminous body is dispersed,
- wherein the luminous body comprises:
- a first moiety including a plurality of first ligands combined to a surface of an inorganic emitting particle;
- and
- a second moiety including a second ligand connected to each of the first ligands and silsesquioxanes connected to the second ligand,
- wherein each first ligand is independently a C1-C20 alkylene group and the second ligand is a sulfide group having a C11-C20 alkyl group, and
- wherein the second ligand is connected to each of the first ligands via the sulfide group and is connected to the silsesquioxanes through the C11-C20 alkyl group.
11 more elements
A light emitting diode (LED) package, comprising:
- an LED chip;
- and
- an encapsulation part covering the LED chip, the encapsulation part including a luminous body,
- wherein the luminous body comprises:
- a first moiety including a plurality of first ligands combined to a surface of an inorganic emitting particle;
- and
- a second moiety including a second ligand connected to each of the first ligands and silsesquioxanes connected to the second ligand,
- wherein each first ligand is independently a C1-C20 alkylene group and the second ligand is a sulfide group having a C11-C20 alkyl group, and
- wherein the second ligand is connected to each of the first ligands via the sulfide group and is connected to the silsesquioxanes through the C11-C20 alkyl group.
6 more elements
A liquid crystal display device, comprising:
- a backlight unit including a light emitting diode (LED) package;
- and
- a liquid crystal panel over the backlight unit,
- wherein the LED package comprises:
- an LED chip;
- and
- an encapsulation part covering the LED chip, the encapsulation part including a luminous body,
- wherein the luminous body comprises:
- a first moiety including a plurality of first ligands combined to a surface of an inorganic emitting particle;
- and
- a second moiety including a second ligand connected to each of the first ligands and silsesquioxanes connected to the second ligand,
- wherein each first ligand is independently a C1-C20 alkylene group and the second ligand is a sulfide group having a C11-C20 alkyl group, and
- wherein the second ligand is connected to each of the first ligands via the sulfide group and is connected to the silsesquioxanes through the C11-C20 alkyl group.
10 more elements
An inorganic light emitting diode, comprising:
- a first electrode;
- a second electrode facing the first electrode;
- and
- a light emitting layer between the first and second electrode, the light emitting layer including a luminous body,
- wherein the luminous body comprises:
- a first moiety including a plurality of first ligands combined to a surface of an inorganic emitting particle;
- and
- a second moiety including a second ligand connected to each of the first ligands and silsesquioxanes connected to the second ligand,
- wherein each first ligand is independently a C1-C20 alkylene group and the second ligand is a sulfide group having a C11-C20 alkyl group, and
- wherein the second ligand is connected to each of the first ligands via the sulfide group and is connected to the silsesquioxanes through the C11-C20 alkyl group.
7 more elements
An inorganic light emitting device, comprising:
- a substrate;
- an inorganic light emitting diode on the substrate;
- and
- a driving element between the substrate and the inorganic light emitting diode, the driving element connected to the inorganic light emitting diode,
- wherein the inorganic light emitting diode comprises:
- a first electrode;
- a second electrode facing the first electrode;
- and
- a light emitting layer between the first and second electrode, the light emitting layer including a luminous body,
- wherein the luminous body comprises:
- a first moiety including a plurality of first ligands combined to a surface of an inorganic emitting particle;
- and
- a second moiety including a second ligand connected to each of the first ligands and silsesquioxanes connected to other end of the second ligand,
- wherein each first ligand is independently a C1-C20 alkylene group and the second ligand is a sulfide group having a C11-C20 alkyl group, and
- wherein the sulfide group in the second ligand is connected to the first ligand and the C11-C20 alkyl group in the second ligand is connected to the silsesquioxanes.
12 more elements
Dependencies are inferred from the claim text.