Thin film, method of manufacturing thin film, and light-emitting device including thin film
AssigneeSamsung Electronics Co., Ltd.
InventorsByunghwa Seo, YongChurl Kim, Hyungjun Kim, Yong Joo Lee
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Abstract
A thin film includes a luminescent compound represented by Formula 1 and a random copolymer, wherein the random copolymer includes a first repeating unit including at least one aromatic ring, and a second repeating unit including a heteroatom including at least one lone pair of electrons, [A]n[Q]m[X]l Formula 1 wherein, in Formula 1, A is a monovalent organic cation, a monovalent inorganic cation, or a combination thereof, Q is a divalent metal cation, a divalent metalloid cation, or a combination thereof, X is at least one monovalent halogen ion, n is an integer from 1 to 3, m is an integer from 1 to 2, and l is an integer from 1 to 5.
Claims18
A thin film comprising a luminescent compound represented by Formula 1 and a random copolymer, wherein the random copolymer comprises a first repeating unit comprising at least one aromatic ring and a second repeating unit comprising a heteroatom comprising at least one lone pair of electrons, the second repeating unit comprising a benzoxazole group, a pyridine group, or a combination thereof,
- [A]n[Q]m[X]l Formula 1
- wherein, in Formula 1,
- A is a monovalent organic cation, a monovalent inorganic cation, or a combination thereof,
- Q is a divalent metal cation, a divalent metalloid cation, or a combination thereof,
- X is at least one monovalent halogen ion,
- n is an integer from 1 to 3,
- m is an integer from 1 to 2, and
- l is an integer from 1 to 5,
- wherein a weight of the luminescent compound is about 50 percent by weight to less than 100 percent by weight, based on the total weight of the thin film.
A thin film comprising a luminescent compound represented by Formula 1 and a random copolymer, wherein the random copolymer comprises a first repeating unit comprising at least one aromatic ring and a second repeating unit comprising a heteroatom comprising at least one lone pair of electrons, the second repeating unit comprising a benzoxazole group, a pyridine group, or a combination thereof,
- [A]n[Q]m[X]l Formula 1
- wherein, in Formula 1,
- A is a monovalent organic cation, a monovalent inorganic cation, or a combination thereof,
- Q is a divalent metal cation, a divalent metalloid cation, or a combination thereof,
- X is at least one monovalent halogen ion,
- n is an integer from 1 to 3,
- m is an integer from 1 to 2, and
- l is an integer from 1 to 5,
- wherein the thin film comprises a first area and a second area, wherein a ratio of a weight ratio of the luminescent compound to the random copolymer in the first area to a weight ratio of the luminescent compound to the random copolymer in the second area is in a range of about 0.9:1.0 to about 1.0:0.9.
A thin film comprising a luminescent compound represented by Formula 1 and a random copolymer, wherein the random copolymer comprises a first repeating unit comprising at least one aromatic ring and a second repeating unit comprising a heteroatom comprising at least one lone pair of electrons, the second repeating unit comprising a benzoxazole group, a pyridine group, or a combination thereof,
- [A]n[Q]m[X]l Formula 1
- wherein, in Formula 1,
- A is a monovalent organic cation, a monovalent inorganic cation, or a combination thereof,
- Q is a divalent metal cation, a divalent metalloid cation, or a combination thereof,
- X is at least one monovalent halogen ion,
- n is an integer from 1 to 3,
- m is an integer from 1 to 2, and
- l is an integer from 1 to 5,
- wherein the thin film comprises a first surface and a second surface facing the first surface, wherein a ratio of a weight ratio of the luminescent compound to the random copolymer in the first surface to a weight ratio of the luminescent compound to the random copolymer in the second surface is in a range of about 0.9:1.0 to about 1.0:0.9.
Dependencies are inferred from the claim text.