Abstract: An organometallic compound, represented by Formula 1: M1(Ln1)n1(Ln2)n2 ??Formula 1 wherein Ln1 is a ligand represented by Formula 1A, Ln2 is a ligand represented by Formula 1B, n1 is 1 or 2, and n2 is 1 or 2: wherein, in Formulae 1, 1A, and 1B, X1 is C or N, X2 is C or N, CY1 and CY2 are each independently a C5-C30 carbocyclic group or a C1-C30 heterocyclic group, CY3 is a 6-membered N-containing heterocyclic group, a 6-membered N-containing heterocyclic group condensed with a C5-C30 carbocyclic group, or a 6-membered N-containing heterocyclic group condensed with a C5-C30 carbocyclic group or a C1-C30 heterocyclic group, CY41 is a 5-membered carbocyclic group or a 5-membered heterocyclic group, * and *? each represent a bonding site to M1, and wherein R10, R20 to R30, R40 to R42, and b10 to b40 are as provided herein.

Abstract: An organometallic compound represented by Formula 1: M1(Ln1)n1(Ln2)n2??Formula 1 wherein, in Formula 1, Ln1 is a ligand represented by Formula 1A, Ln2 is a ligand represented by Formula 1B, n1 is 1 or 2, and n2 is 1 or 2: wherein CY1 is a 6-membered N-containing heterocyclic group, a 6-membered N-containing heterocyclic group condensed with a C1-C30 carbocyclic group, or a 6-membered N-containing heterocyclic group condensed with a C5-C30 heterocyclic group, CY21 is a 5-membered carbocyclic group or a 5-membered heterocyclic group, X31 and X32 are each independently O or S, * and *? each indicate a binding site to M1, and R10, R20 to R22, R31 to R37, b10, and b20 are as provided herein.

Abstract: An organometallic compound represented by Formula 1A: wherein, in Formula 1A, groups and variables are the same as described in the specification.

Abstract: An organometallic compound, represented by Formula 1: M1(Ln1)n1(Ln2)n2??Formula 1 wherein Ln1 is a ligand represented by Formula 1A, Ln2 is a ligand represented by Formula 1B, n1 is 1 or 2, and n2 is 1 or 2: wherein ring CY21 is a 5-membered carbocyclic group or a 5-membered heterocyclic group, X31 and X32 are each independently O or S, b20 is an integer from 0 to 6, R11 to R18, R20 to R22, and R31 to R37 are as defined herein, and * and *? each indicates a binding site to M1.

Abstract: An organometallic compound represented by Formula 1: M1(Ln1)n1(Ln2)n2??Formula 1 wherein, Ln1 is a ligand represented by Formula 1A, Ln2 is a ligand represented by Formula 1B, n1 is 1 or 2, and n2 is 1 or 2, wherein ring CY1 and ring CY2 are each independently a C5-C30 carbocyclic group or a C1-C30 heterocyclic group, ring CY41 is a benzene group, ring CY42 is a 5-membered aromatic heterocyclic group, X1 is C or N, X2 is C or N, Y1 is O, S, Se, C(R3)(R4), N(R3), or B(R3), and R1 to R4, R10, R20, R31 to R34, R40, b10, b20, and b40 are as described herein.

Abstract: An organometallic compound represented by Formula 1A: wherein, in Formula 1A, groups and variables are the same as described in the specification.

Abstract: An organometallic compound represented by Formula 1: M1(Ln1)n1(Ln2)n2??Formula 1 wherein M1 is a transition metal, Ln1 is a ligand represented by Formula 1A, Ln2 is a ligand represented by Formula 1B, n1 is 1 or 2, and n2 is 1 or 2: wherein ring CY1, ring CY2, ring CY3, X1, X2, X41, X42, R1 to R6, R10, R20, R30, R40, b10, b20, b30, and b40 are as described in the detailed description, and * and *? each indicate a binding site to M1.

Abstract: An organometallic compound, represented by Formula 1: M1(Ln1)n1(Ln2)n2??Formula 1 wherein, Ln1 is a ligand represented by Formula 1-1, Ln2 is a ligand represented by Formula 2-1 or Formula 2-2, n1 may be 1 or 2, and n2 may be 1 or 2, wherein the other substituents may be understood by referring to the descriptions thereof provided herein:

Abstract: An organometallic compound, represented by Formula 1: M1(Ln1)n1(Ln2)n2??Formula 1 wherein, in Formula 1, Ln1 is a ligand represented by Formula 1A, Ln2 is a ligand represented by Formula 1B, n1 is 1 or 2, and n2 is 1 or 2: wherein X1, X2, Y1, Y2, Y3, Y4, Y5, Y6, Y7, Y8, Y9, Y10, CY1, CY2, CY3, T1, T2, a1, a2, R10, R20, R30, b10, b20, and b30 are each as described herein.

Abstract: An organometallic compound, represented by Formula 1: M1(L1)n1(Ln2)n2??Formula 1 wherein M1 is a transition metal, Ln1 is a ligand represented by Formula 1-1, Ln2 is a ligand represented by Formula 2-1 or Formula 2-2, n1 is 1 or 2, and n2 is 1 or 2: wherein CY11, CY12, X31, X32, R10A, R10B, R21 to R28, R31 to R37, R41 to R44, b11, and b12 are as defined herein, and * and *? each indicate a binding site to M1.

Abstract: An organometallic compound, represented by Formula 1: M1(Ln1)n1(Ln2)n2??Formula 1 wherein, in Formula 1, M1 is a transition metal, Ln1 is a ligand represented by Formula 1A, Ln2 is a ligand represented by Formula 1B, n1 is 1 or 2, and n2 is 1 or 2: wherein the substituents of Formulae 1A and 1B are as provided herein in the detailed description.

Abstract: A composition including a first compound and a second compound, wherein the first compound is an organometallic compound represented by Formula 1, the second compound is an organometallic compound represented by Formula 2, the first compound and the second compound are different from each other, the first compound and the second compound are each not tris[2-phenylpyridine]iridium, and |?P(Ir1)-?P(Ir2)| is in a range of 0 nm to about 30 nm, and at least one of Expressions 1 to 4 presented in the specification is satisfied, Ir(L11)n11(L12)n12(L13)n13??Formula 1 Ir(L21)n21(L22)n22(L23)n23??Formula 2 wherein L11 to L13, L21 to L23, n11 to n13, and n21 to n23 are as provided herein.

Abstract: A display apparatus includes: an organic light emitting diode (OLED) structure including in which at least one blue light-emitting unit and at least one green light-emitting unit are stacked to provide incident light in which the blue incident light and the green incident light are mixed; a first pixel, a second pixel, and a third pixel disposed on the OLED structure; color conversion layers disposed on at least two of the first, the second, or the third pixels, and including quantum dots for converting the mixed incident from the OLED structure into light of a predetermined color; and first, second, and third color filters disposed on the first, the second, and the third pixels, respectively, to absorb or block light of a predetermined wavelength band, wherein a conversion value of an area of a spectrum in a wavelength region of 380 nanometers to 780 nanometers of the green incident light with respect to a difference between a wavelength at the maximum transmittance of the second color filter and the medial

Abstract: Provided are a light-emitting device and an electronic apparatus including the same.

Abstract: Provided are a light-emitting device and an electronic apparatus including the same, the light-emitting device including: a first electrode; a second electrode facing the first electrode; and an emission layer between the first electrode and the second electrode.

Abstract: Provided are a light-emitting device and an electronic apparatus including the light-emitting device. The light-emitting device may include: an emission layer between a first electrode and a second electrode. The emission layer may include i) a first emission layer and ii) a second emission layer between the first emission layer and the second electrode, the first emission layer may be in direct contact with the second emission layer, the first emission layer may include a first dopant, a first hole-transporting compound, and a first electron-transporting compound, the second emission layer may include a second dopant, a second hole-transporting compound, and a second electron-transporting compound, the first dopant may be identical to the second dopant, and the first electron-transporting compound may be different from the second electron-transporting compound, electron mobility of the second electron-transporting compound may be greater than electron mobility of the first electron-transporting compound.

Abstract: A display apparatus including an OLED (organic light-emitting device) substrate having a structure in which at least one blue light-emitting unit and at least one green light-emitting unit are stacked, wherein the OLED substrate generates a mixed light of a blue light and a green light; and a color controller provided on the OLED substrate to adjust color of a light generated from the OLED substrate. The color controller includes a first color control element having a plurality of first quantum dots for green conversion; a second color control element having plurality of second quantum dots for red conversion; a third color control element for presenting a blue color; a first color filter provided on the first color control element; and a second color filter provided on the second color control element.

Abstract: A composition, including a first compound represented by Formula 1 and a second compound represented by Formula 2: Ir(L11)n11(L12)n12(L13)n13??Formula 1 Ir(L21)n21(L22)n22(L23)n23??Formula 2 wherein L11, L12, L13, L21, L22, and L23 are each i) a bidentate ligand bonded to Ir of Formula 1 or 2 via two nitrogen atoms, ii) a bidentate ligand bonded to Ir of Formula 1 or 2 via a nitrogen atom and a carbon atom, or iii) a bidentate ligand bonded to Ir of Formula 1 or 2 via two carbon atoms, L11, L12, and L13 are different from one another; n11, n12, n21, and n22 are each independently 1 or 2; n13 and n23 are each independently 0 or 1; a sum of n11, n12, and n13 is 3; a sum of n21, n22, and n23 is 3; and L11 and L21 are different from each other.

Abstract: An organometallic compound represented by Formula 1: wherein, in Formula 1, groups and variables are the same as described in the specification.

Abstract: A composition including a first compound represented by Formula 1 and a second compound represented by Formula 2: wherein in Formula 1, M1 is Pt, Pd, or Au, in Formula 2, M2 is Ir, L11 is a ligand represented by Formula 2-1, L12 is a ligand represented by Formula 2-2, L13 is a ligand represented by Formula 2-1 or 2-2, L11 and L12 are different from each other, n11, n12, and n13 are each independently 0, 1, 2, or 3, and a sum of n11+n12+n13 is equal to 3, and wherein the remaining substituent groups are each understood by referring to the detailed description provided herein.