Abstract: An organometallic compound represented by Formula 1: wherein, Y1 to Y4 are each independently C or N, one of Y1 to Y4 is N bonded to Ir in Formula 1, and one of the remaining Y1 to Y4 is C bonded to ring CY2 in Formula 1, Y9 is O, S, N(R19), C(R19a)(R19b), or Si(R19a)(R19b), X2 is C, ring CY1 and ring CY2 are each independently a C5-C30 carbocyclic group or a C1-C30 heterocyclic group, Z1 is a group represented by —Si(Q3)(Q4)(Q5) or a group represented by —Ge(Q3)(Q4)(Q5), a1 is an integer from 0 to 2, a2 is an integer from 0 to 20, b1 and b2 are each independently an integer from 1 to 10, and R1, R19, R19a, R19b, R2, R30a, R30b, R37, and Z2 are as described herein.

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

Abstract: Provided are an organometallic compound represented by Formula 1, an organic light-emitting device including the same, and an electronic apparatus comprising the organic light-emitting device: M(L1)n1(L2)n2??Formula 1 wherein, in Formula 1, M, L1, L2, n1, and n2 are the same as described in the detailed description of the specification.

Abstract: Provided are a light-emitting device, an electronic apparatus including the light-emitting device, and a mixture, the light-emitting device including: a first electrode; a second electrode; and an interlayer arranged between the first electrode and the second electrode and including an emission layer, wherein the interlayer includes a first compound represented by Formula 1, a second compound that is free of an electron-transporting group, and a third compound represented by Formula 7, the second compound does not include an indolocarbazole group, and the second compound and the third compound are different from each other. In addition, provided is a mixture including the first compound, the second compound, and the third compound. The first compound, the second compound, and the third compound are respectively the same as those described in the present specification.

Abstract: Provided are a light-emitting device and an electronic apparatus including the light-emitting device, the light-emitting device including: a first electrode; a second electrode; an emission layer arranged between the first electrode and the second electrode; and a buffer layer arranged between the first electrode and the emission layer, wherein the buffer layer is in direct contact with the emission layer, the emission layer includes a first compound represented by Formula 1, and the buffer layer includes a second compound represented by Formula 5. The first compound and the second compound are respectively the same as those described in the present specification.

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

Abstract: An organometallic compound represented by Formula 1: M(L1)n1(L2)n2??Formula 1 wherein, in Formula 1, M is a transition metal, L1 is a ligand represented by Formula 2A, L2 is a ligand represented by Formula 2B, n1 is 1 or 2, wherein, when n1 is 2, two groups L1 are identical to or different from each other, n2 is 1 or 2, wherein, when n2 is 2, two group L2 are identical to or different from each other, the sum of n1 and n2 is 2 or 3, and L1 and L2 are different from each other wherein X1, ring CY1, ring CY2, ring CY14, R1 to R3, R11 to R14, Z1 to Z3, a1, a2, a3, b1, and c1 are the same as described in the description, and * and *? in Formulae 2A and 2B each indicate a binding site to M in Formula 1.

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

Abstract: Provided are an organometallic compound, an organic light-emitting device including the organometallic compound, and a diagnostic composition including the organometallic compound.

Abstract: A display apparatus includes a first pixel, a second pixel, and a third pixel which emit light of different colors from one another, a first insulating layer on a first display element of the first pixel, and a second insulating layer on the first insulating layer. The first insulating layer defines a first opening portion corresponding to the first display element, the second insulating layer defines a first opening corresponding to the first opening portion, and the first opening portion has a first extension portion which extends in a first direction and at least partially exposes the second insulating layer.

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 and ring CY2 are each independently a C5-C30 carbocyclic group or a C1-C30 heterocyclic group, ring CY41 is a phenyl group, ring CY42 is a 5-membered aromatic heterocyclic group, and the other substituents are as described herein.

Abstract: An organometallic compound represented by 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 CY3 is: a 5-membered N-containing heterocyclic group; or a 5-membered N-containing heterocyclic group condensed with a C5-C30 carbocyclic group or a C1-C30 heterocyclic group, ring CY4 is: a 6-membered carbocyclic group; a 6-membered heterocyclic group; a 6-membered carbocyclic group condensed with a C5-C30 carbocyclic group or a C1-C30 heterocyclic group; or a 6-membered heterocyclic group condensed with a C5-C30 carbocyclic group or a C1-C30 heterocyclic group, Y1 is O, S, Se, or C(R1)(R2), Y2 is O or S, and b30, b40, R1, R2, R11 to R14, R21 to R26, R30, and R40 are as defined herein.

Abstract: An organic light-emitting device including a first electrode, a second electrode, an emission layer disposed between the first electrode and the second electrode, a hole transport region disposed between the first electrode and the emission layer, and an electron transport region disposed between the emission layer and the second electrode, wherein the emission layer includes a host and a dopant, wherein the dopant is an iridium-free organometallic compound, and wherein a dopant concentration profile of the emission layer satisfies predetermined parameters disclosed in the specification.

Abstract: A light-emitting device and an electronic apparatus including the same are disclosed. The light-emitting device, includes: a first electrode; a second electrode facing the first electrode; and an interlayer arranged between the first electrode and the second electrode, wherein the interlayer includes a first emission layer and a second emission layer, the first emission layer includes a first compound that emits a first light having a first spectrum, the second emission layer includes a second compound that emits a second light having a second spectrum, the first compound includes a first transition metal, the second compound includes a second transition metal, the first transition metal and the second transition metal are different from each other, |HOMO(1)?HOMO(2)| is about 0.05 eV to about 0.4 eV, and |?max(1)??max(2)| is about 0 nm to about 30 nm, wherein HOMO(1), HOMO(2), ?max(1), and ?max(2) are as described herein.

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: 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 ring CY1 and ring CY2 are each independently a C5-C30 carbocyclic group or a C1-C30 heterocyclic group; ring CY41 is a group represented by Formula 41; X1 is C or N, and X2 is C or N; Y41 is O, S, Se, C(R3)(R4), N(R3), or B(R3); Y42 is O, S, Se, C(R5)(R6), N(R5), or B(R5); and the other substituents are as described in the detailed description.

Abstract: An organometallic compound represented by Formula 1: M1(Ln1)n1(Ln2)n2 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 X1 is C or N, X2 is C or N, Y2 is O or S, and the other substituents are as described in the detailed description.

Abstract: A display apparatus includes an organic light-emitting device (“OLED”) substrate which generates and emits a first light, and an encapsulation layer to which the emitted first light from the OLED substrate is incident and from which a second light is emitted. The encapsulation layer includes an inorganic material layer and an organic material layer alternately stacked with each other. The organic material layer includes a plurality of color control elements which color-convert the emitted first light incident to the encapsulation layer. The plurality of color control elements may include a first and second color control element including a first and second quantum dot with which a color of the emitted first light incident to the encapsulation layer is converted to a first and second color, respectively.

Abstract: An organometallic compound represented by Formula 1: wherein in Formula 1, CY1, R1 to R3, R11 to R13, R21, and b1 are the same as described in the specification.

Abstract: Provided is an electronic device including a display module, and an anti-reflection member disposed on the display module and having an SCI reflectance in a range of about 4% to about 7% with respect to light having a wavelength in a range of about 350 nm to about 370 nm. The anti-reflection member includes a base layer, a hard coating layer disposed on the base layer, a first optical layer disposed on the hard coating layer and having a first refractive index, and a second optical layer disposed on the first optical layer and having a second refractive index that is smaller than the first refractive index.