Abstract: A quantum dot including a core that includes a first semiconductor nanocrystal including zinc and selenium, and optionally sulfur and/or tellurium, and a shell that includes a second semiconductor nanocrystal including zinc, and at least one of sulfur or selenium is disclosed. The quantum dot has an average particle diameter of greater than or equal to about 13 nm, an emission peak wavelength in a range of about 440 nm to about 470 nm, and a full width at half maximum (FWHM) of an emission wavelength of less than about 25 nm. A method for preparing the quantum dot, a quantum dot-polymer composite including the quantum dot, and an electronic device including the quantum dot is also disclosed.

Abstract: An electroluminescent display device includes an electroluminescent display device includes a substrate; a first pixel row on the substrate including a first plurality of pixels arranged along a first direction; a second pixel row on the substrate including a second plurality of pixels arranged along the first direction, the second pixel row being spaced apart from the first pixel row in a second direction; a first groove between the first and second pixel rows; and a light emitting diode in each pixel of the first and second pixel rows, wherein the first groove includes a first portion at one end of the first pixel row, a second portion at the other end of the first pixel row and a third portion between the first and second portions, and wherein third portion is smaller than the first portion and greater than the second portion.

Abstract: The present invention relates to a refrigerator, and particularly, to a refrigerator characterized by comprising: a main body which includes an outer casing and an inner casing, wherein the outer casing has an opening formed in a back panel thereof, and the inner casing is provided within the outer casing and provides, in an upper part thereof, an ice-making compartment and a refrigerator compartment, and a freezer compartment in a lower part thereof; an evaporator casing which is provided between the outer casing and the inner casing and forms an installation space in communication with the ice-making compartment and the opening; an evaporator which is installed in the installation space via the opening and provides cold air to the ice-making compartment; and an insulating cover which opens and closes the opening. Accordingly, the evaporator can be installed from the outside of the back panel of the main body, thus allowing the installation space of the evaporator casing to remain securely sealed.

Abstract: A molding method for a cover window includes: locally heating a peripheral portion of a glass substrate around a central portion of the glass substrate to a temperature of about 610° C. to about 670° C., forming a cover window by pressing the glass substrate, and annealing and cooling the cover window. Accordingly, a cover window in which each of edges has an outwardly convex curved surface through a glass substrate may be formed. In addition, the surface roughness of a cover window formed through a glass substrate may be improved.

Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens, disposed in order from an object side to an imaging plane. One or any combination of the first lens to the seventh lens are formed of glass. One or both surfaces of one or more of the first lens to the seventh lens are aspherical. A pair of lenses, among the first lens to the seventh lens, allows paraxial areas opposing each other to be bonded to each other.

Abstract: A display device comprises a first pixel including a first emission area, a second pixel including a second emission area spaced apart from the first emission area in a first direction, and a bank partitioning the first emission area and the second emission area, wherein the first pixel includes a first alignment electrode, a second alignment electrode, and a third alignment electrode sequentially located, spaced apart from each other in the first direction, and overlapping with the first emission area, first light-emitting elements above, and overlapping with, the first alignment electrode and the second alignment electrode, second light-emitting elements above, and overlapping with, the second alignment electrode and the third alignment electrode, and a dummy electrode between the first emission area and the second emission area, and overlapping with the bank.

Abstract: The present inventive concept relates to a display device. A display device according to an exemplary embodiment of the present inventive concept include: a base layer including a plurality of islands in which a pixel is disposed, a plurality of bridges disposed around each of the plurality of islands, a plurality of first wires disposed in a bridge of the plurality of bridges connected to the pixel is disposed; an inorganic insulating layer disposed on the base layer and having an opening exposing a portion of the bridge; and an organic material layer covering the opening, wherein adjacent islands of the plurality of islands are connected to each other through at least the bridge of the plurality of bridges, and the plurality of first wires are disposed on the organic material layer.

Abstract: A display device includes a light blocking layer surrounding a light emitting area; a light emitting element disposed in the light emitting area; and a reflective layer disposed on the light emitting element, and a width of the light emitting area in a first direction is less than a width of the light emitting area in a second direction, and heights of first areas of the reflective layer facing each other in the first direction are greater than heights of second areas of the reflective layer facing each other in the second direction.

Abstract: Disclosed is an organic light emitting diode (OLED) comprising at least one emitting unit that includes a first compound, which may have a bipolar property, a second compound, which may have a delayed fluorescent property, and a third compound, which may have narrow FWHM (full width at half maximum) and a fluorescent property, and an organic light emitting device including the OLED. Further the compounds have defined relative LUMO and HOMO energies. The OLED and the organic light emitting device has enhanced luminous efficiency, color purity and luminous life span as well as low driving voltage.

Abstract: A display device includes: a display panel including a front portion, a first side portion extended from a first side of the front portion, a second side portion extended from a second side of the front portion, and a corner portion between the first side portion and the second side portion. The display panel includes: a first display area on the front portion and including first pixels; and a second display area at the corner portion and including second pixels. The second display area includes a first encapsulation divider between adjacent ones of the second pixels.

Abstract: Provided is a compound of Chemical Formula 1: wherein X is O or S; L1 and L2 each independently is a direct bond or a substituted or unsubstituted arylene group; X1 is N or CR1, X2 is N or CR2, X3 is N or CR3, and at least two of X1 to X3 are N; R1 to R3 each independently is hydrogen, deuterium, or a substituted or unsubstituted alkyl, aryl or heteroaryl group; Ar1 and Ar2 each independently is hydrogen, deuterium, or a substituted or unsubstituted alkyl, aryl or heteroaryl group; positions at which ?is substituted with ?are asymmetric; m1, m2, n1 and n2 each independently is 0 or 1; and m1+m2 is 1, and n1+n2 is 1, and an organic light emitting device comprising the same.

Abstract: Provided is a heterocyclic compound of Chemical Formula 1: wherein: L is a substituted or unsubstituted tricyclic or higher divalent heterocyclic group including two or more heteroatoms selected from among N, O and S; Ar is a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group; and R1 to R14 are the same as or different from each other, and each independently is hydrogen, a nitrile group, a halogen group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group, or bond to adjacent groups to form at least one substituted or unsubstituted aromatic ring; and an organic light emitting device including the same.

Abstract: The present disclosure relates to an organic compound having the following structure of Chemical Formula 1, and an organic light emitting diode (OLED) and an organic light emitting device including the organic compound. The organic compound is a bipolar organic compound having a p-type moiety and an n-type moiety. The organic compound has a high excited triplet energy level, a wide energy bandgap and excellent thermal stability. When the organic compound is introduced into an emitting material layer (EML) of the OLED, holes and electrons are recombined in the whole area of the EML, thus the OLED can improve its luminous efficiency and luminous lifetime.

Abstract: A display device includes first pixel to third pixels, light emitting elements located in the first to third pixels, a color conversion layer located on the light emitting elements, a light blocking layer located on the color conversion layer, and a planarization layer located between the color conversion layer and the light blocking layer. A thickness of the planarization layer of the first pixel is thicker than a thickness of the planarization of the second pixel.

Abstract: A display apparatus, a control method thereof and a recording medium are provided. The display apparatus includes: a display; a communicator configured to communicate with at least one external apparatus; and a processor configured to: control a user interface (UI) to be displayed on the display, the UI including a first item corresponding to the display apparatus and a second item corresponding to the at least one external apparatus and being displayed to distinguish between an external apparatus connected to the display apparatus and an external apparatus disconnected from the display apparatus, and, based on one of at least one of the second item being selected, control the external apparatus corresponding to the selected item to be connected to or disconnected from the display apparatus through the communicator.

Abstract: A compound of Chemical Formula 1, and an organic light emitting device including the same.

Abstract: A packing box according to an embodiment includes a lower body including a bottom portion and a lower wall portion extending upward from the bottom portion; and an upper body including a cover portion and an upper wall portion extending downward from the cover portion defining an inner space with the lower body in case that combined with the lower body. The upper wall portion includes at least one groove in which an edge portion of a display device is inserted, and the cover portion includes at least one opening abutting with the at least one groove.

Abstract: The present disclosure relates to a display panel including a display area that can be stretched by including a plurality of stretching units and a peripheral area positioned at an edge of the display area. Each of the stretching units includes: a plurality of islands separately disposed to include a plurality of pixels disposed therein; a plurality of bridges extended from the islands to connect adjacent islands or to connect the islands with the peripheral area; and a plurality of openings disposed adjacent to the bridges, between the bridges, and between the bridges and the islands, wherein areas of the islands are gradually increased toward the peripheral area.

Abstract: A display device includes: a display panel including a front portion, a first side portion extended from a first side of the front portion, a second side portion extended from a second side of the front portion, and a corner portion between the first side portion and the second side portion. The display panel includes: a first display area on the front portion and including first pixels; and a second display area at the corner portion and including second pixels. The second display area includes a first encapsulation divider between adjacent ones of the second pixels.

Abstract: A diode display includes a substrate having a first island and a second island spaced apart from each other, a first pixel disposed on the first island, and a second pixel disposed on the second island. The first pixel includes a first base layer, a first transistor on the first base layer, a first light emitting element electrically connected to the first transistor, and a first encapsulation layer covering the first light emitting element. The second pixel includes a second base layer, a second transistor on the second base layer, a second light emitting element connected to the second transistor, and a second encapsulation layer covering the second light emitting element.