An organic light emitting display device can include a display panel including a plurality of data lines and a plurality of scan lines intersecting each other, and unit pixels disposed in a matrix arrangement, each of the unit pixels being disposed in a region where one scan line intersects three data lines; a data driving circuit configured to drive the plurality of data lines; and a gate driving circuit configured to drive the plurality of gate lines. Also, each of the unit pixels comprises two subpixels, and each of the two subpixels has a structure in which red, green and blue light emitting elements are stacked.

Increasing transparency of one or more micro-displays. A method includes attaching a transparent cover to at least a portion of a semiconductor wafer. The at least a portion of the semiconductor wafer includes the one or more micro-displays. The one or more micro-displays include one or more active silicon areas. The method further includes, after the transparent cover has been attached to the at least a portion of the semiconductor wafer, removing silicon between one or more of the active silicon areas.

An electroluminescent element and an electroluminescent display device having realizing high luminance and high resolution are proposed. The electroluminescent element and an electroluminescent display device includes a first light emitting element provided with a first light emitter emitting light of a first color and a second light emitter emitting light of a second color different from the first color, the first light emitter and the second light emitter being disposed to be adjacent to each other, and a second light emitting element provided with a third light emitter disposed to overlap the first light emitter and the second light emitter and emitting light of a third color different from the first and second colors, wherein light of the first and second colors emitted from the first light emitting element is emitted through the second light emitting element.

A layered type organic electroluminescence element including two organic electroluminescence layers disposed between a positive electrode and a negative electrode with an intermediate layer interposed therebetween, wherein the intermediate layer contains an alkali metal compound, a reduced form of the alkali metal compound, and a metal element of group II of the periodic table.

A light-emitting device, an electronic device, and a display device each consume less power are provided. The light-emitting device includes a first light-emitting element, a second light-emitting element, and a third light-emitting element that share an EL layer. The EL layer includes a layer containing a light-emitting material that emits blue fluorescence and a layer containing a light-emitting material that emits yellow or green phosphorescence. Light emitted from the second light-emitting element enters a color filter layer or a second color conversion layer, and light emitted from the third light-emitting element enters a first color conversion layer.

[Object] To make it possible to improve light extraction efficiency while realizing a desired viewing angle characteristic for each pixel. [Solution] Provided is a display device, including: a plurality of light emitting sections formed on a substrate; and reflectors provided above the light emitting sections with respect to the plurality of light emitting sections positioned in at least a partial region of a display surface, lower surfaces of the reflectors reflecting part of emission light from the light emitting sections. The light emitting sections and the reflectors are arranged in a state in which centers of the reflectors are shifted from centers of luminescence surfaces of the light emitting sections in a plane perpendicular to a stacking direction so that light emitted in a direction other than a desired direction among the emission light from the light emitting sections is reflected.

An organic electroluminescence display device includes: a substrate; a first electrode including a first sub-electrode and a second sub-electrode spaced apart from each other and on the substrate; a first light emitting unit on the first electrode; a charge generation unit on the first light emitting unit; a second light emitting unit on the charge generation unit; and a second electrode on the second light emitting unit, wherein the first light emitting unit comprises a first light emitting layer correspondingly on the first sub-electrode; and a second light emitting layer correspondingly on the second sub-electrode, wherein the second light emitting unit comprises a third light emitting layer correspondingly on the first light emitting layer; and a fourth light emitting layer correspondingly on the second light emitting layer.

Presented is an organic light-emitting device including a host, a dopant, and a sensitizer.

A light emitting diode (LED) stack for a display including a first LED sub-unit configured to emit a first colored light, a second LED sub-unit disposed on the first LED sub-unit and configured to emit a second colored light, and a third LED sub-unit disposed on at least one of the first LED sub-unit and the second LED sub-unit and configured to emit a third colored light, in which the first LED sub-unit is configured to emit light through the second LED sub-unit and the third LED sub-unit, and the second LED sub-unit is configured to emit light through the third LED sub-unit.

A display device includes: a substrate; a transistor disposed on the substrate; a first electrode connected to the transistor; an emission layer disposed on the first electrode; a second electrode disposed on the emission layer; a common voltage line connected to the second electrode; and a third electrode and a fourth electrode disposed between the common voltage line and the second electrode.