A double-sided organic light-emitting display device includes: a first electrode layer for emitting electrons; a second electrode layer which emits holes and is disposed perpendicularly to the first electrode layer; an organic light-emitting layer interposed between the first electrode layer and the second electrode layer, and including multiple pixels so as to emit light at a portion where the first electrode layer and the second electrode layer intersect with each other, by the collision between the electrons and the holes; and a reflector unit formed in an arbitrary pattern which reflects, in the opposite direction, light transmitted through the first or the second electrode layer, or a pattern reversed with respect to the arbitrary pattern, such that the multiple pixels display a first image on one surface in the arbitrary pattern, and display a second image on the other surface in the pattern reversed with respect to the arbitrary pattern.

A display device includes: a substrate; a flattened layer; at least one first light-emitting element; at least one second light-emitting element; at least one first drive circuit; and at least one second drive circuit, wherein light emitted by the first light-emitting element is taken out through the substrate, light emitted by the second light-emitting element is taken out from a direction opposite to a direction in which the light emitted by the first light-emitting element is taken out, the first light-emitting element is provided in an opening provided in the flattened laver, the second light-emitting element is provided in a layer above the flattened layer and overlaps the flattened layer, and the first drive circuit and the second drive circuit are provided closer to the substrate than the second light-emitting element.

A light-emitting device (20) includes a light-emitting region (140). The light-emitting region (140) includes a plurality of light-emitting units (142) and a plurality of light-transmitting units (144), and each of the plurality of light-transmitting units (144) is located between the light-emitting elements (142) adjacent to each other. The light-emitting region (140) is located on a side of one surface (outer surface (202)) of a base material (200) having light-transmitting properties and has an inclination with respect to the one surface (outer surface (202)). The base material (200) is rear glass of an automobile. The base material (200) partitions a region outside a mobile object (region (RG1)) from a region inside the mobile object (region (RG2)).

A light-emitting device (20) includes a light-emitting region (140). The light-emitting region (140) includes a plurality of light-emitting units (142) and a plurality of light-transmitting units (144), and each of the plurality of light-transmitting units (144) is located between the light-emitting elements (142) adjacent to each other. The light-emitting region (140) is located on a side of one surface (outer surface (202)) of a base material (200) having light-transmitting properties and has an inclination with respect to the one surface (outer surface (202)). The base material (200) is rear glass of an automobile. The base material (200) partitions a region outside a mobile object (region (RG1)) from a region inside the mobile object (region (RG2)).

A transparent display substrate includes a first base and a plurality of sub-pixels disposed on the first base. At least one sub-pixel of the plurality of sub-pixels has a light-emitting region and a transparent region. In the at least one sub-pixel, each sub-pixel includes at least one thin-film transistor, a capacitor and a self-luminescent device that are located in the light-emitting region of the sub-pixel. The self-luminescent device is disposed on a side of the capacitor away from the at least one thin film transistor in a direction perpendicular to the first base. The at least one thin film transistor and the capacitor are electrically connected.

Provided are compounds, formulations comprising compounds, and devices that utilize compounds, where the devices include a substrate, a first electrode, an organic emissive layer comprising an organic emissive material disposed over the first electrode. The device includes an enhancement layer, comprising a plasmonic material exhibiting surface plasmon resonance that non-radiatively couples to the organic emissive material and transfers excited state energy from the organic emissive material to the non-radiative mode of surface plasmon polaritons. The enhancement layer is provided no more than a threshold distance away from the organic emissive layer, where the organic emissive material has a total non-radiative decay rate constant and a total radiative decay rate constant due to the presence of the enhancement layer. At least one of the organic emissive material and the organic emissive layer has a vertical dipole ratio (VDR) value of equal or greater than 0.33.

A light-emitting device emits light in a first direction and also emits light in a second direction opposite to the first direction. The light-emitting device includes a first light-emitting layer configured to emit light of a first color, and a second light-emitting layer configured to emit light of a second color different from the first color. The first light-emitting layer and the second light-emitting layer overlap each other as viewed from the first direction. The light-emitting device reduces a difference in tinge between emission light in the first direction and emission light in the second direction.

A system and method for removable or semi-permanent installation of a transparent organic lighting diode (TOLED) display with transparency control are disclosed. In one embodiment, the system includes a TOLED display that includes a TOLED panel with a front side and a back side, a cover glass or a touch sensor coupled to the front side of the TOLED panel, and a transparency control medium coupled to the back side of the TOLED panel to provide transparency control of the TOLED panel, wherein the transparency control medium is an electrochromic (EC) glass, a Suspended Particle Device (SPD) film, or a Polymer Dispersed Liquid Crystal (PDLC) film. The system further includes a versatile hinge assembly coupled to the TOLED display to enable the TOLED display to be used in a table top or desktop configuration or to be mounted to a support structure.

A system and method for removable or semi-permanent installation of a transparent organic lighting diode (TOLED) display with transparency control are disclosed. In one embodiment, the system includes a TOLED display that includes a TOLED panel with a front side and a back side, a cover glass or a touch sensor coupled to the front side of the TOLED panel, and a transparency control medium coupled to the back side of the TOLED panel to provide transparency control of the TOLED panel, wherein the transparency control medium is an electrochromic (EC) glass, a Suspended Particle Device (SPD) film, or a Polymer Dispersed Liquid Crystal (PDLC) film. The system further includes a versatile hinge assembly coupled to the TOLED display to enable the TOLED display to be used in a table top or desktop configuration or to be mounted to a support structure.

A transparent display panel has an auxiliary electrode region including a partition wall whose a width of a top face is larger than that of a bottom face thereof. The auxiliary electrode region is disposed on a line region within a display region. A second electrode of an organic light-emitting element and a VSS voltage connection line is electrically connected to each other via an auxiliary electrode, such that electrical resistance of the second electrode as a transparent electrode is reduced. Further, the auxiliary electrode region is formed on each of a plurality of line regions respectively including VSS voltage connection lines extending across the display region. Thus, a current is fed to each pixel in the display region in a smooth manner, such that luminance distribution across the panel is uniform.