Alight emitting device comprising lower electrodes arranged on a substrate, an organic layer including a light emitting layer arranged to cover the lower electrodes, an upper electrode arranged to cover the organic layer, a reflective layer arranged between the substrate and the lower electrodes, and an insulating layer arranged between the reflective layer and the lower electrodes, is provided. The reflective layer is arranged to overlap the lower electrodes. The lower electrodes include a first electrode and a second electrode adjacent to each other. An upper electrode contact portion configured to electrically connect the reflective layer and the upper electrode is arranged between the first electrode and the second electrode, and the upper electrode contact portion includes a via hole in which a conductive member configured to electrically connect the reflective layer and the upper electrode is arranged.

A transparent display apparatus is provided, which may improve visibility of an image with respect to external light. The transparent display apparatus comprises a substrate including a plurality of pixels, each of which has a light emission area and a transmissive area, and a reproducing plate disposed in parallel with the substrate, wherein the reproducing plate includes a plurality of reproducing portions at least partially overlapped with the transmissive area.

An image display device according to the present disclosure includes a first self-luminous display element that self-emits an image of first color light, a second self-luminous display element that self-emits an image of second color light, a third self-luminous display element that self-emits an image of third color light, and a prism including a dichroic mirror that synthesizes images of three colors, the first, the second, and the third self-luminous display element are each configured to extract light from a side of a semireflective semitransmissive electrode included in the first, the second, and the third self-luminous display element, and at least one of sums of a thickness of a transparent electrode and a thickness of an optical adjustment layer differs from other in the first, the second, and the third self-luminous display element.

An image display device according to the present disclosure includes a first self-luminous display element that self-emits an image of first color light, a second self-luminous display element that self-emits an image of second color light, a third self-luminous display element that self-emits an image of third color light, and a prism including a dichroic mirror; the first self-luminous display element includes a first functional layer and a first substrate portion, the second self-luminous display element includes a second functional layer and a second substrate portion, and the third self-luminous display element includes a third functional layer and a third substrate portion; the first, the second, and the third substrate portion have an identical configuration in the thickness directions thereof; and the first, the second, and the third functional layer have a mutually different film thickness.

There is provided an organic light emitting diode (OLED) comprising an organic electroluminescent layer formed between a first electrode and a second electrode, characterized in that one of the first and second electrodes comprises a nano-meter metallic layer having a plasmonic photonic crystal structure formed thereon, and wherein the plasmonic photonic crystal structure is configured to interact with surface plasmon polaritons generated at a surface of the ne electrode thereby providing for transmission of electromagnetic radiation having a wavelength of between 350 nm to 750 nm from the OLED.

There is provided an organic EL apparatus as an electro-optic apparatus including: a substrate; a light-emitting element that is provided at a first area of the substrate; a guard line that is provided to surround the first area; and a sealing film or a sealing structure that covers the first area and reaches the guard line.

Full-color pixel arrangements for use in devices such as OLED displays are provided, in which multiple sub-pixels are configured to emit different colors of light, with each sub-pixel having a different optical path length than some or all of the other sub-pixels within the pixel.

A 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 and including an emission layer, an electron transport layer, a first layer including a p-dopant and a second layer including an n-dopant, wherein the electron transport layer is located between the emission layer and the first electrode, the first layer and the second layer are located between the electron transport layer and the first electrode, and the first electrode is a reflective electrode.

A light-emitting element having low driving voltage and high emission efficiency is provided. In the light-emitting element, a combination of a guest material and a host material forms an exciplex. The guest material is capable of converting triplet excitation energy into light emission. Light emission from the light-emitting layer includes light emission from the guest material and light emission from the exciplex. The percentage of the light emission from the exciplex to the light emission from the light-emitting layer is greater than 0 percent and less than or equal to 60 percent. The energy after subtracting the energy of light emission from the exciplex from the energy of light emission from the guest material is greater than 0 eV and less than or equal to 0.23 eV.

Provided is a light-emitting device that can display an image with a wide color gamut or a novel light-emitting element. The light-emitting device includes a plurality of light-emitting elements each of which includes an EL layer between a pair of electrodes. Light obtained from a first light-emitting element through a first color filter has, on chromaticity coordinates (x, y), a chromaticity x of greater than 0.680 and less than or equal to 0.720 and a chromaticity y of greater than or equal to 0.260 and less than or equal to 0.320. Light obtained from a second light-emitting element through a second color filter has, on chromaticity coordinates (x, y), a chromaticity x of greater than or equal to 0.130 and less than or equal to 0.250 and a chromaticity y of greater than 0.710 and less than or equal to 0.810. Light obtained from a third light-emitting element through a third color filter has, on chromaticity coordinates (x, y), a chromaticity x of greater than or equal to 0.120 and less than or equal to 0.170 and a chromaticity y of greater than or equal to 0.020 and less than 0.060.