A display device including display regions with inconspicuous seam is provided. The display device includes a first display panel and a second display panel. The first display panel includes a first display region and a visible-light-transmitting region. The second display panel includes a second display region. The first display region is adjacent to the visible-light-transmitting region. The first display region includes a first light-emitting element and a second light-emitting element. A first common electrode included in the first light-emitting element includes a portion in contact with a second common electrode included in the second light-emitting element. The first common electrode has a function of reflecting visible light. The second common electrode has a function of transmitting visible light. The second light-emitting element is positioned closer to the visible-light-transmitting region than the first light-emitting element. The second display region includes a portion overlapping with the second light-emitting element and a portion overlapping with the visible-light-transmitting region.

An electronic device includes a first electrode and a second electrode facing each other, an emission layer comprising a plurality of quantum dots, wherein the emission layer is disposed between the first electrode and the second electrode; a first charge auxiliary layer disposed between the first electrode and the emission layer; and an optical functional layer disposed on the second electrode on a side opposite the emission layer, wherein the first electrode includes a reflecting electrode, wherein the second electrode is a light-transmitting electrode, wherein a region between the optical functional layer and the first electrode comprises a microcavity structure, and a refractive index of the optical functional layer is greater than or equal to a refractive index of the second electrode.

An opposing substrate as a substrate for an electro-optical device includes a transparent base member and a light shielding portion disposed on a region between pixels on the base member. The light shielding portion includes a first reflective film and a second reflective film that is disposed to overlap the first reflective film and has a reflection rate lower than that of the first reflective film, and a first protective film that covers the first reflective film is provided between the first reflective film and the second reflective film.

The organic EL display device includes at least a transparent electrode, an organic EL layer, and a non-transparent electrode in this order and further includes a black insulating layer, and the non-transparent electrode has a reflectance of 25%±20%.

A technique comprising: forming on a support film a first stack of layers defining an array of photodiodes; forming over the first stack of layers in situ on the support film a second stack of layers defining electrical circuitry by which the photoresponse of each photodiode is independently detectable via an array of conductors outside the array of photodiodes; wherein forming the first stack of layers comprises depositing an organic semiconductor material over a first electrode, and depositing a second electrode over the organic semiconductor material, wherein the electrical circuitry comprises transistors including photosensitive semiconductor channels, and the second electrode also functions to substantially block the incidence of light on the photosensitive semiconductor channels from the direction of the support film.

A display panel includes: a substrate; anodes that are two-dimensionally disposed on or above the substrate; light-emitting layers that are disposed on or above the anodes in correspondence with the respective anodes; an intermediate layer that is disposed on or above the light-emitting layers and includes a fluoride of a first metal selected from alkali metals or alkaline earth metals; a functional layer that is disposed on the intermediate layer and includes a second metal selected from alkaline earth metals or rare earth metals; a cathode that is disposed on or above the functional layer; a blocking layer that is disposed on or above the cathode and includes a fluoride of a third metal selected from alkali metals or alkaline earth metals; and a sealing layer that is disposed on or above the blocking layer.

A light-emitting device (10) includes a substrate (100), a first electrode (110), an organic layer (120), a plurality of first metal-containing layers (132), a metal compound-containing layer (134), and a second metal-containing layer (136). The first electrode (110) is located over the substrate (100), and has a light transmitting property. The organic layer (120) is located over the first electrode (110). The plurality of first metal-containing layers (132) are located over the organic layer (120), and has a light shielding property. The metal compound-containing layer (134) covers the plurality of first metal-containing layers (132), and has a light transmitting property. The second metal-containing layer (136) covers the metal compound-containing layer (134), and has a light transmitting property.

A light-emitting device (10) includes a substrate (100), a first electrode (110), an organic layer (120), a plurality of first metal-containing layers (132), a metal compound-containing layer (134), and a second metal-containing layer (136). The first electrode (110) is located over the substrate (100), and has a light transmitting property. The organic layer (120) is located over the first electrode (110). The plurality of first metal-containing layers (132) are located over the organic layer (120), and has a light shielding property. The metal compound-containing layer (134) covers the plurality of first metal-containing layers (132), and has a light transmitting property. The second metal-containing layer (136) covers the metal compound-containing layer (134), and has a light transmitting property.

An organic EL element includes a pixel electrode, a light emitting function layer that is formed on the pixel electrode, an electron injection layer formed on the light emitting function layer, and a counter electrode that is formed on the electron injection layer and that has semi-transmissive reflectivity, in which the counter electrode contains a reductive material that reduces material of the electron injection layer and Ag with atomic ratio of 75% or more, and an adsorption layer is formed on the counter electrode.

An organic light-emitting display apparatus including: a first electrode of a first group; a first organic functional layer covering the first electrode of the first group and including a first emission layer; a second electrode of the first group covering the first organic functional layer; a first electrode of a second group separate from the first electrode of the first group; a second organic functional layer separate from the first organic functional layer, covering the first electrode of the second group, having a larger area than the first organic functional layer, and including a second emission layer; a second electrode of the second group covering the second organic functional layer; and a common electrode integrally and commonly disposed on the second electrode of the first group and the second electrode of the second group.