An organic EL display device includes an organic EL element disposed on a flattening film, and a sealing film disposed over the organic EL element, a display region, and a frame region disposed around the display region. The frame region includes a plurality of mask spacers. The flattening film has a recess disposed between the display region and the mask spacers adjacent to the display region. The recess is filled with an organic film.

A semiconductor device with favorable electrical characteristics is provided. A highly reliable semiconductor device is provided. A semiconductor device with stable electrical characteristics is provided. A semiconductor device includes a first insulating layer, a second insulating layer, a semiconductor layer, and a first conductive layer. The semiconductor layer, the second insulating layer, and the first conductive layer are stacked in this order over the first insulating layer. The second insulating layer has a stacked-layer structure in which a first insulating film, a second insulating film, and a third insulating film are stacked in this order. The first insulating film, the second insulating film, and the third insulating film each contain an oxide. The first insulating film includes a portion in contact with the semiconductor layer. The semiconductor layer contains indium, gallium, and oxygen and includes a region with an indium content percentage higher than a gallium content percentage.

A light-emitting device includes a light-transmitting substrate, a light-transmitting interconnect located over the substrate, an insulating layer located over the substrate and the interconnect, and an intermediate layer formed in at least a region of a lateral side of the interconnect that overlaps the insulating layer.

A light-emitting device includes a light-transmitting substrate, a light-transmitting interconnect located over the substrate, an insulating layer located over the substrate and the interconnect, and an intermediate layer formed in at least a region of a lateral side of the interconnect that overlaps the insulating layer.

A display device, includes: a substrate; a thin film transistor layer including a plurality of thin film transistors; a light-emitting element layer including a plurality of light-emitting elements; a display region displaying an image; and an electronic componen being disposed on a back face side of the display region with respect to the substrate, wherein the display region includes a first display region and a second display region, each of the plurality of light-emitting elements includes a first light-emitting element and a second light-emitting element, each of the first light-emitting element and the second light-emitting element, the first electrode of the first light-emitting element includes a first reflective conductive layer, and a first upper transparent conductive layer, the first electrode of the second light-emitting element includes a second transparent conductive layer, and the second transparent conductive layer is crystallized and is thicker than the first upper transparent conductive layer.

A display device includes: a metal layer provided outside an effective display region; and a filter-layered body provided facing the metal layer. The filter-layered body includes a first color filter and a second color filter having a hole.

A light-emitting device includes a first electrode, a second electrode facing the first electrode, a light-emitting layer provided between the first electrode the second electrode and including a phosphor, a layered body including a metal layer, a first insulating layer provided on a second electrode side of the metal layer, and a second insulating layer provided on a light-emitting layer side of the metal layer, and having a thickness that allows electron injection from the second electrode to the light-emitting layer, a first power supply configured to apply a voltage between the first electrode and the second electrode, and a second power supply configured to apply, between the metal layer and the second electrode, a voltage of which polarity of the second polarity is opposite to a polarity of the second electrode of a voltage applied by the first power supply between the first electrode and the second electrode.

A display device includes a base member, a thin film transistor, an organic insulation film, a light-emitting layer, and a sealing layer. The display device has an active area and a non-active area. The non-active area includes a notched portion and a protrusion portion surrounding the notched portion and having, on a notched portion side, a side face including a reverse-tapered face. The light-emitting layer is disconnected as a result of a step at the protrusion portion. A filling material is embedded in at least a part of a space located between the reverse-tapered face and a top face of the organic insulation film. The top face overlaps the reverse-tapered face in a plan view.

A display device includes: a substrate; a thin film transistor layer including a plurality of thin film transistors; a light-emitting element layer including a plurality of light-emitting elements; a display region; and an electronic component disposed on a back face side of the display region, wherein the light-emitting element layer includes a first electrode, an edge cover, a light-emitting function layer, and a second electrode, the plurality of light-emitting elements include a first light-emitting element and a second light-emitting element located in the second display region, an area of the first electrode of the second light-emitting element is smaller than an area of the first electrode of the first light-emitting element, a first contact hole is located at a position overlapping with the edge cover, and a second contact hole is located at a position corresponding to the opening of the edge cover.

A display device includes at least the following: a single contact hole; n TFTs , where n is a natural number equal to or greater than two; and n electrodes-(6), wherein the n electrodes-(6) are electrically connected to the respective n TFTs via the single contact hole.