A light emitting display device includes: a light emitting element; a second transistor connected to a scan line; a first transistor which applies a current to the light emitting element; a capacitor connected to a gate electrode of the first transistor; and a third transistor connected to an output electrode of the first transistor and the gate electrode of the first transistor. Channels of the second transistor, the first transistor, and the third transistor are disposed in a polycrystalline semiconductor layer, and a width of a channel of the third transistor is in a range of about 1 μm to about 2 μm, and a length of the channel of the third transistor is in a range of about 1 μm to about 2.5 μm.

A trilayer resist system design and method for patterning organic devices including organic light emitting diode (OLED) devices suited for high-definition light field displays. The trilayer resist system is comprised of a fluoropolymer base layer, an inorganic transfer layer and a top positive-type photoresist layer that protects organics formed upon a substrate from damage resulting from the radiation, developers and solvents used in traditional photolithography techniques and thereby resulting in a high-resolution multi-colored OLED array.

[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.

A display device includes a substrate, a lens layer including a plurality of lenses, and a plurality of pixel electrodes disposed between the substrate and the lens layer. The plurality of pixel electrodes include a first pixel electrode and a second pixel electrode. The plurality of lenses include a first lens disposed correspondingly to the first pixel electrode and a second lens disposed correspondingly to the second pixel electrode. An area of the first pixel electrode in plan view is greater than an area of the second pixel electrode in the plan view. An area of the first lens in the plan view is greater than an area of the second lens.

An organic electroluminescence device includes an organic electroluminescence element, and a protective layer configured to protect the organic electroluminescence element, wherein the protective layer includes a first insulating film, a second insulating film, a third insulating film, a fourth insulating film, and a fifth insulating film, each of the first insulating film, the second insulating film, the third insulating film, the fourth insulating film, and the fifth insulating film is formed of an inorganic material, and a density of the first insulating film is lower than a density of each of the third insulating film and the fifth insulating film.

A display apparatus includes: a substrate including a first area and a second area; and a display element layer including a first display element and a second display element. The first display element includes a first electrode having a first thickness and is located in the first area, and the second display element includes a second electrode having a second thickness, which is less than the first thickness, and is located in the second area. The second display element is provided in plural, and one of the plurality of second display elements and another one of the plurality of second display elements are electrically connected to each other.

A light emission element of an embodiment of the present disclosure includes at least: a base; a recessed portion provided at a surface of the base; a first electrode layer formed at least partially along a shape of a top surface of the recessed portion; an organic layer formed on the first electrode layer at least partially along a shape of a top surface of the first electrode layer; a second electrode layer formed on the organic layer along a shape of a top surface of the organic layer; and a planarization layer formed on the second electrode layer, in which light from the organic layer is emitted to an outside via the second electrode layer and the planarization layer.

A light-emitting device is provided. The light-emitting device includes an anode, a cathode, and a combined charge transport and emissive layer (CCTEL) disposed between the anode and the cathode. The CCTEL includes a crosslinked charge transport material, a first plurality of quantum dots having a first energy gap, and a second plurality of quantum dots having a second energy gap wider than the first energy gap.

A display panel includes a plurality of light-emitting elements. Light emitted from a first light-emitting element has a CIE 1931 chromaticity coordinate x of greater than 0.680 and less than or equal to 0.720 and a CIE 1931 chromaticity coordinate y of greater than or equal to 0.260 and less than or equal to 0.320. Light emitted from a second light-emitting element has a CIE 1931 chromaticity coordinate x of greater than or equal to 0.130 and less than or equal to 0.250 and a CIE 1931 chromaticity coordinate y of greater than 0.710 and less than or equal to 0.810. Light emitted from a third light-emitting element has a CIE 1931 chromaticity coordinate x of greater than or equal to 0.120 and less than or equal to 0.170 and a CIE 1931 chromaticity coordinate y of greater than or equal to 0.020 and less than 0.060.

A display device which exhibits light with high color purity is provided. A display device with low power consumption is provided. An embodiment is a display device which includes a first pixel electrode, a second pixel electrode, a light-emitting layer, a common electrode, a first protective layer, and a semi-transmissive layer. The light-emitting layer includes a first region positioned over the first pixel electrode and a second region positioned over the second pixel electrode. The common electrode is positioned over the light-emitting layer. The first protective layer is positioned over the common electrode. The semi-transmissive layer is positioned over the first protective layer. Reflectivity with respect to visible light of the semi-transmissive layer is higher than reflectivity with respect to visible light of the common electrode. The semi-transmissive layer does not overlap with the first region and overlaps with the second region. For example, the semi-transmissive layer may include an opening in a position overlapping with the first region.