Abstract: Display devices that suppress complications due to uneven shape of a surface on which a semi-transmissive reflective layer is formed are disclosed. In one example, a display device includes first sub-pixels, second sub-pixels, and third sub-pixels. The first sub-pixel includes a first light emitting element that emits first light and third light, the second sub-pixel includes a second light emitting element that emits second light, and the third sub-pixel includes a third light emitting element that emits first light and third light. The light emitting elements respectively include a first electrode, an organic layer including a light emitting layer, a second electrode, and a semi-transmissive reflective layer, and a resonator structure is configured by the first electrode and the semi-transmissive reflective layer. The heights of the semi-transmissive reflective layers in the first light emitting element and the third light emitting element are the same.

Abstract: A display device includes: a display panel including display elements each including a light emitting unit and a drive circuit for driving the light emitting unit, the display elements being arranged in a two-dimensional matrix on a substrate; and a luminance correction unit for correcting luminances of the display elements in display of an image by the display panel by correcting a gradation value of a video signal, in which a partition (60) for guiding stray light from a light emitting unit to an optical sensor (4) provided on the display panel is provided between adjacent light emitting units of the display panel, and the luminance correction unit corrects a gradation value of a video signal associated with each of the display elements on the basis of a gradation value of an uncorrected video signal and a detection result from the optical sensor.

Abstract: A light emitting element (10) of the present disclosure includes at least a first electrode (31), a second electrode (32), and a light emitting unit (30) sandwiched between the first electrode (31) and the second electrode (32), the light emitting unit 30 at least includes at least two light emitting layers (33a, 33b) that emit different colors and an intermediate layer (33d) located between the two light emitting layers (33a, 33b), the intermediate layer (33d) includes a first organic material (33e) having hole transport properties and a second organic material 33f having electron transport properties, and when a band gap energy of the first organic material (33e) is BGHTM and a band gap energy of a material having a maximum band gap energy among materials constituting two adjacent light emitting layers (33a, 33b) is BGmax, BGHTM-BGmax ? 0.2 eV is satisfied.

Abstract: A display device includes: a display panel including display elements each including a light emitting unit and a drive circuit for driving the light emitting unit, the display elements being arranged in a two-dimensional matrix on a substrate; and a luminance correction unit for correcting luminances of the display elements in display of an image by the display panel by correcting a gradation value of a video signal, in which a partition (60) for guiding stray light from a light emitting unit to an optical sensor (4) provided on the display panel is provided between adjacent light emitting units of the display panel, and the luminance correction unit corrects a gradation value of a video signal associated with each of the display elements on the basis of a gradation value of an uncorrected video signal and a detection result from the optical sensor.

Abstract: A light emitting element includes a structure in which an anode 51, an organic layer 70 containing an organic material and including a light emitting layer, and a cathode 52 are stacked. The light emitting layer includes, from a side of the anode to a side of the cathode, two or more light emitting regions configured to emit different colors of light. Each light emitting region contains a host material and a dopant material. An absolute value of an ionization potential of the host material contained in a light emitting region near to the cathode is larger than an absolute value of an ionization potential of the host material contained in a light emitting region near to the anode.

Abstract: A display device includes: a display panel including display elements each including a light emitting unit and a drive circuit for driving the light emitting unit, the display elements being arranged in a two-dimensional matrix on a substrate; and a luminance correction unit for correcting luminances of the display elements in display of an image by the display panel by correcting a gradation value of a video signal, in which a partition (60) for guiding stray light from a light emitting unit to an optical sensor (4) provided on the display panel is provided between adjacent light emitting units of the display panel, and the luminance correction unit corrects a gradation value of a video signal associated with each of the display elements on the basis of a gradation value of an uncorrected video signal and a detection result from the optical sensor.

Abstract: A display device includes: a display panel including display elements each including a light emitting unit and a drive circuit for driving the light emitting unit, the display elements being arranged in a two-dimensional matrix on a substrate; and a luminance correction unit for correcting luminances of the display elements in display of an image by the display panel by correcting a gradation value of a video signal, in which a partition (60) for guiding stray light from a light emitting unit to an optical sensor (4) provided on the display panel is provided between adjacent light emitting units of the display panel, and the luminance correction unit corrects a gradation value of a video signal associated with each of the display elements on the basis of a gradation value of an uncorrected video signal and a detection result from the optical sensor.

Abstract: A display device includes: a display panel including display elements each including a light emitting unit and a drive circuit for driving the light emitting unit, the display elements being arranged in a two-dimensional matrix on a substrate; and a luminance correction unit for correcting luminances of the display elements in display of an image by the display panel by correcting a gradation value of a video signal, in which a partition (60) for guiding stray light from a light emitting unit to an optical sensor (4) provided on the display panel is provided between adjacent light emitting units of the display panel, and the luminance correction unit corrects a gradation value of a video signal associated with each of the display elements on the basis of a gradation value of an uncorrected video signal and a detection result from the optical sensor.

Abstract: [Object] To provide a light emitting element having a configuration in which a color change depending on the current density is less likely to occur. [Solution] A light emitting element includes: a structure in which an anode 51, an organic layer 70 containing an organic material and including a light emitting layer, and a cathode 52 are stacked. The light emitting layer includes, from a side of the anode to a side of the cathode, two or more light emitting regions configured to emit different colors of light. Each light emitting region contains a host material and a dopant material. An absolute value of an ionization potential of the host material contained in a light emitting region near to the cathode is larger than an absolute value of an ionization potential of the host material contained in a light emitting region near to the anode.

Abstract: A display device includes: a display panel including display elements each including a light emitting unit and a drive circuit for driving the light emitting unit, the display elements being arranged in a two-dimensional matrix on a substrate; and a luminance correction unit for correcting luminances of the display elements in display of an image by the display panel by correcting a gradation value of a video signal, in which a partition (60) for guiding stray light from a light emitting unit to an optical sensor (4) provided on the display panel is provided between adjacent light emitting units of the display panel, and the luminance correction unit corrects a gradation value of a video signal associated with each of the display elements on the basis of a gradation value of an uncorrected video signal and a detection result from the optical sensor.

Abstract: A first light-emitting layer of a first organic electroluminescent element is disposed in common to a second organic electroluminescent element, a second light-emitting layer of the second organic electroluminescent element is disposed in contact with the first light-emitting layer and in the cathode side, and the first light-emitting layer contains a host material and an assist dopant material to transport holes to the second light-emitting layer.

Abstract: An organic light-emitting element includes a first electrode, an organic compound layer, and a second electrode on a substrate and emits light from the second electrode side, wherein the second electrode includes a first layer and a second layer in contact with the first layer sequentially from the substrate side, the second layer is a layer comprising Ag, and the first layer is a layer comprising Ag and Cs.

Abstract: An organic EL element includes a first electrode, an organic compound layer, and a second electrode on a substrate. The second electrode includes a first metal layer and a second metal layer in this order from the substrate side. The second metal layer contains Ag and has a thickness of 5.0 nm or more and 20 nm or less. The first metal layer contains Mg and Ag and has a thickness of 1.0 nm or more and 5.0 nm or less.

Abstract: A first light-emitting layer of a first organic electroluminescent element is disposed in common to a second organic electroluminescent element, a second light-emitting layer of the second organic electroluminescent element is disposed in contact with the first light-emitting layer and in the cathode side, and the first light-emitting layer contains a host material and an assist dopant material to transport holes to the second light-emitting layer.

Abstract: An organic light-emitting element includes a first electrode, an organic compound layer, and a second electrode on a substrate and emits light from the second electrode side, wherein the second electrode includes a first layer and a second layer in contact with the first layer sequentially from the substrate side, the second layer is a layer comprising Ag, and the first layer is a layer comprising Ag and Cs.

Abstract: In a display apparatus including pixels, each of which has organic EL elements which emit red, green, and blue (RGB) colors and a refractive index-control layer, an electrode at a light extraction side of each organic EL element is a silver layer in contact with a charge transport layer, the refractive index-control layer is arranged on the silver layer in common with the organic EL elements which emit RGB colors, and an effective refractive index (neff) represented by the following formula is in a range of 1.4 to 2.3. neff=0.7×nu+0.3×nd In the above formula, nu indicates the refractive index of the refractive index-control layer 3, and nd indicates the refractive index of the charge transport layer 1.

Abstract: In a display apparatus including pixels, each of which has organic EL elements which emit red, green, and blue (RGB) colors and a refractive index-control layer, an electrode at a light extraction side of each organic EL element is a silver layer in contact with a charge transport layer, the refractive index-control layer is arranged on the silver layer in common with the organic EL elements which emit RGB colors, and an effective refractive index (neff) represented by the following formula is in a range of 1.4 to 2.3. neff=0.7×nu+0.3×nd In the above formula, nu indicates the refractive index of the refractive index-control layer 3, and nd indicates the refractive index of the charge transport layer 1.

Abstract: An organic EL element has a substrate, a first electrode, an organic compound layer, and a second electrode. The second electrode has a base layer and a metal layer, and light generated in this organic EL element is transmitted through the second electrode. The base layer is closer to the substrate than the metal layer and is a mixed layer containing lithium, oxygen, and magnesium, whereas the metal layer contains silver and has a thickness in the range of 5.0 to 20 nm, inclusive.

Abstract: An organic EL element includes a first electrode, an organic compound layer, and a second electrode on a substrate. The second electrode includes a first metal layer and a second metal layer in this order from the substrate side. The second metal layer contains Ag and has a thickness of 5.0 nm or more and 20 nm or less. The first metal layer contains Mg and Ag and has a thickness of 1.0 nm or more and 5.0 nm or less.

Abstract: A semiconductor device whose working life can be improved is obtained. This semiconductor device comprises a first conductive layer, a second conductive layer and a silicon oxide film, formed between the first and second conductive layers, containing chlorine introduced therein. Thus, the silicon oxide film is inhibited from formation of electron traps while a large number of holes are formed in an initial stage of electron injection into the silicon oxide film.