Abstract: According to one embodiment, a semiconductor light emitting device includes a first semiconductor layer of a first conductivity type, a second semiconductor layer of a second conductivity type, a third semiconductor layer. The third semiconductor is provided between the first semiconductor layer and the second semiconductor layer. A first transistor includes a first gate electrode and a first amorphous semiconductor layer. The first gate electrode and the first amorphous semiconductor layer overlap in a first direction. The first direction is from the first semiconductor layer toward the second semiconductor layer. The first gate electrode is provided between the second semiconductor layer and the first amorphous semiconductor layer.

Abstract: According to one embodiment, a thin film transistor includes: a substrate; a semiconductor layer; first and second insulating films; and gate, source and drain electrodes. The semiconductor layer is provided on the substrate. The semiconductor layer is made of an oxide having indium. The semiconductor layer has first and second regions and other region. The first insulating film covers a top face of the other region. The second insulating film covers at least a pair of side surfaces of the semiconductor layer. The second insulating film is formed under a condition different from that for the first insulating film. The gate electrode is provided on the first and second insulating films or below the semiconductor layer. The source and drain electrodes are provided on the first and second regions, respectively. The drain and source electrodes sandwich the pair of the side surfaces of the semiconductor layer.

Abstract: According to one embodiment, a thin film transistor includes a substrate, a gate electrode, a first insulating film, an oxide semiconductor film, a second insulating film, a source electrode, and a drain electrode. The gate electrode is provided on a part of the substrate. The first insulating film covers the gate electrode. The oxide semiconductor film is provided on the gate electrode via the first insulating film. The second insulating film is provided on a part of the oxide semiconductor film. The source and drain electrodes are respectively connected to first and second portions of the oxide semiconductor film not covered with the second insulating film. The oxide semiconductor film includes an oxide semiconductor. Concentrations of hydrogen contained in the first and second insulating films are not less than 5×1020 atm/cm3, and not more than 1019 atm/cm3, respectively.

Abstract: A semiconductor element includes a semiconductor layer, a first and a second conductive unit, a gate electrode, and a gate insulating film. The semiconductor layer includes a first portion, a second portion, and a third portion provided between the first portion and the second portion. The first conductive unit is electrically connected to the first portion. The second conductive unit is electrically connected to the second portion. The gate electrode is separated from the first conductive unit, the second conductive unit, and the third portion. The gate electrode opposes the third portion. The gate insulating film is provided between the third portion and the gate electrode. A concentration of nitrogen of the first portion is higher than a concentration of nitrogen of the third portion. A concentration of nitrogen of the second portion is higher than the concentration of nitrogen of the third portion.

Abstract: According to one embodiment, a thin film transistor includes a first insulating film, a gate electrode, a semiconductor layer, a gate insulator film, a second insulating film, a source electrode, a tunneling insulating portion, and a drain electrode. The semiconductor layer is provided between the gate electrode and the first insulating film, and includes an amorphous oxide. The gate insulator film is provided between the semiconductor layer and the gate electrode. The second insulating film is provided between the semiconductor layer and the first insulating film. The tunneling insulating portion is provided between the semiconductor layer and the source electrode, and between the semiconductor layer and the drain electrode, and between the first insulating film and the second insulating film. The tunneling insulating portion includes oxygen and at least one selected from aluminum and magnesium. A thickness of the tunneling insulating portion is 2 nanometers or less.

Abstract: According to one embodiment, a thin film transistor includes a substrate, a gate electrode, a first insulating film, an oxide semiconductor film, a second insulating film, a source electrode, and a drain electrode. The gate electrode is provided on a part of the substrate. The first insulating film covers the gate electrode. The oxide semiconductor film is provided on the gate electrode via the first insulating film. The second insulating film is provided on a part of the oxide semiconductor film. The source and drain electrodes are respectively connected to first and second portions of the oxide semiconductor film not covered with the second insulating film. The oxide semiconductor film includes an oxide semiconductor. Concentrations of hydrogen contained in the first and second insulating films are not less than 5×1020 atm/cm3, and not more than 1019 atm/cm3, respectively.

Abstract: According to one embodiment, a method is disclosed for manufacturing a display device. A film material layer is formed on a support substrate. A first heating process for the film material layer at a first temperature to form a film layer and a second heating process for a second region surrounding a first region at a second temperature higher than the first temperature are performed. The first region is provided in a central part of the film layer. A display layer is formed in the first region and a peripheral circuit section is formed at least in a part of the second region. A third heating process is performed for at least a part of the film layer at a third temperature higher than the second temperature. In addition, the film layer is peeled off from the support substrate.

Abstract: According to one embodiment, a display panel includes a substrate, a switching element, a pixel electrode, an organic light emitting layer, an opposite electrode, a detecting electrode, and an insulating layer. The substrate has a major surface. The switching element is provided on the major surface. The switching element includes a semiconductor layer. The pixel electrode is provided on the major surface. The pixel electrode is electrically connected to the switching element. The organic light emitting layer is provided on the pixel electrode. The opposite electrode is provided on the organic light emitting layer. The detecting electrode is provided between the substrate and at least a part of the pixel electrode. The detecting electrode includes at least one element included in the semiconductor layer. The insulating layer is provided between the pixel electrode and the detecting electrode.

Abstract: According to one embodiment, a display device includes a substrate unit, a thin film transistor, a pixel electrode and a display layer. The substrate unit includes a substrate, a first insulating layer provided on the substrate, and a second insulating layer provided on the first insulating layer. The thin film transistor is provided on the substrate unit and includes a gate electrode provided on the second insulating layer, a semiconductor layer of an oxide separated from the gate electrode, a gate insulation layer provided between the gate electrode and the semiconductor layer, a first conductive portion, a second conductive portion, and a third insulating layer. The pixel electrode is connected to one selected from the first and second conductive portions. The display layer is configured to have a light emission or a change of optical characteristic occurring according to a charge supplied to the pixel electrode.

Abstract: According to one embodiment, a thin film transistor includes a substrate, a gate electrode, a first insulating film, an oxide semiconductor film, a second insulating film, a source electrode, and a drain electrode. The gate electrode is provided on a part of the substrate. The first insulating film covers the gate electrode. The oxide semiconductor film is provided on the gate electrode via the first insulating film. The second insulating film is provided on a part of the oxide semiconductor film. The source and drain electrodes are respectively connected to first and second portions of the oxide semiconductor film not covered with the second insulating film. The oxide semiconductor film includes an oxide semiconductor. Concentrations of hydrogen contained in the first and second insulating films are not less than 5×1020 atm/cm3, and not more than 1019 atm/cm3, respectively.

Abstract: A display device includes: a flexible first substrate; a flexible second substrate provided facing the first substrate; a display part; and a wiring substrate. The display part has a display component which is disposed between the first substrate and the second substrate. The display component produces at least one of an optical characteristic change and a light emission. The wiring substrate is connected to a connection pad provided on at least one of the first substrate and the second substrate. At least a portion of the wiring substrate is interposed between the first substrate and the second substrate outside the display part.

Abstract: According to one embodiment, a display device includes a first insulating layer, a second insulating layer, a pixel electrode, a light emitting layer, an opposite electrode and a pixel circuit. The second insulating layer is provided on the first insulating layer. The pixel electrode is provided on the second insulating layer and light-transmissive. The light emitting layer is provided on the pixel electrode. The opposite electrode is provided on the light emitting layer. The circuit is provided between the first insulating layer and the second insulating layer, includes an interconnect supplied with a drive current, and is configured to supply the drive current to the pixel electrode. The circuit is connected to the pixel electrode. The interconnect has a first region overlaying the pixel electrode when projected onto a plane parallel to the first insulating layer. The interconnect has an opening in the first region.

Abstract: A display device includes a first electrode, a second electrode, an organic light emitting layer, a first transistor, and a second transistor. The first transistor includes a first semiconductor layer, a first conductive unit, a second conductive unit, a first gate electrode, and a first gate insulating film. The second transistor includes a second semiconductor layer, a third conductive unit, a fourth conductive unit, a second gate electrode, and a second gate insulating film. An amount of hydrogen included in the first gate insulating film is larger than an amount of hydrogen included in the second gate insulating film.

Abstract: According to one embodiment, a display device includes a thin film transistor. The thin film transistor includes a gate insulating film, a semiconductor layer, a gate electrode, first and second channel protection films, first and second conductive layers, and a passivation film. The semiconductor layer is provided on a major surface of the gate insulating film. The semiconductor layer includes first to seventh portions. The gate insulating film is disposed between the semiconductor layer and the gate electrode. The first channel protection film covers the third portion. The second channel protection film covers the fifth and fourth portions, and an upper surface of the first channel protection film. The first conductive layer covers the sixth portion. The second conductive layer covers the seventh portion. The passivation film covers the first and second portions, the first and second conductive layers, and the second channel protection film.

Abstract: According to one embodiment, a thin film transistor includes a first insulating film, a gate electrode, a semiconductor layer, a gate insulator film, a second insulating film, a source electrode, a tunneling insulating portion, and a drain electrode. The semiconductor layer is provided between the gate electrode and the first insulating film, and includes an amorphous oxide. The gate insulator film is provided between the semiconductor layer and the gate electrode. The second insulating film is provided between the semiconductor layer and the first insulating film. The tunneling insulating portion is provided between the semiconductor layer and the source electrode, and between the semiconductor layer and the drain electrode, and between the first insulating film and the second insulating film. The tunneling insulating portion includes oxygen and at least one selected from aluminum and magnesium. A thickness of the tunneling insulating portion is 2 nanometers or less.

Abstract: According to one embodiment, a method is disclosed for manufacturing a display device. The method can include forming a first resin layer on a substrate. The method can include forming a display layer on the first resin layer. The display layer includes a plurality of pixels arranged in a direction perpendicular to a stacking direction of the first resin layer and the display layer. Each of the pixels includes a first electrode provided on the first resin layer, an organic light emitting layer provided on the first electrode, and a second electrode provided on the organic light emitting layer. The method can include bonding a second resin layer onto the display layer via a bonding layer. The method can include removing the substrate. The method can include increasing a density of the bonding layer.

Abstract: A semiconductor element includes a semiconductor layer, a first and a second conductive unit, a gate electrode, and a gate insulating film. The semiconductor layer includes a first portion, a second portion, and a third portion provided between the first portion and the second portion. The first conductive unit is electrically connected to the first portion. The second conductive unit is electrically connected to the second portion. The gate electrode is separated from the first conductive unit, the second conductive unit, and the third portion. The gate electrode opposes the third portion. The gate insulating film is provided between the third portion and the gate electrode. A concentration of nitrogen of the first portion is higher than a concentration of nitrogen of the third portion. A concentration of nitrogen of the second portion is higher than the concentration of nitrogen of the third portion.

Abstract: According to one embodiment, a semiconductor device includes a semiconductor layer including a first semiconductor portion and a second semiconductor portion being continuous with the first semiconductor portion, a first gate electrode, a second gate electrode, an insulating film. The first semiconductor portion includes a first portion, a second portion and a third portion provided between the first portion and the second portion. The second semiconductor portion includes a fourth portion separated from the first portion, a fifth portion separated from the second portion, and a sixth portion provided between the forth portion and the fifth portion. The first gate electrode is separated from the third portion. The second gate electrode is separated from the sixth portion. The insulating film is provided at a first position between the first gate electrode and the semiconductor layer and at a second position between the second gate electrode and the semiconductor layer.

Abstract: According to one embodiment, a display device includes a light transmissive substrate, a light transmissive pixel electrode, a switching element, an organic light emitting layer, a light transmissive opposite electrode, a conductive light absorption layer and a conductive film. The light transmissive pixel electrode is provided on the substrate. The switching element is provided on the substrate and electrically connected to the pixel electrode. The organic light emitting layer is provided on the pixel electrode. The light transmissive opposite electrode is provided on the organic light emitting layer. The conductive light absorption layer is provided on the opposite electrode. The conductive film is provided on the light absorption layer.

Abstract: A display device includes a first electrode, a second electrode, an organic light emitting layer, a first transistor, and a second transistor. The first transistor includes a first semiconductor layer, a first conductive unit, a second conductive unit, a first gate electrode, and a first gate insulating film. The second transistor includes a second semiconductor layer, a third conductive unit, a fourth conductive unit, a second gate electrode, and a second gate insulating film. An amount of hydrogen included in the first gate insulating film is larger than an amount of hydrogen included in the second gate insulating film.