Abstract: An organic electroluminescent element according to one embodiment of the disclosure includes, in order, an anode, an organic light-emitting layer, an electron transport layer, an intermediate layer, and a cathode. The electron transport layer includes a sodium fluoride layer. The intermediate layer includes an ytterbium layer. The ytterbium layer is in contact with the sodium fluoride layer on side of the cathode.

Abstract: A pixel circuit includes a driving transistor, a write transistor, a first switching transistor, a first storage capacitor, a second and third switching transistors, and a second storage capacitor. The driving transistor controls a current flowing in a light-emitting device. The write transistor controls application of a signal voltage to a source end of the driving transistor. The first switching transistor controls a gate voltage of the driving transistor during correction operation that allows a gate-source voltage of the driving transistor to come close to a threshold voltage of the driving transistor. The second switching and third switching transistors are provided, in series, at an electrically conductive path between the source end of the driving transistor and a first voltage line.

Abstract: A semiconductor device includes a substrate. The semiconductor device further includes a first transistor. The first transistor includes a first semiconductor layer over the substrate, the first semiconductor layer including poly-silicon. The first transistor further includes a first gate electrode over the first semiconductor layer, the first gate electrode facing the first semiconductor layer. The semiconductor device further includes a second transistor. The second transistor includes a second semiconductor layer over the substrate, the second semiconductor layer including an oxide semiconductor. The second transistor further includes a second gate electrode over the second semiconductor layer, the second gate electrode facing the second semiconductor layer.

Abstract: A display panel includes: a substrate; a light emitting element array that is disposed above the substrate in an image display region; a peripheral electrode that is disposed above the substrate in a peripheral region, the peripheral region being located outside the image display region in plan view; a lyophilic insulating layer that is disposed on the peripheral electrode; and a peripheral bank that includes a liquid-repellent resin material including fluorine, and has an outer edge that overlaps the peripheral electrode in the peripheral region in plan view. The lyophilic insulating layer includes a resin material having a lower percentage of fluorine than the peripheral bank. At least a corner part of a bottom surface of the peripheral bank is disposed on the lyophilic insulating layer.

Abstract: According to one embodiment, a display device capable of preventing spreading of color mixture even in a case where a bank has a defect, and preventing light emission failure in a pixel is provided. A plurality of first banks are provided on a substrate. A plurality of second banks are arranged to cross the first banks, and separate a plurality of pixels with the first banks. A plurality of repair members having liquid repellency are provided on the first banks located on both sides of a pixel corresponding to a defective portion of the second bank, of the pixels.

Abstract: An organic electroluminescence device includes, in order, a first electrode, a hole transport layer, an organic light-emitting layer, an electron transport layer, and a second electrode. The hole transport layer is configured by a coated film. The organic light-emitting layer is configured by a coated film. The organic light-emitting layer has a light emission region provided in the organic light-emitting layer on side of the electron transport layer.

Abstract: A light-emitting device includes a first reflective surface, a second reflective surface, a light-emitting layer, and a third reflective surface. The second reflective surface faces the first reflective surface. The light-emitting layer is provided between the first reflective surface and the second reflective surface, and outputs light of a wavelength ?. The third reflective surface faces the second reflective surface, and is located at a distance within ?/4 from the second reflective surface.

Abstract: An organic electroluminescent unit is provided with a plurality of organic electroluminescent elements. At least one of the organic electroluminescent elements includes, in order, a first electrode, a hole transport layer, a light-emitting layer, an electron transport layer, and a second electrode. The hole transport layer, the light-emitting layer, and the electron transport layer satisfy the following expressions: ?Eg(T1)?0 eV ?Eg(T1)=ETa+ETb?2×ETEML where ETa represents a T1 level of the hole transport layer, ETb represents a T1 level of the electron transport layer, and ETEML represents a T1 level of the light-emitting layer.

Abstract: Disclosed herein is a display apparatus, including: a foldable substrate; a pixel array section including a plurality of pixels disposed on the substrate and each including an electro-optical device; the foldable substrate being folded at a substrate end portion at least on one side thereof around the pixel array section; a peripheral circuit section disposed on the substrate end portion and adapted to drive the pixels of the pixel array section; and a pad section provided on the substrate end portion on which the peripheral circuit section is provided and adapted to electrically connect the peripheral circuit section to the outside of the substrate.

Abstract: A transfer circuit includes an input circuit, a reset circuit, an output circuit, and an output stabilizer circuit, and obtains an input signal at an input terminal, holds the input signal, and outputs the input signal from an output terminal as an output signal in synchronization with a clock signal. The output stabilizer circuit includes an inverter circuit and a transistor. The inverter circuit outputs from an output terminal an inverted signal having an inverted polarity of at least one of the input signal and the output signal. The transistor has a control signal end connected to the output terminal of the inverter circuit, a first main signal end connected to a power supply line of the output stabilizer circuit, and a second main signal end connected to the output terminal of the transfer circuit.

Abstract: Disclosed is a self light-emitting element including a first electrode, a light-emitting layer disposed above the first electrode, a function layer disposed above the light-emitting layer, and doped with a metal, and a second electrode disposed above the function layer, in which the function layer has a multilayer structure of at least three layers including an uppermost layer, a lowermost layer, and an intermediate layer between the uppermost layer and the lowermost layer, and the intermediate layer is doped with the metal at a lower concentration than the uppermost layer and the lowermost layer.

Abstract: There is provided a method of manufacturing an organic light-emitting device including: forming a first organic material layer on a substrate; and forming a mask in a first region on the first organic material layer, and then selectively removing the first organic material layer to form a first organic layer in the first region.

Abstract: A transfer circuit includes an input circuit, a reset circuit, an output circuit, and an output stabilizer circuit, and obtains an input signal at an input terminal, holds the input signal, and outputs the input signal from an output terminal as an output signal in synchronization with a clock signal. The transfer circuit includes an inverter circuit that has an input terminal connected to at least one of the input and output terminals of the transfer circuit, and outputs, from an output terminal, an inverted signal having an inverted polarity of at least one of the input and output signals. The reset circuit includes a first transistor having a control signal end connected to the output terminal of the inverter circuit, the first transistor switching continuity and discontinuity of a signal path between one end of a first capacitor that holds the input signal and a first power supply.

Abstract: An organic electroluminescence (EL) display panel including: a substrate; an insulating resin layer extending from an image display region to a peripheral region; an organic EL element array within the image display region; a sealing layer extending from the image display region to the peripheral region; and a sealing reinforcement layer, laminated in this order. The sealing layer includes first, second, and third sealing layers laminated in this order from the substrate, the first and third sealing layers being made of an inorganic material and the second sealing layer being made of a resin. In the outer peripheral portion of the sealing layer, the first and third sealing layers are in direct contact with each other and cover an outer end of the insulating resin layer. An outer end of the sealing reinforcement layer is outside the outer end of the insulating resin layer in plan view.

Abstract: Disclosed is an organic EL display panel including: a substrate; a planarization layer being disposed on an upper surface of the substrate and containing a resin material; plural pixel electrodes being disposed in a matrix manner on the planarization layer; a light emitting layer being disposed on the pixel electrodes and containing an organic luminescent material; and a common electrode covering at least an upper side of the light emitting layer and being disposed continuously in a plane direction. A recessed part is opened to extend in a column direction in at least one gap between the pixel electrodes adjacent to each other in a row direction on the planarization layer, the common electrode is disposed continuously in the recessed part, and a power feed auxiliary interconnect extending in the column direction and formed of an applied film is disposed on an upper surface of the common electrode.

Abstract: A processing circuit processes video signals for a display device which includes a display panel including pixels each having a self light emitting element and a current limiting circuit limiting a current to the pixels. The processing circuit includes: a frame memory storing video signals of a previous frame; and a signal processer which: compares a luminance represented by a video signal of the current frame corresponding to a pixel and a luminance represented by a video signal of the previous frame corresponding to the pixel; outputs the video signal of the current frame in a case where the luminance represented by the video signal of the current frame is equal to or smaller than the luminance represented by the video signal of the previous frame or equal to or smaller than a predetermined threshold value; and outputs a weighted average of the video signal of the current frame and the video signal of the previous frame in any other case.

Abstract: A method for driving a display device includes stopping a display operation of a display based on a presence or absence of a signal indicating an off operation of a main power switch of the display. The method further includes applying a recovery voltage across a gate and source of a driving transistor in the display based on a threshold voltage shift of the driving transistor. The threshold voltage shift is determined during a stopped state of the display operation of the display. The stopped state of the display operation of the display occurs prior to starting the display operation of the display.

Abstract: A thin film transistor is provided. The thin film transistor includes an oxide semiconductor layer including a source region, a drain region, and a channel region wherein a portion of the source and drain regions has an oxygen concentration less than the channel region. Further provided is a thin film transistor that includes an oxide semiconductor layer including a source region, a drain region, and a channel region, wherein a portion of the source and drain regions includes a dopant selected from the group consisting of aluminum, boron, gallium, indium, titanium, silicon, germanium, tin, lead, and combinations thereof.

Abstract: An organic electroluminescence (EL) element including: an anode; a first functional layer above the anode, the first functional layer having at least one of a hole injection property and a hole transport property; a light-emitting layer above the first functional layer, the light-emitting layer including an organic light-emitting material doped with an electron donor material; a second functional layer above the light-emitting layer, the second functional layer having at least one of an electron injection property and an electron transport property; and a cathode disposed above the second functional layer, wherein carrier density of the light-emitting layer is from 1012/cm3 to 1019/cm3.

Abstract: Disclosed is a light emitting device including a plurality of organic electroluminescent sections each including a first reflective layer, an organic light emitting layer and a second reflective layer in this order, and a light extraction surface from which light emitted from each of the organic electroluminescent sections through the second reflective layer is extracted. The second reflective layer includes a first metal layer, a transparent layer and a second metal layer in this order from the organic light emitting layer side, and in each of the organic electroluminescent sections, a microcavity structure is formed by a structure that includes a first reflective interface on the organic light emitting layer side of the first reflective layer, a second reflective interface on the organic light emitting layer side of the first metal layer, and a third reflective interface on the organic light emitting layer side of the second metal layer.