Abstract: A hole injection layer included in a display device according to the disclosure contains a mixture (PEDOT/PSS) obtained by mixing polystyrene sulfonic acid (PSS) with polyethylenedioxythiophene (PEDOT), and a polymer adjacent to the PEDOT/PSS.

Abstract: A lighting device includes a first light emitting element, a second light emitting element, and a driving circuit driving the first light emitting element and the second light emitting element. The driving circuit includes a current supply supplying currents to the first light emitting element and the second light emitting element, a first current controller controlling a magnitude of a first current supplied from the current supply to the first light emitting element, and a second current controller controlling a magnitude of a second current supplied from the current supply to the second light emitting element.

Abstract: A display device includes a first trunk line extending in a column direction and included in a first conductive layer, a first branch wiring line connected to the first trunk line and included in a second conductive layer, a first contact hole through which a first portion of the first trunk line is exposed, and a third contact hole through a third portion of a conductive portion included in the first conductive layer is exposed, wherein, in the row direction, a range of the third portion overlaps a range of the first trunk line, in the column direction, a range of the third portion overlaps a range of the first trunk line, and an electric resistance value between the third portion and the first branch wiring line is higher than an electric resistance value between the first portion of the first trunk line and the first branch wiring line.

Abstract: In a foldable display, a third portion, in a side view thereof, includes a first arc portion, a first line segment portion, and a second line segment portion in a first posture, and includes a second arc portion in a second posture.

Abstract: A monolayer film is provided between a hole injection layer and the hole transport layer.

Abstract: A backlight device includes light-emitting elements, supported by a substrate, that emit excitation light, a first phosphor layer containing a phosphor that produces fluorescence upon receiving the excitation light, and a partitioning member forming spaces each of which accommodates any one or more of the light-emitting elements between the substrate and the first phosphor layer. The partitioning member includes walls each of which, in a top view, encloses the one or more of the light-emitting elements accommodated in each space, apices each of which connects ones of the walls that are adjacent to each other, one or more first through-holes formed in the walls, and one or more second through-holes formed in the apices. An air gap is formed between adjacent two walls by the two walls and one of the apices that connects them. The second through-hole communicates with the first through-hole via the air gap.

Abstract: A display device includes multiple scan lines arranged in a display region; a first scan line driving circuit outside the display region that is connected to multiple scan lines at one end in an extending direction and supplies voltages to multiple scan lines; a second scan line driving circuit outside the display region that is connected to multiple scan lines at the other end in the extending direction and supplies voltages to multiple scan lines; and a control circuit. The control circuit alternately drives either the first scan line driving circuit or the second scan line driving circuit for each predetermined frame when a refresh rate of an image displayed according to a video signal is a first refresh rate, and drives both the first scan line driving circuit and the second scan line driving circuit at a second refresh rate higher than the first refresh rate.

Abstract: Provided is a method of producing a micro-LED panel that can produce a micro-LED panel with excellent display quality by reducing misalignment of micro-LED chips and can achieve an increased yield. The method of producing a micro-LED panel includes: producing a micro-LED chip including a micro-LED, a first contact electrode, and a light blocking component; producing an array substrate including a switching element, a second contact electrode, and an insulating film; and placing the micro-LED chip on the array substrate. The light blocking component includes a bump with an inclined surface. The insulating film includes a dent with an inclined surface. The placing of the micro-LED chip includes electrically connecting the first contact electrode to the second contact electrode by making the bump of the light blocking component opposite to the dent of the insulating film.

Abstract: A display device has a display area including a first pixel region, a second pixel region, and a third pixel region. The display device includes: a first electrode; a first photoelectric conversion layer including a first light-emitting layer, a second light-emitting layer, and a third light-emitting layer; a first electric charge injection layer; a second electric charge injection layer; a second photoelectric conversion layer including a fourth light-emitting layer; and a second electrode. The first light-emitting layer is provided in the first pixel region. The second light-emitting layer is provided in the second pixel region. The third light-emitting layer is provided in the third pixel region. The first electric charge injection layer is provided across the entire display area. The second electric charge injection layer is provided only in the third pixel region. The fourth light-emitting layer is provided at least in the third pixel region.

Abstract: In an organic EL display device, a frame region provided outside a display region is provided with a damming wall extending on an outer periphery of the display region and a second lead-out wiring line extending across the damming wall from the display region side to an outside of the frame region. The damming wall includes a bank portion having a projecting shape and provided, in a part in which the second lead-out wiring line extends, on both sides in a direction in which the second lead-out wiring line extends with respect to a top portion of the damming wall. The bank portion is lower than a top portion of a second damming wall and forms, between the bank portion and the top portion, a trap portion having a recessed shape.

Abstract: An image pickup apparatus equipped with a display function includes a liquid crystal panel, an infrared camera including a condenser lens and an imaging element, and a backlight disposed on a back face of the liquid crystal panel. The liquid crystal panel includes a display region including a first region and a second region located to surround the first region in a plan view, at least the imaging element of the infrared camera is disposed on a light path of light transmitted through the first region and the condenser lens, and the liquid crystal panel does not include a black matrix at least in the first region but includes color filters in the first and second regions.

Abstract: A display device includes a substrate, on the substrate, a light-emitting element including a first electrode, a second electrode, and a light-emitting layer and a charge transfer layer between the first electrode and the second electrode, in which the display device includes a light-emitting region of the light-emitting element and a non-light-emitting region that is a peripheral portion of the light-emitting region, a protruding portion is provided in a layer lower than the charge transfer layer in part of the non-light-emitting region, and the charge transfer layer is formed as a continuous film in a display region including the light-emitting region and the non-light-emitting region on the substrate, and includes a thin film portion, on the protruding portion, being thinner than a portion in the light-emitting region and a portion in the non-light-emitting region other than the protruding portion.

Abstract: A reflection plate includes a substrate, an insulation film disposed on the substrate and including projection portions and recesses on an uneven surface, and a reflection film disposed on the uneven surface and having a surface that conforms to the uneven surface and reflecting light. The projection portions are arranged at intervals and are inclined with respect to a normal direction of a surface of the substrate. The recesses are between the projection portions that are adjacent to each other. The projection portions include a first projection portion, a second projection portion, and a third projection portion that are inclined in different directions.

Abstract: A display device includes a semiconductor chip mounted in a frame region arranged around a display region, and a video protection circuit formed in the frame region, and the video protection circuit includes a low power supply connection portion formed between the semiconductor chip and the display region, and a high power supply connection portion formed under the semiconductor chip.

Abstract: A display device includes a display panel including a base substrate layer, a thin film transistor layer, a light-emitting element layer, and a sealing film, and includes an image capturing unit provided on the base substrate layer side of a display region of the display panel. A plurality of subpixels constituting the display region are divided into a group of normal subpixels provided so as not to overlap with the image capturing unit and a group of thinned-out subpixels provided so as to overlap with the image capturing unit. The inorganic insulating film is provided with openings passing through the inorganic insulating film, in an image capturing region overlapping with the group of thinned-out subpixels.

Abstract: A display device includes a thin film transistor layer provided on a base substrate layer. The first thin film transistor includes a first semiconductor layer formed of an oxide semiconductor, a first gate insulating film provided on the first semiconductor layer, a first gate electrode provided on the first gate insulating film, a first interlayer insulating film being a silicon oxide film and configured to cover the first gate electrode, and a second interlayer insulating film being a silicon nitride film provided on the first interlayer insulating film. The second interlayer insulating film is formed with a through-hole passing through the second interlayer insulating film and overlapping all of a first channel region of the first semiconductor layer. A metal coating layer is integrally provided on a surface of the first interlayer insulating film exposed from the through-hole and a surface of a peripheral portion of the through-hole.

Abstract: In a first transition period during which an operation mode transitions from a normal mode to a low power consumption mode, a source driver changes the potential of each source bus line to 0 V, a gate driver sets all gate bus lines to be in a high impedance state in a state where a gate low power source voltage VGL (a potential of a second level: for example, ?7 V) is applied to all of the gate bus lines, and a power source IC sets a common electrode and a VGL line to be in a high impedance state.

Abstract: A display device includes an active matrix substrate including a plurality of pixels and a driver unit. The driver unit includes a flexible substrate, a first wiring pattern disposed on the flexible substrate, a demultiplexer circuit or a multiplexer circuit supported by the flexible substrate and connected to the first wiring pattern, and a source driver IC supported by the flexible substrate and connected to the first wiring pattern. The driver unit is connected to a display panel, and a TFT of the plurality of pixels and a TFT of the demultiplexer circuit or the multiplexer circuit have semiconductors different from each other.

Abstract: A phased array antenna with excellent reliability is provided. The phased array antenna includes a printed circuit board 10 including a plurality of first terminals, a TFT substrate 50 including a plurality of second terminals and being arranged to face the printed circuit board 10, and a plurality of conductors 30 connecting the first terminals and the second terminals, respectively. The printed circuit board includes a plurality of transmission/reception electrodes 12, and beamforming ICs 20 receiving control signals from the TFT substrate via the first terminals and controlling phases of signals transmitted/received by transmission/reception electrodes based on the control signals.

Abstract: In a first transition period during which an operation mode transitions from a normal mode to a low power consumption mode, a VCOM generation unit in a power source IC changes a potential of a common electrode drive voltage VCOM from a potential of a first level (for example, 5 V) to a potential of a second level (for example, 12 V) so that a leakage current flowing through a pixel transistor is not generated during a pause period, a gate driver changes a potential of each gate bus line to 0 V, and a source driver changes a potential of each source bus line to 0 V.