Abstract: A liquid supply device, configured to supply a liquid from a liquid storage container having a storage portion and a supply portion, includes: a support portion having a first end portion, a second end portion, and a placement surface; an injection portion, to which the supply portion is connected; a pressing member; and a control portion configured to execute a supply operation for supplying liquid by controlling an action of the pressing member. In a state in which the supply portion is connected to the injection portion, the storage portion is placed on the placement surface. In the supply operation, the control portion causes the pressing member to move in a direction from the first end portion toward the second end portion in a state in which the pressing member is pressing the storage portion.

Abstract: A liquid crystal panel includes a display region, a frame region disposed around the display region, a first substrate, and a second substrate disposed facing the first substrate, in which a liquid crystal layer is disposed between the first substrate and the second substrate in the display region, a sealing portion is disposed between the first substrate and the second substrate in the frame region, the second substrate is provided with a protrusion protruding toward the liquid crystal layer side, and the first substrate includes a first support substrate and a first substrate-side insulating protrusion in order toward the liquid crystal layer side, the first substrate-side insulating protrusion being in contact with the first support substrate, protruding toward the liquid crystal layer side, facing the protrusion, and being formed in an island shape.

Abstract: A cartridge includes: a liquid storing bag; a casing including a storage portion for storing the liquid storing bag; a sealing member configured to seal an opening of the enclosure, and the cartridge supplies liquid in the liquid storing bag to outside. The storage portion has a first inner wall surface and a second inner wall surface. The liquid storing bag includes: a first welded portion facing the first inner wall surface; a second welded portion facing the second inner wall surface; and an outlet provided in the first welded portion to guide the liquid to the outside. The outlet is fixed to the first inner wall surface, and the second inner wall surface is provided with a first restricting portion projecting toward the storage portion and restricting a movement of the second welded portion toward the sealing member between the second welded portion and the seal member.

Abstract: An ink storage container detachably mounted to an apparatus main body of an ink ejection apparatus includes a flexible inner bag configured to store ink, a flexible outer bag configured to cover the inner bag, an ink discharge portion configured to discharge ink from the inner bag to the outside thereof, and an air introduction portion configured to introduce air into or discharging air from a space between the inner and outer bags. The technologies have the potential to contribute to achievement of a sustainable society such as a decarbonized society/circular society.

Abstract: An ink container configured to be attachable to and detachable from an apparatus main body of a liquid ejection apparatus includes: a channel configured to allow ink to flow in and out; and an ink containing portion formed of an elastic member and configured to contain the ink inside via the channel, in which a surface area in a state in which the ink containing portion contains the ink is at least twice as great as a surface area in a state in which the ink containing portion does not contain the ink.

Abstract: An ink container for supplying an ink to an ink ejection apparatus that ejects ink includes: an ink storage container configured with a containing space formed for internally containing the ink; and an ink supply port attached to the ink storage container and configured to supply the ink contained in the containing space to the ink ejection apparatus. The ink storage container includes a base layer configured to surround the containing space and a surface layer formed from a plastic material on the outside of the base layer. A first region in which the base layer is exposed and a second region in which the surface layer is exposed are repeatedly formed in a predetermined direction on a surface of the ink storage container.

Abstract: An ink storage container attachable to and detachable from an apparatus main body of an ink ejection apparatus includes: a storage portion that stores ink, the storage portion including an ink discharge portion capable of discharging the stored ink to an outside of the storage portion; and an information member that stores information capable of being read from the outside. In the ink storage container, the information member is provided in a flexible part of the storage portion and is configured to enable the information to be read in a non-contact manner from the outside and the information member is configured such that the information readable by an optical reading device or an RFID-based reading device. The technology described in this specification have the potential to contribute to the achievement of a sustainable society, such as a decarbonized society/circular society.

Abstract: A liquid storage container for storing a liquid to be supplied to a liquid discharge apparatus includes a cylindrical flow path-forming member in which a flow path is formed, the liquid storage container including: a liquid storage portion which stores a liquid inside and in which is formed an opening through which the liquid to be supplied to the liquid discharge apparatus passes; and an elastic portion which blocks the opening so that a liquid does not leak, the elastic portion including a communication hole configured to allow communication between inside and outside of the liquid storage portion and being configured to be elastically deformable so as to enlarge a cross-sectional area of the communication hole. The communication hole is closed in a state before the flow path-forming member is inserted into the elastic portion.

Abstract: A liquid ejection head includes an element substrate in which a liquid ejection port is formed, the element substrate having an energy generating element that generates energy for ejecting the liquid from the ejection port, and a plurality of wiring pads lined up in a predetermined direction; a flexible wiring substrate having a plurality of leads lined up in the predetermined direction and overlaid on and connected to the plurality of wiring pads, respectively, and a base film overlaid on the plurality of leads; and a sealant that seals a plurality of connection portions of the plurality of wiring pads and the plurality of leads. The base film has a plurality of covering portions that respectively cover an opposite side of the plurality of leads from the plurality of connection portions, and an opening or slit formed between the plurality of covering portions.

Abstract: Provided is a wearable sensor with enhanced light sensitivity. The wearable sensor is to be worn by a subject, the wearable sensor including: a supporting substrate; and sensor elements placed on the supporting substrate. The sensor elements each include: a light emitter which is an organic light emitting diode or an inorganic light emitting diode; and a reflected light receiver configured to measure a quantity of light emitted from the light emitter and reflected in a living body of a subject. Preferably, in a plan view, at least part of the reflected light receiver does not overlap the light emitter.

Abstract: A liquid ejection head includes: a housing; an element substrate disposed on a first surface of the housing and including an energy generation element to eject a liquid; a relay wiring member disposed on a second surface at a position protruding in a liquid ejection direction more than the first surface and surrounding the element substrate; a lead connecting the element substrate with the relay wiring member; a filling portion provided between the housing and a side surface of the element substrate; a connection portion surrounded between the housing and the element substrate, connected with the filling portion, and adjacent to the lead; and a sealant sealing the filling portion, the connection portion, and the lead, in which a distance between the housing and the element substrate is smaller in a portion adjacent to the second surface than in a portion between the first surface and the second surface.

Abstract: Provided is a liquid crystal display device including a first and second sub-pixels and including a first and second substrates. The first substrate includes a common electrode, an interlayer insulating film, and a first and second sub-pixel electrodes. The first and second sub-pixel electrodes each include linear electrode portions at an edge area and a linear electrode portion at a central area. The interlayer insulating film includes a region overlapping the linear electrode portions at the edge area and a region overlapping the linear electrode portion at the central area for each sub-pixel and the regions are different in at least one of a film thickness or a relative permittivity. An electric field strength between the common electrode and the linear electrode portions at the edge area is lower than an electric field strength between the common electrode and the linear electrode portion at the central area.

Abstract: Provided is a liquid crystal display device including a first and second sub-pixels and including a first and second substrates. The first substrate includes a common electrode, an interlayer insulating film, and a first and second sub-pixel electrodes. The first and second sub-pixel electrodes each include linear electrode portions at an edge area and a linear electrode portion at a central area. The interlayer insulating film includes a region overlapping the linear electrode portions at the edge area and a region overlapping the linear electrode portion at the central area for each sub-pixel and the regions are different in at least one of a film thickness or a relative permittivity. An electric field strength between the common electrode and the linear electrode portions at the edge area is lower than an electric field strength between the common electrode and the linear electrode portion at the central area.

Abstract: A liquid ejection head of the present invention has: an element substrate in which a liquid ejection port is formed, the element substrate having an energy generating element that generates energy for ejecting the liquid from the ejection port, and a plurality of wiring pads lined up in a predetermined direction; a flexible wiring substrate having a plurality of leads lined up in the predetermined direction and overlaid on and connected to the plurality of wiring pads respectively, and a base film overlaid on the plurality of leads; and a sealant that seals a plurality of connection portions of the plurality of wiring pads and the plurality of leads. The base film has a plurality of covering portions that respectively cover an opposite side of the plurality of leads from the plurality of connection portions, and an opening or slit formed between the plurality of covering portions.

Abstract: A display device includes a display part; a driving part; and a display control part, the display control part being configured to provide a transition period between first and second driving periods in switching from the first driving period to the second driving period, the first driving period allowing the display part to be driven at a first frame frequency, the second driving period allowing the display part to be driven at a second frame frequency, the transition period including a period where the display part is driven at at least one frame frequency with a value between the first and second frame frequencies, the transition period including positive and negative periods that last for different total durations, the positive period allowing the display part to be driven at a positive voltage, the negative period allowing the display part to be driven at a negative voltage.

Abstract: The present invention makes it possible to reduce an afterimage phenomenon while preventing an increase in driving voltage. A liquid crystal display device (10) includes: a liquid crystal layer (3) and a pair of substrates which face each other across the liquid crystal layer (3); and an upper electrode (4), a lower electrode (5), and a first insulating layer (6) which are provided in a stack on one substrate (1) of the pair of substrates so that the upper electrode (4) and the lower electrode (5) overlap each other via the first insulating layer (6), the upper layer electrode (4) having an end surface which constitutes an opening of the upper electrode (4), the end surface being forward tapered and forming, with the one substrate (1), an average angle of inclination of not more than 30 degrees.

Abstract: A wavelength conversion substrate according to one aspect of the present invention includes: a first substrate having an optical transparency; and a light modulation unit provided on one surface of the first substrate and configured to modulate a spectrum of incident light in accordance with a polarization state of the incident light. The light modulation unit includes: a plurality of metallic structures periodically provided at intervals from one another on one surface of the first substrate and configured to exhibit plasmon resonance due to incident light; and a plurality of wavelength conversion units provided so that at least some wavelength conversion units are adjacent to the plurality of metallic structures and comprising a wavelength converting material configured to emit light in a wavelength band different from a wavelength band of the incident light.

Abstract: A display device includes a display part; a driving part; and a display control part, the display control part being configured to provide a transition period between first and second driving periods in switching from the first driving period to the second driving period, the first driving period allowing the display part to be driven at a first frame frequency, the second driving period allowing the display part to be driven at a second frame frequency, the transition period including a period where the display part is driven at at least one frame frequency with a value between the first and second frame frequencies, the transition period including positive and negative periods that last for different total durations, the positive period allowing the display part to be driven at a positive voltage, the negative period allowing the display part to be driven at a negative voltage.

Abstract: A liquid ejection head substrate that includes a nozzle plate provided with an ejection orifice adapted to eject liquid droplets, in which a projection/depression pattern is provided on a liquid droplet ejection surface of the nozzle plate, the projection/depression pattern being made up of a plurality of projections and depressions, the projections being separated by depressions 1 ?m or less in depth and disposed at predetermined spacing 10 ?m or less in length; and the projection/depression pattern includes a part having water repellency due to lotus effect.

Abstract: A wavelength conversion substrate according to one aspect of the present invention includes: a first substrate having an optical transparency; and a light modulation unit provided on one surface of the first substrate and configured to modulate a spectrum of incident light in accordance with a polarization state of the incident light. The light modulation unit includes: a plurality of metallic structures periodically provided at intervals from one another on one surface of the first substrate and configured to exhibit plasmon resonance due to incident light; and a plurality of wavelength conversion units provided so that at least some wavelength conversion units are adjacent to the plurality of metallic structures and comprising a wavelength converting material configured to emit light in a wavelength band different from a wavelength band of the incident light.