Abstract: A display device includes: a display panel divided into a non-display region including a stretchable region and a display region adjacent to the non-display region, and a flexible printed circuit board disposed to overlap the stretchable region and including circuit pads, where the display panel includes: display pads disposed to overlap the stretchable region and electrically connected to the circuit pads at least partially, and a functional pattern disposed to overlap the stretchable region, and spaced apart from the display pads in a plan view. The functional pattern includes an insulating portion, a first metal portion disposed on a first side surface of the insulating portion, and a second metal portion disposed on a second side surface of the insulating portion opposite to the first side surface.

Abstract: A display device includes a display area including a display layer, a folding area extending from the display area and at which the display device is bendable, and a signal wire which is connected to the display layer and extends across the folding area. The signal wire includes within the folding area a first signal wire layer which crosses the folding area, a second signal wire layer which is on the first signal wire layer and electrically connected to the first signal wire layer, the second signal wire layer including a plurality of patterns spaced apart from each other along the signal wire, and a metal layer which is on the second signal wire layer and electrically connected to the second signal wire layer.

Abstract: An image sensor includes a substrate including a plurality of pixels and a photoelectric conversion region in an inside thereof, a pixel isolation structure isolating the plurality of pixels, and an isolation layer defining a plurality of active regions in the substrate, wherein the plurality of active regions include a center part having a plurality of branching sections extending from a center toward the plurality of pixels, the center being adjacent to each of the plurality of pixels, and an extension part in the plurality of pixels and extending in a horizontal direction from the center part. In a plan view, a first angle between a side wall of the extension part and the pixel isolation structure extending in a first direction exceeds about 45 degrees, or a second angle between two adjacent branching sections among the plurality of branching sections is less than about 90 degrees.

Abstract: Disclosed is a bio sensing device including a medium layer, a light emitting element and an optical sensor. The light emitting element is configured to emit a light toward a user's skin layer, in which the light passes through the medium layer and has a maximum intensity in a first wavelength. The optical sensor is configured to receive a reflected part of the light from the user's skin layer, in which the reflected part of the light passes through the medium layer, and the medium layer has a first transmittance greater than 60% with respect to the first wavelength.

Abstract: The present application provides a foldable display module and a foldable display device. The foldable display module includes a foldable region and a non-foldable region adjacent to the foldable region, and further includes a display main body structure and a glass substrate. The glass substrate is disposed on a back side of a light emitting surface of the display main body structure, and a thickness of a portion of the glass substrate corresponding to the foldable region is less than or equal to 100 microns.

Abstract: The present disclosure provides a display panel and a display device. The display panel includes: a substrate; a plurality of display units arranged on a side of the substrate, each of the plurality of display units including at least one sub-pixel; a plurality of elastic stretching units arranged on a side of the substrate, each of the plurality of elastic stretching units being connected between two adjacent display units, and a plurality of hollow regions being formed between the plurality of elastic stretching units and the plurality of display units. A sum of areas of the plurality of hollow regions is a, a sum of areas of the plurality of display units is b, and a sum of areas of the plurality of elastic stretching units is c; 15%?a/(a+b+c)×100%?30%.

Abstract: A semiconductor device includes: a first control electrode and a second control electrode for switching that are formed in a first main surface and a second main surface, respectively, of a semiconductor substrate; a first control electrode pad electrically connected to the first control electrode; a first through-via penetrating the semiconductor substrate in a thickness direction and including a conductor electrically connecting the first main surface to the second main surface; and a second control electrode pad formed on the first main surface and electrically connected to the second control electrode through the first through-via.

Abstract: A light emitting display apparatus includes a substrate, a lower metal layer disposed on the substrate, a driving transistor disposed on the lower metal layer, a connection electrode connected with an electrode of the driving transistor, and a light emitting diode including an anode electrode connected with the electrode of the driving transistor by the connection electrode, wherein the lower metal layer comprises a pattern portion exposing a portion of the connection electrode.

Abstract: A semiconductor package includes a first semiconductor chip including first front connection pads on a first front surface, first rear connection pads and dummy pads on a first rear surface, and through-electrodes. The package includes a second semiconductor chip including second front connection pads and test pads on a second front surface, and a protective layer including openings exposing at least a portion of the second front connection pads and the test pads. The package includes bump structures electrically connecting the first rear connection pads and the second front connection pads, and an adhesive film surrounding at least a portion of each of the first rear connection pads, the dummy pads, and the bump structures. The dummy pads overlap the test pads in a direction perpendicular to the first rear surface, and a height of the dummy pads is greater than a height of the first rear connection pads.

Abstract: A semiconductor device includes a wiring line on a substrate, a first line portion having a line shape in a first direction, a head hammer pattern connected to an end of the first line portion in the first direction; a second wiring line spaced from the first wiring line in a second direction perpendicular to the first direction, the second wiring line including a second line portion parallel to the first line portion; a first contact plug electrically connecting the first line portion and the second line portion, the first contact plug being positioned adjacent to the first end of the first line portion and a second end of the second line portion in the first direction. The first contact plug has a bottom surface higher than a bottom surface of the first and second wiring lines. The upper surface of the first head hammer pattern contacts an insulation material.

Abstract: According to one embodiment, a display device includes a first lower electrode and a second lower electrode, a power supply line, a first organic layer including a light emitting layer and covering the first lower electrode, a second organic layer including a light emitting layer and covering the second lower electrode, a first upper electrode being in contact with the power supply line and covering the first organic layer, a second upper electrode being in contact with the power supply line and covering the second organic layer, and a first inorganic insulating film covering the first upper electrode and the second upper electrode and exposing the power supply line.

Abstract: A display panel has a display area and a peripheral area including: a first fan-out region, a bending region, and a second fan-out region. The display panel includes: a substrate layer, at least one connecting lead and at least one first-type signal line. The substrate layer includes a first substrate and a second substrate. The at least one connecting lead is between the first and second substrates and extends from a side of the bending region to another side of the bending region through the bending region. The at least one first-type signal line is located on a side of the second substrate away from the first substrate. A first-type signal line is in at least one of the first fan-out region or the display area. The first-type signal line is electrically connected to a connecting lead through a via hole in the second substrate.

Abstract: Foldable substrates comprise a first outer layer comprising a first major surface, a second outer layer comprising a second major surface, and a core layer positioned therebetween. The core layer may comprise a first central surface area positioned between a first portion and a second portion of the first outer layer, and the core layer comprising a second central surface area positioned between a third portion and fourth portion of the second outer layer. Some foldable substrates comprise a first portion comprising a first depth of compression, a first depth of layer, and a first average concentration. The central portion may comprise a first central depth of compression, a first central depth of layer, and a central average concentration. Methods comprise chemically strengthening a foldable substrate. Some methods comprise etching the foldable substrate and then further chemically strengthening the foldable substrate.

Abstract: A display panel is disclosed in the present application. A display portion is bent about at least a first direction to define a first arc shape, and the first arc shape has a first radius of curvature. A driving chip is bonded to a pad portion. A support pad is provided between the display portion and the pad portion, and is provided corresponding to at least the driving chip. The support pad includes a first surface toward the display portion and a second surface toward the pad portion, the first surface is in contact with the first arc shape, and the second surface is a flat surface.

Abstract: The present application relates to the technical field of display. Disclosed are a display substrate and a preparation method therefor, and a display panel, which aim at improving the bending resistance of a flexible display panel, and increasing the yield of a flexible display product. The display substrate comprises: a base substrate provided with a display area and a non-display area surrounding the display area; a gate layer located on the base substrate; an interlayer insulation layer, which is located on the side of the gate layer that faces away from the base substrate and comprises a first organic insulation layer and a first inorganic insulation layer, wherein the first organic insulation layer covers the display area and part of the non-display area; a source and drain layer located on the side of the interlayer insulation layer that faces away from the base substrate.

Abstract: A first TFT includes a first semiconductor layer formed of polysilicon, a gate insulating film provided on the first semiconductor layer, a third semiconductor layer provided on the gate insulating film, and a first gate electrode provided on the third semiconductor layer, and a second TFT includes a second semiconductor layer formed of an oxide semiconductor, a first metal layer and a second metal layer formed on a third conductor region and a fourth conductor region, respectively, of the second semiconductor layer.

Abstract: Provided is a display module, which includes a display panel and a first support assembly disposed on a non-display side of the display panel. For each of a second support structure, a third support structure, and a fourth support structure of the first support assembly which are configured to support bending regions of the display panel, the thickness of the support structure is less than the thickness of a first support structure configured to support a non-bending region of the display panel, and/or the support structure configured to support bending regions of the display panel at least includes a target material with a lower elasticity modulus.

Abstract: A display substrate includes a substrate, and first active layers, a first functional layer, a second active layer, a second functional layer and an interlayer dielectric layer stacked in sequence on the substrate. The display substrate further includes first vias, second vias and third vias. The first vias each penetrate at least a portion of the second functional layer and at least a portion of the first functional layer, and each expose a partial surface of a first active layer. The second vias each penetrate the interlayer dielectric layer, and are respectively communicated with the first vias. The third vias each penetrate the interlayer dielectric layer and at least another portion of the second functional layer, and each expose a partial surface of the second active layer. The first vias are formed before the interlayer dielectric layer, and the third vias are formed later than the interlayer dielectric layer.

Abstract: A display apparatus includes a glass substrate and having improved heat-dissipation function and impact absorption function and at the same time, having a reduced thickness. To this end, a plate including a porous member having both a heat-dissipation function and an impact absorption function is disposed under a display panel. The plate can have both a heat-dissipation function and a cushion function with only a porous member without adding a separate heat-dissipation layer or cushion layer. Further, disclosed is a display apparatus in which a black screen is displayed while the display panel is not activated, thereby improving display quality. To this end, a black heat-dissipation layer is formed under the porous member such that the heat-dissipation performance and the display quality are improved.

Abstract: The present disclosure provides an electronic device including a covering layer and a flexible substrate structure. The covering layer includes a first region and a second region. The flexible substrate structure is disposed under the covering layer and includes a first portion corresponding to the first region and a second portion corresponding to the second region. A Gaussian curvature of the first region of the covering layer is different from a Gaussian curvature of the second region of the covering layer, and a Poisson's ratio of the first portion of the flexible substrate structure is different from a Poisson's ratio of the second portion of the flexible substrate structure.