Abstract: An electronic device able to be operated with a first state and a second state includes a substrate and electronic units. In a top view, the substrate has a first area in the first state and a second area in the second state, and the second area is greater than the first area. The electronic units are disposed on the substrate. The number of the electronic units being in a mode of ON in the second state is greater than that in the first state. The electronic device has a PPA_1 that is defined as a number of the electronic units being in the mode of ON per unit area of the substrate while in the first state, and a PPA_2 that is defined as a number of the electronic units being in the mode of ON per unit area of the substrate while in the second state, 1.5×PPA_1?PPA_2?0.5×PPA_1.

Abstract: A display device includes a display panel including a rollable portion and a non-rollable portion. The display panel includes a supporting structure including a groove disposed on a first side of the supporting structure, a substrate disposed on a second side of the supporting structure and the first side opposite to the second side, and a circuit board fixed onto a back of the display panel. The non-rollable portion has a first region. A first region of the circuit board is joined to the first region of the non-rollable portion. The non-rollable portion has a first end and a second end. The first end is connected to the rollable portion. The second end is connected to the circuit board.

Abstract: A display device includes a flexible display panel having two surfaces opposite to each other, and a heat dissipation sheet disposed on one of the two surfaces of the flexible display panel and being foldable together with the flexible display panel. In a side view, the heat dissipation sheet includes at least one opening.

Abstract: The disclosure provides a transparent display device including a display panel. The display panel includes a display area, a non-display area, and a plurality of pixels. The non-display area is adjacent to the display area. The plurality of pixels are disposed in the display area. A difference between a transmittance of the display area and a transmittance of the non-display area is less than 30% of the transmittance of the display area.

Abstract: A flexible display device is disclosed. The flexible display device includes a flexible substrate, a display structure, a protective structure and an adhesive. The display structure is disposed on the flexible substrate. The protective structure is disposed on the display structure and forms a first accommodating space. The adhesive is disposed in the first accommodating space.

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: A foldable display device is provided by the present disclosure. The foldable display device includes a foldable display panel and a foldable cover. The foldable cover is adhered to the foldable display panel. The foldable cover includes an inner substrate, an outer substrate and a first adhesive. The first adhesive is disposed between the inner substrate and the outer substrate. A thickness of the first adhesive is ranged from 1 micrometer to 40 micrometers, and a ratio of the sum of the thickness of the first adhesive and a thickness of the inner substrate to a thickness of the foldable cover is greater than or equal to 0.5 and less than 1. In addition, the foldable display device further includes a second adhesive disposed between the foldable display panel and the foldable cover.

Abstract: An electronic device which is capable of being bent in a first direction and includes a plurality of light-emitting units and a plurality of conductive patterns overlapping with at least a portion of the plurality of light-emitting units and extending in a second direction. The first direction and the second direction have an angle ? of not greater than 30 degrees.

Abstract: A flexible electronic assembly includes a flexible supporting assembly, an electronic component, and a cover layer. The flexible supporting assembly includes a first surface and a second surface opposite to the first surface. In a plan view of the flexible electronic assembly, the second surface includes a plurality of protrusions and one of the protrusions includes at least one rounded corner. The electronic component is coupled to the first surface of the flexible supporting assembly. The cover layer is coupled to the electronic component.

Abstract: A substrate assembly includes a substrate having a first surface and a second surface opposite to the first surface. The substrate assembly includes a first conductive portion disposed on the first surface, and a second conductive portion disposed on the second surface. The substrate assembly includes a connective portion that is at least partially disposed in the substrate and penetrates from the first surface to the second surface. The first conductive portion is electrically connected to the second conductive portion through the connective portion. The substrate assembly includes a processing unit disposed on the first surface, and an electronic element disposed on the second surface. The first conductive portion, the second conductive portion and the connective portion are overlapped with either of the processing unit or the electronic element, and the other of the processing unit or the electronic element is electrically connected to the first conductive portion.

Abstract: A stretchable electronic device includes a first electronic unit including a first light emitting element, a second electronic unit including a second light emitting element and disposed adjacent to the first electronic unit, and an elasticity layer having a connecting region connecting the first display unit and the second display unit. In a top view of the stretchable electronic device, a size difference between the connecting region before stretching and the connecting region after stretching is greater than a size difference between the first electronic unit before stretching and the first electronic unit after stretching.

Abstract: An electronic device and an electronic device operation method are disposed. The electronic device includes a flexible element and a controller. The flexible element includes a plurality of sensing electrodes. In a stacked state, a first portion of the flexible element overlaps a second portion of the flexible element. The controller is electrically connected to the plurality of the sensing electrodes of the flexible element. The controller receives a first signal from the plurality of sensing electrodes in the first portion and receives a second signal from the plurality of the sensing electrodes in the second portion.

Abstract: A flexible device includes a first layer, a second layer, and a dielectric layer disposed between the first layer and the second layer. The first layer includes a plurality of first patterns. Two adjacent ones of the first patterns have a first pitch from two edges of the two adjacent ones of the first patterns. The second layer overlaps with the first layer and includes a plurality of second patterns. Two adjacent ones of the second patterns have a second pitch from two edges of the two adjacent ones of the second patterns. The first patterns include first conductive lines, and the second patterns include second conductive lines. One of the first patterns has a first width, one of the second patterns has a second width, and a ratio of the first width to the first pitch is less than a ratio of the second width to the second pitch.

Abstract: An electronic device includes a supporting film, a flexible substrate, an integrated circuit unit, and a sensing structure. A least a portion of the flexible substrate and the integrated circuit unit respectively correspond to opposite sides of the supporting film. The sensing structure is electrically connected to the integrated circuit unit.

Abstract: The disclosure provides a display device. The display device includes a display panel and a vibration generating module. The vibration generating module is attached to the display panel and includes a substrate, a circuit layer, and a plurality of vibrators. The circuit layer and the plurality of vibrators are disposed on the substrate, and the plurality of vibrators are electrically connected to the circuit layer.

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.

Abstract: A display device includes a patterned substrate, a plurality of light emitting unit, a first insulating layer and a sensing layer. The patterned substrate has a plurality of island structures and a plurality of bridge structures, and at least one bridge structure connects two adjacent island structures. At least one light emitting unit is disposed on one of the two adjacent island structures. The first insulating layer is disposed on the light emitting units. The sensing layer is disposed on the first insulating layer and has a mesh unit, the mesh unit has a mesh frame and an opening, and the at least one light emitting unit is disposed in the opening.

Abstract: A display device is provided, which includes a first substrate, a first display structure, a second display structure, a first optical film, a second optical film, a first adhesive layer, a second adhesive layer and a protecting layer. The first and second optical films are separated. The first adhesive layer is disposed between the first display structure and first optical film. The second adhesive layer is disposed between the second display structure and second optical film. The protecting layer is disposed on the first display structure and the second display structure. The first and second display structures are different from each other and are selected from a liquid-crystal display, an organic light-emitting diode display, an inorganic light-emitting diode display or a laser display.

Abstract: A display device includes a rollable display panel and a discharger. The rollable display panel with a first portion and a second portion includes a displaying side and a non-displaying side opposite to the displaying side. The discharger is disposed on one of the displaying side and the non-displaying side, wherein the discharger is positioned between the first portion and the second portion when the rollable display panel is rolled and the first portion and the second portion move close to each other.

Abstract: An electronic device is disclosed. The electronic device includes a first substrate, a circuit assembly, a second substrate, a first adhesive layer, and a second adhesive layer. The circuit assembly is disposed on the first substrate. The second substrate is disposed on the circuit assembly. The first adhesive layer is disposed between the circuit assembly and the first substrate. The first adhesive layer has a first outer profile. The second adhesive layer is disposed between the circuit assembly and the second substrate. The second adhesive layer has a second outer profile. The first outer profile and the second outer profile correspond to a same side of the electronic device. At least a portion of the first outer profile and at least a portion of the second outer profile are non-overlapped.