Abstract: A spatial light modulator and a holographic 3D display device are provided. The spatial light modulator includes a first liquid crystal panel configured to adjust a phase of first light; a second liquid crystal panel configured to adjust an amplitude of the first light, located on one side of the first liquid crystal panel; a quarter-wave plate located on a side of the second liquid crystal panel away from the first liquid crystal panel; and a polarizer located on a side of the quarter-wave plate away from the first liquid crystal panel. A difference between a refractive index of second liquid crystal molecules along a direction of the liquid crystal optical axis and a refractive index perpendicular to the direction of the liquid crystal optical axis is ?n, a thickness of the second liquid crystal layer is d, a wavelength of the first light is ?1, and 0.5?1??n×d?0.75?1.

Abstract: A display panel including light-sensing devices and light-detection circuits. The light-detection circuit includes a sensing module, a reading module, and a resetting module. The sensing module includes a control terminal electrically connected to the light-sensing device and the resetting module, an input terminal electrically connected to a first signal line, and an output terminal electrically connected to the reading module. Further, a first light-sensing device is electrically connected to the control terminal of the sensing module in a first light-detection circuit, and a second light-sensing device is electrically connected to the control terminal of the sensing module in a second light-detection circuit. The second light-detection circuit further includes a first capacitor, and the first capacitor is electrically connected to the control terminal of the sensing module in the second light-detection circuit.

Abstract: A holographic display system, a holographic display method and an electronic device are provided. The holographic display system includes a backlight module configured to emit a backlight beam, a spatial light modulator configured to perform phase and amplitude modulations on the backlight beam, and a plurality of liquid crystal grating modules that are sequentially arranged in a first direction. Based on a polarization direction of incident light, a liquid crystal grating module is capable of changing or maintaining a propagation direction of the incident light. A first optical rotator disposed on a light-incident side of the liquid crystal grating module is capable of rotating the polarization direction of the incident light, to make at least one liquid crystal grating module change the propagation direction of the incident light, and at least one liquid crystal grating module do not change the propagation direction of the incident light within a preset duration.

Abstract: A display panel and a display device are provided. The display panel includes a substrate; light-emitting devices on a side of the substrate; photosensitive devices on the side of the substrate same as the light-emitting devices; and touch electrodes on a side of the photosensitive devices away from the substrate. The display panel includes a light-emitting region and a non-light-emitting region. The light-emitting devices correspond to the light-emitting region; and the photosensitive devices are disposed in the non-light-emitting region.

Abstract: A display panel includes a substrate; an array layer on the substrate; a display layer located on a side of the array layer away from the substrate, where the display layer includes a plurality of light-emitting devices; an optical layer located on a side of the display layer away from the array layer, wherein the optical layer includes a first optical structure, and at least a portion of the first optical structure is arranged corresponding to intervals between the plurality of light-emitting devices; and a light-shielding member located on a side of the optical layer facing the substrate, where the light-shielding member includes a light pass area, and the light pass area and the first optical structure overlap each other.

Abstract: Provided are a display panel and a display device, where the display panel includes a first light-emitting unit and a first color-resist block which are correspondingly disposed, where the first color-resist block includes a first display color-resist block and a first imaging color-resist block, the first light-emitting unit includes a first boundary and a second boundary which are disposed opposite to each other, the first boundary is located on a side of the second boundary near the first imaging color-resist block, the first display color-resist block includes a first edge and a second edge which are disposed opposite to each other, the first edge is located on a side of the second edge near the first imaging color-resist block, and a maximum distance between the first boundary and the first edge is greater than a maximum distance between the second boundary and the second edge.

Abstract: A gating and a display device are provided. The grating includes a first substrate and a second substrate disposed opposite to the first substrate; a grating electrode layer including a plurality of grating electrodes and disposed on the first substrate, and a supporting structure including a plurality of first supporting pillars. An extension direction of the plurality of grating electrodes is a first direction; a size L11 of a first supporting pillar of the plurality of first supporting pillars along the first direction is greater than a size W11 of the supporting pillar along a second direction; the first direction and the second direction are both parallel to a plane where the first substrate is located; and the first direction is perpendicular to the second direction.

Abstract: A display panel having a display region and a non-display region, and the display panel includes: a substrate; light-emitting elements disposed at a side of the substrate and located in the display region, at least one light-emitting element includes a light-emitting layer; and a light-shielding layer disposed at a side of the light-emitting elements facing away from the substrate, the light-shielding layer includes first apertures, and in a direction perpendicular to the substrate, at least one first aperture does not overlap with the light-emitting layer. A distance between a first point on an edge of a first orthographic projection and a second point on an edge of a second orthographic projection is defined as a distance L satisfying L?d×sin?/?n2?sin2?, where d denotes a distance between the light-emitting layer and the light-shielding layer, n denotes a refractive index of a functional film layer, ? denotes a visible angle and 0°<?<90°.

Abstract: A display panel having a display region and a non-display region. The display panel includes: a substrate; at least one light-emitting element disposed at a side of the substrate and located in the display region, a light-emitting elements includes a light-emitting layer; and a light-shielding layer disposed at a side of the light-emitting elements away from the substrate, the light-shielding layer includes at least one first aperture, and in a direction perpendicular to the substrate, at least one first aperture does not overlap with the light-emitting layer. A distance between a first point on an edge of a first orthographic projection and a second point on an edge of a second orthographic projection is defined as a distance L satisfying L ? d × sin ? ? n 2 - sin 2 ? ? , where d denotes a distance between the light-emitting and light-shielding layer, n denotes a refractive index of a functional film layer, ? denotes a visible angle and 0°<?<90°.

Abstract: A display panel having a display region and a non-display region, and the display panel includes: a substrate; light-emitting elements disposed at a side of the substrate and located in the display region, at least one light-emitting element includes a light-emitting layer; and a light-shielding layer disposed at a side of the light-emitting elements facing away from the substrate, the light-shielding layer includes first apertures, and in a direction perpendicular to the substrate, at least one first aperture does not overlap with the light-emitting layer. A distance between a first point on an edge of a first orthographic projection and a second point on an edge of a second orthographic projection is defined as a distance L satisfying L ? d × sin ? ? n ? 2 - sin ? 2 ? ? , where d denotes a distance between the light-emitting layer and the light-shielding layer, n denotes a refractive index of a functional film layer, ? denotes a visible angle and 0°<?<90°.

Abstract: Provided are a display panel and a display device. The display panel includes a metal layer and a display function layer, and the metal layer is located between the display function layer and a display surface of the display panel; the metal layer includes multiple metal conductive structures, and the multiple metal conductive structures are arranged with a period, and are arranged in a first direction with a first period; the display function layer includes multiple pixel units, and the multiple pixel units are arranged with a period, and are arranged in a second direction with a second period; the first period and the second period are in a relationship of an integral multiple.

Abstract: A display panel and a display device are provided. The display panel includes a substrate; light-emitting devices on a side of the substrate; photosensitive devices on the side of the substrate same as the light-emitting devices; and touch electrodes on a side of the photosensitive devices away from the substrate. The display panel includes a light-emitting region and a non-light-emitting region. The light-emitting devices correspond to the light-emitting region; and the photosensitive devices are disposed in the non-light-emitting region.

Abstract: A holographic display system and an electronic device are provided. The holographic display system includes: at least a first optical module, a second optical module and a third optical module arranged sequentially in a first direction towards which the backlight is to be emitted. The first optical module is configured to transmit light of a first polarization direction, the second optical module is configured to transmit light of a second polarization direction, and the third optical module is configured to transmit light of a third polarization direction. The first polarization direction and the second polarization direction are at an angle of ?1, the second polarization direction and the third polarization direction are at an angle of ?2, and the first polarization direction and the third polarization direction are at an angle of ?3, ?3 is greater than at least one of ?1 and ?2.

Abstract: A holographic display system, a holographic display method and an electronic device are provided. The holographic display system includes a backlight module configured to emit a backlight beam, a spatial light modulator configured to perform phase and amplitude modulations on the backlight beam, and a plurality of liquid crystal grating modules that are sequentially arranged in a first direction. Based on a polarization direction of incident light, a liquid crystal grating module is capable of changing or maintaining a propagation direction of the incident light. A first optical rotator disposed on a light-incident side of the liquid crystal grating module is capable of rotating the polarization direction of the incident light, to make at least one liquid crystal grating module change the propagation direction of the incident light, and at least one liquid crystal grating module do not change the propagation direction of the incident light within a preset duration.

Abstract: Provided is a display panel having a display region and a non-display region, and the display panel includes: a substrate; light-emitting elements disposed at a side of the substrate and located in the display region, each of light-emitting elements includes a light-emitting layer; and a light-shielding layer disposed at a side of the light-emitting elements facing away from the substrate, the light-shielding layer includes first apertures, and in a direction perpendicular to the substrate, each first aperture does not overlap with the light-emitting layer. In an embodiment, a distance between a first point on an edge of a first orthographic projection and a second point on an edge of a second orthographic projection is defined as a distance L, which satisfies L ? d × sin ? ? n 2 - sin 2 ? ? , where d denotes a distance between the light-emitting layer and the light-shielding layer, n denotes a refractive index of a functional film layer, ? denotes a visible angle and 0°<?<90°.

Abstract: A display panel and a display device are provided. The display panel includes a photosensitive array layer including a plurality of photosensitive units arranged in an array, a light-emitting function layer, and a color resist layer. The light-emitting function layer is disposed between the color resist layer and the photosensitive array layer. The color resist layer includes a first light-shielding layer and a plurality of first color resist units. The first light-shielding layer contains a plurality of first openings and a plurality of second openings. A first opening of the plurality of first openings corresponds to a photosensitive unit of the plurality of photosensitive units, and a first color resist unit of the plurality of first color resist units at least covers a second opening of the plurality of second openings. At least one of the plurality of second openings is connected with the first opening.

Abstract: A display panel includes a substrate; an array layer on the substrate; a display layer located on a side of the array layer away from the substrate, where the display layer includes a plurality of light-emitting devices; an optical layer located on a side of the display layer away from the array layer, wherein the optical layer includes a first optical structure, and at least a portion of the first optical structure is arranged corresponding to intervals between the plurality of light-emitting devices; and a light-shielding member located on a side of the optical layer facing the substrate, where the light-shielding member includes a light pass area, and the light pass area and the first optical structure overlap each other.

Abstract: A display panel including light-sensing devices and light-detection circuits. The light-detection circuit includes a sensing module, a reading module, and a resetting module. The sensing module includes a control terminal electrically connected to the light-sensing device and the resetting module, an input terminal electrically connected to a first signal line, and an output terminal electrically connected to the reading module. Further, a first light-sensing device is electrically connected to the control terminal of the sensing module in a first light-detection circuit, and a second light-sensing device is electrically connected to the control terminal of the sensing module in a second light-detection circuit. The second light-detection circuit further includes a first capacitor, and the first capacitor is electrically connected to the control terminal of the sensing module in the second light-detection circuit.

Abstract: A display panel and a display device are provided. The display panel includes a substrate an array layer on the substrate; a display layer located on a side of the array layer away from the substrate, wherein the display layer includes a plurality of light-emitting devices; an optical layer located on a side of the display layer away from the array layer, wherein the optical layer includes a first optical structure, and the first optical structure is arranged corresponding to intervals between the plurality of light-emitting devices; and a first light-shielding member located on a side of the optical layer facing the substrate, wherein the first light-shielding member forms a light pass opening, and the light pass opening and the first optical structure overlap each other.

Abstract: The present application describes a display panel and a display device. The display panel according to the present application includes: an array substrate; and a plurality of pixels, the pixels including light-emitting elements; wherein the light-emitting element is located at a side of the array substrate and includes a light-emitting region and a non-light-emitting region; and wherein at least two of the light-emitting elements are arranged in different manners.