A color filter substrate, a display panel and a display device are provided. The color filter substrate includes: a base substrate; a color conversion layer on the base substrate; a covering layer on a side of the color conversion layer away from the base substrate; and a polarizing layer on a side of the covering layer away from the base substrate. The polarizing layer includes a wire grid polarizer. The covering layer includes a first covering sub-layer and a second covering sub-layer, the first covering sub-layer is located on the side of the color conversion layer away from the base substrate, the second covering sub-layer is located on a side of the first covering sub-layer away from the base substrate, and a material of the first covering sub-layer is different from a material of the second covering sub-layer.

A display panel is provided. The display panel includes a bank layer and a quantum dots material layer on a base substrate. The bank layer defines a plurality of bank apertures. The quantum dots material layer includes a plurality of quantum dots blocks respectively in at least some of the plurality of bank apertures. At least a portion of the bank layer between two adjacent bank apertures includes a first surface, a second surface opposite to the first surface, a third surface connecting the first surface and the second surface closer to a first bank aperture, and a fourth surface connecting the first surface and the second surface closer to a second bank aperture. At least a portion of a third surface or a fourth surface of a portion of the bank layer between two adjacent bank apertures is a wavy surface including alternating convex and concave portions.

An array substrate and a manufacturing method thereof and a display device are provided. The array substrate includes a base substrate, a polarizer, a plurality of active elements, a first organic protective layer and a first inorganic protective layer. The polarizer is located on a first side of the base substrate; the plurality of active elements are arranged in an array form and provided on a second side of the base substrate opposite to the first side; the first organic protective layer is located on a side of the polarizer facing away from the base substrate and covers the polarizer; and the first inorganic protective layer is located on a side of the first organic protective layer facing away from the polarizer and covers the first organic protective layer.

Provided are a display panel and a method for manufacturing the display panel, and a display device and a method for manufacturing the display device. Various embodiments relate to the field of display technology and can reduce the thickness of the display panel. The display panel includes a base, a display driving circuit provided at a first side of the base, and a backlight driving circuit provided at a second side of the base. The display driving circuit includes a first thin film transistor. The backlight driving circuit includes a second thin film transistor, and is configured to drive the backlight source to emit light.

A display device including: a first substrate; first through third subpixel electrodes which are disposed on the first substrate to neighbor each other; a second substrate opposing the first substrate; a first wavelength conversion pattern at least partially overlapping the first subpixel electrode and a second wavelength conversion pattern at least partially overlapping the second subpixel electrode; a first light transmission pattern at least partially overlapping the third subpixel electrode and a second light transmission pattern disposed between the first wavelength conversion pattern and the second wavelength conversion pattern; and a low refractive layer which has a lower refractive index than the first and second wavelength conversion patterns.

A polarizing element has a wire grid structure, and includes a transparent substrate, and projections, which are arrayed on the main surface of the substrate at a pitch p40 that is narrower than the wavelength of the light in the used light region, and extend along the Y-direction. The projections have a laminated structure in which two or more sets of a dielectric layer and a conductive layer are laminated alternately along the Z-direction. The conductive layers include a first conductive layer having absorption properties relative to the light in the used light region and a second conductive layer having reflective properties relative to the light in the used light region. The first conductive layer is provided as the conductive layer closest to the incident side of the light.

Embodiments of the present disclosure provide a display panel, a driving method thereof and a display device. The display panel includes: a light guide plate, configured to propagate light incident at a set angle by total reflection; an opposite substrate, arranged opposite to the light guide plate; a liquid crystal layer, arranged between the light guide plate and the opposite substrate; and a plurality of light extraction structures. Each light extraction structure includes: a light taking grating arranged on a surface of the light guide plate, a first wire grid structure arranged between the light guide plate and the liquid crystal layer, a second wire grid structure arranged between the liquid crystal layer and the opposite substrate, and a first electrode structure and a second electrode structure arranged between the light guide plate and the opposite substrate. A direction of a light transmitting axis of the first wire grid structure is vertical to a direction of a light transmitting axis of the second wire grid structure. The first electrode structure is of a blocky structure. The second electrode structure includes a plurality of strip-shaped sub-electrodes which are parallel to each other; and an included angle between an extension direction of the sub-electrode and the direction of the light transmitting axis of the first wire grid structure ranges from 10° to 80°.

A display panel and a manufacturing method therefor, a drive method and a display device. The display panel includes a first substrate and a second substrate which are arranged opposite to each other. The first substrate includes a first base substrate, and a plurality of first wire grid polarizers and a plurality of pixel units, which are successively located on a side of the first base substrate facing the second substrate in an array arrangement; polarization directions of two adjacent first wire grid polarizers are perpendicular to each other. The second substrate includes: a second base substrate, and a plurality of second wire grid polarizers in an array arrangement which are located on a side of the second base substrate facing the first substrate, and polarization directions of two adjacent second wire grid polarizers are perpendicular to each other.

This polarizing plate is a polarizing plate having a wire grid structure including a transparent substrate and a plurality of protrusions formed on the first surface of a transparent substrate, extending in a first direction, and periodically arranged apart from each other at a pitch shorter than a wavelength of light in a use band, wherein each of the plurality of protrusions includes a reflective layer, a dielectric layer, and an absorption layer in order from the transparent substrate, and the top surface and the side surface of each of the plurality of protrusions are coated with a protective film made of a dielectric material, and wherein the protective film has a cross-sectional area that gradually increases from the top surface side to the transparent substrate side when viewed from a cross section obtained by cutting the protrusion along a plane perpendicular to the surface of the transparent substrate and perpendicular to the first direction.

A display panel and a display device are provided. The display panel includes: a first substrate, including a plurality of pixel units, each pixel unit including a plurality of sub-pixels with different colors; a second substrate, disposed opposite to the first substrate; and a light splitting film, configured to decompose white light incident thereon into a plurality of monochromatic lights which respectively correspond to the plurality of sub-pixels of each pixel unit in color and respectively project the plurality of monochromatic lights onto the plurality of sub-pixels of each pixel unit.