A backlight device is provided and include frame formed of sheet material including at least four bars; first adhesive layer provided on one surface of the bars; reflective sheet attached to frame with first adhesive layer; second adhesive layer is provided on another surface opposed to the one surface of the bars; optical member including lightguide plate disposed on reflective sheet in frame; and light source disposed in frame and configured to emit light to optical member, wherein thickness of second adhesive layer provided on three successive bars of frame along three sides of lightguide plate is greater than thickness of first adhesive layer provided on four bars of frame.

A display panel and a display device are provided. The display panel includes a first pixel area and a second pixel area adjacent to the first pixel area. The display panel includes an array substrate, a color film substrate arranged oppositely to the array substrate, a liquid crystal layer between the array substrate and the color film substrate, and a backlight module positioned at a side of the color film substrate, which is back on to the array substrate. The display panel comprises a plurality of micro light emitting diode (micro LED) lighting units. A transparent area is placed among the micro LED lighting units, and the color film substrate includes a color filter in the second pixel area.

The present disclosure provides a display device and a splicing screen, relating to the field of display equipment. The display device includes a liquid crystal display screen, a lamp board, and a printed circuit board. The lamp board includes a flexible circuit board and a plurality of light-emitting diodes. The flexible circuit board includes a first part and a second part connected to each other. The light-emitting diodes are disposed on the first part, and the first part is disposed on an edge of a front surface of the liquid crystal display screen. The second part extends outside of the liquid crystal display screen to a rear surface of the liquid crystal display screen and is detachably plugged into the printed circuit board disposed on the rear surface. Since the first part is disposed on the edge of the front surface of the liquid crystal display, a picture displayed on the light-emitting diodes can block an edge region of the liquid crystal display screen. Therefore, when a plurality of display devices is spliced into a splicing screen, split seams can be reduced or even eliminated, thereby improving visual effect.

A dimming assembly includes a first prism having a first surface and a second surface opposite to each other, and a second prism disposed on a side where the second surface of the first prism is located. The first surface includes first dimming portions, each of which includes two first side surfaces. Edges of the two first side surfaces away from the second surface intersect at a first intersection line. A surface of the second prism proximate to the second surface includes second dimming portions, each of which includes two second side surfaces. Edges of the two second side surfaces proximate to the second surface intersect at a second intersection line. A distance between orthographic projections of two adjacent first intersection lines on the second surface is less than a distance between orthographic projections of two adjacent second intersection lines on the second surface.

This disclosure relates to a display substrate. The display substrate includes: a backplate, and a light-emitting device and a thin film encapsulation layer which are successively formed on the backplate, wherein the backplate includes a display area, the display area includes a plurality of pixel areas arranged in an array; the display substrate further includes an electrochromic unit arranged on a side, away from the backplate, of the thin film encapsulation layer, wherein the electrochromic unit includes at least a first area, and projection of the first area onto the backplate covers the pixel areas; the electrochromic unit is in a transparent state when the light-emitting device emits light, and the electrochromic unit is in a black state when the light-emitting device does not emit light. This disclosure also relates to a display apparatus and a display substrate manufacture method.

A light source module and a display device are provided. The light source module includes a light-emitting element, a light-guiding plate, and a filter. The light-emitting element includes a light-emitting surface. The light-guiding plate includes a light-incident surface, and the light guide plate is disposed such that the light-incident surface faces the light-emitting surface. The filter is disposed between the light-emitting surface and the light-incident surface, and a center wavelength of a reflection band of the filter falls in a range of 570 nm to 590 nm. The light-emitting element emits a first light having a first color temperature from the light-emitting surface. The first light is filtered into the second light having a second color temperature after it passes through the filter. The light-incident surface of the light-guiding plate receives the second light. The first color temperature is lower than the second color temperature.

A planar light source includes a light source, a light guide member, and a sectioning member. The light guide member has a light source placement part in which the light source is disposed and a section defining part having a groove surrounding the light source placement part. The sectioning member has light reflectivity and is disposed in the section defining part. A first portion in the section defining part that is furthest from a center of the light source in a plan view has a transmittance higher than a transmittance of a second portion in the section defining part that is closest from the center of the light source in the plan view.

A driving method of a display panel, a driving device, a display device, and a storage medium are provided. The driving method of the display panel includes: obtaining an input image that is to be displayed; determining a display picture corresponding to the plurality of display pixels of the display screen according to the input image; determining a first dimming picture corresponding to the plurality of dimming pixels of the dimming screen according to the input image, and processing the first dimming picture to obtain a second dimming picture; providing the display picture to make the dimming screen perform backlight modulation on the display screen according to the second dimming picture, and providing the second dimming picture to make the display screen display the input image according to the display picture.

The present application relates to a light-emitting device and a fabrication method thereof, a display device or lighting device, the light-emitting device comprising: a substrate; a light-emitting structure layer disposed on one side of the substrate and comprising a light-emitting function layer; a first light extraction layer disposed on a light exit side of the light-emitting function layer, a light exit surface of the first light extraction layer having an irregular brush-like micro-nano structure.

A light guide plate, a backlight module and a display device are provided. The light guide plate is configured to be coupled to a light source. The light guide plate includes a light-emitting surface, a bottom surface, a light-incident surface, plural stripe-shaped microstructures and plural light guiding microstructures. The bottom surface is opposite to the light-emitting surface. The light-incident surface is connected between the light-emitting surface and the bottom surface. The stripe-shaped microstructures are disposed on the at least one of the light-emitting surface and the bottom surface, and each of the stripe-shaped microstructures has two opposing side surfaces and an active surface. The side surfaces are respectively connected to two opposite sides of the active surface. The light-guiding microstructures are disposed between any adjacent two of the stripe-shaped microstructures and arranged along an extending direction of each of the stripe-shaped microstructures.