Abstract: A display panel and a display apparatus are provided. The display panel has a display region. The display panel includes in the display region: a plurality of data lines, a plurality of test switches, a plurality of test signal lines and a plurality of test control lines. One of the plurality of test switches includes an input terminal electrically connected to one of the plurality of test signal lines, an output terminal electrically connected to one of the plurality of data lines, and a control terminal electrically connected to one of the plurality of test control lines.

Abstract: Provided are a tiled display panel and a display device. The tiled display panel includes a transparent substrate and at least two display subpanels. The at least two display subpanels are disposed in at least two tiled regions of the transparent substrate respectively. A first alignment pattern on the transparent substrate includes at least two first sub-patterns. The at least two first sub-patterns are disposed in the at least two tiled regions respectively. A first sub-pattern includes a hollowed-out region. A second alignment pattern on a display subpanel includes at least two second sub-patterns. The shape of a second sub-pattern is the same as the shape of the hollowed-out region. The vertical projection of the second sub-pattern on the transparent substrate is located in the hollowed-out region.

Abstract: A method for controlling a display apparatus, and a display apparatus are provided. In an embodiment, the display apparatus includes a flexible display screen and a bottom shell. In an embodiment, the bottom shell is at a side of the flexible display screen away from a light-exiting direction of the display apparatus. In an embodiment, the bottom shell includes first and second shells, the second shell is at a side of the first shell away from the flexible display screen. In an embodiment, the method includes controlling the first shell and the flexible display screen to be synchronously deployed or retracted, and controlling at least a part of the second shell to move away from or toward the first shell at least along a first direction, such that a preset angle is formed between the first shell and at least a part of the second shell.

Abstract: A middle frame assembly and a display apparatus are provided. In an embodiment, the middle frame assembly includes: a middle frame, a back cover, a homothermal structure, and a radiating fin. In an embodiment, the accommodating cavity is formed between the back cover and the middle frame. In an embodiment, the homothermal structure is located in the accommodating cavity. In an embodiment, the radiating fin is located in the accommodating cavity. In an embodiment, a contact area between the radiating fin and the homothermal structure is changeable.

Abstract: A display module includes backplanes and at least two display panels disposed on a side of the backplanes. The backplanes include a first backplane and a second backplane disposed opposite to each other and glue between the two. The first backplane includes communication holes extending through the first backplane. The second backplane includes glue filling holes extending through the second backplane. The glue fills the glue filling holes. The display panels are located on the side of the second backplane facing away from the first backplane, overlap the glue filling holes in the thickness direction of the display module, and are adhered to the second backplane by the glue in the glue filling holes.

Abstract: A display device and its formation method are provided in the present disclosure. The display device includes a flexible display panel; a bending auxiliary layer fixed on a first surface of the flexible display panel; a support plate at a side of the bending auxiliary layer away from the flexible display panel; and an adhesive layer, between the bending auxiliary layer and the support plate, configured to fix the bending auxiliary layer to the support plate. A region where the bending auxiliary layer overlaps the support plate includes a first region and a second region. A sum of thicknesses of the bending auxiliary layer and the support plate in the first region is less than a sum of thicknesses of the bending auxiliary layer and the support plate in the second region. The adhesive layer is in the first region and not in the second region.

Abstract: Provided is a display panel and a method for manufacturing the display panel, and a display apparatus. The display panel includes a cover and a display unit array that are opposite to each other. The display unit array includes at least two display units spliced together. Each display unit has a pixel region and a peripheral region at least partially surrounding the pixel region. Each display unit includes pins provided in the peripheral region. The cover includes connection electrodes. At a splicing position, the pins of two adjacent display units are electrically connected by a connection electrode of the connection electrodes.

Abstract: A foldable display module and its formation method, and a foldable display device are provided in the present disclosure. The module includes a foldable display panel and a support plate which are disposed oppositely. The support plate includes a first support part and a second support part; the first support part is made of a first material; and the second support part is made of a second material; the foldable display module includes a bendable region and a non-bendable region; the foldable display panel includes a bendable portion and a non-bendable portion; the bendable portion is at the bendable region; and the non-bendable portion is at the non-bendable region; the first support part includes a first portion configured to support the bendable portion of the foldable display panel; and the second support part is configured to support the non-bendable portion of the foldable display panel.

Abstract: A foldable display module and its formation method, and a foldable display device are provided in the present disclosure. The module includes a foldable display panel and a support plate which are disposed oppositely. The support plate includes a first support part and a second support part; the first support part is made of a first material; and the second support part is made of a second material; the foldable display module includes a bendable region and a non-bendable region; the foldable display panel includes a bendable portion and a non-bendable portion; the bendable portion is at the bendable region; and the non-bendable portion is at the non-bendable region; the first support part includes a first portion configured to support the bendable portion of the foldable display panel; and the second support part is configured to support the non-bendable portion of the foldable display panel.

Abstract: Embodiments of the present disclosure provide a display panel and a display device. The display panel includes a retroreflective layer disposed on a light-emitting side, wherein the retroreflective layer includes a retroreflective region and a transmissive region, the retroreflective region is configured to reflect light irradiated on the retroreflective region along an opposite direction of an incident direction or close to the opposite direction of the incident direction; the display panel comprises a pixel region and a pixel define region for defining the pixel region, and the pixel region is at least partially overlapped with the transmissive region along a thickness direction of the display panel.

Abstract: A method for controlling a display apparatus, and a display apparatus are provided. In an embodiment, the display apparatus includes a flexible display screen and a bottom shell. In an embodiment, the bottom shell is at a side of the flexible display screen away from a light-exiting direction of the display apparatus. In an embodiment, the bottom shell includes first and second shells, the second shell is at a side of the first shell away from the flexible display screen. In an embodiment, the method includes controlling the first shell and the flexible display screen to be synchronously deployed or retracted, and controlling at least a part of the second shell to move away from or toward the first shell at least along a first direction, such that a preset angle is formed between the first shell and at least a part of the second shell.

Abstract: A display device and its formation method are provided in the present disclosure. The display device includes a flexible display panel; a bending auxiliary layer fixed on a first surface of the flexible display panel; a support plate at a side of the bending auxiliary layer away from the flexible display panel; and an adhesive layer, between the bending auxiliary layer and the support plate, configured to fix the bending auxiliary layer to the support plate. A region where the bending auxiliary layer overlaps the support plate includes a first region and a second region. A sum of thicknesses of the bending auxiliary layer and the support plate in the first region is less than a sum of thicknesses of the bending auxiliary layer and the support plate in the second region. The adhesive layer is in the first region and not in the second region.

Abstract: The present disclosure relates to a backlight module and a display device. The backlight module comprises a light guide plate and a light-emitting assembly configured to emit light rays and cause the light rays as emitted to be incident to the light guide plate in parallel. The light guide plate further comprises a light incident surface, a bottom surface, a light emitting surface on the top thereof, and at least one reflective sloped surface. The reflective sloped surface is positioned between the bottom surface and the light emitting surface, and an angle between the at least one reflective sloped surface and a plane of the bottom surface extending in a direction away from the light incident surface is less than 90°. The light incident surface is located on a side of the light guide plate.

Abstract: The present disclosure provides a dimmer and a manufacturing method thereof, a backlight unit and a display device. The dimmer includes at least one brightness adjusting unit. Each brightness adjusting unit includes a reflective layer and an electrochromic layer stacked over each other, and the electrochromic layer is configured to be reversibly switchable between a transparent state and a color rendering state.

Abstract: Embodiments of the present disclosure provide a display panel and a display device. The display panel includes a retroreflective layer disposed on a light-emitting side, wherein the retroreflective layer includes a retroreflective region and a transmissive region, the retroreflective region is configured to reflect light irradiated on the retroreflective region along an opposite direction of an incident direction or close to the opposite direction of the incident direction; the display panel comprises a pixel region and a pixel define region for defining the pixel region, and the pixel region is at least partially overlapped with the transmissive region along a thickness direction of the display panel.

Abstract: A touch substrate and a method for manufacturing the same, a display panel and a display device. The touch substrate includes a first substrate, and a black matrix and a touch electrode layer on the first substrate. The black matrix defines an effective display area. An orthographic projection of the effective display area on the first substrate coincides with an orthographic projection of the touch electrode layer on the first substrate.

Abstract: The present disclosure provides a backlight module, a display device and a method for adjusting brightness of the backlight module. The backlight module includes a light guide plate comprising a light emitting surface and a first surface opposite to the light emitting surface, and a reflective component on a side of the light guide plate away from the light emitting surface, the reflective component having a reflectivity adjustable to adjust a brightness of the backlight module. In this way, the reflective component in the backlight module can be used to dynamically adjust the brightness of the backlight and improve the contrast between different regions of the backlight module, thereby realizing the display effect of the high dynamic range image. Moreover, the backlight module is low in cost, simple in preparation, and suitable for various types of display devices.

Abstract: A package structure of an organic light emitting diode display panel includes a display substrate, a glass cover plate and a package portion. The display substrate and the glass cover are arranged opposite to each other. The package portion is provided between a non-display region of the display substrate and a portion of the glass cover plate corresponding to the non-display region. The display substrate includes organic light emitting diode elements. The organic light emitting diode elements are located in a sealed cavity enclosed by the display substrate, the glass cover plate and the package portion. The package portion includes a first concavo-convex structure provided at a surface of the display substrate facing the glass cover plate; a second concavo-convex structure provided at a surface of the glass cover plate close to the display substrate; and a package material is provided between the first concavo-convex structure and the second concavo-convex structure.

Abstract: The present disclosure provides a dimmer and a manufacturing method thereof, a backlight unit and a display device. The dimmer includes at least one brightness adjusting unit. Each brightness adjusting unit includes a reflective layer and an electrochromic layer stacked over each other, and the electrochromic layer is configured to be reversibly switchable between a transparent state and a color rendering state.

Abstract: A touch substrate and a method for manufacturing the same, a display panel and a display device. The touch substrate includes a first substrate, and a black matrix and a touch electrode layer on the first substrate. The black matrix defines an effective display area. An orthographic projection of the effective display area on the first substrate coincides with an orthographic projection of the touch electrode layer on the first substrate.