Abstract: A display module includes: a display panel, which has a fingerprint identification region; a first protective layer disposed on a back surface of the display panel, the back surface being a surface of the display panel opposite to a display surface of the display panel, and the first protective layer being provided therein with a first opening for exposing the fingerprint identification region; and a metal protective layer disposed on a surface of the first protective layer away from the display panel, the metal protective layer being provided therein with a second opening, the second opening exposing the first opening, and an orthographic projection of an edge of the second opening on the display panel being located outside an orthographic projection of an edge of the first opening on the display panel.

Abstract: A method for controlling voltage output is disclosed. The method is used to control a power supply module to provide a required operating voltage to a display panel, and a display frame of the display panel comprises a plurality of sequential row driving periods, each row driving period comprising a charging period and a non-charging period, wherein during the charging period, a connection between a data line and a corresponding row of sub-pixels is enabled so that data voltages are written into the corresponding sub-pixels. The method comprises controlling the power supply module to output an operating voltage at a preset first operating frequency during a display of a picture to be displayed, wherein a time period during which the power supply module outputs the operating voltage to the display panel does not overlap with the charging period of each row driving period.

Abstract: A display module, an assembly method of the display module and a display apparatus are provided, which belongs to the technical field of displaying, and the display module includes: a cover plate, a side of which including a first area and a second area adjacently connected to the first area; a display panel attached to the first area; and a spacer attached to a part or all of the second area, a height of the spacer being greater than a height of the display panel. The spacer includes a housing and an injection cavity recessed into interior of the housing, the injection cavity is close to the display panel and the injection cavity is filled with an injection material; and a space cavity is provided at a side of the display panel close to the spacer, and the space cavity is filled with the injection material.

Abstract: The present disclosure provides a display panel, a method for preparing the same, and a display device. The display panel includes pixel units distributed in an array in a display area, where the pixel units include sub-pixels, at least one of which has a maximum grayscale value voltage different from a maximum grayscale value voltage of the other sub-pixel; and a switching circuit including switching units on a side of the display area, where one end of the switching unit is connected to a data line. In two adjacent columns of pixel units, two sub-pixels having the same maximum grayscale value voltage are connected to two adjacent switching units through data lines, respectively.

Abstract: A display device includes: a display panel; and a polarizer, an optical adhesive, and a cover plate sequentially arranged on the display panel. The display panel has a transparent region. The polarizer has first and second surfaces parallel to each other, and the first surface is proximal to the display panel. The polarizer has therein a through hole penetrating through the first and second surfaces. The through hole has first and second boundaries at the first and second surfaces, respectively. An orthogonal projection of the first boundary on the second surface is inside and not in contact with the second boundary. For third and fourth boundaries of the through hole parallel to the first boundary, an orthogonal projection of the third boundary on the fourth boundary does not extend beyond the fourth boundary, the third boundary being closer to the first boundary than the fourth boundary.

Abstract: A display module, an assembly method of the display module and a display apparatus are provided, which belongs to the technical field of displaying, and the display module includes: a cover plate, a side of which including a first area and a second area adjacently connected to the first area; a display panel attached to the first area; and a spacer attached to a part or all of the second area, a height of the spacer being greater than a height of the display panel. The spacer includes a housing and an injection cavity recessed into interior of the housing, the injection cavity is close to the display panel and the injection cavity is filled with an injection material; and a space cavity is provided at a side of the display panel close to the spacer, and the space cavity is filled with the injection material.

Abstract: The present disclosure relates to a flexible printed circuit board comprising a first region extending along a first direction, wherein the first region comprises a binding area and a track area arranged adjacent to each other along the first direction, at least one side of the binding area is provided with a conductive functional area along a second direction, the conductive functional area is electrically connected to a grounding wire in the track area for grounding, and the second direction is arranged at an angle to the first direction; the flexible printed circuit board comprises a substrate layer, and the conductive functional area comprises two conductive layers located on at least one side of the substrate layer, and the two conductive layers are electrically connected with each other through a via hole. The present disclosure also relates to a display module and a display device.

Abstract: A display module includes a display panel having a fingerprint identification area and a light-transmitting protective film located on a back surface of the display panel. The light-transmitting protective film includes a protective layer, a light-shielding pattern located on a side of the protective layer, and a light-transmitting adhesive layer located on a side of the light-shielding pattern away from the protective layer. The protective layer has a target area. At least the target area is a light-transmitting area, and the target area at least partially overlaps with the fingerprint identification area. The light-shielding pattern defines a plurality of imaging apertures, the plurality of imaging apertures are arranged at intervals, and orthogonal projection of the plurality of imaging apertures on the protective layer are at least located in the target area. A surface of the light-transmitting adhesive layer away from the light-shielding pattern is in contact with the display panel.

Abstract: A display device includes a flexible display panel including a display part and a bonding part, the bonding part being located on the back side of the display part, and a side of the bonding part away from the display part being the bonding side, the driving chip being arranged on the bonding side of the bonding part, and having a first side and a second side opposite in the first direction, where the first direction is perpendicular to the thickness direction; a spacer being disposed on the bonding side of the bonding part, where the spacer is located on one side or both sides of the driving chip in the first direction, and a thickness of the spacer is greater than a thickness.

Abstract: The present disclosure provides a display panel, a method for preparing the same, and a display device. The display panel includes pixel units distributed in an array in a display area, where the pixel units include sub-pixels, at least one of which has a maximum grayscale value voltage different from a maximum grayscale value voltage of the other sub-pixel; and a switching circuit including switching units on a side of the display area, where one end of the switching unit is connected to a data line. In two adjacent columns of pixel units, two sub-pixels having the same maximum grayscale value voltage are connected to two adjacent switching units through data lines, respectively.

Abstract: The present disclosure provides a display panel and a manufacturing method therefor, and the display device. The display panel comprises a display area and a binding area, the binding area comprises a bending area and a composite circuit area which are sequentially arranged in a direction away from the display area, and the bending area is configured to turn the composite circuit area to the back of the display area by bending; a first functional hole is formed in the display area, a second functional hole is formed in the binding area, and the orthographic projection of the first functional hole on the plane of the display area at least partially overlaps the orthographic projection of the second functional hole on the plane of the display area.

Abstract: A method for controlling voltage output is disclosed. The method is used to control a power supply module to provide a required operating voltage to a display panel, and a display frame of the display panel comprises a plurality of sequential row driving periods, each row driving period comprising a charging period and a non-charging period, wherein during the charging period, a connection between a data line and a corresponding row of sub-pixels is enabled so that data voltages are written into the corresponding sub-pixels. The method comprises controlling the power supply module to output an operating voltage at a preset first operating frequency during a display of a picture to be displayed, wherein a time period during which the power supply module outputs the operating voltage to the display panel does not overlap with the charging period of each row driving period.

Abstract: This disclosure relates to an organic light-emitting diode (OLED) display module, including a middle bezel, a display panel, and a cover glass. The cover glass is located at a light-emitting side of the display panel and the middle bezel includes a side plate surrounding the display panel and the cover glass. A side surface of the cover glass is a first inclined surface inclined at an angle to a light incident surface of the cover glass, and the side plate includes a second inclined surface inclined correspondingly and being attached to the first inclined surface. This disclosure also relates to a display device.

Abstract: A display device includes a flexible display panel including a display part, a bonding part, and a substrate bending part connecting the display part and the bonding part, the bonding part being located on the back side of the display part, and a side of the bonding part away from the display part being the bonding side, the driving chip being arranged on the bonding side of the bonding part, and having a first side and a second side opposite in the first direction, where the first side is close to the substrate bending part, and the second side is distal to the substrate bending part, the first direction being perpendicular to the thickness direction; a main flexible circuit board, disposed on the second side of the driving chip and connected to the bonding side of the bonding part; a touch layer; and a control flexible circuit board.

Abstract: Disclosed are a foldable screen and a display device. The foldable screen includes: a flexible display panel and a plurality of elastic portions, wherein each of the elastic portions includes each of elastic support members and two connecting rods fixedly connected to each of the elastic support members; wherein the two connecting rods are respectively connected to two flat portions of the flexible display panel, and the elastic support members are configured to supply a support force to the foldable portion in the case that a display surface of the foldable portion of the flexible display panel is coplanar with those of the flat portions.

Abstract: A bracket for a flexible display module is provided. The flexible display module includes a flexible display panel and a transparent cover plate. The flexible display panel includes a display region, a binding region opposite to the display region and a bending region connecting the display region and the binding region. The transparent cover plate is fixed to the display region of the flexible display panel. The bracket includes a first body and a second body fixedly connected with each other. An inner surface of the first body is provided with an accommodating region for accommodating the bending region of the flexible display panel. The second body is fixedly and detachably connected to a back of the flexible display panel.

Abstract: A display module includes a display panel, a first optical adhesive layer disposed on a side of a display surface of the display panel, a touch panel disposed on a side of the first optical adhesive layer away from the display panel, and at least one isolation film between the display panel and the touch panel. The display panel includes a display region and a peripheral region that is provided with at least one alignment mark. The touch panel includes a plurality of peripheral signal lines. An orthographic projection of the peripheral signal lines on a plane where the display panel is located at least partially overlaps with an orthographic projection of the at least one alignment mark on the plane. An orthographic projection of each isolation film on the plane covers an alignment mark.

Abstract: The present disclosure provides a display device and a manufacturing method thereof. In an embodiment, the display device includes a display panel, a touchpad and a joint. The touchpad is located on a display side of the display panel and includes a main body area and a bonding area. The joint is arranged on a side of the display panel facing the touchpad and is configured to electrically connect the touchpad and a driving chip. A side of the bonding area facing the display panel is configured to be joined with the joint.

Abstract: An electrode plate includes a current collector which includes an insulating layer, a first conductor layer and a second conductor layer disposed on two sides of the insulating layer respectively, and a conductive connector. The outward side of the first conductor layer is provided with a first blank region and a first active material coating layer. The outward side of the second conductor layer is provided with a second blank region and a second active material coating layer. The first blank region is provided with a folded region, and the second blank region covers the first blank region. One end of the conductive connector extends out of the folded region to connect the first blank region. The other end of the conductive connector is connected to the second blank region. The conductive connector is adapted to electrically connect the first blank region and the second blank region.

Abstract: A display apparatus and a preparation method thereof, the display apparatus includes a display panel whose display area has a first hole; a polarizer disposed on one side of the display panel, wherein the polarizer has a blind hole, the blind hole penetrates through an optical characteristic layer in the polarizer, and an orthographic projection of the blind hole on the display panel at least partially overlaps with the first hole; a first optical adhesive layer disposed on a surface of the polarizer away from the display panel, wherein the first optical adhesive layer includes a planar portion and a convex portion, and the convex portion is filled in the blind hole; a cover plate disposed on one side of the first optical adhesive layer away from the display panel.