Abstract: A light-emitting baseplate and a preparation method thereof, and a light-emitting device, relate to the technical field of displays. The light-emitting baseplate includes: a substrate; and a first metal pattern disposed on a side of the substrate, including a first surface away from the substrate, a second surface close to the substrate, and a first side surface connecting the first surface and the second surface, the first surface including a middle region, and an edge region at a periphery of the middle region; wherein the first surface protrudes toward a side away from the substrate, and a protrusion height of the middle region is greater than a protrusion height of the edge region.

Abstract: The present disclosure provides a pulse width modulation method, a pulse width modulation module and a display device. A display panel includes a pixel circuitry configured to receive a light-emission control signal and control a light-emitting element to emit light under the control of the light-emission control signal, and a display period includes a refresh frame and a maintenance frame. The pulse width modulation method includes: increasing at least one active pulse width of the light-emission control signal within the refresh frame so that the at least one active pulse width of the light-emission control signal is larger than a first active pulse width threshold; and/or decreasing at least one active pulse width of the light-emission control signal within the maintenance frame so that the at least one active pulse width of the light-emission control signal is less than a second active pulse width threshold.

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: The present disclosure provides a light-emitting element, a light-emission compensation method and an electronic device. The light-emitting element includes a substrate and at least one light-emitting unit arranged on the substrate. Each light-emitting unit includes: a first electrode; a first light-emitting layer; a common electrode; a second light-emitting layer, an orthogonal projection of the second light-emitting layer onto the substrate at least partially overlapping with an orthogonal projection of the first light-emitting layer onto the substrate. The light-emission compensation method includes: when normal display needs to be performed, controlling the first light-emitting layer or the second light-emitting layer of the light-emitting unit to emit light; and when compensated display needs to be performed, controlling the first light-emitting layer and/or the second light-emitting layer of the light-emitting unit to emit light in accordance with a predetermined compensated display mode.

Abstract: A manufacturing method for an array substrate, an array substrate, and a display apparatus. The manufacturing method comprises: step S100, providing a base substrate; step S200, forming a driving circuit layer on one side of the base substrate the driving circuit layer comprising a plurality of wires and a plurality of bonding pads; step S300, forming a removable protective layer on the side of the driving circuit layer away from the base substrate; and step S400, connecting functional devices to the bonding pads, the removable protective layer being decomposed and removed in step S400. Between step S200 and step S300, there are no steps of forming an inorganic protective layer and patterning the inorganic protective layer.

Abstract: A module structure, a touch module, a display module and a display apparatus are provided. The module structure includes: a substrate including a base substrate, wherein the base substrate includes a functional area and a bonding area on one side of the functional area; a plurality of bonding terminals are provided in the bonding area and arranged along a first direction and each bonding terminal extends along a second direction, and at least one floating terminal is provided in the bonding area and on at least one side of the plurality of bonding terminals in the first direction; the module structure further includes a flexible circuit board, including: a plurality of first connection terminals provided corresponding to the plurality of bonding terminals, and at least one second connection terminal provided corresponding to the at least one floating terminal.

Abstract: A display panel and a display method thereof, and a display apparatus are provided. The display panel includes multiple pixel units arranged in an array, a pixel unit including multiple sub-pixels, a sub-pixel including a pixel drive circuit and a light emitting element connected with the pixel drive circuit, the display panel further including an initial signal generator, the display panel including a low frequency driving mode and a normal driving mode, the low frequency driving mode including a refresh frame stage for writing data to the pixel unit and a hold frame stage for holding the data written to the pixel unit, the initial signal generator being configured to acquire a current display brightness value band and a pattern to be displayed in the low frequency driving mode; quantize the pattern to be displayed to get an average picture level; determine a corresponding anode reset voltage according to the current display brightness value band and the average picture level.

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: An oscillation frequency control method and system and a display device are provided. The oscillation frequency control system (3) is for a display device including a communication component (2) and a display driver component (1). The display driver component (3) includes at least one oscillator. The oscillation frequency control system (3) includes: an acquisition component (31) configured to acquire current operating information of the communication component (2); a determination component (32) configured to determine an oscillation operating frequency corresponding to each oscillator according to the current operating information; and a control component (33) configured to control each oscillator to operate at a corresponding oscillation operating frequency, wherein a frequency of a harmonic wave generated when each oscillator operates at the corresponding oscillation operating frequency falls outside a communication operating frequency band in which the communication component (2) currently operates.

Abstract: The present disclosure provides a driving method and a display apparatus, including: a display panel; a driving circuit electrically connected to the display panel, and the driving circuit is configured to control, in response to the fact that each of sub-pixels in a photosensitive area of the display panel is controlled to be in a non-light-emitting state in a light-emitting period during a preset display frame, each of photosensitive elements in the photosensitive area to collect a light intensity signal of incident light.

Abstract: A method for adjusting a gamma voltage of a display module is provided. The method includes: obtaining a gamma voltage of the display module at a basic refresh frequency; obtaining an associated relationship between the gamma voltage of the display module at the basic refresh frequency and a gamma voltage of the display module at a target refresh frequency; and determining the gamma voltage of the display module at the target refresh frequency based on the gamma voltage of the display module at the basic refresh frequency and the associated relationship.

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 circuit board includes a substrate, a first conductive layer, a first insulating layer and a second conductive layer. The first conductive layer includes a plurality of first conductive portions. The second conductive layer includes a plurality of second conductive portions. A second conductive portion passes through a first via hole in the first insulating layer to be in electrical contact with a first conductive portion. The first conductive layer and the second conductive layer each include at least one main conductive layer, which is capable of creating a first intermetallic compound with solder. At least one of the first conductive layer and the second conductive layer further includes a stop layer capable of creating a second intermetallic compound with the solder. A rate of a reaction between the stop layer and the solder is lower than a rate of a reaction between the main conductive layer and the solder.

Abstract: Provided is a display device. The display device includes a display panel and a circuit board. The display panel includes a display region and a non-display region. A first wiring is distributed in the non-display region. A second wiring is distributed in the circuit board. The circuit board is bonded to the non-display region, and the second wiring is connected to the first wiring to form a near-field communication antenna.

Abstract: A display device, a gamma voltage data group switching method and module. The display device includes a display-driver integrated circuit and a first storage unit. The display-driver integrated circuit includes a second storage unit, and the display device includes a gamma voltage data group switching module. The gamma voltage data group switching module is configured to pre-store, in the first storage unit, multiple groups of gamma voltage data groups respectively applied to various application scenarios; when switching of an application scenario of the display device, load a gamma voltage data group corresponding to the current application scenario and stored in the first storage unit into the second storage unit.

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 module structure, a touch module, a display module and a display apparatus are provided. The module structure includes: a substrate including a base substrate, wherein the base substrate includes a functional area and a bonding area on one side of the functional area; a plurality of bonding terminals are provided in the bonding area and arranged along a first direction and each bonding terminal extends along a second direction, and at least one floating terminal is provided in the bonding area and on at least one side of the plurality of bonding terminals in the first direction; the module structure further includes a flexible circuit board, including: a plurality of first connection terminals provided corresponding to the plurality of bonding terminals, and at least one second connection terminal provided corresponding to the at least one floating terminal.

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: The present disclosure provides a pulse width modulation method, a pulse width modulation module and a display device. A display panel includes a pixel circuitry configured to receive a light-emission control signal and control a light-emitting element to emit light under the control of the light-emission control signal, and a display period includes a refresh frame and a maintenance frame. The pulse width modulation method includes: increasing at least one active pulse width of the light-emission control signal within the refresh frame so that the at least one active pulse width of the light-emission control signal is larger than a first active pulse width threshold; and/or decreasing at least one active pulse width of the light-emission control signal within the maintenance frame so that the at least one active pulse width of the light-emission control signal is less than a second active pulse width threshold.

Abstract: Apparatuses and methods are described for detecting inclusions in glass. The apparatuses and methods employ a laser that is configured to project a laser sheet at a first angle from one side of a glass sheet, and a camera configured to capture images from a second angle from another side of the glass sheet. The glass sheet is moved thorough the laser sheet while the camera captures images. One or more processing devices execute image processing algorithms to identify areas of the glass sheet containing inclusions based on the captured images. In some examples, the identified areas of the glass sheet are revisited to confirm they contain inclusions.