Abstract: The present disclosure provides a haptic rendering device, a method, a display device and a controller. The haptic rendering device includes: a substrate; a first driver arranged on the substrate and configured to vibrate and drive the substrate to vibrate after receiving a first driving signal; a vibration sensor arranged on the substrate and configured to generate a first detection voltage signal according to an amplitude or a frequency at which the first driver vibrates together with the substrate in a case where the substrate vibrates; and a controller configured to output the first driving signal to the first driver, receive the first detection voltage signal, and adjust the first driving signal according to the first detection voltage signal.

Abstract: The present disclosure relates to an image data classification method, device and system, and relates to the field of computer technology. The method includes: inputting test image data into a neural network model trained by using an original training sample set for classification, and determining an image type to which the test image data belongs and a membership probability of the image data belonging to the image type; establishing an easy-to-classify data set, according to test image data with a membership probability greater than a first threshold; adding test image data in the easy-to-classify data set that has a classification accuracy rate less than or equal to a second threshold and a correct classification result to the original training sample set to generate an augmented training sample set; and using the augmented training sample set to train the neural network model so as to determine an image class.

Abstract: An OLED display substrate includes a base substrate with a display region arranged thereon. First, second and third sub-pixels are arranged in the display region. A first electrode layer, a pixel defining layer, a second electrode layer, and organic functional layers are arranged in the display region. The organic functional layers include first, second and third light-emitting layers. The first light-emitting layer covers the display region and is an integral structure. The second and third light-emitting layers are arranged on a side of the first light-emitting layer towards the second electrode layer. An orthographic projection of each sub light-emitting layer of the second and third light-emitting layers on the base substrate completely covers an orthographic projection of an opening of the pixel defining layer on the base substrate, and does not overlap with orthographic projections of other openings of the pixel defining layer on the base substrate.

Abstract: Provided are an organic light emitting device and a display apparatus. The organic light emitting device includes an anode, a cathode, and an emitting layer disposed between the anode and the cathode, wherein the emitting layer includes a host material and a dopant material doped in the host material; the host material and the dopant material satisfy: |HOMODopant|<|HOMOHost|,|LUMODopant|<|LUMOHost|; wherein, HOMODopant is a highest occupied molecular orbit (HOMO) energy level of the dopant material, HOMOHost is a HOMO energy level of the host material, LUMODopant is a lowest unoccupied molecular orbital (LUMO) energy level of the dopant material, and LUMOHost is a LUMO energy level of the host material.

Abstract: A display panel includes a display substrate and a cover plate connected through an optical adhesive layer. The display substrate includes a plurality of light emitting elements, a pixel defining layer, and an encapsulation layer; the encapsulation layer includes a first inorganic encapsulation layer, a first organic encapsulation layer, and a second inorganic encapsulation layer; the display panel includes a display region and a frame region including a cutting region and a dam glue region where a dam glue is located; at least one of a plurality of cover plate alignment marks is between the dam glue and the display region and is overlapped with the second inorganic encapsulation layer, and at least one of the plurality of cover plate alignment marks is between the dam glue and the cutting region.

Abstract: There is provided a pixel driving circuit and method and a display panel. The pixel driving circuit includes a driving circuit, a control circuit, a voltage stabilization circuit, and a first storage circuit. The driving circuit is configured to provide a driving current to a third node according to a signal from a first node. The control circuit is configured to create conduction between second and fourth nodes in response to a signal from a first enable signal terminal, and create conduction between the first power supply terminal and the fourth node in response to the signal from the first enable signal terminal. The voltage stabilization circuit configured to transmit a signal from the reference voltage terminal to the fourth node in response to a signal from the second enable signal terminal. The first storage circuit configured to store electric charges of the first and fourth nodes.

Abstract: Provided is an array substrate, including: a display region including signal lines and a peripheral region including a bonding region; wherein the bonding region includes at least one row of signal line input terminals disposed on a first substrate, the signal line input terminals being electrically connected to the signal lines; and the signal line input terminal includes an etched conductive layer, at least the etched conductive layers in two adjacent signal line input terminals disposed in a same row being disposed on different layers.

Abstract: A pixel circuit, a display apparatus, and a driving method. The pixel circuit include: a driving circuit, a data writing circuit, a compensation circuit, a light emission control circuit, a first reset circuit, a second reset circuit, and a light-emitting element. The data writing circuit is for writing a data signal into the first terminal of the driving circuit based on a writing control signal; the first reset circuit is for applying a first reset voltage to the control terminal of the driving circuit based on a first reset control signal; and the second reset circuit is for applying a second reset voltage to a first electrode of the light-emitting element based on a second reset control signal. The writing control signal and the second reset control signal are synchronized in each write frame, and the writing control signal remains at an invalid level in each skip frame.

Abstract: A pixel circuit, a pixel drive method and a display device are provided. The pixel circuit includes an energy storage control circuit, an energy storage circuit, a first initialization circuit, a drive circuit, and a light-emitting element. The first initialization circuit writes a first initial voltage into a control terminal of the drive circuit under control of a first initialization control signal. The energy storage control circuit control a second end of the energy storage circuit to be connected to the first voltage terminal under control of an energy storage control signal in a refresh frame, and is configured to control the second end of the energy storage circuit to be disconnected from the first voltage terminal under control of the energy storage control signal in an initialization phase included in a hold frame and a data writing phase included in the hold frame.

Abstract: A remote operation control system includes a simulation device, a target device and a control device. The control device is coupled to the simulation device and the target device, and is configured to determine first position data and first attitude data of the simulation device when the simulation device moves to a set state, and control the target device to move to a same state as the set state based on the first position data and the first attitude data.

Abstract: The present disclosure provides a color correction method, including: in response to original color data of a pixel, converting the original color data into original color coordinates in an original color space; mapping the original color coordinates to a sampling point space to obtain a mapped point corresponding to the original color coordinates in the sampling point space, and determining, according to mapped coordinates of the mapped point, a plurality of reference point coordinates corresponding to the mapped coordinates; obtaining reference point addresses of the reference point coordinates, and simultaneously reading color data of the reference point coordinates according to the reference point addresses; and obtaining corrected color data of the pixel through an interpolation algorithm according to the color data of the reference point coordinates. The present disclosure further provides a Field Programmable Gate Array, a chip and a display device.

Abstract: A display module includes a flexible display panel and a bearing structure. The flexible display panel includes a display part and a fan-out part coupled to the display part. The bearing structure includes a first bearing film and a first supporting structure. The first bearing film is at a non-light-emitting side of the flexible display panel, covers the display part and the fan-out part, and is configured to bear the flexible display panel. The first supporting structure is at a side of the first bearing film away from the flexible display panel. An orthographic projection of the first supporting structure on the flexible display panel is within an area where the fan-out part is located and at one end away from the display part, and the first supporting structure supports a portion of the fan-out part of the flexible display panel and a portion of the first bearing film.

Abstract: An anti-glare apparatus includes a lens assembly having an incident side, the lens assembly including a layer of liquid crystal molecules, a first driving electrode and a second driving electrode respectively on both sides of the layer of the liquid crystal molecules, the first driving electrode or the second driving electrode including a plurality of sub-electrodes; a reflective layer on a side of the lens assembly opposite from the incident side; a camera, configured to acquire a human eye's position and acquire an intensity signal of incident light irradiating the incident side of the lens assembly; and a controller electrically connected to the first driving electrode, the second driving electrode, and the camera; where the controller is configured to adjust driving voltages of the sub-electrode based on the intensity signal of the incident light acquire by the camera to change the optical axis direction of the lens assembly.

Abstract: An embodiment of the present disclosure provides a display apparatus, including: a display panel and a functional substrate that is located on a light exit side of the display panel; the functional substrate includes: a transparent substrate configured to have a first total reflection angle; a specular reflection layer located on a side of the transparent substrate; and a holographic film layer located between the transparent substrate and the specular reflection layer and configured so that a part of incident light, of which the propagation direction faces towards the transparent substrate and the incident angle is within a first incident angle range, is diffracted and is emitted to the transparent substrate at a first exit angle, the first exit angle being greater than or equal to the first total reflection angle. Further provided are a preparation method for a display apparatus and a smart mirror.

Abstract: The present disclosure provides a display substrate, a preparation method thereof and a display apparatus. The display substrate includes a display region and an edge region located around the display region; the edge region includes a composite insulating layer disposed on a substrate, a power cord disposed on the composite insulating layer and an isolation dam disposed on the power cord, wherein the isolation dam is provided with auxiliary power cords. Both an auxiliary power cord of the isolation dam adjacent to the display region and an auxiliary power cord of the isolation dam away from the display region are lapped on the power cord.

Abstract: A display panel and a display device are provided. The display panel includes: a sub-pixel including a pixel circuit and a light-emitting element, the light-emitting element including a first electrode; a first insulating layer, the first electrode being connected with the pixel circuit through a first via hole penetrating the first insulating layer; a pixel definition layer including an opening; the first electrode includes a main body portion and a connecting portion, the main body portion is at least partially overlapped with the opening, the connecting portion is at least partially overlapped with the first via hole, a size of the connecting portion at the first via hole in a first direction is ? to ? of a size of the main body portion in the first direction.

Abstract: A flexible display panel, a flexible display device and a method of forming the flexible display panel are provided. The flexible display panel includes: a substrate; thin film transistors arranged in an array on the substrate; an electroluminescent device arranged on the thin film transistors and driven by the thin film transistors, including a pixel defining layer and an electroluminescent material defined by the pixel defining layer; a thin film encapsulation layer on the electroluminescent device; a quantum dot photoconversion layer on the thin film encapsulation layer, including an isolation portion and a quantum dot luminescent material surrounded by the isolation portion, where an orthographic projection of the isolation portion onto the substrate covers an orthographic projection of the pixel defining layer onto the substrate; and a cover plate arranged on the quantum dot photoconversion layer.

Abstract: A pixel unit includes: a first insulating layer; a first pixel electrode located on a first side of the first insulating layer and including a plurality of first electrode strips; a common electrode located on the first side of the first insulating layer and including a plurality of second electrode strips, the second electrode strips and the first electrode strips being sequentially and alternately arranged in a first direction, and slits each being disposed between a second electrode strip in the second electrode strips and a first electrode strip in the first electrode strips that are adjacent to each other; and a second pixel electrode located on a second side of the first insulating layer. The second side of the first insulating to layer is opposite to the first side of the first insulating layer. The second pixel electrode is overlapped with at least a region where the slits are located.

Abstract: The present disclosure provides an ultrasonic imaging method and apparatus. The apparatus includes an ultrasonic signal emission source and a receiving array including ultrasonic signal receiving circuits; the method includes: turning on the source to perform emission of ultrasonic waves toward an object to be detected and causing the ultrasonic waves to propagate through the object, a depth-wise direction of which is along a propagation direction of the ultrasonic waves; after a first predetermined time period having elapsed since the source was turned on, turning on the receiving array to receive reflected echoes returning from a first section plane of the object to be detected perpendicular to the depth-wise direction; thereafter, turning off the receiving array, storing the reflected echoes by the ultrasonic signal receiving circuits and acquiring reflected echo signals, and successively reading the reflected echo signals from the ultrasonic signal receiving circuits during a reading time period.

Abstract: The present disclosure relates to the field of display and, in particular, to a polarizing structure, a modular structure, and a manufacturing method thereof. The polarizing structure includes a support film having first and second bonding sides disposed oppositely in the thickness direction thereof, wherein the first bonding side can be bonded to the curved cover plate, and a polarizer bonded on the second bonding side of the support film. An outer contour of the orthographic projection of the support film on a reference plane is located outside the outer contour of the orthographic projection of the polarizer on the reference plane. The minimum distance between the outer contours of the orthographic projections of the support film and the polarizer on the reference plane may be, for example, greater than 0.5 mm. The reference plane is a plane perpendicular to the thickness direction.