Abstract: Provided are a display panel, a preparation method, and a display device. The display panel includes a plurality of first sub-pixels, a plurality of second sub-pixels, and a plurality of third sub-pixels. The plurality of third sub-pixels forms a first virtual trapezoid, and one of the plurality of first sub-pixels is located inside the first virtual trapezoid. The plurality of first sub-pixels and the plurality of second sub-pixels form a second virtual trapezoid, and one of the plurality of third sub-pixels is located inside the second virtual trapezoid. The first virtual trapezoid includes a first long side, a first oblique side, a first short side, and a second oblique side. The second virtual trapezoid includes a second long side, a third oblique side, a second short side, and a fourth oblique side.

Abstract: Provided are an organic compound and use thereof. The organic compound has a structure shown in Formula I. Through molecular structure design, the organic compound is endowed with suitable HOMO and LUMO energy levels, which is conducive to matching energy levels of compounds in adjacent layers and achieving efficient exciton recombination. The organic compound has small overlap of HOMO/LUMO energy level, high singlet energy level ES, high triplet energy level ET and small energy level difference ?EST, which is conducive to reverse intersystem crossing and achieving higher luminescence efficiency. The organic compound molecule has high stability and low stacking degree, which is conducive to reducing concentration quenching and has excellent thermal and film stability. The organic compound is suitable as TADF materials, which is use for OLED devices, conducive to preparing OLED devices, can improve luminescence efficiency and stability of devices, reduce turn-on voltage and extend lifetime of devices.

Abstract: A display panel and a display device are provided. The display panel includes: a display region and a non-display region at least partially surrounding the display region. The display region includes a plurality of sensor circuits. At least two sensor circuits in the plurality of sensor circuits include different types of transistors.

Abstract: A display module includes a display panel, a flexible printed circuit, a composite adhesive layer, and at least one conductive structure. The display panel includes a base substrate. The flexible printed circuit includes at least one first conductive region, and is electrically connected to the display panel. The composite adhesive layer is located at one side of the base substrate away from a light emission surface of the display panel. The composite adhesive layer includes at least one first through hole penetrating through the composite adhesive layer, and the conductive structure is at least partially located within the first through hole. Along a direction perpendicular to a plane where the base substrate is located, length of the composite adhesive layer is H1, and length of the conductive structure is H2, where H1?H2. The conductive structure is electrically connected to the first conductive region.

Abstract: A display panel and a display device are provided. The display panel includes a first display region, a first optical component region, and a second optical component region. The first optical component region and the second optical component region are arranged along a first direction. The first display region at least partially surrounds the first optical component region and the second optical component region. The first display region includes first signal lines extending along the first direction. Each of some first signal lines includes a first line segment and a second line segment. The first line segment and the second line segment are electrically connected through a first connection line; and at least a portion of line segments of the first connection line is arranged in layers different from the first line segment and the second line segment.

Abstract: A display panel and a display device are provided. A first display area of the display panel is located at two sides of a second display area, and a first data line in the first display area is electrically connected to a demultiplexing unit through a first connection line segment and a second connection line segment. The second connection line segment is located between the adjacent first sub-data line and second sub-data line in the second display area, and a distance between the second connection line segment and the first sub-data line is smaller than a distance between the second connection line segment and the second sub-data line. The control terminal of the switch element in the demultiplexing unit corresponding to the first data line is connected to a same switch control line as the control terminal of the switch element corresponding to the first sub-data line.

Abstract: A display panel includes a first display region and a second display region, the first display region and the second display region each include multiple subpixels which are arranged in an array, and each subpixel includes a pixel driver circuit. The second display region corresponds to a photosensitive element. Each pixel driver circuit located in the second display region includes at least one transistor, and at least one transistor of the at least one transistor is a low-temperature polycrystalline oxide thin-film transistor.

Abstract: A display panel, a detection method of a display panel, and a display device are provided. The display panel includes a display region and a non-display region surrounding the display region. The display region includes a plurality of sub-pixels and at least one first detection line. At least one sub-pixel of the plurality of sub-pixels includes at least one to-be-tested device, and the at least one to-be-tested device is electrically connected to the at least one first detection line. The non-display region includes at least one detection pad, and a detection pad of the at least one detection pad is electrically connected to a first detection line of the at least one first detection line.

Abstract: Provided are a display panel and a display device. The display panel includes a first display region and a second display region, where the second display region surrounds at least part of the first display region. The display panel includes a light-emitting layer and an optical filter layer, where the light-emitting layer includes multiple light-emitting units, the optical filter layer includes multiple optical filter structures, and the multiple light-emitting units are arranged corresponding to the multiple optical filter structures. The multiple optical filter structures include a first optical filter structure located in the first display region and a second optical filter structure located in the second display region, where the first optical filter structure includes a first color resist unit, and the second optical filter structure includes a second color resist unit.

Abstract: A display panel, a display device, and an evaporation device are provided. The display panel includes a plurality of pixel units arranged in an array. Each pixel unit includes four first sub-pixels, two second sub-pixels, and two third sub-pixels. Centers of the two second sub-pixels and centers of the two third sub-pixels form a virtual isosceles trapezoid. The two second sub-pixels are located on both ends of a diagonal of the virtual isosceles trapezoid, and the two third sub-pixels are located on both ends of another diagonal of the virtual isosceles trapezoid. Centers of the four first sub-pixels form a virtual quadrilateral. An interior of the virtual quadrilateral includes one second sub-pixel of the two second sub-pixels, and an interior of the virtual isosceles trapezoid includes one first sub-pixel of the four first sub-pixels.

Abstract: A pixel circuit includes a first switching transistor between a gate and a drain of a driving transistor, a second switching transistor, and an auxiliary capacitor connected to the second switching transistor. The second switching transistor transfers a data signal voltage from a data line to a storage capacitor through the driving transistor and the first switching transistor. The auxiliary capacitor retains the auxiliary charges depending on the data signal voltage from the data line during a first period where the second and first switching transistors are ON. The auxiliary charges are transfer from the auxiliary capacitor to the storage capacitor through the first switching transistor and the driving transistor during the second period where the second switching transistor is OFF and the first switching transistor is ON. Capacitance of the auxiliary capacitor is equal to or larger than ½ of capacitance of the storage capacitor.

Abstract: The present disclosure discloses a display panel, a driving circuit and a display device. The display panel includes a pixel circuit and a light-emitting element. A data writing cycle of the pixel circuit includes a data writing phase and m holding phases. In the data writing phase, the first scan signal includes at least one first valid pulse. A light emission control signal includes one second valid pulse in the data writing phase and in each holding phase. The working modes of the display panel includes a first mode. In the first mode, the interval between the start time of the first valid pulse in the (i+1)-th data writing cycle and the end time of the last second valid pulse in the i-th data writing cycle is t1, and in the data writing phase, the duration of the light emission control signal being an invalid pulse is t2, t ? 1 t ? 2 ? 1 ? % , m ? 1 , i ? 1 , and m and i are integers.

Abstract: A mask module includes a framework, a first strip plate fixed on the framework and extending along a first direction, and a first mask. The first mask is located on a side, deviating from the framework, of the first strip plate. The first mask includes at least one preset area, and the preset area includes at least one opening area. The first strip plate is provided with a first concave-convex structure on one side edge along the first direction. At least one convex structure is provided in a middle of the first concave-convex structure along the first direction. In a direction perpendicular to a surface of the first mask, the first concave-convex structure and the convex structure cover at least a part of area of the at least one opening of the preset area. The convex structure and the first strip plate are integrally formed.

Abstract: A display panel and a display device are provided. The touch layer of the display panel includes first touch units including first touch electrodes and second touch units including second touch electrodes. At least two mounting holes are provided in the touch area, and the auxiliary electrodes in the touch layer include a first auxiliary electrode located between the two mounting holes. At least one first touch unit is cut off by the mounting holes. At least one first auxiliary electrode is connected to at least one of two first touch units adjacent to the first touch unit in a second direction. Or at least one second touch unit is cut off by the mounting holes, and at least one first auxiliary electrode is connected to at least one of two second touch units adjacent to the second touch unit.

Abstract: Provided are a display panel and a display device. The display panel includes a display region and light-emitting elements. The display region includes a first display region and an optical component region. The light-emitting elements include first light-emitting elements and second light-emitting elements, where the first light-emitting elements are located in the first display region, and the second light-emitting elements are located in the optical component region. The first display region includes multiple pixel drive unit columns arranged along a first direction, the multiple pixel drive unit columns include a first pixel drive unit column, the first pixel drive unit column includes multiple first pixel driving circuits, and one of the multiple first pixel driving circuits is electrically connected to one of the second light-emitting elements.

Abstract: A simulation method includes a process of calculating a transient charge density qT of trapped charges after applying a voltage between a gate electrode and a semiconductor layer of a transistor, the charge density qT being calculated with a time variance of the charge density qT being expressed by a function obtained by superimposing multiple exponential functions having mutually different time constants.

Abstract: The display panel includes pixel groups including multiple sub-pixels; and driving signal lines. One driving signal line corresponds to at least one pixel group of the pixel groups, and multiple driving signal lines sequentially output a charging enabling level to drive corresponding pixel groups. The sub-pixel includes a first color sub-pixel that includes a first sub-pixel and a second sub-pixel. The first and second sub-pixels are arranged along an arrangement direction of the pixel group, and the second sub-pixel and the first sub-pixel are spaced by other first color sub-pixels whose number is not greater than a preset number. In a first mode, the display panel receives a noise signal, and a phase difference between charging enabling levels provided by the driving signal lines corresponding to the first sub-pixel and the second sub-pixel is non-integer times a noise cycle.

Abstract: A display panel and a display device are provided. The display panel has a display region and a non-display region. The display panel includes: a substrate; a driving array layer including first pixel circuits in the non-display region and second pixel circuits in the display region; a light-emitting device layer including first light-emitting devices in the non-display region and second light-emitting devices in the display region; and a photosensitive device assembly including first photosensitive devices and second photosensitive devices in the driving array layer. The first light-emitting devices are electrically connected with the first pixel circuits and the second light-emitting devices are electrically connected with the second pixel circuits.

Abstract: A display device includes a substrate and a plurality of pixels on the substrate. Each of a plurality of pixels includes a light-emitting element and a pixel circuit that controls an amount of light-emitting current to the light-emitting element. The pixel circuit includes a driving transistor having a first conductive type, a first switching transistor having a second conductive type. The first switching connector connects or disconnects between a gate and a drain of the driving transistor. The pixel circuit includes a second switching transistor having a second conductive type that supplies a reset voltage to the gate of the driving transistor, a storage capacitor including a gate electrode of the driving transistor, an interlayer insulating layer covering the gate electrode of the driving transistor and an intermediate conductive layer disposed on the interlayer insulating layer.

Abstract: A display panel and a display apparatus are provided. The display panel includes pixel circuits, light-emitting device electrically connected to the pixel circuits, signal lines electrically connected to the pixel circuits and including signal transmitting lines each extending along a first direction, and a first connection portion located in a circuit region and each extending along a second direction. At least one pixel circuit group is disposed in the circuit region, each pixel circuit group includes at least two pixel circuits of the pixel circuits, and the at least two pixel circuits are arranged along the second direction intersecting the first direction. The at least two pixel circuits in one of the at least one pixel circuit group are electrically connected to one of the signal transmitting lines through the first connection portion.