MIANYANG BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.

The display panel comprises a display region and a bonding region, the bonding region comprises a display substrate and a first adhesive layer, a polarizing layer, a second adhesive layer and a cover plate layer arranged sequentially on a light exit side of the display substrate, the first adhesive layer and the polarizing layer are disposed in a lead region, a bending region and a composite circuit region in the bonding region, the cover plate layer is provided with a cover plate shield layer, at least one of the display substrate, the first adhesive layer and the polarizing layer is provided with a bonding shield layer, the distance between an edge of the bonding shield layer and the boundary of the display region is less than the distance between an edge of the cover plate shield layer and the boundary of the display region.

A pixel driving circuit, a driving method thereof and a display panel are provided. The pixel driving circuit includes a driving transistor, a capacitor having two terminals connected to a first power terminal and a gate electrode of the driving transistor, and a light emitting device. The pixel driving circuit includes: a reset module; a data writing module; a threshold compensation module including a compensation transistor configured to electrically connect second and gate electrodes of the driving transistor together in the data writing phase; a light emitting control module including a first gating transistor configured to electrically connect the second electrode of the driving transistor and the light emitting device in the reset phase and disconnect the second electrode from the light emitting device in the data writing phase. The compensation transistor and the first gating transistor are oxide transistors, and the driving transistor is a low-temperature polysilicon transistor.

Provided is a display panel. The display panel includes: a substrate, an insulating layer disposed on the substrate and provided with a patterned groove; and a first trace pattern and a second trace pattern, wherein the first trace pattern is disposed in the groove, the second trace pattern is disposed on the insulating layer, and the first trace pattern and the second trace pattern are patterns formed by fracture at an edge of the groove.

A display substrate has an active area and a frame region located at at least one side of the active area. The display substrate includes a substrate, pixel units, at least one blocking dam and a first encapsulation layer. The pixel units is disposed on the substrate and located in the active area. The at least one blocking dam is disposed on the substrate and located in the frame area. The at least one blocking dam is provided with at least one groove on a surface thereof facing away from the substrate, a depth direction of the at least one groove is perpendicular to the substrate, and an extending direction of the at least one groove is substantially the same as an extending direction of the blocking dam provided with the at least one groove. The first encapsulation layer covers the at least one blocking dam.

Provided is a display panel. The display panel includes a base substrate and a plurality of pixel circuits disposed on the base substrate. At least two pixel circuits in a same column are coupled with a same first initial power line, such that only a small quantity of signal lines need to be disposed on the base substrate.

A pixel circuit comprises a drive sub-circuit ( 101 ), writing sub-circuit ( 102 ), reset sub-circuit ( 103 ), voltage stabilizing sub-circuit ( 104 ), storage sub-circuit ( 105 ) and light emitting element. The drive sub-circuit is configured to provide a driving current to the light emitting element under control of signals of a first node (N 1 ) and a second node (N 2 ); the writing sub-circuit is configured to write a signal from a data signal terminal (Data) to N 2 under control of signal of a scan signal terminal (Gate); the storage sub-circuit is configured to store a voltage of N 1; the voltage stabilizing sub-circuit is configured to stabilize a voltage of an anode terminal of light emitting element through signal of a voltage stabilizing signal terminal (V 1 ); the reset sub-circuit is configured to reset anode terminal of light emitting element under control of signal of Gate and reset N 1 under control of signal of a reset control signal terminal (Reset).

The display base plate includes a substrate and first subpixels, second subpixels, third subpixels and a group of spacers which are located on the substrate; one of the first subpixels are at least located at vertexes of the first virtual polygon, one of the second subpixels are at least located inside the first virtual polygon, and one of the third subpixels are located inside the first virtual polygon; and the group of spacers is disposed inside the first virtual polygon, and the group of spacers includes at least one main spacer and a plurality of auxiliary spacers; wherein an area where the main spacer is located and an area where the second virtual quadrilateral is located at least partially overlap, and the second virtual quadrilateral is located within a central area of the first virtual polygon.

A display substrate includes a base substrate, a pixel circuit layer, a first planarization layer, at least one transparent conductive layer, and a plurality of first light-emitting elements. The base substrate includes a first display region and a second display region, wherein the first display region at least partially surrounds the second display region. The pixel circuit layer is located in the first display region, and includes a plurality of pixel circuits, wherein the plurality of pixel circuits include a plurality of first pixel circuits. A plurality of first light-emitting elements are located in the second display region. The first planarization layer is located on a side of the pixel circuit layer away from the base substrate, and is located in the first display region and the second display region. The transparent conductive layer is located on a side of the first planarization layer away from the base substrate and includes a plurality of first transparent conductive lines and at least one auxiliary structure. The plurality of first light-emitting elements and the plurality of first pixel circuits are coupled through the plurality of first transparent conductive lines. An orthographic projection of the auxiliary structure on the base substrate is overlapped with an orthographic projection of at least one of the pixel circuits on the base substrate.

A pixel driving circuit, a driving method thereof and a display panel are provided. The pixel driving circuit includes a driving transistor, a capacitor having two terminals connected to a first power terminal and a gate electrode of the driving transistor, and a light emitting device. The pixel driving circuit includes: a reset module; a data writing module; a threshold compensation module including a compensation transistor configured to electrically connect second and gate electrodes of the driving transistor together in the data writing phase; a light emitting control module including a first gating transistor configured to electrically connect the second electrode of the driving transistor and the light emitting device in the reset phase and disconnect the second electrode from the light emitting device in the data writing phase. The compensation transistor and the first gating transistor are oxide transistors, and the driving transistor is a low-temperature polysilicon transistor.

A display panel and a display device is provided in the present disclosure, which belongs to the field of display technologies. The display panel includes a base substrate and a plurality of pixel circuits disposed on the base substrate. At least two pixel circuits in a same column are coupled with a same first initial power line, such that only a small quantity of signal lines need to be disposed on the base substrate. Accordingly, an area which needs to be occupied by the signal lines and is of the base substrate becomes smaller, thereby facilitating high-resolution design of the display panel.