Chengdu BOE Optoelectronics Technology Patente

A display substrate and a display device. The display substrate comprises a substrate base, and a conductive structure and a first inorganic layer which are located on the substrate base. The substrate base comprises a first area and a second area; the conductive structure is located in the first area and the second area; the first inorganic layer is located on the side of the conductive structure away from the substrate base and is located in the first area and the second area. In at least part of the first area, an insulating layer is provided between the first inorganic layer and the conductive structure, and in at least part of the second area, the first inorganic layer is in contact with the surface of the conductive structure. In the display substrate provided in the present disclosure, the first inorganic layer is provided in both the first area and the second area, and in the second area, the first inorganic layer is in direct contact with the surface of the conductive structure, thereby implementing protection of the conductive structure by the first inorganic layer and preventing defects caused by etching of the conductive structure due to exposure.

A display panel and a display device. In the display panel, a first isolation structure (601) is located between adjacent sub-pixels of a plurality of sub-pixels (SP), the first isolation structure (601) being configured to partition at least one of a plurality of film layers of a light-emitting functional layer (FL); the first isolation structure (601) comprises a first isolation portion (PT1) and a second isolation portion (PT2), the first isolation portion (PT1) being located in a first organic insulating layer (Y1), and the second isolation portion (PT2) being located in an inorganic insulating layer (Y0); the inorganic insulating layer has a plurality of through holes (H0) located in a peripheral area (R2); a second organic insulating layer (Y2) is in contact with the first organic insulating layer (Y1) via the plurality of through holes (H0). Therefore, the risk of easy stripping caused by the contact between the inorganic insulating layer and the organic insulating layers is avoided, and the contact reliability is improved, which facilitates the air removal of the organic insulating layer below the inorganic insulating layer, and improves the process reliability.

The present disclosure relates to a display panel and a display device, and relates to the field of display technology. The display panel includes a driving backplane and a light-emitting device; the driving backplane has a pixel circuit located in a display area and a peripheral circuit located in a peripheral area, and the peripheral circuit includes a plurality of cascaded shift registers; a shift register is configured to scan at least one row of pixel circuits; the pixel circuit and the shift register both include a plurality of transistors; the transistors of the pixel circuit include a driving transistor, and the driving transistor and at least some of the other transistors are metal oxide transistors; the transistors in the shift register are polysilicon transistors; the light-emitting device is arranged on one side of the driving backplane; the light-emitting device includes a first electrode, a light-emitting layer, and a second electrode stacked in sequence in a direction away from the driving backplane; the first electrode of the driving transistor is connected to the first electrode of the light-emitting device, the second electrode is connected to the first power line transmitting the first power signal, and the second electrode of the light-emitting device is configured to receive the second power signal.

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A display substrate and a display device are provided. The display substrate includes a first light emitting control signal line, a second light emitting control signal line and a plurality of sub-pixels; the sub-pixel includes a sub-pixel driving circuit and a light emitting element, the sub-pixel driving circuit includes a driving transistor, a power control transistor and a light emitting control transistor; a gate electrode of the power control transistor is coupled to a corresponding first light emitting control signal line, a first electrode of the power control transistor is coupled to a corresponding power line, and a second electrode of the power control transistor is coupled to a first electrode of the driving transistor, a gate electrode of the light emitting control transistor is coupled to a corresponding second light emitting control signal line, and a first electrode of the light emitting control transistor is connected to a second electrode of the driving transistor, and a second electrode of the light emitting control transistor is coupled to the light emitting element; an orthographic projection of the first light emitting control signal line on the base substrate and an orthographic projection of the second light emitting control signal line on the base substrate are arranged along a second direction.

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A display substrate and a display device are provided. The display substrate includes a base substrate, and a plurality of subpixels and a plurality of data lines arranged on the base substrate. The subpixel includes a subpixel driving circuit and a light-emitting element coupled to each other. A plurality of subpixel driving circuits included in the plurality of subpixels includes a plurality of driving circuit columns, the driving circuit column includes a plurality of subpixel driving circuits arranged in a first direction, the plurality of driving circuit columns includes a plurality of column units, and the column unit includes at least two adjacent driving circuit columns. The data line coupled to the subpixel driving circuits in the column unit are arranged at a first side and/or a second side of the column unit, the first side is opposite to the second side in a second direction intersecting the first direction.

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The present disclosure relates to a display panel. The display panel comprises a partition unit. An encapsulation layer is arranged on the side, away from a substrate, of the partition unit. The encapsulation layer comprises a first connecting part. A first blocking part is arranged on the side, away from the substrate, of the encapsulation layer, and in the width direction of the first blocking part, the orthographic projection of the first blocking part on the encapsulation layer covers the first connecting part, so as to prevent water vapor from entering from the covered position of the first connecting part. The path of water and oxygen invading from the first connecting part can be blocked and prolonged, corrosion of a light-emitting material layer is slowed down or prevented, the encapsulation effect of the display panel is improved, and normal display of the display panel is guaranteed. The present disclosure further provides a display apparatus comprising the display panel.

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