A display apparatus includes: a substrate; a first semiconductor layer disposed over the substrate; a first insulating layer disposed on the first semiconductor layer; a second insulating layer disposed on the first insulating layer; a first oxide material layer disposed between the substrate and the second insulating layer; and a first conductive layer disposed on the second insulating layer and electrically connected to the first semiconductor layer through a first contact hole defined in the first insulating layer, the second insulating layer, and the first oxide material layer.

The present application provides a display panel, a manufacturing method for a display panel, and a display apparatus. The display panel includes an array substrate including a planarization layer, the planarization layer being provided with a groove; a pixel definition layer (PDL) arranged on the planarization layer and filling the groove, the PDL being provided with a pixel opening; and an anode arranged between the planarization layer and the PDL, an end of the anode being placed in the groove, and a middle portion of the anode being exposed in the pixel opening.

The circular polarizer may be omitted from a display to increase efficiency. A polarizer-free display may use other non-polarizer techniques to mitigate reflections of ambient light and mitigate diffraction reflection artifacts. The polarizer-free display may include a black pixel definition layer that absorbs ambient light. Color filter elements may be included in a black matrix to mitigate ambient light reflections. An intra-anode phase shift layer and/or an inter-anode phase shift layer may be included in the display to mitigate diffractive reflection artifacts. Multiple sub-pixels of the same color may be used in a single pixel to ensure a neutral reflection color. The display may include a cathode layer that is patterned to have openings over the black pixel definition layer to mitigate reflections. The display may include diffusive particles (in the color filter element or in a separate diffuser layer) to mitigate diffractive reflection artifacts.

A light-transmitting display module. The light-transmitting display module includes: a substrate; a pixel definition layer, located on the substrate and including an isolation structure and at least one pixel opening encircled by the isolation structure; a nucleation inhibiting layer, located on a side of the pixel definition layer facing away from the substrate and including a plurality of inhibiting units, a first orthographic projection of the inhibiting unit on the pixel definition layer covering at least a part of the isolation structure, and at least a part of the inhibiting units being spaced apart from one another; a first common electrode, located on the side of the pixel definition layer facing away from the substrate, a second orthographic projection of the first common electrode on the pixel definition layer covering at least a part of an area other than the first orthographic projection.

A display panel, a method for manufacturing a display panel, and a display device. The display panel includes: a substrate; and a pixel definition layer located on the substrate. The pixel definition layer includes isolation structures and pixel openings; and a nucleation inhibiting layer including first inhibiting units. A first orthographic projection of each of the first inhibiting units on the pixel definition layer covers corresponding one of the pixel openings in the transitional display area; and common electrodes including a first common electrode and a second common electrode, a second orthographic projection of the first common electrode on the pixel definition layer covers the first display area and at least part of an area except for the first orthographic projections in the transitional display area.

The present invention provides a silicon-based micro display screen and method for manufacturing the same. The method includes following steps: providing a silicon substrate, defining a number of sub-pixel regions on the silicon substrate, and sequentially and respectively preparing an anode layer, an OLED layer, a cathode layer and a first protective layer in each sub-pixel region on the silicon substrate; plasma bombarding and removing the exposed OLED layer; forming a second protective layer on sides of the etched cathode layer, the protective layer and the OLED layer; sequentially performing other sub-pixels; and processing and forming a silicon-based micro-display screen based on the results of the above steps. In present invention, the etching and coating processes are carried out in a vacuum environment to prevent the OLED layer from being invaded by water vapor and oxygen, and prolong the service life of the silicon-based micro display screen.

An OLED display panel and an OLED display device are provided. The OLED display panel comprises: a substrate comprising a display area and a non-display area; a pixel driving circuit disposed on the display area, wherein the pixel driving circuit comprises a reset signal input end and a cathode signal input end; and a cathode signal trace arranged on the non-display area, wherein the cathode signal trace is electrically connected to both the reset signal input end and the cathode signal input end.

An organic light-emitting diode display panel is disclosed. By using four display panels sequentially disposed in a stack arrangement from top to bottom, light emitted in a same direction from each of the display panels, and subpixels of the four display panels not overlapping one another, a screen resolution of the organic light-emitting diode display panel can increase by three times without increasing pixel density of masks or density of array layers.

The present disclosure provides a display panel and a manufacturing method thereof, and a display device. The display panel includes a base substrate, a light shielding layer and a pixel definition layer which are provided on the base substrate in turn; the light shielding layer includes an imaging pinhole; the display panel further includes a plurality of fingerprint recognition sensors arranged in an array, the fingerprint recognition sensors are provided on the base substrate; the light shielding layer is provided on a light incoming side of the fingerprint recognition sensors; a minimum distance between the imaging pinhole and the organic light emitting layer in the red sub-pixel is less than a minimum distance between the imaging pinhole and the organic light emitting layer in the green sub-pixel and is also less than a minimum distance between the imaging pinhole and the organic light emitting layer in the blue sub-pixel.

A display panel has a display area including a light-transmissive area. The display panel includes a substrate, and a plurality of shielding patterns, a plurality of light-emitting layers and a plurality of cathodes that are disposed in the light-transmissive area and on the substrate. Orthogonal projections of the plurality of shielding patterns on the substrate are separated from each other. Each light-emitting layer and a respective cathode constitute a portion of a light-emitting device. The light-emitting device has an active light-emitting area. An orthogonal projection of the active light-emitting area on the substrate is located within an orthogonal projection of a cathode of the light-emitting device on the substrate. The plurality of cathode is located at a side of a respective shielding patterns away from the substrate. An orthogonal projection of the shielding pattern on the substrate covers the orthogonal projection of the cathode on the substrate.