The, present disclosure relates to a method of fabricating a display panel. The method may include: forming a separation layer having first openings on a surface of the substrate; forming a flexible substrate layer covering the separation layer and the first openings; forming a TFT layer having second openings on a surface of the flexible substrate layer opposite from the substrate; removing a part of the flexible substrate layer that is underneath the second openings; forming a PDL layer covering the TFT layer, side walls of the third openings, and a part of the separation layer in the third openings, thereby forming fourth openings having a fourth width larger than the first width; forming an encapsulation layer covering the PDL layer and the fourth openings; and separating the flexible substrate layer from the substrate.

A semiconductor device includes an insulating substrate, a first semiconductor region configured of polysilicon formed on the insulating substrate, an insulating film laminated on the first semiconductor region, a contact hole formed in the insulating film and reaching the first semiconductor region, a second semiconductor region configured of an oxide semiconductor formed on the insulating film, a contact electrode configured of a conductive material and electrically connected to the first semiconductor region, where the conductive material is embedded in the contact hole. The insulating film contains a metallic element at an interface with the contact hole, where the metallic element forms the oxide semiconductor.

A display panel includes a substrate and a plurality of photosensitive elements on the substrate, wherein at least a portion of the photosensitive elements are provided with corresponding light-adjusting structures; the light-adjusting structure is on a side of the photosensitive element away from the substrate, and is configured to adjust a propagation direction of incident light reflected by a print and incident on the light-adjusting structure, and to output formed emergent light to the photosensitive element corresponding to the light-adjusting structure, and an included angle between the propagation direction of the formed emergent light and the plane, where the substrate is located, is greater than an included angle between the propagation direction of the incident light and the plane where the substrate is located; and the photosensitive element is configured to generate a corresponding electrical signal according to the received light, to identify an image of the print.

A display substrate, a manufacturing method thereof and a display device. In a plane parallel to the display substrate, the display substrate includes a plurality of sub-pixels, at least one sub-pixel includes a pixel driving circuit and a light emitting device connected to the pixel driving circuit, the pixel driving circuit at least includes a storage capacitor, a driving transistor and at least one switching transistor; in a plane perpendicular to the display substrate, the display substrate includes a semiconductor layer and a plurality of conductive layers; and a gate electrode of the driving transistor and a gate electrode of the at least one switching transistor are arranged on different conductive layers respectively.

A display panel includes: a first substrate; and a pad including a first conductive layer and a first coupling part. The first conductive layer is disposed on the first substrate, and the first coupling part includes a first pattern protruding from the first conductive layer and having a bent shape.

A display device may include a substrate including a display area and a non-display area; and a plurality of pixels disposed in the display area, the plurality of pixels each including an emission area and a non-emission area. Each of the plurality of pixels may include at least one light emitting element in the emission area; a first pixel electrode and a second pixel electrode electrically connected to the at least one light emitting element; a bank including a first opening corresponding to the emission area; a color conversion layer disposed in the emission area to correspond to the at least one light emitting element; a barrier layer disposed on the bank and the color conversion layer; and a low refractive layer disposed on the barrier layer. The barrier layer may include silicon oxide (SiO.sub.x) having cured polysilazane.

A display device, an electronic device, or a lighting device that is unlikely to be broken is provided. A flexible first substrate and a flexible second substrate overlap with each other with a display element provided therebetween. A flexible third substrate is bonded on the outer surface of the first substrate, and a flexible fourth substrate is bonded on the outer surface of the second substrate. The third substrate is formed using a material softer than the first substrate, and the fourth substrate is formed using a material softer than the second substrate.

The present invention provides a mask, a display panel, a method for manufacturing a display panel, and a display device. The display panel has a hollow region and a display region surrounding the hollow region. The display panel includes a plurality of organic light-emitting devices arranged only in the display region. Each of the plurality of organic light-emitting devices includes an anode layer, a cathode layer, a light-emitting layer and a functional layer. The functional layer includes a plurality of uneven portions.

The disclosure provides an array substrate, a manufacturing method of the array substrate and a display device. The array substrate provided by the embodiment of the present disclosure includes sub-pixel units with multiple light-emitting colors; each sub-pixel unit includes a resonant cavity formed by a reflective layer and a cathode which are oppositely arranged, and the resonant cavity further includes: an anode positioned between the reflective layer and the cathode, and a light-emitting function layer positioned between the anode and the cathode; lengths of resonant cavities of the sub-pixel units with a same one of the light-emitting colors are the same, and lengths of resonant cavities of the sub-pixel units with different light-emitting colors are different; thicknesses of anodes of the sub-pixel units with different light-emitting colors are the same, thicknesses of light-emitting function layers of the sub-pixel units with different light-emitting colors are the same.

The present disclosure relates to an OLED display substrate including a base substrate, a thin film transistor array layer and a planarization layer on the base substrate, and an anode, a pixel definition layer, a cathode, and a light emitting layer on a side of the planarization layer away from the base substrate, the pixel definition layer defining pixel regions, the light emitting layer being located on a side of the pixel definition layer away from the base substrate. The display substrate further includes a light guide that is in contact with the light emitting layer and is used to lead out light from the light emitting layer, so as to test the led-out light and adjust light emission.