A display panel includes a light-emitting device on a substrate and an encapsulation structure on a light output surface on one side of the light-emitting device. The encapsulation structure includes a first inorganic layer and a fluoro-polymeric layer. Ductility and bending resistance of the fluoro-polymeric layer are greater than those of the first inorganic layer. Defects between the fluoro-polymeric layer and the first inorganic layer are fewer than those between the first inorganic layer and another layer.

The present invention provides a display panel including a through-hole, a non-display area surrounding the through-hole and a display area; the non-display area includes a substrate, an organic film layer structure, an inorganic film layer structure and a light-emitting functional layer; the organic film layer structure includes a plurality of organic thin film layers; the inorganic film layer structure includes at least one annular first through-groove surrounding the through-hole; the organic film layer structure includes at least one annular second through-groove surrounding the through-hole; the first through-grooves correspond to the second through-grooves by way of one to one, respectively; the width of the first through-groove is smaller than the width of the second through-groove at the organic thin film layer that is in contact with the inorganic film layer structure in the organic film layer structure; the light-emitting functional layer is disconnected at the first through-grooves.

A method of manufacturing a display apparatus includes forming a thin-film transistor on a substrate and forming a planarization layer to cover the thin-film transistor, forming, on the planarization layer, a pixel electrode electrically connected to the thin-film transistor and a pixel defining layer exposing at least a center portion of the pixel electrode, and defining at least one groove having a closed curve shape at a location corresponding to a second non-display area. When the thin-film transistor is formed, a voltage line is also formed at a location corresponding to a first non-display area. When the at least one groove is formed, a portion of the planarization layer disposed between the pad area and the display area is simultaneously removed such that a portion of the voltage line between the pad area and the display area is exposed.

A display panel having a hole running through the display panel includes: a base substrate; a plurality of light-emitting devices, organic light-emitting functional layers of the light-emitting devices extending to an edge region; an isolation spacer located on the base substrate within the edge region and which are annular structures that surround the hole, the organic light-emitting functional layers are interrupted at the isolation spacer; and an encapsulation layer covering the plurality of light-emitting devices. An inorganic layer in the encapsulation layer extends to the edge region and covers the isolation spacer and the organic light-emitting functional layers. The isolation spacer includes: an inner layer structure and an outer layer structure. The side of the inner layer structure away from the base substrate is provided with a groove-shaped structure, and the outer layer structure includes a through hole.

A method for operating a photovoltaic module in which the photovoltaic module has at least one perovskite solar cell. The method includes temporarily operating the photovoltaic module at the maximum power point by a control device connected to the photovoltaic module, wherein the drawing of electrical energy is interrupted when the irradiance of electromagnetic radiation impinging on the photovoltaic module falls below a predetermined threshold value. A photovoltaic device includes a photovoltaic module having at least one perovskite solar cell, and a control device connected to the photovoltaic module.

A display substrate, a preparation method therefor, and a display apparatus. The display substrate comprises: a plurality of pixel island areas that are separated from one another, a plurality of hole areas, and a connection bridge area that connects the plurality of pixel island areas. The hole areas each comprise a base substrate and an encapsulation layer, the base substrate is provided with an aperture, a barrier structure is provided on the side of the base substrate close to the aperture, and the encapsulation layer covers the side of the base substrate close to the aperture.

The present application provides display panels, transparent display panels and manufacturing methods therefor. A transparent display panel includes a light transmitting substrate, pixel structures, second electrode connecting portions, and a nano-material layer. A display region of the light transmitting substrate includes alternately distributed pixel regions and non-pixel regions. The pixel structures are located in the pixel regions, each including: a first electrode close to the light transmitting substrate, a second electrode away from the light transmitting substrate, and a light emitting block between the first electrode and the second electrode. The second electrode connecting portions are located in the non-pixel regions, and connect adjacent second electrodes, and one or more materials for the second electrode connecting portions are the same as the one or more materials for the second electrodes, both including transflective materials. The nano-material layer includes a plurality of nano-island structures separated from each other, and is located at least on a side of the second electrode connecting portions away from the light transmitting substrate, and is configured to excite surface plasma polaritons corresponding to infrared light and scatter the infrared light.

A display panel includes a substrate, at least two repeating units, and a light-shielding layer. Each repeating unit includes a plurality of sub-pixels including a first color sub-pixel and a second color sub-pixel. As a viewing angle increases, a luminance decay rate of the first color sub-pixel is greater than a luminance decay rate of the second color sub-pixel. The light-shielding layer includes a plurality of opening portions including first opening portions respectively corresponding to first color sub-pixels and second opening portions respectively corresponding to second color sub-pixels. Along a first direction, a difference between a length of a first opening portion and a length of a portion of the first color sub-pixel exposed from the first opening portion is greater than a difference between a length of a second opening portion and a length of a portion of the second color sub-pixel exposed from the second opening portion.

Disclosed are a display substrate, a preparation method therefor, and a display device. The display substrate includes a display region and a binding region on one side of the display region. The binding region includes a binding structure layer disposed on a base. The binding structure layer includes a composite insulating layer disposed on the base. The binding region further includes a step structure formed by the base and the composite insulating layer. Heights of steps in the step structure decrease sequentially in the direction away from the display region. In the step structure, the base forms a first step having the smallest height. The binding structure layer further includes a signal connection wire having at least a portion thereof the disposed on the step structure and located on the first step. An opening exposing the signal connection wire is provided on the base at the first step.

The present invention relates to a method for manufacturing a flexible photo-patterned mask. The method includes a) coating a photoresist composition on a substrate to form a photoresist film, b) exposing the photoresist film to pattern the photoresist film, c) developing the patterned photoresist film, and d) curing the developed photoresist film to form a patterned layer having a plurality of tapered openings.