A display panel and a display device are disclosed. The display panel includes a substrate, multiple light-emitting elements respectively disposed corresponding to multiple opening areas, multiple pixel defining layers respectively disposed corresponding to non-opening areas, an encapsulation layer used to cover the light-emitting elements and pixel defining layers, a color filter layer disposed on the encapsulation layer, and an electrically controlled switching layer disposed on the side of the light-emitting elements adjacent to the substrate. The electrically controlled switching layer includes multiple double-sided flipping balls. Each double-sided flipping ball includes a black light-absorbing layer at a first side, and a reflective layer at a second side. Each double-sided flipping ball has a first state in which the respective light-absorbing layer is disposed to face toward the respective light-emitting element, and a second state in which the respective reflective layer is disposed to face toward the respective light-emitting element.

A first semiconductor element according to an embodiment of the present disclosure includes: a first electrode; a second electrode disposed to be opposed to the first electrode; and an organic layer provided between the first electrode and the second electrode, and including a light-emitting layer, the light-emitting layer including at least one kind of a heteroacene derivative having, in a molecule, one skeleton represented by a general formula (1) or a general formula (2).

Provided is a display panel, which relates to the field of display technology. The display panel includes: a base substrate, having a display region and a peripheral region around the display region; a pixel circuit layer, disposed on a side of the base substrate and in the display region; a pixel defining layer, disposed on a side of the pixel circuit layer away from the base substrate, wherein the pixel defining layer is provided with a plurality of pixel openings; a plurality of electroluminescent layers, disposed in the plurality of pixel openings; a first electrode layer, disposed on a side of the plurality of electroluminescent layers away from the base substrate; and an auxiliary electrode structure and a light-transmissive electrode patterning structure, wherein the auxiliary electrode structure and the electrode patterning structure are disposed on a side of the first electrode layer away from the base substrate.

An electronic device includes a base substrate, power lines, a pixel unit including pixels, each of the pixels including a light emitting element, contact electrodes, each of the contact electrodes surrounding the light emitting element and located in the non-light emitting region, an interlayer insulating layer between the power lines and the contact electrodes, and an inter-insulating layer including grooves overlapping the non-light emitting region and located on the interlayer insulating layer, each of the grooves exposing at least a portion of the contact electrode wherein the second electrode is connected to the contact electrode in a region overlapping the groove, and the contact electrode is connected to the power line through a contact-hole passing through the interlayer insulating layer.

A display screen and a method for display control are provided in the disclosure. The display screen includes an emissive display assembly, a reflective liquid crystal display assembly, and a controller. The controller is configured to acquire a brightness value of current ambient light, and according to a variation in the brightness value of the ambient light, control the emissive display assembly to work to emit light for display, and/or control the reflective liquid crystal display assembly to work to use the ambient light for display.

A pixel structure, a display panel, and a display device. The pixel structure includes multiple subpixel units, multiple reflective layers, a refractive component, and a control component; the multiple subpixel units and multiple reflective layers are arranged in a ring-shaped configuration, and the refractive component includes a first refractive layer, a second refractive layer, and a third refractive layer stacked in sequence. The second refractive layer is overlapped with the subpixel units, while the first refractive layer and the third refractive layer are misaligned with the subpixel units, such that light from the subpixel units is directed only into the second refractive layer. The control component is configured to adjust the refractive index of the second refractive layer, causing light within the second refractive layer to undergo total internal reflection or to exit from at least one of the first refractive layer and the third refractive layer.

Display panels and display devices are provided. The display panel includes a first display area having a high light transmittance and a second display area having a low light transmittance. A light-emitting layer of the display panel includes first subpixels and second subpixels. In the first display area and the second display area having the same area, a number of the first subpixels located in the first display area is less than a number of the first subpixels located in the second display area, and a number of the second subpixels located in the first display area is equal to a number of the second subpixels located in the second display area.

A light emitting element includes a light emitting array, a plurality of cladding layers and an insulating photosensitive material layer. The light emitting array includes a first organic light emitting unit and a second organic light emitting unit. The first organic light emitting unit includes a first electrode, and the second organic light emitting unit includes a second electrode. The plurality of cladding layers includes a first cladding layer and a second cladding layer, wherein the first cladding layer covers a portion of an upper surface and a sidewall of the first electrode, and the second cladding layer covers a portion of an upper surface and a sidewall of the second electrode. The insulating photosensitive material layer is located between the sidewall of the first electrode and the sidewall of the second electrode, and the insulating photosensitive material layer partially covers the upper surface of the first electrode.