An organic electroluminescent element has at least one pair of electrodes including an anode and a cathode and one or more organic functional layers between the anode and the cathode that are in a pair. The organic electroluminescent element includes an organic functional layer that exists as a continuous phase over an entire display area and includes an at least one light emitting compound with a concentration gradient in an in-plane direction and in a thickness direction of the organic functional layer.

A display substrate has a display area and a peripheral area. The display substrate includes a base substrate; an insulating layer on the base substrate and in at least the peripheral area; a plurality of light emitting elements on the base substrate and in the display area; an encapsulating layer on a side of the plurality of light emitting elements distal to the base substrate to encapsulate the plurality of light emitting elements; and a dam layer on a side of the insulating layer distal to the base substrate. The encapsulating layer includes a first inorganic encapsulating sublayer extending from the display area into the peripheral area. The display substrate has a groove extending into the first insulating layer in the peripheral area, and substantially surrounding the display area. The first inorganic encapsulating sublayer extends into at least a portion of the groove.

A display substrate has a display area and a peripheral area. The display substrate includes a base substrate; an insulating layer on the base substrate and in at least the peripheral area; a plurality of light emitting elements on the base substrate and in the display area; an encapsulating layer on a side of the plurality of light emitting elements distal to the base substrate to encapsulate the plurality of light emitting elements; and a dam layer on a side of the insulating layer distal to the base substrate. The encapsulating layer includes a first inorganic encapsulating sublayer extending from the display area into the peripheral area. The display substrate has a groove extending into the first insulating layer in the peripheral area, and substantially surrounding the display area. The first inorganic encapsulating sublayer extends into at least a portion of the groove.

A display panel and a display panel preparation method thereof are provided. A first buffer layer and a barrier layer are formed on a support base board, and then a second buffer layer is prepared on the barrier layer. In addition, the first buffer layer is illuminated by a mask process, so that an adhesive force between the first buffer layer and the barrier layer is reduced. The second buffer layer continues to be prepared, and the second buffer layer is a transparent film layer. Therefore, light transmitting performance and the display effect of the panel are effectively improved.

A display device includes a display substrate including: a pixel area provided in plurality separated from each other, and a plurality of through holes separated from each other; a light-emitting diode provided in plurality on the display substrate arranged in the pixel areas thereof; and a wiring line provided in plurality on the display substrate, the wiring line including a first wiring line and a second wiring line which are each electrically connected to the light-emitting diode.

A light-emitting element containing a light-emitting material with high light emission efficiency is provided. The light-emitting element includes a high molecular material and a guest material. The high molecular material includes at least a first high molecular chain and a second high molecular chain. The guest material has a function of exhibiting fluorescence or converting triplet excitation energy into light emission. The first high molecular chain and the second high molecular chain each include a first skeleton, a second skeleton, and a third skeleton, and the first skeleton and the second skeleton are bonded to each other through the third skeleton. The first high molecular chain and the second high molecular chain have a function of forming an excited complex.

The present disclosure relates to a display panel and a display apparatus. The display panel includes a display substrate for displaying, a sensing substrate for sensing fingerprints disposed opposite to the display substrate, the sensing substrate including a first substrate and a photosensitive device located on a side of the first substrate facing the display substrate, and a light collimating layer located between the display substrate and the photosensitive device, the light collimating layer being used to collimate light propagating toward the photosensitive device.

The present disclosure provides a display panel, including: a substrate; a pixel definition layer disposed on a side of the substrate, that the pixel definition layer includes an isolation structure and a pixel opening enclosed by the isolation structure; and a first lens layer disposed on a side of the pixel definition layer away from the substrate, that the first lens layer includes a first lens body and a lens opening enclosed by the first lens body, and in a thickness direction of the display panel, the first lens body at least overlaps the isolation structure, and the lens opening overlaps the pixel opening, that, an orthographic projection of the first lens body on the substrate is a lens projection, an orthographic projection of the pixel opening on the substrate is a pixel projection, and a distance between at least a portion of an edge of the lens projection and an edge of the pixel projection is substantially zero.

A light-emitting element containing a light-emitting material with high light emission efficiency is provided. The light-emitting element includes a high molecular material and a guest material. The high molecular material includes at least a first high molecular chain and a second high molecular chain. The guest material has a function of exhibiting fluorescence or converting triplet excitation energy into light emission. The first high molecular chain and the second high molecular chain each include a first skeleton, a second skeleton, and a third skeleton, and the first skeleton and the second skeleton are bonded to each other through the third skeleton. The first high molecular chain and the second high molecular chain have a function of forming an excited complex.

In one or more embodiments, one or more systems, one or more methods, and/or one or more processes may provide, by first multiple light emitting diode (LED) pixels of a display, first light emissions; provide, by second multiple LED pixels of the display, second light emissions; determine a gaze point associated with eyes of a user and associated with the display; and configure multiple liquid crystal display pixels of the display within a distance from the gaze point to: block the second light emissions to a first eye of the eyes of the user, block the first light emissions to a second eye of the eyes of the user, permit transmission of the first light emissions to the first eye of the eyes of the user, and permit transmission of the second light emissions to the second eye of the eyes of the user.