A display substrate, a manufacturing method thereof, and a display device are disclosed. The display substrate includes a base substrate; a pixel defining layer on the base substrate, the pixel defining layer includes a plurality of openings, the pixel defining layer includes a first pixel defining layer, a conductive layer, and a second pixel defining layer which are stacked, in the pixel defining layer in at least a peripheral region of the display substrate, an orthographic projection of the conductive layer on the base substrate completely falls within an orthographic projection of the second pixel defining layer on the base substrate; and an electroluminescent unit including a transparent electrode the transparent electrode is electrically connected with the conductive layer in the pixel defining layer in at least the peripheral region of the display substrate.

An organic electroluminescence device includes an organic electroluminescence element, and a protective layer configured to protect the organic electroluminescence element, wherein the protective layer includes a first insulating film, a second insulating film, a third insulating film, a fourth insulating film, and a fifth insulating film, each of the first insulating film, the second insulating film, the third insulating film, the fourth insulating film, and the fifth insulating film is formed of an inorganic material, and a density of the first insulating film is lower than a density of each of the third insulating film and the fifth insulating film.

The present application provides a display panel, a manufacturing method of the display panel, and a display terminal. The display panel includes a base substrate. The base substrate comprises a first substrate, a semi-interpenetrating net structure layer, and a second substrate stacked on each other. The semi-interpenetrating net structure layer is formed by curing after interpenetration between a material of the first substrate in a partially cured state and a material of the second substrate in an uncured state. Accordingly, a bonding strength between the first and second substrates is increased, inert properties between them are reduced, and production yields in separating a glass substrate from the first substrate are improved.

An encapsulation structure, an encapsulation method, an electroluminescent device, and display equipment, which relate to the technical field of displays. The encapsulation structure comprises: a first inorganic dielectric layer (1), wherein the first inorganic dielectric layer (1) has a surface attached to a surface of a cathode layer (4) of an electroluminescent device; a chromatic dispersion relationship between the first inorganic dielectric layer (1), the cathode layer (4) and an electron injection layer (5) of the electroluminescent device meets a preset condition; the preset condition is used for defining an optical parameter of a first interface, the optical parameter is related to chromatic dispersion, and the optical parameter is used for coupling surface plasmon polaritons on interfaces on both sides of the cathode layer (4); and the first interface is an interface between the first inorganic dielectric layer (1) and the cathode layer (4).

The present invention provides a pyrromethene boron complex represented by the general formula (1), a light emitting element material having high luminance efficiency, and a light emitting element:

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wherein X.sup.1 and X.sup.2 each may be the same or different, and are selected from the group consisting of an alkyl group, a cycloalkyl group, a heterocyclic group, an alkenyl group, a cycloalkenyl group, an alkynyl group, a hydroxyl group, a thiol group, an alkoxy group, a cycloalkoxy group, an alkylthio group, an aryl ether group, an aryl thioether group, an aryl group, a heteroaryl group, halogen and a cyano group. These functional groups may further have a substituent. Ar.sup.1 to Ar.sup.4 each may be the same or different, and are a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group. The aryl group and the heteroaryl group may be either a monocyclic ring or a fused ring. However, when one or both of Ar.sup.1 and Ar.sup.2 is/are monocyclic ring(s), the monocyclic ring has one or more secondary alkyl groups, one or more tertiary alkyl groups, one or more aryl groups, or one or more heteroaryl groups as substituents, or has a methyl group and a primary alkyl group as two or more substituents in total. R.sup.1 and R.sup.2 each may be the same or different, and are a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group. R.sup.3 to R.sup.5 each may be the same or different, and are selected from the group consisting of a hydrogen atom, an alkyl group, a cycloalkyl group, a heterocyclic group, an alkenyl group, a cycloalkenyl group, an alkynyl group, an aryl group, a heteroaryl group, a hydroxyl group, a thiol group, an alkoxy group, an alkylthio group, an aryl ether group, an aryl thioether group, halogen, a cyano group, an aldehyde group, an acyl group, a carboxyl group, an ester group, an amide group, a sulfonyl group, a sulfonic acid ester group, a sulfonamide group, an amino group, a nitro group, a silyl group, and a ring structure with an adjacent group. These functional groups may further have a substituent. R.sup.6 and R.sup.7 each may be the same or different, and are selected from the group consisting of a hydrogen atom, an alkyl group, a cycloalkyl group, a heterocyclic group, an alkenyl group, a cycloalkenyl group, an alkynyl group, an aryl group, a heteroaryl group, a hydroxyl group, a thiol group, an alkoxy group, an alkylthio group, an aryl ether group, an aryl thioether group, halogen, a cyano group, an aldehyde group, an acyl group, a carboxyl group, an ester group, an amide group, a sulfonyl group,

Alight-emitting element of the present disclosure includes a light-emitting section including a plurality of light-emitting regions, and one or a plurality of microlens members controlling a traveling direction of light emitted from each of the light-emitting regions. Alternatively, the light-emitting element of the present disclosure includes a light-emitting section including one light-emitting region, and a plurality of microlens members controlling a traveling direction of light emitted from the one light-emitting region. Alternatively, the light-emitting element of the present disclosure includes a light-emitting section including a plurality of light-emitting regions, and one or a plurality of microlens members controlling a traveling direction of each light emitted from the plurality of light-emitting regions.

A display device includes a display area including a first light-emitting area and a second light-emitting area; a peripheral area adjacent to the display area; pixels which emit incident light; an encapsulation layer covering the pixels; a first color-converting pattern corresponding to the first light-emitting area and having a refractivity; a transmission pattern corresponding to the second light-emitting area and through which the incident light is transmitted; a low refractivity layer is in the display area and facing the encapsulation layer with each of the first color-converting pattern and the transmission pattern therebetween, the low refractivity layer including: a resin and a hollow particle which define a refractivity lower than the refractivity of the first color-converting pattern; and a first dam structure in the peripheral area and spaced apart from the display area, the first dam structure and the transmission pattern being portions of a same material layer.

A light-emitting structure includes a substrate, a sub-pixel stack, a cover layer over the sub-pixel stack, and at least one interface between the substrate and the cover layer. The at least one interface has an interface roughness. The sub-pixel stack includes an emissive layer between a first transport layer and a second transport layer, a first electrode layer coupled to the first transport layer, and a second electrode layer coupled to the second transport layer. The sub-pixel stack is over the substrate and configured to emit light including a scattering component caused by the interface roughness and a cavity component separate from the scattering component. A ratio of a luminance of the scattering component to a luminance of the cavity component increases with a viewing angle relative to a display normal. An optical power of the scattering component is a fraction of an optical power of the cavity component.

An organic light emitting display apparatus including a substrate including a plurality of pixel areas; a pixel electrode on the substrate; an opposite electrode on the pixel electrode, the opposite electrode transmitting light; an organic light emitting layer between the pixel electrode and the opposite electrode, the organic light emitting layer emitting a first light toward the opposite electrode; a light emitting layer on the opposite electrode, the light emitting layer absorbing a portion of the first light and emitting a second light; and a sealing layer on the light emitting layer, the sealing layer sealing the pixel electrode, the opposite electrode, the organic light emitting layer, and the light emitting layer.

A quantum dot LED display apparatus includes a substrate having a plurality of banks deposited thereon. A plurality of red emitting LED sub-pixels, green emitting LED sub-pixels, and blue emitting LED sub-pixels are individually disposed between the banks. Each of the red emitting LED sub-pixels, green emitting LED sub-pixels, and blue emitting LED sub-pixels has an emissive layer, wherein each of the emissive layers comprises quantum dots, an organic matrix, and a photoinitiator. A first concentration of the photoinitiator in the blue emitting LED sub-pixels is lower than a second concentration of the photoinitiator in the red emitting LED sub-pixels, and lower than a third concentration of the photoinitiator in the green emitting LED sub-pixels.