A mask assembly and a method of patterning a semiconductor film using the mask assembly. A first mask comprises a plurality of first light shielding regions, a plurality of first light transmissive regions, and at least one first light shielding island; a boundary of a first light shielding island is not connected to a boundary of the first mask; a second mask comprises a plurality of second light shielding regions, a plurality of second light transmissive regions, and at least one second light shielding island; a boundary of the second light shielding island is not connected to a boundary of the second mask; the first light shielding region and the second light shielding region are complementarily arranged, the first light transmissive region and the second light transmissive region are complementarily disposed.

The present disclosure provides an organic light emitting device, a method of manufacturing the same, and a display apparatus. The organic light emitting device includes: a first electrode; a light emitting layer located on a side of the first electrode, a thickness of the light emitting layer being greater than 40 nm, the light emitting layer containing therein a luminescent active material and nanoparticles with a localized surface plasmon resonance effect; a second electrode located on a side of the light emitting layer away from the first electrode. In the organic light emitting device, the nanoparticles having a localized surface plasmon resonance effect are arranged in the light emitting layer, and the nanoparticles are used to promote the radiative transition of excitons of the luminescent active material, thereby improving the light emitting efficiency.

The present disclosure discloses a display substrate and a manufacturing thereof. The display substrate comprises a base substrate, a pixel defining layer formed on the base substrate, wherein the pixel defining layer is provided with an opening region comprising a bottom wall and at least one sidewall, wherein in the opening region, an edge of the bottom wall is provided with at least one hydrophilic inducing column, wherein at least one of the hydrophilic inducing column has a hydrophilic surface.

A flexible display panel is provided, including a display region and a bending region; a support layer; a substrate disposed on the support layer; a barrier layer disposed on a side of the substrate away from the support layer; a thin film transistor layer disposed on a side of the barrier layer away from the substrate; an organic light emitting layer disposed on a side of the thin film transistor layer away from the barrier layer; and an encapsulation layer disposed on the thin film transistor layer and the organic light emitting layer. In addition, in the bending region, the support layer has at least one groove, and an elastic layer is disposed in the groove. The present disclosure solves the problem of poor recovery ability and poor support ability of the bending region of the display panel.

A method of forming microelectronic systems on a flexible substrate includes depositing a plurality of layers on one side of the flexible substrate. Each of the plurality of layers is deposited from one of a plurality of sources. A vertical projection of a perimeter of each one of the plurality of sources does not intersect the flexible substrate. The flexible substrate is in motion during the depositing the plurality of layers via a roll to roll feed and retrieval system.

The invention relates to an organic molecule, in particular for the application in optoelectronic devices. According to the invention, the organic molecule is represented by the following Formula I

##STR00001## wherein: n=0 or 1; and X is selected from the group consisting of a direct bond, CR.sup.3R.sup.4, CCR.sup.3R.sup.4, CO, CNR.sup.3, NR.sup.3, O, SiR.sup.3R.sup.4, S, S(O) and S(O).sub.2; wherein at least one substituent R.sup.V forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R.sup.2 and/or R.sup.IV, wherein the ring system is selected from the following groups:

##STR00002## wherein each dotted line indicates an attachment point.

A method of forming microelectronic systems on a flexible substrate includes depositing a plurality of layers on one side of the flexible substrate. Each of the plurality of layers is deposited from one of a plurality of sources. A vertical projection of a perimeter of each one of the plurality of sources does not intersect the flexible substrate. The flexible substrate is in motion during the depositing the plurality of layers via a roll to roll feed and retrieval system.

The disclosure provides a quantum dot composition, a quantum dot luminescent material, a preparation method thereof and a light-emitting device containing the same. The quantum dot composition includes a microemulsion, a polymer precursor dispersing the microemulsion, wherein the microemulsion includes quantum dots, a dissolution medium dissolving the quantum dots, and an emulsifier encapsulating the dissolution medium.

A flexible display panel is provided, including a display region and a bending region; a support layer; a substrate disposed on the support layer; a barrier layer disposed on a side of the substrate away from the support layer; a thin film transistor layer disposed on a side of the barrier layer away from the substrate; an organic light emitting layer disposed on a side of the thin film transistor layer away from the barrier layer; and an encapsulation layer disposed on the thin film transistor layer and the organic light emitting layer. In addition, in the bending region, the support layer has at least one groove, and an elastic layer is disposed in the groove. The present disclosure solves the problem of poor recovery ability and poor support ability of the bending region of the display panel.

The present disclosure discloses a display panel. The display panel may include multiple thin film layers. The multiple thin film layers may include a first layer and a second layer adjacent to the first layer. The first layer may define a recess at a face toward the second layer. The second layer may include a protrusion at a face toward the first layer. The protrusion may be engaged in the recess. A diameter of a tip of the protrusion may be larger than a diameter of a root of the protrusion. A shape of a space in the recess may match with a contour of the protrusion.