The present invention relates to compounds of the formula (1) which are suitable for use in electronic devices, in particular organic electroluminescent devices, and to electronic devices which comprise these compounds.

A quantum dot composition includes a scatterer containing an inorganic material, a quantum dot containing a core and a shell surrounding the core, a ligand binding to the quantum dot, a polymer resin in which the quantum dot and the scatterer are dispersed, and a dispersant containing at least one of an acidic substituent or a basic substituent. At least one of the polymer resin or the dispersant includes a same material as the shell and the ligand binds to the polymer resin or dispersant that includes the same material as a shell.

A composition for use as an electronic material. The composition contains at least one organic semiconducting material, and at least one electrically insulating polymer forming a semiconducting blend wherein the insulating polymer acts as a matrix for the organic semiconducting material resulting in an interpenetrating morphology of the polymer and the semiconductor material. The variation of charge carrier mobility with temperature in the semiconducting blend is less than 20 percent in a temperature range. A method of making a film of an electronic material. The method includes dissolving at least one organic semiconducting material and at least one insulating polymer into an organic solvent in a pre-determined ratio resulting in a semiconducting blend, depositing the blend onto a substrate to form a film comprising an interpenetrating morphology of the at least one insulating polymer and the at least one organic semiconductor material.

Methods for forming an OLED device are described. An encapsulation structure having organic buffer layer sandwiched between barrier layers is deposited over an OLED structure. The buffer layer is formed with a fluorine-containing plasma. The second barrier layer is then deposited over the buffer layer. Additionally, to ensure good adhesion, a buffer adhesion layer is formed between the buffer layer and the first barrier layer. Finally, to ensure good transmittance, a stress reduction layer is deposited between the buffer layer and the second barrier layer.

An apparatus comprising: a module; a substrate; and electrolyte between the module and the substrate, wherein an electronic component is formed between the module and the substrate and wherein the electrolyte is configured to function as the electrolyte in the electronic component and also as the adhesive to attach the module to the substrate.

The present specification relates to a polymer including a first unit of Chemical Formula 1; a second unit of Chemical Formula 2; and a third unit of Chemical Formula 3 or 4, and an organic solar cell including the same.

Disclosed are an electroluminescent polymer based on phenanthroimidazole units, a preparation method therefor, and the use thereof. The electroluminescent polymer based on phenanthroimidazole units has a structure as shown in the formula (I), and the side chain thereof contains phenanthroimidazole units. The electroluminescent polymer (1) has the properties of hybridized local and charge-transfer states, which can improve the utilization of excitons and the electroluminescence properties of devices by means of reverse inter-system crossing to effectively utilize triplet state excitons; (2) the phenanthroimidazole unit has a large degree of conjugation and a strong rigidity, which can not only improve the thermal stability of a material, but can also increase the radiation transition rate of the material and improve the light-emitting efficiency thereof; and (3) the raw materials of the polymer are cheap, the synthetic route is simple, and purification is convenient, which is beneficial for industrial scaled-up production thereof. The polymer has a good solubility, and can be used to prepare large-area flexible display devices by means of a solution processing technology. The polymer has great development potential and prospects in the field of organic electronic display.

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A phosphazene derivative compound including a chain moiety including a backbone and an attached fluorine atom and an opto-electronic device including such compound. The chain moiety includes an intermediate moiety, a terminal moiety arranged at a terminal portion of thereof bonded to the intermediate moiety, and/or a core moiety comprising a phosphazene unit attached to the chain moiety, including by a linker moiety of the chain moiety. The chain moiety attaches to the phosphorous atom of the unit and/r comprises a cyclophosphazene comprising a plurality of units. The device has two electrodes and an active region comprising a semiconducting layer bounded longitudinally by the electrodes and laterally confined to an emissive region defined thereby that lacks the compound. A device patterning coating includes the compound in a first lateral portion. The device has a deposited layer of deposited material, but the first portion lacks a closed coating of deposited material.

The present disclosure is directed to providing a support substrate for a display device capable of obtaining high transparency while accomplishing thinning and flexibility of an organic EL display device.

In view of the above, the present disclosure provides a support substrate for a display device including a TFT glass substrate having a thickness of 10 μm to 150 μm, and a polyimide resin layer having a thickness of 150 nm or less installed in contact with the TFT glass substrate.

A perovskite-polymer composite comprising a perovskite and a polymer, wherein the polymer has a structural unit comprising a thiourea (—HN(C═S)NH—) fragment and a (—R.sup.1—O—R.sup.2—) fragment, wherein R.sup.1 and R.sup.2 are each independently a C.sub.1-C.sub.6 alkyl or a cycloalkyl linker; a mechanically robust and self-healable solar cell comprising same; and a method of making same.