A composite quantum-dot optical film comprises a quantum-dot layer and a composite structure disposed on the quantum-dot layer, wherein the composite structure comprises a first substrate, a second substrate, and a first barrier layer, wherein each of the first substrate and the second substrate comprises a polymer material, wherein the barrier layer being made of organic material and capable of being water-resistant is disposed between the first substrate and the second substrate.

The present invention discloses a light-emitting electrochemical cell, which includes a first electrode, a light-emitting layer, and a second electrode which are stacked, wherein the light-emitting layer includes a light-emitting material and an ion conductive polymer. The present invention also discloses an electroluminescent display device, including a glass substrate, a thin film transistor, a light-emitting electrochemical cell, a protective layer, and a polarizer. Embodiments of the present application provide a light-emitting electrochemical cell and an electroluminescence display device, wherein the electro-luminescence display device is construed by providing a simple structure and manufacturing process to the light-emitting electrochemical cell, and therefore the manufacturing cost is reduced, and the production efficiency is improved.

An organic thin film transistor and a method of manufacturing the same, the transistor including a gate electrode; an organic semiconductor layer overlapping the gate electrode; and an insulating layer between the gate electrode and the organic semiconductor layer, the insulating layer having an organic/inorganic hybrid region, wherein the organic/inorganic hybrid region includes a polymer and an inorganic material that is chemically bonded to the polymer through a reactive group on the polymer, and the insulating layer includes a space adjacent to the polymer, the inorganic material being positioned in the space.

Provided are an all solid state secondary battery having a positive electrode active material layer, an inorganic solid electrolyte layer, and a negative electrode active material layer in this order, in which at least one layer of the positive electrode active material layer, the inorganic solid electrolyte layer, or the negative electrode active material layer includes a polymer and an inorganic solid electrolyte, in which the polymer is a crosslinking polymer having both of hetero atoms and carbon-carbon unsaturated bonds not contributing to aromaticity in a main chain, and the inorganic solid electrolyte contains a metal belonging to Group I or II of the periodic table and has an ion conductivity of the metal being contained, a solid electrolyte composition being used therefor, an electrode sheet for a battery, and a method for manufacturing an electrode sheet for a battery and an all solid state secondary battery.

The present invention relates to a charge transporting semi-conducting material comprising: a) optionally at least one electrical dopant, and b) at least one cross-linked charge-transporting polymer comprising 1,2,3-triazole cross-linking units, a method for its preparation and a semiconducting device comprising the charge transporting semi-conducting material.

A radiation detector includes a halide semiconductor sandwiched a cathode and an anode and a buffer layer between the halide semiconductor and the anode. The anode comprises a composition selected from: (a) an electrically conducting inorganic-oxide composition, (b) an electrically conducting organic composition, and (c) an organic-inorganic hybrid composition. The buffer layer comprises a composition selected from: (a) a composition distinct from the composition of the anode and including at least one other electrically conducting inorganic-oxide composition, electrically conducting organic composition, or organic-inorganic hybrid composition; (b) a semi-insulating layer selected from: (i) a polymer-based composition; (ii) a perovskite-based composition; (iii) an oxide-semiconductor composition; (iv) a polycrystalline halide semiconductor; (v) a carbide, nitride, phosphide, or sulfide semiconductor; and (vi) a group II-VI or III-V semiconductor; and (c) a component metal of the halide-semiconductor.

A radiation detector includes a halide semiconductor sandwiched a cathode and an anode and a buffer layer between the halide semiconductor and the anode. The anode comprises a composition selected from: (a) an electrically conducting inorganic-oxide composition, (b) an electrically conducting organic composition, and (c) an organic-inorganic hybrid composition. The buffer layer comprises a composition selected from: (a) a composition distinct from the composition of the anode and including at least one other electrically conducting inorganic-oxide composition, electrically conducting organic composition, or organic-inorganic hybrid composition; (b) a semi-insulating layer selected from: (i) a polymer-based composition; (ii) a perovskite-based composition; (iii) an oxide-semiconductor composition; (iv) a polycrystalline halide semiconductor; (v) a carbide, nitride, phosphide, or sulfide semiconductor; and (vi) a group II-VI or III-V semiconductor; and (c) a component metal of the halide-semiconductor.

An organic electroluminescent (EL) display device includes organic EL elements respectively located in pixels and a thin film encapsulation structure covering the pixels. Each of the organic EL elements has a microcavity structure. A thickness of an organic EL layer in the blue pixel and a thickness of an organic EL layer in the red pixel are deviated from of the optimum value of respective microcavity structures. The device further includes a first polydiacetylene layer selectively provided only on the thin film encapsulation structure on the blue pixel, which exhibits blue color and further narrows a spectral width of the blue light, a second polydiacetylene layer selectively provided only on the thin film encapsulation structure on the red pixel, which exhibits red color and further narrows a spectral width of the red light, and no polydiacetylene layer on the thin film encapsulation structure on the organic EL element that emits only the green light. The first and second polydiacetylene layers are formed of a polymer of 10,12-pentacosadiynoic acid.

This organic EL display device (100) is provided with an element substrate which comprises multiple pixels and which comprises organic EL elements (3) arranged in each pixel and bank layers (48) defining the pixels, and a thin-film sealing structure (10) which covers the pixels. The thin-film sealing structure includes a first inorganic barrier layer (12), and an organic barrier layer (14) in contact with the upper surface or lower surface of the first inorganic barrier layer. The multiple pixels include red pixels, green pixels and blue pixels, and further have a first polydiacetylene layer (52a) which exhibits a blue color and which is provided selectively on a second inorganic barrier layer (16) of the thin-film sealing structure on blue pixels, and a second polydiacetylene layer (52b) which exhibits a red color and which is provided selectively on the thin-film sealing structure on red pixels. The first and second polydiacetylene layers are a polymer of 10,12-pentacosadiynoic acid.

This organic EL display device (100) is provided with an element substrate which comprises multiple pixels and which comprises organic EL elements (3) arranged in each pixel and bank layers (48) defining the pixels, and a thin-film sealing structure (10) which covers the pixels. The thin-film sealing structure includes a first inorganic barrier layer (12), and an organic barrier layer (14) in contact with the upper surface or lower surface of the first inorganic barrier layer. The multiple pixels include red pixels, green pixels and blue pixels, and further have a first polydiacetylene layer (52a) which exhibits a blue color and which is provided selectively on a second inorganic barrier layer (16) of the thin-film sealing structure on blue pixels, and a second polydiacetylene layer (52b) which exhibits a red color and which is provided selectively on the thin-film sealing structure on red pixels. The first and second polydiacetylene layers are a polymer of 10,12-pentacosadiynoic acid.