Abstract:
A donor film for a laser induced thermal imaging method capable of improving the optical efficiency of an emission layer, a light emitting device using the same, and a method of manufacturing the light emitting device are provided. The donor film for a laser induced thermal imaging method includes a base substrate, a light to heat conversion layer (LTHC) provided on the base substrate and having a pattern with a predetermined step difference, and a transfer layer provided on the LTHC. It is possible to improve the optical efficiency of the emission layer by patterning the transfer layer using the LTHC having the pattern with a predetermined step difference.
Abstract:
A white-light-emitting organic electroluminescent device and organic electroluminescent display having the same may include a first electrode, a second electrode, and an emission layer interposed between the first electrode and the second electrode. The emission layer may have a structure in which a polymer emission layer and a small-molecule emission layer are stacked.
Abstract:
A donor film for a laser induced thermal imaging method capable of improving the optical efficiency of an emission layer, a light emitting device using the same, and a method of manufacturing the light emitting device are provided. The donor film for a laser induced thermal imaging method includes a base substrate, a light to heat conversion layer (LTHC) provided on the base substrate and having a pattern with a predetermined step difference, and a transfer layer provided on the LTHC. It is possible to improve the optical efficiency of the emission layer by patterning the transfer layer using the LTHC having the pattern with a predetermined step difference.
Abstract:
The present invention relates to a method of preparing a Li film, wherein said Li film is fabricated by directly decomposing a compound of Li under a vacuum evaporation condition, and said compound is Li3N. Said Li film is fabricated by decomposing Li3N at an evaporation rate of 0.01-0.25 nm/s and an evaporation temperature of 300-450° C., and said Li film has a thickness of 0.3-5.0 nm. The present invention also relates to an organic light emitting device comprising said Li film as an electron injection layer and a method for the preparation thereof, and an organic light emitting device including an electron injection layer comprising an electron transport material doped with Li obtained by decomposing Li3N under a vacuum evaporation condition, and a method for the preparation thereof.
Abstract:
The present invention relates to a method of preparing a Li film, wherein said Li film is fabricated by directly decomposing a compound of Li under a vacuum evaporation condition, and said compound is Li3N. Said Li film is fabricated by decomposing Li3N at an evaporation rate of 0.01-0.25 nm/s and an evaporation temperature of 300-450° C., and said Li film has a thickness of 0.3-5.0 nm. The present invention also relates to an organic light emitting device comprising said Li film as an electron injection layer and a method for the preparation thereof, and an organic light emitting device including an electron injection layer comprising an electron transport material doped with Li obtained by decomposing Li3N under a vacuum evaporation condition, and a method for the preparation thereof.
Abstract:
The present invention relates to monochromatic organic light emitting devices. The organic light emitting device includes a substrate, an anode, a cathode and an organic electroluminescent medium disposed between the anode and the cathode, wherein the organic electroluminescent medium includes compound monochromatic luminescent layer; and the compound monochromatic luminescent layer includes host A doped with monochromatic dopant and host B doped with monochromatic dopant, wherein the host A is consisted of two kinds of materials with different transporting characteristics, one is hole-transporting material, and the other is electron-transporting material. In addition, the present invention further relates to white organic light emitting devices, wherein the organic electroluminescent medium is consisted of at least one compound monochromatic luminescent layer, which includes host A doped with monochromatic dopant and host B doped with monochromatic dopant. The present invention provides a design to improve the lifetime of the organic light emitting device markedly.
Abstract:
The present invention provides an organic light emitting device and a fabrication method thereof, comprising a substrate, an anode layer formed on said substrate, an organic function layer formed on said anode layer, and a cathode layer formed on said organic function layer, characterized in that, further comprising a cathode interface modification layer between said organic function layer and said cathode layer, wherein said cathode interface modification layer contains a compound AxByCz, A is an element of Group IA or IIA, B is an element of Group IIIA or VA, C is a hydrogen element, and 1≦x≦2, yε[0,1], 1≦z≦4. In the present invention, the cathode interface modification layer is formed after forming a light emitting layer, the cathode interface modification layer contains a compound AxByCz, the electron injection ability at the cathode interface can be improved by adding the cathode interface modification layer, and hence the device performance can be significantly improved. At the same time, the process feasibility of the material is good during the fabrication, and thus the yield of the device can be further improved.
Abstract:
An organic electroluminescent device includes an anode, a cathode and an organic functional layer between the anode and the cathode, in which at least one of hole injection layer, hole transport layer and electron transport layer includes a host material and an inorganic inactive material doped in the host material, and the inorganic inactive material is a halide, oxide or carbonate of metal.
Abstract:
The present invention relates to a method of preparing a Li film, wherein said Li film is fabricated by directly decomposing a compound of Li under a vacuum evaporation condition, and said compound is Li3N. Said Li film is fabricated by decomposing Li3N at an evaporation rate of 0.01-0.25 nm/s and an evaporation temperature of 300-450° C., and said Li film has a thickness of 0.3-5.0 nm. The present invention also relates to an organic light emitting device comprising said Li film as an electron injection layer and a method for the preparation thereof, and an organic light emitting device including an electron injection layer comprising an electron transport material doped with Li obtained by decomposing Li3N under a vacuum evaporation condition, and a method for the preparation thereof.
Abstract:
An organic light-emitting device comprising a transparent substrate, an anode layer, a cathode layer, organic functional layers sandwiched between the anode layer and the cathode layer, and an encapsulation layer fabricated on one side or both sides of the device, wherein the encapsulation layer includes a thin multilayer structure and a thick organic insulation layer. The thin multilayer structure has a period number (n) of alternating layers formed of a polymer material layer and a ceramic material layer. The thick organic insulation layer is made up of polymer materials on top of the thin multilayer.