摘要:
A photovoltaic element featuring a photoconductive composition comprising an electrically insulating binder, an organic dye, and an organic photoconductor is disclosed. The photovoltaic element has superior conversion efficiencies compared to other organic photovoltaic elements.
摘要:
A display for producing either visible or invisible images to the human eyes comprising a plurality of pixels wherein each of the pixels includes one or more visible radiation subpixels capable of producing visible radiations to the human eyes and at least one invisible radiation subpixel capable of producing invisible radiations to the human eyes; and means for selectively operating the display to activate either visible or invisible radiation subpixels to respectively producing visible or invisible images to the human eyes.
摘要:
A full-color organic display for displaying a color image, including an array of pixels arranged in repeating patterns, wherein each pixel has red, green, and blue light-emitting subpixels, and wherein each red and green light-emitting subpixel contains only one EL unit, while each blue light-emitting subpixel contains more than one vertically stacked EL unit.
摘要:
A cascaded organic electroluminescent device includes an anode, a cathode, and a plurality of organic electroluminescent units disposed between the anode and the cathode, wherein the organic electroluminescent units comprise at least a hole-transporting layer and an electron-transporting layer. The device also includes a connecting unit disposed between each adjacent organic electroluminescent unit, wherein the connecting unit comprises, in sequence, an n-type doped organic layer, and a p-type doped organic layer wherein the p-type doped organic layer includes a dihydrophenazine derivative compound.
摘要:
An enhanced light extraction OLED device including a transparent substrate; light scattering layer disposed over a first surface of the transparent substrate; a transparent first electrode layer disposed over the light scattering layer; an organic EL element disposed over the transparent first electrode layer and including one or more organic layers but at least one light emitting layer in which light is produced; and a transparent second electrode layer disposed over the organic EL element.
摘要:
A donor element adapted for use in making an OLED device, includes a donor support substrate; a light-absorbing layer disposed over the substrate which, in response to light, produces heat; an emissive layer disposed over the light-absorbing layer; and a hole-transporting layer disposed over the emissive layer such that when the donor element is positioned in a transfer relationship with the OLED device and when light is absorbed by the light-absorbing layer, heat is produced that causes the vaporization transfer across a gap, of hole-transporting materials and emissive materials to the OLED device.
摘要:
An organic light-emitting device with improved performance including an anode formed over a substrate; a light-emitting layer formed over the anode for producing light in response to hole-electron recombination; and a performance-enhancing layer formed over the light-emitting layer including one or more chemical reducing materials selected to improve the performance of the organic light-emitting device. The device also includes an electron-transporting layer formed over the performance-enhancing layer, and a cathode formed over the electron-transporting layer.
摘要:
An organic multilayer electroluminescent device including an anode and cathode, and comprising therebetween: a hole transport layer; and an electron transport layer disposed in operative relationship with the hole transport layer; wherein: the hole transport layer includes an organic compound having the formula: wherein: Ar is an aryl moiety; n is an integer of from 1 to 6; and substituents R1 and R2 are each individually hydrogen, or alkyl of from 1 to 24 carbon atoms; aryl or substituted aryl of from 5 to 28 carbon atoms; or heteroaryl or substituted heteroaryl of from 5 to 28 carbon atoms; or fluorine, chlorine, bromine; or cyano group.
摘要:
An OLED device including a substrate, an anode formed of a conductive material over the substrate, and an emissive layer having an electroluminescent material provided over the anode. The OLED device also includes a buffer structure having at least two layers, a first buffer layer provided over the emissive layer and containing an alkaline halide and a second buffer layer provided over the first buffer layer and containing phthalocyanine, and a sputtered cathode layer having an alloy containing an alkaline metal provided over the buffer structure.
摘要:
An image display device includes a substrate; a sparse array of light emitting elements formed on one side of the transparent substrate, the light emitting element being selectively addressable to form an image; an array of lens-lets located on the opposite side of the substrate, the focal plane of the lens-lets being at the one side of the substrate and the lens-lets being arranged with respect to the light emitting elements such that the light emitted by the light emitting elements is directed by the respective lens-lets to intersect at a common region associated with a predetermined viewing distance; and the sparseness of the array of the light emitting elements being such that the ratio of the light emitting area of the light-emitting element under a lens-let to the total area of the lens-let is less than or equal to 0.25.