Abstract:
A an organic electroluminescent display device includes an array substrate including a driving thin film transistor in a pixel region on a first substrate; an opposing substrate including an organic electroluminescent diode in the pixel region on a second substrate; an adhesive layer filling a space between the array substrate and the opposing substrate; and a connection spacer to electrically connect the organic electroluminescent diode with the driving thin film transistor.
Abstract:
A method for fabricating an organic electroluminescent display device includes: forming a switching thin film transistor, a driving thin film transistor and an organic electroluminescent diode on a mother substrate having a plurality of unit cell areas; forming a cutting portion in a metal foil having a plurality of unit metal foil areas, the metal foil having a size corresponding to the mother substrate; forming an adhesive layer on the metal foil; attaching the mother substrate and the metal foil such that the adhesive layer contacts the mother substrate; and cutting the mother substrate and the metal foil along the cutting portion.
Abstract:
Provided is a wireless power transmission device. The wireless power transmission device includes a power coil in which a high frequency current is applied, a transmission coil in which the high frequency current is induced by magnetic induction, the transmission coil configured to generate an non-radiative electromagnetic wave when the transmission coil has the same resonant frequency as an at least one external target device, and a resonant frequency regulator configured to regulate the resonant frequency of the transmission coil. The wireless power transmission device can transmit the power when it has the same resonant frequency as the target device. Therefore, the overheating due to an eddy current may not occur, and the design may be easily varied.
Abstract:
A method for fabricating an organic electroluminescent display device includes: forming a switching thin film transistor, a driving thin film transistor and an organic electroluminescent diode on a mother substrate having a plurality of unit cell areas; forming a cutting portion in a metal foil having a plurality of unit metal foil areas, the metal foil having a size corresponding to the mother substrate; forming an adhesive layer on the metal foil; attaching the mother substrate and the metal foil such that the adhesive layer contacts the mother substrate; and cutting the mother substrate and the metal foil along the cutting portion.
Abstract:
Provided is a silicon array waveguide grating (AWG) device comprising a silicon array waveguide in which a plurality of optical waveguides formed of a lower cladding layer, a silicon core, and an upper cladding layer are arranged, wherein the variation of the refractive index of the silicon core is positive, and the upper cladding layer is formed of polymer, the variation of refractive index of which according to temperature is negative, which is opposite to the silicon core, and the cross-section of the silicon core varies between different areas to adjust the variation of the effective refractive index of the optical waveguide according to temperature.
Abstract:
A compound containing a crosslinkable moiety, a curable prepolymer, a blend, and a polymer sheet obtained therefrom, and an optical waveguide for optical interconnection. The compound is represented by the formula below: Ar—H wherein Ar includes a crosslinkable moiety at one end, a moiety selected from the group consisting of —O—, —S—, —COO—, —CO—, —COS—, —SO2—, and —NH—, and one or two repeating units selected from the group consisting of the following repeating units: wherein A in the repeating unit is carbon or nitrogen, and X is hydrogen or halogen. At least one of the core and the cladding in the optical waveguide includes the polymer sheet.
Abstract:
A an organic electroluminescent display device includes an array substrate including a driving thin film transistor in a pixel region on a first substrate; an opposing substrate including an organic electroluminescent diode in the pixel region on a second substrate; an adhesive layer filling a space between the array substrate and the opposing substrate; and a connection spacer to electrically connect the organic electroluminescent diode with the driving thin film transistor.
Abstract:
A waveguide structure is provided. The waveguide structure includes: a slot channel waveguide including first and second patterns, which are spaced apart from each other to define a slot; a first upper layer covering at least a portion of the slot channel waveguide; and a second upper layer covering the remaining portion of the slot channel waveguide. A thermo-optic coefficient (TOC) of the channel waveguide times a TOC of the second upper layer is a negative number.
Abstract:
An optical filter module for wavelength multiplexing and demultiplexing and a method of manufacturing the same are provided. The optical filter module for wavelength multiplexing and demultiplexing includes: at least one or more input waveguides; an input-stage star coupler in the form of a slab waveguide connected to the input waveguides; array waveguide which is connected to the input-stage star coupler and in which a plurality of individual waveguides, each of which has an optical path having a predetermined length different to those of the other waveguides and has a heterogeneous waveguide interval formed of a material having a different refraction index from that of a core of the waveguides, are sequentially arranged; an output-stage star coupler in the form of a slab waveguide connected to the array waveguides; and at least one or more output waveguides connected to the output-stage star coupler. According to the optical filter module and the method of manufacturing the same, heterogeneous waveguide intervals having core materials different from those of conventional waveguides are introduced in predetermined areas of array waveguides, thereby reducing polarized light and temperature dependency and at the same time effectively removing optical coupling loss, which can occur at both ends of a heterogeneous waveguide interval, without an additional process of forming waveguides.