Abstract:
Disclosed herein is a common mode filter including an internal electrode manufactured in a coil electrode form and provided with a simultaneous coil pattern in which two coil electrodes are overlapped with each other in a single layer in a direction in which a coil is wound, wherein a height of a second insulating layer formed on the internal electrode is higher than an interval between the coils. Therefore, a portion at which a parasitic capacitance is generated may be basically blocked, and a self resonant frequency (SRF) may be increased while filtering performance as the common mode filter is maintained.
Abstract:
The present invention relates to a piezoelectric device of a multi-layered structure on which first electrodes and second electrodes are sequentially stacked on a piezoelectric polymer and single surfaces or both surfaces of piezoelectric polymer.In accordance with the present invention, the vibration response characteristics of the piezoelectric polymer can be improved by using the graphene or the composite thereof as a surface electrode material to the piezoelectric polymer; and, there are effects that the response characteristics of the piezoelectric device are excellent and the reliability thereof is excellent by forming a second electrode having an excellent conductivity and a protection electrode thereof.
Abstract:
A piezoelectric element driving apparatus may apply a predetermined driving signal to a piezoelectric element to drive the piezoelectric element. The driving signal may be an asymmetrical waveform in which amplitudes of first and second polarities thereof are different from each other. An exemplary embodiment in the present disclosure may provide a piezoelectric element driving apparatus and method having a high output while protecting dielectric characteristics of a piezoelectric element by driving the piezoelectric element using an asymmetrical driving signal.
Abstract:
There is provided a touch panel including: a substrate; mesh pattern electrodes formed on the substrate; and hard coating layers formed on the substrate and filling air gaps of the mesh pattern electrode.
Abstract:
There is provided a camera module including: a lens housing in which a lens is disposed; a glass cover formed of a transparent material and covering the lens housing; and a coil conductive part formed between an outer surface of the lens and an inner surface of the glass cover.
Abstract:
There is provided an antenna module formed to correspond to an opening formed in a frame, including: a coil conductor part disposed in the opening of the frame when viewed on a plane; and a substrate including the coil conductor part formed thereon. The coil conductor part is wound outside a non-conductive portion of the substrate.
Abstract:
Disclosed herein is a common mode filter including an internal electrode manufactured in a coil electrode form and provided with a simultaneous coil pattern in which two coil electrodes are overlapped with each other in a single layer in a direction in which a coil is wound, wherein a height of a second insulating layer formed on the internal electrode is higher than an interval between the coils. Therefore, a portion at which a parasitic capacitance is generated may be basically blocked, and a self resonant frequency (SRF) may be increased while filtering performance as the common mode filter is maintained.
Abstract:
Disclosed herein are a touch panel and a method for manufacturing the same, the touch panel including a transparent substrate; and a conductive part formed on the transparent substrate, wherein the conductive part is formed by coating silver salt emulsion layers having different photo-sensitivities on the transparent substrate such that the silver salt emulsion layers are laminated in multiple layers, followed by exposing/developing, so that electrical conductivity of the conductive part can be significantly improved.