Samsung Electronics Co., Ltd.

Korea Institute of Science and Technology

Samsung Sdi Co., Inc.

Tae-Wook Kim

Dong Su Lee

Sung Ho Lee

Jae-Sup Lee

Choong-yul Cha

Sukang Bae

Sang Hyun Lee

Jin-Ho Park

Kang-yoon Lee

Yoo-Jin Song

Han-Ik Joh

Han Ik Jo

Seoung-Ki Lee

Su-Kwang Noh

Byung Joon Moon

Su Young Son

Min Cheol Park

Jong-Ae Park

Sang-Hyun Woo

Chang-Seok Lee

Hee-Mun Bang

Kazuhiro Ito

Heung-Bae Lee

Sang Jin Kim

Jae-Kon Lee

Hyun-Il Kang

Seung-Kee Shin

Jae-sup Lee

Myoung-Kyu Lee

Dae-Young Jeon

Sunbin Hwang

Ito Kazuhiro

Ho-Koang Choi

Gil Seong Kang

Dongheon Shin

Ye Lin Oh

Younki Lee

Cheol-Ho Lee

An electromagnetic wave shielding film includes a substrate; and an electromagnetic wave shielding layer disposed on the substrate and including a laminated structure having a planar shape and including a stack of metal nanoplates, wherein each metal nanoplate of the stack of metal nanoplates is staggered with respect to one or more other metal nanoplate of the stack of metal nanoplates so that the laminated structure has pores defined therein and between laminated structures in a stack of laminates structures. An additional embodiment of an electromagnetic wave shielding film includes an electromagnetic wave shielding layer including a composite of a polymer resin matrix composed of a polymer and at least one metal nanoplate, wherein each metal nanoplate of the at least one metal nanoplate is staggered with respect to one or more other metal nanoplate of the at least one metal nanoplate so that the composite has pores defined therein.

Electromagnetic interference shielding film having a laminated structure including a stack of metal nanoplates and a nano electrode including the same

A fiber-type electronic device comprising a pattern for electronic devices stacked on a fiber filament substrate is provided. It is possible to manufacture an electronic device directly on a fiber filament substrate by applying the pattern for electronic devices. Thus, it can be widely used for wearable devices and the like. The pattern for electronic devices is manufactured by a method for forming a pattern for electronic devices comprising an exposure process using a maskless exposure apparatus. Thus, it is possible to manufacture a pattern for electronic devices on a fiber filament substrate through a continuous process and thus to increase the process efficiency.

Method for manufacturing pattern for electronic devices, and fiber-type electronic device comprising the pattern for electronic devices

Provided is a carbon nanostructure including a plurality of organic molecules that are decomposition products of an organic solvent. The carbon nanostructure includes a carbon nanostructure core and a plurality of organic molecules bound to and grown on the carbon nanostructure core, wherein the carbon nanostructure core is a combination of the organic molecules.

Carbon nanostructure and method for preparing the same

Provided are a composite electric wire structure wherein a carbon material island structure is formed on a surface of a metal wire and a method for manufacturing the same. The carbon material/metal composite electric wire is capable of solving stability problem and preventing a decrease in electrical properties, mechanical properties, etc. In addition, the composite electric wire structure may be produced in commercially viable large scale.

Composite electric wire structure and method for manufacturing the same

Provided are nitrogen-doped carbon quantum dots as pyrolysis product of fumaronitrile. The carbon quantum dots may be formed in such a manner that nitrogen may be doped in an amount of 3-10 wt % based on the total weight of the carbon quantum dots with no need for a separate doping process. As a result, the carbon quantum dots have excellent properties, such as optical property, electroconductivity and thermal safety, and thus may be useful for photocatalysts or organic solar cells, or the like.

N-doped nanocarbon materials and method for manufacturing the same

The present disclosure relates to a polymer-based large-area carbon nanomesh and a method for preparing same. More particularly, the present disclosure provides a method for preparing a carbon nanomesh, including: preparing a polymer nanofilm by coating a solution of a block copolymer or a polymer mixture thereof on a substrate; stabilizing the polymer nanofilm by annealing such that the polymer nanofilm is phase-separated, a pore-forming polymer is removed and, at the same time, a nanomesh-forming polymer forms a stabilized porous polymer nanomesh; and carbonizing the stabilized porous polymer nanomesh by annealing at high temperature to prepare a carbon nanomesh. Using phase separation and cyclization of a polymer, a large-area carbon nanomesh with superior activity can be prepared simply with high reproducibility in large scale.

Large-area carbon nanomesh from polymer and method of preparing the same

Provided is a method for preparing a carbon material based on an organic nanofilm using thermal evaporation, including: depositing a liquid polymer or polymer solution containing a polymer and a solvent onto a substrate, thereby forming an organic nanofilm; stabilizing the organic nanofilm so that the carbon atoms in the organic nanofilm have a cyclic arrangement; and carbonizing the stabilized organic nanofilm, thereby forming a carbon material, wherein the organic nanofilm is formed from the liquid polymer or polymer solution through a thermal evaporation process. The method provides a carbon material with a thickness, sheet resistance and surface roughness suitable for various applications and allows control thereof. In addition, the method uses a relatively inexpensive starting material, pitch, thereby reducing the overall production cost, and avoids a need for a complicated additional patterning operation, so that the carbon material is applied directly to electronic devices.

Carbon materials based on organic nanofilm using thermal evaporation and method for preparing the same

A plasma display device, which gradually increases the current to the panel capacitors is disclosed. The display uses an inductor to reduce the current spike which would otherwise occur and create large electromagnetic interference.

Plasma display and driving method thereof

A digital phase detector includes a quantization unit that quantizes a frequency of a reference signal to generate reference delay information and reference integer phase information, and quantizes a frequency of an oscillation signal to generate oscillation delay information and oscillation integer phase information. A first conversion unit converts the frequency of the reference signal into reference frequency information based upon the reference delay information and the reference integer phase information. A second conversion unit converts the frequency of the oscillation signal into oscillation frequency information based upon the oscillation delay information and the oscillation integer phase information. A calculation unit converts the reference frequency information and the oscillation frequency information into first and second phase information, respectively, and outputs a digital phase difference between the first phase information and the second phase information.

Digital phase detector, and digital phase locked loop including the same

A plasma display device and a method of driving the same, capable of reducing or preventing the deterioration of components such as a switching device, due to an overcurrent. In a reset period, in order to cause the voltage of a scan electrode to ramp down from a first voltage to a second voltage, a panel driver includes a falling ramp switch that repeats turn-on/turn-off operations, alternately coupling and de-coupling a low-level power supply to the scan electrode, resulting in a gradually falling ramp waveform. A switch controller generates a switching pulse to control the falling ramp switch. Each turn-on time of the switching pulse for the initial falling ramp waveform following a power-on of the plasma display device is controlled to be shorter than each turn-on time of the switching pulse for other falling ramp waveform.

Plasma display device and driving method thereof

A digitally controlled oscillator (DCO) includes a current generator which generates an electric current having a magnitude corresponding to an input signal, and a digitally controlled oscillating unit which generates an oscillating frequency based on an inductance which varies according to the magnitude of the electric current generated by the current generator.

Digitally controlled oscillator (DCO)

A digital frequency detector and a digital phase locked loop (PLL) are provided. The digital frequency detector includes a first conversion unit which outputs a first frequency as first frequency information of a digital type using a first ring oscillator that operates in a high-level period of the first frequency, a second conversion unit which outputs a second frequency as second frequency information of a digital type using a second ring oscillator that operates in a high-level period of the second frequency, and an operation unit which outputs a digital frequency for the first frequency by calculating a ratio of the first frequency information to the second frequency information.

Digital frequency detector and digital phase locked loop using the digital frequency detector

Disclosed is a method and an apparatus for self-calibrating direct current (DC) offset and imbalance between orthogonal signals, which may occur in a mobile transceiver. In the apparatus, a transmitter of a mobile terminal functions as a signal generator, and a receiver of the mobile terminal functions as a response characteristic detector. Further, a baseband processor applies test signals to the transmitter, receives the test signals returning from the receiver, and compensates the imbalance and DC offset for the transmitter side and the receiver side by using the test signals.

Method and apparatus for self-calibration in a mobile transceiver

A high resolution time detecting apparatus using interpolation and a time detecting method using the same are provided. The time detecting apparatus includes a delayer which generates delayed signals by sequentially delaying a reference signal using a plurality of delay elements, a latch unit which outputs latch signals using the delayed signals, and an interpolation unit which outputs interpolated signals using input and output signals of the delay elements. As a result, a high resolution TDC using an interpolation and a time detecting method using the same provide improved performance of digital PLL, high resolution digital signal output at a low power consumption, and controlled circuit size.

High resolution time detecting apparatus using interpolation and time detecting method using the same

A dry etcher for etching a thin film on a wafer, includes an etching chamber having the wafer loaded therein and a supply system for supplying a reaction gas to the etching chamber to etch the thin film on the wafer. A loadlock chamber controls an etching atmosphere before and after the wafer is loaded in and unloaded from the etching chamber. A pumping device pumps the reaction gas out of the etching chamber and the loadlock chamber after the thin film is etched. A heater or cleaning device prevents any residual reaction gas remaining in the etching chamber and loadlock chamber from condensing on the wafer when the wafer is exposed to ambient atmosphere after exiting the loadlock chamber. The heater or cleaning device may be disposed in the etching chamber or the loadlock chamber.

Growing community of inventors

Suwon-si, South Korea

Tae-Wook Kim