Samsung Electronics Co., Ltd.

Moonil Jung

Sangwook Kim

Wontaek Seo

Kyung-Eun Byun

Keunwook Shin

Yeonsang Park

Hyochul Kim

Younggeun Roh

Kwanghee Lee

Jineun Kim

Unjeong Kim

Boreum Jeong

Hajin Kim

Youngtek Oh

Haengdeog Koh

Jeeeun Yang

Yunju Yu

A method of preparing a carbon nanotube monolayer film includes applying a bifunctional hydrogen-bond linker onto a substrate to prepare a surface-treated substrate, mixing carbon nanotubes having a heteroatom-containing aromatic polymer coating film with a hydrophobic solvent to obtain a composition and contacting the surface-treated substrate with the composition, and heat-treating the surface-treated substrate contacting the composition.

Carbon nanotube monolayer film, method of preparing the same, and electronic device including the same

A light filter and a spectrometer including the light filter are disclosed. The light filter includes a plurality of filter units having different resonance wavelengths, wherein each of the plurality of filter units includes a cavity layer configured to output light of constructive interference, a Bragg reflection layer provided on a first surface of the cavity layer, and a pattern reflection layer provided on a second surface of the cavity layer opposite to the first surface and configured to cause guided mode resonance of light incident on the pattern reflection layer, the pattern reflection layer including a plurality of reflection structures that are periodically arranged.

Light filter and spectrometer including the same

Provided is a sound source tracking apparatuses including a vibration unit including vibrators configured to vibrate in response to an ambient sound, the ambient sound including individual sounds, and a processor configured to separate the ambient sound into individual sounds, to determine a target individual sound having a target tone color among the individual sounds, and to obtain a relative location of a target sound source that generates the target individual sound.

Apparatus for tracking sound source, method of tracking sound source, and apparatus for tracking acquaintance

A tunable laser device is provided. The tunable laser device includes an active layer configured to generate first light by a first source; first and second reflective layers spaced apart from each other having the active layer disposed between the first reflective layer and the second reflective layer to form a resonance cavity; and a variable refractive index unit in the resonance cavity and having a refractive index being variable according to a second source, the second source being different from the first source.

Tunable laser device

Growing community of inventors

Suwon-si, South Korea

Moonil Jung