Other

Lg Chem, Ltd

Electronics and Telecommunications Research Institute

Samsung Electro-mechanics Co., Ltd.

Kt&g Corporation

Korea Telecom

Trisys Co., Ltd.

Wooriro Optical Telecom

Seung Won Lee

Jang Soon Kim

Kwang Su Seo

Chan Yong Park

Eun Kyung Park

Tae Yi Choi

Won Gu Choi

Dug Bong Kim

Dae Nam Han

Sung Wook Yoon

Kwang Ryong Oh

Jeong Soo Kim

Sun Ki Min

Hong Ki Kim

Hong Man Kim

An aerosol generating system includes: a cigarette including a first segment and a second segment; a heater generating an aerosol by heating at least a portion of an aerosol generating substrate arranged in the first segment and the second segment; a cigarette recognition sensor detecting an identification element arranged in the first segment or the second segment in the cigarette; and a controller identifying a type of the cigarette on the basis of a result detected by the cigarette recognition sensor and controlling a power supply to the heater to heat the cigarette according to a temperature profile corresponding to the identified type.

System and device for generating aerosol with plurality of aerosol generating substrates

Disclosed is a module for correcting and applying an input value applied to a plurality of pixels in a display including a plurality of pixels. The module includes a processor configured to determine a plurality of unit blocks by dividing the plurality of pixels in a preset unit, receive the first input value for a current pixel included in a current block of the plurality of unit blocks, determine a middle input value of a real number, by correcting the first input value by applying a gain value and offset value assigned to the current block, compare the product of a decimal value indicative of the decimal part of the middle input value and the size of the current block with a root value corresponding to the current pixel, determine the final input value by performing rounding-up or rounding-off on the middle input value based on a result of the comparison, and apply the final input value to the current pixel and memory configured to store the gain value, the offset value and the root value.

Method and module for processing image data

A driver IC device includes a correction function having a unit-block setting unit for dividing pixels of a display panel into preset units so as to set the same as a plurality of unit-blocks; a correction route (LUT) setting unit for setting a LUT having a plurality of sub-regions arranged in the same form in response to an arrangement of the pixels included in the unit-blocks set through the unit-block setting unit; a storage unit for storing the LUT set through the LUT setting unit, and storing respective gain values and offset values for the plurality of unit-blocks set through the unit-block setting unit; a changing unit for changing an input value (input gray) inputted to the pixels of the display panel, by using the gain values and offset values stored in the storage unit; and a correction output unit for generating a correction output value (output gray) of the pixels in the unit-blocks of the display panel by using a change value obtained through the changing unit and a coordinate value of the LUT set through the LUT setting unit.

Driver IC device including correction function

Provided is an adhesive composition for an optical use, including: a first isobutylene-isoprene-based rubber having a weight average molecular weight (Mw) of 100,000 g/mol to 1,000,000 g/mol; and a second isobutylene-isoprene-based rubber having a weight average molecular weight (Mw) of 5,000 g/mol to 100,000 g/mol, in which the first isobutylene-isoprene-based rubber and the second isobutylene-isoprene-based rubber each include a hydroxy group. Further, provided is an adhesive layer including a thermally cured product of the adhesive composition for optical use.

Adhesive composition for optical use and adhesive layer for optical use comprising cured product thereof

The present invention provides an adhesive composition for optical use, which includes rubber and may be chemically cross-linked through an appropriate curing process, and as a result, may secure excellent long-term durability, water vapor transmission resistance, and chemical resistance, and includes an isobutylene-isoprene rubber having an acrylic acid ester-based functional group in a main chain thereof, a photoinitiator, and a tackifier in order to provide optical characteristics sufficient to be used for optical use. The present invention provides a method for preparing the adhesive composition for optical use, and it is possible to obtain the adhesive composition for optical use, which includes a chemically cross-linkable rubber by the method. Further, the present invention provides an adhesive film for optical use, and excellent long-term durability and optical characteristics may be implemented by applying the adhesive film for optical use to a wide range of electronic devices.

Adhesive composition for optical use, method for preparing adhesive composition for optical use, and adhesive film for optical use

The present invention relates to an adhesive composition for optical use, which is applied to optical devices or display devices and thus may exhibit excellent adhesion performance while exhibiting a high barrier performance based on a low water vapor transmission rate, and may implement both excellent optical characteristics and durability, and specifically, provides an adhesive composition for optical use, the adhesive composition including: a thermally curable rubber including an isobutylene-isoprene rubber having a carboxyl group and an isobutylene-isoprene rubber having a hydroxy group; and a thermal crosslinking agent. Further, the present invention provides an adhesive film for optical use, including an adhesive layer including photocured products of the adhesive composition for optical use.

Adhesive composition for optical use and adhesive film for optical use

Disclosed a preservation apparatus for improving food storage performance, in which an illumination unit to irradiate light having a specific wavelength is installed on an inner wall surface of a box having foods stored therein to increase the storage period of the foods when the foods are transferred at a room temperature or stored at a low temperature. The foods are prevented from being decayed for a long time, and the nutrients and the freshness of the foods are maintained. The box having the foods stored therein and the illumination unit installed in the box to irradiate light having the specific wavelength onto the foods stored in the box are included.

Storage apparatus for improving food preservation

A laser measuring device maintains high responsivity irrespective of changes in surrounding environment, provides more correct measurement and long distance measurement due to reduced noise, and ensures the safety and reliability of a product. A first light emitter emits first wavelength light having a first wavelength. A second light emitter emits second wavelength light having a second wavelength, the second light emitter being arranged perpendicular to the first light emitter. An optical mirror allows one of the first wavelength light and the second wavelength light to pass but reflecting the other one. A first band pass filter for allows the first wavelength light to pass. A second band pass filter allows the second wavelength light to pass. A light receiver receives incident light, which arrives through one of the first and second band pass filters. A controller activates at least one of the first and second light emitters.

Laser measuring device

The present invention relates to an optical filter whose a sidelobe disturbing a characteristic of an optical filter by weighting an optical coupling efficiency between waveguides is controlled upon applying a selective area growth method in a wavelength selective variable semiconductor optical filter and method of fabricating the same. The present invention can control the thickness of growth layer selectively by controlling the width of the dielectric thin film mask whose the growth is not achieved in the selective area growth method, can control the distance between two waveguides of the wavelength selective variable semiconductor optical filter by applying the result on the distance control between two waveguides. Accordingly, there can be changed an optical coupling efficiency between two waveguides spatially. Because the sidelobe characteristics is largely improved if the distance between two waveguides is controlled temporarily to be corresponded to one period of Hamming function, there can be fabricated a semiconductor optical filter whose the characteristic is very excellent when applying the present invention.

Grating-assisted co-directional vertical coupler optical filter having well-suppressed sidelobe characteristics and method of fabricating the same

The present invention relates to an optical filter for selecting a wavelength to be used in an optical communication and optical switching equipment and, more particularly, to an optical filter in order to reduce a sidelobe deteriorating its characteristics. The optical filter according to the present invention includes a plurality of pair gratings formed in a cladding layer, wherein a period of the grating pairs is constant throughout the optical filter, wherein the pair gratings are divided into two unit gratings, and wherein intervals between unit grating within pair grating are spatially different.

Growing community of inventors

Daejeon, South Korea

Seung Won Lee