Korea Institute of Science and Technology

Samsung Electronics Co., Ltd.

Lg Innotek Co., Ltd.

Frontics, Inc.

Other

Jung, Won Seok

Kwang Ho Kim

Jae Wook Choi

Jeong-Myeong Ha

Yoon Pyo Lee

Dong Jin Suh

Young Hyun Yoon

Jae Hak Jeon

Sang Ho Kim

Chang Soo Kim

Joo Seong Kim

Chunjae Yoo

Jong Hyun Lee

Kwang Ho Lee

Young Il Kim

Jungho Jae

Ji Hwan Yu

Adid Adep Dwiatmoko

Kyeongsu Kim

Thi Lien Do

Jun Jin Kong

Jaehong Kim

Seung Hyun Cho

Kyung Ho Kim

Hong Rak Son

Dae-Young Lee

Kyoung Lae Cho

Jae Young Lee

Seo Young Kim

Jung Hyun Park

Ho-Young Kim

Yoon Joo Kim

Jae Gon Lee

Jin Ho Choi

Dong Gi Lee

Jong Soo Jurng

Yeong-Jae Woo

Taek Kyun Shin

Min Soo Kang

Hyuck-Sun Kwon

Han Bin Yoon

Dong Keun Kim

Bong Il Park

Jin Oh Seok

Jun Yeong Kim

Yun Ho Shin

Joo Sung Lee

Chun Sik Lee

Ui Youn Jung

Sun Woong Kim

Seung Hun Choi

Jun Hyeok Yang

Jeong Hwa Hong

Jin A Eun

Woo Joo Kim

Seung Hynu Cho

Jang Ho Cho

Dong Il Kwon

Seung Won Jeon

Gwi Eun Song

Yung Hei Lee

Hee Suk Han

Gwi-Eun Song

Hung Tae Shin

Gui Eun Song

Jong Ki Kim

Hee Kwang Chang

A temperature sensing device including a first temperature sensor having a first resistor and a first capacitor and generating a first voltage applied to at least one of the first resistor or the first capacitor based on a first clock signal and a second clock signal generated by delaying the first clock signal, a second temperature sensor having a second resistor and a second capacitor and generating a second voltage applied to at least one of the second resistor or the second capacitor based on the first and second clock signals, a controller generating code data based on the first voltage and the second voltage and generating a control signal based on the code data, and a delay locked loop circuit delaying the first clock signal based on the control signal to generate the second clock signal may be provided.

Temperature sensing device and system on chip

Disclosed herein is a catalyst for an upgrading reaction of biomass pyrolysis oil, a method for preparing the same, and a method for upgrading biomass pyrolysis oil using the same. The catalyst is a composite inorganic oxide, and the composite inorganic oxide includes lanthanum, nickel, titanium, and cerium. When a metal catalyst supported on carbon is used as a catalyst for a first step reaction, by using the catalyst as a catalyst for a second step reaction, the efficiency of the upgrading reaction of bio-oil is increased and a continuous reaction is possible without clogging of a continuous reactor.

Catalyst for aviation fuel production from bio-oil, method for preparation of the same and method for bio-oil upgrading using the same

Disclosed herein are a catalyst for hydrocracking reaction of high molecular weight components in bio-oil, a method for preparing the same and a method for bio-oil upgrading using the same. The catalyst includes a zeolite carrier; and at least one metal selected from the group consisting of nickel (Ni), ruthenium (Ru) and cerium (Ce) supported on the carrier. The catalyst promotes the hydrocracking of high molecular weight compounds contained in the bio-oil, but also inhibits the polymerization reaction of the decomposed product, thereby more effectively enhancing the hydrocracking reaction of the bio-oil.

Hydrocracking catalyst for heavy fraction of bio-oil, method for preparing the same and method for bio-oil upgrading using the same

According to the embodiments disclosed herein, in a press-fitting test for measuring physical properties of a test object by pressing an indenter against the test object and measuring the load and displacement, the measured displacement value is corrected in real time in consideration of the amount of deformation according to the load of the load cell, and thus an accurate load-displacement curve can be derived, even when the amount of deformation of the load cell is included in a measured value of a displacement sensor.

Method for performing press-fitting test in consideration of amount of deformation of load cell

Disclosed are a method for producing lactic acid from wastes containing cellulose and/or hemicellulose and a catalyst for thermochemical conversion reaction of wastes containing cellulose and/or hemicellulose. The method includes a step of adding a metal catalyst to wastes containing cellulose and/or hemicellulose and performing thermochemical conversion reaction. The method provides an effect of producing lactic acid from discarded wastes, e.g., waste paper such as waste corrugated paperboards, waste paper boxes, waste newspapers, etc.

Method for producing lactic acid from waste paper using lanthanide-based metal catalyst

Disclosed herein are a calcium salts-supported metal catalyst, a method for preparing the same, and a method for the hydrodeoxygenation reaction of oxygenates using the same. The catalyst, in which a metal catalyst is supported on a carrier of a calcium salt, for example, calcium carbonate, has the effect of increasing the efficiency of hydrodeoxygenation reaction of oxygenates.

Calcium salts-supported metal catalyst, method for preparing the same, and method for hydrodeoxygenation reaction of oxygenates using the same

Provided are a semiconductor circuit and a semiconductor system. A semiconductor circuit includes a bandgap reference voltage generation circuit including an operational amplifier to amplify a differential voltage between a first node and a second node; a first startup circuit which receives input of an output signal of the operational amplifier from an output voltage node of the bandgap reference voltage generation circuit and pulls up the second node; and a second startup circuit which pulls down the output voltage node.

Semiconductor circuit and semiconductor system

A CMOS temperature sensor is provided. The CMOS temperature sensor, comprises: a bandgap reference circuit outputting a constant bandgap reference voltage regardless of temperature using a first voltage inversely proportional to temperature and a second voltage proportional to temperature and generating a first current proportional to temperature using the second voltage; a reference voltage generator copying the first current and outputting a reference voltage generated using the first voltage and the copied first current; and a temperature information voltage generator copying the first current and outputting a temperature information voltage proportional to temperature.

High-accuracy CMOS temperature sensor and operating method

A vertical memory device includes a substrate having a cell array region and a connection region adjacent to the cell array region, a plurality of gate electrode layers stacked on the cell array region and the connection region of the substrate, and forming a stepped structure in the connection region, a first metal line dividing the plurality of gate electrode layers and connected to the cell array region and the connection region of the substrate, and a second metal line dividing a portion of the plurality of gate electrode layers and connected to the connection region of the substrate. A depth of a lower end portion of the second metal line may be greater than a depth of a lower end portion of the first metal line in the cell array region, based on an upper surface of the substrate.

Vertical memory device

An optical lens and a light emitting module having the optical lens is provided. The optical lens may include a bottom surface, a recess upwardly convex at a central region of the bottom surface, a light input surface at a circumference of the recess, a first light output surface having a convexly curved surface at opposite sides of the bottom surface and the light input surface, and a second light output surface at a lower circumference of the first light output surface, wherein the bottom surface includes a first edge adjacent to the recess and a second edge adjacent to the second light output surface, a region of the bottom surface more adjacent to the first edge gradually approaches a first axis that is horizontal to a center of a bottom of the recess, and the first light output surface has a convex central region.

Optical lens, light emitting module and light unit having the same

A laser detector includes a latch and a semiconductor device including the same. The laser detector includes a latch configured to output an output signal and an inverted output signal and an initial value setting circuit configured to set an initial value of at least one of the output signal and the inverted output signal. The latch includes a first transistor controlled to be initially turned on by the initial value and a second transistor controlled to be initially turned off by the initial value. The second transistor has an active region having a lateral area that is greater than that of the first transistor.

Laser detector using latch and semiconductor device including the same

The present invention relates to a method for measuring a fracture toughness using an instrumented indentation testing, which measures a load and an indentation depth in real time while applying a load to a specimen by an indenter having a flat punch shape.

Method for evaluating fracture toughness using instrumented indentation testing

Disclosed is an optical lens. The optical lens includes a bottom surface having a recess part at center thereof; a light exit surface provided in opposite to the bottom surface and having a convex curved surface; an outer sidewall connected between the bottom surface and the light exit surface; a recess portion recessed toward the bottom surface; and a convex portion provided between the recess portion and the light exit surface. The recess part is convexly recessed in a direction of the recess portion. The recess portion includes a first to third total-reflection surface having curvatures different from each other. The convex portion is protruded inwardly from an inflection point between the convex portion and the light exit surface.

Optical lens, light emitting device, and lighting device having the same

Growing community of inventors

Seoul, South Korea

Kwang Ho Kim