Korea Institute of Science and Technology

Samsung Electronics Co., Ltd.

Other

Joon Soo Han

Bok Ryul Yoo

Il N Jung

Weon Cheol Lim

Seung Yong Lee

So Hye Cho

Seung H Yeon

Dong Euy Jung

Yeon Seok Cho

Eun J Cho

Sungho Jang

Sung-Ho Jang

Ho Seong Jang

Dong Won Lee

Seung-Hyun Kang

Bong-Soo Kim

Satoru Yamada

Tae-Young Chung

Dong-jin Lee

Jun-Hee Lim

Junhee Lim

Ilgweon Kim

Jong Ku Park

Il Ki Han

Hyungduk Ko

Kyoungmin Kim

Seokjae Lee

Bokyeon Won

Won-Kyung Park

A Ra Hong

Joon-Suh Park

Hyung Duk Ko

Ju-yong Lee

Hae-in Jung

Taesung Kang

Youngkyu Lee

Doo Hyun Ko

Yong Su Jung

Kap K Kang

Young T Jeong

Yon S Cho

Weon-Cheol Lim

Jang Hyun Yoo

Janghyun Yoo

Sam Young Ahn

Joo-hyun Cho

Yoo Kyoung Jeon

Mi-Kyoung Hong

Moon-young Jeong

Mu Yeol Kim

Dong Eui Jung

Joo-Hyun Cho

An integrated circuit device includes a sense amplifier configured to sense a voltage change of a bit line, wherein the sense amplifier includes: a sense amplifier unit connected to the bit line and a complementary bit line, configured to sense the voltage change of the bit line in response to a control signal, configured to adjust voltages of a sensing bit line and a complementary sensing bit line based on the sensed voltage change, and including a first PMOS transistor and a first NMOS transistor; and a first offset canceling unit connecting the bit line to the complementary sensing bit line in response to an offset canceling signal, and including a first offset canceling transistor arranged between the first NMOS transistor and the first PMOS transistor, wherein the first offset canceling transistor shares a common impurity region with the first NMOS transistor.

Integrated circuit devices

Provided is a dye-sensitized upconversion nanophosphor including a core, a first shell surrounding at least part of the core, and an organic dye bonded to a surface of the nanophosphor which has an absorption band ranging from 650 nm to 850 nm and which is excited in a near-infrared region to emit visible light. The dye-sensitized upconversion nanophosphor may be included in a display apparatus, a fluorescent contrast agent, or an anti-counterfeiting code. The organic dye may be an IR-808 dye.

Dye-sensitized upconversion nanophosphor

Provided are a multi-direction channel transistor having a gate having an increased effective width and a multi-direction channel, and a semiconductor device including the multi-direction channel transistor, wherein the multi-direction channel transistor includes at least one fin on an active region on a substrate and disposed adjacent to a recess extending in a first direction; a gate line extending in a second direction crossing the first direction and covering at least a portion of the at least one fin and the recess; source/drain regions on the active region at both sides of the gate line; and a channel region in the active region under the gate line between the source/drain regions, wherein the first direction is diagonal to the second direction, and a dielectric film under the gate line has substantially the same thickness on both the at least one fin and the recess.

Multi-direction channel transistor and semiconductor device including the multi-direction channel transistor

The present invention relates to a solar cell having a wavelength converting layer formed of a polysilazane and a manufacturing method thereof to allow for low temperature sintering, to protect a wavelength converter from oxidation, degradation, and whitening, and thereby improve efficiency of the solar cell. The present invention provides for the solar cell including the wavelength converting layer which is formed by applying a coating solution containing a solvent, a polysilazane, and a wavelength converter onto a cell and an outer surface or inside of the cell, and then curing, and a manufacturing method of.

Solar cell having wavelength converting layer and manufacturing method thereof

There is provided a phosphor powder which includes a wavelength converting material and a silica-based inorganic substance surrounding the wavelength converting material and represented by the following Formula 1, wherein a content of a hydrosilyl group (Si&#x2014;H) is greater than or equal to 10 ppm by weight, based on the total weight of the silica-based inorganic substance: 

Phosphor powder and method of manufacturing the same

Provided are a nanophosphor and a silica composite including the nanophosphor. The nanophosphor has a core/first shell/second shell structure or a core/first shell/second shell/third shell structure, wherein the core includes a Yb-doped fluoride-based nanoparticle, the first shell is an up-conversion shell including a Yband Tm-codoped fluoride-based crystalline composition, the second shell is a fluoride-based emission shell, and the third shell is an outermost crystalline shell.

Color-tunable up-conversion nanophosphor

A semiconductor memory device includes a bit line sense amplifier, a first column select gate, and a second column select gate. The bit line sense amplifier senses an electric potential difference between a bit line and a complementary bit line during a sensing operation for memory cells. The first column select gate transfers an electric potential on the bit line to a local sense amplifier based on a column select signal. The second column select gate transfers an electric potential on the complementary bit line to the local sense amplifier based on the column select signal. The first and second column select gates have different current drive abilities to compensate a difference in bit line interconnection resistance.

Semiconductor memory device compensating difference of bitline interconnection resistance

The present invention relates to a method for preparing a hydrosilane using heteroatom-containing activated carbon, more particularly to a method for economically preparing a high-purity hydrosilane by redistribution of a chlorosilane using a heteroatom-containing activated carbon catalyst.

Method for preparing a hydrosilane using hetero atom containing activated carbon

Disclosed are a functional reinforcing filler including inorganic particles surface-modified with an alkenylsilanol obtained by hydrolyzing an alkenylalkoxysilane compound, and a method for preparing the same. Since the disclosed functional reinforcing filler has a functional group having a double bond, it has good reactivity for styrene-butadiene rubber and sulfur. Thus, when used as a functional reinforcing filler in the manufacture of rubber, it allows improvement of physical properties through adjustment of the addition amount of sulfur without additional use of the coupling agent. In addition, because of superior hydrolysis reactivity, the problem of alcohol can be solved and a rubber mixture with long scorch time can be prepared. In particular, when the functional reinforcing filler of the present invention is used in the manufacture of tires, improvement in modulus, tensile strength, rotational resistance and wet traction performance can be expected.

Functional reinforcing fillers modified with alkenylalkoxysilane and preparing method of the same

There is provided a semiconductor device. The semiconductor device may include multiple contacts plugs, an insulation layer pattern, a metal oxide layer pattern, a metal pattern and a metal line. The contact plugs contact a substrate. The insulation layer pattern is formed between the contact plugs and has a top surface lower than those of the contact plugs. The metal oxide layer pattern is formed on the insulation layer pattern, and has a dielectric constant higher than that of silicon oxide. The metal pattern is formed on the metal oxide layer pattern and contacts sidewalls of the contact plugs. The metal line contacts top surfaces of the contact plugs and the metal pattern and extends thereon.

Semiconductor devices

Disclosed herein are a surface modifier for metal oxide particles and a method of modifying the surface of metal oxide particles using the same. The surface modifier consists either of an alkylsilanepolyol containing a cyclic alkyl group capable of imparting steric hindrance or of a mixture of said alkylsilanepolyol with alkylalkoxysilane, and the method of modifying the surface of metal oxide particles comprises coating the surface modifier on the hydrophilic surface of the metal oxide particles through chemical bonding so as to impart hydrophobicity or amphiphilicity (hydrophilicity and hydrophobicity) and reactivity to the surface of the metal oxide particles. Through the use of alkylsilane triol having a specific chemical structure, surface-modified metal particles having uniform particle size distribution can be provided not only by inhibiting the condensation and agglomeration of the surface modifier itself during a high-temperature condensation reaction for inducing the chemical bonding between metal oxide and the modifier, but also by stabilizing silicon-hydroxyl (Si&#x2014;OH) bonds.

Surface modifiers and process for surface modifications of particles of metal oxide using the same

Provided are a saturated N-heterocyclic carbene-ligand metal complex derivative, a method for preparing the same, and a method for preparing a silane compound by hydrosilylation using the same as a catalyst. To describe in more detail, the metal complex derivative has a saturated N-heterocyclic carbene derivative and an olefin ligand at the same time. A silane compound is prepared by hydrosilylation in the presence of the metal complex derivative as a catalyst. The provided metal complex derivative of the present invention has superior stability during hydrosilylation reaction and is capable of effectively performing the hydrosilylation reaction at low temperature even with small quantity. Further, a product with superior regioselectivity may be obtained. In addition, after the hydrosilylation reaction is completed, the metal complex derivative may be recovered and recycled.

Saturated N-heterocyclic carbene-ligand metal complex derivatives, preparing method thereof, and preparing method of silane compound by hydrosilylation reaction using the same as catalyst

Provided is a method of preparing allylchlorosilane, and more particularly, a method of preparing allylchlorosilane with high yield by Si&#x2014;C coupling reaction of an allyl chloride derivativce with a hydrosilane derivative under specific reaction conditions without using a catalyst.

Method of preparing allylchlorosilane derivative

Provided are a functional reinforcing filler and a method of preparing the same, and more particularly, a functional reinforcing filler including inorganic particles having a surface modified by an organic silanepolyol obtained by hydrolyzing an organic alkoxysilane compound and a method of preparing the sane. The functional reinforcing filler has hydrophobicity and reactivity. If the functional reinforcing filler is used to prepare rubber, a coupling agent is not required, and the rubber does not emit volatile organic compounds (VOCs). In particular, a tire prepared using the functional reinforcing filler may have low rolling resistance and excellent wet traction.

Functional reinforcing filler and method of preparing the same

Growing community of inventors

Seoul, South Korea

Joon Soo Han