Korea Kumho Petrochemical Co., Ltd.

Lg Chem, Ltd

Electronics and Telecommunications Research Institute

Lx Semicon Co., Ltd.

Optrontec Co., Ltd.

Genotech Corp.

Dong Hwan Kim

Wan Sung Lee

Youngchan Jang

Sang-Hyo Ryu

Hyun Kyung Sung

Chung Heon Jeong

Ki Hong Kim

Dong Wook Kang

Cheol Hee Park

Hyun-Kyung Sung

Namsun Choi

Sang Hyo Ryu

Mi Lim Yu

Kook Hyun Choi

Gwanghoon Kwag

Chee Sung Park

Jae Myoung Kim

Won Young Kim

Dong Hoon Oh

Su Hee Lee

Kwang Yong Lee

Shin Han

Seung Hwa Lee

Ho Soo Hwang

Jae Jong Kim

Ji Won Kwak

Won Bae Byun

Hyung Kyu Choi

Si Kyu Lim

Kyoung Tae Kim

Sung Hoon Han

Yun Sik Hwang

Pilsung Kim

Sang Myoun Lim

Kang Seon Hwang

Seung Eui Kim

Hae Jong Jung

Mi Ok Lee

Woo Ram Jung

Jeoung Hyun Ryu

Keum Soon Lee

Bo-mi Lee

Bo-Mi Lee

An encapsulating composition and an organic electronic device comprising the same, and the encapsulating composition which is capable of effectively blocking moisture or oxygen penetrating into the organic electronic device from the outside to secure the lifetime of the organic electronic device, implementing a top-emitting organic electronic device, being applied in an inkjet method, and providing a thin display.

Encapsulating composition

The present disclosure relates to an integrated circuit, a pixel driving device and a pixel defect detecting method and provides a device and method to sense a voltage of a light emitting diode of a pixel through a data line and to compare the sensed voltage with a reference range, thereby determining a pixel defect.

Integrated circuit for driving pixel of display panel, pixel driving device, and pixel defect detecting method

Provided is a catalyst for manufacturing multi-wall carbon nanotubes, the catalyst including metal components according to &#x3c;Equation&#x3e; Ma:Mb=x:y, and having a hollow structure with a thickness of 0.5-10 &#x3bc;m. In the above equation, Ma represents at least two metals selected from Fe, Ni, Co, Mn, Cr, Mo, V, W, Sn, and Cu; Mb represents at least one metal selected from Mg, Al, Si, and Zr; x and y each represent the molar ratio of Ma and Mb; and x+y=10, 2.0&#x2264;x&#x2264;7.5, and 2.5&#x2264;y&#x2264;8.0.

Catalyst for mass production of multi-wall carbon nanotubes

An optical filter includes a substrate and a first filter layer stacked on a first surface of the substrate. The first filter layer includes a plurality of lower refractive index layers having a refractive index of less than 3; a plurality of higher refractive index layers having a refractive index of greater than 3; and a plurality of medium refractive index layers having a refractive index of 3 or more and smaller than that of the higher refractive index layers, and one higher refractive index layer and one medium refractive index layer are interposed in at least one of regions between two lower refractive index layers.

Optical filter with layers having refractive index greater than 3

A method for manufacturing multi-wall carbon nanotubes, includes the steps of: (a) dissolving a metal precursor in a solvent to prepare a precursor solution; (b) perform thermal decomposition while spraying the precursor solution into a reactor, thereby forming a catalyst powder; and (c) introducing the catalyst powder into a fluidized-bed reactor heated to 600-900&#xb0; C. and spraying a carbon-based gas and a carrier gas to synthesize multi-wall carbon nanotubes from the catalyst powder, wherein steps (a) to (c) are performed in a continuous type and wherein the catalyst powder contains metal components according to equation 1 below. &#x3c;Equation 1&#x3e; Ma:Mb=x:y, wherein Ma represents at least two metals selected from Fe, Ni, Co, Mn, Cr, Mo, V, W, Sn, and Cu; Mb represents at least one metal selected from Mg, Al, Si, and Zr; x and y each represent the molar ratio of Ma and Mb; and x+y=10, 2.0&#x2264;x&#x2264;7.5, and 2.5&#x2264;y&#x2264;8.0.

Method for manufacturing multi-wall carbon nanotubes using continuous type process

A method of preparing a plastic substrate for electrostatic painting includes preparing a carbon nanotube pellet by molding carbon nanotube powder. The method also includes preparing a conductive resin composition by mixing 0.1 to 10 wt % of the carbon nanotube pellet, 0.1 to 20 wt % of carbon black, and 70 to 99 wt % of a thermoplastic polymer resin. The method further includes molding the conductive resin composition.

Method for manufacturing plastic substrate for electrostatic painting

According to one aspect of the present invention, carbon nanotubes whose diameter, length, crystallinity, purity and the like are adjusted to predetermined ranges are added to a thermoplastic resin, and thus the thermoplastic resin can be provided with improved electrical conductivity.

Conductive resin composition and plastic molded product using the same

Provided are a secondary battery including a positive electrode, a negative electrode, and a solid electrolyte layer disposed between the positive electrode and the negative electrode, wherein the positive electrode and the negative electrode include first solid electrolyte particles, the solid electrolyte layer includes second solid electrolyte particles, and a particle diameter of the second solid electrolyte particles is greater than a particle diameter of the first solid electrolyte particles. In the secondary battery, the electrode may increase the amount of movement of lithium ions by increasing a contact area between the solid electrolyte particles and electrode active material, and the solid electrolyte layer may minimize the reduction of ionic conductivity by decreasing interfacial resistance due to the contact between the electrode and the solid electrolyte layer. Thus, stability and performance of the secondary battery may be improved.

Secondary battery including solid electrolyte layer

The present invention relates to a highly conductive carbon nanotube having bundle moieties with ultra low apparent density less than 0.01 g/cc. More specifically, this invention relates to a highly conductive carbon nanotube prepared by following preparation steps of i) preparing the sphere shape of metal catalyst by spray pyrolysis of catalytic metal precursor solution including low molecular weight polymer, ii) synthesizing carbon nanotube using carbon source and obtained metal catalyst according to thermal chemical vapor deposition method; and iii) obtaining a highly conductive carbon nanotube having bundle moieties with ultra-low bulk apparent density.

Highly conductive carbon nanotube having bundle moieties with ultra-low bulk density and its manufacturing method

The present invention relates to a process for preparing catalyst composition for the synthesis of carbon nanotube with high yields using the spray pyrolysis method. More particularly, this invention relates to a process for preparing catalyst composition for the synthesis of carbon nanotube comprising the steps of i) dissolving multi-component metal precursors of catalyst composition in de-ionized water; ii) spraying obtained catalytic metal precursor solution into the high temperature reactor by gas atomization method; iii) forming the catalyst composition powder by pyrolysis of gas atomized material; and iv) obtaining the catalyst composition powder, wherein said catalyst composition comprises i) main catalyst selected from Fe or Co, ii) Al, iii) optional co-catalyst at least one selected from Ni, Cu, Sn, Mo, Cr, Mn, V, W, Ti, Si, Zr or Y, iv) inactive support of Mg. Further, the catalyst composition prepared by this invention has a very low apparent density of 0.01&#x2dc;0.50 g/ml as well as the catalyst composition affords high production yield (1,000&#x2dc;1,800%) of carbon nanotube.

Process for preparing catalyst composition for the synthesis of carbon nanotube with high yields using the spray pyrolysis method

The present invention relates to a catalyst for preparing a carbon nanotube having desired apparent density by controlling the adding amount of co-precipitating agent in the process of preparing a catalyst in order to obtain a catalyst having a minimized particle size. More specifically, this invention relates to a catalyst for preparing carbon nanotube having desired apparent density based upon the reverse-correlation between the amount of co-precipitating agent added in the process of preparing catalyst and the apparent density of catalyst. The carbon nanotube prepared by the catalyst having low apparent density shows excellent electrical conductivity and highly uniformed dispersion in the polymer/carbon nanotube composite.

Catalyst for preparing carbon nanotubes by controlling its apparent density

Provided are a system and method for allocating a specific job or application to a specific slave core by using an inter-core-communication (ICC) channel and executing the job or application in a multicore system environment including the master core and a plurality of slave cores. The method of a master core, includes: initializing message transmission times; generating an event for processing a instruction received from an application program and generating a channel event message from the event; checking a process for transmitting the generated channel event message, and if a channel event message queue corresponding to an event transmitting request is not 'FULL' of a previously-stored channel event message, transmitting the channel event message to a specific slave core to request for storing the channel event message; and returning a response of processing status to the request for storing the channel event message to the application program.

System and method of dynamically loading and executing module devices using inter-core-communication channel in multicore system environment

The present invention relates to a catalyst composition for preparing carbon nanotube and a process for preparing carbon nanotube using the same. More particularly, this invention relates to a process for preparing carbon nanotube by the chemical vapor deposition method through the decomposition of lower saturated or unsaturated hydrocarbons using a multi-component metal catalyst composition containing active metal catalyst from Co, V, Al and inactive porous support. Further, the present invention affords the carbon nanotube having 5&#x2dc;30 nm of diameter and 100&#x2dc;10,000 of aspect ratio in a high catalytic yield.

Catalyst composition for preparing carbon nanotube

The present invention relates to a method for separating and purifying a lactone compound with an unsaturated alkyl group from a lactone compound with a saturated alkyl group which is an analog thereof. More specifically, the present invention relates to a method for effectively separating a lactone compound with an unsaturated alkyl group such as FK506 at high purity by extraction with a silver ion (Ag) solution without use of column chromatography.

Purification method of lactone compounds containing unsaturated alkyl group by extraction with silver ion solution

The present invention relates to a catalyst composition for preparing carbon nanotube containing multi-component support materials of amorphous Si, Mg and Al as well as a bulk scale preparation process for preparing carbon nanotube using said catalyst composition. More specifically, this invention relates to a process for preparing carbon nanotube using the catalyst composition comprising a transition metal catalyst and support materials of amorphous Si, Mg and Al.

Catalyst for preparing carbon nanotube comprising multi-component support materials containing amorphous silicon particles and the bulk scale preparation of carbon nanotube using the same

Growing community of inventors

Daejeon, South Korea

Dong Hwan Kim