Samsung Sdi Co., Inc.

Samsung Display Devices Co., Ltd.

Samsung Electronics Co., Ltd.

Jong-Hwan Park

Jung-Hyun Nam

Hoon Seok

Yeon-Joo Choi

Young-Chul Choi

Sung-Hee Cho

Eon-Mi Lee

Joong-Woo Nam

Jae-Sang Ha

Mee-Ae Ryu

Deok-Hyeon Choe

Byeong-Gyu Cho

Ae-Hui Goh

Hyung-Bae Kim

Jin-Hyuk In

Eun-Gyeong Lee

Jong-Hyuk Lee

Jae-Myung Kim

Ji-Won Lee

Seung-sik Hwang

Jong-Seo Choi

Chang-Sub Lee

Jae-man Choi

Chang-Wook Kim

Beom-Kwon Kim

Hyun-jung Lee

Yun-Hee Kim

Jeong-Hee Lee

Dong-Sik Zang

Chang-Seok Rho

Jung-hyun Nam

Nae-Sung Lee

Jong-Woon Moon

Iwao Fukuchi

Yoon-hyung Cho

Yoon-Ho Jun

June Hyoung Park

Kwang-Seok Jeong

Chong-In Chung

Myun-ki Shim

Sung-Ryong Bae

Dong-sik Zang

Won-Seok Kim

Ji-Hyun Jeon

Myung-Ick Hwang

Takahiro Endo

Eun-Mi Lee

Ji-Soon Ihm

Jun-Seop Kim

Tae-Il Yoon

A separator for a rechargeable lithium battery includes a substrate; and a coating layer positioned on at least one side of the substrate, wherein a thickness ratio of the coating layer relative to the total thickness of the substrate and the coating layer ranges from about 5% to about 50%, and a loading level of the coating layer ranges from about 1.4 g/mto about 9.8 g/m, and a rechargeable lithium battery including the same is provided.

Separator for rechargeable lithium battery and rechargeable lithium battery including the same

A separator for a rechargeable lithium battery includes a substrate, an organic layer positioned on at least one side of the substrate and including an organic material and an inorganic layer positioned on at least one side of the substrate and including an inorganic material, wherein the organic material includes two or more kinds of organic particles having different particle sizes from each other.

Separator for rechargeable lithium battery and rechargeable lithium battery including same

A separator for a rechargeable lithium battery includes a substrate; an organic layer on at least one side of the substrate and including an organic material; and an inorganic layer on at least one side of the substrate and including an inorganic material, where the organic material includes two or more organic particles having respective melting points that are different from each other. A rechargeable lithium battery includes the separator.

A negative electrode for a rechargeable lithium battery, the negative electrode including: a current collector; a negative active material layer on the current collector; and a coating layer directly contacting the negative active material layer, the coating layer including an organic material and an inorganic material, is disclosed. A rechargeable lithium battery including the same is also disclosed.

Negative electrode for rechargeable lithium battery and rechargeable lithium battery including the same

A separator for a rechargeable lithium battery includes: a substrate; and a coating layer on at least one side of the substrate, the coating layer including an acrylic-based copolymer obtained from polymerization of a (meth)acrylate salt and (meth)acrylonitrile, and a polyvinyl alcohol-based compound. A rechargeable lithium battery including the separator is also provided.

A separator for a battery and an electronic device, the separator including a separator substrate; and a separator coating layer coated on at least one surface of the separator substrate, the separator coating layer including a binder and at least one quaternary ammonium salt.

Coated separator and electrochemical device including the same

A separator for a battery, a battery, and a method of preparing a graft copolymer for a binder, the separator including a porous substrate; a coating layer on at least one surface of the porous substrate, the coating layer including an inorganic oxide; and a binder between the porous substrate and the inorganic oxide or between adjacent particles of the inorganic oxide, the binder including a graft copolymer, wherein the graft copolymer has a backbone of a polyvinylidene fluoride-based polymer or a polyvinylidene fluoride-based copolymer, and a pendant chain grafted to the backbone, the pendant chain including a hydrophilic repeating unit, and fluorine atoms in the backbone of the graft copolymer are partially substituted with at least one of chlorine, bromine, or iodine.

Binder composition, separator including binder formed from the binder composition, lithium battery including the separator, and method of preparing the binder composition

A rechargeable lithium battery includes a positive electrode, a negative electrode, and a separator between the positive electrode and the negative electrode. The separator includes a substrate having a first side facing the negative electrode and a second side facing the positive electrode. A first layer is positioned on the first side of the substrate and includes an organic material, and a second layer is positioned on the second side of the substrate and includes an inorganic material.

Rechargeable lithium battery

A polymer including a first repeating unit represented by Formula 1 and a second repeating unit including a substituted or unsubstituted C2-C30 alkenyl group: wherein, in Formula 1, groups R, R', A, A&#x2032;, Y, and Y&#x2032; are defined in the specification.

Polymer, electrode for lithium batteries including the polymer, and lithium battery including the electrode

An electron emission source-forming composition includes a carbon-based material; a vehicle composed of a resin component and a solvent component; and at least one metal oxide with an average particle diameter in a range of 100 to 1,000 nm selected from AlO, TiO, and SiO. The electron emission source-forming composition is sintered under an air atmosphere during electron emission source formation. Therefore, carbon deposits after sintering and degradation of Carbon Nano-Tubes (CNTs) upon sintering can be remarkably reduced. As a result, the electron emission source formed using the composition has a high current density and the electron emission device using the electron emission source exhibits enhanced reliability.

Electron emission source, its method of fabrication, and an electron emission device using the electron emission source

Boron nitride nanotube paste compositions, electron emission sources including the same, electron emission devices including the same and backlight units and electron emission display devices including the same are provided. A boron nitride nanotube paste composition includes about 100 parts by weight boron nitride nanotubes, from about 500 to about 2000 parts by weight glass frit, from about 1000 to about 2000 parts by weight filler, from about 2000 to about 4000 parts by weight organic solvent, and from about 4000 to about 6000 parts by weight polymer binder. Electron emission devices including the boron nitride nanotube electron emission sources have longer lifespan and improved uniformity among pixels.

Boron nitride nanotube paste composition, electron emission source including the same, electron emission device including the electron emission source, and backlight unit and electron emission display device including the electron emission device

Provided is a method of manufacturing an electron emission device. The method includes: forming electron emission sources including a carbon-based material; and emitting electrons from the electron emission sources in a chamber containing a gas. Accordingly, an electron emission display device employing the electron emission device can improve uniformity between pixels and increase device lifespan.

Method of manufacturing electron emission device and electron emission device manufactured by the method

An electron emission device that can uniformly emit electrons and has low manufacturing costs, a display apparatus having improved pixel uniformity by using the electron emission device, and a method of manufacturing the electron emission device, wherein the electron emission device includes a first substrate, a cathode and an electron emission source disposed on the first substrate, a gate electrode electrically insulated from the cathode, an insulating layer interposed between the cathode and the gate electrode to insulate the cathode from the gate electrode, and a resistance layer that contacts the cathode and includes semiconductive carbon nanotubes (CNTs).

Electron emission device, electron emission display apparatus having the same, and method of manufacturing the same

The present invention relates to a composition for formatting an electron emission source of an electron emission device, and an electron emission source comprising the same. The composition comprises a paste comprising multi-walled carbon nanotubes exhibiting an RBM (Radial Breathing Mode) peak. The paste further comprises an inorganic powder, a binder resin, and an organic solvent. The electron emission source made from the composition of the present invention improves the lifetime and electron emission characteristics of the electron emission device by using multi-walled carbon nanotubes having excellent lifetime and electron emission characteristics.

Composition for formatting an electron emission source for use in an electron emission device and an electron emission source fabricated using the same

An electron emission material includes an electron emission material main body, a base metal layer disposed on the electron emission material main body, and a thermal electron emission layer disposed on the base metal layer.

Electron emission material and electron emission panel having the same

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Suwon-si, South Korea

Jong-Hwan Park