Samyang Corporation

Other

Lg Energy Solution, Ltd.

Sung Hwan Cho

Jae Hyun Kim

Sei Woon Oh

Sun Mi Kim

Jae Hwan Lee

Ui Gab Joung

Soo Hyun Lim

Sun Hwak Woo

Kyung Moo Shin

Yun Ju Chang

Hyung Jin Roh

Jinseo Park

Soo-Hyun Lim

Whan Gi Kim

Dong Wan Seo

Young Wook Suh

Byung Ho Lim

A rechargeable battery includes an electrode assembly; a case having a sealing portion surrounding the electrode assembly; and a lead electrically connected to the electrode assembly and extending in a first direction, wherein the lead includes a first region in contact with the electrode assembly and located inside the case; a second region exposed to an outside of the case; and a third region located between the first region and the second region and overlapping the sealing portion of the case, wherein the third region has a width greater than that of the first region and the second region in a second direction and has a thickness smaller than that of the first region and the second region in a third direction, and wherein the second direction is perpendicular to the first direction, and the third direction is perpendicular to the first direction and the second direction.

Rechargeable battery

Provided are a hydroxy-terminated siloxane, a polysiloxane-polycarbonate copolymer including same as a repeating unit, and a preparation method thereof. The hydroxyl-terminated siloxane has the structure of chemical formula 1.

Hydroxy-terminated siloxane, polysiloxane-polycarbonate copolymer, and preparation method thereof

The present invention relates to a polyester resin prepared by adding an anti-hydrolysis agent to a reactant comprising an acid selected from an alkylester of aromatic dibasic acid or a mixture of an alkylester of aromatic dibasic acid and an alkylester of aliphatic dibasic acid, an aromatic diol and an aliphatic diol; and a toner produced by using the same as a binder resin.

Polyester resin and toner comprising same

A continuous process for the preparation of copolycarbonate resins has great advantages in preparing molding materials of intricate structure or of thin-wall: the molding process may be conducted easily at a relatively low temperature; the copolycarbonate has excellent impact strength especially at a low temperature; and they have excellent melt flow, i.e. 2 to 3 times of the conventional polycarbonates. The present invention is a new polycondensation process which is carried out sequentially by using serially connected tube-type reactors to simplify the process; and enhancing the rate of reaction for an incorporation of comonomer into the polymer backbone resulting from varying Reynols Number, Linear Viscosity and Weber Number.

Continuous process for the preparation of copolycarbonate resins

Disclosed is a ring light guide device for a camera. The ring light guide device comprises a housing having an adaptor inserting hole which is formed therethrough at a side thereof in a manner such that the adaptor inserting hole has an axis which is coaxial with a center axis of a lens of the camera, the housing being detachably coupled on a rear surface thereof with a camera fitting adaptor by the fact that the camera fitting adaptor is inserted into the adaptor inserting hole, light receiving section installed opposite to a light source of the camera, for receiving light which is emitted from the light source; light path changing section for changing a path of light received by the light receiving section in a manner such that the light is irradiated toward an object in a direction which is substantially parallel to the center axis of the lens of the camera; and irradiation adjusting section for adjusting an amount of light which is irradiated to the object, depending upon a camera-to-object distance.

Ring light guide device for camera

Growing community of inventors

Daejeon, South Korea

Sung Hwan Cho