Samsung Electronics Co., Ltd.

Sk Chemicals Co., Ltd.

Samsung Display Co., Ltd.

Jong-In Lee

Sung-Jin Park

Young-Woong Kim

Seong-Woon Kang

Kyu-Suk Lee

Kwang Sei Oh

Kyung-hoon Cha

Jae-Bong Lim

Hang-Duk Roh

Chang-Hyun Lee

Sung-Soo Kim

Ji-Hoon Kim

Min Soo Kim

Sung-Gi Kim

Jeong Ho Park

Yoo Jin Lee

Seung-Min Lee

Kyung-Hoon Cha

Jong-Whan Cho

Jae-Hoon Jung

Sung-Hyun Kim

Il-Hoon Cha

Young-Sik Yoon

Dong-yun Shin

Sang-Mook Lee

Seung-min Lee

Da-Young Hwang

Yong-Jun Shin

Yong-Ki Park

Jae-il Chung

Han-Seok Kim

Min-Chull Paik

Jae Kyun Park

Soo-Hyun Kim

Jae-won Kim

Chang-Won Jang

Sun-Hee Lee

Won-Choon Choi

Hyun-Jun Cho

Kwang-Woo Park

Hyun Jun Cho

Jae-Min Cha

Shin-ho Chun

Byung-Hui Kim

Chan-Woo Moon

Sung-Su Bae

Suk-Man Yang

Bu-Sub Song

Hyun-Sup Shim

Chong Kwon Pae

Chang-yeol Lee

Myung-Se Lee

Shin-Ho Chun

The present disclosure relates to a method for purifying bis-2-hydroxyethyl terephthalate with high purity and a polyester resin containing the same.

Method for purifying bis-2-hydroxylethyl terephthalate and polyester resin comprising same

The present invention is a composition for liquid crystal polymer synthesis comprising an alicyclic dicarboxylic acid or its derivative (e.g., 1,4-cyclohexanedicarboxylic acid (CHDA)); an aromatic diol (e.g., hydroquinone (HQ)); an aromatic monocarboxylic acid having 7 to 10 carbon atoms and containing a hydroxyl group (e.g., 4-hydroxybenzoic acid, (HBA)); and an aromatic monocarboxylic acid having 11 to 20 carbon atoms and containing a hydroxyl group (e.g., 6-hydroxy-2-naphthalenecarboxylic acid (HNA)), and a liquid crystal polymer for electrical/electronic products, a polymer resin composition, and a molded product using the same.

Composition for liquid crystal polymer synthesis, liquid crystal polymer for electrical/electronic products, polymer resin composition, and molded product using the same

This invention relates to polyamide-10 and a method for preparing the same, and according to this invention, polyamide-10 having superior mechanical and thermal properties can be prepared by preparing polyamide-10 while controlling the condensation polymerization conditions of 10-aminodecanoic acid.

Polyamide-10 having superior mechanical and thermal properties and method for preparation thereof

A method for preparing a polycarbonate ester includes feeding a monomer mixture containing (i) at least one compound selected from the group consisting of compounds of the following Formulae 1 and 3; (ii) a compound of the following Formula 2; and (iii) a 1,4:3,6-dianhydrohexitol to a polycondensation reactor and allowing the monomers and the 1,4:3,6-dianhydrohexitol to react to prepare the polycarbontate ester. The prepared polycarbonate ester has improved mechanical properties including tensile strength and impact strength: 

Polycarbonate ester and preparation method therefor

A bio-based polycarbonate ester resin is environment friendly by not containing a bisphenol, and exhibits excellent heat resistance, transparency, strength, hardness, dimensional stability and chemical resistance. Thus, the bio-based polycarbonate ester resin is suitable for use in an eyeglass frame. In addition, various colors may be painted and coated on during post-processing, a separate additive is not required during a molding process, and processing is undergone at a temperature lower than that for conventional plastic materials for an eyeglass frame, and thus manufacturing costs may be reduced.

Bio-based polycarbonate ester resin for eyeglass frame

A cover window of a flexible display device includes a base substrate including an out-folding area, an in-folding area, and peripheral areas disposed on opposing sides of at least one of the out-folding area and the in-folding area, a first hard coating layer at a top surface of the base substrate, the first hard coating layer having a substantially uniform thickness, and a second hard coating layer at a bottom surface of the base substrate opposite to the top surface, the second hard coating layer having a thickness different from the thickness of the first hard coating layer. A thickness of a first area of the second hard coating layer that overlaps with the out-folding area and the in-folding area of the base substrate is less than a thickness of a second area of the second hard coating layer that overlaps with the peripheral areas of the base substrate.

Cover window of flexible display device and flexible display device having the same

A method for preparing a bio-based polycarbonate ester containing a repeating unit according to Formula 1 which comprises residue of Isosorbide and residue of CHDA (1,4-cyclohexanedicarboxylic acid). The method includes a nucleophilic reaction with phenol to prepare a 1,4-diphenyl-cyclohexanedicarboxylate, followed by a polycarbonate melt polycondensation reaction 

Method for preparing highly transparent and highly heat-resistant polycarbonate ester

A method and an apparatus are provided for performing wireless communication between terminals. An inquiry message is transmitted to a neighboring terminal. An inquiry response message is received from the neighboring terminal. It is determined whether the apparatus overlaps the neighboring terminal. When the apparatus overlaps the neighboring terminal, paging is automatically performed, without intervention of a user of the apparatus, and pairing between the apparatus and the neighboring terminal is established.

Method and apparatus for performing wireless communication between terminals

A protecting cover for an electronic device is provided, the protecting cover including a front cover portion positioned on a front surface of the electronic device, a back cover portion connected with the front cover portion and positioned on a back surface of the electronic device, an auxiliary display unit provided on the front cover portion, and a module configured to control transmission and reception of data and power supply depending on opening and closing of the front cover portion.

Protecting cover for electronic device

An electronic device is provided. The electronic device includes a first antenna, a second antenna, a transmission/reception path unit, a first reception path unit, a second reception path unit including a low noise amplifier (LNA), a signal path selection unit configured to connect each of the first antenna and the second antenna to the transmission/reception path unit, the first reception path unit, or the second reception path unit, and a radio frequency integrated circuit (RFIC) module or a processor including the RFIC module configured to control the signal path selection unit to have a first state in which the first antenna is connected to the transmission/reception path unit and the second antenna is connected to the second reception path unit or control the signal path selection unit to have a second state in which the first antenna is connected to the first reception path unit and the second antenna is connected to the transmission/reception path unit.

Electronic device and antenna control method thereof

A portable terminal provided with a cover is provided. The portable terminal includes a main body including an input/output unit; a cover attachable to and detachable from the main body, and provided with an output unit; a first sensor that detects folding/unfolding of the cover; and a controller that controls an output of the input/output unit or the output unit according to a detection signal of the first sensor.

Portable terminal having cover device

A display apparatus is provided. The display apparatus includes a display section, a communicating section configured to communicate with an external display apparatus, a storage section configured to store a plurality of objects, and a controller configured to display a user interface for selection and combination of the plurality of objects stored in the storage section according to a command of a user to generate a scene of content, and to transmit information relating to the scene to the external display apparatus through the communicating section so that the same image as the scene is displayed in the external display apparatus in real time while the scene is being generated through the user interface.

Independently operated, external display apparatus and control method thereof

A method and apparatus for performing interaction between electronic papers is provided. A first electronic paper recognizes installation of a binder on the first electronic paper. The first electronic paper sets an interaction mode according to the installation of the binder on the first electronic paper. The first electronic paper establishes a communication connection with a second electronic paper on which the binder is also installed. The first electronic paper performs data communication with the second electronic paper according to the interaction mode.

Interaction method between electronic papers, machine-readable storage medium and electronic paper

A printing device for transferring an image representing contents on electronic paper is provided. The printing device includes an electronic paper controller for generating a control signal for transferring the image and outputting the generated control signal to the electronic paper, a touch sensor on a top surface of which the electronic paper is disposed to detect a user input command, a touch sensor controller for outputting a control signal to the touch sensor for driving the touch sensor and receiving the user input command detected by the touch sensor, and a main controller for controlling the electronic paper controller to change an image displayed on the electronic paper according to the user input command input from the touch sensor controller.

Electronic paper and printing device

Growing community of inventors

Gyeonggi-do, South Korea

Jong-In Lee