Lg Electronics Inc.

Samsung Electronics Co., Ltd.

Samsung Display Co., Ltd.

Sk on Co., Ltd.

Samsung Sdi Co., Inc.

Korea Electronics Technology Institute

Kumoh National Institute of Technology

Hansu Kim

Gwi Ok Park

Joon-Sup Kim

Eunjun Park

Donghan Youn

Dong Jae Chung

Minseok Kim

Kangjae Jung

Sungjung Rho

Youngbae Kwon

Sanggun Choi

Changwon Yun

Taewoon Cha

Hyoungwook Lim

Minsoo Kim

Hyeonjin Shin

Myung-dong Cho

Seung-Yeon Chae

Yunmo Kang

Suk Chin Lee

Duckyun Kim

Jeongbae Yoon

Hayong Kim

Kyoungwon Jeon

Sang Yoon Lee

Sangwoo Kim

Youngjun Kim

Hyuneok Shin

Jaeman Choi

Dongmin Lee

Gue-sung Kim

Jaeyoung Choi

Juhyun Lee

Boris Aleksandrovich Trofimov

Jeongkuk Shon

Sehee Han

Moonseok Kwon

Seonmi Yoon

Jaichul Kim

Jiman Kim

Jeonghyuk Yoon

Hyunsuk Yang

Ha-Young Park

Chanwoo Yang

Dukhyun Choi

Duckmoon Shin

Sanghee Nam

Goojin Jeong

Chanho Pak

Hyo-Sug Lee

Aram Lee

Hyoyoung Han

Jungjae Yun

Jungeun Song

Jungyeoul Ju

Hyungwook Kang

Soosung Kong

Juhye Song

Provided are a negative electrode active material which includes negative electrode active material particles which includes a silicon oxide (SiO, 0<x≤2); and at least one lithium silicate selected from LiSiO, LiSiO, and LiSiOin at least a part of the silicon oxide. A signal generated in a region of 200 to 600 cmaccording to a Raman spectrum is subjected to deconvolution into three peaks, which are set to peak A, peak B, and peak C from lowest to highest of an absolute value of a wavenumber. Also disclosed are a method of preparing the same, and a negative electrode and a lithium secondary battery including the negative electrode active material.

Lithium-doped silicon-based oxide negative electrode active material, method of preparing the same, and negative electrode and secondary battery including the same

Provided are a negative electrode active material which includes negative electrode active material particles which includes a silicon oxide (SiO, 0<x≤2); and at least one lithium silicate selected from LiSiO, LiSiO, and LiSiOin at least a part of the silicon oxide. The negative electrode active material particles have a maximum peak position by a Raman spectrum of more than 460 cmand less than 500 cm. Also provided are a method of preparing the same, and a negative electrode and a lithium secondary battery including the negative electrode active material.

Provided are a negative electrode active material which includes a negative electrode active material particles which includes a silicon oxide (SiO, 0<x≤2); and at least one lithium silicate selected from LiSiO, LiSiO, and LiSiOin at least a part of the silicon oxide. The negative electrode active material has a content of a nitrogen element according to X-ray photoelectron spectroscopy (XPS) of 1.45 atom % or less. Also provided are a negative electrode and a lithium secondary battery including the same.

A mobile terminal includes a window including a transparent region and an opaque region surrounding the transparent region, a metal case provided below the window to accommodate the window, having a rear surface portion facing the window and a side surface portion formed to extend from the rear surface portion toward a front surface, and exposed outwardly, a non-metal member formed in a region formed by cut away a portion of the case and having a slot formation portion spaced apart from the side surface portion at a predetermined interval and a pair of sectioning portions extending from the slot formation portion and traversing the side surface portion to section the side surface portion into first to third members, and first to third antenna patterns formed in the opaque region and electrically connected to the first to third members to form first and third antennas, respectively.

Mobile terminal

A display apparatus includes a display panel and a sensor structure disposed on the display panel. The sensor structure includes a sensing electrode and a connection line connected to the sensing electrode. At least one of the sensing electrode and the connection line includes a conductive pattern layer. The conductive patter layer includes a base part, protrusions randomly disposed on the base part and protruding from the base part, and holes randomly defined in the base part.

Display apparatus including conductive layer having flexibility

The present invention relates to a negative electrode for a lithium secondary battery that can ensure a high energy density, a long-life characteristic, and stability by forming a film on a negative electrode for a lithium secondary battery and thus suppressing dendrites during electrodeposition, a method of manufacturing the same, and a lithium secondary battery using the same. The method of manufacturing the negative electrode for a lithium secondary battery according to the present invention includes preparing a sulfur dioxide-based sodium molten salt and forming a protective layer on the surface of a current collector by immersing the current collector in the sulfur dioxide-based sodium molten salt.

Negative electrode for lithium secondary battery, method of manufacturing the same and lithium secondary battery using the same

A display apparatus includes a number of pixels. Each pixel includes a substrate including a pixel area and a non-pixel area disposed between adjacent pixel areas, a first electrode disposed on the substrate in the pixel area, and a second electrode extending in a first direction and being spaced apart upward from the substrate by a predetermined distance in the pixel area defining a tunnel-shaped cavity, an image display layer disposed in the tunnel-shaped cavity and driven by an electric field formed between the first electrode and the second electrode, a roof layer disposed on the second electrode, and a sealing layer extending in the first direction, having a black color, and being disposed in the non-pixel area between adjacent pixel areas in a second direction crossing the first direction to seal the tunnel-shaped cavity.

Display apparatus and method of manufacturing the same

Disclosed is a mobile terminal, comprising: a display; a metal frame coupled to a rear surface of the display by an adhesive tape, and having a screw-coupling groove on a rear surface thereof; a front case coupled to the rear surface of the metal frame, and having a screw-coupling hole; a screw inserted into the screw-coupling groove and the screw-coupling hole on a rear surface of the front case; and a rear case coupled to the front case, and configured to cover the rear surface of the metal frame. Under such configuration, the rear surface of the display is coupled to the case. Accordingly, the size of a bezel portion disposed on a side surface of the mobile terminal can be prevented from increasing, and a display panel can be easily separated from the front case.

A display device is provided that includes a transparent display unit, a setting unit that sets transparency of a first screen that is output in the foreground to the transparent display unit, and a controller that determines transparency of a background object that is seen through the transparent display unit, based on the transparency of the first screen that is set, such that the transparency of at least one of the background object and at least one region of the first screen is changed, based on a detected event that is associated with transparency control of the transparent display unit.

Display device and method of controlling the same

A display apparatus includes a substrate that includes a plurality of pixel areas, a display area including first and second non-pixel areas extending to cross each other, and a non-display area adjacent to the display area, a plurality of first electrodes on the substrate in the pixel areas, a plurality of second electrodes extending in a first direction and upwardly spaced apart from the substrate in the pixel areas to form first tunnel-shaped cavities, an image display area in each of the first tunnel-shaped cavities, and a plurality of dummy electrodes in first cross areas defined by an intersection of the first and second non-pixel areas adjacent to boundaries of the display area in the first direction. The dummy electrodes are upwardly spaced apart from the substrate in the first cross areas by a predetermined distance to form dummy tunnel-shaped cavities.

Disclosed is a terminal and corresponding control method, one embodiment of the terminal including a display unit; a wireless communication unit configured to form a network with at least one external terminal; and a controller configured to set up at least two second display regions displayed on a first display region of the external terminal, and control the wireless communication unit to transmit information corresponding to the second display regions to the external terminal.

Terminal and contents sharing method for terminal

A mobile terminal and an operating method of the mobile terminal are provided. The operating method includes connecting the mobile terminal to a sharing device so as to be able to communicate with the sharing device, the sharing device displaying a shared screen; downloading multiplayer game programs from the sharing device; and displaying a personal screen on a display module of the mobile terminal and running a multiplayer game together with another mobile terminal by using the personal screen and the shared screen while exchanging data with the sharing device. Therefore, it is possible for the mobile terminal to effectively run the multiplayer game together with the other mobile terminal by using the personal screen and the shared screen.

Mobile terminal capable of providing multiplayer game and operating method of the mobile terminal

A secondary battery with improved flexibility. The secondary battery includes: a substrate; a first electrode collector integrally formed with the substrate as one body; a first electrode material mixture layer; an electrolyte layer; a second electrode material mixture layer; and a second electrode collector having a metallic mesh structure integrally formed with the second electrode material mixture layer as one body, wherein the first electrode material mixture layer, the electrolyte layer, and the second electrode material mixture layer are sequentially formed on the first electrode collector in this order.

Secondary battery having improved flexibility

An apparatus for storing energy may include: a plurality of nanowire cells electrically connected to each other; and a storage for storing electrical energy generated from the nanowire cells. Each of the plurality of nanowire cells may include: first and second electrodes disposed at an interval; and a nanowire, which is disposed between the first and the second electrodes and made of a piezoelectric material. The plurality of nanowire cells may be electrically connected, so that voltage or current may be increased. Therefore, wireless recharging of the storage connected to the nanowire cells with electrical energy may be enabled.

Apparatus for storing energy and method for manufacturing the same

Growing community of inventors

Seoul, South Korea

Hansu Kim