Samsung Electronics Co., Ltd.

Samsung Display Co., Ltd.

Korea Electrotechnology Research Institute

Other

Cheil Industries Inc.

Jong Hwan Park

Sung Young Yun

Yeong Suk Choi

Kook Hyun Choi

Dae Cheol Kim

In Sun Park

Joong Tark Han

Geon Woong Lee

Hee Jin Jeong

Seung Yol Jeong

Seon Hee Seo

Soo Yeon Jeong

Dong Woo Kim

Dong Hoon Lee

Dong Wook Kim

Sung Jin Hong

Hyun Seo Park

Jung Yeon Hwang

Jae Hak Lee

Dal-Ho Huh

Hyung Rang Moon

Tae-Chul Jung

Soo Sang Yang

In Woo Kim

Yang Hee Kim

Eun Je Jang

Jin Min Cheon

Yong Tae Cho

Seung Hoon Shin

Weon Il Jin

Do Hyun Jung

Maeng Hee Sung

Yeon Ji Chung

Yeon Ju Seo

Chang Woo Kwon

Jong In Lim

Soo Ghang Ihn

Ick Jun Kim

Sun Hye Yang

Baeeun Jung

Young Min Nam

Hye Jung Lee

Mun Soo Park

Jung Hoon Kim

Joon Young Cho

Heejean Kim

Kyu Young Ohoi

The present invention relates to a high heat-resistant graphene oxide, a method of manufacturing conductive graphene fiber from the same, and conductive graphene fiber manufactured by the method. The technical gist of the present invention is to provide high heat-resistant graphene oxide not having an oxygen-containing functional group such as a lactol group or a carboxyl group on the surface but having an oxygen-containing functional group such as an epoxy group or a hydroxyl group on the surface, thereby exhibiting thermal resistance and stability. In addition, the technical gist is also to provide a method of manufacturing conductive graphene fiber from the high heat-resistant graphene oxide and conductive graphene fiber manufactured by the method.

High heat-resistant graphene oxide, method for manufacturing conductive graphene fiber by using same, and conductive graphene fiber manufactured therefrom

A display device includes a conductive pattern on a substrate, a via layer on the conductive pattern with a via hole exposing the conductive pattern, a first electrode and a second electrode on the via layer and spaced apart from each other, a first insulating layer on the first electrode and the second electrode, a bank layer on the first insulating layer defining an emission area and a subarea, a light-emitting element on the first insulating layer, and a first connection electrode and a second connection electrode on the first insulating layer and the light-emitting element. The first connection electrode electrically contacts an end of the light-emitting element, and the second connection electrode electrically contacts another end of the light-emitting element. The bank layer includes a bank extension portion extended to the subarea and the bank extension portion overlaps at least a portion of the via hole.

Display device and method of manufacturing the same

Some embodiments of the present disclosure provide a display device including a base layer, a first electrode and a second electrode extending along a first direction on the base layer, and spaced apart from each other in a second direction crossing the first direction, and light emitting elements at least partially overlapping the first electrode and at least partially overlapping the second electrode, wherein at least one of the first electrode and the second electrode includes a concavo-convex portion in which at least a portion of one of the light emitting elements overlaps with respect to a third direction that is perpendicular to the first direction and to the second direction.

Display device

A display device of the present disclosure comprises pixels arranged in a display, a data accumulator for accumulating first image data for an N-th frame output through the display, a data receiver for receiving second image data for an (N+1)th frame to be output through the display, and an afterimage controller for correcting a current value corresponding to a grayscale value of the second image data through a convolution operation between a filter, which is set based on the first image data, and the second image data.

Display device and method for driving the same

The present invention relates to a reduced-graphene-oxide/silicon-metal-particle composite, a method of manufacturing the composite and an electrode for a secondary battery including the composite. The method of manufacturing the reduced-graphene-oxide/silicon-metal-particle composite includes preparing a reduced-graphene-oxide dispersion solution by reducing graphene oxide formed through cation-pi interaction, preparing a reduced-graphene-oxide/silicon-metal-particle dispersion solution by mixing the reduced-graphene-oxide dispersion solution with silicon metal particles, and manufacturing a composite powder having a core-shell structure by drying the reduced-graphene-oxide/silicon-metal-particle dispersion solution. Thereby, reduced graphene oxide can be formed using the graphene oxide dispersion solution having few defects and high purity obtained through cation-pi interaction, and dried to afford a composite powder having a core-shell structure, which is applicable to an electrode for a secondary battery.

Reduced graphene oxide-silicon metal particle complex, complex manufacturing method, and secondary battery electrode comprising complex

A solar cell includes an active layer between a first electrode and a second electrode, and a transport layer between the active layer and one of the first or second electrodes. A plurality of nanoparticles are included in at least one of the active layer or the transport layer. The nanoparticles may have the same or different shapes or sizes and may be spaced differently based on location. The nanoparticles may be made of metal or a different material and the active layer may be made from an organic photovoltaic material.

Organic solar cell and manufacturing method thereof

There is provided a liquid crystal display including: a first substrate including a display area displaying an image and a peripheral area surrounding the display area; a data line disposed on the first substrate in the display area and including a source electrode; a first gate insulating layer disposed at a portion except for the portion where the data line is disposed on the first substrate; a semiconductor layer disposed on the source electrode; a drain electrode disposed on the semiconductor layer; a gate line disposed on the first gate insulating layer in the display area and including a gate electrode; and a second gate insulating layer disposed between the gate electrode on the first gate insulating layer and the semiconductor layer, in which the gate line and the data line extend in the same direction to each other.

Liquid crystal display

A liquid crystal display includes a first substrate that includes a first switching element and first electric field forming electrodes that form a first electric field based on on/off signals received from the first switching element, a second substrate which faces the first substrate and that includes a second switching element and second electric field forming electrodes that form a second electric field b on/off signals received from the second switching element, and a liquid crystal layer interposed between the first substrate and the second substrate, wherein the liquid crystal layer includes a first electric field area controlled by the first substrate in which the first electric field is formed, and a second electric field area controlled by the second substrate in which the second electric field is formed, and wherein the first electric field area and the second electric field area are arranged side by side.

An organic solar cell includes a first sub-cell including a first active layer and a second sub-cell including a second active layer, wherein at least one of the first active layer and the second active layer includes at least two types of electron acceptors having different light absorbance from each other.

Organic solar cell

A composition for an organic thin film may include a first compound having a linear alkylene oxide moiety and a haloalkyl moiety, and a second compound having conductivity and being capable of controlling a work function.

Composition for organic thin film, organic thin film, and electronic device including the organic thin film

Disclosed are an X-ray imaging system and a positioning method of the same that automatically measure a relative positional relationship between devices. According to an aspect, an X-ray imaging system may include: a movable imaging device having a sensor; one or more beacons; a controller configured to analyze position information recognized by the sensor, to compare a relative position between the imaging device and the one or more beacons and to determine a position of the imaging device based on a positional error; and a drive device configured to move the imaging device to the position determined by the controller.

X-ray imaging system and positioning method of the same

A broadcast encryption method and a broadcast decryption method. The broadcast encryption method includes generating a message encryption key using a public key and a secret key generated by using a Strong Diffie-Hellman tuple; encrypting a message by the message encryption key; and generating a message header using a sum of a plurality of Strong Diffie-Hellman tuples corresponding to an authorized user group. Accordingly, a transmission amount and a storage amount can be reduced when a broadcast encryption message is transmitted.

Broadcast encryption method and broadcast decryption method thereof

The present invention discloses a spring reverberator and an assembling method thereof, in which the spring reverberator comprises: a casing, a driving transducer received in the casing, a pickup transducer received in the casing, and coil springs vibratingly coupled to the driving and pickup transducers. The driving and pickup transducers respectively include a vibration unit and a magnetic core. The vibration unit comprises a support plate including at least one cut-out groove, through which a wire is soldered directly to the support plate. The vibration unit and the magnetic core are prepared in a modular type to be inserted in a sliding manner and fixed in the casing.

Spring reverberator and assembling method thereof

Growing community of inventors

Yongin-si, South Korea

Jong Hwan Park