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1. KR1020120101461 - TN형 액정소자 및 그 제조방법

官庁 大韓民国
出願番号 1020127015978
出願日 20.12.2010
公開番号 1020120101461
公開日 13.09.2012
特許番号 1017447680000
特許付与日 08.06.2017
公報種別 B1
IPC
G02F 1/139
G物理学
02光学
F光の強度,色,位相,偏光または方向の制御,例.スイッチング,ゲーテイング,変調または復調のための装置または配置の媒体の光学的性質の変化により,光学的作用が変化する装置または配置;そのための技法または手順;周波数変換;非線形光学;光学的論理素子;光学的アナログ/デジタル変換器
1独立の光源から到達する光の強度,色,位相,偏光または方向の制御のための装置または配置,例.スィッチング,ゲーテイングまたは変調;非線形光学
01強度,位相,偏光または色の制御のためのもの
13液晶に基づいたもの,例.単一の液晶表示セル
137電気光学または磁気光学効果,例.外場誘起相転移,配向効果,ゲスト-ホスト相互作用または動的散乱,によって特徴づけられたもの
139液晶が透明性のままである配向効果に基づくもの
G02F 1/1337
G物理学
02光学
F光の強度,色,位相,偏光または方向の制御,例.スイッチング,ゲーテイング,変調または復調のための装置または配置の媒体の光学的性質の変化により,光学的作用が変化する装置または配置;そのための技法または手順;周波数変換;非線形光学;光学的論理素子;光学的アナログ/デジタル変換器
1独立の光源から到達する光の強度,色,位相,偏光または方向の制御のための装置または配置,例.スィッチング,ゲーテイングまたは変調;非線形光学
01強度,位相,偏光または色の制御のためのもの
13液晶に基づいたもの,例.単一の液晶表示セル
133構造配置;液晶セルの作動;回路配置
1333構造配置
1337液晶分子の界面による配向,例.配向層
CPC
G02F 1/1397
GPHYSICS
02OPTICS
FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
1Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating, or modulating; Non-linear optics
01for the control of the intensity, phase, polarisation or colour 
13based on liquid crystals, e.g. single liquid crystal display cells
137characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
139based on orientation effects in which the liquid crystal remains transparent
1396the liquid crystal being selectively controlled between a twisted state and a non-twisted state, e.g. TN-LC cell
1397the twist being substantially higher than 90°, e.g. STN-, SBE-, OMI-LC cells
G02F 1/13378
GPHYSICS
02OPTICS
FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
1Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating, or modulating; Non-linear optics
01for the control of the intensity, phase, polarisation or colour 
13based on liquid crystals, e.g. single liquid crystal display cells
133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
1333Constructional arrangements; ; Manufacturing methods
1337Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
13378by treatment of the surface, e.g. embossing, rubbing, light irradiation
G02F 2001/1398
GPHYSICS
02OPTICS
FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
1Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating, or modulating; Non-linear optics
01for the control of the intensity, phase, polarisation or colour 
13based on liquid crystals, e.g. single liquid crystal display cells
137characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
139based on orientation effects in which the liquid crystal remains transparent
1396the liquid crystal being selectively controlled between a twisted state and a non-twisted state, e.g. TN-LC cell
1398the twist being below 90°C
G02F 1/133703
GPHYSICS
02OPTICS
FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
1Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating, or modulating; Non-linear optics
01for the control of the intensity, phase, polarisation or colour 
13based on liquid crystals, e.g. single liquid crystal display cells
133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
1333Constructional arrangements; ; Manufacturing methods
1337Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
133703by introducing organic surfactant additives into the liquid crystal material
出願人 도쿄 유니버시티 오브 사이언스 에듀케이셔널 파운데이션 애드미니스트레이티브 오거니제이션
도쿄 유니버시티 오브 사이언스 에듀케이셔널 파운데이션 애드미니스트레이티브 오거니제이션
発明者 타카토, 코키
아키모토, 미츠히로
타카토, 코키
시노하라, 카즈야
아키모토, 미츠히로
시노하라, 카즈야
代理人 특허법인이지
특허법인이지
優先権情報 JP-P-2009-294992 25.12.2009 JP
発明の名称
(KO) TN형 액정소자 및 그 제조방법
要約
(KO)
TN형 액정 상태로서 안정적이며, 또한 전압 무인가(無印加)가 되었을 때의 응답 속도가 고속화된 TN형 액정소자 및 그 제조방법을 제공한다. 본 발명에 따른 TN형 액정소자는, 거의 평행으로 배치되며 적어도 하나가 투명한 한 쌍의 기판과, 한 쌍의 기판의 대향면에 설치되며 액정 재료 중의 액정 분자가 동일 방향을 향하도록 표면에 배향 처리가 된 한 쌍의 배향막과, 한 쌍의 배향막 사이에 배치된 액정 재료 및 카이랄제를 포함하는 액정층, 을 포함하고, 한 쌍의 배향막의 배향 처리 방향이 이루는 각 α가 70 ~ 110도이고, 동시에 그 배향 처리 방향은, 액정층이 상기 이루는 각 α만큼 비틀어져 있는 경우에 유니폼 트위스트 구조를 형성하는 방향이며, 무전계(無電界) 상태에서 안정한 비틀림각 α+180(도)의 STN형 액정이 비틀림각 α(도)의 TN형 액정으로서 고분자 안정화되어 있다.