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    • 31. 发明公开
    • 강유전 액정 소자의 액정 배향 방법
    • 用于调节液晶分子的光轴的电磁LCD装置的LC对准方法
    • KR1020050007113A
    • 2005-01-17
    • KR1020040027772
    • 2004-04-22
    • 삼성전자주식회사
    • 김창주왕종민
    • G02F1/137
    • G02F1/133784G02F1/141
    • PURPOSE: An LC alignment method of a ferroelectric LCD device is provided to minimize difference between an optical axis of liquid crystal and a buffing axis freely by applying alternating current electric fields in the square wave to the LC in a temperature range for phase transition, thereby improving a contrast ratio in view of polarization. CONSTITUTION: In an LC alignment method of a ferroelectric LCD device, an optical axis direction of liquid crystal molecules is adjusted by applying alternating current electric field to a temperature region for phase transition from N* to SmC* during the alignment of ferroelectric liquid crystal. The ferroelectric liquid crystal is to be CDR(Continuous Director Rotation) FLC(Ferroelectric Liquid Crystal). Preferably, the temperature region for phase transition is in the range of a phase transition temperature ±2°C, for example, about 72°C. The alternating current electric field has a square waveform with a frequency from 1Hz to 10Hz and a voltage intensity from 1V to 10V. The optical axis direction is approximate within 2°around a buffing axis at a driving temperature region. The optical axis direction is coincident with an edge of a panel at the driving temperature region. The driving temperature region has a temperature of 4 0°C. The ferroelectric LCD device includes an upper substrate of ITO, and a lower substrate of Si with Al electrodes.
    • 目的:提供铁电LCD器件的LC对准方法,通过在相变温度范围内将方波中的交流电场自由地最小化,使液晶光轴与抛光轴之间的差异最小化, 改善极化对比度。 构成:在铁电LCD器件的LC取向方法中,通过在铁电液晶取向期间将交流电场施加到用于从N *到SmC *的相变的温度区域来调节液晶分子的光轴方向。 铁电液晶是CDR(连续导向旋转)FLC(铁电液晶)。 优选地,相变温度区域在相变温度±2℃,例如约72℃的范围内。 交流电场具有频率从1Hz到10Hz,电压强度从1V到10V的方波。 光轴方向在驱动温度区域周围的抛光轴附近约2°。 光轴方向在驱动温度区域与面板的边缘重合。 驱动温度区域的温度为40℃。 铁电LCD器件包括ITO的上基板和具有Al电极的Si的下基板。
    • 32. 发明授权
    • 강유전성 액정 표시소자의 제조방법
    • 강유전성액정표시소자의제조방법
    • KR100412482B1
    • 2003-12-31
    • KR1020010027272
    • 2001-05-18
    • 삼성전자주식회사
    • 왕종민
    • G02F1/141
    • G02F1/141
    • A method of fabricating a ferroelectric liquid crystal display (FLCD), including: forming a lower structure and an upper structure, each having a substrate, an electrode layer, and an alignment film which are sequentially formed; forming a cell between the lower and upper structures; bonding the lower and upper structures together; injecting ferroelectric liquid crystal into the cell and then sealing the cell; and applying an AC potential of a desired frequency to the electrode layers, while dropping a temperature of the ferroelectric liquid crystal, so that a phase the ferroelectric liquid crystal is transformed corresponding to a bookshelf structure. In the FLCD, it is possible to perform AC driving of the liquid crystal layer having the micro-domain of the bookshelf structure and to have a wider visual angle and a clear white and black state.
    • 一种制造铁电液晶显示器(FLCD)的方法,包括:形成下部结构和上部结构,每个下部结构和上部结构具有顺序形成的衬底,电极层和取向膜; 在下部结构和上部结构之间形成单元; 将下部结构和上部结构接合在一起; 将铁电液晶注入电池中,然后密封电池; 并且在降低铁电液晶的温度的同时,向电极层施加期望频率的AC电势,使得铁电液晶的相位相应于书架结构而转变。 在FLCD中,可以对具有书架结构的微域的液晶层进行AC驱动,并且具有更宽的视角和清晰的白黑状态。
    • 33. 发明公开
    • 강유전성 액정 패널의 배향 시스템 및 이를 이용한 배향방법
    • 电磁液晶面板的对准系统及其对准方法
    • KR1020030072710A
    • 2003-09-19
    • KR1020020011872
    • 2002-03-06
    • 삼성전자주식회사
    • 김창주왕종민
    • G02F1/1337
    • PURPOSE: An alignment system of a ferroelectric liquid crystal panel and an alignment method using the system are provided to improve an LCD panel driving circuit so as to easily restore an alignment state of liquid crystal to the original state when alignment of liquid crystal varies according to external factors after a module processor is finished. CONSTITUTION: A liquid crystal alignment system includes a display device having a liquid crystal display panel(40) and a driving board(70) for driving the liquid crystal display panel and an image generator(80) connected to the driving board. The system further includes a common voltage applying terminal connected to an upper glass of the liquid crystal panel. The common voltage applying terminal is located at an area surrounding the driving board and composed of the first and second common terminals and the third common terminal arranged between the first and second common terminals. The system also has a switch for selecting one of the first and second common terminals together with the third common terminal all the time.
    • 目的:提供一种铁电液晶面板的对准系统和使用该系统的对准方法,以改善LCD面板驱动电路,以便当液晶的取向根据以下情况而变化时,容易将液晶的取向状态恢复到原始状态 模块处理器完成后的外部因素。 构成:液晶对准系统包括具有用于驱动液晶显示面板的液晶显示面板(40)和驱动板(70)的显示装置和与驱动板连接的图像发生器(80)。 该系统还包括连接到液晶面板的上玻璃的公共电压施加端子。 公共电压施加端子位于驱动板周围的区域,由第一和第二公共端子和布置在第一和第二公共端子之间的第三公共端子构成。 该系统还具有用于一直选择第一和第二公共端子之一以及第三公共端子的开关。
    • 34. 发明公开
    • 액정 표시 장치
    • 液晶显示装置
    • KR1020030001890A
    • 2003-01-08
    • KR1020010037757
    • 2001-06-28
    • 삼성전자주식회사
    • 김희섭왕종민
    • G02F1/1337
    • G02F1/1337G02F1/133707G02F1/1396
    • PURPOSE: A liquid crystal display device is provided to prevent the generation of after-images due to the interfacial polarization by selecting the alignment films and the liquid crystal material for the combination of the dielectric constants and the conductivity thereof. CONSTITUTION: A liquid crystal display device includes two substrates(10,100) separated from each other by a predetermined distance and facing to each other, common and pixel electrodes(60,30) respectively formed to the first and second substrates, upper and lower alignment films(70) respectively formed on the common and pixel electrodes, liquid crystal material(700) implanted between the upper and lower alignment films, and spacers for keeping the distance between the substrates, wherein (ε1xσ2)÷(ε2xσ1) is in the range of 0.1 to 10, wherein ε1 is a dielectric constant of the alignment films, σ1 is a conductivity of the alignment films, ε2 is a dielectric constant of the liquid crystal material, and σ2 is the conductivity of the liquid crystal material.
    • 目的:提供一种液晶显示装置,用于通过选择介电常数及其导电性组合的取向膜和液晶材料来防止由界面极化引起的后图像的产生。 构成:液晶显示装置包括彼此分离预定距离并彼此面对的两个基板(10,100),分别形成在第一和第二基板上的公共和像素电极(60,30),上取向膜和下取向膜 (70)分别形成在公共和像素电极上,注入在上取向膜和下取向膜之间的液晶材料(700)和用于保持基板之间的距离的间隔物,其中(ε1xσ2)÷(ε2xσ1)在 0.1〜10,其中ε1是取向膜的介电常数,σ1是取向膜的导电率,ε2是液晶材料的介电常数,σ2是液晶材料的导电率。
    • 36. 发明授权
    • 강유전성 액정 패널의 배향 시스템 및 이를 이용한 배향방법
    • 铁电液晶面板对准系统及其对准方法
    • KR100813251B1
    • 2008-03-13
    • KR1020020011872
    • 2002-03-06
    • 삼성전자주식회사
    • 김창주왕종민
    • G02F1/1337
    • 강유전성 액정 패널의 배향 시스템 및 이를 이용한 배향 방법에 관해 개시되어 있다. 개시된 강유전성 액정 배향 시스템은 액정 패널과 이의 구동을 위한 구동 보드(driving board)가 구비된 디스플레이 장치와 상기 구동 보드와 연결되는 화상생성장치를 구비하는 액정 배향 시스템에 있어서, 상기 구동보드 외측에 상기 액정 패널의 상부 글라스에 연결되는 공통전압 인가단자를 구비하되, 상기 공통전압 인가단자는 제1 및 제2 공통단자와 상기 제1 및 제2 공통단자사이에 구비되어 상기 제1 및 제2 공통단자와 함께 사용되는 제3 공통단자로 구성되어 있고, 상기 제1 및 제2 공통단자 중 어느 하나가 항상 상기 제3 공통단자와 함께 선택될 수 있게 하는 스위치 수단을 구비한다. 이러한 본 발명을 이용하면, (F)LCD 제품을 분해하지 않고도 간단한 방법으로 배향이 달라진 액정의 배향 상태를 정상 상태로 복원할 수 있다. 결국, 액정 패널을 포함하는 장치의 토러런스는 크게 증가되고 고객에게는 액정 제품의 사후 서비스(A/S)라는 새로운 개념을 인지시킬수 있어서 제품의 신뢰성을 향상시킬 수 있다.
    • 38. 发明公开
    • 균일한 광분포를 얻기 위한 광방출기 및 상기 광방출기를이용한 백라이트 유닛
    • 用于实现均匀光分布的发光装置和使用发光装置的背光单元
    • KR1020060115124A
    • 2006-11-08
    • KR1020050037470
    • 2005-05-04
    • 삼성전자주식회사
    • 노지환왕종민
    • G02F1/13357
    • H01L33/60F21K9/68G02F1/133603G02F1/133605H01L33/54
    • A light emitter and a backlight unit using the light emitter are provided to uniformly emit the light within a predetermined region and effectively remove motion blur defect, which is a serious problem of the conventional LCD. A light emitter comprises a light reflecting member(31), a light transmitting member(35), and a point light source(34). A light emitting surface of the light transmitting member, through which the light incident from the point light source is emitted, includes a flat type directly emitting surface(33) and a curve type totally reflecting surface(32). The directly emitting surface faces the point light source, and directly passes the light emitted from the point light source to the outside of the light transmitting member. The totally reflecting surface is formed around the directly emitting surface. The totally reflecting surface totally reflects the light emitted from the point light source to the light reflecting member, and passes the light reflected by the light reflecting member to the outside of the light transmitting member.
    • 提供使用光发射器的光发射器和背光单元以均匀地发射预定区域内的光并且有效地消除作为传统LCD的严重问题的运动模糊缺陷。 光发射器包括光反射部件(31),透光部件(35)和点光源(34)。 从点光源入射的光通过该发光部件的发光面包括平坦型直接发光面33和曲线型全反射面32。 直接发射表面面向点光源,并且将从点光源发射的光直接传递到透光构件的外部。 全反射表面形成在直射发射表面周围。 全反射表面将从点光源发射的光全反射到光反射部件,并将由光反射部件反射的光通过到透光部件的外部。