KR200171874Y1 - Liquid crystal glass - Google Patents

Liquid crystal glass Download PDF

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Publication number
KR200171874Y1
KR200171874Y1 KR2019990021122U KR19990021122U KR200171874Y1 KR 200171874 Y1 KR200171874 Y1 KR 200171874Y1 KR 2019990021122 U KR2019990021122 U KR 2019990021122U KR 19990021122 U KR19990021122 U KR 19990021122U KR 200171874 Y1 KR200171874 Y1 KR 200171874Y1
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South Korea
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liquid crystal
light
glass
polarizing plate
crystal glass
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KR2019990021122U
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Korean (ko)
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은종환
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은종환
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Publication of KR200171874Y1 publication Critical patent/KR200171874Y1/en

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices 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
    • G02F1/01—Devices 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 for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices 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 for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices 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
    • G02F1/01—Devices 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 for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices 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 for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528—Polarisers
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices 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
    • G02F1/01—Devices 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 for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices 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 for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/137—Devices 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 for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G02F1/139—Devices 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 for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
    • G02F1/1396—Devices 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 for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent the liquid crystal being selectively controlled between a twisted state and a non-twisted state, e.g. TN-LC cell
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices 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
    • G02F1/01—Devices 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 for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices 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 for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133302—Rigid substrates, e.g. inorganic substrates

Abstract

본 고안은 액정유리에 관한 것으로, 더욱 상세하게는 투명유리와 액정및 편광판으로 된 액정유리의 내부전극에 전압의 인가 여부에 따라 색상이 변화되는 TN액정의 성질을 이용하여, 외부의 불필요한 입사광은 액정유리에 의해 투과및 차단되고, 편광판으로 굴절 반사되어 강자외선 등의 불필요한 빛으로 부터 시력및 피부를 보호할 수 있으며, 또한 기후와 계절에 따라 외부광의 세기를 인가전압으로 조절하여 광 차단막으로 투과되는 빛의 세기를 간편하고 편리하게 조절할 수 있는 액정유리에 관한 것이다.The present invention relates to a liquid crystal glass, and more particularly, by using the properties of the TN liquid crystal color changes depending on whether the voltage is applied to the internal electrode of the liquid crystal glass of the transparent glass and the liquid crystal and polarizing plate, It is transmitted and blocked by liquid crystal glass, and it is refracted and reflected by polarizing plate to protect eyes and skin from unnecessary light such as strong ultraviolet rays. Also, it adjusts the intensity of external light to applied voltage according to climate and season and transmits it to light blocking film. It relates to a liquid crystal glass that can easily and conveniently adjust the intensity of the light to be.

본 고안에 따르면, 자동차 또는 건물등의 창으로 이용되는 투명재질의 상하유리판이 대향되는 내면상에 전극을 형성하고, 내부에 광학적으로 이방성을 가져 빛이 편광되는 성질을 가진 트위스트 네마틱 액정을 삽입하여 그 양면에 입사된 빛을 굴절하는 편광판을 부착하여 된 액정유리에 광차단막을 형성 또는 제거하고, 편광판의 종류에 따라 다양한 색상의 광 차단막을 가지며, 외부광의 세기에 따라 인가전압을 조절할 수 있는 액정유리가 제공된다.According to the present invention, an electrode is formed on the inner surface of the transparent glass upper and lower glass plates used as windows of automobiles or buildings, and a twisted nematic liquid crystal having optically anisotropy therein is polarized light. The light blocking film is formed or removed on the liquid crystal glass by attaching a polarizing plate that refracts the incident light on both sides thereof, and has a light blocking film of various colors according to the type of polarizing plate, and the applied voltage can be adjusted according to the intensity of external light. Liquid crystal glass is provided.

Description

액정 유리{Liquid crystal glass}Liquid crystal glass

본 고안은 액정유리에 관한 것으로, 더욱 상세하게는 투명유리와 액정및 편광판으로 된 액정유리의 내부전극에 전압의 인가 여부에 따라 색상이 변화되는 트위스트드 네마틱(Twisted Nematic: 이하 'TN'이라 약칭함)액정의 성질을 이용하여, 외부의 불필요한 입사광은 액정유리에 의해 투과및 차단되고, 편광판으로 굴절 반사되어 강자외선 등의 불필요한 빛으로 부터 시력및 피부를 보호할 수 있으며, 또한 기후와 계절에 따라 외부광의 세기를 인가전압으로 조절하여 광 차단막으로 투과되는 빛의 세기를 간편하고 편리하게 조절할 수 있는 액정유리에 관한 것이다.The present invention relates to liquid crystal glass, and more particularly, twisted nematic (TN), in which a color is changed depending on whether a voltage is applied to an internal electrode of a transparent glass, a liquid crystal, and a polarizing plate. By using the property of the liquid crystal, unnecessary incident light from outside is transmitted and blocked by the liquid crystal glass, and it is refracted and reflected by the polarizing plate to protect eyes and skin from unnecessary light such as strong ultraviolet rays. In accordance with the present invention relates to a liquid crystal glass that can easily and conveniently adjust the intensity of light transmitted through the light blocking film by adjusting the intensity of external light to an applied voltage.

종래에 통상적인 유리를 장착한 자동차를 운전할 때에는 외부로 부터 강한 빛이 유리로 직접 투과되어 운전시야를 좁힘에 따라 사고의 위험을 많이 내포하여 왔고, 또한 사람의 피부가 외부로 많이 노출되는 여름철등에는 강한 자외선빛이 그대로 건물의 창문 등을 통하여 사람의 인체에 투과되어 피부손상이 발생되는 등의 많은 문제점이 있었으며, 이를 방지하기 위하여 강한 외부광을 차단하는 썬팅을 자동차의 창문이나 건물의 창문에 부착시켜 사용하여 왔으나, 이는 한번 부착을 하고 나면 겨울철 또는 우천 등으로 외부광이 현저히 감소 되었을 때는 오히려 광차단막으로 인하여 필요한 빛을 공급받지 못하므로서 건물실내의 난방비의 상승및 차량을 운전할 때 운전 시야를 어둡게 하는 등의 많은 문제점이 노출되었고, 또한 차량의 창문에 광 차단막을 코팅하여 널리 사용되고 있어나 이는 현행 교통법규를 어기는 것이므로 차량검사등을 할때마다 썬팅을 제거해야 하는 폐단이 있었다.Conventionally, when driving a vehicle equipped with ordinary glass, strong light from the outside is directly transmitted to the glass, thereby narrowing the driving field, and thus causing a lot of accidents, and in summer, when human skin is exposed to the outside. There is a lot of problems such as strong ultraviolet light is transmitted through the window of the building to the human body, causing skin damage. To prevent this, there is a lot of light to block the strong external light to the window of the car or building It has been used, but once it is attached, when the external light is significantly reduced in winter or rainy weather, it is not supplied with the necessary light due to the light shielding film, so the heating cost in the building is increased and the driving visibility is increased when driving the vehicle. Many problems have been exposed, such as darkening, and also It is widely used in coatings or films which had tinted the evils that must be removed whenever you like because it is against the current traffic regulations for inspection.

본 고안의 목적은 종래의 이와같은 문제점을 해소하기 위한 데 있는 것으로 자동차 또는 건물등의 창으로 이용되는 투명재질의 상하유리판이 대향되는 내면상에 전극을 형성하여 전압의 인가에 따라 광차단막이 형성되고, 내부에 광학적으로 이방성을 가져 빛이 편광되는 성질을 가진 트위스트 네마틱 액정을 삽입하여 그 양면에 입사된 빛을 굴절하는 편광판을 부착하여 된 액정유리를 제공코자 한 데 있는 것이다.The purpose of the present invention is to solve such problems in the related art, and forms an electrode on the inner surface of the transparent glass upper and lower glass plates used as windows of automobiles or buildings to form light blocking films according to the application of voltage. The present invention provides a liquid crystal glass having a polarizing plate that inserts a twisted nematic liquid crystal having optically anisotropy to polarize light and refracts incident light on both sides thereof.

도 1 은 본 고안의 예시 사시도1 is an exemplary perspective view of the present invention

도 2 는 본 고안의 빛의 투과 경로를 예시한 전개 사시도2 is an exploded perspective view illustrating a light transmission path of the present invention

도 3 은 도 2의 전압 인가 전 액정의 분자배열 상태를 도시한 단면도3 is a cross-sectional view illustrating a molecular arrangement state of a liquid crystal before voltage application of FIG. 2;

도 4 는 도 2의 전압 인가 후 액정의 분자배열 상태를 도시한 단면도4 is a cross-sectional view illustrating a molecular arrangement of a liquid crystal after applying the voltage of FIG. 2;

도 5 는 도 2의 미세 전압 인가 후 액정의 분자배열 상태를 도시한 단면도FIG. 5 is a cross-sectional view illustrating a molecular arrangement of a liquid crystal after applying the fine voltage of FIG. 2. FIG.

<도면의 주요부분에 사용된 부호의 설명><Description of the code used in the main part of the drawing>

가: 액정유리Liquid crystal glass

1,1': 투명유리 2,2': 투명전극1,1 ': transparent glass 2,2': transparent electrode

3: TN 액정 4,4': 편광판3: TN liquid crystal 4,4 ': polarizing plate

광학적으로 등방체인 투명재질의 상하 유리판(1,1')이 대향되는 내면상에 투명전극(2,2')을 형성하고, 그 내부에 광학적으로 복굴절의 이방성을 가지며, 분자배열이 90。비틀린 나선형상의 구조로 배향된 트위스트드 네마틱(TN)액정(3)을 삽입하고, 그 상면에 TN 액정(3)의 분자배열 방향과 동일하게 배열시킨 상측 편광판 (4)를 부착하며, 상측 편광판(4)과 90°편광각을 가지는 하측 편광판(4')을 하면에 부착하여서 됨을 특징으로 하는 것이다.A transparent electrode 2,2 'is formed on the inner surface of the optically isotropic transparent glass plates 1 and 1' facing each other, and has optically birefringent anisotropy therein and a 90 ° twisted molecular arrangement. A twisted nematic (TN) liquid crystal (3) oriented in a spiral structure is inserted, and an upper polarizing plate (4) arranged in the same direction as the molecular arrangement direction of the TN liquid crystal (3) is attached to the upper surface thereof, and an upper polarizing plate ( 4) and the lower polarizing plate 4 'having a 90 ° polarization angle are attached to the lower surface thereof.

도면중 미설명 부호 5는 외부 입사광이고, 6은 전압이고, 가는 액정유리다.In the figure, reference numeral 5 denotes external incident light, 6 denotes a voltage, and thin liquid crystal glass.

이와같이 된 본 고안은 겨울철이나 우천시에 외부 입사광(5)을 그대로 흡수하여 자동차 유리 또는 건물의 창문에 사용하려고 할 때 액정유리(가)의 내부전극 (2,2')에 전압(6)인가를 하지 않고, 외부의 입사광(5)이 액정유리(가)에 투사되면 도 3에 나타낸 것과 같이 상측 편광판(4)에 의해 특정 위상각으로 굴절되어 광학적 등방체인 상측 유리판(1)을 통과한 후, 복굴절 이방성을 가진 TN 액정(3)의 분자배열은 상측 편광판(4)의 분자배열과 동일방향으로 되어 외부로 부터 입사되는 입사광(5)은 상측 편광판(4)과 상측 유리판(1), TN 액정(3)을 투과하여 하측 유리판 (1')및 상측 편광판(4)과 90。편광각을 이루는 하측 편광판(4')의 편광된 색상으로 실내로 흡수되므로서 일반적인 유리로서의 역활을 그대로 수행할 수 있다.In this way, the present invention absorbs the external incident light (5) as it is in winter or rainy weather, and applies the voltage (6) to the internal electrodes (2, 2 ') of the liquid crystal glass (A) when it is used for automobile glass or a window of a building. If the external incident light 5 is projected onto the liquid crystal glass A, as shown in FIG. 3, the light is refracted by the upper polarizing plate 4 at a specific phase angle and passes through the upper glass plate 1 which is an optically isotropic body. The molecular arrangement of the TN liquid crystal 3 having birefringence anisotropy is in the same direction as the molecular arrangement of the upper polarizing plate 4, so that the incident light 5 incident from the outside is the upper polarizing plate 4, the upper glass plate 1, and the TN liquid crystal. (3) is absorbed into the room with the polarized color of the lower glass plate (1 ') and the lower polarizer (4') which forms a 90 ° polarization angle with the lower polarizer (4) and the upper polarizer (4). have.

그리고 사람의 피부가 외부로 많이 노출되는 여름철등에는 강한 자외선빛이 그대로 건물의 창문 등을 통하여 사람의 인체에 투과되어 피부손상이 발생되는 불필요한 외부광을 차단 하려고 할 때 액정유리(가)의 내부전극(2,2')에 전압(6)을 인가하고, 외부의 입사광(5)이 액정유리(가)에 투사되면 도 4에 나타낸 것과 같이 상하의 내부전극(2,2')양단에는 인가전압(6)에 의한 전기장이 발생되어 일정영역의 전계를 형성시킴으로서 전극(2,2')내부에 삽입되어 있는 TN 액정(3)의 분자배열이 전계의 형성방향으로 변화되어 상측 편광판(4)에 의해 특정 위상각으로 굴절되어 광학적 등방체인 상측 유리판(1)을 통과한 후, 복굴절 이방성을 가진 TN 액정(3)의 분자배열은 상측 편광판(4)의 분자배열과 이방성이 되어 외부로 부터 입사되는 입사광(5)은 상측 편광판(4)과 상측 유리판(1)을 투과하고, 전계와 동일방향으로 분자배열이 된 TN 액정(3)에 의하여 차단되어 액정유리(가)의 하측 편광판(4')에는 TN 액정(3)의 복굴절로 편광된 색상을 가진 광 차단막을 형성함에 따라 외부의 입사광(5)은 액정유리(가)를 통과하지 못하고, TN 액정(3)의 복굴절로 편광된 색상이 실내에 나타나게 된다.And in the summer, when the human skin is exposed to the outside, strong ultraviolet light is transmitted through the window of the building as it is and tries to block unnecessary external light that causes skin damage. When the voltage 6 is applied to the electrodes 2 and 2 'and the external incident light 5 is projected onto the liquid crystal glass, the applied voltage is applied across the upper and lower internal electrodes 2 and 2' as shown in FIG. By generating an electric field by (6) to form an electric field of a predetermined region, the molecular arrangement of the TN liquid crystal 3 inserted into the electrodes 2, 2 'is changed in the direction of formation of the electric field, and thus the upper polarizing plate 4 After being refracted at a specific phase angle and passing through the upper glass plate 1, which is an optically isotropic body, the molecular arrangement of the TN liquid crystal 3 having birefringence anisotropy is anisotropic with the molecular arrangement of the upper polarizing plate 4 and is incident from the outside. The incident light 5 is imaged with the upper polarizing plate 4. The color polarized by the birefringence of the TN liquid crystal 3 in the lower polarizing plate 4 'of the liquid crystal glass (A) through the glass plate 1 and blocked by the TN liquid crystal 3 that is molecularly aligned in the same direction as the electric field. By forming the light blocking film having the external incident light (5) does not pass through the liquid crystal glass (A), the birefringent color of the TN liquid crystal (3) appears in the room.

또한 외부로 부터 입사되는 입사광(5)은 오전, 오후및 밤,낮에 따라 그 세기가 많이 달라짐에 따라 외부광의 흡수및 차단을 조절하려고 할 때 액정유리(가)의 내부전극(2,2')에 전압(6)을 인가하고, 외부의 입사광(5)이 액정유리(가)에 투사되면 액정유리(가)의 내부전극(2,2')에 인가하는 전압(6)을 조절하여 전기한 바와같이 외부의 입사광(5)은 TN 액정(3)에 의해 차단되지만 도 5에 나타낸 것과 같이 인기전압(6)의 크기에 따라 전계의 세기가 비례하여 발생함으로서 TN 액정(3)의 분자배열이 일정부분 상측 편광판(4)의 분자배열과 같이되어 광 차단막의 농도를 조절할 수 있다.In addition, the incident light (5) incident from the outside is the intensity of the day, afternoon, night, and day vary greatly, and when trying to control the absorption and blocking of the external light, the internal electrode (2,2 ') of the liquid crystal glass (A). Is applied to the internal electrode (2,2 ') of the liquid crystal glass when the external incident light (5) is projected onto the liquid crystal glass. As described above, the external incident light 5 is blocked by the TN liquid crystal 3, but as shown in FIG. 5, the intensity of the electric field is proportionally generated according to the magnitude of the popular voltage 6, thereby arranging the molecules of the TN liquid crystal 3. The concentration of the light blocking film may be adjusted by being aligned with the molecular arrangement of the upper polarizing plate 4 at a certain portion.

이와같이 된 본 고안은 투명유리(1,1')와 액정(3)및 편광판(4,4')으로 된 액정유리(가)의 내부전극(2,2')에 전압(6)의 인가 여부에 따라 액정유리(가)에 광차단막을 형성 또는 제거할 수 있으므로 외부로 부터 입사되는 입사광(5)을 용도에 따라 흡수및 차단하여 불필요한 빛으로 부터 시력및 피부를 보호할 수 있는 잇점이 있고, 외부로 부터 개인 사생활의 침해를 막을 수 있으며, 편광판(4,4')의 종류에 따라 다양한 색상의 광 차단막을 가지는 액정유리(가)를 사용할 수 있으므로 사용자의 개성과 미적 디자인을 높일 수 있고, 또한 기후와 계절에 따라 인가전압(6)을 조절할 수 있으므로 외부광의 세기에 따라 광 차단막으로 흡수및 차단되는 빛의 세기를 간편하고 편리하게 조절할 수 있는 효과가 있다.The present invention has thus been applied whether the voltage 6 is applied to the internal electrodes 2, 2 'of the liquid crystal glass (a) of the transparent glass (1, 1'), the liquid crystal (3) and the polarizing plates (4, 4 '). According to the liquid crystal glass (A) can form or remove the light shielding film, there is an advantage that can protect the eyes and skin from unnecessary light by absorbing and blocking the incident light (5) incident from the outside depending on the use, It can prevent the invasion of personal privacy from the outside, and it is possible to use the liquid crystal glass having a light blocking film of various colors according to the type of polarizers (4,4 '), thereby enhancing the user's personality and aesthetic design, In addition, since the applied voltage (6) can be adjusted according to the climate and season, there is an effect that it is possible to easily and conveniently adjust the intensity of light absorbed and blocked by the light blocking film according to the intensity of external light.

Claims (1)

광학적으로 등방체인 투명재질의 상하 유리판(1,1')이 대향되는 내면상에 투명전극(2,2')을 형성하고, 그 내부에 광학적으로 복굴절 이방성을 가지며, 분자배열이 90。비틀린 나선형상의 구조로 배향된 트위스트드 네마틱(TN)액정(3)을 삽입하고, 그 상면에 TN 액정(3)의 분자배열 방향과 동일하게 배열시킨 상측 편광판(4)를 부착하며, 상측 편광판(4)과 90°편광각을 가지는 하측 편광판(4')을 하면에 부착하여서 됨을 특징으로 하는 액정유리.A transparent electrode (2,2 ') is formed on an inner surface of the upper and lower glass plates (1,1') of an optically isotropic transparent material, and has optically birefringent anisotropy therein, and has a 90 ° twisted molecular arrangement. A twisted nematic (TN) liquid crystal (3) oriented in a phase structure is inserted, and an upper polarizing plate (4) arranged in the same manner as the molecular alignment direction of the TN liquid crystal (3) is attached to the upper surface thereof, and an upper polarizing plate (4) ) And a lower polarizing plate 4 'having a 90 ° polarization angle to the lower surface thereof.
KR2019990021122U 1999-10-01 1999-10-01 Liquid crystal glass KR200171874Y1 (en)

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