KR930006713B1 - Making method of liquid crystal display - Google Patents

Making method of liquid crystal display Download PDF

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Publication number
KR930006713B1
KR930006713B1 KR1019900012727A KR900012727A KR930006713B1 KR 930006713 B1 KR930006713 B1 KR 930006713B1 KR 1019900012727 A KR1019900012727 A KR 1019900012727A KR 900012727 A KR900012727 A KR 900012727A KR 930006713 B1 KR930006713 B1 KR 930006713B1
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South Korea
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liquid crystal
forming
resin layer
crystal display
display device
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KR1019900012727A
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Korean (ko)
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KR920004893A (en
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송광현
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삼성전관 주식회사
김정배
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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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors

Abstract

The method comprises (a) forming ITO electrode (3) by depositing photosensitive resin on the upper and lower glass substrates (1,2), (b) uniformly forming oriented film (4) hundreds to thousands of microns thick, (c) rubbing the film (4) with smooth cloth, (d) injecting liquid crystal through an inlet (7) after printing epoxy resin (6) tens of microns thick on one side of the substrates and fabricating the substrates, (e) sealing the inlet with sealing agent (8), (f) forming polarizing plate (9) on (1), (g) coating the plate (9) with silicon solution, and (h) forming uneven silicon resin layer (10) by calcining the drying silicon solution at 40-90 deg.C

Description

액정 표시소자의 제조방법Manufacturing method of liquid crystal display device

제1도는 본 발명의 방법에 의해 제조된 액정 표시소자의 단면도.1 is a cross-sectional view of a liquid crystal display device manufactured by the method of the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 상부유리기판 2 : 하부유리기판1: upper glass substrate 2: lower glass substrate

3 : ITO 전극 4 : 배향막3: ITO electrode 4: alignment film

5 : 액정 7 : 주입구5 liquid crystal 7 injection hole

9 : 편광판 10 : 실리콘수지층9: polarizing plate 10: silicone resin layer

본 발명은 액정표시소자의 제조방법에 관한 것으로써, 특히 입사광의 빛을 일정한 방향으로 편광제어할 수 있도록 상부 유리기판 상에 코팅된 편광판의 상측으로 실리콘 수지층을 코팅 처리하여 소성건조 시킴으로써 상기 편광판의 표면 상태를 요철화 하여 입사광의 투과시 난반사를 일으키도록 한 액정 표시소자의 제조방법에 관한 것이다.The present invention relates to a method of manufacturing a liquid crystal display device, in particular, the polarizing plate by coating and drying the silicone resin layer on the upper side of the polarizing plate coated on the upper glass substrate so as to control the polarized light of the incident light in a certain direction. The manufacturing method of the liquid crystal display device which uneven | corrugated the surface state of and generate | occur | produces diffuse reflection in the transmission of incident light is provided.

종래의 액정 표시소자의 제조방법에 있어서는, 2매의 전극기판 사이에 액정을 주입하고, 전극기판의 전극에 전압을 인가하는 것에 의해 그 광학적 성질이 변화하는 액정의 특성을 사용하여 요구되는 표시 패턴을 얻는 것으로 특히, 전계 효과형 액정 표시소자에서는 상술한 2매의 상하 전극기판의 외측에 빛의 편광작용을 가진 편광면을 갖추고 있다.In the conventional method for manufacturing a liquid crystal display device, a display pattern required by injecting a liquid crystal between two electrode substrates and applying a voltage to an electrode of the electrode substrate using the characteristics of the liquid crystal whose optical properties change. In particular, in the field effect type liquid crystal display device, a polarization plane having a polarization action of light is provided on the outer side of the two upper and lower electrode substrates described above.

그러나, 종래의 편광판은 대향한 편광판의 각각의 광학적 특성이 다른 경우도 있지만 하나의 편광판에 주목하면 광학적 특성이 전면적으로 같기 때문에 액정 표시소자로 표시되는 문자, 도형등의 패턴은 표시색 표시 콘트라스트 등의 광학적 표시 특성은 같게 되고 표시상태에 변화를 가져올 수 없기 때문에 보기가 나쁘고 판독이 곤란하여 오독하기 쉬운 문제점이 있었다.However, in the conventional polarizers, the optical characteristics of the opposing polarizers may be different from each other. However, when one polarizer is noticed, the optical characteristics are all the same. Since the optical display characteristics of are the same and cannot bring about a change in the display state, there is a problem in that the viewing is bad and the reading is difficult and easy to read.

또한, 외부의 빛등에 쉽게 영향을 받게되어 부분적으로 표시색 표시 콘트라스트가 변하는 등의 외관의 변화성에 부족한 문제점이 있었다.In addition, there is a problem in that it is easily influenced by external light and thus lacks in appearance variability such as change in display color display contrast.

본 발명은 상술한 여러가지 문제점을 감안해서 이루어진 것으로써, 본 발명의 목적은 입사광의 빛을 일정한 방향으로 편광제어할 수 있도록 상부유리기판 상태 코팅된 편광판의 상측으로 실리콘 수지층을 수 미크론에서 수백 미크론으로 도포한 후 소성 건조함으로써 편광 필림에 부착된 실리콘 수지층이 요철화를 이루게 되어 액정 표시소자의 난반사(NONGLARE)가 이루어 질 수 있도록 함으로써 외부의 빛에 전혀 영향을 받지않고, 표시부분이 보기 쉽게 되며, 따라서 선명한 표시상태를 얻을 수 있도록 한 액정표시소자의 제조방법을 제공하는데 있다.SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems, and an object of the present invention is to provide a silicone resin layer on the upper side of the upper glass substrate state coated polarizing plate so that light of incident light can be polarized in a predetermined direction, from several microns to several hundred microns. After the coating, the plastic resin layer is dried and baked to form unevenness of the silicon resin layer attached to the polarized film, so that the non-reflective light of the liquid crystal display device can be achieved. Accordingly, the present invention provides a method of manufacturing a liquid crystal display device capable of obtaining a clear display state.

상기 목적을 달성하기 위한 것으로써, 본 발명의 액정표시 소자의 제조방법은, 상, 하부 유리기판상에 감광성 수지를 이용하여 ITO전극을 증착하는 전극 형성단계와, 상기 전극형성단계에서 증착된 ITO전극의 상부에 수백 내지 수천 미크론으로 균일하게 배향막을 경화시키는 배향막 형성단계와, 액정 주입후 액정의 유실을 방지토록 하기 위해 봉지제를 이용하여 액정 주입구를 봉지하는 시일(seal)단계를 거쳐 액정 판넬을 완성후, 입사광의 빛을 일정한 방향으로 편광제어 될 수 있도록 상부 유리기판상에 코팅하는 편광판 형성단계로 이루어진 액정표시소자의 제조방법에 있어서, 상기 편광판 상에 실리콘 용액을 수십 내지 수백 미크론 도포하는 도포단계와, 상기 도포단계에 의해서 도포된 실리콘용액을 소성 건조시켜 실리콘 수지층을 형성시키는 실리콘수지층 형성단계로 이루어진 것을 특징으로 한다.In order to achieve the above object, the manufacturing method of the liquid crystal display device of the present invention, the electrode forming step of depositing an ITO electrode using a photosensitive resin on the upper, lower glass substrate, and the ITO electrode deposited in the electrode forming step The liquid crystal panel is subjected to an alignment film forming step of uniformly curing the alignment film to several hundreds to thousands of microns on top of the sealant, and a seal step of sealing the liquid crystal inlet using an encapsulant to prevent the liquid crystal from being lost after the liquid crystal injection. After completion, the method of manufacturing a liquid crystal display device comprising a polarizing plate forming step of coating the light of the incident light on the upper glass substrate to be polarized control in a predetermined direction, the coating step of applying a silicon solution on the polarizing plate tens to hundreds of microns And a chamber for baking and drying the silicone solution applied by the coating step to form a silicone resin layer. Characterized in that the step of forming a resin resin layer.

이와같은 구성에 의하면 입사광의 투과시 난반사가 이루어져 외부의 빛에 영향을 받지않고, 표시부분을 용이하게 보게되며, 선명한 표시상태를 얻을 수 있는 것이다.According to such a configuration, diffuse reflection is performed when the incident light is transmitted, and the display part is easily seen without being influenced by external light, and a clear display state can be obtained.

이하, 첨부한 도면에 의거하여 본 발명의 일 실시예를 설명하면 다음과 같다.Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.

제1도는 본 발명인 액정표시소자의 제조방법에 의해 제조된 액정 표시소자를 도시한 도면이다.1 is a view showing a liquid crystal display device manufactured by the method for manufacturing a liquid crystal display device of the present invention.

먼저, 상,하부 유리기판(1),(2)에 감광성 수지를 이용하여 ITO전극(3)을 증착하여 전극을 형성하고, 상기 ITO전극(3)상에 배향막(4)을 수백 내지 수천 미크론으로 균일하게 형성시킨 후, 상기 배향막(4)을 부드러운 천 등을 이용하여 문질러 주어 액정(5)이 일정한 방향으로 운동을 할 수 있도록 한다.First, an electrode is formed by depositing an ITO electrode 3 on the upper and lower glass substrates 1 and 2 by using a photosensitive resin, and the alignment layer 4 on the ITO electrode 3 is hundreds to thousands of microns. After forming uniformly, the alignment layer 4 is rubbed with a soft cloth or the like so that the liquid crystal 5 can move in a predetermined direction.

한편, 액정(5)의 유실을 방지하기 위하여 제1도에 도시한 바와같이 상,하부 유리기판(1), (2)의 일측에 수십 미크론으로 에폭시 수지(6)를 프린트하여 상기의 상,하부 유리기판(1), (2)을 조합시킨 후 주입구(7)를 통하여 액정(5)을 주입시키고, 상기 주입구(7)를 통해 액정(5)이 유실되지 않도록 봉지재(8)를 이용하여 주입구(7)를 시일(seal)한다.On the other hand, in order to prevent the loss of the liquid crystal 5, as shown in FIG. 1, the epoxy resin 6 is printed on the one side of the upper and lower glass substrates 1 and 2 by several tens of microns so that the above-mentioned images, After combining the lower glass substrates 1 and 2, the liquid crystal 5 is injected through the injection hole 7, and the encapsulant 8 is used so that the liquid crystal 5 is not lost through the injection hole 7. To seal the inlet 7.

상기와 같은 과정을 거쳐 완성된 액정 판넬의 상부유리기판(1) 상에 입사광의 빛을 일정한 방향으로 편광제어할 수 있도록 편광필름을 코팅하여 편광판(9)을 형성한 후, 상기 편광판(9)의 상측으로 실리콘 용액을 스크린 인쇄법 또는 스프레이 법을 통하여 수 미크론에서 수 백미크론의 균일한 두께로 도포한 후 40~90℃의 온도로서 소성 건조하여 상기 편광판(9)상에 요철화된 실리콘수지층(10)을 형성함으로써 액정 표시소자의 난반사가 이루어질 수 있다.After forming a polarizing plate 9 by coating a polarizing film on the upper glass substrate 1 of the liquid crystal panel completed through the above process to control the light of incident light in a predetermined direction, the polarizing plate 9 The silicon solution was coated to a uniform thickness of several microns to several hundred microns by a screen printing method or a spray method on the upper side of the film, followed by baking and drying at a temperature of 40 to 90 ° C. The diffuse reflection of the liquid crystal display may be achieved by forming the ground layer 10.

상술한 바와같이 본 발명의 액정표시소자의 제조방법에 의하면, 편광판상에 부착된 실리콘 수지층이 요철화를 이루게 되어 액정 표시소자의 난반사가 이루어질 수 있도록 함으로써 외부의 빛에 전형 영향을 받지 않고, 표시부분을 용이하게 볼 수 있으며, 선명한 표시상태를 얻을 수 있다는 효과가 있다.As described above, according to the manufacturing method of the liquid crystal display device of the present invention, the silicone resin layer attached on the polarizing plate is formed to be uneven, so that the diffuse reflection of the liquid crystal display device can be achieved without being influenced by external light. The display portion can be easily seen, and the clear display state can be obtained.

Claims (2)

상,하부 유리기판상에 감광성 수지를 이용하여 ITO전극을 증착하는 전극 형성단계와, 상기 전극형성단계에서 증착된 ITO전극의 상부에 수백 내지 수천미크론으로 균일하게 배향막을 경화시키는 배향막 형성단계와, 액정 주입후 액정의 유실을 방지토록 하기 위해 봉지제를 이용하여 액정 주입구를 봉지하는 시일단계를 거쳐 완성된 액정 판넬의 상부유리기판 상에 입사광의 빛을 편광 제어토록 하기 위해 편광 필름을 코팅하는 편광판 형성단계로 이루어진 액정표시소자의 제조방법에 있어서, 상기 편광판 상에 실리콘 용액을 일정한 두께로 도포하는 도포단계와, 상기 도포단계에 의하여 도포된 실리콘 용액을 소정건조시켜 요철화된 실리콘 수지층을 형성시키는 실리콘수지층 형성단계로 이루어진 것을 특징으로 하는 액정 표시소자의 제조방법.An electrode forming step of depositing an ITO electrode by using a photosensitive resin on the upper and lower glass substrates, an alignment film forming step of uniformly curing an alignment film on the upper part of the ITO electrode deposited in the electrode forming step by several hundreds to thousands of microns, and a liquid crystal Forming a polarizing plate to coat the polarizing film to control the polarization of the incident light on the upper glass substrate of the liquid crystal panel through a sealing step of sealing the liquid crystal injection hole using an encapsulant to prevent the loss of the liquid crystal after injection. In the method of manufacturing a liquid crystal display device comprising a step, a coating step of applying a silicon solution to a predetermined thickness on the polarizing plate, and a predetermined drying of the silicone solution applied by the coating step to form an uneven silicon resin layer A method of manufacturing a liquid crystal display device, characterized in that the step of forming a silicone resin layer. 제1항에 있어서, 상기 실리콘수지층 형성단계에서 수지층을 형성하기 위하여 실리콘용액을 40~90℃의 온도로서 소성 건조하는 것을 특징으로 하는 액정 표시소자의 제조방법.The method of claim 1, wherein the silicon solution is baked and dried at a temperature of 40 ° C. to 90 ° C. to form a resin layer in the silicon resin layer forming step.
KR1019900012727A 1990-08-18 1990-08-18 Making method of liquid crystal display KR930006713B1 (en)

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