KR950006515A - Liquid crystal injection method and apparatus - Google Patents

Liquid crystal injection method and apparatus Download PDF

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Publication number
KR950006515A
KR950006515A KR1019930016464A KR930016464A KR950006515A KR 950006515 A KR950006515 A KR 950006515A KR 1019930016464 A KR1019930016464 A KR 1019930016464A KR 930016464 A KR930016464 A KR 930016464A KR 950006515 A KR950006515 A KR 950006515A
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KR
South Korea
Prior art keywords
liquid crystal
injection
cell
groove
liquid
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KR1019930016464A
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Korean (ko)
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KR970000358B1 (en
Inventor
이성주
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엄길용
오리온전기 주식회사
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Priority to KR1019930016464A priority Critical patent/KR970000358B1/en
Publication of KR950006515A publication Critical patent/KR950006515A/en
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Publication of KR970000358B1 publication Critical patent/KR970000358B1/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
    • G02F1/1341—Filling or closing of cells
    • 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
    • G02F1/1303—Apparatus specially adapted to the manufacture of LCDs

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mathematical Physics (AREA)
  • Liquid Crystal (AREA)

Abstract

본 발명은 LCD의 셀에 액정을 주입하는 신규한 방법 및 그 장치를 개시한다.The present invention discloses a novel method and apparatus for injecting liquid crystal into a cell of an LCD.

종래에는 배기된 셀을 직접 액정에 담가 부압에 의해 액정을 주입하도록 하였으므로 적절한 양의 주입이 불가능하고 액정이 셀에 부착될 뿐 아니라 셀의 이물질에 혼입되는 등의 문제가 있어서 특히 소형 셀의 주입불량이 매우 많았다.Conventionally, since an exhausted cell is directly immersed in a liquid crystal to inject a liquid crystal by negative pressure, an appropriate amount of injection is impossible, and the liquid crystal is not only attached to the cell but also mixed with foreign substances in the cell. There was so much.

본 발명에서는 액정 내에 하부가 담겨진 주입블록의 주입홈으로 액정을 모세관 현상에 의해 상승시키고, 이 상승된 액정의 셀의 주입구만을 접촉시켜 액정이 주입되도록 함으로써 종래의 문제를 해결하였다. (제2도)In the present invention, the liquid crystal is raised by capillary action to the injection groove of the injection block in which the lower part is contained in the liquid crystal, and the liquid crystal is injected by contacting only the injection hole of the cell of the raised liquid crystal to solve the conventional problem. (Figure 2)

Description

액정 주입방법 및 그 장치Liquid crystal injection method and apparatus

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제2도는 본 발명에 따른 액정 주입장치의 원리를 설명하기 위한 개략 단면도.2 is a schematic cross-sectional view for explaining the principle of the liquid crystal injection device according to the present invention.

제4도는 본 발명 장치의 다른 실시예를 도시한 단면도.4 is a cross-sectional view showing another embodiment of the device of the present invention.

제6도는 본 발명 장치의 또 다른 실시예를 도시한 측면이다.6 is a side view showing another embodiment of the device of the present invention.

Claims (7)

진공으로 배기된 액정표시소자 셀의 부압으로 상기 셀내에 액정을 주입하는 방법에 있어서, 상기 액정의 액면으로부터 상기 액정을 모세관 현상으로 상승시켜, 상승된 상기 액정을 상기 셀의 주입구에 점접촉 시킴으로써 상기 캐비티에 상기 액정을 주입하는 것을 특징으로 하는 액정 주입방법.A method of injecting liquid crystal into a cell at a negative pressure of a liquid crystal display cell exhausted by vacuum, wherein the liquid crystal is raised from a liquid level of the liquid crystal to a capillary phenomenon, and the liquid crystal is brought into point contact with the inlet of the cell. And injecting the liquid crystal into the cavity. 진공으로 배기 가능한 진공실과, 상기 진공실내에 설치된 액정용기를 구비하여 셀의 캐비티에 액정을 주입하는 장치에 있어서, 하부가 상기 액정용기(R)의 액정(L)의 액면하에 담겨지고, 상부가 액정(L)의 액면 하로부터 액면상으로 돌출되며, 그 둘레에 상기 액정(L)의 액면 상까지 연장되어 상기 셀(C)의 주입구와 접촉하는 소정크기의 주입홈(1a)과 점접촉하는 것을 특징으로 하는 액정 주입장치.An apparatus for injecting liquid crystal into a cavity of a cell, comprising a vacuum chamber capable of evacuating to a vacuum and a liquid crystal container installed in the vacuum chamber, wherein the lower portion is contained under the liquid level of the liquid crystal L of the liquid crystal container R, and the upper portion is Protruding from below the liquid level of the liquid crystal L onto the liquid surface, extending around the liquid level of the liquid crystal L, and contacting the injection groove 1a of a predetermined size in contact with the injection hole of the cell C. Liquid crystal injection device, characterized in that. 제2항에 있어서, 상기 주입블록(1)의 상면이 곡면으로 형성되고, 상기 셀(C)의 주입구(I)가 상기 주입블록(1) 상부의 상기 주입홈(1a)과 점접촉하는 것을 특징으로 하는 액정 주입장치.According to claim 2, wherein the upper surface of the injection block (1) is formed in a curved surface, the injection hole (I) of the cell (C) is in point contact with the injection groove (1a) above the injection block (1) Liquid crystal injection device characterized in that. 제2항에 있어서, 상기 주입블록(1)의 상기 셀(C) 사이에, 상기 주입블록(1)의 상기 주입홈(1a)과 상기 셀(C)의 주입구(1)에 대응하는 주입홈(2a,2a′)이 그 둘레에 형성된 주입바(2,2′)가 구비되는 것을 특징으로 하는 액정 주입장치.The injection groove of claim 2, wherein the injection groove corresponding to the injection groove 1a of the injection block 1 and the injection hole 1 of the cell C is between the cells C of the injection block 1. A liquid crystal injection device, characterized in that an injection bar (2,2 ') is formed around (2a, 2a'). 제4항에 있어서, 상기 주입바(2′)의 상기 주입홈(2a′)이 나선형으로 형성되는 것을 특징으로 하는 액정 주입장치.5. The liquid crystal injection apparatus according to claim 4, wherein the injection groove (2a ') of the injection bar (2') is formed spirally. 제4항 또는 제5항 중의 한 항에 있어서, 상기 주입바(2,2′)가 소정각도만큼씩 회전 가능한 것을 특징으로 하는 액정 주입장치.The liquid crystal injection device according to claim 4 or 5, wherein the injection bars (2, 2 ') are rotatable by a predetermined angle. 제2항 내지 제5항 중의 한 항에 있어서, 상기 셀(C)이 복수로 구비되고 상기 주입홈(1a,2a,2a′)이 각각 상기 각 셀에 대응하도록 복수로 구비되는 것을 특징으로 하는 액정 주입장치.6. A method according to any one of claims 2 to 5, characterized in that a plurality of cells (C) are provided and a plurality of injection grooves (1a, 2a, 2a ') are provided to correspond to the cells, respectively. Liquid crystal injection device. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930016464A 1993-08-24 1993-08-24 Liquid crystal injecting method and its device KR970000358B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019930016464A KR970000358B1 (en) 1993-08-24 1993-08-24 Liquid crystal injecting method and its device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019930016464A KR970000358B1 (en) 1993-08-24 1993-08-24 Liquid crystal injecting method and its device

Publications (2)

Publication Number Publication Date
KR950006515A true KR950006515A (en) 1995-03-21
KR970000358B1 KR970000358B1 (en) 1997-01-08

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