KR960024510A - Cell gap measuring method and apparatus of liquid crystal display device - Google Patents

Cell gap measuring method and apparatus of liquid crystal display device Download PDF

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Publication number
KR960024510A
KR960024510A KR1019940038992A KR19940038992A KR960024510A KR 960024510 A KR960024510 A KR 960024510A KR 1019940038992 A KR1019940038992 A KR 1019940038992A KR 19940038992 A KR19940038992 A KR 19940038992A KR 960024510 A KR960024510 A KR 960024510A
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KR
South Korea
Prior art keywords
liquid crystal
crystal display
display device
cell gap
transition temperature
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Application number
KR1019940038992A
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Korean (ko)
Inventor
곽진오
이장두
Original Assignee
윤종용
삼성전관 주식회사
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Application filed by 윤종용, 삼성전관 주식회사 filed Critical 윤종용
Priority to KR1019940038992A priority Critical patent/KR960024510A/en
Publication of KR960024510A publication Critical patent/KR960024510A/en

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Abstract

본 발명은 셀갭측정방법 및 장치에 관한 것으로서, 특히 액정표시소자의 셀갭 측정방법 및 장치에 관한 것이다.The present invention relates to a cell gap measuring method and apparatus, and more particularly to a cell gap measuring method and apparatus of a liquid crystal display device.

본 발명의 방법은 액정표시소자의 액정을 상전이 온도 이상으로 가열하는 단계와, 상기 액정표시소자에 레이저가 가하여 그 반대편의 스크린에 간섭무늬를 형성하는 단계, 상기 간섭무늬로부터 셀갭의 값을 얻는 단계를 포함하며, 그 장치는 액정표시소자의 액정을 상전이 온도로 가열하는 가열원과, 상기 가열원에 의해 상전이 온도 이상으로 가열된 액정에 레이저 광을 조사하는 레이저 광원과, 상기 액정을 투과한 레이저 광이 도달하여 간섭무늬를 형성하는 스크린을 구비한다.The method of the present invention comprises the steps of heating the liquid crystal of the liquid crystal display device above the phase transition temperature, applying a laser to the liquid crystal display device to form an interference fringe on the screen on the opposite side, obtaining a cell gap value from the interference fringe The apparatus includes a heating source for heating a liquid crystal of a liquid crystal display element to a phase transition temperature, a laser light source for irradiating laser light to a liquid crystal heated above the phase transition temperature by the heating source, and a laser beam passing through the liquid crystal. And a screen on which light arrives to form an interference fringe.

이러한 본 발명 장치 및 방법에 의하면, 액정표시장치의 셀갭을 직접 측정할 수 있게 되며, 따라서 액정표시 장치의 재현성의 향상 및 신뢰성이 향상이 가능하게 된다.According to the apparatus and method of the present invention, it is possible to directly measure the cell gap of the liquid crystal display device, thereby improving the reproducibility and reliability of the liquid crystal display device.

Description

액정표시장치의 셀갭측정방법 및 장치Cell gap measuring method and apparatus of liquid crystal display device

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

제1도는 본 발명의 셀갭 측정 장치 및 방법을 설명하기 위한 도면, 제2도는 셀갭 측정시의 액정표시소자 내부 구조 및 광학적 작용을 보인 도면이다.1 is a view for explaining the cell gap measuring apparatus and method of the present invention, Figure 2 is a view showing the internal structure and optical operation of the liquid crystal display element in the cell gap measurement.

Claims (3)

액정표시소자의 액정을 상전이 온도 이상으로 가열하는 단계와, 상기 액정표시소자에 레이저가 가하여 그 반대편의 스크린에 간섭무늬를 형성하는 단계, 상기 간섭무늬로부터 셀갭의 값을 얻는 단계를 포함하는 점에 그 특징으로 하는 액정표시장치의 셀갭측정방법.Heating the liquid crystal of the liquid crystal display device above a phase transition temperature, applying a laser to the liquid crystal display device to form an interference pattern on the screen opposite to the liquid crystal display device, and obtaining a cell gap value from the interference pattern. A cell gap measuring method of a liquid crystal display device characterized by the above-mentioned. 제1항에 있어서, 액정을 가열을 위하여 자외선 또는 레이저를 사용하는 것을 특징으로 하는 액정표시장치의 셀갭측정방법.The method of claim 1, wherein an ultraviolet ray or a laser is used to heat the liquid crystal. 액정표시소자의 액정을 상전이 온도로 가열하는 가열원과, 상기 가열원에 의해 상전이 온도 이상으로 가열된 액정에 레이저 광을 조사하는 레이저 광원과, 상기 액정을 투과한 레이저 광이 도달하여 간섭무늬를 형성하는 스크린을 구비하는 것을 특징으로 하는 액정표시장치의 셀갭측정장치.A heating source for heating the liquid crystal of the liquid crystal display element at a phase transition temperature, a laser light source for irradiating laser light to the liquid crystal heated by the heating source above the phase transition temperature, and a laser light passing through the liquid crystal to reach an interference pattern. A cell gap measuring device for a liquid crystal display device, comprising a screen to be formed. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940038992A 1994-12-29 1994-12-29 Cell gap measuring method and apparatus of liquid crystal display device KR960024510A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940038992A KR960024510A (en) 1994-12-29 1994-12-29 Cell gap measuring method and apparatus of liquid crystal display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940038992A KR960024510A (en) 1994-12-29 1994-12-29 Cell gap measuring method and apparatus of liquid crystal display device

Publications (1)

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KR960024510A true KR960024510A (en) 1996-07-20

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KR1019940038992A KR960024510A (en) 1994-12-29 1994-12-29 Cell gap measuring method and apparatus of liquid crystal display device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9863762B2 (en) 2015-04-30 2018-01-09 Samsung Display Co., Ltd. Method of manufacturing liquid crystal display device and inspection device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9863762B2 (en) 2015-04-30 2018-01-09 Samsung Display Co., Ltd. Method of manufacturing liquid crystal display device and inspection device

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