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 PDFInfo
- 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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- liquid crystal
- crystal display
- display device
- cell gap
- transition temperature
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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
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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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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 |
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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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KR (1) | KR960024510A (en) |
Cited By (1)
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 |
-
1994
- 1994-12-29 KR KR1019940038992A patent/KR960024510A/en not_active Application Discontinuation
Cited By (1)
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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