KR970048732A - Gradient representation method of ferroelectric liquid crystal display - Google Patents

Gradient representation method of ferroelectric liquid crystal display Download PDF

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Publication number
KR970048732A
KR970048732A KR1019950066733A KR19950066733A KR970048732A KR 970048732 A KR970048732 A KR 970048732A KR 1019950066733 A KR1019950066733 A KR 1019950066733A KR 19950066733 A KR19950066733 A KR 19950066733A KR 970048732 A KR970048732 A KR 970048732A
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KR
South Korea
Prior art keywords
electric field
state
liquid crystal
ferroelectric liquid
maintain
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Application number
KR1019950066733A
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Korean (ko)
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KR100350531B1 (en
Inventor
이유진
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윤종용
삼성전관 주식회사
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Priority to KR1019950066733A priority Critical patent/KR100350531B1/en
Publication of KR970048732A publication Critical patent/KR970048732A/en
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Publication of KR100350531B1 publication Critical patent/KR100350531B1/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

Abstract

이 발명은 강유전성 액정디스플레이의 계조 표현 방법에 관한 것으로서,강유전성 액정이 편광수단과 검광수단 사이에 들어있고,빛은 편광수단 쪽으로 들어와서 검광수단 쪽으로 진행하는 강유전성 액정디스플레이에 있어서,전계가 인가되지 않아서 안정된 상태를 유지하고 있는 제1메모리상태와,정방향의 전계가 인가되어 이동된 후,계속 작은 정방향의 전계가 인가되어 그 상태가 유지되고 빛의 투과율이 가장 좋게 되는 제1풀스위칭상태와,정방향의 전계가 소멸되므로서 안정된 상태를 유지하기 위해 이동된 제2메모리상태와,역방향의 전계가 인가되어 이동된 후, 계속 작은 역방향의 전계가 인가되어 그 상태가 유지되는 제2풀스위치상태에 상기 강유전성 액정분자가 위치하여,상기 위치에 따른 빛의 투과율의 차이를 이용하여 4수준의 계조가 구현되어 보다 많은 칼라가 표현가능하게 된다.The present invention relates to a gray scale representation method of a ferroelectric liquid crystal display, wherein a ferroelectric liquid crystal is contained between a polarization means and an inspection means, and light enters into the polarization means and proceeds toward the detection means, so that no electric field is applied. The first memory state in a stable state and the first full switching state in which the forward electric field is applied and moved, and then a small forward electric field is applied to maintain the state and the light transmittance is the best, and the forward direction The second memory state moved to maintain a stable state as the electric field of the electric field disappears, and the second full switch state in which the electric field in the reverse direction is continuously applied after the electric field in the reverse direction is applied and moved is maintained. Ferroelectric liquid crystal molecules are positioned, and four levels of gradation are realized by using a difference in light transmittance according to the positions. More colors can be expressed.

Description

강유전성 액정디스플레이의 계조 표현 방법Gradient representation method of ferroelectric liquid crystal display

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제5도는 이 발명의 실시예에 따른 원추각 크기와 소멸각 크기의 차가 큰 강유전성 액정분자가 위치가능한 곳을 나타낸 도면이다.5 is a view showing where ferroelectric liquid crystal molecules having a large difference between a cone angle and an extinction angle according to an embodiment of the present invention can be located.

Claims (2)

강유전성 액정이 편광수단과 검광수단 사이에 들어있고,빛은 편광수단 쪽으로 들어와서 검광수단 쪽으로 진행하는 강유전성 액정디스플레이에 있어서,전계가 인가되지 않아서 안정된 상태를 유지하고 있는 제1메모리상태와,정방향의 전계가 인가되어 이동된 후,계속 작은 정방향의 전계가 인가되어 그 상태가 유지되고 빛의 투과율이 가장 좋게 되는 제1풀스위칭상태와,정방향의 전계가 소멸되므로서 안정된 상태를 유지하기 위해 이동된 제2메모리상태와,역방향의 전계가 인가되어 이동된 후, 계속 작은 역방향의 전계가 인가되어 그 상태가 유지되는 제2풀스위치상태에 상기 강유전성 액정분자가 위치하여,상기 위치에 따른 빛의 투과율의 차이를 이용하여 4수준의 계조를 구현하는 것을 특징으로 하는 강유전성 액정디스플레이의 계조 표현 방법.In a ferroelectric liquid crystal display in which a ferroelectric liquid crystal is contained between a polarizing means and an detecting means, and light enters into the polarizing means and travels toward the detecting means, the first memory state in which the electric field is not applied to maintain a stable state, and the positive direction After the electric field is applied and moved, the first full switching state in which the small forward electric field is continuously applied to maintain the state and the light transmittance is the best, and the electric field in the forward direction disappears to maintain the stable state. After the second memory state and the electric field in the reverse direction is applied and moved, the ferroelectric liquid crystal molecules are positioned in the second full switch state in which the small reverse electric field is applied and the state is maintained, and the light transmittance according to the position is provided. The gray scale expression method of the ferroelectric liquid crystal display, characterized in that to implement the four levels of gray scale using the difference of. 제1항에 있어서,상기한 강유전성 액정은,원추각 크기와 소멸각 크기의 차가 큰 것을 특징으로 하는 강유전성 액정디스플레이의 계조 표현 방법.The method of claim 1, wherein the ferroelectric liquid crystal has a large difference between a cone angle and an extinction angle size. ※ 참고사항: 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the original application.
KR1019950066733A 1995-12-29 1995-12-29 Method for displaying gray level of ferro-electric lcd KR100350531B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950066733A KR100350531B1 (en) 1995-12-29 1995-12-29 Method for displaying gray level of ferro-electric lcd

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950066733A KR100350531B1 (en) 1995-12-29 1995-12-29 Method for displaying gray level of ferro-electric lcd

Publications (2)

Publication Number Publication Date
KR970048732A true KR970048732A (en) 1997-07-29
KR100350531B1 KR100350531B1 (en) 2002-12-16

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KR1019950066733A KR100350531B1 (en) 1995-12-29 1995-12-29 Method for displaying gray level of ferro-electric lcd

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