KR930016819A - Light control device and electronic iris shutter device - Google Patents

Light control device and electronic iris shutter device Download PDF

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KR930016819A
KR930016819A KR1019920000579A KR920000579A KR930016819A KR 930016819 A KR930016819 A KR 930016819A KR 1019920000579 A KR1019920000579 A KR 1019920000579A KR 920000579 A KR920000579 A KR 920000579A KR 930016819 A KR930016819 A KR 930016819A
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liquid crystal
light
crystal panel
signal
transparent electrodes
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KR1019920000579A
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KR950010843B1 (en
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복준성
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강진구
삼성전자 주식회사
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    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B9/00Exposure-making shutters; Diaphragms
    • G03B9/08Shutters

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Liquid Crystal (AREA)
  • Diaphragms For Cameras (AREA)

Abstract

본 발명은 액정을 이용한 광량조절장치 및 전자조리개셔터장치에 관한 것으로 응답속도가 빠르고 응답특성이 선형적이 되는 강량조절장치 및 전자조리개셔터장치를 제공하기 위한 것이다.The present invention relates to a light amount control device and an electronic aperture shutter device using liquid crystals, and to provide a power adjustment device and an electronic aperture shutter device in which the response speed is fast and the response characteristics are linear.

광량조절장치는 광로상에 다수개의 부분으로 분할되어 구동되는 액정패널과 액정패널을 분할하여 구동시키는 전기신호를 생성하는 액정구동수단을 구비하며 전자조리개셔터장치는 광로상에 다수개의 부분으로 분할되어 구동되는 액정패널과 셔터동작이 이루어지는 싯점에서 일정시간동안 일정부분의 액정패널만을 구동하는 전기신호를 생성하는 액정패널구동수단을 구비하는 것을 특징으로 한다.The light amount control device includes a liquid crystal panel driven by being divided into a plurality of parts on an optical path, and liquid crystal driving means for generating an electric signal for dividing and driving the liquid crystal panel. The electronic iris shutter device is divided into a plurality of parts on an optical path. And a liquid crystal panel driving means for generating an electric signal for driving only a portion of the liquid crystal panel for a predetermined time at a time point at which the liquid crystal panel and the shutter operation are driven.

본 발명은 종래에 기계적으로 동작하던 것을 디지탈적으로 동작할 수 있게 함으로써 고속화동작, 고신뢰 내구성, 초정밀제어, 균일한 품질화를 이룩하게 하며 정밀한 촬영을 할 수 있는 전문가용 스틸카메라, 방송용 비디오 카메라, 의료 및 각종 과학장비, 민생용 캠코더 및 렌즈를 사용하는 광학기기등에 이용하는 효과가 있다.The present invention achieves high-speed operation, high reliability durability, ultra-precision control, uniform quality by enabling digital operation of a conventional mechanical operation, and a professional still camera capable of precise shooting, broadcast video camera, It is effective for medical and various scientific equipment, consumer camcorders and optical devices using lenses.

Description

광량조절장치 및 전자조리개셔터장치Light control device and electronic iris shutter device

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

제3도는 광량조절장치의 일실시예의 블럭도이고, 제4도는 전자조리개장치의 일실시예의 블럭도이고, 제5도는 액정패널의 단면도이고, 제6도는 액정패널의 제2-투명전극의 일실시예이고, 제7도는 액정패널의 제2-투명전극의 또 다른 실시예들이고, 제8도는 빛의 경로에 따른 광량조절 사시도이고, 제9도는 제5도의 광량에 따른 빛이 투과되는 부분과 액정구동-전기신호에대한 그래프이고, 제10도는 셔터동작을 하는 경우에 광량에 따른 각 액정구동-전기신호들의 파형도이다.FIG. 3 is a block diagram of one embodiment of the light amount control device, FIG. 4 is a block diagram of one embodiment of the electronic iris device, FIG. 5 is a sectional view of the liquid crystal panel, and FIG. 6 is a view of the second transparent electrode of the liquid crystal panel. 7 is another embodiment of the second-transparent electrode of the liquid crystal panel, and FIG. 8 is a perspective view of light quantity control according to a light path, and FIG. 9 is a portion through which light is transmitted according to the light quantity of FIG. 10 is a graph of liquid crystal drive-electric signals, and FIG. 10 is a waveform diagram of each liquid crystal drive-electric signals according to the amount of light when the shutter operation is performed.

Claims (15)

액정물질이 봉입된 한 쌍의 투명기판, 상기 한 쌍의 기판중 어느 한 기판의 내면상에 형성된 제1-투명전극, 및 상기 한 쌍의 가판중 다른 한 기판의 내면상에 형성되고 복수의 영역으로 분할된 복수의 제2-투명전극을 구비하고 카메라의 광로상에 배치된 액정패널과, 상기 액정패널의 복수개의 제2-투명전극을 선택적으로 구동하여 상기 제1 및 제2투명전극 사이에 인가되는 전위에 의해 액정물질의 배열구조를 제어함으로써 액정패널을 통해 투과되는 광량을 조절하기 위한 액정패널 구동수단을 구비하는 것을 특징으로 하는 카메라의 광랑조절장치.A pair of transparent substrates in which a liquid crystal material is encapsulated, a first-transparent electrode formed on an inner surface of one of the pair of substrates, and a plurality of regions formed on an inner surface of the other substrate of the pair of substrates A liquid crystal panel having a plurality of second-transparent electrodes divided into a plurality of second-transparent electrodes arranged on an optical path of a camera, and selectively driving a plurality of second-transparent electrodes of the liquid crystal panel to between the first and second transparent electrodes. And a liquid crystal panel driving means for controlling the amount of light transmitted through the liquid crystal panel by controlling the arrangement structure of the liquid crystal material by the potential applied thereto. 제1항에 있어서, 상기 복수개의 제2-투명전극은 광로상에 동심원상으로 형성한 것을 특징으로 하는 광량조절장치.The light quantity adjusting device according to claim 1, wherein the plurality of second-transparent electrodes are formed concentrically on the optical path. 제1항에 있어서, 상기 액정패널의 전면에 빛의 제1방향성분을 통과시키는 제1편광판과, 상기 액정패널의 후면의 빛의 제2방향성분을 통과시키는 제2편광판을 더 구비하고 상기 액정패널은 제1 및 제2투명전극에 인가되는 전위에 따라 입사광을 그대로 투과하거나 제1방향에서 제2방향으로 변환하는 것을 특징으로 하는 광량조절장치.The liquid crystal display of claim 1, further comprising a first polarizing plate configured to pass a first directional component of light on a front surface of the liquid crystal panel, and a second polarizing plate configured to pass a second directional component of light on a rear surface of the liquid crystal panel. And the panel transmits the incident light as it is or converts it from the first direction to the second direction according to the potential applied to the first and second transparent electrodes. 제1항에 있어서, 상기 액정패널구동수단은 필요한 광량을 나타내는 광량신호를 출력하는 광량신호부와, 광량신호에 따라 상기 액정패널을 선택적으로 구동하기 위하여 제1 및 제2투명전극에 인가하는 액정구동-전기신호들로 바꾸는 액정구동부를 구비하는 것을 특징으로 하는 광량조절장치.2. The liquid crystal panel driving means according to claim 1, wherein the liquid crystal panel driving means includes a light quantity signal section for outputting a light quantity signal representing a required light quantity, and a liquid crystal applied to the first and second transparent electrodes to selectively drive the liquid crystal panel according to the light quantity signal. Drive-A light quantity adjusting device comprising a liquid crystal driving unit for converting into electrical signals. 제4항에 있어서, 광량신호부는 사용자에 의하여 조작되는 것을 특징으로 하는 광량조절장치.The light quantity control device according to claim 4, wherein the light quantity signal unit is operated by a user. 제4항에 있어서, 광량신호부는 빛의 세기를 감지하는 센서의 의한 신호를 입력하여 카메라의 입사광량을 결정하고 그에 따른 광량신호를 출력하는 마이콤임을 특징으로 하는 광량조절장치.The light quantity control device according to claim 4, wherein the light quantity signal unit is a micom that inputs a signal of a sensor for detecting light intensity to determine the incident light quantity of the camera and outputs the light quantity signal accordingly. 제1항에 있어서, 상기 복수의 제2-투명전극들은 중앙의 하나의 사각형 모양과 접착적으로 커지는 사가테모양인 것들임을 특징으로 하는 광량조절장치.The light quantity adjusting device according to claim 1, wherein the plurality of second-transparent electrodes are sagate-shaped, which are adhesively large with one rectangular shape in the center. 제2항 또는 제7항에 있어서, 제2-투명전극들의 수를 N이라고 하고 빛의 통과되는 신호를 A라고 하고 빛의 차단되는 신호를 B라고 할 때, 액정구동수단은 필요한 입사광량이 전무한 경우에는 모든 제2-투명전극들에 신호B를 인가하고 필요한 입사광량이 늘어남에 따라 중앙의 제2-투명전극으로부터 점차로 가장자리의 제2-투명전극까지 신호A를 인가하여 주는 것을 특징으로 하는 광량조절장치.The liquid crystal driving means according to claim 2 or 7, wherein the number of the second transparent electrodes is N, the light passing signal is A, and the light blocking signal is B. In this case, as the signal B is applied to all the second transparent electrodes and the required amount of incident light increases, the signal A is applied from the central second transparent electrode to the edge second transparent electrode gradually. Regulator. 카메라에 있어서, 액정물질이 봉입된 한 쌍의 투명기판, 상기 한 쌍의 기판중 어느 한 기판의 내면상에 형성된 제1-투명전극, 및 상기 한 쌍의 기판중 다른 한 기판의 내면상에 형성되고 복수의 영역으로 분할된 복수의 제2-투명전극을 구비하고 카메라의 광로상에 배치된 액정패널과, 사용자의 셧터동작이 이루어지는 싯점에서 상기 액정패널의 복수의 제2-투명전극의 선택된 부분을 선택된 시간동안만 구동하여 제1 및 제2투명전극 사이에 인가되는 전위에 의해 액정물질의 배열구조를 제어함으로써 투과되는 빛을 조절하는 액정패널 구동수단과를 구비하는 것을 특징으로 하는 전자조리개셔터장치.A camera comprising: a pair of transparent substrates encapsulated with a liquid crystal material, a first-transparent electrode formed on an inner surface of one of the pair of substrates, and an inner surface of the other one of the pair of substrates And a plurality of second transparent electrodes arranged on the optical path of the camera having a plurality of second transparent electrodes divided into a plurality of regions, and selected portions of the plurality of second transparent electrodes of the liquid crystal panel at the point where the user's shutter operation is performed. And a liquid crystal panel driving means for controlling light transmitted by controlling the arrangement structure of the liquid crystal material by a potential applied between the first and second transparent electrodes by driving only for a selected time. Device. 제9항에 있어서, 상기 액정패널의 전면에 빛의 제1방향선분을 통과시키는 제1편광판과, 액정패널의 후면에 빛의 제2방향성분을 통과시키는 제2편광판을 더 구비하고 상기 액정패널은 제1 및 제2투명전극에 인가되는 전위에 의하여 입사하는 빛을 그대로 투과하거나 빛의 파동방향을 제1방향에서 제2방향으로 변환하여 투과시키는 것을 특징으로 하는 전자조리개셔터장치.The liquid crystal panel of claim 9, further comprising a first polarizing plate configured to pass a first direction line of light on a front surface of the liquid crystal panel, and a second polarizing plate configured to pass a second direction component of light on a rear surface of the liquid crystal panel. The electronic aperture shutter device characterized in that the light transmitted by the potential applied to the first and the second transparent electrode as it is, or transmits the wave direction of light from the first direction to the second direction. 제9항에 있어서, 액정패널 구동수단은 필요한 광량에 따라 입사광을 받아들이는 부분에 대한 광량조절신호에 입사광을 받아들이는 시간에 대한 노출시간신호를 출력하는 광량신호부와, 입사광을 받아들이는 싯점을 제어하는 셔터와, 광량조절신호에 따라 빛이 투과되는 부분을 결저하여 셔터동작이 이루어지는 싯점에서 노출시간신호동안 액정패널의 제2-투명전극에 빛을 투과할 수 있는 전위를 인가하는 액정구동부를 구비하는 것을 특징으로 하는 전자조리개셔터장치.10. The liquid crystal panel driving means according to claim 9, wherein the liquid crystal panel driving means outputs a light amount signal portion for outputting an exposure time signal with respect to a time for receiving incident light in a light amount control signal for a portion for receiving incident light according to a required amount of light, and a point of receiving light for incident light. The control unit and the liquid crystal drive unit for applying a potential for transmitting light to the second transparent electrode of the liquid crystal panel during the exposure time signal at the time when the shutter operation is performed by combining the light transmitting part in accordance with the light amount control signal. Electronic aperture shutter device characterized in that it comprises. 제11항에 있어서, 광량신호부는 빛의 세기를 감지하는 센서에 의한 신호를 입력하여 카메라의 입사광량을 결정하고 그에 따라 빛을 받아들이는 공간을 결정하는 광량조절신호와 빛을 받아들이는 시간을 결정하는 노출시간신호를 출력하는 마이콤임을 특징으로 하는 전자조리개셔터장치.The method of claim 11, wherein the light quantity signal unit receives a signal from the sensor for detecting the intensity of the light to determine the amount of incident light of the camera, and accordingly determines the light intensity control signal and the time to receive the light to determine the space to receive the light Electronic aperture shutter device characterized in that the micom outputs an exposure time signal. 제9항에 있어서, 상기 제2-투명전극들은 광로상에 동심원상으로 형성한것을 특징으로 하는 전자조리개셔터장치.The electronic iris shutter apparatus according to claim 9, wherein the second transparent electrodes are formed concentrically on the optical path. 제9항에 있어서, 상기 제2-투명전극들은 중앙의 하나의 사각형 모양과 점차적으로 커지는 사각테모양인 것들임을 특징으로 하는 전자조리개셔터장치.10. The electronic iris shutter apparatus according to claim 9, wherein the second transparent electrodes are one rectangular shape in the center and rectangular rectangles that gradually increase. 제13항 또는 제14항에 있어서, 제2-투명전극들의 수를 N이라고 하고 빛을 통과하는 신호를 A라고 하고 빛을 차단하는 신호를 B라고 할 때, 액정구동부는 필요한 입사광량이 전무한 경우에는 모든 제2-투명전극들에 신호B를 인가하고 필요한 입사광량이 늘어남에 따라 중앙의 제2-투명전극으로부터 점차로 가장자리의 제2-투명전극까지 신호A를 인가하여 주는 것을 특징으로 하는 전자조리개셔터장치.The liquid crystal drive unit according to claim 13 or 14, wherein when the number of the second transparent electrodes is N, the signal passing through the light is A, and the signal blocking the light is B, The electronic diaphragm is characterized by applying the signal B to all the second transparent electrodes and gradually applying the signal A from the central second transparent electrode to the edge second transparent electrode as the amount of incident light increases. Shutter device. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920000579A 1992-01-16 1992-01-16 The intensity of radiation control device and shutter device KR950010843B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990016709A (en) * 1997-08-19 1999-03-15 윤종용 Adaptive Video Input Device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100645635B1 (en) * 2004-11-30 2006-11-15 삼성전기주식회사 Image pick-up module comprising an optical device
WO2013005921A1 (en) * 2011-07-06 2013-01-10 에이치기술(주) Device for adjusting an amount of incident light, and method for controlling same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990016709A (en) * 1997-08-19 1999-03-15 윤종용 Adaptive Video Input Device

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