KR960018639A - 온 상태 결함의 가능성을 줄인 공간 광 변조기 - Google Patents

온 상태 결함의 가능성을 줄인 공간 광 변조기 Download PDF

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Publication number
KR960018639A
KR960018639A KR1019950044147A KR19950044147A KR960018639A KR 960018639 A KR960018639 A KR 960018639A KR 1019950044147 A KR1019950044147 A KR 1019950044147A KR 19950044147 A KR19950044147 A KR 19950044147A KR 960018639 A KR960018639 A KR 960018639A
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South Korea
Prior art keywords
light modulator
spatial light
memory cell
pair
display device
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KR1019950044147A
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English (en)
Inventor
엘. 부바 로히트
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윌리엄 이. 힐러
텍사스 인스트루먼츠 인코포레이티드
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Application filed by 윌리엄 이. 힐러, 텍사스 인스트루먼츠 인코포레이티드 filed Critical 윌리엄 이. 힐러
Publication of KR960018639A publication Critical patent/KR960018639A/ko

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
    • G02B26/0833—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements the reflecting element being a micromechanical device, e.g. a MEMS mirror, DMD
    • G02B26/0841—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements the reflecting element being a micromechanical device, e.g. a MEMS mirror, DMD the reflecting element being moved or deformed by electrostatic means

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)

Abstract

공간 광 변조기(10)은 회로중 일부 사이의 단락(70 및 72)이 “오프”상태 결합을 초래하는 것을 보장하는 제어 회로(40,42,44, 및 46)를 가진다. 픽셀 소자(11) 집합은 메모리 셀(12)를 분할하는데, 한 집합내의 각 픽셀 소자(11)는 리세트 선에 의해 온 또는 오프 상태로 스위치되어 동일 집합내의 다른 픽셀 소자(11)로부터 이격된다. 한 쌍의 어드레스 전극 에치(44 및 46)는 각자로부터 이격되고, 한 쌍의 데이타 캐링 에치(40 및 42)를 스트래들(shaddle)한다. 메모리 셀(12)을 로드하지 않을 때 데이타 에치(40 및 42)에는 0이 로드되어서 어드레스 전극 에치와 데이타 에치사이의 단락은 리세트 펄스에 대한 “오프”상태 픽셀 결함을 초래한다.

Description

온 상태 결함의 가능성을 줄인 공간 광 변조기
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 픽셀 군과 관련된 메모리 셀을 가진 SLM 배열의 일부분의 블럭도.
제2도는 4개의 픽셀로 된 팬아웃을 가진 메모리 셀을 도시하는 도면.
제3도는 DMD형 SLM 미러 소자의 2 안정 동작을 도시하는 도면.
제4도는 어드레스시 점선으로 도시된, 상부에 위치한 관련 미러 소자의 편향을 결정하도록 바이어싱되는 픽셀 어드레싱 전극에 제어 신호를 전송하는 데이타 또는 비트 에치 및 어드레스 전극 에치의 설계를 도시하는 도면.

Claims (16)

  1. 공간 광 변조기에 있어서, 개변 표시 장치 셀의 배열; 각각의 상기 표시 장치 셀과 연관된 에모리 셀; 한 쌍이 각 상기 표시 장치 셀에 기능적으로 연결된 다수의 어드레스 전극쌍; 서로 인접하게 연장되고 상기 메모리 셀에 연결된 한 쌍의 데이타 선; 및 상기 데이타 선에 의해 서로 이격되며, 상기 메모리 셀에 연결되며 적어도 하나의 상기 어드레스 전극 쌍에 연결된 한 쌍의 전극 선을 포함하는 것을 특징으로 하는 공간 광 변조기(spatial light modulator).
  2. 제1항에 있어서, 상기 각 전극 선은 다수의 상기 어드레스 전극쌍에 연결된 것을 특징으로 하는 공간 광 변조기.
  3. 제2항에 있어서, 각 상기 표시 장치 셀은 그와 관련된 이격된 리세트 선을 가지는 것을 특징으로 하는 공간 광 변조기.
  4. 제1항에 있어서, 상기 메모리 셀은 다수의 상기 표시 장치 셀과 관련된 것을 특징으로 하는 공간 광 변조기.
  5. 제4항에 있어서, 1 메모리 셀 기입 선은 다수의 상기 어드레스 전극쌍과 관련된 것을 특징으로 하는 공간 광 변조기.
  6. 제1항에 있어서, 상기 어드레스 전극쌍이 인버터를 통해 서로 연결된 것을 특징으로 하는 공간 광 변조기.
  7. 제1항에 있어서, 상기 어드레스 전극쌍이 한 쌍의 인버터를 통해 서로 연결된 것을 특징으로 하는 공간 광 변조기.
  8. 제1항에 있어서, 상기 메모리 셀은 SRAM 메모리 셀을 구비한 것을 특징으로 하는 공간 광 변조기.
  9. 제1항에 있어서, 상기 데이타 선 및 상기 전극 선은 모눌리식인 것을 특징으로 하는 공간 광 변조기.
  10. 제1항에 있어서, 상기 각 데이타 선은 패스 게이트(pass gate)를 통해서 하나의 상기 전극 선에 연결된 것을 특징으로 하는 공간 광 변조기.
  11. 제9항에 있어서, 상기 패스 게이트 각각은 적어도 하나의 트랜지스터를 구비하는 것을 특징으로 하는 공간 광 변조기.
  12. 제1항에 있어서, 상기 메모리 셀은 CMOS로 수행되는 것을 특징으로 하는 공간 광 변조기.
  13. 제1항에 있어서, 상기 메모리 셀은 NMOS로 수행되는 것을 특징으로 하는 공간 광 변조기.
  14. 제1항에 있어서, 상기 메모리 셀은 PMOS로 수행되는 것을 특징으로 하는 공간 광 변조기.
  15. 제1항에 있어서, 상기 표시 장치 셀은 마이크로 미러를 포함하는 것을 특징으로 하는 공간 광 변조기.
  16. 제15항에 있어서, 상기 하나의 어드레스 전극쌍이 상기 하나의 마이크로 미러 아래에 위치한 것을 특징으로 하는 공간 광 변조기.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950044147A 1994-11-30 1995-11-28 온 상태 결함의 가능성을 줄인 공간 광 변조기 KR960018639A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/346,812 1994-11-30
US08/346,812 US5610624A (en) 1994-11-30 1994-11-30 Spatial light modulator with reduced possibility of an on state defect

Publications (1)

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KR960018639A true KR960018639A (ko) 1996-06-17

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US (1) US5610624A (ko)
EP (1) EP0715199B1 (ko)
JP (1) JPH08227044A (ko)
KR (1) KR960018639A (ko)
DE (1) DE69531926T2 (ko)
TW (1) TW303447B (ko)

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US5610624A (en) 1997-03-11
TW303447B (ko) 1997-04-21
EP0715199A3 (en) 1998-06-17
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EP0715199B1 (en) 2003-10-15
JPH08227044A (ja) 1996-09-03
DE69531926D1 (de) 2003-11-20

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