KR960020351A - 투사형 화상표시장치의 화소보정장치 - Google Patents

투사형 화상표시장치의 화소보정장치 Download PDF

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Publication number
KR960020351A
KR960020351A KR1019940029495A KR19940029495A KR960020351A KR 960020351 A KR960020351 A KR 960020351A KR 1019940029495 A KR1019940029495 A KR 1019940029495A KR 19940029495 A KR19940029495 A KR 19940029495A KR 960020351 A KR960020351 A KR 960020351A
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KR
South Korea
Prior art keywords
signal
pixel
correction
control signal
unit
Prior art date
Application number
KR1019940029495A
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English (en)
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KR0147939B1 (ko
Inventor
이근우
김의준
Original Assignee
배순훈
대우전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 배순훈, 대우전자 주식회사 filed Critical 배순훈
Priority to KR1019940029495A priority Critical patent/KR0147939B1/ko
Priority to DE69516360T priority patent/DE69516360T2/de
Priority to ES95117606T priority patent/ES2146696T3/es
Priority to EP95117606A priority patent/EP0712244B1/en
Priority to MYPI95003409A priority patent/MY113856A/en
Priority to US08/556,113 priority patent/US5870076A/en
Priority to MX9703405A priority patent/MX9703405A/es
Priority to CN95196164A priority patent/CN1077377C/zh
Priority to AR33419795A priority patent/AR000114A1/es
Priority to CZ971418A priority patent/CZ141897A3/cs
Priority to JP8515935A priority patent/JPH10508993A/ja
Priority to BR9509645A priority patent/BR9509645A/pt
Priority to TW084111924A priority patent/TW279222B/zh
Priority to RU97110111A priority patent/RU2144280C1/ru
Priority to CA002204853A priority patent/CA2204853A1/en
Priority to PCT/KR1995/000145 priority patent/WO1996015623A1/en
Priority to AU38164/95A priority patent/AU699158B2/en
Priority to HU9800824A priority patent/HU222299B1/hu
Priority to PL95320192A priority patent/PL178863B1/pl
Priority to UY24084A priority patent/UY24084A1/es
Priority to PE1995284323A priority patent/PE42797A1/es
Publication of KR960020351A publication Critical patent/KR960020351A/ko
Application granted granted Critical
Publication of KR0147939B1 publication Critical patent/KR0147939B1/ko

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/20—Circuitry for controlling amplitude response
    • H04N5/202—Gamma control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
    • H04N5/7416—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal
    • H04N5/7458—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal the modulator being an array of deformable mirrors, e.g. digital micromirror device [DMD]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S359/00—Optical: systems and elements
    • Y10S359/904—Micromirror

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Picture Signal Circuits (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Liquid Crystal Display Device Control (AREA)

Abstract

본 발명은 투사형 화상표시장치의 화소보정장치에 관한 것으로서, 입력되는 영상신호를 인가받아 적색, 녹색 및 청색의 색신호로 분리하는 알.지.비 복호기와, 화상표시를 위한 동기신호를 분리하는 동기분리부와, 제어신호를 출력하는 제어신호 발생부와, 제어신호를 인가받아 디지탈 신호를 출력하는 A/D컨버터와, 제조특성을 보정하는 감마보정부와, 각 화소의 경사도에 대한 보정치를 저장하고 있는 판독용 메모리부와, 초대유효숫자의 값을 판단하는 부호판별기와, 각 화소의 경사치 보정을 수행하는 전가산기와, 자리올림수가 발생되는 것을 판단하는 자리올림 보정기와, 보정신호를 출력하는 입출력회로와, 수직구동신호를 출력하는 수직구동부와, 수평구동신호를 출력하는 수평구동부와, 구동신호를 인가받아 구동된 액츄에이터 미러 어레이를 구비한다.
따라서, 본 발명은 전가산기 1개를 사용하므로 집적회로의 처리시간을 단축할 수 있고 실행시간을 조절하기가 용이하고 각 화소의 양방향을 보정할 수 있다.

Description

투사형 화상표시장치의 화소보정장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제2도는 본 발명에 따른 투사형 화상표시장치의 화소보정 장치의 블럭도.

Claims (6)

  1. 입력되는 영상신호를 인가받아 적색, 녹색 및 청색의 색신호로 분리하는 알. 지. 비 복호기(51)와, 상기 알. 지. 비 복호기(51)와 동시에 영상신호를 인가받아 화상표시를 위한 동기신호를 분리하는 동기분리부(53)와, 상기 동기분리부(53)의 동기신호를 인가받아 화상표시를 위한 제어신호를 출력하는 제어신호 발생부(57)와, 상기 제어신호 발생부(57)의 제어신호를 인가받아 디지탈 신호를 출력하는 A/D컨버터(55)와, 상기 A/D컨버터(55)의 디지탈 신호를 인가받아 계조특성을 보정하는 감마보정부(59)와, 기설정된 각 화소의 경사도에 대한 보정치를 저장하고 있는 판독용 메모리부(61)와, 상기 판독용 메모리부(61)의 최대유효숫자의 값을 판단하는 부호판별기(63)와, 상기 부호판별기(63)의 판단결과에 따라 각 화소의 경사치 보정을 수행하는 전가산기(65)와, 상기 전가산기(65)의 보정된 신호를 인가받아 자리올림수가 발생되는 것은 판단하는 자리올림 보정기(67)와, 상기 자리올림 보정기(67)의 신호를 인가받아 선입선출방식으로 출력하는 입출력회로(69)와, 상기 입출력회로(69)의 신호를 인가받아 수직구동신호를 출력하는 수직구동부(71)와, 상기 제어신호 발생부(57)의 신호를 인가받아 수평구동신호를 출력하는 수평구동부(73)와, 상기 수직구동부(71)와 수평구동부(73)의 구동신호를 인가받아 구동되는 액츄에이터 미러 어레이(75)를 구비한다.
  2. 제1항에 있어서, 상기 부호판별기(63)가 판독용 메모리부(61)의 최대유효숫자가 1 또는 0인지를 판별하는 투사형 화상표시장치의 화소보정장치.
  3. 제1항에 있어서, 상기 전가산기(65)가 부호판별기(63)의 판별신호에 따라 최대유효숫자의 값이 1이면 뺄셈을 수행하여 음(-)의 방향을 보정하는 투사형 화상표시장치의 화소보정장치.
  4. 제3항에 있어서, 상기 전가산기(65)가 부호판별기(63)의 판별신호에 따라 최대유효숫자의 값이 0이면 덧셈을 수행하여 양(+)의 방향을 보정하는 투사형 화상표시장치의 화소보정장치.
  5. 제1항에 있어서, 상기 자리올림 보정기(67)가 최대유효숫자 0일 때 자리올림수가 1인 경우 모든 출력을 1로 세팅하는 투사형 화상표시장치의 화소보정장치.
  6. 제5항에 있어서, 상기 자리올림 보정기(67)가 최대유효숫자가 1일 때 자리올림수가 0인 경우 모든 출력을 0으로 세팅하는 투사형 화상표시장치의 화소보정장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940029495A 1994-11-11 1994-11-11 투사형 화상표시장치의 화소보정장치 KR0147939B1 (ko)

Priority Applications (21)

Application Number Priority Date Filing Date Title
KR1019940029495A KR0147939B1 (ko) 1994-11-11 1994-11-11 투사형 화상표시장치의 화소보정장치
DE69516360T DE69516360T2 (de) 1994-11-11 1995-11-08 Vorrichtung zum Korrigieren der Pixeldaten zur Anwendung bei einer Matrix von angetriebenen Spiegeln
ES95117606T ES2146696T3 (es) 1994-11-11 1995-11-08 Aparato de correccion de datos de pixels para utilizar con una matriz de espejos accionados.
EP95117606A EP0712244B1 (en) 1994-11-11 1995-11-08 Pixel data correction apparatus for use with an actuated mirror array
US08/556,113 US5870076A (en) 1994-11-11 1995-11-09 Pixel data correction apparatus for use with an actuated mirror array
MYPI95003409A MY113856A (en) 1994-11-11 1995-11-09 Pixel data correction apparatus for use with an actuated mirror array
BR9509645A BR9509645A (pt) 1994-11-11 1995-11-10 Aparelho para usar com um conjunto de espelhos atuados m x n (ama) incluído em um sistema de projeção ótica
AR33419795A AR000114A1 (es) 1994-11-11 1995-11-10 Aparato para la corrección de unidades elementalesde información (pixeles) para ser usado en un con junto de espejos accionados
CZ971418A CZ141897A3 (cs) 1994-11-11 1995-11-10 Přístroj pro úpravu dat obrazového prvku, který se používá se seskupením ovládaných zrcadel
JP8515935A JPH10508993A (ja) 1994-11-11 1995-11-10 画素データ訂正装置
MX9703405A MX9703405A (es) 1994-11-11 1995-11-10 Aparato de correccion de datos de pixel para usarse con una disposicion de espejos accionada.
TW084111924A TW279222B (ko) 1994-11-11 1995-11-10
RU97110111A RU2144280C1 (ru) 1994-11-11 1995-11-10 Устройство коррекции данных элементов изображения для использования с решеткой возбуждаемых зеркал
CA002204853A CA2204853A1 (en) 1994-11-11 1995-11-10 Pixel data correction apparatus for use with an actuated mirror array
PCT/KR1995/000145 WO1996015623A1 (en) 1994-11-11 1995-11-10 Pixel data correction apparatus for use with an actuated mirror array
AU38164/95A AU699158B2 (en) 1994-11-11 1995-11-10 Pixel data correction apparatus for use with an actuated mirror array
HU9800824A HU222299B1 (hu) 1994-11-11 1995-11-10 Képponti adatkorrekciós berendezés működtetett tükörelem elrendezéshez
PL95320192A PL178863B1 (pl) 1994-11-11 1995-11-10 Układ korekcji danych pikselowych do układu zwierciadeł ruchomych w optycznym urządzeniu projekcyjnym
CN95196164A CN1077377C (zh) 1994-11-11 1995-11-10 带致动的反射镜阵列的象素数据校正装置
UY24084A UY24084A1 (es) 1994-11-11 1995-11-13 Aparato de correccion de datos de pixel para uso con un conjunto de espejos accionados
PE1995284323A PE42797A1 (es) 1994-11-11 1995-12-06 Aparato de correccion de los datos pixel para ser usado con un conjunto de espejos accionados

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940029495A KR0147939B1 (ko) 1994-11-11 1994-11-11 투사형 화상표시장치의 화소보정장치

Publications (2)

Publication Number Publication Date
KR960020351A true KR960020351A (ko) 1996-06-17
KR0147939B1 KR0147939B1 (ko) 1998-09-15

Family

ID=36955927

Family Applications (1)

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KR1019940029495A KR0147939B1 (ko) 1994-11-11 1994-11-11 투사형 화상표시장치의 화소보정장치

Country Status (21)

Country Link
US (1) US5870076A (ko)
EP (1) EP0712244B1 (ko)
JP (1) JPH10508993A (ko)
KR (1) KR0147939B1 (ko)
CN (1) CN1077377C (ko)
AR (1) AR000114A1 (ko)
AU (1) AU699158B2 (ko)
BR (1) BR9509645A (ko)
CA (1) CA2204853A1 (ko)
CZ (1) CZ141897A3 (ko)
DE (1) DE69516360T2 (ko)
ES (1) ES2146696T3 (ko)
HU (1) HU222299B1 (ko)
MX (1) MX9703405A (ko)
MY (1) MY113856A (ko)
PE (1) PE42797A1 (ko)
PL (1) PL178863B1 (ko)
RU (1) RU2144280C1 (ko)
TW (1) TW279222B (ko)
UY (1) UY24084A1 (ko)
WO (1) WO1996015623A1 (ko)

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US6962419B2 (en) 1998-09-24 2005-11-08 Reflectivity, Inc Micromirror elements, package for the micromirror elements, and projection system therefor
US6424076B1 (en) * 1998-10-07 2002-07-23 The B. F. Goodrich Company Incremental switched deformable mirror
US6377270B1 (en) * 1999-07-30 2002-04-23 Microsoft Corporation Method and system for transforming color coordinates by direct calculation
JP2001092413A (ja) * 1999-09-24 2001-04-06 Semiconductor Energy Lab Co Ltd Ｅｌ表示装置および電子装置
US6541863B1 (en) 2000-01-05 2003-04-01 Advanced Micro Devices, Inc. Semiconductor device having a reduced signal processing time and a method of fabricating the same
US7012731B2 (en) * 2000-08-30 2006-03-14 Reflectivity, Inc Packaged micromirror array for a projection display
US7023606B2 (en) * 2001-08-03 2006-04-04 Reflectivity, Inc Micromirror array for projection TV
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GB2461912A (en) * 2008-07-17 2010-01-20 Micron Technology Inc Method and apparatus for dewarping and/or perspective correction of an image
JP5509729B2 (ja) * 2009-08-24 2014-06-04 ソニー株式会社 画像表示装置、画像表示方法及び画像処理装置
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Also Published As

Publication number Publication date
DE69516360T2 (de) 2000-08-24
BR9509645A (pt) 1997-09-16
HUT77727A (hu) 1998-07-28
AU699158B2 (en) 1998-11-26
CZ141897A3 (cs) 1998-02-18
CA2204853A1 (en) 1996-05-23
KR0147939B1 (ko) 1998-09-15
PE42797A1 (es) 1997-11-27
JPH10508993A (ja) 1998-09-02
TW279222B (ko) 1996-06-21
MX9703405A (es) 1998-04-30
AU3816495A (en) 1996-06-06
WO1996015623A1 (en) 1996-05-23
HU222299B1 (hu) 2003-06-28
CN1163036A (zh) 1997-10-22
PL320192A1 (en) 1997-09-15
EP0712244A2 (en) 1996-05-15
UY24084A1 (es) 1996-04-12
RU2144280C1 (ru) 2000-01-10
MY113856A (en) 2002-06-29
US5870076A (en) 1999-02-09
PL178863B1 (pl) 2000-06-30
DE69516360D1 (de) 2000-05-25
ES2146696T3 (es) 2000-08-16
AR000114A1 (es) 1997-05-21
EP0712244B1 (en) 2000-04-19
CN1077377C (zh) 2002-01-02
EP0712244A3 (en) 1997-03-12

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