[go: up one dir, main page]

DE69423036D1 - Anzeige von Halbtonbildern mittels räumlichem Lichtmodulator und modulierter Lichtquelle - Google Patents

Anzeige von Halbtonbildern mittels räumlichem Lichtmodulator und modulierter Lichtquelle

Info

Publication number
DE69423036D1
DE69423036D1 DE69423036T DE69423036T DE69423036D1 DE 69423036 D1 DE69423036 D1 DE 69423036D1 DE 69423036 T DE69423036 T DE 69423036T DE 69423036 T DE69423036 T DE 69423036T DE 69423036 D1 DE69423036 D1 DE 69423036D1
Authority
DE
Germany
Prior art keywords
display
light source
halftone images
light modulator
spatial light
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69423036T
Other languages
English (en)
Other versions
DE69423036T2 (de
Inventor
Koji Ashizaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Texas Instruments Inc
Original Assignee
Sony Corp
Texas Instruments Inc
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.)
Filing date
Publication date
Application filed by Sony Corp, Texas Instruments Inc filed Critical Sony Corp
Publication of DE69423036D1 publication Critical patent/DE69423036D1/de
Application granted granted Critical
Publication of DE69423036T2 publication Critical patent/DE69423036T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3433Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices
    • G09G3/346Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices based on modulation of the reflection angle, e.g. micromirrors
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/2007Display of intermediate tones
    • G09G3/2018Display of intermediate tones by time modulation using two or more time intervals
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/2007Display of intermediate tones
    • G09G3/2018Display of intermediate tones by time modulation using two or more time intervals
    • G09G3/2022Display of intermediate tones by time modulation using two or more time intervals using sub-frames
    • G09G3/2029Display of intermediate tones by time modulation using two or more time intervals using sub-frames the sub-frames having non-binary weights
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406Control of illumination source
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/12Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by switched stationary formation of lamps, photocells or light relays
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/74Projection arrangements for image reproduction, e.g. using eidophor
    • H04N5/7416Projection 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
    • H04N5/7458Projection 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]
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00Command of the display device
    • G09G2310/02Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0237Switching ON and OFF the backlight within one frame
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00Command of the display device
    • G09G2310/06Details of flat display driving waveforms
    • G09G2310/066Waveforms comprising a gently increasing or decreasing portion, e.g. ramp
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00Control of display operating conditions
    • G09G2320/06Adjustment of display parameters
    • G09G2320/0626Adjustment of display parameters for control of overall brightness
    • G09G2320/0633Adjustment of display parameters for control of overall brightness by amplitude modulation of the brightness of the illumination source
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/2007Display of intermediate tones

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Transforming Electric Information Into Light Information (AREA)
DE69423036T 1993-12-24 1994-12-21 Anzeige von Halbtonbildern mittels räumlichem Lichtmodulator und modulierter Lichtquelle Expired - Lifetime DE69423036T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP34757693A JP3351888B2 (ja) 1993-12-24 1993-12-24 階調表現方法及び画像表現装置

Publications (2)

Publication Number Publication Date
DE69423036D1 true DE69423036D1 (de) 2000-03-23
DE69423036T2 DE69423036T2 (de) 2000-06-29

Family

ID=18391156

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69423036T Expired - Lifetime DE69423036T2 (de) 1993-12-24 1994-12-21 Anzeige von Halbtonbildern mittels räumlichem Lichtmodulator und modulierter Lichtquelle

Country Status (4)

Country Link
EP (1) EP0660593B1 (de)
JP (1) JP3351888B2 (de)
KR (1) KR100289023B1 (de)
DE (1) DE69423036T2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5990983A (en) * 1994-09-30 1999-11-23 Laser Power Corporation High resolution image projection system and method employing lasers
US5668611A (en) * 1994-12-21 1997-09-16 Hughes Electronics Full color sequential image projection system incorporating pulse rate modulated illumination
WO1998020475A1 (en) * 1996-11-01 1998-05-14 Laser Power Corporation Projection display with gradation levels obtained by modulation of beamlets
US6154259A (en) * 1996-11-27 2000-11-28 Photera Technologies, Inc. Multi-beam laser scanning display system with speckle elimination
JP2001337311A (ja) 2000-05-29 2001-12-07 Sony Corp 液晶表示素子の駆動方法
US7564874B2 (en) * 2004-09-17 2009-07-21 Uni-Pixel Displays, Inc. Enhanced bandwidth data encoding method
EP1650736A1 (de) * 2004-10-25 2006-04-26 Barco NV Modulation der Rückbeleuchtung für eine Bildanzeigevorrichtung
JP5798707B2 (ja) 2008-01-28 2015-10-21 セイコーエプソン株式会社 画像表示装置、その制御方法及び電子機器
JP2010091895A (ja) * 2008-10-10 2010-04-22 Toppoly Optoelectronics Corp アクティブマトリクス型ディスプレイ装置
WO2014112032A1 (ja) * 2013-01-15 2014-07-24 Necディスプレイソリューションズ株式会社 画像表示装置および画像表示方法
JP6102992B2 (ja) * 2015-07-09 2017-03-29 セイコーエプソン株式会社 画像表示装置、その制御方法及び電子機器
WO2020039954A1 (ja) * 2018-08-20 2020-02-27 ソニー株式会社 表示装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2040258T3 (es) * 1986-09-20 1993-10-16 Thorn Emi Plc Dispositivo de pantalla.
US5032924A (en) * 1989-04-10 1991-07-16 Nilford Laboratories, Inc. System for producing an image from a sequence of pixels
GB9024978D0 (en) * 1990-11-16 1991-01-02 Rank Cintel Ltd Digital mirror spatial light modulator
US5151718A (en) * 1990-12-31 1992-09-29 Texas Instruments Incorporated System and method for solid state illumination for dmd devices
GB2251511A (en) * 1991-01-04 1992-07-08 Rank Brimar Ltd Display device.

Also Published As

Publication number Publication date
EP0660593B1 (de) 2000-02-16
KR950023016A (ko) 1995-07-28
KR100289023B1 (ko) 2001-05-02
EP0660593A1 (de) 1995-06-28
JP3351888B2 (ja) 2002-12-03
JPH07212686A (ja) 1995-08-11
DE69423036T2 (de) 2000-06-29

Similar Documents

Publication Publication Date Title
EP0466082A3 (en) Method of modulating light and optical modulator
DE69425840D1 (de) Mikromechanischer Lichtmodulator und Drucksystem mit optischer Überlappung
KR910006750A (ko) 공간 광 변조기 및 변조 방법
KR890015058A (ko) 공간 광 변조기 및 변조 방법
DE69425926D1 (de) Räumlicher Lichtmodulator und richtungsabhängiger Anzeigesystem
DE69629875D1 (de) Räumlicher Lichtmodulator und gerichtete Anzeigevorrichtung
DE69421894D1 (de) Graustufendruck mit Verwendung von räumlichen Lichtmodulatoren
DE69826210D1 (de) Lichtmodulierendes element und projektionsanzeige
KR100320567B1 (ko) 액정광변조장치및재료
EP0785458A4 (de) Flächenhafte lichtquelle und flüssigkristall-anzeigevorrichtung
DE69319962D1 (de) Beleuchtungsvorrichtung und Projektionsbildanzeigevorrichtung unter Benutzung derselben
DE69428148D1 (de) Farbabänderung von Bildern
DE69424604D1 (de) Räumliche Lichtmodulation
DE69616916D1 (de) Flache lichtquelle und flüssigkristall-anzeigevorrichtung
DE69423036D1 (de) Anzeige von Halbtonbildern mittels räumlichem Lichtmodulator und modulierter Lichtquelle
NO940357L (no) Elektro-optisk modulator
DE69531010D1 (de) Ansteuerungsschaltung eines optischen Modulators
DE69802738D1 (de) Durchsichtige Farbanzeige von Objekten auf einem Bildhintergrund
DE69318660D1 (de) Räumlicher Lichtmodulator zur Phasenreglung und Prozessor optischer Informationen mit demselben
DE69330735D1 (de) Optisch adressierter räumlicher Lichtmodulator
DE69431453D1 (de) Räumlicher Lichtmodulator und Ansteuerungsverfahren
FR2597641B1 (fr) Dispositif de modulation de la lumiere d'eclairement d'un ecran d'affichage electro-optique
FR2689983B1 (fr) Dispositif electrochromiques pour la modulation de la lumiere, notamment de type ecrans et afficheurs.
DE69327861D1 (de) Farbbildanzeigevorrichtung
GB9705437D0 (en) Spatial light modulator and display

Legal Events

Date Code Title Description
8364 No opposition during term of opposition