IT8021719A0 - Circuito modulatore per un dispositivo di visualizzazione a matrice. - Google Patents

Circuito modulatore per un dispositivo di visualizzazione a matrice.

Info

Publication number
IT8021719A0
IT8021719A0 IT8021719A IT2171980A IT8021719A0 IT 8021719 A0 IT8021719 A0 IT 8021719A0 IT 8021719 A IT8021719 A IT 8021719A IT 2171980 A IT2171980 A IT 2171980A IT 8021719 A0 IT8021719 A0 IT 8021719A0
Authority
IT
Italy
Prior art keywords
display device
matrix display
modulator circuit
modulator
circuit
Prior art date
Application number
IT8021719A
Other languages
English (en)
Other versions
IT1142161B (it
Inventor
Lorteije Jean Hubertus Josef
Warrink Geert
Scheneider Henri Willem
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of IT8021719A0 publication Critical patent/IT8021719A0/it
Application granted granted Critical
Publication of IT1142161B publication Critical patent/IT1142161B/it

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control 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
    • G09G3/2007—Display of intermediate tones
    • G09G3/2077—Display of intermediate tones by a combination of two or more gradation control methods
    • G09G3/2081—Display of intermediate tones by a combination of two or more gradation control methods with combination of amplitude modulation and time modulation
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/12—Scanning 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0243—Details of the generation of driving signals
    • G09G2310/0259—Details of the generation of driving signals with use of an analog or digital ramp generator in the column driver or in the pixel circuit
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0264—Details of driving circuits
    • G09G2310/027—Details of drivers for data electrodes, the drivers handling digital grey scale data, e.g. use of D/A converters
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/06—Details of flat display driving waveforms
    • G09G2310/066—Waveforms comprising a gently increasing or decreasing portion, e.g. ramp
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
    • G09G2320/0276—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control 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
    • G09G3/2007—Display of intermediate tones
    • G09G3/2011—Display of intermediate tones by amplitude modulation
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control 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
    • G09G3/2007—Display of intermediate tones
    • G09G3/2014—Display of intermediate tones by modulation of the duration of a single pulse during which the logic level remains constant

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)
  • Control Of El Displays (AREA)
  • Picture Signal Circuits (AREA)
  • Liquid Crystal Display Device Control (AREA)
IT21719/80A 1979-05-04 1980-04-29 Circuito modulare per un dispositivo di visualizzazione a matrice IT1142161B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7903515A NL7903515A (nl) 1979-05-04 1979-05-04 Modulatorschakeling voor een matrixweergeefinrichting.

Publications (2)

Publication Number Publication Date
IT8021719A0 true IT8021719A0 (it) 1980-04-29
IT1142161B IT1142161B (it) 1986-10-08

Family

ID=19833105

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21719/80A IT1142161B (it) 1979-05-04 1980-04-29 Circuito modulare per un dispositivo di visualizzazione a matrice

Country Status (7)

Country Link
US (1) US4353062A (it)
JP (1) JPS55156994A (it)
DE (1) DE3017134C2 (it)
FR (1) FR2455828A1 (it)
GB (1) GB2047453B (it)
IT (1) IT1142161B (it)
NL (1) NL7903515A (it)

Families Citing this family (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1239468A (en) * 1984-01-13 1988-07-19 Yuji Watanabe Video display system
DE3475591D1 (en) * 1984-01-13 1989-01-12 Philips Nv Matrix control circuit for a memory display
JPS60158780A (ja) * 1984-01-27 1985-08-20 Sony Corp 表示装置
DE3686428T2 (de) * 1985-03-08 1993-01-14 Ascii Corp Anzeigesteuersystem.
GB8622714D0 (en) * 1986-09-20 1986-10-29 Emi Plc Thorn Display device
GB8622715D0 (en) * 1986-09-20 1986-10-29 Emi Plc Thorn Display device
US4766430A (en) * 1986-12-19 1988-08-23 General Electric Company Display device drive circuit
US4742346A (en) * 1986-12-19 1988-05-03 Rca Corporation System for applying grey scale codes to the pixels of a display device
JP2852042B2 (ja) * 1987-10-05 1999-01-27 株式会社日立製作所 表示装置
FR2622724B1 (fr) * 1987-10-30 1993-02-12 Thomson Csf Dispositif de generation de niveaux de brillance sur un ecran de visualisation
JP2620585B2 (ja) * 1989-01-31 1997-06-18 シャープ株式会社 表示装置の駆動方法および装置
JPH02245793A (ja) 1989-03-20 1990-10-01 Hitachi Ltd マトリックス表示装置
US7212181B1 (en) * 1989-03-20 2007-05-01 Hitachi, Ltd. Multi-tone display device
NL8901480A (nl) * 1989-06-12 1991-01-02 Philips Nv Aanstuurschakeling voor een matrix weergeefinrichting.
US5956004A (en) * 1993-05-11 1999-09-21 Micron Technology, Inc. Controlling pixel brightness in a field emission display using circuits for sampling and discharging
DE4427673B4 (de) * 1993-08-05 2007-07-19 Micron Technology, Inc. (N.D.Ges.D. Staates Delaware) Feldemissionsanzeige
US5703617A (en) * 1993-10-18 1997-12-30 Crystal Semiconductor Signal driver circuit for liquid crystal displays
US5574475A (en) * 1993-10-18 1996-11-12 Crystal Semiconductor Corporation Signal driver circuit for liquid crystal displays
GB9704149D0 (en) * 1996-08-16 1997-04-16 Philips Electronics Nv Active matrix display devices and methods of driving such
US5889602A (en) * 1996-12-10 1999-03-30 Motorola, Inc. Optical hinge
US6496173B1 (en) * 2000-03-29 2002-12-17 Koninklijke Philips Electronics N.V. RLCD transconductance sample and hold column buffer
JP2001312246A (ja) * 2000-05-01 2001-11-09 Sony Corp 変調回路およびこれを用いた画像表示装置
US7283142B2 (en) * 2000-07-28 2007-10-16 Clairvoyante, Inc. Color display having horizontal sub-pixel arrangements and layouts
US7274383B1 (en) 2000-07-28 2007-09-25 Clairvoyante, Inc Arrangement of color pixels for full color imaging devices with simplified addressing
US6950115B2 (en) * 2001-05-09 2005-09-27 Clairvoyante, Inc. Color flat panel display sub-pixel arrangements and layouts
US8022969B2 (en) * 2001-05-09 2011-09-20 Samsung Electronics Co., Ltd. Rotatable display with sub-pixel rendering
EP1314149B1 (en) 2000-07-28 2014-05-21 Samsung Display Co., Ltd. Arrangement of color pixels for full color imaging devices with simplified addressing
KR20020059490A (ko) * 2001-01-06 2002-07-13 엘지전자 주식회사 평판표시장치 및 그 구동방법
US7184066B2 (en) * 2001-05-09 2007-02-27 Clairvoyante, Inc Methods and systems for sub-pixel rendering with adaptive filtering
US7123277B2 (en) 2001-05-09 2006-10-17 Clairvoyante, Inc. Conversion of a sub-pixel format data to another sub-pixel data format
US7221381B2 (en) 2001-05-09 2007-05-22 Clairvoyante, Inc Methods and systems for sub-pixel rendering with gamma adjustment
AU2002353139A1 (en) 2001-12-14 2003-06-30 Clairvoyante Laboratories, Inc. Improvements to color flat panel display sub-pixel arrangements and layouts with reduced visibility of a blue luminance well
US7492379B2 (en) 2002-01-07 2009-02-17 Samsung Electronics Co., Ltd. Color flat panel display sub-pixel arrangements and layouts for sub-pixel rendering with increased modulation transfer function response
US20040051724A1 (en) 2002-09-13 2004-03-18 Elliott Candice Hellen Brown Four color arrangements of emitters for subpixel rendering
US7755652B2 (en) 2002-01-07 2010-07-13 Samsung Electronics Co., Ltd. Color flat panel display sub-pixel rendering and driver configuration for sub-pixel arrangements with split sub-pixels
US7417648B2 (en) * 2002-01-07 2008-08-26 Samsung Electronics Co. Ltd., Color flat panel display sub-pixel arrangements and layouts for sub-pixel rendering with split blue sub-pixels
GB0218172D0 (en) * 2002-08-06 2002-09-11 Koninkl Philips Electronics Nv Electroluminescent display device
US7046256B2 (en) 2003-01-22 2006-05-16 Clairvoyante, Inc System and methods of subpixel rendering implemented on display panels
US20040196302A1 (en) * 2003-03-04 2004-10-07 Im Moon Hwan Systems and methods for temporal subpixel rendering of image data
US7167186B2 (en) 2003-03-04 2007-01-23 Clairvoyante, Inc Systems and methods for motion adaptive filtering
US6917368B2 (en) * 2003-03-04 2005-07-12 Clairvoyante, Inc. Sub-pixel rendering system and method for improved display viewing angles
US7352374B2 (en) 2003-04-07 2008-04-01 Clairvoyante, Inc Image data set with embedded pre-subpixel rendered image
US7268748B2 (en) 2003-05-20 2007-09-11 Clairvoyante, Inc Subpixel rendering for cathode ray tube devices
US7230584B2 (en) 2003-05-20 2007-06-12 Clairvoyante, Inc Projector systems with reduced flicker
US7397455B2 (en) 2003-06-06 2008-07-08 Samsung Electronics Co., Ltd. Liquid crystal display backplane layouts and addressing for non-standard subpixel arrangements
US7209105B2 (en) 2003-06-06 2007-04-24 Clairvoyante, Inc System and method for compensating for visual effects upon panels having fixed pattern noise with reduced quantization error
US20040246280A1 (en) 2003-06-06 2004-12-09 Credelle Thomas Lloyd Image degradation correction in novel liquid crystal displays
US7187353B2 (en) 2003-06-06 2007-03-06 Clairvoyante, Inc Dot inversion on novel display panel layouts with extra drivers
US8035599B2 (en) 2003-06-06 2011-10-11 Samsung Electronics Co., Ltd. Display panel having crossover connections effecting dot inversion
US7218301B2 (en) * 2003-06-06 2007-05-15 Clairvoyante, Inc System and method of performing dot inversion with standard drivers and backplane on novel display panel layouts
US7525526B2 (en) 2003-10-28 2009-04-28 Samsung Electronics Co., Ltd. System and method for performing image reconstruction and subpixel rendering to effect scaling for multi-mode display
US7084923B2 (en) 2003-10-28 2006-08-01 Clairvoyante, Inc Display system having improved multiple modes for displaying image data from multiple input source formats
US20050250821A1 (en) * 2004-04-16 2005-11-10 Vincent Sewalt Quaternary ammonium compounds in the treatment of water and as antimicrobial wash
US7590299B2 (en) * 2004-06-10 2009-09-15 Samsung Electronics Co., Ltd. Increasing gamma accuracy in quantized systems
KR100797749B1 (ko) 2006-06-02 2008-01-24 리디스 테크놀로지 인코포레이티드 Ｐａｍ 구동방식과 ｐｗｍ 구동방식을 동시에 적용한 유기발광 표시 장치 및 구동회로

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA949159A (en) * 1970-06-20 1974-06-11 Teruo Sato Scanning apparatus for dc el crossed-grid panel
JPS5331698Y2 (it) * 1973-05-19 1978-08-07
US3883778A (en) * 1973-12-03 1975-05-13 Hitachi Ltd Driving apparatus for display element
NL7603056A (nl) * 1976-03-24 1977-09-27 Philips Nv Televisieweergeefinrichting.
JPS53105317A (en) * 1977-02-25 1978-09-13 Hitachi Ltd Luminance adjusting circuit
NL7702395A (en) * 1977-03-07 1978-09-11 Philips Nv Modulator for matrix display on TV receiver - uses bit signal conductors for control via gating circuits functioning as multiplier
JPS5345088A (en) * 1977-05-11 1978-04-22 Tokyo Shibaura Electric Co Electromagnetic vibrating treating device
JPS54109722A (en) * 1978-02-16 1979-08-28 Sony Corp Flat-type picture display device

Also Published As

Publication number Publication date
NL7903515A (nl) 1980-11-06
GB2047453B (en) 1982-12-08
DE3017134C2 (de) 1984-03-22
DE3017134A1 (de) 1980-11-20
JPS55156994A (en) 1980-12-06
GB2047453A (en) 1980-11-26
FR2455828B1 (it) 1984-04-20
US4353062A (en) 1982-10-05
IT1142161B (it) 1986-10-08
FR2455828A1 (fr) 1980-11-28

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