TW280058B - - Google Patents

Info

Publication number
TW280058B
TW280058B TW084108108A TW84108108A TW280058B TW 280058 B TW280058 B TW 280058B TW 084108108 A TW084108108 A TW 084108108A TW 84108108 A TW84108108 A TW 84108108A TW 280058 B TW280058 B TW 280058B
Authority
TW
Taiwan
Application number
TW084108108A
Other languages
Chinese (zh)
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Application granted granted Critical
Publication of TW280058B publication Critical patent/TW280058B/zh

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
    • G09G3/2011—Display of intermediate tones by amplitude modulation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66—Digital/analogue converters
    • H03M1/664—Non-linear conversion not otherwise provided for in subgroups of H03M1/66
    • 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
    • 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
    • G09G3/34—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 by control of light from an independent source
    • G09G3/36—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 by control of light from an independent source using liquid crystals
    • 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
    • G09G3/34—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 by control of light from an independent source
    • G09G3/36—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 by control of light from an independent source using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3685—Details of drivers for data electrodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66—Digital/analogue converters
    • H03M1/74—Simultaneous conversion
    • H03M1/76—Simultaneous conversion using switching tree
    • H03M1/765—Simultaneous conversion using switching tree using a single level of switches which are controlled by unary decoded digital signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Picture Signal Circuits (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Analogue/Digital Conversion (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
TW084108108A 1994-09-05 1995-08-03 TW280058B (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6211214A JP2708380B2 (ja) 1994-09-05 1994-09-05 ガンマ補正を行うディジタル・アナログ変換装置及び液晶表示装置

Publications (1)

Publication Number Publication Date
TW280058B true TW280058B (OSRAM) 1996-07-01

Family

ID=16602202

Family Applications (1)

Application Number Title Priority Date Filing Date
TW084108108A TW280058B (OSRAM) 1994-09-05 1995-08-03

Country Status (3)

Country Link
US (1) US5724036A (OSRAM)
JP (1) JP2708380B2 (OSRAM)
TW (1) TW280058B (OSRAM)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6380917B2 (en) * 1997-04-18 2002-04-30 Seiko Epson Corporation Driving circuit of electro-optical device, driving method for electro-optical device, and electro-optical device and electronic equipment employing the electro-optical device
US6256010B1 (en) * 1997-06-30 2001-07-03 Industrial Technology Research Institute Dynamic correction of LCD gamma curve
US5877717A (en) * 1997-12-15 1999-03-02 Industrial Technology Research Institute D/A converter with a Gamma correction circuit
US6466189B1 (en) * 2000-03-29 2002-10-15 Koninklijke Philips Electronics N.V. Digitally controlled current integrator for reflective liquid crystal displays
US6636205B1 (en) * 2000-04-10 2003-10-21 Infocus Corporation Method and apparatus for determining a clock tracking frequency in a single vertical sync period
JP2003150115A (ja) * 2001-08-29 2003-05-23 Seiko Epson Corp 電流生成回路、半導体集積回路、電気光学装置および電子機器
US6525683B1 (en) * 2001-09-19 2003-02-25 Intel Corporation Nonlinearly converting a signal to compensate for non-uniformities and degradations in a display
US7668894B2 (en) * 2003-08-22 2010-02-23 Apple Inc. Computation of power functions using polynomial approximations
JP3979377B2 (ja) * 2003-11-06 2007-09-19 セイコーエプソン株式会社 電流生成回路、電気光学装置及び電子機器
KR100670137B1 (ko) 2004-10-08 2007-01-16 삼성에스디아이 주식회사 디지털/아날로그 컨버터와 이를 이용한 표시 장치 및 그표시 패널과 구동 방법
KR100658619B1 (ko) 2004-10-08 2006-12-15 삼성에스디아이 주식회사 디지털/아날로그 컨버터와 이를 이용한 표시 장치 및 그표시 패널과 구동 방법
KR100688803B1 (ko) * 2004-11-23 2007-03-02 삼성에스디아이 주식회사 전류 범위 제어회로, 데이터 구동부 및 발광 표시장치
US7570233B2 (en) * 2004-11-24 2009-08-04 Semiconductor Energy Laboratory Co., Ltd. Display device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8324711D0 (en) * 1983-09-15 1983-10-19 Ferranti Plc Cathode ray tube display systems
JPS6120434A (ja) * 1984-07-09 1986-01-29 Hitachi Ltd Ｄａ変換器
JP3071590B2 (ja) * 1993-01-05 2000-07-31 日本電気株式会社 液晶ディスプレイ装置
KR940025290A (ko) * 1993-04-21 1994-11-19 배순훈 트랜지스터의 증폭도를 이용한 감마 보정회로

Also Published As

Publication number Publication date
JPH0884307A (ja) 1996-03-26
JP2708380B2 (ja) 1998-02-04
US5724036A (en) 1998-03-03

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Legal Events

Date Code Title Description
MK4A Expiration of patent term of an invention patent