JP4939958B2 - 液晶表示装置 - Google Patents
液晶表示装置 Download PDFInfo
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- JP4939958B2 JP4939958B2 JP2007021993A JP2007021993A JP4939958B2 JP 4939958 B2 JP4939958 B2 JP 4939958B2 JP 2007021993 A JP2007021993 A JP 2007021993A JP 2007021993 A JP2007021993 A JP 2007021993A JP 4939958 B2 JP4939958 B2 JP 4939958B2
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- 239000004973 liquid crystal related substance Substances 0.000 title claims description 28
- 238000006243 chemical reaction Methods 0.000 claims description 58
- 239000003990 capacitor Substances 0.000 claims description 32
- 230000008707 rearrangement Effects 0.000 claims 1
- 238000013459 approach Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000004904 shortening Methods 0.000 description 4
- UDQDXYKYBHKBTI-IZDIIYJESA-N 2-[4-[4-[bis(2-chloroethyl)amino]phenyl]butanoyloxy]ethyl (2e,4e,6e,8e,10e,12e)-docosa-2,4,6,8,10,12-hexaenoate Chemical compound CCCCCCCCC\C=C\C=C\C=C\C=C\C=C\C=C\C(=O)OCCOC(=O)CCCC1=CC=C(N(CCCl)CCCl)C=C1 UDQDXYKYBHKBTI-IZDIIYJESA-N 0.000 description 3
- 102220597188 DNA-directed RNA polymerases I, II, and III subunit RPABC2_T11A_mutation Human genes 0.000 description 3
- 102220365273 c.61A>G Human genes 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 102220266011 rs1555053873 Human genes 0.000 description 3
- 102220038417 rs184594943 Human genes 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 1
Images
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
- G09G3/34—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
- G09G3/3688—Details of drivers for data electrodes suitable for active matrices only
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
-
- 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
-
- 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
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0264—Details of driving circuits
- G09G2310/0281—Arrangement of scan or data electrode driver circuits at the periphery of a panel not inherent to a split matrix structure
-
- 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
- G09G2310/0291—Details of output amplifiers or buffers arranged for use in a driving 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
- G09G2310/0297—Special arrangements with multiplexing or demultiplexing of display data in the drivers for data electrodes, in a pre-processing circuitry delivering display data to said drivers or in the matrix panel, e.g. multiplexing plural data signals to one D/A converter or demultiplexing the D/A converter output to multiple columns
-
- 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
- G09G2320/0233—Improving the luminance or brightness uniformity across the screen
-
- 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
- G09G3/3614—Control of polarity reversal in general
-
- 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
- G09G3/3696—Generation of voltages supplied to electrode drivers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
- Liquid Crystal (AREA)
Description
図1は、第1の実施の形態に係る液晶表示装置の概略の構成図である。
次に、第1の実施の形態の動作を説明する。
次に、第2の実施の形態に係る液晶表示装置について説明する。なお、第1の実施の形態で説明したものと同一あるいは類似のものには同一符号を付与することで便宜を図ることとする。
次に、第2の実施の形態の動作を説明する。
4A…上位ビット変換部
4B…下位ビット変換部
6…階調電圧生成回路
21L、21U…選択回路
31L、31U…アンプ回路
41L、41U…DA変換回路
51L…信号処理回路
61…電源
62…ラダー抵抗
Claims (3)
- 複数の画素で構成された表示部と、
予め定められた数の前記画素ごとに該画素に接続された信号線と、
ラダー抵抗における複数の回路節点に電圧を発生させる階調電圧生成回路と、
前記複数の回路節点から、画素の輝度を定めるデジタルデータで定まる電位が生じる回路節点を選択するDA変換回路と、
コンデンサを備え、前記選択された回路節点から、当該コンデンサに電荷を配置するアンプ回路と、
該アンプ回路で増幅された後の電圧を信号線に与える電圧供給手段と、
前記複数の回路節点の電圧の中での最大電圧と最小電圧の間の中間電圧を出力する電源と、
前記選択された回路節点から前記コンデンサへの電荷配置に先立ち、前記電源から前記コンデンサに電荷を配置する回路と
を備えることを特徴とする液晶表示装置。 - 複数の画素で構成された表示部と、
予め定められた数の前記画素ごとに該画素に接続された信号線と、
ラダー抵抗における複数の回路節点に電圧を発生させる階調電圧生成回路と、
前記複数の回路節点から、画素の輝度を定めるデジタルデータの上位ビットで定まる電圧範囲の両端電位が生じる回路節点を選択する上位ビット変換部と、
複数のコンデンサを備え、前記選択された回路節点から、当該コンデンサに電荷を配置し、1つの当該コンデンサの電極の電圧が前記デジタルデータに応じたものとなるように、当該デジタルデータの下位ビットに応じた電荷の再配置を行う下位ビット変換部と、
前記電極の電圧を増幅するアンプ回路と、
該アンプ回路で増幅された後の電圧を信号線に与える電圧供給手段と、
前記複数の回路節点の電圧の中での最大電圧と最小電圧の間の中間電圧を出力する電源と、
前記選択された回路節点から前記コンデンサへの電荷配置に先立ち、前記電源から前記コンデンサに電荷を配置する回路と
を備えることを特徴とする液晶表示装置。 - 前記電圧供給手段は、前記複数の信号線を組分けした各組で信号線を順次に選択し、選択された信号線に接続された画素の輝度を定めるデジタルデータにより得た電圧を当該信号線に与える選択回路であることを特徴とする請求項1または2記載の液晶表示装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007021993A JP4939958B2 (ja) | 2007-01-31 | 2007-01-31 | 液晶表示装置 |
TW096137309A TW200831993A (en) | 2007-01-31 | 2007-10-04 | Liquid crystal display device capable of reducing irregularlity in brightness |
CN2007101669338A CN101236730B (zh) | 2007-01-31 | 2007-10-29 | 能够降低亮度不均匀性的液晶显示装置 |
US11/929,691 US20080180379A1 (en) | 2007-01-31 | 2007-10-30 | Liquid Crystal Display Device Capable of Reducing Irregularity in Brightness |
KR1020080009526A KR100899503B1 (ko) | 2007-01-31 | 2008-01-30 | 휘도 얼룩을 감소시킬 수 있는 액정 표시 장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007021993A JP4939958B2 (ja) | 2007-01-31 | 2007-01-31 | 液晶表示装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008185997A JP2008185997A (ja) | 2008-08-14 |
JP4939958B2 true JP4939958B2 (ja) | 2012-05-30 |
Family
ID=39667385
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007021993A Active JP4939958B2 (ja) | 2007-01-31 | 2007-01-31 | 液晶表示装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20080180379A1 (ja) |
JP (1) | JP4939958B2 (ja) |
KR (1) | KR100899503B1 (ja) |
CN (1) | CN101236730B (ja) |
TW (1) | TW200831993A (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102591535B1 (ko) * | 2019-03-29 | 2023-10-20 | 삼성디스플레이 주식회사 | 감마 전압 생성 장치 및 이를 포함하는 표시 장치 |
CN112863332B (zh) * | 2021-01-05 | 2023-03-14 | 厦门天马微电子有限公司 | 显示面板和显示装置 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3564347B2 (ja) * | 1999-02-19 | 2004-09-08 | 株式会社東芝 | 表示装置の駆動回路及び液晶表示装置 |
JP3718607B2 (ja) | 1999-07-21 | 2005-11-24 | 株式会社日立製作所 | 液晶表示装置及び映像信号線駆動装置 |
JP4521903B2 (ja) * | 1999-09-30 | 2010-08-11 | ティーピーオー ホンコン ホールディング リミテッド | 液晶表示装置 |
JP3700558B2 (ja) | 2000-08-10 | 2005-09-28 | 日本電気株式会社 | 駆動回路 |
JP2002328659A (ja) | 2001-04-27 | 2002-11-15 | Toshiba Corp | 表示装置 |
JP2003216115A (ja) * | 2002-01-21 | 2003-07-30 | Matsushita Electric Ind Co Ltd | 液晶表示装置 |
JP4225777B2 (ja) * | 2002-02-08 | 2009-02-18 | シャープ株式会社 | 表示装置ならびにその駆動回路および駆動方法 |
JP4438285B2 (ja) * | 2002-12-18 | 2010-03-24 | ソニー株式会社 | 表示装置 |
CN100399121C (zh) * | 2003-01-08 | 2008-07-02 | 东芝松下显示技术有限公司 | 液晶显示装置 |
JP2004240235A (ja) * | 2003-02-07 | 2004-08-26 | Hitachi Ltd | 表示装置用lsi |
JP4199141B2 (ja) * | 2004-02-23 | 2008-12-17 | 東芝松下ディスプレイテクノロジー株式会社 | 表示信号処理装置および表示装置 |
JP3922261B2 (ja) * | 2004-03-08 | 2007-05-30 | セイコーエプソン株式会社 | データドライバ及び表示装置 |
JP4179194B2 (ja) * | 2004-03-08 | 2008-11-12 | セイコーエプソン株式会社 | データドライバ、表示装置及びデータドライバの制御方法 |
US6999015B2 (en) * | 2004-06-03 | 2006-02-14 | E. I. Du Pont De Nemours And Company | Electronic device, a digital-to-analog converter, and a method of using the electronic device |
JP2006119581A (ja) * | 2004-09-24 | 2006-05-11 | Koninkl Philips Electronics Nv | アクティブマトリクス型液晶表示装置およびその駆動方法 |
CN1755783A (zh) * | 2004-09-27 | 2006-04-05 | 中华映管股份有限公司 | 液晶显示装置的电荷中和控制电路及其方法 |
KR100685816B1 (ko) * | 2005-02-18 | 2007-02-22 | 삼성에스디아이 주식회사 | 필드순차 구동방법 및 필드순차 구동형 액정표시장치 |
JP5264048B2 (ja) * | 2005-05-23 | 2013-08-14 | ゴールドチャームリミテッド | 液晶表示装置及びその駆動方法 |
US7480656B2 (en) * | 2006-03-20 | 2009-01-20 | Sony Computer Entertainment America Inc. | Active validation of network devices |
US8622837B2 (en) * | 2006-03-20 | 2014-01-07 | Sony Computer Entertainment America Llc | Managing game metrics and authorizations |
US8771061B2 (en) * | 2006-03-20 | 2014-07-08 | Sony Computer Entertainment America Llc | Invalidating network devices with illicit peripherals |
-
2007
- 2007-01-31 JP JP2007021993A patent/JP4939958B2/ja active Active
- 2007-10-04 TW TW096137309A patent/TW200831993A/zh unknown
- 2007-10-29 CN CN2007101669338A patent/CN101236730B/zh active Active
- 2007-10-30 US US11/929,691 patent/US20080180379A1/en not_active Abandoned
-
2008
- 2008-01-30 KR KR1020080009526A patent/KR100899503B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US20080180379A1 (en) | 2008-07-31 |
TW200831993A (en) | 2008-08-01 |
JP2008185997A (ja) | 2008-08-14 |
KR20080071926A (ko) | 2008-08-05 |
CN101236730A (zh) | 2008-08-06 |
KR100899503B1 (ko) | 2009-05-27 |
CN101236730B (zh) | 2011-02-16 |
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