JP4459685B2 - 液晶表示装置 - Google Patents
液晶表示装置 Download PDFInfo
- Publication number
- JP4459685B2 JP4459685B2 JP2004106138A JP2004106138A JP4459685B2 JP 4459685 B2 JP4459685 B2 JP 4459685B2 JP 2004106138 A JP2004106138 A JP 2004106138A JP 2004106138 A JP2004106138 A JP 2004106138A JP 4459685 B2 JP4459685 B2 JP 4459685B2
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- electrode
- crystal display
- display device
- pixel
- 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
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims description 232
- 239000000758 substrate Substances 0.000 claims description 118
- 230000001105 regulatory effect Effects 0.000 claims description 29
- 239000003990 capacitor Substances 0.000 claims description 17
- 238000003860 storage Methods 0.000 claims description 7
- 239000010408 film Substances 0.000 description 66
- 238000010586 diagram Methods 0.000 description 37
- 238000002834 transmittance Methods 0.000 description 29
- 230000005540 biological transmission Effects 0.000 description 18
- 230000003071 parasitic effect Effects 0.000 description 15
- 230000008878 coupling Effects 0.000 description 14
- 238000010168 coupling process Methods 0.000 description 14
- 238000005859 coupling reaction Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 14
- 230000000694 effects Effects 0.000 description 13
- 230000007423 decrease Effects 0.000 description 12
- 239000011159 matrix material Substances 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 239000004020 conductor Substances 0.000 description 8
- 239000004642 Polyimide Substances 0.000 description 7
- 230000008859 change Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 229920001721 polyimide Polymers 0.000 description 7
- 230000004048 modification Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 6
- 238000000206 photolithography Methods 0.000 description 6
- 239000011651 chromium Substances 0.000 description 5
- 229910052581 Si3N4 Inorganic materials 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 238000005229 chemical vapour deposition Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 4
- 229910021417 amorphous silicon Inorganic materials 0.000 description 3
- 235000013372 meat Nutrition 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000005240 physical vapour deposition Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910018575 Al—Ti Inorganic materials 0.000 description 1
- 241000282412 Homo Species 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000036528 appetite Effects 0.000 description 1
- 235000019789 appetite Nutrition 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920001690 polydopamine Polymers 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
Images
Classifications
-
- 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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
- G02F1/134336—Matrix
-
- 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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
-
- 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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
- G02F1/134345—Subdivided pixels, e.g. for grey scale or redundancy
-
- 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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
- G02F1/134345—Subdivided pixels, e.g. for grey scale or redundancy
- G02F1/134354—Subdivided pixels, e.g. for grey scale or redundancy the sub-pixels being capacitively coupled
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0439—Pixel structures
- G09G2300/0443—Pixel structures with several sub-pixels for the same colour in a pixel, not specifically used to display gradations
-
- 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
- G09G2320/0209—Crosstalk reduction, i.e. to reduce direct or indirect influences of signals directed to a certain pixel of the displayed image on other pixels of said image, inclusive of influences affecting pixels in different frames or fields or sub-images which constitute a same image, e.g. left and right images of a stereoscopic display
-
- 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
- G09G2320/0242—Compensation of deficiencies in the appearance of colours
-
- 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
- G09G2320/028—Improving the quality of display appearance by changing the viewing angle properties, e.g. widening the viewing angle, adapting the viewing angle to the view direction
-
- 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
- G09G3/3607—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 for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels
-
- 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
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Geometry (AREA)
- Liquid Crystal (AREA)
Description
図11は本発明の第1の実施形態の液晶表示装置を示す平面図、図12は同じくその模式断面図である。
図14は、本発明の第2の実施形態の液晶表示装置の1画素を示す平面図である。図14において、図11と同一物には同一符号を付してその詳しい説明は省略する。
図17は、本発明の第3の実施形態の液晶表示装置の1画素を示す平面図である。本実施形態が第1の実施形態と異なる点は、スリットにより画定される副画素電極の形状が異なることになり、その他の構成は基本的に第1の実施形態と同様であるので、図17において図11と同一物には同一符号を付してその詳しい説明は省略する。
図18は、本発明の第4の実施形態の液晶表示装置の1画素を示す平面図である。本実施形態が図17に示す第3の実施形態と異なる点は、スリットにより画定される副画素電極の形状が異なることにあり、その他の構成は基本的に第3の実施形態と同様であるので、図18において図17と同一物には同一符号を付してその詳しい説明は省略する。
図20は、本発明の第5の実施形態の液晶表示装置の1画素を示す平面図である。本実施形態が図18に示す第4の実施形態と異なる点は、接続配線のパターン形状が異なることにあり、その他の構成は基本的に第4の実施形態と同様であるので、図20において図18と同一物には同一符号を付して、その詳しい説明は省略する。
図21は本発明の第6の実施形態の液晶表示装置の1画素を示す平面図、図22は図21中に破線の円Aで囲んだ部分を拡大して示す模式図、図23は図21中に破線の円Bで囲んだ部分を拡大して示す模式図である。なお、図21において、図20と同一物には同一符号を付して、その詳しい説明は省略する。
図26は本発明の第7の実施形態の液晶表示装置の1画素を示す平面図である。本実施形態が図11に示す第1の実施形態と異なる点は、スリットにより画定される副画素電極の形状と対向基板側に形成される突起のパターン形状とが異なることにあり、その他の構成は基本的に第1の実施形態と同様であるので、図26において図11と同一物には同一符号を付してその詳しい説明は省略する。
図30に示すように、赤色(R)画素、緑色(G)画素及び青色(B)画素のセルギャップが相互に異なるマルチギャップ構造の液晶表示装置では、画素電極とコモン電極との間の容量(液晶容量)が各色画素毎に異なる。例えば図30に示すように、青色画素Bのセルギャップが3.6μm、緑色画素Gのセルギャップが4.6μm、赤色画素Rのセルギャップが5.6μmであるとすると、青色画素Bの液晶容量は緑色画素Gの液晶容量の(4.6/3.6)倍となる。第1〜第7の実施形態に示したように、容量結合による電圧降下を赤色画素、緑色画素及び青色画素で等しくするためには、液晶容量と制御電極との容量比が一定であることが必要である。従って、制御電極と副画素電極の重なり量をセルギャップの逆比にすることが必要である。すなわち、図31に示すように、緑色画素Gの制御電極113Gの面積を赤色画素Rの制御電極113Rの(5.6/4.6)倍とする。また、青色画素Bの制御電極113Bを緑色画素Gの制御電極113Gの(4.6/3.6)倍とする。
本願発明のように容量結合とVAモードの液晶表示装置とを組み合わせた場合、副画素電極の面積の比率と電圧の比率には最適な値の範囲が存在する。図33〜図35はそのパラメータの組み合わせについて調べた結果を示す図である。これらの図33〜図35において、横軸は副画素電極の面積比を示している。すなわち、TFTに直結した副画素電極の面積(低しきい値領域の面積)と、制御電極に容量結合した副画素電極の面積(高しきい値領域の面積)との比を示している。また、縦軸は電圧比、すなわち制御電極に容量結合された副画素電極の電圧/TFTに直結した副画素電極の電圧を示す。容量結合された副画素電極の電圧は、容量の分圧で決定される。
前記第1の基板及び前記第2の基板の間に封入された垂直配向型液晶と、
前記第1の基板に設けられて走査信号が供給されるゲートバスラインと、
前記第1の基板に設けられて表示信号が供給されるデータバスラインと、
前記ゲートバスライン及び前記データバスラインにより画定される画素領域毎に形成されたスイッチング素子及び画素電極と、
前記第1の基板の画素領域に設けられて前記スイッチング素子と接続された制御電極と、
前記第2の基板に設けられたコモン電極とを有し、
前記画素電極が複数の副画素電極に分割され、前記複数の副画素電極のうちの少なくとも一部の副画素電極が前記制御電極と容量結合し、前記制御電極に電圧が印加されると、前記制御電極に容量結合した副画素電極に、前記制御電極との間で形成される容量と前記液晶を介して前記コモン電極との間で形成される容量との比に応じた電圧が印加されることを特徴とする液晶表示装置。
前記第1の基板及び前記第2の基板の間に封入された液晶と、
前記第1の基板に設けられて走査信号が供給されるゲートバスラインと、
前記第1の基板に設けられて表示信号が供給されるデータバスラインと、
前記ゲートバスライン及び前記データバスラインにより画定される画素領域内に配置され、スリットにより複数の副画素電極に分割された画素電極と、
前記ゲートバスライン及び前記データバスラインに接続されたスイッチング素子と、
前記スイッチング素子に接続されて前記複数の副画素電極の少なくとも1つと容量結合する制御電極と、
前記第2の基板に設けられたコモン電極とを有し、
前記画素電極を分割するスリットの少なくとも一部が、電圧印加時の液晶分子の配向方向を規定するドメイン規制用構造物を構成することを特徴とする液晶表示装置。
前記制御電極のうち前記第1の副画素電極に容量結合する部分と前記第2の副画素電極に容量結合する部分との間が、前記補助容量バスラインよりも細い配線で接続されていることを特徴とする付記14に記載の液晶表示装置。
12,56…画素電極、
12a,56a,84,117a,150a,150b,150c,180a…スリット、
13,23,71,85,124,187…突起、
14,24,118,125…配向膜、
22、123…コモン電極
30,130…液晶
40…液晶パネル、
41,42…偏光板、
51,111…ゲートバスライン、
52,112…補助容量バスライン、
53…補助容量電極、
54,114…TFT
55,115…データバスライン、
61,62,131,132…絶縁膜、
81a〜81d,116a〜116d,151a〜151d,161a〜161d,181a〜181e…副画素電極、
82a〜82d,83,113,183a,183b,113R,113G,113B…制御電極、
115a,115b,153a,153b,163a,163b,185a,185b…接続配線、
121…ブラックマトリクス、
122…カラーフィルタ、
170…ITO膜、
190…散乱層。
Claims (6)
- MVA(Multi-domain Vertical Alignment)型液晶表示装置において、
相互に対向して配置された第1の基板及び第2の基板と、
前記第1の基板及び前記第2の基板の間に封入された液晶と、
前記第1の基板に設けられて走査信号が供給されるゲートバスラインと、
前記第1の基板に設けられて表示信号が供給されるデータバスラインと、
前記ゲートバスライン及び前記データバスラインにより画定される画素領域内に配置され、スリットにより複数の副画素電極に分割された画素電極と、
前記ゲートバスライン及び前記データバスラインに接続されたスイッチング素子と、
前記第1の基板に前記画素領域を横断するように形成された補助容量バスラインと、
前記複数の副画素電極のうちの一部の副画素電極と容量結合する制御電極と、
前記スイッチング素子と前記制御電極及び前記複数の副画素電極のうちの残りの副画素電極との間を接続する接続配線と、
前記第2の基板に設けられたコモン電極とを有し、
前記画素電極を分割するスリットの少なくとも一部が、電圧印加時の液晶分子の配向方向を規定するドメイン規制用構造物を構成し、かつ、前記制御電極が前記補助容量バスラインと重なる位置に配置されていることを特徴とする液晶表示装置。 - 前記接続配線の少なくとも一部が、前記副画素電極間のスリットに重なる位置に形成されていることを特徴とする請求項1に記載の液晶表示装置。
- 前記複数の副画素電極のうち前記接続配線を介して前記スイッチング素子に接続された副画素電極の面積の総和S1と、前記制御電極と容量結合する副画素電極の面積の総和S2との比(S1:S2)が、1:9乃至6:4の範囲内であることを特徴とする請求項1又は2に記載の液晶表示装置。
- 前記複数の副画素電極のうち前記接続配線を介して前記スイッチング素子に接続された副画素電極の電圧V1と、前記制御電極と容量結合する副画素電極の電圧V2との比(V2/V1)が、0.8乃至0.59の範囲内であることを特徴とする請求項1又は2に記載の液晶表示装置。
- 前記第2の基板に、電圧印加時の液晶分子の配向方向を規定する第2のドメイン規制用構造物が形成されていることを特徴とする請求項1又は2に記載の液晶表示装置。
- 前記スリットと前記第2のドメイン規制用構造物との間隔が、各副画素電極毎に設定されていることを特徴とする請求項5に記載の液晶表示装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004106138A JP4459685B2 (ja) | 2004-03-31 | 2004-03-31 | 液晶表示装置 |
US11/043,906 US7474292B2 (en) | 2004-03-31 | 2005-01-26 | Liquid crystal display device |
TW094102663A TWI322289B (en) | 2004-03-31 | 2005-01-28 | Liquid crystal display device |
KR1020050016083A KR100814189B1 (ko) | 2004-03-31 | 2005-02-25 | 액정 표시 장치 |
CNB2005100525068A CN100409067C (zh) | 2004-03-31 | 2005-02-28 | 液晶显示器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004106138A JP4459685B2 (ja) | 2004-03-31 | 2004-03-31 | 液晶表示装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005292397A JP2005292397A (ja) | 2005-10-20 |
JP4459685B2 true JP4459685B2 (ja) | 2010-04-28 |
Family
ID=35049787
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004106138A Expired - Lifetime JP4459685B2 (ja) | 2004-03-31 | 2004-03-31 | 液晶表示装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7474292B2 (ja) |
JP (1) | JP4459685B2 (ja) |
KR (1) | KR100814189B1 (ja) |
CN (1) | CN100409067C (ja) |
TW (1) | TWI322289B (ja) |
Families Citing this family (50)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101112539B1 (ko) * | 2004-07-27 | 2012-02-15 | 삼성전자주식회사 | 다중 도메인 액정 표시 장치 및 그에 사용되는 표시판 |
JP4592384B2 (ja) * | 2004-10-25 | 2010-12-01 | シャープ株式会社 | 液晶表示装置 |
JP5090620B2 (ja) * | 2004-12-27 | 2012-12-05 | シャープ株式会社 | 液晶表示装置 |
JP4829501B2 (ja) * | 2005-01-06 | 2011-12-07 | シャープ株式会社 | 液晶表示装置 |
US7573537B2 (en) * | 2005-01-17 | 2009-08-11 | Samsung Electronics Co., Ltd. | Array substrate, liquid crystal display panel having the same and liquid crystal display device having the same |
KR101232618B1 (ko) * | 2005-01-17 | 2013-02-13 | 삼성디스플레이 주식회사 | 어레이 기판, 이를 갖는 액정표시패널 및 액정표시장치 |
KR101133760B1 (ko) | 2005-01-17 | 2012-04-09 | 삼성전자주식회사 | 박막 트랜지스터 표시판 및 이를 포함하는 액정 표시 장치 |
JP4447484B2 (ja) * | 2005-02-15 | 2010-04-07 | シャープ株式会社 | 液晶表示装置 |
KR20060104707A (ko) | 2005-03-31 | 2006-10-09 | 엘지.필립스 엘시디 주식회사 | 액정표시장치 및 그 제조방법 |
KR101261611B1 (ko) * | 2005-09-15 | 2013-05-06 | 삼성디스플레이 주식회사 | 액정표시장치 |
JP2007140089A (ja) * | 2005-11-18 | 2007-06-07 | Hitachi Displays Ltd | 液晶表示装置 |
US7764329B2 (en) * | 2005-12-02 | 2010-07-27 | Au Optronics Corp. | MVA LCD device and pixel circuit thereof |
CN100538481C (zh) * | 2005-12-28 | 2009-09-09 | 友达光电股份有限公司 | 像素结构 |
CN101038407B (zh) * | 2006-03-17 | 2010-09-08 | 奇美电子股份有限公司 | 多显示域垂直取向型液晶显示面板 |
TWI364734B (en) * | 2006-06-30 | 2012-05-21 | Chimei Innolux Corp | Liquid crystal display panel, driving method and liquid crystal displayer |
CN100422808C (zh) * | 2006-08-28 | 2008-10-01 | 友达光电股份有限公司 | 制作液晶面板的方法 |
TWI356247B (en) * | 2006-10-12 | 2012-01-11 | Chimei Innolux Corp | Liquid crystal display |
CN100437261C (zh) * | 2006-10-27 | 2008-11-26 | 友达光电股份有限公司 | 多区域垂直配向液晶面板 |
CN100445854C (zh) * | 2006-11-02 | 2008-12-24 | 上海广电光电子有限公司 | 垂直配向模式的液晶显示装置及其阵列基板的制造方法 |
JP4734503B2 (ja) * | 2007-02-20 | 2011-07-27 | 奇美電子股▲ふん▼有限公司 | マルチドメイン化液晶ディスプレイ |
TWI366174B (en) * | 2007-03-03 | 2012-06-11 | Au Optronics Corp | Pixel control device and display apparatus utilizing said pixel control device |
CN101636690B (zh) * | 2007-03-15 | 2013-07-03 | 夏普株式会社 | 液晶显示装置 |
JP5167781B2 (ja) * | 2007-03-30 | 2013-03-21 | セイコーエプソン株式会社 | 電界駆動型装置、液晶装置及び電子機器 |
CN100428007C (zh) * | 2007-05-22 | 2008-10-22 | 友达光电股份有限公司 | 液晶显示面板及其驱动方法 |
CN101689000B (zh) * | 2007-06-27 | 2012-07-18 | 夏普株式会社 | 液晶显示装置 |
KR101404544B1 (ko) * | 2007-08-07 | 2014-06-10 | 삼성디스플레이 주식회사 | 액정 표시 장치 |
TWI339304B (en) * | 2007-10-16 | 2011-03-21 | Au Optronics Corp | Pixel structure, driving method thereof and pixel array structure |
JP5107421B2 (ja) * | 2008-03-31 | 2012-12-26 | シャープ株式会社 | アクティブマトリクス基板、液晶パネル、液晶表示装置、液晶表示ユニット、テレビジョン受像機 |
KR101501497B1 (ko) | 2008-09-18 | 2015-03-12 | 삼성디스플레이 주식회사 | 액정 표시 장치 |
US8508449B2 (en) * | 2008-12-18 | 2013-08-13 | Sharp Corporation | Adaptive image processing method and apparatus for reduced colour shift in LCDs |
US8698969B2 (en) | 2009-03-05 | 2014-04-15 | Sharp Kabushiki Kaisha | Active matrix substrate, method for producing active matrix substrate, liquid crystal panel, method for producing liquid crystal panel, liquid crystal display device, liquid crystal display unit, and television receiver |
WO2010100788A1 (ja) * | 2009-03-05 | 2010-09-10 | シャープ株式会社 | アクティブマトリクス基板、液晶パネル、液晶表示装置、液晶表示ユニット、テレビジョン受像機 |
US8976209B2 (en) | 2009-03-05 | 2015-03-10 | Sharp Kabushiki Kaisha | Active matrix substrate, method for producing active matrix substrate, liquid crystal panel, method for producing liquid crystal panel, liquid crystal display device, liquid crystal display unit, and television receiver |
JP5387950B2 (ja) * | 2009-03-05 | 2014-01-15 | Nltテクノロジー株式会社 | 液晶表示素子及びそれを用いた画像表示装置 |
TWI390309B (zh) * | 2009-04-17 | 2013-03-21 | Chimei Innolux Corp | 液晶面板及應用其之液晶顯示裝置 |
CN102449545A (zh) | 2009-05-28 | 2012-05-09 | 夏普株式会社 | 液晶显示装置 |
WO2011024338A1 (ja) * | 2009-08-28 | 2011-03-03 | シャープ株式会社 | 液晶表示装置およびその電位設定方法 |
CN101995717A (zh) * | 2009-08-31 | 2011-03-30 | 奇美电子股份有限公司 | 液晶面板及应用其的液晶显示装置 |
US8643701B2 (en) * | 2009-11-18 | 2014-02-04 | University Of Illinois At Urbana-Champaign | System for executing 3D propagation for depth image-based rendering |
JP5582800B2 (ja) * | 2010-01-27 | 2014-09-03 | パナソニック液晶ディスプレイ株式会社 | 液晶表示装置及びその製造方法 |
JP4629161B2 (ja) * | 2010-07-12 | 2011-02-09 | シャープ株式会社 | 液晶表示装置 |
CN102540535B (zh) * | 2010-12-27 | 2015-03-04 | 上海天马微电子有限公司 | 一种mva液晶显示装置 |
GB2495317A (en) * | 2011-10-06 | 2013-04-10 | Sharp Kk | Image processing method for reduced colour shift in multi-primary LCDs |
CN102998855B (zh) * | 2012-11-16 | 2015-06-17 | 京东方科技集团股份有限公司 | 像素单元、薄膜晶体管阵列基板及液晶显示器 |
JP5554822B2 (ja) * | 2012-12-03 | 2014-07-23 | シャープ株式会社 | 液晶表示装置 |
GB2508845A (en) | 2012-12-12 | 2014-06-18 | Sharp Kk | Analogue multi-pixel drive |
KR102081250B1 (ko) | 2013-08-06 | 2020-02-26 | 삼성디스플레이 주식회사 | 액정 표시 장치 |
KR102159682B1 (ko) | 2013-12-13 | 2020-10-15 | 삼성디스플레이 주식회사 | 액정 표시 장치 |
KR20210153804A (ko) * | 2020-06-10 | 2021-12-20 | 삼성디스플레이 주식회사 | 개구율 계측 장치 및 이를 포함하는 표시 장치의 열화 보상 시스템 |
CN113611256B (zh) * | 2021-08-12 | 2023-02-17 | 合肥鑫晟光电科技有限公司 | 选择模块及其数据输出的方法、芯片、选择器和显示装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4840460A (en) | 1987-11-13 | 1989-06-20 | Honeywell Inc. | Apparatus and method for providing a gray scale capability in a liquid crystal display unit |
WO1991000568A1 (en) * | 1989-06-23 | 1991-01-10 | Vlsi Technology, Inc. | Conditional-sum carry structure compiler |
US5126865A (en) | 1990-12-31 | 1992-06-30 | Honeywell Inc. | Liquid crystal display with sub-pixels |
JP3401049B2 (ja) | 1993-05-26 | 2003-04-28 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 階調液晶表示パネル |
JP2001027759A (ja) * | 1999-07-13 | 2001-01-30 | Fujitsu Ltd | 液晶表示装置 |
TW513604B (en) * | 2001-02-14 | 2002-12-11 | Au Optronics Corp | A thin film transistor liquid crystal display |
TW573189B (en) * | 2001-05-03 | 2004-01-21 | Himax Optoelectronics Corp | Single-domain vertical alignment mode liquid crystal on silicon |
TW526365B (en) * | 2001-09-21 | 2003-04-01 | Au Optronics Corp | Multi-domain vertical alignment liquid crystal display |
JP2004037854A (ja) * | 2002-07-03 | 2004-02-05 | Toshiba Corp | 液晶表示装置 |
CN100362405C (zh) | 2002-09-13 | 2008-01-16 | 奇美电子股份有限公司 | 液晶显示器 |
-
2004
- 2004-03-31 JP JP2004106138A patent/JP4459685B2/ja not_active Expired - Lifetime
-
2005
- 2005-01-26 US US11/043,906 patent/US7474292B2/en active Active
- 2005-01-28 TW TW094102663A patent/TWI322289B/zh active
- 2005-02-25 KR KR1020050016083A patent/KR100814189B1/ko active IP Right Grant
- 2005-02-28 CN CNB2005100525068A patent/CN100409067C/zh active Active
Also Published As
Publication number | Publication date |
---|---|
US7474292B2 (en) | 2009-01-06 |
CN1677179A (zh) | 2005-10-05 |
KR100814189B1 (ko) | 2008-03-17 |
JP2005292397A (ja) | 2005-10-20 |
CN100409067C (zh) | 2008-08-06 |
TW200535501A (en) | 2005-11-01 |
KR20060042395A (ko) | 2006-05-12 |
TWI322289B (en) | 2010-03-21 |
US20050219186A1 (en) | 2005-10-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4459685B2 (ja) | 液晶表示装置 | |
US11835827B2 (en) | Liquid crystal device and electronic apparatus | |
KR100781477B1 (ko) | 액정 표시 장치 | |
US20020159016A1 (en) | In-plane switching mode active matrix type liquid crystal display device and method of fabricating the same | |
US20060012741A1 (en) | Vertical alignment liquid crystal display device | |
US7430032B2 (en) | Multi-domain liquid crystal display device and fabrication method with central and peripheral control electrodes formed on same layer and plurality of field distortion slits formed in pixel electrode | |
US7528894B2 (en) | LCD having storage capacitor electrodes with wider portions located within triangular areas of pixel regions and with spacers disposed in regions corresponding to the triangular areas to mitigate dark-state light leakage | |
US8319918B2 (en) | Multi-domain display using fringe fields | |
JP5433333B2 (ja) | 液晶表示パネル | |
JP4447484B2 (ja) | 液晶表示装置 | |
US8300193B2 (en) | Liquid crystal display panel and pixel | |
US11079633B2 (en) | Liquid crystal display apparatus | |
JP4566579B2 (ja) | 液晶表示装置の駆動方法 | |
CN112015011B (zh) | 液晶显示装置 | |
KR20060114561A (ko) | 횡전계형 액정 표시 장치 | |
JP4629161B2 (ja) | 液晶表示装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A712 Effective date: 20060330 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20061024 |
|
RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7422 Effective date: 20061024 |
|
RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20070523 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20090105 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20090217 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20090325 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20090811 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20090917 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20100209 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20100210 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 4459685 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130219 Year of fee payment: 3 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130219 Year of fee payment: 3 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313117 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130219 Year of fee payment: 3 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130219 Year of fee payment: 3 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140219 Year of fee payment: 4 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
EXPY | Cancellation because of completion of term |