TW200408879A - Liquid crystal display - Google Patents
Liquid crystal display Download PDFInfo
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- TW200408879A TW200408879A TW091134419A TW91134419A TW200408879A TW 200408879 A TW200408879 A TW 200408879A TW 091134419 A TW091134419 A TW 091134419A TW 91134419 A TW91134419 A TW 91134419A TW 200408879 A TW200408879 A TW 200408879A
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 21
- 239000000758 substrate Substances 0.000 claims abstract description 26
- 239000011159 matrix material Substances 0.000 claims abstract description 15
- 239000003990 capacitor Substances 0.000 claims description 2
- 150000002500 ions Chemical class 0.000 abstract description 9
- 230000002159 abnormal effect Effects 0.000 abstract description 6
- 230000001154 acute effect Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 8
- 230000005684 electric field Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 241000255777 Lepidoptera Species 0.000 description 1
- 206010033799 Paralysis Diseases 0.000 description 1
- 206010047571 Visual impairment Diseases 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
Classifications
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- 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
-
- 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
- G02F1/133397—Constructional arrangements; Manufacturing methods for suppressing after-image or image-sticking
-
- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133512—Light shielding layers, e.g. black 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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/12—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
- G02F2201/123—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode pixel
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
200408879 五、發明說明(l) 〈發明之範圍〉 ,· 本發明是有關一種液晶顯示器 防因像素中之離子所造成不正常之光】別疋關於一種藉由預 品質之液晶顯示器。 /、' ,而具有增進之螢幕 〈先前技藝之描述〉 相較於陰極射線管(之後以C r τ避&、 後以LCD稱呼)一般而言、有U量⑨晶顯示器(之 優點,並因此,1在眘& 薄構造和低能量耗損之 了 CRT。最进且、古\ 備之終端機和影像裝置方面代替 ;CRT最近,具有薄膜電晶體(之後以TFT稱呼),1祚a =矩:㈣狀排列之每一像素中之開關裝置稱:…實^ 視角 仗而預防彩色偏移並獲得高查皙总莖 被廣泛地使用為膝上型和桌作=,TF:_L“ 々示工生电細,以及作為電視螢幕。 極構:==、包:二具有形成在像素中之m和像素電 波美板以及二 匕3杉色濾波器和一計數電極之彩色濾 ^板以及插入基板間之液晶層。LCD根據加諸於像辛電 數電極之電壓,藉由驅動液晶分子,而解析出一預定電之‘ 第1圖為表示了在習見LCD中之像素構造。如圖所示 Ϊ2Ϊ排線2/扞垂直多數條數據排線4之排列。-閉極絕緣 (圖未不)乃插入前述二者之間,以達成電性絕緣。 — TFT 1 0在閘極排線2和數據排線4之交又處形成,以 母一像素之驅動。TFT 1 〇包括一形成著部分閘極 ^ 極電極、-形成在閘極電極上之圖樣形狀之半導二線之^ 示)’以及-形成來與半導體層之一部以= 200408879 五、發明說明(2) 電極(drain electrodes)4a 和 4b。源極電極(s〇urce electrodesMa 呈島形,而汲極電極(drain electr〇des)4b 為從 數據排線4延伸者。 片-保護層(圖未示)在成品表面形成。一由透明金屬例 如軋化錫銦(Indium Tin Oxide)所製造之像素電極6,在藉邊 接觸源極電極(source electrodes)4a之閘極排線2和數據線 4所、定義之像素區域中形成。像素電極6形成一矩形形狀, 而藉由在整個像素區域中之相同電壓形成相同電場。 一彩色濾波基板係與陣列基板相對排列,而位於宜 板包含分別形成對應陣列基板像素之:色、 ί 器(圖未示),而且在像素介面上,那即 疋’在閘極排線2和數據排線4上部位之上, 之像素,以及包括彩色據波器和黑色矩陣 形成計數電極(圖未示)之像素。 之整個&域上所 雖然在圖上並未表示,多數個液晶分子 板和彩色濾波基板之間。 真充在陣列基 然而,習見之LCD具有由於不正常光漏 問題,例如在LCD中之離子妨礙理想電 “氏螢幕口口質之 號電壓造成之殘像。 化加後,由失真信 那即是,在量產程序期間,離子被 子之LCD。並且,陣列基板之像素電極 到原先即含有離 電極以矩形形狀形成,以致於在整巴應波基板之計_ 同並不會有產生更密集電場之區域。一域中,因電壓相
第8頁 在本習見例中,當數據信號電壓被施加時,在像素中 200408879 五、發明說明(3) 離子被直流成 像素中。因此 光漏,例如殘 〈發明之總 因此,本 產生,並且本 防像素中之離 LCD 〇 為了要達 多數條閘極排 叉處形成以及 為 » 分之電壓(DC component voltage)均勻地吸附 ,造成液晶不理想之動作,由此產生不正常的 像等。 綸〉 發明乃在致力於解決習見技藝所發生之問題而 發明之目的之一,乃為了提供一種具有藉由預 子所ie成不正常之光漏’而增進螢幕品質之 於 成此目標, 線和數據排 一像素電極 成;一和陣列基板相結合 之彩色濾波 包括彩色濾 素區域相對應 矩陣、以及在 之计數電極; 和彩色濾波基 狀,並從而在 銳角端在 電極之邊緣上 而且,銳 至於本發 照下列依附圖 〈較佳具體 本發明之 以及一液晶 板間之液晶 其邊緣上形 鄰近數據排 形成。 角端被排列 明之詳細構 所作之說明 實施例之詳 較佳實施例 本發明 線相互 在由排 之彩色 器、形 波器和 層,其 分子, 成多數 線和閘 包含: 垂直排 線所定 遽波基 成和像 黑色矩 包含多 其中像 個銳角 極排線 一陣列 歹 ij 、一 義之像 板,在 素介面 陣之整 數個填 素電極 端0 基板,在其上 TFT在排線之交 素區域中形 其上形成和像 相對應之黑色 個表面上形成 充於陣列基板 具有矩形形 之一或更多數個像素 在黑色矩陣區域。 造、應用原理、作用與功效,則參 即可得到完全的了解。 細描述〉 現作較詳細之描述,其時施例依附
第9頁 200408879 五、發明說明(4) ^ # 圖說明。相同之參考標號貫穿使用於各圖和所提及之相同或 相似描述部分。 第2圖為根據本發明之LCD中之像素構造之頂視平面圖。 參照第2圖,多數條閘極排線2 2和數據排線24相互垂直妒 列 成 閘極絕緣層(圖未示)在閘極排線22和數據排線24間形 以由此電性絕緣。 一 T F T 3 0在閘極排線2 2和數據排線2 4之交叉處形成。丁 f 3 0包括形成一部分閘極排線之閘極電極、在閘極電極上形成 圖樣形狀之半導體層(圖未示)、以及和半導體層一邊和其 他邊之末端重疊之源/汲極電極(s〇urce/drain 成 elect^odes)24a 和 24b。源極電極(source electr〇des)24a 形 島狀形狀,並且汲極電極(drain electr〇des)24b形成從數姐 排線2 4延伸之形狀。 保漠層(圖未示)在生成之構造上形成,以保護^丁 30。由透明金屬例如IT0所製造之像素電極26,在由和源極 極(^ource electrodes)24a相接觸之閘極排線22和數據排線μ 所疋義之像素區域中形成。 :彩色濾波基板和陣列基板相對排列,由此在上部位之 i:ϊ ί濾波基板包含了形成和每一像素相對應之彩色濾波 ^ Ρ #不、在和像素介面相對應之閘極排線22和數據排 成之黑色矩陣32、以及在包括彩色渡波器和黑 色巨陣之查個區域上形成之計數電極(圖未示)。 波基數個液晶分子之液晶層填充於陣列基板和彩色遽
第10頁 200408879 五、發明說明(5) ' '" '一" 癱 像素電極26 —般形成矩形形狀,並從而在邊緣上形成多 數個銳角端。銳角端2 6 a在黑色矩陣3 2區域中形成,那即是, 在使,者從彩色濾波基板前方觀看LCD時被,該區域黑色矩 7保屢。銳角端2 6 a在鄰近閘極排線2 2或數據排線2 4之一或 多區域上,令人滿意地形成。 在本像素構造中’當數據信號電壓被施加在像素電極 =,在端角構成區域和其他區域(之後以『内部區域』稱 呼)形成具有不同電壓之電場。那即是,根據較小角度具有 避雷針性質而形成更密集電場之原理,在端角構成區域上形 成比在内部區域上更密集之電場。 在本實施例中’當數據信號電壓被施加到像素電極時, 在像素=之離子被移動到端角構成區域,在其上形成一更密 ,,電% ’然後’離子被吸附在端角構成區域,㈤而產生數 號電壓之失真。然而,在端角構成區域被設置於黑色矩 P一之後,通過失真數據信號電壓之螢幕不會對使用者顯 不,那即是,在此區域由黑色矩陣保護。 因此,本發明能藉由誘導數據信號電壓失 陣無法向使用者顯示之區域,預防由於離子之不正常光:矩 如^所述,本發明之LCD在LCD中之離子被移到黑色矩陣内側 之後’能預防經由長時間驅動和施加直流成分之電壓(dc c〇mp〇nent v〇ltage)所產生之液晶驅 =營幕品質,而該等蝴實可以改進習見者之弊, =諸公開使用’合於專利法之規定,懇請賜予專利,實為 200408879
第12頁 200408879 圖式簡單說明 · 第1圖為習見LCD中像素構造之頂視平面圖。 第2圖為根據本發明之LCD中像素構造之頂視平面圖。 〈圖示中元件編號與名稱對照) 2 :閘極排線 4 :數據排線 4a、4b :汲極電極 6 :像素電極 10 TFT (薄膜電晶體) 12 黑色矩陣 22 閘極排線 24 數據排線 2 4 a、2 4 b :沒極電極 2 6 :像素電極 2 6 a :銳角端 30 : TFT (薄膜電晶體) 3 2 :黑色矩陣
第13頁
Claims (1)
- 200408879六、申請專利範圍 種液晶顯示器 一陣列基板,在盆卜容激攸 士排列、一TFT乃在排線交叉處、/而且數據排線相互垂 定義之像素區域中形成; 素電極在由排線月 :和陣列基板相結合之彩㈣波基板,在其 和像素區域相對應之彩色濾波器、一對應 I ^成有 之黑色矩陣、且一計數電極乃形成在包含而:成 矩陣整個表面上;以及 色,慮波器和黑色 分子而被填充於陣列基板 且在其邊緣形成多數個銳 一液晶層,其包含多數個液晶 和彩色濾波基板之間, 其中像素電極具有矩形形狀, 角端。 2·如申請專利範圍第1項所述之液晶顯示器,发 角端在一或更多個鄰近數據排線或閘極排線 I、中所述姜兒 緣上形成。 跟素電極之邊 3·如申請專利範圍第1項所述之液晶顯示器,1 角端被排列在黑色矩陣區域中。 〃中所述銳第14頁
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020010076179A KR100675934B1 (ko) | 2001-12-04 | 2001-12-04 | 액정표시소자 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200408879A true TW200408879A (en) | 2004-06-01 |
| TWI310470B TWI310470B (en) | 2009-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW091134419A TWI310470B (en) | 2001-12-04 | 2002-11-27 | Liquid crystal display |
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| Country | Link |
|---|---|
| US (1) | US6914657B2 (zh) |
| JP (1) | JP3764908B2 (zh) |
| KR (1) | KR100675934B1 (zh) |
| TW (1) | TWI310470B (zh) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD555608S1 (en) * | 2004-11-29 | 2007-11-20 | Polar Electro Oy | Dot matrix for liquid crystal display |
| KR100642858B1 (ko) * | 2005-03-10 | 2006-11-10 | 비오이 하이디스 테크놀로지 주식회사 | 액정표시장치 |
| KR101308439B1 (ko) * | 2006-09-14 | 2013-09-16 | 엘지디스플레이 주식회사 | 액정 표시 패널 |
| TWI363240B (en) * | 2008-03-31 | 2012-05-01 | Au Optronics Corp | Active array substrate, electrode substrate, and liquid crystal display panel |
| CN102023447B (zh) * | 2008-04-08 | 2014-04-16 | 友达光电股份有限公司 | 电极基板及液晶显示面板 |
| US8582060B2 (en) | 2011-12-19 | 2013-11-12 | Japan Display West Inc. | Liquid crystal display panel |
| CN204945587U (zh) * | 2015-09-17 | 2016-01-06 | 京东方科技集团股份有限公司 | 显示面板和显示装置 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7075501B1 (en) * | 1990-12-31 | 2006-07-11 | Kopin Corporation | Head mounted display system |
| US6072445A (en) * | 1990-12-31 | 2000-06-06 | Kopin Corporation | Head mounted color display system |
| EP0909972A3 (en) * | 1992-03-13 | 1999-06-09 | Kopin Corporation | Method of forming a high resolution liquid crystal display device |
| EP0659282B1 (en) * | 1992-09-11 | 1998-11-25 | Kopin Corporation | Color filter system for display panels |
| US6190933B1 (en) * | 1993-06-30 | 2001-02-20 | The United States Of America As Represented By The Secretary Of The Navy | Ultra-high resolution liquid crystal display on silicon-on-sapphire |
| US6167169A (en) * | 1994-09-09 | 2000-12-26 | Gemfire Corporation | Scanning method and architecture for display |
| US6560018B1 (en) * | 1994-10-27 | 2003-05-06 | Massachusetts Institute Of Technology | Illumination system for transmissive light valve displays |
| US6005266A (en) * | 1997-03-13 | 1999-12-21 | The Trustees Of Princeton University | Very low leakage JFET for monolithically integrated arrays |
| KR100476620B1 (ko) * | 1997-12-03 | 2005-08-29 | 삼성전자주식회사 | 액정표시장치의화소구조 |
| KR100526030B1 (ko) * | 1998-09-03 | 2005-11-08 | 마쯔시다덴기산교 가부시키가이샤 | 액정표시장치 및 그 제조방법, 및 액정표시장치의 구동방법 |
| KR100493867B1 (ko) * | 1999-12-09 | 2005-06-10 | 엘지.필립스 엘시디 주식회사 | 박막 트랜지스터 어레이기판 및 액정표시장치 |
| SG114524A1 (en) * | 2001-01-25 | 2005-09-28 | Matsushita Electric Industrial Co Ltd | Liquid crystal display |
-
2001
- 2001-12-04 KR KR1020010076179A patent/KR100675934B1/ko not_active Expired - Lifetime
-
2002
- 2002-11-27 TW TW091134419A patent/TWI310470B/zh not_active IP Right Cessation
- 2002-12-02 US US10/307,751 patent/US6914657B2/en not_active Expired - Lifetime
- 2002-12-04 JP JP2002352537A patent/JP3764908B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2003186039A (ja) | 2003-07-03 |
| KR20030045455A (ko) | 2003-06-11 |
| JP3764908B2 (ja) | 2006-04-12 |
| US6914657B2 (en) | 2005-07-05 |
| TWI310470B (en) | 2009-06-01 |
| US20030103183A1 (en) | 2003-06-05 |
| KR100675934B1 (ko) | 2007-02-01 |
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