JP6187941B2 - 液晶表示装置 - Google Patents
液晶表示装置 Download PDFInfo
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- JP6187941B2 JP6187941B2 JP2014523797A JP2014523797A JP6187941B2 JP 6187941 B2 JP6187941 B2 JP 6187941B2 JP 2014523797 A JP2014523797 A JP 2014523797A JP 2014523797 A JP2014523797 A JP 2014523797A JP 6187941 B2 JP6187941 B2 JP 6187941B2
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- 239000004973 liquid crystal related substance Substances 0.000 title claims description 49
- 239000000758 substrate Substances 0.000 claims description 41
- 239000010408 film Substances 0.000 claims description 27
- 230000005684 electric field Effects 0.000 claims description 17
- 239000010409 thin film Substances 0.000 claims description 10
- 239000011159 matrix material Substances 0.000 claims description 5
- 206010047571 Visual impairment Diseases 0.000 description 10
- 239000011521 glass Substances 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 239000003990 capacitor Substances 0.000 description 7
- 238000002161 passivation Methods 0.000 description 7
- 239000004065 semiconductor Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 244000126211 Hericium coralloides Species 0.000 description 5
- 239000000956 alloy Substances 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 230000003760 hair shine Effects 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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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
- G02F1/134363—Electrodes characterised by their geometrical arrangement for applying an electric field parallel to the substrate, i.e. in-plane switching [IPS]
-
- 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
- G02F1/13439—Electrodes characterised by their electrical, optical, physical properties; materials therefor; method of making
-
- 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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
-
- 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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
-
- 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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136218—Shield electrodes
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- 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)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Liquid Crystal (AREA)
- Spectroscopy & Molecular Physics (AREA)
Description
IPS方式の例を示す。図7(a)に1画素の平面図を、図7(b)に表示領域の断面図を示す。第1の基板上に、第1の金属層からなる走査信号配線701と、並行する2本の共通信号配線702が形成されている。前記走査信号配線701と共通信号配線702上にゲート絶縁膜703が形成され、前記第1の絶縁膜上に第2の金属層からなる映像信号配線704、薄膜半導体層705、ソース電極706が形成される。前記映像信号配線704、薄膜半導体層705、ソース電極706上には無機膜からなるパッシベーション膜707が形成され、さらに前記パッシベーション膜上に有機膜からなる平坦化膜708が形成される。前記平坦化膜708上に、透明性の導電膜からなる画素櫛歯電極709、共通櫛歯電極710が形成される。なお、前記平坦化膜708を用いない場合は、前記パッシベーション膜707上に前記画素櫛歯電極709、共通櫛歯電極710が形成される。
先行技術文献
特許文献
102、202、302、402、502、602、702 共通信号配線
103、203、303、503、603、703 ゲート絶縁膜
104、204、304、404、504、604、704 映像信号配線
105、205、305、405、505、605、705 薄膜半導体層
106、206、306、406、506、606、706 ソース電極
107、207、307、507、607、707 パッシベーション膜
108、208、308、508、608、708 平坦化膜
109、209、309、409、509、609、709 画素櫛歯電極
109B、209B、309B、409B、509B、609B 太い画素櫛歯電極
110、210、310、410、510、610、710 共通櫛歯電極
110B、210B、310B、410B、510B、610B、710B 共通シールド電極
111、211、311、411、511、611、711 ソース電極−画素櫛歯電極間コンタクトホール
112、212、312、412、512、612、712 共通信号配線−共通櫛歯電極間コンタクトホール
113 第1の基板の配向層
114 第2の基板の配向層
115 オーバーコート層
116r、116g、116b 色層
117 遮光層
118 第1のガラス基板
119 第2のガラス基板
120 第1の基板側の偏光板
121 第2の基板側の偏光板
122 液晶層
Claims (6)
- 第一の基板と、対向する第二の基板と、前記第一基板と前記第二基板との間に挟まれた状態で保持されている液晶層とからなる液晶表示装置であって、
前記第一基板は、ゲート電極、ドレイン電極、ソース電極を有する薄膜トランジスタと、表示すべき画素に対応して透明性の導電膜からなる画素櫛歯電極と、基準電位が与えられる共通櫛歯電極および共通シールド電極と、走査信号配線と、前記走査信号配線と平行するように配置される共通信号配線と、前記共通信号配線と直交するように配置される映像信号配線を備え、
前記薄膜トランジスタは前記走査信号配線と前記映像信号配線の交点付近に形成されており、
前記ゲート電極は前記走査信号配線に、前記ドレイン電極は前記映像信号配線に、前記ソース電極は前記画素櫛歯電極に、前記共通櫛歯電極及び前記共通シールド電極は前記共通信号配線に、それぞれ電気的に接続されており、
前記映像信号配線は絶縁膜を介して配線幅方向に前記共通シールド電極で覆われており、
前記画素櫛歯電極と前記共通櫛歯電極の間に印加される、前記第一基板の表面に略平行な電界により、前記液晶層の分子軸を前記第一基板に平行な面内において回転させることにより表示を行う横電界方式のアクティブマトリクス型液晶表示装置において、
複数本の前記画素櫛歯電極のうち少なくとも1本の前記画素櫛歯電極の幅は、他の前記画素櫛歯電極及び前記共通櫛歯電極の幅より太く、その幅太画素櫛歯電極を除く他の前記画素櫛歯電極及び前記共通櫛歯電極の幅は互いに略同じであり、
前記幅太画素櫛歯電極の幅は、前記共通シールド電極の幅と略同じである液晶表示装置。 - 前記幅太画素櫛歯電極の下層であって、その長手方向に平行に前記共通信号配線が一体的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。
- 前記幅太画素櫛歯電極の下層であって、その長手方向に平行に前記ソース電極が延伸形成されていることを特徴とする請求項2に記載の液晶表示装置。
- 前記幅太画素櫛歯電極は、単位画素の中央または最も中央に近い位置に形成されることを特徴とする請求項1乃至3に記載の液晶表示装置。
- 前記幅太画素櫛歯電極の両側で、前記共通櫛歯電極と前記画素櫛歯電極の本数が同じであることを特徴とする、請求項1乃至4に記載の液晶表示装置。
- 前記幅太画素櫛歯電極の片側で、前記共通櫛歯電極と前記画素櫛歯電極の本数が同じであることを特徴とする、請求項1乃至4に記載の液晶表示装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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JP2012150957 | 2012-07-04 | ||
JP2012150957 | 2012-07-04 | ||
PCT/JP2013/068448 WO2014007355A1 (ja) | 2012-07-04 | 2013-07-04 | 液晶表示装置 |
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JPWO2014007355A1 JPWO2014007355A1 (ja) | 2016-06-02 |
JP6187941B2 true JP6187941B2 (ja) | 2017-08-30 |
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US (1) | US9383613B2 (ja) |
JP (1) | JP6187941B2 (ja) |
CN (1) | CN104471472B (ja) |
WO (1) | WO2014007355A1 (ja) |
Families Citing this family (5)
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KR101997745B1 (ko) * | 2013-01-25 | 2019-07-09 | 삼성디스플레이 주식회사 | 액정 표시 장치 |
JP6481994B2 (ja) | 2014-10-23 | 2019-03-13 | 東京エレクトロン株式会社 | 画素電極のパターン形成方法および形成システム |
CN204314581U (zh) * | 2015-01-08 | 2015-05-06 | 京东方科技集团股份有限公司 | 一种阵列基板、显示面板和显示装置 |
CN105789264A (zh) | 2016-05-06 | 2016-07-20 | 京东方科技集团股份有限公司 | 一种曲面显示面板及其制备方法、显示装置 |
CN109581769A (zh) * | 2018-12-11 | 2019-04-05 | 合肥鑫晟光电科技有限公司 | 像素结构、阵列基板及显示面板 |
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KR100433596B1 (ko) * | 1999-10-21 | 2004-05-31 | 마쯔시다덴기산교 가부시키가이샤 | 액정표시장치 |
JP3805966B2 (ja) | 1999-10-21 | 2006-08-09 | 松下電器産業株式会社 | 液晶表示装置 |
JP4603560B2 (ja) | 2001-02-23 | 2010-12-22 | Nec液晶テクノロジー株式会社 | 横電界方式のアクティブマトリクス型液晶表示装置及び電子機器 |
JP2002323706A (ja) | 2001-02-23 | 2002-11-08 | Nec Corp | 横電界方式のアクティブマトリクス型液晶表示装置及びその製造方法 |
JP2003140188A (ja) | 2001-11-07 | 2003-05-14 | Hitachi Ltd | 液晶表示装置 |
CN1207617C (zh) * | 2001-11-15 | 2005-06-22 | Nec液晶技术株式会社 | 平面开关模式有源矩阵型液晶显示器件及其制造方法 |
JP4047586B2 (ja) * | 2002-01-10 | 2008-02-13 | Nec液晶テクノロジー株式会社 | 横電界方式のアクティブマトリクス型液晶表示装置 |
JP4248848B2 (ja) * | 2002-11-12 | 2009-04-02 | 奇美電子股▲ふん▼有限公司 | 液晶表示セルおよび液晶ディスプレイ |
KR100849599B1 (ko) * | 2007-02-05 | 2008-07-31 | 비오이 하이디스 테크놀로지 주식회사 | 에프에프에스 모드 액정표시장치 |
JP5266574B2 (ja) * | 2008-03-19 | 2013-08-21 | Nltテクノロジー株式会社 | 液晶表示装置 |
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- 2013-07-04 CN CN201380035422.6A patent/CN104471472B/zh active Active
- 2013-07-04 US US14/412,492 patent/US9383613B2/en active Active
- 2013-07-04 WO PCT/JP2013/068448 patent/WO2014007355A1/ja active Application Filing
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US20150185564A1 (en) | 2015-07-02 |
US9383613B2 (en) | 2016-07-05 |
CN104471472A (zh) | 2015-03-25 |
WO2014007355A1 (ja) | 2014-01-09 |
JPWO2014007355A1 (ja) | 2016-06-02 |
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