JP5956561B2 - 液晶表示パネル - Google Patents
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- JP5956561B2 JP5956561B2 JP2014507812A JP2014507812A JP5956561B2 JP 5956561 B2 JP5956561 B2 JP 5956561B2 JP 2014507812 A JP2014507812 A JP 2014507812A JP 2014507812 A JP2014507812 A JP 2014507812A JP 5956561 B2 JP5956561 B2 JP 5956561B2
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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
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13452—Conductors connecting driver circuitry and terminals of panels
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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
- G02F1/134336—Matrix
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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
- G02F1/1345—Conductors connecting electrodes to cell terminals
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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
- G02F1/136—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
- G02F1/136209—Light shielding layers, e.g. black matrix, incorporated in the active matrix substrate, e.g. structurally associated with the switching element
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- 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
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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
- G02F1/1335—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
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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
- G02F1/1339—Gaskets; Spacers; Sealing of cells
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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
- G02F1/134318—Electrodes characterised by their geometrical arrangement having a patterned common electrode
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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]
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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
- G02F1/134372—Electrodes characterised by their geometrical arrangement for fringe field switching [FFS] where the common electrode is not patterned
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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
- G02F1/136—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
- G02F1/13629—Multilayer wirings
Description
図1は、実施形態1の液晶表示パネルの断面模式図である。実施形態1の液晶表示パネルは、TFT基板10と、対向基板20と、シール材30と、液晶層40とを備え、該液晶層40は、TFT基板10と、対向基板20と、シール材30とによって封止されている。液晶層40は液晶分子を含有しており、電圧無印加時において液晶分子は、各基板面10、20に対して水平な方向に配向している。TFT基板10は、支持基板11、TFT、ゲート信号線(ゲート引き出し配線を含む)12、ソース信号線(ソース引き出し配線を含む)、共通信号線(共通引き出し配線を含む)、共通電極13、画素電極等を備える。なお、図1等の各図における両矢印で示された領域は、非表示領域の中でも特に、ゲートドライバ、ソースドライバ等が配置された「端子領域」を表す。
実施形態2の液晶表示パネルは、共通電極そのものではなく、共通電極から隔離され、かつ共通電極と電気的に接続された電極が、共通引き出し配線とシール領域との間を覆っている点以外は実施形態1の液晶表示パネルと同様である。
実施形態3の液晶表示パネルは、共通電極のみならず、共通電極から隔離され、かつ共通電極と電気的に接続された電極を用いて、共通引き出し配線とシール領域との間の領域を覆っている点以外は実施形態1の液晶表示パネルと同様である。
実施形態4の液晶表示パネルは、ブラックマトリクスがシール材の全体と重ならないように形成されている点以外は実施形態1の液晶表示パネルと同様である。上記したように、シール材とブラックマトリクスが一部重畳していると、シール材を硬化する際に、対向基板側から紫外線照射を行うことができない。そこで、実施形態4では、ブラックマトリクスがシール材と重ならない部分を設けている。
11、21:支持基板
12、112:ゲート信号線、ゲート引き出し配線
12a:第一のゲート引き出し配線
12b:第二のゲート引き出し配線
13:共通電極
14:画素電極
14a:画素電極のスリット
16:ソース信号線、ソース引き出し配線
17:共通引き出し配線
17a:第一の共通引き出し配線
17b:第二の共通引き出し配線
18a:画素電極と同一の階層に形成された電極
18b:共通引き出し配線と同一の階層に形成された電極
18c:共通電極と同一の階層に形成された電極
20:対向基板
22:ブラックマトリクス
23:シールド電極
30:シール材
40:液晶層
51、151:ゲートドライバ(ゲート信号出力回路)
51a:第一のゲートドライバ
51b:第二のゲートドライバ
52:ソースドライバ(ソース信号出力回路)
54:TFT(薄膜トランジスタ)
55:半導体層
56a、56b:開口部
57:第一の共通信号線
61:第一絶縁膜
62:第二絶縁膜
63:第三絶縁膜
71,74:コンタクト部(第一絶縁膜内)
72:コンタクト部(第二絶縁膜内)
73:コンタクト部(第三絶縁膜内)
81:ゲート引き出し配線と同じ階層に位置する電極
81a:ゲート引き出し配線と同じ階層に位置する電極のスリット
101:浮島領域
Claims (13)
- 一対の基板と、シール材と、該一対の基板及び該シール材によって封止された液晶層とを備え、
該一対の基板の一方は、複数のスリットを有する画素電極と、絶縁膜を介して該画素電極と異なる階層に位置する、平板状の共通電極とを備え、
非表示領域に、ゲートドライバと、該ゲートドライバから表示領域に向かって延伸された複数のゲート引き出し配線と、該共通電極と電気的に接続された共通引き出し配線とが設けられており、
該共通引き出し配線は、該複数のゲート引き出し配線と交差しており、
該共通電極は、該複数のゲート引き出し配線と交差する該共通引き出し配線と、該共通引き出し配線に沿った該表示領域の外縁の一部との間の領域を覆う
ことを特徴とする液晶表示パネル。 - 前記シール材は、前記共通引き出し配線よりも前記表示領域から遠い位置に設けられており、
前記シール材の一部は、前記複数のゲート引き出し配線と交差しており、
前記共通電極は、更に、前記複数のゲート引き出し配線と交差する前記シール材の一部と、前記表示領域の外縁の一部に沿った前記共通引き出し配線との間の領域を覆う
ことを特徴とする請求項1記載の液晶表示パネル。 - 前記シール材は、前記共通引き出し配線よりも前記表示領域から遠い位置に設けられており、
前記シール材の一部は、前記複数のゲート引き出し配線と交差しており、
前記共通電極から隔離され、かつ前記共通電極と電気的に接続された電極が、前記複数のゲート引き出し配線と交差する前記シール材の一部と、前記表示領域の外縁の一部に沿った前記共通引き出し配線との間の領域を覆う
ことを特徴とする請求項1記載の液晶表示パネル。 - 前記シール材は、前記共通引き出し配線よりも前記表示領域から遠い位置に設けられており、
前記シール材の一部は、前記複数のゲート引き出し配線と交差しており、
前記共通電極、及び、前記共通電極から隔離され、かつ前記共通電極と電気的に接続された電極の組み合わせは、前記複数のゲート引き出し配線と交差する前記シール材の一部と、前記表示領域の外縁の一部に沿った前記共通引き出し配線との間の領域を覆う
ことを特徴とする請求項1記載の液晶表示パネル。 - 前記共通電極から隔離され、かつ前記共通電極と電気的に接続された電極は、前記画素電極と同一の階層に位置する電極であることを特徴とする請求項3又は4記載の液晶表示パネル。
- 前記共通電極から隔離され、かつ前記共通電極と電気的に接続された電極は、前記共通電極と同一の階層に位置する電極であることを特徴とする請求項4記載の液晶表示パネル。
- 前記共通電極から隔離され、かつ前記共通電極と電気的に接続された電極は、前記共通引き出し配線と同一の階層に位置する電極であることを特徴とする請求項4記載の液晶表示パネル。
- 前記対向基板は、ブラックマトリクスを備え、前記シール材の少なくとも一部は、該ブラックマトリクスと重なっていることを特徴とする請求項1〜7のいずれかに記載の液晶表示パネル。
- 前記複数のゲート引き出し配線と同一の階層に位置し、かつシール材と重なる電極は、スリットを有することを特徴とする請求項1〜8のいずれかに記載の液晶表示パネル。
- 前記対向基板は、ブラックマトリクスを備え、前記シール材は、該ブラックマトリクスと重なっていないことを特徴とする請求項1〜7のいずれかに記載の液晶表示パネル。
- 前記ゲートドライバは、第一のゲートドライバであり、
前記ゲートドライバから引き出された複数のゲート引き出し配線は、第一の複数のゲート引き出し配線であり、
前記表示領域を介して該第一のゲートドライバと対向する領域には、第二のゲートドライバと、該第二のゲートドライバから前記表示領域に向かって延伸された第二の複数のゲート引き出し配線と、前記共通電極と電気的に接続された第二の共通引き出し配線とが設けられており、
該第二の共通引き出し配線は、該第二の複数のゲート引き出し配線と交差しており、
前記共通電極は、該第二の複数のゲート引き出し配線と交差する該第二の共通引き出し配線と、該第二の共通引き出し配線に沿った表示領域の外縁の一部との間の領域を覆う
ことを特徴とする請求項1〜10のいずれかに記載の液晶表示パネル。 - 前記一対の基板の一方は、薄膜トランジスタを備え、
該薄膜トランジスタは、酸化物半導体を含む半導体層を有することを特徴とする請求項1〜11のいずれかに記載の液晶表示パネル。 - 前記酸化物半導体は、インジウム、ガリウム、亜鉛、及び、酸素を含むことを特徴とする請求項12記載の液晶表示パネル。
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