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    • 1. 发明专利
    • 液晶表示装置及びその駆動方法
    • 液晶显示装置及其驱动方法
    • JP2014211463A
    • 2014-11-13
    • JP2013086223
    • 2013-04-17
    • 三菱電機株式会社Mitsubishi Electric Corp
    • KAWABUCHI SHINJISATAKE TETSUYASHIMAMURA TAKESHIYONEMURA KOJINAGANO SHINGO
    • G02F1/1343
    • G02F1/13
    • 【課題】FFSモードの液晶表示装置において、フレクソエレクトリック効果などの影響によるフリッカーを低減する。【解決手段】画素47の各々が一対の画素電極6a,6bと共通電極7と液晶19とを含む。信号線82にはそれぞれTFT50a,50bを介して画素電極6a,6bが接続される。信号線82に印加される表示信号には交流が採用され、TFT50a,50bが排他的に導通することにより、画素電極6a,6bには、共通電極7の電位を基準として互いに極性が反対となる表示電圧が印加される。画素電極6a,6b同士は面積が互いに等しいことが望ましい。また両者に印加される表示電圧の絶対値は互いに等しいことが望ましい。【選択図】図1
    • 要解决的问题:为了在FFS模式的液晶显示装置中减少由于诸如柔性电效应的影响引起的闪烁。解决方案:每个像素47包括一对像素电极6a,6b,公共电极7和液体 像素电极6a,6b分别通过TFT50a,50b连接到信号线82。 使用AC作为施加到信号线82的显示信号,TFT50a,50b是唯一可导电的,因此对像素电极6a,6b显示具有相互极性的显示电压,具有公共电极7的电位 作为参考。 像素电极6a,6b优选地具有相同的面积,并且还优选地具有施加到其上的显示电压的相同的绝对值。
    • 2. 发明专利
    • アレイ基板、および液晶表示装置
    • 阵列基板和液晶显示装置
    • JP2014197232A
    • 2014-10-16
    • JP2014144669
    • 2014-07-15
    • 三菱電機株式会社Mitsubishi Electric Corp
    • NAGANO SHINGOODOI YUZO
    • G02F1/1368
    • 【課題】従来のFFS方式の液晶表示装置において、下部電極が画素電極の構成は、残留電荷の影響による焼き付きが生じやすいという問題点があった。【解決手段】液晶表示装置100の画素30は、走査配線2と、信号配線5と、TFTのドレイン電極51に接続された下部電極6と、この上層に保護膜7を介して配置された上部電極8とを備え、上部電極8が形成されない光透過しない領域において、下部電極6と同一電位の導電パターン55上の保護膜7に第2コンタクトホール12が設けられ、保護膜7が除去されており、下部電極6とドレイン電極51とは保護膜7の下層で直接かつ電気的に接続されている。【選択図】図2
    • 要解决的问题为了解决现有的FFS系统的液晶显示装置在底电极作为像素电极时由于残留电荷的影响而容易产生图像持久性的问题。解决方案:液晶显示装置100包括: 包括扫描布线2,信号布线5,连接到TFT的漏极51的底部电极6和经由保护膜7布置在底部电极的上层上的上部电极8的像素30。 在没有形成上部电极8的透光区域中,在与底部电极6具有相同电位的导电图案55上方的保护膜7中设置第二接触孔12,去除保护膜7, 底部电极6和漏极电极51在保护膜7的下层上彼此直接电连接。
    • 3. 发明专利
    • Liquid crystal display device and manufacturing method
    • 液晶显示器件及制造方法
    • JP2014013312A
    • 2014-01-23
    • JP2012150518
    • 2012-07-04
    • Mitsubishi Electric Corp三菱電機株式会社
    • KAWABUCHI SHINJIYAMAGATA ARISUKESATAKE TETSUYANAGANO SHINGOSHIMAMURA TAKESHIODA KOJIHAYASHI MASAMIYAMAYOSHI ICHIJITODO JUNICHI
    • G02F1/1343G02F1/1368
    • PROBLEM TO BE SOLVED: To provide an FFS mode liquid crystal display device that has satisfactory display characteristics free from seizure.SOLUTION: A liquid crystal display device comprises: an array substrate 1 having a display area 2 with a plurality of pixels 9; a counter substrate 16 arranged opposite the array substrate 1; and a liquid crystal material 17 sandwiched between the array substrate 1 and counter substrate 16. Each pixel 9 incorporates: an upper layer electrode 15 in which a slit-like opening is formed; an inter-layer insulation film 24 formed below the upper layer electrode 15 and having a predetermined dielectric constant; and a lower layer electrode 14 opposite and below the upper layer electrode 15 via the inter-layer insulation film 24. The lower part of an opening in the inter-layer insulation film 24 has an area with a dielectric constant smaller than the predetermined dielectric constant.
    • 要解决的问题:提供一种具有令人满意的显示特性而不发生发光的FFS模式液晶显示装置。解决方案:一种液晶显示装置,包括:具有多个像素9的显示区域2的阵列基板1; 与阵列基板1相对设置的对置基板16; 以及夹在阵列基板1和对置基板16之间的液晶材料17.每个像素9包括:形成有狭缝状开口的上层电极15; 形成在上层电极15下方并具有预定介电常数的层间绝缘膜24; 以及经由层间绝缘膜24与上层电极15相对且位于下方的下层电极14.层间绝缘膜24的开口部的下部具有介电常数小于规定介电常数的区域 。
    • 4. 发明专利
    • Liquid crystal display device
    • 液晶显示装置
    • JP2012203348A
    • 2012-10-22
    • JP2011070423
    • 2011-03-28
    • Mitsubishi Electric Corp三菱電機株式会社
    • NAGANO SHINGONOMI SHIGEAKIMIYAGAWA OSAMU
    • G02F1/1343G02F1/1368
    • G02F1/136286G02F1/133345G02F1/133512G02F1/1339G02F1/134363G02F1/1345G02F1/1368G02F2001/134372G02F2001/136218
    • PROBLEM TO BE SOLVED: To provide a liquid crystal display device of a lateral electric field system which is configured to effectively suppress the problem that display ununiformity occurs in a display area end by affecting a counter substrate with an electric field from gate lead-out wiring and to suppress corrosion of a shield electrode that shuts off a leaked electric field from the gate lead-out wiring.SOLUTION: An array substrate 10 of a liquid crystal display device comprises a conductive film 90 and a second insulation film 7. The conductive film 90 is formed while covering gate lead-out wiring 2a via a first insulation film 3. The gate lead-out wiring 2a connects gate wiring and a connecting terminal 16 formed in an area outside a seal member 40. The second insulation film 7 is formed while covering the conductive film 90 at least in the area outside the seal member 40. A potential of a counter electrode is applied to the conductive film 90.
    • 解决的问题:提供一种横向电场系统的液晶显示装置,其被配置为通过从栅极引线的电场影响相对基板而有效地抑制在显示区域结束时显示不均匀性的问题 并且抑制屏蔽电极的腐蚀,其切断来自栅极引出布线的泄漏电场。 解决方案:液晶显示装置的阵列基板10包括导电膜90和第二绝缘膜7.导电膜90经由第一绝缘膜3覆盖栅极引出布线2a而形成。栅极 引出布线2a连接栅极布线和形成在密封构件40外部的区域中的连接端子16.第二绝缘膜7形成为至少在密封构件40的外侧覆盖导电膜90。 将对电极施加到导电膜90上。(C)2013,JPO&INPIT
    • 5. 发明专利
    • Liquid crystal display panel and liquid crystal display device
    • 液晶显示面板和液晶显示装置
    • JP2012103343A
    • 2012-05-31
    • JP2010249887
    • 2010-11-08
    • Mitsubishi Electric Corp三菱電機株式会社
    • NAGANO SHINGO
    • G02F1/1343
    • G02F1/134363G02F2001/134372G02F2201/121
    • PROBLEM TO BE SOLVED: To solve the problem in which: an FFS liquid crystal display device with the number of signal lines reduced to a half can reduce the cost but causes a problem of low opening ratio because the number of scan lines is doubled although a black matrix of a counter substrate is necessary in a boundary region of a pixel having no signal line.SOLUTION: A liquid crystal display panel 90 of an FFS liquid crystal display device 100 includes a contact hole 12 commonly used by adjacent two pixels 30 where a signal line 5 is not disposed, for connecting a common electrode 8 and a common signal line 82 in a boundary region between the adjacent two pixels in a black matrix BM region of a counter substrate 20.
    • 解决的问题为了解决以下问题:将信号线数减少到一半的FFS液晶显示装置可以降低成本,但是由于扫描线数为 虽然在没有信号线的像素的边界区域中需要相对基板的黑矩阵,但是是倍增的。 解决方案:FFS液晶显示装置100的液晶显示面板90包括通常由相邻的两个像素30使用的接触孔12,其中未设置信号线5,用于连接公共电极8和公共信号 线82在对置基板20的黑矩阵BM区域中的相邻两个像素之间的边界区域中。(C)2012,JPO和INPIT
    • 6. 发明专利
    • Array substrate and liquid crystal display device
    • 阵列基板和液晶显示装置
    • JP2011186138A
    • 2011-09-22
    • JP2010050537
    • 2010-03-08
    • Mitsubishi Electric Corp三菱電機株式会社
    • NAGANO SHINGOODOI YUZO
    • G02F1/1368
    • G02F1/1333
    • PROBLEM TO BE SOLVED: To solve the problem wherein image persistence due to the influence of residual charge occurs easily in the configuration of a liquid crystal display device of a conventional FFS system, in which a lower electrode is a pixel electrode. SOLUTION: A pixel 30 of the liquid crystal display device 100 is equipped with: a scanning wiring 2; a signal wiring 5; a lower electrode 6 connected to a drain electrode 51 of a TFT, and an upper electrode 8 arranged in the upper layer through a protective film 7. In an area where the upper electrode 8 is not formed and light is not transmitted, the second contact hole 12 is provided on the protective film 7 on a conducting pattern 55 having the same potential as the lower electrode 6, where the protective film 7 is removed. COPYRIGHT: (C)2011,JPO&INPIT
    • 解决的问题为了解决在下电极是像素电极的常规FFS系统的液晶显示装置的配置中容易发生由于残留电荷的影响而导致的图像持续性的问题。 解决方案:液晶显示装置100的像素30配备有:扫描布线2; 信号线5; 连接到TFT的漏电极51的下电极6和通过保护膜7布置在上层中的上电极8.在没有形成上电极8并且不透光的区域中,第二接触 在保护膜7上设置有与下部电极6相同电位的导电图案55上的保护膜7被除去的孔12。 版权所有(C)2011,JPO&INPIT
    • 7. 发明专利
    • Liquid crystal display device
    • 液晶显示装置
    • JP2008171016A
    • 2008-07-24
    • JP2008025316
    • 2008-02-05
    • Mitsubishi Electric Corp三菱電機株式会社
    • MASUTANI YUICHINAGANO SHINGO
    • G02F1/1345G02F1/1343G02F1/1368H01L21/3205H01L23/52
    • PROBLEM TO BE SOLVED: To provide a liquid crystal display device free from a white void in a display area near a gate terminal by blocking an electric field generated by a lead wiring line and preventing potential fluctuation in a counter substrate in an in-plane switching liquid crystal display device. SOLUTION: The liquid crystal display device relating to the present invention includes a gate terminal to apply a voltage to a gate wiring line and a tapered gate wiring section placed to be connected thereto, and a conductive layer disposed over the tapered gate wiring section via an insulating film. The gate terminal 16 to apply a voltage to a gate wiring line 4, and the tapered gate wiring section 14 laid to be connected thereto are provided; and the conductive layer 18 is laid over the tapered gate wiring section 14 via the gate insulating film 5. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:通过阻挡由引线布线产生的电场并防止在相对基板中的电位波动来提供在栅极端子附近的显示区域中没有白色空隙的液晶显示装置 平面切换液晶显示装置。 解决方案:本发明的液晶显示装置包括:栅极端子,用于向栅极布线施加电压;以及栅极布线部分,与设置在其上的栅极布线部分相连;以及设置在锥形栅极布线 通过绝缘膜切片。 设置用于向栅极配线4施加电压的栅极端子16和与其连接的锥形栅极配线部14。 并且导电层18经由栅极绝缘膜5覆盖在锥形栅极布线部分14上。版权所有(C)2008,JPO&INPIT
    • 8. 发明专利
    • Liquid crystal display device
    • 液晶显示装置
    • JP2008014965A
    • 2008-01-24
    • JP2006182689
    • 2006-06-30
    • Mitsubishi Electric Corp三菱電機株式会社
    • ISHIKAWA TAKAMITSUNAGANO SHINGO
    • G02F1/13363G02B5/30G02F1/1335G02F1/1343
    • G02F1/133555G02F1/133371G02F1/134363
    • PROBLEM TO BE SOLVED: To provide a liquid crystal display device which allows compatibility of a black and white display both in a transmissive mode and in a reflective mode in addition to a wide viewing angle transmissive display with no occurrence of gray scale inversion, at a low cost. SOLUTION: The lateral electric field type liquid crystal display device comprises a liquid crystal layer interposed between a first substrate and a second substrate placed opposite to each other, has a transmissive region and a reflective region in each of pixels arranged in a matrix, and has a pixel electrode and a common electrode to apply voltage to the liquid crystal layer arranged on the first substrate, wherein a retardation plate of approximately λ/2, a retardation plate of approximately λ/4, and a polarizing plate are provided sequentially from the first substrate side on a surface of the first substrate on the side opposite to the liquid crystal layer, and a retardation plate of approximately λ/4, and a polarizing plate are provided sequentially from the second substrate side on a surface of the second substrate on the side opposite to the liquid crystal layer. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种液晶显示装置,除了宽视角透射显示之外,还可以在透射模式和反射模式下兼容黑白显示器,而不发生灰度反转 ,成本低廉。 解决方案:横向电场型液晶显示装置包括插入在彼此相对放置的第一基板和第二基板之间的液晶层,在排列成矩阵的每个像素中具有透射区域和反射区域 并且具有像素电极和公共电极以对布置在第一基板上的液晶层施加电压,其中依次设置大约λ/ 2的延迟板,约λ/ 4的延迟板和偏振片 从所述第一基板的与所述液晶层相反的一侧的表面上的所述第一基板侧和大约λ/ 4的相位差板以及偏振板从所述第二基板侧依次设置在所述第二基板侧的所述第二基板侧的表面上 基板在与液晶层相反的一侧。 版权所有(C)2008,JPO&INPIT
    • 9. 发明专利
    • Semitransparent liquid crystal display and its manufacturing method
    • 半透明液晶显示及其制造方法
    • JP2005292661A
    • 2005-10-20
    • JP2004110300
    • 2004-04-02
    • Mitsubishi Electric Corp三菱電機株式会社
    • MASUTANI YUICHINAGANO SHINGO
    • G02F1/1333G02F1/1335G02F1/1343G02F1/1368
    • PROBLEM TO BE SOLVED: To obtain large auxiliary capacitance without using an organic resin film, having high material cost and without reducing yield, in a semitransparent liquid crystal display. SOLUTION: In the semitransparent liquid crystal display, the auxiliary capacitance, when a liquid crystal is driven is formed by superposing a reflection pixel electrode 10 provided in a layer apart from wirings enclosing a pixel via an insulating layer on an auxiliary capacitance wiring 24 consisting of a first conductive film 2. By superposing the reflection pixel electrode 10 on the auxiliary capacitance wiring 24 consisting of the first conductive film 2 via the insulating layer, height difference (gap) between the reflection pixel electrode 10 and a transmission pixel electrode is reduced; and even when the organic resin having high material costs is not used for a TFT array substrate 100, optical path lengths in a reflection pixel electrode part and a transmission pixel electrode part can be made equal to each other, by forming a projecting part using a transparent resin in a position corresponding to a reflection region of a counter substrate side. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:在半透射型液晶显示器中,为了获得大的辅助电容而不使用有机树脂膜,材料成本高且不降低产率。 解决方案:在半透射液晶显示器中,通过在辅助电容布线上叠加通过绝缘层将设置在与包围像素的布线隔开的层中的反射像素电极10叠加来驱动液晶时的辅助电容 通过将反射像素电极10经由绝缘层叠加在由第一导电膜2构成的辅助电容布线24上,反射像素电极10和透射像素电极之间的高度差(间隙) 降低了; 并且即使当TFT阵列基板100不使用具有高材料成本的有机树脂时,也可以使反射像素电极部分和透射像素电极部分中的光路长度彼此相等,通过使用 透明树脂处于与相对基板侧的反射区域对应的位置。 版权所有(C)2006,JPO&NCIPI
    • 10. 发明专利
    • Liquid crystal display device
    • 液晶显示装置
    • JP2014178706A
    • 2014-09-25
    • JP2014107859
    • 2014-05-26
    • Mitsubishi Electric Corp三菱電機株式会社
    • NAGANO SHINGO
    • G02F1/1343G02F1/1368
    • PROBLEM TO BE SOLVED: To solve the problem that since the width of a gap part or a branched electrode part of an upper electrode in a pixel relates to electric field intensity applied to a liquid crystal layer, and affects light transmittance in a liquid crystal display device of an FFS system, processing dimensional variation in the upper electrode is easily visually recognized as the display unevenness of the liquid crystal display device.SOLUTION: An upper electrode 8 in a liquid crystal display device of an FFS system includes regions in which a ratio R(=C/W) of width C of a gap part 81 to width W of a branch electrode part 82 adjacent to the gap differs, and includes both of a region S2 in which light transmittance T increases and a region S3 in which the light transmittance decreases with respect to changes of increase (R2→R2b, R3→R3b) in the ratio R due to dimensional variation.
    • 要解决的问题为了解决像素中的上部电极的间隙部分或分支电极部分的宽度与施加到液晶层的电场强度相关的问题,并且影响液晶显示器中的透光率 FFS系统的装置,上述电极的处理尺寸变化容易被视觉识别为液晶显示装置的显示不均匀性。解决方案:FFS系统的液晶显示装置中的上部电极8包括其中比例 间隙部分81的宽度C的R(= C / W)与与间隙相邻的分支电极部分82的宽度W不同,并且包括透光率T增加的区域S2和其中 相对于由尺寸变化导致的比率R的增加的变化(R2→R2b,R3→R3b),透光率降低。