公开(公告)号：US20120223931A1

公开(公告)日：2012-09-06

申请号：US13509380

申请日：2010-08-30

申请人： Kunihiro Tashiro ,  Shogo Nishiwaki ,  Hideki Fujimoto ,  Yoshihito Hara

发明人： Kunihiro Tashiro ,  Shogo Nishiwaki ,  Hideki Fujimoto ,  Yoshihito Hara

IPC分类号： G09G5/00 ,  G09G3/36

CPC分类号： G02F1/134309 ,  G02F2001/134318

摘要： An object of the present invention is to provide a liquid crystal display device which has a high luminance and excellent display quality. In a liquid crystal display device of the present invention, a common electrode (45) includes a first common electrode (45a) and a second common electrode (45b), and a pixel electrode (60) includes a first trunk portion (61a), a second trunk portion (61b), a plurality of first branch portions (62a) extending in the first direction, a plurality of second branch portions (62b) extending in the second direction, a plurality of third branch portions (62c) extending in the third direction, and a plurality of fourth branch portions (62d) extending in the fourth direction. When a pixel is viewed from a direction perpendicular to a plane of the TFT substrate (10), a boundary between the first common electrode (45a) and the second common electrode (45b) extends over the first trunk portion (61a) of the pixel electrode (60) and extends in a same direction as an extending direction of the first trunk portion (61a).

摘要翻译： 本发明的目的是提供一种具有高亮度和优异的显示质量的液晶显示装置。 在本发明的液晶显示装置中，公共电极（45）包括第一公共电极（45a）和第二公共电极（45b），像素电极（60）具有第一主体部（61a） 第二主体部分（61b），沿第一方向延伸的多个第一分支部分（62a），沿第二方向延伸的多个第二分支部分（62b），在第二方向上延伸的多个第三分支部分（62c） 以及沿第四方向延伸的多个第四分支部分（62d）。 当从垂直于TFT基板（10）的平面的方向观察像素时，第一公共电极（45a）和第二公共电极（45b）之间的边界在像素的第一主体部分（61a）上延伸 电极（60）并且沿与第一主干部分（61a）的延伸方向相同的方向延伸。

公开(公告)号：US20130063686A1

公开(公告)日：2013-03-14

申请号：US13699122

申请日：2011-05-19

申请人： Kunihiro Tashiro ,  Hideki Fujimoto ,  Yoshihito Hara

发明人： Kunihiro Tashiro ,  Hideki Fujimoto ,  Yoshihito Hara

IPC分类号： G02F1/1343 ,  G02F1/1335 ,  G02F1/1337

CPC分类号： G02F1/134336 ,  G02F1/133707 ,  G02F1/133753 ,  G02F2001/133757 ,  G02F2001/134318

摘要： A liquid crystal display device (100) of the present invention has a plurality of pixels (P) which are in a matrix arrangement and includes: a first substrate (1) which includes a pixel electrode (12) which is provided in each pixel; a second substrate (2) which opposes the first substrate; and a vertical alignment liquid crystal layer (3) which is provided between these substrates, wherein light that is incident on the liquid crystal layer is circularly-polarized light, and the liquid crystal layer modulates the circularly-polarized light, thereby realizing display. The pixel electrode includes at least one cruciform trunk portion (12a), a plurality of branch portions (12b) extending from the at least one cruciform trunk portion in a direction of about 45°, and a plurality of slits (12c) provided between the plurality of branch portions. The second substrate includes a plurality of counter electrodes (22) which are electrically independent of each other in each pixel. According to the present invention, in a liquid crystal display device which includes a vertical alignment liquid crystal, the γ shift can be sufficiently reduced, and decrease of the transmittance can be prevented.

摘要翻译： 本发明的液晶显示装置（100）具有矩阵排列的多个像素（P），包括：第一基板（1），其包括设置在各像素中的像素电极（12） 与第一基板相对的第二基板（2） 以及设置在这些基板之间的垂直取向液晶层（3），其中入射到液晶层的光是圆偏振光，并且液晶层调制圆偏振光，从而实现显示。 像素电极包括至少一个十字形主干部分（12a），从至少一个十字形主干部分沿大约45°的方向延伸的多个分支部分（12b）和多个狭缝（12c） 多个分支部分。 第二基板包括在每个像素中彼此电独立的多个对置电极（22）。 根据本发明，在包括垂直取向液晶的液晶显示装置中，可以充分地减小γ偏移，并且可以防止透射率的降低。

公开(公告)号：US09081240B2

公开(公告)日：2015-07-14

申请号：US13699122

申请日：2011-05-19

申请人： Kunihiro Tashiro ,  Hideki Fujimoto ,  Yoshihito Hara

发明人： Kunihiro Tashiro ,  Hideki Fujimoto ,  Yoshihito Hara

IPC分类号： G02F1/1343 ,  G02F1/1337

CPC分类号： G02F1/134336 ,  G02F1/133707 ,  G02F1/133753 ,  G02F2001/133757 ,  G02F2001/134318

摘要： A liquid crystal display device (100) of the present invention has a plurality of pixels (P) which are in a matrix arrangement and includes: a first substrate (1) which includes a pixel electrode (12) which is provided in each pixel; a second substrate (2) which opposes the first substrate; and a vertical alignment liquid crystal layer (3) which is provided between these substrates, wherein light that is incident on the liquid crystal layer is circularly-polarized light, and the liquid crystal layer modulates the circularly-polarized light, thereby realizing display. The pixel electrode includes at least one cruciform trunk portion (12a), a plurality of branch portions (12b) extending from the at least one cruciform trunk portion in a direction of about 45°, and a plurality of slits (12c) provided between the plurality of branch portions. The second substrate includes a plurality of counter electrodes (22) which are electrically independent of each other in each pixel. According to the present invention, in a liquid crystal display device which includes a vertical alignment liquid crystal, the γ shift can be sufficiently reduced, and decrease of the transmittance can be prevented.

摘要翻译： 本发明的液晶显示装置（100）具有矩阵排列的多个像素（P），包括：第一基板（1），其包括设置在各像素中的像素电极（12） 与第一基板相对的第二基板（2） 以及设置在这些基板之间的垂直取向液晶层（3），其中入射到液晶层的光是圆偏振光，并且液晶层调制圆偏振光，从而实现显示。 像素电极包括至少一个十字形主干部分（12a），从至少一个十字形主干部分沿大约45°的方向延伸的多个分支部分（12b）和多个狭缝（12c） 多个分支部分。 第二基板包括在每个像素中彼此电独立的多个对置电极（22）。 根据本发明，在包括垂直取向液晶的液晶显示装置中，可以充分地减小γ偏移，并且可以防止透射率的降低。

公开(公告)号：US08659726B2

公开(公告)日：2014-02-25

申请号：US12595782

申请日：2007-12-27

申请人： Hajime Imai ,  Tetsuo Kikuchi ,  Hideki Kitagawa ,  Yoshihito Hara ,  Junya Shimada ,  Mitsunori Imade ,  Yoshiharu Kataoka

发明人： Hajime Imai ,  Tetsuo Kikuchi ,  Hideki Kitagawa ,  Yoshihito Hara ,  Junya Shimada ,  Mitsunori Imade ,  Yoshiharu Kataoka

IPC分类号： G02F1/1335 ,  G02F1/136

CPC分类号： G02F1/133555 ,  G02F1/133553 ,  G02F1/136227 ,  G02F1/136286 ,  G02F2001/134372 ,  G02F2001/136231 ,  G02F2001/136236

摘要： Transflective-type and reflection type liquid crystal display devices having a high image quality are provided with a good production efficiency.A liquid crystal display device according to the present invention is a liquid crystal display device which includes; a first substrate and a second substrate between which liquid crystal is interposed; a first electrode and a second electrode formed on the first substrate for applying a voltage for controlling an orientation of the liquid crystal; a transistor having an electrode which is electrically connected to the first electrode; a metal layer being formed on the first substrate and including a protrusion, a recess, or an aperture; and a reflective layer formed above the metal layer on the first substrate for reflecting incident light toward a display surface. The metal layer is made of a same material as that of a gate electrode of the transistor. The reflective layer includes a protrusion, a recess, or a level difference which is formed in accordance with a protrusion, a recess, or an aperture of the metal layer.

摘要翻译： 具有高图像质量的透反射型和反射型液晶显示装置具有良好的生产效率。 根据本发明的液晶显示装置是一种液晶显示装置，包括： 第一基板和第二基板，液晶插入其间; 第一电极和第二电极，形成在第一基板上，用于施加用于控制液晶取向的电压; 具有电连接到第一电极的电极的晶体管; 金属层形成在第一基板上并且包括突起，凹部或孔; 以及反射层，形成在第一基板上的金属层的上方，用于将入射光反射到显示面。 金属层由与晶体管的栅电极相同的材料制成。 反射层包括根据金属层的突起，凹部或孔形成的突起，凹部或水平差。

公开(公告)号：US20130181217A1

公开(公告)日：2013-07-18

申请号：US13823872

申请日：2011-09-30

申请人： Yoshihito Hara ,  Yukinobu Nakata

发明人： Yoshihito Hara ,  Yukinobu Nakata

IPC分类号： H01L29/786 ,  H01L29/66

CPC分类号： H01L27/124 ,  G02F1/13458 ,  G02F1/136227 ,  G02F2001/13629 ,  G02F2001/136295 ,  H01L27/1225 ,  H01L27/1255 ,  H01L27/1288 ,  H01L27/3262 ,  H01L29/41733 ,  H01L29/42384 ,  H01L29/7869 ,  H05B33/02

摘要： A semiconductor device (100) according to the present invention includes a thin film transistor (10) having a gate electrode (62a), a first insulating layer (64), an oxide semiconductor layer (66a), a protection layer (68), a source electrode (72as), and a second insulating layer (74). A first connecting portion (30) includes a lower metal layer (72c), an upper metal layer (72c), and an insulating layer (74). A second connecting portion (40) includes a lower metal layer (72d) and an upper conductive layer (17d). A region in which the lower metal layer (72d) is in contact with the upper conductive layer (17d), and a region in which an insulating layer (74) made of a same material as the first insulating layer and a semiconductor layer (66d) made of a same material as the oxide semiconductor layer (66a) are stacked in between the lower metal layer (72d) and the upper conductive layer (17d), are formed in the second connecting portion (40). As a result, a semiconductor device with a higher performance can be provided with a high production efficiency.

公开(公告)号：US20130153904A1

公开(公告)日：2013-06-20

申请号：US13819352

申请日：2011-08-26

申请人： Jun Nishimura ,  Yukinobu Nakata ,  Yoshihito Hara

发明人： Jun Nishimura ,  Yukinobu Nakata ,  Yoshihito Hara

IPC分类号： H01L27/04 ,  H01L21/82

CPC分类号： H01L27/04 ,  G02F1/133345 ,  G02F1/136213 ,  G02F1/136227 ,  G02F1/1368 ,  H01L21/82 ,  H01L27/1225 ,  H01L27/1255

摘要： A semiconductor device (1000) includes a thin film transistor having a gate line (3a), source and drain lines (13as, 13ad), and an island-like oxide semiconductor layer (7), and a capacitor element (105) having a first electrode (3b) formed from the same conductive film as the gate line (3s), a second electrode (13b) formed from the same conductive film as the source line (13as), and a dielectric layer positioned between the first electrode and the second electrode. A gate insulating film (5) has a layered structure including a first insulating layer (5A) containing an oxide and a second insulating layer (5B) disposed on the side closer to the gate electrode closer than the first insulating film and having a higher dielectric constant than the first insulating film, the layered structure being in contact with the oxide semiconductor layer (7). The dielectric layer includes the second insulating film (5B) but does not include the first insulating film (5A). Accordingly, the deterioration of the oxide semiconductor layer due to oxygen deficiency can be suppressed without reducing the capacitance value of the capacitor element).

摘要翻译： 半导体器件（1000）包括具有栅极线（3a），源极和漏极线（13as，13ad）和岛状氧化物半导体层（7）的薄膜晶体管，以及电容器元件（105），其具有 由与栅极线（3s）相同的导电膜形成的第一电极（3b），由与源极线（13as）相同的导电膜形成的第二电极（13b）以及位于第一电极 第二电极。 栅极绝缘膜（5）具有层叠结构，该层叠结构具有包含氧化物的第一绝缘层（5A）和位于比第一绝缘膜更靠近栅电极的一侧的第二绝缘层（5B），并且具有较高的电介质 与第一绝缘膜恒定，层状结构与氧化物半导体层（7）接触。 电介质层包括第二绝缘膜（5B），但不包括第一绝缘膜（5A）。 因此，可以抑制氧缺陷导致的氧化物半导体层的劣化，而不会降低电容器元件的电容值）。

公开(公告)号：US08300186B2

公开(公告)日：2012-10-30

申请号：US12299138

申请日：2007-04-05

申请人： Hajime Imai ,  Tetsuo Kikuchi ,  Hideki Kitagawa ,  Yoshihito Hara

发明人： Hajime Imai ,  Tetsuo Kikuchi ,  Hideki Kitagawa ,  Yoshihito Hara

IPC分类号： G02F1/1335

CPC分类号： G02F1/133555 ,  G02F1/133553 ,  G02F1/136227 ,  G02F2001/136281

摘要： A liquid crystal display device, which can be a transflective-type or a reflection-type, includes a reflection section arranged to reflect incident light toward a display surface, wherein the reflection section includes a reflective layer provided on a substrate, and includes a first recess formed in a surface of the reflective layer and a second recess formed in the surface of the reflective layer in the first recess. The first recess corresponds to an aperture of a Cs metal layer, and the second recess corresponds to an aperture of a semiconductor layer. The transflective-type or reflection-type liquid crystal display device has a high image quality at low cost.

摘要翻译： 可以是透反射型或反射型的液晶显示装置包括反射部分，其被布置成将入射光反射到显示表面，其中反射部分包括设置在基板上的反射层，并且包括第一 形成在反射层的表面中的凹部和形成在第一凹部中的反射层的表面中的第二凹部。 第一凹部对应于Cs金属层的孔，第二凹槽对应于半导体层的孔。 半反射型或反射型液晶显示装置以低成本具有高图像质量。

公开(公告)号：US08243236B2

公开(公告)日：2012-08-14

申请号：US12446071

申请日：2007-09-07

申请人： Yoshihito Hara ,  Tetsuo Kikuchi ,  Hideki Kitagawa ,  Hajime Imai ,  Mitsunori Imade ,  Junya Shimada

发明人： Yoshihito Hara ,  Tetsuo Kikuchi ,  Hideki Kitagawa ,  Hajime Imai ,  Mitsunori Imade ,  Junya Shimada

IPC分类号： G02F1/1335

CPC分类号： G02F1/133553

摘要： A transflective-type and a reflection-type liquid crystal display device having a high reflection efficiency and a high image quality are provided. A liquid crystal display device of the present invention is a liquid crystal display device including a reflection region for reflecting incident light toward a display surface, wherein the reflection region includes a metal layer, an insulating layer formed on the metal layer, a semiconductor layer formed on the insulating layer, and a reflective layer formed on the semiconductor layer; a plurality of recesses are formed in at least one of the metal layer, the insulating layer and the semiconductor layer; a plurality of dents are formed in the reflective layer in the reflection region according to the plurality of recesses; and a shortest distance a between edge portions of at least two of the plurality of recesses is 4 μm or less.

摘要翻译： 提供了具有高反射效率和高图像质量的透反射型和反射型液晶显示装置。 本发明的液晶显示装置是具有将入射光反射到显示面的反射区域的液晶显示装置，其中反射区域包括金属层，形成在金属层上的绝缘层，形成的半导体层 在绝缘层上形成反射层; 在金属层，绝缘层和半导体层中的至少一个中形成多个凹部; 根据多个凹部，在反射区域中的反射层中形成多个凹痕; 并且所述多个凹部中的至少两个凹部的边缘部之间的最短距离a为4μm以下。

公开(公告)号：US20100182527A1

公开(公告)日：2010-07-22

申请号：US12666461

申请日：2008-05-29

申请人： Tetsuo Kikuchi ,  Hideki Kitagawa ,  Hajime Imai ,  Yoshihito Hara ,  Mitsunori Imade ,  Junya Shimada

发明人： Tetsuo Kikuchi ,  Hideki Kitagawa ,  Hajime Imai ,  Yoshihito Hara ,  Mitsunori Imade ,  Junya Shimada

IPC分类号： G02F1/1368 ,  G02F1/1335 ,  H01L21/28

CPC分类号： G02F1/133555 ,  G02F1/133553 ,  G02F1/13439 ,  G02F1/136286 ,  G02F2203/03

摘要： A reflection-type or transflective-type liquid crystal display device having a high image quality, which has an excellent efficiency of utility of reflected light, is provided at low cost.A liquid crystal display device according to the present invention is a liquid crystal display device having a plurality of pixels, and including, in each of the plurality of pixels, a reflection section for reflecting incident light toward a display surface. The reflection section includes a metal layer having a plurality of apertures, and a reflective layer formed on the metal layer with an insulating layer interposed therebetween. A surface of the reflective layer includes a plurality of recesses or protrusions formed in accordance with a cross-sectional shape of the metal layer. Regarding distance between two adjoining apertures among the plurality of apertures of the metal layer, a shortest distance is no less than 0.3 μm and no more than 3.0 μm.

摘要翻译： 以低成本提供了具有高反射光效率的具有高图像质量的反射型或透反射型液晶显示装置。 根据本发明的液晶显示装置是具有多个像素的液晶显示装置，并且在多个像素中的每一个中包括用于将入射光反射到显示面的反射部。 反射部分包括具有多个孔的金属层，以及在金属层上形成有绝缘层的反射层。 反射层的表面包括根据金属层的横截面形状形成的多个凹部或突起。 关于金属层的多个孔中的两个相邻孔之间的距离，最短距离不小于0.3μm且不大于3.0μm。

公开(公告)号：US08829517B2

公开(公告)日：2014-09-09

申请号：US13810944

申请日：2011-07-14

申请人： Yoshihito Hara ,  Yukinobu Nakata

发明人： Yoshihito Hara ,  Yukinobu Nakata

IPC分类号： H01L29/10 ,  H01L29/786 ,  H01L27/12 ,  G02F1/1345 ,  G02F1/1362 ,  H01L27/32 ,  H01L29/66

CPC分类号： H01L29/78693 ,  G02F1/13458 ,  G02F1/136227 ,  H01L27/1225 ,  H01L27/124 ,  H01L27/3276 ,  H01L29/66969

摘要： A TFT substrate (20a) includes: an insulating substrate (10a); a plurality of source terminals (15) located on the insulating substrate (10a); and a first terminal cover (24) covering part of each of the source terminals (15) and made of an oxide semiconductor. The first terminal cover (24) is removed in a region R between adjacent ones of the source terminals (15).

摘要翻译： TFT基板（20a）包括：绝缘基板（10a）; 位于绝缘基板（10a）上的多个源极端子（15）; 以及覆盖每个源极端子（15）的一部分并由氧化物半导体制成的第一端子盖（24）。 在相邻的源极端子（15）之间的区域R中去除第一端子盖（24）。