公开(公告)号：US06583842B2

公开(公告)日：2003-06-24

申请号：US10004626

申请日：2001-12-04

申请人： Seung Ho Hong ,  Youn Hak Jeong ,  Jin Mahn Kim ,  Seung Hee Lee

发明人： Seung Ho Hong ,  Youn Hak Jeong ,  Jin Mahn Kim ,  Seung Hee Lee

IPC分类号： G02F11337

CPC分类号： G02F1/134363 ,  G02F2203/02

摘要： A reflective type fringe field switching mode liquid crystal display device having improved contrast is provided. The device has a lower and an upper substrates arranged with a distance and having a unit pixel defined therein. Between the substrates, a liquid crystal layer having a plurality of liquid crystal molecules are interposed. A counter electrode is formed on an inner surface of the lower substrate in the unit pixel. A pixel electrode is formed above the counter electrode. The pixel electrode and the counter electrode generate a fringe field for driving the liquid crystal molecules in the unit pixel. A horizontal alignment layer having a rubbing axis is interposed between the lower substrate and the liquid crystal layer, and a vertical alignment layer is interposed between the upper substrate and the liquid crystal layer. In addition, a polarizer is disposed on an outer surface of the upper substrate and having a polarizing axis.

公开(公告)号：US06512503B1

公开(公告)日：2003-01-28

申请号：US09472637

申请日：1999-12-27

申请人： Hyang Yul Kim ,  Seung Hee Lee ,  Won Geon Lee

发明人： Hyang Yul Kim ,  Seung Hee Lee ,  Won Geon Lee

IPC分类号： G09G336

CPC分类号： G02F1/134363 ,  G02F2001/134381

摘要： The invention discloses a liquid crystal display capable of preventing color shift and also improving response time characteristics. The liquid crystal display comprises: an upper substrate and a lower substrate opposed to each other with a selected distance; a liquid crystal layer sandwiched between the upper and the lower substrate, and having a plurality of liquid crystal molecules; a pixel electrode formed at an inner surface of the lower substrate, wherein a display signal is applied to the pixel electrode; and a counter electrode formed an inner surface of the upper substrate and forming an electric field together with the pixel electrode by applying a common signal, thereby driving the liquid crystal molecules; wherein a voltage difference is occurred between the counter and the pixel electrodes, there are simultaneously formed an electric field disposed vertical to substrate surface and an oblique electric field disposed oblique to substrate surface between the pixel electrode and the counter electrode.

摘要翻译： 本发明公开了一种能够防止色彩偏移并且还改善响应时间特性的液晶显示器。 液晶显示器包括：上基板和下基板，其具有选定距离的彼此相对; 夹在上基板和下基板之间的液晶层，并具有多个液晶分子; 形成在所述下基板的内表面的像素电极，其中，对所述像素电极施加显示信号; 和形成上基板的内表面的对电极，通过施加公共信号与像素电极一起形成电场，从而驱动液晶分子; 其中在计数器和像素电极之间产生电压差，同时形成垂直于衬底表面的电场和倾斜于像素电极和对电极之间的衬底表面的倾斜电场。

公开(公告)号：US06476900B1

公开(公告)日：2002-11-05

申请号：US09199001

申请日：1998-11-24

申请人： Seung Hee Lee ,  In Cheol Park ,  Hyang Yul Kim ,  Yun Hee Lee

发明人： Seung Hee Lee ,  In Cheol Park ,  Hyang Yul Kim ,  Yun Hee Lee

IPC分类号： G02F11343

CPC分类号： G02F1/134363

摘要： Is disclosed a liquid crystal display having a gate bus line arranged in a first direction on a substrate, a data bus line arranged in a second direction substantially perpendicular to the first direction on the substrate, the data bus line defining a space for an unit pixel of the LCD together with the gate bus line, a counter electrode formed in the unit pixel space of the LCD and having at least three first part extended in the second direction, and a pixel electrode having at least two second parts, the second part extended between the first parts of the counter electrode and disposed in the second direction, the second part slanting to one side of adjacent first parts thereto, so that an intensity of an electric field at one portion of the unit pixel space is different at another portion of the unit pixel space. Accordingly, a color shift of the LCD is prevented.

摘要翻译： 公开了一种液晶显示器，其具有在基板上沿第一方向布置的栅极总线，在基板上沿与第一方向基本垂直的第二方向布置的数据总线，数据总线线限定单位像素的空间 与栅极总线一起形成在LCD的单位像素空间中并且具有沿第二方向延伸的至少三个第一部分的对电极和具有至少两个第二部分的像素电极，第二部分延伸 在相对电极的第一部分之间并且沿第二方向布置，第二部分倾斜到相邻的第一部分的一侧，使得单位像素空间的一部分处的电场的强度在另一部分 单位像素空间。 因此，防止了LCD的色移。

公开(公告)号：US06456351B1

公开(公告)日：2002-09-24

申请号：US09320085

申请日：1999-05-26

申请人： Hyang Yul Kim ,  Seung Hee Lee

发明人： Hyang Yul Kim ,  Seung Hee Lee

IPC分类号： G02F11343

CPC分类号： G02F1/134363

摘要： The present invention is directed to provide a liquid crystal display having an improved picture quality, high transmittance and high aperture ratio. The liquid crystal display comprises: an upper and a lower substrate opposed each other to be spaced apart; a liquid crystal layer interposed between inner surfaces of the upper and lower substrates, the liquid crystal layer including a plurality of liquid crystal molecules; a gate bus line and a data bus line formed in the lower substrate in a matrix configuration and defining sub-pixel regions; a counter electrode formed on each sub-pixel region of the lower substrate; a pixel electrode formed on each sub-pixel region of the lower substrate, wherein the counter electrode and the pixel electrode form an electric field; a thin film transistor formed at an intersection of the gate bus line and the data bus line, and switching a signal transmitted from the data bus line into the pixel electrode when the gate bus line is selected; and a homogeneous alignment layer formed on inner surfaces of the upper and lower substrates, wherein a first electric field is formed between the counter and pixel electrodes of a selected sub-pixel among the sub-pixel regions, and the electric field is formed as a diagonal line with respect to the gate bus line and the data bus line, wherein a second electric field is formed between the counter electrode and the pixel electrode of another sub-pixel adjacent to said selected sub-pixel, and the second electric field is formed as a diagonal line to make a symmetry with the first electric field.

摘要翻译： 本发明旨在提供一种具有改进的图像质量，高透射率和高开口率的液晶显示器。液晶显示器包括：彼此相对地间隔开的上基板和下基板; 插入在上下基板的内表面之间的液晶层，液晶层包括多个液晶分子; 栅极总线和数据总线，以矩阵形式形成在下基板中并限定子像素区域; 形成在所述下基板的每个子像素区域上的对电极; 形成在所述下基板的每个子像素区域上的像素电极，其中所述对电极和所述像素电极形成电场; 形成在栅极总线和数据总线的交点处的薄膜晶体管，并且当选择栅极总线时将从数据总线发送的信号切换成像素电极; 以及形成在所述上基板和所述下基板的内表面上的均匀取向层，其中在所述子像素区域中的所选择的子像素的所述计数器和像素电极之间形成第一电场，并且所述电场形成为 相对于栅极总线和数据总线的对角线，其中在相对电极和与所述选择的子像素相邻的另一子像素的像素电极之间形成第二电场，形成第二电场 作为与第一电场对称的对角线。

公开(公告)号：US06449026B1

公开(公告)日：2002-09-10

申请号：US09599372

申请日：2000-06-22

申请人： Tae Yup Min ,  Seung Jun Yi ,  Seung Hee Lee ,  In Cheol Park ,  Youn Hak Jeong

发明人： Tae Yup Min ,  Seung Jun Yi ,  Seung Hee Lee ,  In Cheol Park ,  Youn Hak Jeong

IPC分类号： G02F1136

CPC分类号： G02F1/134363 ,  G02F2001/134372

摘要： Disclosed is a fringe field switching liquid crystal display (FFS-LCD) and a method for manufacturing the same. The FFS-LCD comprises: a lower substrate; a plurality of gate bus lines extending along a selected direction on the lower substrate; a plurality of data bus lines disposed on the lower substrate in a manner such that they are crossed with the plurality of gate bus lines, for defining a unit pixel; a gate insulating film for insulating the gate bus lines and the data bus lines from each other; a thin film transistor located at a place where the gate bus lines and the data bus lines are crossed with each other; a pixel electrode formed on the gate insulating film, brought into contact with the thin film transistor and disposed in a space of the unit pixel; a counter electrode overlapped on the pixel electrode, the counter electrode cooperating with the pixel electrode for forming a fringe field which actuates all liquid crystal molecules existing on the pixel electrode and the counter electrode; and a passivation layer intervened between the pixel electrode and the counter electrode, wherein the pixel electrode and the counter electrode are made from a transparent conductive material and the plurality of gate bus lines are made as a metal film including aluminum.

摘要翻译： 公开了一种边缘场切换液晶显示器（FFS-LCD）及其制造方法。 FFS-LCD包括：下基板; 沿着所述下基板上的选定方向延伸的多个栅极总线; 多个数据总线，以与所述多个栅极总线交叉的方式设置在所述下基板上，用于限定单位像素; 栅极绝缘膜，用于使栅极总线和数据总线彼此绝缘; 位于栅极总线和数据总线彼此交叉的位置处的薄膜晶体管; 形成在所述栅极绝缘膜上的像素电极，与所述薄膜晶体管接触并设置在所述单位像素的空间中; 对置电极，重叠在像素电极上，对置电极与像素电极配合，形成用于激活存在于像素电极和对电极上的所有液晶分子的条纹场; 以及介于像素电极和对电极之间的钝化层，其中像素电极和对电极由透明导电材料制成，并且多个栅极总线线制成包括铝的金属膜。

公开(公告)号：US06362032B1

公开(公告)日：2002-03-26

申请号：US09559367

申请日：2000-04-24

申请人： Hyang Yul Kim ,  Seung Hee Lee ,  Hyung Il Jeon

发明人： Hyang Yul Kim ,  Seung Hee Lee ,  Hyung Il Jeon

IPC分类号： H01L2100

CPC分类号： H01L27/1288 ,  G02F1/134363 ,  G02F1/13458 ,  G02F2001/134372 ,  G02F2001/136295 ,  H01L27/1214 ,  H01L27/13 ,  H01L29/66765

摘要： This invention provides a method for manufacturing a fringe field switching mode liquid crystal display. The method includes the steps of: depositing a transparent metal layer on a transparent insulating layer and forming a counter electrode by etching the transparent metal layer according to a first mask process; depositing an insulating layer on the counter electrode and the substrate; depositing a first opaque metal layer on the insulating layer and forming a gate line, a common electrode line and a pad by etching the first opaque metal layer according to a second mask process; depositing a gate insulating layer, an a-Si layer and an n+ a-Si layer in turn on a resultant and defining an active region of thin film transistor by etching the n+ a-Si layer and the a-Si layer according to a third mask process; depositing a transparent metal layer on the resultant and forming a pixel electrode of a comb shape by etching the transparent metal layer according to a fourth mask process; etching the gate insulating layer according to a fifth mask process so that the pad is exposed; forming a source electrode, a drain electrode and data line including a data pad by etching the second opaque metal layer according to a sixth mask process; and forming a passivation layer on the entire resultant and etching the passivation layer according to a seventh mask process so that the data pad is exposed.

摘要翻译： 本发明提供了一种用于制造边缘场开关模式液晶显示器的方法。 该方法包括以下步骤：在透明绝缘层上沉积透明金属层，并通过根据第一掩模工艺蚀刻透明金属层形成对电极; 在对电极和基板上沉积绝缘层; 通过根据第二掩模工艺蚀刻第一不透明金属层，在绝缘层上沉积第一不透明金属层并形成栅极线，共同电极线和焊盘; 依次在栅极绝缘层，a-Si层和n + a-Si层上淀积栅极绝缘层，a-Si层和n + a-Si层，并通过根据第三层蚀刻n + a-Si层和a-Si层来限定薄膜晶体管的有源区 掩模过程; 通过根据第四掩模工艺蚀刻透明金属层，在结果上沉积透明金属层并形成梳形像素电极; 根据第五掩模处理蚀刻栅极绝缘层，使得焊盘露出; 通过根据第六掩模处理蚀刻所述第二不透明金属层，形成源电极，漏电极和包括数据焊盘的数据线; 以及在整个结果上形成钝化层，并根据第七掩模处理蚀刻钝化层，使得暴露数据焊盘。

公开(公告)号：US06351300B1

公开(公告)日：2002-02-26

申请号：US09379452

申请日：1999-08-23

申请人： In Cheol Park ,  Seung Hee Lee ,  Won Geon Lee

发明人： In Cheol Park ,  Seung Hee Lee ,  Won Geon Lee

IPC分类号： G02F1136

CPC分类号： G02F1/133504 ,  G02F1/134363 ,  G02F2203/02

摘要： Disclosed is a reflective liquid crystal display having high transmittance and a method for manufacturing the same. The method comprises the steps of: forming a gate bus line and a common signal line by depositing a metal layer on a lower substrate and by patterning a selected portion of the metal layer; forming a gate insulating layer on the lower substrate in which the gate bus line is formed; forming a channel layer on a selected portion of the gate insulating layer having the gate bus line; forming a source electrode overlapped with one side of the channel layer, a drain electrode overlapped with the other side of the channel layer, and a data bus line being contacted to the source electrode and crossed with the gate bus line, by depositing a metal layer on the gate insulating layer in which the channel layer is formed, and by patterning a selected portion of the metal layer; forming an intermetal insulating layer having a uniform topology on a surface of the gate insulating layer; etching selected portions of the intermetal insulating layer and the gate insulating layer so as to expose selected portions of the common signal line and the drain electrode; and forming a counter electrode contacted with the common signal line and a pixel electrode contacted with the drain electrode by depositing a transparent metal layer on the intermetal insulating layer and by patterning a selected portion of the transparent metal layer.

摘要翻译： 公开了具有高透射率的反射型液晶显示器及其制造方法。 该方法包括以下步骤：通过在下基板上沉积金属层并通过图案化金属层的选定部分来形成栅极总线和公共信号线; 在形成栅极总线的下基板上形成栅极绝缘层; 在具有栅极总线的栅极绝缘层的选定部分上形成沟道层; 形成与所述沟道层的一侧重叠的源电极，与所述沟道层的另一侧重叠的漏电极，以及与所述源极电极接触并与所述栅极总线交叉的数据总线，通过沉积金属层 在其上形成沟道层的栅极绝缘层上，并且通过图案化金属层的选定部分; 在所述栅绝缘层的表面上形成具有均匀拓扑的金属间绝缘层; 蚀刻金属间绝缘层和栅极绝缘层的选定部分，以暴露公共信号线和漏电极的选定部分; 以及通过在金属间绝缘层上沉积透明金属层并且通过对透明金属层的选定部分进行图案化而形成与公共信号线接触的对电极和与漏电极接触的像素电极。

公开(公告)号：US06266118B1

公开(公告)日：2001-07-24

申请号：US09320084

申请日：1999-05-26

申请人： Seung Hee Lee ,  Seok Lyul Lee ,  Youn Hak Jeong

发明人： Seung Hee Lee ,  Seok Lyul Lee ,  Youn Hak Jeong

IPC分类号： G02F11343

CPC分类号： G02F1/134363 ,  G02F1/133707

摘要： Disclosed is a liquid crystal displace capable of improving picture quality and having enhanced aperture ratio and transmittance. The liquid crystal display comprises: upper and lower substrates opposed and spaced apart, wherein homogeneous alignment layers are formed at inner surfaces of both substrates; a liquid crystal layer including a plurality of liquid crystal molecules and interposed between the upper and lower substrates; a gate bus line and a data bus line formed between the lower substrate and the homogeneous alignment layer in a matrix configuration thereby defining unit pixel regions; transparent counter and pixel electrodes for driving the liquid crystal molecules formed at a unit pixel region in the lower substrate; and a thin film transistor disposed at an intersection of the gate bus line and the data bus line, and switching the pixel electrode, wherein, when a voltage is applied to the pixel electrode, there are formed electric fields respectively parallel to the gate bus line and the data bus line simultaneously and the liquid crystal molecules on and between the counter and pixel electrodes are all driven by the electric fields.

摘要翻译： 公开了能够提高图像质量并且具有增加的开口率和透射率的液晶取向。 液晶显示器包括：相对且间隔开的上下基板，其中在两个基板的内表面上形成均匀的取向层; 包括多个液晶分子并插入在所述上基板和所述下基板之间的液晶层; 栅极总线和数据总线，其以矩阵形式形成在下基板和均匀配向层之间，从而限定单位像素区域; 透明计数器和像素电极，用于驱动形成在下基板中的单位像素区域处的液晶分子; 以及设置在所述栅极总线和所述数据总线的交叉点的薄膜晶体管，并切换所述像素电极，其中，当对所述像素电极施加电压时，形成分别与所述栅极总线线路平行的电场 同时数据总线和计数器和像素电极之间和之间的液晶分子全部由电场驱动。

公开(公告)号：US06215542B1

公开(公告)日：2001-04-10

申请号：US09104757

申请日：1998-06-25

申请人： Seung Hee Lee ,  Bong Gyu Rho ,  Han Jun Park

发明人： Seung Hee Lee ,  Bong Gyu Rho ,  Han Jun Park

IPC分类号： G02F1343

CPC分类号： G02F1/134336 ,  G02F1/133707 ,  G02F1/1393

摘要： In a liquid crystal display having a pixel electrode and a counter electrode respectively formed on a lower substrate and a upper substrate, the electric field in ellipse form, is symmetrical between the pixel electrode and the counter electrode by forming an opening part in the pixel electrode or the counter electrode. Accordingly, the viewing angle feature, when voltage is applied to the liquid crystal display is enhanced.

摘要翻译： 在具有分别形成在下基板和上基板上的像素电极和对置电极的液晶显示器中，通过在像素电极中形成开口部，椭圆形的电场在像素电极和对电极之间对称 或对电极。 因此，当对液晶显示器施加电压时，视角特征得到增强。

公开(公告)号：US6144434A

公开(公告)日：2000-11-07

申请号：US307658

申请日：1999-05-10

申请人： Hyang Yul Kim ,  Seung Hee Lee

发明人： Hyang Yul Kim ,  Seung Hee Lee

IPC分类号： G02F1/137 ,  G02F1/1335 ,  G02F1/13363 ,  G02F1/1337 ,  G02F1/1343 ,  G02F1/139

CPC分类号： G02F1/134363 ,  G02F1/1393 ,  G02F1/13363 ,  G02F2001/133742

摘要： A liquid crystal display of homeotropic alignment mode having a multi-domain comprising: an upper and a lower substrates opposing each other with a selected cell gap; a liquid crystal layer sandwiched between said substrates and composed of a plurality of liquid crystal molecules; a first driving electrode and a second driving electrode both extended in parallel in a first direction and formed at inner surface of the lower substrate with a selected distance; and a third driving electrode and a fourth driving electrode both extended in parallel in a second direction which is substantially perpendicular to the first direction and both formed at inner surface of the upper substrate with a selected distance, wherein long axes of the liquid crystal molecules are arranged perpendicular to the substrates in the absence of electric field between the electrodes, and in the presence of electric field, the long axes of the liquid crystal molecules are tilted with respect to the center of the electric field so that the long axes of the liquid crystal molecules are arranged parallel to the electric field, wherein the cell gap is smaller than the distances between the first electrode and the second electrode and between the third electrode and the fourth electrode, and wherein an equivalent voltage is applied to the first and the third electrodes, however the voltage applied to the second and the fourth electrodes has voltage difference with the voltage applied to the first electrode.

摘要翻译： 一种具有多畴的垂直取向模式的液晶显示器，包括：具有选定单元间隙的彼此相对的上基板和下基板; 夹在所述基板之间并由多个液晶分子组成的液晶层; 第一驱动电极和第二驱动电极均在第一方向上平行地延伸并且以所选择的距离形成在所述下基板的内表面处; 以及第三驱动电极和第四驱动电极，两者均沿与第一方向基本垂直的第二方向平行延伸，并且均以选定的距离形成在上基板的内表面，其中液晶分子的长轴为 在电极之间没有电场的情况下垂直于基板布置，并且在存在电场的情况下，液晶分子的长轴相对于电场的中心倾斜，使得液体的长轴 晶体分子平行于电场布置，其中单元间隙小于第一电极和第二电极之间以及第三电极和第四电极之间的距离，并且其中等效电压施加到第一和第三电极 电极，然而施加到第二和第四电极的电压具有与电压的电压差 施加到第一电极。