Lg Display Co., Ltd.

Lg Philips Lcd Co., Inc.

Ki-Bok Park

Won-Ho Lee

Seung-Chul Lee

Sang-Ho Choi

Gue-Tai Lee

Jong-Hwae Lee

Soo-Won Seok

Kyo-Seop Choo

In-Jae Chung

Jong-Jin Park

Ku-Hyun Park

Jong-Hoon Woo

Jong-Won Moon

Joon-Dong Lee

An array substrate for a transflective liquid crystal display device comprising a common electrode over a third passivation layer substantially all over a substrate, the common electrode having first openings and second openings corresponding to a transmissive area and a reflective area, respectively, wherein the first openings are spaced apart from each other and are parallel to a data line, and the second openings are spaced apart from each other and are slant at a predetermined angle with respect to the data line, wherein first ends of the first openings overlap a second gate line, second ends of the first openings overlap the common line, first ends of the second openings overlap the common line, and second ends of the second openings overlap a first gate line.

Array substrate for transflective liquid crystal display device and method of fabricating the same

An in-plane switching mode transflective liquid crystal display device includes: first and second substrates; a gate line and a data line on an inner surface of the first substrate, the gate line and the data line crossing each other to define a pixel region; a common line parallel to the gate line; a thin film transistor connected to the gate and data lines; a first passivation layer over the thin film transistor; a reflecting layer over the first passivation layer; a second passivation layer over the reflecting layer; a pixel electrode over the second passivation layer; a third passivation layer over the pixel electrode; a common electrode over the third passivation layer, the common electrode connected to the common line, the common electrode including a plurality of first openings along a first direction in the transmissive area and a plurality of second openings along a second direction different from the first direction in the reflective area; a color filter layer on an inner surface of the second substrate; and a liquid crystal layer between the first and second substrate.

In-plane switching mode transflective liquid crystal display device and method of fabricating the same

A liquid crystal display device includes a compensation data generating part for converting a source data signal into at least one of a conversion data signal and a compensation data signal; and a backlight unit, including a plurality of light sources, for performing a single irradiation of one of the plurality of light sources to display the conversion data signal and performing a simultaneous irradiation of at least two of the plurality of light sources to display the compensation data signal.

Liquid crystal display device and driving method thereof

A trans-reflective type In-Plane Switching (IPS)-LCD device capable of implementing a single gap and a wide viewing angle, and minimizing an occurrence area of disclination at an interface between a transmission region and a reflection region, and a method for designing the same. First and second alignment layers have characteristics to allow LC in a transmission region can be aligned in the same direction as a transmission axis of a lower polarizer. A third alignment layer is aligned so that the LC in the reflection region can be twisted from a lower side to an upper side with a predetermined twisted angle (&#x3b8;). Here, the twisted angle (&#x3b8;) of the LC in the reflection region, and an angle (&#x3b1;) between an alignment direction of an uppermost LC in the reflection region and the transmission axis of the upper polarizer are set so that optical reflectivity in the reflection region is '0' when the LC is not driven.

Liquid crystal display device and method for designing the same

A liquid crystal display includes a pixel electrode connected with a thin film transistor and including at least one first pixel electrode portion and at least one second pixel electrode portion, a first angle between the first pixel electrode portion and the second pixel electrode portion being greater than 90 degrees, and a common electrode including at least one first common electrode portion and at least one second common electrode portion, a second angle between the first common electrode portion and the second common electrode portion is greater than 90 degrees, wherein the at least one first and second pixel electrode portions, and the at least one first and second common electrode portions define at least one domain.

In-plane switching mode liquid crystal display and fabricating method thereof

An array substrate is provided for an in-plane switching mode liquid crystal display device. The array substrate includes a substrate, a thin film transistor on the substrate, a gate line connected to the transistor, a data line crossing the gate line and connected to the transistor such that the crossed data line and gate line define boundaries of a pixel region, a pixel electrode disposed in the pixel region connected to the transistor, and a common electrode disposed in the pixel region. The pixel electrode has at least one vertical portion and a plurality of horizontal portions, and the common electrode has at least two horizontal portions and a plurality of horizontal portions. The vertical portion of the pixel electrode is between the vertical portions of the common electrode, and the horizontal portions of the common electrode cross the vertical portion of the pixel electrode.

Array substrate for in-plane switching mode liquid crystal display

The present invention provides a transflective liquid crystal display device having at least one switching element having at least a drain electrode, a first passivation layer formed over the switching element with the first passivation layer defining a drain contact hole exposing a first portion the drain electrode, a transparent pixel electrode contacting the drain electrode through the drain contact hole and defining a contact opening that exposes a second portion of the drain electrode, the contact opening being defined in a portion of the transparent pixel electrode in the drain contact hole, and a reflective pixel electrode contacting the transparent pixel electrode in the drain contact hole and contacting the drain electrode through the contact opening.

Array substrate for use in a transflective liquid crystal display device and a method of fabricating the same

A liquid crystal display device includes a plurality of data lines disposed in a first direction on a substrate; a plurality of gate lines disposed in a second direction on the substrate, a plurality of pixels defined by intersections of the gate and data lines in a matrix; a plurality of control lines disposed parallel to the gate lines; a controlling unit supplying a control signal to the control lines; first switching elements disposed in the pixels and electrically connected to the data and gate lines; a plurality of latching units disposed in the pixels to latch image information supplied from the data lines through the first switching elements; and second switching elements provided in the pixels and electrically connected to the control lines and latching units, the second switching elements supplying the image information of the latching units to the pixels when the control lines supplies the control signal.

Liquid crystal display device and method of driving the same

An in-plane switching mode LCD device includes first and second substrates, a gate line and a data line arranged horizontally and vertically on the first substrate and defining a pixel, a switching device at each crossing of the gate line and the data line, a first common electrode having a first grid structure disposed in the pixel, a first pixel electrode having a second grid structure disposed in the pixel, a first region in the pixel region defined by first sides of the first grid and second sides of the second grid, a second common electrode connecting the first sides and a second pixel electrode connecting the second sides and defining a second region in the first region, a first alignment film and a second alignment film at facing surfaces of the first and second substrate, and a liquid crystal layer between the first and the second substrates.

In-plane switching mode liquid crystal display device

An in-plane switching mode LCD device includes a first substrate; one or more gate line on the first substrate; one or more data line crossing perpendicularly the one or more data line to define a pixel region; a common electrode module disposed in the pixel region; a pixel electrode module disposed in the pixel region, overlapping the common electrode module; a second substrate facing the first substrate; a first alignment film and a second alignment film disposed at facing surfaces of the first and second substrates, respectively; and a liquid crystal layer between the first alignment film and the second alignment film. The common electrode module includes a plurality of common electrodes and a plurality of protruded common electrodes. The pixel electrode module includes a plurality of pixel electrodes and a plurality of protruded pixel electrodes.

In-plane switching mode liquid crystal device with the common electrode auxiliary line not generating an electric field for driving liquid crystal in the sub-pixel regions

A liquid crystal display device includes a substrate, a black matrix layer on the substrate and having a first plurality of openings, a color filter layer on the black matrix layer and having a second plurality of openings, and a plurality of column spacers each contacting the substrate through the first plurality and second plurality of openings.

Liquid crystal display device and method of fabricating the same

An IPS mode liquid crystal display device includes a first set of pixels of different colors, each of the pixels having a data line along a side thereof and a gate line along a side thereof, wherein one of the pixels is a white (W) pixel; a second set of pixels of different colors, each of the pixels having a data line along a side thereof and a gate line along a side thereof, wherein one of the pixels is a white (W) pixel; wherein the first set of pixels and the second set of pixels is adjacent to each other. In another embodiment, the IPS LCD includes a plurality of R (Red), G (Green), B (Blue) and W (White) pixels defined by a plurality of gate lines and a plurality of data lines; a driving element in the pixel; and at least one pair of electrodes disposed in the pixel to form a horizontal electric field, wherein the R, G, B, and W pixels are arranged in a zigzag pattern in a data line direction, and each of R, G, B, and W pixels is arranged to be symmetric with respect to the gate line to adjacent R, G, B, and W pixels.

In plane switching mode liquid crystal display device having 4-pixel structure

An array substrate for an in-plane switching liquid crystal display device includes a substrate, a gate line and a data line crossing each other to define a pixel region on the substrate, a thin film transistor being electrically connected to the gate and data lines, a common line parallel to the gate line, a plurality of common electrodes being perpendicularly connected to the common line, and a plurality of pixel electrodes alternating with the plurality of common electrodes, wherein each common electrode has at least one first incline plane.

Array substrate for in-plane switching liquid crystal display device and manufacturing method of the same

An in-plane switching mode LCD device includes a first substrate, a gate line and a data arranged perpendicularly on the first substrate to define a pixel region, a pixel electrode module overlapping the common electrode module in the pixel region. The common electrode module includes a plurality of common electrodes arranged parallel to the gate line. The pixel electrode module includes a plurality of pixel electrodes arranged parallel to the one or more data line, and an upper pixel electrode auxiliary line disposed at an upper end of the pixel region and connecting the pixel electrodes, the plurality of pixel electrodes crossing the plurality of common electrodes to define a plurality of sub-pixel regions.

Growing community of inventors

Gyeonggi-do, South Korea

Ki-Bok Park