Lg Display Co., Ltd.

Lg Philips Lcd Co., Inc.

Lg.philips Co., Ltd.

Lg. Philips Lcd., Ltd.

Jong-Hwae Lee

Woong-Kwon Kim

Youn-Gyoung Chang

Seung-Ryull Park

Ki-Bok Park

Ku-Hyun Park

Jong-Hoon Woo

Dong-Guk Kim

Sang-Ho Choi

Se-June Kim

Jae-Hyung Lim

A method of fabricating a transflective type liquid crystal display device includes: forming gate and data lines with a gate insulating layer therebetween on a substrate and crossing each other to define a pixel region that includes a switching region, a reflective region, and a transmissive region; forming a thin film transistor corresponding to the switching region and connected to the gate and data lines; forming a first passivation layer on the thin film transistor; forming a reflective plate on the first passivation layer in the reflective region; forming a second passivation layer on the reflective plate; forming a pixel electrode on the second passivation layer and connected to a drain electrode of the thin film transistor; forming a third passivation layer on the pixel electrode.

Method of fabricating liquid crystal display device

An electrostatic preventing device for light emitting diodes (LED), operative to backlight a liquid crystal display (LCD) device is disclosed. The device includes RGB assemblies installed on a flexible circuit board, and an electrostatic preventing circuit separately installed on the flexible circuit board. The device is adapted to protect RGB LED chips inside each RGB package for backlight, mounted in the RGB assemblies, from static electricity.

Electrostatic discharge preventing apparatus for light emitting diodes for backlighting

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 liquid crystal display includes: first and second substrates with a transmissive region and a reflective region defined thereon; a reflection layer formed at the reflective region of the first substrate; a liquid crystal layer formed between the first and second substrates; a common electrode formed on the second substrate; an alignment layer formed on the second substrate and rubbed in one direction; a pixel electrode formed on the first substrate to form an electric field together with the common electrode to drive the liquid crystal layer, and having at least one electric field controller to control the direction of the electric field; and a vertical alignment layer formed on the first substrate.

Semi-transmissive vertical alignment liquid crystal display device

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

An array substrate device includes a gate line formed on a substrate extending along a first direction having a gate electrode, a data line formed on the substrate extending along a second direction having a data pad disposed apart from a first end of the data line, the data and gate lines defining a pixel region, a gate pad formed on the substrate disposed apart from a first end of the gate line, a thin film transistor formed at a crossing region of the gate and data lines and including the gate electrode, a semiconductor layer, a source electrode, and a drain electrode, a black matrix overlapping the thin film transistor, the gate line, and the data line except for a first portion of the drain electrode, a first pixel electrode at the pixel region contacting the first portion of the drain electrode and the substrate, a color filter on the first pixel electrode at the pixel region, and a second pixel electrode on the color filter contacting the first pixel electrode.

Array substrate having color filter on thin film transistor structure for LCD device and method of fabricating the same

A semi-transmission LCD device capable of enhancing a reflection efficiency by introducing external light to a reflection portion on an array substrate of a thin film transistor forming an overcoating layer having concave portions on a color filter substrate, and capable of enhancing a transmission efficiency of light incident from a backlight, and a fabricating method thereof. The semi-transmission LCD device comprises: a first substrate; a second substrate; black matrixes formed on the second substrate with a predetermined gap therebetween; a color filter formed between the black matrixes; a common electrode formed on the color filter; an overcoat layer, having concave portions, formed on the common electrode; and an LC layer formed between the first substrate and the second substrate.

Semi-transmission liquid crystal display device and fabricating method thereof

Array substrate having color filter on the film transistor structure for LCD device and method of fabricating the same

A liquid crystal display device includes: a plurality of gate lines and a plurality of data lines crossing the plurality of gate lines that define the plurality of pixel regions that define a plurality of pixel regions on a first substrate; a plurality of thin film transistors each residing in a pixel region, wherein the plurality of thin film transistors are symmetrically formed with respect to a central gate line and wherein paired transistors reside on opposite sides of the central gate line; and a black matrix including a first portion overlying the central gate line and the paired transistors, a second portion overlying the plurality of thin film transistors, and an additional part that is integral with the second portion and renders the black matrix symmetrical with respect to the first portion.

Liquid crystal display device and method of fabricating the same

A manufacturing method of a liquid crystal display device includes steps of forming liquid crystal display by patterning the passivation layer and the gate insulating layer by using the black matrix as an etching mask to expose the portion of the drain electrode, the gate pad, and the data pad, forming a first transparent conductive layer on the black matrix, wherein the first transparent conductive layer contacts the portion of the drain electrode, the gate pad, and the data pad, forming a color filter layer on the first transparent conductive layer in the opening, forming a second transparent conductive layer on the color filter layer, the second transparent conductive layer contacting the first transparent conductive layer, and forming a pixel electrode, a gate pad terminal and a data pad terminal by patterning the first and second transparent conductive layers, wherein the pixel electrode is disposed in the pixel area, the gate pad terminal is disposed on the gate pad, and the data pad terminal is disposed on the data pad.

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Seoul, South Korea

Jong-Hwae Lee