Lg Display Co., Ltd.

Lg Philips Lcd Co., Inc.

Hyun-Suk Jin

Hyung-Seok Jang

Joon-Kyu Park

Woo-Nam Jeong

Won-Seok Kang

Su-Seok Choi

Deuk-Su Lee

Yong-jin Cho

In-Jae Chung

Mi-Kyung Lee

Kyoung-Ho Park

Jong-Suk Shin

In-Jue Kim

A liquid crystal display panel and a liquid crystal display (LCD) device are discussed. One monochromatic light is transmitted through a liquid crystal layer and converted into white light having a plurality of wavelengths through upper photo conversion layer, thus improving light transmittance of liquid crystal and reducing a change in a screen color. The liquid crystal display panel includes: first substrate over the backlight unit; a liquid crystal layer over the first substrate to transmit the one monochromatic light; a photo conversion layer over the liquid crystal layer for converting the one monochromatic light into white light; a color filter layer over the photo conversion layer for filtering the converted white light to display color; and a second substrate on the color filter layer.

Liquid crystal display panel including photo conversion layer and liquid crystal display device

A display device includes a display cell having a plurality of sub-pixels to make a single image or dual images, and a control cell for passing through the single image, and guiding a first image of the dual images toward a first direction and a second image of the dual images toward a second direction different from the first direction.

Display device displaying single or dual images and method of driving the same

A liquid crystal display device includes first and second substrates facing each other, a layer of liquid crystal molecules interposed between the first and second substrates, a plurality of color displaying sub-pixels including first, second and third sub-pixels defined on the first and second substrates, first common electrodes in the first, second and third sub-pixels on the first substrate, first pixel electrodes in the first, second and third sub-pixels on the first substrate and alternately arranged with the first common electrodes, color filter layers in the first, second and third sub-pixels on the second substrate, a plurality of viewing angle restricting sub-pixels including fourth, fifth and sixth sub-pixels defined on the first and second substrates, the fourth, fifth and sixth sub-pixels corresponding one-to-one with the first, second and third sub-pixels, second pixel electrodes in the fourth, fifth and sixth sub-pixels on the first substrate, and second common electrodes in the fourth, fifth and sixth sub-pixels on the second substrate.

Liquid crystal display device and method of driving the same

A liquid crystal display device includes first and second substrates facing and spaced apart from each other, each of the first and second substrates having a first sub-pixel region, a second sub-pixel region, a third sub-pixel region, a fourth sub-pixel region and a fifth sub-pixel region for adjusting a viewing angle, the first, second, third and fourth sub-pixel regions surrounding the fifth sub-pixel region; a liquid crystal layer between the first and second substrates; a plurality of first pixel electrodes in each of the first, second, third and fourth sub-pixel regions on the first substrate; a plurality of first common electrodes in each of the first, second, third and fourth sub-pixel regions on the first substrate, the plurality of first common electrodes alternating with the plurality of first pixel electrodes; a second pixel electrode in the fifth sub-pixel region on the first substrate; and a second common electrode in the fifth sub-pixel region on the second substrate, the second common electrode facing the second pixel electrode.

A liquid crystal display device includes first and second substrates facing and spaced apart from each other; a gate line on an inner surface of the first substrate; a data line crossing the gate line to define a plurality of first sub-pixel regions for displaying color, and a second sub-pixel region for adjusting a viewing angle; a thin film transistor connected to the data line and the gate line; a plurality of first pixel electrodes in each of the plurality of first sub-pixel regions; a plurality of first common electrodes alternating with the plurality of first pixel electrodes in each of the plurality of first sub-pixel regions; a second pixel electrode in the second sub-pixel region; a second common electrode in the second sub-pixel region, the second common electrode facing the second pixel electrode; and a liquid crystal layer between the first and second substrates, wherein a first common voltage is applied to the plurality of first common electrodes, and a second common voltage different from the first common voltage is applied to the second common electrode.

A liquid crystal display device including a main cell comprising a first substrate having a gate line, a data line, a thin film transistor and a pixel electrode; a second substrate facing the first substrate and having a black matrix and a color filter layer; and a first liquid crystal layer between the first and second substrates; and a switching cell over the main cell, the switching cell comprising a third substrate having a plurality of first electrodes; a fourth substrate facing the third substrate and having a second electrode; and a second liquid crystal layer between the third and fourth substrates.

An array substrate of a reflective liquid crystal display device including gate and data lines on the substrate, a thin film transistor adjacent to where a gate line and a data line cross over each other, wherein the thin film transistor has a gate electrode, a source electrode and a drain electrode, a passivation layer with an uneven surface having curved profiles that are asymmetric over the thin film transistor, and an opaque conductive pixel electrode having a reflective surface with curved profiles that are asymmetric on the passivation layer.

Array substrate for a reflective liquid crystal display device with asymmetric curved profiles and manufacturing method for the same

A liquid crystal display device includes a first substrate; a second substrate facing the first substrate; a liquid crystal layer interposed between the first and second substrates; first, second, third, and fourth sub-pixels defined on the first and second substrates; a first electric field distorting pattern on the first, second and third sub-pixels on the first substrate; a second electric field distorting pattern on the first, second and third sub-pixels on the second substrate; a third electric field distorting pattern on the fourth sub-pixel on the first substrate; and a fourth electric field distorting pattern on the fourth sub-pixel on the second substrate, wherein the first and second electric field distorting patterns are parallel to each other, and wherein the third and fourth electric field distorting patterns are parallel to each other at an angle that is different than that of the first and second distorting patterns.

Liquid crystal display device

Array substrate for a reflective liquid crystal display device and manufacturing method for the same

A liquid crystal display (LCD) device for switching a display mode between a wide viewing angle and a narrow viewing angle includes an LCD panel including an array substrate, a color filter substrate, and a liquid crystal layer formed between inner surfaces of the array substrate and the color filter substrate, and a viewing angle control cell adjacent to the LCD panel, the viewing angle control cell including a lower substrate on which a first electrode is formed, an upper substrate on which a second electrode is formed, and a dichroic liquid crystal layer interposed between the upper substrate and the lower substrate.

LCD device for switching display mode between wide viewing angle and narrow viewing angle and method employing control cell for controlling tilt angle of molecules of dichroic liquid crystal layer therein

A liquid crystal display (LCD) device for switching a display mode between wide and narrow viewing angle, and a method for fabricating the same, is presented. The LCD device has an LCD panel and a viewing angle control cell. The LCD panel has array and color filter substrates and a liquid crystal layer formed between the substrates. The viewing angle control cell contains a lower substrate that contacts the LCD panel and has a first electrode, an upper substrate having a second electrode, and a ferroelectric liquid crystal layer between the upper and lower substrates. The viewing angle control cell switches the LCD device between wide and narrow viewing angle modes when driven.

Liquid crystal display device for switching display mode between wide viewing angle and narrow viewing angle and method for fabricating the same

An array substrate for a liquid crystal display device includes: a substrate; a gate line on the substrate; a data line crossing the gate line to define a pixel region including a transmissive portion and a reflective portion, the data line being divided into first and second branch lines, the first and second branch lines being spaced apart from each other and disposed in the reflective portion of the adjacent pixel regions, respectively; a thin film transistor connected to the gate line and the data line; a reflective electrode corresponding to the reflective portion and covering the first and second branch lines; and a transparent electrode corresponding to the transmissive portion and connected to the reflective electrode.

Liquid crystal display device and method of fabricating the same

A liquid crystal display (LCD) device is switchable between a wide viewing angle display mode and a narrow viewing angle display mode. The LCD device includes and LCD panel having an array substrate, a color filter substrate, and a liquid crystal layer disposed between the array substrate and the color filter substrate and a viewing angle control cell disposed adjacent to the LCD panel. The viewing angle control cell has first and second substrates, first and second electrodes disposed between the first and second substrates, an insulating layer disposed between the first and second electrodes, and a sheet layer having pigments disposed between the first and second substrates.

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Gyeonggi-do, South Korea

Hyun-Suk Jin