Lg Philips Lcd Co., Inc.

Hong-Jin Kim

Joo-Soo Lim

An array substrate for a transflective liquid crystal display device which includes a substrate having a display region and a boundary region; a gate line disposed on the substrate; a first insulating layer disposed on the gate line; a data line disposed on the first insulating layer, the data line crossing the gate line and defining a pixel region with the gate line; a thin film transistor connected to the gate line and the data line; a second insulating layer disposed on the thin film transistor; a reflective plate disposed on the second insulating layer at the display region, the reflective plate being extended to the boundary region and having a transmission hole in the pixel region; a third insulating layer disposed on the reflective plate; and a pixel electrode disposed on the third insulating layer at the pixel region, the pixel electrode being connected to the thin film transistor.

Reflective and transflective liquid crystal display devices and a fabricating method thereof

An array substrate for a transflective liquid crystal display device includes: a gate line on a substrate; a data line crossing the gate line, the gate line and the data line defining a pixel region having a transmissive portion and a reflective portion; a gate electrode connected to the gate line; source and drain electrode spaced apart from each other over the gate electrode, the source and drain electrode being spaced apart from each other, the source electrode being connected to the data line; a reflective layer having the same layer as the source and drain electrodes, the reflective layer being disposed in the pixel region and having a transmissive hole corresponding to the transmissive portion; and a pixel electrode connected to the drain electrode, the pixel electrode being disposed in the pixel region, wherein the source and drain electrodes and the reflective layer have multiple layers of metal, wherein a top layer of the multiple layers includes a reflective metallic material.

Transflective liquid crystal display device having a reflective layer at the same layer as source and drain electrodes

Transflective liquid crystal display device and fabricating method thereof

An array substrate for a liquid crystal display device, the array substrate including a substrate, a gate line including a gate electrode disposed upon the substrate, a data line disposed upon the substrate and formed orthogonal to the gate line, a barrier disposed upon the substrate and spaced apart from the gate electrode and the data line, a gate insulating layer disposed upon the substrate to cover the gate line, the gate electrode, and the barrier, an active layer disposed upon the gate insulating layer and over the gate electrode, a source electrode disposed upon the active layer, a drain electrode having a first portion disposed upon the active layer opposite to the source electrode, and a second portion disposed upon the insulating layer to cross over the barrier, a pixel region defined by a cross of the gate line and the data line, and a pixel electrode electrically connected to the second portion of the drain electrode.

Growing community of inventors

Gumi-si, South Korea

Hong-Jin Kim