Reflective and transflective liquid crystal display devices and a fabricating method thereof
View Patent ↗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.
1. A fabricating method of a transflective liquid crystal display device, comprising:
forming a common electrode on a first substrate;
forming a gate line on a second substrate having a display region and a boundary region;
forming a first insulating layer on the gate line;
forming a data line on the first insulating layer, the data line crossing the gate line and defining a pixel region with the gate line;
forming a thin film transistor connected to the gate line and the data line;
forming a second insulating layer on the thin film transistor;
forming a reflective plate on the second insulating layer at the display region, the reflective plate being extended to the boundary region and having
a transmission hole at the pixel region;
forming a third insulating layer on the reflective plate;
forming a pixel electrode on the third insulating layer at the pixel region, the pixel electrode being connected to the thin film transistor;
forming a sealant over the reflective plate at the boundary region;
dispensing liquid crystal molecules interiorly of the sealant;
attaching the first and second substrates; and
hardening the sealant with irradiating light.
2. The method according to claim 1 , further comprising forming a color filter layer between the first substrate and the common electrode.
3. A fabricating method of a reflective liquid crystal display device, comprising:
forming a common electrode on a first substrate;
forming a gate line on a second substrate having a display region and a boundary region;
forming a first insulating layer on the gate line;
forming a data line on the first insulating layer, the data line crossing the gate line and defining a pixel region with the gate line;
forming a thin film transistor connected to the gate line and the data line;
forming a second insulating layer on the thin film transistor;
forming a reflective plate on the second insulating layer at the display region, the reflective plate being extended to the boundary region and having an open portion over the thin film transistor;
forming a third insulating layer on the reflective plate;
forming a pixel electrode on the third insulating layer at the pixel region, the pixel electrode being connected to the thin film transistor through the open portion;
forming a sealant over the reflective plate at the boundary region;
dispensing liquid crystal molecules interiorly of the sealant;
attaching the first and second substrates; and
hardening the sealant with irradiating light.
4. The method according to claim 3 , further comprising forming a color filter layer between the first substrate and the common electrode.