Transflective liquid crystal display device with transmissive portion having right-angled triangle shape and fabricating method thereof
A transflective 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 pixel region including a reflective portion and a transmissive portion, wherein the transmissive portion has a polygonal shape inscribed in a rectangle, and a circumference of the transmissive portion is less than the circumference of the rectangle; a thin film transistor connected to the gate line and the data line; a passivation layer on the thin film transistor, the passivation layer having a opening corresponding to the transmissive portion; a reflective layer corresponding to the reflective portion on the passivation layer; a transparent electrode corresponding to the pixel region over the reflective layer; a color filter layer on an inner surface of the second substrate; a common electrode on the color filter layer; and a liquid crystal layer between the common electrode and the transparent electrode.
1. A transflective liquid crystal display device, comprising:
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 pixel region including a reflective portion and a transmissive portion;
a thin film transistor connected to the gate line and the data line;
a passivation layer on the thin film transistor, the passivation layer having a opening corresponding to the transmissive portion;
a reflective layer corresponding to the reflective portion on the passivation layer;
a transparent electrode corresponding to the pixel region over the reflective layer;
a color filter layer on an inner surface of the second substrate;
a common electrode on the color filter layer; and
a liquid crystal layer between the common electrode and the transparent electrode wherein the transmissive portion has a right-angled triangular shape.
2. The device according to claim 1 , wherein the thin film transistor includes a gate electrode connected to the gate line, an active layer, a source electrode connected to the data line and a drain electrode connected to the transparent electrode.
3. The device according to claim 1 , wherein the thickness of the liquid crystal layer in the reflective portion versus the transmissive portion has a ratio of about 1:2.
4. A transflective liquid crystal display device, comprising:
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 pixel region including a reflective portion and a transmissive portion;
a thin film transistor connected to the gate line and the data line;
a passivation layer on the thin film transistor;
a reflective layer corresponding to the reflective portion on the passivation layer;
a transparent electrode corresponding to the pixel region over the reflective layer;
a buffer layer corresponding to the reflective portion on an inner surface of the second substrate;
a color filter layer on the buffer layer;
a common electrode on the color filter layer; and
a liquid crystal layer between the common electrode and the transparent electrode, wherein the transmissive portion has a right-angled triangular shape.
5. The device according to claim 4 , wherein the thin film transistor includes a gate electrode connected to the gate line, an active layer, a source electrode connected to the data line and a drain electrode connected to the transparent electrode.
6. The device according to claim 4 , wherein the thickness of the liquid crystal layer in the reflective portion versus the transmissive portion has a ratio of about 1:2.
7. The device according to claim 4 , wherein the thickness of the color filter layer in the reflective portion versus the transmissive portion has a ratio of about 1:2.