LIQUID CRYSTAL DISPLAY DEVICE
First Claim
1. A liquid crystal display device comprising:
- a first substrate and a second substrate formed to face each other;
a plurality of gate lines and data lines formed to cross each other on the first substrate to define pixel regions;
a pixel transistor formed on each of crossed portions of the gate lines and data lines data and a pixel electrode formed at each of the pixel regions;
a common electrode formed on an entire surface of the second substrate;
a liquid crystal layer filled between the first and second substrates;
a liquid crystal capacitor formed between the pixel electrode and the common electrode;
a storage line formed on the first substrate;
a switching line formed in parallel to the gate line;
a read out line parallel to the data line;
a first storage capacitor formed between the storage line and the pixel transistor;
a second storage capacitor and a sensing capacitor formed in series between the switching line and the common electrode; and
a switching transistor having a gate electrode connected to a contact point of the second storage capacitor and the sensing capacitor, and a drain electrode connected to the read out line.
1 Assignment
0 Petitions
Accused Products
Abstract
Disclosed is a liquid crystal display device which can sense a change of static capacitance of liquid crystals caused by a touch to detect the touch and a position of the touch, the liquid crystal display device includes, a pixel transistor on each of crossed portions of gate lines and data lines and a pixel electrode at each of the pixel regions, a liquid crystal capacitor between the pixel electrode and a common electrode, a storage line formed on the first substrate, a switching line formed in parallel to the gate line, a read out line parallel to the data line, a first storage capacitor between the storage line and the pixel transistor, a second storage capacitor and a sensing capacitor in series between the switching line and the common electrode, a switching transistor having a gate electrode connected to a contact point of the second storage capacitor and the sensing capacitor, and a drain electrode connected to the read out line.
18 Citations
10 Claims
-
1. A liquid crystal display device comprising:
-
a first substrate and a second substrate formed to face each other; a plurality of gate lines and data lines formed to cross each other on the first substrate to define pixel regions; a pixel transistor formed on each of crossed portions of the gate lines and data lines data and a pixel electrode formed at each of the pixel regions; a common electrode formed on an entire surface of the second substrate; a liquid crystal layer filled between the first and second substrates; a liquid crystal capacitor formed between the pixel electrode and the common electrode; a storage line formed on the first substrate; a switching line formed in parallel to the gate line; a read out line parallel to the data line; a first storage capacitor formed between the storage line and the pixel transistor; a second storage capacitor and a sensing capacitor formed in series between the switching line and the common electrode; and a switching transistor having a gate electrode connected to a contact point of the second storage capacitor and the sensing capacitor, and a drain electrode connected to the read out line. - View Dependent Claims (2, 3, 4, 5, 6)
-
-
7. A liquid crystal display device comprising:
-
a first substrate and a second substrate formed to face each other; a plurality of gate lines and data lines formed to cross each other on the first substrate to define pixel regions; a pixel transistor formed on each of crossed portions of the gate lines and data lines and a pixel electrode formed at each of the pixel regions; a common electrode formed on an entire surface of the second substrate; a liquid crystal layer filled between the first and second substrates; a liquid crystal capacitor formed between the pixel electrode and the common electrode; a storage line formed on the first substrate; a read out line parallel to the data line; a first storage capacitor formed between the storage line and the pixel transistor; a second storage capacitor and a sensing capacitor formed in series between the gate line and the common electrode; and a switching transistor having a gate electrode connected to a contact point of the second storage capacitor and the sensing capacitor, and a drain electrode connected to the read out line. - View Dependent Claims (8, 9, 10)
-
Specification