Display device
View Patent ↗A display device includes an array substrate, an opposite substrate, a printed circuit board, and a conductive member. The array substrate includes pixel electrodes. The opposite substrate faces the array substrate, is coupled with array substrate, and includes a light blocking layer disposed in a non-pixel area of the array substrate. The printed circuit board includes a ground terminal and output terminals to apply a driving signal to the array substrate through the output terminals. The conductive member electrically connects the light blocking layer to the ground terminal.
1. A display device, comprising:
an array substrate comprising a pixel electrode and a common electrode;
an opposite substrate facing the array substrate and coupled with the array substrate;
a liquid crystal layer interposed between the array substrate and the opposite substrate and comprising a plurality of the liquid crystal molecules, an alignment direction of the liquid crystal molecules is controlled by a horizontal electric field which is formed between the pixel electrode and the common electrode;
a printed circuit board comprising a ground terminal and an output terminal and applying a driving signal to the array substrate through the output terminal; and
a conductive member electrically coupling the light blocking layer to the ground terminal,
wherein the opposite substrate comprises;
a base substrate;
a light blocking layer disposed on a base substrate corresponding to a non-pixel area of the array substrate; and
a rear-surface conductive layer disposed on the base substrate and facing the light blocking layer,
wherein the base substrate is disposed between the light blocking layer and the rear-surface conductive layer, and
wherein the conductive member extends along a side portion of the opposite substrate and contacts a side surface of the light blocking layer and the rear-surface conductive layer.
2. The display device of claim 1 , wherein the light blocking layer comprises a metallic material.
3. The display device of claim 1 , wherein the light blocking layer comprises an organic material.
4. The display device of claim 1 , wherein the array substrate further comprises a pad part comprising an input terminal electrically coupled to the output terminal, and
wherein the conductive member contacts the input terminal, the input terminal being electrically coupled to the ground terminal.
5. The display device of claim 4 , wherein the light blocking layer is exposed to outside.
6. The display device of claim 1 , wherein the side surface of the light blocking layer comprises a non-planar shape in a region contacting the conductive member.
7. The display device of claim 6 , wherein the non-planar shape is plano-convex.
8. The display device of claim 6 , wherein the non-planar shape is undulated shape.
9. The display device of claim 1 , wherein the conductive member extends along a side portion of the opposite substrate and a portion of the conductive member is disposed between the array substrate and the opposite substrate.
10. The display device of claim 1 , wherein the conductive member comprises conductive particles.
11. The display device of claim 10 , wherein the conductive particles comprise silver (Ag).
12. The display device of claim 1 , wherein the array substrate further comprises:
thin film transistors respectively electrically connected to the pixel electrodes;
a first insulating layer disposed on and covering the common electrode; and
a second insulating layer disposed on and covering the thin film transistors, the common electrode disposed on the second insulating layer, and the pixel electrodes disposed on the first insulating layer.
13. The display device of claim 10 , wherein a slit is disposed in each of the pixel electrodes.
14. The display device of claim 1 , wherein the light blocking layer directly contacts the liquid crystal layer.