Touch screen and display device including the same

1. A display device, comprising:

a display panel; and

a touch screen disposed on the display panel, the touch screen comprising sensor blocks and signal lines,

wherein each of the sensor blocks comprises:

k (k being a natural number of two or more) first sensors arranged along a first direction and electrically connected to each other; and

j (j being a natural number of two or more) sensor groups, each of the j sensor groups disposed adjacent to a corresponding first sensor among the k first sensors and comprising i (i being a natural number of three or more) second sensors arranged along a second direction intersecting the first direction, and

wherein:

the sensor blocks comprise a first sensor block and a second sensor block arranged along the second direction; and

for each m, a corresponding signal line among the signal lines electrically connects an m-th (m being a natural number of one or more and less than i) second sensor among the i second sensors of an n-th (n being a natural number of one or more and less than j) sensor group among the j sensor groups of the first sensor block directly to an i-m+1-th second sensor among the i second sensors of an n-th sensor group among the j sensor groups of the second sensor block.

2. The display device of claim 1 , wherein the touch screen further comprises:

first signal lines respectively connected to the k first sensors of the first sensor block; and

second signal lines respectively connected to the k first sensors of the second sensor block.

3. The display device of claim 2 , wherein the touch screen further comprises:

a first connection line connecting the first signal lines to each other; and

a second connection line connecting the second signal lines to each other.

4. The display device of claim 2 , further comprising:

a flexible circuit board,

wherein the touch screen further comprises:

first pads respectively connected to first ends of the first signal lines; and

second pads respectively connected to second ends of the second signal lines, and

wherein the flexible circuit board comprises:

third pads respectively connected to the first pads;

fourth pads respectively connected to the second pads.

5. The display device of claim 4 , further comprising:

a driving circuit disposed on the flexible circuit board and electrically connected to the third pads and the fourth pads.

6. The display device of claim 2 , wherein the k first sensors, the i second sensors of the j sensor groups, the first signal lines, and the second signal lines are disposed in the same layer as one another.

7. The display device of claim 2 , wherein:

the touch screen further comprises:

a base member; and

an insulating layer disposed on the base member; and

two groups among the k first sensors, the i second sensors of the j sensor groups, and the first signal lines are disposed on a first surface of the base member and the other one group two groups among the k first sensors, the i second sensors of the j sensor groups, and the first signal lines are disposed on a second surface of the insulating layer.

8. The display device of claim 1 , wherein:

the sensor blocks further comprise a third sensor block arranged along the first direction from the first sensor block;

the k first sensors of the first sensor block are electrically connected to each other and the k first sensors of the third sensor block are electrically connected to each other; and

the k first sensors of the first sensor block and the k first sensors of the third sensor block are electrically insulated from each other.

9. The display device of claim 8 , wherein the m-th second sensor among the i second sensors of the n-th sensor group among the j sensor groups of the first sensor block and an m-th second sensor among the i second sensors of an n-th sensor group among the j sensor groups of the third sensor block are electrically connected to each other.

10. The display device of claim 9 , wherein the touch screen further comprises:

a first signal line connected to the m-th second sensor among the i second sensors of the n-th sensor group among the j sensor groups of the first sensor block; and

a second signal line connected to the m-th second sensor among the i second sensors of the n-th sensor group among the j sensor groups of the third sensor block.

11. The display device of claim 10 , further comprising:

a flexible circuit board,

wherein the touch screen further comprises:

a first pad connected to the first signal line; and

a second pad connected to the second signal line, and

wherein the flexible circuit board comprises:

a third pad connected to the first pad; and

a fourth pad connected to the second pad.

12. The display device of claim 1 , wherein the k first sensors and the j sensor groups are in one-to-one correspondence.

13. The display device of claim 1 , wherein:

the sensor blocks further comprise a third sensor block arranged along the second direction from the second sensor block; and

the corresponding signal line among the signal lines electrically connects the i-m+1-th second sensor among the i second sensors of the n-th sensor group among the j sensor groups of the second sensor block directly to an m-th second sensor among the i second sensors of an n-th sensor group among the j sensor groups of the third sensor block.

14. The display device of claim 13 , wherein:

the corresponding signal line comprises a first portion and a second portion spaced apart from the first portion;

the first portion connects the m-th second sensor among the i second sensors of the n-th sensor group among the j sensor groups of the first sensor block directly to the i-m+1-th second sensor among the i second sensors of the n-th sensor group among the j sensor groups of the second sensor block; and

the second portion connects the i-m+1-th second sensor among the i second sensors of the n-th sensor group among the j sensor groups of the second sensor block directly to the m-th second sensor among the i second sensors of the n-th sensor group among the j sensor groups of the third sensor block.

15. The display device of claim 14 , wherein:

the first portion is disposed at one side of the i second sensors of the n-th sensor group among the j sensor groups of the second sensor block; and

the second portion is disposed at another one side of the i second sensors of the n-th sensor group among the j sensor groups of the second sensor block, the one side being different from the another one side.