Touch screen and display device including the same

1. A display device, comprising:

a display panel configured to generate an image; 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,

wherein some of the k first sensors and the i second sensors are configured to receive first signals,

wherein some of the k first sensors and the i second sensors are configured to transmit second signals different from the first signals, 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 the 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 , wherein the touch screen further comprises:

a third signal line electrically connecting the m-th second sensor of the n-th sensor group of the first sensor block with the i−m+1-th second sensor of the n-th sensor group of the second sensor block.

5. The display device of claim 4 , 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.

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

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

7. The display device of claim 6 , wherein the flexible circuit board further comprises:

first connection lines respectively connected to the third pads;

a second connection line connecting the first connection lines to each other;

a third connection line connecting the second connection line with the driving circuit;

fourth connection lines connected to the fourth pads;

a fifth connection line connecting the fourth connection lines to each other; and

a sixth connection line connecting the fifth connection line with the driving circuit.

8. The display device of claim 6 , wherein the driving circuit comprises:

a scan driving circuit configured to provide the first signals; and

a touch detection circuit configured to calculate coordinate information of a point input from the second signals.

9. The display device of claim 8 , wherein the first signals comprise different information from each other.

10. The display device of claim 8 , wherein the second signals comprise:

capacitive coupling information between one first sensor among the k first sensors and one second sensor among the i second sensors of a sensor group disposed adjacent to the one first sensor among the j sensor groups.

11. The display device of claim 4 , wherein the k first sensors, the i second sensors of the j sensor groups, the first signal lines, the second signal lines, and the third signal line are disposed in the same layer as one another.

12. The display device of claim 4 , wherein the touch screen further comprises:

a base member; and

an insulating layer disposed on the base member,

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

13. The display device of claim 1 , wherein:

the sensor blocks 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.

14. The display device of claim 13 , wherein an m-th (m being natural number of one or more and less than i) second sensor among the i second sensors of a 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 and 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 are electrically connected to each other.

15. The display device of claim 14 , 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.

16. The display device of claim 15 , 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.

17. The display device of claim 16 , wherein the flexible circuit board further comprises:

a first connection line connected to the third pad;

a second signal line connected to the fourth pad; and

a third signal line connecting the first signal line and the second signal line.

18. The display device of claim 13 , wherein the sensor blocks further comprise:

a fourth sensor block disposed adjacent to the second sensor block along the first direction.

19. The display device of claim 18 , wherein:

an m-th (m being a natural number of one or more and less than i) second sensor among the i second sensors of a 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 and 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 are electrically connected to each other; and

the i second sensors of a j-th sensor group among the j sensor groups of the first sensor block and the i second sensors of a j-th sensor group among the j sensor groups of the third sensor block are electrically insulated from each other.

20. The display device of claim 19 , wherein the i second sensors of the j-th sensor group of the first sensor block and the i second sensors of the j-th sensor group of the third sensor block receive different first signals from each other.

21. The display device of claim 19 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 the m-th second sensor among the i second sensors of the n-th sensor group among the j sensor groups of the fourth sensor block are electrically connected to each other.

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

23. The display device of claim 1 , wherein the k first sensors and the i second sensors have a mesh structure.

24. The display device of claim 1 , wherein the touch sensor screen further comprises signal lines connected to the sensor blocks, the signal lines having a mesh structure.

25. A display device, comprising:

a display panel configured to generate an image; and

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

wherein each of the sensor blocks comprises:

k (k being a natural number of three or more) first sensors arranged along a first direction, the k first sensors being arranged in a single line, a first part of the k first sensors being electrically connected to each other, a remaining part of the k first sensors being electrically connected to each other and being electrically insulated from the first part of the k first sensors; and

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

wherein the k first sensors are configured to transmit first signals, and

wherein the sensor groups are configured to receive second signals.

26. The display device of claim 25 , wherein:

the first part of the k first sensors define a first type of sensors;

the remaining part of the k first sensors define a second type of sensors different than the first type of sensors; and

the first type of sensors and the second type of sensors are alternately disposed along the first direction.

27. A touch screen comprising:

signal lines; and

sensor blocks,

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

wherein some of the k first sensors and the i second sensors are configured to receive first signals,

wherein some of the k first sensors and the i second sensors are configured to transmit second signals, 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 the n-th sensor group among the j sensor groups of the second sensor block.