US 11,989,380 B2
Sensor module and display device including the sensor module
Takayuki Nakanishi, Tokyo (JP)
Assigned to Japan Display Inc., Tokyo (JP)
Filed by Japan Display Inc., Tokyo (JP)
Filed on Aug. 10, 2022, as Appl. No. 17/884,804.
Claims priority of application No. 2021-144000 (JP), filed on Sep. 3, 2021.
Prior Publication US 2023/0072599 A1, Mar. 9, 2023
Int. Cl. G06F 3/044 (2006.01)
CPC G06F 3/0446 (2019.05) 13 Claims
OG exemplary drawing
 
7. A sensor module comprising:
a sensor substrate having a sensor region and a sensor frame region surrounding the sensor region;
a plurality of sensor electrodes located over the sensor region and arranged in a matrix form having a plurality of rows and a plurality of columns;
a plurality of sensor wirings respectively corresponding to the plurality of sensor electrodes, electrically connected to the corresponding sensor electrodes respectively, and each having a terminal over the sensor frame region; and
a plurality of shield wirings extending from the sensor frame region to the sensor region,
wherein the plurality of terminals is arranged along a side of the sensor region,
at least one of the sensor electrodes in each column has at least one cutoff in the sensor region, the at least one cutoff having a concave shape that is an open shape,
each of the plurality of shield wirings is spaced away from the plurality of sensor electrodes,
the plurality of shield wirings and at least some columns of the plurality of columns of the sensor electrodes are alternately arranged,
the plurality of sensor electrodes and the plurality of shield wirings are configured to be applied with a pulse alternating voltage of a same phase, and
all of the plurality of sensor electrodes exist in the same layer.