US 12,078,900 B2
Display device
Gen Koide, Tokyo (JP)
Assigned to Japan Display Inc., Tokyo (JP)
Filed by Japan Display Inc., Tokyo (JP)
Filed on Jul. 7, 2023, as Appl. No. 18/348,616.
Application 18/348,616 is a continuation of application No. PCT/JP2021/046791, filed on Dec. 17, 2021.
Claims priority of application No. 2021-001468 (JP), filed on Jan. 7, 2021.
Prior Publication US 2023/0350252 A1, Nov. 2, 2023
Int. Cl. G02F 1/1362 (2006.01); G02F 1/1368 (2006.01)
CPC G02F 1/136286 (2013.01) [G02F 1/1368 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A display device comprising:
a display area and a frame area surrounding the display area, which are provided on a first base;
a plurality of sub-pixels provided in the display area;
a plurality of scanning lines provided in the display area, connected to the plurality of sub-pixels, and formed by a first wiring layer;
a plurality of signal lines provided in the display area, connected to the plurality of sub-pixels, and formed by a second wiring layer;
a switch circuit provided in the frame area and connected to the plurality of signal lines;
a plurality of sensor electrodes provided in the display area;
a plurality of detection lines connected to the plurality of sensor electrodes and formed by a third wiring layer, and
a lead line provided in the frame area and connected to the switch circuit, wherein
the plurality of signal lines each includes a first portion and a second portion in the frame area,
the second portion of the signal line is provided between the display area and the switch circuit, and drawn from the switch circuit toward the display area,
the first portion of the signal line is formed by the second wiring layer, provided between the second portion and the display area, and connected to the second portion,
the second portion of the signal line and each of the plurality of detection lines are formed by the third wiring layer,
the second portions of the plurality of signal lines and the plurality of detection lines are provided substantially parallel to each other,
the lead line includes a third portion and a fourth portion,
the third portion of the lead line is formed by the second wiring layer,
the fourth portion of the lead line is formed by the first wiring layer,
the fourth portion is located between the third portion and the switch circuit,
the switch circuit is located between the second portion and the fourth portion, and
the third portion is connected to the fourth portion.