US 12,124,143 B2
Display panel
Hidetoshi Nakagawa, Kameyama (JP); Yoshihisa Takahashi, Kameyama (JP); and Masahiro Matsuda, Kameyama (JP)
Assigned to Sharp Display Technology Corporation, Kameyama (JP)
Filed by Sharp Display Technology Corporation, Kameyama (JP)
Filed on Sep. 27, 2023, as Appl. No. 18/373,896.
Claims priority of application No. 2022-168439 (JP), filed on Oct. 20, 2022.
Prior Publication US 2024/0134238 A1, Apr. 25, 2024
Prior Publication US 2024/0231166 A9, Jul. 11, 2024
Int. Cl. G02F 1/1368 (2006.01); G02F 1/1362 (2006.01); H01L 27/12 (2006.01); G09G 3/36 (2006.01)
CPC G02F 1/1368 (2013.01) [G02F 1/136286 (2013.01); H01L 27/124 (2013.01); G02F 2201/50 (2013.01); G09G 3/3677 (2013.01); G09G 2310/0286 (2013.01); G09G 2330/04 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A display panel comprising:
a plurality of pixels arrayed in a matrix shape including a plurality of pixel rows and a plurality of pixel columns;
a display region defined by the plurality of pixels;
a peripheral region other than the display region;
a gate drive circuit provided in the peripheral region and including a shift register including a plurality of stages respectively associated with the plurality of pixel rows;
a first trunk line provided in the peripheral region and extending in a column direction; and
a second trunk line provided in the peripheral region, extending in the column direction, and positioned on a side of the first trunk line opposite to the display region,
wherein the first trunk line includes, as edges on both sides of the first trunk line in a row direction, a first edge on a first side corresponding to the display region side in the row direction and a second edge on a second side corresponding to a side opposite to the display region in the row direction,
the first trunk line includes a first portion and a second portion, each including the first edge and the second edge,
the first edge of the second portion is closer to the second side in the row direction than the first edge of the first portion,
the first portion is not provided with an element,
the second portion includes a region provided with an element,
the first trunk line supplies a common signal to one or more first type stages included in the plurality of stages of the shift register,
the second trunk line supplies another common signal to one or more second type stages included in the plurality of stages of the shift register,
the second trunk line includes, as edges on both sides of the second trunk line in the row direction, a third edge on the display region side and a fourth edge on the side opposite to the display region,
the second trunk line includes a third portion adjacent to the first portion of the first trunk line in the row direction and including the third edge and the fourth edge, and a fourth portion adjacent to the second portion of the first trunk line in the row direction and including the third edge and the fourth edge,
the third portion includes a region provided with an element,
the fourth portion is not provided with an element,
the first trunk line supplies the common signal to the one or more first type stages via the element provided in the second portion, and
the second trunk line supplies the another common signal to the one or more second type stages via the element provided in the third portion.