US-20260128006-A1 - DISPLAY PANEL AND DISPLAY DEVICE

US20260128006A1US 20260128006 A1US20260128006 A1US 20260128006A1US-20260128006-A1

Abstract

A display panel and a display device are provided. The display panel includes: display panel includes: multiple circuit setting regions and multiple light-transmitting regions. The display panel further includes a pixel circuit group located in the circuit setting region, where the pixel circuit group includes at least two pixel circuits, where the at least two pixel circuits include a first pixel circuit and a second pixel circuit, where the first pixel circuit is located on a side of the second pixel circuit close to the light-transmitting region in a first direction. The pixel circuit includes a light-emitting control transistor and an anode reset transistor, the first pixel circuit includes a first light-emitting control transistor and a first anode reset transistor, and the second pixel circuit includes a second light-emitting control transistor.

Inventors

Mengmeng Xie
Yuqi Hu

Assignees

TIANMA ADVANCED DISPLAY TECHNOLOGY INSTITUTE (XIAMEN) CO., LTD.

Dates

Publication Date: 20260507
Application Date: 20251231
Priority Date: 20250624

Claims (20)

1 . A display panel, comprising: a plurality of circuit setting regions and a plurality of light-transmitting regions, wherein a circuit setting region of the plurality of circuit setting regions partially surrounds a light-transmitting region of the plurality of light-transmitting regions; the display panel further comprises a pixel circuit group located in the circuit setting region, wherein the pixel circuit group comprises at least two pixel circuits, wherein the at least two pixel circuits comprise a first pixel circuit and a second pixel circuit, wherein the first pixel circuit is located on a side of the second pixel circuit close to the light-transmitting region in a first direction; a pixel circuit of at least two pixel circuits comprises a light-emitting control transistor and an anode reset transistor, the first pixel circuit comprises a first light-emitting control transistor and a first anode reset transistor, and the second pixel circuit comprises a second light-emitting control transistor; and in a same pixel circuit group, a first anode reset transistor is located on a side of the first light-emitting control transistor close to the second light-emitting control transistor in the first direction.
2 . The display panel according to claim 1 , wherein the first anode reset transistor does not overlap the first light-emitting control transistor in a second direction, and the second direction intersects the first direction.
3 . The display panel according to claim 1 , wherein in a same pixel circuit group, the first anode reset transistor overlaps the second light-emitting control transistor in a second direction, and the second direction intersects the first direction.
4 . The display panel according to claim 1 , wherein the at least two pixel circuits further comprise a third pixel circuit, and the first pixel circuit, the second pixel circuit and the third pixel circuit are arranged in the first direction; the third pixel circuit comprises a third light-emitting control transistor and a third anode reset transistor; and in a same pixel circuit group, the third anode reset transistor is located on a side of the third light-emitting control transistor close to the second light-emitting control transistor in the first direction.
5 . The display panel according to claim 1 , wherein the second pixel circuit further comprises a second anode reset transistor; the display panel further comprises a reset signal line, the reset signal line comprises a first reset sub-portion, at least part of the first reset sub-portion extends in a second direction, and the second direction intersects the first direction; and the first anode reset transistor and the second anode reset transistor in a same pixel circuit group are electrically connected to a same first reset sub-portion.
6 . The display panel according to claim 5 , further comprising an anode reset connection portion, wherein a same anode reset connection portion is electrically connected to the first anode reset transistor through a first connection via, is electrically connected to the second anode reset transistor through a second connection via, and is electrically connected to the first reset sub-portion through a connection via.
7 . The display panel according to claim 5 , wherein the reset signal line further comprises a second reset sub-portion, the second reset sub-portion is arranged in a different layer from the first reset sub-portion and is electrically connected to the first reset sub-portion; the pixel circuit comprises an initialization transistor, the first pixel circuit further comprises a first initialization transistor, and the second pixel circuit further comprises a second initialization transistor; and the first initialization transistor is electrically connected to the second reset sub-portion, and the second initialization transistor is electrically connected to the first reset sub-portion.
8 . The display panel according to claim 1 , further comprising a plurality of data signal line groups, wherein a data signal line group of the plurality of data signal line groups comprises a first data signal line and a second data signal line, the first data signal line is electrically connected to the first pixel circuit, and the second data signal line is electrically connected to the second pixel circuit; the first data signal line comprises a first data segment, a second data segment, and a third data segment, the second data segment connects the first data segment and the third data segment, the first data segment and the third data segment extend in the second direction, and at least part of the second data segment extends in the first direction; the second data signal line comprises a fourth data segment, a fifth data segment, and a sixth data segment, the fifth data segment connects the fourth data segment and the sixth data segment, the fourth data segment and the sixth data segment extend in a second direction, and at least part of the fifth data segment extends in the first direction; the display panel further comprises a wiring region, the wiring region is located between two light-transmitting regions arranged in the second direction, and the second direction intersects the first direction; the first data segment and the fourth data segment both overlap the light-transmitting region, and the third data segment and the sixth data segment both overlap the wiring region; and in a same data signal line group, in the first direction, a distance between the first data segment and the fourth data segment is less than or equal to a distance between the third data segment and the sixth data segment.
9 . The display panel according to claim 8 , wherein at least one of the light-emitting control transistor or the anode reset transistor comprises an active layer, and the active layer comprises a channel region; the display panel further comprises a substrate and a light-shielding structure, and the light-shielding structure is located in the circuit setting region and on a side of the active layer close to the substrate; and in a direction perpendicular to a plane where the substrate is located, the light-shielding structure overlaps at least part of the channel region.
10 . The display panel according to claim 9 , further comprising a light-shielding connection structure, wherein the light-shielding connection structure is configured to connect two light-shielding structures adjacently arranged in the second direction, and the light-shielding connection structure is electrically connected to a fixed potential signal line; and in the first direction, the light-shielding connection structure is located between the first data segment and the fourth data segment.
11 . The display panel according to claim 1 , further comprising a signal line, wherein the signal line is electrically connected to the pixel circuit; and an edge of the signal line on a side close to the light-transmitting region comprises a non-straight line.
12 . The display panel according to claim 11 , wherein the edge of the signal line on the side close to the light-transmitting region comprises a curve; and the curve has a fixed radius of curvature.
13 . The display panel according to claim 11 , further comprising a first scanning signal line, a second scanning signal line and a light-emitting control signal line, wherein the pixel circuit further comprises an initialization transistor and a data writing transistor; a control terminal of the initialization transistor and a control terminal of the anode reset transistor are both electrically connected to the first scanning signal line, a control terminal of the data writing transistor is electrically connected to the second scanning signal line, and a control terminal of the light-emitting control transistor is electrically connected to the light-emitting control signal line; and the signal line comprises at least one of the first scanning signal line, the second scanning signal line or the light-emitting control signal line.
14 . The display panel according to claim 13 , wherein the circuit setting regions are arranged in the first direction into a circuit setting region row, circuit setting region rows are arranged in a second direction, and the second direction intersects the first direction; a plurality of circuit setting region rows comprise a first circuit setting region row and a second circuit setting region row adjacently arranged in the second direction; the first scanning signal line comprises a first scanning sub-portion, a second scanning sub-portion, and a scanning connection portion; and the first scanning sub-portion is electrically connected to control terminals of a plurality of anode reset transistors in the first circuit setting region row, the second scanning sub-portion is electrically connected to control terminals of a plurality of initialization transistors in the second circuit setting region row, and the scanning connection portion connects the first scanning sub-portion and the second scanning sub-portion; and the signal line comprises part of the second scanning sub-portion and the scanning connection portion, and a curvature radius of the second scanning sub-portion is same as a curvature radius of the scanning connection portion.
15 . The display panel according to claim 11 , further comprising a reset signal line, wherein the reset signal line comprises a second reset sub-portion; the first pixel circuit further comprises a first initialization transistor, and the first initialization transistor is electrically connected to the second reset sub-portion; and the signal line comprises the second reset sub-portion.
16 . The display panel according to claim 11 , wherein the pixel circuit further comprises a power signal writing transistor; the display panel further comprises a first power signal line, and the first power signal line is electrically connected to a first terminal of the power signal writing transistor; and the signal line comprises the first power signal line.
17 . The display panel according to claim 11 , wherein at least two signal lines surrounding a same light-transmitting region comprise a first signal line and a second signal line; the first signal line comprises a first signal line edge on a side close to the light-transmitting region, and the second signal line comprises a second signal line edge on the side close to the light-transmitting region, the first signal line edge and the second signal line edge overlap in both the first direction and the second direction, and the second direction intersects the first direction; and any two points on the first signal line edge comprise a first point and a second point, and a minimum distance between the first point and the second signal line edge is equal to a minimum distance between the second point and the second signal line edge.
18 . The display panel according to claim 11 , wherein at least two signal lines surrounding a same light-transmitting region comprise a third signal line and a fourth signal line; the third signal line comprises a third signal line edge on a side close to the light-transmitting region, and the fourth signal line comprises a fourth signal line edge on the side close to the light-transmitting region; and in a thickness direction of the display panel, at least part of the third signal line edge overlaps at least part of the fourth signal line edge.
19 . The display panel according to claim 1 , wherein at least one of the light-emitting control transistor or the anode reset transistor comprises an active layer; the pixel circuit further comprises a storage capacitor, the storage capacitor comprises a first electrode plate and a second electrode plate arranged opposite to each other, and the second electrode plate is located on a side of the first electrode plate away from the active layer; the display panel further comprises a first scanning signal line, a second scanning signal line, a light-emitting control signal line, a reset signal line, a data signal line, a first power signal line and a second power signal line; the reset signal line comprises a first reset sub-portion and a second reset sub-portion arranged in different layers and electrically connected; the display panel further comprises a first semiconductor layer, a first metal layer, a second metal layer, a third metal layer, a fourth metal layer and a fifth metal layer arranged in a stacked manner; the active layer is located in the first semiconductor layer; the first electrode plate and the first scanning signal line, the second scanning signal line and the light-emitting control signal line are all located in the first metal layer; the second electrode plate and the first reset sub-portion are both located in the second metal layer; the data signal line and the second reset sub-portion are both located in the third metal layer; the first power signal line is located in the fourth metal layer; and the second power signal line is located in the fifth metal layer.
20 . A display device, comprising a display panel, wherein the display panel comprises: a plurality of circuit setting regions and a plurality of light-transmitting regions, wherein a circuit setting region of the plurality of circuit setting regions partially surrounds a light-transmitting region of the plurality of light-transmitting regions; the display panel further comprises a pixel circuit group located in the circuit setting region, wherein the pixel circuit group comprises at least two pixel circuits, wherein the at least two pixel circuits comprise a first pixel circuit and a second pixel circuit, wherein the first pixel circuit is located on a side of the second pixel circuit close to the light-transmitting region in a first direction; a pixel circuit of at least two pixel circuits comprises a light-emitting control transistor and an anode reset transistor, the first pixel circuit comprises a first light-emitting control transistor and a first anode reset transistor, and the second pixel circuit comprises a second light-emitting control transistor; and in a same pixel circuit group, a first anode reset transistor is located on a side of the first light-emitting control transistor close to the second light-emitting control transistor in the first direction.

Description

CROSS-REFERENCE TO RELATED APPLICATION This disclosure claims priority to Chinese Patent Application No. 202510854838.5 filed Jun. 24, 2025, the disclosure of which is incorporated herein by reference in its entirety. TECHNICAL FIELD Embodiments of the present disclosure relate to the field of display technology, and in particular, to a display panel and a display device. BACKGROUND With the continuous development of display technology, display panels have been widely used in people's production and daily life. A variety of circuit structures are involved in the display panel, such as pixel circuits, etc., and the overall display effect of the display panel may be guaranteed by the circuit structures. In order to better meet people's needs, the circuit structure may be finely adjusted to ensure the display effect of the display panel. For example, by adjusting the circuit, the space occupied by the circuit in the display panel may be effectively reduced, thereby providing more setting space, etc., for other structures and improving the overall effect of the display module. A display panel and a display device are provided according to embodiments of the present disclosure, with which, by adjusting the setting position of the transistors in the pixel circuit groups, the pixel circuit groups may be guaranteed to be more compact, and the occupied area of the pixel circuit region may be reduced. In a first aspect, a display panel is provided according to embodiments of the present disclosure, which includes: multiple circuit setting regions and multiple light-transmitting regions, where the circuit setting region partially surrounds the light-transmitting region. The display panel further includes a pixel circuit group located in the circuit setting region, where the pixel circuit group includes at least two pixel circuits, where the at least two pixel circuits include a first pixel circuit and a second pixel circuit, where the first pixel circuit is located on a side of the second pixel circuit close to the light-transmitting region in a first direction. The pixel circuit includes a light-emitting control transistor and an anode reset transistor, the first pixel circuit includes a first light-emitting control transistor and a first anode reset transistor, and the second pixel circuit includes a second light-emitting control transistor. In the same pixel circuit group, the first anode reset transistor is located on a side of the first light-emitting control transistor close to the second light-emitting control transistor in the first direction. In a second aspect, based on the same inventive concept, a display device is provided according to embodiments of the present disclosure, which includes a display panel. The display panel includes: multiple circuit setting regions and multiple light-transmitting regions, where the circuit setting region partially surrounds the light-transmitting region. The display panel further includes a pixel circuit group located in the circuit setting region, where the pixel circuit group includes at least two pixel circuits, where the at least two pixel circuits include a first pixel circuit and a second pixel circuit, where the first pixel circuit is located on a side of the second pixel circuit close to the light-transmitting region in a first direction. The pixel circuit includes a light-emitting control transistor and an anode reset transistor, the first pixel circuit includes a first light-emitting control transistor and a first anode reset transistor, and the second pixel circuit includes a second light-emitting control transistor. In the same pixel circuit group, the first anode reset transistor is located on a side of the first light-emitting control transistor close to the second light-emitting control transistor in the first direction. It should be understood that the contents described in this portion are not intended to identify the key or important features of the embodiments of the present disclosure, nor are they intended to limit the scope of the present disclosure. Other features of the present disclosure will become easier to understand through the following description. BRIEF DESCRIPTION OF DRAWINGS To more clearly illustrate the technical solution of the exemplary embodiment of the present disclosure, the following is a brief introduction to the drawings required to describe the embodiments. The drawings introduced are only drawings of some embodiments to be described in the present disclosure, not drawings of all embodiments. For the person of ordinary skills in the art, other drawings may be obtained based on these drawings without making creative efforts. FIG. 1 is a schematic structural diagram of a first display panel provided in an embodiment of the present disclosure; FIG. 2 is a schematic circuit diagram of a pixel circuit provided in an embodiment of the present disclosure; FIG. 3 is a timing diagram of an implementation of signals provided to the pixel