[ summary of the invention ]
In order to solve the above technical problems, the present invention provides a display panel and a display device.
In a first aspect, the present invention provides a display panel comprising:
a plurality of pixels including a first pixel and a second pixel;
the display area comprises a first sub-display area and a second sub-display area, the first pixels are located in the first sub-display area, the second pixels are located in the second sub-display area, and the pixel density of the first sub-display area is smaller than that of the second sub-display area;
a first signal line and a second signal line insulated from each other and extending in the same direction;
the first sub-display area comprises a pixel setting area and a routing dense area, and the first pixel is positioned in the pixel setting area; in the pixel setting area, the horizontal distance between two adjacent first signal lines is a; in the routing dense area, the horizontal distance between two adjacent first signal lines is b, wherein a is more than b and is more than 0;
in a direction perpendicular to a plane of the display panel, at least a part of the routing line segment of the second signal line in the routing dense area is overlapped with the first signal line.
Optionally, the same second signal line includes a first sub-second signal line segment and a second sub-second signal line segment, the first sub-second signal line segment is located in the pixel setting area, and the second sub-second signal line segment is located in the routing dense area;
in a direction perpendicular to the plane of the display panel, the second sub-second signal line segment overlaps the first signal line in the routing dense area.
Optionally, in a direction perpendicular to a plane of the display panel, the second sub-second signal line segment overlaps the plurality of first signal lines in the trace-dense region.
Optionally, in a direction perpendicular to the plane of the display panel, the second sub-second signal line segment covers the first signal line located in the trace-dense region.
Optionally, in the pixel setting region, the first sub-second signal line segment and the first signal line segment are arranged in the same layer;
in the routing dense area, the second sub-second signal line segment and the first signal line segment are arranged in different layers.
Optionally, the first sub-second signal line segment and the second sub-second signal line segment are disposed in the same layer and are in direct contact.
Optionally, the same second signal line includes a first sub-second signal line segment, a second sub-second signal line segment, and a connection line segment, the first sub-second signal line segment is located in the pixel setting area, the second sub-second signal line segment is located in the routing dense area, and the connection line segment is electrically connected to the first sub-second signal line segment and the second sub-second signal line segment respectively;
in a direction perpendicular to the plane of the display panel, the connecting line segment overlaps the first signal line in the routing-dense region.
Optionally, in a direction perpendicular to a plane of the display panel, the second sub-second signal line segment does not overlap with the first signal line in the trace-dense region.
Optionally, in a direction perpendicular to a plane of the display panel, the second sub-second signal line segment covers an area between the plurality of first signal lines in the trace-dense region.
Optionally, the plurality of second signal lines are electrically connected to each other in the routing dense area.
Optionally, the first signal line is a data line, and the second signal line is a power line; or, the first signal line is a scan line, and the second signal line is an emission line.
In a second aspect, based on the same inventive concept, the present invention provides a display device including the display panel.
Optionally, the display device further comprises:
an optical member, the first display region covering the optical member.
In the invention, the first pixel is positioned in the first sub-display area, the second pixel is positioned in the second sub-display area, and the pixel density of the first sub-display area is less than that of the second sub-display area. The light transmittance of the first sub-display area is larger than that of the second sub-display area, so that the first sub-display area and the second sub-display area are used for displaying, and optical components such as a camera are arranged below the first sub-display area. The first pixel is located in the pixel setting area. The first pixel emits light at the pixel disposition region. The horizontal distance between two adjacent first signal lines in the pixel setting area is greater than the horizontal distance between two adjacent first signal lines in the routing concentration area. In the first sub-display area, a plurality of first signal lines are densely arranged in the wiring dense area, the areas outside the pixel arrangement area and the wiring dense area are not provided with first pixels, first signal lines, second signal lines and the like, and the areas outside the pixel arrangement area and the wiring dense area have high light transmittance so as to improve the light transmittance of the first sub-display area. In the direction perpendicular to the plane of the display panel, the first signal line and the second signal line are at least partially overlapped in the wiring dense area, and the whole light shielding area of the first signal line and the second signal line is reduced, so that the light transmittance of the first sub-display area is improved.
[ detailed description ] embodiments
For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.
It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
It should be understood that although the terms first, second, etc. may be used herein to describe devices in accordance with embodiments of the present invention, these devices should not be limited by these terms. These terms are only used to distinguish one device from another. For example, a first device may also be referred to as a second device, and similarly, a second device may also be referred to as a first device, without departing from the scope of embodiments of the present invention.
Fig. 2 is a schematic structural diagram of a display panel according to an embodiment of the present invention; FIG. 3 is a partially enlarged view of a display panel according to an embodiment of the present invention; fig. 4A and 4B are schematic structural diagrams of a first sub-display area in a display panel according to an embodiment of the invention.
As shown in fig. 2 to 4B, the display panel 200 includes: a plurality of pixels PX, the pixels PX including a first pixel PX1 and a second pixel PX 2; a display area AA including a first sub-display area AA1 and a second sub-display area AA2, wherein the first pixel PX1 is located in the first sub-display area AA1, the second pixel PX2 is located in the second sub-display area AA2, and the pixel density of the first sub-display area AA1 is less than that of the second sub-display area AA 2; a first signal line XL1 and a second signal line XL2, the first signal line XL1 and the second signal line XL2 being insulated and extending in the same direction; the first sub-display area AA1 includes a pixel arrangement area PA and a wiring dense area LA, and the first pixel PX1 is located in the pixel arrangement area PA; in the pixel arrangement area PA, the horizontal distance between two adjacent first signal lines XL1 is a; in the routing dense area LA, the horizontal distance between two adjacent first signal lines XL1 is b, wherein a is more than b and is more than 0; in the direction perpendicular to the plane of the display panel 200, at least a part of the routing line segment of the second signal line XL2 in the routing-dense area LA overlaps with the first signal line XL 1.
In the embodiment of the present invention, the first pixel PX1 is located in the first sub-display area AA1, the second pixel PX2 is located in the second sub-display area AA2, and the pixel density of the first sub-display area AA1 is less than that of the second sub-display area AA 2. The pixel density of the first sub display area AA1 refers to the number of first pixels PX1 in a unit area of the first sub display area AA 1. The pixel density of the second sub display area AA2 refers to the number of second pixels PX2 in a unit area of the second sub display area AA 2. Accordingly, the light transmittance of the first sub-display area AA1 is greater than that of the second sub-display area AA2, so that the first sub-display area AA1 and the second sub-display area AA2 are used for display and optical components such as a camera are disposed below the first sub-display area AA 1. The first signal line XL1 and the second signal line XL2 are insulated and extend in the same direction. The first signal line XL1 and the second signal line XL2 extend in the same direction: the extending direction of the first signal line XL1 and the extending direction of the second signal line XL2 are substantially the same; the direction in which most of the first signal line XL1 extends is the same as the direction in which most of the second signal line XL2 extends. The first signal line XL1 is a data line, and the second signal line XL2 is a power line; alternatively, the first signal line XL1 and the second signal line XL2 are both data lines or both power lines; alternatively, the first signal line XL1 is a scanning line, and the second signal line XL2 is a transmission line; alternatively, the first signal line XL1 and the second signal line XL2 are both scanning lines or both transmission lines. The first pixel PX1 is located in the pixel arrangement area PA. The first pixel PX1 emits light at the pixel arrangement area PA. The horizontal distance between two adjacent first signal lines XL1 in the pixel arrangement area PA is larger than the horizontal distance between two adjacent first signal lines XL1 in the wiring dense area LA. The horizontal distance between two adjacent first signal lines XL1 means a distance in the extending direction of the scan line of two adjacent first signal lines XL1 extending in the extending direction of the data line, or a distance in the extending direction of the data line of two adjacent first signal lines XL1 extending in the extending direction of the scan line. In the first sub-display area AA1, the plurality of first signal lines XL1 are densely arranged in the wiring dense area LA, the area outside the pixel arrangement area PA and the wiring dense area LA does not have the first pixels PX1, the first signal lines XL1, the second signal lines XL2, and the like, and the area outside the pixel arrangement area PA and the wiring dense area LA has high light transmittance, so that the light transmittance of the first sub-display area AA1 is improved. In the direction perpendicular to the plane of the display panel 200, the first signal line XL1 and the second signal line XL2 at least partially overlap in the wiring dense area LA, and the total light shielding area of the first signal line XL1 and the second signal line XL2 is reduced, so that the light transmittance of the first sub-display area AA1 is improved.
Fig. 5 is a schematic structural diagram of a second signal line in a first sub-display area of a display panel according to an embodiment of the present invention.
Optionally, as shown in fig. 4A to 5, the same second signal line XL2 includes a first sub-second signal line segment XL21 and a second sub-second signal line segment XL22, the first sub-second signal line segment XL21 is located in the pixel arrangement area PA, and the second sub-second signal line segment XL22 is located in the trace-dense area LA; in the direction perpendicular to the plane of the display panel 200, the second sub-second signal line segment XL22 overlaps the first signal line segment XL1 in the wiring dense area LA.
In the technical solution provided in the embodiment of the present invention, the first sub-second signal line segment XL21 is located in the pixel setting area PA, and the second sub-second signal line segment XL22 is located in the wiring dense area LA. The second sub-second signal line segment XL22 in the wiring-dense area LA transmits a signal to the first sub-second signal line segment XL21 in the pixel arrangement area PA, and the first sub-second signal line segment XL21 in the pixel arrangement area PA transmits a signal to the first pixel PX1, so that the first pixel PX1 is driven to emit light. In the direction perpendicular to the plane of the display panel 200, the second sub-second signal line segment XL22 completely overlaps the first signal line segment XL1 in the trace dense area LA, but does not partially overlap the first signal line segment XL1, and the total light shielding area of the first signal line segment XL1 and the second sub-second signal line segment XL22 is further reduced, so that the light transmittance of the first sub-display area AA1 is further improved.
Alternatively, as shown in fig. 4A to 5, in the direction perpendicular to the plane of the display panel 200, the second sub-second signal line segments XL22 overlap with the plurality of first signal lines XL1 in the trace-dense area LA.
In the technical solution provided by the embodiment of the present invention, in the direction perpendicular to the plane of the display panel 200, the second sub-second signal line segment XL22 overlaps with the plurality of first signal lines XL1 in the wiring dense area LA, but does not overlap with one first signal line XL 1. In the wiring dense area LA, when the second sub-second signal line segment XL22 is overlapped with the plurality of first signal lines XL1, the whole light shielding area is smaller than that when the second sub-second signal line segment XL22 is overlapped with one of the plurality of first signal lines XL1, so that the light transmittance of the first sub-display area AA1 is further improved.
Optionally, as shown in fig. 4A to 5, in the direction perpendicular to the plane of the display panel 200, the second sub-second signal line segment XL22 covers the first signal line segment XL1 located in the trace dense area LA.
In the technical solution provided by the embodiment of the present invention, in the direction perpendicular to the plane of the display panel 200, the second sub-second signal line segment XL22 covers the first signal line segment XL1 located in the wiring dense area LA. In the trace dense area LA, the second sub-second signal line segment XL22 not only overlaps the first signal line XL1 but also covers an area between adjacent pieces of the first signal line XL 1. In the trace dense area LA, the second sub-second signal line segment XL22 blocks light between the adjacent first signal lines XL1, so as to prevent light diffraction between the adjacent first signal lines XL1 from interfering with optical signals received by optical components under the screen.
FIG. 6A is a schematic structural diagram of a first sub-display area AA' of the display panel shown in FIG. 4A according to another embodiment of the present invention; FIG. 6B is a schematic structural diagram of the first sub-display region at CC' in the display panel of FIG. 4B according to the embodiment of the present invention; fig. 7 is a schematic structural diagram of a first sub-display area at BB' in the display panel shown in fig. 4A and 4B according to the embodiment of the present invention.
Optionally, as shown in fig. 4A, 6A, and 7, in the pixel arrangement area PA, the first sub-second signal line segment XL21 is arranged in the same layer as the first signal line segment XL 1; in the trace dense area LA, the second sub-second signal line segment XL22 is disposed in different layers from the first signal line segment XL 1.
In the technical solution provided in the embodiment of the present invention, optionally, the second signal line XL2 in the pixel setting area PA includes a first sub-second signal line segment XL21 and a third sub-second signal line segment XL23, the first sub-second signal line segment XL21 and the first signal line segment XL1 are disposed in the same layer, and the third sub-second signal line segment XL23 and the first signal line segment XL1 are disposed in different layers, so that the resistance of the second signal line segment XL2 is reduced. In the pixel setting area PA, the first sub-second signal line segment XL21 is disposed on the same layer as the first signal line segment XL1, the third sub-second signal line segment XL23 is disposed on a different layer from the first signal line segment XL1, the first sub-second signal line segment XL21 does not overlap with the first signal line segment XL1, and the first sub-second signal line segment XL21 and the first signal line segment XL1 transmit different signals respectively, so that the first sub-second signal line segment XL21 and the first signal line segment XL1 are prevented from overlapping to form a coupling capacitor, and crosstalk between the signals of the first sub-second signal line segment XL21 and the signals of the first signal line segment XL1 is avoided. In the trace dense area LA, the second sub-second signal line segment XL22 is disposed in different layers from the first signal line segment XL 1. In the wiring dense area LA, the second sub-second signal line segment XL22 and the first signal line segment XL1 may overlap, and the total light-shielding area of the first signal line segment XL1 and the second sub-second signal line segment XL22 may be further reduced, so that the light transmittance of the first sub-display area AA1 is further improved.
Optionally, as shown in fig. 4B, 6B, and 7, the first sub-second signal line segment XL21 is disposed in the same layer as, and in direct contact with, the second sub-second signal line segment XL 22.
In the technical solution provided in the embodiment of the present invention, the pixel setting area PA includes a first sub-second signal line segment XL21, and the first sub-second signal line segment XL21 and the second sub-second signal line segment XL22 are disposed in the same layer and are in direct contact with each other. The first sub-second signal line segment XL21 is disposed in the same layer as the second sub-second signal line segment XL22 such that the first sub-second signal line segment XL21 is electrically connected with the second sub-second signal line segment XL22 in the same layer. The first sub-second signal line segment XL21 is in direct contact with the second sub-second signal line segment XL 22. The first sub second signal line segment XL21 in the pixel arrangement area PA is electrically connected to the second sub second signal line segment XL22 in the wiring dense area LA. The second sub-second signal line segment XL22 in the wiring-dense area LA transmits a signal to the first sub-second signal line segment XL21 in the pixel arrangement area PA, and the first sub-second signal line segment XL21 in the pixel arrangement area PA transmits a signal to the first pixel PX1, so that the first pixel PX1 is driven to emit light.
FIG. 8 is a schematic structural diagram of a first sub-display region in another display panel according to an embodiment of the present invention; fig. 9 is a schematic structural diagram of a second signal line in a first sub-display area of another display panel according to an embodiment of the present invention.
Optionally, as shown in fig. 8 and 9, the same second signal line XL2 includes a first sub-second signal line segment XL21, a second sub-second signal line segment XL22, and a connection line segment XL24, the first sub-second signal line segment XL21 is located in the pixel arrangement area PA, the second sub-second signal line segment XL22 is located in the trace dense area LA, and the connection line segment XL24 is electrically connected to the first sub-second signal line segment XL21 and the second sub-second signal line segment XL22, respectively; in a direction perpendicular to the plane of the display panel 200, the connecting line segment XL24 overlaps the first signal line XL1 within the trace-dense area LA.
In the technical solution provided in the embodiment of the present invention, the first sub second signal line segment XL21 is located in the pixel setting area PA, the second sub second signal line segment XL22 is located in the wiring dense area LA, and the connection line segment XL24 is electrically connected to the first sub second signal line segment XL21 and the second sub second signal line segment XL22, respectively. Illustratively, the first sub-second signal line segment XL21, the connection line segment XL24, and the second sub-second signal line segment XL22 are located on the same film layer, and the first sub-second signal line segment XL21 and the second sub-second signal line segment XL22 are electrically connected through the connection line segment XL24 at the same film layer; alternatively, the connection line segment XL24 and the second sub-second signal line segment XL22 are located in one film layer, the first sub-second signal line segment XL21 is located in another film layer, the second sub-second signal line segment XL22 is electrically connected with the connection line segment XL24 in one film layer, and the connection line segment XL24 is electrically connected with the first sub-second signal line segment XL21 through a via hole. The second sub-second signal line segment XL22 in the wiring-dense area LA transmits a signal to the connection line segment XL24, the connection line segment XL24 transmits a signal to the first sub-second signal line segment XL21 in the pixel arrangement area PA, and the first sub-second signal line segment XL21 in the pixel arrangement area PA transmits a signal to the first pixel PX1, so that the first pixel PX1 is driven to emit light. In a direction perpendicular to the plane of the display panel 200, the connection line segment XL24 overlaps the first signal line XL1 within the trace-dense area LA, so that the connection line segment XL24 crosses the first signal line XL1 and is electrically connected to the first sub-second signal line segment XL21 and the second sub-second signal line segment XL22, respectively. In the pixel arrangement region PA, the first signal line XL1 is arranged in the same layer as the second signal line XL 2; in the trace dense area LA, the first signal line XL1 and the second signal line XL2 are arranged in different layers. Accordingly, the first sub-second signal line segment XL21 and the second sub-second signal line segment XL22 can be disposed on different film layers, and the horizontal distance between the first signal line segment XL1 and the second signal line segment XL2 is shortened, so that the light transmittance of the first sub-display area AA1 is further improved.
Optionally, as shown in fig. 8 and 9, in the direction perpendicular to the plane of the display panel 200, the second sub-second signal line segment XL22 does not overlap with the first signal line segment XL1 in the trace-dense area LA.
In the technical solution provided by the embodiment of the present invention, in the direction perpendicular to the plane of the display panel 200, the second sub-second signal line segment XL22 does not overlap with the first signal line segment XL1 in the wiring dense area LA. The second sub-second signal line segment XL22 and the first signal line segment XL1 respectively transmit different signals. Therefore, the second sub-second signal line segment XL22 is prevented from overlapping with the first signal line segment XL1 to form coupling capacitance in the wiring dense area LA, so that the signal of the second sub-second signal line segment XL22 is prevented from crosstalk with the signal of the first signal line segment XL 1. In the pixel arrangement region PA, the first signal line XL1 is arranged in the same layer as the second signal line XL 2; in the trace dense area LA, the first signal line XL1 and the second signal line XL2 are arranged in different layers. Accordingly, the first sub-second signal line segment XL21 and the second sub-second signal line segment XL22 can be disposed on different film layers, and the horizontal distance between the first signal line segment XL1 and the second signal line segment XL2 is shortened, so that the light transmittance of the first sub-display area AA1 is further improved.
Optionally, as shown in fig. 8 and 9, in the direction perpendicular to the plane of the display panel 200, the second sub-second signal line segment XL22 covers the area between the plurality of first signal lines XL1 in the trace-dense area LA.
In the technical solution provided by the embodiment of the present invention, in the direction perpendicular to the plane of the display panel 200, the second sub-second signal line segment XL22 covers the area between the plurality of first signal lines XL1 in the wiring dense area LA. In the trace dense area LA, the second sub-second signal line segment XL22 blocks light between the adjacent first signal lines XL1, so as to prevent light diffraction between the adjacent first signal lines XL1 from interfering with optical signals received by optical components under the screen. On the contrary, in the routing dense area LA, the plurality of first signal lines XL1 cover the area between the plurality of adjacent second sub-second signal line segments XL22, and the plurality of first signal lines XL1 shield the light between the plurality of adjacent second sub-second signal line segments XL22, so that the light diffraction between the plurality of adjacent second sub-second signal line segments XL22 is prevented from interfering the optical signal received by the optical component under the screen.
Fig. 10 is a schematic structural diagram of a second signal line in a first sub-display area of another display panel according to an embodiment of the present invention.
Alternatively, as shown in fig. 10, a plurality of second signal lines XL2 are electrically connected to each other in the trace dense area LA.
In the embodiment of the invention, the second signal line XL2 can be a power line. The second signal line XL2 is electrically connected to a constant voltage power source which transmits a constant voltage signal to the first pixel PX1 through the second signal line XL2 so as to drive the first pixel PX1 to emit light and is electrically connected to the first pixel PX 1. The plurality of second signal lines XL2 are electrically connected to each other in the wiring dense area LA, and a voltage drop of the constant voltage signal in each second signal line XL2 is reduced and the constant voltage signal is uniform, so that the luminance of each first pixel PX1 is uniform.
FIG. 11 is an enlarged view of a portion of another display panel provided in accordance with an embodiment of the present invention; fig. 12 is a schematic structural diagram of a first sub-display area in another display panel according to an embodiment of the present invention.
Alternatively, as shown in fig. 2 to 10, the first signal line XL1 is a data line DL, and the second signal line XL2 is a power supply line PL; alternatively, the first signal line XL1 and the second signal line XL2 are both data lines DL; alternatively, the first signal line XL1 and the second signal line XL2 are both power supply lines PL. The data line DL and the power line PL extend in the longitudinal direction. As shown in fig. 11 and 12, the first signal line XL1 is a scanning line SL, and the second signal line XL2 is an emission line EL; alternatively, the first signal line XL1 and the second signal line XL2 are both scan lines SL; alternatively, the first signal line XL1 and the second signal line XL2 are both emission lines EL. The scan lines SL and the emission lines EL extend in the lateral direction.
Fig. 13 is a schematic structural diagram of a second sub-display area in a display panel according to an embodiment of the present invention.
As shown in fig. 13, in the display panel 200, the second sub-display area AA2 includes a semiconductor layer PS, a first metal layer M1, a second metal layer M2, and a third metal layer M3. The second sub display area AA2 further includes a first scan line SL1, a second scan line SL2, an emission line EL, a reference line RL, a data line DL, and a power line PL. The pixel circuit of the second pixel PX2 includes: a first transistor T1, a second transistor T2, a third transistor T3, a fourth transistor T4, a fifth transistor T5, a sixth transistor T6, a seventh transistor T7, and a storage capacitor C1. The semiconductor layer PS, the first metal layer M1, the second metal layer M2, and the third metal layer M3 are sequentially disposed in a direction perpendicular to the plane of the display panel 200. The control electrode (gate) of the transistor is located in the first metal layer M1, and the first electrode and the second electrode (source and drain) of the transistor are located in the semiconductor layer PS. The two electrodes of the capacitor are respectively located on the first metal layer M1 and the second metal layer M2. The first scan line SL1, the second scan line SL2, and the emission line EL may be located at the first metal layer M1. The reference line RL may be located at the second metal layer M2. The data line DL and the power line PL are located in the third metal layer M3. A control electrode of the fifth transistor T5 is electrically connected to the first scan line SL1, a first electrode of the fifth transistor T5 is electrically connected to a control electrode of the third transistor T3, and a second electrode of the fifth transistor T5 is electrically connected to the reference line RL. A control electrode of the seventh transistor T7 is electrically connected to the first scan line SL1, a first electrode of the seventh transistor T7 is electrically connected to the organic light emitting diode, and a second electrode of the seventh transistor T7 is electrically connected to the reference line RL. A control electrode of the second transistor T2 is electrically connected to the second scan line SL2, a first electrode of the second transistor T2 is electrically connected to a first electrode of the third transistor T3, and a second electrode of the second transistor T2 is electrically connected to the data line DL. A control electrode of the fourth transistor T4 is electrically connected to the second scan line SL2, a first electrode of the fourth transistor T4 is electrically connected to a control electrode of the third transistor T3, and a second electrode of the fourth transistor T4 is electrically connected to a second electrode of the third transistor T3. The control electrode of the first transistor T1 is electrically connected to the emitter line EL, the first electrode of the first transistor T1 is electrically connected to the first electrode of the third transistor T3, and the second electrode of the first transistor T1 is electrically connected to the power supply line PL. A control electrode of the sixth transistor T6 is electrically connected to the emission line EL, a first electrode of the sixth transistor T6 is electrically connected to the second electrode of the third transistor T3, and a second electrode of the sixth transistor T6 is electrically connected to the organic light emitting diode. A first electrode of the storage capacitor C1 is electrically connected to the control electrode of the third transistor T3, and a second electrode of the storage capacitor C1 is electrically connected to the power supply line PL.
In the embodiment of the present invention, the second sub-display area AA2 is different from the first sub-display area AA1 in that the first signal line XL1 does not overlap the second signal line XL2 in the second sub-display area AA 2. In the first sub display area AA1, the first signal line XL1 overlaps with the second signal line XL 2.
Fig. 14 is a schematic structural diagram of a display device according to an embodiment of the present invention.
As shown in fig. 14, the present invention provides a display device 300 including a display panel 200.
In the embodiment of the present invention, the display device 300 implements display by using the display panel 200, such as a smart phone or the like. The display panel 200 is described above and will not be described in detail.
Fig. 15 is a schematic structural diagram of another display device according to an embodiment of the present invention.
As shown in fig. 15, the display device 300 further includes: the optical member OD, the first sub display area AA1, covers the optical member OD.
In the embodiment of the present invention, the display device 300 further includes: optical components OD, such as cameras, sensors (light sensors, distance sensors, iris recognition sensors, fingerprint recognition sensors). The first sub display area AA1 covers the optical member OD, and the first sub display area AA1 has a high light transmittance so that the camera or the sensor receives an optical signal.
In summary, the present invention provides a display panel and a display device. A display panel includes: a plurality of pixels including a first pixel and a second pixel; the display area comprises a first sub-display area and a second sub-display area, the first pixels are positioned in the first sub-display area, the second pixels are positioned in the second sub-display area, and the pixel density of the first sub-display area is smaller than that of the second sub-display area; a first signal line and a second signal line insulated and extending in the same direction; the first sub-display area comprises a pixel setting area and a routing dense area, and the first pixel is positioned in the pixel setting area; in the pixel setting area, the horizontal distance between two adjacent first signal lines is a; in the routing dense area, the horizontal distance between two adjacent first signal lines is b, wherein a is more than b and is more than 0; in the direction perpendicular to the plane of the display panel, at least part of the routing line segments of the second signal lines in the routing dense area are overlapped with the first signal lines. Here, the light transmittance of the first sub-display region is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.