Display panel and display terminal

Abstract

The present application discloses a display panel and a display terminal. The display panel comprises a light-emitting layer, an optical functional layer and a touch layer; the light-emitting layer comprises first light-emitting units, second light-emitting units and third light-emitting units; the optical functional layer comprises a first optical film layer and a second optical film layer; the first optical film layer comprises a plurality of protrusions; the refractive index of the first optical film layer is greater than that of the second optical film layer; the touch layer comprises a plurality of touch electrodes; the touch electrodes comprise touch patterns arranged between the plurality of protrusions; and at least one notch is formed in a touch pattern arranged around each second protrusion.

Description

Display panel and display terminal

[0001] This application claims priority to Chinese patent application No. 202410050238.9 filed on January 12, 2024, the entire contents of which are incorporated by reference into this application. Technical Field

[0002] The present application relates to the field of display technology, and in particular to a display panel and a display terminal. Background Art

[0003] OLED (Organic Light-Emitting Diode) display technology is a new display technology that has gradually attracted people's attention for its unique advantages such as low power consumption, high saturation, fast response time and wide viewing angle, and occupies a certain position in the field of panel display technology.

[0004] However, OLED display panels suffer from the White Angle Difference (WAD) phenomenon, which means that at different viewing angles, the brightness decreases significantly as the angle increases and the color also shifts. SUMMARY OF THE INVENTION

[0005] The present application provides a display panel and a display terminal, which can solve the technical problem that the brightness obviously decreases with increasing angle and the color also shifts under different observation viewing angles.

[0006] In a first aspect, the present application provides a display panel, comprising:

[0007] substrate;

[0008] a light-emitting layer disposed on the substrate, the light-emitting layer comprising: a first light-emitting unit displaying a first color, a second light-emitting unit displaying a second color, and a third light-emitting unit displaying a third color, wherein an area of ​​the first light-emitting unit and an area of ​​the third light-emitting unit are both larger than an area of ​​the second light-emitting unit;

[0009] an optical functional layer, disposed on a side of the light-emitting layer away from the substrate, the optical functional layer comprising: a first optical film layer and a second optical film layer, the first optical film layer comprising: a first protrusion disposed corresponding to the first light-emitting unit, a second protrusion disposed corresponding to the second light-emitting unit, and a third protrusion disposed corresponding to the third light-emitting unit, the second optical film layer covering the first protrusion, the second protrusion, and the third protrusion, and the refractive index of the first optical film layer being greater than the refractive index of the second optical film layer;

[0010] a touch layer, disposed on a side of the light-emitting layer away from the substrate, the touch layer comprising a plurality of touch electrodes, each of the touch electrodes comprising a touch pattern disposed between the first protrusion, the second protrusion, and the third protrusion;

[0011] Wherein, the touch pattern of the touch electrode is provided with at least one break.

[0012] In a second aspect, the present application further provides a display terminal, which includes the above-mentioned display panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] FIG1 is a schematic diagram of a top view of the structure of a display panel provided in an embodiment of the present application.

[0014] FIG. 2 is a schematic cross-sectional view of the display panel in FIG. 1 .

[0015] FIG. 3 is an enlarged schematic diagram of a partial structure of the display panel in FIG. 1 .

[0016] FIG. 4 is a diagram illustrating the color shift improvement effect of the embodiment of the present application.

[0017] FIG5 is a schematic structural diagram of a touch layer according to an embodiment of the present application.

[0018] Description of reference numerals:

[0019] Display area AA, non-display area NA, substrate 10, pixel definition layer 11, light-emitting layer 20, light-emitting unit 21, first light-emitting unit 211, opening size L1 of the first light-emitting unit, second light-emitting unit 212, opening size L2 of the second light-emitting unit, third light-emitting unit 213, opening size L3 of the third light-emitting unit, anode 12, optical function layer 30, first optical film layer 31, first protrusion 311, second protrusion 312, third protrusion 313, second optical film layer 32, touch layer 40, first line segment 41, second Line segment 42, break 43, first opening 431, second opening 432, first boundary line 4311, second boundary line 4321, touch electrode 50, first touch electrode 51, second touch electrode 52, encapsulation layer 60, first encapsulation layer 61, second encapsulation layer 62, third encapsulation layer 63, first direction D1, second direction D2, minimum distance d1 between the first line segment 41 and the first protrusion 311, minimum distance d2 between the first line segment 41 and the second protrusion 312, minimum distance d3 between the first line segment 41 and the third protrusion 313. Modes for Carrying Out the Invention

[0020] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of the present application. In addition, it should be understood that the specific implementation methods described herein are only used to illustrate and explain the present application, and are not used to limit the present application. In the present application, the various embodiments can be combined with each other but will not be described one by one, and unless otherwise specified, the directional words used, such as "upper" and "lower", generally refer to the upper and lower parts of the device in actual use or working state, specifically the direction of the drawings in the accompanying drawings; while "inside" and "outside" refer to the outline of the device.

[0021] In the display panel of the present application, the touch pattern includes multiple first line segments and multiple second line segments, one second line segment connects two adjacent first line segments, and the first line segment is arranged around the second protrusion; at most one of the two adjacent first line segments has a break. In the display panel of the present application, the break includes a first opening and a second opening, the orthographic projection of the boundary between the first line segment and the first opening on the substrate is a first boundary line, and the first boundary line extends along a first direction, and the orthographic projection of the boundary between the first line segment and the second opening on the substrate is a second boundary line, and the second boundary line extends along a second direction, and the first direction and the second direction are different;

[0022] Wherein, one first line segment is provided with at most one first opening and at most one second opening.

[0023] In the display panel of the present application, the extension line of the first boundary line and the extension line of the second boundary line both intersect with the orthographic projection of the second light-emitting unit on the substrate, and the extension line of the first boundary line and the extension line of the second boundary line are both spaced apart from the center of the orthographic projection of the second light-emitting unit on the substrate.

[0024] In the display panel of the present application, two adjacent first openings in the first direction are staggered, and / or two adjacent second openings in the second direction are staggered.

[0025] In the display panel of the present application, the orthographic projection of the first light-emitting unit on the first optical film layer is located within the first protrusion, the orthographic projection of the second light-emitting unit on the first optical film layer is located within the second protrusion, and the orthographic projection of the third light-emitting unit on the first optical film layer is located within the third protrusion;

[0026] The area of ​​the first protrusion and the area of ​​the third protrusion are both larger than the area of ​​the second protrusion.

[0027] In the display panel of the present application, the contour shape of the first line segment is the same as the contour shape of the second light-emitting unit, and the minimum distance between the first line segment and the first protrusion and the minimum distance between the first line segment and the third protrusion are both smaller than the minimum distance between the first line segment and the second protrusion.

[0028] In the display panel of the present application, the first color is red, the second color is green, and the third color is blue.

[0029] In the display panel of the present application, the touch electrode includes a first touch electrode and a second touch electrode, two adjacent first touch electrodes in a first direction are connected, and two adjacent second touch electrodes in a second direction are connected, the first touch electrode and the second touch electrode are in different layers and are insulated, and the orthographic projections of the first touch electrode and the second touch electrode on the substrate do not overlap.

[0030] Beneficial effects: The present application discloses a display panel and a display terminal. The display panel includes a substrate, a light-emitting layer, an optical functional layer, and a touch layer. The light-emitting layer is arranged on the substrate, the light-emitting layer includes: a first light-emitting unit displaying a first color, a second light-emitting unit displaying a second color, and a third light-emitting unit displaying a third color, wherein the area of ​​the first light-emitting unit and the area of ​​the third light-emitting unit are both larger than the area of ​​the second light-emitting unit; the optical functional layer is arranged on a side of the light-emitting layer away from the substrate, the optical functional layer includes: a first optical film layer and a second optical film layer, the first optical film layer includes: a first protrusion arranged corresponding to the first light-emitting unit, a second protrusion arranged corresponding to the second light-emitting unit, and a third protrusion arranged corresponding to the third light-emitting unit, the second optical film layer covers the first protrusion, the second protrusion, and the third protrusion, and the refractive index of the first optical film layer is greater than the refractive index of the second optical film layer; the touch layer is arranged on a side of the light-emitting layer away from the substrate, the touch layer includes a plurality of touch electrodes, the touch electrode includes a touch pattern arranged between the first protrusion, the second protrusion, and the third protrusion; wherein the touch pattern arranged around the second protrusion is provided with at least one break. In the present application, by setting at least one break on the touch pattern surrounding the second protrusion, the light of the second color can be emitted from the break, thereby increasing the light output of the second color, slowing down the brightness attenuation rate of the second color light, and adjusting the color deviation.

[0031] The present application provides a display panel, as shown in Figures 1 to 3, which includes a substrate 10, a light-emitting layer 20, an optical functional layer 30, and a touch layer 40. The light-emitting layer 20 is disposed on the substrate 10. The light-emitting layer 20 includes a plurality of light-emitting units 21 that emit different colors of light. The light-emitting units 21 include a first light-emitting unit 211 that displays a first color, a second light-emitting unit 212 that displays a second color, and a third light-emitting unit 213 that displays a third color. The area of ​​the first light-emitting unit 211 and the area of ​​the third light-emitting unit 213 are both larger than the area of ​​the second light-emitting unit 212. The optical functional layer 30 is disposed on the side of the light-emitting layer 20 that is away from the substrate 10. The optical functional layer 30 includes a first optical film layer 31 that is stacked and a second optical film layer 32 that covers the first optical film layer 31. The first optical film layer 31 includes a plurality of protrusions that are arranged corresponding to the light-emitting units 21.

[0032] The first optical film layer includes a first protrusion 311 corresponding to the first light emitting unit 211 , a second protrusion 312 corresponding to the second light emitting unit 212 , and a third protrusion 313 corresponding to the third light emitting unit 213 .

[0033] The second optical film layer covers the first protrusion 311, the second protrusion 312, and the third protrusion 313. The refractive index of the first optical film layer 31 is greater than that of the second optical film layer 32. The touch layer 40 is disposed on the side of the light-emitting layer away from the substrate. The touch layer 40 includes a plurality of touch electrodes 50. The touch electrodes 50 include a touch pattern disposed between the first protrusion 311, the second protrusion 312, and the third protrusion 313. The touch pattern disposed around the second protrusion 312 is provided with at least one break 43.

[0034] In some embodiments of the present application, the display panel is one of an OLED panel, a Mini LED (Mini Light Emitting Diode, sub-millimeter light-emitting diode) panel, and a Micro LED (Micro Light Emitting Diode, micro light-emitting diode) panel.

[0035] In some embodiments of the present application, substrate 10 is a flexible material. The flexible substrate material is one of reinforced plastics such as polyimide, polycarbonate, polyethersulfone, polyethylene terephthalate, polyethylene naphthalate, polyarylate, or glass fiber. In other embodiments of the present application, substrate 10 is a rigid substrate. The rigid substrate material is glass.

[0036] The display panel includes a display area AA and a non-display area NA disposed on the periphery of the display panel. A plurality of sub-pixels are disposed in the display area AA. Each sub-pixel is disposed corresponding to a light-emitting unit 21.

[0037] In some embodiments of the present application, a substrate 10 is provided with an array layer. The array layer is provided with a driving circuit. The driving circuit is configured to drive the light-emitting units 21 of the display panel to emit light. Taking an OLED panel as an example, the array layer also includes a pixel definition layer 11. The pixel definition layer 11 includes a plurality of openings. A light-emitting layer 20 is provided within the openings. The light-emitting layer 20 includes a plurality of light-emitting units 21 emitting different colors. The light-emitting units 21 can be configured to emit red light, green light, blue light, etc. For example, the first color is red, the second color is green, and the third color is blue, but the present invention is not limited thereto.

[0038] The light-emitting unit 21 includes an anode 12, a light-emitting material layer, and a cathode (not shown). A drive circuit provides drive signals to the anode 12 and cathode. The anode 12 provides holes, while the cathode provides electrons. The holes and electrons recombine in the light-emitting material layer to generate light.

[0039] In some embodiments of the present application, an optically functional layer 30 is disposed on the light-emitting layer 20. The optically functional layer 30 is used to focus the light emitted by the light-emitting unit 21 at a normal viewing angle, thereby improving the brightness of the display panel at a normal viewing angle. For example, the optically functional layer 30 can be a microlens array, but is not limited thereto.

[0040] The optical functional layer 30 includes a first optical film layer 31 and a second optical film layer 32. The first optical film layer 31 includes a plurality of protrusions. The second optical film layer 32 covers the first optical film layer 31. The refractive index of the first optical film layer 31 is greater than the refractive index of the second optical film layer 32. Through the above-mentioned arrangement, when the light emitted from the light-emitting unit 21 is incident on the interface between the protrusion and the second optical film layer 32, it can be refracted. Thereby, the emitted light is concentrated in the normal direction of the substrate 10, that is, the emitted light is concentrated to the normal viewing angle. The present application does not impose any restrictions on the shape of the protrusion, and it is only necessary that the protrusion can make the emitted light of the light-emitting unit 21 converge in the normal direction of the substrate 10.

[0041] In some embodiments of the present application, the cross-sectional shape of the protrusion may be trapezoidal, semicircular, semi-elliptical, etc., but is not limited thereto. FIG2 shows a case where the cross-sectional shape of the protrusion is trapezoidal.

[0042] The first optical film layer 31 includes a first protrusion 311 corresponding to the first light-emitting unit 211, a second protrusion 312 corresponding to the second light-emitting unit 212, and a third protrusion 313 corresponding to the third light-emitting unit 213. In other words, the orthographic projection of the first protrusion 311 on the light-emitting layer overlaps with the first light-emitting unit. The orthographic projection of the second protrusion 312 on the light-emitting layer overlaps with the second light-emitting unit 212. The orthographic projection of the third protrusion 313 on the light-emitting layer overlaps with the third light-emitting unit 213.

[0043] In some embodiments of the present application, the orthographic projection of the first light-emitting unit 211 on the first optical film layer 31 is located within the first protrusion 311. The area of ​​the first protrusion 311 corresponds to the area of ​​the first light-emitting unit 211, and the area of ​​the first protrusion 311 is greater than or equal to the area of ​​the first light-emitting unit 211.

[0044] The orthographic projection of the second light emitting unit 212 on the first optical film layer 31 is located in the second protrusion 312. The area of ​​the second protrusion 312 corresponds to the area of ​​the second light emitting unit 212, and the area of ​​the second protrusion 312 is greater than or equal to the area of ​​the second light emitting unit 212.

[0045] The orthographic projection of the third light emitting unit 213 on the first optical film layer 31 is located in the third protrusion 313. The area of ​​the third protrusion 313 corresponds to the area of ​​the third light emitting unit 213, and the area of ​​the third protrusion 313 is greater than or equal to the area of ​​the second light emitting unit 212.

[0046] Through the above arrangement, the light emitted by each light emitting unit 21 can be refracted by the inclined surface of the first optical film layer 31 , thereby improving the brightness of the light emitting unit 21 of each luminous color at a normal viewing angle.

[0047] The first optical film layer 31 can be formed by a patterning process, which includes processes such as photoresist coating, exposure and development, and etching.

[0048] In some embodiments of the present application, the first optical film layer 31 and the second optical film layer 32 may be made of organic or inorganic transparent materials so as not to affect light transmission. For example, the first optical film layer 31 may be made of a material with a high refractive index, such as silicon nitride or photoresist. The second optical film layer 32 may be made of a material with a low refractive index, such as silicon oxynitride or photoresist.

[0049] In some embodiments of the present application, the touch layer 40 has a grid structure. The grid structure includes a grid formed by multiple intersecting lines. The touch layer 40 is made of a conductive material, such as metal or metal oxide.

[0050] In some embodiments of the present application, the touch layer 40 is disposed in the same layer as the first optical film layer 31. The touch layer 40 is disposed on the side of the optical functional layer 30 facing away from the substrate 10. Since the touch layer 40 is disposed in the same layer as the first optical film layer 31, the thickness of the display panel is reduced.

[0051] In some embodiments of the present application, the touch layer 40 employs either self-capacitive touch or mutual-capacitive touch. The touch layer 40 includes a plurality of touch electrodes 50. Adjacent touch electrodes 50 are spaced apart. That is, adjacent touch electrodes 50 are spaced apart on the display surface of the display panel.

[0052] The touch pattern of the touch electrode 50 is disposed between the multiple protrusions, thereby reducing the obstruction of the light emitted by the light-emitting unit 21 by the touch layer 40. At least one break 43 is provided in the touch pattern, allowing light of the second color to be emitted through the break 43, increasing the amount of light emitted by the second color, slowing the brightness decay of the second color light, and adjusting color shift.

[0053] In some embodiments of the present application, the display panel further includes an encapsulation layer, and the encapsulation layer 60 includes a first encapsulation layer 61 , a second encapsulation layer 62 , and a third encapsulation layer 63 stacked in sequence.

[0054] In some embodiments of the present application, the first encapsulation layer 61 and the third encapsulation layer 63 are transparent inorganic materials, and the second encapsulation layer 62 is a transparent organic material. The encapsulation layer 60 can prevent water vapor from invading the light-emitting unit 21 and affecting the performance of the light-emitting unit 21.

[0055] In the display panel of the present application, the touch pattern includes multiple first line segments 41 and multiple second line segments 42. A second line segment 42 connects two adjacent first line segments 41. The multiple first line segments 41 and the multiple second line segments 42 are connected to form a grid structure. The first line segments 41 are arranged around the second protrusion 312. The orthographic projections of the first line segments 41 on the light-emitting layer 20 are located outside the second protrusion 312.

[0056] In some embodiments of the present application, a portion of the first line segment 41 surrounding the second protrusion 312 is provided with a break 43. Break 43 interrupts the first line segment 41, disconnecting the wiring on either side of the break 43. The size of the break 43 can be adjusted based on the amount of light allowed to escape, and this application does not impose any restrictions on the size of the break 43.

[0057] Because the optically functional layer 30 has different refractive indices for different colors of light, the light emitted by the different colored light-emitting units 21 attenuates at different angles, resulting in a color shift in the white image. It should be understood that a white image is a mixture of red, green, and blue light in certain proportions. When the amount of light from any one color is low, the color of the white image shifts toward the mixture of the other two colors. When the amount of light from any one color is high, the color of the white image shifts toward the color that is higher.

[0058] It should be noted that when green light attenuates too quickly at a certain angle, meaning that the amount of green light at that angle is too low, the color of the white screen will tend to be a mixture of red and blue. To address this, a break 43 can be provided in the touch layer 40 around the green light-emitting unit 21. This allows the green light to escape through the break 43, thereby slowing down the green light's attenuation.

[0059] When the red light and green light attenuate too quickly at a certain angle, that is, the red light and green light are too less at this angle, the color of the white picture will tend to be blue. In response to this, a break 43 can be set on the touch layer 40 outside the first light-emitting unit 211. The red light can be emitted from the break 43. At the same time, a break 43 is set on the touch layer 40 outside the second light-emitting unit 212, so that the green light can be emitted from the break 43. This slows down the attenuation rate of the red and green light to improve the color deviation of the white picture. The break 43 can be selected on the touch layer 40 outside the light-emitting sub-unit of the corresponding color according to the color deviation of the white picture of the display panel, and this application does not impose any restrictions on this.

[0060] The market prefers a slightly bluish color at a wide viewing angle, but cannot accept a reddish color at a wide viewing angle. Therefore, when the white screen appears reddish, the light needs to be adjusted so that its color shift trajectory moves toward the bluish direction. In related technologies, the blue color shift can be adjusted by adjusting the microcavity structure of the light-emitting unit 21. For example, the pink cast of the white screen at a viewing angle of 30 degrees can be improved by adjusting the thickness of the light-emitting material layer. However, the pink cast at a viewing angle of 60 to 75 degrees is difficult to improve by adjusting the microcavity structure. In response to this, the present application provides a fracture 43 on the touch layer 40, which allows the green light at a viewing angle of 60 to 75 degrees to be emitted through the fracture 43, thereby slowing down the brightness attenuation of the green light.

[0061] In some embodiments of the present application, as shown in FIG2 , the opening size of the first light-emitting unit 211 is L1. The opening size of the second light-emitting unit 212 is L2. The opening size of the third light-emitting unit 213 is L3. L1>L2, and L3>L2. The opening size is the size of the opening of the pixel definition layer 11.

[0062] In the display panel of the present application, the fracture 43 includes a first opening 431 and a second opening 432. The orthographic projection of the boundary between the first line segment 41 and the first opening 431 on the substrate 10 is a first boundary line 4311. The first boundary line 4311 extends along a first direction D1. The orthographic projection of the boundary between the first line segment 41 and the second opening 432 on the substrate 10 is a second boundary line 4321. The second boundary line 4321 extends along a second direction D2. The first direction D1 and the second direction D2 are different. A first line segment 41 is provided with at most one first opening 431 and at most one second opening 432.

[0063] In some embodiments of the present application, the fracture 43 includes a first opening 431 and a second opening 432. The boundary between the first line segment 41 and the first opening 431 refers to the sidewall of the first opening 431 formed on the first line segment 41. The orthographic projection of the sidewall on the substrate 10 is a first boundary line 4311. A first opening 431 includes two first boundary lines 4311. The first boundary line 4311 extending along the first direction D1 means that the line connecting the two endpoints of the first boundary line 4311 is parallel to the first direction D1. The first direction D1 and the second direction D2 can be the arrangement direction of the second light-emitting units 212.

[0064] Optionally, the first boundary line 4311 is a straight line or a curve. In order to allow more light to be emitted along the first direction D1, the first boundary line 4311 can be a straight line.

[0065] The boundary between the first line segment 41 and the second opening 432 is the sidewall of the second opening 432 formed on the first line segment 41. The orthographic projection of the sidewall on the substrate 10 is the second boundary line 4321. The second boundary line 4321 extends along the second direction D2, which means that the line connecting the two endpoints of the second boundary line 4321 is parallel to the second direction D2.

[0066] Optionally, the second boundary line 4321 is a straight line or a curve. In order to allow more light to be emitted along the second direction D2, the second boundary line 4321 can be a straight line.

[0067] In some embodiments of the present application, the width of the first opening 431 may be 3 to 6 microns. The width of the first opening 431 refers to the minimum distance between two first boundary lines 4311. The width of the second opening 432 may be 3 to 6 microns. The width of the second opening 432 refers to the minimum distance between two second boundary lines 4321. The width of the first opening 431 and the width of the second opening 432 may also be set as needed, and this application does not impose any restrictions on this. The larger the width of the first opening 431 and the width of the second opening 432, the more light can be emitted.

[0068] By setting the width of the first opening 431 and the width of the second opening 432 to 3 micrometers to 6 micrometers, the attenuation speed of light can be affected by 1% to 2%, which can improve the pink cast problem at 60-75 degree viewing angles.

[0069] As shown in Figure 4, Figure 4 illustrates the color cast improvement effect of an embodiment of the present application. The horizontal and vertical axes represent color coordinates on the CIE Chromaticity Diagram. Curve S1 shows the color coordinates of a white image at different viewing angles without cutout 43. Curve S2 shows the color coordinates of a white image at different viewing angles with cutout 43 installed. Curves S1 and S2 are formed by connecting the color coordinates of multiple white images at viewing angles of 0°, 30°, 45°, 60°, and 75°, respectively. By installing cutout 43, the color coordinates of the white image at different viewing angles are shifted from curve S1 to curve S2, thereby improving the pink cast problem at viewing angles between 60 and 75 degrees. It should be noted that the lower right corner of the figure is red, the upper left corner is green, and the lower left corner is blue. Because curve S2 is offset toward the upper left relative to curve S1, the white image shifts toward green, improving the pink cast problem.

[0070] The first direction D1 and the second direction D2 can be set as needed. Optionally, in some embodiments, the first direction D1 and the second direction D2 are respectively the long side direction and the short side direction of the display area AA of the display panel, and the green light-emitting sub-pixels can be arranged along the long side direction and the short side direction of the display area AA.

[0071] Because the human eye is more likely to perceive color shifts in the horizontal and vertical directions of light on a display panel, the first direction D1 can be set to the horizontal direction and the second direction D2 to the vertical direction, thereby improving the color shift of the white image in specific directions.

[0072] It should be understood that the horizontal direction is the plane direction where the angle of the horizontal viewing angle of the display panel is located, and the vertical direction is the plane direction where the angle of the vertical viewing angle of the display panel is located.

[0073] In the display panel of the present application, the extension line of the first boundary line 4311 and the extension line of the second boundary line 4321 both intersect with the orthographic projection of the second light-emitting unit 212 on the substrate 10. The extension line of the first boundary line 4311 and the extension line of the second boundary line 4321 are both spaced apart from the center of the orthographic projection of the second light-emitting unit 212 on the substrate 10.

[0074] In some embodiments of the present application, an extension of the orthographic projection of the first boundary line 4311 on the substrate 10 intersects with an orthographic projection of the second light-emitting unit 212 on the substrate 10. An extension of the orthographic projection of the second boundary line 4321 on the substrate 10 intersects with an orthographic projection of the second light-emitting unit 212 on the substrate 10. With the above arrangement, light emitted from the second light-emitting unit 212 can be emitted from the first opening 431 and the second opening 432.

[0075] Optionally, an extension line of the orthographic projection of the first boundary line 4311 on the substrate 10 and an extension line of the orthographic projection of the second boundary line 4321 on the substrate 10 are both spaced from the center of the orthographic projection of the second light-emitting unit 212 on the substrate 10. In the orthographic projection pattern of the display panel, the extension line of the first boundary line 4311 does not pass through the center of the second light-emitting unit 212. The extension line of the second boundary line 4321 does not pass through the center of the second light-emitting unit 212.

[0076] Correspondingly, the extension line of the second line segment 42 may pass through the center of the second light emitting unit 212. Thus, the first boundary line 4311 and the second boundary line 4321 are staggered with the second line segment 42, thereby preventing the second line segment 42 from being interrupted.

[0077] In some embodiments of the display panel of the present application, two adjacent first openings 431 in the first direction D1 are arranged alternately.

[0078] In some other embodiments of the display panel of the present application, two adjacent second openings 432 in the second direction D2 are arranged in a staggered manner.

[0079] In some other embodiments of the display panel of the present application, two adjacent first openings 431 in the first direction D1 are staggered, and two adjacent second openings 432 in the second direction D2 are staggered.

[0080] In some embodiments of the present application, in order to prevent the touch layer 40 from being completely interrupted, a break 43 is provided on the touch layer 40 at the periphery of at most one of two adjacent second light-emitting units 212 .

[0081] When the extensions of adjacent first boundary lines 4311 overlap in the first direction D1, visually alternating bright and dark display unevenness (mura) is likely to occur. When the extensions of adjacent second boundary lines 4321 overlap in the second direction D2, visually alternating bright and dark display unevenness is likely to occur.

[0082] In order to avoid the above problem, in some embodiments of the present application, two adjacent first openings 431 in the first direction D1 are staggered.

[0083] In some other embodiments of the present application, two adjacent second openings 432 in the second direction D2 are staggered.

[0084] In some other embodiments of the present application, two adjacent first openings 431 in the first direction D1 are staggered, and two adjacent second openings 432 in the second direction D2 are staggered.

[0085] In the display panel of the present application, the contour of the first line segment 41 is the same as that of the second light emitting unit 212. The minimum distance d1 between the first line segment and the first protrusion and the minimum distance d3 between the first line segment and the third protrusion are both smaller than the minimum distance d2 between the first line segment and the second protrusion.

[0086] In this embodiment, the outline of the first line segment 41 is the same as the outline of the second light-emitting unit 212. For example, when the second light-emitting unit 212 is elliptical, the first line segment 41 can also be elliptical. The first line segment 41 can be evenly spaced from the second light-emitting unit 212. When the second light-emitting unit 212 has other shapes, the outline of the first line segment 41 can be set accordingly. This application does not impose any restrictions on the outline of the first line segment 41.

[0087] Because green light decays more quickly, to improve this issue, in some embodiments of the present application, the first line segment 41 between the first and second light-emitting units 211, 212, is positioned closer to the first light-emitting unit 211, i.e., d2 > d1. The first line segment 41 between the third and second light-emitting units 213, 212, is positioned closer to the third light-emitting unit 213, i.e., d2 > d3. Where d1 is the minimum distance between the first line segment 41 and the first protrusion 311. d2 is the minimum distance between the first line segment 41 and the second protrusion 312. d3 is the minimum distance between the first line segment 41 and the third protrusion 313.

[0088] In the display panel of the present application, as shown in Figures 3 and 5 , the touch layer 40 includes multiple touch electrodes 50. Each touch electrode 50 includes multiple first line segments 41 and multiple second line segments 42. Adjacent touch electrodes 50 are disposed separately. Figure 5 does not show the actual first and second line segments 41, 42. For details on the first and second line segments 41, 42, refer to Figure 3 . The touch layer 40 in Figure 3 is an enlarged schematic diagram of the first and second line segments 41, 42 disposed on a touch electrode 50.

[0089] In some embodiments of the present application, each touch electrode 50 includes a plurality of first line segments 41 and second line segments 42. The first line segments 41 and second line segments 42 in each touch electrode 50 are electrically connected.

[0090] In some embodiments of the present application, the touch electrode 50 is made of a metal material, such as titanium, aluminum, or other metal with high reflectivity.

[0091] In the display panel of the present application, the touch electrode 50 includes a first touch electrode 51 and a second touch electrode 52. Two adjacent first touch electrodes 51 in the first direction D1 are connected, and two adjacent second touch electrodes 52 in the second direction D2 are connected. The orthographic projections of the first touch electrode 51 and the second touch electrode 52 on the substrate 10 do not overlap.

[0092] In some embodiments of the present application, the first touch electrode 51 and the second touch electrode 52 are each a touch drive unit or a touch sensing unit. For example, the touch drive units are arranged along a first direction D1, with multiple touch drive units in the same row connected by connecting leads. The touch sensing units are arranged along a second direction D2, with touch sensing units in the same column connected by connecting leads. Where the connecting leads of the first touch electrode 51 and the connecting leads of the second touch electrode 52 intersect, the connecting leads are bridged through holes.

[0093] The present application also provides a display terminal, which includes the above-mentioned display panel.

[0094] In some embodiments of the present application, the display terminal is any product or component with a display function, such as a mobile phone, a tablet computer, a television, a monitor, a laptop computer, a digital photo frame, a navigator, etc.

[0095] In the above embodiments, the description of each embodiment has its own focus. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0096] The above is a detailed introduction to a display panel and a display terminal provided in the embodiments of the present application. Specific examples are used herein to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the technical solutions and core ideas of the present application. Ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. These modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A display panel, comprising: a substrate; a light-emitting layer disposed on the substrate, the light-emitting layer including: a first light-emitting unit that displays a first color, a second light-emitting unit that displays a second color, and a third light-emitting unit that displays a third color, wherein the areas of the first light-emitting unit and the third light-emitting unit are both larger than the area of the second light-emitting unit; an optical functional layer disposed on a side of the light-emitting layer away from the substrate, the optical functional layer including: a first optical film layer and a second optical film layer, the first optical film layer including: a first protrusion corresponding to the first light-emitting unit, a second protrusion corresponding to the second light-emitting unit, and a third protrusion corresponding to the third light-emitting unit, the second optical film layer covering the first protrusion, the second protrusion, and the third protrusion, and the refractive index of the first optical film layer being greater than the refractive index of the second optical film layer; and a touch layer disposed on a side of the light-emitting layer away from the substrate, the touch layer including a plurality of touch electrodes, the touch electrodes including a touch pattern disposed between the first protrusion, the second protrusion, and the third protrusion; At least one break is provided in the touch pattern surrounding the second protrusion.

2. The display panel according to claim 1, wherein, The touch pattern includes a plurality of first line segments and a plurality of second line segments, one of the second line segments connecting two adjacent first line segments, and the first line segments surrounding the second protrusion; at most one of the adjacent two first line segments is provided with a break.

3. The display panel according to claim 2, wherein, The break includes a first opening and a second opening, a positive projection of a boundary between the first line segment and the first opening on the substrate being a first boundary line that extends in a first direction, a positive projection of a boundary between the first line segment and the second opening on the substrate being a second boundary line that extends in a second direction, and the first direction and the second direction being different; At most one first opening and at most one second opening are provided on one of the first line segments.

4. The display panel according to claim 3, wherein, An extension line of the first boundary line and an extension line of the second boundary line both intersect a positive projection of the second light-emitting unit on the substrate, and the extension line of the first boundary line and the extension line of the second boundary line are both spaced apart from a center of the positive projection of the second light-emitting unit on the substrate.

5. The display panel according to claim 4, wherein, Two adjacent first openings in the first direction are staggeredly arranged, and / or two adjacent second openings in the second direction are staggeredly arranged.

6. The display panel according to claim 2, wherein, A positive projection of the first light-emitting unit on the first optical film layer is located within the first protrusion, a positive projection of the second light-emitting unit on the first optical film layer is located within the second protrusion, and a positive projection of the third light-emitting unit on the first optical film layer is located within the third protrusion; The areas of the first protrusion and the third protrusion are both larger than the area of the second protrusion.

7. The display panel according to claim 6, wherein, The contour shape of the first line segment is the same as that of the second light-emitting unit, and the minimum distances between the first line segment and the first protrusion and between the first line segment and the third protrusion are both smaller than the minimum distance between the first line segment and the second protrusion.

8. The display panel according to claim 1, wherein, The first color is red, the second color is green, and the third color is blue.

9. The display panel according to claim 1, wherein, The touch electrode includes a first touch electrode and a second touch electrode. Two adjacent first touch electrodes in the first direction are connected, and two adjacent second touch electrodes in the second direction are connected. The first touch electrode and the second touch electrode are arranged in different layers and insulated from each other, and the orthographic projections of the first touch electrode and the second touch electrode on the substrate do not overlap.

10. The display panel according to claim 2, wherein, The minimum distance from the first line segment between the first light-emitting unit and the second light-emitting unit to the first protrusion is smaller than the minimum distance from the first line segment between the first light-emitting unit and the second light-emitting unit to the second protrusion.

11. The display panel according to claim 2, wherein, The minimum distance from the first line segment between the third light-emitting unit and the second light-emitting unit to the second protrusion is greater than the minimum distance from the first line segment between the third light-emitting unit and the second light-emitting unit to the third protrusion.

12. A display terminal, including the display panel as claimed in claim 1.

13. The display terminal according to claim 12, wherein, The touch pattern includes a plurality of first line segments and a plurality of second line segments. One second line segment connects two adjacent first line segments, and the first line segments are arranged around the second protrusion; at most one of two adjacent first line segments is provided with a break.

14. The display terminal according to claim 13, wherein, The break includes a first opening and a second opening. The orthographic projection of the boundary between the first line segment and the first opening on the substrate is a first boundary line, and the first boundary line extends in the first direction. The orthographic projection of the boundary between the first line segment and the second opening on the substrate is a second boundary line, and the second boundary line extends in the second direction. The first direction and the second direction are different. At most one first opening and at most one second opening are provided on one first line segment.

15. The display terminal according to claim 14, wherein, The extension lines of the first boundary line and the second boundary line both intersect the orthographic projection of the second light-emitting unit on the substrate, and the extension lines of the first boundary line and the second boundary line are both spaced from the center of the orthographic projection of the second light-emitting unit on the substrate.

16. The display terminal according to claim 15, wherein, Two adjacent first openings in the first direction are arranged staggeredly, and / or two adjacent second openings in the second direction are arranged staggeredly.

17. The display terminal according to claim 13, wherein, The orthographic projection of the first light-emitting unit on the first optical film layer is located within the first protrusion, the orthographic projection of the second light-emitting unit on the first optical film layer is located within the second protrusion, and the orthographic projection of the third light-emitting unit on the first optical film layer is located within the third protrusion. The areas of the first protrusion and the third protrusion are both larger than the area of the second protrusion.

18. The display terminal according to claim 17, wherein, The contour shape of the first line segment is the same as the contour shape of the second light-emitting unit, and the minimum distances between the first line segment and the first protrusion and between the first line segment and the third protrusion are both smaller than the minimum distance between the first line segment and the second protrusion.

19. The display terminal according to claim 12, wherein, The first color is red, the second color is green, and the third color is blue.

20. The display terminal according to claim 12, wherein, The touch electrode includes a first touch electrode and a second touch electrode. Two adjacent first touch electrodes in the first direction are connected, and two adjacent second touch electrodes in the second direction are connected. The first touch electrode and the second touch electrode are arranged in different layers and insulated from each other, and the orthographic projections of the first touch electrode and the second touch electrode on the substrate do not overlap.

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