Display panel and display device

Abstract

The utility model provides a display panel and a display device, and relates to the technical field of display. The display panel comprises a display substrate, the display substrate is provided with a display area and a non-display area, the non-display area comprises a display terminal and a touch terminal, and a display wire of the display area extends to a binding area of the display terminal; the touch layer is located on the light emitting side of the display substrate, and a touch wire of the touch layer extends to the binding area of the touch terminal; the control circuit is located on the backlight side of the display substrate, a display control module of the control circuit is electrically connected with the display wires, and a touch control module is electrically connected with the touch control wires. In the embodiment of the invention, the display terminal and the touch terminal which are positioned in the non-display area are directly arranged on the display substrate of the display panel, so that the binding area is bent to the backlight side of the display area based on the bending areas on the display terminal and the touch terminal, the bending radius of the display terminal is reduced, the frame of the display panel is effectively reduced, and the display effect of the display panel is improved. The narrow bezel of the display panel is realized.

Description

Technical Field

[0001] The present disclosure relates to the field of display technology, and in particular to a display panel and a display device. Background Art

[0002] In the modern communications industry, the demand for medium and large-sized display products such as TVs, tablets, notebooks, and car displays is increasing, and various display products are also developing towards a larger screen-to-body ratio. In related technologies, medium and large-sized display products usually use COF (Chip On Film) bending, FPC (Flexible Printed Circuit) bending, and other methods to bend the display wiring of the display product to the back of the display product to achieve normal display of the display product. However, COF bending, FPC bending, and other methods inevitably cause the border of the display product to be larger, reducing user stickiness.

[0003] It should be noted that the information disclosed in the above background technology section is only used to enhance the understanding of the background of the present disclosure, and therefore may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0004] The purpose of the present disclosure is to provide a display panel and a display device, which can effectively improve the screen-to-body ratio of medium and large-sized display products and achieve narrow frame.

[0005] According to one aspect of the present disclosure, there is provided a display panel, comprising:

[0006] A display substrate, comprising a display area and a non-display area located outside the display area, wherein the non-display area comprises a display terminal and a touch terminal, wherein the display terminal and the touch terminal both comprise a bending area and a binding area, wherein the bending area connects the display area and the binding area respectively, and after the bending area is bent, the binding area is located at a backlight side of the display area, and the display area has a display wiring, and the display wiring extends to the binding area of ​​the display terminal;

[0007] A touch layer, located on the light-emitting side of the display substrate, the touch layer comprising touch traces located in the display area, and the touch traces extend to the binding area of ​​the touch terminals;

[0008] The control circuit is located at the backlight side of the display substrate and includes a display control module and a touch control module. The display control module is electrically connected to the display wiring, and the touch control module is electrically connected to the touch control wiring.

[0009] According to any display panel described in the present disclosure, the non-display area includes one display terminal, and the display terminal is located at one side of the display area in the column direction;

[0010] The display terminal includes a plurality of binding areas located on a side of the bending area away from the display area, and the plurality of binding areas of the display terminal all have the display wiring.

[0011] According to any display panel described in the present disclosure, the width of the display terminal in the row direction is not less than 70 mm and not more than 600 mm.

[0012] According to any display panel described in the present disclosure, the non-display area includes a plurality of the display terminals, and the plurality of display terminals are located on the same side of the display area in the column direction and are spaced apart along the row direction.

[0013] According to any display panel described in the present disclosure, the spacing between adjacent display terminals is greater than 5 mm.

[0014] According to any display panel described in the present disclosure, the non-display area includes a first touch terminal, the first touch terminal and the display terminal are located on the same side of the display area, and the first touch terminal is located at the outermost side of the display terminal in the row direction.

[0015] According to any display panel described in the present disclosure, the first touch terminal and the adjacent display terminal are an integrated structure.

[0016] According to any display panel described in the present disclosure, the non-display area further includes a second touch terminal, and the second touch terminal is located on a side of the display area away from the display terminal.

[0017] According to any display panel described in the present disclosure, the non-display area further includes a pair of third touch terminals, and the pair of third touch terminals are respectively located on both sides of the display area in the row direction.

[0018] According to any display panel of the present disclosure, the non-display area includes a plurality of display terminals, and the plurality of display terminals include a first display terminal, a second display terminal and at least one third display terminal;

[0019] The first display terminal and the second display terminal are located on the same side of the display area in the column direction and are spaced apart in the row direction. At least one of the third display terminals is located on a side of the display area away from the first display terminal and is spaced apart in the row direction. In the row direction, at least one of the third display terminals is located between the first display terminal and the second display terminal.

[0020] According to any display panel described in the present disclosure, the distance between the first display terminal and the second display terminal is not less than 30 mm.

[0021] According to any display panel described in the present disclosure, the non-display area includes a pair of first touch terminals, the first touch terminals and the third display terminals are located on the same side of the display area, and the pair of first touch terminals are respectively located on both sides of the at least one third display terminal in the row direction.

[0022] According to any display panel described in the present disclosure, the non-display area further includes a pair of third touch terminals, and the pair of third touch terminals are respectively located on both sides of the display area in the row direction.

[0023] According to any display panel described in the present disclosure, the control circuit further includes a first switching circuit and a second switching circuit;

[0024] The first switching circuit is electrically connected to the display wiring and the display control module respectively, and the second switching circuit is electrically connected to the touch wiring and the touch module respectively.

[0025] According to any display panel described in the present disclosure, the display substrate comprises a display film layer, a back glue layer and a protective layer stacked in sequence in a direction away from the touch layer;

[0026] At least a portion of the protective layer in the thickness direction is thinned in the bending region, or the protective layer and the back adhesive layer are thinned as a whole in the bending region.

[0027] According to one aspect of the present disclosure, a display device is provided, comprising a control mainboard and the display panel described in the above aspect, wherein the display control module and the touch control module are both electrically connected to the control mainboard.

[0028] The embodiments of the present disclosure include at least the following technical effects:

[0029] In the embodiment of the present disclosure, display terminals and touch terminals located in the non-display area are directly arranged on the display substrate included in the display panel, so that based on the bending areas on the display terminals and the touch terminals, the binding area is bent to the backlight side of the display area, thereby reducing the bending radius of the display terminal, so as to effectively reduce the frame of the display panel and realize a narrow frame of the display panel.

[0030] It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present disclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The accompanying drawings herein are incorporated into the specification and constitute a part of the specification, illustrate embodiments consistent with the present disclosure, and together with the specification are used to explain the principles of the present disclosure. Obviously, the accompanying drawings described below are only some embodiments of the present disclosure, and for ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without creative work.

[0032] Figure 1 A schematic diagram of the cross-sectional structure of a display panel provided in an embodiment of the present disclosure.

[0033] Figure 2 A schematic diagram of a top view structure of a display substrate when unfolded provided in an embodiment of the present disclosure.

[0034] Figure 3 The present invention provides a schematic diagram of a top view structure of a display panel when it is unfolded.

[0035] Figure 4 A schematic diagram of the cross-sectional structure of a display substrate provided in an embodiment of the present disclosure.

[0036] Figure 5 A schematic diagram of a top view structure of another display substrate when unfolded provided by an embodiment of the present disclosure.

[0037] Figure 6 A schematic diagram of a top view structure of another display substrate when unfolded provided in an embodiment of the present disclosure.

[0038] Figure 7 This is a schematic diagram of a top view structure of another display panel when unfolded provided by an embodiment of the present disclosure.

[0039] Figure 8 This is a schematic diagram of a top view structure of another display panel when unfolded provided by an embodiment of the present disclosure.

[0040] Fig. 9 A schematic diagram of a top view structure of another display panel when unfolded provided by an embodiment of the present disclosure.

[0041] Fig.10 A schematic diagram of the upward-view structure of another display panel after being bent provided in an embodiment of the present disclosure.

[0042] Fig.11 The present invention provides a top view of another display panel when it is unfolded.

[0043] Fig.12 A schematic diagram of the upward-view structure of another display panel after being bent provided in an embodiment of the present disclosure.

[0044] Reference numerals:

[0045] 10. Display panel;

[0046] AA, display area; BB, non-display area; B1, display terminal; B2, touch terminal; B3, bending area; B4, binding area;

[0047] B11, first display terminal; B12, second display terminal; B13, third display terminal;

[0048] B21, first touch terminal; B22, second touch terminal; B23, third touch terminal;

[0049] 11. Display substrate; 12. Touch layer; 13. Control circuit; 14. Polarizer layer; 15. Optical adhesive layer; 16. Cover plate; 17. Heat dissipation layer; 18. Support layer;

[0050] 111, display film layer; 112, back adhesive layer; 113, protective layer;

[0051] 131. Display control module; 132. Touch control module; 133. First switching circuit; 134. Second switching circuit. DETAILED DESCRIPTION

[0052] Example embodiments will now be described more fully with reference to the accompanying drawings. However, example embodiments can be implemented in a variety of forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that the present disclosure will be comprehensive and complete and fully convey the concepts of the example embodiments to those skilled in the art. The same reference numerals in the figures represent the same or similar structures, and thus their detailed descriptions will be omitted. In addition, the drawings are only schematic illustrations of the present disclosure and are not necessarily drawn to scale.

[0053] Although relative terms such as "upper" and "lower" are used in this specification to describe the relative relationship of one component of the illustration to another component, these terms are used in this specification only for convenience, such as according to the orientation of the examples described in the drawings. It is understood that if the device of the illustration is turned upside down, the component described as "upper" will become the component "lower". When a structure is "on" other structures, it may mean that the structure is formed integrally on the other structure, or that the structure is "directly" disposed on the other structure, or that the structure is "indirectly" disposed on the other structure through another structure.

[0054] The terms "a", "an", "the", "said" and "at least one" are used to indicate the presence of one or more elements / components / etc.; the terms "including" and "having" are used to express an open-ended inclusive meaning and mean that additional elements / components / etc. may exist in addition to the listed elements / components / etc.; the terms "first", "second" and "third" etc. are used merely as labels and are not intended to limit the quantity of their objects.

[0055] Figure 1 A schematic cross-sectional structure diagram of a display panel 10 provided in an embodiment of the present disclosure is illustrated. Figure 2 The schematic diagram of the top view structure of a display substrate 11 before being bent provided by an embodiment of the present disclosure is illustrated. Figure 1 and Figure 2 As shown, the display panel 10 includes: a display substrate 11, the display substrate 11 has a display area AA and a non-display area BB located outside the display area AA, the non-display area BB includes a display terminal B1, the display terminal B1 includes a bending area B3 and a binding area B4, the bending area B3 connects the display area AA and the binding area B4 respectively, and after the bending area B3 is bent, the binding area B4 is located on the backlight side of the display area AA.

[0056] In the embodiment of the present disclosure, a display terminal B1 located in the non-display area BB is directly set on the display substrate 11 included in the display panel 10. In this way, based on the bending area B3 on the display terminal B1 included in the display substrate 11, the binding area B4 can be bent to the backlight side of the display area AA, thereby reducing the bending radius of the display terminal B1, so as to effectively reduce the frame of the display panel 10 and realize the narrow frame of the display panel 10.

[0057] The display area AA has a display wiring, and the display wiring extends to the binding area B4 of the display terminal B1, so as to facilitate electrical connection with the control circuit 13 to realize the display of the image in the display area AA.

[0058] In some embodiments, Figure 1 As shown, the display panel 10 further includes a touch layer 12 , and the touch layer 12 is located on the light emitting side of the display substrate 11 .

[0059] The touch layer 12 includes touch lines located in the display area AA, and the touch lines extend to the non-display area BB of the display substrate 11 and are electrically connected to the control circuit 13. In this way, the touch operation of the display panel 10 can be realized under the cooperation of the touch lines and the control circuit 13.

[0060] Among them, Figure 3As shown, the non-display area BB of the display panel 10 also includes a touch terminal B2. The structure of the touch terminal B2 is the same as that of the display terminal B1, that is, the touch terminal B2 also includes a bending area B3 and a binding area B4. Therefore, based on the bending area B3 on the touch terminal B2 included in the display substrate 11, the binding area B4 of the touch terminal B2 can be bent to the backlight side of the display area AA, thereby reducing the bending radius of the touch terminal B2, so as to effectively reduce the frame of the display panel 10 and realize a narrow frame of the display panel 10.

[0061] In addition, if Figure 3 As shown, the touch line includes a Tx line (driving line) and an Rx line (receiving line), and both the Tx line and the Rx line extend to the binding area B4 of the touch terminal B2 of the non-display area BB. The Tx line can extend to the non-display area BB along the left and right sides of the display area AA (that is, it extends to the non-display area BB along the row direction X), and the Rx line can extend to the non-display area BB along the upper and lower ends of the display area AA (that is, it extends to the non-display area BB along the column direction Y); it can also be that the Tx line can extend to the non-display area BB along the upper and lower ends of the display area AA (that is, it extends to the non-display area BB along the column direction Y), and the Rx line can extend to the non-display area BB along the left and right sides of the display area AA (that is, it extends to the non-display area BB along the row direction X), and the embodiments of the present disclosure are not limited to this.

[0062] It should be noted that the display panel 10 further includes a protective film, which covers the bending area B3. The protective film can prevent the bending area B3 from being damaged after being bent, thereby ensuring the integrity of the wiring in the bending area B3.

[0063] In some embodiments, Figure 4 As shown, the display substrate 11 includes a display film layer 111 , a back glue layer 112 and a protection layer 113 which are sequentially stacked on a side away from the touch layer 12 .

[0064] Among them, Figure 4 As shown, at least a portion of the protective layer 113 in the thickness direction is thinned in the bending area B3, or the protective layer 113 and the back adhesive layer 112 are thinned as a whole in the bending area B3. In this way, by thinning in the bending area B3, the bending radius of the bending area B3 is reduced, and the frame of the display panel 10 is further reduced, thereby achieving a narrow frame of the display panel 10.

[0065] The thinning of the bending area B3 may be performed before the back glue layer 112 and the protective layer 113 are bonded to the backlight side of the display film layer 111, or may be performed by etching after being bonded to the backlight side of the display film layer 111, and the embodiments of the present disclosure are not limited to this.

[0066] In the embodiments of the present disclosure, Figure 1 and Figure 3 As shown, the display panel 10 also includes a control circuit 13, which includes a display control module 131 (such as a PCB (Printcd Cicuils Board) control circuit) and a touch module 132 (such as a touch chip TIC). The display control module 131 is electrically connected to the display wiring in the binding area B4 on the display terminal B1, and the touch module 132 is electrically connected to the touch wiring in the binding area B4 on the touch terminal B2.

[0067] After the bending areas B3 of the display terminal B1 and the touch terminal B2 are bent, the display control module 131 and the touch module 132 are both located on the backlight side of the display substrate 11 , that is, the control circuit 13 is located on the backlight side of the display substrate 11 .

[0068] Optionally, the number of display control modules 131 included in the control circuit 13 can be determined according to the number of display terminals B1 in the non-display area BB, for example, the display control modules 131 correspond to the display terminals B1 one by one, so as to simplify the setting of the control circuit 13. Of course, the number of display control modules 131 can also be less than the number of display terminals B1, so that one display control module 131 is electrically connected to the display wiring in multiple display terminals B1, and the embodiments of the present disclosure are not limited to this.

[0069] When the control circuit 13 includes multiple display control modules 131, the multiple display control modules 131 can be connected in series via a flexible circuit board to simplify the electrical connection between the multiple display control modules 131 and the control main board and simplify the connection lines on the backlight side of the display area AA.

[0070] like Figure 3 As shown, the control circuit 13 also includes a first switching circuit 133 and a second switching circuit 134. The first switching circuit 133 is electrically connected to the display wiring and the display control module 131 respectively, and the second switching circuit 134 is electrically connected to the touch wiring (Tx wiring and Rx wiring) and the touch module 132 respectively.

[0071] The first adapter circuit 133 includes a driver chip and a connection circuit. The driver chip is electrically connected to the display wiring, and then electrically connected to the display control module 131 through the connection circuit. The driver chip and the connection circuit can be integrated on the COF circuit board at the same time, or the connection circuit can be integrated on the FPC circuit board or the PCB circuit board separately. The second adapter circuit 134 includes a connection circuit. In this case, the second adapter circuit 134 can be integrated on the FPC circuit board or the PCB circuit board separately.

[0072] In the embodiments of the present disclosure, Figure 1As shown, the display panel 10 further includes a polarizer layer 14, an optical adhesive layer 15 and a cover plate 16 which are sequentially distributed on the side of the touch layer 12 away from the display substrate 11. The polarizer layer 14 at least covers the display area AA of the display substrate 11 to ensure the display effect of the image in the display area AA. The optical adhesive layer 15 is used to bond the cover plate 16 and the polarizer layer 14 to protect the display panel 10 through the cover plate 16. Furthermore, as Figure 1 As shown, the display panel 10 also includes a heat dissipation layer 17 and a support layer 18 which are sequentially distributed on the side of the display substrate 11 away from the touch layer 12. The heat dissipation layer 17 is used to achieve heat exchange with the display substrate 11 to avoid the display substrate 11 from heating up and affecting the display effect. After the bending area B3 of the display terminal B1 and the bending area B3 of the touch terminal B2 are bent, the binding area B4 of the display terminal B1 and the binding area B4 of the touch terminal B2 are fixed on the support layer 18 to ensure the bending effect of the bending area B3.

[0073] Next, the embodiment of the present disclosure explains in detail the display terminal B1 included in the non-display area BB of the display substrate 11 .

[0074] In the first embodiment, if Figure 2 As shown, the non-display area BB of the display substrate 11 includes a display terminal B1 , and the display terminal B1 is located at one side of the display area AA in the column direction Y.

[0075] Among them, the width of the display terminal B1 in the row direction X is smaller than the width of the display area AA on the side close to the display terminal B1 in the row direction X, so that the display control module 131 is electrically connected to the display wiring through the first switching circuit 133, and after the display control module 131 is bent to the side close to the backlight side of the display area AA, the display control module 131 falls within the area surrounded by the edge of the display substrate 11, avoiding the display control module 131 extending out of the edge of the display substrate 11.

[0076] Alternatively, if Figure 2 As shown, the width W of the display terminal B1 in the row direction X may be not less than 70 mm and not more than 600 mm. For example, the width W of the display terminal B1 is 70 mm, 100 mm, 200 mm, 300 mm, 400 mm, 500 mm, or 600 mm.

[0077] For a display panel 10 with a larger size, Figure 2As shown, the display terminal B1 includes a plurality of binding areas B4 located on the side of the bending area B3 away from the display area AA, and the plurality of binding areas B4 of the display terminal B1 all have display wiring. In this way, by setting the plurality of binding areas B4, it is possible to avoid that the entire area of ​​the display terminal B1 in the row direction X is distributed with display wiring, so as to reduce the size of the first switching circuit 133 in the row direction X, thereby facilitating the difficulty of electrical connection between the display wiring and the display control module 131.

[0078] At this time, for the binding area B4 included in the display terminal B1, and the first adapter circuit 133 connected to the display control module 131, the first adapter circuit 133 can correspond to multiple binding areas B4 one by one to simplify the electrical connection between the display wiring of multiple binding areas B4 and the display control module 131. Of course, the number of first adapter circuits 133 can also be less than the number of binding areas B4, for example, one first adapter circuit 133 is simultaneously connected to the display wiring in at least two binding areas B4, and then connected to the display control module 131.

[0079] In the second embodiment, if Figure 5 or Figure 6 As shown, the non-display area BB of the display substrate 11 includes a plurality of display terminals B1, and the plurality of display terminals B1 are located on the same side of the display area AA in the column direction Y and are spaced apart along the row direction X. In this way, the arrangement of the plurality of display terminals B1 can reduce the width of the display terminal B1 in the row direction X, thereby facilitating the bending of the bending area B3, so as to improve the bending effect of the bending area B3 on each display terminal B1.

[0080] Optionally, for the multiple display terminals B1 included in the non-display area BB, the multiple display terminals B1 are evenly distributed, and the distance between two adjacent display terminals B1 among the multiple display terminals B1 is greater than 5 mm, so as to facilitate the electrical connection between the binding area B4 of each display terminal B1 and the first switching circuit 133. For example, the distance between two adjacent display terminals B1 is 5.5 mm, 6 mm, 10 mm, 15 mm, 20 mm, etc.

[0081] Optionally, for some display panels 10, the display wirings of the display substrate 11 extend to the same side of the display area AA in the column direction Y and close to the edges on both sides. Figure 6 As shown, the non-display area BB includes two display terminals B1, and the two display terminals B1 are connected to the same side of the display area AA and close to the two edges to achieve the span distribution of the two display terminals B1. The spacing between the two display terminals B1 is greater than or equal to 30 mm, so as to facilitate other settings of the area between the two display terminals B1 on the display substrate 11 (such as the setting of the notch screen). For example, the spacing between the two display terminals B1 is 30 mm, 35 mm, 40 mm, 50 mm, 60 mm, etc.

[0082] The total length of the multiple display terminals B1 located on the same side of the display area AA in the row direction X is smaller than the width of the display area AA in the row direction X, so that the display control module 131 is electrically connected to the display wiring in the display terminal B1 through the first switching circuit 133, and after the display control module 131 is bent to the backlight side of the display area AA, the display control module 131 falls within the area surrounded by the edge of the display substrate 11, so as to prevent the display control module 131 from extending out of the edge of the display substrate 11. In addition, Figure 5 or Figure 6 As shown, the total length L occupied by the multiple display terminals B1 located on the same side of the display area AA in the row direction X is not less than 70 mm and not more than 600 mm. For example, the total length L occupied by the multiple display terminals B1 is 70 mm, 100 mm, 200 mm, 300 mm, 400 mm, 500 mm, and 600 mm.

[0083] It should be noted that if Figure 6 As shown, when the display terminal B1 includes a binding area B4, the control circuit 13 also includes a first switching circuit 133 electrically connected to the display terminal B1, so that the display wiring of the binding area B4 can be electrically connected to the display control module 131 through the first switching circuit 133; Figure 5 As shown, when the display terminal B1 includes a plurality of binding areas B4, the control circuit 13 also includes a plurality of first switching circuits 133 electrically connected to the display terminal B1, and the plurality of binding areas B4 correspond to the plurality of first switching circuits 133 one by one, so that the display wiring of each binding area B4 is electrically connected to the display control module 131 through the corresponding first switching circuit 133. Of course, when the display terminal B1 includes a plurality of binding areas B4, the number of the first switching circuits 133 included in the control circuit 13 may also be less than the number of the binding areas B4, so that the display wiring of the plurality of binding areas B4 is electrically connected to the display control module 131 through one first switching circuit 133.

[0084] It should also be noted that, taking the display area AA of the display substrate 11 as a rectangle as an example, the display area AA has an upper end and a lower end opposite to each other (that is, the two sides of the display area AA in the column direction Y), and a left side and a right side opposite to each other (that is, the two sides of the display area AA in the row direction X). For the above two embodiments, the display terminal B1 included in the non-display area BB can be located at the lower end of the display area AA; of course, the display terminal B1 included in the non-display area BB can also be located at the upper end of the display area AA, or at the left or right side of the display area AA, which is not limited in the embodiments of the present disclosure.

[0085] Next, in combination with the above two embodiments, taking the case where the display terminal B1 of the non-display area BB is located at the lower end of the display area AA as an example, the touch terminal B2 included in the non-display area BB is explained.

[0086] In some embodiments, Figure 7 As shown, the non-display area BB of the display substrate 11 includes a first touch terminal B21, which is located on the same side of the display area AA as the display terminal B1 and is located at the outermost side of the display terminal B1 in the row direction X. That is, the first touch terminal B21 included in the non-display area BB is connected to the lower end of the display area AA and is close to the outermost edge.

[0087] The non-display area BB of the display substrate 11 may include one first touch terminal B21 or two first touch terminals B21. When two first touch terminals B21 are included, the two first touch terminals B21 are connected to the lower end of the display area AA and are close to the edges on both sides. Figure 7 As shown, after the touch line extends from the edge of the display area AA, it can extend to the nearest first touch terminal B21, so as to effectively shorten the line length of the touch line at the lower end of the display area AA, thereby effectively reducing the area occupied by the touch line, and facilitating the realization of a narrow frame of the display panel 10 at the lower end of the display area AA.

[0088] Optionally, for the first touch terminal B21 located at one side of the display area AA and close to the edge, Figure 7 As shown, the first touch terminal B21 can be an integrated structure with an adjacent display terminal B1, thereby simplifying the structure of the display substrate 11 and improving the manufacturing efficiency of the display substrate 11. Accordingly, the second switching circuit 134 connected to the first touch terminal B21 and the first switching circuit 133 connected to the display terminal B1 can be integrated on the same FPC circuit board or PCB circuit board to simplify the setting of part of the switching circuit.

[0089] In other embodiments, Figure 7 or Figure 8As shown, the non-display area BB of the display substrate 11 also includes a second touch terminal B22, and the second touch terminal B22 is located on the side of the display area AA away from the display terminal B1. That is, the second touch terminal B22 included in the non-display area BB is connected to the upper end of the display area AA. In this way, for the touch wiring (Tx wiring and Rx wiring) included in the touch layer 12, it is easier for the touch wiring to select the nearest touch terminal B2 from the first touch terminal B21 and the second touch terminal B22, thereby shortening the wiring length of the touch wiring on the left and right sides of the display area AA, so as to effectively reduce the area occupied by the touch wiring on the left and right sides of the display area AA, and facilitate the realization of the narrow frame of the display panel 10 on the left and right sides of the display area AA.

[0090] The non-display area BB of the display substrate 11 may include one or more second touch terminals B22. When the non-display area BB includes one second touch terminal B22, the second touch terminal B22 is connected to a side of the display area AA away from the display terminal B1 and in the middle; Figure 7 or Figure 8 As shown, when the non-display area BB includes two second touch terminals B22, the two second touch terminals B22 are connected to the side of the display area AA away from the display terminal B1 and close to the two edges. Compared with the case of one second touch terminal B22, the two second touch terminals B22 can further shorten the wiring length of the touch wiring at the upper end of the display area AA, so as to effectively reduce the area occupied by the touch wiring at the upper end of the display area AA, so as to facilitate the realization of a narrow frame of the display panel 10 at the upper end of the display area AA.

[0091] In some other embodiments, Fig. 9 As shown, the non-display area BB of the display substrate 11 also includes a pair of third touch terminals B23, and the pair of third touch terminals B23 are respectively located on both sides of the display area AA in the row direction X. That is, the pair of third touch terminals B23 included in the non-display area BB are respectively connected to the left and right sides of the display area AA. In this way, through the third touch terminals B23 set on the left and right sides of the display area AA, it is possible to avoid the touch lines extending to the left and right sides of the display area AA from extending to the upper end and / or lower end of the display area AA, thereby further shortening the line length of the touch lines on the left and right sides of the display area AA, so as to effectively reduce the area occupied by the touch lines on the left and right sides of the display area AA, so as to facilitate the realization of the narrow frame of the display panel 10 on the left and right sides of the display area AA.

[0092] Among them, the number of third touch terminals B23 set on the left and right sides of the display area AA can be one or more, and the specific number can be determined in combination with the number of touch lines on the left and right sides of the display area AA, as long as the area occupied by the touch lines on the left and right sides of the display area AA can be effectively reduced, the narrow frame of the display panel 10 on the left and right sides of the display area AA can be achieved.

[0093] It should be noted that, for the case where the non-display area BB of the display substrate 11 includes at least two of the first touch terminal B21, the second touch terminal B22, and the third touch terminal B23, taking the case where the non-display area BB includes the first touch terminal B21, the second touch terminal B22, and the third touch terminal B23 as an example, Fig.10 As described above, the first touch terminal B21 , the second touch terminal B22 , and the third touch terminal B23 are all connected to the touch module 132 through the second switching circuit 134 on the backlight side of the display substrate 11 .

[0094] In the third embodiment, if Fig.11 As shown, the non-display area BB of the display substrate 11 includes a plurality of display terminals B1, and the plurality of display terminals B1 include a first display terminal B11, a second display terminal B12 and at least one third display terminal B13; the first display terminal B11 and the second display terminal B12 are located on the same side of the display area AA in the column direction Y, and are spaced apart along the row direction X, at least one third display terminal B13 is located on a side of the display area AA away from the first display terminal B11, and are spaced apart along the row direction X, and in the row direction X, at least one third display terminal B13 is located between the first display terminal B11 and the second display terminal B12.

[0095] The first display terminal B11 and the second display terminal B12 are connected on the same side of the display area AA and close to the edges on both sides to achieve the span distribution of the first display terminal B11 and the second display terminal B12. The spacing between the first display terminal B11 and the second display terminal B12 is not less than 30 mm, so as to facilitate other settings of the area between the first display terminal B11 and the second display terminal B12 on the display substrate 11 (such as the setting of the notch screen). For example, the spacing between the first display terminal B11 and the second display terminal B12 is 30 mm, 50 mm, 70 mm, 90 mm, 120 mm, etc.

[0096] The total length of the first display terminal B11 and the second display terminal B12 in the row direction X is smaller than the width of the display area AA in the row direction X, so that the display control module 131 is electrically connected to the display wiring in the first display terminal B11 and the second display terminal B12 through the first switching circuit 133, and after the display control module 131 is bent to the backlight side of the display area AA, the display control module 131 falls within the area surrounded by the edge of the display substrate 11, so as to prevent the display control module 131 from extending out of the edge of the display substrate 11. In addition, Figure 3 As shown, the total length L occupied by the first display terminal B11 and the second display terminal B12 in the row direction X is not less than 70 mm and not more than 600 mm. For example, the total length L occupied by the plurality of display terminals B1 is 70 mm, 100 mm, 200 mm, 300 mm, 400 mm, 500 mm, or 600 mm.

[0097] The third display terminal B13 included in the plurality of display terminals B1 in the non-display area BB on the display substrate 11 may be one or more.

[0098] When the plurality of display terminals B1 include a third display terminal B13, optionally, as Fig.11 As shown, the third display terminal B13 includes a plurality of binding areas B4 located on the side of the bending area B3 away from the display area AA, and the plurality of binding areas B4 of the third display terminal B13 all have display wiring. In this way, by setting the plurality of binding areas B4, it is possible to avoid that the entire edge area of ​​the third display terminal B13 is distributed with display wiring, so as to reduce the difficulty of electrical connection between the display wiring and the display control module 131.

[0099] At this time, for the first switching circuit 133 connecting the display wiring in the third display terminal B13 and the display control module 131, as shown in FIG. Fig.11 As shown, the first adapter circuit 133 can correspond to multiple binding areas B4 one by one to simplify the electrical connection between the display wiring in the multiple binding areas B4 and the display control module 131. Of course, the number of first adapter circuits 133 can also be less than the number of binding areas B4, for example, one first adapter circuit 133 connects the display wiring in at least two binding areas B4 to the display control module 131.

[0100] When the plurality of display terminals B1 include a plurality of third display terminals B13, the plurality of third display terminals B13 are spaced apart, and the distance between two adjacent third display terminals B13 among the plurality of third display terminals B13 is greater than 5 mm, so as to electrically connect each third display terminal B13 to the first switching circuit 133. For example, the distance between two adjacent third display terminals B13 is 5.5 mm, 6 mm, 10 mm, 15 mm, 20 mm, etc.

[0101] It should be noted that, taking the display area AA of the display substrate 11 as a rectangle as an example, the display area AA has an upper end and a lower end opposite to each other, and a left side and a right side opposite to each other. For the third embodiment, the first display terminal B11 and the second display terminal B12 can be located at the upper end of the display area AA, and at least one third display terminal B13 is located at the lower end of the display area AA; of course, the first display terminal B11 and the second display terminal B12 can also be located on the left side of the display area AA, and at least one third display terminal B13 is located on the right side of the display area AA, etc., and the embodiments of the present disclosure are not limited to this.

[0102] Next, in combination with the third embodiment described above, taking the example that the first display terminal B11 and the second display terminal B12 of the non-display area BB are located at the upper end of the display area AA, and at least one third display terminal B13 is located at the lower end of the display area AA, the touch terminal B2 included in the non-display area BB is explained in detail.

[0103] In some embodiments, Fig.11 As shown, the non-display area BB of the display substrate 11 includes a pair of first touch terminals B21, the first touch terminals B21 and the third display terminals B13 are located on the same side of the display area AA, and the pair of first touch terminals B21 are respectively located on both sides of at least one third display terminal B13 in the row direction X. That is, the pair of first touch terminals B21 included in the non-display area BB are connected to the lower end of the display area AA, and are respectively located near the most edges of both sides.

[0104] Among them, through the setting of a pair of first touch terminals B21, the touch line at the lower end of the display area AA can be extended to the nearest first touch terminal B21, so as to effectively shorten the routing length of the touch line at the lower end of the display area AA, thereby effectively reducing the area occupied by the touch line, and facilitating the realization of a narrow frame of the display panel 10 at the lower end of the display area AA.

[0105] In addition, the first touch terminal B21 and the third display terminal B13 can be spaced apart or can be set as an integrated structure. When the first touch terminal B21 and the third display terminal B13 are spaced apart, the distance between the first touch terminal B21 and the third display terminal B13 is greater than 5 mm, so as to facilitate the electrical connection between the first touch terminal B21 and the third display terminal B13 and the corresponding second switching circuit 134 and the first switching circuit 133. For example, the distance between the first touch terminal B21 and the third display terminal B13 is 5.5 mm, 6 mm, 10 mm, 15 mm, 20 mm, etc.

[0106] When the first touch terminal B21 and the third display terminal B13 are an integrated structure, the structure of the display substrate 11 can be simplified, and the manufacturing efficiency of the display substrate 11 can be improved. Accordingly, the second switching circuit 134 connected to the first touch terminal B21 and the first switching circuit 133 connected to the third display terminal B13 can be integrated on the same FPC circuit board or PCB circuit board to simplify the setting of part of the switching circuit.

[0107] It should be noted that the second switching circuit 134 for the electrically connected pair of first touch terminals B21 will form a gap between the first display terminal B11 and the third display terminal B13. Fig.12 As shown, the display control module 131 connected to the first display terminal B11 and the display control module 131 connected to the third display terminal B13 can be electrically connected through a jumper circuit.

[0108] In other embodiments, the non-display area BB of the display substrate 11 further includes a pair of third touch terminals B23, and the pair of third touch terminals B23 are respectively located on both sides of the display area AA in the row direction X. That is, the pair of third touch terminals B23 included in the non-display area BB are respectively connected to the left and right sides of the display area AA. In this way, by providing the third touch terminals B23 on the left and right sides of the display area AA, it is possible to avoid the touch lines extending to the left and right sides of the display area AA from extending to the upper end and / or lower end of the display area AA, thereby shortening the length of the touch lines on the left and right sides of the display area AA, so as to effectively reduce the area occupied by the touch lines on the left and right sides of the display area AA, thereby facilitating the realization of a narrow frame of the display panel 10 on the left and right sides of the display area AA.

[0109] Among them, the number of third touch terminals B23 set on the left and right sides of the display area AA can be one or more, and the specific number can be determined in combination with the number of touch lines on the left and right sides of the display area AA, as long as the area occupied by the touch lines on the left and right sides of the display area AA can be effectively reduced, the narrow frame of the display panel 10 on the left and right sides of the display area AA can be achieved.

[0110] The disclosed embodiment also provides a display device, including a control mainboard and the display panel described in the above embodiment, wherein the display control module and the touch control module included in the control circuit are electrically connected to the control mainboard. In this way, the touch operation and image display of the display device can be realized through the control mainboard. In addition, based on the bending mode of the display panel, the frame of the display device can be effectively reduced to achieve a high screen-to-body ratio of the display device.

[0111] Those skilled in the art will readily appreciate other embodiments of the present disclosure after considering the specification and practicing the invention disclosed herein. This application is intended to cover any modification, use or adaptation of the present disclosure, which follows the general principles of the present disclosure and includes common knowledge or customary techniques in the art that are not disclosed in the present disclosure. The specification and examples are intended to be exemplary only, and the true scope and spirit of the present disclosure are indicated by the appended claims.

Claims

1. A display panel, characterized in that: include: A display substrate, comprising a display area and a non-display area located outside the display area, wherein the non-display area comprises a display terminal and a touch terminal, wherein the display terminal and the touch terminal both comprise a bending area and a binding area, wherein the bending area connects the display area and the binding area respectively, and after the bending area is bent, the binding area is located at a backlight side of the display area, and the display area has a display wiring, and the display wiring extends to the binding area of ​​the display terminal; A touch layer, located on the light-emitting side of the display substrate, the touch layer comprising touch traces located in the display area, and the touch traces extend to a binding area of ​​a touch terminal; The control circuit is located at the backlight side of the display substrate and includes a display control module and a touch control module. The display control module is electrically connected to the display wiring, and the touch control module is electrically connected to the touch control wiring.

2. The display panel according to claim 1, wherein: The non-display area includes one display terminal, and the display terminal is located at one side of the display area in the column direction; The display terminal includes a plurality of binding areas located on a side of the bending area away from the display area, and the plurality of binding areas of the display terminal all have the display wiring.

3. The display panel according to claim 2, wherein: The width of the display terminal in the row direction is not less than 70 mm and not more than 600 mm.

4. The display panel according to claim 1, wherein: The non-display area includes a plurality of the display terminals, and the plurality of the display terminals are located at the same side of the display area in the column direction and are distributed at intervals along the row direction.

5. The display panel according to claim 4, wherein: The distance between adjacent display terminals is greater than 5 mm.

6. The display panel according to any one of claims 2 to 5, characterized in that: The non-display area includes a first touch terminal, the first touch terminal and the display terminal are located at the same side of the display area, and the first touch terminal is located at the outermost side of the display terminal in a row direction.

7. The display panel according to claim 6, wherein: The first touch terminal and the adjacent display terminal are an integrated structure.

8. The display panel according to claim 6, wherein: The non-display area further includes a second touch terminal, and the second touch terminal is located at a side of the display area away from the display terminal.

9. The display panel according to claim 8, wherein: The non-display area further includes a pair of third touch terminals, and the pair of third touch terminals are respectively located at two sides of the display area in the row direction.

10. The display panel according to claim 1, wherein: The non-display area includes a plurality of display terminals, and the plurality of display terminals include a first display terminal, a second display terminal and at least one third display terminal; The first display terminal and the second display terminal are located on the same side of the display area in the column direction and are spaced apart along the row direction. At least one of the third display terminals is located on a side of the display area away from the first display terminal and is spaced apart along the row direction. In the row direction, at least one of the third display terminals is located between the first display terminal and the second display terminal.

11. The display panel according to claim 10, wherein: The distance between the first display terminal and the second display terminal is not less than 30 mm.

12. The display panel according to claim 10 or 11, characterized in that: The non-display area includes a pair of first touch terminals, the first touch terminals and the third display terminals are located on the same side of the display area, and the pair of first touch terminals are respectively located on both sides of the at least one third display terminal in a row direction.

13. The display panel according to claim 12, wherein: The non-display area further includes a pair of third touch terminals, and the pair of third touch terminals are respectively located at two sides of the display area in the row direction.

14. The display panel according to claim 1, wherein: The control circuit also includes a first switching circuit and a second switching circuit; The first switching circuit is electrically connected to the display wiring and the display control module respectively, and the second switching circuit is electrically connected to the touch wiring and the touch module respectively.

15. The display panel according to claim 1, wherein: The display substrate comprises a display film layer, a back glue layer and a protective layer stacked in sequence in a direction away from the touch layer; At least a portion of the protective layer in the thickness direction is thinned in the bending region, or the protective layer and the back adhesive layer are thinned as a whole in the bending region.

16. A display device, characterized in that: It comprises a control mainboard and the display panel according to any one of claims 1 to 15, wherein the display control module and the touch control module are both electrically connected to the control mainboard.

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