Display module, and display device and driving method therefor

Abstract

A display module, and a display device and a driving method therefor. The display module comprises: a display panel, wherein the display panel has a display area, the display area comprises a first area and a second area, the first area and the second area are arranged in a first direction, and the first area is connected to the second area; a touch layer, which is located on a display side of the display panel and is at least located in the first area; and a support member, which is located on the back side of the display panel, and comprises a first support portion and a second support portion, wherein the first support portion corresponds to the first area and can support same, the second support portion corresponds to the second area and can support same, the modulus of the first support portion is greater than the modulus of the second support portion, the first area and the first support portion can be wound around a curved surface having a first radius, and the second area and the second support portion can be wound around a curved surface having a second radius, the first radius being greater than the second radius.

Description

Display module, display device and driving method thereof TECHNICAL FIELD

[0001] The embodiments of the present disclosure belong to the technical field of display, and particularly relate to a display module, a display device and a driving method thereof. BACKGROUND

[0002] OLED (Organic Light-Emitting Diode) display screens are widely concerned due to their advantages of self-emission, low power consumption, thinness, flexibility, bright colors, high contrast, fast response rate and the like. SUMMARY

[0003] In a first aspect, the embodiments of the present disclosure provide a display module having a display area, the display area including a first area and a second area, the first area and the second area being arranged along a first direction, and the first area and the second area being connected.

[0004] The display module includes a display panel,

[0005] a touch layer located on a display side of the display panel and at least in the first area;

[0006] a support located on a back side of the display panel;

[0007] The support includes a first support part and a second support part,

[0008] The first support part is located in the first area and can support the first area;

[0009] The second support part is located in the second area and can support the second area;

[0010] The modulus of the first support part is greater than the modulus of the second support part;

[0011] The first area can be wound on a curved surface with a first radius, and the second area can be wound on a curved surface with a second radius; the first radius is greater than the second radius.

[0012] In some embodiments, the first area includes at least one third area and at least one fourth area,

[0013] The third area and the fourth area are alternately arranged along the first direction, and any adjacent third area and fourth area are connected;

[0014] The first support part includes at least one first sub-part and at least one second sub-part,

[0015] The first sub-part is located in the third area and can support the third area;

[0016] The second sub-portion is located in the fourth area and can form support for the fourth area;

[0017] The modulus of the first sub-portion is greater than the modulus of the second sub-portion;

[0018] The third area can be wound on a curved surface of a third radius, and the fourth area can be wound on a curved surface of a fourth radius; the third radius is greater than the fourth radius.

[0019] In some embodiments, the fourth radius is greater than the second radius;

[0020] The modulus of the second sub-portion is greater than the modulus of the second support portion.

[0021] In some embodiments, the first support portion includes at least one support layer.

[0022] In some embodiments, the first sub-portion includes a first support layer and a second support layer, and the first support layer and the second support layer are sequentially stacked in a direction away from the display panel;

[0023] The second sub-portion includes a third support layer and a fourth support layer, and the third support layer and the fourth support layer are sequentially stacked in a direction away from the display panel;

[0024] The first support portion further includes a connecting layer located between the first support layer and the second support layer and between the third support layer and the fourth support layer, and the connecting layer is connected to the first support layer and the second support layer respectively, and the connecting layer is connected to the third support layer and the fourth support layer respectively.

[0025] In some embodiments, the display area further includes a fifth area located between the first area and the second area and connected to the first area and the second area respectively;

[0026] The support further includes a third support portion,

[0027] The third support portion is located in the fifth area and can form support for the fifth area;

[0028] The modulus of the third support portion is greater than the modulus of the second support portion and less than the modulus of the first support portion, and the modulus of the third support portion gradually decreases in a direction from the first area to the second area.

[0029] In some embodiments, the touch layer includes a first portion and a second portion, the first portion is located in the first area, and the second portion is located in the second area;

[0030] The first portion includes a first conductive layer and a second conductive layer, the first conductive layer and the second conductive layer are sequentially stacked in a direction away from the display panel, and a first insulating layer is arranged between the first conductive layer and the second conductive layer.

[0031] The second portion includes a third conductive layer, which is in the same layer as the first conductive layer.

[0032] In some embodiments, the touch layer includes a first portion and a second portion, the first portion includes at least one third portion and at least one fourth portion;

[0033] The third portion is located in the third area, the fourth portion is located in the fourth area, and the second portion is located in the second area.

[0034] The first portion includes a first conductive layer and a second conductive layer, the first conductive layer and the second conductive layer are sequentially stacked in a direction away from the display panel, and a first insulating layer is arranged between the first conductive layer and the second conductive layer.

[0035] The second portion includes a third conductive layer, which is in the same layer as the first conductive layer.

[0036] The fourth portion includes a fourth conductive layer, which is in the same layer as the first conductive layer.

[0037] In some embodiments, a plurality of openings are formed in the first sub-portion,

[0038] A plurality of openings are formed in the second sub-portion,

[0039] A plurality of openings are formed in the second support portion,

[0040] The opening density in the first sub-portion is less than the opening density in the second sub-portion.

[0041] The opening density in the second sub-portion is less than the opening density in the second support portion.

[0042] In some embodiments, the shape of the opening includes a strip shape,

[0043] The length direction of the opening in the first sub-portion, the second sub-portion, and the second support portion is parallel to each other.

[0044] The length direction of the opening in the first sub-portion, the second sub-portion, and the second support portion intersects the first direction.

[0045] In some embodiments, the shape of the first support layer includes a planar shape, and a plurality of first openings are formed in the second support layer.

[0046] The third support layer has a plurality of second openings, and the fourth support layer has a plurality of third openings;

[0047] The first openings, the second openings and the third openings have a strip shape,

[0048] The length direction of the first openings, the second openings and the third openings are parallel to each other and cross the first direction;

[0049] The second openings and the third openings are arranged alternately along the first direction.

[0050] In some embodiments, the first support part has a plurality of openings,

[0051] The second support part has a plurality of openings,

[0052] The third support part has a plurality of openings,

[0053] The opening density of the third support part is greater than the opening density of the first support part and less than the opening density of the second support part;

[0054] The opening density of the third support part gradually increases along the direction from the first area to the second area.

[0055] In some embodiments, the material of the support member includes any one of stainless steel, aluminum alloy, carbon fiber and polymer material.

[0056] In some embodiments, the second conductive layer includes a plurality of first electrodes, a plurality of second electrodes and a plurality of first bridge parts,

[0057] The plurality of first electrodes are arranged in an array, and the plurality of second electrodes are arranged in an array;

[0058] When the first electrodes are located in odd rows, the second electrodes are located in even rows; when the first electrodes are located in even rows, the second electrodes are located in odd rows; when the first electrodes are located in odd columns, the second electrodes are located in even columns; and when the first electrodes are located in even columns, the second electrodes are located in odd columns;

[0059] The first bridge parts are located between any two adjacent first electrodes along the row direction of the array, and the first bridge parts are connected with the two adjacent first electrodes;

[0060] The first conductive layer includes a plurality of second bridge parts;

[0061] A normal projection of the second bridge portion on the display panel is located between normal projections of any two adjacent second electrodes along a column direction of the array on the display panel, and the second bridge portion is connected with the two adjacent second electrodes;

[0062] The first bridge portion and the second bridge portion spatially intersect;

[0063] Each row of the first electrodes is connected with a first signal line, and each column of the second electrodes is connected with a second signal line.

[0064] In some embodiments, the third conductive layer includes a plurality of third electrodes and a plurality of fourth electrodes, a plurality of third signal lines and a plurality of fourth signal lines;

[0065] The plurality of third electrodes are arranged in an array, and the plurality of fourth electrodes are arranged in an array;

[0066] When the third electrodes are located in odd rows, the fourth electrodes are located in even rows; when the third electrodes are located in even rows, the fourth electrodes are located in odd rows; when the third electrodes are located in odd columns, the fourth electrodes are located in even columns; and when the third electrodes are located in even columns, the fourth electrodes are located in odd columns;

[0067] Each column of the third electrodes is connected with a third signal line;

[0068] An odd number or an even number of the fourth electrodes in each column are connected with a third signal line; and an even number or an odd number of the fourth electrodes in each column are connected with a fourth signal line;

[0069] The fourth signal lines and the third signal lines connected with the third electrodes are parallel to each other, and their extension directions intersect with the first direction;

[0070] A part of the third signal lines connected with the fourth electrodes is parallel to the fourth signal lines, and another part of the third signal lines forms an angle greater than 0° with the extension direction of the fourth signal lines, and the another part of the third signal lines intersects with the first direction;

[0071] Normal projections of the third signal lines and the fourth signal lines on the display panel do not overlap;

[0072] The fourth conductive layer and the third conductive layer have the same structure.

[0073] In some embodiments, a normal projection shape of the third electrodes on the display panel includes any one of a rectangle, a polygon, a regular polygon, an ellipse, and a circle;

[0074] A shape of a normal projection of the fourth electrode on the display panel includes any one of a rectangle, a polygon, a regular polygon, an ellipse, and a circle;

[0075] A length direction of a largest radial dimension part of the normal projection of the third electrode on the display panel is parallel to the fourth signal line.

[0076] A length direction of a largest radial dimension part of the normal projection of the fourth electrode on the display panel is parallel to the fourth signal line.

[0077] In a second aspect, the embodiments of the present disclosure further provide a display device, including the display module.

[0078] Further including a reel located on a side of the second area of the display module away from the first area, the reel having a curved surface with a first radius and a curved surface with a second radius, the first radius being greater than the second radius.

[0079] The display module can be wound on the reel, and the second area can be wound on the curved surface with the second radius, and the first area can be wound on the curved surface with the first radius.

[0080] An axis of the reel intersects a first direction in which the first area and the second area are arranged.

[0081] In some embodiments, the reel includes a column shaft and a cylinder shaft, the column shaft is located in the cylinder shaft, and axes of the column shaft and the cylinder shaft are parallel,

[0082] A cross-sectional shape of the column shaft includes a circle, and a cross-sectional shape of the cylinder shaft includes an ellipse.

[0083] The second area can be wound on the column shaft,

[0084] The first area can be wound on an outer surface of the cylinder shaft away from the column shaft.

[0085] The outer surface of the cylinder shaft includes a first surface area and a second surface area, the first surface area and the second surface area are connected, a curved surface radius of the first surface area is greater than a curved surface radius of the second surface area, and the curved surface radius of the second surface area is greater than a cross-sectional radius of the column shaft.

[0086] A third area in the first area can be wound on the first surface area, and a fourth area in the first area can be wound on the second surface area.

[0087] In some embodiments, a length direction of an opening in the first sub-portion, the second sub-portion, and the second support portion in the display module is parallel to the axis of the reel.

[0088] In a third aspect, the display device is also provided with a driving method, including: when the display module in the display device is in the unfolded state and displays, the first part of the touch layer in the display module is driven for touch control;

[0089] The second part of the touch layer is driven for touch control or not.

[0090] In some embodiments, when the display module in the display device is in the unfolded state and displays, the third part in the first part is driven for touch control;

[0091] The second part and the fourth part in the first part are driven for touch control or not.

[0092] The display module provided by the embodiments of the present disclosure can effectively reduce the strain accumulation of each film layer in the display module with the increase of the number of curling turns when the display module is curled by 360° or more, and improve the curling performance of the display module, by winding the first area on a curved surface with a first radius and winding the second area on a curved surface with a second radius, and the first radius is greater than the second radius; by making the modulus of the first support part greater than the modulus of the second support part, the support performance of the first support part on the first area is higher than the support performance of the second support part on the second area in the curling and unfolding process of the display module, and the touch function is integrated at least in the first area, thereby improving the pressing touch operation performance of the first area.

[0093] The display device provided by the embodiments of the present disclosure can effectively reduce the strain accumulation of each film layer in the display module with the increase of the number of curling turns when the display module in the display device is curled by 360° or more, and improve the curling performance of the display module by making the reel have a curved surface with a first radius and a curved surface with a second radius, and the first radius is greater than the second radius; at the same time, because the modulus of the first support part is greater than the modulus of the second support part in the display device, the support performance of the first support part on the first area is higher than the support performance on the second area in the curling and unfolding process of the display module, and the touch control function is integrated at least in the first area, thereby improving the pressing touch operation performance of the display module. BRIEF DESCRIPTION OF DRAWINGS

[0094] The accompanying drawings are included to provide a further understanding of the embodiments of the present disclosure, and constitute a part of the specification, which are used to explain the present disclosure together with the embodiments of the present disclosure, and do not constitute a limitation of the present disclosure. The above and other features and advantages will become more apparent to those skilled in the art from the following detailed description of the exemplary embodiments, with reference to the accompanying drawings, in which:

[0095] FIG. 1a is a curling schematic diagram of a curling display module in the related art.

[0096] FIG. 1b is a graph showing the accumulated strain of a transparent optical adhesive layer in a related art display module as the number of bending cycles increases.

[0097] FIG. 2a is a top view of a display module according to an embodiment of the present disclosure.

[0098] FIG. 2b is a cross-sectional view along the AA' cutting line in FIG. 2a.

[0099] FIG. 2c is a cross-sectional view along the BB' cutting line in FIG. 2a.

[0100] FIG. 2d is another cross-sectional view along the BB' cutting line in FIG. 2a.

[0101] FIG. 3a is a top view of a support according to an embodiment of the present disclosure.

[0102] FIG. 3b is a top view of another support according to an embodiment of the present disclosure.

[0103] FIG. 3c is a top view of still another support according to an embodiment of the present disclosure.

[0104] FIG. 3d is a top view of yet another support according to an embodiment of the present disclosure.

[0105] FIG. 4a is a top view of a structure of a touch layer in a display module according to an embodiment of the present disclosure.

[0106] FIG. 4b is a cross-sectional view of the structure along the CC' cutting line in FIG. 4a.

[0107] FIG. 4c is a top view of another structure of a touch layer in a display module according to an embodiment of the present disclosure.

[0108] FIG. 4d is a top view of still another structure of a touch layer in a display module according to an embodiment of the present disclosure.

[0109] FIG. 4e is a top view of yet another structure of a touch layer in a display module according to an embodiment of the present disclosure.

[0110] FIG. 4f is a top view of another display module according to an embodiment of the present disclosure.

[0111] FIG. 5a is a structural view of a reel according to an embodiment of the present disclosure.

[0112] FIG. 5b is a cross-sectional view of the reel according to an embodiment of the present disclosure, taken in a direction perpendicular to the axis of the reel.

[0113] FIG. 6 is a structural view of a track sliding structure of a support according to an embodiment of the present disclosure. DETAILED DESCRIPTION

[0114] In order for those skilled in the art to better understand the technical solutions of the embodiments of the present disclosure, the following further describes in detail a display module, a display device and a driving method thereof provided by the embodiments of the present disclosure in combination with the drawings and specific embodiments.

[0115] The embodiments of the present disclosure will be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the present disclosure are shown. The embodiments of the present disclosure may, however, be embodied in different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the present disclosure to those skilled in the art.

[0116] The embodiments of the present disclosure are not limited to the embodiments shown in the drawings, but include modifications of configurations formed based on manufacturing processes. Therefore, the regions exemplified in the drawings have a schematic property, and the shape of the regions shown in the drawings exemplifies a specific shape of the regions, but is not intended to be restrictive.

[0117] In the related art, referring to FIG. 1a, it is a winding schematic diagram of a winding display module in the related art; FIG. 1b is a winding strain accumulation curve diagram of a transparent optical adhesive layer in the display module in the related art with an increase in the number of winding turns; the winding degree of a winding display product (such as an OLED display product) is greater than or equal to 360°, and with an increase in the winding degree, the strain accumulation of each film layer in the display product increases, and the risk of separation failure between the film layers increases. As shown in FIG. 1b, the main strain of the transparent optical adhesive layer between the display panel and the cover plate in the winding display module 13 is 122% after winding the first turn, and the main strain is 133.17% after winding three turns. As can be seen, with an increase in the number of winding turns, the strain of the film layer material has a cumulative increase effect, and the strain accumulation effect leads to an increase in the strain of the film layer. Therefore, the support member located at the back side of the display panel and supporting the display panel in the winding display module 13 can only use a low modulus (such as 0.5-3 MPa) support member, which makes it difficult to perform pressing touch and other operations in the unfolded state of the display module.

[0118] To solve the problems in the related art, in a first aspect, the display module is provided, referring to FIG. 2a and FIG. 2b, FIG. 2a is a top view of a display module in an embodiment of the present disclosure; FIG. 2b is a cross-sectional view along the AA' section line in FIG. 2a; wherein the display module comprises: wherein the display module has a display area 100, the display area 100 comprises a first area 101 and a second area 102, the first area 101 and the second area 102 are arranged along a first direction X, and the first area 101 and the second area 102 are connected; the display module comprises a display panel 1, a touch layer 3 located on the display side of the display panel 1 and at least located in the first area 101; a support 2 located on the back side of the display panel 1; the support 2 comprises a first support part 21 and a second support part 22, the first support part 21 is located in the first area 101 and can form support therefor; the second support part 22 is located in the second area 102 and can form support therefor; the modulus of the first support part 21 is greater than the modulus of the second support part 22; the first area 101 can be wound on a curved surface of a first radius, and the second area 102 can be wound on a curved surface of a second radius; the first radius is greater than the second radius.

[0119] Wherein the display module is a flexible OLED display module, which can be wound on a reel. The second area 102 can be wound on a reel with a smaller radius or the inner ring of a reel with a smaller radius, and the first area 101 can be wound on a reel with a larger radius or the outer ring of a reel with a larger radius. Modulus refers to the ratio of stress to strain of a material under stress, and modulus is a physical quantity that measures the resistance of a material to deformation.

[0120] In this embodiment, by winding the first area 101 on a curved surface of a first radius and the second area 102 on a curved surface of a second radius, and the first radius being greater than the second radius, when the display module is rolled by 360 degrees or more, the strain accumulation of each film layer of the display module with the increase of the number of rolls can be effectively reduced, and the rolling performance of the display module is improved; by making the modulus of the first support part 21 greater than the modulus of the second support part 22, the support performance of the first support part 21 on the first area 101 is higher than the support performance of the second support part 22 on the second area 102 during the rolling and unfolding of the display module, and the touch function is integrated at least in the first area 101, thereby improving the pressing touch operation performance of the first area 101.

[0121] In some embodiments, the second radius is R1, and the first radius is ≥5R1. The modulus of the first support part 21 ranges from 50-150MPa, and the modulus of the second support part 22 ranges from 0.5-10MPa.

[0122] In some embodiments, the size of the second radius R1 ranges from 3-5mm, and the first radius is ≥15-30mm.

[0123] In some embodiments, referring to FIG. 2c, it is a sectional view along the BB' section line in FIG. 2a; wherein the first area 101 comprises at least one third area 103 and at least one fourth area 104, the third area 103 and the fourth area 104 are arranged alternately along the first direction X, and any adjacent third area 103 and fourth area 104 are connected; the first support part 21 comprises at least one first sub-part 211 and at least one second sub-part 212, the first sub-part 211 is located in the third area 103 and can form support for the third area 103; the second sub-part 212 is located in the fourth area 104 and can form support for the fourth area 104; the modulus of the first sub-part 211 is greater than the modulus of the second sub-part 212; the third area 103 can be wound on a curved surface with a third radius, and the fourth area 104 can be wound on a curved surface with a fourth radius; the third radius is greater than the fourth radius.

[0124] The fourth area 104 can be wound on a curved surface with a smaller radius, and the third area 103 can be wound on a curved surface with a larger radius.

[0125] By winding the third area 103 on a curved surface with a third radius and winding the fourth area 104 on a curved surface with a fourth radius, the third radius is greater than the fourth radius, when the first area 101 is curled by 360° or more, the strain accumulation of each film layer in the first area 101 with the increase of the number of curling turns can be effectively reduced, and the curling performance of the first area 101 can be improved; by making the modulus of the first sub-part 211 greater than the modulus of the second sub-part 212, the support performance of the first sub-part 211 to the third area 103 is higher than the support performance of the second sub-part 212 to the fourth area 104 during the curling and uncurling of the first area 101, so that the touch function can be further integrated in the third area 103 in the first area 101, and the pressing touch operation performance of the third area 103 can be improved.

[0126] In some embodiments, the fourth radius is greater than the second radius; the modulus of the second sub-part 212 is greater than the modulus of the second support part 22.

[0127] In some embodiments, the second radius is R1, the third radius is greater than or equal to 5R1, and the fourth radius is greater than or equal to 1.5R1 and less than or equal to 5R1. The modulus of the first sub-part 211 ranges from 200MPa to 300MPa, the modulus of the second sub-part 212 ranges from 10MPa to 100MPa, and the modulus of the second support part 22 ranges from 0.5MPa to 10MPa.

[0128] In some embodiments, referring to FIG. 2b and FIG. 2c, the first support part 21 comprises at least one support layer.

[0129] In some embodiments, referring to FIG. 2d, another cross-sectional view along the BB' section line in FIG. 2a; the first sub-portion 211 includes a first support layer 211A and a second support layer 211B, which are sequentially stacked in a direction away from the display panel 1; the second sub-portion 212 includes a third support layer 212A and a fourth support layer 212B, which are sequentially stacked in a direction away from the display panel 1; the first support portion 21 further includes a connecting layer 213 between the first support layer 211A and the second support layer 211B and between the third support layer 212A and the fourth support layer 212B, the connecting layer 213 being connected to the first support layer 211A and the second support layer 211B respectively, and the connecting layer 213 being connected to the third support layer 212A and the fourth support layer 212B respectively.

[0130] In some embodiments, the connecting layer 213 is made of adhesive material such as pressure sensitive adhesive, etc., and has certain flexibility while bonding the first support layer 211A and the second support layer 211B together and bonding the third support layer 212A and the fourth support layer 212B together.

[0131] In some embodiments, referring to FIG. 2d, the modulus of the first sub-portion 211 ranges from 300 to 500 Mpa, and the modulus of the second sub-portion 212 ranges from 100 to 150 Mpa.

[0132] In some embodiments, referring to FIG. 3a, a partial top view of a support in an embodiment of the present disclosure; FIG. 3b is a partial top view of another support in an embodiment of the present disclosure; FIG. 3c is a partial top view of still another support in an embodiment of the present disclosure; a plurality of openings 200 are formed in the first sub-portion 211, a plurality of openings 200 are formed in the second sub-portion 212, and a plurality of openings 200 are formed in the second support portion 22; the density of the openings in the first sub-portion 211 is less than the density of the openings in the second sub-portion 212; the density of the openings in the second sub-portion 212 is less than the density of the openings in the second support portion 22.

[0133] In this way, the modulus of the first sub-portion 211 is greater than the modulus of the second sub-portion 212, and the modulus of the second sub-portion 212 is greater than the modulus of the second support portion 22.

[0134] In some embodiments, the shape of the openings 200 includes a strip shape, and the length direction of the openings 200 in the first sub-portion 211, the second sub-portion 212 and the second support portion 22 are parallel to each other; the length direction of the openings 200 in the first sub-portion 211, the second portion 212 and the second support portion 22 is perpendicular to the first direction X.

[0135] In some embodiments, the length direction of the opening 200 is parallel to the axis of the winding shaft, and the length direction of the opening 200 is perpendicular to the first direction X. In this way, the winding ability of the support 2 can be enhanced, and the strain of the support 2 during winding can be reduced.

[0136] In some embodiments, referring to FIG. 2d and FIG. 3d, FIG. 3d is a partial top view of another support in an embodiment of the present disclosure; the shape of the first support layer 211A includes a plane, and a plurality of first openings 201 are formed in the second support layer 211B; a plurality of second openings 202 are formed in the third support layer 212A, and a plurality of third openings 203 are formed in the fourth support layer 212B; the shapes of the first openings 201, the second openings 202 and the third openings 203 include strips, the length directions of the first openings 201, the second openings 202 and the third openings 203 are parallel to each other and cross the first direction X; and the orthographic projections of the second openings 202 and the third openings 203 on the display panel 1 are arranged alternately along the first direction X.

[0137] In some embodiments, the orthographic projection patterns of the third support layer 212A and the fourth support layer 212B on the display panel 1 are complementary, that is, the third support layer 212A has a gap (such as an opening) formed therein, and the orthographic projection of the fourth support layer 212B on the display panel 1 coincides with the orthographic projection of the gap on the display panel 1. In this way, on the one hand, the support strength of the second sub-portion 212 to the fourth area 104 can be ensured, and on the other hand, the winding ability of the second sub-portion 212 can be ensured, and the strain of the second sub-portion 212 during winding can be reduced.

[0138] It should be noted that the orthographic projections of the third support layer 212A and the fourth support layer 212B on the display panel 1 can also be partially overlapped.

[0139] In some embodiments, the length directions of the first openings 201, the second openings 202 and the third opening 203 are parallel to the axis of the winding shaft, and the length directions of the first openings 201, the second openings 202 and the third openings are perpendicular to the first direction X. In this way, the winding ability of the support 2 is enhanced, and the strain of the support 2 during winding is reduced.

[0140] In some embodiments, referring to FIG. 3b, the display area 100 further comprises a fifth area 105 located between the first area 101 and the second area 102 and connected to the first area 101 and the second area 102 respectively; the support 2 further comprises a third support portion 23 located in the fifth area 105 and capable of supporting the fifth area 105; the modulus of the third support portion 23 is greater than the modulus of the second support portion 22 and less than the modulus of the first support portion 21, and the modulus of the third support portion 23 gradually decreases in the direction from the first area 101 to the second area 102. In this way, the smooth transition of the modulus of the support 2 in the first direction X is ensured, thereby ensuring the smooth transition of the curling performance of the support 2 in the first direction X and the smooth transition of the support performance of the support 2 in different areas of the display area 100 in the first direction X.

[0141] In some embodiments, referring to FIG. 3a and FIG. 3b, a plurality of openings are formed in the first support portion 21, a plurality of openings are formed in the second support portion 22, and a plurality of openings are formed in the third support portion 23; the opening density of the third support portion 23 is greater than the opening density of the first support portion 21 and less than the opening density of the second support portion 22; the opening density of the third support portion 23 gradually increases in the direction from the first area 101 to the second area 102.

[0142] In this way, the modulus of the third support portion 23 is greater than the modulus of the second support portion 22 and less than the modulus of the first support portion 21, and the modulus of the third support portion 23 gradually decreases in the direction from the first area 101 to the second area 102 is ensured.

[0143] In some embodiments, the material of the support 2 comprises any one of stainless steel, aluminum alloy, carbon fiber and polymer material.

[0144] In some embodiments, referring to FIG. 2b, the touch layer 3 comprises a first portion 31 and a second portion 32, the first portion 31 is located in the first area 101, and the second portion 32 is located in the second area 102; the first portion 31 comprises a first conductive layer 311 and a second conductive layer 312, the first conductive layer 311 and the second conductive layer 312 are sequentially stacked in the direction away from the display panel 1, and a first insulating layer 313 is arranged between the first conductive layer 311 and the second conductive layer 312; the second portion 32 comprises a third conductive layer, which is located in the same layer as the first conductive layer 311.

[0145] Wherein, by setting the first part 31 as two superimposed conductive layers, the touch sensitivity of the first part 31 can be ensured, and the impedance difference during touch can be increased; by setting the second part 32 as one conductive layer, the strain amount of the second part 32 during winding can be reduced, thereby reducing the risk of bending and breaking failure of the second part 32. By making the touch layer 3 part located in the first area 101 and the touch layer 3 part located in the second area 102 adopt different structural designs, during touch, only the first part 31 located in the first area 101 can be operated for touch, thereby improving the pressing touch operation performance of the first area 101; or the first part 31 located in the first area 101 and the second part 32 located in the second area 102 can be operated for touch, thereby being able to optimize the touch performance of the touch layer 3.

[0146] In some embodiments, referring to FIGS. 2c and 2d, the touch layer 3 includes a first part 31 and a second part 32, the first part 31 includes at least one third part 33 and at least one fourth part 34; the third part 33 is located in the third area 103, the fourth part 34 is located in the fourth area 104, and the second part 32 is located in the second area 102; the third part 33 includes a first conductive layer 311 and a second conductive layer 312, the first conductive layer 311 and the second conductive layer 312 are sequentially superimposed in a direction away from the display panel 1, and a first insulating layer 313 is arranged between the first conductive layer 311 and the second conductive layer 312; the second part 32 includes a third conductive layer, which is located in the same layer as the first conductive layer 311; the fourth part 34 includes a fourth conductive layer, which is located in the same layer as the first conductive layer 311.

[0147] Wherein, by setting the third part 33 in the first part 31 as two superimposed conductive layers, the touch sensitivity of the third part 33 can be ensured, and the impedance difference during touch can be increased; by setting the second part 32 and the fourth part 34 in the first part 31 as one conductive layer, the strain amount of the second part 32 and the fourth part 34 during winding can be reduced, thereby reducing the risk of bending and breaking failure of the second part 32 and the fourth part 34. By making the touch layer 3 part located in the third area 103 within the first area 101 and the touch layer 3 part located in the second area 102 and the touch layer 3 part located in the fourth area 104 within the first area 101 adopt different structural designs, during touch, only the third part 33 located in the third area 103 can be operated for touch, thereby improving the pressing touch operation performance of the third area 103; or the third part 33 located in the third area 103, the second part 32 located in the second area 102, and the fourth part 34 located in the fourth area 104 can be operated for touch, thereby being able to optimize the touch performance of the touch layer 3.

[0148] In some embodiments, referring to FIG. 4a, a top view of a structure of a touch layer in a display module is shown; FIG. 4b is a structure sectional view along the cutting line CC' in FIG. 4a; FIG. 4c is another top view of a structure of a touch layer in a display module; FIG. 4d is a further top view of a structure of a touch layer in a display module; FIG. 4e is a still further top view of a structure of a touch layer in a display module; wherein the second conductive layer 312 includes a plurality of first electrodes 41, a plurality of second electrodes 42 and a plurality of first bridge portions 43, the plurality of first electrodes 41 are arranged in an array, and the plurality of second electrodes 42 are arranged in an array; when the first electrodes 41 are located in odd rows, the second electrodes 42 are located in even rows; when the first electrodes 41 are located in even rows, the second electrodes 42 are located in odd rows; when the first electrodes 41 are located in odd columns, the second electrodes 42 are located in even columns; when the first electrodes 41 are located in even columns, the second electrodes 42 are located in odd columns; the first bridge portions 43 are located between any two adjacent first electrodes 41 along the row direction of the array, and the first bridge portions 43 are connected with the two adjacent first electrodes 41; the first conductive layer 311 includes a plurality of second bridge portions 44; the orthographic projection of the second bridge portions 44 on the display panel 1 is between the orthographic projection of any two adjacent second electrodes 42 on the display panel 1 along the column direction of the array, and the second bridge portions 44 are connected with the two adjacent second electrodes 42; the first bridge portions 43 and the second bridge portions 44 are spatially crossed; each row of first electrodes 41 is connected with a first signal line 5, and each column of second electrodes 42 is connected with a second signal line 6.

[0149] The structure of the first conductive layer 311 and the second conductive layer 312 described above can realize mutual-capacitive touch of the first part 31 of the touch layer 3.

[0150] In some embodiments, the third conductive layer comprises a plurality of third electrodes 45 and a plurality of fourth electrodes 46, a plurality of third signal lines 7 and a plurality of fourth signal lines 8; the plurality of third electrodes 45 are arranged in an array, and the plurality of fourth electrodes 46 are arranged in an array; when the third electrodes 45 are located in odd-numbered rows, the fourth electrodes 46 are located in even-numbered rows; when the third electrodes 45 are located in even-numbered rows, the fourth electrodes 46 are located in odd-numbered rows; when the third electrodes 45 are located in odd-numbered columns, the fourth electrodes 46 are located in even-numbered columns; when the third electrodes 45 are located in even-numbered columns, the fourth electrodes 46 are located in odd-numbered columns; each column of third electrodes 45 is connected to a third signal line 7; an odd number or even number of fourth electrodes 46 in each column is connected to a third signal line 7; an even number or odd number of fourth electrodes 46 in each column is connected to a fourth signal line 8; the fourth signal lines 8 and the third signal lines 7 connected to the third electrodes 45 are parallel to each other, and their extension directions are perpendicular to the first direction X; a part of the third signal lines 7 connected to the fourth electrodes 46 is parallel to the fourth signal lines 8, and the extension direction of the other part of the third signal lines 7 connected to the fourth electrodes 46 and the fourth signal lines 8 forms an angle greater than 0°, and the other part of the third signal lines 7 connected to the fourth electrodes 46 is perpendicular to the first direction X; the orthographic projections of the third signal lines 7 and the fourth signal lines 8 on the display panel 1 do not overlap; the fourth conductive layer and the third conductive layer have the same structure.

[0151] In some embodiments, the extension direction of the fourth signal lines 8 and the third signal lines 7 connected to the third electrodes 45 can be parallel to the axis of the spool. In this way, the strain of the fourth signal lines 8 and the third signal lines 7 connected to the third electrodes 45 during winding can be reduced, thereby improving or avoiding the risk of breakage of the fourth signal lines 8 and the third signal lines 7 connected to the third electrodes 45 during winding. By making the extension direction of the part of the third signal lines 7 connected to the fourth electrodes 46 and the fourth signal line 8 form an angle greater than 0°, and perpendicular to the first direction X, the third signal lines 7 connected to the fourth electrodes 46 on the same conductive layer can be prevented from being connected to the third electrodes 45, thereby ensuring that mutual capacitances can be formed between the third electrodes 45, the fourth electrodes 46 connected to the third signal lines 7, and the fourth electrodes 46 connected to the fourth signal lines 8, thereby realizing mutual capacitance touch of the second part 32 of the touch layer 3 and mutual capacitance touch of the fourth part 34.

[0152] In some embodiments, the orthographic projection shape of the third electrodes 45 on the display panel 1 comprises any one of a rectangle, a polygon, a regular polygon, an ellipse, and a circle; the orthographic projection shape of the fourth electrodes 46 on the display panel 1 comprises any one of a rectangle, a polygon, a regular polygon an ellipse, and a circle; the length direction of the maximum radial dimension part of the orthographic projection of the third electrodes 45 on the display panel 1 is parallel to the fourth signal lines 8; the length direction of the maximum radial dimension part of the orthographic projection of the fourth electrodes 46 on the display panel 1 is parallel to the fourth signal lines 8.

[0153] In the fourth embodiment, the extending direction of the fourth signal line 8 can be parallel to the axis of the winding shaft. The maximum radial dimension of the third electrode 45 on the display panel 1 can be parallel to the fourth signal line 8 in the length direction of the maximum radial dimension of the third electrode 45 on the display panel 1. The maximum radial dimension of the fourth electrode 46 on the display panel 1 can be parallel to the fourth signal line 8 in the length direction of the maximum radial dimension of the fourth electrode 46 on the display panel 1. In this way, the strain of the maximum radial dimension of the third electrode 45 and the maximum radial dimension of the fourth electrode 46 can be reduced during the winding process, thereby improving or avoiding the risk of breakage of the third electrode 45 and the fourth electrode 46 during the winding process.

[0154] In some embodiments, referring to FIGS. 2b-2d, in a direction perpendicular to the display panel 1, the display area 100 of the display panel 1 can include a substrate 10, and a circuit structure layer 20, a light-emitting structure layer 30, an encapsulation structure layer 40, and a touch layer 3 arranged in sequence on the substrate 10. The circuit structure layer 20 can include at least pixel circuits of a plurality of sub-pixels, each of which can include a plurality of transistors and at least one capacitor. The light-emitting structure layer 30 can include at least light-emitting elements of a plurality of sub-pixels.

[0155] In some embodiments, the plurality of transistors in the pixel circuit can all be low-temperature polysilicon thin film transistors or all be oxide thin film transistors. In some embodiments, the plurality of transistors in the pixel circuit can be low-temperature polysilicon thin film transistors and oxide thin film transistors. In addition, the display panel 1 in the present embodiment integrates a mutual-capacitance touch structure, such as an FMLOC (Flexible Multi Layer On Cell) structure.

[0156] In some embodiments, referring to FIGS. 2b-2d, an example is taken in which each sub-pixel includes one thin film transistor 11 and one capacitor 12. The circuit structure layer 20 of the display area 100 can include a semiconductor layer, a first gate metal layer, a second gate metal layer, a first source-drain metal layer, and a second source-drain metal layer arranged on the substrate 10. The semiconductor layer and the first gate metal layer can be provided with a first gate insulating layer 111, the first gate metal layer and the second gate metal layer can be provided with a second gate insulating layer 112, the second gate metal layer and the first source-drain metal layer can be provided with an interlayer insulating layer 113, the first source-drain metal layer and the second source-drain metal layer can be provided with a first planar layer 114, and the second source-drain metal layer can be provided with a second planar layer 115 away from the substrate 10. The first gate insulating layer 111, the second gate insulating layer 112, and the interlayer insulating layer 113 can be inorganic insulating layers, and the first planar layer 114 and the second planar layer 115 can be organic insulating layers.

[0157] The semiconductor layer of the display region 100 can at least include an active layer 210 of a thin film transistor 11. The active layer 210 of the thin film transistor 11 can include a source region 2101, a drain region 2102, and a channel region 2100 between the source region 2101 and the drain region 2102. The first gate metal layer can at least include a gate 116 of the thin film transistor 11 and a first plate 121 of a capacitor 12. The gate 116 of the thin film transistor 11 can cover the channel region 2100 of the active layer 210 in the orthographic projection of the substrate 10. The second gate metal layer can at least include a second plate 122 of the capacitor 12. The second plate 122 and the first plate 121 of the capacitor 12 can at least partially overlap in the orthographic projection of the substrate 10, for example, the two can coincide. The first source-drain metal layer can at least include a source 117 and a drain 118 of the thin film transistor 11. The interlayer insulating layer 113 can be provided with a plurality of vias (for example, including a first pixel via and a second pixel via) in the display region 100. The interlayer insulating layer 113, the second gate insulating layer 112, and the first gate insulating layer 111 in the first pixel via can be removed to expose at least part of the surface of the source region 2101 of the active layer 210; the interlayer insulating layer 113, the second gate insulating layer 112, and the first gate insulating layer 111 in the second pixel via can be removed to expose at least part of the surface of the drain region 2102 of the active layer 210. The source 117 of the thin film transistor 11 can be electrically connected to the source region 2101 of the active layer 210 through the first pixel via, and the drain 118 can be electrically connected to the drain region 2102 of the active layer 210 through the second pixel via. The second source-drain metal layer can at least include a first transfer electrode 231. The first transfer electrode 231 can be electrically connected to the drain 118 of the thin film transistor 11 of the pixel circuit through a third pixel via provided in the first planar layer 114. The electrical connection between the pixel circuit and the light emitting element can be achieved through the first transfer electrode 231.

[0158] In some embodiments, referring to Figures 2b-2d, the light-emitting structure layer 30 of the display area may include a pixel definition layer 304 and a plurality of light-emitting elements. For example, each light-emitting element may include a stacked anode 301, an organic light-emitting layer 302, and a cathode 303. The anode 301 may be disposed on the second planarization layer 115 and electrically connected to the first transition electrode 231 through a fourth pixel via formed in the second planarization layer 115. The pixel definition layer 304 is disposed on the anode 301 and the second planarization layer 115, and the pixel definition layer 304 may have a plurality of pixel openings, one pixel opening exposing at least a portion of the surface of a corresponding anode 301. At least a portion of the organic light-emitting layer 302 may be disposed within a pixel opening and connected to the corresponding anode 301. The cathode 303 may be disposed on the organic light-emitting layer 302 and connected to the organic light-emitting layer 302. The organic light-emitting layer 302 may emit light of a corresponding color under the drive of the anode 301 and the cathode 303. A display isolation pillar layer can also be provided on the side of the pixel definition layer 304 away from the substrate 10, and the display isolation pillar layer can include multiple layers.

[0159] In some embodiments, referring to Figures 2b-2d and 4f, the touch layer 3 of the display area 100 may include, in a direction perpendicular to the display panel 1, a touch buffer layer (TBL) 501, a first conductive layer 311 (TMA), a first insulating layer (TLD) 313, a second conductive layer 312 (TMB), and a protective layer 503 (TOC) stacked sequentially in a direction away from the display panel 1. For example, the touch buffer layer 501 and the first insulating layer 313 may be inorganic insulating layers, and the protective layer 503 may be an organic insulating layer. Referring to Figure 4f, the first conductive layer 311 and the second conductive layer 312 are located in the non-pixel opening area within the display area 100, that is, the first conductive layer 311 and the second conductive layer 312 avoid the pixel openings in the pixel definition layer 304, preventing the patterns of the first conductive layer 311 and the second conductive layer 312 from blocking light. It should be noted that, referring to Figures 2b-2d, the first conductive layer 311 and the second conductive layer 312 can also be in a mesh shape, thus the first conductive layer 311 and the second conductive layer 312 can also be disposed in the pixel opening area. The first conductive layer 311 and the second conductive layer 312 are both metal film layers, including but not limited to copper, nickel and other metal film layers.

[0160] In some embodiments, referring to Figures 2b-2d, the encapsulation structure layer 40 includes a first inorganic layer 401, an organic layer 402, and a second inorganic layer 403 stacked sequentially along a direction away from the display panel 1.

[0161] In some embodiments, referring to Figures 2b-2d, a polarizer 14, a transparent optical adhesive 15, and a cover plate 16 are also provided on the side of the protective layer 503 facing away from the substrate 10. The polarizer 14, the transparent optical adhesive 15, and the cover plate 16 are stacked sequentially in a direction away from the display panel 1.

[0162] In some embodiments, referring to FIG4f, which is a top view of another display module in an embodiment of the present disclosure; each conductive layer in the touch layer 3 can avoid the pixel opening 17, such as being located in a non-pixel opening area, to prevent light shading. The first signal line 5 and the third signal line 7 are led out from the display area 100 to the frame wiring area 106 and electrically connected to the touch driver chip for transmitting touch sensing signals; the second signal line 6 and the fourth signal line 8 are led out from the display area 100 to the frame wiring area 106 and electrically connected to the touch driver chip for transmitting touch driving signals.

[0163] The display module provided in this embodiment of the present disclosure, by winding the first region around a curved surface of a first radius and the second region around a curved surface of a second radius, with the first radius being larger than the second radius, can effectively reduce the strain accumulation of each film layer in the display module as the number of winding turns increases when the display module is wound 360° or more, thereby improving the winding performance of the display module; by making the modulus of the first support part greater than the modulus of the second support part, during the winding and unfolding process of the display module, the support performance of the first support part on the first region is higher than the support performance of the second support part on the second region, and the touch function is integrated at least in the first region, thereby improving the press touch operation performance of the first region.

[0164] Secondly, this disclosure provides a display device, referring to Figures 2a, 3a, 3b, 3d, 4a, 4c, 4d and 4e, including the display module in the above embodiments; it also includes a scroll 9 located on the side of the second region 102 of the display module away from the first region 101, the scroll 9 having a curved surface of a first radius and a curved surface of a second radius, the first radius being larger than the second radius; the display module can be wound on the scroll 9, and the second region 102 can be wound on the curved surface of the second radius, and the first region 101 can be wound on the curved surface of the first radius; the axis of the scroll 9 intersects with a first direction X in which the first region 101 and the second region 102 are arranged.

[0165] By giving the scroll 9 a curved surface with a first radius and a curved surface with a second radius, where the first radius is larger than the second radius, and since the first region 101 can be wound around the curved surface with the first radius and the second region 102 can be wound around the curved surface with the second radius, when the display module in the display device is wound 360° or more, the strain accumulation of each film layer in the display module can be effectively reduced as the number of winding turns increases, thus improving the winding performance of the display module. At the same time, since the modulus of the first support part 21 in the display device is greater than the modulus of the second support part 22, during the winding and unfolding process of the display module, the support performance of the first support part 21 on the first region 101 is higher than the support performance of the second support part 22 on the second region 102, thus integrating the touch function at least into the first region 101, thereby improving the press touch operation performance of the first region 101.

[0166] In some embodiments, referring to FIG5a, it is a structural schematic diagram of the scroll in an embodiment of the present disclosure; FIG5b is a cross-sectional schematic diagram of the scroll perpendicular to its axis in an embodiment of the present disclosure; the scroll 9 includes a column shaft 91 and a cylindrical shaft 92, the column shaft 91 is located in the cylindrical shaft 92, and the axes of the column shaft 91 and the cylindrical shaft 92 are parallel, the cross-sectional shape of the column shaft 91 includes a circle; the cross-sectional shape of the cylindrical shaft 92 includes an ellipse; the second region 102 can be wound on the column shaft 91, and the first region 101 can be wound on the opposite side of the cylindrical shaft 92. On the outer surface of the column shaft 91; the outer surface of the cylindrical shaft 92 includes a first surface region 921 and a second surface region 922, the first surface region 921 and the second surface region 922 are connected, the radius of curvature of the first surface region 921 is greater than the radius of curvature of the second surface region 922, and the radius of curvature of the second surface region 922 is greater than the cross-sectional radius of the column shaft 91; the third region 103 in the first region 101 can be wound around the first surface region 921, and the fourth region 104 in the first region 101 can be wound around the second surface region 922.

[0167] In some embodiments, the axial surfaces of the cylindrical shaft 92 and the column shaft 91 are in contact along the axial direction, and the cylindrical shaft 92 has a slit opening at the contact position with the column shaft 91. The display module can extend from the surface of the column shaft 91 to the surface of the cylindrical shaft 92 through the slit opening, so that the display module is wound on the column shaft 91 and then extends out from the slit opening and is wound onto the surface of the cylindrical shaft 92.

[0168] In some embodiments, referring to Figures 3a-3d, the length direction of the openings 200 in the first sub-part 211, the second sub-part 212, and the second support part 22 of the module is parallel to the axis of the roll 9. This arrangement enhances the winding capability of the support 2 and reduces the strain of the support 2 during winding.

[0169] In some embodiments, referring to FIG6, a schematic diagram of the support member track sliding structure in this embodiment is provided; wherein, a support member track sliding structure 18 is provided at the end position of the scroll 9, and a sliding post 24 is provided at the end position of the corresponding two ends of the scroll 9 of the support member 2. The sliding post 24 is embedded in the track sliding structure 18 and can slide along the track sliding structure 18, thereby ensuring the winding radius of the support member 2 on the scroll 9.

[0170] Based on the above-described structure of the display device, this disclosure also provides a driving method for the display device, comprising: when the display module in the display device is in an unfolded state, performing touch driving on a first part of the touch layer in the display module; and performing or not performing touch driving on a second part of the touch layer.

[0171] In some embodiments, when the display module is displayed in the unfolded state, the third part of the first part is touched; the second part and the fourth part of the first part are either touched or not touched.

[0172] In some embodiments, when the display module is displayed in a wound state, the third part of the touch layer wound on the outermost ring of the scroll is touched, and the fourth part of the touch layer wound on the outermost ring of the scroll is touched or not.

[0173] The display device provided in this embodiment has a first radius curved surface and a second radius curved surface on the scroll, with the first radius being larger than the second radius. Since the first area is wound on the first radius curved surface and the second area is wound on the second radius curved surface, when the display module in the display device is wound 360° or more, the strain accumulation of each film layer in the display module can be effectively reduced as the number of winding turns increases, thereby improving the winding performance of the display module. At the same time, since the modulus of the first support part in the display device is greater than that of the second support part, during the winding and unfolding process of the display module, the support performance of the first support part on the first area is higher than that of the second support part on the second area. Touch function is integrated at least in the first area, thereby improving the press touch operation performance of the first area.

[0174] The display device provided in this disclosure can be any product or component with display function, such as an OLED panel, OLED TV, OLED billboard, monitor, mobile phone, or navigator.

[0175] It is understood that the above embodiments are merely exemplary embodiments used to illustrate the principles of this disclosure, and this disclosure is not limited thereto. For those skilled in the art, various modifications and improvements can be made without departing from the spirit and substance of this disclosure, and these modifications and improvements are also considered to be within the scope of protection of this disclosure.

Claims

1. A display module having a display area, the display area including a first area and a second area, the first area and the second area being arranged along a first direction and connected to each other; in, The display module includes: a display panel, A touch layer is located on the display side of the display panel, and at least in the first area; A support member is located on the back side of the display panel; The support member includes a first support portion and a second support portion. The first support portion is located in the first area and can provide support thereto; The second support is located in the second area and can provide support thereto; The modulus of the first support part is greater than the modulus of the second support part; The first region can be wound around a curved surface with a first radius, and the second region can be wound around a curved surface with a second radius; the first radius is larger than the second radius.

2. The display module according to claim 1, wherein, The first area includes at least one third area and at least one fourth area. The third region and the fourth region are arranged alternately along the first direction, and any adjacent third region and fourth region are connected; The first support portion includes at least one first sub-part and at least one second sub-part. The first sub-part is located in the third region and can provide support thereto; The second sub-part is located in the fourth region and can provide support thereto; The modulus of the first sub-part is greater than the modulus of the second sub-part; The third region can be wound around a curved surface with a third radius, and the fourth region can be wound around a curved surface with a fourth radius; the third radius is larger than the fourth radius.

3. The display module according to claim 2, wherein, The fourth radius is greater than the second radius; The modulus of the second sub-part is greater than the modulus of the second support part.

4. The display module according to claim 2, wherein, The first support portion includes at least one support layer.

5. The display module according to claim 4, wherein, The first sub-part includes a first support layer and a second support layer, which are stacked sequentially in a direction away from the display panel; The second sub-section includes a third support layer and a fourth support layer, which are stacked sequentially in a direction away from the display panel; The first support portion further includes a connecting layer located between the first support layer and the second support layer and between the third support layer and the fourth support layer. The connecting layer is connected to the first support layer and the second support layer respectively, and the connecting layer is connected to the third support layer and the fourth support layer respectively.

6. The display module according to claim 1, wherein, The display area further includes a fifth area, located between the first area and the second area, and connected to both the first area and the second area respectively; The support member also includes a third support portion. The third support is located in the fifth zone and can provide support thereto; The modulus of the third support is greater than that of the second support and less than that of the first support, and the modulus of the third support gradually decreases along the direction from the first region to the second region.

7. The display module according to claim 1, wherein, The touch layer includes a first part and a second part, wherein the first part is located in the first area and the second part is located in the second area; The first part includes a first conductive layer and a second conductive layer, the first conductive layer and the second conductive layer are stacked sequentially in a direction away from the display panel, and a first insulating layer is disposed between them; The second part includes a third conductive layer, which is located in the same layer as the first conductive layer.

8. The display module according to claim 2, wherein, The touch layer includes a first part and a second part, wherein the first part includes at least one third part and at least one fourth part; The third part is located in the third zone, the fourth part is located in the fourth zone, and the second part is located in the second zone; The third part includes a first conductive layer and a second conductive layer, the first conductive layer and the second conductive layer are stacked sequentially in a direction away from the display panel, and a first insulating layer is disposed between them; The second part includes a third conductive layer, which is located in the same layer as the first conductive layer; The fourth part includes a fourth conductive layer, which is located in the same layer as the first conductive layer.

9. The display module according to claim 3, wherein, The first sub-section has multiple openings. The second sub-section has multiple openings. The second support section has multiple openings. The opening density in the first sub-section is less than the opening density in the second sub-section; The opening density in the second sub-part is less than the opening density in the second support part.

10. The display module according to claim 9, wherein, The shape of the opening includes a strip shape. The length directions of the openings in the first sub-part, the second sub-part, and the second support part are parallel to each other; The length direction of the openings in the first sub-part, the second sub-part, and the second support part intersects the first direction.

11. The display module according to claim 5, wherein, The first support layer has a planar shape, and the second support layer has multiple first openings. The third support layer has multiple second openings, and the fourth support layer has multiple third openings; The shapes of the first opening, the second opening, and the third opening include strip shapes. The length directions of the first opening, the second opening, and the third opening are parallel to each other and intersect the first direction; The second opening and the third opening are alternately arranged along the first direction in their orthographic projections on the display panel.

12. The display module according to claim 6, wherein, The first support portion has multiple openings. The second support section has multiple openings. The third support section has multiple openings. The opening density of the third support is greater than that of the first support and less than that of the second support. Along the direction from the first region to the second region, the opening density of the third support gradually increases.

13. The display module according to claim 1, wherein, The material of the support component includes any one of stainless steel, aluminum alloy, carbon fiber, and polymer materials.

14. The display module according to claim 7 or 8, wherein, The second conductive layer includes a plurality of first electrodes, a plurality of second electrodes, and a plurality of first bridge portions. The plurality of first electrodes are arranged in an array, and the plurality of second electrodes are arranged in an array; When the first electrode is located in an odd-numbered row, the second electrode is located in an even-numbered row; when the first electrode is located in an even-numbered row, the second electrode is located in an odd-numbered row; when the first electrode is located in an odd-numbered column, the second electrode is located in an even-numbered column; when the first electrode is located in an even-numbered column, the second electrode is located in an odd-numbered column. The first bridge portion is located between any two adjacent first electrodes along the row direction of the array, and the first bridge portion is connected to the two adjacent first electrodes; The first conductive layer includes a plurality of second bridge portions; The orthographic projection of the second bridge portion on the display panel is located between the orthographic projections of any two adjacent second electrodes on the display panel along the column direction of the array, and the second bridge portion is connected to the two adjacent second electrodes; The first bridge section and the second bridge section intersect in space; The first electrode in each row is connected to a first signal line, and the second electrode in each column is connected to a second signal line.

15. The display module according to claim 14, wherein, The third conductive layer includes multiple third electrodes and multiple fourth electrodes, multiple third signal lines and multiple fourth signal lines; The plurality of third electrodes are arranged in an array, and the plurality of fourth electrodes are arranged in an array; When the third electrode is located in an odd-numbered row, the fourth electrode is located in an even-numbered row; when the third electrode is located in an even-numbered row, the fourth electrode is located in an odd-numbered row; when the third electrode is located in an odd-numbered column, the fourth electrode is located in an even-numbered column; when the third electrode is located in an even-numbered column, the fourth electrode is located in an odd-numbered column. Each column of the third electrodes is connected to one of the third signal lines; An odd or even number of the fourth electrodes in each column are connected to one of the third signal lines; an even or odd number of the fourth electrodes in each column are connected to one of the fourth signal lines. The fourth signal line and the third signal line connected to the third electrode are parallel to each other, and their extension directions intersect the first direction; A portion of the third signal line connecting the fourth electrode is parallel to the fourth signal line, and another portion forms an angle greater than 0° with the extension direction of the fourth signal line, and the other portion intersects the first direction; The orthographic projections of the third signal line and the fourth signal line on the display panel do not overlap; The fourth conductive layer has the same structure as the third conductive layer.

16. The display module according to claim 14, wherein, The orthographic projection shape of the third electrode on the display panel includes any one of the following: rectangle, polygon, regular polygon, ellipse, and circle; The orthographic projection shape of the fourth electrode on the display panel includes any one of the following: rectangle, polygon, regular polygon, ellipse, and circle. The length direction of the maximum radial dimension of the orthogonal projection of the third electrode onto the display panel is parallel to the fourth signal line; The length direction of the maximum radial dimension portion of the orthographic projection of the fourth electrode onto the display panel is parallel to the fourth signal line.

17. A display device, wherein, Includes the display module as described in any one of claims 1-16; It also includes a scroll located on the side of the second area of ​​the display module away from the first area, the scroll having a curved surface with a first radius and a curved surface with a second radius, the first radius being larger than the second radius; The display module can be wound on the spool, and the second area can be wound on the curved surface of the second radius, while the first area can be wound on the curved surface of the first radius. The axis of the spool intersects the first direction in which the first and second zones are arranged.

18. The display device according to claim 17, wherein, The reel includes a cylindrical shaft and a tubular shaft, the cylindrical shaft being located within the tubular shaft, and the axes of the cylindrical shaft and the tubular shaft being parallel. The cross-sectional shape of the column shaft includes a circle; the cross-sectional shape of the cylindrical shaft includes an ellipse. The second section can be wound around the cylindrical shaft. The first region can be wound around the outer surface of the cylindrical shaft opposite to the column shaft; The outer surface of the cylindrical shaft includes a first surface area and a second surface area, which are connected. The radius of curvature of the first surface area is greater than that of the second surface area, and the radius of curvature of the second surface area is greater than that of the cross-sectional radius of the cylindrical shaft. The third region in the first region can be wound around the first surface region, and the fourth region in the first region can be wound around the second surface region.

19. The display device according to claim 18, wherein, The length direction of the openings in the first sub-section, the second sub-section, and the second support section of the display module is parallel to the axis of the scroll.

20. A driving method for a display device as described in any one of claims 17-19, wherein, include: When the display module in the display device is in the unfolded state, the first part of the touch layer in the display module is touched and driven. The second part of the touch layer may or may not be touch driven.

21. The driving method according to claim 20, wherein, When the display module is in the unfolded state, the third part of the first part is touched-driven. The second part and the fourth part of the first part may or may not be touch driven.

Images