Display module and display device

Abstract

This disclosure relates to the field of display technology, specifically to a display module and a display device. The display module includes: a display panel and a privacy film located on the light-emitting side of the display panel; the privacy film includes a first electrode layer, a second electrode layer, and a support layer located between the first and second electrode layers, with the first electrode layer located on the side of the second electrode layer away from the display panel; the support layer includes multiple privacy grooves, each containing an electrophoretic solution; the first electrode layer includes multiple common electrodes, which are reused as touch electrodes. This disclosure effectively solves the problems of complex overall structure and large thickness in existing display modules.

Description

Technical Field

[0001] This disclosure relates to the field of display technology, and more particularly to a display module and a display device. Background Technology

[0002] Privacy display technology is a special display technology that prevents others from peeking at the screen content from the side by limiting the screen's viewing angle. Electronic products using privacy display technology can make the screen content clearly visible only from a limited viewing angle directly facing the screen, while appearing blurry, darkened, or completely invisible from other viewing angles.

[0003] Existing privacy display devices suffer from complex overall structures and large thicknesses in order to achieve touch functionality. Summary of the Invention

[0004] In order to solve the above-mentioned technical problems, or at least partially solve the above-mentioned technical problems, this disclosure provides a display module and a display device, which effectively solves the problems of complex overall structure and large thickness of the display module in the prior art.

[0005] This disclosure provides a display module, including: a display panel and a privacy film located on the light-emitting side of the display panel; the privacy film includes a first electrode layer, a second electrode layer, and a support layer located between the first electrode layer and the second electrode layer, wherein the first electrode layer is located on the side of the second electrode layer away from the display panel; the support layer includes a plurality of privacy grooves, wherein an electrophoretic liquid is disposed in the privacy grooves; the first electrode layer includes a plurality of common electrodes, wherein the common electrodes are reused as touch electrodes.

[0006] This disclosure also provides a display device including the above-described display module.

[0007] The technical solution provided in this disclosure has the following advantages compared with the prior art: The display module disclosed herein includes a privacy film, which comprises a first electrode layer, a second electrode layer, and a support layer located between the first and second electrode layers. The support layer includes multiple privacy grooves, each containing an electrophoretic fluid. The first electrode layer includes multiple common electrodes. In privacy mode, the electric field formed by the common electrodes of the opposing first electrode layer and the first driving electrode in the second electrode layer controls the distribution of electrophoretic particles in the electrophoretic fluid throughout the privacy grooves. This prevents wide-angle light emitted from sub-pixels in the display panel from being absorbed by the electrophoretic particles, allowing only narrow-angle light to escape normally, thus achieving privacy protection. In non-privacy mode, the electric field formed by the common electrodes of the opposing first electrode layer and the first driving electrode in the second electrode layer controls the adsorption of electrophoretic particles in the electrophoretic fluid near the electrodes in the second electrode layer. This prevents wide-angle light emitted from sub-pixels in the display panel from reaching the electrophoretic particles in the electrophoretic fluid, allowing both wide-angle and narrow-angle light to escape normally, thus achieving normal display. When transmitting a common voltage signal to the common electrode, the privacy film located on one side of the light-emitting surface of the display panel can be used to achieve privacy mode display and non-privacy mode display. Simultaneously, the common electrode is reused as a touch electrode; when a touch voltage is transmitted to the common electrode, touch functionality can be achieved. Furthermore, there is no need to add an additional film layer for the touch electrode, which helps to reduce the thickness of the display module.

[0008] Correspondingly, the display device provided in this disclosure also has the above-mentioned technical effects. Attached Figure Description

[0009] The accompanying drawings, which are incorporated in and form a part of this specification, illustrate embodiments consistent with this disclosure and, together with the description, serve to explain the principles of this disclosure.

[0010] To more clearly illustrate the technical solutions in the embodiments of this disclosure or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0011] Figure 1 This is a planar schematic diagram of a display module provided in this disclosure; Figure 2 yes Figure 1 An enlarged schematic diagram of part A in the aforementioned display module; Figure 3 yes Figure 2 A cross-sectional view of the display module along B-B' in non-peeping mode; Figure 4 yes Figure 2 A cross-sectional view of the display module along B-B' in privacy mode; Figure 5 yes Figure 1 Another enlarged schematic diagram of part A in the aforementioned display module; Figure 6 yes Figure 1 Another enlarged schematic diagram of part A in the aforementioned display module; Figure 7 yes Figure 6 A cross-sectional view of the display module along C-C' in non-peeping mode; Figure 8 yes Figure 6 A cross-sectional view of the display module along C-C' in privacy mode; Figure 9 This is a plan view of a display device provided in this disclosure. Detailed Implementation

[0012] To better understand the above-mentioned objectives, features, and advantages of this disclosure, the solutions disclosed herein will be further described below. It should be noted that, unless otherwise specified, the embodiments and features described herein can be combined with each other.

[0013] Numerous specific details are set forth in the following description in order to provide a full understanding of this disclosure, but this disclosure may also be implemented in other ways different from those described herein; obviously, the embodiments in the specification are only some, and not all, of the embodiments of this disclosure.

[0014] Figure 1 This is a plan view of a display module provided in this disclosure. Figure 2 yes Figure 1 An enlarged schematic diagram of section A in the aforementioned display module. Figure 3 yes Figure 2 A cross-sectional view of the display module along B-B' in non-peeping mode. Figure 4 yes Figure 2 A cross-sectional view of the display module along B-B' in privacy mode, for reference. Figures 1-4 This disclosure provides a display module, which includes a display panel 10 and a privacy film 20 located on the light-emitting side of the display panel 10. The privacy film 20 includes a first electrode layer 21, a second electrode layer 22 disposed opposite to each other, and a support layer 23 located between the first electrode layer 21 and the second electrode layer 22. The first electrode layer 21 is located on the side of the second electrode layer 22 away from the display panel 10. The support layer 23 includes multiple privacy grooves 231, and electrophoretic solution 2311 is disposed in the privacy grooves 231; The first electrode layer 21 includes multiple common electrodes 211, which are reused as touch electrodes 212.

[0015] Specifically, this disclosure provides a display module, which includes a display panel 10 and a privacy film 20, the privacy film being located on one side of the light-emitting surface of the display panel 10. It should be noted that the display panel 10 can be a liquid crystal display panel or an organic light-emitting display panel. Of course, in other embodiments of this disclosure, the display panel can also be configured as other types of display panels as needed, which will not be elaborated upon here.

[0016] The privacy screen protector 20 includes a first electrode layer 21, a second electrode layer 22, and a support layer 23 disposed opposite to each other. The first electrode layer 21 is located on the side of the second electrode layer 22 away from the display panel 10. The support layer 23 includes multiple privacy grooves 231, each containing an electrophoretic solution 2311. Optionally, the electrophoretic solution 2311 contains electrophoretic particles, which can be dark-colored light-absorbing particles such as black, including graphite carbon particles. The first electrode layer 21 includes multiple common electrodes 211. In privacy mode, such as... Figure 4 As shown, the electric field formed by the common electrode 211 of the first electrode layer 21 and the first driving electrode 221 in the second electrode layer 22 controls the distribution of electrophoretic particles in the electrophoretic liquid 2311 throughout the privacy bay 231. This prevents wide-angle light emitted from the sub-pixels 11 in the display panel 10 from being absorbed by the electrophoretic particles, allowing only narrow-angle light to escape normally, thus achieving privacy protection. In non-privacy mode, as... Figure 3 As shown, the electric field formed by the common electrode 211 of the first electrode layer 21 and the first driving electrode 221 in the second electrode layer 22 controls the adsorption of electrophoretic particles in the electrophoretic liquid 2311 near the electrode in the second electrode layer 22. This prevents wide-angle light emitted from the sub-pixels 11 in the display panel 10 from hitting the electrophoretic particles in the electrophoretic liquid 2311, allowing both wide-angle and narrow-angle light to exit normally, thus achieving normal display. When transmitting a common voltage signal to the common electrode 211, the privacy film 20 on one side of the light-emitting surface of the display panel 10 can be used to achieve privacy mode display and non-privacy mode display. Simultaneously, the common electrode 211 is reused as a touch electrode 212; when a touch voltage is transmitted to the common electrode 211, touch functionality can be achieved. Furthermore, there is no need to add an additional film layer for the touch electrode, which helps reduce the thickness of the display module.

[0017] Optionally, the privacy film 20 further includes a first substrate 24, and the first electrode layer 21 may be disposed on the side of the first substrate 24 facing the display panel 10. Optionally, the first substrate 24 may be a rigid substrate, such as a glass substrate. The first substrate 24 may also be a flexible substrate, such as a polyimide substrate.

[0018] Figure 5 yes Figure 1Another enlarged schematic diagram of part A in the aforementioned display module. Figure 2 To clearly illustrate the relationship between sub-pixels and the common electrode, the structure of the privacy screen is not shown. The structure of the privacy screen can be found in [reference needed]. Figure 5 The structure of the privacy screen should be designed accordingly, please refer to [reference needed]. Figures 1-5 In some alternative embodiments, the display panel 10 includes a plurality of sub-pixels 11; The vertical projection of subpixel 11 onto the plane of display panel 10 lies within the grid formed by the vertical projection of privacy groove 231 onto the plane of display panel 10.

[0019] Specifically, the privacy screen 231 has a mesh structure, and the display panel 10 includes multiple sub-pixels 11. The vertical projection of the sub-pixels 11 onto the plane of the display panel 10 lies within the mesh formed by the vertical projection of the privacy screen 231 onto the plane of the display panel 10. Thus, in privacy mode, the electric field formed by the common electrode 211 of the relatively disposed first electrode layer 21 and the first driving electrode 221 in the second electrode layer 22 controls the distribution of electrophoretic particles in the electrophoretic liquid 2311 throughout the privacy screen 231. As a result, the wide-angle light emitted by each sub-pixel 11 in the display panel 10 is absorbed by the electrophoretic particles in the privacy screen 231 surrounding it and cannot be emitted, while only the small-angle light can be emitted normally, thereby achieving privacy.

[0020] It should be noted that, Figure 5 The example illustrates a one-to-one correspondence between the vertical projection of sub-pixel 11 onto the plane of display panel 10 and the grid formed by the vertical projection of privacy groove 231 onto the plane of display panel 10. The vertical projection of sub-pixel 11 onto the plane of display panel 10 is located within the grid formed by the vertical projection of privacy groove 231 onto the plane of display panel 10. In other embodiments of this disclosure, the vertical projection of sub-pixel 11 onto the plane of display panel 10 and the grid formed by the vertical projection of privacy groove 231 onto the plane of display panel 10 may also adopt other correspondence methods. For example, in the grid formed by the vertical projection of privacy groove 231 onto the plane of display panel 10, one grid corresponds to three vertical projections of sub-pixel 11 onto the plane of display panel 10, etc. This disclosure will not elaborate further here.

[0021] Continue to refer to Figures 1-5 In some optional embodiments, the second electrode layer 22 includes a first driving electrode 221, which is a mesh structure; The vertical projection of the first driving electrode 221 onto the plane of the display panel 10 is located within the vertical projection of the privacy groove 231 onto the plane of the display panel 10.

[0022] Specifically, the privacy screen 231 has a mesh structure, and the second electrode layer 22 includes a first driving electrode 221, which also has a mesh structure. The vertical projection of the first driving electrode 221 onto the plane of the display panel 10 lies within the vertical projection of the privacy screen 231 onto the plane of the display panel 10. Correspondingly, the vertical projection of the sub-pixel 11 onto the plane of the display panel 10 lies within the mesh formed by the vertical projection of the first driving electrode 221 onto the plane of the display panel 10. Thus, in privacy mode, the electric field formed by the common electrode 211 of the relatively set first electrode layer 21 and the first driving electrode 221 in the second electrode layer 22 can control the electrophoretic particles in the electrophoretic liquid 2311 to be evenly distributed throughout the privacy screen 231. This ensures that there are evenly distributed electrophoretic particles in all parts of the privacy screen 231, thereby ensuring that the wide-angle light emitted by each sub-pixel 11 in the display panel 10 is absorbed by the electrophoretic particles in the privacy screen 231 surrounding it and cannot be emitted. Only the small-angle light can be emitted normally, thus achieving privacy.

[0023] Continue to refer to Figures 1-4 In some optional embodiments, the touch electrode 212 includes a touch sensing electrode 2121 and a touch driving electrode 2122. The touch sensing electrode 2121 and the touch driving electrode 2122 are insulated from each other. Touch driving electrodes 2122 arranged in the same column along the first direction X are connected by a first connecting line 213, and touch sensing electrodes 2121 arranged in the same row along the second direction Y are connected by a second connecting line 214. The second connecting line 214 is located in the first electrode layer 21, and the first connecting line 213 is a conductive bridge located in a different film layer from the first electrode layer 21. The first direction X and the second direction Y intersect. Optionally, the first direction X and the second direction Y are perpendicular.

[0024] A first gap 215 is provided between two adjacent touch electrodes 212. The vertical projection of the first gap 215 on the plane where the display panel 10 is located overlaps with the vertical projection of the sub-pixel 11 on the plane where the display panel 10 is located.

[0025] Specifically, the touch electrode 212 includes a touch sensing electrode 2121 and a touch driving electrode 2122. A gap is provided between the touch sensing electrode 2121 and the touch driving electrode 2122 to isolate them from each other, thereby achieving mutual insulation between the touch sensing electrode 2121 and the touch driving electrode 2122. The touch driving electrodes 2122 arranged in the same column along the first direction X are connected by a first connecting line 213 to form a driving line. The touch sensing electrodes 2121 arranged in the same row along the second direction Y are connected by a second connecting line 214 to form a sensing line. Since the first connecting line 213 and the second connecting line 214 must have a crossing position, in order to achieve mutual insulation between the two, the second connecting line 214 is located in the first electrode layer 21, and the first connecting line 213 is a conductive bridge located in a different film layer from the first electrode layer 21.

[0026] During the touch detection phase, a driving signal is applied to the touch driving electrode 2122. When the object being pointed at (usually a finger) touches the surface of the display module, a portion of the current flows into the finger, and the capacitance value of the mutual capacitance between the touch sensing electrode 2121 and the touch driving electrode 2122 decreases. Then, the touch sensing electrode 2121 detects the slight change in current caused by the change in mutual capacitance, thereby determining the location where the touch operation occurred.

[0027] A first gap 215 is provided between two adjacent touch electrodes 212. The vertical projection of the first gap 215 on the plane of the display panel 10 overlaps with the vertical projection of the sub-pixel 11 on the plane of the display panel 10. That is, the first gap 215 is set at the corresponding position of the sub-pixel 11. Since the vertical projection of the sub-pixel 11 on the plane of the display panel 10 is located within the grid formed by the vertical projection of the privacy groove 231 on the plane of the display panel 10, the overlap area of ​​the first gap 215 and the vertical projection of the privacy groove 231 on the plane of the display panel 10 can be reduced. This avoids affecting the driving of electrophoretic particles in the electrophoretic liquid 2311 in the privacy groove 231, thereby reducing the impact on the privacy effect when the common electrode 211 is reused as a touch electrode 212, and effectively improving the privacy effect.

[0028] Continue to refer to Figures 1-5 In some alternative embodiments, the vertical projection of the first connecting line 213 on the plane where the display panel 10 is located does not overlap with the vertical projection of the privacy grille 231 on the plane where the display panel 10 is located.

[0029] Specifically, the second connecting line 214 is located on the first electrode layer 21, and the first connecting line 213 is a conductive bridge located on a different film layer than the first electrode layer 21. Since the first connecting line 213 and the second connecting line 214 inevitably intersect, parasitic capacitance is easily formed at this location. The vertical projection of the first connecting line 213 on the plane of the display panel 10 does not overlap with the vertical projection of the privacy groove 231 on the plane of the display panel 10. That is, the intersection of the first connecting line 213 and the second connecting line 214 can avoid the location of the privacy groove 231, thereby preventing parasitic capacitance from coupling into the electrophoretic solution 2311 of the privacy groove 231 and affecting the normal movement trajectory of the electrophoretic particles in the electrophoretic solution 2311. This reduces the impact on the privacy effect when the common electrode 211 is reused as the touch electrode 212, effectively improving the privacy effect.

[0030] Figure 6 yes Figure 1 Another enlarged schematic diagram of part A in the aforementioned display module. Figure 7 yes Figure 6 A cross-sectional view of the display module along C-C' in non-peeping mode. Figure 8 yes Figure 6 A cross-sectional view of the display module along C-C' in privacy mode, for reference. Figure 1 , Figures 6-8 In some alternative embodiments, the touch electrode 212 is provided with at least one cutout portion 216, and the vertical projection of the cutout portion 216 on the plane where the display panel 10 is located overlaps at least partially with the vertical projection of the sub-pixel 11 on the plane where the display panel 10 is located.

[0031] Specifically, the touch electrode 212 has at least one hollow portion 216, which reduces the area of ​​the touch electrode 212, thus reducing the load on the touch electrode 212. This results in less signal transmission delay and less waveform distortion on the touch electrode 212, allowing the touch chip to capture even weaker capacitance changes, thereby improving the touch sensing signal-to-noise ratio and making the touch response more sensitive and the positioning more accurate. At the same time, the vertical projection of the hollow portion 216 on the plane of the display panel 10 at least partially overlaps with the vertical projection of the sub-pixel 11 on the plane of the display panel 10. This means that the hollow portion 216 can be set at corresponding positions of some sub-pixels 11, which helps to improve the light transmittance of the display module and improve the display effect. Furthermore, the vertical projection of the cutout portion 216 onto the plane of the display panel 10 does not overlap with the vertical projection of the privacy groove 231 onto the plane of the display panel 10. This ensures that a common electrode 211 is provided at the corresponding location of the privacy groove 231, preventing the cutout portion 216 from affecting the driving of electrophoretic particles in the electrophoretic liquid 2311 in the privacy groove 231. This reduces the impact on the privacy effect when the common electrode 211 is reused as a touch electrode 212, effectively improving the privacy effect.

[0032] Continue to refer to Figure 1 , Figures 6-8 In some alternative embodiments, the cutout portion 216 is connected to the first gap 215.

[0033] Specifically, a portion of the first gap 215 can be reused to create a hollowed-out portion 216, thereby increasing the size of the gap between adjacent touch electrodes 212. This helps to increase the electric field range between the touch sensing electrode 2121 and the touch driving electrode 2122, thus increasing the electric field strength between them. Consequently, the electrode becomes more sensitive to changes in the electric field when touched by a finger, improving touch accuracy. Simultaneously, the hollowed-out portion 216 is not provided in areas of the touch electrode 212 other than the first gap 215, ensuring that the touch electrode 212 maintains a continuous, large-area conductive structure. This avoids the problem of a small area of ​​the touch electrode 212 resulting in a weak sensing signal strength, ensuring effective touch control.

[0034] Continue to refer to Figure 1 , Figures 6-8 In some alternative embodiments, sub-pixel 11 includes red sub-pixel 111, green sub-pixel 112 and blue sub-pixel 113; The display panel 10 includes a plurality of repeating units 101 arranged in an array along a third direction a and a fourth direction b. Each repeating unit 101 includes a first sub-unit 1011 and a second sub-unit 1012 arranged along the third direction a. The first sub-unit 1011 includes red sub-pixels 111 and green sub-pixels 112 arranged along the fourth direction b, and the second sub-unit 1012 includes green sub-pixels 112 and blue sub-pixels 113 arranged along the fourth direction b. The third direction a and the fourth direction b intersect. Optionally, the third direction a and the fourth direction b are perpendicular.

[0035] Specifically, the display panel 10 includes a plurality of repeating units 101 arranged in an array along a third direction a and a fourth direction b. Each repeating unit 101 includes a first sub-unit 1011 and a second sub-unit 1012 arranged along the third direction a. The first sub-unit 1011 includes a red sub-pixel 111 and a green sub-pixel 112 arranged along the fourth direction b. The second sub-unit 1012 includes a green sub-pixel 112 and a blue sub-pixel 113 arranged along the fourth direction b, thereby realizing the display of color images in the display module.

[0036] It is understood that this embodiment exemplarily illustrates a sub-pixel 11 including red sub-pixel 111, green sub-pixel 112 and blue sub-pixel 113, and an arrangement of red sub-pixel 111, green sub-pixel 112 and blue sub-pixel 113. In other embodiments of this disclosure, sub-pixel 11 may also include sub-pixels of other colors, and sub-pixel 11 may also adopt other arrangement methods, which will not be described in detail here.

[0037] Continue to refer to Figure 1 , Figures 6-8 In some optional embodiments, the vertical projection of the first gap 215 on the plane where the display panel 10 is located overlaps with the vertical projection of the green sub-pixel 112 on the plane where the display panel 10 is located, and the vertical projection of the first gap 215 on the plane where the display panel 10 is located overlaps with the vertical projection of the blue sub-pixel 113 on the plane where the display panel 10 is located.

[0038] Specifically, the vertical projection of the first gap 215 onto the plane of the display panel 10 overlaps with the vertical projection of the green sub-pixel 112 onto the plane of the display panel 10, and the vertical projection of the first gap 215 onto the plane of the display panel 10 overlaps with the vertical projection of the blue sub-pixel 113 onto the plane of the display panel 10. This allows the first gap 215 to be set along the arrangement direction of the green sub-pixel 112 and the blue sub-pixel 113, which facilitates the setting of the first gap 215 between two adjacent touch electrodes 212. A first gap 215 is provided at the corresponding position of the sub-pixel 113. Since the vertical projection of the sub-pixel 11 on the plane of the display panel 10 is located within the grid formed by the vertical projection of the privacy groove 231 on the plane of the display panel 10, the overlap area between the first gap 215 and the vertical projection of the privacy groove 231 on the plane of the display panel 10 can be reduced. This avoids affecting the driving of electrophoretic particles in the electrophoretic liquid 2311 in the privacy groove 231, thereby reducing the impact on the privacy effect when the common electrode 211 is reused as the touch electrode 212, and effectively improving the privacy effect.

[0039] Meanwhile, the green sub-pixel 112 is the main source of human eye brightness perception. The vertical projection of the first gap 215 on the plane of the display panel 10 overlaps with the vertical projection of the green sub-pixel 112 on the plane of the display panel 10, which helps to improve the light transmittance of the green sub-pixel 112, thereby improving the display effect.

[0040] It should be noted that, exemplarily, this embodiment of the present disclosure shows that a first gap 215 can be set along the arrangement direction of the green sub-pixel 112 and the blue sub-pixel 113, so that the vertical projection of the first gap 215 on the plane of the display panel 10 overlaps with the vertical projection of the green sub-pixel 112 on the plane of the display panel 10, and the vertical projection of the first gap 215 on the plane of the display panel 10 overlaps with the vertical projection of the blue sub-pixel 113 on the plane of the display panel 10. In other embodiments of the present disclosure, the first gap 215 can also be set along the arrangement direction of the green sub-pixel 112 and the red sub-pixel 111, so that the vertical projection of the first gap 215 on the plane of the display panel 10 overlaps with the vertical projection of the green sub-pixel 112 on the plane of the display panel 10, and the vertical projection of the first gap 215 on the plane of the display panel 10 overlaps with the vertical projection of the red sub-pixel 111 on the plane of the display panel 10. Further details will not be elaborated upon here.

[0041] Continue to refer to Figure 1 , Figures 6-8 In some alternative embodiments, the vertical projection of at least one cutout portion 216 onto the plane of the display panel 10 at least partially overlaps with the vertical projection of the green sub-pixel 112 onto the plane of the display panel 10. The vertical projection of at least one cutout portion 216 onto the plane of the display panel 10 at least partially overlaps with the vertical projection of the blue sub-pixel 113 onto the plane of the display panel 10.

[0042] Specifically, the touch electrode 212 is provided with at least one hollow portion 216. The hollow portion 216 can be provided in a portion of the first gap 215, thereby increasing the size of the gap between adjacent touch electrodes 212. This is beneficial to increase the electric field range between the touch sensing electrode 2121 and the touch driving electrode 2122, thereby increasing the electric field strength between the touch sensing electrode 2121 and the touch driving electrode 2122. As a result, the electrode is more sensitive to changes in the electric field when touched by a finger, which is beneficial to improving touch accuracy. Since the vertical projection of the first gap 215 on the plane of the display panel 10 partially overlaps with the vertical projection of the green sub-pixel 112 on the plane of the display panel 10, and the vertical projection of the first gap 215 on the plane of the display panel 10 partially overlaps with the vertical projection of the blue sub-pixel 113 on the plane of the display panel 10, that is, the first gap 215 is set along the arrangement direction of the green sub-pixel 112 and the blue sub-pixel 113, so that the vertical projection of at least one hollow portion 216 on the plane of the display panel 10 at least partially overlaps with the vertical projection of the green sub-pixel 112 on the plane of the display panel 10, and the vertical projection of at least one hollow portion 216 on the plane of the display panel 10 at least partially overlaps with the vertical projection of the blue sub-pixel 113 on the plane of the display panel 10, the hollow portion 216 can be reused, thereby increasing the size of the gap between adjacent touch electrodes 212.

[0043] Meanwhile, no cutout portion 216 is provided in the non-first gap 215 of the touch electrode 212. That is, at this time, the vertical projection of the cutout portion 216 on the plane of the display panel 10 does not overlap with the vertical projection of the red sub-pixel 111 on the plane of the display panel 10. This ensures that the touch electrode 212 maintains a continuous large-area conductive structure, thereby avoiding the problem that the area of ​​the touch electrode 212 is too small, which would result in a small sensing signal strength and ensure the touch effect.

[0044] It should be noted that, exemplarily, this embodiment illustrates that a first gap 215 can be provided along the arrangement direction of the green sub-pixel 112 and the blue sub-pixel 113, such that the vertical projection of the first gap 215 on the plane of the display panel 10 partially overlaps with the vertical projection of the green sub-pixel 112 on the plane of the display panel 10, and the vertical projection of the first gap 215 on the plane of the display panel 10 partially overlaps with the vertical projection of the blue sub-pixel 113 on the plane of the display panel 10. Correspondingly, the vertical projection of at least one cutout portion 216 on the plane of the display panel 10 at least partially overlaps with the vertical projection of the green sub-pixel 112 on the plane of the display panel 10, and the vertical projection of at least one cutout portion 216 on the plane of the display panel 10 at least partially overlaps with the vertical projection of the blue sub-pixel 113 on the plane of the display panel 10. In other embodiments of this disclosure, a first gap 215 may be provided along the arrangement direction of the green sub-pixel 112 and the red sub-pixel 111, such that the vertical projection of the first gap 215 on the plane of the display panel 10 partially overlaps with the vertical projection of the green sub-pixel 112 on the plane of the display panel 10, and the vertical projection of the first gap 215 on the plane of the display panel 10 partially overlaps with the vertical projection of the red sub-pixel 111 on the plane of the display panel 10. Correspondingly, the vertical projection of at least one hollow portion 216 on the plane of the display panel 10 at least partially overlaps with the vertical projection of the green sub-pixel 112 on the plane of the display panel 10, and the vertical projection of at least one hollow portion 216 on the plane of the display panel 10 at least partially overlaps with the vertical projection of the red sub-pixel 111 on the plane of the display panel 10. This will not be described in detail here.

[0045] like Figure 9 As shown, Figure 9 This is a plan view of a display device provided in this disclosure. The present disclosure also provides a display device 1000, including the display module 100 provided in any of the above embodiments. Figure 9 The provided embodiments use mobile phones as an example to illustrate the display device. It is understood that the display device provided in the embodiments of this disclosure can be any electronic product with display function, including but not limited to the following categories: mobile phones, televisions, laptops, desktop monitors, tablets, digital cameras, smart bracelets, smart glasses, in-vehicle displays, medical devices, industrial control equipment, touch interactive terminals, etc. The embodiments of this disclosure do not make any special limitations on this.

[0046] The display device 1000 provided in this embodiment has the same technical features as the display module 100 provided in the above embodiment, so it can also solve the same technical problems and achieve the same technical effects.

[0047] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0048] The above description is merely a specific embodiment of this disclosure, enabling those skilled in the art to understand or implement it. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this disclosure. Therefore, this disclosure is not to be limited to the embodiments described herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A display module, characterized in that, include: Display panel and privacy film located on the light-emitting side of the display panel; The privacy film includes a first electrode layer, a second electrode layer, and a support layer located between the first electrode layer and the second electrode layer, wherein the first electrode layer is located on the side of the second electrode layer away from the display panel; The support layer includes multiple privacy grooves, and the privacy grooves are filled with electrophoretic solution; The first electrode layer includes multiple common electrodes, which are reused as touch electrodes.

2. The display module according to claim 1, characterized in that, The display panel includes multiple sub-pixels; The vertical projection of the sub-pixel onto the plane of the display panel lies within the grid formed by the vertical projection of the privacy grille onto the plane of the display panel.

3. The display module according to claim 2, characterized in that, The touch electrode includes a touch sensing electrode and a touch driving electrode. The touch sensing electrode and the touch driving electrode are insulated from each other. The touch driving electrodes arranged in the same column along a first direction are connected by a first connecting line. The touch sensing electrodes arranged in the same row along a second direction are connected by a second connecting line. The second connecting line is located in the first electrode layer. The first connecting line is a conductive bridge located in a different film layer from the first electrode layer. The first direction and the second direction intersect. A first gap is provided between two adjacent touch electrodes, and the vertical projection of the first gap onto the plane of the display panel overlaps with the vertical projection of the sub-pixel onto the plane of the display panel.

4. The display module according to claim 3, characterized in that, The touch electrode has at least one hollow portion, and the vertical projection of the hollow portion onto the plane of the display panel at least partially overlaps with the vertical projection of the sub-pixel onto the plane of the display panel.

5. The display module according to claim 4, characterized in that, The hollowed-out portion is connected to the first gap.

6. The display module according to claim 5, characterized in that, The sub-pixels include red sub-pixels, green sub-pixels, and blue sub-pixels; The display panel includes a plurality of repeating units arranged in an array along a third direction and a fourth direction. Each repeating unit includes a first sub-unit and a second sub-unit arranged along the third direction. The first sub-unit includes the red sub-pixel and the green sub-pixel arranged along the fourth direction. The second sub-unit includes the green sub-pixel and the blue sub-pixel arranged along the fourth direction. The third direction and the fourth direction intersect.

7. The display module according to claim 6, characterized in that, The vertical projection of the first gap onto the plane of the display panel overlaps with the vertical projection of the green sub-pixel onto the plane of the display panel, and the vertical projection of the first gap onto the plane of the display panel overlaps with the vertical projection of the blue sub-pixel onto the plane of the display panel.

8. The display module according to claim 6, characterized in that, At least one of the cutout portions has its vertical projection on the plane of the display panel at least partially overlapping with the vertical projection of the green sub-pixel on the plane of the display panel; At least one of the cutout portions has its vertical projection on the plane of the display panel at least partially overlapping with the vertical projection of the blue sub-pixel on the plane of the display panel.

9. The display module according to claim 3, characterized in that, The vertical projection of the first connecting line onto the plane of the display panel does not overlap with the vertical projection of the privacy grille onto the plane of the display panel.

10. The display module according to claim 2, characterized in that, The second electrode layer includes a first driving electrode, which has a mesh-like structure; The vertical projection of the first driving electrode onto the plane of the display panel is located within the vertical projection of the privacy grille onto the plane of the display panel.

11. A display device, characterized in that, The display device includes the display module according to any one of claims 1-10.

Images