CN111128030B - Display module and display device - Google Patents
Display module and display device Download PDFInfo
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- CN111128030B CN111128030B CN202010001547.9A CN202010001547A CN111128030B CN 111128030 B CN111128030 B CN 111128030B CN 202010001547 A CN202010001547 A CN 202010001547A CN 111128030 B CN111128030 B CN 111128030B
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
Abstract
The invention discloses a display module and a display device, which relate to the technical field of display and comprise a flattening state and a bending state; the first region is connected with the second region through the first bending part, and the second region is connected with the third region through the second bending part; the first bending part is bent to form a first end part, and the second bending part is bent to form a second end part; the minimum bending curvature radius of the first end part is larger than that of the second end part; in a bent state, a first tangent plane and a second tangent plane tangent to the first end are respectively parallel to a plane where the first area is located, the distance between the first tangent plane and the second tangent plane is H1, the distance between the surface of the first area far away from the second area and the surface of the third area far away from the second area is H2, and H1 is not less than H2. This application sets up the minimum curvature radius of buckling that first end is greater than the curvature radius of buckling of second end to reduce the thickness of display module assembly under the state of buckling.
Description
Technical Field
The application relates to the technical field of display, in particular to a display module and a display device.
Background
With the development of science and technology, portable devices have become a new development trend in modern society, gradually change the lives of human beings, and bring about great changes to science and technology.
The flexible display device is more and more popular among users with advantages of being foldable, convenient to carry, wide in application range and the like, and can provide brand-new viewing experience for the users. However, in the prior art, due to the limitation of the module material and the thickness, the limit bending radius of the folding screen cannot be further reduced, so that the thickness of the folding screen is large when the folding screen is in a bending state, the folding screen is not convenient for a user to carry, and the user experience is poor.
Disclosure of Invention
In view of this, the present application provides a display module and a display device, in which the minimum bending curvature radius of the first end portion is larger than the bending curvature radius of the second end portion, so as to reduce the thickness of the display module in the bending state.
The application has the following technical scheme:
in a first aspect, the present application provides a display module, including a display panel, where the display module includes a flat state and a bent state;
the display module comprises a first area, a second area, a third area, a first bending part and a second bending part;
in the flattened state, the second region is located between the first region and the third region in a first direction;
the first region is connected to the second region by the first bend, and the second region is connected to the third region by the second bend; wherein the content of the first and second substances,
in the bent state, the second area is located between the first area and the third area along the thickness direction of the display module;
in the bending state, the first bending part is bent to form a first end part, and the second bending part is bent to form a second end part; the minimum bending curvature radius of the first end part is R1, the bending curvature radius of the second end part is R2, and R1 is more than R2;
in the bent state, each section tangent to the first end comprises a first section and a second section which are opposite to each other in the thickness direction of the display module, the first section and the second section are respectively parallel to the plane of the first area, the distance between the first section and the second section is H1, the distance between the surface of the first area far away from the second area and the surface of the third area far away from the second area is H2, and H1 is not less than H2.
In a second aspect, the present application further provides a display device, which includes a display module, where the display module is the display module provided in the present application.
Compared with the prior art, the display module and the display device provided by the invention at least realize the following beneficial effects:
(1) in the display module and the display device provided by the invention, the display module forms an asymmetric drop-shaped arc when being bent along the first bending part, the second end part forms a regular arc, and the minimum bending curvature radius R1 of the first end part is larger than the bending curvature radius R2 of the second end part, so that the thickness of the display module in a bending state is favorably reduced, the carrying by a user is facilitated, and the user experience effect is favorably improved.
(2) In the display module and the display device provided by the invention, the vertical distance H1 between the first tangent plane and the second tangent plane is set, and is greater than or equal to the distance H2 between the side surface of the first region far away from the second region and the side surface of the third region far away from the second region, so that the bottom surface of the second end part can not exceed the bottom surface of the first end part in a bending state, the thickness of the display module in the bending state is equal to the height of the first end part, and the problem of poor user experience effect caused by over-thick thickness of the display module in the bending state is avoided.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a top view of a prior art folding screen;
FIG. 2 is a side view of the folding screen of FIG. 1 in a folded condition;
fig. 3 is a top view of the display module according to the embodiment of the present disclosure in a display-extended state;
fig. 4 is a top view of the display module provided in the embodiment of the present application in a bent state;
FIG. 5 is a BB' cross-sectional view of the display module in the bent state shown in FIG. 4;
FIG. 6 is an enlarged schematic view of a first end portion provided in accordance with an embodiment of the present application;
FIG. 7 is a cross-sectional view DD' of the display module shown in FIG. 3;
FIG. 8 is another enlarged schematic view of a first end portion provided in accordance with an embodiment of the present application;
FIG. 9 is a cross-sectional view of another DD' of the display module of FIG. 3;
FIG. 10 is a cross-sectional view of another DD' of the display module of FIG. 3;
FIG. 11 is a cross-sectional view of another DD' of the display module shown in FIG. 3;
FIG. 12 is a cross-sectional view of another DD' of the display module of FIG. 3;
fig. 13 is a schematic structural diagram illustrating a position of the assembly portion according to the embodiment of the present application;
fig. 14 is a schematic view illustrating another position structure of the assembly portion according to the embodiment of the present application;
fig. 15 is a schematic structural diagram of a display device according to an embodiment of the present disclosure.
Detailed Description
As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, within which a person skilled in the art can solve the technical problem to substantially achieve the technical result. Furthermore, the term "coupled" is intended to encompass any direct or indirect electrical coupling. Thus, if a first device couples to a second device, that connection may be through a direct electrical coupling or through an indirect electrical coupling via other devices and couplings. The description which follows is a preferred embodiment of the present application, but is made for the purpose of illustrating the general principles of the application and not for the purpose of limiting the scope of the application. The protection scope of the present application shall be subject to the definitions of the appended claims. The same parts between the embodiments are not described in detail.
Fig. 1 is a top view of a folding screen in the prior art, fig. 2 is a side view of the folding screen in fig. 1 in a folded state, please refer to fig. 1 and fig. 2, a z-type folding screen includes a first region 110, a second region 120, a third region 130, a first folding portion 140 and a second folding portion 150, the first region 110 and the second region 120 are connected by the first folding portion 140, the second region 120 and the third region 130 are connected by the second folding portion 150, and in the folded state, display surfaces of the second region 120 and the third region 130 are both located inside the folding screen, so as to protect the display surfaces of the second region 120 and the third region 130 from being damaged by friction. But the module thickness when folding screen is d, when folding radius's minimum limit was x in the folding screen, its minimum thickness was 4x +3d after the folding screen of z type was folded twice, and the module thickness after folding screen folding this moment is thicker, portable not to be unfavorable for user experience.
In view of this, the present application provides a display module and a display device, in which the minimum bending curvature radius of the first end portion is set to be larger than the bending curvature radius of the second end portion, so as to reduce the thickness of the display module in the bending state.
The following detailed description is to be read in connection with the drawings and the detailed description.
Fig. 3 is a top view of a display module 200 in a flattened state according to an embodiment of the present disclosure, fig. 4 is a top view of the display module 200 in fig. 1 in a bent state, fig. 5 is a BB' cross-sectional view of the display module 200 in the bent state in fig. 4, please refer to fig. 3-5, the present disclosure provides a display module 200 including a display panel 201, the display module 200 including a flattened state and a bent state; the display module 200 includes a first region 210, a second region 220, a third region 230, a first bending part 240, and a second bending part 250; as shown in fig. 3, in the flattened state, the second region 220 is located between the first region 210 and the third region 230 in the first direction; the first region 210 is connected to the second region 220 by a first bend 240, and the second region 220 is connected to the third region 230 by a second bend 250; referring to fig. 4 and 5, in the bent state, the second region 220 is located between the first region 210 and the third region 230 along the thickness direction of the display module 200. Referring to fig. 5, in the bent state, the first bending portion 240 is bent to form a first end portion 260, and the second bending portion 250 is bent to form a second end portion 270; the minimum bend radius of curvature of the first end 260 is R1, the bend radius of curvature of the second end 270 is R2, R1 > R2; referring to fig. 5, in the bent state, each of the cut surfaces tangent to the first end 260 includes a first cut surface 280 and a second cut surface 290 opposite to each other in the thickness direction of the display module 200, the first cut surface 280 and the second cut surface 290 are respectively parallel to the plane of the first region 210, the distance between the first cut surface 280 and the second cut surface 290 is H1, the distance between the surface of the first region 210 away from the second region 220 and the surface of the third region 230 away from the second region 220 is H2, and H1 is greater than or equal to H2.
Specifically, referring to fig. 3 to 5, the display module 200 provided by the present application includes a first region 210, a second region 220, a third region 230, a first bending portion 240 and a second bending portion 250, where the first region 210 and the second region 220 are connected by the first bending portion 240, the second region 220 and the third region 230 are connected by the second bending portion 250, and the display module 200 can be bent along the first bending portion 240 and the second bending portion 250, that is, the display module 200 is a foldable display module 200 including a flat state and a bent state, where in the flat state, as shown in fig. 3, the second region 220 is located between the third region 230 and the first region 210 along a first direction, and in the bent state, as shown in fig. 4 and 5, the second region 220 is located between the first region 210 and the third region 230 along a thickness direction of the display module 200; the display module assembly 200 bends along the first bending part 240 to form a first end part 260, bends along the second bending part 250 to form a second end part 270, when the display module assembly 200 bends along the first bending part 240, the bending arc of an offset type is used, so that the first end part 260 forms an asymmetric drop-shaped arc, the bending curvature radius of different positions in the first end part 260 is different, the second end part 270 forms a regular circular arc, the bending curvature radius of each position is the same, the minimum bending curvature radius R1 through the first end part 260 is larger than the bending curvature radius R2 of the second end part 270, thereby the thickness of the display module assembly 200 under the bending state is reduced, the carrying by a user is convenient, and the user experience effect is favorably improved.
Referring to fig. 5, in the bending state of the display module 200, there are two tangent planes tangent to the first end 260, the two tangent planes are parallel to the plane of the first region 210, the two tangent planes are the first tangent plane 280 and the second tangent plane 290, the vertical distance between the first tangent plane 280 and the second tangent plane 290 is H1, the distance between the side surface of the first region 210 away from the second region 220 and the side surface of the third region 230 away from the second region 220 is H2, in this application, H1 is set to be equal to or greater than H2, in the bending state, since the first tangent plane 280 and the side of the first region 210 away from the second region 220 are located on the same plane, when H1 is set to be equal to or greater than H2, it can be ensured that the bottom surface of the second end 270 does not exceed the bottom surface of the first end 260, when the thickness of the module 200 is d, and the minimum limit of the bending radius is x, the first end 260 is an asymmetric arc, referring to fig. 5, in the bent state, the first end portion 260 is close to the first region, so that the distance between the first region 210 and the second region 220 is smaller than 2x, and the height of the second end portion 270 is 2x, and thus, the value of H2 is smaller than 4x +3d, so that the thickness of the display module 200 in the bent state can be reduced, and the problem of poor user experience caused by the excessively thick thickness of the display module 200 in the bent state can be avoided.
Optionally, referring to fig. 5, the sum α of the central angles corresponding to the first end portion 260 is greater than the central angle β corresponding to the second end portion 270. Preferably, the sum of the central angles corresponding to the first end 260 is α, where α is 2 pi/n, and 1< n < 2. Specifically, referring to fig. 5, the second end 270 is a symmetrical circular arc, and the central angle β corresponding to the second end 270 is pi, in this embodiment, the sum α of the central angles corresponding to the first end 260 is greater than the central angle β corresponding to the second end 270, where the sum α of the central angles corresponding to the first end 260 is 2 pi/n, and 1< n <2, and the sum of the central angles of the first end 260 is greater than pi and less than 2 pi, so that the first end 260 extends to a side close to the first region 210, and thus a second tangent plane 290 parallel to the first region 210 can be formed on the first end 260, and a perpendicular distance H1 between the second tangent plane 290 and the first tangent plane 280 is greater than or equal to a distance H2 between a side surface of the first region 210 far from the second region 220 and a side surface of the third region 230 far from the second region 220, so as to ensure that the bottom surface of the second end 270 does not exceed the bottom surface of the first end 260, the thickness of the display module 200 in the bending state is equal to the height of the first end portion 260, and the problem that the user experience effect is poor due to the fact that the thickness of the display module 200 in the bending state is too thick is avoided. In order to further reduce the thickness of the display module after being bent, the sum α of the central angles corresponding to the first end 260 is 2 pi/n, and 18/17 ≦ n ≦ 9/5, and in an alternative embodiment, n is 4/3.
Alternatively, fig. 6 is an enlarged schematic view of the first end portion provided in the embodiment of the present application, please refer to fig. 5-6, in which the first bending portion 240 includes a first sub-bending portion 241 and a second sub-bending portion 242, and in the flattened state, along the first direction, the first sub-bending portion 241 is located between the first region 210 and the second sub-bending portion 242, and the second sub-bending portion 242 is located between the first sub-bending portion 241 and the second region 220; in the bent state, the bending curvature radius of the first sub-bent portion 241 is larger than the bending curvature radius of the second sub-bent portion 242. Specifically, referring to fig. 5-6, in the display module 200, in the bent state, the first end 260 forms an asymmetric droplet arc, and the bending curvature radius of at least a portion of the first end is different, so in this embodiment, a region of the first bending portion 240 with a curvature radius approximately equal to r1 is referred to as a first sub-bending portion 241, and a region of the first bending portion 240 with a curvature radius smaller than r1 is referred to as a second sub-bending portion 242, for convenience of description, in the following description, the curvature radius of the first sub-bending portion 241 is expressed as r1, the curvature radius of the second sub-bending portion 242 is expressed as r2, and r1 > r2, in the flattened state, the first sub-bending portion 241 is located between the first region 210 and the second sub-bending portion 242, the second sub-bending portion 242 is located between the second region 220 and the first sub-bending portion 241, and the first sub-bending portion 241 is connected to the first region 210, the second sub-bent portion 242 is connected to the second region 220. In addition, under the state of buckling, the radius of curvature of buckling of first sub-flexion 241 is greater than the radius of curvature of buckling of second sub-flexion 242, so, can be when buckling along first flexion 240, be convenient for make first end 260 form asymmetric drop shape arc, minimize the height of first end 260 to reduce the thickness of display module assembly 200 when the state of buckling, make display module assembly 200 more convenient to carry, improve user experience effect.
Optionally, fig. 7 is a DD' cross-sectional view of the display module 200 in fig. 3, referring to fig. 7, the display module 200 further includes a first film 20, the first film 20 is located on one side of the display panel 201, an orthographic projection of the first sub-bending portion 241 on the first film 20 is a first projection area, an orthographic projection of the second sub-bending portion 242 on the first film 20 is a second projection area, and a thickness of the first film 20 in the first projection area is greater than a thickness of the first film 20 in the second projection area. Specifically, referring to fig. 7, the display module 200 further includes a first film layer 20, the first film layer 20 is located on the upper side or the lower side of the display panel 201, a region of the first film layer 20 corresponding to the first sub-bending portion 241 is a first projection region 261, a region corresponding to the second sub-bending portion 242 is a second projection region 262, since the bending difficulty of the first film layer 20 is related to the film thickness, the thickness of the first projection region 261 is set to be greater than the thickness of the second projection region 262 in this embodiment, when bending is performed in this way, the bending radius of the second sub-bending portion can be made smaller, that is, the bending radius r2 of the second sub-bending portion 242 is made smaller than the bending radius of the first sub-bending portion 241, therefore, the first end portion is bent into the asymmetric water drop arc more easily, convenience is brought to reduction of the thickness of the display module 200 in a bent state, and reduction of manufacturing difficulty is facilitated. It should be noted that the thicknesses of the first projection region 261 and the second projection region 262 in the first film layer 20 in fig. 7 are only schematic illustrations and do not represent actual film layer thicknesses, and the position where the first film layer is located is also only a schematic illustration, in other embodiments, the first film layer 20 may also be a layer on the upper side of the display panel 201, which is not limited in this application. In the embodiment of the present invention, the thickness of the first film layer 20 corresponding to the first region 210 may be the same as the thickness of the first film layer 20 corresponding to the first sub-bend 241, and the thickness of the first film layer 20 corresponding to the second region 220 and the third region 230 may be the same as the thickness of the first film layer 20 corresponding to the second sub-bend 242 in the second region 220 and the third region 230.
Alternatively, fig. 8 is another enlarged view of the first end portion provided in the embodiment of the present application, please refer to fig. 5 and 8, in which the first bending portion 240 further includes a third sub-bending portion 243, and in a flattened state, the third sub-bending portion 243 is located between the first sub-bending portion 241 and the second sub-bending portion 242; in the bent state, the bending radius r3 of the third sub-bent portion 243 is greater than the bending radius r2 of the second sub-bent portion 242, and the bending radius r3 of the third sub-bent portion 243 is less than the bending radius r1 of the first sub-bent portion 241; wherein the bending curvature radius r3 of the third sub-bent portion 243 is gradually decreased in a direction in which the first sub-bent portion 241 is directed to the second sub-bent portion 242. Specifically, referring to fig. 5 and 8, the first bending portion 240 further includes a third sub-bending portion 243, in a flattened state, the third sub-bending portion 243 is located between the first sub-bending portion 241 and the second sub-bending portion 242, and a curvature radius r3 of the third sub-bending portion is greater than a curvature radius r2 of the second sub-bending portion 242 and smaller than a curvature radius r1 of the first sub-bending portion 241, so that the third sub-bending portion 243 is used as a transition region of the first sub-bending portion 241 and the second sub-bending portion 242, and a curvature radius r3 of the third sub-bending portion 243 is gradually reduced in a direction along the first sub-bending portion 241 toward the second sub-bending portion 242, so that when bending along the first bending portion 240, the curvature radius of the first bending portion 240 can be gradually reduced from large to small, so that a smooth arc is formed at a connection portion of each sub-bending portion of the first bending portion 240, which is beneficial to improve the aesthetic property of the display module 200, in addition, the risk of bending damage caused by sharp reduction of the curvature radius of the first bending portion 240 can be avoided, so that the problem of display defects and even display failures can be avoided.
Alternatively, fig. 9 is another DD 'cross-sectional view of the display module 200 shown in fig. 3, and fig. 10 is another DD' cross-sectional view of the display module 200 shown in fig. 3, please refer to fig. 9-10, an orthogonal projection of the third sub-curved portion 243 on the first film layer 20 is a third projection area 263, and a thickness of the first film layer 20 in the third projection area 263 gradually decreases along a direction in which the first sub-curved portion 241 points to the second sub-curved portion 242. Specifically, referring to fig. 9, the display module 200 further includes a first film layer 20, the first film layer 20 is located on a side surface of the display panel 201, a region of the first film layer 20 corresponding to the first sub-bending portion 241 is a first projection region 261, a region corresponding to the second sub-bending portion 242 is a second projection region 262, and a region corresponding to the third sub-bending portion 243 is a third projection region 263, because the bending difficulty of the first film layer 20 is related to the film thickness, based on this, the thickness of the first projection region 261 is set to be greater than the thickness of the second projection region 262, and the thickness of the third projection region 263 is gradually reduced along a direction from the first sub-bending portion 241 to the second sub-bending portion 242, so that when bending is performed, the display module 200 can implement an asymmetric water drop arc of the first end portion through an automatic bending shape of the first film layer 20, and more easily implement a bending curvature radius of the first sub-bending portion 241 to be greater than a bending curvature radius of the second sub-bending portion 242, and the curvature radius of the third sub-curved portion 243 is gradually reduced along the direction in which the first sub-region points to the second sub-region, so as to facilitate the reduction of the thickness of the display module 200 in the bent state, and facilitate the reduction of the manufacturing difficulty.
Optionally, referring to fig. 9, the first film layer 20 is a supporting substrate 202, and the supporting substrate 202 is located on a side of the display panel 201 away from the light emitting surface. Specifically, referring to fig. 9, a support substrate 202 is disposed in the display module 200, the support substrate 202 is located on a side of the display panel 201 away from the light exit surface, and supports and protects the display panel 201, generally, the support substrate 202 has a relatively large hardness, and when the support substrate is applied to a bending screen, the influence on the bending radius of the display module is relatively large, therefore, in this embodiment, the first film layer 20 is disposed as the support substrate 202, in order to enable the display module 200 to bend, the support substrate 202 is a flexible substrate, the thickness of the region of the support substrate 202 corresponding to the first sub-bending portion 241 is greater than the thickness of the region of the support substrate corresponding to the second sub-bending portion 242, and the thickness of the region of the support substrate 202 corresponding to the third sub-bending portion 243 is gradually reduced along a direction from the first sub-bending portion 241 to the second sub-bending portion 242, so that the bending radius of curvature of the first sub-bending portion 241 is greater than the second sub-bending radius of the second sub-bending portion by an automatic bending shape of the support substrate 202 when the display module 200 bends The bending curvature radius of the curved portion 242, and the curvature radius of the third sub-bending portion 243 gradually decrease along the direction of the first sub-region pointing to the second sub-region, the thickness of the third projection region 263 gradually changes in the supporting substrate 202, so that the display module assembly 200 can realize the asymmetric water drop arc of the first end portion through the bending shape of the supporting substrate 202, thereby reducing the realization difficulty of the asymmetric water drop arc, facilitating the reduction of the thickness of the display module assembly 200 in the bending state, and being beneficial to reducing the manufacturing difficulty.
In addition, the display module 200 is further provided with a cover plate, the cover plate is located on the light-emitting surface side of the display panel 201, and similarly, the cover plate can also protect the display panel 201, and has a relatively large hardness and a relatively large influence on the bending radius of the display module, so in this embodiment, the curvature radius of the first bending portion 240 is changed by changing the thickness of the cover plate, for example, referring to fig. 10, the cover plate is located on the light-emitting surface side of the display panel 201, generally, the thickness h of the cover plate may be greater than or equal to 70um and less than or equal to 90um, in this embodiment, the thickness of the first projection region 261 corresponding to the first sub-bending portion 241 in the cover plate is greater than the thickness of the second projection region 262 corresponding to the second sub-bending portion 242, and the thickness of the third projection region 263 corresponding to the third sub-bending portion 243 in the cover plate is gradually reduced along the direction from the first sub-bending portion 241 to the second sub-bending portion 242, here, the thickness of the first projection region 261 may be greater than or equal to 70um and less than or equal to 90um, the thickness of the third projection region 263 may be gradually reduced from the thickness of the first projection region 261 to 0, when the thickness of the third projection region 263 is reduced to 0, the thickness of the second projection region 262 is also 0, thus, the display panel 201 at the position where the second sub-bending portion 242 is located is not protected by a cover plate, when the display module 200 is rubbed or collided, the display panel 201 is easily damaged, therefore, in order to well protect the display panel 201 from being damaged, in the present embodiment, two layers of cover plates are provided, wherein the cover plate is a first cover plate 203 close to the display panel 201, the cover plate is a second cover plate 204 located above the first cover plate 203, and only changes the thickness of the first cover plate 203, and the thicknesses of the areas of the second cover plate 204 are the same, so that the display module 200 can bend through the automatic shape of the first cover plate 203 when bending is performed, and the second cover plate 204 can be used for bending the display module 200 One end 260 bends to asymmetric water droplet type, facilitates for reducing the thickness of display module assembly 200 under the state of buckling, and protection display panel 201 that simultaneously can also be fine is not damaged, is favorable to improving display module assembly 200's life.
Of course, the display module 200 may also adopt a combination of changing the thickness of the supporting substrate 202 and changing the thickness of the first cover plate 203, which is not limited in this application. For example, referring to fig. 11, fig. 11 shows a DD' cross-sectional view of the display module 200 in fig. 3, in which the thickness of the region corresponding to the first sub-bending portion 241 in the supporting substrate 202 is greater than the thickness of the region corresponding to the second sub-bending portion 242, the thickness of the region corresponding to the third sub-bending portion 243 in the supporting substrate 202 gradually decreases along the direction from the first sub-bending portion 241 to the second sub-bending portion 242, meanwhile, the thickness h1 of the first projection region 261 corresponding to the first sub-bending portion 241 in the first cover plate 203 is greater than the thickness h2 of the second projection region 262 corresponding to the second sub-bending portion 242, and the thickness h3 of the third projection region 263 corresponding to the third sub-bending portion 243 gradually decreases along the direction from the first sub-bending portion 241 to the second sub-bending portion 242, so that the display module 200 can bend the first end portion 260 into an asymmetric water droplet type to reduce the difficulty of the first bending portion 240, thereby reducing the difficulty of manufacturing the display module 200.
It should be noted that, when the first film layer 20 is bent, the gradual change of the curvature radius can be achieved by changing the elastic modulus in addition to the way of changing the film thickness, for example, please refer to fig. 12, fig. 12 shows a DD' cross-sectional view of the display module 200 in fig. 3, in this embodiment, the thicknesses of the first cover plate and the supporting substrate in the respective areas are the same, the curvature radius of the respective areas is changed by changing the elastic modulus of the respective areas in the first film layer 20, the first film layer 20 here can be the supporting substrate 202 or the first cover plate 203, for example, the elastic modulus of the first projection area 261 in the first cover plate 203 is set to be greater than the elastic modulus of the second projection area 262, the elastic modulus of the third projection area 263 is greater than the elastic modulus of the second projection area 262 and less than the elastic modulus of the first projection area 261, and the elastic modulus of the third projection area 263 is directed to the first projection area 262 along the second projection area 262 261, so when buckling, can avoid first apron 203 to cause the bending curvature radius sudden change of first flexion owing to the elastic modulus sudden change to avoid causing the problem of the too big damage to display module assembly of bending stress owing to the curvature radius sudden change. In addition, through the gradual change of the elastic modulus of setting up first apron 203, also can make display module assembly 200 realize the asymmetric water droplet type arc of first end through the automatic appearance of buckling of first apron 203, it is greater than the bending curvature radius of second sub-bending part 242 to realize the bending curvature radius of first sub-bending part 241 more easily, and the curvature radius of third sub-bending part 243 reduces along the direction of first subregion directional second subregion gradually, facilitate for reducing the thickness of display module assembly 200 under the state of buckling, be favorable to reducing the preparation degree of difficulty.
Optionally, fig. 13 is a schematic view illustrating a position structure of the component part 30 according to an embodiment of the present application, please refer to fig. 13, where the display module 200 further includes the component part 30, the component part 30 is located at a side of the first region 210 away from the light emitting surface of the display panel 201, and the component part 30 is located between the first region 210 and the second region 220 along the thickness direction of the display module 200 in the bent state; in the bent state, an orthographic projection of the component part 30 on a first plane is adjacent to an orthographic projection of the first region 210, the first end 260, the second region 220 and the second end 270 on the first plane, wherein the first plane is perpendicular to a plane of the first region 210, and the first plane is perpendicular to a bending axis of the first end 260. Specifically, referring to fig. 13, the display module 200 further includes a component part 30, wherein the component part 30 may include a main board, a battery, and other components, and according to the difference of the light emitting surface of the display module 200, the component part 30 may be disposed at different positions, in this embodiment, the light emitting surface of the display module 200 is upward, the component part 30 is disposed at a side of the first region 210 away from the light emitting surface, in a bent state, the component part 30 is located between the first region 210 and the second region 220, in the bent state, a first plane perpendicular to the plane of the first region 210 and the bending axis of the first end 260 exists, so that an orthographic projection of the component part 30 on the first plane is adjacent to orthographic projections of the first region 210, the first end 260, the second region 220, and the second end 270 on the first plane, referring to fig. 13, in the view angle shown in fig. 13, the paper surface may be regarded as the first plane, fig. 13 shows the projection position relationship between the module portion 30 and the display panel, the upper surface of the module portion 30 is adjacent to the first region 210, the lower surface is adjacent to the second region 220, the side surface close to the first end portion 260 is adjacent to the first end portion 260, the side surface close to the second end portion 270 is adjacent to the second end portion 270, so that the display module assembly 200 and the module portion 30 can be tightly combined, the module portion 30 can provide a power signal for the display module assembly 200, and can also play a certain supporting role for the display module assembly 200, reduce the risk that the display module assembly 200 deforms when being squeezed in a folded state, and thus can prolong the service life of the display module assembly 200.
It should be noted that the embodiment of the present invention only shows one case of the first plane, and in some embodiments, the first plane may be a cross section of the display module, as long as the first plane is perpendicular to a plane of the first region and perpendicular to the first end bending axis.
It should be noted that, in this embodiment, an extension end 40 may be further disposed on a side of the third region 230 close to the first end portion 260, please refer to fig. 13, because a portion of the first end portion 260 close to the extension end 40 is a convex surface protruding toward the extension end 40, in order to enable the extension end 40 to be tightly combined with the first end portion 260, a portion of the extension end 40 close to the first end portion 260 is formed into an inward concave arc surface matched with the first end portion 260, so as to achieve tight combination of the extension end 40 and the first end portion 260, which is beneficial to improving the aesthetic property of the display module 200 in the folded state. In addition, the display module 200 further includes a flexible circuit board bound on one side of the light emitting surface, and the flexible circuit board can be bent to the back of the first region 210 along the edge of one side of the first region 210 away from the first end 260, so that the space occupied by the non-display area can be saved, and the narrow frame design is facilitated.
In addition to the light emitting surface of the display module 200 being arranged upward, optionally, the light emitting surface of the display module 200 may also be downward, fig. 14 is a schematic view illustrating another position structure of the component part 30 provided in the embodiment of the present application, please refer to fig. 14, in which the light emitting surface of the display module 200 is downward, the component part 30 is located on one side of the third region 230 away from the light emitting surface of the display panel 201, and in the bent state, the component part 30 is located between the second region 220 and the third region 230; similar to the embodiment shown in fig. 13, the display module 200 in this embodiment also has a first plane perpendicular to the plane of the first region 210 and the bending axis of the first end portion 260 in the bent state, but unlike the embodiment shown in fig. 13, the orthographic projection of the component portion 30 on the first plane is adjacent to the orthographic projection of the second region 220, the second end portion 270, the third region 230 and the first end portion 260 on the first plane, in the view shown in the figure, the upper surface of the component portion 30 is adjacent to the second region 220, the lower surface is adjacent to the third region 230, the side surface close to the first end portion 260 is adjacent to the first end portion 260, and the side surface close to the second end portion 270 is adjacent to the second end portion 270, so that the display module 200 and the component portion 30 can be tightly combined, the component portion 30 can provide a power signal for the display module 200, and can also have a certain supporting effect for the display module 200, reduce display module assembly 200 and take place the risk of deformation when receiving the extrusion under fold condition to can improve display module assembly 200's life.
It should be noted that, in this embodiment, an extension end 40 may be disposed on a side of the first region 210 close to the second end 270, please refer to fig. 14, and a portion of the extension end 40 close to the second end 270 is formed into a concave arc surface matching with the second end 270, so as to achieve a tight combination of the extension end 40 and the second end 270, which is beneficial to improve the aesthetic property of the display module 200 in the folded state. In addition, the display module 200 further includes a flexible circuit board bound on one side of the light emitting surface, and the flexible circuit board can be bent to the back of the third region 230 along the edge of one side of the third region 230, which is far away from the second end 270, so that the space occupied by the non-display region can be saved, and the narrow frame design is facilitated.
Based on the same inventive concept, the present application further provides a display device 300, please refer to fig. 15, fig. 15 is a schematic structural diagram of the display device 300 according to the embodiment of the present application, the display device 300 includes a display module 200, and the display module 200 is any one of the display modules 200 according to the embodiments of the present application. It should be noted that, for the embodiments of the display device 300 provided in the present application, reference may be made to the embodiments of the display module 200, and the same parts are not described again. The display device 300 provided by the present application may be: any product or component with a display function, such as a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, a navigator and the like.
According to the embodiments, the application has the following beneficial effects:
(1) in the display module and the display device provided by the invention, the display module forms an asymmetric drop-shaped arc when being bent along the first bending part, the second end part forms a regular arc, and the minimum bending curvature radius R1 of the first end part is larger than the bending curvature radius R2 of the second end part, so that the thickness of the display module in a bending state is favorably reduced, and the user experience effect is favorably improved.
(2) In the display module and the display device provided by the invention, the vertical distance H1 between the first tangent plane and the second tangent plane is set, and is greater than or equal to the distance H2 between the side surface of the first region far away from the second region and the side surface of the third region far away from the second region, so that the bottom surface of the second end part can not exceed the bottom surface of the first end part in a bending state, the thickness of the display module in the bending state is equal to the height of the first end part, and the problem of poor user experience effect caused by over-thick thickness of the display module in the bending state is avoided.
The foregoing description shows and describes several preferred embodiments of the present application, but as aforementioned, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the application, which is to be protected by the claims appended hereto.
Claims (11)
1. The display module is characterized by comprising a display panel, wherein the display module comprises a flattening state and a bending state;
the display module comprises a first area, a second area, a third area, a first bending part and a second bending part;
in the flattened state, the second region is located between the first region and the third region in a first direction;
the first region is connected to the second region by the first bend, and the second region is connected to the third region by the second bend; wherein the content of the first and second substances,
in the bent state, the second area is located between the first area and the third area along the thickness direction of the display module;
in the bending state, the first bending part is bent to form a first end part, and the second bending part is bent to form a second end part; the minimum bending curvature radius of the first end part is R1, the bending curvature radius of the second end part is R2, and R1 is more than R2;
in the bent state, each section tangent to the first end comprises a first section and a second section which are opposite to each other in the thickness direction of the display module, the first section and the second section are respectively parallel to the plane of the first area, one sides of the first section and the first area, which are far away from the second area, are located on the same plane, the distance between the first section and the second section is H1, the distance between the surface of the first area, which is far away from the second area, and the surface of the third area, which is far away from the second area, is H2, and H1 is not less than H2.
2. The display module of claim 1, wherein the sum of the central angles corresponding to the first end portion is greater than the central angle corresponding to the second end portion.
3. The display module of claim 2,
the sum of the central angles corresponding to the first end part is alpha, wherein alpha is 2 pi/n, and 1< n < 2.
4. The display module of claim 1,
the first bending portion includes a first sub-bending portion and a second sub-bending portion, the first sub-bending portion is located between the first region and the second sub-bending portion in the first direction in the flattened state, and the second sub-bending portion is located between the first sub-bending portion and the second region;
and in the bending state, the bending curvature radius of the first sub-bending part is larger than that of the second sub-bending part.
5. The display module of claim 4, comprising a first film layer on one side of the display panel,
an orthographic projection of the first sub-bending portion on the first film layer is a first projection area, an orthographic projection of the second sub-bending portion on the first film layer is a second projection area, and the thickness of the first film layer in the first projection area is larger than that in the second projection area.
6. The display module of claim 4, wherein the first curved portion further comprises a third sub-curved portion, and wherein the third sub-curved portion is located between the first sub-curved portion and the second sub-curved portion in the unfolded state;
in the bent state, the bending curvature radius of the third sub-bending part is larger than that of the second sub-bending part, and the bending curvature radius of the third sub-bending part is smaller than that of the first sub-bending part; wherein, along the direction that the first sub-bending part points to the second sub-bending part, the bending curvature radius of the third sub-bending part gradually decreases.
7. The display module of claim 6, comprising a first film layer on one side of the display panel,
an orthographic projection of the third sub-bending portion on the first film layer is a third projection area, and the thickness of the first film layer in the third projection area is gradually reduced along the direction from the first sub-bending portion to the second sub-bending portion.
8. The display module according to claim 5 or 7, wherein the first film layer is a supporting substrate, and the supporting substrate is located on a side of the display panel away from the light emitting surface; alternatively, the first and second electrodes may be,
the first film layer is a cover plate, and the cover plate is located on one side of the light emitting surface of the display panel.
9. The display module according to claim 1, comprising a component part, wherein the component part is located at a side of the first region away from the light exit surface of the display panel, and the component part is located between the first region and the second region along a thickness direction of the display module in the bent state;
an orthographic projection of the assembly portion on a first plane is adjacent to an orthographic projection of the first region, the first end portion, the second region, and the second end portion on the first plane in the bent state, wherein,
the first plane is perpendicular to the plane of the first area, and the first plane is perpendicular to the bending axis of the first end portion.
10. The display module according to claim 1, comprising a component part, wherein the component part is located on a side of the third region away from the light exit surface of the display panel, and in the bent state, the component part is located between the second region and the third region along a thickness direction of the display module;
in the bent state, an orthographic projection of the assembly part on a first plane is adjacent to an orthographic projection of the second area, the second end part, the third area and the first end part on the first plane, wherein the first plane is perpendicular to a plane of the first area, and the first plane is perpendicular to a bending axis of the first end part.
11. A display device comprising the display module according to any one of claims 1 to 10.
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111739423B (en) * | 2020-06-30 | 2022-05-31 | 武汉华星光电半导体显示技术有限公司 | Support film and display module |
| CN111653205B (en) * | 2020-07-15 | 2021-12-28 | 上海天马微电子有限公司 | Stretchable display panel and display device |
| CN112165837B (en) * | 2020-10-13 | 2022-11-04 | 武汉华星光电半导体显示技术有限公司 | Curved surface heat dissipation film and display module |
| CN113674624A (en) * | 2021-08-19 | 2021-11-19 | 京东方科技集团股份有限公司 | Display panel, preparation method thereof and display device |
| WO2024007200A1 (en) * | 2022-07-06 | 2024-01-11 | 京东方科技集团股份有限公司 | Folding rotating shaft, display device and bending test fixture |
Citations (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006127629A2 (en) * | 2005-05-20 | 2006-11-30 | Medtronic, Inc. | User interface for a portable therapy delivery device |
| JP2013179347A (en) * | 2013-05-23 | 2013-09-09 | Toshiba Corp | Semiconductor light-emitting device |
| CN103985321A (en) * | 2014-05-29 | 2014-08-13 | 上海天马微电子有限公司 | Flexible display panel, production method for same, and flexible display device |
| EP3018572A1 (en) * | 2013-07-02 | 2016-05-11 | Hongming Jiang | Mobile operating system |
| KR101692125B1 (en) * | 2013-01-09 | 2017-01-02 | 오누멘 테크놀로지 컴퍼니 리미티드 | Freely-foldable flexible led screen |
| CN106652785A (en) * | 2015-10-28 | 2017-05-10 | 群创光电股份有限公司 | Display panel |
| CN107025851A (en) * | 2015-12-11 | 2017-08-08 | 乐金显示有限公司 | Display device |
| CN107067982A (en) * | 2017-04-20 | 2017-08-18 | 武汉华星光电技术有限公司 | A kind of folding type flexible display device |
| CN107250879A (en) * | 2014-12-26 | 2017-10-13 | 三星电子株式会社 | Scuttle and display device and the method for manufacture display device with it |
| CN206556750U (en) * | 2017-03-14 | 2017-10-13 | 福州福日电子有限公司 | Z-fold formula electronic scale |
| CN107425036A (en) * | 2016-05-23 | 2017-12-01 | 三星显示有限公司 | Display device |
| KR20180000039A (en) * | 2016-06-21 | 2018-01-02 | 삼성디스플레이 주식회사 | Foldable display device |
| CN107578707A (en) * | 2017-10-20 | 2018-01-12 | 上海天马微电子有限公司 | Flexible display panels and display device |
| CN108074487A (en) * | 2016-11-11 | 2018-05-25 | 三星显示有限公司 | Display device and the electronic device including the display device |
| KR20180101964A (en) * | 2017-03-06 | 2018-09-14 | 주식회사 엠투미 | Foldable display device |
| CN108615744A (en) * | 2013-07-12 | 2018-10-02 | 株式会社半导体能源研究所 | Light-emitting device |
| CN109244674A (en) * | 2018-08-29 | 2019-01-18 | Oppo广东移动通信有限公司 | Housing unit and electronic equipment |
| CN110047914A (en) * | 2019-04-29 | 2019-07-23 | 厦门天马微电子有限公司 | Organic light emitting display panel and display device |
| CN110335546A (en) * | 2018-06-28 | 2019-10-15 | 乐金显示有限公司 | Display device |
| CN110517591A (en) * | 2019-09-04 | 2019-11-29 | 上海天马微电子有限公司 | A kind of foldable display module and display device |
| CN110515494A (en) * | 2019-08-29 | 2019-11-29 | Oppo广东移动通信有限公司 | Flexible Displays screen assembly and electronic device |
| CN110537154A (en) * | 2017-06-08 | 2019-12-03 | 谷歌有限责任公司 | Utilize the collapsible display neutral axis management of thin high modulus layer |
| CN209804146U (en) * | 2016-09-13 | 2019-12-17 | 夏普株式会社 | Flexible device |
| KR20190142361A (en) * | 2017-04-20 | 2019-12-26 | 후아웨이 테크놀러지 컴퍼니 리미티드 | Display control method and device |
| CN112447104A (en) * | 2019-08-30 | 2021-03-05 | 乐金显示有限公司 | Folding frame and foldable display |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140071039A1 (en) * | 2012-09-07 | 2014-03-13 | Kabushiki Kaisha Toshiba | Electronic Apparatus and Display Control Method |
| CN104063360B (en) * | 2013-03-18 | 2018-07-06 | 联想(北京)有限公司 | Electronic equipment and its display processing method |
| US10809875B2 (en) * | 2015-08-03 | 2020-10-20 | Lenovo (Beijing) Co., Ltd. | Display control method and device, and electronic apparatus |
| CN107195253B (en) * | 2017-07-26 | 2020-08-25 | 武汉天马微电子有限公司 | Foldable flexible display device |
| CN107316568B (en) * | 2017-08-28 | 2019-06-14 | 上海中航光电子有限公司 | A kind of flexible display apparatus |
| CN107611161B (en) * | 2017-09-11 | 2021-04-27 | 上海天马有机发光显示技术有限公司 | Flexible display panel and display device |
| CN107565018B (en) * | 2017-09-19 | 2021-04-13 | 京东方科技集团股份有限公司 | OLED display back plate and preparation method thereof |
| CN108648628B (en) * | 2018-05-16 | 2021-05-25 | 云谷（固安）科技有限公司 | Display screen support body and foldable display device |
| CN109686251B (en) * | 2018-12-25 | 2021-12-31 | 厦门天马微电子有限公司 | Flexible display panel and display device |
| CN110580860B (en) * | 2019-10-15 | 2022-04-01 | 武汉天马微电子有限公司 | Folding display device |
-
2020
- 2020-01-02 CN CN202010001547.9A patent/CN111128030B/en active Active
Patent Citations (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006127629A2 (en) * | 2005-05-20 | 2006-11-30 | Medtronic, Inc. | User interface for a portable therapy delivery device |
| KR101692125B1 (en) * | 2013-01-09 | 2017-01-02 | 오누멘 테크놀로지 컴퍼니 리미티드 | Freely-foldable flexible led screen |
| JP2013179347A (en) * | 2013-05-23 | 2013-09-09 | Toshiba Corp | Semiconductor light-emitting device |
| EP3018572A1 (en) * | 2013-07-02 | 2016-05-11 | Hongming Jiang | Mobile operating system |
| CN108615744A (en) * | 2013-07-12 | 2018-10-02 | 株式会社半导体能源研究所 | Light-emitting device |
| CN103985321A (en) * | 2014-05-29 | 2014-08-13 | 上海天马微电子有限公司 | Flexible display panel, production method for same, and flexible display device |
| CN107250879A (en) * | 2014-12-26 | 2017-10-13 | 三星电子株式会社 | Scuttle and display device and the method for manufacture display device with it |
| CN106652785A (en) * | 2015-10-28 | 2017-05-10 | 群创光电股份有限公司 | Display panel |
| CN107025851A (en) * | 2015-12-11 | 2017-08-08 | 乐金显示有限公司 | Display device |
| CN107425036A (en) * | 2016-05-23 | 2017-12-01 | 三星显示有限公司 | Display device |
| KR20180000039A (en) * | 2016-06-21 | 2018-01-02 | 삼성디스플레이 주식회사 | Foldable display device |
| CN209804146U (en) * | 2016-09-13 | 2019-12-17 | 夏普株式会社 | Flexible device |
| CN108074487A (en) * | 2016-11-11 | 2018-05-25 | 三星显示有限公司 | Display device and the electronic device including the display device |
| KR20180101964A (en) * | 2017-03-06 | 2018-09-14 | 주식회사 엠투미 | Foldable display device |
| CN206556750U (en) * | 2017-03-14 | 2017-10-13 | 福州福日电子有限公司 | Z-fold formula electronic scale |
| CN107067982A (en) * | 2017-04-20 | 2017-08-18 | 武汉华星光电技术有限公司 | A kind of folding type flexible display device |
| KR20190142361A (en) * | 2017-04-20 | 2019-12-26 | 후아웨이 테크놀러지 컴퍼니 리미티드 | Display control method and device |
| CN110537154A (en) * | 2017-06-08 | 2019-12-03 | 谷歌有限责任公司 | Utilize the collapsible display neutral axis management of thin high modulus layer |
| CN107578707A (en) * | 2017-10-20 | 2018-01-12 | 上海天马微电子有限公司 | Flexible display panels and display device |
| CN110335546A (en) * | 2018-06-28 | 2019-10-15 | 乐金显示有限公司 | Display device |
| CN109244674A (en) * | 2018-08-29 | 2019-01-18 | Oppo广东移动通信有限公司 | Housing unit and electronic equipment |
| CN110047914A (en) * | 2019-04-29 | 2019-07-23 | 厦门天马微电子有限公司 | Organic light emitting display panel and display device |
| CN110515494A (en) * | 2019-08-29 | 2019-11-29 | Oppo广东移动通信有限公司 | Flexible Displays screen assembly and electronic device |
| CN112447104A (en) * | 2019-08-30 | 2021-03-05 | 乐金显示有限公司 | Folding frame and foldable display |
| CN110517591A (en) * | 2019-09-04 | 2019-11-29 | 上海天马微电子有限公司 | A kind of foldable display module and display device |
Non-Patent Citations (1)
| Title |
|---|
| Challenges and Progress of Small Bending Radius Foldable AMOLED Display Module Technology;Li Lin;《SID Symposium Digest of Technical 》;20171231;第445-446页 * |
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