WO2021121346A1

WO2021121346A1 - Display module and electronic device

Info

Publication number: WO2021121346A1
Application number: PCT/CN2020/137416
Authority: WO
Inventors: 苏子鹏; 游曜光
Original assignee: 维沃移动通信有限公司
Priority date: 2019-12-20
Filing date: 2020-12-18
Publication date: 2021-06-24
Also published as: CN111145645A; CN111145645B

Abstract

A display module and an electronic device. The display module comprises a first display screen (100), a second display screen (200), and a third display screen (300). The third display screen (300) comprises a light emitting portion (330), a light guide part (340), and a light exit portion (350). The light guide portion (340) is disposed between the light emitting portion (330) and the light exit portion (350). When the display module is in an unfolded state, the first display screen (100), the second display screen (200), and the third display screen (300) are flush; when the display module is in a folded state, the first display screen (100) and the second display screen (200) are arranged facing away from each other, and the third display screen (300) is located between the first display screen (100) and the second display screen (200).

Description

Display module and electronic equipment

Cross-references to related applications

This application claims the priority of Chinese Patent Application No. 201911330074.0 filed in China on December 20, 2019, the entire content of which is incorporated herein by reference.

Technical field

The present invention relates to the technical field of display devices, in particular to a display module and electronic equipment.

Background technique

With the development of the electronic equipment industry, people expect the size of the display module of the electronic device to be as large as possible. However, the larger the size of the display module, the larger the size of the electronic device, and the less convenient to carry it. The contradiction between the screen requirements and portability.

In order to solve the above-mentioned contradictions, a foldable flexible display screen came into being. The flexible display screen can be folded, so that a larger display area can be obtained and electronic equipment can be easily carried. However, the folding area of the flexible display screen is prone to ageing, so the reliability of the display module is poor.

In another related technology, a double-sided foldable electronic device can also be used to increase the display area, and at the same time, it is convenient to carry the electronic device. The display module of this double-sided foldable electronic device is not easy to age, but after the electronic device is unfolded, the black edges of the two display screens contained in the display module are difficult to remove, resulting in the display effect of this display module Poor.

Summary of the invention

The invention discloses a display module and electronic equipment.

A display module includes a first display screen, a second display screen, and a third display screen. The third display screen includes a light-emitting portion, a light guide portion, and a light-emitting portion. The light guide portion is disposed on the light-emitting portion And the light emitting part,

When the display module is in the unfolded state, the first display screen, the second display screen, and the third display screen are flush; when the display module is in the folded state, all The first display screen and the second display screen are arranged opposite to each other, and the third display screen is located between the first display screen and the second display screen.

An electronic device comprising the above-mentioned display module, the electronic device further comprising a first device body and a second device body, the first display screen is arranged on the first device body, and the second display screen is arranged on the The second device body and the third display screen are respectively connected to the first device body and the second device body,

When the display module is in the unfolded state, the first device body and the second device body are spaced apart in a direction parallel to the first display screen; when the display module is in the folded state In the case of, the first device body and the second device body overlap in a direction perpendicular to the first display screen.

The technical scheme adopted by the present invention can achieve the following beneficial effects:

The display module disclosed in the present invention can be unfolded or folded. Therefore, the display module can obtain a larger display area, and at the same time, the size of the display module can be reduced by folding, so that the display module can satisfy users' requirements for large screens. It can also be easily carried. At the same time, when the display module is in the unfolded state, the third display screen can display, so as to compensate for the black borders at the junction of the first display screen and the second display screen, thereby improving the display effect of the display module.

Description of the drawings

The drawings described here are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and the description thereof are used to explain the present invention, and do not constitute an improper limitation of the present invention. In the attached picture:

FIG. 1 is a schematic structural diagram of an electronic device in a folded state disclosed in an embodiment of the present invention;

2 is a schematic structural diagram of the electronic device disclosed in the embodiment of the present invention in an unfolded state;

Figure 3 is a top view of Figure 2;

Figure 4 is a partial enlarged view of Figure 2;

5 is a schematic structural diagram of a third display screen disclosed in an embodiment of the present invention;

FIG. 6 is a schematic diagram of a partial structure of a first display screen disclosed in an embodiment of the present invention.

Description of reference signs:

100-first display screen, 110-first recess, 111-first curved surface, 112-first plane, 120-first display screen body, 130-first cover plate, 200-second display screen, 210 -Second recess, 220-Second display main body, 230-Second cover, 300- Third display, 310-First display flange, 311-Second curved surface, 312-Second plane, 320 -Second display flange, 330- light emitting part, 340- light guide part, 350- light emitting part, 360- touch layer, 370- third cover plate, 400- first device body, 410- first receiving recess, 411-third curved surface, 412-third plane, 500-second device body, 510-second receiving recess, 600-connection assembly, 610-first connection member, 620-second connection member.

Detailed ways

In order to make the objectives, technical solutions, and advantages of the present invention clearer, the technical solutions of the present invention will be described clearly and completely below in conjunction with specific embodiments of the present invention and the corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

The technical solutions disclosed in the various embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in FIG. 1 to FIG. 6, the embodiment of the present invention discloses a display module, which can be applied to electronic equipment, which may specifically include a first display screen 100, a second display screen 200, and a third display屏300. The third display screen 300 may include a light emitting part 330, a light guiding part 340, and a light emitting part 350. The light guiding part 340 is disposed between the light emitting part 330 and the light emitting part 350, so the light emitted by the light emitting part 330 can be guided through the light guiding part 340. To the light emitting part 350, it is emitted through the light emitting part 350.

The display module disclosed in the embodiment of the present invention has an unfolded state and a folded state. When the display module is in an unfolded state, the first display screen 100, the second display screen 200, and the third display screen 300 are flush, and the first display screen 100, the second display screen 200, and the third display screen 300 are now flush. Both can be displayed, which can be spliced to form a larger display area. When the display module is in the folded state, the first display screen 100 and the second display screen 200 are arranged opposite to each other, and the third display screen 300 is located between the first display screen 100 and the second display screen 200. At this time, the entire display The size of the module becomes smaller, and the first display screen 100, the second display screen 200, and the third display screen 300 can display independently. When the display module is applied to an electronic device, the first display screen 100 and the second display screen 200 can be used as the front display screen and the back display screen of the electronic device, respectively, and the third display screen 300 can be used as the side display screen of the electronic device.

The above-mentioned display module can be unfolded or folded. Therefore, the display module can obtain a larger display area. At the same time, the size of the display module can be reduced by folding, so that the display module can meet the needs of users for large screens. It can also be easily carried. At the same time, when the display module is in the unfolded state, the third display screen 300 can display, so as to compensate for the black borders at the junction of the first display screen 100 and the second display screen 200, thereby improving the display effect of the display module. .

In a further embodiment, the number of the aforementioned third display screens 300 may be set to two. When the display module is in a folded state, the two third display screens 300 are arranged opposite to each other. At this time, the two third display screens 300 The display screens 300 are respectively located at both side edges of the first display screen 100 (or the second display screen 200). Therefore, when the display module is in the folded state, the orientations of the first display screen 100, the second display screen 200, and the two third display screens 300 are all different, so that the display module can perform four-sided display, thereby further expanding the display mode. The display area of the group. Of course, when the display module is in an unfolded state, one of the third display screens 300 may be located between the first display screen 100 and the second display screen 200, and the other third display screen 300 may be located on the second display screen 200 On one side, the four can be displayed at the same time, thus forming a larger display area.

Optionally, the first display screen 100 has a first non-display area, the first non-display area is provided with a first recess 110, and the first non-display area may be specifically located at a side edge of the first display screen 100. The second display screen 200 has a second non-display area, the second non-display area is provided with a second recess 210, and the second non-display area may be located at a side edge of the second display screen 200. Both the first non-display area and the second non-display area can be used to set a wiring structure, etc., so they cannot be displayed. A first display flange 310 and a second display flange 320 are respectively provided on both sides of the third display screen 300. The first display flange 310 and the second display flange 320 are opposite to the main part of the third display screen 300. Protruding, and both can be displayed. When the display module is in a folded state, the first display flange 310 is located outside the first recess 110, and the second display flange 320 is located outside the second recess 210. When the display module is in the unfolded state, the first display flange 310 is located in the first recess 110, and the second display flange 320 is located in the second recess 210, so the first display screen 100, the second display screen 200 and The third display screen 300 can be spliced to form a whole display area. That is, when the display module is in the unfolded state, the first display flange 310 of the third display screen 300 can cover the first non-display area of the first display screen 100, and the second display flange of the third display screen 300 320 can cover the second non-display area of the second display screen 200, so that both the first non-display area and the second non-display area can be displayed. At this time, the first display screen 100, the second display screen 200, and the third display screen can be displayed. There is basically no black border at the junction of 300, so as to further improve the display effect of the display module.

When the number of the third display screen 300 is set to two, the first display screen 100 is provided with first recesses 110 on both sides, and the second display screen 200 is provided with second recesses 210 on both sides, so that two third The display screen 300 is matched with the two first recesses 110 and the two second recesses 210 respectively, so that the display effect of the display module is better.

In an alternative embodiment, as shown in FIG. 5, the light emitting portion 350 can usually be arranged in a planar structure. In the light emitting direction of the light emitting portion 350, that is, the direction perpendicular to the light emitting portion 350, the light guiding portion 340 is close to the light emitting portion. The projection of one end of the 330 is located in the projection of the end of the light guide portion 340 close to the light exit portion 350, and the first display flange 310 and the second display flange 320 are disposed on the light guide portion 340 and the light exit portion 350. That is to say, the size of the portion where the light emitting portion 350 is provided on the third display screen 300 is larger than the size of the portion where the light emitting portion 330 is provided, so that the light emitted by the light emitting portion 330 can be emitted in a larger area, thereby covering the first display screen. The first non-display area of 100 and the second non-display area of the second display screen 200. The structure of the third display screen 300 is simpler, and the light guide portion 340 can better realize the diffusion of light, thereby improving the display effect.

The specific structure of the light guide portion 340 can be flexibly selected. In order to simplify the structure of the light guide portion 340 and improve the light guide effect, the light guide portion 340 may include a plurality of optical fibers, and the light emitting portion 330 has a plurality of first arrays arranged in an array. In the pixel area, the light emitting portion 350 has a plurality of second pixel areas arranged in an array, and a plurality of optical fibers are arranged corresponding to the plurality of first pixel areas and the plurality of second pixel areas. For example, one end of each optical fiber may face the first pixel area of one light-emitting part 330, and the other end may face the second pixel area of one light-emitting part 350, so that light emitted from the first pixel area can propagate to the second pixel area through the optical fiber. . The shape of the optical fiber can be flexibly designed according to the structure of the third display screen 300, thereby improving the light guiding effect of the light guiding portion 340.

Further, the third display screen 300 may further include a touch layer 360 which is disposed on a side of the light emitting portion 350 away from the light guide portion 340. The touch layer 360 can sense a user's touch operation, so that the user can perform a touch operation on the third display screen 300, thereby improving the performance of the third display screen 300.

The light-emitting part 330 may include an organic light-emitting layer, which can emit light when driven, so as to perform display. For example, the third display screen 300 may adopt an active-matrix organic light-emitting diode (AMOLED) display screen. Alternatively, the light-emitting part 330 may include a backlight source. In this case, the third display screen 300 is a liquid crystal display screen, which relies on the light emitted by the backlight source for display.

The structure of the first concave portion 110 and the second concave portion 210 described above can be flexibly selected. In order to improve the display effect of the display module, optionally, the first concave portion 110 and the second concave portion 210 each have a first curved surface 111 and a first curved surface 111 and a first curved surface 111. A plane 112, the first arc-shaped surface 111 is connected to the first plane 112; the first display flange 310 and the second display flange 320 both have a second arc-shaped surface 311 and a second flat surface 312, and the second arc-shaped surface 311 is connected to the The second planes 312 are connected. When the display module is in the unfolded state, the first arc-shaped surface 111 and the second arc-shaped surface 311 are directly opposite, and the first plane 112 and the second plane 312 are directly opposite. The first arc-shaped surface 111 and the second arc-shaped surface 311 here can realize a smooth transition between the first plane 112 and the outer surface of the first display screen 100 or the first plane 112 and the outer surface of the second display screen 200. This makes the light spread more smoothly, and finally achieves a better display effect.

In order to protect the first display screen 100, the second display screen 200, and the third display screen 300, in the embodiment of the present invention, optionally, the first display screen 100, the second display screen 200, and the third display screen 300 all include a cover. The cover of the first display screen 100 is provided with a first recess 110, and the cover of the second display 200 is provided with a second recess 210. Since the cover plate is closer to the appearance surface of the electronic device, when the corresponding first recess 110 and the second recess 210 are provided on the cover plate, it is more conducive to eliminate the first display screen 100, the second display screen 200, and the third display screen. The black borders at the junction of 300, so as to optimize the display effect. Specifically, the first display screen 100 may include a first display screen body 120 and a first cover plate 130, the first cover plate 130 covers the first display screen body 120, and the first cover plate 130 is provided with the aforementioned The first recess 110; the second display screen 200 may include a second display screen body 220 and a second cover 230, the second cover 230 covers the second display body 220, and the second cover 230 is provided with the foregoing The second recess 210; the third display screen 300 includes a third cover 370. When the third display screen 300 includes the aforementioned touch layer 360, the third cover plate 370 can cover the touch layer 360.

Based on the display module described in any of the foregoing embodiments, an embodiment of the present invention also discloses an electronic device, which includes the display module described in any of the foregoing embodiments. The electronic device also includes a first device body 400 and a second device body 500. The first display screen 100 is provided on the first device body 400, the second display screen 200 is provided on the second device body 500, and the third display screen 300 is respectively connected to the The first device body 400 and the second device body 500 are connected. When the display module is in the unfolded state, the first device body 400 and the second device body 500 are spaced apart in a direction parallel to the first display screen 100, so as to better support the first display screen 100 and the second display screen 100. The screen 200 and the third display screen 300; when the display module is in a folded state, the first device body 400 and the second device body 500 are superimposed in a direction perpendicular to the first display screen 100, so that the entire electronic device The size becomes smaller, which facilitates the user to carry the electronic device.

Further, the edge of the first device body 400 is provided with a first accommodating recess 410, and the edge of the second device body 500 is provided with a second accommodating recess 510. When the display module is in a folded state, the first accommodating recess 410 and The second accommodating recess 510 is spliced to form an accommodating recess, and the third display screen 300 is located in the accommodating recess. The accommodating recess here can better limit the position of the third display screen 300. When the user operates the third display screen 300, the position of the third display screen 300 is not easy to change, thereby making it easier for the user to accurately manipulate the third display screen. The screen 300 can also prevent the third display screen 300 from being deformed when subjected to an external force. In a specific embodiment, the structure of the receiving recess can match the structure of the third display screen 300, so that the inner surface of the receiving recess can fit the outer surface of the third display screen 300. For example, when the first display flange 310 and the second display flange 320 include the second arc-shaped surface 311 and the second flat surface 312, the first accommodating recess 410 and the second accommodating recess 510 may also include a connected third arc. The third curved surface 411 can be matched with the second curved surface 311, and the third curved surface 412 can be matched with the second flat surface 312.

In a further embodiment, the electronic device may further include a connecting component 600 through which the third display screen 300 is connected to the first device body 400 and the second device body 500 respectively. At this time, the first device body 400 and the second device body 500 may be provided with a space for accommodating the connection assembly 600, so that the storage of the connection assembly 600 can be realized. When the display module is in the unfolded state, the connecting assembly 600 is at least partially located outside the first device body 400 and the second device body 500. At this time, the connecting assembly 600 can better support the third display screen 300, so that the The three display screens 300 are more stably spliced with the first display screen 100 and the second display screen 200; when the display module is in the folded state, a part of the connecting assembly 600 is located in the first device body 400, and the other part is located in the first device body 400. Within the second device body 500, the third display screen 300 can more reliably contact the first device body 400 and the second device body 500 at this time, thereby ensuring the stability of the third display screen 300.

In order to simplify the structure of the above-mentioned connecting assembly 600, optionally, the connecting assembly 600 may include a first connecting piece 610 and a second connecting piece 620, and the first connecting piece 610 and the second connecting piece 620 are located on the third display screen 300. On both sides, the third display screen 300 is connected to the first device body 400 through the first connector 610, and the third display screen 300 is connected to the second device body 500 through the second connector 620. When the display module is in an unfolded state, the first connecting member 610 is at least partially located outside the first device body 400, and the second connecting member 620 is at least partially located outside the second device body 500; when the display module is in a folded state In the case of, the first connecting member 610 is located in the first device body 400, and the second connecting member 620 is located in the second device body 500. Further, the first connecting member 610 and the second connecting member 620 may be configured as rod-shaped members, so that the first connecting member 610 and the second connecting member 620 have certain elasticity, so as to facilitate the user to unfold and fold the display module.

The electronic device disclosed in the embodiment of the present invention may be a smart phone, a tablet computer, an e-book reader, or a wearable device. Of course, the electronic device may also be other devices, which is not limited in the embodiment of the present invention.

The above embodiments of the present invention focus on the differences between the various embodiments. As long as the different optimization features between the various embodiments are not contradictory, they can be combined to form a better embodiment. Considering the conciseness of the text, here is No longer.

The foregoing descriptions are merely embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

A display module includes a first display screen (100), a second display screen (200), and a third display screen (300). The third display screen (300) includes a light-emitting part (330) and a light guide part (340) and a light emitting part (350), the light guiding part (340) is arranged between the light emitting part (330) and the light emitting part (350),

When the display module is in the unfolded state, the first display screen (100), the second display screen (200), and the third display screen (300) are flush; When the group is in the folded state, the first display screen (100) and the second display screen (200) are arranged opposite to each other, and the third display screen (300) is located on the first display screen (100). And the second display screen (200).
The display module according to claim 1, wherein the number of the third display screen (300) is two, and when the display module is in a folded state, the two third display screens (300) 300) Back-to-back settings.
The display module according to claim 1, wherein the first display screen (100) has a first non-display area, the first non-display area is provided with a first recess (110), and the second display The screen (200) has a second non-display area, the second non-display area is provided with a second recess (210), and both sides of the third display screen (300) are respectively provided with first display flanges (310) And the second display flange (320),

When the display module is in an unfolded state, the first display flange (310) is located in the first recess (110), and the second display flange (320) is located in the second recess (210).
The display module according to claim 3, wherein, in the light-emitting direction of the light-emitting portion (350), the projection of the end of the light-guiding portion (340) close to the light-emitting portion (330) is located on the light-emitting portion (330). In the projection of one end of the light portion (340) close to the light emitting portion (350), the first display flange (310) and the second display flange (320) are disposed on the light guide portion (340) And the light emitting part (350).
The display module according to claim 3, wherein the light guide portion (340) includes a plurality of optical fibers, the light emitting portion (330) has a plurality of first pixel regions arranged in an array, and the light emitting portion ( 350) There are a plurality of second pixel regions arranged in an array, and each of the optical fibers is arranged corresponding to each of the first pixel regions and each of the second pixel regions.
The display module according to claim 3, wherein the third display screen (300) further comprises a touch layer (360), and the touch layer (360) is disposed at a position away from the light emitting portion (350). Said one side of the light guide part (340).
The display module according to claim 3, wherein the light-emitting part (330) comprises an organic light-emitting layer; or, the light-emitting part (330) comprises a backlight source.
The display module according to claim 3, wherein the first concave portion (110) and the second concave portion (210) each have a first arc-shaped surface (111) and a first flat surface (112), and the The first curved surface (111) is connected to the first plane (112); the first display flange (310) and the second display flange (320) both have a second curved surface (311) And a second plane (312), the second arc-shaped surface (311) is connected to the second plane (312),

When the display module is in an unfolded state, the first arc-shaped surface (111) is directly opposite to the second arc-shaped surface (311), and the first plane (112) is opposite to the second arc-shaped surface (311). The plane (312) is directly opposite.
The display module according to claim 3, wherein the first display screen (100), the second display screen (200) and the third display screen (300) all comprise a cover plate, and the first display screen (100), the second display screen (200), and the third display screen (300) The cover of a display screen (100) is provided with the first recess (110), and the cover of the second display (200) is provided with the second recess (210).
An electronic device, comprising the display module of any one of claims 1-9, the electronic device further comprising a first device body (400) and a second device body (500), the first display screen (100) is provided on the first device body (400), the second display screen (200) is provided on the second device body (500), and the third display screen (300) is respectively connected to the second device body (500). A device body (400) is connected to the second device body (500),

When the display module is in an unfolded state, the first device body (400) and the second device body (500) are arranged at intervals in a direction parallel to the first display screen (100); When the display module is in a folded state, the first device body (400) and the second device body (500) are stacked in a direction perpendicular to the first display screen (100).
The electronic device according to claim 10, wherein the edge of the first device body (400) is provided with a first accommodating recess (410), and the edge of the second device body (500) is provided with a second accommodating recess (510), when the display module is in a folded state, the first accommodating recess (410) and the second accommodating recess (510) are spliced to form an accommodating recess, and the third display screen (300) Located in the receiving recess.
The electronic device according to claim 10, further comprising a connecting component (600), and the third display screen (300) is connected to the first device main body (400) and the first device body (400) and the first device body (400) through the connecting component (600). Two equipment main body (500) is connected,

When the display module is in an unfolded state, the connecting assembly (600) is at least partially located outside the first device body (400) and the second device body (500); in the display module When the group is in the folded state, a part of the connecting assembly (600) is located in the first device main body (400), and the other part is located in the second device main body (500).
The electronic device according to claim 12, wherein the connecting component (600) comprises a first connecting piece (610) and a second connecting piece (620), the first connecting piece (610) and the second connecting piece (610) The connecting pieces (620) are located on both sides of the third display screen (300), and the third display screen (300) is connected to the first device main body (400) through the first connecting piece (610), The third display screen (300) is connected to the second device main body (500) through the second connector (620),

When the display module is in an unfolded state, the first connector (610) is at least partially located outside the first device body (400), and the second connector (620) is at least partially located at the Outside the second device body (500); when the display module is in a folded state, the first connector (610) is located inside the first device body (400), and the second The connecting piece (620) is located in the second device main body (500).