CN108881534B

CN108881534B - Display screen assembly and electronic equipment

Info

Publication number: CN108881534B
Application number: CN201810576578.XA
Authority: CN
Inventors: 张文真; 胡鄢浩
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2018-06-06
Filing date: 2018-06-06
Publication date: 2021-01-15
Anticipated expiration: 2038-06-06
Also published as: CN108881534A

Abstract

The embodiment of the application provides a display screen subassembly and electronic equipment, the display screen subassembly includes display module assembly, flexible circuit board and additional circuit board, the flexible circuit board electricity is connected the display module assembly, the additional circuit board set up in flexible circuit board's tip, circuit structure has in the additional circuit board, circuit structure forms charging circuit in order to charge to electronic equipment for form charging circuit in the additional circuit board, reduce the thickness of the wireless charging coil among the prior art to the circuit board thickness, make the thickness of wireless charging element reduce greatly, simultaneously, adopt the manufacturing process of flexible circuit board or soft and hard combination board, the flexible circuit board and the additional circuit board integration that will connect display module assembly electrically are in the same place, have improved display screen subassembly and electronic equipment integration degree.

Description

Display screen assembly and electronic equipment

Technical Field

The application relates to the technical field of electronics, in particular to a display screen assembly and electronic equipment.

Background

With the development of communication technology, electronic devices such as smart phones are becoming more and more popular. Consumers tend to purchase electronic devices with smaller thicknesses, however, in the prior art, the display screen assembly and the wireless charging coil are two independent electronic components, and the wireless charging coil is usually formed by wire winding, resulting in a thicker thickness of the wireless charging coil. Therefore, how to provide a display panel assembly and an electronic device with high integration level is a problem to be solved urgently.

Disclosure of Invention

The embodiment of the application provides a display screen assembly and electronic equipment, and the integration level of the display screen assembly and the electronic equipment can be improved.

The embodiment of the application provides a display screen assembly for set up in electronic equipment, include:

a display module;

the flexible circuit board is electrically connected with the display module; and

an additional circuit board disposed at an end of the flexible circuit board, the additional circuit board having a circuit structure therein, the circuit structure forming a charging circuit to charge an electronic device.

An electronic device, comprising:

a housing; and

the display screen subassembly set up in the casing, the display screen subassembly includes:

a display module;

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a first structural schematic diagram of an electronic device according to an embodiment of the present application.

Fig. 2 is a second schematic structural diagram of an electronic device according to an embodiment of the present application.

Fig. 3 is a third schematic structural diagram of an electronic device according to an embodiment of the present application.

Fig. 4 is a first structural diagram of a display screen assembly according to an embodiment of the present disclosure.

Fig. 5 is a schematic structural diagram of a light-transmitting cover plate according to an embodiment of the present application.

Fig. 6 is a schematic structural diagram of a display module according to an embodiment of the present application.

Fig. 7 is a second structural diagram of a display screen assembly according to an embodiment of the present disclosure.

Fig. 8 is a side view of the display screen assembly shown in fig. 4.

Fig. 9 is an enlarged view of a portion a of the display panel assembly shown in fig. 8.

Fig. 10 is an enlarged view of a portion B of the display panel assembly shown in fig. 8.

Fig. 11 is a schematic view of a first structure of an adapter portion of a first flexible portion according to an embodiment of the present application.

Fig. 12 is a third structural diagram of a display screen assembly according to an embodiment of the present application.

Fig. 13 is a fourth schematic structural diagram of an electronic device according to an embodiment of the present application.

Fig. 14 is a fourth structural diagram of a display screen assembly according to an embodiment of the present application.

Fig. 15 is a cross-sectional view of an additional circuit board provided in an embodiment of the present application, taken along the direction C-C.

Fig. 16 is a cross-sectional view of an additional circuit board provided in an embodiment of the present application, taken along the direction D-D.

Fig. 17 is a side view of the display screen assembly shown in fig. 14.

Fig. 18 is an enlarged view of a portion E of the display panel assembly shown in fig. 17.

Fig. 19 is an enlarged view of portion F of the display screen assembly shown in fig. 17.

Fig. 20 is a fifth structural diagram of a display screen assembly according to an embodiment of the present application.

Fig. 21 is a sixth structural schematic diagram of a display screen assembly according to an embodiment of the present application.

Fig. 22 is a schematic diagram of a seventh structure of a display screen assembly according to an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

In this application, an electronic device includes, but is not limited to, an apparatus that is configured to receive/transmit communication signals via a wireline connection, such as via a Public Switched Telephone Network (PSTN), a Digital Subscriber Line (DSL), a digital cable, a direct cable connection, and/or another data connection/network, and/or via a wireless interface (e.g., for a cellular network, a Wireless Local Area Network (WLAN), a digital television network such as a DVB-H network, a satellite network, an AM-FM broadcast transmitter, and/or another communication terminal). A communication device arranged to communicate over a wireless interface may be referred to as a "wireless communication terminal", "wireless terminal" or "mobile terminal". Examples of mobile terminals include, but are not limited to, satellite or cellular telephones; a Personal Communications System (PCS) terminal that may combine a cellular radiotelephone with data processing, facsimile and data communications capabilities; PDAs that may include radiotelephones, pagers, internet/intranet access, Web browsers, notepads, calendars, and/or Global Positioning System (GPS) receivers; and conventional laptop and/or palmtop receivers or other electronic devices that include a radiotelephone transceiver.

The embodiment of the application provides a display screen assembly and electronic equipment. The details will be described below separately. The display screen assembly may be disposed in the electronic device.

Referring to fig. 1, fig. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure. The electronic device 10 may include a cover 11, a display 12, a circuit board 13, a battery 14, a housing 15, a front camera 161, a rear camera 162, and a fingerprint unlocking module 17. It should be noted that the electronic device 10 is not limited to the above, and may include other devices, or does not include the rear camera 16, or does not include the fingerprint unlocking module 17.

Wherein the cover plate 11 is mounted to the display screen 12 to cover the display screen 12. The cover plate 11 may be a transparent glass cover plate so that the display screen transmits light through the cover plate 11 for display. In some embodiments, the cover plate 11 may be a glass cover plate made of a material such as sapphire.

Wherein the housing 15 may form an outer contour of the electronic device 10. In some embodiments, the housing 15 may include a middle frame 151 and a rear cover 152, the middle frame 151 and the rear cover 152 may be combined with each other to form the housing 15, and the middle frame 151 and the rear cover 152 may form a receiving space to receive the circuit board 13, the display 12, the battery 14, and the like. Further, a cover plate 11 may be fixed to the housing 15, and the cover plate 11 and the housing 15 form a closed space to accommodate the circuit board 13, the display 12, the battery 14, and the like. In some embodiments, the cover plate 11 is disposed on the middle frame 151, the rear cover 152 is disposed on the middle frame 151, the cover plate 11 and the rear cover 152 are disposed on opposite sides of the middle frame 151, and the cover plate 11 and the rear cover 152 are disposed opposite to each other.

In some embodiments, the housing 15 may be a metal housing, such as a metal such as magnesium alloy, stainless steel, and the like. It should be noted that the material of the housing 15 in the embodiment of the present application is not limited to this, and other manners may also be adopted, such as: the housing 15 may be a plastic housing. Also for example: the housing 15 is a ceramic housing. For another example: the housing 15 may include a plastic part and a metal part, and the housing 15 may be a housing structure in which metal and plastic are matched with each other, specifically, the metal part may be formed first, for example, a magnesium alloy substrate is formed by injection molding, and then plastic is injected on the magnesium alloy substrate to form a plastic substrate, so as to form a complete housing structure.

It should be noted that, the structure of the housing in the embodiment of the present application is not limited to this, for example: the rear cover and the middle frame are integrally formed to form a finished shell 15 structure, and the shell 15 directly has a containing space for containing devices such as the circuit main board 13, the display screen 12 and the battery 14.

The circuit board 13 is installed in the housing 15, the circuit board 13 may be a main board of the electronic device 10, and one, two or more functional components of a motor, a microphone, a speaker, an earphone interface, a universal serial bus interface, a front camera 161, a rear camera 162, a distance sensor, an ambient light sensor, a receiver, a processor, and the like may be integrated on the circuit board 13.

In some embodiments, the circuit board 13 may be fixed within the housing 15. Specifically, the circuit board 13 may be screwed to the middle frame 151 by screws, or may be snapped to the middle frame 151 by a snap-fit manner. It should be noted that the way in which the circuit main board 13 is specifically fixed to the middle frame 151 according to the embodiment of the present application is not limited to this, and other ways, such as a way of fixing by a snap and a screw together, may also be used.

Wherein the battery 14 is installed in the housing 15, and the battery 14 is electrically connected to the circuit board 13 to provide power to the electronic device 10. The housing 15 may serve as a battery cover for the battery 14. The case 15 covers the battery 14 to protect the battery 14, and particularly, the rear cover 152 covers the battery 14 to protect the battery 14, reducing damage to the battery 14 due to a collision, a drop, or the like of the electronic apparatus 10.

Wherein the display screen 12 is installed in the housing 15, and at the same time, the display screen 12 is electrically connected to the circuit main board 13 to form a display surface of the electronic device 10. The display screen 12 may include a display area and a non-display area. The display area may be used to display a screen of the electronic device 10 or provide a user with touch control. The top area of the non-display area is provided with an opening for conducting sound and light, and the bottom of the non-display area can be provided with functional components such as a fingerprint module, a touch key and the like. The cover plate 11 is mounted on the display 12 to cover the display 12, and may form the same display area and non-display area as the display 12, or may form different display areas and non-display areas.

In some embodiments, the Display 12 may be a Liquid Crystal Display (LCD) or Organic Light-Emitting Diode (OLED) type Display. In some embodiments, when the display 12 is a liquid crystal display, the display 12 may include a backlight module, a lower polarizer, an array substrate, a liquid crystal layer, a color filter substrate, an upper polarizer, and the like, which are sequentially stacked. When the display 12 is an organic light emitting diode display, the display 12 may include a base layer, an anode layer, an organic layer, a conductive layer, an emission layer, and a cathode layer stacked in sequence. In some embodiments, the display 12 may be a transparent display, which may also be a non-transparent display.

It should be noted that the structure of the display 12 is not limited to this. For example, the display 12 may be a shaped screen.

Referring to fig. 2, fig. 2 is a second structural schematic diagram of an electronic device according to an embodiment of the present disclosure. The electronic device 20 includes a cover 21, a display 22, a circuit board 23, a battery 24, and a housing 25. The electronic device 20 differs from the electronic device 10 in that: the display screen 22 has a light permeable area 28 formed directly thereon. Such as: the display screen 22 is provided with a through hole 221 penetrating the display screen 22 in the thickness direction, and optical devices such as a front camera, a receiver and a sensor can be arranged at the position of the through hole 221 so as to facilitate signal transmission. I.e. the light-transmitting area 28 is a through hole 221, both of which are designated by the same reference numerals. The cover plate 21 may cover the through hole 221, or may be provided with a corresponding through hole.

It should be noted that the structure of the display screen is not limited to this, for example: the display screen 22 is provided with non-display areas, which may be included in the light permeable areas 28, which are not displayed. It should be noted that, the housing 25 may refer to the housing 15, the circuit board 23 may refer to the circuit board 13, and the battery 24 may refer to the battery 14, which are not described herein again.

Referring to fig. 3, fig. 3 is a third structural schematic diagram of an electronic device according to an embodiment of the present disclosure, and the electronic device 30 in fig. 3 may include a display screen 32, a cover plate 31, a circuit board 33, a battery 34, and a housing 35. The electronic device 30 differs from the above electronic devices in that: the display screen 32 is provided with a notch 321 at its periphery, and the notch 321 can be used for placing functional components such as the front camera 161, the receiver, the sensor, and the like. The cover plate 31 is suitable for the structural arrangement of the display screen 32, the cover plate 31 may be provided with a notch 321 with an equal size, and the cover plate 31 may also cover the notch 321. It should be noted that, the housing 35 may refer to the housing 15, the circuit board 33 may refer to the circuit board 13, and the battery 34 may refer to the battery 14, which are not described herein again.

The following description is made in terms of the notch opening of the display screen. It can be understood that, along with the function of the electronic equipment is more and more, the devices installed inside the electronic equipment are more and more, the internal space of the electronic equipment can be additionally occupied by the additional devices installed inside the electronic equipment under the condition that the size of the electronic equipment is not changed, the display area of the display screen in the electronic equipment can be occupied in the actual production process, and the area of the display area is reduced or the ratio of the display screen is reduced under the condition that the size of the electronic equipment is not changed. In order not to increase the size of the electronic equipment additionally, the electronic equipment can be kept to realize narrow-frame, frameless or full-screen display through the matching structure of the display screen assembly. The following description will be made in detail by taking the display panel group as an example.

Referring to fig. 4, fig. 4 is a first structural schematic diagram of a display screen assembly according to an embodiment of the present disclosure. The display screen assembly 4 may include a light transmissive cover 41, a display module 42, and a flexible circuit board 43. The flexible circuit board 43 includes a first flexible portion 431 and a second flexible portion 432.

Referring to fig. 5, fig. 5 is a schematic structural diagram of a light-transmitting cover plate according to an embodiment of the present disclosure. The light-transmissive cover plate 41 may be light-transmissive, which may be glass, and the light-transmissive cover plate 41 may be referred to above. In some embodiments, the transparent cover 41 has a display area 411 and a non-display area 412, the display area 411 is used for displaying, and the non-display area 412 is transparent to signals.

Referring to fig. 6, fig. 6 is a schematic structural diagram of a display module according to an embodiment of the present disclosure. The display module 42 is used for displaying, and the display module 42 can refer to the display screen. In some embodiments, the display module 42 has opposite display and

non-display surfaces

427, 428, the display surface 427 is connected to the inner surface of the light-transmissive cover 41, and may be connected by optical adhesive, and the display surface 427 is located in the display area 411 of the light-transmissive cover 41. Wherein the display side 427 is for display and the non-display side 428 is not. In some embodiments, the display module 42 has a first end 429a and a second end 429b opposite to each other. The first end 429a and the second end 429b are located at the periphery of the display module 42, and the first end 429a and the second end 429b are located at two opposite ends of the electronic device, respectively.

In some embodiments, the display module 42 has at least one notch 421 formed at a first end 429a thereof, and the notch 421 penetrates through the display panel 42a and the touch panel 42b, which is described by taking a notch 421 as an example. The notch 421 may be located at the middle position of the first end 429a, or may be close to one of the side portions of the display module 42.

The display module 42 further has a first display area 42c and a second display area 424. The notch 421 and the first display region 42c are located on the same side of the second display region 424. The sum of the width of the notch 421 and the width of the first display area 42c is equal to the width of the second display area 424.

The first display region 42c includes a first portion 422 and a second portion 423, and the gap 421 is disposed between the first portion 422 and the second portion 423. The width of the first portion 422 is equal to the width of the second portion 423.

In some embodiments, the first portion 422 and the second portion 423 may be the same or different in shape and size. In some embodiments, the first portion 422 and the second portion 423 can be symmetrically disposed with respect to the notch 421.

Referring to fig. 7, fig. 7 is a second structural diagram of a display screen assembly according to an embodiment of the present disclosure. The first flexible portion 431 is located at the first end 429a of the display module 42 and electrically connected to a surface of the display panel 42a facing the touch panel 42 b.

Referring to fig. 8-10, fig. 8 is a side view of the display screen assembly shown in fig. 4. Fig. 9 is an enlarged view of a portion a of the display panel assembly shown in fig. 8. Fig. 10 is an enlarged view of a portion B of the display panel assembly shown in fig. 8. The display module 42 includes a display panel 42a and a touch panel 42b stacked together. At the first end 429a of the display module 42, a side surface of the display panel 42a is offset from a side surface of the touch panel 42b to expose a surface of the display panel 42a facing the touch panel 42 b.

The first flexible portion 431 has an adapter portion 431a and an extension portion 431 b.

Referring to fig. 11, fig. 11 is a schematic view of a first structure of an adapter portion of a first flexible portion according to an embodiment of the present disclosure. The transition 431a includes a first end 431a1 and a second end 431a 2. The first end 431a1 is electrically connected to the surface of the display panel 42a facing the touch panel 42 b. The second end 431a2 extends from the first end 431a1 along the side of the display module 42 to the surface of the display panel 42a away from the touch panel 42 b.

The extension 431b is electrically connected to the second end 431a 2. The first flexible portion 431 has an opening 4311. The opening 4311 is disposed at the first end 431a1 of the adaptor 431 a. The opening 4311 and the notch 421 are overlapped. The adaptor 431a includes a first branch 431a3 and a second branch 4314, and the first branch 431a3 faces the first end 431a 1. The second branch portion 4314 faces the second end 431a 2. The opening 4311 and the first branch 431a3 are located on the same side of the second branch 4314. The first branch 431a3 includes a first sub-portion 4312 and a second sub-portion 4313. The opening 4311 is disposed between the first sub-portion 4312 and the second sub-portion 4313. The width of the first subsection 4312 is equal to the width of the second subsection 4313.

The second flexible portion 432 is electrically connected to the second end portion 429b of the display module 42 and is located on the non-display surface 428 of the display module 42. In some embodiments, the first flexible portion 431 may be used to drive the display screen assembly 4 to display, and the second flexible portion 432 may be used to drive the display screen assembly 4 to touch, that is, the first flexible portion 431 is a display circuit board, and the second flexible portion 432 is a touch circuit board. The first flexible portion 431 and the second flexible portion 432 are not limited to this, and for example: the first flexible portion 431 may be used to drive the display screen assembly 4 to perform touch control, and the second flexible portion 432 may be used to drive the display screen assembly 4 to perform display, that is, the first flexible portion 431 is a touch control circuit board, and the second flexible portion 432 is a display circuit board.

It is understood that the above electronic devices each have an antenna structure therein, and the antenna structure may be installed at an end position of the electronic device, such as at both a top end and a bottom end of the electronic device. The electronic equipment has fewer devices at the bottom end, and the antenna structure at the bottom end of the electronic equipment can be used as a main antenna.

As can be seen from the above, in the embodiment of the application, the first flexible portion 431 and the second flexible portion 432 are respectively installed at the first end portion 429a and the second end portion 429b of the display module 42, which are oppositely arranged, so that only the second flexible portion 432 is arranged at the second end portion 429b of the electronic device, a clearance area at the position of the second end portion 429b of the electronic device can be increased, and thus the performance of the antenna structure at the second end portion 429b of the electronic device is improved.

Meanwhile, the second end portion 429b of the electronic device is only provided with the second flexible portion 432 of the display screen assembly 4, so that space can be saved at the bottom end of the electronic device to extend the display area of the display screen assembly 4 towards the bottom end of the electronic device to increase the display area of the display screen assembly 4. Because the top of the display module 42 in the display screen assembly 4 is provided with the notch 421, in the process of assembling the electronic device, the functional assembly occupies the space between the notch 421 and the first end 429a, and the top of the electronic device is provided with the first flexible portion 431 matching with the first end 429a and the notch 421, so that the display area of the display screen assembly 4 is increased by arranging the first flexible portion 431 in the original space.

Referring to fig. 12, fig. 12 is a schematic view illustrating a third structure of a display panel assembly according to an embodiment of the present disclosure. The display screen assembly shown in fig. 12 differs from the above display screen assemblies in that: the notch 421 has a functional component 46 mounted therein. The functional components 46 may include functional devices such as a camera module, a flash, a sensor, and a fingerprint module. According to the embodiment of the application, the functional component 46 is arranged in the notch 421, so that the space occupied by the functional component 46 at other positions of the electronic equipment can be reduced, the space of the electronic equipment can be saved, and the screen occupation ratio can be improved.

It should be noted that, in some embodiments, the display 12 may not include the non-display area, but may be configured as a full-screen structure, and the functional components such as the distance sensor and the ambient light sensor may be disposed below the display or at other positions. Specifically, please refer to fig. 13, and fig. 13 is a fourth structural schematic diagram of an electronic device according to an embodiment of the present application. The electronic device 50 may include a display 52, a cover 51, a circuit board 53, a battery 54, and a housing 55. Wherein the display screen 52 is overlaid on the housing 55 without a non-display area. Wherein the cover plate 51 is adapted to the size of the display screen 52. It should be noted that the housing 55 may refer to the housing 15, the circuit board 53 may refer to the circuit board 13, and the battery 54 may refer to the battery 14, which are not described herein again.

Referring to fig. 14 to 16, fig. 14 is a fourth structural diagram of a display screen assembly according to an embodiment of the present disclosure, fig. 15 is a cross-sectional view of an additional circuit board according to an embodiment of the present disclosure along a direction C-C, and fig. 16 is a cross-sectional view of the additional circuit board according to an embodiment of the present disclosure along a direction D-D.

The display screen assembly 4 also includes an additional circuit board 44. The additional circuit board 44 is disposed at an end of the flexible circuit board 43. The additional circuit board 44 has a circuit structure 441 therein. The circuit structure 441 forms a charging circuit to charge the electronic device 40. The additional circuit board 44 may be a flexible printed circuit board, and the additional circuit board 44 and the flexible circuit board 43 are integrally formed. In the manufacturing process, a charging circuit is formed in an area where the additional circuit board is formed, using a manufacturing process of the flexible circuit board. The additional circuit board 44 may also be a rigid printed circuit board, and the additional circuit board 44 is electrically connected to an end of the flexible circuit board 43. In the manufacturing process, a charging circuit is formed in an area where the additional circuit board is formed by using a manufacturing process of the rigid-flex board.

The additional circuit board 44 includes a plurality of circuit branches 442 arranged in a stack. The plurality of stacked circuit branches 442 have a gap layer 4421 therebetween. The gap layer 4421 is provided therein with air channels 4422. The air channel 4422 penetrates through the end surface 4423 of the gap layer 4421, so that the air channel 4422 can be used as a channel for air to flow during the charging process, thereby effectively dissipating heat of the additional circuit board 44 during charging, and improving the charging power of the additional circuit board 44.

Each of the circuit branches 442 includes two insulating layers 4424 and a circuit layer 4425, the circuit layer 4425 is sandwiched between the two insulating layers 4424, the circuit layer 4425 has conductive traces 4425a and a spacing portion 4425b, the spacing portion 4425b is disposed between the conductive traces 4425a, and the conductive traces 4425a of the circuit branches 442 arranged in a stacked manner are electrically connected to form the circuit structure 441, so as to form a charging circuit for charging the electronic device 40.

Referring to fig. 17 to 19, fig. 17 is a side view of the display panel assembly shown in fig. 14, fig. 18 is an enlarged view of a portion E of the display panel assembly shown in fig. 17, and fig. 19 is an enlarged view of a portion F of the display panel assembly shown in fig. 17.

The additional circuit board 44 is disposed at an end of the first flexible portion 431 for illustration. The additional circuit board 44 is located on the non-display surface 428 side of the display module 42. The additional circuit board 44 is spaced apart from the non-display surface 428 of the display module 42. Electronic components may be disposed between the additional circuit board 44 and the non-display surface 428 of the display module 42. The electronic components may include a circuit board 13 and/or a battery 14.

Because a metal element cannot be arranged between the wireless charging element and the charging pile, in the assembling process, the flexible circuit board 43 extends from the display module 42 to the rear cover 152, and the additional circuit board 44 is attached to the rear cover 152. The rear cover 152 may be a plastic, ceramic, or glass material.

Referring to fig. 20 to 22, fig. 20 is a fifth structural schematic diagram of a display screen assembly according to an embodiment of the present disclosure, fig. 21 is a sixth structural schematic diagram of the display screen assembly according to the embodiment of the present disclosure, and fig. 22 is a seventh structural schematic diagram of the display screen assembly according to the embodiment of the present disclosure.

When the first flexible portion 431 is electrically connected to the first end 429a of the display module 42 and the second flexible portion 432 is electrically connected to the second end 429b of the display module 42, the additional circuit board 44 may be disposed at an end of the first flexible portion 431 (as shown in fig. 14), and the additional circuit board 44 may be disposed at an end of the second flexible portion 432 (as shown in fig. 20).

When the first flexible portion 431 is electrically connected to the first end 429a of the display module 42 and the second flexible portion 432 is also electrically connected to the first end 429a of the display module 42, the first flexible portion 431 and the second flexible portion 432 are stacked, the second flexible portion 432 is disposed on the first flexible portion 431, the additional circuit board 44 may be disposed at an end of the first flexible portion 431 (as shown in fig. 21), and the additional circuit board 44 may be disposed at an end of the second flexible portion 432 (as shown in fig. 22).

The display screen assembly and the electronic device provided by the embodiments of the present application are described in detail above, and the principles and embodiments of the present application are explained herein by applying specific examples, and the descriptions of the above embodiments are only used to help understanding the present application. Meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims

1. A display screen assembly for placement in an electronic device, comprising:

the display module comprises a display panel and a touch panel, wherein the side surface of the display panel and the side surface of the touch panel are arranged in a staggered manner at the first end part so as to expose the surface of the display panel facing the touch panel;

the flexible circuit board is electrically connected with the display module and comprises a first flexible part and a second flexible part, the first flexible part comprises a switching part and an extension part, the switching part comprises a first end and a second end, the first end is provided with a bent buckle shape and is used for buckling the first end on the surface of the display panel facing the touch panel, and the first end is electrically connected with the surface of the display panel facing the touch panel; and

the additional circuit board is arranged at the end part of the flexible circuit board and comprises a plurality of circuit branches arranged in a stacked mode, each circuit branch comprises two insulating layers and a circuit layer, the circuit layers are clamped between the two insulating layers, the circuit layers are provided with conducting circuits and spacing parts, the spacing parts are arranged between the conducting circuits, the conducting circuits in the circuit branches arranged in the stacked mode are electrically connected to form a circuit structure, the circuit structure forms a charging circuit to charge electronic equipment, the additional circuit board is located on one side of a non-display surface of the display module, and the additional circuit board and the non-display surface of the display module are arranged at intervals.

2. The display screen assembly of claim 1, wherein: the additional circuit board is a flexible printed circuit board, and the additional circuit board and the flexible circuit board are integrally formed.

3. The display screen assembly of claim 1, wherein: the additional circuit board is a rigid printed circuit board and is electrically connected to the end of the flexible circuit board.

4. The display screen assembly of claim 1, wherein: and a gap layer is arranged between the plurality of circuit branches which are arranged in a stacked mode, and an air channel is arranged in the gap layer.

5. The display screen assembly of claim 4, wherein: the air channel penetrates through the end face of the gap layer.

6. The display screen assembly of claim 1, wherein: the first flexible portion is electrically connected to the display panel of the display module, the second flexible portion is electrically connected to the touch panel of the display module, and the additional circuit board is disposed at an end of the first flexible portion or an end of the second flexible portion.

7. The display screen assembly of claim 1, wherein: the first flexible portion is electrically connected to the first end portion of the display module, and the second flexible portion is electrically connected to the first end portion or the second end portion of the display module.

8. An electronic device, comprising:

a housing; and

the additional circuit board is arranged at the end part of the flexible circuit board and comprises a plurality of circuit branches which are arranged in a stacked mode, each circuit branch comprises two insulating layers and a circuit layer, the circuit layers are clamped between the two insulating layers, each circuit layer is provided with a conducting circuit and a spacing part, the spacing parts are arranged between the conducting circuits, the conducting circuits in the circuit branches which are arranged in the stacked mode are electrically connected to form a circuit structure, and the circuit structure forms a charging circuit to charge electronic equipment.

9. The electronic device of claim 8, wherein: the display screen assembly of any one of claims 2-7.

10. The electronic device of claim 9, wherein: the shell comprises a rear cover, the flexible circuit board extends to the rear cover from the display module, and the additional circuit board is attached to the rear cover.

11. The electronic device of claim 10, wherein: and an electronic element is arranged between the additional circuit board and the non-display surface of the display module.

12. The electronic device of claim 11, wherein: the electronic component comprises a circuit main board and/or a battery.