Electronic device

Abstract

The present application provides an electronic device, comprising: a display screen comprising a first area and a second area; a housing comprising a first panel, wherein the first panel and the first area of the display screen are oppositely arranged in a second direction, a first space is formed between the first area and the first panel, and the first panel is provided with one or more through holes communicated with the first space; a sealing assembly provided between the display screen and the first panel and used for sealing the first space in the circumferential direction of the first area; and a piezoelectric ceramic assembly provided in the second area of the display screen. The sealing assembly comprises a first sealing member and a second sealing member, the first sealing member is used for fixedly connecting the first panel and the display screen, and the second sealing member is used for elastically connecting the first panel and the display screen; the first sealing member is at least arranged on the side edge of the first area away from the second area, and the second sealing member is at least arranged on the side edge of the first area close to the second area. The present application has a good display screen sound production effect, and can also protect user privacy.

Description

electronic devices

[0001] This application claims priority to the Chinese patent application filed with the China Patent Office on September 8, 2023, with application number 202311162773.5 and application name “Electronic Device”. The entire contents of the above application are incorporated by reference into this application. Technical Field

[0002] The present application relates to the field of electronic technology, and in particular to an electronic device. Background Art

[0003] Display screen vibration sound generation is a sound generation technology used in electronic devices. Specifically, the inner surface of the display screen is coated with piezoelectric ceramics. Piezoelectric ceramics are devices that convert electrical signals into vibration signals. When different electrical signals are applied to the piezoelectric ceramics, the piezoelectric ceramics can generate vibrations of different amplitudes and / or frequencies, thereby driving the display screen to vibrate and generate sound.

[0004] Generally speaking, a display screen is mounted on a housing of an electronic device. In some cases, it is difficult to obtain a good sound effect after the display screen is mounted on the housing.

[0005] Summary of the Invention

[0006] Some embodiments of the present application provide an electronic device that can generate sound by driving a display screen through piezoelectric ceramics. During the sound generation process, the display screen not only has good sound effects but also protects user privacy.

[0007] In the first aspect, the present application provides an electronic device, comprising: a display screen, the display screen extends along a first plane, the display screen includes a first area and a second area spaced apart along a first direction, the first direction being parallel to the first plane; a shell, the shell includes a first panel, the first panel and the first area of ​​the display screen are relatively arranged along a second direction, the second direction being perpendicular to the first plane; a first space is formed between the first area and the first panel, the first panel is provided with one or more through holes connected to the first space; a sealing assembly, the sealing assembly is arranged between the display screen and the first panel, the sealing assembly surrounds the first area, and is used to seal the first space along the circumference of the first area; a piezoelectric ceramic assembly, the piezoelectric ceramic assembly is arranged in the second area of ​​the display screen, and is used to drive the display screen to vibrate and make sound; wherein the sealing assembly includes a first seal and a second seal arranged sequentially along the circumference of the first area, the first seal is used to fixedly connect the first panel and the display screen, and the second seal is used to elastically connect the first panel and the display screen; the first seal is at least provided on the side of the first area away from the second area, and the second seal is at least provided on the side of the first area close to the second area.

[0008] According to the embodiments of the present application, when the vibration of the display screen reaches the location of the second seal, the housing does not prevent the vibration of the display screen, and the vibration of the display screen can continue to propagate forward, thereby providing the display screen with a sufficient vibration area to ensure the sound effect of the display screen. In addition, when the vibration of the display screen reaches the location of the first seal, because the display screen is fixed to the housing at this location, the vibration of the display screen is stopped, thereby limiting the vibration area of ​​the display screen to a certain range, thereby ensuring user privacy.

[0009] In some embodiments, the first region includes a third side and a fourth side arranged opposite to each other along a third direction, the third direction is parallel to the first plane and perpendicular to the first direction; along the first direction, the third side is aligned with the middle area of ​​the second region; the second seal is also provided at least at one end of the third side close to the second region.

[0010] According to the embodiment of the present application, after the vibration of the display screen is transmitted to the lower end point of the third side (the end point of the third side close to the second area), it can continue to propagate upward to expand the vibration area of ​​the display screen.

[0011] In some embodiments, a gap is defined between the first seal and the second seal along a circumferential direction of the first region; the sealing assembly further includes a third seal configured to fill the gap.

[0012] In some embodiments, the third sealing member is an elastic colloid. The embodiments of the present application can improve the sealing effect of the sealing assembly.

[0013] In some embodiments, the thickness of the third sealant in a free state is greater than the thickness of the first sealant.

[0014] In some embodiments, the shell also includes a second panel, which is arranged opposite to the display screen along the second direction and spaced apart from the first panel along the first direction; the electronic device also includes a connecting member, which is located on the side of the second area facing away from the first area along the first direction, and is used to fix the display screen and the second panel.

[0015] According to the implementation mode of the present application, after the vibration of the display screen is transmitted to the position of the connecting member, it will stop transmitting forward to limit the vibration range of the display screen to a certain area, thereby avoiding sound leakage and protecting user privacy.

[0016] In some embodiments, the connector includes a strip of colloid extending along a third direction, and / or the connector includes a plurality of point-shaped colloids spaced apart along the third direction, and the third direction is parallel to the first plane and perpendicular to the first direction.

[0017] In some embodiments, the surface of the second panel facing the connector is made of a heat-insulating material.

[0018] In some embodiments, one or more through holes are used to spatially connect the first space and the electronic components disposed on a side of the first panel facing away from the display screen.

[0019] In some embodiments, the electronic component includes a front-facing camera component or a depth-sensing camera (also known as a "TOF camera") of the electronic device.

[0020] In some embodiments, along the third direction, the first area and the second area are both located in the middle of the display screen.

[0021] In some embodiments, the first sealing member includes adhesive backing; and / or the second sealing member includes foam or liquid silicone. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] FIG1A is a front view of an electronic device provided in an embodiment of the present application;

[0023] FIG1B is a cross-sectional view of an electronic device provided in an embodiment of the present application;

[0024] FIG2 is an exemplary application scenario of sound generation by a display screen of an electronic device provided in an embodiment of the present application;

[0025] FIG3A is an exploded view of an electronic device in some embodiments;

[0026] FIG3B is a schematic diagram of a display screen of an electronic device in some embodiments;

[0027] FIG4 is a diagram of the internal structure of an electronic device in some embodiments;

[0028] FIG5A is an exploded view of an electronic device provided in an embodiment of the present application;

[0029] FIG5B is a front view of the electronic device provided in an embodiment of the present application (without the display screen);

[0030] FIG5C is a cross-sectional view of an electronic device provided in an embodiment of the present application;

[0031] FIG6 is a schematic diagram of the sound effect of the electronic device provided in an embodiment of the present application;

[0032] FIG7 is a schematic diagram of the assembly process of the electronic device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0033] The specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0034] The embodiment of the present application is used to provide an electronic device that can generate sound by driving a display screen through piezoelectric ceramics. In the process of the display screen generating sound, not only good sound effects are achieved, but also user privacy can be protected.

[0035] In this application, electronic devices may be mobile phones, laptop computers, tablet computers, large-screen devices, wearable devices (e.g., watches, smart glasses, helmets), augmented reality (AR) / virtual reality (VR) devices, personal digital assistants (PDAs), etc., and this application does not limit them. Below, a mobile phone is used as an example of the electronic device 100.

[0036] Figures 1A and 1B illustrate exemplary structural diagrams of an electronic device 100 provided in an embodiment of the present application. Figure 1A is a front view of the electronic device 100, and Figure 1B is a cross-sectional view of the electronic device 100. In the various figures herein, the X direction represents the length of the electronic device 100, the Y direction represents the width of the electronic device 100, and the Z direction represents the thickness of the electronic device 100. The X, Y, and Z directions are perpendicular to each other.

[0037] For example, when the electronic device 100 is in the portrait state, the X direction is substantially parallel to the vertical direction; when the electronic device 100 is in the landscape state, the X direction is substantially parallel to the horizontal direction.

[0038] 1A and 1B , the electronic device 100 includes a display screen 10 and a housing 20, wherein the display screen 10 is disposed on the housing 20. In this embodiment, the housing 20 includes a middle frame 21 and a back cover 22 (or a "battery cover"). Along the Z direction, the display screen 10 and the back cover 22 are located on opposite sides of the middle frame 21, respectively. In other embodiments, the housing 20 may be an integrated structure (i.e., the middle frame 21 and the back cover 22 are integrated into one). In addition, an inner cavity 20a is formed inside the housing 20, in which various functional components (not shown) of the electronic device 100 may be disposed, such as a camera module, a speaker module, a communication module, a motherboard, a battery, and the like.

[0039] The electronic device 100 can implement its display functions through the display screen 10, for example, displaying a startup screen, an unlocking interface, an application interface, etc. In some embodiments, the display screen 10 of the electronic device 100 also has a touch function, that is, the user can input data, instructions, etc. by touching the display screen 10.

[0040] The display screen 10 may be an organic light-emitting diode (OLED) display screen, an active-matrix organic light-emitting diode (AMOLED) display screen, etc., which is not limited in this embodiment.

[0041] The electronic device 100 can also realize a sound-generating function through the display screen 10. Specifically, the electronic device 100 also includes a piezoelectric ceramic component 30, which is arranged on the inner surface of the display screen 10 (the surface of the display screen 10 facing the inner cavity 20a). For ease of observation, the position of the piezoelectric ceramic component 30 on the display screen 10 is shown by a dotted line in FIG1A. The piezoelectric ceramic component 30 is a device that can convert an electrical signal into a vibration signal. For example, when different voltage signals are applied to the piezoelectric ceramic component 30, the piezoelectric ceramic component 30 can generate vibrations of different amplitudes and / or frequencies. When the piezoelectric ceramic vibrates, it can drive the display screen 10 to vibrate, thereby causing the display screen 10 to emit sound.

[0042] FIG2 shows an exemplary application scenario in which the display screen 10 makes a sound. Referring to FIG2 , when a user holds the electronic device 100 to make a call, the user can place the display screen 10 of the electronic device 100 close to the ear. At this time, the sound waves emitted by the display screen 10 can be transmitted to the human ear, so that the user can clearly hear the call sound. In order to ensure the call effect, during the call, it is hoped that the sound waves emitted by the display screen 10 can be kept within a certain area (for example, within the area Q1 covered by the human ear). If the sound wave exceeds this area, sound leakage may occur, that is, other people around the user may also hear the call sound; if the sound wave is smaller than this area, the sound wave propagation range is too small, and the user may not be able to hear the sound emitted by the display screen 10, affecting the call effect.

[0043] In addition, to conform to user habits (for example, when a user is making a handheld call, they tend to hold the lower middle part of the electronic device 100 with their hand and align the upper middle part of the electronic device 100 with their ear), the piezoelectric ceramic component 30 can be disposed in the upper middle part of the electronic device 100, and along the Y direction, the piezoelectric ceramic component 30 is located at the center of the electronic device 100. In addition, in this document, directional terms such as "upper", "lower", "left", and "right" are based on the portrait state of the electronic device 100. For example, the "upper middle part" refers to the upper middle part of the electronic device 100 in the portrait state.

[0044] It should be noted that FIG2 illustrates an application scenario in which the display screen 10 generates sound, using a handheld call as an example. The present application is not limited thereto. In other embodiments, the display screen 10 may also generate sound in other scenarios, such as voice playback, audio playback, and music playback. Furthermore, in addition to generating sound through the display screen 10, the electronic device 100 may also generate sound through other devices, such as speakers.

[0045] Continuing with reference to FIG1A , the electronic device 100 further includes a front-facing camera component 40 (as an example of an electronic component). The front-facing camera component 40 may include one or more cameras (two are shown in FIG1A ). Users can use the front-facing camera component 40 to take selfies. For example, when a user faces the display screen 10, the front-facing camera component 40 can capture their own image and observe the shooting effect in real time on the display screen 10. To optimize the shooting effect, the front-facing camera component 40 is disposed at the center of the electronic device 100 along the Y direction.

[0046] 3A and 3B illustrate the installation of the display screen 10 and the front camera assembly 40 in some electronic devices 100 ′, wherein FIG3A is an exploded view of the electronic device 100 ′, and FIG3B is a front view of the display screen 10 .

[0047] Referring to Figure 3A , electronic device 100' includes a display screen 10, a middle frame 21, and a back cover 22, arranged sequentially along the Z direction. The middle frame 21 includes a frame 211 and a panel 212. One side of the panel 212 (the left side as shown in Figure 3A ) faces the display screen 10, and the other side of the panel 212 (the right side as shown in Figure 3A ) faces the back cover 22. The panel 212, frame 211, and back cover 22 collectively form an inner cavity 20a of the electronic device 100'.

[0048] The display screen 10 is bonded to the panel 212 of the middle frame 21 via adhesive 51. The front camera assembly 40 is installed in the inner cavity 20a of the electronic device 100'. The middle frame 21 is provided with a plurality of through-holes 23, allowing external light to enter the front camera assembly 40. Referring to Figure 3B , a space R is formed between the area on the panel 212 where the through-holes 23 are located and the display screen 10.

[0049] To prevent dust, moisture, and the like from entering the front camera assembly 40 through the through-hole 23, the electronic device 100' further includes adhesive 52 circumferentially surrounding the space R (adhesive section 511 is a common section of adhesive 51 and adhesive 52). Adhesive 52 is used to bond the display screen 10 to the panel 212. Thus, adhesive 52 forms a sealing strip that circumferentially seals the space R, preventing dust, moisture, and the like from entering the front camera assembly 40 through the through-hole 23.

[0050] FIG3B shows a front view of the display screen 10 (for ease of understanding, the positions of the adhesive backings 51 and 52 are shown with thick dotted lines in FIG3B ). Referring to FIG3B , after the display screen 10 and the panel 212 are bonded together by the adhesive backing 52, the position where the adhesive backing 52 is set on the display screen 10 will be fixed. In this way, when the piezoelectric ceramic component 30 drives the display screen 10 to vibrate and make a sound, the vibration is transmitted to the position where the adhesive backing 52 is transmitted and terminates (i.e., the vibration area of ​​the display screen 10 is Q2). In this way, the vibration area of ​​the display screen 10 is too small (for example, smaller than the area Q1 covered by the human ear), which affects the sound effect of the display screen 10, and the user may not hear the sound emitted by the display screen 10.

[0051] Referring to FIG. 4 , in some embodiments, the front-facing camera assembly 40 can be offset to address this issue (for ease of observation, FIG. 4 shows a front view of the electronic device 100 ″ with the display screen 10 removed). In this embodiment, the front-facing camera assembly 40 is positioned at a top corner (e.g., the upper left corner) of the electronic device 100 ″, rather than at the top center of the electronic device 100 ″. This allows for a greater distance between the adhesive backing 52 and the piezoelectric ceramic assembly 30 , providing the display screen 10 with a sufficient vibration area to ensure a sound-generating effect.

[0052] However, offsetting the front camera assembly 40 may affect the user experience. For example, when a user takes a selfie facing the display screen 10, the front camera assembly 40 is not facing the user directly, but rather offset to one side of the user (e.g., the left side). As a result, the image captured by the front camera assembly 40 is not centered on the user, but rather offset to one side. In this case, the selfie image the user sees on the display screen 10 is inconsistent with the image they intuitively imagine, thus affecting the user experience.

[0053] To this end, this embodiment provides an electronic device that can achieve good display sound effects under any setting of the shooting component bias (for example, setting the front shooting component at the top center of the electronic device). In this embodiment, different sealing materials are used to seal the space R. That is, on the side of the space R away from the piezoelectric ceramic component, a first sealing material is used for sealing, and the first sealing member can provide a fixed connection between the display screen and the middle frame (therefore, the first sealing member can also be called a "rigid seal"); on the side of the space R close to the piezoelectric ceramic component, a second sealing member is used for sealing, and the second sealing member can provide an elastic connection between the display screen and the middle frame (therefore, the second sealing member can also be called an "elastic seal"). In some embodiments, the rigid seal can be a backing adhesive, and the flexible seal can be foam or liquid silicone.

[0054] This way, when the display's vibrations reach the flexible seal, the middle frame doesn't block them, allowing them to continue propagating forward. This provides ample vibration area for the display to effectively produce sound. Furthermore, when the display's vibrations reach the rigid seal, they are terminated by the display being secured to the middle frame there. This limits the vibration area to a certain range, ensuring user privacy.

[0055] Figures 5A to 5C illustrate the structure of the electronic device 100 provided in this embodiment. Figure 5A is an exploded view of the electronic device 100, Figure 5B is a front view of the electronic device 100 with the display screen 10 removed, and Figure 5C is a cross-sectional view of the electronic device 100 (a cross-sectional view taken along line AA in Figure 5B).

[0056] 5A to 5C , electronic device 100 includes a display screen 10, a middle frame 21, and a back cover 22, which are sequentially connected along the Z direction (as the second direction). As described above, middle frame 21 and back cover 22 together form housing 20 of electronic device 100. In other embodiments, middle frame 21 and back cover 22 may also be an integrated structure.

[0057] Display screen 10 extends along the XY plane (serving as a first plane). In some examples, display screen 10 may be a flat screen, where its plane may be parallel to the XY plane. In other examples, display screen 10 may be a curved screen, where it may have a slight convexity or concavity relative to the XY plane.

[0058] The middle frame 21 includes a frame 211 and a panel 212. The frame 211 extends along the circumference of the electronic device 100 and can form a side frame of the electronic device 100. Therefore, the frame 211 can also be understood as the side wall of the electronic device 100. The panel 212 is arranged on the frame 211. The panel 212 and the display screen 10 are arranged opposite to each other along the Z direction. The display screen 10 can be bonded to the panel 212 by the back glue 51. In addition, the side of the display screen 10 can also be bonded to the middle frame 21 by a caulking glue (not shown) to seal the space between the display screen 10 and the middle frame 21. The back cover 22 is connected to the frame 211, and the back cover 22 and the middle frame 21 together enclose the inner cavity 20a of the electronic device 100.

[0059] The display screen 10 includes a first area 11 and a second area 12 arranged opposite each other along the X direction (as an example of the first direction). For ease of understanding, the positions of the first area 11 and the second area 12 are framed with dotted lines in Figure 5A. Along the Z direction, the first area 11 is opposite the front camera assembly 40 (as an example of an electronic component), and the second area 12 is used to mount the piezoelectric ceramic assembly 30. For example, the size of the second area 12 is the same as the size of the mounting surface of the piezoelectric ceramic assembly 30.

[0060] The piezoelectric ceramic assembly 30 can drive the display screen 10 to vibrate and produce sound. For example, the piezoelectric ceramic assembly 30 can be bonded to the inner surface of the display screen 10 (the surface of the display screen 10 facing the inner cavity 20a). Furthermore, a mounting hole 24 can be defined in the panel 212 of the middle frame 21, through which the piezoelectric ceramic assembly 30 can extend into the inner cavity 20a of the electronic device 100.

[0061] In this application, "A and B are arranged relative to each other along a certain direction" means that A and B are arranged face to face in that direction, and the projections of A and B along that direction at least partially overlap. On this basis, A and B can be arranged at intervals or in contact with each other in that direction.

[0062] The panel 212 of the middle frame 21 includes a first panel 212a, which is disposed opposite the first area 11 of the display screen 10. In some embodiments, the first panel 212a can be understood as a portion of the panel 212. When the display screen 10 is mounted on the panel 212, a space R is defined between the first panel 212a and the first area 11 of the display screen 10. One or more through holes 23 (two through holes 23 are shown) are defined in the first panel 212a, each of which communicates with the space R. The shape of the through holes 23 is not limited in this embodiment; the through holes 23 can be any shape, such as circular, square, or irregular, as long as they extend through the first panel 212a in the Z direction.

[0063] The front-facing camera assembly 40 (as an example of an electronic component) is mounted on the side of the through-hole 23 facing away from the display screen 10. That is, the through-hole 23 spatially connects the space R and the front-facing camera assembly 40. It will be appreciated that the front-facing camera assembly 40 is able to exchange light with the outside world of the electronic device 100 through the through-hole 23. In this embodiment, the front-facing camera assembly 40 is positioned in the top center of the electronic device 100. In other embodiments, the front-facing camera assembly 40 may also be positioned elsewhere, such as in the upper left or upper right corner of the electronic device 100.

[0064] In this embodiment, the front-facing camera component 40 is used as an example of an electronic component. In other embodiments, the electronic component may be other components, such as a depth-sensing camera (also known as a "TOF camera"), a flash, a breathing light, and other components that need to interact with the outside of the electronic device 100 through light, or a motor, a speaker, and other components that do not need to exchange light with the outside of the electronic device 100.

[0065] Furthermore, in this embodiment, the electronic component and the piezoelectric ceramic component 30 are arranged relative to each other along the X-direction (corresponding to the first region 11 and the second region 12 of the display screen 10 being arranged relative to each other along the X-direction). That is, in this embodiment, the X-direction is used as an example of the first direction. In other embodiments, the first direction may also be another direction parallel to the XY plane, such as the Y-direction. That is, in this embodiment, the electronic component and the piezoelectric ceramic component 30 are arranged relative to each other along the Y-direction (corresponding to the first region 11 and the second region 12 of the display screen 10 being arranged relative to each other along the Y-direction).

[0066] 5A and 5C , since the first panel 212a has a through hole 23, the front camera assembly 40 and the space R can be spatially connected via the through hole 23. This prevents dust, moisture, and the like within the inner cavity 20a of the electronic device 100 from entering the front camera assembly 40, thereby affecting its normal operation.

[0067] To this end, the electronic device 100 further includes a sealing assembly 60, which is disposed between the display screen 10 and the first panel 212a and surrounds the first region 11 along the circumference of the first region 11 (the circumference of the first region 11), and is configured to seal the space R along the circumference of the first region 11. In this way, the sealing assembly 60 can block dust and moisture in the inner cavity 20a from spreading to the front camera assembly 40, thereby protecting the front camera assembly 40.

[0068] Specifically, referring to FIG5A , the first region 11 includes four side edges, namely, side edge 111, side edge 112, side edge 113, and side edge 114. Side edge 111 (serving as the first side edge) and side edge 112 (serving as the second side edge) are arranged opposite each other along the X-direction, and side edge 113 (serving as the third side edge) and side edge 114 (serving as the fourth side edge) are arranged opposite each other along the Y-direction (serving as the third direction). It can be understood that, along the X-direction, side edge 111 is the side edge of the first region 11 away from the second region 12, and side edge 112 is the side edge of the first region 11 closer to the second region 12.

[0069] This embodiment does not limit the shape of the sides of the first region 11. Each side can be straight (for example, side 111 is straight), curved, or broken. Adjacent sides can be perpendicular to each other (for example, side 111 and side 113 are perpendicular to each other), or they can be non-perpendicular.

[0070] The sealing assembly 60 extends along sides 111, 112, 113, and 114 to circumferentially surround the first region 11. The segments of the sealing assembly 601 extending along sides 111, 112, 113, and 114 are respectively sealing segments 60a, 60b, 60c, and 60d. It will be appreciated that the extension shape of each sealing segment is consistent with the extension shape of the corresponding side.

[0071] To ensure that the display screen 10 has a good sound effect, in this embodiment, the sealing assembly 60 includes a rigid seal 61 (i.e., a first seal) and an elastic seal 62 (i.e., a second seal), which are sequentially arranged along the circumference of the first region 11. For ease of visualization, the rigid seal 61 and the elastic seal 62 are illustrated with different hatching in Figures 5A and 5B. Referring to Figures 5A and 5B, the rigid seal 61 is at least provided on side edge 111, and the elastic seal 62 is at least provided on side edge 112. In other words, the rigid seal 61 includes at least a sealing segment 60a, and the elastic seal 62 includes at least a sealing segment 60b.

[0072] Among them, the rigid seal 61 is used to provide a fixed connection between the display screen 10 and the first panel 212a, and the elastic seal 62 is used to provide an elastic connection between the display screen 10 and the first panel 212a. That is to say, the area of ​​the display screen 10 where the rigid seal 61 is set will basically not be displaced or can only be displaced very slightly relative to the first panel 212a (this displacement is recorded as δ1), while the position of the display screen 10 where the elastic seal 62 is set can produce a larger displacement relative to the first panel 212a (this displacement is recorded as δ2). Among them, the displacement δ2 is much larger than the displacement δ1, for example, the displacement δ2 is more than 5 times the displacement δ1. Exemplarily, the rigid seal 61 can be a backing adhesive, such as acrylic pressure-sensitive adhesive, butyl rubber, silicone adhesive, etc. The elastic seal can be foam or liquid silicone.

[0073] It will be appreciated that, because the sealing section 60b provides an elastic connection between the display screen 10 and the first panel 212a, the vibration of the display screen 10 can continue to propagate forward after being transmitted to the side edge 112, thereby expanding the sound emission area of ​​the display screen 10 and achieving a better sound emission effect. Furthermore, because the sealing section 60a provides a fixed connection between the display screen 10 and the first panel 212a, the vibration of the display screen 10 stops propagating forward after being transmitted to the side edge 111, thereby limiting the vibration range of the display screen 10 to a specific area, thereby preventing sound leakage and protecting user privacy.

[0074] The distance D1 between the side edge 111 and the second area 12 can be determined based on the sound effects of the display screen 10, for example, through testing or simulation. In some embodiments, the distance D1 between the side edge 111 and the second area 12 can be half of the sound wave area Q1 covered by the human ear when the human ear is close to the display screen 10, for example, 2 cm to 4 cm.

[0075] In some embodiments, along the X-direction, the side edge 113 is aligned with the central region of the second region 12. That is, along the X-direction, the projection of the side edge 113 in the second region 12 is located in the central region of the second region 12. The central region of the second region 12 is located at the center of the second region 12 along the Y-direction, and the ratio of the size of the central region along the Y-direction to the size of the second region 12 along the Y-direction is a predetermined value, for example, a value between 0.2 and 0.6.

[0076] In this embodiment, since side 113 is aligned with the center of second region 12, the end of sealing section 60c (the sealing section provided on side 113) near second region 12 is provided with an elastic sealing material. In other words, elastic sealing member 62 is also provided at the end of side 113 near second region 12. This allows vibrations of display screen 10 to continue to propagate upward after reaching the lower end of side 113 (the end of side 113 near second region 12), thereby expanding the vibration range of display screen 10.

[0077] 5B , since the elastic seal 62 and the rigid seal 61 are made of different materials, a certain gap may exist between the elastic seal 62 and the rigid seal 61 after they are installed on the first panel 212a. To this end, the sealing assembly 60 may further include a third seal 63, which is used to fill the gap between the elastic seal 62 and the rigid seal 61 to ensure the circumferential sealing of the space R.

[0078] In some embodiments, the third sealing member 63 is an elastic colloid (e.g., dam glue). Thus, when the display screen 10 and the panel 212 of the middle frame 21 are attached to each other, the third sealing member 63 can be compressed, thereby improving the sealing effect of the sealing assembly 60. Exemplarily, the thickness of the third sealing member 63 in the free state (dimension along the Z direction) is greater than the thickness of the first sealing member to further improve the sealing effect.

[0079] Continuing with reference to Figures 5A to 5C, the panel 212 of the middle frame 21 includes a second panel 212b. In some embodiments, the second panel 212b can be understood as another portion of the panel 212 (different from the first panel 212a). The second panel 212b is disposed opposite the display screen 10 along the Z direction and opposite the first panel 212a along the X direction. In some embodiments, the second panel 212b is located below the first panel 212a.

[0080] To further enhance the privacy protection provided by the electronic device 100, the electronic device 100 also includes a connector 70. Along the X-axis, the connector 70 is located on the side of the second area 12 of the display screen 10 facing away from the first area 11, and is used to securely connect the display screen 10 and the second panel 212b. Specifically, at the location of the connector 70, the display screen 10 and the second panel 212b are securely connected. This prevents vibrations from the display screen 10 from being transmitted to the connector 70, preventing them from being transmitted forward. This limits the vibration range of the display screen 10 to a specific area, thereby preventing sound leakage and protecting user privacy.

[0081] Along the X-direction, the distance D2 between the connector 70 and the second area 12 can be determined based on the sound effects of the display screen 10, for example, through testing or simulation. In some embodiments, the distance D2 between the connector 70 and the second area 12 can be half of the sound wave area Q1 covered by the human ear when the ear is close to the display screen 10, for example, 2 cm to 4 cm.

[0082] In some embodiments, the connector 70 is a glue (e.g., hot melt glue). For example, the connector 70 may be a strip of glue extending along the Y direction (as the third direction), or the connector 70 may be a plurality of dots of glue spaced apart along the Y direction (as shown in FIG. 5A and FIG. 5B ).

[0083] Referring to Figure 5C , the surface of the second panel 212b facing the connector 70 (e.g., hot melt adhesive) can be made of a heat-insulating material 212b-1 (e.g., plastic). This prevents heat generated by the hot melt adhesive from dissipating outside the electronic device 100, preventing the user from experiencing a burning sensation when holding the electronic device 100. The surface of the second panel 212b facing away from the connector 70 (e.g., hot melt adhesive) can be made of a metal material 212b-2.

[0084] For example, the size of the connector 70 along the Y direction can be determined based on the sound effect of the display screen 10. In some embodiments, the size of the connector 70 along the Y direction can be substantially the same as the size of the second area 12 along the Y direction, or can be slightly smaller than the size of the second area 12 along the Y direction, for example, 0.5 to 0.8 times the size of the second area 12 along the Y direction.

[0085] Figure 6 shows a schematic diagram of the sound-generating area of ​​display screen 10 provided in an embodiment of the present application. Referring to Figure 6 , display screen 10 includes a fixed area, a moderately fixed area, and an amplitude area. The fixed area can be the area where the piezoelectric ceramic component 30 and display screen 10 are bonded (the piezoelectric ceramic component 30 can be bonded to the display screen 10 using adhesive). The fixed area can be understood as the center of vibration when display screen 10 emits sound.

[0086] The optimal fixing area is the area where the display screen 10 is fixedly connected to the panel 212 of the middle frame 21. For example, the upper optimal fixing area is where the sealing segment 60a of the sealing assembly 60 is located, the upper optimal fixing area is where the connector 70 is located, and the left and right optimal fixing areas are where the left and right edges of the adhesive 51 are located, respectively. When vibrations from the display screen 10 are transmitted to the optimal fixing area, they stop transmitting forward, limiting the vibration range of the display screen 10 to a specific area, thereby preventing sound leakage and protecting user privacy.

[0087] The area between the fixed area and the moderately fixed area is the amplitude area. In the amplitude area, the display screen 10 is basically not constrained by the panel 212 of the middle frame 21 and can generate relatively large amplitude vibrations, thereby ensuring the sound effect of the display screen 10.

[0088] The following describes an exemplary assembly process of the electronic device 100 provided in an embodiment of the present application. Referring to Figure 7, when assembling the electronic device 100, first, the middle frame assembly (including the middle frame 21 and the rigid seal 61, elastic seal 62 and back glue 51 preset on the panel 212 of the middle frame 21) is placed in a dispensing jig, and the gap filler (not shown) and dam glue 63 are applied. Then, the display screen 10 is mounted on the middle frame 21 and fixed under pressure. After that, the assembled display screen 10 and the middle frame 21 are placed in an automated assembly device, and the piezoelectric ceramic assembly 30 is passed through the mounting hole 24 on the panel 212 of the middle frame 21 through CCD positioning, and is attached to the display screen 10 and pressure-maintained; then, the FPC and gold fingers of the piezoelectric ceramic assembly 30 are assembled to the corresponding positions of the inner cavity 20a of the shell 20. Finally, the front camera assembly 30, the mainboard, the battery, etc. are assembled to the corresponding positions of the inner cavity 20a of the shell 20, and the back cover 22 is covered to complete the assembly of the electronic device 100.

[0089] In the above description of this embodiment, unless otherwise specified, " / " means or, for example, A / B can identify A or B; "and / or" in this article is merely a way to describe the association relationship of associated objects, indicating that three relationships can exist, for example, A and / or B can represent the existence of A alone, B alone, and the existence of A and B at the same time.

Claims

1. An electronic device, characterized in that: include: A display screen, the display screen extending along a first plane, the display screen comprising a first area and a second area spaced apart along a first direction, the first direction being parallel to the first plane; A housing, the housing comprising a first panel, the first panel and the first area of ​​the display screen are arranged relative to each other along a second direction, the second direction is perpendicular to the first plane; a first space is formed between the first area and the first panel, and the first panel is provided with one or more through holes communicating with the first space; A sealing component, the sealing component is disposed between the display screen and the first panel, the sealing component surrounds the first area, and is used to seal the first space along the circumference of the first area; A piezoelectric ceramic component, the piezoelectric ceramic component is arranged in the second area of ​​the display screen, and is used to drive the display screen to vibrate and generate sound; Wherein, the sealing assembly includes a first seal and a second seal arranged in sequence along the circumference of the first area, the first seal is used to fixedly connect the first panel and the display screen, and the second seal is used to elastically connect the first panel and the display screen; the first seal is at least arranged on a side of the first area away from the second area, and the second seal is at least arranged on a side of the first area close to the second area.

2. The electronic device according to claim 1, characterized in that: The first region includes a third side and a fourth side that are oppositely arranged along a third direction, the third direction is parallel to the first plane and perpendicular to the first direction; along the first direction, the third side is aligned with a middle region of the second region; The second sealing member is at least further disposed on one end of the third side edge close to the second region.

3. The electronic device according to claim 1, characterized in that: Along the circumference of the first region, there is a gap between the first sealing member and the second sealing member; The sealing assembly further includes a third sealing member, wherein the third sealing member is configured to fill the gap.

4. The electronic device according to claim 3, characterized in that: The third sealing member is an elastic colloid.

5. The electronic device according to claim 4, characterized in that: The thickness of the third sealing member in a free state is greater than the thickness of the first sealing member.

6. The electronic device according to claim 1, characterized in that: The housing further comprises a second panel, the second panel is arranged opposite to the display screen along the second direction, and is spaced apart from the first panel along the first direction; The electronic device further includes a connecting member, which is located at a side of the second area facing away from the first area along the first direction and is used for fixedly connecting the display screen and the second panel.

7. The electronic device according to claim 6, characterized in that: The connecting member includes a strip-shaped colloid extending along a third direction, and / or the connecting member includes a plurality of point-shaped colloids arranged at intervals along the third direction, and the third direction is parallel to the first plane and perpendicular to the first direction.

8. The electronic device according to claim 6, characterized in that: The surface of the second panel facing the connecting member is made of heat-insulating material.

9. The electronic device according to claim 1, characterized in that: The one or more through holes are used to spatially connect the first space and the electronic components arranged on the side of the first panel facing away from the display screen.

10. The electronic device according to claim 9, characterized in that: The electronic component includes a front camera component or a depth sensing camera of the electronic device.

11. The electronic device according to claim 1, characterized in that: Along the third direction, the first area and the second area are both located in the middle of the display screen.

12. The electronic device according to claim 1, characterized in that: The first sealing member includes adhesive backing; and / or the second sealing member includes foam or liquid silicone.

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