Display device

Abstract

The invention provides a display device. The display device comprises a back plate, a lower front shell, a rear cover and a far-field assembly, the front end of the extension plate is attached and fixed in the limiting groove of the lower front shell, the front plate extends oppositely from the rear end of the lower front shell, the front plate approaches the back face of the rear cover, and a preset distance is formed between the front plate and the front end of the lower front shell, so that when a user watches the display device from the center of the front side of the display device, the user can watch the display device conveniently. After the sight line of a user observes the bottom end edge of the lower front shell downwards and backwards, the bottom end edge of the lower front shell blocks the sight line of the user, view blind areas exist at the lower ends of the lower front shell and the rear cover, the far-field shell is located in the view blind areas, the situation that the user observes the far-field shell is effectively avoided, and the user experience is improved. The front end of the limiting groove is closed and the rear end is open; the front end of the extension plate is attached and fixed in the limiting groove, the lower front shell shields the sight of a user, the user is effectively prevented from observing the front end of the extension plate on the front side of the display device, and therefore the function of shielding the far-field shell is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of household electrical appliances, and in particular to a display device. Background Art

[0002] As smart TVs are increasingly used, far-field voice functions have become an essential functional module, which enables the TV to be controlled through voice interaction without the need for a remote control or for viewers to move around. For TVs with far-field voice functions, the sound pickup module used to receive business signals generally has both remote control and switch button functions, and the sound pickup module is fixed in the far-field housing.

[0003] As the frame of a television set becomes narrower and thinner, the internal space thereof becomes smaller and smaller. Therefore, existing television sets tend to move the far-field housing to the outside of the television set body to meet the requirements of existing narrow and thin frame designs.

[0004] In the related art, in order to meet the requirements of remote control functions, indicator lights and production process routing, the far-field housing is generally placed in the front middle of the lower part of the TV. When viewed from the front of the TV, the far-field housing protrudes from the lower edge of the TV, affecting the customer experience. At present, the lower front housing of the TV is often widened or thickened, and the far-field housing is embedded in the lower front housing to play a hidden role, but this method sacrifices the appearance of the lower front housing and increases the cost of materials and production. Summary of the invention

[0005] An object of the present invention is to provide a display device that can effectively prevent a user from observing a far-field housing from the front side of the display device, thereby improving user experience.

[0006] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0007] According to one aspect of the present invention, the present invention provides a display device, comprising a back plate, a lower front shell, a rear cover and a far-field component; the back plate is arranged vertically; a display panel for displaying image information is arranged on the front side of the back plate; the lower front shell is fixed to the bottom end of the back plate to limit the bottom end of the display panel; the lower front shell blocks the bottom end of the back plate and the display panel; a limiting groove is provided on the bottom surface of the lower front shell; the front end of the limiting groove is closed and the rear end is open; the rear cover covers the back of the back plate; the far-field component comprises a far A far-field shell, and a sound pickup module arranged in the far-field shell; the far-field shell comprises an extension plate along a front-to-back extension direction, a front plate extending downward from the rear end of the extension plate, and a bottom plate extending backward from the lower end of the front plate; the front end of the extension plate is attached to and fixed in the limiting groove; the front plate approaches the back of the rear cover and has a gap with the rear cover; the sound pickup module is arranged between the rear side of the front plate and the rear cover; a sound pickup hole is opened on the front plate or the bottom plate, and the sound pickup hole is lower than the lower front shell.

[0008] In some embodiments of the present application, the sound pickup hole is opened on the front panel and is located below the lower front shell; the sound pickup hole is arranged along the front-to-back direction and passes through the front panel; the sound pickup module is attached to the back of the front panel and covers the sound pickup hole; the diameter of the sound pickup hole is greater than 4 mm.

[0009] In some embodiments of the present application, a accommodating cavity is formed between the back side of the back panel and the back cover; a main board is arranged in the accommodating cavity; the upper space of the far-field shell is connected to the accommodating cavity; the pickup module is integrated on the main board and is arranged at the bottom of the main board.

[0010] In some embodiments of the present application, a fixing hole is provided on the back side of the front panel, and a through hole is provided on the bottom end of the main board corresponding to the fixing hole, so that a fastener can be passed through the fixing hole and the through hole to fix the bottom end of the main board and attach it to the back side of the front panel.

[0011] In some embodiments of the present application, the back cover includes a cover plate and an extension plate extending forward from the bottom end of the cover plate; the cover plate covers the back side of the back plate, and the front end of the extension plate abuts against the lower front shell; a receiving opening is provided on the extension plate and passes through the upper and lower parts; the front side of the receiving opening is open and connected to the limiting groove; the rear end of the far-field shell is limited within the receiving opening.

[0012] In some embodiments of the present application, the far-field shell also includes two side panels arranged on the left and right sides of the bottom plate, and a rear plate extending up and down from the rear end of the bottom plate; the side panels are connected to the corresponding left and right sides of the front plate and the bottom plate, and the side panels and the rear plate are attached to the corresponding side walls of the accommodating opening.

[0013] In some embodiments of the present application, the far-field shell also includes a back plate and a card plate extending backward from the upper end of the back plate; a positioning slot with an open front side is formed on the front side of the cover plate or the upper surface of the extension plate; the card plate is engaged backward in the positioning slot to limit the movement of the card plate in the up and down directions.

[0014] In some embodiments of the present application, the front end of the extension plate is located in the limiting groove, and the rear end of the extension plate is located in the accommodating opening.

[0015] In some embodiments of the present application, the far-field shell also includes a reinforcing rib, which is arranged on the bottom surface of the extension plate and extends in the front-to-back direction; the bottom edge of the reinforcing rib is inclined downward in the direction from front to back, and the front end of the bottom edge of the reinforcing rib coincides with the front end edge of the extension plate.

[0016] In some embodiments of the present application, an elastic button and a light guide are provided on the bottom plate, the sound pickup module includes a switch and a light, the elastic button abuts against the switch, and the light is disposed toward and corresponding to the light guide.

[0017] It can be seen from the above technical solution that the present invention has at least the following advantages and positive effects:

[0018] In the present invention, the far-field assembly includes a far-field housing and a sound pickup module disposed in the far-field housing; the far-field housing includes an extension plate extending in a front-to-back direction, a front plate extending downward from the rear end of the extension plate, and a bottom plate extending backward from the lower end of the front plate. The front housing extends downward from the rear end of the extension plate, and a sound pickup hole is provided on the front plate or the bottom plate, so that the sound pickup hole is lower than the lower front housing, and the lower front housing will not block the front side of the sound pickup, thereby effectively ensuring that the sound can be transmitted from the front side to the rear to the sound pickup module in the far-field housing, so as to be able to interact with the user.

[0019] The front end of the extension plate is attached to and fixed in the limiting groove of the lower front shell, the front plate extends from the rear end of the lower front shell toward each other, and the front plate approaches the back of the rear cover, so that the front end of the front plate and the front end of the lower front shell have a preset distance, so that when the user watches the display device at the center of the front side of the display device, after the user's line of sight looks downward and backward to the bottom edge of the lower front shell, the bottom edge of the lower front shell blocks the user's line of sight, and there is a visual blind area at the lower end of the lower front shell and the rear cover, and the far-field shell is located in the visual blind area, which effectively prevents the user from observing the far-field shell, thereby improving the user experience. In addition, a limiting groove is provided on the bottom surface of the lower front shell; the front end of the limiting groove is closed, and the rear end is open; the front end of the extension plate is attached to and fixed in the limiting groove, and the lower front shell blocks the user's downward and backward line of sight, effectively preventing the user from observing the front end of the extension plate at the front side of the display device, thereby playing the role of shielding the far-field shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic structural diagram of a display device embodiment of the present invention.

[0021] Figure 2 yes Figure 1 A schematic structural diagram of the structure shown from one perspective.

[0022] Figure 3 It is a schematic diagram of the exploded structure of an embodiment of the display device of the invention.

[0023] Figure 4 It is a partial structural schematic diagram of the display device of the present invention.

[0024] Figure 5 It is a structural schematic diagram of the lower front shell of the present invention from one viewing angle.

[0025] Figure 6 It is a structural schematic diagram of the lower front shell of the present invention from another viewing angle.

[0026] Figure 7 It is a structural schematic diagram of the back cover of the present invention from one viewing angle.

[0027] Figure 8 It is a structural schematic diagram of the back cover of the present invention from another viewing angle.

[0028] Fig. 9 yes Figure 7 Enlarged view of point A in the middle.

[0029] Fig.10 yes Figure 7 Enlarged view of point B in the middle.

[0030] Fig.11 It is a schematic diagram of the connection between the rear cover and the lower front shell of the present invention.

[0031] Fig.12 It is a schematic diagram of the visual field of a user when viewing the display device in the present invention.

[0032] Fig.13 It is a structural schematic diagram of the far-field housing of the present invention from one viewing angle.

[0033] Fig.14 It is a structural schematic diagram of the far-field housing of the present invention from another perspective.

[0034] Fig.15 It is a schematic diagram of the far-field housing of the present invention on the lower front housing.

[0035] Fig.16 It is a schematic diagram of the far-field housing of the present invention on the back cover.

[0036] Fig.17It is a schematic diagram of the far-field housing of the present invention on the lower front shell and the rear cover.

[0037] Fig.18 It is a structural schematic diagram of the mainboard of the present invention from one viewing angle.

[0038] Fig.19 It is a schematic diagram of the connection between the mainboard and the far-field housing of the present invention.

[0039] Fig. 20 yes Fig.19 A schematic structural diagram of the structure shown from one perspective.

[0040] The reference numerals are as follows: 10, display body; 110, back plate; 120, rear cover; 121, cover plate; 122, extension plate; 123, limiting protrusion; 124, limiting slot; 125, accommodating opening; 126, positioning slot; 127, limiting rib; 130, lower front shell; 131, extension wall; 132, limiting slot; 133, connecting hole; 134, avoidance slot; 135, fastening hole; 136, limiting slot; 140, main board; 141, pickup unit; 142 , sound hole; 143, perforation; 144, positioning hole; 145, switch; 146, light-emitting lamp; 150, base; 20, far-field component; 200, far-field shell; 210, front plate; 220, bottom plate; 221, window; 230, side plate; 240, extension plate; 250, through hole; 260, reinforcing rib; 270, back plate; 280, card plate; 290, elastic button; 201, sound pickup hole; 202, positioning boss; 203, fixing hole; 300, light guide. DETAILED DESCRIPTION

[0041] Typical embodiments that embody the features and advantages of the present invention will be described in detail in the following description. It should be understood that the present invention can have various changes in different embodiments without departing from the scope of the present invention, and the descriptions and illustrations therein are essentially used for illustration purposes rather than for limiting the present invention.

[0042] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0043] Typical embodiments that embody the features and advantages of the present invention will be described in detail in the following description. It should be understood that the present invention can have various changes in different embodiments without departing from the scope of the present invention, and the descriptions and illustrations therein are essentially used for illustration purposes rather than for limiting the present invention.

[0044] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0045] In the related art, in order to meet the requirements of remote control functions, indicator lights and production process routing, the far-field housing is generally placed in the middle front position of the lower part of the TV. When viewed from the front of the TV, the far-field housing protrudes from the lower edge of the TV, affecting the customer experience. At present, the lower front shell of the TV is often widened or thickened, and the far-field housing is embedded in the lower front shell to play a hiding role, but this method sacrifices the appearance of the lower front shell and increases the cost of materials and production. The present application provides a display device to solve the above technical problems.

[0046] For ease of description and understanding, the state of the display device in upright use is used as a reference, the vertical direction is the up-down direction, the direction facing the user is the front, and the direction facing away from the user is the back. The width direction of the display device is the left-right direction.

[0047] Figure 1 It is a schematic structural diagram of a display device embodiment of the present invention. Figure 2 yes Figure 1 A schematic structural diagram of the structure shown from one perspective. Figure 3 It is a schematic diagram of the exploded structure of an embodiment of the display device of the invention. Figure 4 It is a partial structural schematic diagram of the display device of the present invention.

[0048] See also Figures 1 to 4 The present embodiment provides a display device, including a display body 10, and a far-field component 20 disposed at the bottom of the display body 10. The front side of the display body 10 is used to display image information for viewing by a user. The far-field component 20 is used to receive a sound signal generated by a user and convert the sound into an electrical signal for controlling the operation of the display device. The remote control module is integrated in the far-field component 20 so that the display device can be controlled by remote control and voice respectively.

[0049] The display body 10 includes a back plate 110, a back cover 120 fixed to the back of the back plate 110, a display panel (not shown in the figure) fixed to the front side of the back plate 110, a light source (not shown in the figure) and an optical film group (not shown in the figure) arranged on the back plate 110. The light source, the optical film group and the display panel are arranged in sequence from the back to the front. The light emitted by the light source passes through the optical film group and is projected onto the display panel, and the image information is displayed on the display panel after the light is emitted by the light source.

[0050] The light source is used to emit light. The light source and the optical film group are arranged in parallel. The light source is located on the light incident side behind the optical film group to emit light toward the optical film group. The optical film group is located in front of the backlight source so that after the light passes through the optical film group, uniform white light can be obtained on the light exit side in front of the optical film group.

[0051] The light source, the optical film set and the display panel are all fixed on the front side of the back plate 110 .

[0052] The back plate 110 is the main support of the display device. The back plate 110 is arranged in a vertical direction. The peripheral edge of the back plate 110 is formed with a frame protruding forward. The frame is arranged around the periphery and extends around the edge of the back plate 110. The frame extends forward beyond the front side of the back plate 110. The frame and the back plate 110 enclose a mounting cavity with an opening on the front side for mounting a backlight source and an optical film assembly. The display panel is fixed at the front end of the frame.

[0053] The frame may be a middle frame that fixes the peripheral edge of the back plate 110. The middle frame covers the edge of the back plate 110, and the middle frame surrounds the peripheral edge of the back plate 110. In some embodiments, the frame and the back plate 110 are formed integrally, and the edge of the back plate 110 extends forward to form a frame, and the frame is arranged around the circumference.

[0054] A lower front shell 130 extending in the left-right direction is provided at the bottom of the back plate 110. The lower front shell 130 is fixed to the bottom end of the back plate 110. The lower front shell 130 is separately processed and formed and then fixed to the back plate 110. In other embodiments, the bottom edge of the back plate 110 extends forward to form the lower front shell 130.

[0055] The backlight source is an LED light board, which is attached to the bottom surface of the mounting cavity, and the LED light board emits white light forward toward the optical film group. In some embodiments, there is a gap between the backlight source and the optical film group in the up and down directions to form a light mixing distance. In other embodiments, the backlight source and the optical film group are attached in the up and down directions.

[0056] The optical film group is arranged in front of the backlight source and is spaced apart from the backlight source to improve the uniformity of the light source and enhance the brightness of the light source. The optical film group includes a diffusion plate and a plurality of films arranged in sequence. The plurality of films include a brightness enhancement film and a plurality of prism films, or the plurality of films include a plurality of prism films.

[0057] The display panel is located in front of the optical film group. The light in the optical film group is transmitted forward to the display panel. The liquid crystal molecules in the display panel are deflected by the electric field stimulation, which reduces the transmission rate of the light emitted from the optical film group to the liquid crystal panel, and then projects the light into filters of different colors to form an image.

[0058] The rear cover 120 covers the back of the back plate 110, and a receiving cavity is formed between the front side of the rear cover 120 and the back of the back plate 110. The main board 140, the power board and other driving components are arranged in the receiving cavity. The main board 140, the power board and other driving components are located within the enclosure of the rear cover 120, so that the components in the rear cover 120 are protected by the rear cover 120.

[0059] The mainboard 140 is mainly used to calculate the control system of the display device and output relevant operation instructions accordingly. The mainboard 140 has a large number of electronic components, which mainly transmit the operation instructions output by the mainboard 140 to the corresponding operation terminals.

[0060] The power board is separately arranged or integrated on the main board 140 and fixed on the back of the back plate 110. It is mainly used to provide a driving voltage or a stable working voltage to the main board 140 and keep the output current stable when the circuit on the main board 140 is working.

[0061] Other driving components include speakers and socket strips. The speaker is arranged on the back of the back panel 110, and is mainly used to cooperate with the interface displayed by the display panel to produce corresponding sounds. The socket strip is provided with multiple different types of interfaces for connecting external devices. To receive signals from external devices or output signals to external devices. In some embodiments, the socket strip is integrated on the mainboard 140. Other driving components can be structures such as a remote control module or a voice module.

[0062] The display body 10 is further provided with a base 150 , which is fixed on the back plate 110 or the back cover 120 . The lower end of the base 150 exceeds the display body 10 to support the display body 10 .

[0063] Part of the structure of the display device refers to the corresponding structure of the display device in the related art, and will not be described in detail here.

[0064] Figure 5 It is a structural schematic diagram of the lower front shell of the present invention from one viewing angle. Figure 6 It is a structural schematic diagram of the lower front shell of the present invention from another viewing angle.

[0065] See also Figures 1 to 6 The lower front shell 130 extends in the left-right direction, and an extension wall 131 extending backward is formed on the lower front shell 130, and the far-field assembly 20 is fixed on the extension wall 131. The extension wall 131 is located below the display panel and the back plate 110. The lower front shell 130 is fixed to the bottom end of the back plate 110 to limit the bottom end of the display panel; the lower front shell 130 blocks the bottom end of the back plate 110 and the display panel.

[0066] A limiting groove 132 is provided on the bottom surface of the lower front shell 130. Specifically, a limiting groove 132 is provided on the bottom surface of the extension wall 131 to cooperate with the far field assembly 20 and clamp the far field assembly 20 on the lower front shell 130. The rear end of the limiting groove 132 penetrates to the rear end of the extension wall 131, and the front end of the limiting groove 132 is closed.

[0067] In this embodiment, the limiting groove 132 is disposed in the middle of the lower front shell 130 in the left-right direction. In some embodiments, the limiting groove 132 is disposed eccentrically in the left-right direction of the lower front shell 130 .

[0068] A connection hole 133 is provided on the bottom wall of the limiting groove 132, and the connection hole 133 is used to cooperate with the far-field component 20 to fix the far-field component 20 on the lower front shell 130. The connection hole 133 is a threaded hole so that a fastener can penetrate the far-field component 20 and the connection hole 133.

[0069] One or more connection holes 133 are provided. In this embodiment, two connection holes 133 are provided at intervals along the left-right direction.

[0070] The bottom rear end of the upper extension wall 131 of the lower front shell 130 is also provided with a avoiding groove 134, which is provided on the rear end of the bottom surface of the extending wall 131, and the avoiding groove 134 is closed along the front end and open at the rear end. The avoiding groove 134 extends in the left-right direction.

[0071] A fastening hole 135 and a limiting hole 136 are formed on the bottom surface of the extension wall 131 of the lower front shell 130 . The fastening hole 135 and the limiting hole 136 are formed on the bottom wall of the upper side of the avoiding groove 134 to fix and limit the rear cover 120 .

[0072] Figure 7 It is a structural schematic diagram of the back cover of the present invention from one viewing angle. Figure 8 It is a structural schematic diagram of the back cover of the present invention from another viewing angle. Fig. 9 yes Figure 8 Enlarged view of point A in the middle. Fig.10 yes Figure 8 Enlarged view of point B in the middle.

[0073] See also Figures 2 to 10 , the back cover 120 covers the back of the back plate 110. The back cover 120 includes a cover plate 121 and an extension plate 122 extending forward from the bottom end of the cover plate 121; the cover plate 121 covers the back of the back plate 110. A receiving cavity is formed between the front side of the cover plate 121 and the back of the back plate 110, so that a receiving cavity is formed between the back of the back plate 110 and the back cover 120, and the main board 140 is received in the receiving cavity.

[0074] The front end of the extension plate 122 extends forward and abuts against the lower front shell 130. The upper surface of the front end of the extension plate 122 fits in the avoidance groove 134 on the lower front shell 130. At least part of the front end of the extension plate 122 is accommodated in the avoidance groove 134, so that the extension plate 122 is hidden and shielded by the lower front shell 130, and the front end of the extension plate 122 and the lower front shell 130 are kept closed.

[0075] The extension plate 122 and the extension wall 131 of the lower front shell 130 are connected by a structure such as a snap-fit ​​or a fastener, and the extension plate 122 and the lower front shell 130 are fixed by a corresponding snap-fit ​​structure or a screw hole between the extension plate 122 and the lower front shell 130 .

[0076] In this embodiment, a through hole (not shown in the figure) is provided on the extension plate 122, and the through hole and the fastening hole 135 on the lower front shell 130 are arranged in a corresponding position, so that the extension plate 122 and the extension wall 131 can be fixed by fasteners penetrating the corresponding through hole and the fastening hole 135. The fastening hole 135 is a threaded hole, and the fastener is a structural member such as a bolt or a screw. A limiting protrusion 123 is provided at the front end of the upper surface of the extension plate 122, and the limiting protrusion 123 is used to extend into and engage in the limiting clamping hole 136 on the lower front shell 130. The rear end of the limiting protrusion 123 overlaps the rear side wall of the limiting clamping hole 136 to limit the backward movement of the extension plate 122.

[0077] The extension plate 122 is provided with wire grooves on the left and right sides of the limiting protrusion 123, and the wire grooves penetrate the extension plate 122 in the up-down direction, and the front end of the wire grooves penetrates the front end of the lower front shell 130, so that the portion of the extension plate 122 where the limiting protrusion 123 is provided has elasticity and can be elastically deformed, so as to facilitate the limiting protrusion 123 to be engaged in the limiting clamping hole 136. The front end side surface of the limiting protrusion 123 is a slope inclined backward in the downward-upward direction for guiding, so as to facilitate the limiting protrusion 123 to move from the rear end of the extension wall 131 to the limiting clamping hole 136.

[0078] A limit slot 124 is provided at the front end of the upper surface of the extension plate 122, and the limit slot 124 is engaged with the rear end edge of the extension wall 131 to limit the up and down movement between the extension plate 122 and the extension wall 131, and keep the extension plate 122 in contact with the avoidance slot 134 on the bottom surface of the extension wall 131. In this embodiment, a protruding limit cam is provided on the upper surface of the extension plate 122, and the limit cam extends upward and then extends forward, so that the limit slot 124 is enclosed between the limit cam and the upper surface of the extension plate 122.

[0079] Fig.11 It is a schematic diagram of the connection between the rear cover and the lower front shell of the present invention.

[0080] See also Figures 2 to 11 The extension plate 122 is provided with an accommodating opening 125 which passes through from top to bottom and is used for limiting and accommodating the far-field component 20 . The accommodating opening 125 is located below the accommodating cavity between the rear cover 120 and the back plate 110 and is connected to the accommodating cavity.

[0081] In this embodiment, the receiving opening 125 penetrates forward through the front end of the extension plate 122 , and the front end of the receiving opening 125 is connected to the rear end of the limiting groove 132 , so that the far-field component 20 is limited between the limiting groove 132 and the receiving opening 125 along the front-to-back direction.

[0082] A positioning slot 126 with an open front side is formed on the front side of the cover plate 121 or the upper surface of the extension plate 122, and the positioning slot 126 is used to engage the limiting far-field assembly 20. In this embodiment, a protruding positioning protrusion is formed on the upper surface of the extension plate 122 behind the accommodating opening 125, and the positioning protrusion extends upward and then forward, and the positioning slot 126 is formed between the positioning protrusion and the upper surface of the extension plate 122.

[0083] In this embodiment, the extension plate 122 protrudes downward at the avoidance position behind the accommodating opening 125 to form a limiting rib 127, and the rear end of the limiting rib 127 is connected to the rear cover 120 as a whole. The limiting rib 127 includes a horizontal section and connecting sections extending upward from both ends of the horizontal section, and the upper end of the connecting section is connected to the extension plate 122 as a whole. The positioning protrusion is convexly provided on the limiting rib 127.

[0084] Fig.12 It is a schematic diagram of the visual field of a user when viewing the display device in the present invention. Fig.13 It is a structural schematic diagram of the far-field housing of the present invention from one viewing angle. Fig.14 It is a structural schematic diagram of the far-field housing of the present invention from another perspective. Fig.15 It is a schematic diagram of the far-field housing of the present invention on the lower front housing. Fig.16 It is a schematic diagram of the far-field housing of the present invention on the back cover. Fig.17 It is a schematic diagram of the far-field housing of the present invention on the lower front shell and the rear cover.

[0085] See also Figures 2 to 17 The far field assembly 20 includes a far field housing 200 and a sound pickup module disposed in the far field housing 200. The far field housing 200 is fixed to the bottom end of the lower front housing 130 and / or the bottom end of the rear cover 120. The sound pickup module is disposed in the upper space of the far field housing 200.

[0086] It should be noted that, in this embodiment, the pickup module is integrated on the main board 140, and the far-field housing 200 is located below the main board 140. In some embodiments, the pickup module is provided separately, the pickup module and the main board 140 are two structural members, and the pickup module is fixed separately in the far-field housing 200 and is located above the far-field housing 200.

[0087] In one embodiment:

[0088] The far-field shell 200 is limited in the accommodating opening 125 of the rear cover 120 and is arranged close to the cover plate 121, so that the far-field shell 200 is located behind the lower front shell 130; the far-field shell 200 extends downward beyond the bottom end of the lower front shell 130 and the bottom end of the extension plate 122; a sound pickup hole 201 is opened on the far-field shell 200, and the sound pickup hole 201 is located below the lower front shell 130 and the extension plate 122; the sound pickup module is located above the far-field shell 200 and is at least partially located in the far-field shell 200.

[0089] The sound pickup hole 201 is located below the lower front shell 130 and the extension plate 122. The lower front shell 130 and the rear cover 120 will not block the front side of the sound pickup, thereby effectively ensuring that the sound can be transmitted from the front side to the rear side to the sound pickup module in the far-field housing 200, so as to be able to interact with the user. The far-field housing 200 is limited in the receiving opening 125 of the rear cover 120 and is arranged close to the cover plate 121, so that the far-field housing 200 is located behind the lower front shell 130, so that when the user is viewing the display device at the front center of the display device, after the user's line of sight is downward and backward to the bottom edge of the lower front shell 130, the bottom edge of the lower front shell 130 blocks the user's line of sight, effectively preventing the user from observing the far-field housing 200, thereby improving the user's experience.

[0090] The far field housing 200 includes a front plate 210 arranged vertically, a bottom plate 220 extending backward from the lower end of the front plate 210, and side plates 230 arranged on the left and right sides of the front plate 210; the side plates 230 are connected to the corresponding left and right sides of the front plate 210 and the bottom plate 220. The front plate 210 and the side plates 230 extend upward into and engage with the receiving opening 125, so that the far field housing 200 is limited in the receiving opening 125.

[0091] The sound pickup hole 201 is formed on the front plate 210 and penetrates the front plate 210 in the front-to-back direction, so that the sound can be directly transmitted to the sound pickup hole 201 backwards.

[0092] In this embodiment, the far field shell 200 also includes an extension plate 240 extending forward from the upper end of the front plate 210, and the extension plate 240 extends in a horizontal forward direction. The extension plate 240 is fixed or limited at the bottom of the lower front shell 130, so that the far field shell 200 is limited at the bottom of the lower front shell 130 and the rear cover 120.

[0093] In some embodiments, the far field housing 200 is not provided with an extension plate 240, and the far field housing 200 is completely located within the front and rear range of the rear cover 120 in the front and rear directions, and the far field housing 200 is fixed to the rear cover 120 by fasteners and snap-fitting. When the extension plate 240 is not provided, the lower front shell 130 does not need to be provided with a limiting groove 132.

[0094] In this embodiment, an extension plate 240 is provided on the far-field shell 200, and the front end of the extension plate 240 is attached to and fixed in the limiting groove 132. The front end of the limiting groove 132 is closed, and the rear end is open, so as to ensure that at least a part of the extension plate 240 is accommodated in the limiting groove 132, so that the extension plate 240 can be fully broken by the bottom edge of the limiting groove 132, effectively avoiding the extension plate 240 from being observed by the line of sight.

[0095] In this embodiment, the far-field assembly 20 includes a far-field housing 200 and a sound pickup module disposed in the far-field housing 200; the front housing extends downward from the rear end of the extension plate 240, and a sound pickup hole 201 is provided on the front plate 210 or the bottom plate 220, so that the sound pickup hole 201 is lower than the lower front housing 130, and the lower front housing 130 does not block the front side of the sound pickup, thereby effectively ensuring that the sound can be transmitted from the front side to the rear to the sound pickup module in the far-field housing 200, so as to be able to interact with the user. It is ensured that when the far-field housing 200 is in the blind spot of the field of vision, the voice interaction of the far-field assembly 20 is not affected.

[0096] The far-field shell 200 is limited in the accommodating opening 125 and is arranged close to the cover plate 121, so that the far-field shell 200 is located behind the lower front shell 130, and the front end of the front plate 210 and the lower front shell 130 have a preset distance, so that when the display device is viewed at the front center of the display device, after the user's line of sight looks downward and backward to the bottom edge of the lower front shell 130, the bottom edge of the lower front shell 130 blocks the user's line of sight, and there is a blind spot at the lower ends of the lower front shell 130 and the rear cover 120. The far-field shell 200 is located in the blind spot, which effectively prevents the user from observing the far-field shell 200, thereby improving the user experience.

[0097] In another embodiment:

[0098] The bottom surface of the lower front shell 130 is provided with a limiting groove 132; the front end of the limiting groove 132 is closed and the rear end is open. The far field assembly 20 includes a far field shell 200 and a pickup module arranged in the far field shell 200; the far field shell 200 includes an extension plate 240 extending in the front-to-back direction, a front plate 210 extending downward from the rear end of the extension plate 240, and a bottom plate 220 extending backward from the lower end of the front plate 210; the front end of the extension plate 240 is attached and fixed in the limiting groove 132; the front plate 210 approaches the back of the rear cover 120 and has a gap with the rear cover 120; the pickup module is arranged between the rear side of the front plate 210 and the rear cover 120; a pickup hole 201 is provided on the front plate 210 or the bottom plate 220, and the pickup hole 201 is lower than the lower front shell 130.

[0099] In this embodiment, the front end of the extension plate 240 is attached to and fixed in the limiting groove 132 of the lower front shell 130, the front plate 210 extends toward each other from the rear end of the lower front shell 130, and the front plate 210 approaches the back of the rear cover 120, so that the front ends of the front plate 210 and the lower front shell 130 have a preset distance, so that when a user watches the display device at the front center of the display device, after the user's line of sight looks downward and backward to the bottom edge of the lower front shell 130, the bottom edge of the lower front shell 130 blocks the user's line of sight, and there is a blind spot at the lower ends of the lower front shell 130 and the rear cover 120, and the far-field shell 200 is located in the blind spot, which effectively prevents the user from observing the far-field shell 200, thereby improving the user experience. A limiting groove 132 is provided on the bottom surface of the lower front shell 130; the front end of the limiting groove 132 is closed and the rear end is open; the front end of the extension plate 240 is attached to and fixed in the limiting groove 132, and the lower front shell 130 blocks the user's downward and backward vision, effectively preventing the user from observing the front end of the extension plate 240 on the front side of the display device, thereby playing the role of shielding the far-field shell 200.

[0100] It should be noted that, in a specific embodiment, the extension plate 240 is limited on the bottom plate 220 , the front plate 210 is located at the rear end of the extension plate 240 , and the other parts of the rear cover 120 except the extension plate 240 do not need to be fixed on the rear cover 120 .

[0101] In this embodiment, the far-field assembly 20 includes a far-field housing 200 and a sound pickup module disposed in the far-field housing 200; the far-field housing 200 includes an extension plate 240 extending in a front-to-back direction, a front plate 210 extending downward from the rear end of the extension plate 240, and a bottom plate 220 extending backward from the lower end of the front plate 210. The front housing extends downward from the rear end of the extension plate 240, and a sound pickup hole is provided on the front plate 210 or the bottom plate 220, so that the sound pickup hole is lower than the lower front housing 130, and the lower front housing 130 will not block the front side of the sound pickup, thereby effectively ensuring that the sound can be transmitted from the front side to the back to the sound pickup module in the far-field housing 200, so as to interact with the user.

[0102] See again Figures 2 to 17 In the present application, a through hole 250 is provided on the front plate 210 and a connecting hole 133 is provided on the bottom wall of the limiting groove 132 corresponding to the through hole 250, so that a fastener can be used to connect the through hole 250 and the connecting hole 133, thereby fixing the front plate 210 on the extension wall 131 of the lower front shell 130. In some embodiments, the front plate 210 and the lower front shell 130 are limited by structures such as buckles and hooks.

[0103] The far field housing 200 further includes a reinforcing rib 260, which is disposed on the bottom surface of the extension plate 240 and extends in the front-to-back direction. The arrangement of the reinforcing rib 260 enhances the structural strength of the extension plate 240. The rear end of the reinforcing rib 260 is connected to the front plate 210. Two reinforcing ribs 260 are arranged at intervals in the left-right direction, and the two reinforcing ribs 260 are respectively arranged at the left and right edges of the extension plate 240 and the front plate 210.

[0104] The bottom edge of the reinforcing rib 260 is tilted downward from front to back, and the front end of the bottom edge of the reinforcing rib 260 coincides with the front end edge of the extension plate 240, effectively preventing the reinforcing rib 260 from being observed by the user's backward and downward vision.

[0105] In this embodiment, the far-field housing 200 further includes a rear plate 270 and a clamping plate 280 extending backward from the upper end of the rear plate 270 ; the clamping plate 280 is clamped backward in the positioning clamping slot 126 to limit the vertical movement of the clamping plate 280 . The lower edge of the rear plate 270 is in contact with the limiting rib 127 .

[0106] The upper ends of the rear panel 270 and the card panel 280 are lower than the front panel 210 and the side panel 230, so that the upper side of the rear end of the far field shell 200 is open, thereby allowing more space between the rear side of the front panel 210 of the far field shell 200, so that there is enough space between the back of the front panel 210 and the rear cover 120 to control the pickup module, so that the front shell is moved closer to the cover panel 121 and the far field shell 200 is more effectively hidden.

[0107] In this embodiment, a positioning boss 202 is provided on the back of the front plate 210 for limiting the position of the sound pickup module. A fixing hole 203 is provided on the back of the front plate 210 for fixing the sound pickup module.

[0108] Fig.18 It is a structural schematic diagram of the mainboard of the present invention from one viewing angle. Fig.19 It is a schematic diagram of the connection between the mainboard and the far-field housing of the present invention. Fig. 20 yes Fig.19 A schematic structural diagram of the structure shown from one perspective.

[0109] See also Figures 2 to 20 In this embodiment, the sound pickup module is integrated on the main board 140. In some embodiments, the sound pickup module is provided separately and is separated from the main board 140.

[0110] The sound pickup module includes a sound pickup control board and a sound pickup unit 141 disposed on the sound pickup control board, and the front side of the sound pickup control board is attached to and fixed to the back side of the front plate 210. In this embodiment, the sound pickup control board is the main board 140, and the sound pickup unit 141 is disposed on the main board 140, and a sound hole 142 for sound to pass through is opened on the main board 140; the sound pickup unit 141 is fixed to the side of the main board 140 facing away from the front plate 210, so as to convert the received sound signal into an electrical signal; the diameter of the sound hole 142 is smaller than the diameter of the sound pickup hole 201.

[0111] In this embodiment, the sound pickup hole 201 is arranged on the front plate 210, and the front plate 210 is arranged behind the lower front shell 130, and is constructed so that the front plate 210 is located in the blind area of ​​the user's field of vision. Therefore, the sound pickup hole 201 is also located in the blind area of ​​the user's field of vision, so that the aperture of the sound pickup hole 201 can be set larger to better collect sound information. By setting the sound pickup hole 201 with a large aperture, there is no need to set a sealant between the sound pickup control board and the back of the front plate 210, and it can also ensure that a sufficient number of sound information is transmitted to the sound pickup unit 141. In a specific embodiment, the diameter of the sound pickup hole 201 is greater than 4 mm.

[0112] One or more sound pickup holes 201 are provided along the left-right direction. In this embodiment, two sound pickup holes 201 are provided at intervals along the left-right direction.

[0113] The upper space of the far-field housing 200 is connected to the accommodating cavity; the pickup module is integrated on the main board 140 and is arranged at the bottom of the main board 140. Specifically, the bottom of the main board 140 is close to the bottom plate 220, and the front side of the bottom of the main board 140 is attached to and fixed on the back of the front plate 210.

[0114] The bottom end of the main board 140 is provided with a through hole 143 corresponding to the fixing hole 203, so that a fastener can be passed through the fixing hole 203 and the through hole 143 to fix and fit the bottom end of the main board 140 to the back of the front board 210. The main board 140 is provided with a positioning hole 144 that passes through from front to back to cooperate with the positioning boss 202 on the back of the front board 210 to position the main board 140 before it is fixed.

[0115] An elastic button 290 is disposed on the bottom plate 220 of the far-field housing 200 . The pickup module further includes a switch 145 disposed at the bottom end of the main board 140 . The elastic button 290 abuts against the switch to control the opening and closing of the display device by pressing the elastic button 290 .

[0116] The pickup module also includes a light emitting lamp 146 disposed at the bottom end of the mainboard 140, and a light guide 300 is disposed on the bottom plate 220 of the far-field housing 200, and the light emitting lamp 146 is disposed toward and corresponding to the light guide 300. The light guide 300 is used for emitting light indication. In this embodiment, a window 221 is provided on the bottom plate 220 of the far-field housing 200, and the light guide 300 passes through the window 221, so that one end of the light guide 300 is located in the far-field housing 200 and faces the light emitting lamp 146, and the other end of the light guide 300 passes through the far-field housing 200 and is exposed to the outside of the display device.

[0117] The sound pickup module includes a switch and a light 146 . The elastic button 290 abuts against the switch, and the light 146 faces and corresponds to the light guide 300 .

[0118] Although the present invention has been described with reference to several typical embodiments, it should be understood that the terms used are illustrative and exemplary, rather than restrictive. Since the present invention can be embodied in a variety of forms without departing from the spirit or essence of the invention, it should be understood that the above embodiments are not limited to any of the foregoing details, but should be interpreted broadly within the spirit and scope defined by the appended claims, so all changes and modifications falling within the scope of the claims or their equivalents should be covered by the appended claims.

Claims

1. A display device, characterized in that: include: A back plate is arranged in a vertical direction; a display panel for displaying image information is arranged on the front side of the back plate; A lower front shell, which is fixed to the bottom end of the back plate to limit the bottom end of the display panel; the lower front shell blocks the bottom end of the back plate and the display panel; a limiting groove is provided on the bottom surface of the lower front shell; the front end of the limiting groove is closed and the rear end is open; A rear cover, which covers the back of the back plate; A far-field component comprises a far-field shell and a sound pickup module arranged in the far-field shell; the far-field shell comprises an extension plate extending in a front-to-back direction, a front plate extending downward from the rear end of the extension plate, and a bottom plate extending backward from the lower end of the front plate; the front end of the extension plate is attached to and fixed in the limiting groove; the front plate approaches the back of the rear cover and has a gap with the rear cover; the sound pickup module is arranged between the rear side of the front plate and the rear cover; a sound pickup hole is opened on the front plate or the bottom plate, and the sound pickup hole is lower than the lower front shell.

2. The display device according to claim 1, characterized in that The sound pickup hole is opened on the front panel and is located below the lower front shell; the sound pickup hole is arranged along the front-to-back direction and passes through the front panel; the sound pickup module is attached to the back of the front panel and covers the sound pickup hole; the diameter of the sound pickup hole is greater than 4 mm.

3. The display device according to claim 1, characterized in that A receiving cavity is formed between the back side of the back plate and the back cover; a main board is arranged in the receiving cavity; the upper space of the far-field housing is communicated with the receiving cavity; the sound pickup module is integrated on the main board and arranged at the bottom of the main board.

4. The display device according to claim 3, characterized in that: A fixing hole is provided on the back of the front panel, and a through hole is provided on the bottom of the main panel corresponding to the fixing hole, so that a fastener can be passed through the fixing hole and the through hole to fix the bottom of the main panel and fit it on the back of the front panel.

5. The display device according to claim 1, characterized in that The back cover includes a cover plate and an extension plate extending forward from the bottom end of the cover plate; the cover plate covers the back side of the back plate, and the front end of the extension plate abuts against the lower front shell; a receiving opening is provided on the extension plate and passes through from top to bottom; the front side of the receiving opening is open and connected to the limiting groove; the rear end of the far-field shell is limited in the receiving opening.

6. The display device according to claim 5, characterized in that: The far-field housing also includes two side panels arranged on the left and right sides of the bottom plate, and a rear panel extending up and down from the rear end of the bottom plate; the side panels are connected to the corresponding left and right sides of the front plate and the bottom plate, and the side panels and the rear panel are attached to the corresponding side walls of the accommodating opening.

7. The display device according to claim 6, characterized in that: The far-field housing also includes a rear plate and a card plate extending backward from the upper end of the rear plate; a positioning card slot with an open front side is formed on the front side of the cover plate or the upper surface of the extension plate; the card plate is engaged backward in the positioning card slot to limit the movement of the card plate in the up and down directions.

8. The display device according to claim 6, characterized in that: The front end of the extension plate is located in the limiting groove, and the rear end of the extension plate is located in the accommodating opening.

9. The display device according to claim 1, characterized in that: The far-field shell also includes a reinforcing rib, which is arranged on the bottom surface of the extension plate and extends in the front-to-back direction; the bottom edge of the reinforcing rib is arranged to be inclined downward from the front to the back, and the front end of the bottom edge of the reinforcing rib coincides with the front end edge of the extension plate.

10. The display device according to claim 1, characterized in that: The bottom plate is provided with an elastic button and a light guide, the sound pickup module comprises a switch and a light emitting lamp, the elastic button abuts against the switch, and the light emitting lamp faces and corresponds to the light guide.

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