Suspended vehicle-mounted multimedia and multi-degree-of-freedom adjusting structure thereof
By using a multi-degree-of-freedom adjustment structure, the problem of the inability to adjust the position and orientation of in-vehicle multimedia displays has been solved, enabling flexible adjustment of the display and meeting individual needs.
Patent Information
- Application Number
- CN202423222353.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-24
AI Technical Summary
Existing in-vehicle multimedia displays cannot be adjusted in position and orientation, which obstructs the original vehicle operation buttons and fails to meet the individual needs of different drivers and passengers.
It adopts a multi-degree-of-freedom adjustment structure, including a back plate, a sliding frame and a rotating frame, and adjusts the position and orientation of the display by translation and rotation along the Z1, X1, Y axes and the Z2, X2 axes.
It enables flexible adjustment of the display, avoids obstructing the original vehicle operation buttons, and meets the individualized needs of different drivers and passengers.
Smart Images

Figure CN223672408U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of vehicle-mounted multimedia, specifically is a kind of suspension type vehicle-mounted multimedia and its multi-degree-of-freedom adjusting structure. BACKGROUND
[0002] Vehicle-mounted multimedia has become one of important components in automobile cabin, and the man-machine interaction of vehicle-mounted multimedia is generally realized by display.In traditional automobile, display is mainly used for multimedia (including video and music) display;With the development of new energy automobile, the function of display is greatly expanded, and in addition to multimedia display function, vehicle control can also be realized through man-machine interaction.
[0003] With the development of automobile technology and culture, automobile modification is more and more favored by users.Especially, in the process of vehicle-mounted multimedia modification, due to the large size of display, some operation buttons on the original vehicle console are often blocked, which interferes with the operation of the driver and passenger through these operation buttons.
[0004] In addition, with the gradual increase of display function, the driver and passenger operate the display more and more.On the one hand, the display needs to be convenient for the driver to operate, and on the other hand, the display also needs to be able to enjoy the experience when performing multimedia interaction such as video and music.Due to individual differences, different drivers and passengers have different requirements for the best installation position and direction of display, however, the existing display is mostly fixedly installed on the center console of automobile, and the position and direction of display cannot be adjusted, which cannot meet the individual needs of different drivers and passengers. SUMMARY
[0005] Therefore, the utility model aims at providing a kind of suspension type vehicle-mounted multimedia and its multi-degree-of-freedom adjusting structure, through the way of multi-degree-of-freedom installation, the installation position and direction of display can be adjusted, avoid blocking original operation button and meet different individual needs.
[0006] To achieve the above purpose, the utility model provides the following technical scheme:
[0007] The utility model provides a kind of multi-degree-of-freedom adjusting structure, including backplate and connecting seat, the backplate is fixedly installed on the back of display;First sliding frame is installed on the backplate and is slidably matched with it, the first sliding frame can be adjusted along the installation position of Z1 axis translational direction relative to the backplate;Second sliding frame is installed on the first sliding frame and is slidably matched with it, the second sliding frame can be adjusted along the installation position of X1 axis translational direction relative to the first sliding frame;First rotating frame is equipped on the second sliding frame, second rotating frame is installed on the first rotating frame and is rotatably matched with it, the first rotating frame can be adjusted around the installation position of Z2 axis rotational direction relative to the second rotating frame;Third sliding frame is installed on the second rotating frame, the second rotating frame can be rotated around X2 axis direction relative to the third sliding frame and adjust around the installation position of X2 axis rotational direction;The third sliding frame is slidably matched with the connecting seat, and the third sliding frame can be adjusted along the installation position of Y axis translational direction relative to the connecting seat;The X1 axis is perpendicular to Z1 axis, the X2 axis, Y axis and Z2 axis are perpendicular to each other.
[0008] Further, the backplate includes a cover plate and a first mounting bracket, the cover plate is fixedly connected with the back of the display, and the first mounting bracket is fixedly connected with the cover plate; both ends of the first mounting bracket are respectively provided with first mounting pieces parallel to the direction of Z1 axis, both ends of the first sliding frame are respectively provided with first connecting pieces parallel to the direction of Z1 axis, a plurality of first mounting holes are arranged on the first mounting pieces along the direction of Z1 axis, and first connecting holes corresponding to the first mounting holes are arranged on the first connecting pieces.
[0009] Further, the cover plate is provided with a positioning plate located inside the first mounting piece, the first connecting piece is located outside the first mounting piece, a first cover plate is installed on the positioning plate, and the first connecting piece is located between the first cover plate and the first mounting piece.
[0010] Further, a damping piece is installed on the first connecting piece, first damping holes corresponding to the first mounting holes are arranged on the first mounting bracket, and first damping protrusions matched with the first damping holes are arranged on the damping piece.
[0011] Further, the upper and lower sides of the first sliding frame are respectively provided with second mounting pieces parallel to the direction of X1 axis, and the upper and lower sides of the second sliding frame are respectively provided with second connecting pieces parallel to the direction of X1 axis; a plurality of second mounting holes are arranged on the second mounting pieces along the direction of X1 axis, and second connecting holes corresponding to the second mounting holes are arranged on the second connecting pieces.
[0012] Further, the second connecting piece is located outside the corresponding second mounting piece, and a second cover plate is installed on the second connecting piece.
[0013] Further, the first rotating frame and the second rotating frame are respectively provided with a first shaft hole parallel to the Z2 axis direction, the second rotating frame is provided with a plurality of third mounting holes, and the first rotating frame is provided with a third connecting hole corresponding to the third mounting hole; when the first rotating frame rotates to a set angle position relative to the second rotating frame, only one third connecting hole is aligned with the corresponding third mounting hole.
[0014] Further, the second rotating frame and the third sliding frame are respectively provided with a second shaft hole parallel to the X2 axis direction, the third sliding frame is provided with a plurality of fourth mounting holes, and the second sliding frame is provided with a fourth connecting hole corresponding to the fourth mounting hole; when the second rotating frame rotates to a set angle position relative to the third sliding frame, only one fourth connecting hole is aligned with the corresponding fourth mounting hole.
[0015] Further, the third sliding frame is provided with a second damping hole for positioning the rotation angle position of the second rotating frame relative to the third sliding frame, and the second rotating frame is provided with a second damping protrusion corresponding to the second damping hole.
[0016] Further, the left and right sides of the third sliding frame are respectively provided with a third mounting piece parallel to the Y direction, a plurality of third mounting holes are arranged on the third mounting piece along the Y axis direction, and a third connecting hole corresponding to the third mounting hole is arranged on the connecting seat.
[0017] Further, the connecting seat is provided with a machine case frame.
[0018] The utility model further provides a kind of suspension type vehicle-mounted multimedia, including display and the multi-degree-of-freedom adjusting structure described above, and the back plate is fixedly connected with the back of display.
[0019] The utility model has the advantages that:
[0020] The multi-degree-of-freedom adjusting structure of the utility model, through installing the first sliding frame on the back plate to realize the installation position adjustment of the display in the Z1 axis translation direction, through installing the second sliding frame on the first sliding frame to realize the installation position adjustment of the display in the X1 axis translation direction, through installing the third sliding frame on the connecting seat to realize the installation position adjustment of the display in the Y axis translation direction, through setting the first rotating frame and the second rotating frame, the installation position adjustment of the display in the Z2 axis rotating direction can be realized, meanwhile, the second rotating frame can also rotate relative to the third sliding frame around the X2 axis to realize the installation position adjustment of the display in the X2 axis rotating direction, in conclusion, after adopting the multi-degree-of-freedom adjusting structure of the utility model, the display can carry out the translation position adjustment in the X1 axis, Y axis and Z1 axis three directions and the rotating position adjustment in the X2 axis and Z2 axis two directions, in this way, the display position can be adjusted flexibly, the operation button of the original vehicle center console is avoided from being shielded by the display, in addition, different drivers and passengers can conveniently adjust the installation position and direction of the display according to their own needs, different individual needs can be met. BRIEF DESCRIPTION OF DRAWINGS
[0021] In order to make the purpose, technical scheme and beneficial effect of the utility model more clear, the utility model provides the following drawings for description:
[0022] Figure 1 It is the structure schematic view of the utility model suspension type vehicle-mounted multimedia embodiment;
[0023] Figure 2 It is Figure 1 A-A sectional view of the utility model;
[0024] Figure 3 It is Figure 2 B-B sectional view of the utility model;
[0025] Figure 4 It is the structure schematic view of the cover plate;
[0026] Figure 5 It is the structure schematic view of the first mounting frame;
[0027] Figure 6 It is the structure schematic view of the first sliding frame;
[0028] Figure 7 It is the structure schematic view of the damping sheet;
[0029] Figure 8 It is the structure schematic view of the second sliding frame;
[0030] Figure 9 It is the structure schematic view of the first rotating frame;
[0031] Figure 10 It is the structure schematic view of the second rotating frame;
[0032] Figure 11 Fig. 3 is a structural schematic view of a third sliding frame;
[0033] Figure 12 Fig. 4 is a structural schematic view of a mounting seat;
[0034] Figure 13 Fig. 5 is a perspective view of the floating vehicle-mounted multimedia of the embodiment.
[0035] Explanation of reference signs:
[0036] 10 - display; 20 - back plate; 21 - cover plate; 22 - first mounting frame; 23 - first mounting piece; 24 - first mounting hole; 25 - positioning plate; 26 - first cover plate; 27 - first damping hole;
[0037] 30 - first sliding frame; 31 - first connecting piece; 32 - first connecting hole; 33 - damping piece; 34 - first damping protrusion; 35 - second mounting piece; 36 - second mounting hole;
[0038] 40 - second sliding frame; 41 - second connecting piece; 42 - second connecting hole; 43 - second cover plate;
[0039] 50 - first rotating frame; 51 - first shaft hole; 52 - fourth connecting hole; 53 - fourth connecting piece;
[0040] 60 - second rotating frame; 61 - first shaft hole; 62 - fourth mounting hole; 63 - fourth mounting piece; 64 - second shaft hole; 65 - fifth connecting hole; 66 - fifth connecting piece; 67 - second damping protrusion;
[0041] 70 - third sliding frame; 71 - second shaft hole; 72 - fifth mounting hole; 73 - fifth mounting piece; 74 - second damping hole; 75 - third mounting piece; 76 - third mounting hole;
[0042] 80 - connecting seat; 81 - third connecting hole; 90 - case sleeve frame. DETAILED DESCRIPTION
[0043] The present application will be further described below in conjunction with the drawings and specific embodiments, so that those skilled in the art can better understand the present application and implement it. The embodiments are not intended to limit the present application.
[0044] As Figure 1As shown, the floating vehicle-mounted multimedia of the embodiment comprises a display 10 and a multi-degree-of-freedom adjusting structure. The multi-degree-of-freedom adjusting structure of the embodiment comprises a back plate 20 and a connecting seat 80, and the back plate 10 is fixedly installed on the back of the display 10. The back plate 20 of the embodiment is provided with a first sliding frame 30 in sliding fit therewith, and the first sliding frame 30 can adjust the installation position in the Z1-axis translation direction relative to the back plate 20, that is, the installation position adjustment of the display 10 in the Z1-axis translation direction can be realized. The first sliding frame 30 of the embodiment is provided with a second sliding frame 40 in sliding fit therewith, and the second sliding frame 40 can adjust the installation position in the X1-axis translation direction relative to the first sliding frame 30, that is, the installation position adjustment of the display 10 in the X1-axis translation direction can be realized. The second sliding frame 40 of the embodiment is provided with a first rotating frame 50, and the first rotating frame 50 is provided with a second rotating frame 60 in rotating fit therewith, and the first rotating frame 50 can adjust the installation position in the Z2-axis rotation direction relative to the second rotating frame 60, that is, the installation position adjustment of the display 10 in the Z2-axis rotation direction can be realized. In the embodiment, the first rotating frame 50 can be fixedly installed on the second sliding frame 40, or the first rotating frame 50 and the second sliding frame 40 can be integrated. The second rotating frame 60 of the embodiment is provided with a third sliding frame 70, and the second rotating frame 70 can rotate relative to the third sliding frame 60 in the X2-axis direction and adjust the installation position in the X2-axis rotation direction, that is, the installation position adjustment of the display in the X2-axis rotation direction can be realized. The third sliding frame 70 of the embodiment is in sliding fit with the connecting seat 80, and the third sliding frame 70 can adjust the installation position in the Y-axis translation direction relative to the connecting seat, that is, the installation position adjustment of the display 10 in the Y-axis translation direction can be realized. Specifically, in the embodiment, the X1-axis is perpendicular to the Z1-axis, and the X2-axis, the Y-axis and the Z2-axis are perpendicular to each other. Among them, the Z1-axis rotates synchronously with the rotation direction of the display, that is, the Z1-axis and the Y-axis are not necessarily perpendicular. Similarly, the X1-axis is located in the horizontal direction and rotates synchronously with the display 10, but the X1-axis and the Y-axis are not necessarily perpendicular. The Z2-axis is located in the vertical direction.
[0045] Specifically, the back plate 20 of the embodiment includes a cover plate 21 and a first mounting frame 22, the cover plate 21 is fixedly connected with the back of the display 10, and the first mounting frame 22 is fixedly connected with the cover plate. The first mounting frame 22 of the embodiment is provided with a first mounting piece 23 parallel to the Z1 axis direction at each end, the first sliding frame 30 is provided with a first connecting piece 31 parallel to the Z1 axis direction at each end, a plurality of first mounting holes 24 are arranged on the first mounting piece 23 along the Z1 axis direction, and a first connecting hole 32 is arranged on the first connecting piece 31 corresponding to the first mounting hole 24. In this way, when the first sliding frame 30 is translated along the Z1 axis direction relative to the cover plate 20, the first connecting hole 32 can be aligned with the synchronous first mounting hole 24, and the first mounting piece 23 and the first connecting piece 31 can be fixedly connected through a threaded connecting piece.
[0046] In the preferred embodiment of the embodiment, the cover plate 21 is provided with a positioning plate 25 located inside the first mounting piece 23, the first connecting piece 31 is located outside the corresponding first mounting piece 23, the first connecting piece 31 is located between the first cover plate 26 and the first mounting piece 23, the first cover plate 26 is fixedly connected with the cover plate 21, and the first cover plate 26 plays a role of shielding and protecting the first mounting piece 23 and the first connecting piece 31.
[0047] In the preferred embodiment of the embodiment, the first connecting piece 31 is provided with a damping piece 33, and the damping piece 33 is fixedly installed on the first connecting piece 31. The first mounting frame 22 is provided with a first damping hole 27 corresponding to the first mounting hole 24, and the damping piece 33 is provided with a first damping protrusion 34 matched with the first damping hole 27. In this way, through the limiting matching relationship between the first damping hole 27 and the first damping protrusion 34, when the threaded connecting piece between the first mounting piece 23 and the first connecting piece 31 is removed, the display 10 can be prevented from falling.
[0048] The first sliding frame 30 of the embodiment is provided with a second mounting piece 35 parallel to the X1 axis direction at each side, the second sliding frame 40 is provided with a second connecting piece 41 parallel to the X1 axis direction at each side, a plurality of second mounting holes 36 are arranged on the second mounting piece 35 along the X1 axis direction, and a second connecting hole 42 is arranged on the second connecting piece 41 corresponding to the second mounting hole 36. In this way, when the second sliding frame 40 is translated along the X1 axis direction relative to the first sliding frame 30, the second connecting hole 42 can be aligned with different second mounting holes 36, and the second mounting piece 35 and the second connecting piece 41 can be fixedly connected through a threaded connecting piece, so as to realize the adjustment of the mounting position of the display 10 in the X1 axis translation direction. In the embodiment, the second connecting piece 41 is located outside the corresponding second mounting piece 36, and the second connecting piece 41 is provided with a second cover plate 43, which plays a role of shielding and protecting the second connecting piece 41.
[0049] The first rotating frame 50 and the second rotating frame 60 are respectively provided with a first shaft hole 51 and a first shaft hole 61 parallel to the Z2 axis direction, and the second rotating frame 60 is provided with a plurality of fourth mounting holes 62, and the first rotating frame 50 is provided with a fourth connecting hole 52 corresponding to the fourth mounting hole 62. When the first rotating frame 50 rotates relative to the second rotating frame 60 to a set angle position, only one fourth connecting hole 52 is aligned with the corresponding fourth mounting hole 62. In this way, when different fourth mounting holes 62 are aligned with the corresponding fourth connecting holes 52, the first rotating frame 50 rotates relative to the second rotating frame 60 at different angles, so that the display 10 has a plurality of fixed positions in the Z2 axis rotating direction. Specifically, the first rotating frame 50 is provided with a fourth connecting piece 53 perpendicular to the Z2 axis direction, and the second rotating frame 60 is provided with a fourth mounting piece 63 parallel to the fourth connecting piece 53; the fourth connecting hole 52 is arranged on the fourth connecting piece 53, and in this embodiment, the axes of all fourth connecting holes 52 are located on a plane parallel to the X1 axis. The fourth mounting hole 62 is arranged on the fourth mounting piece 63, and in this embodiment, the axes of any three fourth mounting holes 62 are not on the same plane. In this embodiment, the fourth connecting hole 52 and the fourth mounting hole 62 are both provided with three, that is, the display 10 has 3 fixed positions in the Z2 axis rotating direction.
[0050] The second rotating frame 60 and the third sliding frame 70 are respectively provided with a second shaft hole 64 and a second shaft hole 71 parallel to the X2 axis direction. The third sliding frame 70 is provided with a plurality of fifth mounting holes 72, and the second sliding frame 60 is provided with a fifth connecting hole 65 corresponding to the fifth mounting hole 72. When the second rotating frame 60 rotates relative to the third sliding frame 70 to a set angle position, only one fifth connecting hole 65 is aligned with the corresponding fifth mounting hole 72. In this way, when different fifth mounting holes 72 are aligned with the corresponding fifth connecting holes 65, the second rotating frame 60 rotates relative to the third sliding frame 70 at different angles, so that the display 10 has a plurality of fixed positions in the X2 axis rotating direction. Specifically, the second rotating frame 60 is provided with a fifth connecting piece 66 parallel to the Z2 axis direction and the Y axis direction, and the third sliding frame 70 is provided with a fifth mounting piece 73 parallel to the fifth connecting piece 66; the fifth connecting hole 65 is arranged on the fifth connecting piece 66, and the fifth mounting hole 72 is arranged on the fifth mounting piece 73, and in this embodiment, the fifth mounting hole 72 is provided with two, and the fifth connecting hole 65 is provided with three, one of the fifth connecting holes 65 corresponds to one of the fifth mounting holes 72, and the other two fifth connecting holes 65 correspond to the remaining one fifth mounting hole 72, so that the display 10 has 3 fixed positions in the X2 axis rotating direction.
[0051] In the preferred embodiment of the present embodiment, the third sliding frame 70 is provided with a second damping hole 74 for positioning the rotation angle position of the second rotating frame 60 relative to the third sliding frame 70, and the second rotating frame 60 is provided with a second damping protrusion 67 corresponding to the second damping hole 74. Specifically, the second damping hole 74 is provided with three damping positions for positioning the second damping protrusion 67, and the three damping positions correspond to three fixed positions of the third rotating frame 60 around the X2 axis in the rotation direction, respectively. In this way, after the threaded connecting piece between the fifth connecting hole 65 and the fifth mounting hole 72 is removed, the display 10 can be prevented from rotating around the X2 axis due to gravity.
[0052] The left and right sides of the third sliding frame 70 of the present embodiment are respectively provided with a third mounting piece 75 parallel to the Y direction, and the third mounting piece 75 is provided with a plurality of third mounting holes 76 spaced along the Y axis direction, and the connecting seat 80 is provided with a third connecting hole 81 corresponding to the third mounting hole 76. When adjusting the position of the third sliding frame 70 relative to the connecting seat 80 along the Y direction, the third connecting hole 81 can be aligned with different third mounting holes 76, and then the third mounting piece 75 and the connecting seat 80 can be connected and fixed by using a threaded connecting piece, so as to realize the adjustment of the mounting position of the display 10 along the Y axis translation direction.
[0053] The connecting seat 80 of the present embodiment is provided with a machine case sleeve frame 90.
[0054] The above-described embodiments are only preferred embodiments for fully illustrating the present application, and the protection scope of the present application is not limited thereto. The equivalent substitutions or transformations made by the person skilled in the art on the basis of the present application are within the protection scope of the present application. The protection scope of the present application is subject to the claims.
Claims
1. A multi-degree of freedom adjustment structure, characterized by: The application relates to a display device, which comprises a back plate and a connecting seat, the back plate is fixedly installed on the back of a display, a first sliding frame is slidably installed on the back plate, the first sliding frame can be adjusted in the installation position along the Z1-axis translational direction relative to the back plate, a second sliding frame is slidably installed on the first sliding frame, the second sliding frame can be adjusted in the installation position along the X1-axis translational direction relative to the first sliding frame, a first rotating frame is arranged on the second sliding frame, a second rotating frame is rotatably installed on the first rotating frame, the first rotating frame can be adjusted in the installation position around the Z2-axis rotational direction relative to the second rotating frame, a third sliding frame is installed on the second rotating frame, the second rotating frame can be rotated around the X2-axis direction and adjusted in the installation position around the X2-axis rotational direction relative to the third sliding frame, the third sliding frame is slidably connected with the connecting seat, and the third sliding frame can be adjusted in the installation position along the Y-axis translational direction relative to the connecting seat, the X1-axis is perpendicular to the Z1-axis, and the X2-axis, the Y-axis and the Z2-axis are perpendicular to each other.
2. The multi-degree of freedom adjustment structure according to claim 1, characterized in that: The back plate comprises a cover plate and a first mounting frame, the cover plate is fixedly connected with the back of the display, and the first mounting frame is fixedly connected with the cover plate; the two ends of the first mounting frame are respectively provided with first mounting pieces parallel to the Z1-axis direction, the left and right ends of the first sliding frame are respectively provided with first connecting pieces parallel to the Z1-axis direction, a plurality of first mounting holes are arranged on the first mounting pieces along the Z1-axis direction, and first connecting holes corresponding to the first mounting holes are arranged on the first connecting pieces.
3. The multi-degree of freedom adjustment structure according to claim 2, characterized in that: A damping piece is installed on the first connecting piece, first damping protrusions matched with the first damping holes are arranged on the damping piece, and the first damping holes are arranged on the first mounting frame in one-to-one correspondence with the first mounting holes.
4. The multi-degree of freedom adjustment structure according to claim 1, characterized in that: Second mounting pieces parallel to the X1-axis direction are arranged on the upper and lower sides of the first sliding frame, and second connecting pieces parallel to the X1-axis direction are arranged on the upper and lower sides of the second sliding frame; a plurality of second mounting holes are arranged on the second mounting pieces along the X1-axis direction, and second connecting holes corresponding to the second mounting holes are arranged on the second connecting pieces.
5. The multi-degree of freedom adjustment structure according to claim 1, characterized in that: First shaft holes parallel to the Z2-axis direction are arranged on the first rotating frame and the second rotating frame in one-to-one correspondence, a plurality of third mounting holes are arranged on the second rotating frame, and third connecting holes corresponding to the third mounting holes are arranged on the first rotating frame in one-to-one correspondence; when the first rotating frame is rotated to a set angle position relative to the second rotating frame, only one third connecting hole is aligned with the corresponding third mounting hole.
6. The multi-degree of freedom adjustment structure according to claim 1, characterized in that: Second shaft holes parallel to the X2-axis direction are arranged on the second rotating frame and the third sliding frame in one-to-one correspondence, a plurality of fourth mounting holes are arranged on the third sliding frame, and fourth connecting holes corresponding to the fourth mounting holes are arranged on the second sliding frame in one-to-one correspondence; when the second rotating frame is rotated to a set angle position relative to the third sliding frame, only one fourth connecting hole is aligned with the corresponding fourth mounting hole.
7. The multi-degree of freedom adjustment structure according to claim 6, characterized in that: The third sliding frame is provided with a second damping hole for positioning the rotation angle position of the second rotating frame relative to the third sliding frame.
8. The multi-degree of freedom adjustment structure according to claim 1, characterized in that: The left and right sides of the third sliding frame are respectively provided with third mounting pieces parallel to the Y direction, and a plurality of third mounting holes are arranged on the third mounting pieces along the Y axis direction.
9. The multi-degree of freedom adjustment structure according to claim 1, characterized in that: A machine case sleeve frame is mounted on the connecting seat.
10. A suspended vehicle-mounted multimedia, characterized by: The multi-degree-of-freedom adjusting structure as claimed in any one of claims 1-9 is used in a display device, and the back plate is fixedly connected to the back of the display.