Display device

Abstract

To provide a display device that can suppress the intrusion of foreign objects into its interior.SOLUTION: A display device includes: a display part that has a cover glass fixed to a display; and a support body that has a standing wall part 22 that stands with respect to a cover part that covers a circuit board from above. The standing wall part 22 includes: a frame part that protrudes from the periphery of a main plate part 220; and a raised part (first raised part 223, second raised part 224) that rises from the main plate part 220. A first fixing tape (first-1 fixing tape 25a, first-2 fixing tape 25b) is positioned between the first portion of the frame part and the rear surface of the cover glass. A second fixing tape 25c is positioned between the second portion of the frame part and the rear surface of the cover glass. One end of the first fixing tape and one end of the second fixing tape 25c are located on the raised part in such a state that gaps GP1, GP2 are formed therebetween. The gaps have the bent, passage-like shapes.SELECTED DRAWING: Figure 21

Description

[Technical field]

[0001] The present disclosure relates to a display device. [Background technology]

[0002] For example, Patent Document 1 describes a display device that includes a display (display panel), a cover glass (protective member) fixed to the display, and a concave case that houses the display. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2020-192898 A Summary of the Invention [Problem to be solved by the invention]

[0004] In this type of display device, a method of fixing the periphery of the cover glass to the frame of the case can be considered using a fixing tape such as a double-sided tape. When using fixing tape, it is common to use a number of fixing tapes corresponding to the number of sides of the cover glass from the viewpoint of workability, but if no measures are taken, there is a risk that foreign matter such as water and dust may get into the inside of the device through gaps that occur between adjacent fixing tapes.

[0005] The present disclosure has been made in consideration of the above-described circumstances, and has an object to provide a display device capable of preventing foreign matter from entering the interior thereof. [Means for solving the problem]

[0006] In order to achieve the above object, the display device according to the present disclosure comprises: A display unit including a display that displays an image and a cover glass that is fixed to the display and includes a transparent area through which the image is transmitted; a circuit board electrically connected to the display; a support body having a cover portion that covers the circuit board from above, and a standing wall portion that stands above the cover portion and supports the display unit with the standing wall portion, The standing wall portion has a main plate portion and a frame portion protruding from a peripheral edge of the main plate portion toward the cover glass, the display is located in a room surrounded by the main plate portion and the frame portion of the standing wall portion, the upright wall portion further includes a protruding portion located inside the frame portion, connected to the frame portion, and protruding from the main plate portion toward the cover glass, the frame portion has a first portion extending in a first direction and a second portion extending in a second direction intersecting the first direction, a first fixing tape is located between the first portion and the rear surface of the cover glass, the first fixing tape being fixed to at least one of the first portion and the rear surface of the cover glass; a second fixing tape is located between the second portion and the rear surface of the cover glass, the second fixing tape being fixed to at least one of the second portion and the rear surface of the cover glass; one end of the first fixing tape and one end of the second fixing tape are positioned on the raised portion with a gap formed therebetween, The gap is in the form of a tortuous passage. Effect of the Invention

[0007] According to the present disclosure, it is possible to prevent foreign matter from entering the interior. [Brief description of the drawings]

[0008] [Figure 1] FIG. 2 is a diagram illustrating a relationship between a display device and a dashboard according to an embodiment of the present disclosure. [Diagram 2] FIG. 2 is a front view of the display device according to the embodiment. [Diagram 3] FIG. [Figure 4] FIG. 4 is a perspective view of the support body according to the embodiment as viewed from the substrate accommodation portion side. [Diagram 5] 3 is a schematic cross-sectional view of the display device according to the embodiment taken along line AA in FIG. 2. [Figure 6] 3 is a schematic cross-sectional view of the display device according to the embodiment taken along line BB in FIG. 2. [Figure 7] 3 is a schematic cross-sectional view of the display device according to the embodiment taken along line CC in FIG. 2, together with a dashboard. [Figure 8] FIG. [Figure 9] FIG. 4 is a perspective view of the case according to the embodiment as viewed from below, mainly for explaining a locking portion; [Figure 10] FIG. 4 is a perspective view of the cover, the case, and the circuit board according to the embodiment as viewed from below. [Figure 11] FIG. [Figure 12] 4 is a schematic cross-sectional view of the display section and the standing wall section according to the embodiment taken along line DD in FIG. 3. [Figure 13] FIG. [Figure 14] FIG. 4 is a perspective view of the support body according to the embodiment as viewed from the rear side. [Figure 15] FIG. 2 is a perspective view of the circuit board according to the embodiment as viewed from above. [Figure 16] FIG. 4 is a plan view of a portion of the standing wall portion according to the embodiment, seen from the front side. [Figure 17] 17 is a diagram showing a state in which a fixing tape is arranged on the standing wall portion shown in FIG. 16. [Figure 18] FIG. 2 is an exploded perspective view of the light source board, the light source cover, the sensor board, and the sensor cover according to the embodiment. [Figure 19] 3A and 3B are schematic cross-sectional views of the light source substrate and the sensor substrate according to the embodiment of the present invention. [Figure 20] FIG. 13 is a plan view showing a part of the standing wall portion according to a modified example of the embodiment, as viewed from the front side. [Figure 21] 21 is a diagram showing a state in which a fixing tape is placed on the vertical wall portion shown in FIG. 20. [Figure 22]18 is a diagram showing another modified example of the embodiment, in which a part of the fixing tape arranged on the standing wall portion in FIG. 17 is cut away. FIG. [Diagram 23] FIG. 11 is an enlarged cross-sectional view of a main portion of another modified example of the embodiment, showing a cover glass, a fixing tape, and a frame portion. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0009] An embodiment of the present disclosure will be described with reference to the drawings.

[0010] The display device 100 is, for example, a display device for a vehicle, and is provided on a dashboard 1 of the vehicle as shown in Fig. 1, to notify a user of information related to the vehicle. The information may include not only information about the vehicle itself (e.g., information about a meter) but also information about the outside of the vehicle.

[0011] 1 to 15, the display device 100 includes a display unit 10, a support 20, a circuit board 30, a flexible member 40, wiring 50, a conductive member 60, a sound generator 70, a case 80, and a lower cover 90 as a cover member. Note that hatching showing cross sections has been omitted in Figs. 5 to 7 for ease of viewing the drawings.

[0012] In appropriate drawings, forward Fd, backward Bd, upward Ud, and downward Dd are shown as directions when explaining the display device 100. For example, the forward direction of the display unit 10 is the direction in which the display unit 10 displays an image, and is the direction of a user who views the image on the display unit 10.

[0013] The display unit 10 includes a display 11 that displays an image, and a cover glass 12. In this embodiment, each of the display 11 and the cover glass 12 is formed in a substantially rectangular shape that is elongated in the left-right direction as viewed from the user.

[0014] The display 11 is configured, for example, as a liquid crystal display including a liquid crystal panel, a backlight unit that illuminates the liquid crystal panel from behind, and a metal bezel that houses the liquid crystal panel and the backlight unit. The display 11 may be configured as an organic EL (Electro Luminescence) display or the like.

[0015] The cover glass 12 is made of organic or inorganic glass, and is fixed to the front surface of the display 11 via a transparent adhesive layer 13, as shown in Fig. 12. The cover glass 12 includes a transmissive area 12a through which an image from the display 11 passes. For example, a colored layer, such as a black layer, that defines the image display area of ​​the display 11 is formed in the area of ​​the cover glass 12 other than the transmissive area 12a.

[0016] In this embodiment, as shown in Fig. 2, the front surface of the cover glass 12 (specifically, the front surface of the transmissive region 12a) is the display surface 10a of the display unit 10. Note that the present invention is not limited to this example, and the display surface 10a may be any surface that is the forefront of the portions of the display unit 10 that display images. As shown in Figs. 1 and 7, the display unit 10 has a display surface 10a (transmissive region 12a) exposed from the dashboard 1, and displays an image on the display surface 10a.

[0017] 7, in the dashboard 1, the front portion 1a is a portion located in front of the display unit 10, and the rear portion 1b is a portion located behind the display unit 10. The rear portion 1b is closer to a windshield of the vehicle (not shown) than the front portion 1a. In this embodiment, the display unit 10 is located between the front portion 1a and the rear portion 1b located higher than the front portion 1a, and the display surface 10a is exposed from the dashboard 1.

[0018] 3, the support body 20 includes a cover portion 21 and an upright wall portion 22. In this embodiment, the cover portion 21 and a part of the upright wall portion 22 are integrally formed from metal.

[0019] The cover portion 21 is located inside the dashboard 1 and covers the circuit board 30 from above. As shown in Fig. 3 or 4, the cover portion 21 includes an upper wall portion 210, an outer peripheral wall 211, and a board accommodating portion 212. Furthermore, the cover portion 21 includes a roof portion 213 shown in Fig. 14.

[0020] The upper wall portion 210 is a portion of the cover portion 21 that faces the circuit board 30 in the up-down direction. The upper wall portion 210 has a recess 210a that is recessed toward the circuit board 30.

[0021] 4, the recess 210a has a first raised portion U1 and a second raised portion U2 that rise from a lower surface 210b of the recess 210a toward the circuit board 30. As shown in Fig. 5, a first thermally conductive sheet T1 is provided on the first raised portion U1, and a second thermally conductive sheet T2 is provided on the second raised portion U2.

[0022] The outer peripheral wall 211 is provided from the outer edge of the upper wall portion 210 toward the circuit board 30, and surrounds the end face of the circuit board 30. As shown in Fig. 3, a step portion is provided below the outer peripheral wall 211. The outer peripheral wall 211 surrounds the end face of the circuit board 30 with this step portion.

[0023] In this embodiment, the side wall portion 211a is the portion located most forward of the outer peripheral wall 211 that surrounds the circuit board 30 from all sides. The side wall portion 211a faces a wiring protection portion 85, which will be described later. The side wall portion 211a is formed with a notch 211b through which a part of the wiring 50 passes.

[0024] The board accommodating portion 212 accommodates the circuit board 30 below the cover portion 21. Specifically, the board accommodating portion 212 is a portion that includes the lower side of the step portion of the outer circumferential wall 211.

[0025] A roof portion 213 shown in FIG. 14 covers from above a connector C3 (see FIG. 15) that is connected to a wire harness of a vehicle, as described later.

[0026] The standing wall portion 22 stands above the cover portion 21 and supports the display portion 10. The display portion 10 is supported by the standing wall portion 22 by being fixed to the front side of the standing wall portion 22. As shown in FIG. 12, the standing wall portion 22 has a main plate portion 220 located behind the display 11 and a frame portion 221 protruding from the periphery of the main plate portion 220 toward the cover glass 12. The display 11 is located in a room surrounded by the main plate portion 220 and the frame portion 221 of the standing wall portion 22. For example, the outer peripheral shape of the frame portion 221 is formed so as to substantially match (including exactly match) the outer peripheral shape of the cover glass 12. Therefore, the standing wall portion 22 is also formed in a substantially rectangular shape that is elongated in the left-right direction for the user. Note that FIG. 12 is a schematic cross-sectional view of the display portion 10 and the standing wall portion 22 taken along the line DD shown in FIG. 3.

[0027] As shown in FIG. 16, the standing wall 22 further has a first protuberance 223 and a second protuberance 224 as "protuberances". For example, the front surfaces of the first protuberance 223 and the second protuberance 224 are flush with the front surface of the frame 221. FIG. 16 is a plan view of a part (a part of the right side) of the standing wall 22 as seen from the front side. Here, the frame 221 has four parts corresponding to each side, but FIG. 16 shows a total of three parts, namely, a 1-1 part 221a and a 1-2 part 221b as the "first part" extending in the left-right direction (an example of a first direction), and a second part 221b extending in the up-down direction (an example of a second direction). Note that the left part of the standing wall 22 not shown in FIG. 16 also has a part extending in the up-down direction like the second part 221b.

[0028] The first raised portion 223 is located inside the second portion 221c (frame portion 221) and is connected to the frame portion 221, and rises forward from the main plate portion 220 (toward the cover glass 12). The second raised portion 224 is located inside the 1-2 portion 221b (frame portion 221) and is connected to the frame portion 221, and rises forward from the main plate portion 220 (toward the cover glass 12). Note that a configuration similar to the first raised portion 223 and the second raised portion 224 is also provided in a left portion of the standing wall portion 22 not shown in FIG.

[0029] The main plate portion 220 is provided with a plurality of protrusions 222 that protrude toward the display 11. The protrusions 222 are, for example, disk-shaped, and the front surface facing the display 11 is formed flat. As shown in Fig. 12, a gap is generated between the rear surface of the display 11 (specifically, the rear surface of the bezel described above) and the plurality of protrusions 222.

[0030] Here, the standing wall portion 22 has a metal portion 22m and a resin portion 22r, which are shown exploded in Fig. 13. The standing wall portion 22 is constituted by the metal portion 22m and the resin portion 22r integrally molded by insert molding.

[0031] The main board portion 220 described above includes a metal main board portion 220m which is a part of the metal portion 22m, and a resin main board portion 220r which is a part of the resin portion 22r. The metal main board portion 220m of this embodiment covers the entire rear surface of the display 11 from behind. As shown in Figs. 13 and 14, the resin main board portion 220r is formed in an upper region on the rear side of the metal main board portion 220m. The multiple protrusions 222 described above are provided on the metal main board portion 220m.

[0032] The frame portion 221 includes a metal frame portion 221m that is a part of the metal portion 22m, and a resin frame portion 221r ​​that is a part of the resin portion 22r. The resin frame portion 221r ​​is formed in a substantially U-shape with a pair of leg-like portions that extend downward from the resin main plate portion 220r. On the other hand, the metal frame portion 221m is formed in a substantially U-shape along the lower portion of the metal main plate portion 220m. The combination of the metal frame portion 221m and the resin frame portion 221r ​​above the metal frame portion 221m forms the frame portion 221 in an enclosure shape.

[0033] As shown in FIG. 16, the first protuberance 223 includes a metal protuberance 223m that is a part of the metal portion 22m, and a resin protuberance 223r that is a part of the resin portion 22r. In FIG. 16, the resin protuberance 223r and the resin frame portion 221r ​​are colored with dots. The above-mentioned 1-1 portion 221a is a part of the resin frame portion 221r. The 1-2 portion 221b is a part of the metal frame portion 221m. The second portion 221c is composed of a part of the resin frame portion 221r ​​and a part of the metal frame portion 221m. The resin protuberance 223r is formed integrally with a portion of the second portion 221c that is composed of the resin frame portion 221r. The metal protuberance 223m is formed integrally with the metal main plate portion 220m, and has a surrounding shape that surrounds the resin protuberance 223r. The metal protuberance 223m is, for example, U-shaped, and a recess therein is filled with resin during the insert molding process, thereby forming the first protuberance 223 together with the resin protuberance 223r. With this configuration, it is possible to suppress the occurrence of sink marks at the location of the resin frame portion 221r ​​adjacent to the resin protuberance 223r, compared to a case in which the entire first protuberance 223 is molded from resin. Meanwhile, the second protuberance 224 is a part of the metal portion 22m, and is formed integrally with the metal main plate portion 220m.

[0034] 12, the rear surface of the cover glass 12 (specifically, the rear surface of the outer end of the cover glass 12) is adhesively fixed to the frame portion 221 (specifically, the front end of the frame portion 221). In this embodiment, the rear surface of the cover glass 12 is adhesively fixed to the frame portion 221 by a fixing tape 25. For example, the fixing tape 25 is a double-sided tape provided over approximately the entire periphery of the cover glass 12 and the frame portion 221.

[0035] FIG. 17 shows a state where the fixing tape 25 is arranged on the standing wall portion 22 shown in FIG. 16. Here, four fixing tapes 25 are provided corresponding to each side of the frame portion 221, but FIG. 17 shows a total of three, namely, the 1-1 fixing tape 25a and the 1-2 fixing tape 25b as the "first fixing tape", and the second fixing tape 25c. The 1-1 fixing tape 25a is located between the 1-1 portion 221a and the rear surface of the cover glass 12. The 1-2 fixing tape 25b is located between the 1-2 portion 221b and the rear surface of the cover glass 12. The second fixing tape 25b is located between the second portion 221c and the rear surface of the cover glass 12. Note that, in the left portion of the standing wall portion 22 not shown in FIG. 17, there is also a fixing tape extending in the vertical direction similar to the second fixing tape 25c.

[0036] In addition, these fixing tapes 25 (1-1 fixing tape 25a, 1-2 fixing tape 25b, 2-2 fixing tape 25c) are not limited to double-sided tapes, but may be tapes having an adhesive layer or a pressure-sensitive adhesive layer on at least one side of the strip-shaped base material that the tape comprises, and a cushioning material such as a packing may be provided on the other side of the base material.

[0037] That is, the first fixing tape (1-1 fixing tape 25a, 1-2 fixing tape 25b) is fixed to at least one of the first portion (1-1 portion 221a, 1-2 portion 221b) and the rear surface of the cover glass 12. The second fixing tape 25c is fixed to at least one of the second portion 221c and the rear surface of the cover glass 12.

[0038] As shown in FIG. 17, one end (right end) of the 1-1 fixing tape 25a and one end (upper end) of the second fixing tape 25c are located on the first raised portion 223 with a gap GP1 formed therebetween. Also, one end (right end) of the 1-2 fixing tape 25b and one end (lower end) of the second fixing tape 25c are located on the second raised portion 224 with a gap GP2 formed therebetween. The gaps GP1 and GP2 are each in the form of a bent passage. Here, the bent passage refers to a shape in which a passage (gap) from the outer edge of the standing wall portion 22 (the outer edge of the frame portion 221) toward the inside of the standing wall portion 22 is not in a straight line but is bent at least once. In this way, by making the gaps GP1 and GP2 into a bent passage shape, it is possible to prevent foreign matter such as water and dust from entering the inside of the device (inside the standing wall portion 22).

[0039] 16, the first raised portion 223 is wider (length in the left-right direction) than the second portion 221c of the frame portion 221. The second raised portion 224 is wider (length in the up-down direction) than the 1-2 portion 221b of the frame portion 221. By providing the widened portions in this manner, it is possible to ensure areas for forming the bent passage-like gaps GP1, GP2 between the adjacent fixing tapes 25.

[0040] The first raised portion 223 is located above the dashboard 1. In other words, the first raised portion 223 is located above a virtual line V (FIG. 14) described below. This makes it possible to prevent sink marks from occurring in a location visible to the user as described above, and maintain the quality of the appearance. On the other hand, the second raised portion 224 is located below the dashboard 1, and is formed as a part of the metal portion 22m as described above.

[0041] Furthermore, the rear surface of the display 11 (specifically, the rear surface of the bezel described above) is adhesively fixed to the main plate portion 220 (specifically, the metal main plate portion 220m). Specifically, the rear surface of the display 11 (specifically, the rear surface of the bezel described above) is adhesively fixed to the main plate portion 220 (specifically, the metal main plate portion 220m) by an adhesive 26 filled in gaps generated between the rear surface of the display 11 and a plurality of protrusions 222 provided on the metal main plate portion 220m. Note that appropriate materials are adopted for each of the fixing tape 25 and the adhesive 26 from well-known configurations.

[0042] As shown in FIG. 7, the part of the standing wall 22 that is exposed from the dashboard 1 (specifically, the rear part 1b) is formed of a resin part 22r. Here, the imaginary line V shown in FIG. 14 indicates an example of a boundary between a part of the standing wall 22 that is located above the rear part 1b of the dashboard 1 and a part that is located below the rear part 1b. As can be seen from FIG. 14, the resin part 22r has an upper part 22r1 that is located above the dashboard 1 and a lower part 22r2 that is located below the dashboard 1. The lower part 22r2 is provided with an engagement part 27 that engages with a fixing member (not shown) that is fixed to the dashboard 1 (specifically, the rear part 1b). In this embodiment, a pair of engagement parts 27 are provided, and each is formed in an L-shaped hook shape. The standing wall 22 is supported on the rear part 1b of the dashboard 1 by the fixing member that engages with the engagement part 27. The engagement part 27 and the fixing member may be engaged with each other by any mechanism such as a hook or a fitting, and each may have any shape.

[0043] The standing wall portion 22 is connected to the cover portion 21 by a connecting portion 23 provided at the rear end of the upper wall portion 210 of the cover portion 21. In this embodiment, the cover portion 21, the metal portion 22m of the standing wall portion 22, and the connecting portion 23 are integrally formed of metal.

[0044] The circuit board 30 is a PCB (Printed Circuit Board) on which a control unit (e.g., a microcontroller) that controls the operation of the display device 100 and other electronic components are mounted. The circuit board 30 is fixed to the board housing portion 212 of the cover portion 21 with screws (not shown) or the like. Hereinafter, of the two surfaces of the circuit board 30 on which circuit elements can be mounted, the surface facing upward is referred to as the main surface 30a, and the surface facing downward is referred to as the bottom surface 30b.

[0045] 4, the circuit board 30 accommodated in the board accommodating portion 212 is shown by a dashed line. As can be seen from FIG. 4, most of the outer edge of the main surface 30a of the circuit board 30 is in surface contact with the board accommodating portion 212. In other words, at least a part of the outer edge of the main surface 30a is in surface contact with the board accommodating portion 212.

[0046] As shown in FIG. 5, a thermally conductive sheet (first thermally conductive sheet T1, second thermally conductive sheet T2) is provided between the cover portion 21 and circuit elements (first circuit element S1, second circuit element S2) mounted on the circuit board 30. Specifically, a first circuit element S1 and a second circuit element S2, which are ICs (Integrated Circuits) having different heights, are mounted on the main surface 30a as the circuit elements. For example, the first circuit element S1 is a GDC (Graphics Display Controller), and the second circuit element S2 is a microcontroller. The first circuit element S1 abuts against the first thermally conductive sheet T1 provided on the first raised portion U1. The second circuit element S2 abuts against the second thermally conductive sheet T2 provided on the second raised portion U2. In this embodiment, the first thermally conductive sheet T1 and the second thermally conductive sheet T2 have the same thickness.

[0047] Here, if the thickness of the first thermally conductive sheet T1 and the second thermally conductive sheet T2 is t, the height of the first circuit element S1 is h1, the height of the second circuit element S12 is h2, the thickness (raised height) of the first raised portion U1 is d1, and the thickness (raised height) of the second raised portion U2 is d2, then h1+t+d1=h2+t+d2 holds. By setting the first raised portion U1 and the second raised portion U2 in this way, the same sheet can be used for the first thermally conductive sheet T1 and the second thermally conductive sheet T2.

[0048] The circuit board 30 is electrically connected to the display unit 10 by a flexible member 40. The flexible member 40 is composed of an FPC (Flexible Printed Circuits) or an FFC (Flexible Flat Cable), and electrically connects the display 11 of the display unit 10 to the circuit board 30. As shown in FIG. 5, the flexible member 40 extending from the display 11 is connected to the rear end of the lower surface 30b via a connector C1. Here, between the vertical wall portion 22 and the cover portion 21 of the support body 20, an insertion hole 24 is formed through which the flexible member 40 that electrically connects the display unit 10 (specifically, the display 11) to the circuit board 30 passes. The insertion hole 24 is provided below the display 11. In addition, a through hole 31 is formed in the circuit board 30 at a position opposite to the insertion hole 24. The flexible member 40, one end of which is electrically connected to the display 11, passes through the insertion hole 24 and the through hole 31, and the other end of which is electrically connected to the lower surface 30b of the circuit board 30 via the connector C1. In this embodiment, although not shown, there are two flexible members 40, and therefore there are two sets of insertion holes 24 and through holes 31, as shown in FIG.

[0049] The circuit board 30 is electrically connected to the sound generator 70 by wiring 50. As shown in Fig. 6, the wiring 50 extending from the sound generator 70 is connected to the front end of the lower surface 30b of the circuit board 30 via a connector C2.

[0050] As shown in FIG. 15, a connector C3 is mounted on the rear end of the main surface 30a of the circuit board 30 to be connected to a wire harness (not shown) of a vehicle.

[0051] As shown in FIG. 7, the circuit board 30 is located below the display unit 10 in the dashboard 1 and protrudes in front of the display surface 10a.

[0052] 5, the conductive member 60 is a conductive member such as a metal, which is sandwiched between the lower surface 210b of the recess 210a and the circuit board 30. Specifically, the conductive member 60 is sandwiched between the lower surface 210b and a ground pattern (not shown) formed on the main surface 30a of the circuit board 30, and electrically connects the ground pattern to the support body 20 made of metal. This allows the support body 20, particularly the cover portion 21, to function as an electromagnetic wave shield. For example, a plurality of conductive members 60 are provided.

[0053] The conductive member 60 is, for example, a Z-shaped terminal and has elasticity in the up-down direction. The elastic force of the conductive member 60 acts on both the lower surface 210b and the circuit board 30. This allows the cover part 21 to have a shielding function while providing each of the cover part 21 and the circuit board 30 with cushioning properties.

[0054] As shown in FIG. 1, the sounding body 70 is located between the dashboard 1 and the cover part 21. The sounding body 70 is, for example, a speaker, and emits sound under the control of the control part. The sounding body 70 has a sound-emitting part 71, which is a part that emits sound, and is provided in the case 80 so that the sound-emitting part 71 faces upward. As shown in FIG. 6, the sounding body 70 is provided so that the sound-emitting part 71 is exposed from the case 80. The sound-emitting part 71 may include not only the speaker cone, but also a mesh, a grid, or a slit-shaped speaker cover provided above the cone. The sounding body 70 may be a buzzer.

[0055] The sound emitted from the sound producing body 70 reaches the user through the space inside the dashboard 1. For example, if a conventional device with a speaker installed inside a housing is mounted inside the dashboard 1, the sound emitted from the speaker passes through the housing and then through the dashboard 1 to reach the user. On the other hand, according to the structure of the display device 100 of this embodiment, the sound emitted from the sound producing body 70 reaches the user through the dashboard 1, making it easy for the user to hear the sound produced by the sound producing body 70.

[0056] 1 and other figures, the case 80 is fixed to the upper side of the cover portion 21 and houses the sound generating body 70. The case 80 is made of a known resin material and has a box shape that opens downward.

[0057] As shown in FIG. 8 , the case 80 includes a rectangular main wall portion 81, an outer peripheral wall 82 extending downward from the outer edges corresponding to the four sides of the main wall portion 81, a storage portion 83, a protrusion portion 84, a wiring protection portion 85, and a hook 87.

[0058] 7, the main wall portion 81 faces the front portion 1a of the dashboard 1 in the up-down direction. The outer peripheral wall 82 is formed with heat dissipation slits 82a for dissipating heat trapped between the case 80 and the cover portion 21. Heat generated by the first circuit element S1 is transferred to the cover portion 21 via the first thermally conductive sheet T1 and the first raised portion U1 in this order. Heat generated by the second circuit element S2 is transferred to the cover portion 21 via the second thermally conductive sheet T2 and the second raised portion U2 in this order. The heat dissipation slits 82a can dissipate the heat thus transferred to the cover portion 21 to the outside.

[0059] The accommodation portion 83 is a portion that is recessed downward from the main wall portion 81 to fit the shape of the sounding body 70. The accommodation portion 83 functions as an enclosure for the sounding body 70. The accommodation portion 83 has a bottom surface 83a that faces the lower surface of the sounding body 70. As shown in FIG. 6, the back side of the sounding body 70 (specifically, the back side of the sounding portion 71 of the sounding body 70) is covered with the bottom surface 83a. In other words, the portion of the accommodation portion 83 where the bottom surface 83a is formed functions as a back cavity of the sounding body 70. That is, it is considered that a sound (sound wave of an opposite phase) is generated from the back side of the sounding body 70 (front side of the sounding body 70), but if the back side of the sounding body 70 is not covered by the bottom surface 83a, the sound of the opposite phase passes through the open part of the case 80 where the bottom surface 83a is not covered, and then is emitted to the outside of the case 80 through the heat dissipation slit 82a (which also functions as a sound emission hole) that communicates with the open part. Then, it is considered that the sound generated from (the front side of) the sounding body 70 is affected by the sound of the opposite phase and its sound pressure is reduced (weakened), but in this embodiment, the back side of the sounding body 70 is covered by the bottom surface 83a, so that the reduction in the sound pressure is suppressed (the part where the bottom surface 83a is formed functions as the back cavity). In addition, the case 80 is formed with a support part 88 and a surrounding wall 89 that surrounds the support part 88. As shown in Fig. 6, the support portion 88 supports the outer edge of the underside of the sounding body 70. The underside of the sounding body 70 supported by the support portion 88 in this manner faces, with a gap between them, the bottom surface 83a of the housing portion 83. As shown in Fig. 11, the surrounding wall 89 protrudes upward from the main wall portion 81 and is provided so as to surround the outer periphery of the sounding body 70.

[0060] The case 80 has a number of hooks 87 for fixing the sounding body 70. In this embodiment, three hooks 87 are provided at equal intervals in the circumferential direction of the housing portion 83 which is formed in a roughly circular shape to match the shape of the sounding body 70. As shown in FIGS. 8 and 11 , the forwardmost hook 87 of the three hooks 87 is provided close to a heat dissipation slit 82a formed in the outer peripheral wall 82 which is connected to the wiring protection portion 85.

[0061] As shown in FIG. 6, each of the hooks 87 has an inclined surface 87a that contacts the sounding body 70, and the inclined surface 87a presses the sounding body 70 toward the bottom surface 83a (i.e., downward) (note that FIG. 6 shows only one hook 87). As a result, the sounding body 70 is pressed against the support portion 88 and stably supported by the support portion 88. Also, as shown in FIG. 8, the case 80 has a hole H for fixing the sounding body 70 with a screw N (see FIG. 11). The hole H is formed in the support portion 88. The hole H may be a bottomed hole or a through hole. In this embodiment, three holes H are provided at equal intervals in the circumferential direction of the storage portion 83, and each hole H is provided between adjacent hooks 87 in the circumferential direction of the storage portion 83. In other words, the sounding body 70 is fixed to the case 80 by the hook 87 and the screw N.

[0062] The protrusion 84 protrudes upward from the main wall 81, that is, toward the dashboard 1. Four protrusions 84 are provided corresponding to the four corners of the main wall 81. Each of the four protrusions 84 has a fitting hole 84a. As shown in FIG. 7, the fitting hole 84a fits with a protruding member 1c provided from the front part 1a of the dashboard 1 toward the case 80. Although not shown in detail, four protruding members 1c are provided corresponding to the four fitting holes 84a. The case 80 is fixed to the dashboard 1 by fitting the protruding member 1c into the fitting holes 84a. A known fixing method such as press-fitting, hooks, clips, etc. can be used to fit the protruding member 1c into the fitting holes 84a. The fitting holes 84a may be bottomed holes or through holes.

[0063] 6, the wire protection portion 85 protects a portion of the wire 50. The wire protection portion 85 is formed continuously with the lower end of the outer peripheral wall 82, and faces a portion of the side wall portion 211a of the cover portion 21. The wire 50 passes from the sound generating body 70 through the gap G between the cover portion 21 and the case 80 to the circuit board 30. Specifically, the wire protection portion 85 covers the portion of the wire 50 that extends from the gap G toward the circuit board 30.

[0064] On the side of the cover part 21 in the wiring protection part 85, locking parts 85a, 85b that lock a part of the wiring 50 are formed. The locking parts 85a, 85b are formed at positions that lead the wiring 50 extending from the sound generating body 70 to the lower surface 30b of the circuit board 30, and lock a part of the wiring 50 by a hook or clip mechanism. Also, as shown in Fig. 8, a recessed part 86 is formed in a part of the outer peripheral wall 82 located above the wiring protection part 85. On the lower surface of this recessed part 86, as shown in Fig. 9, a locking part 86a that locks a part of the wiring 50 is also formed.

[0065] That is, the case 80 guides the wiring 50 extending from the sounding body 70 to the lower surface 30b of the circuit board 30 while engaging the wiring 50 with the engaging portion 86a, the engaging portion 85a, and the engaging portion 85b in that order. The wiring 50 thus guided passes through the aforementioned notch 211b and is connected to the lower surface 30b of the circuit board 30 via the connector C2, as shown in FIG.

[0066] 5, the lower cover 90 covers the cover portion 21 of the support body 20 from below and is attached to the cover portion 21. The circuit board 30 is located in the space formed between the lower cover 90 and the cover portion 21. That is, the lower cover 90 having a generally concave shape here is configured to accommodate the circuit board 30.

[0067] In addition to the indicator display unit 121 and the sensor window 122 (see FIG. 2) as part of the cover glass 12, the display device 100 further includes a light source substrate 2, a light source cover 3, a sensor substrate 4, and a sensor cover 5, as shown in FIG. 18.

[0068] 2, the indicator display section 121 is located on the right side of the display surface 10a (transmissive area 12a), and the sensor window 122 is located on the left side of the display surface 10a. Each of the indicator display section 121 and the sensor window 122 is formed, for example, in a circular shape by a transmissive portion of the cover glass 12.

[0069] As shown in FIG. 18, the indicator display unit 121 is illuminated by a light source 2a mounted on a light source board 2 made of a PCB, and performs light emission display. The light source 2a is composed of, for example, an LED (Light-Emitting Diode). The sensor window 122 is configured to take in external light to an illuminance sensor 4a mounted on a sensor board 4 made of a PCB, as shown in FIG. 18. Each of the light source board 2 and the sensor board 4 is a sub-board electrically connected to the circuit board 30. Under the control of a microcontroller mounted on the circuit board 30, the light source 2a emits light and illuminates the indicator display unit 121. For example, the light source 2a emits light to notify a user of any information such as a security problem, and the indicator display unit 121 performs light emission display. The illuminance sensor 4a detects the illuminance of external light. For example, the microcontroller adjusts the emission brightness of the display 11 according to the illuminance detected by the illuminance sensor 4a.

[0070] The light source cover 3 is disposed in front of the light source substrate 2, and has an external shape that is generally similar to that of the light source substrate 2. The light source cover 3 has a light guide portion 3a that is translucent. The light guide portion 3a is a part of the light source cover 3, and is integrated with the light source cover 3.

[0071] The light guide portion 3a is located between the light source 2a and the indicator display portion 121, and guides the light emitted by the light source 2a to the indicator display portion 121. Specifically, as shown in Figs. 18 and 19, the light guide portion 3a has a cylindrical portion 3b surrounding the light source 2a and an opposing wall portion 3c formed integrally with the cylindrical portion 3b and opposing the indicator display portion 121.

[0072] The light guide portion 3a thus configured satisfies at least one of the following conditions: (i) the light guide portion 3a is made of a material having a light diffusion function; and (ii) the light guide portion 3a is subjected to a light diffusion treatment. In order to satisfy the condition (i), for example, the light guide portion 3a may be made of a milky white resin material, thereby having a light diffusion function. The material having a light diffusion function may be a known material such as a transparent resin material containing fine particles. In addition, in order to satisfy the condition (ii), for example, the light guide portion 3a may be subjected to a treatment to form fine irregularities on the surface thereof by a treatment such as a graining treatment, a sandblasting treatment, or a hairline treatment. As a result, the light emitted from the light source 2a is diffused by the cylindrical portion 3b and the opposing wall portion 3c, and the indicator display portion 121 can be illuminated without or with little unevenness.

[0073] The sensor cover 5 is disposed in front of the sensor board 4, and has an outer shape generally similar to that of the sensor board 4. The sensor cover 5 has an opening 5a formed at a position facing the illuminance sensor 4a in the front-rear direction, and a light entrance guide 5b which is a cylindrical portion communicating with the opening 5a. The light entrance guide 5b surrounds the illuminance sensor 4a, and guides external light which passes through the sensor window 122 and the opening 5a to the illuminance sensor 4a. The sensor cover 5 is formed, for example, from resin.

[0074] As shown in FIG. 18, through holes 2h1 and 2h2 are formed in the light source substrate 2. Furthermore, through holes 3h1 and 3h2 are formed in the light source cover 3. The through hole 2h1 corresponds to the through hole 3h1, and the through hole 2h2 corresponds to the through hole 3h2, and a pin (not shown) formed in the main plate portion 220 of the standing wall portion 22 is inserted into each of the through holes. This positions the light source substrate 2 and the light source cover 3 with respect to the standing wall portion 22. Furthermore, a fitting hole 2M is formed in the light source substrate 2, and a fitting portion 3M that fits into the fitting hole 2M is formed in the light source cover 3. The fitting portion 3M protrudes backward. This positions the light source cover 3 with respect to the light source substrate 2.

[0075] Further, through holes 4h1 and 4h2 are formed in the sensor board 4. Further, through holes 5h1 and 5h2 are formed in the sensor cover 5. The through holes 4h1 and 5h1 correspond to each other, and the through holes 4h2 and 5h2 correspond to each other, and a pin (not shown) formed in the main plate portion 220 of the standing wall portion 22 is inserted through each of them. This positions the sensor board 4 and the sensor cover 5 with respect to the standing wall portion 22. Further, a fitting hole 4M is formed in the sensor board 4, and a fitting portion 5M that fits into the fitting hole 4M is formed in the sensor cover 5. The fitting portion 5M protrudes backward. This positions the sensor cover 5 with respect to the sensor board 4.

[0076] As shown in FIG. 19, the illuminance sensor 4a is located forward of the light source 2a, that is, near the cover glass 12. This prevents the intensity of external light received by the illuminance sensor 4a from decreasing, and allows the light emitted by the light source 2a to be diffused well before it reaches the indicator display unit 121. For example, the front-back relationship of the illuminance sensor 4a and the light source 2a is determined by the support positions of the sensor board 4 and the light source board 2. For example, the metal main board 220m in the main board 220 is provided with a platform-like portion that supports the sensor board 4 and the light source board 2, and the height of the platform-like portion is adjusted so that the illuminance sensor 4a is located forward of the light source 2a. Note that a packing 6 is provided between the cover glass 12 and each of the light source cover 3 and the sensor cover 5.

[0077] In the above, an example has been described in which the light guide portion 3a is integral with the light source cover 3, that is, the light source cover 3 has light diffusibility over the entirety, but this is not limiting. Only the light guide portion 3a of the light source cover 3 may have light diffusibility. For example, the light guide portion 3a of the light source cover 3 may be formed from a material having a light diffusive function, and the other portions may be formed from a material not having a light diffusive function (for example, the light source cover 3 may be produced by two-color molding).

[0078] The present invention is not limited to the above-described embodiment and drawings. Modifications (including deletion of components) can be made as appropriate within the scope of the present invention. For example, the support 20 does not have to be entirely made of metal, and at least the cover portion 21 needs to be made of metal.

[0079] Hereinafter, a first modified example and a second modified example of this embodiment will be described. First, the first modified example will be described. In the above-mentioned embodiment, the first protrusion 223 is composed of a metal protrusion 223m and a resin protrusion 223r, and the metal protrusion 223m is U-shaped and the resin is filled in the recessed portion therein to integrally form the first protrusion 223 with the resin protrusion 223r. However, as shown in FIG. 20, the metal protrusion 223m may be provided with a metal protrusion 223s that protrudes toward the frame portion 221 side with a gap between the metal protrusion 223m and the frame portion 221. The metal protrusion 223s is configured as a convex shape that protrudes upward from a substantially middle portion of the metal protrusion 223m (in other words, the portion where the metal protrusion 223m is folded back) as a starting point.

[0080] 21 shows a state in which one end (right end) of the 1-1 fixing tape 25a and one end (upper end) of the second fixing tape 25c are located on the first raised portion 223. In this modification, one end (right end) of the 1-1 fixing tape 25a and one end (upper end) of the second fixing tape 25c are located on the first raised portion 223 with a gap GP1 formed therebetween, and it is possible to prevent foreign matter such as water and dust from entering the inside of the device (inside the standing wall portion 22). In particular, in this modification, the metal protruding portion 223s is provided on the metal protruding portion 223m, so that the metal protruding portion 223s, the main plate portion 220 (the metal main plate portion 220m), the frame portion 221, the first raised portion 223, the fixing tape 25, and the cover glass 12 form a foreign matter storage space Y having a substantially tub shape for storing the foreign matter. With this configuration, it is possible to more reliably prevent foreign matter from entering the inside of the device (inside the standing wall portion 22). Note that the metal protrusion portion 223s is also provided on the left side portion of the standing wall portion 22.

[0081] Next, a second modified example will be described. In the above embodiment, the fixing tape 25 (the 1-2 fixing tape 25b) has a long and narrow strip shape extending in the left-right direction, but as shown in FIG. 22, for example, a missing portion Z1 having a notch shape with an opening (missing) on ​​the cover part 21 side may be provided at a position corresponding to the metal protruding part 223s on the right end side of the fixing tape 25 (the 1-2 fixing tape 25b). Note that the missing portion Z1 here may be a portion of the 1-2 fixing tape 25b corresponding to the area directly below the metal protruding part 223s. Furthermore, in this case, by providing the missing portion Z1 as shown in FIG. 23, a void Z2 is formed between the outer end of the cover glass 12 and the frame part 21 (the 1-2 part 221b). Therefore, if foreign matter such as water overflows from the foreign matter storage space Y, the overflowing water (foreign matter) flows downward (directly below the metal protrusion 223s) due to the action of gravity, and the water (foreign matter) that reaches the frame portion 221 side passes through the void Z2 and is discharged to the outside of the display device 100, thereby improving waterproofing. Note that the cutout portion Z is also provided in the left portion of the standing wall portion 22.

[0082] The display device 100 described above can be described from the following viewpoints A to I.

[0083] (A1) A display device according to aspect A of the present disclosure, a display unit having a display surface exposed from a dashboard of a vehicle and displaying an image on the display surface; a circuit board located within the dashboard; a support body having a cover portion located in the dashboard and covering the circuit board from above, and a standing wall portion standing above the cover portion, the standing wall portion supporting the display unit; and a sound-producing body located between the dashboard and the cover portion. According to this configuration, the sound emitted from the sound generating body reaches the user through the dashboard, making it easy for the user to hear the sound generated by the sound generating body. Also, since the sound generating body is not directly visible to the user, the appearance quality is good.

[0084] (A2) The display device according to viewpoint A further includes a case that is fixed to the upper side of the cover and that houses the sound generating body. With this configuration, the sound generating body can be easily attached to the case.

[0085] (A3) The case has a fitting hole formed therein, which fits with a protruding member provided from the dashboard toward the case. With this configuration, the case or the display device can be easily fixed to the dashboard.

[0086] (A4) The case is, a main wall portion facing the dashboard in the up-down direction; a housing portion that is recessed downward from the main wall portion and that houses the sound generating body; a protrusion protruding upward from the main wall portion, The fitting hole is formed in the protrusion. With this configuration, the case or the display device can be more easily fixed to the dashboard.

[0087] (B1) A display device according to aspect B of the present disclosure, a display unit having a display surface exposed from a dashboard of a vehicle and displaying an image on the display surface; a circuit board located within the dashboard; a support body having a cover portion located in the dashboard and covering the circuit board from above, and a standing wall portion standing above the cover portion, the standing wall portion supporting the display unit; a sound-producing body located between the dashboard and the cover; a case fixed to an upper side of the cover portion and housing the sound generating body; a wiring that electrically connects the sound generator and the circuit board, the wiring extends from the sound generator through a gap between the cover and the case to the circuit board; The case has a wire protection portion that covers a portion of the wire extending from the gap toward the circuit board. According to this configuration, the sound emitted by the sound generator is easy to hear and the appearance quality is good, similar to viewpoint A. Furthermore, the wiring protection section can protect the wiring from the outside of the device.

[0088] (B2) The wiring protection portion is formed on the cover portion side with a locking portion that locks a part of the wiring. According to this configuration, the wiring can be easily managed.

[0089] (B3) The wiring passes from the sound generating body through the gap and is connected to the bottom surface of the circuit board. This configuration allows the lower surface of the circuit board to be used efficiently.

[0090] (B4) At least the cover portion of the support is made of metal, the cover portion has a side wall portion facing the wiring protection portion, The side wall portion has a notch through which a part of the wiring passes. According to this configuration, it is possible to provide the cover with an electromagnetic wave shielding function while ensuring a path for wiring to the circuit board.

[0091] (C1) A display device according to aspect C of the present disclosure, a display unit having a display surface exposed from a dashboard of a vehicle and displaying an image on the display surface; The display device further comprises a circuit board that is located below the display unit within the dashboard, protrudes forward of the display surface, and is electrically connected to the display unit. This configuration can prevent dead space from being generated behind the display unit on the dashboard. For example, a device such as a head-up display (HUD) may be installed behind the display unit (i.e., between the display unit and the windshield), so it is meaningful to secure the space behind the display unit.

[0092] (C2) The display device according to viewpoint C further includes a support body having a cover portion located in the dashboard and covering the circuit board from above, and a standing wall portion standing above the cover portion, the standing wall portion supporting the display unit, At least the cover portion of the support body is made of metal, the cover portion has a board accommodating portion that accommodates the circuit board under the cover portion, The circuit board has a main surface facing upward, At least a portion of the outer edge of the main surface is in surface contact with the substrate accommodating portion. With this configuration, the gap between the cover and the circuit board can be reduced, allowing the cover to better exhibit its electromagnetic wave shielding function.

[0093] (C3) The cover portion has an upper wall portion facing the main surface, The upper wall portion has a recess that recesses toward the circuit board. With this configuration, a recess for dissipating heat can be provided in the cover portion that exhibits a shielding function.

[0094] (C4) The recess has a first protruding portion and a second protruding portion protruding from a lower surface of the recess toward the circuit board, a first circuit element that is in contact with a first thermally conductive sheet provided on the first raised portion and a second circuit element that is in contact with a second thermally conductive sheet provided on the second raised portion are mounted on the main surface; the first raised portion and the second raised portion have different distances to the circuit board; The first thermally conductive sheet and the second thermally conductive sheet have the same thickness. With this configuration, a common sheet can be used as the first thermally conductive sheet and the second thermally conductive sheet.

[0095] (C5) The display device according to viewpoint C further includes an elastic conductive member sandwiched between the lower surface of the recess and a ground pattern formed on the main surface of the circuit board, The elastic force of the conductive member acts on both the lower surface and the circuit board. According to this configuration, it is possible to provide the cover with a shielding function while providing shock-absorbing properties for both the cover and the circuit board.

[0096] (C6) The support is formed of a metal; Between the standing wall portion and the cover portion of the support body, an insertion hole is formed for passing a flexible member that electrically connects the display portion and the circuit board. According to this configuration, the flexible member can be easily protected. Note that "the support body is made of metal" does not necessarily mean that the entire support body is made of metal, but also includes a mode in which a part of the vertical wall portion is made of a resin portion.

[0097] (D1) A display device according to aspect D of the present disclosure, A display unit for displaying an image; A sound-producing body that produces sound; a circuit board electrically connected to the sound generator; A cover member that houses the circuit board; a case having a recessed housing portion for housing the sound generating body; The rear side of the sound generating body is covered by the bottom surface of the housing portion. According to this configuration, the structure of the back side of the sounding body can be determined by the structure of the case for the sounding body, so that the back cavity structure of the sounding body can be easily determined. Display device.

[0098] (D2) The case has a plurality of hooks for fixing the sound generating body. With this configuration, the sound generating body can be easily attached to the case.

[0099] (D3) Each of the plurality of hooks has an inclined surface that comes into contact with the sound generating body, and the inclined surface presses the sound generating body toward the bottom surface. With this configuration, the sound generating body can be stably fixed to the case.

[0100] (D4) The case has a main wall portion in which the storage portion is formed and an outer peripheral wall connected to the main wall portion, The outer peripheral wall is formed with heat dissipation slits. With this configuration, the heat dissipation slits can release heat trapped inside the case. Also, because the rear side of the sound generator is covered by the bottom surface of the housing as described above, even if heat dissipation slits are provided in this way, it is possible to prevent the sound pressure from decreasing due to interference between the sound generator and the positive phase sound waves caused by the negative phase sound waves leaking to the outside through the heat dissipation slits.

[0101] (D5) The case has holes for fixing the sounding body with screws. With this configuration, the sound generating body can be fixed more firmly to the case.

[0102] (E1) A display device according to aspect E of the present disclosure, A display unit for displaying an image; A circuit board electrically connected to the display unit; a support body having a cover portion that covers the circuit board from above and a standing wall portion that stands above the cover portion and supports the display unit with the standing wall portion; a case fixed to an upper side of the cover portion, At least the cover portion of the support body is made of metal, The case is formed with heat dissipation slits. With this configuration, the heat generated on the circuit board can be conducted into the case via the metal cover and then dissipated to the outside through the heat dissipation slits, thereby enabling the heat generated on the circuit board to be efficiently dissipated to the outside.

[0103] (E2) The heat dissipation slits are formed in the outer peripheral wall of the case. This configuration allows for effective use of areas other than the outer peripheral wall of the case. For example, a housing portion for housing the sound generating body as described above can be formed in the main wall of the case.

[0104] (E3) A thermally conductive sheet is provided between the cover portion and a circuit element mounted on the circuit board. With this configuration, the heat generated in the circuit board can be efficiently transferred to the cover portion.

[0105] (F1) A display device according to aspect F of the present disclosure, A display unit including a display that displays an image and a cover glass that is fixed to the display and includes a transparent area through which the image is transmitted; a circuit board electrically connected to the display; a support body having a cover portion that covers the circuit board from above, and a standing wall portion that stands above the cover portion and supports the display unit with the standing wall portion, The standing wall portion has a main plate portion and a frame portion protruding from a peripheral edge of the main plate portion toward the cover glass, the display is located in a room surrounded by the main plate portion and the frame portion of the standing wall portion, The rear surface of the cover glass is adhesively fixed to the frame portion, The rear surface of the display is adhesively fixed to the main plate portion. According to this configuration, the display unit only needs to be glued to the vertical wall located behind it, and the adhesive area between the display unit and the vertical wall can be secured, so that the force required to fix the display unit can be secured with a simple structure. In addition, since the display unit is also glued to the main plate, it is possible to narrow the frame (narrow frame specification). This can also improve the appearance quality of the display device.

[0106] (F2) the main plate portion is provided with a plurality of protrusions protruding toward the display, The rear surface of the display is adhesively fixed to the plurality of protrusions. According to this configuration, the adhesive locations on the rear surface of the display can be determined in advance, making it easy to grasp the adhesive and fixing locations during assembly.

[0107] (F3) A gap is generated between the rear surface of the display and the plurality of protrusions, The rear surface of the display is adhesively fixed to the plurality of protrusions by the adhesive filled in the gaps. With this configuration, dimensional variations can be absorbed by the gap between the rear surface of the display and the convex portion of the vertical wall portion, thereby enabling strong adhesion of the display portion to the vertical wall portion while reducing the impact on the appearance (periphery of the display) after adhesive fixation.

[0108] (F4) the rear surface of the cover glass is adhered and fixed to the frame portion by double-sided tape; The rear surface of the display is adhesively fixed to the main plate portion by an adhesive. According to this configuration, among the components of the display unit, the cover glass can be fixed with double-sided tape while being positioned relative to the frame, and the display can be firmly fixed to the main board with adhesive. For example, after applying adhesive to the main board, the cover glass can be positioned relative to the frame of the vertical wall and then bonded with double-sided tape before the adhesive hardens. The rear surface of the cover glass may be bonded to the frame with adhesive.

[0109] (G1) A display device according to aspect G of the present disclosure, a display unit having a display surface exposed from a dashboard of a vehicle and displaying an image on the display surface; a circuit board located within the dashboard; a cover portion located in the dashboard and covering the circuit board from above, and a support body having a standing wall portion standing above the cover portion and supporting the display unit with the standing wall portion, The vertical wall portion has a metal portion and a resin portion that are integrally molded, the cover portion is made of metal and is integral with the metal portion of the standing wall portion, The portion of the standing wall that is exposed from the dashboard is formed of the resin portion. According to this configuration, since the portion exposed from the dashboard is a resin portion, it is possible to prevent the portion exposed from the dashboard from becoming too hot.

[0110] (G2) The resin part has an upper part located above the dashboard and a lower part located below the dashboard, The lower portion is provided with an engagement portion that engages with a fixing member that is fixed to the dashboard. According to this configuration, since the resin portion reaches the lower part of the dashboard, the metal portion is prevented from being seen by the user through the opening formed in the dashboard for exposing the display portion and the standing wall portion above the dashboard, and the appearance quality of the display device can be improved. Also, the engagement portion formed of the resin portion makes it easy to assemble the display device to the dashboard of the vehicle.

[0111] (G3) a connector to be connected to a wire harness of the vehicle is mounted on the circuit board; The cover portion includes a roof portion that covers the connector from above. According to this configuration, it is possible to protect the connector, and for example, it is possible to prevent the connector from coming off the circuit board when attaching or detaching the wire harness to or from the connector.

[0112] (H1) A display device according to aspect H of the present disclosure, A display unit including a display that displays an image and a cover glass that is fixed to the display and includes a transparent area through which the image is transmitted; a circuit board electrically connected to the display; a support body having a cover portion that covers the circuit board from above, and a standing wall portion that stands above the cover portion and supports the display unit with the standing wall portion, The standing wall portion has a main plate portion and a frame portion protruding from a peripheral edge of the main plate portion toward the cover glass, the display is located in a room surrounded by the main plate portion and the frame portion of the standing wall portion, The vertical wall portion is located inside the frame portion, is connected to the frame portion, and further has a raised portion (a first raised portion 223 and a second raised portion 224) that rises from the main plate portion toward the cover glass, the frame portion has a first portion (a 1-1 portion 221a, a 1-2 portion 221b) extending in a first direction and a second portion (a second portion 221c) extending in a second direction intersecting the first direction, Between the first portion and the rear surface of the cover glass, a first fixing tape (a first-first fixing tape 25a, a first-second fixing tape 25b) is located, the first fixing tape being fixed to at least one of the first portion and the rear surface of the cover glass; A second fixing tape (second fixing tape 25c) is located between the second portion and the rear surface of the cover glass and is fixed to at least one of the second portion and the rear surface of the cover glass, one end of the first fixing tape and one end of the second fixing tape are positioned on the raised portion with gaps (gap GP1, gap GP2) formed therebetween, The gap is in the form of a tortuous passage. As described above, this configuration can prevent foreign matter from entering the interior.

[0113] (H2) The raised portion is wider than the frame portion. According to this configuration, as described above, it is possible to ensure an area for forming a bent passage-like gap.

[0114] (H3) The vertical wall portion has a metal portion and a resin portion that are integrally molded, The raised portion (first raised portion 223) has a metal raised portion that is a part of the metal portion and a resin raised portion that is a part of the resin portion, the frame portion includes a resin frame portion that is integral with the resin protrusion portion and is a part of the resin portion, The metal raised portion has a surrounding shape surrounding the resin raised portion. According to this configuration, as described above, it is possible to suppress the occurrence of sink marks in the resin portion.

[0115] (H4) The transparent area of ​​the display unit is exposed through a dashboard of a vehicle, A portion of the standing wall portion that is exposed from the dashboard is formed of the resin portion, The raised portion is located above the dashboard. As described above, this configuration makes it possible to prevent sink marks from occurring in areas visible to the user.

[0116] (H5) The metal protrusion has a metal protrusion that protrudes toward the frame portion with a gap between it and the frame portion. According to this configuration, as described above, it is possible to more reliably prevent foreign matter from entering the inside of the device (inside the standing wall portion 22).

[0117] (H6) The first fixing tape (the first-2 fixing tape 25b) is provided with a missing portion on the cover portion side at a position corresponding to the metal protruding portion, As described above, this configuration can improve waterproofing.

[0118] (I1) A display device according to aspect I of the present disclosure, a light source substrate on which a light source is mounted; an indicator display unit illuminated by the light source; a light guide portion that is located between the light source and the indicator display portion, guides the light emitted by the light source to the indicator display portion, and has translucency; the light guide portion has a cylindrical portion surrounding the light source, and an opposing wall portion formed integrally with the cylindrical portion and opposing the indicator display portion, At least one of the following conditions is satisfied: the light guide portion is made of a material having a light diffusing function, and the light guide portion is subjected to a light diffusing treatment. According to this configuration, since there is no need to provide a dedicated light diffusion plate, it is possible to suppress an increase in the number of parts while illuminating the indicator display portion with diffused light.

[0119] (I2) Specifically, the light guide portion has the light diffusing function by being formed from a milky white resin material.

[0120] (I3) Specifically, the light guide portion is a part of a light source cover disposed in front of the light source board and is integrated with the light source cover.

[0121] The display devices according to the aspects D, E, F, H (excluding the configuration of H4 described above), and I of the present disclosure may be mounted on vehicles other than vehicles (such as construction machinery, aircraft, and ships).

[0122] In the above description, descriptions of well-known technical matters have been omitted as appropriate in order to facilitate understanding of the present disclosure.

[0123] Various embodiments and modifications of the present invention are possible without departing from the broad spirit and scope of the present invention. The above-described embodiments are for the purpose of explaining the present invention and do not limit the scope of the present invention. That is, the scope of the present invention is indicated by the claims, not the embodiments. Various modifications made within the scope of the claims and the scope of the invention equivalent thereto are considered to be within the scope of the present invention. [Explanation of symbols]

[0124] 100…Display device 1...dashboard, 1a...front portion, 1b...rear portion, 1c...protruding member 2...Light source board, 2a...Light source 2h1,2h2...through hole, 2M...fitting hole 3...Light source cover, 3a...Light guide part, 3b...Cylindrical part, 3c...Opposing wall part 3h1,3h2...Through hole, 3M...Mating part 4...sensor board, 4a...illuminance sensor 4h1,4h2...through hole, 4M...fitting hole 5: Sensor cover, 5a: Opening, 5b: Light guide 5h1,5h2...Through hole, 5M...Mating part 6…Packing 10...display section, 10a...display surface 11. Display 12: cover glass; 12a: transparent region; 13: transparent adhesive layer 121: indicator display unit, 122: sensor window 20...Support 21…Cover part 210...Top wall part, 210a...Concave part, 210b...Bottom surface U1: first raised portion, U2: second raised portion, T1: first thermally conductive sheet, T2: second thermally conductive sheet 211: outer peripheral wall, 211a: side wall portion, 211b: notch 212...Substrate housing section 213... roof portion, 213a... wire harness insertion port 22...standing wall part, 22m...metal part, 22r...resin part, 22r1...upper part, 22r2...lower part 220...Main plate part, 220m...Metal main plate part, 220r...Resin main plate part 221...frame section, 221m...metal frame section, 221r...resin frame section 221a...Part 1-1, 221b...Part 1-2, 221c...Part 2 222…Convex part 223...first raised part, 223m...metal raised part, 223r...resin raised part 224…Second raised part 23...connecting portion, 24...insertion hole 25…Fixing tape 25a...first-first fixing tape, 25b...first-second fixing tape, 25c...second fixing tape GP1, GP2...Gap 26...adhesive, 27...engagement portion 30...Circuit board, 31...Through hole 30a...Main surface, S1...First circuit element, S2...Second circuit element, C3...Connector 30b…Bottom surface 40: flexible member, C1: connector 50…Wiring, C2…Connector 60...Conductive member 70...sounding body, 71...sounding part 80…case 81…Main wall part 82... outer peripheral wall, 82a... heat dissipation slit 83... storage section, 83a... bottom surface 84...Protrusion, 84a...Fitting hole 85... Wiring protection portion, 85a, 85b... Locking portion, G... Gap 86: recessed portion, 86a: engaging portion 87...hook, 87a...inclined surface, 88...support portion, 89...enclosure wall H…hole, N…screw, V…imaginary line 90...Lower cover (cover part)

Claims

1. A display unit including a display that displays an image and a cover glass that is fixed to the display and includes a transparent area through which the image is transmitted; a circuit board electrically connected to the display; a support body having a cover portion that covers the circuit board from above, and a standing wall portion that stands above the cover portion and supports the display unit with the standing wall portion, The standing wall portion has a main plate portion and a frame portion protruding from a peripheral edge of the main plate portion toward the cover glass, the display is located in a room surrounded by the main plate portion and the frame portion of the standing wall portion, the upright wall portion further includes a protruding portion located inside the frame portion, connected to the frame portion, and protruding from the main plate portion toward the cover glass, the frame portion has a first portion extending in a first direction and a second portion extending in a second direction intersecting the first direction, a first fixing tape is located between the first portion and the rear surface of the cover glass, the first fixing tape being fixed to at least one of the first portion and the rear surface of the cover glass; a second fixing tape is located between the second portion and the rear surface of the cover glass, the second fixing tape being fixed to at least one of the second portion and the rear surface of the cover glass; one end of the first fixing tape and one end of the second fixing tape are positioned on the raised portion with a gap formed therebetween, The gap is a tortuous passageway. Display device.

2. The raised portion is wider than the frame portion. The display device according to claim 1 .

3. The vertical wall portion has a metal portion and a resin portion that are integrally molded, the raised portion has a metal raised portion which is a part of the metal portion and a resin raised portion which is a part of the resin portion, the frame portion includes a resin frame portion that is integral with the resin protrusion portion and is a part of the resin portion, The metal protrusion has a surrounding shape surrounding the resin protrusion. The display device according to claim 1 .

4. The transparent area of ​​the display unit is exposed through a dashboard of a vehicle, A portion of the standing wall portion that is exposed from the dashboard is formed of the resin portion, The raised portion is located above the dashboard. The display device according to claim 3 .

5. The metal protrusion portion includes a metal protrusion portion protruding toward the frame portion with a gap between the metal protrusion portion and the frame portion. The display device according to claim 3 .

6. The first fixing tape has a missing portion at a position corresponding to the metal protruding portion, the missing portion being located on the cover portion side. The display device according to claim 5 .

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