CN213240730U - Do benefit to radiating concatenation screen - Google Patents

Abstract

The utility model provides a do benefit to radiating concatenation screen, including display screen, backplate, back lid and frame, the interval sets up relatively around display screen and the backplate, form a space between display screen and the backplate, the frame encloses to be established around the space. The region of back lid near top and bottom has all seted up a plurality of heat dissipation arrays, and wherein, each heat dissipation array all includes a plurality of louvres. The rear cover of the spliced screen is provided with a plurality of radiating arrays, so that the radiating effect of the spliced screen can be optimized on the premise of not additionally increasing radiating parts; and the heat dissipation array is positioned in the areas of the rear cover close to the top end and the bottom end, and the areas of the rear cover for backlight can be staggered, so that light of the backlight source cannot be emitted from the heat dissipation holes, and backlight of the spliced screen cannot be influenced. Furthermore, as the hot air flows from the lower part to the higher part, the heat dissipation holes at the top end and the bottom end can form convection, which is favorable for accelerating the discharge of the hot air.

Description

Do benefit to radiating concatenation screen

Technical Field

The utility model belongs to concatenation screen field especially relates to a do benefit to radiating concatenation screen.

Background

The spliced screen is a complete liquid crystal spliced display unit, can be used as a display independently, and can be spliced into an oversized screen by liquid crystal. According to different use requirements, the changeable large-screen function which can be changed into large and small is realized: the method comprises the following steps of single-screen split display, single-screen independent display, arbitrary combined display, full-screen liquid crystal splicing, vertical screen display and optional compensation or covering of an image frame.

In the current market, the current market is mainly light, thin and ultra-narrow frame. However, because of pursuit of lightness and thinness and lack of a device for heat dissipation, the heat dissipation effect of the current assembled screen is not good enough, and after long-term use, electronic devices may be damaged, which affects the product performance and the service life. For this reason, it is necessary to develop a built-up screen using heat dissipation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a do benefit to radiating concatenation screen, it can be under the prerequisite that does not additionally increase the radiating part, optimizes the radiating effect of assembling the screen.

The utility model discloses a realize like this, a do benefit to heat dissipation's concatenation screen, including display screen, back lid, backplate and frame, the display screen is with backplate front and back interval and relative setting, display screen, backplate and frame enclose jointly and establish into the space that is used for holding the backlight, wherein, the frame is located around the space; the region of the rear cover close to the top end and the bottom end is provided with a plurality of radiating arrays, wherein each radiating array comprises a plurality of radiating holes.

Furthermore, the number of the heat dissipation arrays arranged in the area of the rear cover close to the top end is more than that of the heat dissipation arrays arranged in the area close to the bottom end.

Furthermore, a plurality of heat dissipation arrays at the position, close to the top end, of the rear cover are arranged in a row, and the heat dissipation arrays are distributed at intervals; similarly, the plurality of heat dissipation arrays at the position of the rear cover close to the bottom end are also arranged in a row, and the heat dissipation arrays are distributed at intervals.

Furthermore, a window is arranged in the middle area of the rear cover, the spliced screen further comprises a convex cover used for covering the circuit main board of the cover, the convex cover covers the window, and a plurality of heat dissipation holes are also formed in the convex cover.

Furthermore, the backlight source is a plurality of wide color gamut LED modules distributed in a dot matrix manner.

Furthermore, the frame comprises a section bar with a right-angled triangle cross section, and the space enclosed by the display screen, the back plate and the frame is in an isosceles trapezoid shape; the section bar is hollow, a groove is formed in the middle of one side face of the section bar, the length direction of the groove extends along the length direction of the section bar, display screen flat cables are distributed in the groove, a plurality of position avoiding grooves distributed at intervals are formed in the two opposite sides of the groove along the length direction of the section bar, the positions of the position avoiding grooves correspond to a part of electronic devices on a COF circuit board of a display screen, and the part of electronic devices are embedded into the position avoiding grooves.

Furthermore, a plurality of bump structures distributed at intervals are arranged at the positions where the two opposite side edges of the groove are staggered with the position avoiding groove, and COF lines of the display screen are arranged in the region between the bump structures.

Furthermore, two ends of the groove are provided with recessed steps lower than the bottom of the groove, and the other part of electronic devices on the COF circuit board of the display screen are embedded into the recessed steps.

Furthermore, the spliced screen also comprises a reflecting plate, the reflecting plate is positioned in the space, a plurality of mounting holes distributed in a dot matrix manner are formed in a plate body of the reflecting plate, and the backlight source extends into the mounting holes; the peripheral edge of reflecting plate extends the reflector wall that outwards slopes.

Further, the section bar is an aluminum section bar.

Compared with the prior art, the utility model, beneficial effect lies in:

the rear cover of the spliced screen is provided with a plurality of radiating arrays, so that the radiating effect of the spliced screen can be optimized on the premise of not additionally increasing radiating parts; and the heat dissipation array is positioned in the areas of the rear cover close to the top end and the bottom end, and the areas of the rear cover for backlight can be staggered, so that light of the backlight source cannot be emitted from the heat dissipation holes, and backlight of the spliced screen cannot be influenced. Furthermore, as the hot air flows from the lower part to the higher part, the heat dissipation holes at the top end and the bottom end can form convection, which is favorable for accelerating the discharge of the hot air.

Drawings

Fig. 1 is a schematic perspective view of a spliced screen facilitating heat dissipation provided by an embodiment of the present invention;

FIG. 2 is a schematic perspective view of the tiled display of FIG. 1 at another angle;

FIG. 3 is a schematic perspective view of a rear cover of the tiled display of FIG. 1;

FIG. 4 is an exploded view of the tiled display of FIG. 1;

FIG. 5 is a schematic longitudinal cross-sectional view of the tiled screen of FIG. 1;

FIG. 6 is a cross-sectional view of the tiled screen of FIG. 1;

FIG. 7 is a schematic perspective view of a frame profile of the tiled display shown in FIG. 1;

FIG. 8 is an enlarged view of area A of FIG. 7;

FIG. 9 is a schematic end view of the framing profile of FIG. 7;

fig. 10 is a schematic longitudinal sectional view of a reflection plate in the tiled screen shown in fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Please refer to fig. 1 to 4, which illustrate a preferred embodiment of the present invention, a splicing screen beneficial to heat dissipation, comprising a display screen 1, a rear cover 2, a back plate 6 and a frame. Display screen 1 and backplate 6 front and back interval and relative setting, display screen 1, backplate 6 and frame enclose jointly and establish the space that is used for holding the backlight, and wherein, the frame is located around this space.

The areas of the rear cover 2 near the top end and the bottom end are all provided with a plurality of heat dissipation arrays, wherein each heat dissipation array comprises a plurality of heat dissipation holes 21.

Therefore, the rear cover 2 is provided with the plurality of heat dissipation arrays, so that the heat dissipation effect of the assembled screen can be optimized on the premise of not additionally increasing heat dissipation components. Moreover, the heat dissipation array is located in the area of the rear cover 2 near the top end and the bottom end, and the area of the rear cover 2 used for backlight can be staggered, so that light of the backlight source cannot be emitted from the heat dissipation holes 21, and backlight of the spliced screen cannot be affected. Further, since the hot air flows from the lower part to the higher part, the heat dissipation holes 21 at the top and bottom ends can form convection, which is beneficial to accelerating the discharge of the hot air. Preferably, since the hot air flows from a lower position to a higher position and is easy to accumulate at the top end position, the number of the heat dissipation arrays arranged at the area of the rear cover 2 close to the top end is greater than that of the heat dissipation arrays arranged at the area close to the bottom end, so as to further increase the heat dissipation speed at the top end position of the spliced screen.

Specifically, a plurality of heat dissipation arrays of the rear cover 2 near the top end are arranged in a row, and the heat dissipation arrays are distributed at intervals. Similarly, a plurality of heat dissipation arrays of the rear cover 2 near the bottom end are also arranged in a row, and the heat dissipation arrays are distributed at intervals.

The window has been seted up to the middle zone of above-mentioned back lid 2, the concatenation screen still includes the convex closure 4 that is used for housing circuit mainboard, convex closure 4 lid seals the window, and, a plurality of louvres 41 have also been seted up on the convex closure 4.

Further, referring to fig. 5 to 9, the frame includes a section bar 3 having a right triangle cross section, and the section bar 3 is hollow. The space is in the shape of an isosceles trapezoid.

The middle position of one side of section bar 3 is provided with recess 31, and the length direction of recess 31 is followed the length direction of section bar 3 extends, the display screen winding displacement is laid in the recess 31.

The opposite two sides of the groove 31 are provided with a plurality of spacing grooves 32 along the length direction of the section bar 3, the positions of the spacing grooves 32 correspond to a part of electronic devices on a COF circuit board of a display screen, and the part of electronic devices are embedded in the spacing grooves 32. Further, both ends of the groove 31 are provided with recessed steps 33 lower than the bottom of the groove 31, and another part of electronic devices on the COF circuit board of the display screen are embedded in the recessed steps 33.

The two opposite sides of the groove 31 are staggered with the position of the avoiding groove 32 to form a plurality of bump structures 34 distributed at intervals, and the COF lines of the display screen are arranged in the area between the bump structures 34. The ridge structure 34 ensures that the COF lines of the display are not pressed when the cover is locked.

In the spliced screen of the embodiment, the section bar 3 of the frame is provided with the groove structure for accommodating the display screen flat cable and the electronic device while realizing the supporting function, so that the space for accommodating the display screen flat cable and the electronic device is not required to be additionally reserved in the thickness direction or the edge direction of the spliced screen, and the spliced screen can be made to be narrower and thinner. And the groove walls on the two sides of the groove structure prevent peripheral material plates from extruding the display screen flat cable and the electronic device, so that the display screen flat cable and the electronic device can be protected.

In this embodiment, the section bar 3 is an aluminum section bar, so that the heat dissipation effect of the spliced screen can be improved.

The backlight source is a plurality of wide color gamut LED modules distributed in a dot matrix manner, so that the color displayed on the screen is full, rich and vivid.

The splicing screen further includes a reflection plate 5, the reflection plate is disposed in the isosceles trapezoid-shaped space, please refer to fig. 10, a plurality of mounting holes 51 distributed in a dot matrix are disposed on a plate body of the reflection plate 5, and the backlight source is disposed in the mounting holes 51 in a penetrating manner. The peripheral edge of the reflector 5 extends to form a reflector wall 52 inclined outward, and the reflector wall 52 can collect light and emit the light to the display screen 1 to prevent the light from diverging outward. Preferably, the longitudinal section of the reflecting plate 5 is an isosceles trapezoid, the frame is arranged around the reflecting plate 5, and the outline of the reflecting plate 5 is matched with the outline of the frame. The frame and the reflecting plate 5 of the assembled screen are mutually embedded in space, so that the structure is compact, and the size of the assembled screen is reduced.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A splicing screen beneficial to heat dissipation comprises a display screen, a rear cover, a back plate and a frame, wherein the display screen and the back plate are arranged in a front-back interval and opposite to each other, the display screen, the back plate and the frame jointly enclose a space for accommodating a backlight source, and the frame is positioned around the space; the heat dissipation structure is characterized in that a plurality of heat dissipation arrays are arranged in the areas, close to the top end and the bottom end, of the rear cover, wherein each heat dissipation array comprises a plurality of heat dissipation holes.

2. The tiled screen of claim 1 wherein the area of the back cover near the top end has a greater number of heat dissipation arrays than the number of heat dissipation arrays located near the bottom end area.

3. The tiled screen of claim 2, wherein the plurality of heat dissipation arrays of the rear cover near the top end are arranged in a row and are spaced apart; similarly, the plurality of heat dissipation arrays at the position of the rear cover close to the bottom end are also arranged in a row, and the heat dissipation arrays are distributed at intervals.

4. The splicing screen of claim 1, wherein a window is formed in the middle region of the rear cover, the splicing screen further comprises a convex cover for covering the circuit main board, the convex cover covers the window, and a plurality of heat dissipation holes are formed in the convex cover.

5. The spliced screen as claimed in any one of claims 1 to 4, wherein the backlight source is a plurality of wide color gamut LED modules distributed in a lattice manner.

6. The spliced screen as claimed in any one of claims 1 to 4, wherein the frame comprises a section bar with a right triangle cross section, and the space enclosed by the display screen, the back plate and the frame is in an isosceles trapezoid shape; the section bar is hollow, a groove is formed in the middle of one side face of the section bar, the length direction of the groove extends along the length direction of the section bar, display screen flat cables are distributed in the groove, a plurality of position avoiding grooves distributed at intervals are formed in the two opposite sides of the groove along the length direction of the section bar, the positions of the position avoiding grooves correspond to a part of electronic devices on a COF circuit board of a display screen, and the part of electronic devices are embedded into the position avoiding grooves.

7. The splicing screen of claim 6, wherein a plurality of ridge structures are arranged at intervals at positions where two opposite side edges of the groove are staggered with the avoiding groove, and the COF lines of the display screen are arranged in an area between the ridge structures.

8. The splicing screen of claim 6, wherein the two ends of the groove are provided with recessed steps lower than the bottom of the groove, and the other part of the electronic devices on the COF circuit board of the display screen are embedded in the recessed steps.

9. The splicing screen of claim 6, further comprising a reflection plate, wherein the reflection plate is located in the space, a plurality of mounting holes distributed in a lattice manner are formed in a plate body of the reflection plate, and the backlight source extends into the mounting holes; the peripheral edge of reflecting plate extends the reflector wall that outwards slopes.

10. The splicing screen of claim 6, wherein the profile is an aluminum profile.

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