CN210323669U

CN210323669U - Reduce on-vehicle display screen MURA's of laminating entirely mounting structure

Info

Publication number: CN210323669U
Application number: CN201921430218.5U
Authority: CN
Inventors: 姚东利
Original assignee: Huizhou Desay SV Automotive Co Ltd
Current assignee: Huizhou Desay SV Automotive Co Ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-04-14
Anticipated expiration: 2029-08-30

Abstract

The utility model relates to an installation structure for reducing the MURA of a vehicle-mounted full-laminating display screen, which sequentially comprises a display module, a fixed bracket and a panel from top to bottom, wherein the display module is fixed with the fixed bracket in an adhesive way, and the fixed bracket is fixed with the panel in a buckling way; the panel clamping device comprises a fixing support, a panel, a clamping groove and a convex block, wherein the fixing support is provided with a plurality of clamping rings extending along the circumferential direction of the panel along the fixing support, the surface, opposite to the panel, of the fixing support is provided with the clamping groove through which the clamping rings can penetrate, the convex block is protruded in the clamping groove and can be clamped into the convex block in the clamping ring, and the fixing support is fixed with the panel through the matched clamping rings and the convex blocks. The utility model fixes the display module with the fixed bracket by gluing, and fixes the fixed bracket with the panel by buckling, and the buckling structure can absorb most of the deformation of the panel, so that the glue between the display module and the fixed bracket can not crack; meanwhile, the backlight box is fixed with the fixed support in an adhesive mode, the display MURA caused by panel deformation is reduced, and therefore the problem of the display screen MURA is solved.

Description

Reduce on-vehicle display screen MURA's of laminating entirely mounting structure

Technical Field

The utility model relates to an on-vehicle demonstration technical field, in particular to intelligence response one kind reduces on-vehicle full laminating display screen MURA's mounting structure.

Background

The display screen of laminating entirely is at on-vehicle universal application for the display screen size increases to 12 cun from 8 cun, and current assembled mode is: the glass of the display module is adhered to the plastic panel or the cast aluminum panel into a whole by using double-sided adhesive or silica gel so as to reduce the deformation of the panel caused by thermal expansion and cold contraction, and then the panel is subjected to pressure maintaining and then is assembled in the next procedure. The assembly mode of the vehicle-mounted full-lamination display screen has the following problems: due to the production line efficiency, after the pressure maintaining, the standing time is short or the next working procedure is switched to continue the production without standing, at the moment, the bonding strength of the glue only reaches 60-70%, and the possibility of non-sticking of the local narrow bonding surface is increased; then the product is through high low temperature impact experiment, and the corner of plastic panel all can produce the deformation, and the serious meeting of warping tears the gluey of plastic panel and glass bonding, causes local the debonding. Therefore, the phenomenon of MURA tends to be serious, particularly, the size of the plastic panel is large, the deformation caused by expansion with heat and contraction with cold is obvious, and the severity of MURA is continuously increased. Cast aluminum panels are good, but have high cost and cannot be made narrow.

Disclosure of Invention

The utility model provides a solve above-mentioned technical problem, provide a reduce on-vehicle display screen MURA's of laminating entirely mounting structure.

In order to solve the technical problem, the technical scheme of the utility model as follows:

the mounting structure for reducing the MURA of the vehicle-mounted full-lamination display screen sequentially comprises a display module, a fixed support and a panel from top to bottom, wherein the display module is fixedly adhered to the fixed support, and the fixed support is fixedly buckled with the panel; the fixed bolster with the relative one side of panel is followed a fixed bolster circumference a plurality of snap rings extend to the panel direction the panel with snap ring relative position department be equipped with can make the draw-in groove that the snap ring passed bulge in the draw-in groove can block in the lug in the snap ring, the fixed bolster pass through assorted snap ring and lug with the panel buckle is fixed.

Furthermore, as a preferred technical scheme, one side of the fixed support opposite to the panel extends out of the limiting table along the circumferential direction of the mounting groove of the fixed support in the direction of the panel, and the clamping ring is positioned outside the limiting table or on the limiting table.

Furthermore, as a preferred technical scheme, an installation platform for installing the fixed support is arranged on the panel, and the clamping groove is located on the installation platform or on the inner side wall of the installation platform.

Furthermore, as a preferred technical scheme, a projection in the clamping groove on the mounting table extends outwards from the panel along the inner wall of the clamping groove; and the convex block in the clamping groove on the inner side wall of the mounting table extends towards the inside of the panel along the inner wall of the clamping groove.

Further, as a preferred technical scheme, a plurality of the snap rings are uniformly distributed along the circumference of the fixing support.

Further, as a preferred technical solution, the snap ring includes a U-shaped structure or an arc-shaped structure extending along a circumferential direction of the fixing bracket in the panel direction.

Further, as preferred technical scheme, display module assembly includes touch-sensitive screen, LCD board and backlight box, touch-sensitive screen, LCD board and backlight box are adhesive bonding in proper order, the touch-sensitive screen with the fixed bolster adhesive fixation, the box that is shaded passes the mounting groove of fixed bolster with beat between the mounting groove inner wall and glue fixedly.

Further, as a preferred technical scheme, the portable electronic device further comprises a PCBA and a rear cover, wherein the PCBA is fixedly installed on the back face of the panel, and the panel is fixedly connected with the rear cover.

Further, as a preferred technical scheme, a plurality of studs are arranged on the back face of the panel along the periphery of the panel, and the rear cover is fixed with the panel in a threaded manner.

Further, as a preferred technical scheme, the panel comprises a plastic panel or a cast aluminum panel; the fixed bolster is the plastic material.

Compared with the prior art, the utility model discloses technical scheme's beneficial effect is:

the utility model fixes the display module with the backlight box and the fixed bracket in a gluing way, and fixes the fixed bracket and the panel in a buckling way, and the buckling structure can absorb most of the deformation of the panel, especially the corner deformation caused by high and low temperature impact experiments, so that the cracking of glue between the display module and the fixed bracket can not be generated, and the gluing strength between the display module and the panel is improved; meanwhile, the backlight box is fixed with the fixed support in an adhesive mode, the display MURA caused by panel deformation is reduced, and therefore the problem of the display screen MURA is solved.

Drawings

Fig. 1 is an explosion diagram of the present invention.

Fig. 2 is a structural diagram of the fixing bracket and the panel of the present invention.

Fig. 3 is a structural diagram of the fixing bracket of the present invention.

Fig. 4 is a front structure view of the panel of the present invention.

Fig. 5 is a front enlarged view of the panel of the present invention.

Fig. 6 is a back structure view of the panel of the present invention.

Fig. 7 is a partial enlarged view of the back of the panel according to the present invention.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted; the same or similar reference numerals correspond to the same or similar parts; the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent.

Detailed Description

The following detailed description of the preferred embodiments of the present invention is provided to enable those skilled in the art to better understand the advantages and features of the present invention, and to define the scope of the present invention more clearly.

Example 1

The utility model provides a reduce on-vehicle full laminating display screen MURA's mounting structure, as shown in FIG. 1: from last down including display module assembly 1, fixed bolster 2, panel 3, PCBA board 4 and back lid 5 in proper order, display module assembly 1 and fixed bolster 2 sticky fixed, fixed bolster 2 is fixed with 3 buckles of panel, and PCBA board 4 fixed mounting is at the back of panel 3, panel 3 and back lid 5 fixed connection. Wherein, display module assembly 1 includes touch-sensitive screen 11, LCD board 12 and box 13 in a poor light, and touch-sensitive screen 11, LCD board 12 and box 13 in a poor light are glued joint in proper order, and touch-sensitive screen 11 and the 2 sticky fixings of fixed bolster, and box 13 in a poor light pass and beat between the mounting groove of fixed bolster 2 and the mounting groove inner wall and glue fixedly to the demonstration MURA that panel 3 warp and arouse has been reduced. In the present embodiment, the touch panel 11 and the LCD panel 12 and the backlight box 13 are adhered by a double-sided tape.

The fixed bracket 2 is shown in fig. 2-3: a plurality of snap rings 21 extend out along the 3 directions of 2 a week of fixed bolster 3 opposite sides of fixed bolster 2 with panel, and a plurality of snap rings 21 are evenly arranged along 2 a week of fixed bolster. Meanwhile, the fixing support 2 and the panel 3 are opposite, one side of the fixing support extends out of the limiting table 22 along the direction of the mounting groove of the fixing support 2 and the direction of the panel 3, and the clamping ring 21 is located outside the limiting table 22 or on the limiting table 22. The clamping ring 21 comprises a U-shaped structure or an arc-shaped structure extending along the direction of the panel 3 along the circumference of the fixed support 2, and the arrangement position of the clamping ring 21 is arranged according to the specification structures of the backlight box 13 and the panel 3; the fixing support 2 is made of plastic materials, preferably, the fixing support 2 is made of plastic materials or aluminum materials with lower CTE (coefficient of thermal expansion); meanwhile, in the embodiment, because the shape of the fixing support 2 is simple, the flatness is easily ensured during injection molding.

The panel 3 is shown in fig. 4-7: a clamping groove 31 through which the clamping ring 21 can pass is arranged at the position, opposite to the clamping ring 21, of the panel 3, a convex block 32 capable of being clamped into the clamping ring 21 protrudes from the clamping groove 31, and the fixing support 2 is fixed with the panel 3 through the matched clamping ring 21 and the convex block 32 in a buckling mode; an installation platform 33 for installing the fixed support 2 is arranged on the panel 3, and the clamping groove 31 is positioned on the installation platform 33 or on the inner side wall of the installation platform 33; a projection 32 in the slot 31 on the mounting table 33 extends along the inner wall of the slot 31 toward the outside of the panel 3; a projection 32 in the slot 31 on the inner side wall of the mounting table 33 extends along the inner wall of the slot 31 into the faceplate 3. The positions of the card slot 31 and the projection 32 are also set according to the specification structure of the backlight box 13 and the panel 3.

A plurality of studs 34 are provided on the back surface of the panel 3 along the periphery of the panel 3, and the rear cover 5 is screwed to the panel 3 by screws.

In the present invention, the panel 3 comprises a plastic panel or a cast aluminum panel. The clamping groove 31 arranged on the panel 3 can absorb the deformation of most plastic panels, especially the corner deformation caused by high and low temperature impact experiments, and the cracking of glue between the touch screen 11 and the fixed support 2 can not be generated.

The utility model discloses the assembling process, equipment display module assembly 1, display module assembly 1 that will assemble is sticky with fixed, reverse placing, display module assembly 1's touch-sensitive screen 11 promptly is the holding surface, and the point is glued between the mounting groove inner wall of box 13 and fixed bolster 2 in a poor light to fixed backlight box 13, then according to the design pre-pressure pre-compaction after, the stationary fixing between, for example, more than 10H, with panel 3 lock, before here, can be fixed PCBA board 4 and back lid 5 with the panel earlier.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The mounting structure for reducing the MURA of the vehicle-mounted full-lamination display screen is characterized by sequentially comprising a display module (1), a fixed support (2) and a panel (3) from top to bottom, wherein the display module (1) is fixedly adhered to the fixed support (2), and the fixed support (2) is fixedly buckled with the panel (3); fixed bolster (2) with the relative one side of panel (3) is followed fixed bolster (2) a week fixed bolster (3) direction extends a plurality of snap rings (21) panel (3) with snap ring (21) relative position department is equipped with and makes draw-in groove (31) that snap ring (21) passed protrusion can block in draw-in groove (31) lug (32) in snap ring (21), fixed bolster (2) through assorted snap ring (21) and lug (32) with panel (3) buckle is fixed.

2. The mounting structure for reducing the MURA (multiple user interface) of the vehicle-mounted full-lamination display screen according to claim 1, wherein a limiting table (22) extends out of one side of the fixing support (2) opposite to the panel (3) along the circumferential direction of the mounting groove of the fixing support (2) to the panel (3), and the clamping ring (21) is positioned outside the limiting table (22) or on the limiting table (22).

3. The mounting structure for reducing the MURA of the on-vehicle full-lamination display screen according to claim 2, wherein a mounting table (33) for mounting the fixing bracket (2) is provided on the panel (3), and the slot (31) is located on the mounting table (33) or on the inner side wall of the mounting table (33).

4. The mounting structure for reducing the MURA of the vehicle-mounted full-fit display screen according to claim 3, wherein a projection (32) in a slot (31) on the mounting table (33) extends along an inner wall of the slot (31) to the outside of the panel (3); and the projection (32) in the clamping groove (31) on the inner side wall of the mounting table (33) extends towards the inside of the panel (3) along the inner wall of the clamping groove (31).

5. The mounting structure for reducing the MURA of the vehicle-mounted full-lamination display screen according to claim 1, wherein a plurality of the snap rings (21) are uniformly distributed along a circle of the fixing support (2).

6. The mounting structure for reducing the MURA of the vehicle-mounted full-laminated display screen according to claim 1, wherein the snap ring (21) comprises a U-shaped structure or an arc-shaped structure extending along a circumference of the fixing bracket (2) towards the panel (3).

7. The mounting structure for reducing the MURA (fully-laminated display screen) in the vehicle according to claim 2, wherein the display module (1) comprises a touch screen (11), an LCD (12) and a backlight box (13), the touch screen (11), the LCD (12) and the backlight box (13) are sequentially connected in an adhesive manner, the touch screen (11) is fixedly adhered to the fixing support (2), and the backlight box (13) penetrates through a mounting groove of the fixing support (2) and is fixedly adhered to the inner wall of the mounting groove.

8. The mounting structure for reducing the MURA (fully conformable display screen) in the vehicle according to claim 1, further comprising a PCBA (4) and a rear cover (5), wherein the PCBA (4) is fixedly mounted on the back surface of the panel (3), and the panel (3) is fixedly connected with the rear cover (5).

9. The mounting structure for reducing the MURA of the vehicle-mounted full-lamination display screen according to claim 8, wherein a plurality of studs (34) are arranged on the back surface of the panel (3) along the periphery of the panel (3), and the rear cover (5) is fixed with the panel (3) in a threaded manner.

10. The mounting structure for reducing MURA of an in-vehicle full-face display screen of claim 1, wherein the panel (3) comprises a plastic panel or a cast aluminum panel; the fixed support (2) is made of plastic materials.