Vehicle-mounted display backlight dispensing groove

By designing a backlight dispensing groove for automotive displays, and combining the technical fields of backlight die casting and dispensing groove, the problem of glue overflow in the backlight dispensing area of ​​narrow bezel displays was solved, achieving stable dispensing and improved production efficiency.

CN223712368UActive Publication Date: 2025-12-23WUHU CHANGXIN NEW DISPLAY DEVICE CO LTD
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Patent Information

Application Number
CN202423052956.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-12-23
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

Existing technologies frequently encounter adhesive overflow issues in the backlight dispensing area of ​​narrow-bezel displays, leading to frequent equipment adjustments and impacting production efficiency.

Method used

Design a vehicle display backlight dispensing groove, including a backlight die casting, a dispensing groove, a retaining wall, and a height limiting boss. It is formed by integral die casting and combined with a T-shaped iron frame groove and a C-shaped retaining wall structure to limit the overflow of adhesive and adapt to different structural designs.

Benefits of technology

It achieves stable dispensing, avoids glue overflow, improves production efficiency, reduces equipment adjustment time, ensures cover plate quality, and improves work efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a vehicle-mounted display backlight dispensing groove which comprises a backlight die casting and a dispensing groove body, the dispensing groove body is arranged on the outer side of the backlight die casting, the backlight die casting is provided with a containing groove and an assembling groove, the backlight die casting is fixedly provided with two retaining walls, and the retaining walls are provided with height limiting bosses. The dispensing groove is provided with an ending position and an initial position, and the initial position is communicated with the ending position through a groove body of the dispensing groove. The width of the glue dispensing groove is 1.4 mm, the depth of the glue dispensing groove is 0.2 mm, most frame design requirements can be met, the position of the glue dispensing groove can be adjusted according to different structural design, the round corner is arranged on one side of the retaining wall, the cover plate is prevented from being scratched when the cover plate is installed, the quality of the cover plate is guaranteed, and the production efficiency is improved. By means of the design of the glue dispensing groove, repeated adjustment of glue dispensing parameters is avoided, glue is not prone to overflowing, glue dispensing is stable, and working efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model discloses a point gum groove technical field relates to a kind of vehicle-mounted display backlight point gum grooves. BACKGROUND

[0002] Backlight adopts die-casting integrated design and the point gum fixing scheme of backlight and cover plate is applied more and more, with Narrow frame display screen more and more mainstream, the area of backlight point gum is also more and more narrow, the requirement of point gum process is also higher and higher, overflow problem gradually becomes the most headache problem of factory, the current conventional solution is to continuously adjust point gum parameter, to achieve the purpose of not overflow or less overflow, however, this method is not very stable, the frequency of abnormality is higher, once abnormality appears, it needs to adjust point gum equipment again, consume a lot of time, for this, we propose a kind of vehicle-mounted display backlight point gum groove. UTILITY MODEL CONTENTS

[0003] The utility model mainly provides a kind of vehicle-mounted display backlight point gum groove to solve the technical problem proposed in above background technique.

[0004] To achieve the above object, the following technical scheme is provided: a kind of vehicle-mounted display backlight point gum groove, including backlight die-casting and point gum groove, the point gum groove is set to the outside of backlight die-casting, the side of the backlight die-casting is provided with placement recess, the side of the backlight die-casting is provided with multiple assembly grooves, the outside of the backlight die-casting is fixed with two retaining walls, the retaining wall is located at the two sides of point gum groove, the retaining wall of inside is installed with multiple height limiting bosses on top;

[0005] The side of the point gum groove is provided with end position, the other side of the point gum groove is provided with start position, the start position is connected with end position by the groove body of point gum groove, and the start position and end position are located at the two sides of placement recess.

[0006] Further, the backlight die-casting, retaining wall and point gum groove are provided with multiple placement grooves, and the groove body of the placement groove of the backlight die-casting, retaining wall and point gum groove constitutes an iron frame groove.

[0007] Further, the groove body cross section shape of the iron frame groove is T-shaped.

[0008] Further, the width of the point gum groove is 1.4mm, and the depth of the point gum groove is 0.2mm.

[0009] Further, the cross section shape of the retaining wall is C-shaped.

[0010] Further, the side of the retaining wall close to point gum groove is provided with round angle, and the radius of the round angle is 0.5mm.

[0011] Compared with the prior art, the vehicle-mounted display backlight glue dispensing groove has the beneficial effects that

[0012] The utility model provides a kind of vehicle-mounted display backlight glue dispensing groove, glue dispensing groove is integrally die casting with backlight die casting, and glue dispensing groove is rectangular, it is convenient for the forming of groove body, the height of cover plate is limited by height limiting boss, the Z direction limiting of backlight film material is facilitated by the groove body installation of middle iron frame groove, foam rubber attachment and the support of FOG structure, the width of glue dispensing groove is 1.4mm, depth is 0.2mm can satisfy most frame design demand, the position of glue dispensing groove can be adjusted according to different structure design, and round corner is set on the side of retaining wall, which avoids scratching cover plate when installing cover plate, ensure the quality of cover plate, by the design of glue dispensing groove, it avoids needing repeatedly adjusting glue dispensing parameter, and glue is not easy to overflow, and it can be more stable when glue dispensing, improve work efficiency.

[0013] The utility model will be explained in detail in the following with the specific embodiment and the accompanying drawings. DRAWINGS

[0014] Figure 1 It is the overhead structure schematic diagram of the utility model as a whole;

[0015] Figure 2 It is the structure schematic diagram of the utility model as a whole;

[0016] Figure 3 It is Figure 1 Enlarged view in middle A;

[0017] Figure 4 It is Figure 2 Enlarged view in middle B.

[0018] In the drawing: 10, backlight die casting;11, assembly groove;12, middle iron frame groove;20, glue dispensing groove;21, starting position;22, end position;30, retaining wall;31, round corner;40, height limiting boss;50, placing recess. DETAILED DESCRIPTION

[0019] In order to facilitate understanding of the utility model, the utility model will be described more comprehensively below with reference to relevant drawings, and several embodiments of the utility model are given in the drawings, but the utility model can be realized by different forms, and is not limited to the embodiments described in the text, on the contrary, these embodiments are provided to make the disclosed content of the utility model more thorough and comprehensive.

[0020] Embodiment, please refer to Figures 1-4The application discloses a vehicle-mounted display backlight point gluing groove which comprises a backlight die casting 10 and a point gluing groove 20, wherein the point gluing groove 20 is arranged on the outer side of the backlight die casting 10, the backlight die casting 10 is provided with a placing groove 50 on one side, the backlight die casting 10 is provided with a plurality of assembly grooves 11 on one side, two retaining walls 30 are fixed on the outer side of the backlight die casting 10, the retaining walls 30 are arranged on the two sides of the point gluing groove 20, and a plurality of height limiting bosses 40 are arranged on the top of the retaining walls 30 on the inner side.

[0021] The point gluing groove 20 is provided with an ending position 22 on one side, the point gluing groove 20 is provided with a starting position 21 on the other side, the starting position 21 is communicated with the ending position 22 through the groove body of the point gluing groove 20, and the starting position 21 and the ending position 22 are arranged on the two sides of the placing groove 50.

[0022] It should be noted that, in the embodiment, the backlight die casting 10 is formed by die casting, the point gluing groove 20 is formed at the same time as the backlight die casting 10, the point gluing groove 20 is rectangular, the assembly groove 11 is convenient for assembly of a cover plate, the height limiting boss 40 is convenient for limiting the height of the cover plate, and the placing groove 50 is convenient for placing the cover plate, avoids contact between hands and the backlight die casting 10, and can avoid that a terminal or other components have no space for placement.

[0023] Further, when the point gluing groove 20 is tested, the point gluing is tested by using point PUR glue on a plurality of G+FOG+BLU models with a size of 14.6 inches and 15.6 inches, a process adopts 0.2MPa pressure for 1 minute, and the glue basically solidifies after pressure maintaining for 3 minutes after taking out. According to the detection result of PQC, the number of products with glue overflow is 0, the equipment adjustment time is saved by about 2 / 3, and the number of glue overflow abnormal events in the process is 0.

[0024] In the embodiment, please refer to Figure 3 The backlight die casting 10, the retaining wall 30 and the point gluing groove 20 are provided with a plurality of placing grooves, and the placing groove groove bodies of the backlight die casting 10, the retaining wall 30 and the point gluing groove 20 constitute a middle iron frame groove 12.

[0025] It should be noted that, in the embodiment, the groove body of the middle iron frame groove 12 is convenient for mounting a middle iron frame, limiting the Z direction of a backlight film material, attaching a foam glue and supporting a FOG structure.

[0026] In the embodiment, please refer to Figure 3 The groove body cross section shape of the middle iron frame groove 12 is T-shaped.

[0027] It should be noted that, in the embodiment, the groove body cross section shape of the middle iron frame groove 12 is T-shaped, which is convenient for limiting the position of the middle iron frame and avoiding shaking of the middle iron frame.

[0028] Embodiment, please refer to Figure 2 And Figure 4 The width of the glue dispensing groove 20 is 1.4mm, and the depth of the glue dispensing groove 20 is 0.2mm.

[0029] It should be noted that in the embodiment, the width of the glue dispensing groove 20 is 1.4mm and the depth is 0.2mm, which can meet the design requirements of most frames. The position of the glue dispensing groove 20 can be adjusted according to different structural designs.

[0030] Embodiment, please refer to Figures 1-2 The cross-sectional shape of the retaining wall 30 is C-shaped.

[0031] Embodiment, please refer to Figure 4 The side of the retaining wall 30 close to the glue dispensing groove 20 is provided with a round corner 31, and the radius of the round corner 31 is 0.5mm.

[0032] It should be noted that in the embodiment, the round corner 31 avoids scratching the cover plate when installing the cover plate, ensuring the quality of the cover plate.

[0033] The above-described embodiments only express the implementation of the present application, but for those skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application patent should be subject to the appended claims.

Claims

1. A vehicle display backlight dispensing groove, comprising a backlight die casting (10) and a dispensing groove (20), characterized in that: The point glue groove (20) is arranged on the outer side of the backlight die casting (10), the backlight die casting (10) is provided with a placing groove (50) on one side, the backlight die casting (10) is provided with a plurality of assembly grooves (11) on one side, the two side walls (30) are fixed on the outer side of the backlight die casting (10), the side walls (30) are located on both sides of the point glue groove (20), and a plurality of height limiting bosses (40) are arranged on the top of the inner side of the side walls (30). The point glue groove (20) is provided with an ending position (22) on one side, the point glue groove (20) is provided with a starting position (21) on the other side, the starting position (21) is communicated with the ending position (22) through the groove body of the point glue groove (20), and the starting position (21) and the ending position (22) are located on both sides of the placing groove (50).

2. The display backlight dispensing groove for vehicle according to claim 1, characterized in that: The backlight die casting (10), the side wall (30) and the point glue groove (20) are provided with a plurality of placing grooves, and the placing groove groove bodies of the backlight die casting (10), the side wall (30) and the point glue groove (20) constitute the middle iron frame groove (12).

3. The display backlight dispensing groove for vehicle according to claim 2, characterized in that: The groove body of the middle iron frame groove (12) is in a T-shaped cross section.

4. The display backlight dispensing groove for vehicle according to claim 1, characterized in that: The width of the point glue groove (20) is 1.4mm, and the depth of the point glue groove (20) is 0.2mm.

5. The display backlight dispensing groove for vehicle according to claim 4, characterized in that: The cross section of the side wall (30) is in a C-shaped cross section.

6. The display backlight dispensing groove for vehicle according to claim 1, characterized in that: The side of the side wall (30) close to the point glue groove (20) is provided with a round corner (31), and the radius of the round corner (31) is 0.5mm.