Light guide module capable of improving brightness and reducing cost

By using a fastening mechanism to clamp the light guide plate, backlight plate, and brightness enhancement plate, the problem of gaps in the light guide module affecting brightness is solved, achieving the effects of increased brightness and reduced cost.

CN223955837UActive Publication Date: 2026-02-27ALSACE ELECTRONIC TECH (YANCHENG) CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520764985.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-22
Publication Date
2026-02-27
Estimated Expiration
2035-04-22

AI Technical Summary

Technical Problem

Existing light guide modules have many gaps between materials, which affects light transmittance and brightness, and also result in high production costs.

Method used

A fastening mechanism is used to clamp and secure the light guide plate, backlight plate, and brightness enhancement plate with reinforcing strips and plates, reducing gaps and enhancing brightness. The transmission structure of threaded sleeves and threaded cylinders also reduces costs.

Benefits of technology

This effectively reduces the gaps in the light guide module, improves brightness, and lowers production costs.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223955837U_ABST
    Figure CN223955837U_ABST
Patent Text Reader

Abstract

The utility model belongs to the field of display, particularly relates to a light guide module capable of improving brightness and reducing cost, and provides the following scheme aiming at the problems of more gaps and influence on the brightness effect in the prior art: the light guide module comprises a light guide plate; the backlight plate is adhered to the bottom end of the light guide plate; the brightening plate is adhered to the top of the light guide plate; the reinforcing assembly comprises a heat dissipation frame, a threaded sleeve, a reinforcing plate, a threaded cylinder and a reinforcing strip, the bottom of the threaded sleeve and the top of the reinforcing plate are integrally machined, the threaded sleeve is inserted into a hole in the bottom of the heat dissipation frame, the top of the threaded cylinder and the bottom of the reinforcing strip are integrally machined, and the threaded cylinder is inserted into a hole in the top of the heat dissipation frame; through transmission of the structure, the reinforcing strip and the reinforcing plate can be driven to clamp and fasten the light guide plate, the backlight plate and the brightening plate, gaps among the light guide plate, the backlight plate and the brightening plate are reduced, gaps can be avoided, the brightness of the light guide module is enhanced, and the cost of the light guide module is reduced.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to display technical field especially relates to a light guide module that improves luminance and reduces cost. BACKGROUND

[0002] Display screen handle needs to use light guide module to ensure the display effect of display, and the Chinese patent file with the publication number CN209784580U discloses a light guide module.

[0003] But the above-mentioned technical scheme uses glue to bond between the multiple layers of materials, and due to production process and other reasons, there will still be a large number of gaps between the materials, which will affect the light transmittance of the light guide module. UTILITY MODEL CONTENT

[0004] The utility model discloses a light guide module that improves luminance and reduces cost to solve the defects of more gaps and affecting light effect in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A light guide module that improves luminance and reduces cost, comprising

[0007] Light guide plate

[0008] Backlight plate, the bottom end of the light guide plate is bonded to the backlight plate

[0009] Brightness enhancement plate, the top of the light guide plate is bonded to the brightness enhancement plate

[0010] Strengthening assembly, the strengthening assembly comprises a heat dissipation frame, a threaded sleeve, a reinforcing plate, a threaded cylinder and a reinforcing strip, the bottom of the threaded sleeve is integrally processed with the top of the reinforcing plate, the threaded sleeve is inserted into the hole at the bottom of the heat dissipation frame, the top of the threaded cylinder is integrally processed with the bottom of the reinforcing strip, the threaded cylinder is inserted into the hole at the top of the heat dissipation frame, the reinforcing plate is located at the bottom of the backlight plate, and the reinforcing strip is located in the groove at the right side of the top of the brightness enhancement plate

[0011] Backlight strip, the cavity at the left side of the heat dissipation frame is bonded to the backlight strip

[0012] Fastening mechanism, the threaded cylinder and the threaded sleeve are connected with the fastening mechanism, the reinforcing strip and the reinforcing plate can be clamped and fastened to the light guide plate, the backlight plate and the brightness enhancement plate through the transmission of the structure, the gaps between the light guide plate, the backlight plate and the brightness enhancement plate are reduced, the gaps can be avoided, the luminance of the light guide module is enhanced, and the cost of the light guide module is reduced.

[0013] As a preferred scheme of the utility model, the fastening mechanism comprises a rotating rod, a large bevel gear, a small bevel gear and a double-threaded screw rod, the left end of the rotating rod is connected with the shaft center of the large bevel gear through a key, the teeth of the large bevel gear are engaged with the teeth of the small bevel gear, the shaft center of the small bevel gear is connected with the surface of the double-threaded screw rod through a key, the top end of the surface of the double-threaded screw rod is connected with the screw hole of the threaded cylinder through a thread, the bottom end of the surface of the double-threaded screw rod is connected with the screw hole of the threaded sleeve through a thread, the rotating rod can drive the large bevel gear to rotate, the large bevel gear can drive the small bevel gear to rotate, the small bevel gear can drive the double-threaded screw rod to rotate, the double-threaded screw rod can drive the threaded cylinder to move downwards, and the double-threaded screw rod can drive the threaded sleeve to move upwards.

[0014] As a preferred scheme of the utility model, the right end of the rotating rod is provided with a cross groove, the surface of the rotating rod is rotatably sleeved with a support, the top end and the bottom end of the support are bolted with the right side of the heat dissipation frame, the cross groove of the rotating rod corresponds to the screwdriver, the cross groove is convenient for driving the rotating rod to rotate, the rotating rod is rotatably arranged with the support through a bearing, and the stability of the rotating rod is guaranteed.

[0015] As a preferred scheme of the utility model, the top end and the bottom end of the surface of the double-threaded screw rod are rotatably sleeved with the notches on the right side of the heat dissipation frame, the thread directions of the top end and the bottom end of the double-threaded screw rod are opposite, the double-threaded screw rod is rotatably arranged with the heat dissipation frame through a bearing, the stability of the double-threaded screw rod is guaranteed, and the double-threaded screw rod is convenient for driving the structure transmission.

[0016] As a preferred scheme of the utility model, the top and the bottom of the heat dissipation frame are bonded with insulating pads, the reinforcing plates and the reinforcing strips are in contact with the insulating pads, the insulating pads can buffer the reinforcing plates and the reinforcing strips, and the reinforcing plates and the reinforcing strips are conveniently clamped and fixed.

[0017] As a preferred scheme of the utility model, the left side of the backlight strip corresponds to the right side of the light guide plate, the right sides of the light guide plate, the backlight plate and the brightening plate are bonded with the left side of the heat dissipation frame, the heat dissipation frame is fixed by the light guide plate, the backlight plate and the brightening plate, and the backlight strip is used for providing brightness.

[0018] Advantages:

[0019] 1. The fastening mechanism can drive the threaded cylinder and the threaded sleeve to move, the threaded cylinder can drive the reinforcing strips, the threaded sleeve can drive the reinforcing plates to move, and the reinforcing strips and the reinforcing plates can fasten the light guide plate, the backlight plate and the brightening plate;

[0020] 2. The rotating rod can drive the large bevel gear to rotate, the large bevel gear can drive the small bevel gear to rotate, the small bevel gear can drive the double-threaded screw rod to rotate, and the double-threaded screw rod can drive the threaded cylinder and the threaded sleeve to move;

[0021] The utility model discloses: through the transmission of structure can drive the strengthening strip and the strengthening plate to the light guide plate, the back light board and the brightening plate are clamped and fastened, reduce the gap between light guide plate, back light board and brightening plate, can avoid the gap generation, enhance the brightness of light guide module, reduce the cost of light guide module. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the front view of the utility model;

[0023] Figure 2 It is the fastening mechanism diagram of the utility model;

[0024] Figure 3 It is the right view of the utility model's rotary rod;

[0025] Figure 4 It is the perspective view of the utility model.

[0026] In the drawing: 1, light guide plate;2, back light board;3, brightening plate;4, heat dissipation frame;5, threaded sleeve;6, reinforcing plate;7, threaded cylinder;8, reinforcing strip;9, back light bar;10, rotary rod;11, big bevel gear;12, small bevel gear;13, double thread screw;14, support;15, insulating pad. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0028] Embodiment one

[0029] Reference Figures 1-4 A light guide module that improves brightness and reduces cost, comprising

[0030] Light guide plate 1;

[0031] Back light board 2, the back light board 2 is bonded to the bottom end of light guide plate 1;

[0032] Brightening plate 3, the brightening plate 3 is bonded to the top of light guide plate 1;

[0033] Strengthening assembly, the strengthening assembly includes heat dissipation frame 4, threaded sleeve 5, reinforcing plate 6, threaded cylinder 7 and reinforcing strip 8, the bottom of threaded sleeve 5 and the top of reinforcing plate 6 are integrally processed, threaded sleeve 5 is inserted in the hole of heat dissipation frame 4 bottom, the top of threaded cylinder 7 and the bottom of reinforcing strip 8 are integrally processed, threaded cylinder 7 is inserted in the hole of heat dissipation frame 4 top, reinforcing plate 6 is located at the bottom of back light board 2, and reinforcing strip 8 is located at the recess on the right side of the top of brightening plate 3;

[0034] Back light bar 9, the back light bar 9 is bonded to the cavity of the left side of heat dissipation frame 4.

[0035] The fastening mechanism, the threaded cylinder 7 and the threaded sleeve 5 are connected with the fastening mechanism.

[0036] Through the above structure: the structure can drive the reinforcing strip 8 and the reinforcing plate 6 to clamp and fasten the light guide plate 1, the backlight plate 2 and the brightening plate 3, reduce the gap between the light guide plate 1, the backlight plate 2 and the brightening plate 3, avoid the gap, enhance the brightness of the light guide module, and reduce the cost of the light guide module.

[0037] Please refer to Figure 2 The fastening mechanism includes a rotating rod 10, a large bevel gear 11, a small bevel gear 12 and a double-thread screw rod 13. The left end of the rotating rod 10 is connected with the shaft of the large bevel gear 11, the teeth of the large bevel gear 11 are engaged with the teeth of the small bevel gear 12, the shaft of the small bevel gear 12 is connected with the surface of the double-thread screw rod 13, the top end of the surface of the double-thread screw rod 13 is connected with the screw hole of the threaded cylinder 7, the bottom end of the surface of the double-thread screw rod 13 is connected with the screw hole of the threaded sleeve 5, the rotating rod 10 can drive the large bevel gear 11 to rotate, the large bevel gear 11 can drive the small bevel gear 12 to rotate, the small bevel gear 12 can drive the double-thread screw rod 13 to rotate, the double-thread screw rod 13 can drive the threaded cylinder 7 to move downward, and the double-thread screw rod 13 can drive the threaded sleeve 5 to move upward.

[0038] Please refer to Figure 2 The right end of the rotating rod 10 is provided with a cross groove, the surface of the rotating rod 10 is rotatably sleeved with a support 14, the top end and the bottom end of the support 14 are bolted with the right side of the heat dissipation frame 4, the cross groove of the rotating rod 10 corresponds to the screwdriver, which is convenient for driving the rotating rod 10 to rotate through the cross groove, and the rotating rod 10 is rotatably arranged with the support 14, which ensures the stability of the rotation of the rotating rod 10.

[0039] Please refer to Figure 1 The top end and the bottom end of the surface of the double-thread screw rod 13 are rotatably sleeved with the notches on the right side of the heat dissipation frame 4, the threads of the top end and the bottom end of the double-thread screw rod 13 are opposite, the double-thread screw rod 13 is rotatably arranged with the heat dissipation frame 4 through a bearing, which ensures the stability of the rotation of the double-thread screw rod 13 and is convenient for the double-thread screw rod 13 to drive the structure to rotate.

[0040] Please refer to Figure 1 The top and bottom of the heat dissipation frame 4 are adhered with insulating pads 15, the reinforcing plate 6 and the reinforcing strip 8 are in contact with the insulating pads 15, the insulating pads 15 can buffer the reinforcing plate 6 and the reinforcing strip 8, and the reinforcing plate 6 and the reinforcing strip 8 are conveniently clamped and fixed.

[0041] Please refer to Figure 1The left side of the backlight strip 9 corresponds to the right side of the light guide plate 1, the right sides of the light guide plate 1, the backlight plate 2 and the brightening plate 3 are adhered to the left side of the heat dissipation frame 4, the heat dissipation frame 4 is fixed by the light guide plate 1, the backlight plate 2 and the brightening plate 3, and the backlight strip 9 is used for providing brightness.

[0042] Embodiment two

[0043] The difference between the embodiment and the embodiment one is that the rotating rod 10, the large bevel gear 11, the small bevel gear 12 and the double-threaded screw rod 13 are replaced by a micro telescopic rod, the micro telescopic rod can drive the threaded sleeve 5 and the threaded cylinder 7 to move, but the micro telescopic rod has high use cost and maintenance cost, therefore, the rotating rod 10, the large bevel gear 11, the small bevel gear 12 and the double-threaded screw rod 13 are preferred.

[0044] It should be noted that: specific use of which model of backlight strip 9, the person skilled in the relevant technical personnel selects by himself, and the above about backlight strip 9 belongs to the prior art, and the scheme is not described in detail.

[0045] The operation steps of the utility model are as follows: the light guide plate 1 and the brightening plate 3 can adopt polyester carbonic acid PC or polyethylene terephthalate PET, the rotating rod 10 can drive the large bevel gear 11 to rotate, the large bevel gear 11 can drive the small bevel gear 12 to rotate, the small bevel gear 12 can drive the double-threaded screw rod 13 to rotate, the double-threaded screw rod 13 can drive the threaded cylinder 7 to move downwards, the threaded cylinder 7 can drive the reinforcing strip 8 to move downwards, the double-threaded screw rod 13 can drive the threaded sleeve 5 to move upwards, the threaded sleeve 5 can drive the reinforcing plate 6 to move upwards, the reinforcing strip 8 and the reinforcing plate 6 can fasten the light guide plate 1, the backlight plate 2 and the brightening plate 3, reduce the gap between the light guide plate 1, the backlight plate 2 and the brightening plate 3, can avoid the gap to produce, enhance the brightness of the light guide module, reduce the cost of the light guide module.

[0046] The above is only the preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any person skilled in the art in the technical range disclosed by the utility model can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A light guide module with reduced cost of brightness improvement, characterized in that, The utility model relates to a light guide plate (1); Backlight plate (2), backlight plate (2) is bonded to the bottom end of light guide plate (1); Brightness enhancement plate (3), brightness enhancement plate (3) is bonded to the top of light guide plate (1); Strengthening assembly, strengthening assembly includes heat dissipation frame (4), threaded sleeve (5), reinforcing plate (6), threaded cylinder (7) and reinforcing strip (8), the bottom of threaded sleeve (5) is integrally processed with the top of reinforcing plate (6), threaded sleeve (5) is inserted in the hole in the bottom of heat dissipation frame (4), the top of threaded cylinder (7) is integrally processed with the bottom of reinforcing strip (8), threaded cylinder (7) is inserted in the hole in the top of heat dissipation frame (4), reinforcing plate (6) is located at the bottom of backlight plate (2), reinforcing strip (8) is located at the recess in the top right side of brightness enhancement plate (3); Backlight strip (9), backlight strip (9) is bonded to the cavity in the left side of heat dissipation frame (4); Fastening mechanism, threaded cylinder (7) and threaded sleeve (5) are connected with fastening mechanism. The fastening mechanism includes a rotating rod (10), a large bevel gear (11), a small bevel gear (12) and a double-threaded screw rod (13), the left end of the rotating rod (10) is key connected with the axis of the large bevel gear (11), the teeth of the large bevel gear (11) are engaged with the teeth of the small bevel gear (12), the axis of the small bevel gear (12) is key connected with the surface of the double-threaded screw rod (13), the top end of the surface of the double-threaded screw rod (13) is threadedly connected with the screw hole of the threaded cylinder (7), and the bottom end of the surface of the double-threaded screw rod (13) is threadedly connected with the screw hole of the threaded sleeve (5).

2. The light guide module of claim 1, wherein the light guide module is configured to reduce the cost of increasing the brightness. The right end of the rotating rod (10) is provided with a cross groove, and a support (14) is rotatably sleeved on the surface of the rotating rod (10), and the top end and the bottom end of the support (14) are bolted to the right side of the heat dissipation frame (4).

3. The light guide module of claim 2, wherein the light guide module is configured to reduce the cost of increasing the brightness. The top end and the bottom end of the surface of the double-threaded screw rod (13) are rotatably sleeved with notches in the right side of the heat dissipation frame (4), and the thread directions of the top end and the bottom end of the double-threaded screw rod (13) are opposite.

4. The light guide module of claim 2, wherein the light guide module is configured to reduce the cost of increasing the brightness. The top and the bottom of the heat dissipation frame (4) are bonded with insulating pads (15), and the reinforcing plate (6) and the reinforcing strip (8) are in contact with the insulating pads (15).

5. The light guide module of claim 1, wherein the light guide module is configured to reduce the cost of increasing the brightness. The left side of the backlight strip (9) corresponds to the right side of the light guide plate (1), and the right sides of the light guide plate (1), the backlight plate (2) and the brightness enhancement plate (3) are bonded with the left side of the heat dissipation frame (4).

6. The light guide module of claim 1, wherein the light guide module is configured to reduce the cost of increasing the brightness. ​

Citation Information

Patent Citations

  • Light guide module

    CN209784580U