Light guide plate with heat dissipation structure on edge

Abstract

The utility model discloses a light guide plate with a heat dissipation structure at the edge, which relates to the technical field of light guide plates and comprises a heat absorption plate and a heat dissipation plate, a light guide groove is arranged at the light guide edge at the lower end of the light guide plate, the heat absorption plate is fixed on the outer side wall of the light guide plate, and then the heat dissipation plate is arranged, so that heat close to one side of a light source is effectively absorbed and dissipated; the horn-shaped heat dissipation grooves are formed in the outer side of the heat dissipation plate, the contact area with air is increased, and the heat dissipation efficiency is improved; the edge hardness and rigidity of the light guide plate are enhanced through the raised line design, the light scattering phenomenon is reduced and the light uniformity is improved through the first reflecting film and the second reflecting film respectively, and light is prevented from being scattered between the heat absorption plate and the light guide plate through the light isolation film.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of light guide plate, specifically to a light guide plate with heat dissipation structure on the edge. BACKGROUND

[0002] With the continuous development of display technology, as a key component in display devices such as liquid crystal displays, the optimization of the performance of light guide plates is crucial for improving display quality. Traditional light guide plate design mainly focuses on how to efficiently convert point light sources or linear light sources into area light sources and ensure uniform distribution of light across the screen.

[0003] However, in practical applications, the edges of light guide plates often face problems such as edge cracking and yellowing caused by heat accumulation, which not only affects the visual effect of display devices, but also shortens their service life.

[0004] In summary, the light guide plate with heat dissipation structure on the edge is a solution to the problems of poor heat dissipation effect and complex structure of existing light guide plates. UTILITY MODEL CONTENT

[0005] To address the shortcomings of the prior art, the utility model provides a light guide plate with heat dissipation structure on the edge, which solves the problems raised in the background technology.

[0006] To achieve the above purpose, the utility model realizes the following technical scheme: a light guide plate with heat dissipation structure on the edge, comprising a light guide plate body, a light guide groove is opened at the lower end edge of the light guide plate body, a heat absorbing plate is fixed to the outer side wall of the light guide groove at the lower end of the light guide plate body, a heat dissipation plate is provided on the outer side of the heat absorbing plate, the heat absorbing plate absorbs heat from the edge of the light guide plate body near the light source, and the heat is dissipated through the heat dissipation plate.

[0007] Further, the upper and lower ends of the heat dissipation plate are fixed with a fixed rim, a fixed groove is opened on the fixed rim, a fixed bolt is provided on the outer side of the upper and lower ends of the heat absorbing plate, the fixed groove and the fixed bolt are arranged in position correspondence, and the heat dissipation plate and the heat absorbing plate are tightly attached by the fixed bolt.

[0008] Further, a plurality of heat dissipation grooves are opened on the outer side of the heat dissipation plate, the heat dissipation grooves are arranged with equal spacing, and the heat dissipation grooves are opened in a horn shape.

[0009] Further, a convex strip is fixed above the heat absorbing plates on both sides of the lower end of the light guide plate body, the convex strip divides the lower end edge of the light guide plate body, and improves the hardness and rigidity of the edge of the light guide plate body.

[0010] Further, first reflective films are fixed on both sides of the inner wall of the light guide groove, the first reflective films reduce the light scattering phenomenon of the emission site of the light source, and improve the light collection effect of the light source.

[0011] Further: the light-absorbing plate and the light guide plate body are bonded with a light isolation film, avoiding light from escaping between the light-absorbing plate and the light guide plate body, and improving the light source emission efficiency inside the light guide plate body.

[0012] Further: a diffusion film is pasted on the light-emitting side of the light guide plate body to uniformly diffuse the imported light source, and a second reflective film is pasted on the backlight side of the light guide plate body to fully reflect the light source, further improving the uniform light emission of the light guide plate body.

[0013] With respect to the above background technology, the light guide plate with the edge having the heat dissipation structure provided by the present application comprises a light guide plate which is very mature in the art, and a heat-absorbing plate and a heat-dissipating plate as core components, and the principle relies on fixing the heat-absorbing plate and the heat-dissipating plate at one end of the light guide plate body receiving the light source to absorb heat and avoid cracking and yellowing of the edge of the light guide plate body.

[0014] The utility model provides a light guide plate with the edge having the heat dissipation structure.

[0015] The light guide plate with the edge having the heat dissipation structure; the heat-absorbing plate and the heat-dissipating plate absorb and dissipate the heat of one end of the light guide plate body edge receiving the light source, thereby avoiding cracking and yellowing of the edge of the light guide plate body, effectively prolonging the service life and light guide efficiency of the light guide plate body; at the same time, the convex strip, the first reflective film, the second reflective film and the light isolation film and other designs further improve the structural stability and light utilization rate of the light guide plate, so that the display device is significantly improved in visual effect and performance. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structure schematic view of the utility model;

[0017] Figure 2 It is the structure schematic view of the light guide plate body and the diffusion film of the utility model;

[0018] Figure 3 It is Figure 2 It is the structure schematic view of the enlarged structure in A;

[0019] Figure 4 It is Figure 2 It is the structure schematic view of the enlarged structure in B.

[0020] In the figure: 1, light guide plate body; 2, light guide groove; 3, convex strip; 4, light isolation film; 5, heat-absorbing plate; 6, fixed bolt; 7, heat-dissipating plate; 8, fixed edge; 9, heat dissipation groove; 10, fixed groove; 11, first reflective film; 12, diffusion film; 13, second reflective film. DETAILED DESCRIPTION

[0021] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of the utility model protection.

[0022] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a light guide plate with edge heat dissipation structure, light guide groove 2 is set in the lower end light guide edge of light guide plate body 1, heat absorption plate 5 is fixed on the outer side wall of light guide groove 2 at the lower end of light guide plate body 1, fixed bolt 6 is fixed on the outer side upper and lower end of heat absorption plate 5, fixed bolt 6 is equidistantly arranged, heat dissipation plate 7 is arranged on the outer side end of heat absorption plate 5, heat absorption plate 5 absorbs the heat of the two sides of light guide plate body 1 close to light source, and is dissipated by heat dissipation plate 7, to further reduce the heat discharge of light guide plate body 1 close to light source, avoid the edge of light guide plate body 1 to crack and yellow, fixed rim 8 is fixed on the upper and lower end of heat dissipation plate 7, fixed groove 10 is set on fixed rim 8, and fixed groove 10 is correspondingly arranged with the position of fixed bolt 6, heat dissipation plate 7 is fixed on the outer side end of heat absorption plate 5 by fixed bolt 6, to further improve heat dissipation efficiency;

[0023] Diffusion film 12 is pasted on the light emitting side of light guide plate body 1, and the imported light source is uniformly diffused by diffusion film 12, second reflection film 13 is pasted on the backlight side of light guide plate body 1, and the light source is fully reflected by second reflection film 13, to further improve the uniform light emission of light guide plate body 1;

[0024] Heat dissipation groove 9 is set on the outer side end of heat dissipation plate 7, the number of heat dissipation groove 9 is multiple, and the interval is equal, heat dissipation groove 9 can increase the area of contact with air, to further achieve better heat dissipation effect, heat dissipation groove 9 is set in horn shape, to further improve heat dissipation efficiency;

[0025] Convex strip 3 is fixed above heat absorption plate 5 on the two sides of the lower end of light guide plate body 1, the lower end edge of light guide plate body 1 can be clearly demarcated by convex strip 3, to further be installed by the position of convex strip 3 when installing, improve the hardness and rigidity of the edge of light guide plate body 1, to avoid the edge of light guide plate body 1 to produce deformation when rotating fixed bolt 6;

[0026] First reflection film 11 is fixed on the inner wall of light guide groove 2, and the light scattering phenomenon of light source emitting part is reduced by first reflection film 11, to further improve the light receiving effect of light source, so that the internal light source of light guide plate body 1 is more fully received;

[0027] The light isolation film 4 is adhered between the heat absorption plate 5 and the light guide plate body 1, further avoiding light from escaping between the heat absorption plate 5 and the light guide plate body 1, and further improving light source emission inside the light guide plate body 1, so that the light source inside the light guide plate body 1 is more fully absorbed.

[0028] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed with a preferred embodiment, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content without departing from the technical solution of the present application, and any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present application still belong to the scope of the technical solution of the present application.

Claims

1. A light guide plate with edge having a heat dissipation structure, comprising a light guide plate body (1), characterized in that: The lower end edge of the light guide plate body (1) is provided with a light guide groove (2), and the outer side wall of the light guide groove (2) at the lower end of the light guide plate body (1) is fixed with a heat absorbing plate (5), and the outer side of the heat absorbing plate (5) is provided with a heat dissipation plate (7), the heat absorbing plate (5) absorbs the heat near the edge of the light guide plate body (1) on the side close to the light source, and dissipates heat through the heat dissipation plate (7).

2. The light guide plate with edge having heat radiation structure according to claim 1, wherein: The upper and lower ends of the heat dissipation plate (7) are fixed with a fixed edge (8), the fixed edge (8) is provided with a fixed groove (10), the outer side of the upper and lower ends of the heat absorbing plate (5) is provided with a fixed bolt (6), the fixed groove (10) and the fixed bolt (6) are correspondingly arranged, and the heat dissipation plate (7) and the heat absorbing plate (5) are tightly combined through the fixed bolt (6).

3. The light guide plate with edge having heat dissipation structure according to claim 2, characterized in that: The outer side end of the heat dissipation plate (7) is provided with a plurality of heat dissipation grooves (9), the heat dissipation grooves (9) are equally arranged, and the heat dissipation grooves (9) are provided in a horn shape.

4. The light guide plate with a heat dissipation structure at the edge according to claim 1, characterized in that: The upper side of the heat absorbing plate (5) on both sides of the lower end of the light guide plate body (1) is fixed with a convex strip (3), the lower end edge of the light guide plate body (1) is divided by the convex strip (3), and the hardness and rigidity of the edge of the light guide plate body (1) are improved.

5. The light guide plate with a heat dissipation structure at the edge according to claim 1, characterized in that: The inner wall of the light guide groove (2) is fixed with a first reflecting film (11) on both sides, the first reflecting film (11) reduces the light scattering phenomenon of the light source, and improves the light collecting effect of the light source.

6. The light guide plate with edge having heat radiation structure according to claim 1, wherein: the light guide plate is made of a material having a thermal conductivity of 0.5 W / mK or more. The heat absorbing plate (5) and the light guide plate body (1) are bonded with a light shielding film (4), so as to avoid light from escaping between the heat absorbing plate (5) and the light guide plate body (1), and improve the light source emission efficiency in the light guide plate body (1).

7. The light guide plate with edge having heat radiation structure according to claim 1, wherein: the light guide plate is made of a material having a thermal conductivity of 0.5 W / mK or more. The light guide plate body (1) is bonded with a diffusion film (12) on the light emitting side, the imported light source is uniformly diffused, and the light guide plate body (1) is bonded with a second reflecting film (13) on the backlight side, the light source is fully reflected, and the uniform light emission of the light guide plate body (1) is further improved.

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