CN216248387U

CN216248387U - High-brightness ultra-thin light guide plate

Info

Publication number: CN216248387U
Application number: CN202122649219.2U
Authority: CN
Inventors: 杨燕
Original assignee: Sanjin Optoelectronic Suzhou Co ltd
Current assignee: Sanjin Optoelectronic Suzhou Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-04-08
Anticipated expiration: 2031-11-01

Abstract

The utility model discloses a high-brightness ultra-thin light guide plate, which comprises a light guide plate and an LED lamp plate arranged at one end of a light guide plate light guide source, wherein one end of the light guide plate close to the LED lamp plate is of an inclined surface structure which inclines downwards; set up the leaded light source one end of light guide plate into the inclined plane structure, set up the LED lamp plate into with the angle of placing of inclined plane structure adaptation, when light through the light guide plate, can all through inside the light guide plate, the extravagant phenomenon appears in the light that prevents that the LED lamp plate from sending to reach the demand of high brilliance, improved the usability of light guide plate, the requirement of its high grey level is guaranteed to the total reflection principle of rethread light.

Description

High-brightness ultra-thin light guide plate

Technical Field

The utility model relates to the field of light guide plates, in particular to a high-brightness ultra-thin light guide plate.

Background

With the progress of science and technology, liquid crystal displays (abbreviated as LCDs) have become mainstream; because the LCD does not emit light, a backlight module is needed to realize the display function of the LCD; in the backlight module, the light guide plate has a function of guiding light, and thus becomes the most important component of the backlight module, wherein the most important quality requirements are high luminance and uniformity.

The light guide plate has ingeniously utilized the total reflection principle of light, when light shines each leaded light point, the reverberation can be toward each angle diffusion, then destroy the reflection condition and openly jet out by the light guide plate, through various density, leaded light point that the size is different, can make the light guide plate uniform light emitting, and if the light guide plate thickness attenuation, the light that LED sent will have very big waste, thereby also can not reach the demand of high brilliance, the usability of light guide plate has been reduced, for this reason, we provide a high brilliance ultra-thin type light guide plate.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a high-brightness ultra-thin light guide plate, which solves the problems that the light guide plate is thinner and thinner in a backlight module and the high brightness and the uniformity of the light guide plate are ensured.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a high luminance ultra-thin type light guide plate, includes light guide plate and the LED lamp plate of setting in light guide plate leaded light source one end, the one end that the light guide plate is close to the LED lamp plate is the decurrent inclined plane structure of slope, the slope of LED lamp plate sets up the one end at the light guide plate, and the slope adaptation of inclined plane structure and LED lamp plate.

As a preferable technical scheme of the utility model, the inner included angle between the inclined plane structure and the horizontal plane is 30-60 degrees.

According to a preferable technical scheme of the utility model, two sides of the light guide plate are horizontally provided with a protection plate, and a shock absorption piece and an elastic block are fixedly connected between the protection plate and the upper end of the side wall of the light guide plate in a crossed manner.

As a preferred technical scheme of the utility model, the two sides of the lower end of the light guide plate are both provided with heat conducting plates, the two ends of the outer side of each heat conducting plate are fixedly connected with the protection plates, and one end part of each protection plate close to the heat conducting plate is a heat dissipation area.

As a preferred technical scheme of the utility model, the heat dissipation area is a heat dissipation hole which penetrates through the surface of the protective plate at equal intervals.

As a preferred technical scheme of the utility model, the upper end side and the lower end side of the protection plate are fixedly connected with protection pads, and one end of each protection pad is fixedly connected with the side wall of the light guide plate.

As a preferable technical scheme of the utility model, the elastic block, the protection block and the protection pad are made of the same material and are all made of elastic rubber.

As a preferable technical scheme of the utility model, the damping piece comprises a damping spring and a telescopic rod penetrating through the damping spring.

Compared with the prior art, the utility model can achieve the following beneficial effects:

1. one end of a light guide source of the light guide plate is arranged to be an inclined plane structure, the LED lamp panel is arranged to be a placing angle matched with the inclined plane structure, when light passes through the light guide plate, the light can completely pass through the inside of the light guide plate, and the phenomenon that light emitted by the LED lamp panel is wasted is prevented, so that the requirement of high brightness is met, the usability of the light guide plate is improved, and the requirement of high gray level is met through the total reflection principle of the light;

2. through the cooperation use of elastic block, buffer member and guard plate, cushion the power of vibrations or collision that the light guide plate received, prevent when transporting or carrying it, because of external factors, cause the damage to it, improve the working property of light guide plate.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side view of the light guide plate and the LED lamp panel of the present invention;

FIG. 3 is an enlarged view of a portion a of FIG. 1;

wherein: 1. a light guide plate; 2. an LED lamp panel; 3. a heat conducting plate; 4. a protection plate; 5. a shock absorbing member; 501. a damping spring; 502. a telescopic rod; 6. an elastic block; 7. a protection block; 8. a protective pad; 9. a heat dissipation area; 10. the inclined plane structure.

Detailed Description

The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 2, the present invention provides a high-luminance ultra-thin light guide plate, which includes a light guide plate 1 and an LED lamp panel 2 disposed at one end of a light guide source of the light guide plate 1, wherein one end of the light guide plate 1 close to the LED lamp panel 2 is an inclined plane structure 10 inclined downward, an inner included angle between the inclined plane structure 10 and a horizontal plane is 30 degrees to 60 degrees, the LED lamp panel 2 is obliquely disposed at one end of the light guide plate 1, and the inclined plane structure 10 is adapted to an inclined slope of the LED lamp panel 2;

when the thinning of 1 thickness of light guide plate, LED lamp plate 2 structure is unchangeable, the stability of light source has been guaranteed like this, set up the leaded light source one end of light guide plate 1 into inclined plane structure 10, set up LED lamp plate 2 into the angle of placing with inclined plane structure 10 adaptation, when light is through light guide plate 1, can all pass through inside light guide plate 1, the extravagant phenomenon appears in the light that prevents that LED lamp plate 2 to send, thereby reach the demand of high brilliance, the usability of light guide plate 1 has been improved, the total reflection principle of rethread light, guarantee the requirement of its high grey level.

As shown in fig. 1 and fig. 3, in the embodiment, two sides of the light guide plate 1 are horizontally provided with protection plates 4, the upper and lower end sides of each protection plate 4 are fixedly connected with a protection pad 8, one end of each protection pad 8 is fixedly connected with the side wall of the light guide plate 1, a cross-shaped space is formed between each protection plate 4 and the upper end of the side wall of the light guide plate 1 and is fixedly connected with a shock absorbing member 5 and an elastic block 6, each shock absorbing member 5 comprises a shock absorbing spring 501 and a telescopic rod 502 penetrating through the shock absorbing spring 501, and the elastic block 6 and the protection pad 8 are made of the same material and are made of an elastic rubber material;

through the cooperation use of elastic block 6, buffer 5 and guard plate 4, cushion the power of vibrations or collision that light guide plate 1 received, prevent when transporting or carrying it, because of external factors, cause the damage to it, improve light guide plate 1's working property.

As shown in fig. 1, in the embodiment, heat conducting plates 3 are mounted on two sides of the lower end of a light conducting plate 1, protective blocks 7 are fixedly connected between two ends of the outer side of each heat conducting plate 3 and a protective plate 4, each protective block 7 is an elastic rubber block, a heat dissipation area 9 is arranged at one end of each protective plate 4 close to the heat conducting plate 3, and each heat dissipation area 9 is a heat dissipation hole which penetrates through the surface of the corresponding protective plate 4 at equal intervals and plays a role of passing through the heat conducting plate 3;

through the use of heat-conducting plate 3, derive the heat of the tip of light guide plate 1 light guide source with 2 during operation of LED lamp plate, then cooperate the use of radiating area 9, increase the rate of heat dissipation of the 3 components of a whole that can function independently of heat-conducting plate, and cooperate the use of protection piece 7, play the effect of protection to heat-conducting plate 3, increase the area of contact of heat-conducting plate 3 and air simultaneously.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high luminance ultra-thin type light guide plate, includes light guide plate (1) and sets up LED lamp plate (2) in light guide plate (1) leaded light source one end, its characterized in that: the one end that light guide plate (1) is close to LED lamp plate (2) is slope decurrent inclined plane structure (10), the slope of LED lamp plate (2) sets up the one end at light guide plate (1), and the slope adaptation of inclined plane structure (10) and LED lamp plate (2).

2. The light guide plate of claim 1, wherein: the inner included angle between the inclined plane structure (10) and the horizontal plane is 30-60 degrees.

3. The light guide plate of claim 1, wherein: the equal level in both sides of light guide plate (1) is provided with guard plate (4), it has shock attenuation piece (5) and elastic block (6) to be the cross rigid coupling between the upper end of guard plate (4) and light guide plate (1) lateral wall.

4. A high brightness ultra-thin light guide plate according to claim 3, wherein: heat-conducting plate (3) are all installed to light guide plate (1) lower extreme both sides, equal rigid coupling has protection piece (7) between heat-conducting plate (3) outside both ends and guard plate (4), and a tip that guard plate (4) are close to heat-conducting plate (3) is heat dissipation area (9).

5. The light guide plate of claim 4, wherein: the heat dissipation area (9) is a heat dissipation hole which penetrates through the surface of the protection plate (4) at equal intervals.

6. The light guide plate of claim 4, wherein: the upper end and the lower end of the protection plate (4) are fixedly connected with protection pads (8), and one ends of the protection pads (8) are fixedly connected with the side wall of the light guide plate (1).

7. The light guide plate of claim 6, wherein: the elastic block (6), the protection block (7) and the protection pad (8) are made of the same material and are made of elastic rubber.

8. The light guide plate of claim 4, wherein: the shock absorption piece (5) comprises a shock absorption spring (501) and a telescopic rod (502) penetrating through the shock absorption spring.