CN207249161U - The backing structure and LED light of side entering type LED light - Google Patents

Abstract

The disclosure is directed to the backing structure and LED light of a kind of LED light.The backing structure of the LED light includes：Reflector plate；Light guide plate, is laid on the reflector plate；Brightening piece, is laid on the light guide plate；And diffusion sheet, it is laid on the brightening piece.The disclosure passes through in reflector plate, increase brightening piece on the basis of light guide plate and diffusion sheet, when a part of light is reached on reflector plate through light guide plate, this part light can be reflected back light guide plate by reflector plate, brightening piece is reached by light guide plate, angle after refraction can be more than input angle, reflected after brightening piece, after diffusion sheet being entered through the light after brightening piece, a part therein is directly projected from diffusion sheet, enter brightening piece after another part light reflection, by constantly reflection and refraction, light on lampshade just becomes more and more uniform, solve in the ultra-thin situation of cap part, uniformity of illuminance is difficult to meet AA grades of the problem of requiring.

Description

The backing structure and LED light of side entering type LED light

Technical field

This disclosure relates to lighting area, more particularly to the backing structure and LED lamps of a kind of side entering type LED light.

Background technology

Liquid crystal display has been the mainstream of flat display field.Since liquid crystal display does not shine in itself, therefore, it is necessary to Backlight source module provides enough brightness and the light source being evenly distributed, and can normally show image.In correlation technique, liquid crystal display The backlight of equipment is mainly LED (Light Emitting Diode；Light emitting diode).

For LED backlight, classify from back light source structure, generally there are two kinds of structures of straight-down negative and side-light type.Wherein, directly The shortcomings that following formula illumination mode is：In order to ensure the effect of uniform light extraction, it is necessary to ensure that lamp bead arrives the distance between lampshade, institute It is thicker with the thickness of lamp, do not meet the aesthetic conceptions of ultra-thin and ultra-light popular in recent years.The shortcomings that side-lighting type light-emitting mode is：Structure The number of plies is too many, and light is excessively concentrated, and central area illumination is high, and fringe region illumination is weak, and light loss is serious, therefore, the light of lamps and lanterns Effect is very low；Uniformity of illuminance is excessively poor, can cause dazzle；And in the market is only with reflecting piece, light guide plate and diffusion sheet three-layered node The lamps and lanterns of structure, lampshade light-emitting area have granular speck.

Utility model content

To overcome problem present in correlation technique, the disclosure provides a kind of backing structure and LED of side entering type LED light Lamp.

According to the first aspect of the embodiment of the present disclosure, there is provided a kind of backing structure of side entering type LED light, including：

Reflector plate；

Light guide plate, is laid on the reflector plate；

Brightening piece, is laid on the light guide plate；

Diffusion sheet, is laid on the brightening piece；And

Site, it is arranged in arrays on the light guide plate, and positioned at the light guide plate and the reflector plate and between.

According to the second aspect of the embodiment of the present disclosure, there is provided a kind of LED light, including：

The backing structure of above-mentioned side entering type LED light；And

Lamp bead, encloses arranged on the side of the light guide plate.

Alternatively, further include：Lampshade frame, encloses arranged on the outside of the lamp bead, the lamp bead and the lampshade frame it Between distance be less than preset value.

Alternatively, the lamp bead is posted by the lampshade frame.

Alternatively, further include：Lamp plate, between the lampshade frame and the lamp bead, the lamp bead arrangement is arranged on institute State on lamp plate.

Alternatively, further include：Driving chip, is electrically connected to the lamp bead.

Alternatively, further include：Power supply, is electrically connected to the driving chip.

Alternatively, the lamp bead is 3014 lamp beads.

The technical scheme provided by this disclosed embodiment can include the following benefits：

1) by increasing brightening piece on the basis of reflector plate, light guide plate and diffusion sheet, when a part of light passes through light guide plate Reach on reflector plate, this part light can be reflected back light guide plate by reflector plate, brightening piece be reached by light guide plate, after brightening piece Reflected, the angle after refraction can be more than input angle, after entering diffusion sheet through the light after brightening piece, one therein Divide and directly projected from diffusion sheet, brightening piece is entered after another part light reflection, then enters light guide plate from brightening piece, then arrives Up to reflector plate, above procedure is then repeated, since light is in the structure of the disclosure, by constantly reflection and refraction, lampshade On light just become more and more uniform so that in the ultra-thin situation of cap part, uniformity of illuminance can also meet AA grades will Ask.

2) lamp bead in the disclosure can select to encapsulate very small lamp bead, such as 3014 lamp beads, can cause whole lamp Header structure becomes very thin, meets the more and more thinner development trend of modern lighting fixtures；And the distance of lamp bead and lampshade frame can be with It is very near, for example lamp bead is posted by lampshade frame, so as to meet lampshade light-emitting area without lamp bead speck.

It should be appreciated that the general description and following detailed description of the above are only exemplary and explanatory, not The disclosure can be limited.

Brief description of the drawings

Attached drawing herein is merged in specification and forms the part of this specification, shows the implementation for meeting the disclosure Example, and be used to together with specification to explain the principle of the disclosure.

Fig. 1 is a kind of sectional side view of the backing structure of side entering type LED light according to an exemplary embodiment.

Fig. 2 is a kind of another sectional side view of the backing structure of side entering type LED light according to an exemplary embodiment.

Fig. 3 is a kind of sectional side view of LED light according to an exemplary embodiment.

Fig. 4 is that a kind of light of the backing structure of side entering type LED light according to an exemplary embodiment moves towards figure.

Embodiment

Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to During attached drawing, unless otherwise indicated, the same numbers in different attached drawings represent the same or similar key element.Following exemplary embodiment Described in embodiment do not represent all embodiments consistent with the disclosure.On the contrary, they be only with it is such as appended The example of the consistent apparatus and method of some aspects be described in detail in claims, the disclosure.

Fig. 1 is a kind of sectional side view of the backing structure of side entering type LED light according to an exemplary embodiment, such as Fig. 1 Shown, the backing structure 10 of the side entering type LED light includes reflector plate 11, light guide plate 12, brightening piece 13 and diffusion sheet 14.

As shown in Figure 1, the reflector plate 11 is placed in the bottom of whole backing structure 10, when light reaches the reflector plate During 11 upper surface, the light can reflect back up.I.e. described reflector plate 11 for can with the material of reflection light, such as The reflectance coating of reflection light can be scribbled in the upper surface of the reflector plate 11.The purposes of reflector plate 11 is from light guide plate The light reflection that 12 bottom surfaces are exposed is returned in light guide plate 12, low for improving the service efficiency of light.

With continued reference to Fig. 1, light guide plate 12 is laid with the reflector plate 11, i.e., is had in the reflector plate 11 anti- The top for penetrating face is equipped with the light guide plate 12.Light guide plate 12 can be the acrylic for the optical grade that line source is changed into area source Plate, since the acryl plates of optical grade have high reflectivity and the not characteristic of extinction, when a part of light passes through light guide plate 12 shady face is reached on reflector plate 11, this part light can be reflected back light guide plate 12 by reflector plate 11 so that be inhaled by light guide plate 12 The light of receipts can flee from the light guide plate 12 from the light-emitting surface of light guide plate 12.

As shown in Figure 1, brightening piece 13 is laid with the light guide plate 12, light-emitting surface of the part light from the light guide plate 12 After fleeing from the light guide plate 12, into the brightening piece 13, the brightening piece 13 can improve the front face brightness of this part light, And this part light is reflected after brightening piece 13, the angle after refraction can be more than input angle, play astigmatism Effect；And the brightening piece 13 in correlation technique in television set is to be used for optically focused.

With continued reference to Fig. 1, diffusion sheet 14 is laid with the brightening piece 13, part light is in brightening piece 13 by folding After penetrating, into the diffusion sheet 14, wherein some light projects diffusion sheet 14, and another part light reflection increases back up mating plate 13.

Next, moving towards to make an overall description in disclosure structure to light, Fig. 4 is refer to, Fig. 4 is according to one A kind of light of the backing structure of side entering type LED light shown in exemplary embodiment moves towards figure, in the side of the light guide plate 12 Light source is added, such as the lamp bead 21 in Fig. 4.As shown in figure 4, a part of light that the lamp bead 21 is sent reaches instead through light guide plate 12 Penetrate on piece 11, this part light can be reflected back light guide plate 12 by reflector plate 11, brightening piece 13 be reached by light guide plate 12, by adding lustre to Reflected after piece 13, the angle after refraction can be more than input angle, and diffusion sheet 14 is entered through the light after brightening piece 13 Afterwards, a part therein is directly projected from diffusion sheet 14 gets on lampshade, brightening piece 13 is entered after another part light reflection, so Enter light guide plate 12 from brightening piece 13 afterwards, then reach reflector plate 11, above procedure is then repeated, since light is in the disclosure In structure, by constantly reflection and refraction, the light on lampshade just becomes more and more uniform.

Alternatively, Fig. 2 is a kind of opposite side of the backing structure of side entering type LED light according to an exemplary embodiment Cut open figure, as shown in Fig. 2, the backing structure 10 of the side entering type LED light except include reflector plate 11, light guide plate 12, brightening piece 13 with And outside diffusion sheet 14, further include site 15.

As shown in Fig. 2, the site 15 is arranged on the light guide plate 12, and positioned at the light guide plate 12 and the reflection Piece 11 and between.The site 15 can be described with laser engraving, V-type cross grid engraving or UV screen printing technologies The light guiding points that the bottom surface of light guide plate 12 stamps.When the light that light source issues enters the light guide plate 12 and is mapped to each light guiding points When can reflect, reflected light can toward all angles spread.The site 15 can be arranged in arrays on the light guide plate 12；Also may be used To be various densitys, setting not of uniform size, and then make 12 uniformly light-emitting of light guide plate.

Fig. 4 is continued referring to, a part of light that the lamp bead 21 is sent is reached through light guide plate 12 on the site 15 of bottom, Because site 15 is to be uneven, light can further be broken up, then light is reflected back toward light guide plate 12 again, then enters again and adds lustre to Piece 13, in brightening piece 13 after superrefraction, into diffusion sheet 14, wherein some light projects diffusion sheet 14, a part of light Brightening piece 13 is reflected back, subsequently into light guide plate 12, reflector plate 11 is reached, then repeats above procedure, by constantly anti- Penetrate and reflect, the light on lampshade just becomes more and more uniformly, so that uniformity of illuminance can also meet AA grades of requirement.

Fig. 3 is a kind of sectional side view of LED light according to an exemplary embodiment.As shown in figure 3, the LED light 20 Backing structure 10 and lamp bead 21 including above-mentioned side entering type LED light.

As shown in figure 3, the lamp bead 21 is enclosed arranged on the side of the light guide plate 12 as light source.The lamp bead 21 can be selected Select and encapsulate very small lamp bead 21, such as 3014 lamp beads 21, whole holder structure can be caused to become very thin, meet modern lamp Has more and more thinner development trend.

As shown in figure 3, the LED light 20 further includes lampshade frame 23 and lampshade (not shown), the lampshade covers It is placed on the diffusion sheet 14.The lampshade frame 23 is enclosed arranged on the outside of the lamp bead 21, the lamp bead 21 and the lampshade side The distance between frame 23 is less than preset value, and the preset value can be 2mm, 1.5mm or 1mm etc..Alternatively, the lamp bead 21 It is posted by the lampshade frame 23.Since lamp bead 21 is very near apart from lampshade frame 23, and then one is not had on the lampshade Each and every one lamp bead speck.

Fig. 3 is continued referring to, the LED light 20 can also include lamp plate 22.The lamp plate 22 is arranged on the lampshade frame Between 23 and the lamp bead 21, the arrangement of lamp bead 21 is arranged on the lamp plate 22.

Alternatively, the LED light 20 can also include driving chip and power supply.The driving chip is electrically connected to the lamp Pearl 21, the power electric connection provide electric energy, the driving in the driving chip, the power supply for driving chip work Lamp bead 21 lights described in chip drives.

After the driving chip drives the lamp bead 21 to light, as shown in figure 4, a part of light that the lamp bead 21 is sent Reached through light guide plate 12 on reflector plate 11, this part light can be reflected back light guide plate 12 by reflector plate 11, be arrived by light guide plate 12 Up to brightening piece 13, reflected after brightening piece 13, the angle after refraction can be more than input angle, through after brightening piece 13 After light enters diffusion sheet 14, a part therein is directly projected from diffusion sheet 14 to be got on lampshade, another part light reflection Enter brightening piece 13 afterwards, then enter light guide plate 12 from brightening piece 13, then reach reflector plate 11, then repeat above mistake Journey；And another part light that the lamp bead 21 is sent is reached through light guide plate 12 on the site 15 of bottom, because site 15 is high Low injustice, can further break up light, and then light is reflected back toward light guide plate 12 again, subsequently into brightening piece 13, in brightening piece 13 It is interior that, into diffusion sheet 14, wherein some light projects diffusion sheet 14, and a part of light reflection increases back up mating plate 13 after superrefraction, Subsequently into light guide plate 12, reflector plate 11 is reached, then repeats above procedure, by constantly reflection and reflected, on lampshade Light just become more and more uniformly so that uniformity of illuminance can also meet AA grades of requirement.

Those skilled in the art will readily occur to other embodiment party of the disclosure after considering specification and putting into practice the disclosure Case.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or adaptability Change follows the general principle of the disclosure and including the undocumented common knowledge in the art of the disclosure or usual skill Art means.Description and embodiments are considered only as exemplary, and the true scope and spirit of the disclosure are by following claim Point out.

It should be appreciated that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by appended claim.

Claims (8)

1. A kind of 1. backing structure of side entering type LED light, it is characterised in that including：

   Reflector plate；

   Light guide plate, is laid on the reflector plate；

   One brightening piece, is laid on the light guide plate；

   Diffusion sheet, is laid on the brightening piece；And

   Site, it is arranged in arrays on the light guide plate, and positioned at the light guide plate and the reflector plate and between.
2. A kind of 2. LED light, it is characterised in that including：

   The backing structure of side entering type LED light described in claim 1；And

   Lamp bead, encloses arranged on the side of the light guide plate.
3. 3. LED light according to claim 2, it is characterised in that further include：

   Lampshade frame, encloses and is less than preset value arranged on the outside of the lamp bead, the distance between the lamp bead and the lampshade frame； And

   Lampshade, is covered in the diffusion sheet.
4. 4. LED light according to claim 3, it is characterised in that the lamp bead is posted by the lampshade frame.
5. 5. LED light according to claim 3, it is characterised in that further include：

   Lamp plate, between the lampshade frame and the lamp bead, the lamp bead arrangement is arranged on the lamp plate.
6. 6. LED light according to claim 2, it is characterised in that further include：

   Driving chip, is electrically connected to the lamp bead.
7. 7. LED light according to claim 6, it is characterised in that further include：

   Power supply, is electrically connected to the driving chip.
8. 8. LED light according to claim 2, it is characterised in that the lamp bead is 3014 lamp beads.