CN207067600U - Reflector plate, backlight module and display device - Google Patents

Abstract

The utility model provides a kind of reflector plate, the backlight module using the reflector plate and the display device using the backlight module.The reflector plate includes the first hyaline layer, reflecting layer and the second hyaline layer being cascading, also include the diffusion layer being coated on the first hyaline layer, diffusion layer includes some not of uniform size and is used for the diffusion particle for changing light diffusion angle, and some diffusion particles are laid on the first hyaline layer.Reflector plate provided by the utility model, the light after reflection can further be reflected diffusion, make the light extraction of backlight module evenly.

Description

Reflector plate, backlight module and display device

Technical field

The utility model belongs to display device technology field, is to be related to a kind of reflector plate, using the reflection more specifically The backlight module of piece and the display device using the backlight module.

Background technology

Existing display device such as display, LCD TV etc., the backlight module set in it are the cores of display device Part, reflector plate is used in miscellaneous backlight module, for reflecting the light that light source is sent, the light for sending light source Line is all emitted from the backboard of display device, reduces the loss of light.But current reflector plate can only reflection light, work( Can be single, the slight deformation of reflector plate or backboard often causes the light extraction of reflector plate uneven.

Utility model content

The purpose of this utility model is to provide a kind of reflector plate, to solve reflector plate function list present in prior art One technical problem.

To achieve the above object, the technical solution adopted in the utility model is：A kind of reflector plate is provided, including stacked gradually The first hyaline layer, reflecting layer and the second hyaline layer set, in addition to the diffusion layer being coated on first hyaline layer, it is described Diffusion layer includes some not of uniform size and is used for the diffusion particle for changing light diffusion angle, and some diffusion particles are layed in On first hyaline layer.

Further, the particle size scope of the diffusion particle is 10 μm to 50 μm.

Further, the diffusion particle is organic silicon particle, polyethylene particles, makrolon particle, polymethyl Sour methyl esters particle, polystyrene particle, one kind in polypropylene particles or at least two combination.

Further, the inside of the white reflecting layer has the airport that several are used for reflection light.

Further, the airport is set in ball-type, spheroid shape, wafer type.

Further, first hyaline layer and second hyaline layer are polyethylene terephthalate layer, gathered One kind in basis, polyethylene layer, polystyrene layer.

Further, the thickness range of the white reflecting layer is 50 μm to 100 μm.

Further, its thickness range is 0.16mm to 0.35mm.

The beneficial effect of reflector plate provided by the utility model is：The utility model reflector plate is saturating including being coated on first Diffusion layer on bright layer, diffusion layer include some not of uniform size and are used for the diffusion particle for changing light diffusion angle, light warp After crossing the reflection in reflecting layer, then the shooting angle of light is changed after the refraction of diffusion particle, the reflector plate will can both enter Light reflection is penetrated, the light after reflection can be diffused again again, there is reflected light and the diffusion double function of light, and even if reflecting plate Or backboard slight deformation, the light extraction of the reflecting plate are still uniform.

The utility model also provides a kind of backlight module, including above-mentioned reflector plate, can make backlight mould using the reflector plate The light extraction of group evenly, and can reduce the quantity of diffusion sheet in backlight module, save production cost.

The utility model also provides a kind of display device, including above-mentioned backlight module, using above-mentioned backlight module, shows Show panel uniform in light emission, display effect is preferable, while can reduce the usage quantity of diffusion sheet, saves production cost.

Brief description of the drawings

, below will be to embodiment or prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model The required accompanying drawing used is briefly described in description, it should be apparent that, drawings in the following description are only that this practicality is new Some embodiments of type, for those of ordinary skill in the art, without having to pay creative labor, can be with Other accompanying drawings are obtained according to these accompanying drawings.

Fig. 1 is the sectional structure chart for the reflector plate that the utility model embodiment provides；

Fig. 2 is the configuration schematic diagram two for the reflector plate that the utility model embodiment provides.

Wherein, each reference in figure：

1- panels；2- front frames；3- centers；4- diaphragms；5- light guide plates；6- light sources；7- reflector plates；71- diffusion layers；710- expands Shot；The hyaline layers of 72- first；73- reflecting layer；730- airports；The hyaline layers of 74- second；8- backboards.

Embodiment

In order that technical problem to be solved in the utility model, technical scheme and beneficial effect are more clearly understood, with Lower combination drawings and Examples, the utility model is further elaborated.It is it should be appreciated that described herein specific real Example is applied only to explain the utility model, is not used to limit the utility model.

It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another On one element or it is connected on another element.When an element is known as " being connected to " another element, it can To be directly to another element or be indirectly connected on another element.

It is to be appreciated that term " length ", " width ", " on ", " under ", "front", "rear", "left", "right", " vertical ", The orientation or position relationship of the instruction such as " level ", " top ", " bottom " " interior ", " outer " are to be closed based on orientation shown in the drawings or position System, it is for only for ease of and describes the utility model and simplified description, rather than the device or element of instruction or hint meaning is necessary With specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.

In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or two More than, unless otherwise specifically defined.

Also referring to Fig. 1, now reflector plate provided by the utility model is illustrated.Reflector plate 7, including stack gradually The first hyaline layer 72, the hyaline layer 74 of reflecting layer 73 and second set, in addition to the diffusion layer being coated on the first hyaline layer 72 71, diffusion layer 71 includes some diffusion particles 710 not of uniform size, and diffusion particle 710 is used for the diffusion angle for changing light, if The diffusion particle 710 is done to be layed on first hyaline layer 72.After the light that light source 6 is sent reflects by reflecting layer 73, lead to The diffusion particle 710 crossed in diffusion layer 71 reflects to light again, changes the shooting angle of emergent light, makes the reflector plate 7 Light extraction is evenly.

Reflector plate provided by the utility model, compared with prior art, the reflector plate 7 pass through provided with for changing light expansion The diffusion particle 710 of angle is dissipated, incident light can both be reflected, and the light after reflection can be diffused again again, changes light and expands Angle is dissipated, there is reflected light and the diffusion double function of light, and even if reflecting plate or the slight deformation of backboard 8, the reflecting plate go out Light is still uniform.

Further, referring to Fig. 1, a kind of embodiment as reflector plate provided by the utility model, diffusion The particle size scope of particle 710 is 10 μm to 50 μm, is layed on the first hyaline layer 72.Specifically, diffusion particle 710 is in single Layer is distributed on the first hyaline layer 72, not of uniform size, the light process being emitted from the first hyaline layer 72 of each diffusion particle 710 Different size of diffusion particle 710, the angle of emergent ray is also different, and emergent light can be made more uniform.

Preferably, diffusion layer 71 is the mixture of adhesion agent and diffusion particle 710.It is when being coated with diffusion particle 710, this is anti- Penetrate plate to be placed on coating machine platform, then the mixture of adhesion agent and diffusion particle 710 is coated on the first hyaline layer 72, form tool There is the diffusion layer 71 of individual layer diffusion particle 710.

Further, diffusion particle 710 is organic silicon particle, polyethylene (PE) particle, makrolon (PC) particle, poly- first One kind or at least two group in base methyl acrylate (PMMA) particle, polystyrene (PS) particle, polypropylene (PP) particle Close.The above-mentioned particle prices of raw materials are cheap, and easy processing.

Preferably, the material that color is shallower and reflectivity is higher can be used in reflecting layer 73, and such as white expanded material, white are not The metal such as transparent resin film, Huo Zheyin, aluminium.If reflecting layer 73 is white expanded material, the inside self-assembling formation of expanded material The airport 730 of several Arbitrary distributions, airport 730 is set in ball-type, spheroid shape or wafer type, but not limited to this.It is some For individual airport 730 in Multi-layers distributing in reflecting layer 73, the light that light source 6 is sent passes through the multi-layer air hole inside reflecting layer 73 After 730 reflection, most light are from the light extraction of the first hyaline layer 72 of reflector plate 7, and reflection efficiency is more than 99%.

Further, a kind of embodiment as reflector plate provided by the utility model, the He of the first hyaline layer 72 Second hyaline layer 74 is polyethylene terephthalate (PET) layer, makrolon (PC) layer, polyethylene layer (PE), polyphenyl One kind in ethene (PS) layer.It is preferable using the first hyaline layer 72 and the wearability of the second hyaline layer 74 of above-mentioned material, and easily Processing, reflector plate 7 is long-term use of and the process of transport among, not easy damaged.

Further, a kind of embodiment as reflector plate provided by the utility model, the thickness in reflecting layer 73 Scope is 50 μm to 100 μm；The thickness range of first hyaline layer 72 is 50 μm to 100 μm；The thickness range of second hyaline layer 74 For 50 μm to 100 μm；The thickness range of the reflector plate 7 is 0.16mm to 0.35mm.

Referring to Fig. 2, the utility model also provides a kind of backlight module, the backlight module includes above-mentioned reflector plate.Tool Body, the backlight module is also included located at the backboard 8 at the back of reflector plate 7 and located at the side of reflector plate 7 or positive light Source 6, the light that light source 6 is sent is after the reflection in the reflecting layer 73 in reflector plate 7, then by diffusion particle 710 in diffusion layer 71 Refraction after, change the diffusion angle of light, make the light extraction of backlight module evenly.

Referring to Fig. 2, the utility model also provides a kind of display device, above-mentioned backlight module is employed, in addition to set Panel 1 in backlight module side, the emergent ray of backlight module are sent from panel 1, use the reflecting plate in the backlight module The light sent from panel 1 can be made evenly, and the usage quantity of diffuser plate in display device can be reduced.

Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model Protection domain within.

Claims (10)

1. reflector plate, it is characterised in that：Including the first hyaline layer, reflecting layer and the second hyaline layer being cascading, also wrap The diffusion layer being coated on first hyaline layer is included, the diffusion layer includes some not of uniform size and spread for changing light The diffusion particle of angle, some diffusion particles are layed on first hyaline layer.

2. reflector plate as claimed in claim 1, it is characterised in that：The particle size scope of the diffusion particle is 10 μm to 50 μm。

3. reflector plate as claimed in claim 1, it is characterised in that：The diffusion particle be organic silicon particle, polyethylene particles, Makrolon particle, polymethyl methacrylate particle, polystyrene particle, one kind in polypropylene particles or at least two Combination.

4. reflector plate as claimed in claim 1, it is characterised in that：There are several to be used for reflected light for the inside in the reflecting layer The airport of line.

5. reflector plate as claimed in claim 4, it is characterised in that：The airport is set in ball-type, spheroid shape, wafer type.

6. reflector plate as claimed in claim 1, it is characterised in that：First hyaline layer and second hyaline layer are poly- One kind in ethylene glycol terephthalate layer, Polycarbonate Layer, polyethylene layer, polystyrene layer.

7. reflector plate as claimed in claim 1, it is characterised in that：The thickness range in the reflecting layer is 50 μm to 100 μm.

8. reflector plate as claimed in claim 1, it is characterised in that：Its thickness range is 0.16mm to 0.35mm.

9. backlight module, it is characterised in that：Including the reflector plate as described in claim any one of 1-8.

10. display device, it is characterised in that：Including backlight module as claimed in claim 9.