CN209341021U - A kind of panel light - Google Patents

Abstract

This application involves lighting apparatus fields, provide a kind of panel light, comprising: shell, the side wall including backboard and connection backboard, shell are formed with illuminated exit at face backboard；Optical module, is set to side wall, and optical module can emit light forwards；Reflecting mirror is connected to shell and is set to the front of optical module, the light issued for reflecting optical module；Reflective diffusion layer, is attached on backboard, and the light diffusing reflection for enabling reflecting mirror be reflected simultaneously is projected from illuminated exit.The light of optical module transmitting changes original direction and intensity after reflecting via reflecting mirror, some light is set to be reflected on the reflective diffusion layer at middle part, it is projected again via after reflective diffusion layer diffusing reflection from illuminated exit, enhance the brightness in the middle part of lamps and lanterns, light goes out light more evenly via after diffusing reflection, the use for having subtracted light guide plate simultaneously enables the decline of panel light thickness, quality lighter, is more reduction of production cost.

Description

A kind of panel light

Technical field

This application involves lighting apparatus field, in particular to a kind of panel light.

Background technique

Panel light is a kind of novel surface light source, and principle is that light forms one kind uniformly after the light guide plate of high transparency Flat luminous effect, the illuminance uniformity of panel light is good, light is soft, comfortably bright without blinding, and good appearance is succinct, is one The high-grade indoor illumination light fitting of kind.

In the prior art, panel light is divided into straight-down negative luminescent panel lamp and side luminescent panel according to the difference of light source position Lamp, the lamps and lanterns thickness ordinary circumstance of straight-down negative luminescent panel lamp between 3.5cm-5cm, and side shine generally 8mm-12mm it Between, straight-down negative luminescent panel lamp is thicker than side luminescent panel lamp very much, and required quantity of light source is more, and side luminescent panel lamp goes out Light is more evenly soft, is increasingly becoming the mainstream of panel light.Side luminescent panel lamp in the prior art generally comprises light source, leaded light The parts such as plate, diffuser plate, reflector, substrate, frame, power supply, light source are installed on substrate, and light guide plate and diffuser plate produce light source Raw side light source is converted into area source and uniformly light-emitting, the illumination functions of Lai Shixian panel light.Therefore, in existing panel light In, light guide plate and diffuser plate are present in panel light as essential component.However, the price of light guide plate have always been high not Under, since panel light is limited by the use of light guide plate, so that the cost of panel light can not effectively reduce always.

Summary of the invention

In order to solve the use that panel light in the prior art is limited by light guide plate, and caused by panel light cost always The problem of can not effectively reducing, the present invention provides a kind of panel lights without light guide plate.

This application provides a kind of panel lights, comprising:

Shell, the side wall including backboard and connection backboard, shell are formed with illuminated exit at face backboard；

Optical module, is set to side wall, and optical module can emit light forwards；

Reflecting mirror is connected to shell and is set to the front of optical module, the light issued for reflecting optical module；

Reflective diffusion layer, is attached on backboard, and the light diffusing reflection for enabling reflecting mirror be reflected simultaneously is projected from illuminated exit.

The light of optical module transmitting is difficult to direct projection to the intermediate region of reflection diffusion layer, causes under lamps and lanterns central brightness Drop, seriously affected the light-out effect of lamps and lanterns, furthermore, so it is easy to understand that apart from optical module more it is close then go out light it is stronger, distance The optical module the remote, and then light is weaker out, therefore causes lamps and lanterns periphery bright and intermediate dark, and the prior art mostly uses light guide plate to solve this One problem.And in this application, the light of optical module transmitting changes original direction and intensity after reflecting via reflecting mirror, So that some light is reflected on the reflective diffusion layer at middle part, then is penetrated via after reflective diffusion layer diffusing reflection from illuminated exit Out, the brightness in the middle part of lamps and lanterns is enhanced, light goes out light more evenly via after diffusing reflection, while having subtracted the use of light guide plate, enables The decline of panel light thickness, quality are lighter, are more reduction of production cost.

Optionally, optical module includes light source, and the direction of court, light source institute angled with backboard institute is 40 degree to 85 degree, can The light for projecting light source includes simultaneously direct projection to the light for reflecting diffusion layer and is reflected into via reflecting mirror and reflects diffusion layer Light, it is ensured that the light projected from illuminated exit is uniform, makes panel light go out bright position uniform.

Still optionally further, it is 20 degree to 45 degree that reflecting mirror is angled with backboard institute, can make reflecting mirror that can reflect The light projected to light source can also make light be reflected into the less region of middle part i.e. direct line of reflection diffusion layer, into one The light that step ensures to project from illuminated exit is uniformly comfortable.

Optionally, optical module further includes lens, and lens are convex lens, and light source is located at the focal point of convex lens.Light source position In the focal point of convex lens, then the diverging light that light source is launched is capable of forming directional light after passing through convex lens, guarantees more light Source can be reflected, and the brightness of panel light entirety is improved.

Optionally, reflecting mirror and the backboard institute angled direction for court, the light source institute and angled supplementary angle of backboard.It can The light for projecting light source is reflected into the light of reflection diffusion layer via reflecting mirror, while light being enable to be reflected into reflection diffusion The middle part of layer, it is ensured that the light projected from illuminated exit is uniform, makes panel light go out bright position uniform.

Optionally, the reflecting surface of reflecting mirror is non-thread towards maximum from minimum at a distance from the support surface of reflecting mirror Property rise, convex reflector can be formed as, can particularly be formed as half convex reflector.Convex reflector can assemble light, have Effect enhancing is reflected into the brightness of reflection diffusion layer surface light, to enhance the light emission luminance of panel light.

Optionally, the side of the close optical module of the reflecting surface of reflecting mirror has farthest with the support surface of reflecting mirror Distance, the side of the separate optical module of the reflecting surface of reflecting mirror have with the support surface of reflecting mirror it is nearest at a distance from. It can be formed adjacent to optical module side thickness, far from half thin convex lens of optical module side, the light for emitting optical module Line is more reflected into the middle section of reflective diffusion layer, with fill up can not light in the middle part of direct projection to reflective diffusion layer, to make Panel light goes out light more evenly.

Optionally, backboard is conducive at least partly away from the direction protrusion of illuminated exit by light-ray condensing, Ke Yigen According to the brightness of demand enhancing panel light partial region.

Optionally, optical module there are two and be located at the opposite two sides of shell, protrusion from the middle part of shell towards Two sides where optical module extend.The light that the optical module of two sides emits can all be concentrated on into middle part, go out panel light Light is uniform, while enhancing the brightness in the middle part of panel light, more meets actual use demand.

Optionally, diffuser plate is provided at illuminated exit.Be conducive to the equalizing light rays for making to project, while can also control The angle that light projects is needed by routine use, shoots down light.

Detailed description of the invention

It, below will be to embodiment in order to illustrate more clearly of the application embodiment or technical solution in the prior art Or attached drawing needed to be used in the description of the prior art is briefly described.It should be evident that the accompanying drawings in the following description is only used for The some embodiments for illustrating the application, for those of ordinary skill in the art, in the premise not made the creative labor Under, be also possible to obtain other drawings based on these drawings in unmentioned technical characteristic, connection relationship or even method and step.

Fig. 1 is the partial structural diagram for the panel light that the application embodiment provides；

Fig. 2 is the structural schematic diagram of the optical module of panel light provided by the application embodiment；

Fig. 3 is the structural schematic diagram of the reflecting mirror of panel light provided by the application embodiment；

Fig. 4 is another structural schematic diagram of the reflecting mirror of panel light provided by the application embodiment.

Description of symbols

1- shell；

11- backboard；

12- side wall；

2- optical module；

21- light source；

22- convex lens；

3- reflecting mirror；

The reflective diffusion layer of 4-.

Specific embodiment

To keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with the application specific embodiment and The technical solution of the application is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the application A part of the embodiment, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not having Every other embodiment obtained under the premise of creative work is made, shall fall in the protection scope of this application.

Shown in referring to Fig.1, a kind of panel light provided herein, comprising:

Shell 1, the side wall 12 including backboard 11 and connection backboard 11, shell 1 are formed at face backboard 11 and illuminate out Mouthful, backboard 11 and side wall 12 can be used acrylic material and be made, light transmittance height and good weatherability, for a long time using also not variable Color or deformation, or can be made of materials such as PC, material used by backboard and side plate can be the same or different.

Optical module 2, is set to side wall 12, and optical module 2 can emit light forwards；

Reflecting mirror 3 is connected to shell 1 and is set to the front of optical module 2, is issued for reflecting optical module 2 Light；

Reflective diffusion layer 4, is attached on backboard 11, and the light diffusing reflection for enabling reflecting mirror 3 be reflected simultaneously is penetrated from illuminated exit Out, reflective diffusion layer 4 may include the chemical particle as scattering particles, so that light is occurred on reflective diffusion layer 4 unrestrained anti- It penetrates, reflective diffusion layer 4 can be selected the materials such as PET and be pasted on or be sprayed on backboard 11.

In the prior art, the light that optical module 2 emits is difficult to direct projection to the intermediate region of reflection diffusion layer 4, causes The decline of lamps and lanterns central brightness, has seriously affected the light-out effect of lamps and lanterns, so it is easy to understand that and it is more close apart from optical module 2, go out Light is stronger, apart from optical module 2 it is more remote then to go out light weaker, therefore cause lamps and lanterns periphery bright and intermediate dark, the prior art mostly uses Light guide plate solves the problems, such as this.In addition, making optics it is contemplated that the distance between optical module 2 and backboard 11 can be increased The light that module 2 emits can direct projection to the intermediate region for reflecting diffusion layer 4, however still remain closer apart from optical module 2 It is stronger then to go out light, then goes out the weaker problem of light apart from the optical module 2 the remote.And in this application, the light that optical module 2 emits Original direction and intensity are changed after reflecting via reflecting mirror 3, some light is enable to be reflected into the reflective diffusion layer 4 at middle part On, then projected from illuminated exit via after reflective 4 diffusing reflection of diffusion layer, enhance the brightness in the middle part of lamps and lanterns, light is via unrestrained anti- Go out light more evenly after penetrating, while having subtracted the use of light guide plate, enables the decline of panel light thickness, quality lighter, be more reduction of life Produce cost.

Optionally, optical module 2 includes light source 21, and the direction of 21 courts of light source angled with 11 institute of backboard is 40 degree to 85 Degree.The direction of 21 courts of light source and the institute of backboard 11 are angled smaller, then direct projection is to reflective diffusion layer 4 in the light that light source 21 emits On light it is more, the light being reflected on reflective diffusion layer 4 by reflecting mirror 3 is fewer；Conversely, the direction of 21 courts of light source with 11 institute of backboard is angled bigger, then the light in the light that light source 21 emits in direct projection to reflective diffusion layer 4 is fewer, passes through reflection The light that mirror 3 is reflected on reflective diffusion layer 4 is more.Because the light that light source 21 projects includes simultaneously direct projection to reflecting diffusion layer 4 light and the light that reflection diffusion layer 4 is reflected into via reflecting mirror 3, so by the direction of 21 courts of light source and 11 institute of backboard It is angled to be set as 40 degree to 85 degree, it can be ensured that the light projected from illuminated exit is uniform, so that panel light is gone out bright position uniform. In addition, light source 21 can use the LED light source of sizes, various levels of brightness, multiple color according to demand, for launching difference LED light source can also be set on pcb board, convenient for regulation by light.

Still optionally further, it is 20 degree to 45 degree that reflecting mirror 3 is angled with 11 institute of backboard.Reflecting mirror 3 is in backboard 11 Angle can determine that light after the reflection of reflecting mirror 3, is incident on the position on reflective diffusion layer 4, to will have a direct impact on panel Lamp goes out light situation.By reflecting mirror 3 and the institute of backboard 11 is angled is set as 20 degree to 45 degree, and reflecting mirror 3 can be made anti- It is mapped to the light of light source injection, light can also be made to be reflected into the less region of middle part i.e. direct line of reflection diffusion layer 4, into The light that one step ensures to project from illuminated exit is uniformly comfortable.

Referring to shown in Fig. 2, optionally, optical module 2 further includes lens, and lens are convex lens 22, and light source 21 is located at convex lens The focal point of mirror 22.According to the image-forming principle of convex lens 22, light source 21 is located at the focal point of convex lens 22, then light source is launched Diverging light is capable of forming directional light after passing through convex lens 22, guarantees to be reflected after more light sources can be injected on reflective mirror 3, To improve the brightness of panel light entirety.

Optionally, reflecting mirror 3 and the institute of the backboard 11 angled direction for 21 courts of the light source and angled benefit of backboard 11 Angle.The light that light source 21 can be made to project is reflected into the light of reflection diffusion layer 4 via reflecting mirror 3, while keeping light anti- It is mapped to the middle part of reflection diffusion layer 4, it is ensured that the light projected from illuminated exit is uniform, so that panel light is gone out bright position uniform.

Optionally, the reflecting surface of reflecting mirror 3 is non-towards maximum from minimum at a distance from the support surface of reflecting mirror Linear rise.Referring to shown in Fig. 3, it can be formed as at a distance from the reflecting surface of reflecting mirror 3 and the support surface edge of reflecting mirror Minimum, and the distance of two centre of surface parts is maximum, it being formed as convex reflector 3, convex reflector 3 can assemble light, Effectively enhancing is reflected into the brightness for reflecting 4 surface light of diffusion layer, to enhance the light emission luminance of panel light.In addition, reflecting mirror 3 Reflecting surface at minimum at a distance from the support surface of reflecting mirror with maximum can according to need any its position of setting, i.e., Convex reflector 3 can also be any irregular shape.

Still optionally further, the side of the close optical module of the reflecting surface of reflecting mirror 3 has the support with reflecting mirror 3 The distance of most portionafrom theasurface, the side of the separate optical module of the reflecting surface of reflecting mirror 3 have with the support surface of reflecting mirror 3 most Close distance.Referring to shown in Fig. 4, it can be formed adjacent to optical module side thickness, far from half thin convex lens of optical module side Mirror 3, the light for emitting optical module are more reflected into the middle section of reflective diffusion layer 4, with fill up can not direct projection to instead The light at 4 middle part of light diffusion layer, so that panel light be made to go out light more evenly.

Optionally, for backboard 11 at least partly away from the direction protrusion of illuminated exit, the convex portion of backboard 11 can The convex portion on reflective diffusion layer 4 is set to receive more reflection lights, while but also reflective diffusion layer 4 and reflecting mirror 3 Apart from closer, the reflection light brightness received is also bigger, is conducive to assemble brighter light, can enhance face according to demand The brightness of plate lamp partial region.In present embodiment, for the brightness for enhancing panel light central region, it can be set in backboard 11 Between part away from the direction protrusion of illuminated exit, and gradually seamlessly transitted at side wall 12.

Optionally, optical module 2 there are two and be located at the opposite two sides of shell, protrusion from the middle part of shell 1 to Two sides where optical module 2 extend.In present embodiment, optical module 2 can be symmetrically disposed on to shell two sides, protrusion To extend from the two sides where the middle part of shell 1 towards optical module 2, then protrusion can have identical symmetrical with optical module Axis.The light that the optical module 2 of two sides emits can all be concentrated on middle part by such design, make panel light uniform in light emission, together Brightness in the middle part of Shi Zengqiang panel light more meets actual use demand.

Optionally, diffuser plate is provided at illuminated exit.Be conducive to the equalizing light rays for making to project, while can also control The angle that light projects is needed by routine use, shoots down light, diffuser plate can cover entire illuminated exit, will be complete It projects light and uniformly spreads in portion.Polystyrene (PS), polycarbonate (PC), polyethylene (PE), polypropylene can be used in diffuser plate (PP), polyvinyl chloride (PVC), polyethylene terephthalate (PET), acryl (PMMA), acrylic acid (MMA) etc. light transmission Property polymeric material or synthetic material are made.

It should be appreciated that the term used in the embodiment of the present application be only merely for for the purpose of describing particular embodiments, and It is not intended to be limiting the application.In the embodiment of the present application and the "an" of singular used in the attached claims, " institute State " and "the" be also intended to including most forms, unless the context clearly indicates other meaning, " a variety of " generally comprise at least two Kind, but be not excluded for comprising at least one situation.

It should be appreciated that term "and/or" used herein is only a kind of incidence relation for describing affiliated partner, indicate There may be three kinds of relationships, for example, A and/or B, can indicate: individualism A, exist simultaneously A and B, individualism B these three Situation.In addition, character "/" herein, typicallys represent the relationship that forward-backward correlation object is a kind of "or".

It will be appreciated that though certain portions may be described using term first, second, third, etc. in the embodiment of the present application Part, but these components should not be limited only to due in these terms.These terms are only used to for each component being distinguished from each other out.Example Such as, in the case where not departing from the embodiment of the present application range, the first so-and-so component can also be referred to as second so-and-so component, similar Ground, the second so-and-so component can also be referred to as first so-and-so component.

In presently filed embodiment, the meaning of " essentially equal to ", " being essentially perpendicular to ", " general symmetry " etc. Think of is, between two signified features macroscopically size or relative positional relationship in close proximity to the relationship addressed.So And it will be apparent to those skilled in the art that since the positional relationship for being present such that object of the objective factors such as error, tolerance is in small ruler Degree or even microcosmic angle are difficult to just be constrained.Even if therefore slightly there is point tolerance in size between the two, positional relationship, The realization of the technical effect of the application can't be produced bigger effect.

It should also be noted that, the terms "include", "comprise" or its any other variant are intended to nonexcludability Include, so that commodity or system including a series of elements not only include those elements, but also including not clear The other element listed, or further include for this commodity or the intrinsic element of system.In the feelings not limited more Under condition, the element that is limited by sentence "including a ...", it is not excluded that in the commodity or system for including the element also There are other identical elements.

In above-mentioned each embodiment, although the above method to be illustrated to and is described as a series of move to simplify to explain Make, but it should be appreciated by those skilled in the art that and understand, the order that these methods are not acted is limited, because according to one A or multiple embodiments, some movements can occur in different order and/or with from it is depicted and described herein or herein not Diagram and description but it will be appreciated by those skilled in the art that other movements concomitantly occur.

Finally, it will be understood by those skilled in the art that in above-mentioned each embodiment, in order to keep reader more preferable Ground understands the application and proposes many technical details.But even if without these technical details and it is based on above-mentioned each embodiment party The various changes and modifications of formula can also realize each claim of the application technical solution claimed substantially.Therefore, exist In practical application, can to above embodiment, various changes can be made in the form and details, without departing from spirit herein And range.

Claims (10)

1. a kind of panel light characterized by comprising

Shell, the side wall including backboard and the connection backboard, the shell are formed with illuminated exit at the backboard described in face；

Optical module, is set to the side wall, and the optical module can emit light forwards；

Reflecting mirror is connected to the shell and is set to the front of the optical module, sent out for reflecting the optical module Light out；

Reflective diffusion layer is attached on the backboard, and the light diffusing reflection for enabling the reflecting mirror be reflected simultaneously illuminates out from described Mouth projects.

2. panel light according to claim 1, which is characterized in that the optical module includes light source, court, the light source institute Direction and backboard institute it is angled be 40 degree to 85 degree.

3. panel light according to claim 2, which is characterized in that it is 20 degree that the reflecting mirror is angled with the backboard institute To 45 degree.

4. panel light according to claim 2, which is characterized in that the optical module further includes lens, and the lens are Convex lens, the light source are located at the focal point of the convex lens.

5. panel light according to claim 4, which is characterized in that the reflecting mirror and backboard institute are angled for light source The direction of court, institute and the angled supplementary angle of the backboard.

6. panel light according to claim 4, which is characterized in that the reflecting surface of the reflecting mirror and the reflecting mirror The distance of support surface is from minimum towards the non-linear rising of maximum.

7. panel light according to claim 6, which is characterized in that the close optics of the reflecting surface of the reflecting mirror The side of module have with the support surface of the reflecting mirror it is farthest at a distance from, the reflecting surface of the reflecting mirror far from described The side of optical module have with the support surface of the reflecting mirror it is nearest at a distance from.

8. panel light as claimed in any of claims 1 to 7, which is characterized in that the backboard at least partly towards Direction protrusion far from the illuminated exit.

9. panel light according to claim 8, which is characterized in that there are two the optical modules and is located at the shell The opposite two sides of body, the protrusion extend from the two sides where the middle part of the shell towards the optical module.

10. panel light according to claim 1, which is characterized in that be provided with diffuser plate at the illuminated exit.