阅读说明：本技术 一种灯板及其应用 (A kind of lamp plate and its application ) 是由 余明养 黄志辉 欧峥 李佳鹏 罗胜 王振勇 侯辰 杨登明 陈荣华 蔡金钊 王高敏 于 2019-09-20 设计创作，主要内容包括：本发明提供一种灯板及其应用,包括：基层,其上设置有用于安装LED灯的发光腔,基层由第一透光材料制成,且具有相对设置的挡光面和发光面；若干个凹包,设于挡光面上并向基层内部凹陷,凹包均匀分布于基层内,凹包内设有由第二透光材料制成的导光层,通过发光腔发射过来的光线运动至凹包上并发生折射,第二透光材料的透光率小于第一透光材料的透光率。由LED灯发出的光向四周发散,在发光腔中分别射向挡光面、发光面、以及凹包。光线在凹包之间反射,并最终通过发光面发出。将LED灯看做点光源时,凹包与挡光面配合将点光源发散出的光经过多次反射、漫反射,最终从发光面均匀的发出,使发光面呈现均匀的发光状态。(The present invention provides a kind of lamp plate and its application, comprising: base is provided with the emitting cavity for mounted LED lamp, and base is made of the first translucent material, and has the light-blocking face being oppositely arranged and light-emitting surface；Several recessed packets, on light-blocking face and to base's inner recess, recessed packet is uniformly distributed in base, the optical waveguide layer made of the second translucent material is equipped in recessed packet, the light movement launched by emitting cavity is wrapped and is reflected to recessed, the light transmittance of the light transmittance of the second translucent material less than the first translucent material.It is dissipated around by the light that LED light issues, the light-blocking face of directive, light-emitting surface and recessed packet is distinguished in emitting cavity.Light reflects between recessed packet, and issues eventually by light-emitting surface.When regarding LED light as point light source, the light that recessed packet exhales point light source with the cooperation of light-blocking face is finally uniformly issued from light-emitting surface by multiple reflections, diffusing reflection, makes light-emitting surface that uniform luminance be presented.)

1. a kind of lamp plate characterized by comprising

Base (3) is provided with the emitting cavity for mounted LED lamp (5), and the base (3) is made of the first translucent material, And there is the light-blocking face being oppositely arranged and light-emitting surface；

Several recessed packets (4) are set on the light-blocking face and to the base (3) inner recess, and the recessed packet (4) is uniformly distributed In the base (3), it is equipped with the optical waveguide layer made of the second translucent material in the recessed packet (4), is sent out by the emitting cavity On incoming light movement to the recessed packet (4) and reflect.

2. lamp plate according to claim 1, which is characterized in that the recessed packet (4) includes:

Lateral reflecting part (41), the transverse direction reflecting part (41) are cylinder, the optical waveguide layer fitting lateral reflecting part (41) inner wall forms cylindrical reflecting surface.

3. lamp plate according to claim 1 or 2, which is characterized in that the recessed packet (4) further include:

Dome (42), the dome (42) are spherical surface, and the optical waveguide layer is bonded the spheric into the reflecting surface of spheric, described Dome (42) is located at one end of described recessed packet (4) Xiang Suoshu base (3) extending direction.

4. according to right want 1 or 2 described in lamp plate, which is characterized in that base (3) thickness direction described in LED light (5) face Middle position, the recessed packet (4) is less than the half of the thickness of the base (3) in the internal development length of the base (3).

5. lamp plate according to claim 1, which is characterized in that the emitting cavity includes:

Pedestal (31) is set at least one side of the base (3), is equipped in the pedestal (31) described for installing The mounting plate (51) of LED light (5).

6. lamp plate according to claim 5, which is characterized in that the thickness of the pedestal (31) is not less than the base (3) Thickness.

7. lamp plate described according to claim 1 or 2 or 5 or 6, which is characterized in that the light-blocking face of the base (3) is equipped with gear Photosphere (2), the light blocking layer (2) are the reflectance coating or light-shielding film being fitted on the base (3), the light transmission of the base (3) Face is equipped with photic zone (1), and the photic zone (1) is the light-transmissive film being fitted on the base (3).

8. lamp plate described according to claim 1 or 2 or 5 or 6, which is characterized in that the LED light (5) is located at least in the base The edge setting of layer (3) bottom.

9. lamp plate described according to claim 1 or 2 or 5 or 6, which is characterized in that the recessed packet (4) is with the base (3) Integrated injection molding.

10. a kind of air-conditioning, it is characterised in that: including any lamp plate of claim 1~9, the lamp plate is set to the sky On the ornamental area for adjusting outer surface.

Technical field

The present invention relates to illuminators, and in particular to a kind of lamp plate and its application.

Background technique

Lamps and lanterns are common illuminations, as the improvement of people's living standards, lamps and lanterns are applied not only to illuminate, it is more to be used to Decoration.On many living electric apparatus, household or exhibition booths, it is designed with various lamps and lanterns.

LED light is instantly using a kind of more frequent light source.When needing large-area planar light, the prior art is usual Lamp plate is set, multiple LED light are uniformly arranged on lamp plate, so that entire lamp plate be made to shine.

But light area is bigger, the quantity of the LED light needed is more.And LED light is as light source, is to have LED lamp Light is scattered around, therefore the brightness of wick position is significantly larger compared with the brightness of lamp plate other positions.Also, each LED light is equal It needs to connect circuit, therefore considers the needs of heat dissipation and circuit control, the minimum range between adjacent LED lamp is limited, therefore phase There can be the region lower than the brightness of wick position between adjacent two LED light.Therefore lamp plate in the prior art can generate apparent Granular light defect, and it is uniformly arranged numerous LED light in the plane, considerably increase the cost of monolith lamp plate.

Summary of the invention

Therefore, the technical problem to be solved in the present invention is that overcoming the apparent graininess of LED lamp panel generation in the prior art The defect of light, to provide a kind of lamp plate and its application.

A kind of lamp plate, comprising:

Base is provided with the emitting cavity for mounted LED lamp, and the base is made of the first translucent material, and has There are the light-blocking face being oppositely arranged and light-emitting surface；

Several recessed packets, on the light-blocking face and to base's inner recess, the recessed packet is uniformly distributed in institute It states in base, the optical waveguide layer made of the second translucent material, the light launched by the emitting cavity is equipped in the recessed packet Line, which moves to, described recessed to be wrapped and reflects.

The light transmittance of second translucent material is less than the light transmittance of first translucent material

It is described recessed to include:

Lateral reflecting part, the transverse direction reflecting part are cylinder, and the optical waveguide layer is bonded the inner wall of the lateral reflecting part Form cylindrical reflecting surface.

The recessed packet further include:

Dome, the dome are spherical surface, and the optical waveguide layer is bonded the spheric into the reflecting surface of spheric, the dome Positioned at described recessed one end wrapped to base's extending direction.

The middle position in groundwork thickness direction described in the LED light face, extension of the recessed packet inside the base Length is less than the half of the thickness of the base.

The emitting cavity includes:

Pedestal is equipped with the peace for installing the LED light at least one side of the base, in the pedestal Loading board.

The thickness of the pedestal is not less than the thickness of the base.

The light-blocking face of the base is equipped with light blocking layer, and the light blocking layer is the reflectance coating or gear being fitted in the base The transparent surface of light film, the base is equipped with photic zone, and the photic zone is the light-transmissive film being fitted in the base.

The LED light is located at least in the edge setting of the base bottom.

The recessed packet is integrated injection molding with the base.

A kind of air-conditioning, including lamp plate described in any of the above-described scheme, the lamp plate is set to the decoration of the air-conditioning outer surface Qu Shang.

Technical solution of the present invention has the advantages that

1. lamp plate provided by the invention, comprising: base is provided with the emitting cavity for mounted LED lamp, the base It is made of the first translucent material, and there is the light-blocking face being oppositely arranged and light-emitting surface；Several recessed packets are set on the light-blocking face And to base's inner recess, the recessed packet is uniformly distributed in the base, is equipped in the recessed packet by the second light transmission material Optical waveguide layer made of expecting, the light movement launched by the emitting cavity to it is described it is recessed wrap and reflect, described the The light transmittance of two translucent materials is less than the light transmittance of first translucent material.

It is dissipated around by the light that LED light issues, the light-blocking face of directive, light-emitting surface and recessed packet is distinguished in emitting cavity.It penetrates Be reflected to light-emitting surface and recessed packet to the light in the light-blocking face, the light of the recessed packet of directive by optical waveguide layer be reflected towards other recessed packets or Light-emitting surface.Light reflects between recessed packet, and issues eventually by light-emitting surface.When regarding LED light as point light source, it is recessed packet with it is light-blocking The face cooperation light that exhales point light source is finally uniformly issued from light-emitting surface by multiple reflections, diffusing reflection, makes the light-emitting surface be in Now uniform luminance.

2. lamp plate provided by the invention, it is described it is recessed include: lateral reflecting part, the transverse direction reflecting part is cylinder, institute It states optical waveguide layer and is bonded the inner wall of the lateral reflecting part and form cylindrical reflecting surface.

In light direct projection to the cylindrical side of lateral reflecting part, transversely reflect away.Make some light in emitting cavity Recessed packet between roundtrip, to improve the luminous uniformity of entire base.

3. lamp plate provided by the invention, the recessed packet further include: dome, the dome are spherical surface, the optical waveguide layer fitting For the spheric at the reflecting surface of spheric, the dome is located at described recessed one end wrapped to base's extending direction.

The spheric reflecting surface that dome structure is formed, makes the light being emitted on dome, along wider angle by light It reflects away, further improves the uniformity that light is distributed in emitting cavity.

4. lamp plate provided by the invention, the middle position in groundwork thickness direction described in the LED light face, the recessed packet exists Development length inside the base is less than the half of the thickness of the base.

When regarding LED light as point light source, point light source direct projection and go out light positioned at light-emitting surface and light-blocking face between, and in parallel It is arranged in light-emitting surface.Therefore when the length that recessed packet extends in base is greater than or equal to the half of groundwork thickness, recessed packet will be kept off Firmly most of light reduces the luminous brightness of lamp plate.This programme concave packet by reflection and overflows the light in the light-blocking face of directive anti- It penetrates and is finally projected from light-emitting surface.

5. lamp plate provided by the invention, the emitting cavity includes: pedestal, at least one side of the base, The mounting plate for installing the LED light is equipped in the pedestal.

Pedestal is located at the side of base, and chassis interior is mounting groove, and LED light is towards side corresponding to groundwork thickness.Peace Loading board closing mounting groove is simultaneously mutually fixed by adhesive layer with base inner wall, is sealed mounting groove, is prevented steam from entering influence LED light Work.

6. the light-blocking face of lamp plate provided by the invention, the base is equipped with light blocking layer, the light blocking layer is is fitted in The reflectance coating or light-shielding film in base are stated, the transparent surface of the base is equipped with photic zone, and the photic zone is described to be fitted in Light-transmissive film in base.

7. lamp plate provided by the invention, the LED light is located at least in the edge setting of the base bottom.

LED light is distributed in the edge of base bottom, compared with LED light of gathering on entire lamp plate in the prior art, this programme In under the premise of identical light-emitting area, arrange that the quantity of LED light significantly reduces, hence it is evident that reduce required for luminescent screen shines The quantity of LED light.And the available illumination effect to shine more evenly.

8. lamp plate provided by the invention, the recessed packet is integrated injection molding with the base.

It is nearly identical between the recessed packet of integrated injection molding, finished product can be controlled by the control to die size Precision.The hot flow forming process of tradition is that salient point is arranged in circular drum outer surface, since diameter of cylinder is larger, therefore circularity and Bump location is all it is difficult to ensure that arrive design requirement.It simultaneously in hot roll forming operation, is rolled with long slab, position when rolling It sets and cut-in angle is inconsistent also results in that lamp plate is inconsistent in each region stress, the recessed packet depth of the hot roll forming of generation It is in different size.To sum up, guide-lighting in the presence of lamp plate inner-concave packet will be caused due to the inconsistent recessed packet of the lamp plate of hot roll forming Refraction and reflected light path thread are random, therefore the optical uniformity reflected is poor with respect to the lamp plate of integrated injection molding of the present invention.

Detailed description of the invention

It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor It puts, is also possible to obtain other drawings based on these drawings.

Fig. 1 is the front view of lamp panel structure of the present invention；

Fig. 2 is the front view for indicating the light that LED light issues and reflecting between recessed packet；

Fig. 3 is the cross-sectional view for indicating base and understructure；

Fig. 4 is the side view for indicating the light that LED light issues and reflecting between recessed packet.

Description of symbols:

1, photic zone；2, light blocking layer；3, base；31, pedestal；4, recessed packet；41, lateral reflecting part；42, dome；5,LED Lamp；51, mounting plate.

Specific embodiment

Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ", " third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in invention.

As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments It can be combined with each other at conflict.