CN204785623U - Lamps and lanterns and printing opacity casing thereof - Google Patents

Abstract

The utility model relates to a lamps and lanterns and printing opacity casing thereof. Lamps and lanterns include printing opacity casing, radiating piece and at least one luminescence unit. The printing opacity casing has a plurality of lenticule structures and a plurality of fan -shaped curved surface structure. The radiating piece directly or indirectly is connected with the printing opacity casing and is formed the accommodation space. The luminescence unit sets up in the accommodation space to send light and pass the printing opacity casing. This application still provides a printing opacity casing.

Description

Light fixture and light-permeable shell thereof

Technical field

The utility model relates to about a kind of light fixture and light-permeable shell thereof.

Background technology

Light emitting diode (LightEmittingDiode, LED), because of the advantage such as its life-span is long, power consumption is few and heating degree is little, is widely used in the every articles for use in daily life.Wherein, more common with lamp applications.

In current lighting market, selecting of light emitting diode is competed often between single COB (chip-on-board) or many light emitting diodes.Wherein, compared to traditional SMD packaged light source, single COB light source is used all to have greater advantage in light source production efficiency, thermal resistance, light quality and imaging; But when considering handling of goods and materials and cost control, industry is then inclined to and many light emitting diodes can be used to replace the use of single COB light source.

But, still there is its imaging problem of making us denouncing in the use of many light emitting diodes, for conventional 3030 LED package (3030LEDpackage) shown in Fig. 1, the arrangement of many light emitting diodes will inevitably make the interval D that there is about 0.5 ~ 1mm therebetween, and then the problem causing many light emitting diodes optically to cause imaging uneven.

In addition, when the chip of light emitting diode presents the circular and arrangement symmetrically of anon-normal, have the situation that bright dipping is uneven, such as visual angle increases excessive and veiling glare and increases too much.

Therefore, how to provide a kind of light fixture and light-permeable shell thereof, many light emitting diode application of can arranging in pairs or groups, to adjust the uneven problem of many light emitting diode imagings, and maintain certain luminous efficiency, real is one of current important topic.

Utility model content

Because above-mentioned problem, the purpose of this utility model is to provide a kind of light fixture and light-permeable shell thereof, and many light emitting diode application of can arranging in pairs or groups, to adjust the uneven problem of many light emitting diode imagings, and maintain certain luminous efficiency.

For reaching above-mentioned purpose, comprise light-permeable shell, radiating piece and at least one luminescence unit according to a kind of light fixture of the present utility model.Light-permeable shell has multiple microlens structure and multiple fan-shaped curved-surface structure.Radiating piece and light-permeable shell are directly or indirectly connected and form accommodation space.Luminescence unit is arranged in accommodation space, and emits beam through light-permeable shell.

In one embodiment, light-permeable shell has inner surface and outer surface.Microlens structure and fan-shaped curved-surface structure lay respectively at inner surface and outer surface.

In one embodiment, light-permeable shell is the structure of semi-round ball shelly.Outer surface has arc top.The summit of each fan-shaped curved-surface structure defines the center on arc top jointly.

In one embodiment, light-permeable shell has inner surface and outer surface.Microlens structure and fan-shaped curved-surface structure lay respectively at outer surface and inner surface.

In one embodiment, light-permeable shell has inner surface and outer surface.Microlens structure and fan-shaped curved-surface structure are positioned at inner surface or outer surface simultaneously.

In one embodiment, the number of fan-shaped curved-surface structure is between 4 ~ 72.

In one embodiment, microlens structure is arranged around the inner surface of light-permeable shell.The center of circle of each microlens structure is positioned at the central shaft of light-permeable shell.

In one embodiment, the random geometry that is made up of at least one curved surface and/or at least one plane of light-permeable shell.

In one embodiment, light-permeable shell has at least one inner full-reflection curved surface.

In one embodiment, luminescence unit has wherein a kind of or its combination of red, blue, yellow, the multiple color such as green.

For reaching above-mentioned purpose, according to a kind of light-permeable shell of the present utility model, there is multiple microlens structure and multiple fan-shaped curved-surface structure.

In one embodiment, light-permeable shell has inner surface and outer surface.Microlens structure and fan-shaped curved-surface structure lay respectively at inner surface and outer surface.

In one embodiment, light-permeable shell is the structure of semi-round ball shelly.Outer surface has arc top.The summit of each fan-shaped curved-surface structure defines the center on arc top jointly.

In one embodiment, light-permeable shell has inner surface and outer surface.Microlens structure and fan-shaped curved-surface structure lay respectively at outer surface and inner surface.

In one embodiment, light-permeable shell has inner surface and outer surface.Microlens structure and fan-shaped curved-surface structure are positioned at inner surface or outer surface simultaneously.

In one embodiment, the number of fan-shaped curved-surface structure is between 4 ~ 72.

In one embodiment, microlens structure is arranged around the inner surface of light-permeable shell.The center of circle of each microlens structure is positioned at the central shaft of light-permeable shell.

In one embodiment, the random geometry that is made up of at least one curved surface and/or at least one plane of light-permeable shell.

In one embodiment, light-permeable shell has at least one inner full-reflection curved surface.

From the above, the light-permeable shell of light fixture of the present utility model has multiple microlens structure and multiple fan-shaped curved-surface structure, there is the light-permeable shell of microlens structure and fan-shaped curved-surface structure simultaneously, the configuration mode of luminescence unit can be coordinated, the imaging of optics adjusts simultaneously θ axle and the light produced diffusion on axle, thus enable to utilize the light fixture of many luminescence units (light emitting diode) to reach imaging effect as application single COB, maintain certain luminous efficiency, and under this basis, have the advantage on handling of goods and materials and cost keyholed back plate.

Accompanying drawing explanation

Fig. 1 is the schematic diagram of known 3030 light emitting diode arrangements.

Fig. 2 A is the schematic perspective view of a kind of light fixture of the utility model preferred embodiment.

Fig. 2 B is confined explosion's schematic diagram of the light fixture shown in Fig. 2 A.

Fig. 2 C is the schematic appearance of the light-permeable shell of the light fixture shown in Fig. 2 A.

Fig. 2 D is the generalized section according to the A-A line shown in Fig. 2 C.

Fig. 2 E is ball-type coordinate diagram.

Fig. 2 F is the configuration schematic diagram of the luminescence unit shown in Fig. 2 A.

Fig. 2 G is the configuration schematic diagram of the luminescence unit of another embodiment of the utility model.

Fig. 3 is the schematic appearance of the light-permeable shell of another embodiment of the utility model.

Fig. 4 A is the schematic appearance of the light-permeable shell of another embodiment of the utility model.

Fig. 4 B is the schematic appearance of the light-permeable shell of another embodiment of the utility model.

Fig. 5 is the partial cutaway schematic view of the light-permeable shell of another embodiment of the utility model.

Fig. 6 is the partial cutaway schematic view of the light-permeable shell of another embodiment of the utility model.

Fig. 7 is the partial cutaway schematic view of the light-permeable shell of another embodiment of the utility model.

Fig. 8 is the partial cutaway schematic view of the light-permeable shell of another embodiment of the utility model.

Detailed description of the invention

Hereinafter with reference to relevant drawings, a kind of light fixture according to the utility model preferred embodiment and light-permeable shell thereof are described, wherein identical element is illustrated with identical component symbol.

Please refer to Fig. 2 A, Fig. 2 B, Fig. 2 C and Fig. 2 D, Fig. 2 A is the schematic perspective view of a kind of light fixture of the utility model preferred embodiment, Fig. 2 B is confined explosion's schematic diagram of the light fixture shown in Fig. 2 A, Fig. 2 C is the schematic appearance of the light-permeable shell of the light fixture shown in Fig. 2 A, and Fig. 2 D is the generalized section according to the A-A line shown in Fig. 2 C.The light fixture E of the present embodiment for the pattern of bulb, but itself and be not used to limit the utility model.Light fixture E of the present utility model also can be other pattern, large-scale light fixture such as such as fluorescent tube, flat lamp etc.Please refer to shown in Fig. 2 A to Fig. 2 D, light fixture E comprises light-permeable shell 1, base plate 2, radiating piece 3 and at least one luminescence unit S (the present embodiment illustrates for multiple luminescence unit S).Luminescence unit S and light-permeable shell 1 are all arranged on base plate 2, and in the present embodiment, base plate 2 can be circuit board.

Shown in Fig. 2 A, radiating piece 3 is directly or indirectly connected with light-permeable shell 1 and forms accommodation space.Directly be connected with light-permeable shell 1, such as, for mutually to screw togather as example with radiating piece 3 at this.Radiating piece 3 has multiple fin 31 with improving radiating effect.Radiating piece 3 can comprise at least one heat-conducting, such as metal or alloy.

Luminescence unit S is arranged in the accommodation space that radiating piece 3 and light-permeable shell 1 formed, and emits beam through light-permeable shell 1.In addition, light fixture E also comprises electrical joint 4, and electrical joint 4 links with radiating piece 3, and is electrically connected with external power source.

Need first illustrate, the present embodiment does not limit the kind of luminescence unit S, quantity and spread configuration mode, and luminescence unit S can have wherein a kind of or its combination of red, blue, yellow, the multiple color such as green.Preferably, luminescence unit S is light-emitting diode chip for backlight unit.And with regard to spread configuration mode, luminescence unit S can be arranged at corresponding light-permeable shell 1 center or linearly, circle, arc, cross, array or other shape arrange.Wherein, the light fixture E of the present embodiment not has better effect for during orbicular multiple luminescence unit S when being implemented on spread geometry.Effect that the luminescence unit S that arrange in pairs or groups different configuration mode when practical application about the light-permeable shell 1 of the present embodiment has will describe in detail in the wings, first not repeat at this.

Please refer to shown in Fig. 2 A to Fig. 2 D equally, in the present embodiment, light-permeable shell 1 has inner surface 11 and outer surface 12, and inner surface 11 has multiple microlens structure 111, and outer surface 12 then has multiple fan-shaped curved-surface structure 121.But, according to required optical effect and configuring during practical application about the microlens structure of light-permeable shell and the setting position of fan-shaped curved-surface structure, such as with reference to shown in figure 3, the microlens structure 111a of light-permeable shell 1a and fan-shaped curved-surface structure 121a can be changed into and is arranged at outer surface 12 and inner surface 11 (as shown in Figure 3) respectively; Or light-permeable shell 1b as shown in Figure 4 A, microlens structure 111b and fan-shaped curved-surface structure 121b are positioned at outer surface 12 (or in the inner surface 11), with upper type not by the utility model is limited simultaneously.

In addition, the utility model adds the structure of more adjustable optical appearance when being not restricted to practical application, such as add the microlens structure 123 (as shown in Figure 4 B) of dense arrangement at the outer surface 12 of light-permeable shell 1g, to promote the application of transparent shell.

Below be described for the details of microlens structure 111 and fan-shaped curved-surface structure 121 further.Refer again to shown in Fig. 2 A to Fig. 2 D equally, in the present embodiment, microlens structure 111 is concavees lens, and microlens structure 111 is arranged around inner surface 11, and the center of circle of each microlens structure 111 is positioned at the central shaft of light-permeable shell 1.Preferably, each microlens structure 111 for being horizontally disposed with, and is concentric circles on a projection plane each other.

The details of the fan-shaped curved-surface structure 121 of the light-permeable shell 1 of the present embodiment is then described.Please also refer to shown in Fig. 2 C and Fig. 2 D, in the present embodiment, the outer surface 12 of light-permeable shell 1 has the fan-shaped curved-surface structure 121 of multiple arranged adjacent, and the number of fan-shaped curved-surface structure 121 is preferably between 4 ~ 72.In one embodiment, respectively this fan-shaped curved-surface structure 121 can have surface area identical in fact, in other words, when watching with the angle of overlooking, outer surface 12 is divided into multiple block by each fan-shaped curved-surface structure 121, through measure-alike multiple fan-shaped curved-surface structure 121 can make from inner surface 11 uniform light disperse, but neither restrictive condition of the present utility model about the surface area of fan-shaped curved-surface structure, in other embodiments, described in each, fan-shaped curved-surface structure can have not identical surface area.Wherein, the light-permeable shell 1 of the present embodiment is the structure of semi-round ball shelly, and this outer surface 12 has arc top 122, and the summit of each fan-shaped curved-surface structure 121 defines the center O on this arc top 122 jointly.

In brief, because the light-permeable shell 1 of the light fixture E of the present embodiment to have the design of fan-shaped curved-surface structure 121 at outer surface 12, when defining the light direction of luminescence unit S with ball-type coordinate (as shown in Figure 2 E), the light-permeable shell 1 of the light fixture E of the present embodiment is to be positioned at (not shown) on ball-type coordinate, namely fan-shaped curved-surface structure 121 is positioned on the X-Y plane of ball-type coordinate, and is applied to adjustment light on axle; Microlens structure 111 is then applied to the light on adjustment θ axle, and in other words, by the structure of the light-permeable shell 1 of the present embodiment, fan-shaped curved-surface structure 121 can adjust diffusion on axle, microlens structure 111 is then applied to the diffusion on adjustment θ axle, can adjust, to make its uniform in light emission thus according to the arrangement mode of luminescence unit S in light fixture E.

Furthermore, the light-permeable shell 1 of the present embodiment coordinates the mode of the arrangement of luminescence unit S to be configured to illustrate with Fig. 2 F and Fig. 2 G.Shown in figure 2F and Fig. 2 G, when the arrangement mode of luminescence unit S is the annular arrangement of comparatively dredging (the annular arrangement density of such as Fig. 2 G is less than Fig. 2 F), then need the fan-shaped curved-surface structure 121 strengthening light-permeable shell 1 axle diffusivity; And when the arrangement mode of luminescence unit S be comparatively dredge be spaced time (density that is spaced of such as Fig. 2 F is less than Fig. 2 G), then need the θ axle diffusivity of the microlens structure 111 strengthening light-permeable shell 1.Wherein, alleged being spaced refers to that the center arranged from luminescence unit is toward the gap size on the direction of diffuse outside herein.

In addition, light-permeable shell of the present utility model can have multiple version, below illustrates.

Need first illustrate, the light-permeable shell 1 of the utility model preferred embodiment is spherical for semicircle, and it also can be made into other shape, and such as, light-permeable shell 1c shown in Fig. 5 is irregular shape.And except above-mentioned form, light-permeable shell of the present utility model can for the random geometry be made up of at least one curved surface and/or at least one plane.

Furthermore, as shown in Figure 5, light-permeable shell 1c has roughly the same Structure and characteristics with the light-permeable shell 1a of previous embodiment, and just its outward appearance is not be the spherical structure of semicircle.In the present embodiment, the fan-shaped curved-surface structure 121c of light-permeable shell 1c is only formed at the part of outer surface 12c, thus can provide special luminous Demand Design and configure, thus effectively can improve the problem of diffusion.When practical application, even can apply the structure of asymmetrical light-permeable shell, improve asymmetric light emitting diode and arrange the uneven imaging problem produced.

Or as shown in Figure 6 to 8, the optical texture of other adjustable lay the grain shape can be added in light-permeable shell, to promote the elasticity that it uses.Wherein, the light-permeable shell 1d of Fig. 6 is the structure being provided with light collecting type at its periphery, shown in figure 6, by the arranged outside total reflection region TIR at light-permeable shell 1d, effectively can adjust its light shape, to reach the effect of outside light harvesting via the configuration in total reflection region.

Certainly, in other embodiments, also can reach central authorities and disperse (the light-permeable shell 1e as Fig. 7) or the optical effect of (the light-permeable shell 1f as Fig. 8) is dispersed in outside via configuring in light-permeable shell special optical texture, the utility model is not limit at this.

In sum, the light-permeable shell of light fixture of the present utility model has multiple microlens structure and multiple fan-shaped curved-surface structure, there is the light-permeable shell of microlens structure and fan-shaped curved-surface structure simultaneously, the configuration mode of luminescence unit can be coordinated, the imaging of optics adjusts simultaneously θ axle and the light produced diffusion on axle, thus enable to utilize the light fixture of many luminescence units (light emitting diode) to reach imaging effect as application single COB, maintain certain luminous efficiency, and under this basis, have the advantage on handling of goods and materials and cost keyholed back plate.

The foregoing is only illustrative, but not be restricted.Anyly do not depart from spirit of the present utility model and category, and to its equivalent modifications of carrying out or change, all should be contained in the right of enclosing.

Claims (19)

1. a light fixture, is characterized in that, comprising:

Light-permeable shell, has multiple microlens structure and multiple fan-shaped curved-surface structure;

Radiating piece, is directly or indirectly connected with this light-permeable shell and forms accommodation space; And

At least one luminescence unit, is arranged in this accommodation space, and emits beam through this light-permeable shell.

2. light fixture as claimed in claim 1, it is characterized in that, this light-permeable shell has inner surface and outer surface, and described microlens structure and described fan-shaped curved-surface structure lay respectively at this inner surface and this outer surface.

3. light fixture as claimed in claim 2, it is characterized in that, this light-permeable shell is the structure of semi-round ball shelly, and this outer surface has arc top, and respectively the summit of this fan-shaped curved-surface structure defines the center on this arc top jointly.

4. light fixture as claimed in claim 1, it is characterized in that, this light-permeable shell has inner surface and outer surface, and described microlens structure and described fan-shaped curved-surface structure lay respectively at this outer surface and this inner surface.

5. light fixture as claimed in claim 1, it is characterized in that, this light-permeable shell has inner surface and outer surface, and described microlens structure and described fan-shaped curved-surface structure are positioned at this inner surface or this outer surface simultaneously.

6. light fixture as claimed in claim 1, it is characterized in that, the number of this fan-shaped curved-surface structure is between 4 ~ 72.

7. light fixture as claimed in claim 1, it is characterized in that, described microlens structure is arranged around the inner surface of this light-permeable shell, and described in each, the center of circle of microlens structure is positioned at the central shaft of this light-permeable shell.

8. light fixture as claimed in claim 1, is characterized in that, the random geometry that this light-permeable shell is made up of at least one curved surface and/or at least one plane.

9. light fixture as claimed in claim 1, it is characterized in that, this light-permeable shell has at least one inner full-reflection curved surface.

10. light fixture as claimed in claim 1, is characterized in that, this luminescence unit has red, blue, yellow, green wherein a kind of color or its combination.

11. 1 kinds of light-permeable shell, is characterized in that, have multiple microlens structure and multiple fan-shaped curved-surface structure.

12. light-permeable shell as claimed in claim 11, is characterized in that having inner surface and outer surface, and described microlens structure and described fan-shaped curved-surface structure lay respectively at this inner surface and this outer surface.

13. light-permeable shell as claimed in claim 12, it is characterized in that the structure for semi-round ball shelly, this outer surface has arc top, and described in each, the summit of fan-shaped curved-surface structure defines the center on this arc top jointly.

14. light-permeable shell as claimed in claim 11, is characterized in that having inner surface and outer surface, and described microlens structure and described fan-shaped curved-surface structure lay respectively at this outer surface and this inner surface.

15. light-permeable shell as claimed in claim 11, is characterized in that having inner surface and outer surface, and described microlens structure and described fan-shaped curved-surface structure are positioned at this inner surface or this outer surface simultaneously.

16. light-permeable shell as claimed in claim 11, it is characterized in that, the number of this fan-shaped curved-surface structure is between 4 ~ 72.

17. light-permeable shell as claimed in claim 11, it is characterized in that, described microlens structure is arranged around the inner surface of this light-permeable shell, and described in each, the center of circle of microlens structure is positioned at the central shaft of this light-permeable shell.

18. light-permeable shell as claimed in claim 11, it is characterized in that the random geometry be made up of at least one curved surface and/or at least one plane.

19. light-permeable shell as claimed in claim 11, is characterized in that having at least one inner full-reflection curved surface.