CN109073205A - The shutter of cobble plate - Google Patents

Abstract

The present invention provides a kind of lighting unit (1000), including (i) for generating multiple LED light sources (10) of lighting unit light (1001), and (ii) light outgoing unit (200) for escaping at least part of the lighting unit light (1001) from lighting unit (1000), wherein light outgoing unit (200) includes shutter unit (1200), shutter unit (1200) includes multiple shutter cells (210) for carrying out beam shaping to illumination unit light (1001), plurality of shutter cell (210) includes n subset, each subset includes corresponding m shutter cell (210), wherein the shutter cell (210) of each subset is configured as the domain of adjacent shutter cell (210), Wherein the corresponding k shutter cell (210) in each domain has mutually different shutter cell cross section, wherein 3≤n≤100000, wherein 5≤m≤21, and wherein 5≤k≤m.

Description

The shutter of cobble plate

Technical field

The present invention relates to shutter (louvre) units.The invention further relates to the lighting units with shutter.

Background technique

Shutter containing lamps and lanterns is well known in the art.For example, US 4,613,929 is described and be could attach to photograph The troffer extension of the wall of light and shade light trough, and have ceilinged part to increase troffer relative to ceiling, and With parts are extended, for engaging the upper unit on one end of component of troffer, and for engaging ceiling In the lower device of the component other end.In US 4,613,929, shutter is substantially interlocking a series of in the form of egg case Vertical and horizontal metal band defines a series of rectangular or square opening of equivalent sizes.Shutter is placed on lighting tube In the dead space of lower section, and have lower edge, the lower edge usually with the planes align of ceiling.

Summary of the invention

Elongated downlight becomes increasingly to dominate on the market, because they are easily installed and are incorporated into monolithic architecture design In.The key of this design can be the height of minimum relevant to diameter.Big light-emitting area can be set in product.It is special Not, this product can have lambert's light distribution, and therefore can have relatively high intensity of brightness under higher visual angle.

The beam shaping of light can be by using the TIR(total internal reflection for for example changing light direction) element accomplishes.Optics device The size of part and the size in source are directly related.Therefore, if total light-emitting area of elongated downlight is considered as a source, optics device Part element becomes very high relative to source, so that required lighting unit height becomes too big, (or diameter or width becomes It is smaller than desired).A solution can be found, with multiple small light sources, these small light sources have individually in front Optical device, and work together as whole.Since source is made more much smaller, optics elements also be can be made smaller Much.Then problem becomes how to create small source and how source is directed at whole optical devices, for example, also including thermal expansion effect It answers.One people can be for example using a large amount of individually LED but this may cause the high risk of LED failure, electrical system is difficult to put down Weigh electric current and the high cost etc. of whole LED.

Seem that the randomization of illuminating product is apparently highly praised because it is apparent and feels by client.Regular pattern is logical It is commonly referred to as technology, and not pleasant.Randomization is apparently uniquely set each cell (cell) for requiring pattern Meter with realize optical function and from all other cells it is different.In order to fill the total surface of limited height, a large amount of cells are needed. This will require a large amount of design and Engineering Task, this be do not meet it is cost-benefit.It may be created using identical Quarter Design Undesirable technology is apparent, but will be easily able to.In addition, only having a small area shape, it is meant that classical shutter cloth In beam and therefore office will generate artifact pattern in the plane irradiated, for example it is known that cellular layout will create Hexagonal shaped pattern, and the outer edge of beam will be pentagonal.

Therefore, it is an aspect of the present invention to provide a kind of lighting units of substitution, preferably further at least partly One or more of disadvantages mentioned above is eliminated, which is particularly likely to be relatively thin.Another aspect of the present invention is to mention For a kind of shutter unit (for being applied to (existing) lighting unit) of substitution, random appearance can have, still The random appearance is relatively easy to design.

In embodiment, a solution is provided, wherein having multiple unique shutter cells (" cell ") (all Such as such as 13 unique cells) louvered design be created.These unique cell combinations in so-called tiling (here Also referred to as " domain " or " subset ").This tiling is for filling entire plate.In the case of such an arrangement, it is only set by limited It counts with Engineering Task and creates the apparent of randomization and feel, and this can be repeated for different shape of product and size.

In embodiment, shutter unit can be for example, by being used in the design phase with creating rotational symmetry optical device Expected intensity Shu Zuowei is generated to start and design.Replicate this optical device so that m (such as 13) individually reflector that This is close, such as with hexagonal array.As final step, the shape of many optical devices becomes k (such as 13 from circle It is a) unique shape.The effect of which reduce the dark space between cell and increasing total optical system.In this step, may Creation randomization is apparent and avoids creation technology pattern.Finally, tiling (n times) can be replicated to fill whole surface.With this Mode can create the design that can be used for producing the light outgoing unit with shutter cell.

Therefore, in a first aspect, the present invention provides a kind of shutter units, including for carrying out beam to illumination unit light Multiple shutter cells of shaping, plurality of shutter cell include n subset (a plurality of n subsets), Each subset includes corresponding m shutter cell, wherein the shutter cell of each subset is configured as adjacent shutter The domain of cell, wherein the corresponding k shutter cell in each domain has mutually different shutter cell cross section, wherein 3≤n≤100000, wherein 5≤m≤21, and wherein 5≤k≤m, wherein shutter cell is formed as by the Ne of closure cyclization The polygon that quantity louvred walls define, wherein for each shutter cell, range of the quantity Ne in 3≤Ne≤10 Interior, wherein multiple shutter cells in same domain only have C1 symmetry relative to the central point P in the domain, and each Domain includes the polygon of at least three inconsistent shapes, and wherein each shutter cell has corresponding equivalent cross section, Mutual ratio between the equivalent cross section of shutter cell is in the range of 1:2.5.The present invention also provides a kind of lighting units (also referred to herein as " unit " is shown as), the multiple light sources including (i) being used to generate lighting unit light, and (ii) for making the photograph The light that at least part of bright unit light is escaped from lighting unit is emitted unit, and wherein light outgoing unit includes shutter unit. Using this unit, the beam control system to the uniform illumination surface come from limited height may be implemented.Preferably, shutter cell The tessellate surface and/or domain that form domain form the tessellate surface of light exit window.It is further preferred that polygon has circle Angle.Statement " polygon that each domain includes at least three inconsistent shapes " means when being amplified to identical size, shutter The shape of cell mismatches.More specifically, it means that their shape is different, such as in the quantity of louvred walls On, i.e., at least there are three the polygon of the louvred walls with different number, such as domain include at least one 3 while, one 4 while and Polygon in one 8 side polygon or domain all has the louvred walls of identical quantity, such as entirely 6 side polygons, But the louvred walls length with mutually different formation closed loop, and with the different angle between louvred walls.It is excellent Selection of land using the combination for the feature that the upper surface of inconsistent shape refers to, therefore creates (partly) randomization to have a great attraction Apparent and feeling.

In addition, by by the scope limitation of polygon from 3 while to 10 while and by limiting equivalent cross section Range, provides the further improvement of the semi-randomization design of pleasant, and the manufacture for not having completely randomization to design is answered Not pleasant feeling is made us in polygamy and/or without completely random or excessively rule design.In other embodiments, domain includes Shutter cell, wherein domain only has C1 symmetry, but wherein domain with the structural order of primitive rule.In such embodiment In, whole domains can be substantially equivalent.

Therefore, the lighting unit that can be for example used for office lighting, the illumination can be provided in a relatively simple manner Unit has relatively thin main body, and the lighting unit can provide the light with desired dazzle property.This illumination is single Member can permit low clearance of the lighting unit relative to the length of such as lighting unit, width or diameter.In addition, this illumination is single Member especially can be elongated or shallow lighting unit.In addition, this lighting unit can permit it is effective passive and/or actively cold But.This lighting unit can permit the illumination to closing or open space (room, office, shop, show window etc.).? (referring also to hereafter) in embodiment, this lighting unit be can integrate in ceiling or wall.In other embodiments, this Lighting unit can be arranged in (motor-driven) vehicle, especially allow to illuminate street or vehicle interior etc..

Statement " the equivalent cross section of shutter cell " means (irregular) the polygon shape with shutter cell The circular cross section of the identical cross-section surface area of shape.

As indicated above, lighting unit includes the multiple light sources for generating lighting unit light.Especially light source can be with Light source light is provided.In a particular embodiment, light source includes solid state LED light source (such as LED or laser diode).Multiple light sources are outstanding It may include multiple LED light sources.In embodiment, multiple (LED) light sources include a type of (LED) light source.At other In embodiment, multiple (LED) light sources include at least two types for being configured to supply the light source light with different spatial distributions (LED) light source, such as LED from different casees.For example, blue led and yellow led or blue led and green can be provided LED and red LED.This combination can be arranged to provide white light.Particularly, the color of different LED can be in light It is mixed in mixing chamber.Therefore, multiple light sources may include the light source of two or more subsets, wherein each light source is configured to mention For essentially identical light (identical spatial distribution), or wherein, to be configured to provide for essentially identical light (identical for each subset Spatial distribution) or two of them or more subset be configured to provide for the light with different spatial distributions.In embodiment, One or more light sources are configured to provide for white light.In other embodiments again, one or more subsets are configured to provide for white light, and And other one or more subsets are configured to provide for colourama.In still further embodiments, two or more subsets are matched It is set to the white light for providing and there are different spatial distributions, such as with different correlated colour temperature.In this way, in embodiment, The spatial distribution of lighting unit light (light provided by lighting unit) is also possible to tunable.Therefore, further In embodiment, lighting unit may include control system, which is configured as the intensity of control light source and the face of light source One or more of color.In still further embodiments, control system can be configured as (thus) control lighting unit One or more of the intensity of light, the spatial distribution of lighting unit light and harness shape of lighting unit light.

Lighting unit light can be substantially made of light source light.However, in embodiment, lighting unit light also may include Converted light source light.For example, lighting unit may include can be by the light activated luminescent material of light source.Lighting unit light can be with Including luminescent material light (or converter light), optionally combined with (some) remaining light sources light.Therefore, multiple light sources are configured as Lighting unit light is generated, wherein lighting unit light is by direct (that is, substantially light source light) and/or indirectly (due to will at least Part light source light is converted into luminescent material light) it generates.For example, wall may include luminescent material, luminescent material can be coated to face On, or can be embedded in waveguide.Therefore, in general, multiple light sources are configured as, (directly (lighting unit light is substantially by light Source light composition) and/or indirectly (lighting unit light includes at least luminescent material light)) generate lighting unit light.

Lighting unit can design in various ways.At least part light of lighting unit light is emitted unit from photograph via light Bright unit evolution.It is a kind of light exit window that light, which is emitted unit,.Term " light outgoing unit " can also refer to multiple light outgoing units. Light exit window is particularly configured to provide specific angular distribution (and/or harness shape) for lighting unit light.For example, light exit window can To be configured to supply the light with low dazzle.In embodiment, 65 ° or smaller cut-off angles can be provided for light beam, In be greater than cut-off angles angle at, brightness be equal to or less than 1000 Cd/m², such as equal to or less than 800 Cd/m².Depend on In application, it also can choose cut-off angles that are smaller or being optionally larger than 65 °.Using lighting unit, it perhaps can limit and (shine Bright unit light) cut-off angles and/or harness shape.

It can use shutter and create desired harness shape.The use of shutter be well known in the art (referring also to Above).Shutter can be for example including the plate or band that the exit window of lighting unit is divided into part, also referred herein to being shown as small Area.This cell usually has square or rectangular cross section.In addition, usually this shutter has certain height, limit The wall of cell, cross-sectional shape is not substantially with Level Change, but there may also be variations in embodiment, such as with light The increase of source distance and increase (such as taper).Due to using shutter, brightness at larger angle reduce or substantially by Stop.In the shutter of the prior art, shutter and shutter cell thus are configured with regular pattern.However, at this In invention, irregular or especially pseudo-random patterns are used.In conjunction with light guide (referring also to hereafter), thin illumination list can be created Member can be applied in various applications, while having small thickness (height) and having the appearance of pleasant and good Good beam shaping property.

Light outgoing unit is configured as escaping at least part of the lighting unit light from lighting unit.Light outgoing is single Member includes shutter unit.The light of lighting unit substantially only can be emitted unit via light and escape from lighting unit.Particularly, The light of lighting unit substantially can be escaped only via shutter unit from lighting unit.Therefore, light outgoing unit especially includes The window that can be substantially made of multiple openings delimited by shutter.Referred to by each opening that one or more shutters limit It is shown as shutter cell.Therefore, light outgoing unit includes multiple shutter cells.Therefore, shutter unit provides lighting unit Light-emitting area.

Shutter cell may not be the pattern configuration with completely random, but particularly also not with the pattern of complete rule Configuration.For this purpose, light outgoing unit includes n subset, each subset includes corresponding m shutter cell.The quantity of subset is extremely It is less 3, such as at least 5, even more especially at least 7, but can be much larger, such as, for example, 100000 are up to about, such as 10000 are up to about, is such as up to about 1000.The quantity of subset can depend on the cross-sectional area of light outgoing unit.Particularly, Light outgoing unit includes shutter cell within the scope of cross-sectional area 0.05-100 every square centimeter, and especially every square li Rice 0.01-50 within the scope of shutter cell, it is 0.01-10 even more particularly every square centimeter within the scope of shutter it is small Area, it is such as every square centimeter0.05-10 shutter cell, it is 0.1-5 such as every square centimeter within the scope of shutter it is small Area.Each subset includes multiple shutter cells.These shutter cells are formed together subset or are also referred to as herein in " domain ".Domain or Subset includes the shutter cell being configured adjacently.Therefore, the aggregation of multiple shutter cells forms domain.Shutter cell is especially matched It is set to the 2D array of shutter cell.The domain can also indicate that the shutter cell of cohesion or the coalescence for shutter cell.This Each shutter cell and at least one other shutter cell in kind domain share a wall (or shutter).Domain is to be configured adjacently 's.Therefore, the aggregation in multiple domains can particularly form shutter unit.Domain also especially configuration is in the array of the domain 2D.Shutter Unit can also indicate that the domain of cohesion or coalescence for domain.

Subset includes multiple shutter cells, can be selected from the possible shutter small area shape of limited quantity. In principle, domain even can the quantity of shutter cell, the arrangement of shutter cell, shutter cell quantitative aspects each other Difference, but particularly each subset includes can select from the possible shutter small area shape of limited quantity multiple hundred Leaf window cell.Even more particularly, each subset includes one or more, the multiple shutters especially indicated in each domain Small area shape.Even more particularly, each domain includes the shutter cell of identical quantity and same type and same configuration.Cause This, in embodiment, it includes multiple domains that light, which is emitted unit, wherein at least part of the total quantity in domain (such as 2 or more A or at least five, such as at least ten domain) it is substantially the same.Note that domain ratio is further from side in the boundary of light outgoing unit The domain on boundary may include less shutter cell, in order to provide desired boundary shape (circle, square, rectangle, ellipse Deng).

As indicated above, shutter cell can be selected from the possible shutter small area shape of limited quantity.Cause This, it is understood that there may be the k shutter cell with mutually different shutter cell cross section.Each subset may include these K shutter cell.Optionally, other than these k shutter cell, which can also include that other shutters are small Area need not indicate in all other subsets.Therefore, each subset includes corresponding m shutter cell, wherein each domain K interior shutter cell has mutually different shutter cell cross section, wherein 5≤m≤21 and 5≤k≤m.However, special Not, whole shutter cells in subset are selected from the shutter small area shape of predefined k number amount.Cause This, particularly, k=m.In addition, particularly, k=m, and k is equal to or more than both 7 and has both.

Therefore, illumination outgoing unit includes multiple shutter cells for carrying out beam shaping to illumination unit light, wherein Multiple shutter cells include n subset, and each subset includes corresponding m shutter cell, wherein the blinds of each subset Window cell is configured as the domain of adjacent shutter cell, wherein the corresponding k shutter cell in each domain has mutually not Same blinds cell cross section, wherein 3≤n≤100000, wherein 5≤m≤21, and wherein 5≤k≤m.In specific embodiment In, n >=5,7≤m≤21 and 7≤k≤m.In even more specific embodiment, n >=5,9≤m≤21 and 9≤k≤m. Particularly, k is in the range of 7-17, wherein k=m.Using such embodiment, random appearance can be created, beam shaping can be with It is good, while complexity is still manageable.In general, m is higher and k is higher, can perceive lighting unit (that is, Shutter unit) it is more random.In addition, beam shaping can also be easier.However, m and k are higher, the complexity of design is also higher.Cause This, particularly k=m, and particularly k and m(be independently) and in the range of 7-21, especially 7-21, such as or even particularly Ground 7-17, for example it is lower than 15.

As indicated above, multiple shutter cells in domain have mutually different shutter cell cross section.It is transversal The shape in face can be angular but it is also possible to be mellow and full.Particularly, mellow and full cross section can provide a kind of cobble knot Structure.Mutually different shutter cell cross section is especially different in terms of at least one of surface area dimensions and shape.Example Such as, only two different equilateral triangles of size are of similar shape.Equally, only two different circles of diameter are having the same Shape.However, round different with the shape of triangle (even if area size having the same).Therefore, it is herein referred to as " ovum Stone ", because numerous cobbles may not include the cobble of same shape.

Light outgoing unit can especially be combined with light guide (such as waveguide or air guide element (air guide)).Light source can To be configured to provide light source light in light guide.Lighting unit may be configured such that light can be only via the face of limited quantity (such as single face) is escaped from light guide.Due to reflection, such as due to total internal reflection (TIR), the main portion of (lighting unit) light Dividing only to escape from light guide via such face.

In embodiment, face can be light outgoing unit.When application air guide element, this can be especially true.Again its In his embodiment, when application waveguide, the face of this waveguide may be used as light output coupling surface.In such embodiments, light Outgoing unit can be only fitted to the downstream of this light output coupling surface.

Therefore, in the embodiment of lighting unit, which includes light mixing chamber, and plurality of light source is configured as in light Light source light is provided in mixing chamber, wherein light mixing chamber includes the light-emitting face for escaping (light source) light from light mixing chamber, Described in light outgoing unit may include light-emitting face, or wherein light outgoing unit is configured in the light-emitting face Downstream.Therefore, multiple light sources are configured as providing light source light in light mixing chamber, to provide the lighting unit light.It is mixed from light The light for closing room evolution may include light source light and/or luminescent material light.Therefore, light source is configurable to generate lighting unit light.

As indicated above, in some embodiments, air guide element is configured as light mixing chamber, and the light is emitted Unit includes light-emitting face.Light mixing chamber in embodiment includes air.Here, for the embodiment including air, term is " empty Gas guiding piece " can also be associated with use with " light mixing chamber ".Therefore, in embodiment, the volume limited by light mixing chamber is basic It is upper to be filled with air.Particularly, the light source light provided by light source can be directly and after (interior) reflection by air guide element Be open (i.e. the first shutter cell opening from light source-guide to room；Referring also to hereafter).

In other embodiments again, waveguide is configured as light mixing chamber, and wherein waveguide includes the light-emitting face, and its Described in light outgoing unit be configured in the downstream of the light-emitting face.

Here, air guide element is that wherein air (or optional another gas) is light of the light in the medium wherein propagated It leads.In addition, waveguide here is that wherein solid (or optional liquid) material is light guide of the light in the medium wherein propagated.

Term " upstream " and " downstream " are related to the propagation relative to the light from photogenerated device (especially light source here) Project or the arrangement of feature filled closer to photogenerated wherein relative to the first position in the light beam from photogenerated device The second position in light beam set is " upstream ", and further from the third place in the light beam of photogenerated device be " downstream ".

Light guide can also indicate that as " light mixing chamber ".Particularly, in embodiment, light mixing chamber includes one or more The face of face, especially two, and especially edge surface.Therefore, in embodiment, lighting unit includes " light mixing chamber ", herein Also referred to as " (light) mixing cassette ".In light mixing chamber, especially it is mixed by the light source light that multiple light sources provide.It is provided by light source At least part of light source light can be reflected and (also be joined in light mixing chamber (for example, at face and/or the position of edge surface) See below), and can be mixed with the light source light from another light source (or from same light source light)).Therefore, light mixing chamber can To mix the light source light for the light source for having essentially identical spatial distribution or spatial distribution different.

In a further embodiment, multiple light sources include light-emitting surface, such as LED die.Therefore, in embodiment, more A light source includes light-emitting surface, and wherein light-emitting surface configuration is in light mixing chamber.

In embodiment, light mixing chamber can be limited by face and edge surface.Face and edge surface may include different types of Shape.For example, face may include rectangular shape, circular shape, elongated shape, curved shape, undulations, square shape Deng.Face also may include multiple shapes and/or different sides may include different shape.Similarly, edge surface may include difference The shape of type, the shape being such as previously mentioned before about face.Particularly, edge surface is arranged in (one, the edge in the first face Point) and the edge (a part) in the second face between, especially limit (light mixing) room.In embodiment, light mixing chamber can be with Including " freedom " shape.Light mixing chamber includes at least two faces and edge surface.In embodiment, edge surface may include multiple sides Edge face, such as two edge surfaces, three edge surfaces (such as the room with triangular cross section), four edge surfaces are (such as For having the room of square or rectangular cross section).In embodiment, light mixing chamber includes that lucky two faces and edge surface are (all As for the chamber with round or ellipse cross section).In other embodiments, optical mixing box includes more than two edge Face.

In embodiment, the substantially parallel arrangement in face (it includes parallel flexure plane).

In a further embodiment, two faces include circular shape, and edge surface includes cylindrical.Especially Ground, face is parallel to each other, and edge surface is located between the edge in face.In such embodiments, light mixing chamber can wrap Include disc shaped.Especially in the light mixing chamber of this disc shaped, the distance between face on light mixing chamber can be basic It is identical, and the height of light mixing chamber can be equal to the distance between face.Similarly, the first of the light mixing chamber of this disc shaped Length can be equal to the maximum distance of the line of the second position of the first position of joint face edge and the edge in the face, especially Its diameter for being equal to face.

In other embodiments, it includes with long axis (or trans D) and short that two faces are (especially arranged parallel to each other) The elliptical shape of axis (or conjugate value), and the first length of light mixing chamber can be equal to the length of long axis (especially face to face Be configured such that connection the first face center and the second face center line perpendicular to long axis and short axle when).

In other embodiments again, the first face is curved, and the second face is plane.Particularly, in such implementation In example, (most short) distance (height) between the second position at first position and the second face at the first face can be depended on The positioning of (multiple) position.

Particularly, light mixing chamber has (flat) plate-like or (flat) plate-like shape.

Light mixing chamber can have the first length and height.First length of light mixing chamber especially can be by characteristic distance (such as width, length or diameter) limits.Therefore, term " the first length " can refer to length, width, diameter, trans D, be total to One or more of yoke diameter etc..The first length is selected as in wherein length, width, trans D or conjugate value In embodiment, the second length can be respectively selected from width, length, conjugate value or lateral length.In other embodiments again, as First length selects diagonal line (to be especially configured such that the line at the center in the first face of connection and the center in the second face face to face Basically perpendicular to long axis and when short axle).

Therefore, in embodiment, light room can have disc shaped or pencil shape or plate-like shape etc..Particularly, face One or more of, even more particularly two faces are substantially flat.Particularly, edge can be it is curved and/or by Two or more squares or rectangular element composition.

Particularly, the height of light mixing chamber is less than the first length of light mixing chamber.In embodiment, the first of light mixing chamber Range of the ratio of length and the height of light mixing chamber selected from 200:1-1:1, especially 200:1-2:1, such as 150:1- 5:1, Especially 100:1-10:1.In a further embodiment, the first length is selected from the range of 20mm-2000mm, such as 50mm- 1000mm, especially 50mm-500mm.In still further embodiments, the height of light mixing chamber is selected from the model of 2mm-100mm It encloses, such as 2mm-50mm, especially 5mm-40mm, or even more particularly 5mm-25mm, such as 5mm-20mm, especially 5mm- 10mm.In further specific embodiment, the height of optical mixing box is selected from the range of 15-20mm.Particularly, lighting unit, More particularly light mixing chamber, the ratio of the first length (L1) and height (H) with 1≤L1/H≤100, such as 2≤L1/H≤ 100, or even more particularly 5≤L1/H≤100.In the case where ratio is two or more, such as especially 5 or bigger, Ke Yichuan It builds relatively thin room and therefore there are also lighting units.Therefore, in embodiment, light mixing chamber includes one or more faces and side Edge face, wherein light mixing chamber has the height (H) of the first length (L1) less than light mixing chamber.

In embodiment, the height of light mixing chamber can change in the first length and/or (first) length can be in light Change in the height of mixing chamber.Ratio indicated above can especially maximum height and length.In addition, size indicated above It refers to the distance between face, and therefore refers in particular to the size of the chamber or room that are limited by face and edge surface.However, implementing In example, the external dimensions of lighting unit can also be selected from value and/or ratio above, be especially selected from such ratio.

In embodiment, at least part of total number of light sources amount configures at face (including edge surface) (at least one).

Assuming that waveguide, it is noted that the outgoing of (one or more) light can be configured in the downstream in face or the downstream in two faces Unit；That is, one or two face is light-emitting face respectively.However, in other embodiments, only configuring light in the downstream in a face It is emitted unit, in another (opposite) face or downstream, such as reflecting material is kept or redirecting light (arrives) in waveguide.Again In other embodiments, light source configuration is at the face opposite with (light is emitted unit) light-emitting face.

Assuming that air guide element, in embodiment, light source configuration is opposite with light-emitting face (being emitted unit including light) At face.In such embodiments, light source can especially be configured to provide for light source light, wherein optic axis perpendicular to such face simultaneously And on the direction far from such face, therefore it is especially directed to light-emitting face.

In still further embodiments, light source is configured at edge surface, is configured the light source at edge surface and is particularly matched It is set to and provides light source on the direction to the light mixing chamber for being directed away from edge surface.

Therefore, in embodiment, multiple light sources configuration at edge surface and is configured to supply with transverse to height Optic axis the light source light.

Two or more combinations of such embodiment can also be applied (referring also to hereafter).

Particularly, lighting unit includes at least two, even more especially at least 4, and even more especially at least 8 It is a, and even more especially at least 10 light sources, or even more particularly 16 light sources, such as especially at least 30, even more Especially at least 56.The quantity of light source can be related to (surface) area in face.Extra high quantity, such as at least ten, Especially at least 30 light sources may be advantageous being uniformly distributed for light source light escaped from light mixing chamber.Particularly, compared with The light source of small number can be cost-effective benefit.1-4 light source (only) is provided in embodiment.The total quantity of illuminator can be with It is the compromise between cost, availability, service life, uniformity and light output.Particularly, the quantity of light source can be with (light guide) face (surface) area it is proportional.In embodiment, the quantity of every square metre of area light source of (multiple) face (in one) is every Square metre 10-500, especially every square metre 50-500, such as every square metre 100-400, even more particularly every Selection in square metre 150-300 ranges.

Provided light source light is advanced and can be redirected far from light source, such as reflects in light mixing chamber, especially It is to be reflected by face (including edge surface).(reflection) light (again) redirected can advance towards face and mix in light It closes in room and is redirected (reflection) again.Due to total multiple reflections (redirection) (in light mixing chamber), light can pass through light Mixing chamber is advanced, until it is escaped therefrom via the opening in shutter.

In embodiment, face may include smooth surface with redirecting light.Particularly, the face including edge surface includes that light is anti- Material is penetrated, such as light reflects coating.Alternatively or additionally, the element (such as wall elements or edge) of face or edge surface is provided It can be substantially made of reflecting material.The example of reflecting material is the polyethylene terephthalate that such as micropore is formed (MCPET) or the microporous foam sheet material made of polycarbonate resin (MCPOLYCA).Such as Al can also be applied₃O₃、MgO、 BaSO₄Deng coating.In embodiment, face may include (height) diffusing reflection (white) layer.

In a further embodiment, face may include rough surface with redirecting light.Particularly, face may include one Or multiple structures, especially multiple structures, to provide reflection in different directions.Particularly, light source can be in different directions It is redirected (reflection).Therefore, in embodiment, light mixing chamber includes the other elements or knot for being configured as redirecting light source light Structure.Element or structure can particularly configure at (multiple) face and/or edge surface, not be configured as light-emitting face especially (edge) face.The example of this element is reflecting element, and is configurable to such as point or band, and can match with pattern It sets.For example, element can be by providing during manufacture of the 3D printing at face (including edge surface) and/or in optical mixing box.It is special Not, at least one of face includes the element for being configured as redirecting light source light in light mixing chamber.These elements can have There is the function of secondary souce.This element can have such as (such as light mixing chamber height in the range of being up to about the 5% of height The 0.01-2% of degree) height and/or width.The length of this element can be in the range of the first length, but can also be It is up to about in the range of the 5% of height, such as the 0.01-2% of light mixing chamber height.In addition, this element can be with rule schema Case, irregular pattern or pseudo-random patterns configuration.Using the present invention, (redirection) element need not be aligned with shutter cell.Cause This, in embodiment, element is with complete regular pattern or with another pattern not being aligned with shutter cell.

Shutter cell is configurable to different types of pattern.Also the combination of pattern can be used.For example, configuration can be with It is cube or hexagon.Particularly, it appears that the pattern of this high degree of symmetry is considered as that may be less desirable.Therefore, in reality It applies in example, shutter cell is configured with pseudo-random patterns.Even more in particular, beam shaping element is with the configuration of phyllotaxy pattern, even More particularly phyllotaxy spiral pattern.

In a particular embodiment, light outgoing unit is with the cross-sectional area with central point, wherein being emitted unit by light Including multiple shutter cells only with respect to central point have C1 symmetry.In other embodiments, domain includes that shutter is small Area, wherein domain only has C1 symmetry, but domain is with the structural order of primitive rule.In such embodiments, whole domains can be with It is substantially equivalent, wherein multiple shutter cells have mutually different cross section in each domain.

Lighting unit can be relatively thin.Light mixing chamber or light guide can be relatively thin, but shutter cell also can have Small height.In embodiment, shutter cell have within the scope of the 1-100mm (such as within the scope of 1-20mm, such as Shutter height (h1) 1.5-15mm).

In addition, not only shutter cell (i.e. shutter or louvred walls) can relatively short (small height), but also thickness It can also be relatively small (thin).This causes dead volume low.In embodiment, the gross area of the cross-sectional area of shutter cell is wrapping At least about 70%, such as especially at least about the 80% of the area in the face of shutter cell is included, even more especially at least about In the range of 90%.Wall between adjacent shutter cell may include in (virtual) the plane limit limited by shutter cell (this (virtual) plane can have in the range of the 0.1-30% of fixed total surface area, such as 0.1-20%, such as 0.2-10% The substantially equivalent area of the area in the face of light guide downstream is configured with light exiting element.Therefore, in embodiment, light is emitted Unit, especially shutter unit have a cross-sectional area, and wherein light outgoing unit is included in for example every square centimeter transversal Shutter cell within the scope of face area 0.05-10 (referring also to above).In still further embodiments, by adjacent The part for the light outgoing unit that the louvred walls that shutter cell limits occupy is selected from the range of the 9-17% of cross-sectional area.Hundred Leaf window can have range selected from 0.1-10mm, the especially range selected from 0.2-5mm, the range such as selected from 0.5-4mm, For example it is equal to or less than the thickness of 2mm.

Particularly, shutter cell has within the scope of 0.2-20mm, the equivalent diameter of such as 1-15mm.Here, it gives The equivalent diameter for determining shutter cell (with non-circular cross sections) is defined as being equal to identical as given shutter cell The diameter of a circle of area.Here, (wherein cross section is in (respective face) plane for term " area " more particularly to cross-sectional area In).Note that in embodiment, one or more or even whole shutter cells in domain have mutually different equivalent straight Diameter.However, in (other) embodiment, two or more shutter cells in domain also can have essentially identical equivalent Diameter.

Louvred walls can be substantially flat on the direction basically perpendicular to cross section.However, louvred walls can also To include taper at least part of its height.Shutter cell may include for receiving and (escaping from light mixing chamber) First shutter cell of light is open, and further includes for opening the second shutter cell of (light through beam shaping) evolution Mouthful.The opening configuration of first shutter cell is in the upstream that the second shutter cell is open.First shutter cell opening can be small It is open in the second shutter cell.In this way it is possible to which it is single that additional beam shaping (collimation) functionality is added to light outgoing Member.For example, shutter cell can have the first equivalent diameter in the first shutter cell opening, and in the second shutter Cell opening has the second equivalent diameter, and first equivalent diameter and second equivalent diameter have the range in 0.5-1.1 Interior ratio R 12, wherein R12 ≠ 1, especially 0.5≤R12 < 1, and more particularly 0.9≤R12 < 1.As noted above Show, shutter cell has for example within the scope of 0.2-20mm, the equivalent diameter of such as 1-15mm.First and second is equivalent straight Both diameter will be especially selected from this range (but therefore can be mutually different).Therefore, the second shutter cell opening can configure For 2D array, especially offer light-emitting area.

Therefore, the thin lighting unit with desired bundle nature can be created.In embodiment, lighting unit can have Lighting unit length (L3) and lighting unit height (H3), the wherein ratio of lighting unit length (L3) and lighting unit height (H3) Rate is 1≤L3/H3≤100, especially 2≤L3/H3≤100, and is even more particularly 5≤L3/H3≤100.As noted above Show, in the case where ratio is equal to or more than 2 even more especially at least 5, unit can be very elongated.Therefore, this unit It may include same elongated light mixing chamber, can substantially be of the same size ratio.Although light mixing chamber and/or photograph Bright unit is elongated, but can provide big light-emitting area.

Therefore, as indicated in a particular embodiment above, lighting unit includes at least ten light source, and wherein light source includes Solid state light emitter, wherein shutter cell has the shutter height (h1) within the scope of 1-100mm, wherein light outgoing unit tool There is cross-sectional area, wherein light outgoing unit includes that the shutter within the scope of cross-sectional area 0.05-10 every square centimeter is small Area, wherein the part of the light outgoing unit occupied by the louvred walls that adjacent shutter cell limits is selected from cross-sectional area 9-17% range.The area occupied in the case where non-straight wall by louvred walls will be the first shutter cell opening by The area that wall occupies.

Shutter according to the present invention may include reflector.In embodiment, reflector includes metal (reflective mirror) material Material, such as metal layer.In a further embodiment, the surface of reflector can be metallized, especially for creation mirror surface Reflecting surface.In a further embodiment, reflector may include reflective coating.As indicated above, shutter cell can It to include the first shutter cell opening for receiving and (escaping from light mixing chamber) (light) source light, and further comprise using In the second shutter cell opening for escaping (light through beam shaping), especially wherein reflecting surface configuration is small in the first shutter Between area's opening and corresponding second shutter cell opening.In embodiment, configuration is open in the first shutter cell At least part in the shutter cell face between the second shutter cell opening includes reflecting material, especially metal Reflecting mirror material.Shutter cell wall can also include the polymer material coated with reflecting material, all as indicated above.

The wall of shutter cell can be straight or taper.Shutter cell can have height H2 and length L2, The ratio of middle H2/L2 >=0.5, preferably >=0.8, more preferably >=1.2, for example, H2/L2=1.Due to length Degree L2 will change on cross section, therefore used here as parameter " equivalent diameter ", simply regard the first shutter cell as The average value of the diameter of opening and the second shutter cell opening.

Light mixing chamber may include wall elements, and wall elements include (multiple) face and edge surface, draw in order to provide air Guiding element.Lighting unit can also include the wall elements for surrounding waveguide, and wherein at least part of wall elements is configured as light outgoing Unit.Can by one of 3D printing and injection molding or it is a variety of at least part of lighting unit is provided, such as wrap Include wall elements of shutter cell, or the individual component including shutter cell etc..Therefore, in embodiment, including it is described more At least part of face of a shutter cell and edge surface includes by individual unit.In view of heat management, the two of lighting unit A or more element it is integrated be also possible to it is useful.The open architecture of lighting unit is (especially in the feelings of air guide element Under condition) heat management can also be added.By shutter cell, light mixing chamber (such as air guide element or waveguide) can be with its ring The contact of border fluid.Therefore, free convection can contribute to the temperature control of lighting unit.In still further embodiments, shine Bright mixing chamber (assuming that being air guide element) further comprises one or more air openings, and especially configuration is in edge surface and not face At the one or more in the face of multiple shutter cells.For example, air can enter via such (multiple) openings, and And heated air can be escaped via shutter cell.However, this is also likely to be other modes, wherein air is via hundred Leaf window enters and heated air is escaped via air openings.Air flowing can also be in the first length and/or height of room Upper variation.In still further embodiments, lighting unit further includes air flowing generating device, and such as small pump, (air) are logical Blower, air ejector, Venturi tube (venturi) etc., are configured at least part of lighting unit (such as in light In mixing chamber or around) air flowing is provided.In a further embodiment, edge surface and the face including multiple shutter cells One or more of include Heat Conduction Material.For example, at least part of lighting device may include aluminium or another heat conduction material Material, steel, copper, magnesium, heat-conducting plastic etc..

Lighting unit can be such as Office lighting systems, domestic applications system, shop lighting systems, domestic lighting system System, accent lighting systems, collective lighting system, Theatre lighting systems, fiber optic applications system, optical projection system, self-luminous display system System, pixelation display system, segment display system, caution sign system, medical illumination application system, Warning Mark system, dress Adorn lighting system, portable system, automobile application, (outdoor) roadway lighting system, urban lighting system, Green house lighting systems, A part of Horticultural light or LCD backlight can be applied to wherein.Here term white light is known to those skilled in the art 's.It more particularly to about 2000 between 20000K, the correlated colour temperature CCT(of especially 2700-20000K is for general Illumination especially in the range of about 2700K and 6500K, and is used for backlight purpose, especially in about 7000 K and 20000K In the range of, and especially in about 15 SDCM standard deviations of the color-match of BBL black body locus, especially BBL's In about 10 SDCM, even more particularly in about 5 SDCM of BBL) light.

Detailed description of the invention

The embodiment of the present invention will only be described now with reference to accompanying schematic figure by way of example, in accompanying schematic figure Corresponding appended drawing reference indicates corresponding component, and in accompanying schematic figure:

Fig. 1 a-1c schematically depicts some embodiments and aspect of lighting unit；And

Fig. 2 a-2b schematically depicts some other embodiments and aspect of light outgoing unit, and wherein Fig. 2 b shows figure The details (modification) of 2a.

Schematic diagram is not drawn necessarily to scale.

Specific embodiment

Solution proposed herein is creation beam shaping element, such as is made in the good thermal conductive material by such as aluminium Embodiment in, be placed on (big) light-emitting area of lamps and lanterns.Therefore, louvred walls can be aluminium etc. (referring also to above). When being ceiling mounted, this surface is generally directed toward room.In embodiment, this beam shaping element can be made so that it with LED is well thermally contacted, and the heat that LED is generated enters beam shaping element.Due to its relatively large surface, may be implemented With the good heat exchange of surrounding air.Element before light-emitting area itself need not have beam shaping feature but it is also possible to be tool There is the decoration element of straight wall, allows light only by the smallest influence.

Fig. 1 a and 1b is schematically depicted with sectional view including for generating the more of lighting unit light 1001 in use Some embodiments of the lighting unit 1000 of a light source 10.In addition, lighting unit 1000 includes for making the lighting unit light The light that 1001 at least part is escaped from lighting unit 1000 is emitted unit 200.

It includes shutter unit 1200 that light, which is emitted unit 200, comprising for carrying out beam shaping to illumination unit light 1001 Multiple shutter cells 210.

Lighting unit includes multiple light sources 10, is configured to provide light source light 11 in light mixing chamber 100.Particularly, light Source includes LED.Here, by way of example, four light sources 100 is depicted only, but can usually obtain more much more light Source, such as at least ten, such as at least 20.

Lighting unit 1000 may include wall elements 120, including light outgoing unit 200 can limit lighting unit 1000. Wall elements 120 including light outgoing unit 200 can limit illuminating chamber 100, such as air guide element 1120(Fig. 1 a).Wall elements 120 and light outgoing unit 200 can also limit surround waveguide 1130 room (Fig. 1 b).Wall elements 120 herein also refer to be shown as side Edge wall elements 123, the second wall elements 122 and the first wall elements 121.

In fig 1 a, edge wall elements 123 define the edge surface 130 that can be reflection.Wall elements 122 limit the second face 112, the second face 112 is also possible to reflection.Wall elements 121 are substantially that light is emitted unit 200, limit light outgoing unit the On one side 1210.This face is also referred to as light-emitting face 1110 in this modification.Here, wall elements limit air guide element 1120, It is mixing chamber 100 herein.In fig 1 a in the embodiment of schematic depiction, the light outgoing unit 200 includes light-emitting face 1110.In this modification, light outgoing the first face of unit 1210(is substantially) it is overlapped with the first face 111 or light-emitting face 1110.

In Figure 1b, wall elements 121,122,123 surround waveguide 1130.Here, waveguide 1130 is mixing chamber 100.Mixing Room is limited by face 110, has the first face 111, the second face 112 and edge surface 130.In this modification, face 112 and 130 can be anti- Penetrate light.It face 111 can be with transmitted light.First face 111 is also indicated as light-emitting face 1110 in this modification.Here, light outgoing is single Member 200 is configured in the downstream in the first face 111 of light mixing chamber 100.In this modification, light be emitted the first face of unit 1210 not with First face 111 or light-emitting face 1110 are overlapped.

In former modification Fig. 1 a, light in air guide element can be via opening (i.e. shutter cell 210) from room Middle evolution.In latter modification Fig. 1 b, the light in waveguide 1130 can be escaped from the first face 111 or light-emitting face 1110, and And then shutter unit 1200 is more particularly via light outgoing unit 200() escaped from lighting unit 1000.

Here, by way of example, the wall of shutter cell 210 is straight.Shutter cell can have height H2 and Length L2.Since length L2 will change on cross section, used here as parameter " equivalent diameter " (referring also to Fig. 1 c).

Room 100 has height H and the first length L1.In addition, lighting unit 1000 has third height H3 and third length L3.As being also applied for third length above for indicated by the first length.Therefore, term " third length " can refer to length, One or more of width, diameter, trans D, conjugate value etc..In length, width, trans D or conjugate value quilt It is selected as in the embodiment of third length, another length can be selected from width, length, conjugate value or lateral length respectively Degree.In other embodiments again, as third length, diagonal line is selected (to be especially configured such that the first face of connection face to face Center and the second face center line perpendicular to long axis and short axle when).

In addition, this schematically shows an embodiment, wherein at least one of face 110 includes being configured to mix in light Close the element 171 that (light source) light is redirected in room 100.These elements are diagrammatically depicted as triangular structure, such as tetrahedron Or triangular ridges.

Again in addition, it further comprises one or more air that these attached drawings, which schematically show wherein lighting unit 1000, The embodiment of opening 341.Air openings 341 may be configured such that be minimized via the evolution of the light of these openings.Particularly, Accumulated cross section of the institute's cumulative cross sectional area (substantially) of this air openings less than the first shutter cell opening 201 Area (evolution for lighting unit light 1001).Air can be taken out via one or more of such air openings It inhales, but can also be aspirated via one or more of shutter cell.In this way, air can scheme in room 100( It flows in 1a) or in lighting unit 1000 and also escapes therefrom, this assists heat management.

Even again in addition, it further comprises being configured to provide for air flowing (in Fig. 1 a that these attached drawings, which are schematically shown, Embodiment in light mixing chamber 100 in) air flowing generating means 300 embodiment.Particularly, air flowing generates Device and one or more air openings 341(are direct) fluid contacts.

Therefore, may exist between room 100 and the outside of lighting unit 1,000 5 and be in fluid communication, wherein lighting unit 1000 outside is indicated with appended drawing reference 5.

Appended drawing reference 201 indicates the first shutter cell opening, and wherein light can enter shutter cell 210, and attached drawing Label 202 indicates the second shutter cell opening, and lighting unit light can be open from the second shutter cell and escape.

Fig. 1 c schematically depicts the possible shutter cell 210 of unrestricted quantity, and wherein embodiment I shows tool Have straight shutter or wall 212(along height) shutter cell 210, and embodiment II is shown with tapered wall 212 Shutter cell 210.The surface of wall can be reflection.For example, wall can be aluminium or can have aluminum cladding or other are anti- Penetrate material or other reflection coating.(referring also to reflecting material above).Wall may include Heat Conduction Material.The width of wall is referred to W1 Show.As shown in Fig. 1 c, embodiment 1, the length L2 or equivalent diameter of shutter cell 210 are constant in height.Another In the embodiment II of a schematic depiction, equivalent diameter increases with the increase of the distance away from the first shutter cell opening 201 Add.Here, wall 212 is taper；This can assist to carry out beam shaping to illumination unit light (beam).Becoming taper is from the second blinds For window cell opening 202 on the direction to the first shutter cell opening 201, the second shutter cell opening 202 is the The downstream of one shutter cell opening, the second shutter cell opening 202 have bigger than the first shutter cell opening 201 Cross section.

Fig. 2 a and 2b schematically depicts the embodiment of light outgoing unit 200 with top view, and light is emitted unit 200 can be with For creating lighting unit.Multiple shutter cells 210 include n subset 205, and each subset 205 includes corresponding m blinds Window cell 210, wherein the shutter cell 210 of each subset 205 is configured as the domain 215 of adjacent shutter cell 210, In corresponding k shutter cell 210 in each domain 215 there is mutually different shutter cell cross section 211.As above It is indicated, especially 3≤n≤100000, wherein 5≤m≤21, and wherein 5≤k≤m.

As can see in fig. 2 a, 215 pattern of domain of primitive rule is created；The shutter cell 210 of hacures refers to Show the pattern in domain 215.In fact, relative to central point P, there is only C1 symmetry.Domain is also shown in more detail in Fig. 2 b.? Here, become taper to be also visible.By way of example, the first equivalent diameter D1 and the second equivalent diameter D2 are depicted, still These may not be in proportion.The width of louvred walls is indicated with W1.This width W1 can change in height, wherein D1 < D2。

In Fig. 2 a-2b, domain is with the structural order of primitive rule.In such embodiments, whole domains can be substantially It is equivalent, wherein multiple shutter cells have mutually different cross section in each domain.In these figures, whole hundred in domain Leaf window cell has mutually different cross section, i.e. it is small to be different from other whole shutters in domain for each shutter cell cross section Whole cross sections in area.If can see in Fig. 2 a-2b, the shutter of cobble plate is obtained, wherein shutter cell configures For a kind of cobble arrangement or structure.In Fig. 2 a-2b, k=m.

As can see in Fig. 2 a-2b, shutter unit 1200 includes the 2D array of shutter cell, shutter cell shape As irregular polygon, each domain includes the polygon of at least three louvred walls 212 with different number, i.e. 5 sides, 6 While and polygon when 7.Louvred walls 212 form close ring 213.Shutter cell is coalescence, in the implementation of schematic depiction The coalescence in essentially identical domain is formed in example.Here, therefore term 2D array not necessarily refers to regular array.On the contrary, its () can With finger-type at the shutter array of cells of (domain) irregular pattern.Therefore, the second shutter cell opening is (here from top See) it is configurable to 2D array, light-emitting area is especially provided during the use of lighting unit.

It will be appreciated by those skilled in the art that term " substantially " here, such as " substantially all light " or " substantially By ... form ".Term " substantially " can also include the embodiment with " entire ", " complete ", " whole " etc..Therefore, In embodiment, adjective can also be substantially removed.Under applicable circumstances, term " substantially " can also relate to 90% Or higher, such as 95% or higher, especially 99% or higher, or even more particularly 99.5% or higher, including 100%.Art Language " comprising " further include wherein term " includes " mean " by ... form " embodiment.Term "and/or" more particularly to One or more of project mentioned before and after "and/or".For example, phrase " project 1 and/or project 2 " and similar short Language can be related to one or more of project 1 and project 2.Term " includes " can refer to " consist of " in one embodiment But it can also refer to " type and other optional one or more types including at least restriction " in another embodiment.

In addition, the term first, second, third, etc. in specification and claims is used to distinguish similar component, without Centainly it is used for description order or chronological order.It is appreciated that the term so used is interchangeable in appropriate circumstances, and The embodiment of the present invention described herein can be to operate except other sequences described herein or explanation.

Here equipment especially (amongst others) is to describe during operation.Such as those skilled in the art it will be clear that , the present invention is not limited to the equipment in operating method or operation.

It should be noted that embodiment mentioned above illustrates and nots limit the present invention, and those skilled in the art will It is enough to design many alternative embodiments without departing from the scope of the appended claims.In the claims, bracket Between any appended drawing reference for placing should not be construed as limitation claim.The use of verb " comprising " and its deformation is not excluded for weighing The presence of element or step except the element or step stated in benefit requirement.Article " one or one " before element is not arranged Except there are multiple such elements.The present invention can be by means of the hardware including several different elements and by means of properly programmed Computer realize.If several in these devices can be by same in the equipment claim for listing equipment for drying A item of hardware embodies.The pure fact for describing certain measures in mutually different dependent claims does not indicate that these are arranged The combination applied cannot be used for benefiting.

The present invention is further applicable to include in the characterising feature for describing and/or being shown in the accompanying drawings in the description One or more equipment.The invention further relates to include the characterization for describing and/or being shown in the accompanying drawings in the description The method or process of one or more of feature.

The various aspects discussed in this patent can be combined in order to provide additional advantage.In addition, those skilled in the art It will be understood that embodiment can be combined, and more than two embodiment can also be combined.In addition, some features can form one The basis of a or multiple divisional applications.

Claims (15)

1. a kind of shutter unit (1200), small including multiple shutters for carrying out beam shaping to illumination unit light (1001) Area (210), wherein the multiple shutter cell (210) includes n subset (205), each subset includes corresponding m blinds Window cell (210),

Wherein the shutter cell (210) of each subset (205) is configured as the domain of adjacent shutter cell (210) (215), wherein the corresponding k shutter cell (210) in each domain (215) has mutually different shutter cell transversal Face (211), wherein 3≤n≤100000, wherein 5≤m≤21, and wherein 5≤k≤m,

Wherein the shutter cell is formed as being defined by the Ne quantity louvred walls (212) for being closed cyclic (213) polygon Shape, wherein for each shutter cell, quantity Ne in the range of 3≤Ne≤10,

Wherein the multiple shutter cell (210) in same domain only has C1 pairs relative to the central point (P) in the domain Title property, and each domain includes the polygon of at least three inconsistent shapes, and

Wherein each shutter cell has corresponding equivalent cross section, the mutual ratio between the equivalent cross section of shutter cell Rate is in the range of 1:2.5.

2. a kind of lighting unit (1000), multiple LED light sources (10) including (i) being used to generate lighting unit light (1001), with And the (ii) light outgoing for escaping at least part of the lighting unit light (1001) from the lighting unit (1000) Unit (200), wherein light outgoing unit (200) includes shutter unit according to claim 1 (1200), it is described Shutter unit is arranged in light outgoing the first face (1210).

3. lighting unit (1000) according to claim 2, wherein the domain (215) is same to each other and regular Ground is arranged in the light outgoing the first face (1210).

4. lighting unit (1000) according to claim 2 or 3, including light mixing chamber (100), wherein the multiple light source (10) it is configured as providing light source light (11) in the light mixing chamber (100), to be used to provide the described lighting unit light (1001), wherein the light mixing chamber (100) includes the conduct for escaping light source light (11) from the light mixing chamber (100) Light is emitted the light-emitting face (1110) of the first face (1210), wherein light outgoing unit (200) includes the light-emitting face (1110), or wherein light outgoing unit (200) configures in the downstream of the light-emitting face (1110).

5. lighting unit (1000) according to claim 4, wherein it is mixed that air guide element (1120) is configured as the light It closes room (100), and wherein the light-emitting face (1110) is included in light outgoing unit (200).

6. lighting unit (1000) according to claim 4, wherein waveguide (1130) is configured as the light mixing chamber (100), wherein the waveguide (1130) includes the light-emitting face (1110), and wherein light outgoing unit (200) is matched Set the downstream in the light-emitting face (1110).

7. the lighting unit (1000) according to any one of preceding claims 4-6, wherein the light mixing chamber (100) Including one or more faces (110) and edge surface (130), wherein the light mixing chamber (100), which has, is less than the light mixing chamber (100) height (H) of the first length (L1).

8. lighting unit (1000) according to claim 7, and wherein, the light mixing chamber (100) has 5≤L1/H ≤ 100 the first length (L1) and the ratio of height (H).

9. the lighting unit (1000) according to any one of preceding claims 7-8, wherein the multiple light source (10) is matched It sets at the edge surface (130), and is configured to supply with the described of the optic axis (O) transverse to the height (H) Light source light (11).

10. the lighting unit (1000) according to any one of preceding claims 7-9, wherein one or more of faces It at least one of (110) include the element for being configured as redirecting light source light (11) in the light mixing chamber (100) (171).

11. the lighting unit (1000) according to any one of preceding claims 2-10, wherein the shutter cell (210) it is configured with pseudo-random patterns or phyllotaxy pattern.

12. the lighting unit (1000) according to any one of preceding claims 2-11, wherein the shutter cell from Second shutter cell opening (202) becomes taper on the direction to the first shutter cell opening (201), wherein described first There is the ratio R 12 within the scope of 0.5-1.1, and R12 ≠ 1 with the second shutter cell opening.

13. the lighting unit (1000) according to any one of preceding claims 2-12, wherein the lighting unit It (1000) include at least ten light source (10), wherein the light source (10) includes solid state light emitter, wherein the shutter cell (210) there is the shutter height (h1) within the scope of 1-100mm, wherein light outgoing unit (200) has cross section Area (1211), wherein light outgoing unit (200) includes cross-sectional area every square centimeter (1211) 0.05-10 range Interior shutter cell (210), wherein occupied by the louvred walls (212) that adjacent shutter cell (210) limits The part of light outgoing unit (200) is selected from the range of the 9-17% of the cross-sectional area (1211).

14. the lighting unit (1000) according to any one of preceding claims 2-13 has lighting unit length (L3) With lighting unit height (H3), wherein the element length (L3) and lighting unit height (H3) have 5≤L3/H3≤100 The ratio of the lighting unit length (L3) and the lighting unit height (H3).

15. the lighting unit according to any one of preceding claims 2-14, wherein the shutter cell has height H2 and equivalent diameter L2, wherein the ratio of H2/L2 >=0.5, preferably >=0.8, more preferably >=1.2, such as H2 / L2 = 1。