CN104865670B - Colour wheel, its assemble method and the light source using the colour wheel - Google Patents

Colour wheel, its assemble method and the light source using the colour wheel Download PDF

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Publication number
CN104865670B
CN104865670B CN201510247118.9A CN201510247118A CN104865670B CN 104865670 B CN104865670 B CN 104865670B CN 201510247118 A CN201510247118 A CN 201510247118A CN 104865670 B CN104865670 B CN 104865670B
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China
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basic unit
distance piece
colour wheel
optical wavelength
wavelength converting
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CN104865670A (en
Inventor
吴希亮
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Shenzhen Appotronics Corp Ltd
Shenzhen Appotronics Technology Co Ltd
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Appotronics Corp Ltd
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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/007Optical devices or arrangements for the control of light using movable or deformable optical elements the movable or deformable optical element controlling the colour, i.e. a spectral characteristic, of the light
    • G02B26/008Optical devices or arrangements for the control of light using movable or deformable optical elements the movable or deformable optical element controlling the colour, i.e. a spectral characteristic, of the light in the form of devices for effecting sequential colour changes, e.g. colour wheels
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/08Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing coloured light, e.g. monochromatic; for reducing intensity of light

Abstract

The present invention provides a kind of colour wheel, its assemble method and the light source using the colour wheel, the colour wheel includes the first basic unit, optical wavelength converting layer and the second basic unit, wherein, the colour wheel further comprises the distance piece for being not less than optical wavelength converting layer with layer arrangement and thickness with optical wavelength converting layer between the first basic unit and the second basic unit.Spacing of the invention between the distance piece for setting thickness to be not less than optical wavelength converting layer with layer with optical wavelength converting layer between the first basic unit and the second basic unit, first and second basic unit is uniform, ensures there is relatively stable light extraction efficiency in the colour wheel course of work;Can also be by adjusting the spacing between first and second basic unit of distance piece thickness adjustment, and then the luminous efficiency of colour wheel can be adjusted.

Description

Colour wheel, its assemble method and the light source using the colour wheel
The Application No. 201110358524.4 that the application submitted for applicant on November 12nd, 2011, denomination of invention For the divisional application of " colour wheel, its assemble method and the light source using the colour wheel ".
Technical field
The present invention relates to illumination and the light sources technical field of display, more particularly to a kind of colour wheel, its assemble method and should With the light source of the colour wheel.
Background technology
At present, projecting apparatus is widely used in the various occasions such as film broadcasting, meeting and publicity.It is well known that projecting In the light source of instrument, through providing sequence of colored lights frequently with colour wheel.Wherein, by not homochromy section of colour wheel in turn and periodically set In on the propagation path of exciting light, and then the optical wavelength conversion material on not homochromy section of colour wheel is excited using exciting light, with Produce the stimulated luminescence of different colours.
Fig. 1 show a kind of existing color block component, including the motor 1 ' that colour wheel 2 ' and driving colour wheel 2 ' rotate, the color Wheel 2 ' includes receiving and transmiting the first optical filter 23 ' of the exciting light of excitation source offer, receives exciting light and turn exciting light It is changed to the optical wavelength conversion material layer 22 ' of stimulated luminescence and transmits the second optical filter 21 ' of stimulated luminescence, the first optical filter 23 ' clamp optical wavelength conversion material layer 22 ' with optical filter 21 ', and existing colour wheel is usually directly to use glue or adhesive tape by light wave The two sides of long transition material layer 22 ' are bonded to the first optical filter 23 ' and the second optical filter 21 ' respectively.The colour wheel of said structure In assembling process, due to controlling the first optical filter and by putting on the pressure between the first optical filter and the second optical filter The spacing of diverse location between two optical filters, in fact it could happen that because causing first and second optical filtering using pressure inequality in assembling process Spacing between the diverse location of piece is uneven, can not clamp optical wavelength conversion material layer 22 ' and make optical wavelength conversion material layer 22 ' is easily mobile, so that the light extraction efficiency of colour wheel is unstable.
In consideration of it, it is necessary to provide a kind of colour wheel, its assemble method and the light source using the colour wheel.
The content of the invention
It is a primary object of the present invention to for above-mentioned the deficiencies in the prior art, propose a kind of colour wheel, its assemble method and It is equal with the spacing between the first basic unit of color wheel and the diverse location of the second basic unit using the light source of the colour wheel.
In order to realize goal of the invention, the present invention uses following technical scheme:A kind of colour wheel, including the first basic unit, light are provided Wavelength conversion layer and the second basic unit, wherein, the colour wheel further comprise between the first basic unit and the second basic unit with light Wavelength conversion layer is arranged with layer and thickness is not less than the distance piece of optical wavelength converting layer, and first basic unit and the second basic unit are not It is equal with the spacing between position.
In order to realize goal of the invention, the present invention also uses following technical scheme:A kind of colour wheel, including the first basic unit, light wave Long conversion layer, the second basic unit, thickness be not less than optical wavelength converting layer distance piece;Its number of assembling steps includes:A) by the interval The one side of piece and first base adhesive;B) by the optical wavelength converting layer and second base adhesive;C) by described in The another side of distance piece and second base adhesive, the distance piece are set with the optical wavelength converting layer with layer.
Compared with prior art, the present invention is by setting thickness to be not less than the distance piece of optical wavelength converting layer, the distance piece Two sides head on the first basic unit and the second basic unit respectively, because the two sides of distance piece are parallel to each other, thus the first basic unit with Second basic unit is also parallel to each other, so as to equal with the spacing of each position between the first basic unit and the second basic unit of color wheel so that First basic unit and the second basic unit can clamp optical wavelength converting layer relatively stablely, more steady so as to ensure to have in the colour wheel course of work Fixed light extraction efficiency.
Brief description of the drawings
Fig. 1 is a kind of profile of existing color block component;
Fig. 2 is the profile of the color block component first embodiment of the present invention;
Fig. 3 is the distance piece and the top view of optical wavelength converting layer arrangement of colour wheel shown in Fig. 2.
Fig. 4 is the schematic diagram of one of the first distance piece implementation in Fig. 2;
Fig. 5 is two schematic diagram of the first distance piece implementation in Fig. 2;
Fig. 6 is three schematic diagram of the first distance piece implementation in Fig. 2.
Fig. 7 is the schematic diagram of one of the second distance piece implementation in Fig. 2;
Fig. 8 is two schematic diagram of the second distance piece implementation in Fig. 2;
Fig. 9 is three schematic diagram of the second distance piece implementation in Fig. 2;
Figure 10 is four schematic diagram of the first distance piece implementation in Fig. 9;
Figure 11 is five schematic diagram of the first distance piece implementation in Fig. 9;
Figure 12 is four schematic diagram of the second distance piece implementation in Fig. 9;
Figure 13 is five schematic diagram of the second distance piece implementation in Fig. 9;
Figure 14 is six schematic diagram of the second distance piece implementation in Fig. 9;
Figure 15 is seven schematic diagram of the second distance piece implementation in Fig. 9;
Figure 16 is the profile of the color block component second embodiment of the present invention;
Figure 17 is the top view that the distance piece of colour wheel shown in Figure 16 is arranged with optical wavelength converting layer and scattering sheet.
Figure 18 is the flow chart of the colour wheel assemble method of the embodiment of the present invention.
Embodiment
Below, the present invention is expanded on further in the specific embodiment with reference to shown in accompanying drawing.
Fig. 2 and Fig. 3 are referred to, Fig. 2 is the profile of the color block component first embodiment of the present invention, and color block component includes color The motor 1 that wheel 2 and driving colour wheel 2 rotate.The colour wheel 2 includes the first basic unit 23 and the second basic unit 21 being stacked, and The optical wavelength converting layer 22 and distance piece being clipped between the first basic unit 23 and the second basic unit 21.
Optical wavelength converting layer 22 is overall in annular shape, including at least one section (not indicating), and being set on each section can Excite the optical wavelength conversion material of the stimulated luminescence of the color different from other sections.Optical wavelength conversion material include fluorescent material, Fluorescent dye, nano material etc..The exciting light that optical wavelength converting layer 22 can also include at least one no material for transformation of wave length is saturating Penetrate section.
Colour wheel generally comprises transmission-type colour wheel and reflective colour wheel.When from transmission-type colour wheel, exciting light biography is arranged on Transmission exciting light can be selected and reflect the first optical filter of stimulated luminescence by broadcasting the first basic unit 23 on path;Second basic unit 21 can From TEM investigation and the stimulated luminescence of the different colours of different wave length conversion section on colour wheel or corresponding no material for transformation of wave length The exciting light for exciting transmitance region the second optical filter.
When from reflective colour wheel, it is arranged on and excites the second basic unit 21 on propagation path of light that transmission exciting light can be selected With the 3rd optical filter of the stimulated luminescence of the different colours of corresponding colour wheel difference section, reflector plate can be selected in the first basic unit 23.
First basic unit 23 and the second basic unit 21 can not also possess optical filtering or light-reflecting property, now, can be as needed the Optical filter or reflector plate are set up outside one basic unit or the second basic unit.
The two sides of distance piece are parallel to each other.Distance piece should select that hardness is big, is unlikely to deform and material that compressive resistance is strong, example Such as sheet metal.Distance piece is set with optical wavelength converting layer 22 with layer, and the thickness of distance piece is not less than optical wavelength converting layer 22 Thickness.It is close to the first basic unit 23 and the second basic unit 21 respectively in distance piece two sides.In the present embodiment, the two sides point of distance piece The first basic unit 23 and the second basic unit 21 are not bonded to by mode for dispensing glue.Fig. 3 is refer to, the distance piece includes being located at light wave First distance piece 25 of long conversion layer outer ring and the second distance piece 24 positioned at optical wavelength converting layer center.The He of first distance piece 25 The thickness of second distance piece 24 is identical, forms air-gap 26 therebetween, and optical wavelength converting layer 22 is located in the air-gap 26.Institute The thickness for stating the first distance piece 25 and the second distance piece 24 is 0.02~0.30 millimeter.
Generally, the thickness of distance piece is more than the thickness of optical wavelength converting layer 22.Positioned at the first basic unit 23 and second Optical wavelength converting layer between basic unit 21 may be connected to the first basic unit 23 or the second basic unit 21.When the thickness of distance piece is more than light wave During the thickness of long conversion layer, if optical wavelength converting layer is connected to the first basic unit 23 away from outgoing optical interface, turn in optical wavelength To change between the basic unit 21 of layer 22 and second and form air-gap, the presence of the air-gap not only improves the radiating of optical wavelength converting layer 22, The stimulated luminescence that and can is emitted the wide-angle incided in air-gap by optical wavelength converting layer conversion enters the second basic unit Reflecting into the emergent light outgoing of low-angle afterwards makes the etendue of stimulated luminescence diminish, bright so as to improve the outgoing of stimulated luminescence Degree.The big I of air-gap is regulated and controled by adjusting the thickness difference between distance piece and optical wavelength converting layer 22.
When the thickness of distance piece is more than the thickness of optical wavelength converting layer, if optical wavelength converting layer 22 is connected to the second basic unit 21, then form air-gap between the basic unit 23 of optical wavelength converting layer 22 and first.The presence of the air-gap has to be turned beneficial to optical wavelength Change the radiating of layer 22.
The present embodiment show the situation that optical wavelength converting layer is connected to the second basic unit 21, and basis specifically makes in practical application It can also select optical wavelength converting layer being connected to the first basic unit 23 with demand or be not attached to any basic unit.Work as light wavelength conversion , can be by applying central glue by the first basic unit 23, second in the circle ring center of optical wavelength converting layer 22 when layer 22 is not connected with basic unit The inner ring of basic unit 21 and optical wavelength converting layer is connected so as to ensure that optical wavelength converting layer 22 will not alter in either direction in the colour wheel It is dynamic;In the present embodiment, because the center of optical wavelength converting layer 22 is provided with the second distance piece 24, central glue is coated in the outer of the second distance piece Layer.The connection of the basic unit 23 of optical wavelength converting layer 22 and first or the second basic unit 21 can be by mode for dispensing glue by optical wavelength converting layer It is bonded in the first basic unit 23 or the second basic unit 21.
Fig. 4~Fig. 6, Figure 10~Figure 11 are the embodiment of the first distance piece 25 in the present embodiment.Positioned at optical wavelength The first distance piece 25 of the outer ring of conversion layer 22 is overall in circular or similar circular, including overall annulus as shown in Figure 4, by Multiple first fragments mosaicings shown in Fig. 6 form and three kinds of situations of not closed circular ring plate provided with opening.First interval Piece inner space size is depending on actual conditions, generally, described circular or similar the first circular distance piece 25 Internal diameter be equal to optical wavelength converting layer 22 external diameter.
The cross section of the first fragment shown in Fig. 6 is annulus section, and in practical application, the cross section of the first fragment can also be Other shapes, such as the concave polygon such as the convex polygon such as triangle, trapezoidal, square, star, circular, ellipse, crescent The closed figure surrounded Deng camber line, and closed figure collectively formed by straightway and camber line etc..Existed by the first fragments mosaicing Size, the shape of the first fragment in the splicing annulus formed together can be different.First be made up of multiple first fragments Distance piece includes at least two first fragments;It can abut or separate mutually between the first adjacent fragment.
Dispensing is convenient during in order to which the first distance piece 25 being assembled into first and second basic unit 23,21, can the overall annulus, It is overall through heading on the first basic unit 23 and the two sides of the second basic unit 21 open up the first aperture not on closed circle or the first fragment The example that the first aperture is opened up on annulus refer to Fig. 5, and the example that the first aperture is not opened up on closed circle refer to Figure 11;Institute State the first aperture a diameter of 1.0~1.5 millimeters.
Fig. 7~Fig. 9, Figure 12~Figure 15 are the embodiment of the second distance piece of the present embodiment 24.Turn positioned at optical wavelength Changing the second distance piece 24 of the inner ring of layer 22 includes solid disk as shown in Figure 7, shown in hollow disk-shaped, Figure 12 as shown in Figure 8 Hollow disk-shaped and the second fragment for open up the solid disk 12 of otch from the center of circle, opening up otch shown in Figure 15 from the center of circle (is not schemed Show) several situations.The shape of the second fragment is not limited in the present embodiment;When the second distance piece 24 is the second fragment, bag The situation that the second distance piece 24 is directly constituted by second fragment is included, also includes the fragment of two or more second and is combined jointly Form the situation of the second distance piece;When collectively constituting the second distance piece by multiple second fragments, form between second together Partition size, shape can be different.Generally, the size of the second distance piece 24 and the internal diameter phase of optical wavelength converting layer 22 Match somebody with somebody;When the second distance piece 24 is solid disk or is hollow disk-shaped, the diameter of the second distance piece 24 is equal to optical wavelength converting layer 22 Internal diameter.
Dispensing is convenient during in order to which the second distance piece 24 being assembled into first and second basic unit 23,21, can it is described it is hollow disk-shaped, Solid disk, the solid disk for opening up from the center of circle otch, open up from the center of circle the hollow disk-shaped of otch, on the second fragment through heading on First basic unit 23, the two sides of the second basic unit 21 open up second orifice, it is hollow disk-shaped on open up the example of second orifice and refer to Fig. 9, the example that the solid disk of otch is opened up from the center of circle refer to Figure 13, and the hollow disk-shaped example that otch is opened up from the center of circle please With reference to figure 14;A diameter of 1.0~1.5 millimeters of the second orifice.
Fixation between distance piece and first and second basic unit 23,21 can also have other in addition to the point glue sticking being previously mentioned Fixed form, for example, stator is mechanically attached into first and second basic unit 23,21, or in the outer of first and second basic unit 23,21 Zhou Zengjia fixing devices etc..
In the present embodiment, by setting thickness to be not less than the distance piece of optical wavelength converting layer, the two sides point of the distance piece The first basic unit 23 and the second basic unit 21 are not headed on, because the two sides of distance piece are parallel to each other, therefore the first basic unit and the second base Layer is also parallel to each other, so as to equal with the spacing of each position between the first basic unit and the second basic unit of color wheel so that the first base Layer can clamp optical wavelength converting layer relatively stablely with the second basic unit, so as to ensure to have in the colour wheel course of work that relatively stablizes to go out Light efficiency.Can also be by adjusting the spacing size between first and second basic unit 23,21 of distance piece thickness adjustment.Moreover, pass through The setting of inside and outside two circles distance piece, makes each several part of the first basic unit and the second basic unit obtain than more uniform support force, Ke Yiyou Effect avoids first and second basic unit 23,21 of the more crisp material such as tool pressure break glass in assembling process.
Refer to Figure 16 and Figure 17, Figure 16 is the profile of the color block component second embodiment of the present invention, color block component bag The motor 1 for including colour wheel 2 and driving colour wheel 2 to rotate.The colour wheel 2 includes the first basic unit 23 and the second basic unit 21 being stacked, And it is clipped in optical wavelength converting layer 22 and distance piece between the first basic unit 23 and the second basic unit 21.Optical wavelength converting layer 22 connects To the second basic unit 21, the first basic unit 23 and the second basic unit 21 are close in distance piece two sides respectively.
Different from first embodiment, the optical wavelength converting layer 22 in the present embodiment is incomplete annular shape.Optical wavelength turns Changing layer 22 includes at least one section (not shown), and setting on each section can excite the color different from other sections to be excited Luminous optical wavelength conversion material.In second basic unit 21 not by optical wavelength converting layer cover region be transmissive exciting light swash Luminous transmission area (not indicating).
Figure 16 and Figure 17 are refer to, the distance piece includes the first distance piece 25 and the second distance piece 24.One scattering sheet 26 It is placed on and excites transmitance region, scattering sheet 26 and optical wavelength converting layer 22 is spliced to form annulus, and the annulus is positioned at the first interval Between the distance piece 24 of piece 25 and second;The thickness of scattering sheet 26 is not more than the thickness of distance piece 24,25.
First distance piece 25 is the periphery of the annulus spliced positioned at scattering sheet 26 and optical wavelength converting layer 22;Between second Partition 24 is the inside of the annulus spliced positioned at scattering sheet 26 and optical wavelength converting layer 22.First distance piece 25 and the second distance piece 24 specific implementation means are consistent in implementing with the first of color block component of the present invention.
What both examples above was all enumerated is the example of the circular colour wheel to move in a circle, in order to obtain more excellent use Effect adds inside and outside two circles distance piece between first and second basic unit of colour wheel, not only makes first and second basic unit of same color wheel Between spacing at diverse location it is equal and spacing dimension can be adjusted by adjusting the thickness of distance piece;Simultaneously can be in assembling The basic unit of tool pressure break first and second is avoided, improves yield rate.So in practical application, in order that first and second basic unit with color wheel Between spacing at diverse location it is equal, it is only necessary to use one in first and second distance piece mentioned above.Inside, In outer two distance pieces, the second distance piece of outer ring is preferably placed at, because outer ring distance piece can be provided preferably between two basic units Even spacing.
Similarly, distance piece can be applied in the rectangle colour wheel of linear movement.For example increase on the periphery of rectangle colour wheel The distance piece of one substantially rectangular frame-shaped, the distance piece is clipped in the periphery of wavelength conversion layer between first and second basic unit, just The equal requirement of spacing between the first basic unit and the second basic unit of same rectangle colour wheel at diverse location can be reached.
Figure 18 is refer to, the present invention also provides a kind of assemble method of colour wheel, entered by taking the colour wheel of first embodiment as an example Row explanation.
Colour wheel includes the first basic unit 23, the second basic unit 21, optical wavelength converting layer 22, distance piece.Distance piece is included between first The distance piece 25 of partition 24 and second.Figure 16 is the flow chart of colour wheel assemble method first embodiment.Comprise the following steps:
S1, by the one side of the distance piece and first base adhesive.
Wherein, the opening position at the close edge one side of the first distance piece being bonded in the first basic unit, the second interval The one side of piece is bonded in the center position of the first basic unit;By the one side of the first distance piece, the one side of the second distance piece It is bonded to respectively in the bonding process of the first basic unit, the thickness of control bonding glue is no more than 0.01 millimeter.
S2, the optical wavelength converting layer is bonded to second basic unit.
In this step, when optical wavelength converting layer being bonded into the second basic unit by mode for dispensing glue.During dispensing, control bonding A diameter of 1.0~1.5 millimeters of point.
In fact, points of the step S1 and step S2 without priority, while carry out or change precedence.
S3, by the another side of the distance piece and second base adhesive, the distance piece and optical wavelength converting layer It is distributed with layer.
In the step, by the another side of first distance piece bonding on the second substrate close to the opening position at edge, The another side of second distance piece is bonded in the center position of the second basic unit;Shape between first distance piece and the second distance piece Into air-gap, optical wavelength converting layer is located in the air-gap.By the another side of the first distance piece, the second distance piece it is another Side is bonded in the bonding process of the second basic unit respectively, and the thickness of control bonding glue is no more than 0.01 millimeter.
Compared with prior art, colour wheel, the gap between the first basic unit 23 and the second basic unit 21 are assembled by the above method Uniformly and assemble method is simple, and assembling process is controllable, and packaging efficiency is higher.
The first embodiment of above-mentioned colour wheel assemble method is that optical wavelength converting layer 22 is connected to the situation of the first basic unit 23. The first basic unit in foregoing colour wheel assemble method and the second basic unit are exchanged, then are connected to the second basic unit for optical wavelength converting layer 22 Embodiment.
The present invention also provides a kind of embodiment of light source.
The light source includes excitation source and the colour wheel as described in above-mentioned embodiment.The excitation source can be laser light Source;It can also be semiconductor light source, such as light emitting diode (Light Emitting Diode, LED) light source.The excitation source Emit beam and be incident to colour wheel to produce exciting light.
Compared with prior art, the present invention is by setting thickness to be not less than the distance piece of optical wavelength converting layer, the distance piece Two sides head on the first basic unit and the second basic unit respectively, because the two sides of distance piece are parallel to each other, thus the first basic unit with Second basic unit is also parallel to each other, so as to equal with the spacing of each position between the first basic unit and the second basic unit of color wheel so that First basic unit and the second basic unit can clamp optical wavelength converting layer relatively stablely, more steady so as to ensure to have in the colour wheel course of work Fixed light extraction efficiency.
The preferred embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize this hair The equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills Art field, is included within the scope of the present invention.

Claims (13)

1. a kind of colour wheel, including the first basic unit, optical wavelength converting layer and the second basic unit being cascading, its feature exist In the colour wheel further comprises the interval arranged between the first basic unit and the second basic unit with optical wavelength converting layer with layer Piece, the two sides of the distance piece head on the first basic unit and the second basic unit respectively, optical wavelength converting layer at least with the first basic unit and One layer is bonded by dispensing mode in second basic unit;The thickness of the distance piece is not less than the thickness of optical wavelength converting layer;It is described Optical wavelength converting layer comprises at least a section, and setting on each section can excite the color different from other sections to be stimulated The optical wavelength conversion material of light.
2. colour wheel as claimed in claim 1, it is characterised in that:The distance piece thickness is more than the thickness of optical wavelength converting layer.
3. colour wheel as claimed in claim 2, it is characterised in that:The distance piece includes the positioned at optical wavelength converting layer periphery One distance piece.
4. colour wheel as claimed in claim 3, it is characterised in that:In a ring, the distance piece also wraps the optical wavelength converting layer Include the second distance piece positioned at the annular center.
5. colour wheel as claimed in claim 4, it is characterised in that:Second distance piece is equal with the first distance piece thickness.
6. colour wheel as claimed in claim 3, it is characterised in that:First distance piece is that a circular ring plate or one set the circle of opening Ring plate or at least two section of first fragment, at least two section of first fragments mosaicing form splicing annulus together, wherein, it is adjacent Abut or separate mutually between first fragment.
7. colour wheel as claimed in claim 4, it is characterised in that:Second distance piece is that a disk or one open up from the center of circle and cut Mouthful disk or at least two second fragments, at least two second fragments collectively constitute the interior of size and the optical wavelength converting layer Footpath matches the second distance piece.
8. the colour wheel as described in claim 1-7 any one, it is characterised in that:The distance piece is sheet metal.
9. the colour wheel as described in claim 1-7 any one, it is characterised in that:The distance piece thickness is 0.02~0.30 milli Rice.
10. the colour wheel as described in claim 1-7 any one, it is characterised in that:The two sides of the distance piece are bonded respectively In the first basic unit, the second basic unit.
11. colour wheel as claimed in claim 10, it is characterised in that the two sides of the distance piece are bonded in first by dispensing In basic unit, the second basic unit.
12. colour wheel as claimed in claim 11, it is characterised in that:The distance piece, which runs through, heads on the first basic unit and the second basic unit Two sides be provided with aperture.
13. colour wheel as claimed in claim 12, it is characterised in that:A diameter of 1.0~1.5 millimeters of the aperture.
CN201510247118.9A 2011-11-12 2011-11-12 Colour wheel, its assemble method and the light source using the colour wheel Active CN104865670B (en)

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