CN207164363U - The light-source system of colour wheel and the application colour wheel, optical projection system - Google Patents
The light-source system of colour wheel and the application colour wheel, optical projection system Download PDFInfo
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- CN207164363U CN207164363U CN201720909356.6U CN201720909356U CN207164363U CN 207164363 U CN207164363 U CN 207164363U CN 201720909356 U CN201720909356 U CN 201720909356U CN 207164363 U CN207164363 U CN 207164363U
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Abstract
It the utility model is related to the light-source system of a kind of colour wheel and the application colour wheel, optical projection system, the colour wheel includes the prebasal plate and metacoxal plate allowed light through, and the spectro-film that order is placed between prebasal plate and metacoxal plate, first low-index layer, fluorescent film, 2nd index layer and filter coating, spectro-film transmits the first light and the second light of reflection, fluorescent film includes at least one first coloured light area, first coloured light area absorbs the first light to generate the second light, filter coating includes the corresponding first coloured light area of at least one first transparent area, first transparent area allow the second light or by the 3rd light that the second light separates by and reflect other light.It is high using the utility model, the efficiency of light energy utilization.
Description
Technical field
It the utility model is related to field of projection display, more particularly to the light-source system of a kind of colour wheel and the application colour wheel,
Optical projection system.
Background technology
Refer to shown in Fig. 1, be a kind of Rotating fields schematic diagram of colour wheel of the prior art.The colour wheel includes a glass
Lamella 11, a fluorescence coating 12 and a filter layer 13.Wherein fluorescence coating 12 is coated on a surface of glass stratum 11, is filtered
Lamella 13 is arranged on fluorescence coating 12.Exciting light penetrates glass stratum 11 and reaches fluorescence coating 12, and fluorescence coating 12 absorbs exciting light simultaneously
Stimulated light is produced, because stimulated light follows lambertian distribution, it can be emitted towards surrounding, therefore except a part of transmission filter layer
Outside, another part stimulated light can be emitted from the light incident side of exciting light, so as to cause to be excited light loss, cause light utilization efficiency low.
Utility model content
In view of above-mentioned condition, the utility model provide a kind of efficiency of light energy utilization high colour wheel, light-source system and optical projection system.
On the one hand, the utility model provides a kind of colour wheel, the colour wheel include the prebasal plate that allows light through and metacoxal plate,
And order be placed between the prebasal plate and metacoxal plate spectro-film, the first low-index layer, fluorescent film, the 2nd refractive index
Layer and filter coating, the spectro-film transmit the first light and the second light of reflection, and the fluorescent film includes at least one first coloured light area, institute
State the first coloured light area and absorb the first light to generate the second light, the filter coating corresponds to described first including at least one first transparent area
Coloured light area, first transparent area allow the second light or by the 3rd light that the second light separates by and reflect other light, wherein, not
At least partly reflected, via second low-refraction by first transparent area by the first light that the first coloured light area absorbs
Floor enters the first coloured light area, is absorbed by the first coloured light area and generates the second light again, second light is by described point
The reflection of light film, enter the first coloured light area via first low-index layer, then via the first coloured light area with it is described
Second low-index layer reaches first transparent area, and first transparent area transmits second light or will separated in the second light
3rd light simultaneously transmits the 3rd light.
On the other hand, the utility model also provides a kind of light-source system, the light-source system include luminescence unit and on
Colour wheel is stated, the monochromatic light that the luminescence unit is sent is converted into polychromatic light by the colour wheel and is emitted.
Another further aspect, the utility model also provide a kind of optical projection system, and the optical projection system includes above-mentioned light-source system
And spatial light modulator and projection lens, modulated from the polychromatic light of light-source system outgoing via the spatial light modulator
Into the image light for carrying image information, described image light is emitted to a screen via the projection lens.
The advantages of colour wheel, light-source system and optical projection system that the utility model embodiment provides, is：Inside colour wheel
Low-index layer is provided with there is provided spectro-film and between fluorescent film and spectro-film and filter coating, so that by fluorescent film
And do not reflected by the first luminous energy that fluorescent film absorbs by filter coating, again pass by fluorescent film and absorbed and produce the again
Two light, the caused second light film that can at least partly be split is reflected back fluorescent film again, and is emitted through fluorescent film and filter coating,
Or the 3rd light is separated by caused second light again, the 3rd light is emitted via filter coating, therefore, improves light utilization efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of color wheel in the prior art.
Fig. 2 is a kind of structural representation of the colour wheel of embodiment of the utility model.
Fig. 3 is the sector division schematic diagram of fluorescent film in colour wheel shown in Fig. 2.
Fig. 4 is the sector division schematic diagram of filter coating in colour wheel shown in Fig. 2.
Fig. 5 is that stimulated light is emitted schematic diagram when fluorescent film is directly bonded with filter coating.
Fig. 6 is that fluorescent film is emitted schematic diagram with stimulated light when blue anti-yellow film is directly bonded thoroughly.
Fig. 7 is the block diagram of the light-source system in a kind of embodiment of the utility model.
Fig. 8 is the block diagram of the optical projection system in a kind of embodiment of the utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model
The implication that the technical staff in domain is generally understood that is identical.Term as used herein " and/or " include one or more related institutes
The arbitrary and all combination of list of items.
Refer to shown in Fig. 2, be a kind of structural representation of embodiment of the utility model colour wheel.The colour wheel 2 from
(not shown) substantially in the form of annular discs is seen in front with the back side, including one is arranged at positive sapphire sheet 21 and one and is arranged at the back side
Sheet glass 22.From the side, it is spaced apart between the sapphire sheet 21 and sheet glass 22.In the intermediate region of colour wheel 2, Lan Bao
Adhesive linkage 23 is set between flag 21 and sheet glass 22, it is Nian Jie solid by adhesive linkage 23 between sapphire sheet 21 and glass stratum 22
It is fixed.In the neighboring area of colour wheel 2, sapphire sheet 21 is provided with an anti-reflection film 24, sapphire sheet 21 away from the side of sheet glass 22
Saturating blue anti-yellow film 25, a fluorescent film 26 and a filter coating 27 has been set gradually between sheet glass 22.Wherein anti-reflection film 24, thoroughly
Blue anti-yellow film 25, fluorescent film 26 and filter coating 27 are substantially in annular shape, so as to be circumferentially positioned at the peripheral region of colour wheel 2
Domain, anti-yellow film 25 is stacked and placed in sapphire sheet 21 indigo plant thoroughly, and filter coating 27 is stacked and placed on sheet glass 22, fluorescent film 26 and blue anti-Huang thoroughly
Be spaced apart between film 25, filter coating 27, in the present embodiment, fluorescent film 26 and blue anti-yellow film 25, filter coating 27 thoroughly it
Between substantially separate 10 μm, in fluorescent film 26 and thoroughly it is blue anti-be respectively provided between yellow film 25, filter coating 27 dry glass frit layer 28,
29, also substantially 10 μm of the thickness of each dry glass frit layer 28,29, so that sapphire sheet 21 and sheet glass 22 are to fluorescent film 26
Physically play support or clamping action.
In the present embodiment, resin and glue are included in fluorescent film 26, therefore dry glass frit layer 28,29 can pass through spraying
The both sides of fluorescent film 26 are adsorbed in respectively, so as to play certain induration to fluorescent film.
In the present embodiment, substantially 100 μm of the thickness of fluorescent film 26.
Refer to shown in Fig. 3, fluorescent film 26 has set gradually red light district 261, green Region 262, blue light along its circumferencial direction
Area 263 and yellow light area 264.Wherein red light district 261 is mixed to form with yellow light area 264 by resin, glue and yellow fluorescent powder, green glow
Area 262 is mixed to form by resin, glue and green emitting phosphor, and blue light region is mixed to form by resin, glue and scattering powder.In this reality
Apply in mode, red light district 261, green Region 262, central angle corresponding to blue light region 263 and yellow light area 264 are respectively 115 degree, 92
Spend, 70 degree, 83 degree.
Refer to shown in Fig. 4, red light district 261, green Region 262, blue light region 263 and yellow light area 264 on corresponding fluorescent film 26
Setting, filter coating 27 along its circumferencial direction set gradually saturating red light district 271, saturating green Region 272, anti-reflection area 273 with it is thoroughly yellow
Light area 274, in the present embodiment, saturating red light district 271 is provided with saturating feux rouges film, saturating green Region 272 is provided with the light film that reveals the green, increases
Saturating area 273 is provided with anti-reflection film, saturating yellow light area 274 is provided with saturating gold-tinted film.
In the present embodiment, because dry glass frit layer 28,29 is by the way that dry glass particle is adsorbed on fluorescent film 26
Formed, therefore dry glass frit layer 28 and saturating indigo plant instead have air-gap between yellow film 25, fluorescent film 26 and filter coating 27.Due to saturating
Blue anti-yellow film 25 and the presence of air-gap, can be re-used and finally through optical filtering by the light part that filter coating 27 reflects
Film 27 is emitted with sheet glass 22, so as to improve light utilization efficiency.Below with blue light, be specially blue laser light incident colour wheel 2, via colour wheel
Illustrate the optical effect of colour wheel 2 exemplified by 2 generation feux rouges.
Exciting light blue light transmits anti-reflection film 24, sapphire sheet 21, blue anti-yellow film 25, and pass through air-gap and dry glass thoroughly successively
Glass bisque 28, fluorescent film 26 is exposed to, excite the yellow fluorescent powder in the red light district 261 of fluorescent film 26 to produce stimulated light gold-tinted.From
The gold-tinted that fluorescent film 26 is emitted is at least partially through the saturating red light district that filter coating 27 is exposed to after air-gap and dry glass frit layer 29
271, gold-tinted is divided into feux rouges and green glow, further transmissive glass piece 22 and is emitted, green glow wherein after red transmission filter coating 27
And unabsorbed blue light is reflected by the saturating red light district 271 of filter coating 27.The blue light reflected excites after fluorescent film 26
Fluorescent film 26 produces gold-tinted again, and caused gold-tinted exposes to blue anti-yellow after overdrying glass frit layer 28 and air-gap again
Film 25, after blue anti-yellow film 25 reflects thoroughly, then via dry glass frit layer 28, fluorescent film 26 and dry glass frit layer 29, at least portion
Lease making is emitted by the saturating red light district 271 and sheet glass 22 of filter coating 27, so as to improve the feux rouges brightness of outgoing, is improved light and is utilized
Rate.
In the above-described embodiment, it is not to paste completely between glass frit layer 29 and fluorescent film 26 and filter coating 27 to do
Close.Between dry glass frit layer 29 and fluorescent film 26, have in dry glass frit layer 29 between some dry glass particles and fluorescent film 26
Fitting contact, and in addition to the region that these dry glass particles contact with fluorescent film 26, do most of region of glass frit layer 29
Air-gap is formed between fluorescent film 26, due to both air (refractive index 1) and fluorescent film 26 (refractive index is 1.5~1.8)
Refractive index farther out, therefore the light of large angle incidence meeting when reaching the junctional interfaces of fluorescent film 26 and dry glass frit layer 29
It is totally reflected.Similarly, do between most of region of glass frit layer 29 and filter coating 27 and form air-gap, due to air and filter
The refractive index of both light films 27 farther out, therefore reaches filter coating 27 and dry glass frit layer 29 in the light of large angle incidence
It can be totally reflected during junctional interfaces.Fluorescent film 26 is directly bonded with filter coating 27 in this way, avoiding, due to fluorescent film 26 with
Both filter coatings 27 refractive index close and allow incident light to be emitted through filter coating 27 with sheet glass 22, so as to make not by fluorescent film
26 blue light components absorbed reflex to fluorescent film 26 by filter coating 27, and are absorbed by fluorescent film 26 and produce gold-tinted again.It please join
Read shown in Fig. 5, if not plus doing glass frit layer 29 between fluorescent film 26 and filter coating 27 and being directly bonded, feux rouges is emitted in colour wheel 2
Period, green glow or filter coating 27 can not penetrated by the blue light that fluorescent film 26 absorbs and be further transmitted through sheet glass 22, at least portion
Green glow or blue light is divided to be emitted from the periphery of sheet glass 22, so as to not reach the effect of reflection blue light and green glow.And if in glass
Side of the piece 22 away from filter coating 27 sets anti-reflection film, then can more cause some blue light and green glow from sheet glass 22 away from filter coating
27 sides are emitted, and also do not reach the effect of reflection blue light and green glow.
Similarly, dry glass frit layer 28 is set between blue anti-yellow film 25 in fluorescent film 26 and thoroughly, due to air and fluorescent film 26
And thoroughly the refractive index between blue anti-yellow film 25 farther out, therefore avoid by saturating blue anti-yellow film 25 and fluorescent film 26 directly against
Close, allow incident light to be emitted through blue anti-yellow film 25 thoroughly with sapphire sheet 21 due to the two refractive index close, so as to make fluorescence
Caused gold-tinted can be reflected and is finally emitted from filter coating 27 film 26 by saturating blue anti-yellow film 25 again, to improve light utilization efficiency.Please
If as shown in fig.6, it is not provided with dry glass frit layer 28 between fluorescent film 26 and blue anti-yellow film 25 thoroughly and is directly bonded, in sapphire
In the case that piece 21 is away from the blue anti-yellow side of film 25 is not provided with anti-reflection film 24 thoroughly, some yellow light goes out from the periphery of sapphire sheet 21
Penetrate and lose.In the case where sapphire sheet 21 is away from the blue anti-yellow side of film 25 sets anti-reflection film 24 thoroughly, at least part gold-tinted
Anti-reflection film 24 can be penetrated further into and lost.And sapphire sheet 21 and the position of blue anti-yellow film 25 thoroughly are exchanged, based on same
Principle, stimulated light can equally lose.
Therefore, the dry glass frit layer 28,29 of low-refraction is set in the both sides of fluorescent film 26, beneficial to not absorbed by fluorescent film 26
Blue light can be reflected back toward fluorescent film 26 again, fluorescent film 26 is produced gold-tinted again, caused gold-tinted is at least partly again
It can be reflected and be emitted feux rouges eventually through filter coating 27 and sheet glass 22, so as to improve feux rouges brightness, lifting light utilization efficiency.
On the other hand, it is glimmering caused by inside fluorescent film 26 because the refractive index of fluorescent film 26 and air-gap is larger
When light is emitted to the junctional interfaces of fluorescent film 26 and air-gap with wide-angle, fluorescence can reflect, and the fluorescence of low-angle is then
It is emitted from fluorescent film 26, so that from fluorescent film 26 close to the fluorescence major part that the side of filter coating 27 is emitted and exciting light incidence
Direction is roughly the same, and from fluorescent film 26 close to the most of side incident with exciting light of fluorescence of the blue anti-yellow side of film 25 outgoing thoroughly
To substantially opposite, from fluorescent film 26 close to the fluorescence of the blue anti-yellow side of film 25 outgoing thoroughly reflected through anti-blue thoroughly yellow film 25 after it is further
Penetrate fluorescent film 26 and be emitted from fluorescent film 26 close to the side of filter coating 27.Therefore, the presence of air-gap contributes to more glimmering
Light from fluorescent film 26 close to the side of filter coating 27 with exciting light incident direction substantially common direction be emitted, contribute to fluorescence
Collect, improve light utilization efficiency.
Similarly, the brightness of green glow and the equal green glow and gold-tinted that can improve outgoing of gold-tinted is produced via colour wheel 2 with blue light.
It is appreciated that in other embodiments, fluorescent film 26 can be by being sintered after fluorescent material and glass dust mixing and
Into being placed on a substrate and be sintered after mixing fluorescent material and glass dust, after sinter molding, then by substrate and fluorescent film 26
Separation.
It is appreciated that in other embodiments, blue anti-yellow film 25 can only allow the incident blue light of low-angle to transmit thoroughly,
Such as only allow to transmit in the blue light within 0 to 20 degree with the blue anti-yellow optical axis of film 25 thoroughly.
It is appreciated that in other embodiments, doing glass frit layer 28 and 29 can also be with other low-index layer for example
Porous silicon dioxide layer substitutes, and the refractive index of low-index layer is below 1.3, it is preferred that below 1.2.
It is appreciated that in other embodiments, anti-reflection film is may also set up in side of the sheet glass 22 away from fluorescent film 26.
It is appreciated that in other embodiments, the thickness of dry glass frit layer 28,29 is not limited to 10 μm, can be less than
50 μm of any values, preferably 10-15 μm.The thickness of fluorescent film 26 is also not necessarily limited to 100 μm, can be any value less than 200 μm.
It is appreciated that red light district 261, green Region 262, blue light region 263 and the center of circle corresponding to yellow light area 264 on fluorescent film 26
Angle number can be changed according to being actually needed.
It is appreciated that fluorescent film 26 can only include red light district 261, green Region 262 and blue light region 263, accordingly, filter
Saturating red light district 271, saturating green Region 272 and anti-reflection area 273 can also only be included on film 27.
In the above-described embodiment, the blue anti-yellow film 25 transmits the first light (blue light) and reflects the second light (gold-tinted),
Therefore, blue light can enter fluorescent film 26 via saturating blue anti-yellow film 25, and fluorescent film 26 comprises at least a first coloured light area such as feux rouges
Area 261, green Region 262 and/or yellow light area 264, the first coloured light area absorb the first light and produce the second light, the second light via
Filter coating 27 separates the 3rd light (feux rouges or green glow) and transmits the 3rd light, or, the second light directly transmits via filter coating 27, institute
State fluorescent film 26 and may also include one second coloured light area such as blue light region, the second coloured light area allows the first light to be directed through fluorescent film
26 and finally transmitted via filter coating 27.Accordingly, filter coating 27 comprise at least for example saturating red light district 271 of first transparent area,
Saturating green Region 272 and/or thoroughly yellow light area 274 are allowed with the first coloured light area of the corresponding fluorescent film 26, first transparent area
Second light or the 3rd light pass through and reflect other light, and therefore, the first light not absorbed by fluorescent film 26 can be anti-by the first transparent area
Fluorescent film 26 is emitted back towards, is absorbed by fluorescent film 26 and produces the second light again, and caused second light is emitted to blue anti-Huang again
After film 25, reflected by saturating blue anti-yellow film 25, finally transmitted via fluorescent film 26 from the first transparent area of filter coating 27, or, then
Second light distinguishes the 3rd light and by the 3rd light transmission by the first printing opacity of filter coating 27 caused by secondary.Filter coating 27 can include
One the second transparent area allows the first light to pass through with the second coloured light area of corresponding fluorescent film 26, second transparent area.At other
In embodiment, blue anti-yellow film 25 also can be replaced being divided by a combined films thoroughly, for example, in the incident blue light of colour wheel 2 simultaneously
It is emitted in the embodiment of feux rouges, green glow and blue light, the anti-yellow film 25 of indigo plant can be combined by the anti-red film of indigo plant thoroughly, saturating blue anti-partial veil thoroughly
Form.In addition, in other embodiments, the first light is not limited to blue light, and the second light is not limited to gold-tinted, and the 3rd light is not yet
It is limited to feux rouges or green glow, the difference of the first light, the second light and/or the 3rd light based on selection, anti-yellow film 25 can also use indigo plant thoroughly
Other spectro-films replace.
In embodiment of above, sapphire sheet 21 respectively constitutes the prebasal plate and metacoxal plate of colour wheel 2, color with sheet glass 22
The prebasal plate of wheel 2 can be in other embodiments quartz plate or sheet glass, and metacoxal plate also may be used in other embodiments
To be quartz plate or sapphire sheet.
Refer to shown in Fig. 7, be the block diagram of a light-source system, the light-source system 100 includes colour wheel 2 with lighting
Unit 3, the monochromatic light sent from luminescence unit 3 such as blue light are converted into polychromatic light by colour wheel 2, such as red, green, blue, yellow four coloured light.
Refer to shown in Fig. 8, be the block diagram of an optical projection system, the optical projection system 200 includes light-source system
100th, spatial light modulator 4 and projection lens 5.The polychromatic light being emitted from light-source system 100 is modulated into through spatial light modulator 4 to be taken
Image light with image information, finally it is emitted to via projection lens 5 on screen.
In summary, colour wheel, light-source system and the optical projection system that the utility model embodiment provides, inside colour wheel
Low-index layer is provided with there is provided spectro-film and between fluorescent film and spectro-film and filter coating, so that by fluorescent film
And do not reflected by the first luminous energy that fluorescent film absorbs by filter coating, again pass by fluorescent film and absorbed and produce the again
Two light, the caused second light film that can at least partly be split is reflected back fluorescent film again, and is emitted through fluorescent film and filter coating,
Or the 3rd light is separated by caused second light again, the 3rd light is emitted via filter coating, therefore, improves light utilization efficiency.
Embodiment of above is only unrestricted to illustrate the technical solution of the utility model, although preferably real with reference to more than
Mode is applied the utility model is described in detail, it will be understood by those within the art that, can be new to this practicality
The technical scheme of type is modified or equivalent substitution should not all depart from the spirit and scope of technical solutions of the utility model.
Claims (17)
1. a kind of colour wheel, it is characterised in that the prebasal plate that the colour wheel includes allowing light through is placed in metacoxal plate and order
Spectro-film, the first low-index layer, fluorescent film, the second low-index layer and filter coating between the prebasal plate and metacoxal plate,
The spectro-film transmits the first light and the second light of reflection, and the fluorescent film includes at least one first coloured light area, first coloured light
Area absorbs the first light to generate the second light, and the filter coating corresponds to the first coloured light area, institute including at least one first transparent area
State the first transparent area allow the second light or by the 3rd light that the second light separates by and reflect other light, wherein, not by described the
The first light that a shade area absorbs at least partly enters institute by first transparent area reflection, via second low-index layer
The first coloured light area is stated, is absorbed by the first coloured light area and generates the second light again, second light reflected by the spectro-film,
Enter the first coloured light area via first low-index layer, then via the first coloured light area refraction low with described second
Rate layer reaches first transparent area, and first transparent area transmits second light or the 3rd light and saturating will be separated in the second light
Penetrate the 3rd light.
2. colour wheel as claimed in claim 1, it is characterised in that the fluorescent film includes one second coloured light area, second color
Light area transmits the first light, and the filter coating corresponds to the second coloured light area including one second transparent area, and the second coloured light area is saturating
Penetrate via the second coloured light area transmitted through come the first light.
3. colour wheel as claimed in claim 1, it is characterised in that also deviate from the spectro-film one including being arranged at the prebasal plate
The anti-reflection film of side.
4. colour wheel as claimed in claim 1, it is characterised in that the spectro-film, the first low-index layer, fluorescent film, second
Low-index layer and filter coating are arranged at the neighboring area of the colour wheel.
5. colour wheel as claimed in claim 4, it is characterised in that the intermediate region of the colour wheel includes a tack coat, described viscous
Knot layer is used to be adhesively fixed between the prebasal plate and metacoxal plate.
6. colour wheel as claimed in claim 1, it is characterised in that the prebasal plate is sapphire sheet, sheet glass or quartz plate,
And/or the metacoxal plate is sheet glass, quartz plate or sapphire sheet.
7. colour wheel as claimed in claim 2, it is characterised in that the spectro-film is a saturating blue anti-yellow film, and first light is
Blue light, the second light are gold-tinted.
8. colour wheel as claimed in claim 7, it is characterised in that the fluorescent film includes three the first coloured light areas, respectively red
Light area, green Region and yellow light area, the filter coating include three the first transparent areas, respectively saturating red light district, saturating green Region with thoroughly
Yellow light area, wherein the red light district corresponds to the red light district, the green Region corresponds to the green Region, the yellow light area
The corresponding yellow light area, the second coloured light area is blue light region, and second transparent area is anti-reflection area, and the 3rd light is feux rouges
Or green glow.
9. colour wheel as claimed in claim 8, it is characterised in that the red light district sets yellow fluorescent powder with yellow light area, described
Green Region sets green emitting phosphor, and the blue light region sets scattering powder, and the red light district sets saturating feux rouges film, the light that reveals the green
Area sets the light film that reveals the green, and the yellow light area sets saturating gold-tinted film, and the anti-reflection area sets anti-reflection film.
10. colour wheel as claimed in claim 1, it is characterised in that the refractive index of first low-index layer is 1.3 or 1.2
Hereinafter, and/or, the refractive index of second low-index layer is 1.3 or less than 1.2.
11. colour wheel as claimed in claim 10, it is characterised in that first low-index layer is dry glass frit layer or dioxy
SiClx layer, and/or, second low-index layer is dry glass frit layer or silicon dioxide layer.
12. colour wheel as claimed in claim 10, it is characterised in that the thickness of first low-index layer is less than 50 μm or is
10-15 μm, and/or, the thickness of second low-index layer is less than 50 μm or for 10-15 μm.
13. colour wheel as claimed in claim 11, it is characterised in that the dry glass frit layer is by the way that dry glass particle is adsorbed in
Formed on the fluorescent film.
14. colour wheel as claimed in claim 1, it is characterised in that the thickness of the fluorescent film be less than 200 μm, or, it is described
The thickness of fluorescent film is 100 μm.
15. colour wheel as claimed in claim 1, it is characterised in that the spectro-film only allow with the spectro-film optical axis in 0 to
20 degree of the first light transmission.
A kind of 16. light-source system, it is characterised in that the color including luminescence unit and as described in claim any one of 1-15
Wheel, the monochromatic light that the luminescence unit is sent are converted into polychromatic light by the colour wheel and are emitted.
17. a kind of optical projection system, it is characterised in that including light-source system as claimed in claim 16 and space light modulation
Device and projection lens, carrying image information is modulated into via the spatial light modulator from the polychromatic light of light-source system outgoing
Image light, described image light is emitted to a screen via the projection lens.
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| CN201720909356.6U CN207164363U (en) | 2017-07-25 | 2017-07-25 | The light-source system of colour wheel and the application colour wheel, optical projection system |
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Address after: 518055 20-22 Floor, United Headquarters Building, No. 63 Xuefu Road, Yuehai Street, Nanshan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Guangfeng Polytron Technologies Inc Address before: 518055 Guangdong province Shenzhen Nanshan District Xili town south of Cha Guang road Shenzhen integrated circuit design application Industrial Park 401 Patentee before: Shenzhen Appotronics Co., Ltd. |