CN206096738U - Fluorescent wheel , projection light source and projecting apparatus - Google Patents
Fluorescent wheel , projection light source and projecting apparatus Download PDFInfo
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- CN206096738U CN206096738U CN201621054462.2U CN201621054462U CN206096738U CN 206096738 U CN206096738 U CN 206096738U CN 201621054462 U CN201621054462 U CN 201621054462U CN 206096738 U CN206096738 U CN 206096738U
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Abstract
The utility model provides a fluorescent wheel, projection light source and projecting apparatus relates to and shows technical field, can improve the display effect. Fluorescent wheel includes: have the base plate of a plane of reflection, and set up fluorescent layer on the base plate plane of reflection, the fluorescent layer includes at least one high colour gamut district and at least one low colour gamut district. Be used for image display.
Description
Technical field
This utility model is related to display technology field, more particularly to a kind of fluorescent wheel, projection light source and projector.
Background technology
In projector architecture, generally use fluorescent wheel and the light in light source incidence to fluorescent wheel is excited and is produced
The sequence of colored lights of needs.
Fluorescent wheel of the prior art has contradiction between colour gamut and brightness, and (its luminous efficiency of colour gamut height is low, and colour gamut is low
Its luminous efficiency is high), this is intrinsic problem in this area.So, projector in use, if meeting user
The requirement of color domain, then cannot meet requirement of the user to brightness, and meet requirement of the user to brightness, then cannot meet use
The requirement of family color domain.
Further, since the colour gamut of fluorescent wheel is fixed in prior art so that projector is only able to display high colour gamut picture
Or low colour gamut picture, display effect is good.
Utility model content
Embodiment of the present utility model provides a kind of fluorescent wheel, projection light source and projector, can improve display effect.
To reach above-mentioned purpose, embodiment of the present utility model is adopted the following technical scheme that：
On the one hand, there is provided a kind of fluorescent wheel, including the substrate with a reflecting surface, and it is arranged on the substrate reflecting surface
On fluorescence coating；The fluorescence coating includes at least one high colour gamut area and at least one low colour gamut area.
Preferably, the number in the high colour gamut area is identical with the number in the low colour gamut area, and the high colour gamut area and institute
Shu Di colour gamuts area interval setting.
Preferably, the fluorescence coating is arranged in a circle near the edge of the substrate, and the fluorescence coating.
Based on above-mentioned, it is preferred that the material in the described high colour gamut area of the fluorescence coating and the low colour gamut area is selected from silicon
In hydrochlorate, Chlorosilicate, aluminate, nitrogen oxides, nitride, tungstates, molybdate, oxysulfide, quantum dot at least one
Kind.
A kind of second aspect, there is provided projection light source, including the fluorescent wheel described in first aspect, and it is located at the fluorescent wheel
Reflecting surface side and the first sub-light source for being oppositely arranged and the second sub-light source, be arranged on first sub-light source and described second
The equal directive of the first color of light that the first dichroic mirror between sub-light source, first sub-light source and second sub-light source send
First dichroic mirror, and the beam center axle of the first color of light that first sub-light source and second sub-light source send
Line is point-blank；Wherein, the reflection of the first dichroic mirror, directive described in the first color of light Jing that first sub-light source sends
Away from the fluorescent wheel side；The reflection of first dichroic mirror, directive described in the first color of light Jing that second sub-light source sends
The fluorescence coating of the fluorescent wheel, the fluorescence coating are inspired the second color of light, second color of light by first color of light
The reflective surface of fluorescent wheel described in Jing, the first dichroic mirror described in directive；After the first dichroic mirror transmission described in second
The beam center dead in line of the first color of light after color of light and the first dichroic mirror reflection described in；First color of light
White light is blended with second color of light.
Preferably, the projection light source also includes being arranged on first dichroic mirror away from the one of the fluorescent wheel side
Group shaping element；The beam center dead in line of the optical axis of the shaping element and the white light.
Based on above-mentioned, it is preferred that first sub-light source and second sub-light source are blue-light source.
A kind of third aspect, there is provided projector, including the projection light source described in second aspect.
Preferably, the projector also include being successively set on the first polarizer in the light path of the projection light source,
Second dichroic mirror, the 3rd dichroic mirror；Second dichroic mirror is used to reflect the first color of light, and transmits the second color
Light；3rd dichroic mirror is used to reflect the 3rd color of light, and transmits the 4th color of light；Wherein, the 3rd color of light and
4th color of light blends second color of light；The projector also include be separately positioned on first color of light,
Display element in the light path of the 3rd color of light and the 4th color of light, and for sending to the display element
Light carries out the light combination mirror for closing beam.
Optionally, the display element is LCD chip；The projector also include be arranged on each described display element with
The second polarizer between the light combination mirror；The polarization direction of first polarizer is inclined with second polarizer
The direction that shakes is vertical.
Optionally, the display element is LCOS chip or dmd chip；The projector also includes being arranged on each institute
State the polarization coupling mirror between display element and the light combination mirror；The polarization direction of first polarizer and the polarization
The polarization direction of light combination mirror is vertical.
Based on above-mentioned, it is preferred that first polarizer is Polarization converter or polaroid.
This utility model embodiment provides a kind of fluorescent wheel, projection light source and projector, by by the fluorescence coating of fluorescent wheel
It is divided into high colour gamut area and low colour gamut area so that fluorescent wheel can be inspired the light of high colour gamut, low-light level, can be inspired again low
The light of colour gamut, high brightness.So, when fluorescent wheel is applied in projector, projector is by a width picture is divided into
Two frames show that the first frame shows to be shown high gamut subpixels and close low gamut subpixels, and the second frame makes the sub- picture of high colour gamut
Element is closed and low gamut subpixels is shown, is made in the picture that user sees both comprising high colour gamut part, again comprising low colour gamut portion
Point, so as to improve display effect.Additionally, when the first frame picture and the second frame picture are combined into a width picture, brightness has one
Determine the neutralization of degree so that when the requirement of user's color domain is met, can to a certain degree improve the contradiction between colour gamut and brightness.
Description of the drawings
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or accompanying drawing to be used is briefly described needed for description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise for not paying creative work
Under, can be with according to these other accompanying drawings of accompanying drawings acquisition.
A kind of structural representation one of fluorescent wheel that Fig. 1 is provided for this utility model embodiment；
A kind of structural representation two of fluorescent wheel that Fig. 2 is provided for this utility model embodiment；
A kind of CIE1931 chromaticity diagraies that Fig. 3 is provided for this utility model embodiment；
A kind of structural representation three of fluorescent wheel that Fig. 4 is provided for this utility model embodiment；
A kind of structural representation one of projection light source that Fig. 5 (a) is provided for this utility model embodiment；
A kind of structural representation two of projection light source that Fig. 5 (b) is provided for this utility model embodiment；
A kind of structural representation three of projection light source that Fig. 6 is provided for this utility model embodiment；
A kind of structural representation one of projector that Fig. 7 is provided for this utility model embodiment；
A kind of structural representation two of projector that Fig. 8 is provided for this utility model embodiment；
A kind of structural representation three of projector that Fig. 9 is provided for this utility model embodiment；
A kind of flow chart of the control method of projector that Figure 10 is provided for this utility model embodiment；
A kind of pixel map of display element that Figure 11 is provided for this utility model embodiment.
Reference：
The first color of light of 01-；The second color of light of 02-；The 3rd color of light of 03-；The 4th color of light of 04-；10- fluorescent wheels；11-
Substrate；12- fluorescence coatings；The high colour gamut areas of 13-；The low colour gamut areas of 14-；15- rotating shafts；16- motors；The first sub-light sources of 20-；21- second
Sub-light source；22- shaping elements；The first dichroic mirrors of 31-；The second dichroic mirrors of 32-；The 3rd dichroic mirrors of 33-；40-
One polarizer；41- Polarization converters；42- polaroids；43- polarization coupling mirrors；The second polarizers of 44-；50- shows unit
Part；51-LCD chips；52-LCOS chips；53-DMD chips；60- light combination mirrors；70- reflecting mirrors；80- projection lens.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only this utility model a part of embodiment, rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
This utility model embodiment provides a kind of fluorescent wheel 10, as depicted in figs. 1 and 2, including the base with a reflecting surface
Plate 11, and the fluorescence coating 12 being arranged on 11 reflecting surface of substrate；The fluorescence coating 12 includes at least one high 13 He of colour gamut area
At least one low colour gamut area 14.
Wherein, as illustrated in fig. 1 and 2, fluorescent wheel 10 also includes the rotating shaft 15 for driving 10 body of fluorescent wheel to rotate.It is not right
The particular location of rotating shaft 15 is defined, and the center for being only located at fluorescent wheel 10 with rotating shaft 15 in Fig. 1 and Fig. 2 is illustrated.
It should be noted that first, the shape and material of substrate 11 are not defined, the shape of substrate 11 in Fig. 1 and Fig. 2
Shape is only illustrated.
Additionally, specifically not limited to the reflecting surface of substrate 11, the light for inspiring can be reflected away in fluorescence coating 12
.Can for example be that the one side that fluorescence coating 12 is arranged on substrate 11 is respectively provided with reflection function, or is only arranging glimmering
The part of photosphere 12 has reflection function.
Second, the shape of fluorescence coating 12 is not defined, in Fig. 1 and Fig. 2, the shape of fluorescence coating 12 is only illustrated.
Additionally, not being defined to the material of fluorescence coating 12, fluorescence can be inspired by light.
3rd, the high colour gamut area 13 of fluorescence coating 12 refers to, the fluorescence that the material being arranged in the region is inspired by light
In the region 1 for falling in figure 3, picture colour gamut that light in region 1 is formed is higher, brightness is relatively low.Accordingly, fluorescence coating 12
Low colour gamut area 14 refers to, in the region 2 that the material being arranged in the region is fallen in figure 3 by the fluorescence that light is inspired, region 2
Picture colour gamut that interior light is formed is relatively low, brightness is higher.
Wherein, Fig. 3 is CIE (Commission Internationaldel'Eclairage, international lighting association) 1931
Chromaticity diagram, region 2 is the low chroma areas surrounded by A ', B ', 3 points of C ', region 1 be by 3 points of A, B, C surround not comprising area
The high chroma region in domain 2, wherein A ', B ', C ' are the three primary colours light in low chroma areas, and A, B, C are positioned at high chroma area
Three primary colours light in domain.
4th, the number in high colour gamut area 13 and low colour gamut area 14 is not defined, can be with as shown in figure 1, high colour gamut area
13 and low colour gamut area 14 be one.Can also as shown in Fig. 2 high colour gamut area 13 and low colour gamut area 14 be it is multiple.
This utility model embodiment provides a kind of fluorescent wheel 10, by being high colour gamut area by 12 points of the fluorescence coating of fluorescent wheel 10
13 and low colour gamut area 14 so that fluorescent wheel 10 can be inspired the light of high colour gamut, low-light level, can be inspired again low colour gamut,
The light of high brightness.So, when fluorescent wheel 10 is applied in projector, projector is by being divided into two frames by a width picture
Show, the first frame shows to be shown high gamut subpixels and close low gamut subpixels, the second frame closes high gamut subpixels
Close and show low gamut subpixels, make in the picture that user sees both comprising high colour gamut part, include low colour gamut part again, from
And improve display effect.Additionally, when the first frame picture and the second frame picture are combined into a width picture, brightness has to a certain degree
Neutralization so that when the requirement of user's color domain is met, can to a certain degree improve the contradiction between colour gamut and brightness.
Preferably, as shown in figure 4, the number in high colour gamut area 13 is identical with the number in low colour gamut area 14, and high colour gamut area 13
With low 14 interval setting of colour gamut area.
This utility model embodiment by high colour gamut area 13 is respectively provided with multiple and interval setting with low colour gamut area 14, when
When fluorescent wheel 10 is applied in projector, fluorescent wheel 10 rotates one and encloses, and projector can show multi-picture, aobvious so as to improve
Show the refreshing frequency of picture.
In order to reduce production cost, this utility model embodiment is preferred, and as shown in Figure 1, Figure 2, Figure 4 shows, fluorescence coating 12 is leaned on
The edge of nearly substrate 11, and the fluorescence coating 12 is in a circle setting.
Wherein, it will be understood by those skilled in the art that in 10 rotation process of fluorescent wheel, fluorescence coating 12 persistently need to inspire glimmering
Light, therefore the central axis of fluorescence coating 12 need to be with the central axes of fluorescent wheel 10.
Based on above-mentioned, in order that the material of fluorescence coating 12 is easily obtained, this utility model embodiment is preferred, fluorescence coating 12
High colour gamut area 13 and the material in low colour gamut area 14 be selected from silicate, Chlorosilicate, aluminate, nitrogen oxides, nitride, tungsten
At least one in hydrochlorate, molybdate, oxysulfide, quantum dot.
Wherein, high colour gamut area 13 can be with entirely different with the material in low colour gamut area 14, it is also possible to which part is identical.
This utility model embodiment also provides a kind of projection light source, shown in such as Fig. 5 (a) and Fig. 5 (b), including above-mentioned fluorescence
Wheel 10, and positioned at the reflecting surface side of the fluorescent wheel 10 and the first sub-light source 20 for being oppositely arranged and the second sub-light source 21,
The first dichroic mirror 31 being arranged between the first sub-light source 20 and the second sub-light source 21, the first sub-light source 20 and the second sub-light source
21 01 the first dichroic mirrors of equal directive 31 of the first color of light for sending, and the first sub-light source 20 and the second sub-light source 21 send
The beam center axis of one color of light 01 is point-blank；Wherein, the 01 Jing institutes of the first color of light that the first sub-light source 20 sends
State the first dichroic mirror 31 to reflect, directive is away from 10 side of fluorescent wheel；01 Jing of the first color of light that second sub-light source 21 sends
One dichroic mirror 31 reflects, and the fluorescence coating 12 of directive fluorescent wheel 10, fluorescence coating 12 are inspired the second color by the first color of light 01
Light 02, the reflective surface of 02 Jing fluorescent wheels 10 of the second color of light, the first dichroic mirror of directive 31；Jing the first dichroic mirrors 31 are saturating
The beam center dead in line of the second color of light 02 after penetrating and the first color of light 01 Jing after the first dichroic mirror 31 reflects；Institute
State the first color of light 01 and second color of light 02 blends white light.
Herein, the projection light source can also include the motor 16 for driving the rotating shaft 15 of the fluorescent wheel 10 to rotate.
It should be noted that first, it is the light to certain wavelength the characteristics of dichroic mirror almost completely through and to another
The light of some wavelength is almost fully reflective.
Second, the structure of the projection light source provided based on this utility model embodiment, shown in such as Fig. 5 (a) and Fig. 5 (b), if
The first color of light 01 that second sub-light source 21 sends reflected by the first dichroic mirror 31 after directive fluorescent wheel 10, then fluorescent wheel 10
02 Jing of the second color of light that fluorescence coating 12 is inspired by first color of light 01 and the 01 identical light path directive of the first color of light
First dichroic mirror 31, and Jing the first dichroic mirror 31 transmit after, will necessarily send with the first sub-light source 20 and by the one or two to
The mixing of first color of light 01 of the reflection of Look mirror 31 sends white light.Herein, for the ease of completely showing the cabling of light path, by second
The beam center axle of the first color of light 01 that sub-light source 21 sends and directive fluorescent wheel 10 after being reflected by the first dichroic mirror 31
, with Jing after fluorescent wheel 10 reflects, the beam center axis of the second color of light 02 of the first dichroic mirror of directive 31 is shown separately for line,
But both should be overlapped.
Wherein, the first color of light 01 and the second color of light 02 are not defined, white light can be blended.
3rd, the first sub-light source 20 and the second sub-light source 21 are not defined, the first color of light 01 can be sent.
This utility model embodiment provides a kind of projection light source, by by the fluorescence coating 12 of the fluorescent wheel 10 in projection light source
It is divided into high colour gamut area 13 and low colour gamut area 14 so that fluorescent wheel 10 can be inspired the light of high colour gamut, low-light level, can be swashed again
Send the light of low colour gamut, high brightness.So, when projection light source is applied in projector, projector is by by a width
Picture is divided into two frames and shows, the first frame shows to be shown high gamut subpixels and close low gamut subpixels, and the second frame makes height
Gamut subpixels are closed and low gamut subpixels is shown, both included high colour gamut part, and included in making the picture that user sees again
Low colour gamut part, so as to improve display effect.Additionally, when the first frame picture and the second frame picture are combined into a width picture, it is bright
Degree has a certain degree of neutralization so that when the requirement of user's color domain is met, to a certain degree can improve colour gamut and brightness it
Between contradiction.
Preferably, as shown in fig. 6, the projection light source also includes being arranged on the first dichroic mirror 31 away from fluorescent wheel 10 1
One group of shaping element 22 of side；The beam center dead in line of the optical axis of the shaping element 22 and the white light.
This utility model embodiment is by arranging one group shaping optics away from 10 side of fluorescent wheel in the first dichroic mirror 31
Element 22, after shaped optical element 22 is adjusted to light, can make the light distribution of white light of projection light source injection more
Uniformly.
Based on above-mentioned, it is preferred that the first sub-light source 20 and the second sub-light source 21 are blue-light source.
Wherein, the blue-light source can be LED (Light-Emitting Diode, light emitting diode) or blue sharp
Light.
Additionally, it will be understood by those skilled in the art that when the first sub-light source 20 and the second sub-light source 21 are blue-light source,
The fluorescence coating 12 of fluorescent wheel 10 can send gold-tinted under the exciting of blue light, and gold-tinted goes out white light with blue light.
This utility model embodiment can extend by the first sub-light source 20 and the second sub-light source 21 are set to blueness
The service life of one sub-light source 20 and the second sub-light source 21.Additionally, the technique of blue-light source is also more ripe.
This utility model embodiment also provides a kind of projector, as shown in figs. 7 to 9, including above-mentioned projection light source.
This utility model embodiment provides a kind of projector, by by 12 points of the fluorescence coating of the fluorescent wheel 10 in projector being
High colour gamut area 13 and low colour gamut area 14 so that fluorescent wheel 10 can be inspired the light of high colour gamut, low-light level, can be inspired again
The light of low colour gamut, high brightness.So, projector shows that by a width picture is divided into two frames the first frame shows makes high color
Domain sub-pixel shows and closes low gamut subpixels, and the second frame closes high gamut subpixels and shows low gamut subpixels
Show, make in the picture that user sees both comprising high colour gamut part, include low colour gamut part again, so as to improve display effect.Additionally,
When the first frame picture and the second frame picture are combined into a width picture, brightness has a certain degree of neutralization so that use meeting
During the requirement of family color domain, can to a certain degree improve the contradiction between colour gamut and brightness.
The projector that this utility model is provided is described with reference to specific embodiment.
Embodiment one
A kind of projector is provided, as shown in fig. 7, the projector includes above-mentioned projection light source, and throwing is successively set on
The first polarizer 40, the second dichroic mirror 32 in the light path of shadow light source, the 3rd dichroic mirror 33.
Second dichroic mirror 32 is used to reflect the first color of light 01, and transmits the second color of light 02；3rd dichroic mirror 33
For reflecting the 3rd color of light 03, and transmit the 4th color of light 04；Wherein, the 3rd color of light 03 and the 4th color of light 05 are blended
Second color of light 02.
The projector also includes the light for being separately positioned on the first color of light 01, the 3rd color of light 03 and the 4th color of light 04
LCD chip 51 on road, the light for sending to LCD chip 51 are carried out closing the light combination mirror 60 of beam, and are arranged on each LCD
The second polarizer 44 between chip 51 and light combination mirror 60, polaroid 42.Wherein, the polarization side of first polarizer 40
To vertical with the polarization direction of second polarizer 44；First polarizer 40 and the second polarizer 44 can be polarization
Photoconverter, or polaroid.The first polarizer 40 and the second polarizer that this utility model embodiment one is provided
44 are also applied in this utility model other embodiment.
Wherein, light combination mirror 60 is carried out after conjunction beam to the light that each LCD chip 51 sends, and image is projected by Jing projection lens 80
To on display screen.
It should be noted that first, as shown in fig. 7, being arranged on the first color of light 01, the 3rd color of light 03 and the 4th color
LCD chip 51 in the light path of light 04 respectively positioned at light combination mirror 60 diverse location, and Jing dichroic mirrors transmission or reflect
The light path of light be it is certain, therefore, it will be understood by those skilled in the art that to make the first color of light 01, the 3rd color of light 03
It is capable of the diverse location of directive light combination mirror 60 with the light path of the 4th color of light 04, so that light combination mirror 60 carries out conjunction beam to light, needs
Rationally reflecting mirror 70 is set in the light path of the first color of light 01, the 3rd color of light 03 and the 4th color of light 04, it is right to realize
The adjustment of light path.The setting of reflecting mirror 70 is equally applicable in this utility model other embodiment.
Wherein, the first color of light 01, the 3rd color of light 03 and the 4th color of light 04 are three primary colours light.
Second, the set location of each part in projector is not defined, only illustrates in Fig. 7, do not do any restriction.
Herein, using LCD chip 51 as display element, mature preparation process, production cost are relatively low.
Embodiment two
A kind of projector is provided, as shown in figure 8, including the fluorescent wheel 10 of gold-tinted can be stimulated by blue light out, for blue light-emitting
And the first sub-light source 20 for being oppositely arranged and the second sub-light source 21, blue light is transmitted, the is reflected and is located to gold-tinted
The first dichroic mirror 31 between one sub-light source 20 and the second sub-light source 21, and the first dichroic mirror 31 is arranged on away from fluorescence
Take turns one group of shaping element 22 of 10 sides.Wherein, first sub-light source 20, the second sub-light source 21, and the one or two to
Look mirror 31 is located at the reflecting surface side of the fluorescent wheel 10.The optical axis of shaping element 22 with by the gold-tinted and the blue light
The beam center dead in line of the white light of synthesis.
The projector is also including the polaroid 42 being successively set in the white light light path, for carrying out instead to blue light
Penetrate, the second dichroic mirror 32 that gold-tinted is transmitted, for being reflected what is transmitted to HONGGUANG to the green glow in gold-tinted
3rd dichroic mirror 33, and LCOS (the Liquid Crystal on that are arranged in the blue and green light, HONGGUANG light path
Silicon, the attached silicon of liquid crystal) chip 52, the light for sending to LCOS chip 52 carries out closing the light combination mirror 60 of beam, is arranged on each
Polarization coupling mirror 43 between LCOS chip 52 and light combination mirror 60.Wherein, the polarization direction of polaroid 42 and polarization coupling mirror 43
Polarization direction it is vertical.
Wherein, light combination mirror 60 is carried out after conjunction beam to the light that each LCOS chip 52 sends, and image is thrown by Jing projection lens 80
It is mapped on display screen.
Herein, using LCOS chip 52 as display element, resolution is higher, and display effect is preferable.
Embodiment three
A kind of projector is provided, as shown in figure 9, including the fluorescent wheel 10 of gold-tinted can be stimulated by blue light out, for blue light-emitting
And the first sub-light source 20 for being oppositely arranged and the second sub-light source 21, blue light is transmitted, the is reflected and is located to gold-tinted
The first dichroic mirror 31 between one sub-light source 20 and the second sub-light source 21, and the first dichroic mirror 31 is arranged on away from fluorescence
Take turns one group of shaping element 22 of 10 sides.Wherein, first sub-light source 20 and, the second sub-light source 21, and the 1st
The reflecting surface side of the fluorescent wheel 10 is located to Look mirror 31.The optical axis of shaping element 22 with by the gold-tinted and the indigo plant
The beam center dead in line of photosynthetic white light.
The projector is also including the Polarization converter 41 being successively set in the white light light path, for entering to blue light
Row reflection, the second dichroic mirror 32 for being transmitted to gold-tinted, is carried out to HONGGUANG for reflecting to the green glow in gold-tinted
The 3rd dichroic mirror 33 penetrated.And DMD (the Digital being arranged in the blue and green light, HONGGUANG light path
Micormirror Device, digital micromirror) chip 53, the light for sending to dmd chip 53 carries out closing the conjunction beam of beam
Mirror 60, the polarization coupling mirror 43 being arranged between each dmd chip 53 and light combination mirror 60.Wherein, Polarization converter 41 is inclined
The direction that shakes is vertical with the polarization direction of polarization coupling mirror 43.
Wherein, light combination mirror 60 is carried out after conjunction beam to the light that each dmd chip 53 sends, and image is projected by Jing projection lens 80
To on display screen.
Herein, using dmd chip 53 as display element, mature preparation process, high resolution.Additionally, adopting polarized light
Natural polarized light can be all converted to line polarized light by transducer 41, can improve light source and obtain utilization rate.
Above example is only the specific embodiment that this utility model is given, and can not be fully contemplated by this utility model institute
Whole embodiments of protection.Wherein, in above-described embodiment, the combination in any of each feature belongs to the model of this utility model protection
Enclose, here is omitted.
This utility model embodiment also provides a kind of control method of projector, and as shown in Figure 10, methods described includes：
S10, in the first frame, control fluorescent wheel 10 is rotated, and makes the first sub-light source 20 or the second sub-light source in projection light source
21 illumination for sending are mapped to the high colour gamut area 13 of fluorescent wheel 10；And control the sub- picture in the first area 501 in display element 50
Plain (as shown in figure 11) is shown.
S20, in the second frame, control fluorescent wheel 10 is rotated, and makes the illumination that the first sub-light source 20 or the second sub-light source 21 send
It is mapped to the low colour gamut area 14 of fluorescent wheel 10；And the sub-pixel in the second area 502 in display element 50 is controlled (such as Figure 11 institutes
Show) shown.
S30, first frame and second frame constitute a width picture.
It should be noted that first, the sub-pixel group in the sub-pixel in first area 501 and second area 502 is into aobvious
Show the sub-pixel in element 50.
Wherein, in the first frame, when the sub-pixel in first area 501 is shown, the sub-pixel in second area 502
Then it is closed；Accordingly, in the second frame, when the sub-pixel in second area 502 is shown, in first area 501
Sub-pixel be then closed.
Second, with reference to the structure of above-mentioned projection light source, it will be understood by those skilled in the art that in the first frame, if the
The illumination that one sub-light source 20 sends is mapped to the high colour gamut area 13 of fluorescent wheel 10, in the second frame, necessarily and the first sub-light source 20
The illumination for going out is mapped to the low colour gamut area 14 of fluorescent wheel 10.In the same manner, in the first frame, if the light irradiation that sends of the second sub-light source 21
To the high colour gamut area 13 of fluorescent wheel 10, in the second frame, necessarily and the illumination that sends of the second sub-light source 21 is mapped to fluorescent wheel 10
Low colour gamut area 14.
3rd, the time sequencing of the first frame and the second frame is not defined, can be that first the first frame exists in front second frame
Afterwards, constitute a width picture.Can also be the second frame front, the first frame constitutes a width picture rear.
This utility model embodiment provides a kind of control method of projector, by by the glimmering of the fluorescent wheel 10 in projector
12 points of photosphere is high colour gamut area 13 and low colour gamut area 14 so that fluorescent wheel 10 can be inspired the light of high colour gamut, low-light level, and
The light of low colour gamut, high brightness can be inspired.So, projector shown by a width picture is divided into two frames, the first frame
Display shows high gamut subpixels and closes low gamut subpixels, and the second frame makes high gamut subpixels close and make low colour gamut
Sub-pixel shows, makes in the picture that user sees both comprising high colour gamut part, includes low colour gamut part again, show effect so as to improve
Really.Additionally, when the first frame picture and the second frame picture are combined into a width picture, brightness has a certain degree of neutralization so that
When the requirement of user's color domain is met, can to a certain degree improve the contradiction between colour gamut and brightness.
Preferably, the rotating speed of the fluorescent wheel 10 is more than 50 revolutions per seconds.
This utility model embodiment can control the first frame picture and the second frame picture by the rotating speed of control fluorescent wheel 10
Between time interval, it is to avoid because time interval is long, cause naked eyes can see picture distinguish, and affect display effect.
One of ordinary skill in the art will appreciate that：Realize that all or part of step of said method embodiment can pass through
Completing, aforesaid program can be stored in a computer read/write memory medium the related hardware of programmed instruction, the program
Upon execution, perform the step of including said method embodiment；And aforesaid storage medium includes：ROM, RAM, magnetic disc or light
Disk etc. is various can be with the medium of store program codes.
The above, specific embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, any those familiar with the art can readily occur in change in the technical scope that this utility model is disclosed
Or replace, should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with the power
The protection domain that profit is required is defined.
Claims (12)
1. a kind of fluorescent wheel, including the substrate with a reflecting surface, and the fluorescence coating being arranged on the substrate reflecting surface；Its
It is characterised by,
The fluorescence coating includes at least one high colour gamut area and at least one low colour gamut area.
2. fluorescent wheel according to claim 1, it is characterised in that the number in the high colour gamut area and the low colour gamut area
Number is identical, and the high colour gamut area and the low colour gamut area interval setting.
3. fluorescent wheel according to claim 1, it is characterised in that the fluorescence coating is near the edge of the substrate, and institute
State fluorescence coating to arrange in a circle.
4. the fluorescent wheel according to any one of claim 1-3, it is characterised in that the described high colour gamut area of the fluorescence coating and
The material in the low colour gamut area be selected from silicate, Chlorosilicate, aluminate, nitrogen oxides, nitride, tungstates, molybdate,
At least one in oxysulfide, quantum dot.
5. a kind of projection light source, it is characterised in that including the fluorescent wheel described in any one of claim 1-4, and be located at described
The reflecting surface side of fluorescent wheel and the first sub-light source for being oppositely arranged and the second sub-light source, it is arranged on first sub-light source and institute
State the first dichroic mirror between the second sub-light source, the first color of light that first sub-light source and second sub-light source send
Equal the first dichroic mirror described in directive, and the light beam of the first color of light that first sub-light source and second sub-light source send
Central axis is point-blank；
Wherein, the first dichroic mirror reflection described in the first color of light Jing that first sub-light source sends, directive is away from described glimmering
Halo side；The reflection of first dichroic mirror, fluorescent wheel described in directive described in the first color of light Jing that second sub-light source sends
Fluorescence coating, the fluorescence coating inspired the second color of light, fluorescence described in second color of light Jing by first color of light
The reflective surface of wheel, the first dichroic mirror described in directive；The second color of light and Jing after the first dichroic mirror transmission described in
The beam center dead in line of the first color of light after the first dichroic mirror reflection；
First color of light and second color of light blend white light.
6. projection light source according to claim 5, it is characterised in that also including be arranged on first dichroic mirror away from
One group of shaping element of the fluorescent wheel side；
The beam center dead in line of the optical axis of the shaping element and the white light.
7. the projection light source according to claim 5 or 6, it is characterised in that first sub-light source and second sub-light
Source is blue-light source.
8. a kind of projector, it is characterised in that including the projection light source described in any one of claim 5-7.
9. projector according to claim 8, it is characterised in that also including the light path for being successively set on the projection light source
On the first polarizer, the second dichroic mirror, the 3rd dichroic mirror；
Second dichroic mirror is used to reflect the first color of light, and transmits the second color of light；3rd dichroic mirror is used for
The 3rd color of light is reflected, and transmits the 4th color of light；Wherein, the 3rd color of light and the 4th color of light blend described
Second color of light；
The projector also includes being separately positioned on first color of light, the 3rd color of light and the 4th color of light
Display element in light path, and the light for sending to the display element carry out close beam light combination mirror.
10. projector according to claim 9, it is characterised in that the display element is LCD chip；
The projector also includes the second polarizer being arranged between each described display element and the light combination mirror；It is described
The polarization direction of the first polarizer is vertical with the polarization direction of second polarizer.
11. projectors according to claim 9, it is characterised in that the display element is LCOS chip or DMD cores
Piece；
The projector also includes the polarization coupling mirror being arranged between each described display element and the light combination mirror；Described
The polarization direction of one polarizer is vertical with the polarization direction of the polarization coupling mirror.
12. projectors according to any one of claim 8-11, it is characterised in that first polarizer is polarized light
Transducer or polaroid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621054462.2U CN206096738U (en) | 2016-09-13 | 2016-09-13 | Fluorescent wheel , projection light source and projecting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621054462.2U CN206096738U (en) | 2016-09-13 | 2016-09-13 | Fluorescent wheel , projection light source and projecting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206096738U true CN206096738U (en) | 2017-04-12 |
Family
ID=58476805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621054462.2U Withdrawn - After Issue CN206096738U (en) | 2016-09-13 | 2016-09-13 | Fluorescent wheel , projection light source and projecting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206096738U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106444248A (en) * | 2016-09-13 | 2017-02-22 | 合肥鑫晟光电科技有限公司 | Fluorescent wheel, projection light source, projector and control method of projector |
| CN111766757A (en) * | 2019-04-02 | 2020-10-13 | 中强光电股份有限公司 | Illumination system and projection device |
-
2016
- 2016-09-13 CN CN201621054462.2U patent/CN206096738U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106444248A (en) * | 2016-09-13 | 2017-02-22 | 合肥鑫晟光电科技有限公司 | Fluorescent wheel, projection light source, projector and control method of projector |
| US10313644B2 (en) | 2016-09-13 | 2019-06-04 | Boe Technology Group Co., Ltd. | Fluorescense wheel, projection light source, projector and its control method |
| CN106444248B (en) * | 2016-09-13 | 2019-10-22 | 合肥鑫晟光电科技有限公司 | A kind of fluorescent wheel, projection light source, projector and its control method |
| CN111766757A (en) * | 2019-04-02 | 2020-10-13 | 中强光电股份有限公司 | Illumination system and projection device |
| US11126074B2 (en) | 2019-04-02 | 2021-09-21 | Coretronic Corporation | Illumination system and projection apparatus |
| CN111766757B (en) * | 2019-04-02 | 2021-10-29 | 中强光电股份有限公司 | Illumination system and projection device |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20170412 Effective date of abandoning: 20191022 |