CN105652458B - Six primary color solid state light sources - Google Patents
Six primary color solid state light sources Download PDFInfo
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- CN105652458B CN105652458B CN201410648196.5A CN201410648196A CN105652458B CN 105652458 B CN105652458 B CN 105652458B CN 201410648196 A CN201410648196 A CN 201410648196A CN 105652458 B CN105652458 B CN 105652458B
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Abstract
A kind of six primary color solid state light sources, including a blue laser output unit.Blue laser output unit continues to export one first blue light and one second blue light simultaneously, the wave-length coverage of first blue light is different from the wave-length coverage of second blue light, wherein, under a first mode, first blue light and second blue light are modulated to S polarisations and are output into one first combination light, under a second mode, first blue light and second blue light are modulated to P polarisations and are output into one second combination light.
Description
Technical field
The present invention relates to a kind of six primary color solid state light sources, more particularly to a kind of six primary color solid state light that stereoscopic display is provided
Source.
Background technology
Using the binocular parallax of the mankind, well known 3 d display device to provide the two of audience different images respectively
To reach Three-dimensional Display.And according to the mode difference for reaching different images, 3 d display device includes polarization type, red blue formula or wave
Long multiplex type.
Wavelength multiplex type 3 d display device is that the image for having different wavelength range to provide audience comes as its name suggests
Reach Three-dimensional Display.And because chromatic image mostly blends colour gamut by addtive primary colours (R (red), G (green), B (blue))
A variety of colors in space, thus well known wavelength multiplex type 3 d display device with two groups of three primary colors R1, G1, B1 and R2, G2,
B2 distinguishes right and left eyes image.
Traditional wavelength multiplex type 3 d display device provides two groups of three primary colors with two groups of light sources, however, being commonly used for
As the laser of light source, the laser light source that wavelength is located at green is inefficient, and the expensive cost caused shared by light source
Ratio is substantially increased.Therefore how two groups of trichromatic mesh for improving the shortcomings that above-mentioned simultaneously, being industry is made joint efforts to be provided
Mark.
Invention content
For six primary color solid state light sources of one kind provided the problem of known technology to be solved when of the invention, including a blue light
Output unit, a red-light source, one first photic hair element, one second photic hair element, one first optical module, one second light
Learn module, a multiband filter plate and a prism group.Blue laser output unit continues to export one first blue light and one simultaneously
Two blue lights, the wave-length coverage of first blue light are different from the wave-length coverage of second blue light, wherein, it, should under a first mode
First blue light and second blue light are modulated to S polarisations and are output into one first combination light, and under a second mode, this
One blue light and second blue light are modulated to P polarisations and are output into one second combination light.Wherein, under the first mode,
The first combination light enters first optical module, which is excited to generate a yellow light, the yellow light
First light is combined across first optical module, and be filtered by the multiband filter plate, with this to generate one first primary colors
Combine light, the first primary color set closing light by the prism group and export, wherein, under the second mode, this second combination light with
And the feux rouges enters second optical module, which excites the second photic hair element green to generate one
Light, the feux rouges, green light first combine light across first optical module, and be filtered by the multiband filter plate with this, with
One second primary color set closing light is generated, which exports by the prism group.
Using six primary color solid state light sources of the embodiment of the present invention, due to the first blue light source persistently lighted and second
Blue light source respectively excites the first photo luminescent and the second photo luminescent, thus can greatly improve yellow light with
And the booster dose of green light, effective lifting system brightness.
Description of the drawings
Fig. 1 is the configuration diagram according to six primary color solid state light sources of the invention, one embodiment.
Fig. 2 is the spectrogram of six primary color solid state light sources of the invention.
Fig. 3 is that (wire-grid PBS's penetrates spectrogram for the second polarization spectroscope of six primary color solid state light sources of the invention.
Fig. 4 systems display green light reflector penetrates spectrogram.
Fig. 5 penetrates spectrogram for the first polarization spectroscope of six primary color solid state light sources of the invention.
Fig. 6 penetrates spectrogram for the multiband filter plate of six primary color solid state light sources of the invention.
Fig. 7 is the light path schematic diagram of the first mode of six primary color solid state light sources of the invention.
Fig. 8 is the light path schematic diagram of the second mode of six primary color solid state light sources of the invention.
Wherein, the reference numerals are as follows：
100~six primary color solid state light sources
110~the first blue light sources
112~red-light source
114~the second blue light sources
115~the second beam combinations
117~red light beam
118~the first beam combinations
119~yellow light light beam
120~the second optical modules
122~the first optical modules
130~the second photic hair elements
132~the first photic hair elements
140~the second polarization spectroscopes
141~green reflection plate
142~the first polarization spectroscopes
150~multiband filter plate
160~the second wave plates
162~the first wave plates
180~lens group
192~the first lens
194~the second lens
200~prism group
202~the second prisms
204~the first prisms
206~total reflection gap
300~blue laser output unit
311~the first optical modulation elements
312~the second optical modulation elements
320~polarization spectroscope
321~the first incidence surfaces
322~the second incidence surfaces
323~the first light-emitting surfaces
324~the second light-emitting surfaces
331~the first half-wave plates
332~the second half-wave plates
The blue light of B1~first
The blue light of B2~second
Specific embodiment
In view of known as in six primary lights for providing two groups of arbitrary sources, the three primary colors of each group of arbitrary source
(red, green and blue) is to be made of laser light source.And green laser is due to inefficient and expensive price so that integrated light source
Cost increase.In addition, as two groups of arbitrary sources, red laser must select two groups of wavelength with resolution, in order to select
As appropriate laser light source, integrated light source cost can certainly will be promoted also.
Six primary color solid state light sources of the present invention are using laser light source and photo luminescent element as light source, wherein laser light source
The light beam part excitation photo luminescent element emitted, the light excited is again with the laser rays of another part collectively as light
Source uses.And light path design is six primary color solid state light sources, two groups of wavelength non-overlapping copies of output by multiband filter plate of arranging in pairs or groups
Combination of primaries.In addition, it additionally arranges in pairs or groups controller so that the combination of primaries of two groups of different modalities respectively becomes observer's left eye
With the image of right eye so that observer obtains stereoscopic display image.
Fig. 1 is please referred to, Fig. 1 is the configuration diagram according to six primary color solid state light sources of the invention, one embodiment.Six primary colors are consolidated
State light source 100 includes a blue laser output unit 300, red-light source 112, the second photo luminescent 130, the first photo luminescent
132nd, the second optical module 120, the first optical module 122, multiband filter plate 150 and prism group 200.
With reference to Fig. 1, blue laser output unit 300 includes the first blue light source 110, the second blue light source 114, the first light modulation
Element 311, the second optical modulation element 312, polarization spectroscope 320, the first half-wave plate 331 and the second half-wave plate 332.Wherein
First half-wave plate 331 and the second half-wave plate 332 are wavelength selectivity (color selective) half-wave plates.First blue light
Light source 110 provides the first blue light B1.It is polar biased light that first optical modulation element 311, which modulates first blue light B1,.Second blue light
Light source 114 provides the second blue light B2.It is polar biased light that second optical modulation element 312, which modulates second blue light B2,.The polarization point
Light microscopic (Polarization Beam Splitter:PBS) 320, including the first incidence surface 321, the second incidence surface 322, first
323 and second light-emitting surface 324 of light-emitting surface.First half-wave plate 331, set on first light-emitting surface 323.Second half-wave plate 332 is set
In second light-emitting surface 324.
Under a first mode, which is modulated to P polarisations by first optical modulation element 311, first indigo plant
Light B1 enters first incidence surface 321, and S polarisations are modulated to across the polarization spectroscope 320, and by second half-wave plate 332,
The second blue light B2 is modulated to S polarisations by second optical modulation element 312, which enters second incidence surface
322, and reflected by the polarization spectroscope 320.At this point, first blue light B1 of the blue laser output unit 300 output S polarisations
And second blue light B2.
Under a second mode, which is modulated to S polarisations by first optical modulation element 311, first indigo plant
Light B1 enters first incidence surface 321, is reflected by the polarization spectroscope 320, and be modulated to P by first half-wave plate 331
Polarisation, the second blue light B2 are modulated to P polarisations by second optical modulation element, and second blue light B2 enters second incidence surface
322, and and across the polarization spectroscope 320.At this point, the blue laser output unit 300 output P polarisations the first blue light B1 with
And second blue light B2.
In one embodiment, the first blue light source 110 is laser light source, and its wavelength emission peak is located at for 442 nanometers (nm)
To between 448 nanometers (nm).Second blue light source 114 is laser light source, and its wavelength emission peak is located at for 463 nanometers (nm) extremely
Between 467 nanometers (nm).
Red-light source 112 is to provide feux rouges, and in one embodiment, red-light source 112 is laser light source, and its wavelength wave
Peak be located at for 637 nanometers (nm) between 641 nanometers (nm).
First photo luminescent 132 provides yellow light after being stimulated, wherein the first photo luminescent 132 is by yellow fluorescent powder
Material is formed, and the wavelength of yellow light is the wave band from 480 nanometers (nm) to 700 nanometers (nm).
Second photo luminescent 130 provides green light after being stimulated, wherein the second photo luminescent 130 is by green emitting phosphor
Material is formed, and the wavelength of green light is the wave band from 470 nanometers (nm) to 700 nanometers (nm).
In the above-described embodiments, the wavelength of the light emitted line of laser light source does not overlap each other, and phosphor material powder light source
Wave band has part to be overlapped, as shown in Fig. 2, Fig. 2 is the spectrogram of six primary color solid state light sources of the invention.Fig. 2 medium wavelengths are from short to long
Sequentially the first blue light source 110, the second blue light source 114, the second photo luminescent 130 (green light), the first photo luminescent 132
(yellow light) and red-light source 112.
First optical module 122 to guide the blue laser output unit 300 output S polarisations the first blue light B1 and should
The light of second blue light B2 (first mode) and the first photo luminescent 132.
Second optical module 120 to guide the blue laser output unit 300 output P polarisations the first blue light B1 and should
Second blue light B2 (second mode) and the light of 112 and second photo luminescent 130 of red-light source transmitting.
Second optical module 120 to guide by blue laser output unit 300 export P polarisations the first blue light B1 and should
Second blue light B2 (second mode) injects the second photo luminescent 130 and excites, and blue laser output unit 300 is guided to export P
The feux rouges and second that the first blue light B1 and second blue light B2 (second mode), red-light source 112 of polarisation are emitted
Directive same direction after the green light that photo luminescent 130 is emitted is integrated in together.Second optical module 120 includes the second polarization
Spectroscope (wire-grid PBS) 140, the 141, second wave plate 160 of green light reflector (green reflector) and lens group
180。
Please first see the second polarization spectroscope (wire-grid PBS) that Fig. 3, Fig. 3 are six primary color solid state light sources of the invention
140 penetrate spectrogram.Second polarization spectroscope 140 polarizes to P and the polarized light of S has a different frequency spectrums that penetrates, and in order to
Aspect illustrates that the first blue light B1 and second blue light B2, red-light source 112 that blue laser output unit 300 exports are emitted
Feux rouges and the wavelength location of green light that is emitted of the second photo luminescent 130 also one be listed in Fig. 3.
For the polarized light of P, blue laser output unit 300 exports the first blue light B1 and second indigo plant of P polarisations
Light B2 (second mode) will penetrate the second polarization spectroscope 140.
On the other hand, the feux rouges that red-light source 112 is provided may pass through the second polarization spectroscope 140.
Except, green light that the second photo luminescent 130 is stimulated, before the second polarization spectroscope 140 is contacted, directly
It is reflected by green light reflector 141.Fig. 4 display green lights reflector 141 penetrates spectrogram.
It please return Fig. 1, the second wave plate 160 in the second optical module 120 is quarter-wave plate.When light penetrates
During two wave plates 160, light generates the phase difference of a quarter wavelength before penetrating and after penetrating.Lens group 180 includes first
192 and second lens 194 of lens.The common configuration of first lens 192 and the second lens 194 may be such that directive second is photic
The light focusing of illuminating part 130 is in the second photo luminescent 130.Similarly, when light is projected from the second photo luminescent 130
When, light will transmit through the guiding of lens group 180 and uniformly project after the diffusion.
First optical module 122 to guide by the blue laser output unit 300 export S polarisations the first blue light B1 and
Second blue light B2 (first mode) injects the first photo luminescent 132 and excites, and guide the blue laser output unit 300 defeated
Go out the Huang that the first blue light B1 and second blue light B2 (first mode) of S polarisations and the first photo luminescent 132 are sent out
Finishing is together in rear directive same direction together.First optical module 122 includes the first polarization spectroscope (blue-oriented
PBS) the 142, first wave plate 162 and lens group 180.
That please first sees the first polarization spectroscope that Fig. 5, Fig. 5 are six primary color solid state light sources of the invention penetrates spectrogram.The
One polarization spectroscope 142 polarizes to P and the polarized light of S has the different frequency spectrums that penetrates, and for convenience of explanation, blue laser output list
Member 300 exports the first blue light B1 and second blue light B2 (first mode) of S polarisations and 132 institute of the first photo luminescent
The wavelength location of the yellow light sent out also one is listed in Fig. 4.
For the polarized light of S, the first polarization spectroscope 142 reflects the light of wavelength 485 nanometers (nm) below, and
Light more than 485 nanometers of wavelength (nm) will penetrate the first polarization spectroscope 142.Therefore, it is inclined to export S for blue laser output unit 300
The first blue light B1 and second blue light B2 (first mode) of light will be reflected in the first polarization spectroscope 142.Meanwhile first
The yellow light that photo luminescent 132 is stimulated, then across first polarization spectroscope 142.
It please return Fig. 1, the first wave plate 162 in the first optical module 122 is quarter-wave plate.When light penetrates
During one wave plate 162, light generates the phase difference of a quarter wavelength before penetrating and after penetrating.Lens group 180 includes first
192 and second lens 194 of lens.The common configuration of first lens 192 and the second lens 194, which may be such that, passes through lens group
180 light focusing is in the first photo luminescent 132.Similarly, when light is projected from the first photo luminescent 132, light
It will transmit through the guiding of lens group 180 and uniformly project after the diffusion.
In the light that above-mentioned first mode and second mode are provided respectively by the second optical module 120 and first
Most directive multiband filter plate 150 at last after the guiding of optical module 122.According to one embodiment of the invention, multiband filter plate
(band-filer) 150 can make wave-length coverage fall into the light beam reflection of first band or second band and make other wave-length coverages
Light beam penetrate.
Fig. 6 is looked at, Fig. 6 penetrates spectrogram for the multiband filter plate of six primary color solid state light sources of the invention.Multiband
Filter plate 150 has different penetrances to different wavelength range sections.
It please return Fig. 1, prism group 200 includes the second prism 202 and the first prism 204, and the second prism 202 and the
One prism 204 is totally reflected gap 206 therebetween to define.Interface between prism group 200 and total reflection gap 206 can be in the future
From the light reflection of multiband filter plate 150 to target location.
According to one embodiment of the invention, the first prism 204 in prism group 200 be set to the first polarization spectroscope 142 with
Between first wave plate 162, wherein the first polarization spectroscope 142 and the first wave plate 162 are covered on respectively on the first prism 204.The
Interface configurations between one prism 204 and total reflection gap 206 are that the light from the first wave plate 162 can allow for pass through simultaneously directive
To multiband filter plate 150.
Each element characteristic of six primary color solid state light sources 100 of the invention is described in detail with purposes, is chatted next
In stating, the optical output that will focus on first mode and second mode explains.
[first mode]
With reference to Fig. 7, the light path schematic diagram of the first mode for six primary color solid state light sources of the invention.Light in the present embodiment
The multiband filter plate 150 that the first polarization spectroscope 142 for coordinating Fig. 5 is penetrated frequency spectrum and Fig. 6 by road narration penetrates frequency spectrum work
Explanation.In addition, for convenience of description, the blue laser output unit 300 in schema and explanation exports first blue light B1 of S polarisations
And the yellow light that second blue light B2 (first mode) and the first photo luminescent 132 are emitted only is said with a light
It is bright.Also, the first blue light B1 and second blue light B2 (first mode) that blue laser output unit 300 exports S polarisations are the
It is yellow light light beam 119 that one beam combination 118 and the first photo luminescent 132, which are emitted, and conjunction is first chatted bright.
First beam combination 118 is directed at the first polarization spectroscope 142, and the first prism 204 in prism group 200 is set to
Between first polarization spectroscope 142 and the first wave plate 162.First beam combination, 118 opposite first polarization spectroscope 142 is S poles
Change, and as shown in figure 4, the first beam combination 118 will be reflected in the first polarization spectroscope 142.First beam combination 118 is by first
Polarization spectroscope 142 penetrates the first wave plate 162 after reflecting, and focuses on the first photo luminescent through the guiding of lens group 180
On 132.
Then, the first beam combination of part 118 is generated in the first photo luminescent 132 and is reflected, and first group of another part
Closing light beam 118 excites the first photo luminescent 132.Therefore, yellow light light beam 119 is emitted after the first photo luminescent 132 is stimulated,
The first beam combination 118 after wherein reflecting is advanced with yellow light light beam 119 with the former incident direction of parallel first beam combination 118,
And it is uniformly projected after the diffusion through the guiding of lens group 180 once again.
Since the first beam combination 118 after the first wave plate 162 is penetrated each time, quarter-wave phase will be generated
Potential difference.First beam combination 118 penetrates the first wave plate 162 once respectively before and after the first photo luminescent 132 reflects, and
The phase difference of half wavelength will be generated.Therefore, the first beam combination 118 passes through the change of half wavelength phase difference
Afterwards, switch to P polarization with respect to the first polarization spectroscope 142.
Again as shown in figure 4, polarized its wavelength location of first beam combination 118 of P is corresponding to the first polarization spectroscope 142
It penetrates.On the other hand, yellow light light beam 119 corresponds to the first polarization spectroscope 142 also to penetrate.
Therefore, from the first beam combination 118 and yellow light of 132 the first polarization spectroscope of directive 142 of the first photo luminescent
Light beam 119 will penetrate the first polarization spectroscope 142.According to one embodiment of the invention, the first prism 204 and total reflection gap 206
Between interface configurations be can allow for the first beam combination 118 from the first wave plate 162 and yellow light light beam 119 by and penetrate
To multiband filter plate 150.
Fig. 6 is please seen again, in penetrating in frequency spectrum for multiband filter plate 150, when the first beam combination 118 is incident upon multiband
During filter plate 150, the first blue light B1 in the first beam combination 118 will be reflected by multiband filter plate 150, the second blue light B2
Then pass through multiband filter plate 150.Meanwhile first 119 wave band of yellow light light beam of photo luminescent 132 be from 480 nanometers (nm)
To 700 nanometers (nm), when yellow light light beam 119 is incident upon multiband filter plate 150,536 nanometers are located in 119 wavelength of yellow light light beam
(nm) to the light (including feux rouges R1 and green light G2) between 622 nanometers (nm) will be reflected in multiband filter plate 150.According to above-mentioned
Light path setting, the first beam combination 118 and yellow light light beam 119 are incident in a manner of parallel to each other and reflection is filtered in multiband
Piece 150, and after the first beam combination 118 and yellow light light beam 119 reflect multiband filter plate 150, parallel to each other has
First blue light B1 and the yellow light light beam 119 with yellow light will collectively constitute the first combination of primaries (B1G2R1).Finally, prism group
Interface between 200 and total reflection gap 206 can reflex to the first combination of primaries from multiband filter plate 150 such as arrow
Signified direction 102, to complete the output of the first combination of primaries in six primary color solid state light sources 100.
[second mode]
With reference to Fig. 8, the light path schematic diagram of the second mode for six primary color solid state light sources of the invention.Light in the present embodiment
The second polarization spectroscope 140 for coordinating Fig. 3 is penetrated frequency spectrum by road narration, and the green light reflector 141 of Fig. 4 penetrates frequency spectrum and Fig. 6
Multiband filter plate 150 penetrate frequency spectrum and explain.In addition, for convenience of description, the blue laser output list in schema and explanation
Member 300 exports the first blue light B1 and second blue light B2 (second mode), 112 and second light of red-light source of P polarisations
The light that electroluminescent member 130 is emitted only is illustrated with a light.Also, blue laser output unit 300 export P polarisations this
One blue light B1 and second blue light B2 (second mode) is the second beam combination 115, what the second photo luminescent 130 was emitted
It is red light beam 117 to be emitted by green beam 116 and red-light source 112, and conjunction is first chatted bright.
Emit the second beam combination 115 and red light beam 117 is directed at the second polarization spectroscope 140, wherein the second combination light
Beam 115 and opposite second polarization spectroscope 140 of red light beam 117 are all P polarization.Therefore, as shown in figure 3, P polarized second
Beam combination 115 and red light beam 117 will penetrate the second polarization spectroscope 140.Then, the second beam combination 115 is by directive
Second photo luminescent 130, and red light beam 117 is by directive multiband filter plate 150.
Second beam combination 115 penetrate after the second polarization spectroscope 140 and the second wave plate 160 through lens group 180 into
Enter the second photo luminescent 130, wherein the second beam combination 115 focuses on the second luminescence generated by light through the guiding of lens group 180
On part 130.
Then, the second beam combination of part 115 is generated in the second photo luminescent 130 and is reflected, and second group of another part
Closing light beam 115 excites the second photo luminescent 130.Therefore, green beam 116 is emitted after the second photo luminescent 130 is stimulated,
The second beam combination 115 after wherein reflecting is advanced with green beam 116 with the former incident direction of parallel second beam combination 115,
And the guiding of lens group 180, equably the second polarization spectroscope of directive 140 after lens group 180 spreads light are penetrated once again.
After penetrating the second wave plate 160 each time due to the second beam combination 115, quarter-wave phase will be generated
Difference.That is, the second beam combination 115 penetrates the second wave plate 160 respectively before and after the second photo luminescent 130 reflects
Once, thus will generate half wavelength phase difference.And opposite second polarization spectroscope 140 is P polarized second originally
Beam combination 115 after the change of half wavelength phase difference, switchs to S poles with respect to the second polarization spectroscope 140
Change.
Again as shown in figure 3, the second beam combination 115 generates reflection under S polarization, in the second polarization spectroscope 140.And
As described above, green beam 116 caused by the second photo luminescent 130, then reflected by green light reflector 141.
Therefore, from the second beam combination 115 and green light of 130 the second polarization spectroscope of directive 140 of the second photo luminescent
Light beam 116 will be reflected in the second polarization spectroscope 140.And the second polarization spectroscope 140 is non-parallel with the second wave plate 160
Setting so that the red light beam of the second beam combination 115, green beam 116 with penetrating the second polarization spectroscope 140 after reflection
117 will directive multiband filter plate 150 together.
In the above-described embodiments, can be avoided with green beam 116 through the second polarization spectroscope 140 because angular deviation and
Cause the situation of spectroscope light splitting failure.
Fig. 6 is please seen again, when the second beam combination 115 and red light beam 117 are incident upon multiband filter plate 150,
The first blue light B1 in two beam combinations 115 is reflected, and the second blue light B2 then penetrates multiband filter plate 150.And red light beam
(R2) 117 (wave crest is located at be 637 nanometers (nm) between 641 nanometers (nm)) all penetrates multiband filter plate 150.
Then, 116 wave band of green beam of the second photo luminescent 130 is from 470 nanometers (nm) to 700 nanometers (nm),
When green beam 116 is incident upon multiband filter plate 150, wavelength is located at 470 nanometers (nm) between 536 nanometers (nm) and being more than
The light of 622 nanometers (nm) will penetrate multiband filter plate 150.And in 116 wavelength of green beam, more than 622 nanometers (nm)
Light intensity only accounts for fraction, therefore the second photo luminescent 130 penetrates the light of multiband filter plate 150 with 495 nanometers (nm) extremely
Based on the green light of 536 nanometers (nm), i.e., corresponding to the green wavelength G1 of Fig. 5.
It is set according to above-mentioned light path, the second blue light B2, green beam 116 and red light beam 117 are with side parallel to each other
Formula is incident and penetrates multiband filter plate 150, and when the second blue light B2, red light beam 117 and green beam 116 penetrate multifrequency
After section filter plate 150, the second combination of primaries (B2G1R2) will be collectively constituted.
Finally, the interface between prism group 200 and total reflection gap 206 can be by second from multiband filter plate 150
Combination of primaries reflexes to direction 102 as indicated with an arrow, with complete six primary color solid state light sources 100 in the second combination of primaries it is defeated
Go out.
In summary, six primary color solid state light sources of the invention are to export the first combination of primaries and the second combination of primaries,
In two groups of combination of primaries be respectively provided with blue, green and red primitive color light.
Using six primary color solid state light sources of the embodiment of the present invention, due to the first blue light source persistently lighted and second
Blue light source respectively excites the first photo luminescent and the second photo luminescent, thus can greatly improve yellow light with
And the booster dose of green light, effective lifting system brightness.
Although the present invention is disclosed above with specific preferred embodiment, however, it is not to limit the invention, any ripe
Skilled person is practised, without departing from the spirit and scope of the present invention, still can make some changes and embellishment, therefore the present invention
Protection domain is when subject to appended as defined in claim.
Claims (8)
1. a kind of six primary color solid state light sources, which is characterized in that including：
One blue laser output unit continues to export one first blue light and one second blue light, the wave-length coverage of first blue light simultaneously
Different from the wave-length coverage of second blue light, wherein, under a first mode, first blue light and second blue light are modulated
One first combination light is output into for the first polarisation, under a second mode, first blue light and second blue light are adjusted
It is made as the second polarisation and is output into one second combination light；
One red-light source provides a feux rouges；
One first photic hair element；
One second photic hair element；
One first optical module, first optical module include one first polarization spectroscope and one first quarter-wave plate,
After the first combination light enters first optical module, reflected by first polarization spectroscope and pass through first quarter-wave
Piece and contact the first photic hair element, then, which passes back through first quarter-wave plate, and by this
One polarization spectroscope is reflected；
One second optical module, second optical module include one second polarization spectroscope, one second quarter-wave plate and
One green light reflector, it is reflective across second polarization spectroscope, the green light after which enters second optical module
Plate and second quarter-wave plate and contact the second photic hair element, then, the second combination light pass back through this
Two quarter-wave plates, and reflected by second polarization spectroscope；
One multiband filter plate；And
One prism group,
Wherein, under the first mode, which enters first optical module, which is carried out
Excitation to generate a yellow light, the yellow light with this first combine light pass through first optical module, and by the multiband filter plate into
Row filtering, to generate one first primary color set closing light, which exports by the prism group,
Wherein, under the second mode, the second combination light and the feux rouges enter second optical module, the second combination light
To this second it is photic hair element excited to generate a green light, the feux rouges, green light with this first combine light pass through second light
Module is learned, and is filtered by the multiband filter plate, to generate one second primary color set closing light, which passes through
The prism group and export.
2. six primary color solid state light sources as described in claim 1, wherein, which includes：
One first blue light source provides first blue light；
One first optical modulation element modulates first blue light as polarised light；
One second blue light source, provides second blue light, and the wave-length coverage of first blue light is different from the wavelength of second blue light
Range；
One second optical modulation element modulates second blue light as polarised light；
One polarization spectroscope, including one first incidence surface, one second incidence surface, one first light-emitting surface and one second light extraction
Face；
One first half-wave plate, set on first light-emitting surface；And
One second half-wave plate, set on second light-emitting surface；
Wherein, under the first mode, which is modulated to the second polarisation by first optical modulation element, first blue light
Into first incidence surface, the first polarisation is modulated to across the polarization spectroscope, and by second half-wave plate, second blue light
First polarisation is modulated to by second optical modulation element, which enters second incidence surface, and is divided by the polarization
Mirror is reflected, whereby the output the first combination light；
Wherein, under the second mode, which is modulated to the first polarisation by first optical modulation element, first blue light
It into first incidence surface, is reflected by the polarization spectroscope, and the second polarisation is modulated to by first half-wave plate, this second
Blue light is modulated to the second polarisation by second optical modulation element, which enters second incidence surface, and passes through the polar biased
Change spectroscope, whereby the output the second combination light.
3. six primary color solid state light sources as described in claim 1, wherein, which is a blue light rotatory polarization
Spectroscope.
4. six primary color solid state light sources as described in claim 1, wherein, the green light which is excited,
It is reflected across second quarter-wave plate, and by the green light reflector.
5. six primary color solid state light sources as described in claim 1, wherein, which is a grid polarization spectro
Mirror.
6. six primary color solid state light sources as described in claim 1, wherein, first blue light source, second blue light source and
The red-light source is laser.
7. such as six primary color solid state light sources that claim 1 is stated, wherein, which includes one first prism and one second rib
Mirror, and first prism and second prism are defining a total reflection gap therebetween.
8. six primary color solid state light sources as described in claim 1, wherein, when first beam combination is incident upon the multiband filter plate
When, first blue light in first beam combination will be reflected by the multiband filter plate, which then passes through this more
Frequency range filter plate, when second beam combination is incident upon the multiband filter plate, first blue light in second beam combination
It is reflected, which then penetrates the multiband filter plate.
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| CN105652458B true CN105652458B (en) | 2018-06-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102549492A (en) * | 2009-09-28 | 2012-07-04 | 日本电气株式会社 | Light source device and projection display device using same |
| CN103792765A (en) * | 2012-10-31 | 2014-05-14 | 台达电子工业股份有限公司 | Stereoscopic display solid-state light source module |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2013072901A (en) * | 2011-09-26 | 2013-04-22 | Sanyo Electric Co Ltd | Light source device and projection type video display device |
| JP2013114229A (en) * | 2011-11-30 | 2013-06-10 | Sanyo Electric Co Ltd | Light source device and projection video display apparatus |
| JP6290523B2 (en) * | 2012-03-02 | 2018-03-07 | セイコーエプソン株式会社 | projector |
| JP2014186080A (en) * | 2013-03-22 | 2014-10-02 | Panasonic Corp | Light source device and projection video display device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102549492A (en) * | 2009-09-28 | 2012-07-04 | 日本电气株式会社 | Light source device and projection display device using same |
| CN103792765A (en) * | 2012-10-31 | 2014-05-14 | 台达电子工业股份有限公司 | Stereoscopic display solid-state light source module |
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