CN102052604B - Illumination system and projection device - Google Patents
Illumination system and projection device Download PDFInfo
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- CN102052604B CN102052604B CN2009102090374A CN200910209037A CN102052604B CN 102052604 B CN102052604 B CN 102052604B CN 2009102090374 A CN2009102090374 A CN 2009102090374A CN 200910209037 A CN200910209037 A CN 200910209037A CN 102052604 B CN102052604 B CN 102052604B
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- 238000005538 encapsulation Methods 0.000 claims description 19
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Abstract
The invention discloses an illumination system and a projection device. The illumination system comprises a wafer package body, a first dichroic coating, a second dichroic coating and a third dichroic coating, wherein the first dichroic coating, the second dichroic coating and the third dichroic coating are not in parallel with one another and not crossed. The wafer package body comprises a first luminous wafer, a second luminous wafer and a third luminous wafer which are all arranged in a transverse row and which emit different colored lights, and the first luminous wafer, the second luminous wafer and the third luminous wafer are suitable for emitting a first light beam, a second light beam and a third light beam respectively. The first dichroic coating is suitable for reflecting the first light beam and being penetrated through by the second light beam, the second dichroic coating is suitable for reflecting the second light beam, the first dichroic coating and the second dichroic coating are suitable for being penetrated through by the third light beam, and the third dichroic coating is suitable for reflecting the third light beam. The illumination system has excellent utilization rate of light and space.
Description
[technical field]
The present invention is about a kind of illuminator and comprise the projection arrangement of this illuminator.
[background technology]
Progress along with display technique, projection arrangement is except adopting high-pressure sodium lamp (the ultra high pressure lamp that sends white light, UHP lamp) collocation colour wheel (color wheel) produces ruddiness, green glow and blue light in regular turn, so that projection arrangement provides outside the chromatic image picture, recently more develop and that (light emitting diode is LED) as the projection arrangement of light source with red, green and blue LED.
As shown in Figure 6, in the projection arrangement 100 of light emitting diode as light source with red, blue, green three looks, normally close light with X-mirror (X-mirror) 102.For example, the X-mirror comprises red dichroic mirrors 102a and the blue dichroic mirror 102b of the configuration that crosses one another, the red beam that red light emitting diodes 104R sends can be reflected by red dichroic mirrors 102a, the blue light beam that blue LED 104B sends can be reflected by blue dichroic mirror 102b, and the green beam that green LED 104G sends then can penetrate red dichroic mirrors 102a and blue dichroic mirror 102b.See through X-mirror (X-mirror) to the not same-action of the light beam of different colours, red, green, blue tri-color beam that can direction of transfer is different is directed to same direction, again by a fly lens (fly-eye lens) 106 even light.Then, the red, green, blue tri-color beam of mirror 108 deviations is reflected, (digital micro-mirror device DMD) after 110 the effect, just can form colored image strip and enter a projection lens 112 numerical digit micro-mirror element in the process projection arrangement.
Yet in X-mirror 102, because red dichroic mirrors 102a and blue dichroic mirror 102b can't produce normal guide function to the red, green, blue tri-color beam in the zone (zone that namely crosses one another) of gummed mutually, this can cause light loss.In addition, when light source was changed into light emitting diode by traditional high-pressure sodium lamp, the sectional area of the light beam that the relative light emitting diode of area in gummed zone sends can become bigger, and this can cause the more light loss of vast scale.Moreover in the projection arrangement that adopts the X-mirror, red beam, green beam and blue light beam be from three different direction incident X-mirrors 102, makes that the space availability ratio of element of projection arrangement inside is not good, and then cause projection arrangement too huge.
In addition, as shown in Figure 7, United States Patent (USP) notification number 7201498 discloses a kind of photosystem that closes, wherein light emitting diode 124B, 124G, 124R by the reflection of three dichronic mirror 122B, the 122G that are not parallel to each other each other, 122R and imaging to illumination target 126.Yet this one is designed to a simple photosystem that closes, the design that discloses as how further to improve light utilization efficiency and reduced volume when applying to a projection arrangement.Similarly existing design example such as United States Patent (USP) notification number 6910777,6987546 also disclose the design that comprises three dichronic mirrors that are not parallel to each other each other, yet these prior aries do not provide the design of further raising light utilization efficiency and space availability ratio equally.
[summary of the invention]
The invention provides illuminator and the projection arrangement of a kind of tool good light utilization factor and space availability ratio.
Other purposes of the present invention and advantage can be further understood from the disclosed technical characterictic of the present invention.
For reaching one of above-mentioned or partly or all purposes or other purposes, the invention provides a kind of illuminator, comprise a wafer encapsulation body, one first dichroic coating, one second dichroic coating and one the 3rd dichroic coating.Wafer encapsulation body comprises one first luminescent wafer that is suitable for sending one first light beam, one the 3rd luminescent wafer that is suitable for sending one second luminescent wafer of one second light beam and is suitable for sending one the 3rd light beam.First luminescent wafer, second luminescent wafer and the 3rd luminescent wafer are arranged in a line, and the color of first light beam, second light beam and the 3rd light beam differs from one another.One first dichroic coating is disposed on the bang path of first light beam, second light beam and the 3rd light beam, and one second dichroic coating is disposed on the bang path of second light beam and the 3rd light beam, and one the 3rd dichroic coating is disposed on the bang path of the 3rd light beam.First dichroic coating, second dichroic coating and the 3rd dichroic coating are not parallel and do not intersect and be first dichroic coating, second dichroic coating and the 3rd dichroic coating in regular turn according to the order of adjacent wafer packaging body each other, first dichroic coating is suitable for reflecting first light beam, first dichroic coating is suitable for being penetrated by second light beam and second dichroic coating is suitable for reflecting second light beam, and first dichroic coating and second dichroic coating are suitable for being penetrated by the 3rd light beam and the 3rd dichroic coating is suitable for reflecting the 3rd light beam.After first light beam, second light beam and the 3rd light beam left first dichroic coating, second dichroic coating and the 3rd dichroic coating, first light beam, second light beam and the 3rd light beam formed an illuminating bundle.
Described illuminator comprises that more a light uniformization element is disposed on the bang path of illuminating bundle, and wafer encapsulation body comprises that more lens cover first luminescent wafer, second luminescent wafer and the 3rd luminescent wafer.
Described illuminator, second luminescent wafer are arranged between first luminescent wafer and the 3rd luminescent wafer, and the size of first luminescent wafer and the 3rd luminescent wafer is all less than the size of second luminescent wafer.
The present invention also provides a kind of projection arrangement, comprises an illuminator, a light valve and a projection lens.Illuminator comprises a wafer encapsulation body, one first dichroic coating, one second dichroic coating and one the 3rd dichroic coating.Wafer encapsulation body comprises one first luminescent wafer that is suitable for sending one first light beam, one the 3rd luminescent wafer that is suitable for sending one second luminescent wafer of one second light beam and is suitable for sending one the 3rd light beam.First luminescent wafer, second luminescent wafer and the 3rd luminescent wafer are arranged in a line, and the color of first light beam, second light beam and the 3rd light beam differs from one another.One first dichroic coating is disposed on the bang path of first light beam, second light beam and the 3rd light beam, and one second dichroic coating is disposed on the bang path of second light beam and the 3rd light beam, and one the 3rd dichroic coating is disposed on the bang path of the 3rd light beam.First dichroic coating, second dichroic coating and the 3rd dichroic coating are not parallel and do not intersect and be first dichroic coating, second dichroic coating and the 3rd dichroic coating in regular turn according to the order of adjacent wafer packaging body each other, first dichroic coating is suitable for reflecting first light beam, first dichroic coating is suitable for being penetrated by second light beam and second dichroic coating is suitable for reflecting second light beam, and first dichroic coating and second dichroic coating are suitable for being penetrated by the 3rd light beam and the 3rd dichroic coating is suitable for reflecting the 3rd light beam.After first light beam, second light beam and the 3rd light beam left first dichroic coating, second dichroic coating and the 3rd dichroic coating, first light beam, second light beam and the 3rd light beam formed an illuminating bundle.Light valve is disposed on the bang path of illuminating bundle, and is suitable for illuminating bundle is converted to an image strip, and projection lens is disposed on the bang path of image strip.
Described projection arrangement more comprises an inner full-reflection prism, is disposed on the bang path of illuminating bundle and image strip, and between light valve and projection lens.
Described projection arrangement more comprises a catoptron, is disposed on the bang path of illuminating bundle, and between illuminator and light valve.
Described projection arrangement, light uniformization element are a fly lens, and fly lens comprises several and is the lens element that an array is arranged, and each lens element has the profile of being out of shape the hot spot complementation with an oblique incidence.
Described projection arrangement, illuminator more comprise a condenser lens, be disposed on the bang path of illuminating bundle, and between light uniformization element and light valve, and a central shaft of condenser lens is away from an optical axis of projection arrangement.
The present invention also provides a kind of projection arrangement, comprises an illuminator, a light valve, a light uniformization element and a projection lens.Illuminator comprises a wafer encapsulation body, one first dichroic coating, one second dichroic coating and one the 3rd dichroic coating.Wafer encapsulation body comprises one first luminescent wafer that is suitable for sending one first light beam, one the 3rd luminescent wafer that is suitable for sending one second luminescent wafer of one second light beam and is suitable for sending one the 3rd light beam.First luminescent wafer, second luminescent wafer and the 3rd luminescent wafer are arranged in a line, second luminescent wafer is arranged between first luminescent wafer and the 3rd luminescent wafer, the size of first luminescent wafer and the 3rd luminescent wafer is all less than the size of second luminescent wafer, and the color of first light beam, second light beam and the 3rd light beam differs from one another.One first dichroic coating is suitable for deviation first light beam, one second dichroic coating is suitable for deviation second light beam, and one the 3rd dichroic coating is suitable for deviation the 3rd light beam, first dichroic coating, second dichroic coating and the 3rd dichroic coating are not parallel and do not intersect each other, and after first light beam, second light beam and the 3rd light beam left first dichroic coating, second dichroic coating and the 3rd dichroic coating, first light beam, second light beam and the 3rd light beam formed an illuminating bundle.Light valve is disposed on the bang path of illuminating bundle, and is suitable for illuminating bundle is converted to an image strip.Light uniformization element is disposed on the bang path of illuminating bundle, and between first dichroic coating, second dichroic coating and the 3rd dichroic coating and light valve, and a projection lens is disposed on the bang path of image strip.
Illuminator of the present invention and projection arrangement have following one of them advantage at least, by above-mentioned design, because first dichroic coating, second dichroic coating and the 3rd dichroic coating do not intersect each other, therefore can not produce and to carry out the inactive area of normal boot effect to light, so have higher light utilization efficiency.In addition, because first dichroic coating, second dichroic coating and the 3rd dichroic coating do not need parallel each other, so just can control the reflection angle of first light beam, second light beam and the 3rd light beam respectively, because of the incident angle that causes from axle and the variation of incoming position, make first light beam, second light beam and the 3rd light beam can be parallel to each other as much as possible after leaving first dichroic coating so as to first luminescent wafer of revising the left and right sides and the 3rd luminescent wafer.Moreover, because first luminescent wafer, second luminescent wafer are to be contained in the same wafer encapsulation body and to be arranged in line with the 3rd luminescent wafer, so can promote the space availability ratio of projection arrangement, make projection arrangement can have smaller volume, and when three luminescent wafers are arranged in one line, further reduced volume and can project the less light hot spot that closes.Moreover, the different color of said lighting system and the visual projection arrangement of projection arrangement or the different light path design of brightness demand collocation.
For above-mentioned feature and advantage of the present invention can be become apparent, embodiment cited below particularly also cooperates appended graphicly, is described in detail below.
[description of drawings]
Fig. 1 is the structural representation of the projection arrangement of one of the present invention embodiment.
Fig. 2 A to Fig. 2 C is synoptic diagram, shows that the different light paths when three luminescent wafers are arranged in one line changes example.
Fig. 3 is the structural representation of the projection arrangement of another embodiment of the present invention.
Fig. 4 is synoptic diagram, shows the structural design of the light uniformization element of one embodiment of the invention.
Fig. 5 A and Fig. 5 B are synoptic diagram, show the eccentric design of projection arrangement of one embodiment of the invention.
Fig. 6 is the structural representation of an existing projection arrangement.
Fig. 7 is an existing structural representation that closes photosystem.
10 projection arrangements
12 illuminators
14 light valves
16 projection lens
22 wafer encapsulation bodies
221,222,223 luminescent wafers
221a, 222a, 223a light beam
224 lens
24,26,28 dichroic coatings
34,36,38 transparent substrates
42 light uniformization elements
421 lens elements
44 condenser lenses
46 catoptrons
48 image field lens
50 projection arrangements
52 inner full-reflection prisms
521 first prisms
522 second prisms
100 projection arrangements
102 X-mirrors
The 102a red dichroic mirrors
The 102b blue dichroic mirror
The 104B blue LED
The 104G green LED
The 104R red light emitting diodes
106 fly lenses
108 catoptrons
110 numerical digit micro-mirror elements
112 projection lens
122B, 122G, 122R dichronic mirror
124B, 124G, 124R light emitting diode
126 illumination target
The I illuminating bundle
The L image strip
The M optical axis
The N central shaft
[embodiment]
About aforementioned and other technology contents, characteristics and effect of the present invention, in the following detailed description that cooperates with reference to graphic embodiment, can clearly present.The direction term of mentioning in following examples, for example: upper and lower, left and right, front or rear etc. only are the directions with reference to annexed drawings.Therefore, the direction term of use is to illustrate not to be to limit the present invention.
Fig. 1 is the structural representation of the projection arrangement of one of the present invention embodiment.Please refer to Fig. 1, the projection arrangement 10 of present embodiment comprises an illuminator 12, a light valve 14 and a projection lens 16.Illuminator 12 comprises a wafer encapsulation body 22, one first dichroic coating 24, one second dichroic coating 26 and one the 3rd dichroic coating 28.Wafer encapsulation body 22 comprises one first luminescent wafer 221, one second luminescent wafer 222 and one the 3rd luminescent wafer 223 that is arranged in a line.First luminescent wafer 221 is suitable for sending one first light beam 221a, and second luminescent wafer 222 is suitable for sending one second light beam 222a, and the 3rd luminescent wafer 223 is suitable for sending one the 3rd light beam 223a.In the present embodiment, first luminescent wafer 221, second luminescent wafer 222 and the 3rd luminescent wafer 223 for example are LED wafer.Yet in other embodiments, first luminescent wafer 221, second luminescent wafer 222 and the 3rd luminescent wafer 223 can also be laser diode wafer or other suitable luminescent wafers.In addition, in the present embodiment, wafer encapsulation body 22 more comprises lens 224, and these lens 224 cover first luminescent wafer 221, second luminescent wafer 222 and the 3rd luminescent wafer 223, and are positioned on the bang path of the first light beam 221a, the second light beam 222a and the 3rd light beam 223a.Moreover the color of the first light beam 221a, the second light beam 222a and the 3rd light beam 223a differs from one another.In the present embodiment, the first light beam 221a for example is red beam, and the second light beam 222a is green beam for example, and the 3rd light beam 223a for example is blue light beam.Yet in other embodiments, the first light beam 221a, the second light beam 222a and the 3rd light beam 223a can also be respectively the light beam of other different colours.
In present embodiment, be first dichroic coating 24, second dichroic coating 26 and the 3rd dichroic coating 28 in regular turn according to the order of adjacent wafer packaging body 22.First dichroic coating 24 is disposed on the bang path of the first light beam 221a, the second light beam 222a and the 3rd light beam 223a, second dichroic coating 26 is disposed on the bang path of the second light beam 222a and the 3rd light beam 223a, and the 3rd dichroic coating 28 is disposed on the bang path of the 3rd light beam 223a, and wherein first dichroic coating 24, second dichroic coating 26 and the 3rd dichroic coating 28 are not parallel and do not intersect each other.First dichroic coating 24 is disposed at one of one first transparent substrates 34 surface, and second dichroic coating 26 is disposed at one of one second transparent substrates 36 surface, and the 3rd dichroic coating 28 is disposed at one of one the 3rd transparent substrates 38 surface.It should be noted that, the present invention does not limit the configuration of first dichroic coating 24, second dichroic coating 26 and the 3rd dichroic coating 28 as above-mentioned, in other embodiments, also first dichroic coating 24 and second dichroic coating 26 can be disposed at two offsides of first transparent substrates 34 and omit the 3rd transparent substrates 38.First dichroic coating 24 is suitable for reflecting the first light beam 221a, first dichroic coating 24 is suitable for being penetrated by the second light beam 222a and second dichroic coating 26 is suitable for reflecting the second light beam 222a, and first dichroic coating 24 and second dichroic coating 26 are suitable for being penetrated by the 3rd light beam 223a and the 3rd dichroic coating 28 is suitable for reflecting the 3rd light beam 223a.After the first light beam 221a, the second light beam 222a and the 3rd light beam 223a were leaving first dichroic coating 24, second dichroic coating 26 and the 3rd dichroic coating 28, the first light beam 221a, the second light beam 222a and the 3rd light beam 223a can form illuminating bundle I.
In addition, in the present embodiment, illuminator 12 more comprises a light uniformization element 42 and a condenser lens 44, light uniformization element 42 and condenser lens 44 are disposed on the bang path of a 221a light beam, the second light beam 222a and the 3rd light beam 223a, and between first dichroic coating 24 and light valve 14.Particularly, light uniformization element 42 for example is a fly lens (fly-eye lens), with so that illuminating bundle I be radiated at equably on the light valve 14.In addition, in the present embodiment, first luminescent wafer 221, second luminescent wafer 222 and the 3rd luminescent wafer 223 can flicker in turn, so that the color time to time change of illuminating bundle I when leaving second dichroic coating 26.For example, second luminescent wafer 222 can flicker earlier once, then first luminescent wafer 221 flickers once, and the 3rd luminescent wafer 223 flickers once more then, afterwards second luminescent wafer 222, first luminescent wafer 221 and the 3rd luminescent wafer 223 more according to this reiteration flicker.Thus, the color of illuminating bundle I when leaving second dichroic coating 26 can be green, red and blue in regular turn just, and constantly circulation of order according to this.Yet in other embodiments, first luminescent wafer 221, second luminescent wafer 222 and the 3rd luminescent wafer 223 can also be simultaneously luminous, to form the illuminating bundle I of white.Light valve 14 is disposed on the bang path of illuminating bundle I, and is suitable for illuminating bundle I is converted to an image strip L.In the present embodiment, light valve 14 for example is a numerical digit micro-mirror element, yet, in other embodiments, light valve 14 can also be a silica-based liquid crystal panel (liquid-crystal-on-silicon panel, LCOS panel) or a penetration liquid crystal panel (transmissive liquid crystal panel).Projection lens 16 is disposed on the bang path of image strip L, produces image frame image strip L is projected to screen (not shown).In addition, for further room for promotion utilization factor, in the present embodiment, projection arrangement 10 comprises that more a catoptron 46 is disposed on the bang path of illuminating bundle I, and between this illuminator 12 and light valve 14, catoptron 46 can make the bang path bending of illuminating bundle I, to reach the effect of room for promotion utilization factor.In addition, image field lens (field lens) 48 are configurable on the bang path of image strip L, and between light valve 14 and projection lens 16.
Embodiments of the invention have following one of them advantage at least, in the projection arrangement 10 of present embodiment, because first dichroic coating 24, second dichroic coating 26 and the 3rd dichroic coating 28 do not intersect each other, therefore can not produce the inactive area that to carry out the normal boot effect to light, so the projection arrangement 10 of present embodiment has higher light utilization efficiency.In addition, because first dichroic coating 24, second dichroic coating 26 and the 3rd dichroic coating 28 do not need parallel each other, so just can control the reflection angle of the first light beam 221a, the second light beam 222a and the 3rd light beam 223a respectively, because of the incident angle that causes from axle and the variation of incoming position, make the first light beam 221a, the second light beam 222a and the 3rd light beam 223a can be parallel to each other as much as possible after leaving first dichroic coating 24 so as to first luminescent wafer 221 of revising the left and right sides and the 3rd luminescent wafer 223.Moreover, because first luminescent wafer 221, second luminescent wafer 222 are to be contained in the same wafer encapsulation body 22 and to be arranged in line with the 3rd luminescent wafer 223, red, green, blue tri-color beam in existing projection arrangement is by three different direction incident X-mirrors, and projection arrangement 10 its first light beam 221a, the second light beam 222a and the 3rd light beam 223a of present embodiment are with same direction incident first dichroic coating 24.Thus, the space availability ratio of projection arrangement 10 just can promote, and then make projection arrangement 10 can have smaller volume, and and when three luminescent wafers 221,222,223 are arranged in one line, further reduced volume and can project the less light hot spot that closes.
Fig. 2 A to Fig. 2 C shows that the different light paths when three luminescent wafers are arranged in one line changes example.Shown in Fig. 2 A to Fig. 2 C, the present invention does not limit by that dichroic coating reflects certain one light beam, and visual different color light or different demand change arbitrarily.For example, shown in Fig. 2 A, the first light beam 221a, the second light beam 222a and the 3rd light beam 223a can be respectively by the 3rd dichroic coating 28, second dichroic coating 26, and first dichroic coating, 24 reflections, and in the arranging of Fig. 2 A, collocation places the centre of red light-emitting wafer and blue light emitting wafer with the green luminescence wafer, in light beam penetrate dichroic coating or by the dichroic coating reflection after have preferable frequency spectrum performance.Moreover, configuration as Fig. 2 B and Fig. 2 C, can arrange in pairs or groups and green glow is incident to the design of first dichroic coating 24, so can reduce the light loss when penetrating dichroic coating, provide more green glow that overall brightness is improved, and because green glow is reflected at first dichroic coating 24, blue light and ruddiness have preferable frequency spectrum performance and then promote the penetrance of ruddiness and blue light when penetrating dichroic coating.Therefore, the different light path design of the different color of visual projection arrangement 10 or brightness demand collocation.
Fig. 3 is the structural representation of the projection arrangement of another embodiment of the present invention.As shown in Figure 3, projection arrangement 50 comprises an inner full-reflection prism 52, and this inner full-reflection prism 52 is disposed on the bang path of illuminating bundle I and image strip L, and between light valve 14 and projection lens 16.Particularly, inner full-reflection prism 52 comprises one first prism 521 and one second prism 522, and keeps a clearance G between first prism 521 and second prism 522, to form a fully reflecting surface at first prism 521.Illuminating bundle I from light uniformization element 42 can enter via the incidence surface of first prism 521 in first prism 521, follows by the fully reflecting surface total reflection to light valve 14.Moreover, then penetrate first prism 521, clearance G and second prism 522 in regular turn and be passed to projection lens 16 from the image strip L of light valve 14.Moreover, as shown in Figure 3, second luminescent wafer 222 is arranged between first luminescent wafer 221 and the 3rd luminescent wafer 223, and the size of first luminescent wafer 221 and the 3rd luminescent wafer 223 is all less than the size of second luminescent wafer 222, so can dwindle the field point of luminescent wafer, and improve the optical efficiency of the left and right sides first luminescent wafer 221 and the 3rd luminescent wafer 223.
As shown in Figure 4, light uniformization element 42 can be a fly lens (fly-eyelens) in an embodiment, and fly lens comprises several and is the lens element 421 that an array is arranged.Generally speaking, because the light path in the projection arrangement can transfer, so the hot spot that forms on the light valve 14 can produce distortion.For example, as shown in Figure 4, have the lens element 421 ' of rectangular profile traditionally, can on light valve 14, form crooked parallelogram hot spot S ' because of the oblique incidence distortion.Therefore, the reverse shape Like design of present embodiment utilization, lens element 421 is designed to the parallelogram reverse crooked with hot spot S ', meaning is that each lens element 421 has the profile of being out of shape the hot spot complementation with an oblique incidence, so in can on light valve 14, forming the hot spot S of rectangle behind the oblique incidence, and can effectively improve light utilization efficiency and light uniformity coefficient.
In an embodiment, condenser lens 44 is disposed on the bang path of illuminating bundle I, and between light uniformization element 42 and light valve 14.The central shaft N of condenser lens 44 is away from an optical axis M of projection arrangement 10, for example central shaft N shown in Fig. 5 A dislocates some distance along X-direction and optical axis M, or central shaft N dislocates some distance along Y direction and optical axis M shown in Fig. 5 B, off-centre design by condenser lens 44, can the light path of increasing arranged under the range line From and adjust hot spot, but size of reduced projection device integral body and reduce light loss like this.
The above, it only is preferred embodiment of the present invention, when the scope that can not limit the invention process with this, namely the simple equivalent of being done according to the present patent application claim and invention description content generally changes and modifies, and all still belongs in the scope that patent of the present invention contains.Arbitrary embodiment of the present invention or claim must not reached whole purposes or advantage or the characteristics that the present invention discloses in addition.
Claims (17)
1. illuminator comprises:
One wafer encapsulation body comprises:
One first luminescent wafer is suitable for sending one first light beam;
One second luminescent wafer is suitable for sending one second light beam; And
One the 3rd luminescent wafer is suitable for sending one the 3rd light beam, and wherein this first luminescent wafer, this second luminescent wafer and the 3rd luminescent wafer are arranged in a line, and the color of this first light beam, this second light beam and the 3rd light beam differs from one another;
One first dichroic coating is disposed on the bang path of this first light beam, this second light beam and the 3rd light beam;
One second dichroic coating is disposed on the bang path of this second light beam and the 3rd light beam;
One the 3rd dichroic coating, be disposed on the bang path of the 3rd light beam, this first dichroic coating wherein, this second dichroic coating and the 3rd dichroic coating are not parallel and do not intersect and be this first dichroic coating in regular turn according to the order of contiguous this wafer encapsulation body each other, this second dichroic coating and the 3rd dichroic coating, this first dichroic coating is suitable for reflecting this first light beam, this first dichroic coating is suitable for being penetrated by this second light beam and this second dichroic coating is suitable for reflecting this second light beam, this first dichroic coating and this second dichroic coating are suitable for being penetrated by the 3rd light beam and the 3rd dichroic coating is suitable for reflecting the 3rd light beam, and when this first light beam, this second light beam and the 3rd light beam leave this first dichroic coating, after this second dichroic coating and the 3rd dichroic coating, this first light beam, this second light beam and the 3rd light beam form an illuminating bundle, wherein this first dichroic coating, the configuration of this second dichroic coating and the 3rd dichroic coating makes the light beam of winning, second light beam and the 3rd light beam are parallel to each other after leaving first dichroic coating;
One light uniformization element is disposed on the bang path of this illuminating bundle; And
One condenser lens is disposed on the bang path of this illuminating bundle, and contiguous this light uniformization element, and wherein this light uniformization element is disposed between this first dichroic coating and this condenser lens.
2. illuminator as claimed in claim 1, it is characterized in that: this wafer encapsulation body also comprises lens, and these lens cover this first luminescent wafer, this second luminescent wafer and the 3rd luminescent wafer.
3. illuminator as claimed in claim 1 is characterized in that: also comprise:
One first transparent substrates has a first surface, and wherein this first dichroic coating is disposed on this first surface;
One second transparent substrates has a second surface, and wherein this second dichroic coating is disposed on this second surface; And
One the 3rd transparent substrates has one the 3rd surface, and wherein the 3rd dichroic coating is disposed on the 3rd surface.
4. illuminator as claimed in claim 1, it is characterized in that: this second luminescent wafer is arranged between this first luminescent wafer and the 3rd luminescent wafer, and the size of this first luminescent wafer and the 3rd luminescent wafer is all less than the size of this second luminescent wafer.
5. illuminator as claimed in claim 1, it is characterized in that: this first light beam or this second light beam are a green beam.
6. projection arrangement comprises:
One illuminator comprises:
One wafer encapsulation body comprises:
One first luminescent wafer is suitable for sending one first light beam;
One second luminescent wafer is suitable for sending one second light beam; And
One the 3rd luminescent wafer is suitable for sending one the 3rd light beam, and wherein this first luminescent wafer, this second luminescent wafer and the 3rd luminescent wafer are arranged in a line, and the color of this first light beam, this second light beam and the 3rd light beam differs from one another;
One first dichroic coating is disposed on the bang path of this first light beam, this second light beam and the 3rd light beam;
One second dichroic coating is disposed on the bang path of this second light beam and the 3rd light beam;
One the 3rd dichroic coating, be disposed on the bang path of the 3rd light beam, this first dichroic coating wherein, this second dichroic coating and the 3rd dichroic coating are not parallel and do not intersect and be this first dichroic coating in regular turn according to the order of contiguous this wafer encapsulation body each other, this second dichroic coating and the 3rd dichroic coating, this first dichroic coating is suitable for reflecting this first light beam, this first dichroic coating is suitable for being penetrated by this second light beam and this second dichroic coating is suitable for reflecting this second light beam, this first dichroic coating and this second dichroic coating are suitable for being penetrated by the 3rd light beam and the 3rd dichroic coating is suitable for reflecting the 3rd light beam, and when this first light beam, this second light beam and the 3rd light beam leave this first dichroic coating, after this second dichroic coating and the 3rd dichroic coating, this first light beam, this second light beam and the 3rd light beam form an illuminating bundle, wherein this first dichroic coating, the configuration of this second dichroic coating and the 3rd dichroic coating makes the light beam of winning, second light beam and the 3rd light beam are parallel to each other after leaving first dichroic coating; And
One condenser lens is disposed on the bang path of this illuminating bundle;
One light valve, be disposed on the bang path of this illuminating bundle, and be suitable for this illuminating bundle is converted to an image strip, wherein this condenser lens is between a light uniformization element and this light valve, and a central shaft of this condenser lens is away from an optical axis of this projection arrangement; And
One projection lens is disposed on the bang path of this image strip.
7. projection arrangement as claimed in claim 6 is characterized in that: also comprises an inner full-reflection prism, is disposed on the bang path of this illuminating bundle and this image strip, and between this light valve and this projection lens.
8. projection arrangement as claimed in claim 6 is characterized in that: also comprises a catoptron, is disposed on the bang path of this illuminating bundle, and between this illuminator and this light valve.
9. projection arrangement as claimed in claim 6 is characterized in that: this light uniformization element, be disposed on the bang path of this illuminating bundle, and between this first dichroic coating and this light valve.
10. projection arrangement as claimed in claim 9, it is characterized in that: this light uniformization element is a fly lens.
11. projection arrangement as claimed in claim 10 is characterized in that: this fly lens comprises several and is the lens element that an array is arranged, and each this lens element has the profile of being out of shape the hot spot complementation with an oblique incidence.
12. a projection arrangement comprises:
One illuminator comprises:
One wafer encapsulation body comprises:
One first luminescent wafer is suitable for sending one first light beam;
One second luminescent wafer is suitable for sending one second light beam; And
One the 3rd luminescent wafer is suitable for sending one the 3rd light beam; Wherein this first luminescent wafer, this second luminescent wafer and the 3rd luminescent wafer are arranged in a line, this second luminescent wafer is arranged between this first luminescent wafer and the 3rd luminescent wafer, the size of this first luminescent wafer and the 3rd luminescent wafer is all less than the size of this second luminescent wafer, and the color of this first light beam, this second light beam and the 3rd light beam differs from one another;
One first dichroic coating is suitable for this first light beam of deviation;
One second dichroic coating is suitable for this second light beam of deviation; And
One the 3rd dichroic coating, be suitable for deviation the 3rd light beam, wherein this first dichroic coating, this second dichroic coating and the 3rd dichroic coating are not parallel and do not intersect each other, and after this first light beam, this second light beam and the 3rd light beam leave this first dichroic coating, this second dichroic coating and the 3rd dichroic coating, this first light beam, this second light beam and the 3rd light beam form an illuminating bundle, and wherein the configuration of this first dichroic coating, this second dichroic coating and the 3rd dichroic coating makes the light beam of winning, second light beam and the 3rd light beam parallel to each other after leaving first dichroic coating;
One light valve is disposed on the bang path of this illuminating bundle, and is suitable for this illuminating bundle is converted to an image strip;
One light uniformization element is disposed on the bang path of this illuminating bundle, and between this first dichroic coating, this second dichroic coating and the 3rd dichroic coating and this light valve; And
One projection lens is disposed on the bang path of this image strip.
13. projection arrangement as claimed in claim 12 is characterized in that: also comprise an inner full-reflection prism, be disposed on the bang path of this illuminating bundle and this image strip, and between this light valve and this projection lens.
14. projection arrangement as claimed in claim 12 is characterized in that: also comprise a catoptron, be disposed on the bang path of this illuminating bundle, and between this illuminator and this light valve.
15. projection arrangement as claimed in claim 12, it is characterized in that: this light uniformization element is a fly lens, this fly lens comprises several and is the lens element that an array is arranged, and each this lens element has the profile of being out of shape the hot spot complementation with an oblique incidence.
16. projection arrangement as claimed in claim 12 is characterized in that: this illuminator also comprises a condenser lens, and this condenser lens is disposed on the bang path of this illuminating bundle, and between this light uniformization element and this light valve.
17. projection arrangement as claimed in claim 16 is characterized in that: a central shaft of this condenser lens is away from an optical axis of this projection arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102090374A CN102052604B (en) | 2009-10-30 | 2009-10-30 | Illumination system and projection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102090374A CN102052604B (en) | 2009-10-30 | 2009-10-30 | Illumination system and projection device |
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| Publication Number | Publication Date |
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| CN102052604A CN102052604A (en) | 2011-05-11 |
| CN102052604B true CN102052604B (en) | 2013-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009102090374A Active CN102052604B (en) | 2009-10-30 | 2009-10-30 | Illumination system and projection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103048862A (en) * | 2011-10-14 | 2013-04-17 | 广景科技有限公司 | DLP (digital light projector) micro projector and projection method thereof |
| JP7090238B2 (en) | 2018-04-27 | 2022-06-24 | 日亜化学工業株式会社 | Light source module |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1467533A (en) * | 2002-06-20 | 2004-01-14 | 三星电子株式会社 | Image display apparatus having optical scanner |
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| KR100930237B1 (en) * | 2002-06-25 | 2009-12-09 | 삼성전자주식회사 | Illumination optical system employing a dichroic mirror wheel and an image display device having the same |
| CN101749557B (en) * | 2008-12-11 | 2011-08-10 | 扬明光学股份有限公司 | Lighting system and projector |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1467533A (en) * | 2002-06-20 | 2004-01-14 | 三星电子株式会社 | Image display apparatus having optical scanner |
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