CN105759548A - Projector - Google Patents
Projector Download PDFInfo
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- CN105759548A CN105759548A CN201610235696.5A CN201610235696A CN105759548A CN 105759548 A CN105759548 A CN 105759548A CN 201610235696 A CN201610235696 A CN 201610235696A CN 105759548 A CN105759548 A CN 105759548A
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- lens
- prism
- battery
- scialyscope
- digital micro
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- 238000003384 imaging method Methods 0.000 claims abstract description 23
- 238000005286 illumination Methods 0.000 claims description 43
- 230000007306 turnover Effects 0.000 abstract 5
- 239000011521 glass Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000011514 reflex Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000006059 cover glass Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2066—Reflectors in illumination beam
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
- G02B26/0833—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements the reflecting element being a micromechanical device, e.g. a MEMS mirror, DMD
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/005—Projectors using an electronic spatial light modulator but not peculiar thereto
- G03B21/008—Projectors using an electronic spatial light modulator but not peculiar thereto using micromirror devices
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Elements Other Than Lenses (AREA)
- Projection Apparatus (AREA)
- Studio Devices (AREA)
Abstract
The invention provides a projector, the projector comprises an illuminating system, a two-axle turnover digital micromirror device, a first prism, a second prism and a lens. The illuminating system emits incident light. The digital micromirror device receives the incident light and converts the incident light into imaging light. The two-axle turnover digital micromirror device comprises two opposite first long edges and two opposite first short edges. The first prism is configured between the illuminating system and the two-axle turnover digital micromirror device and comprises a first side and a second side. The second prism is configured between the first prism and the two-axle turnover digital micromirror device and comprises a third side, a fourth side and a fifth side, the incident light passes through the third side and the fourth side and is transmitted to the two-axle turnover digital micromirror device. The imaging light passes through the fourth side, is reflected by the third side, passes through the fifth side and is transmitted to the lens. The fourth side comprises two opposite second long edges and two opposite second short edges, the second long edges are parallel to the first long edges, and the second short edges are parallel to the second short edges. The lens receives and projects the imaging light.
Description
Technical field
The invention relates to a kind of scialyscope, in particular to a kind of scialyscope with the two convertible digital micro-mirror devices of axle.
Background technology
Scialyscope utilizes image-forming principle and by digital micro-mirror device (DigitalMicro-mirrorDevice), can be projected to by micro image on upper jumbo screen, and provides enough brightness, and image information is shared with everybody.
Fig. 1 is the element architecture figure of conventional projectors 1, as shown in Figure 1, conventional projectors 1 contains digital micro-mirror device 10, reflection (TotalInternalReflection, TIR) prism group 11, reflecting mirror 12, lens module 13 and light guide (LightPipe) 14.In order to define view directions, the right of Fig. 1 shows that 3 of rectangular coordinate system are axial.With Fig. 1, X-axis is that Y-axis is by initial point downwardly direction by initial point direction to the right, Z axis be refer to into direction.In conventional projectors 1, light through lens module 13 via light guide 14, reflexes to total-reflection prism group 11 then through by reflecting mirror 12, finally via digital micro-mirror device 10, imaging is reached camera lens and be projected on screen.But, around the digital micro-mirror device 10 of single-shaft-rotation because the restriction of physical characteristic in conventional projectors 1, incident illumination can only be accepted to slant incidence.Therefore, the relative digital micro-mirror device 10 of total-reflection prism group 11 tilts an angle and arranges (such as 45 degree), the volume causing conventional projectors 1 is restricted by this, in the today pursuing microminiaturization scialyscope, conventional projectors 1 excessive volume will cause that convenience deficiency loses competitiveness gradually.
Therefore, the scialyscope developing a kind of small volume is very important.
Summary of the invention
It is an object of the invention to provide a kind of scialyscope, configure and light path architecture design by the component space of its optimization, effectively reduce the height of scialyscope and then the overall volume of reduced projection machine.
For reaching above-mentioned purpose, one scialyscope of the present invention, including illuminator, the two convertible digital micro-mirror devices of axle, the first prism, the second prism and camera lens.Wherein, illuminator is suitable to send incident illumination, and the two convertible digital micro-mirror devices of axle are suitable to receive this incident illumination and convert imaging to, and this convertible digital micro-mirror device of two axles is the first rectangle having relative two first long limits with relative two first minor faces；First prism, is configured between this illuminator and this convertible digital micro-mirror device of two axles, and this first prism includes first and adjacent second, and this incident illumination is sequentially through this first and this second；Second prism, it is configured between this first prism and this convertible digital micro-mirror device of two axles, this second prism includes the 3rd, fourth face and the 5th, 3rd face is adjacent to this fourth face and the 5th, this fourth face is towards this convertible digital micro-mirror device of two axles, this incident illumination is sequentially through the 3rd, this fourth face is transferred to this convertible digital micro-mirror device of two axles, this imaging is sequentially through this fourth face, through the 3rd reflection, it is transferred to this camera lens through the 5th face, wherein this fourth face is the second rectangle having relative two second long limits with relative two second minor faces, and those second long limits are parallel to those the first long limits, those second minor faces are parallel to those the first minor faces；Camera lens, relatively the 5th setting, be suitable to receive and project this imaging.
It is also preferred that the left this illuminator includes: light source module, the first battery of lens and the second battery of lens.Wherein, light source module, be suitable to send this incident illumination；First battery of lens, is configured between this first prism and this light source module and near this light source module, this first battery of lens is suitable to transmit this incident illumination；Second battery of lens, is configured between this first battery of lens and this first prism, and this second battery of lens is suitable to transmit this incident illumination from this first battery of lens.
It is also preferred that the left the effective focal length of this first battery of lens is be more than or equal to 12 millimeters and less than or equal to 30 millimeters.
It is also preferred that the left the effective focal length of these the second lens is be more than or equal to 30 millimeters and less than or equal to 50 millimeters.
Preferably, this illuminator also includes reflection module and shading piece, reflection module is configured between this first battery of lens and this second battery of lens, this reflection module is suitable to this incident illumination from this first battery of lens is reflexed to this second battery of lens, and shading piece is configured between this first battery of lens and this reflection module.
Preferably, this first battery of lens includes the first lens and the second lens, this second battery of lens includes the 3rd lens, these first lens are between this light source module and this second lens, these second lens are between these first lens and this reflection module, 3rd lens are between this reflection module and this first prism, these second lens have the first exiting surface towards this reflection module, 3rd lens have the incidence surface towards this reflection module, this first exiting surface this reflection module first apart is apart from D1, this reflection module is at a distance of this incidence surface second distance D2, this incidence surface is at a distance of this two axle convertible digital micro-mirror device the 3rd distance D3, and 0.5 D3/ (D1+D2) 1.
It is also preferred that the left the summation of this first distance D1 and this second distance D2 is be more than or equal to 20 millimeters and less than or equal to 50 millimeters.
It is also preferred that the left the 3rd distance D3 is be more than or equal to 20 millimeters and less than or equal to 50 millimeters.
It is also preferred that the left these second lens are non-spherical lens.
It is also preferred that the left the refractive index of this first prism is less than the refractive index of this second prism.
It is also preferred that the left this second prism is isosceles right triangle prism cylinder.
Compared with prior art, the scialyscope of the embodiment of the present invention, it has the two convertible digital micro-mirror devices of axle, and the characteristic according to the two convertible digital micro-mirror devices of axle carries out the space configuration of element and the design of light path, characteristic due to the two convertible digital micro-mirror devices of axle, make not have unnecessary angle between prism group (combination of the first prism and the second prism) and digital micro-mirror device, therefore, the space configuration of element and the design of light path can be optimized further, and then reach the purpose that reduced projection body is long-pending.
For the above and other purpose of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and coordinate institute's accompanying drawings, it is described in detail below.
Accompanying drawing explanation
Fig. 1 is the element architecture figure of conventional projectors.
Fig. 2 is the element architecture schematic diagram of the scialyscope of one embodiment of the invention.
Fig. 3 is the close-up schematic view of the scialyscope element architecture shown in Fig. 2.
Fig. 4 is the schematic top plan view of the scialyscope element architecture shown in Fig. 2.
Detailed description of the invention
For making the purpose of the present invention, structure, feature and function thereof are had further understanding, hereby embodiment is coordinated to describe in detail as follows.
Refer to the element architecture schematic diagram of the scialyscope that Fig. 2 to Fig. 4, Fig. 2 are one embodiment of the invention, Fig. 3 is the close-up schematic view of the scialyscope element architecture shown in Fig. 2, and Fig. 4 is the schematic top plan view of the scialyscope element architecture shown in Fig. 2.As shown in Figures 2 to 4, the scialyscope 2 of the present embodiment includes illuminator 20, two axle convertible digital micro-mirror device the 21, first prism the 22, second prism 23 and camera lens 24.Illuminator 20 is suitable to send incident illumination A.The two convertible digital micro-mirror devices 21 of axle are covered by glass (coverglass) 25 and are suitable to receive the incident illumination A that sends of illuminator 20 and be converted to imaging B.Specifically, the two convertible digital micro-mirror devices of axle 21 are the two convertible wafer set of axle (TRP (Tilt&RollPixel) of Texas InstrumentPicoTMchipset), having multiple micro mirror for reflecting incident illumination A is imaging B, and two the outward appearance configuration of the convertible digital micro-mirror device 21 of axle be such as the plane device of rectangle, it has the long limit 211 of relative two first and two first relative minor faces 212, more specifically, in the present embodiment, the micro mirror (not showing in detail in this figure) of the two convertible digital micro-mirror devices of axle 21 is turning in opening (ON), (OFF) two state of closedown, when micro mirror is closed mode, micro mirror respectively overturns 12 degree along two diagonal, equivalence overturns 17 degree relative to the first direction, long limit 211 (X axis), in order to incident illumination A is reflected into imaging B with about 34 to 36 degree.First prism 22 is configured between illuminator 20 and the convertible digital micro-mirror device 21 of two axles, the first prism 22 include first F1 and with first adjacent for F1 second F2.Second prism 23 is configured between the first prism 22 and the convertible numerical digit microlens device 21 of two axles, and second prism 23 include the 3rd F3, fourth face F4 and the 5th F5, wherein the 3rd F3 is adjacent to five F5 of fourth face F4 and the, fourth face F4 is towards the two convertible digital micro-mirror devices 21 of axle, and the 5th F5 is towards camera lens 24.The fourth face F4 of the second prism 23 is such as rectangle, it has relative two second long limits 231 and relative two second minor faces 232, and these second long limits 231 are parallel to these first long limits 211 of the two convertible digital micro-mirror devices of axle 21, these second minor faces 232 are parallel to these first minor faces 212 of the two convertible digital micro-mirror devices 21 of axle, in the present embodiment, second prism 23 is such as isosceles right triangle prism cylinder, but the present invention is not limited thereto.Camera lens 24 is relative to the 5th F5 of the second prism, and camera lens 24 is suitable to receive and projection imaging light B.
After illuminator 20 sends incident illumination A, incident illumination A is sequentially transferred to the two convertible digital micro-mirror devices 21 of axle through the 3rd F3 and fourth face F4 of first F1 and second F2 of the first prism 22 and the second prism 23, now, incident illumination A is reflected and is converted to imaging B by the two convertible digital micro-mirror devices 21 of axle.When the two convertible digital micro-mirror devices 21 of axle are opening (ON), imaging B sequentially through the second prism 23 fourth face F4 and be transferred to the 3rd F3, imaging B by the 3rd F3 reflex to the 5th F5 and through the 5th F5 and be transferred to camera lens 24.The light path traveling process of incident illumination A and imaging B will illustrate in back segment more specifically.
Hereinafter again the element architecture of the scialyscope 2 of the present embodiment is done and further describe.
As in figure 2 it is shown, the illuminator 20 of the present embodiment includes light source module the 201, first battery of lens 202 and the second battery of lens 203.First battery of lens 202 is configured between the first prism 22 and light source module 201 and near light source module 201.Second battery of lens 203 is configured between the first battery of lens 202 and the first prism 22.Light source module 201 includes light source LS and light-guide device LG, light source LS and is suitable to send incident illumination A, light-guide device LG and is configured between light source LS and the first battery of lens 202.The function of above-mentioned light-guide device LG, the first battery of lens 202 and the second battery of lens 203 is all be in that the transmission light source LS incident illumination A sent, and first battery of lens 202 and the second battery of lens 203 there is the physical characteristic of focusing, and carrying out boundling incident illumination A by this characteristic so that incident illumination A can be incident upon the two convertible digital micro-mirror devices 21 of axle exactly.In the present embodiment, the effective focal length of the first battery of lens 202 is such as greater than being equal to 12 millimeters and less than or equal to 30 millimeters, and the effective focal length of the second battery of lens 203 is such as greater than being equal to 30 millimeters and less than or equal to 50 millimeters.Specifically be, the effective focal length numerical value of above-mentioned first battery of lens 202 and the second battery of lens 203 is only one of them embodiment of the present invention, but the present invention is not limited thereto, in other embodiments, there is different effective focal length scopes in response to the system architecture of different product.
As in figure 2 it is shown, the illuminator 20 of the present embodiment also includes reflection module 204.Reflection module 204 is configured between the first battery of lens 202 and the second battery of lens 203, and reflection module 204 is suitable to the incident illumination A from the first battery of lens 202 is reflexed to the second battery of lens 203.In addition, in the present embodiment, shading piece 205 can be configured between the first battery of lens 202 and reflection module 204, its object is to, when incident illumination A is focused on the front reflecting module 204 by the first battery of lens 202, unnecessary light enters in camera lens 24 to utilize shading piece 205 to stop, and then is effectively improved image quality.Specifically be, in the element architecture of the present embodiment scialyscope 2, configuration reflection module 204 and shading piece 205 are only one of them embodiment of the present invention, the present invention is not limited thereto, in other embodiments, it is possible to depending on the actual demand of product, reflection module 204 and shading piece 205 are removed from the element architecture of scialyscope 2.
Specifically, as in figure 2 it is shown, first battery of lens 202 of the present embodiment includes the first lens Ls1 and the second lens Ls2, and the second battery of lens 203 includes the 3rd lens Ls3.In the present embodiment, first lens Ls1 is such as spherical lens, second lens Ls2 is such as non-spherical lens, 3rd lens Ls3 is such as spherical lens, but the present invention is not limited thereto, the actual demand of the first lens Ls1, the second lens Ls2 and the 3rd lens Ls3 visible product and select spherical lens or non-spherical lens.First lens Ls1 is between the light-guide device LG and the second lens Ls2 of light source module 201.Second lens Ls2 is between the first lens Ls1 and reflection module 204, and the 3rd lens Ls3 is between reflection module 204 and the first prism 22.In the present embodiment, second lens Ls2 has the exiting surface F6 towards reflection module 204,3rd lens Ls3 has the incidence surface F7 towards reflection module 204, the exiting surface F6 of the second lens Ls2 and reflection module 204 first distance D1, the incidence surface F7 second distance D2, the incidence surface F7 of the 3rd lens Ls3 of reflection module 204 and the 3rd lens Ls3 and the convertible digital micro-mirror device 21 of two axles are at a distance of the 3rd distance D3.It is worth mentioning that, above-mentioned first distance D1, second distance D2 and the 3rd distance D3 meet inequality: 0.5 D3/ (D1+D2) 1, in the present embodiment, the summation of the first distance D1 and second distance D2 is such as greater than being equal to 20 millimeters and less than or equal to 50 millimeters, 3rd distance D3 is such as greater than being equal to 20 millimeters and less than or equal to 50 millimeters, but the present invention is not limited thereto, the first distance D1 has different numerical rangies from the system architecture of the summation of second distance D2 and the 3rd visual different product of distance D3.Inequality is met: when 0.5 D3/ (D1+D2) 1 at above-mentioned first distance D1, second distance D2 and the 3rd distance D3, the scialyscope 2 of the present embodiment under the impact that light path is not subject to mechanical interferences, can effectively reach the purpose reducing overall volume.
Specifically be, in the present embodiment, 3rd lens Ls3 is had has gap towards between the exiting surface F8 and first F1 of the first prism 22 of the first prism 22, but the present invention is not limited thereto, in other embodiments, the exiting surface F8 of the 3rd lens Ls3 is such as connected to first F1 of the first prism 22.
Hereinafter again the light path traveling process of the incident illumination A and imaging B of the scialyscope 2 of the present embodiment is done and further describe.
As shown in Figure 2 and Figure 3, the light source LS of the present embodiment is received by light-guide device LG after sending incident illumination A immediately.In the present embodiment, light-guide device LG is such as the light guide of wedge shape (Wedge), namely light-guide device LG receives the long-pending lighting area more than output incident illumination A of incidence surface of incident illumination A, therefore can effectively promote receipts light quantity (couplingefficiency).When after incident illumination A sequentially traverse light-guide device LG, the first lens Ls1, the second lens Ls2, shading piece 205, reflection module 204 and the 3rd lens Ls3, incident illumination A is normally incident in first F1 of the first prism 22 that is the normal vector (NormalVector) being oriented parallel to first F1 that incident illumination A is incident.nullIncident illumination A advances according to light path L1 (as shown in Figure 3) in the first prism 22，Sequentially through the 3rd F3 and fourth face F4 of second F2 of the first prism 22 and the second prism 23 until being reflected as imaging B by the two convertible digital micro-mirror devices 21 of axle，Specifically，The two convertible digital micro-mirror devices of axle 21 are respectively at having the first long limit 211 and the first minor face 212 in X-axis and Y-axis，And the fourth face F4 of the second prism 23 is respectively at having the second long limit 231 and the second minor face 232 in X-axis and Y-axis，Owing to the second long limit 231 of the second prism 23 is parallel to the first long limit 211 of the two convertible digital micro-mirror devices of axle 21，Therefore，Incident illumination A can be considered the incident illumination A the first long limit 211 incident (as shown in Figure 4) towards the two convertible digital micro-mirror devices of axle 21 along the incident two convertible digital micro-mirror devices of axle 21 of light path L1 in X-Y plane.Imaging B advances according to light path L2 in the second prism 23, sequentially through the fourth face F4 of the second prism 23 until being reflected by the 3rd F3 of the second prism 23, reflection herein is such as total reflection (TotalInternalReflection), therefore, imaging B still can transmit via after reflection in same media (the second prism 23), and after imaging B is totally reflected via the 3rd F3, advance along light path L3, eventually pass through the 5th F5 of the second prism 23 and be transferred to the camera lens 24 of scialyscope 2.
Specifically be, in the present embodiment, second F2 of the first prism 22 is such as the 3rd F3 being contacted with the second prism 23, and second the refractive index of prism 23 be such as greater than the refractive index of the first prism 22, specifically, the refractive index of the first prism 22 is such as about 1.51633, the refractive index of the second prism 23 is such as about 1.666718, but the present invention is not limited thereto, in addition, the material of the first prism 22 is such as model manufactured by OHARA company is the glass material of S-BSL7, second prism 23 is such as model manufactured by OHARA company is the glass material of S-BAH11, but the present invention is not limited thereto.In other embodiments of the invention, it is such as be formed with air dielectric between second F2 and the 3rd F3 of the second prism 23 of the first prism 22, namely between second F2 of the first prism 22 and the 3rd F3 of the second prism 23, there is gap, in this case, then can without the concern for the refractive index of the first prism 22 and the second prism 23.
To sum up institute is old, and the scialyscope 2 of the embodiment of the present invention uses the two convertible digital micro-mirror device of axle (i.e. TRP (Tilt&RollPixel)PicoTMchipset), owing to the second long limit 231 of the second prism 23 is parallel to the first long limit 211 of the two convertible digital micro-mirror devices of axle 21, therefore, in X-Y plane, incident illumination A can be considered that incident illumination A is incident towards the first long limit 211 of the two convertible digital micro-mirror devices of axle 21 along the incident two convertible digital micro-mirror devices of axle 21 of light path L1.Therefore, in the scialyscope 1 that to be different from Fig. 1 traditional, digital micro-mirror device 10 angle of inclination of total-reflection prism group 11 phase opposing connection single-shaft-rotation is arranged.In addition, characteristic according to the two convertible digital micro-mirror devices 21 of axle carries out the space configuration of element and the design of light path, make not have unnecessary angle between prism group (combination of the first prism 22 and the second prism 23) and digital micro-mirror device, therefore, the space configuration of element and the design of light path can be optimized further, and then reach the purpose that reduced projection body is long-pending.
The present invention is been described by by above-mentioned related embodiment, but above-described embodiment is only the example implementing the present invention.It must be noted that, the embodiment disclosed is not limiting as the scope of the present invention.On the contrary, the change made without departing from the spirit and scope of the present invention and retouching, all belong to the scope of patent protection of the present invention.
Claims (11)
1. a scialyscope, it is characterised in that including:
Illuminator, is suitable to send incident illumination；
The two convertible digital micro-mirror devices of axle, are suitable to receive this incident illumination and convert imaging to, and this convertible digital micro-mirror device of two axles is the first rectangle having relative two first long limits with relative two first minor faces；
First prism, is configured between this illuminator and this convertible digital micro-mirror device of two axles, and this first prism includes first and adjacent second, and this incident illumination is sequentially through this first and this second；
Second prism, it is configured between this first prism and this convertible digital micro-mirror device of two axles, this second prism includes the 3rd, fourth face and the 5th, 3rd face is adjacent to this fourth face and the 5th, this fourth face is towards this convertible digital micro-mirror device of two axles, this incident illumination is sequentially through the 3rd, this fourth face is transferred to this convertible digital micro-mirror device of two axles, this imaging is sequentially through this fourth face, through the 3rd reflection, it is transferred to this camera lens through the 5th face, wherein this fourth face is the second rectangle having relative two second long limits with relative two second minor faces, and second long limit be parallel to the first long limit, second minor face is parallel to the first minor face；And
Camera lens, is suitable to receive and project this imaging by the 5th relatively.
2. scialyscope as claimed in claim 1, it is characterised in that this illuminator includes:
Light source module, is suitable to send this incident illumination；
First battery of lens, is configured between this first prism and this light source module and near this light source module, this first battery of lens is suitable to transmit this incident illumination；And
Second battery of lens, is configured between this first battery of lens and this first prism, and this second battery of lens is suitable to transmit this incident illumination from this first battery of lens.
3. scialyscope as claimed in claim 2, it is characterised in that the effective focal length of this first battery of lens is be more than or equal to 12 millimeters and less than or equal to 30 millimeters.
4. scialyscope as claimed in claim 2, it is characterised in that the effective focal length of these the second lens is be more than or equal to 30 millimeters and less than or equal to 50 millimeters.
5. scialyscope as claimed in claim 2, it is characterised in that this illuminator also includes:
Reflection module, is configured between this first battery of lens and this second battery of lens, and this reflection module is suitable to this incident illumination from this first battery of lens is reflexed to this second battery of lens；And
Shading piece, is configured between this first battery of lens and this reflection module.
6. scialyscope as claimed in claim 5, it is characterized in that, this first battery of lens includes the first lens and the second lens, this second battery of lens includes the 3rd lens, these first lens are between this light source module and this second lens, these second lens are between these first lens and this reflection module, 3rd lens are between this reflection module and this first prism, these second lens have the first exiting surface towards this reflection module, 3rd lens have the incidence surface towards this reflection module, this first exiting surface this reflection module first apart is apart from D1, this reflection module is at a distance of this incidence surface second distance D2, this incidence surface is at a distance of this two axle convertible digital micro-mirror device the 3rd distance D3, and 0.5 D3/ (D1+D2) 1.
7. scialyscope as claimed in claim 6, it is characterised in that the summation of this first distance D1 and this second distance D2 is be more than or equal to 20 millimeters and less than or equal to 50 millimeters.
8. scialyscope as claimed in claim 6, it is characterised in that the 3rd distance D3 is be more than or equal to 20 millimeters and less than or equal to 50 millimeters.
9. scialyscope as claimed in claim 6, it is characterised in that these second lens are non-spherical lens.
10. scialyscope as claimed in claim 1, it is characterised in that the refractive index of this first prism is less than the refractive index of this second prism.
11. scialyscope as claimed in claim 1, it is characterised in that this second prism is isosceles right triangle prism cylinder.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610235696.5A CN105759548A (en) | 2016-04-15 | 2016-04-15 | Projector |
| CN201710110967.9A CN106896633B (en) | 2016-04-15 | 2017-02-28 | Projector with a light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610235696.5A CN105759548A (en) | 2016-04-15 | 2016-04-15 | Projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105759548A true CN105759548A (en) | 2016-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610235696.5A Pending CN105759548A (en) | 2016-04-15 | 2016-04-15 | Projector |
| CN201710110967.9A Active CN106896633B (en) | 2016-04-15 | 2017-02-28 | Projector with a light source |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710110967.9A Active CN106896633B (en) | 2016-04-15 | 2017-02-28 | Projector with a light source |
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| Country | Link |
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| CN (2) | CN105759548A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106842510A (en) * | 2017-03-30 | 2017-06-13 | 明基电通有限公司 | Optical projection system |
| CN108459456A (en) * | 2018-04-28 | 2018-08-28 | 青岛海信激光显示股份有限公司 | A kind of light fixture and laser projection device applied in laser projection device |
| CN108803219A (en) * | 2018-04-28 | 2018-11-13 | 青岛海信激光显示股份有限公司 | A kind of light fixture applied in laser projection device |
| CN112262476A (en) * | 2018-06-15 | 2021-01-22 | 索尼半导体解决方案公司 | Solid-state image pickup device and electronic apparatus |
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| JP6805981B2 (en) * | 2017-07-04 | 2020-12-23 | コニカミノルタ株式会社 | Optical unit and projector equipped with it |
| CN112711163A (en) * | 2019-10-25 | 2021-04-27 | 台达电子工业股份有限公司 | Projection device |
| JP7539053B2 (en) * | 2019-10-25 | 2024-08-23 | パナソニックＩｐマネジメント株式会社 | Illumination device and projection type image display device |
| JP7505334B2 (en) * | 2020-08-31 | 2024-06-25 | 株式会社リコー | Image Projection Device |
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| CN106842510B (en) * | 2017-03-30 | 2019-06-25 | 明基智能科技（上海）有限公司 | Optical projection system |
| CN108459456A (en) * | 2018-04-28 | 2018-08-28 | 青岛海信激光显示股份有限公司 | A kind of light fixture and laser projection device applied in laser projection device |
| CN108803219A (en) * | 2018-04-28 | 2018-11-13 | 青岛海信激光显示股份有限公司 | A kind of light fixture applied in laser projection device |
| CN112262476A (en) * | 2018-06-15 | 2021-01-22 | 索尼半导体解决方案公司 | Solid-state image pickup device and electronic apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106896633A (en) | 2017-06-27 |
| CN106896633B (en) | 2020-03-31 |
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