CN205157874U - Formation of image structure and projecting apparatus - Google Patents
Formation of image structure and projecting apparatus Download PDFInfo
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- CN205157874U CN205157874U CN201520705913.3U CN201520705913U CN205157874U CN 205157874 U CN205157874 U CN 205157874U CN 201520705913 U CN201520705913 U CN 201520705913U CN 205157874 U CN205157874 U CN 205157874U
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- prism
- light
- reflecting surface
- display device
- fully reflecting
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Abstract
The utility model discloses a projecting apparatus is applied to to formation of image structure and projecting apparatus, formation of image structure, and the formation of image structure includes relative first prism and the second prism that sets up and locates being used for form images and reflecting to the display device of second prism of the below of second prism, first prism has towards the second prism and is the first complete reflective surface that the slope set up, and the second prism has the relative second complete reflective surface that sets up with first complete reflective surface, is equipped with transmitting material between first complete reflective surface and the second complete reflective surface. So, set up transmitting material between first prism and second prism, can make display device contactless with the first complete reflective surface of first prism, and then make display device to assemble in the projecting apparatus.
Description
Technical field
The utility model relates to projection arrangement field, particularly a kind of imaging arrangement and projector.
Background technology
Current projector, generally be provided with lighting unit, two prisms and display device be oppositely arranged, two prisms be oppositely arranged and display device form imaging arrangement, after light sends from lighting unit, reflect through first prism, reflex to second prism, light throws light on via on second prism to display device, image on display device is totally reflected to external screen via second prism again, so completes the process of projection imaging.Due to packaging technology all more complicated of display device, and the various control signal interfaces of display device will be extracted to facilitate connection, be difficult to package dimension do very little, when the size of display device is bigger than normal, display device can contact with the reflecting surface of the first prism, and then imaging arrangement cannot be assembled in projector.
Utility model content
Fundamental purpose of the present utility model is to provide a kind of imaging arrangement and projector, is intended to make between the display device of current projector and the first prism contactless, and then imaging arrangement can be assembled in projector.
For arriving above-mentioned technical purpose, the utility model provides a kind of imaging arrangement, be applied to projector, described imaging arrangement comprises the first prism and the second prism that are oppositely arranged, and be located at described second prism below reflex to the display device of described second prism for the formation of image, described first prism has towards described second prism and the first fully reflecting surface be inclined to set, described second prism has the second fully reflecting surface be oppositely arranged with described first fully reflecting surface, transmission element is provided with between described first fully reflecting surface and described second fully reflecting surface.
Preferably, described transmission element is that tabular is arranged.
Preferably, described transmission element is clapboard, and described transmission element is clapboard, and the thickness of described clapboard is arranged in reducing gradually on direction from bottom to top.
Preferably, described transmission element also can be parallel-plate.
Preferably, described transmission element and have gap between described first fully reflecting surface and described second fully reflecting surface.
Preferably, described imaging arrangement also comprises the reflecting component of the top being positioned at described first prism, and described reflecting component is for receiving the light of the reflection of described first fully reflecting surface and making light successively through described first prism, described second prismatic refraction extremely described display device.
Preferably, the 3rd reflecting surface deviating from described display device of described first prism is described reflecting component, and described reflecting component is that inner sunken face is arranged.
The utility model also provides a kind of projector, comprises the lighting unit that sets gradually and as above arbitrary described imaging arrangement,
Described lighting unit, for emission of light;
Described first prism, for reflecting the light of described lighting unit to described reflecting component;
Described reflecting component, for receiving the light of the reflection of described first fully reflecting surface and making light successively through described first prism, described second prismatic refraction extremely described display device;
Described display device, for receiving the light of described reflecting component reflection and forming image and reflex to the second prism;
Described second prism, for passing through for the light of described first prismatic reflection and the image of the formation of described display device being totally reflected the camera lens to described projector.
Preferably, be also provided with light collecting part between described first prism and described lighting unit, the light-ray condensing that described light collecting part is used for described lighting unit to launch is to described first fully reflecting surface.
Preferably, described first prism towards the surface of lighting unit be described light collecting part, described light collecting part is that convex outward is arranged.
Preferably, described projector also comprises light uniforming device, is located between described lighting unit and described light collecting part.
The utility model provides a kind of imaging arrangement and projector, imaging arrangement is applied to projector, described imaging arrangement comprises the first prism and the second prism that are oppositely arranged, and be located at described second prism top reflex to the display device of described second prism for the formation of image, described first prism has towards described second prism and the first fully reflecting surface be inclined to set, described second prism has the second fully reflecting surface be oppositely arranged with described first fully reflecting surface, transmission element is provided with between described first fully reflecting surface and described second fully reflecting surface, to make there is gap between described display device and described first fully reflecting surface.
So, between the first prism and the second prism, set up transmission element, can make to there is gap between display device and the first fully reflecting surface of the first prism, and then display device can be assembled in projector.
Accompanying drawing explanation
The structural drawing of one embodiment of the projector that Fig. 1 provides for the utility model;
Fig. 2 is the structural drawing of another embodiment of the projector shown in Fig. 1;
The structural drawing of the another embodiment that Fig. 3 is the projector shown in Fig. 1;
The structural drawing of the embodiment again that Fig. 4 is the projector shown in Fig. 1.
Drawing reference numeral illustrates:
| 100 | Projector | 3 | Second prism |
| 1 | Lighting unit | 31 | Second fully reflecting surface |
| 2 | First prism | 4 | Transmission element |
| 21 | Light collecting part | 5 | Display device |
| 22 | First fully reflecting surface | 6 | Light uniforming device |
| 23 | Reflecting part |
The realization of the utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
The technical solution of the utility model is further illustrated below in conjunction with Figure of description and specific embodiment.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
It should be noted that, in description of the present utility model, term "left", "right", " on ", D score, etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, be not indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
The utility model proposes a kind of imaging arrangement, be applied to projector.
The structural drawing of one embodiment of the projector provided for the utility model referring to figs. 1 through Fig. 4, Fig. 1; The structural drawing of the another embodiment that Fig. 2 is the projector shown in Fig. 1; The structural drawing of the embodiment again that Fig. 3 is the projector shown in Fig. 1; The structural drawing of the 4th embodiment that Fig. 4 is the projector shown in Fig. 1.
In embodiment of the present utility model, refer to Fig. 1 and Fig. 4, the utility model provides a kind of imaging arrangement (sign), be applied to projector 100, imaging arrangement comprises the first prism 2 and the second prism 3 be oppositely arranged, and be located at the reflexing to the display device 5 of the second prism 3 for the formation of image (display device 5 is preferably Digital Micromirror Device panel of below of the second prism 3, also be DMD panel (DigitalMicromirrorDevice)), first prism 2 has towards the second prism 3 and the first fully reflecting surface 22 be inclined to set, second prism 3 has the second fully reflecting surface 31 be oppositely arranged with the first fully reflecting surface 22, transmission element 4 is provided with between first fully reflecting surface 22 and the second fully reflecting surface 31.
So, arranging of transmission element 4 can make to there is gap between display device 5 and the first fully reflecting surface 22 of the first prism 2, prevent display device 5 when mounted from contacting with the first fully reflecting surface 22 of the first prism 2, the image quality of damage display device 5, also make display device 5 be convenient to install simultaneously.
Preferably, transmission element 4 is arranged for tabular, arranges be convenient to processing in tabular.Certainly, other shapes also can be claimed to arrange, as long as meet the propagation of light, and just with assembling all at protection domain of the present utility model.
Further, with reference to Fig. 2 and Fig. 4, transmission element 4 be clapboard, the thickness of clapboard 4 on the direction in (a direction in figure) from bottom to top in reducing setting gradually.The setting of clapboard 4 can increase the distance between display device 5 and the first fully reflecting surface 22 in the finite space, improves the quality of imaging.Certainly, as shown in figures 1 and 3, transmission element 4 can be also parallel-plate, also at protection domain of the present utility model.
Further, transmission element 4 and have gap between the first fully reflecting surface 22 and the second fully reflecting surface 31.Arranging of gap facilitates the first fully reflecting surface 22 and the second fully reflecting surface 31 to be totally reflected.When mounted, the edge on two surfaces (sign) of transmission element 4 can be fixed in projector 100 respectively by the mode of a glue, also can directly be fixed on structural member.
In the present embodiment, imaging arrangement also comprises the reflecting component 23 of the top being positioned at the first prism 2, and reflecting component 23 is for receiving the light of the reflection of the first fully reflecting surface 22 and making light refract to described display device 5 through the first prism 2, second prism 3 successively.
Reflecting component 23 can be integrated on the first prism 2, and with reference to Fig. 3 and Fig. 4, the 3rd reflecting surface deviating from display device 5 of the first prism 2 is set to reflecting component 23, and reflecting component 23 is arranged in inner sunken face.So, the use of device can be saved, simplify assembling, be convenient to install, cost-saving.
Preferably, the 3rd reflecting surface is coated with reflection horizon.So, the light that the first fully reflecting surface 22 can reflect back by reflecting component 23 is refracted in display device 5 through the second prism 3.Wherein the material in reflection horizon can be metallic aluminium, silver or other reflecting mediums.
Certainly, also can arrange a catoptron 23, with reference to Fig. 1 and Fig. 2, the two is all at protection domain of the present utility model.
The utility model also provides a kind of projector 100, referring to figs. 1 through Fig. 4, comprises the lighting unit 1 that sets gradually and as above arbitrary described imaging arrangement,
Lighting unit 1, for emission of light;
First prism 2, for reflecting the light of described lighting unit 1 to described reflecting component 23;
Reflecting component 23, for receiving the light of the reflection of the first fully reflecting surface 22 and making light refract to described display device 5 through the first prism 2, second prism 3 successively;
Display device 5, for receiving light that reflecting component 23 reflects and forming image and reflex to the second prism 3;
Second prism 3, the light for reflecting for the first prism 2 passes through and the image of the formation of display device 5 is totally reflected the camera lens (not shown) to projector 100.
So, after light sends from lighting unit 1, light is totally reflected on the first fully reflecting surface 22 of the first prism 2, reflex on reflecting component 23, light reflects by reflecting component 23 again, the light of reflection, after the first prism 2 and transmission element 4, throws light on through the second prism 3, then is totally reflected to external screen (not shown) via the second prism 3 to display device 5.So, complete the whole process of the propagation imaging of light, transmission element 4 be arranged so that there is gap between the first fully reflecting surface 22 and display device 5, prevent display device 5 when mounted from contacting with the first fully reflecting surface 22 of the first prism 2, the image quality of damage display device 5, also makes display device 5 be convenient to install simultaneously.
In the present embodiment, between the first prism 2 and lighting unit 1, be also provided with light collecting part 21, light-ray condensing to the first fully reflecting surface 22 of light collecting part 21 for being launched by lighting unit 1.The light that lighting unit 1 can be made to launch that arranges of light collecting part 21 focuses on the first fully reflecting surface 22, prevents astigmatism.Arranging of light collecting part 21 can have following two kinds:
The first, with reference to Fig. 3 and Fig. 4, the first prism 2 has towards lighting unit 1 and is set to light collecting part 21 in convex outward.So, the outside surface of the first prism 2 is made light collecting part 23, the use of device can be saved, simplify assembling, be convenient to install, cost-saving.Light collecting part 23 has predetermined curvature, and the light-ray condensing launched to make lighting unit 1 is to the first fully reflecting surface 22.It should be noted that light collecting part 23 has the setting of predetermined curvature according to Snell's law, namely by the refractive index n of the first prism 2
1with the refractive index n of air
3determine the curvature of light collecting part 23, certainly, the object of this curvature setting is that light in order to make lighting unit 1 launch all gathers the first fully reflecting surface 22, and every curvature meeting this condition is all at protection domain of the present utility model.
The second, with reference to Fig. 1 and Fig. 2, also can arrange condenser between the first prism 2 and lighting unit 1.The two is all at protection domain of the present utility model.
In the present embodiment, referring to figs. 1 through Fig. 4, projector 100 also comprises light uniforming device 6, is located between lighting unit 1 and light collecting part 21.Adopt light uniforming device 6 can improve the homogeneity that lighting unit 1 is emitted to the light in the first prism 2.
Preferably, light uniforming device 6 is fly's-eye lens.Adopt fly's-eye lens can obtain the high efficiency of light energy utilization and large-area Uniform Illumination.
Should be noted that; the technical scheme of each embodiment of the present utility model can be combined with each other; but must be can be embodied as basis with those skilled in the art; when technical scheme combination occur conflicting maybe cannot realize time will be understood that the combination of this technical scheme does not exist, also not the utility model require protection domain within.
These are only preferred embodiment of the present utility model; not thereby its scope of the claims is limited; every equivalent structure transformation utilizing the utility model instructions and accompanying drawing content to do; directly or indirectly be used in the technical field that other are relevant, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. an imaging arrangement, be applied to projector, what described imaging arrangement comprised the first prism and the second prism that are oppositely arranged and the below being located at described second prism reflexes to the display device of described second prism for the formation of image, it is characterized in that, described first prism has towards described second prism and the first fully reflecting surface be inclined to set, described second prism has the second fully reflecting surface be oppositely arranged with described first fully reflecting surface, is provided with transmission element between described first fully reflecting surface and described second fully reflecting surface.
2. imaging arrangement as claimed in claim 1, is characterized in that, described transmission element is that tabular is arranged.
3. imaging arrangement as claimed in claim 2, it is characterized in that, described transmission element is clapboard, and the thickness of described clapboard is arranged in reducing gradually on direction from bottom to top.
4. imaging arrangement as claimed in claim 2, it is characterized in that, described transmission element also can be parallel-plate.
5. as the imaging arrangement as described in arbitrary in Claims 1-4, it is characterized in that, described transmission element and have gap between described first fully reflecting surface and described second fully reflecting surface.
6. imaging arrangement as claimed in claim 1, it is characterized in that, also comprise the reflecting component of the top being positioned at described first prism, described reflecting component is for receiving the light of the reflection of described first fully reflecting surface and making light successively through described first prism, described second prismatic refraction extremely described display device.
7. imaging arrangement as claimed in claim 6, it is characterized in that, the 3rd reflecting surface deviating from described display device of described first prism is set to described reflecting component, and described reflecting component is that inner sunken face is arranged.
8. a projector, is characterized in that, comprises the lighting unit that sets gradually and as the imaging arrangement as described in arbitrary in claim 1 to 6,
Described lighting unit, for emission of light;
Described first prism, for reflecting the light of described lighting unit to reflecting component;
Described reflecting component, for receiving the light of the reflection of described first fully reflecting surface and making light successively through described first prism, described second prismatic refraction extremely described display device;
Described display device, for receiving the light of described reflecting component reflection and forming image and reflex to the second prism;
Described second prism, for passing through for the light of described first prismatic reflection and the image of the formation of described display device being totally reflected the camera lens to described projector.
9. projector as claimed in claim 8, is characterized in that, be also provided with light collecting part between described first prism and described lighting unit, and the light-ray condensing that described light collecting part is used for described lighting unit to launch is to described first fully reflecting surface.
10. projector as claimed in claim 9, is characterized in that, the surface of the lighting unit towards institute of described first prism is set to described light collecting part, and described light collecting part is convex outward setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520705913.3U CN205157874U (en) | 2015-09-11 | 2015-09-11 | Formation of image structure and projecting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520705913.3U CN205157874U (en) | 2015-09-11 | 2015-09-11 | Formation of image structure and projecting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205157874U true CN205157874U (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520705913.3U Active CN205157874U (en) | 2015-09-11 | 2015-09-11 | Formation of image structure and projecting apparatus |
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| Country | Link |
|---|---|
| CN (1) | CN205157874U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110412814A (en) * | 2018-04-27 | 2019-11-05 | 华彩创意科技股份有限公司 | Projector |
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- 2015-09-11 CN CN201520705913.3U patent/CN205157874U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110412814A (en) * | 2018-04-27 | 2019-11-05 | 华彩创意科技股份有限公司 | Projector |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |