CN100507638C - Projecting apparatus - Google Patents
Projecting apparatus Download PDFInfo
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- CN100507638C CN100507638C CNB200610136522XA CN200610136522A CN100507638C CN 100507638 C CN100507638 C CN 100507638C CN B200610136522X A CNB200610136522X A CN B200610136522XA CN 200610136522 A CN200610136522 A CN 200610136522A CN 100507638 C CN100507638 C CN 100507638C
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- image strip
- optical element
- projection
- bang path
- projection lens
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Abstract
The invention relates to a projective device which comprises an illuminating system, a light valve, a first optical element, a first projective lens and a second projective lens, wherein, the illuminating system is suitable for supplying an illuminating light beam. The light valve is assembled and arranged in the transmitting path of the illuminating light beam. The light valve is suitable for converting the illuminating light beam into an image light beam. The first optical element is assembled and arranged in the transmitting path of the image light beam. The first optical element is suitable for making part of the image light beam pass and to reflect part of the image light beam. The first projective lens is assembled and arranged in the transmitting path of the image light beam which passes the first optical element. The second projective lens is assembled and arranged in the transmitting path of the image light beam which is reflected by the first optical element. The projective device of the invention has a bidirectional projection function.
Description
[technical field]
The invention relates to a kind of display device, particularly relevant for a kind of projection arrangement.
[background technology]
In order to improve the problems referred to above, the projection arrangement 100 (as shown in Figure 3 and Figure 4) of regular meeting's ornaments more than two ones in large-scale meeting-place and meeting room.But this kind practice need increase projection arrangement, thereby increases the cost expenditure.
Please refer to Fig. 5, consider based on cost, can between projection arrangement 100 and screen 50, set up a spectroscope 60, its can make partial image light beam 102 that 100 projections of projection arrangement go out by and be projected on the screen 50, and partial image light beam 102 is reflexed on another screen 50 '.Yet,,,, can occupy sizable space if add the supporting construction of spectroscope 60 so need to use large-sized spectroscope 60 because the angle of divergence of the image strip 102 outside the projection arrangement 100 is very big.In addition, under this kind framework, the distance between screen 50 and the screen 50 ' can't be too big, comparatively inconvenience on using, and can't so will cause the image on one of them screen more unintelligible simultaneously to the focusing of the image on two screens.
[summary of the invention]
The purpose of this invention is to provide a kind of projection arrangement, it has the function of bidirectional projection.
For reaching above-mentioned or other purposes, the present invention proposes a kind of projection arrangement, and it comprises an illuminator (illumination system), a light valve (light valve), one first optical element, one first projection lens and one second projection lens.Wherein, illuminator is suitable for providing an illuminating bundle, and light valve is to be disposed on the bang path of illuminating bundle.This light valve is suitable for converting illuminating bundle to an image strip.First optical element is to be disposed on the bang path of image strip, and this first optical element is suitable for making the partial image light beam to pass through and the reflecting part image strip.First projection lens is to be disposed on the bang path of the image strip by first optical element, and second projection lens is to be disposed at by on the bang path of the image strip of first optical element reflection.
The present invention proposes a kind of projection arrangement in addition, and it comprises an illuminator, a light valve, one first optical element, one first projection lens and one second projection lens.Illuminator is suitable for providing an illuminating bundle, and light valve is disposed on the bang path of illuminating bundle, and wherein this light valve is suitable for converting illuminating bundle to an image strip.First optical element is disposed on the bang path of image strip, and first optical element comprises that a body and is connected in the drive bulk device.Body has a reflecting part, a spectrum part and a transmittance section, and drive unit is suitable for driving body so that one of them is cut to the bang path of image strip with reflecting part, spectrum part and transmittance section.When reflecting part is cut to the bang path of image strip, the reflection of the image strip portion of being reflected; When spectrum part was cut to the bang path of image strip, the partial image light beam was reflected by spectrum part, and the partial image light beam passes through spectrum part; When bang path to image strip was cut in the transmittance section, image strip passed through the transmittance section.In addition, first projection lens is disposed on the bang path by the image strip of first optical element, and second projection lens is disposed at by on the bang path of the image strip of first optical element reflection.
In the present invention, because the partial image light beam can be passed to first projection lens by first optical element, the partial image light beam can be reflexed to second projection lens by first optical element.So projection arrangement of the present invention has the function of bidirectional projection.
For above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below.
[description of drawings]
Fig. 1 is the synoptic diagram that known projection arrangement is applied in large-scale meeting-place.
Fig. 2 is the synoptic diagram that known projection arrangement is applied in meeting room.
Fig. 3 is the known synoptic diagram that two projection arrangements is applied in large-scale meeting-place.
Fig. 4 is the known synoptic diagram that two projection arrangements is applied in meeting room.
Fig. 5 knownly utilizes a projection arrangement with the synoptic diagram of image projecting on two screens.
Fig. 6 is the synoptic diagram of a kind of projection arrangement of one embodiment of the invention.
Fig. 7 A and Fig. 7 B are the present invention's synoptic diagram of the projection arrangement of two embodiment in addition.
Fig. 8 is the synoptic diagram of the projection arrangement of further embodiment of this invention.
Fig. 9 A is the synoptic diagram of the projection arrangement of yet another embodiment of the invention.
Fig. 9 B is the synoptic diagram of first optical element among Fig. 9 A.
Figure 10 is the synoptic diagram of another kind of first optical element of the present invention.
[embodiment]
Fig. 6 is the synoptic diagram of a kind of projection arrangement of one embodiment of the invention.Please refer to Fig. 6, the projection arrangement 200 of present embodiment comprises an illuminator 210, a light valve 220, one first optical element 230, one first projection lens 240 and one second projection lens 250.Wherein, illuminator 210 is suitable for providing an illuminating bundle 212, and light valve 220 is to be disposed on the bang path of illuminating bundle 212.This light valve 220 is suitable for converting illuminating bundle 212 to an image strip 213.First optical element 230 is to be disposed on the bang path of image strip 213, and this first optical element 230 is suitable for making partial image light beam 213 to pass through and reflecting part image strip 213.First projection lens 240 is to be disposed on the bang path of the image strip 213 by first optical element 230, and second projection lens 250 is to be disposed at by on the bang path of the image strip 213 of first optical element, 230 reflections.
In the present embodiment, illuminator 210 comprises that the illuminating bundle 212 that light source provided can be incident upon on the light valve 220 in order to a light source (not illustrating) of illuminating bundle 212 to be provided after through the optical element (as lens, integration rod) in the illuminator 210.Light valve 220 can be perforation light-valve or optical valve in reflection type, wherein perforation light-valve can be the penetration liquid crystal panel, optical valve in reflection type can be DMD Digital Micromirror Device (digital micro-mirrordevice, DMD) or monocrystalline silicon LCD panel (liquid crystal on siliconpanel, LCOS panel), be to be example with the optical valve in reflection type in Fig. 6.After this light valve 220 changes illuminating bundle 212 into image strip 213, image strip 213 can be reflexed to first optical element 230.First optical element 230 for example is a spectroscope, and it can make segment beam penetrate and segment beam is reflected.Particularly, first optical element 230 is that a penetrance and reflectivity are all 50% spectroscope.So, when image strip 213 is passed to first optical element 230, the image strip 213 of a part can penetrate first optical element 230 and be passed to first projection lens 240, and the image strip 213 of another part can be reflexed to second projection lens 250 by first optical element 230.In addition, first projection lens 240 and second projection lens 250 can be projeced into image strip 213 respectively on screen 50 and the screen 50 ', form image to go up with screen 50 ' in screen 50.
Because image strip 213 can be projeced on the different screens with second projection lens 250 via first projection lens 240, so the projection arrangement 200 of present embodiment has the function of bidirectional projection, so can save the cost that increases projection arrangement in addition.In addition, first projection lens 240 and second projection lens 250 be adjustable focus all, therefore can make the image that is projeced on screen 50 and the screen 50 ' be all image clearly, and the distance between screen 50 and the screen 50 ' can be more unrestricted, comparatively convenient on using.
In the present embodiment, first projection lens 240 of the different focal of also can arranging in pairs or groups and second projection lens 250, the projection that makes projection arrangement 200 has more diversity than the selection of (throw ratio), so can produce required picture size under the situation of same projection distance.In addition, because first optical element 230 is arranged on projection arrangement 200 inside, so the size of first optical element 230 does not need too big, compared to the framework of the projection arrangement 100 collocation spectroscopes 60 of Fig. 5, the framework of the projection arrangement 200 of present embodiment is obviously less.
What deserves to be mentioned is, in the above-mentioned projection arrangement 200, though first projection lens 240 and second projection lens 250 are projections in the opposite direction, but also can set up reflecting element in the present invention, with the projecting direction that changes first projection lens 240 and/or second projection lens 250 and the position of ornaments in projection arrangement inside.Below will describe for embodiment.
Fig. 7 A and Fig. 7 B are the present invention's synoptic diagram of the projection arrangement of two embodiment in addition.Please refer to Fig. 7 A and Fig. 7 B, compared to projection arrangement 200, projection arrangement 200a, 200b more comprise a reflecting element 260 respectively, it is disposed at by on the bang path of the image strip 213 of first optical element, 230 reflections, reflexes to second projection lens 250 with the image strip 213 that will be passed on it.In other words, the angle by ornaments reflecting element 260 and adjustment reflecting element 260 and first optical element, 230 ornaments can make second projection lens 250 furnish to the desired position, and then the projecting direction of second projection lens 250 is conformed to demand.
It should be noted that the quantity that does not limit reflecting element 260 in the present embodiment, that is, can set up a plurality of reflecting elements 260 in projection arrangement inside, so that second projection lens 250 can be furnished to the desired position.In addition, reflecting element 260 is also configurable on the bang path of the image strip 213 that passes through first optical element 230, reflexes to first projection lens 240 with the image strip 213 that will be passed on it.So, first projection lens 240 can be furnished to the desired position, and then the projecting direction of first projection lens 240 is conformed to demand.
Fig. 8 is the synoptic diagram of the projection arrangement of further embodiment of this invention.Please refer to Fig. 8, compared to the projection arrangement 200 of Fig. 6, the projection arrangement 200c of present embodiment more comprises one second optical element 270 and one the 3rd projection lens 280.Wherein, second optical element 270 is to be disposed at by on the bang path of the image strip 213 of first optical element, 230 reflections.This second optical element 230 is suitable for making the partial image light beam 213 that is passed on it to pass through, and partial image light beam 213 is reflexed to the 3rd projection lens 280, and is to be passed to second projection lens 250 by the image strip 213 of second optical element 270.
Above-mentioned first optical element 230 and second optical element 270 for example are all spectroscope.For the brightness that makes 240,250,260 images that projection goes out of first, second and the 3rd projection lens identical, first optical element 230 can be that penetrance is 33% and reflectivity is 67% spectroscope, is all 50% spectroscope and second optical element 270 can be penetrance and reflectivity.
In the present embodiment, except first projection lens 240 and second projection lens 250 can be projected to image strip 213 screen 50 and screen 50 ' respectively, also have the 3rd projection lens 280 image strip 213 can be projected to screen 50 " on, so projection arrangement 200c has axonometric function.In addition, present embodiment also can be set up more projection lens and segment beam can be reflected and segment beam is passed through in projection arrangement 200c optical element is to reach the purpose of multidirectional projection.In addition, second optical element 270 is also configurable on the bang path of the image strip 213 that passes through first optical element 230.In the case, this second optical element 270 is suitable for making the partial image light beam 213 that is passed on it to pass through, and partial image light beam 213 reflexed to the 3rd projection lens 280, and be to be passed to first projection lens 240 by the image strip 213 of second optical element 270.Have in the technical field under any and know the knowledgeable usually with reference to after the above-mentioned explanation, when deducing voluntarily, at this no longer in addition with graphic explanation.
Fig. 9 A is the synoptic diagram of the projection arrangement of yet another embodiment of the invention, and Fig. 9 B is the synoptic diagram of first optical element among Fig. 9 A.Please refer to Fig. 9 A and Fig. 9 B, the projection arrangement 200d of present embodiment is similar to the projection arrangement 200 of Fig. 6, and difference is in first optical element.In more detail, the first optical element 230a of projection arrangement 200d comprises that a body and is connected in drive bulk device (figure does not show), body has a reflecting part 232, a spectrum part 234 and a transmittance section 236, and drive unit is suitable for driving body so that one of them is cut to the bang path of image strip 213 with reflecting part 232, spectrum part 234 and transmittance section 236.Drive unit can be a moving meter (figure does not show) and moves along an axial linear with respect to light valve 220 generations to drive body.In addition, transmittance section 236 for example is a transparency carrier, and can be coated with one deck antireflecting coating on this transparency carrier, to avoid the light reflection.Reflecting part 232 for example is a catoptron (mirror).Spectrum part 234 for example is a spectroscope.And first projection lens 240 is disposed on the bang path by the image strip 213 of the first optical element 230a, and second projection lens 250 is disposed at by on the bang path of the image strip 213 of first optical element 230a reflection.
In the present embodiment, can adjust the projecting direction of projection arrangement 200d by the position of moving the first optical element 230a.Particularly, when reflecting part 232 was cut to the bang path of image strip 213, image strip 213 portion 232 that is reflected reflexed to second projection lens 250, and this moment, image strip 213 only can be via 250 projections of second projection lens on screen 50 '.When spectrum part 234 is cut to the bang path of image strip 213, partial image light beam 213 is reflexed to second projection lens 250 by spectrum part 234, and partial image light beam 213 is passed to first projection lens 240 by spectrum part 234, this moment image strip 213 can be simultaneously via first projection lens 240 and 250 projections of second projection lens on screen 50 and screen 50 '.When bang path to image strip 213 was cut in transmittance section 236, image strip 213 can be passed to first projection lens 240 by transmittance section 236, and this moment, image strip 213 only can be via 240 projections of first projection lens on screen 50.
Figure 10 is the synoptic diagram of another kind of first optical element of the present invention.Please refer to Figure 10, the first optical element 230a among the above-mentioned projection arrangement 200d also can be replaced by the first optical element 230b among Figure 10.This first optical element 230b comprises that a body and is connected in the drive bulk device, body comprises reflecting part 232, a spectrum part 234 and a transmittance section 236, drive unit for example is a motor 238, it is suitable for driving body and rotates, so that one of them is cut to the bang path of image strip 213 with reflecting part 232, spectrum part 234 and transmittance section 236.By rotating the first optical element 230b, on the bang path of may command incision image strip 213 is reflecting part 232, spectrum part 234 or transmittance section 236, so can adjust the projecting direction of projection arrangement 200d.Reflecting part 232 for example is a catoptron (mirror).Spectrum part 234 for example is a spectroscope.
In sum, projection arrangement of the present invention has following advantage at least:
1. because image strip can be via first projection lens and second projection lens projects on different screens, so projection arrangement of the present invention has the function of bidirectional projection.
2. therefore first projection lens and second projection lens adjustable focus all can be adjusted to image clearly with being projeced into two screens and last image.
3. first projection lens and second projection lens of collocation different focal can make the selection of the projection ratio of projection arrangement have more diversity.
4. in the present invention, the optical element that can set up more projection lens and segment beam can be reflected and segment beam is passed through in projection arrangement is to reach the purpose of multidirectional projection.
5. in one embodiment, because first optical element is the moving part with reflecting part, spectrum part and transmittance section, so can adjust the projecting direction of projection arrangement by the position of moving first optical element.
Though the present invention discloses as above with preferred embodiment, so it is not in order to limit the present invention.
[main element symbol description]
50,50 ', 50 ": screen
100,200,200a～200d: projection arrangement
102: image strip
210: the illumination system
212: the illumination light beam
213: image strip
220: light valve
230: the first optical elements
240: the first projection camera lenses
250: the second projection camera lenses
260: reflecting element
270: the second optical elements
280: the three projection lens
A1, A2: zone
Claims (4)
1. projection arrangement is characterized in that: comprising:
One illuminator is suitable for providing an illuminating bundle;
One light valve is disposed on the bang path of this illuminating bundle, and this light valve is suitable for converting this illuminating bundle to an image strip;
One first optical element, be disposed on the bang path of this image strip, this first optical element comprises that a body and is connected in this drive bulk device, this body has a reflecting part, one spectrum part and a transmittance section, and this drive unit is suitable for driving this body with this reflecting part, one of them incision of this spectrum part and this transmittance section is to the bang path of this image strip, when this reflecting part incision is to the bang path of this image strip, this image strip is reflected by this reflecting part, when this spectrum part incision is to the bang path of this image strip, this image strip of part is reflected by this spectrum part, and this image strip of part is by this spectrum part, when this transmittance section incision during to the bang path of this image strip, this image strip is by this transmittance section;
One first projection lens is disposed on the bang path of this image strip by this first optical element; And
One second projection lens is disposed at by on the bang path of this image strip of this first optical element reflection.
2. projection arrangement as claimed in claim 1 is characterized in that: this transmittance section has an antireflecting coating.
3. projection arrangement as claimed in claim 1, it is characterized in that: this drive unit is that a moving meter moves with respect to this light valve is linear to drive this body, makes one of them incision of this reflecting part, this spectrum part and this transmittance section to the bang path of this image strip.
4. projection arrangement as claimed in claim 1 is characterized in that: this drive unit is that a motor rotates to drive this body, makes one of them incision of this reflecting part, this spectrum part and this transmittance section to the bang path of this image strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610136522XA CN100507638C (en) | 2006-10-26 | 2006-10-26 | Projecting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610136522XA CN100507638C (en) | 2006-10-26 | 2006-10-26 | Projecting apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101169517A CN101169517A (en) | 2008-04-30 |
| CN100507638C true CN100507638C (en) | 2009-07-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200610136522XA Expired - Fee Related CN100507638C (en) | 2006-10-26 | 2006-10-26 | Projecting apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN100507638C (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI436150B (en) * | 2011-02-15 | 2014-05-01 | Asia Optical Co Inc | Projector with dual projection function and its external kit |
| CN102253525B (en) * | 2011-06-10 | 2015-07-29 | Tcl集团股份有限公司 | A kind of brightness adjusting method of stereo-image displaying system |
| CN106802534A (en) * | 2017-04-11 | 2017-06-06 | 河北农业大学 | A kind of bidirectional projection's instrument |
| CN107861310A (en) * | 2017-11-27 | 2018-03-30 | 深圳市华星光电技术有限公司 | A kind of double-lens laser projection display equipment |
| CN107885022A (en) * | 2017-12-28 | 2018-04-06 | 深圳市华星光电技术有限公司 | Double-lens laser projector display device and its application method |
| CN108663874A (en) * | 2018-04-16 | 2018-10-16 | 广景视睿科技（深圳）有限公司 | A kind of optical element and bidirectional projection's system |
| CN112578571A (en) * | 2020-12-28 | 2021-03-30 | 广景视睿科技（深圳）有限公司 | Projection optical system and head-up display device of automobile |
| CN113504697A (en) * | 2021-06-30 | 2021-10-15 | 歌尔光学科技有限公司 | Projection light machine |
| CN115657414A (en) * | 2021-07-06 | 2023-01-31 | 华为技术有限公司 | Display device and imaging method |
| CN114077142A (en) * | 2021-10-29 | 2022-02-22 | 歌尔光学科技有限公司 | Projection device, control method of projection device and projection system |
-
2006
- 2006-10-26 CN CNB200610136522XA patent/CN100507638C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN101169517A (en) | 2008-04-30 |
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| C14 | Grant of patent or utility model | ||
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| ASS | Succession or assignment of patent right |
Owner name: AIXIN TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ZHONGQIANG PHOTOELECTRIC CO LTD Effective date: 20120214 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120214 Address after: Delaware Patentee after: Suzhou Canyu Optics Co., Ltd. Address before: Hsinchu City, Taiwan, China Patentee before: Zhongqiang Photoelectric Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090701 Termination date: 20181026 |
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| CF01 | Termination of patent right due to non-payment of annual fee |