CN1885149A - Light projection system of projector - Google Patents
Light projection system of projector Download PDFInfo
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- CN1885149A CN1885149A CNA2005100776691A CN200510077669A CN1885149A CN 1885149 A CN1885149 A CN 1885149A CN A2005100776691 A CNA2005100776691 A CN A2005100776691A CN 200510077669 A CN200510077669 A CN 200510077669A CN 1885149 A CN1885149 A CN 1885149A
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- light signal
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Abstract
The invention relates to a projecting system of projector, which comprises: ellipsoid lamp module, lens module and light uniform module, wherein the lens module is arranged between the ellipsoid lamp module and the light uniform module, to receive the light signal emitted from lamp cover, and project pure light signal to the light uniform module; the surface of lens module has anti-foreign layer; the lens module has one preset angle relative to the axial line, to reflect and filter the foreign light of light signal via said anti-foreign layer. The inventive lens module can replace present plane glass; and the anti-foreign layer can shorten the distance between the ellipsoid lamp module and the light uniform module to improve the light efficiency.
Description
Technical field
The present invention relates to a kind of light projection system and light projecting method thereof of projector, particularly a kind of by an eyeglass module being set between an ellipsoid lamp module and a Mean optical module, and reach the effect of secondary condensation and shorten the light projection system and the light projecting method thereof of projector of the spacing of this ellipsoid lamp module and this Mean optical module.
Background technology
Arrival along with the information age, add under the development of optics science and technology and projection display technique, can export the digital projector of high resolving power and big picture, become enterprise's PowerPoint, meetings and activities, education and training even become in the home entertaining, at an indispensable ring that provides on the vision imaging.Therefore, the high image quality of projector, high brightness, volume are light and handy, have become the great pointer of consumer on choosing.
See also shown in Figure 1ly, it is the synoptic diagram of light projection system of the projector of prior art.By among the figure as can be known, existing light projection system includes: an ellipsoid lamp 1a, a flat glass 2a and a photoconductive tube (lightpipe) 3a.Wherein, this flat glass 2a is arranged between this ellipsoid lamp 1a and this photoconductive tube 3a, is used to filter the veiling glare of the light signal 100a that this ellipsoid lamp 1a projected.
In order to improve the light projector efficient of projector, generally except this photoconductive tube 3a to the light path of projection panel (figure do not show) is improved, for then less the noticing of design between this ellipsoid lamp 1a and this photoconductive tube 3a, the method of improving all is to require light source manufacturer to shorten the lampwick spacing of (figure does not show), to improve light projector efficient.
Therefore, as from the foregoing, the light projection system of the projector of above-mentioned prior art on reality is used, obviously has inconvenience and exists with disappearance, and can be improved.
Therefore, the inventor improves thoughts on above-mentioned disappearance, and according to the correlation experience of being engaged in this respect for many years, and concentrated the observation and research, and cooperate the utilization of scientific principle proposes a kind of reasonable in design and effectively improve the present invention of above-mentioned disappearance.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of light projection system and light projecting method thereof of projector, to improve the light projector efficient of projector.
In order to address the above problem, the invention provides a kind of light projection system and light projecting method thereof of projector, it is by being provided with an eyeglass module between an ellipsoid lamp module and a Mean optical module, and reaches the secondary condensation effect and shorten the spacing of this ellipsoid lamp module and this Mean optical module.That is, this light signal that lampshade and this eyeglass module by this ellipsoid lamp module projected, form secondary condensation effect (secondlight-condensing effects), so that the light-resource fousing that dwindles scope to be provided, thereby increase the light projector efficient that this Mean optical module is collected the quantity of light and increased the integral body of whole light projection system.In addition, replacing existing flat glass, and plate this anti-veiling glare layer, can not only shorten the distance of existing this ellipsoid lamp module and this Mean optical module, more can increase the optical efficiency of light source incident optical projection system on the surface of this eyeglass module by this eyeglass module.
For solving the problems of the technologies described above, according to wherein a kind of scheme of the present invention, provide a kind of light projection system of projector, it comprises: an ellipsoid lamp module, an eyeglass module and a Mean optical module.Wherein, this ellipsoid lamp module has the lampshade that a light emitting source and surrounds this light emitting source of part, and this light emitting source also is used to produce light signal, and this lampshade is used to receive and reflect the light signal of this light emitting source; This eyeglass module is arranged at a side of this ellipsoid lamp module, is used to receive the light signal that reflects from this lampshade, and projects this light signal; And this Mean optical module is arranged at a side of this eyeglass module, be used to receive the light signal that is projected from this eyeglass module, and this light signal of homogenising.
For solving the problems of the technologies described above, according to wherein a kind of scheme of the present invention, provide a kind of light projection system of projector, it comprises: an ellipsoid lamp module, an eyeglass module and a Mean optical module.Wherein, this ellipsoid lamp module has the lampshade that a light emitting source and surrounds this light emitting source of part, and this light emitting source also is used to produce light signal, and this lampshade is used to receive and reflect the light signal of this light emitting source; This eyeglass module is arranged at a side of this ellipsoid lamp module, be used to receive the light signal that reflects from this lampshade, and project the light signal of no veiling glare, wherein the surface of this eyeglass module has anti-veiling glare layer, and this eyeglass module becomes a predetermined angle with respect to an axial line, in order to pass through this anti-veiling glare layer, with the veiling glare in this light signal of reflective filter (filter); And this Mean optical module is arranged at a side of this eyeglass module, is used to receive the light signal of the no veiling glare that is projected from this eyeglass module, and the light signal that homogenising should no veiling glare.
For solving the problems of the technologies described above, according to wherein a kind of scheme of the present invention, provide a kind of light projecting method of light projection system of projector, its step comprises: at first, provide an ellipsoid lamp module, it has the lampshade that a light emitting source and surrounds this light emitting source of part; Then, by this light emitting source, produce light signal; Then, by this lampshade, receive the light signal of this light emitting source; Next, by this lampshade, reflect from the light signal that this light emitting source received; Moreover, by an eyeglass module that is arranged at a side of this ellipsoid lamp module, receive from the light signal that this lampshade reflected; Then, by this eyeglass module, project the light signal that receives from this lampshade; Then, by a Mean optical module that is arranged at a side of this eyeglass module, receive the light signal that is projected from this eyeglass module; At last, by this Mean optical module, the light signal that homogenising is received from this eyeglass module.
For solving the problems of the technologies described above, according to wherein a kind of scheme of the present invention, provide a kind of light projecting method of light projection system of projector, its step comprises: at first, provide an ellipsoid lamp module, it has the lampshade that a light emitting source and surrounds this light emitting source of part; Then, by this light emitting source, produce light signal; Then, by this lampshade, receive the light signal of this light emitting source; Next, by this lampshade, reflect from the light signal that this light emitting source received; Moreover, by an eyeglass module that is arranged at a side of this ellipsoid lamp module, receive from the light signal that this lampshade reflected, wherein the surface of this eyeglass module has anti-veiling glare layer, and this eyeglass module becomes a predetermined angle with respect to an axial line; Then, anti-veiling glare layer by this eyeglass module and predetermined angle, the veiling glare in this light signal of reflective filter (filter), and obtain not having the light signal of veiling glare; Then, by this eyeglass module, project the light signal of the no veiling glare that receives from this lampshade; Then, by a Mean optical module that is arranged at a side of this eyeglass module, receive the light signal of the no veiling glare that is projected from this eyeglass module; At last, by this Mean optical module, the light signal of the no veiling glare that homogenising is received from this eyeglass module.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 is the synoptic diagram of light projection system of the projector of prior art;
Fig. 2 is the synoptic diagram of first embodiment of the light projection system of projector of the present invention;
Fig. 3 is the synoptic diagram of second embodiment of the light projection system of projector of the present invention;
Fig. 4 is the process flow diagram of first embodiment of the light projecting method of the light projection system of projector of the present invention; And
Fig. 5 is the process flow diagram of second embodiment of the light projecting method of the light projection system of projector of the present invention.
Wherein, Reference numeral is as follows:
1a-ellipsoid lamp
The 2a-flat glass
The 3a-photoconductive tube
The 100a-light signal
1-ellipsoid lamp module 10-light emitting source
The 11-lampshade
The anti-veiling glare layer of 2-eyeglass module 20-
21-uvioresistant layer
22-infrared resistant layer
The 3-Mean optical module
The 4-axial line
θ-predetermined angle
The 100-light signal
200-does not have the light signal of veiling glare
Embodiment
See also shown in Figure 2ly, it is the synoptic diagram of the-embodiment of the light projection system of projector of the present invention.By among the figure as can be known, the invention provides a kind of light projection system of projector, it includes: an ellipsoid lamp module 1, an eyeglass module 2 and a Mean optical module 3.
Wherein, this ellipsoid lamp module 1 surrounds the lampshade 11 of this light emitting source 10 of part for having a light emitting source 10 and, and this light emitting source 10 is used to produce light signal 100, and this lampshade is used to receive and reflect the light signal 100 of this light emitting source 10.This eyeglass module 2 is arranged at a side of this ellipsoid lamp module 1, is used to receive the light signal 100 that is reflected from this lampshade 11, and projects this light signal 100.
In addition, disclosed this eyeglass module 2 is one to have the eyeglass of curved surface structure in this implementation column, for example a biconvex eyeglass (dual concave lens).Yet this biconvex eyeglass is not used in qualification the present invention, all eyeglasses that has curved surface structure arbitrarily, all can be selection of the present invention as a single matrix eyeglass (single concave lens), a single convex eyeglass (single convex lens), a double concave type eyeglass (dual concave lens) or a concave-convex type eyeglass (convex-concave lens), with the convenience that provides the user to select.
In addition, this Mean optical module 3 is arranged at a side of this eyeglass module 2, be used to receive the light signal 100 that is projected from this eyeglass module 2, and this light signal 100 of homogenising.Wherein this Mean optical module 3 is a photoconductive tube (light pipe).
See also shown in Figure 3ly, it is the synoptic diagram of second embodiment of the light projection system of projector of the present invention.By among the figure as can be known, second embodiment is with first the different of embodiment maximum: the surface of this eyeglass module 2 has anti-veiling glare layer 20, wherein this anti-veiling glare layer 20 can towards or this ellipsoid lamp module 1 dorsad.And this eyeglass module 2 is with respect to 4 one-tenth one predetermined angle θ of an axial line, in order to pass through this anti-veiling glare layer 20, with the veiling glare in this light signal 100 of reflective filter (filter), wherein the veiling glare in this light signal 100 is ultraviolet ray (UV) and/or an infrared ray (IR) or with user's needs, and any light that must filter.Therefore, this eyeglass module 2 can be used for receiving the light signal 100 that is reflected from this lampshade 11, and projects the light signal 200 of no veiling glare; In addition, this Mean optical module 3 can be used for receiving the light signal 200 of the no veiling glare that is projected from this eyeglass module 2, and the light signal 200 that homogenising should no veiling glare.
Moreover this anti-veiling glare layer 20 is a uvioresistant (UV) layer 21 and one infrared resistant (IR) layer 22 on the wherein surface that forms in this eyeglass module 2 in regular turn in present embodiment figure, however the formation of this anti-veiling glare layer 20 and be not used in qualification the present invention.Therefore, this anti-veiling glare layer 20 also can be an infrared resistant (IR) layer 22 and one uvioresistant (UV) layer 21 on a wherein surface that forms in this eyeglass module 2 in regular turn or is formed separately in 21 layers of the uvioresistants (UV) and an infrared resistant (IR) layer 22 on two surfaces of this eyeglass module 2.In addition, the present invention also can select this uvioresistant (UV) layer 21 towards this ellipsoid lamp module 1 or select this infrared resistant (IR) layer 22 towards this ellipsoid lamp module 1.
In addition, this eyeglass module 2 can be arranged on the same axial line 4 with this ellipsoid lamp module 1, and this eyeglass module 2 and this ellipsoid lamp module 1 be respectively perpendicular to this axial line 4, and is arranged in parallel.That is this eyeglass module 2 can be with the required and random predetermined angle θ that adjusts with respect to this axial line 4 of user, and for example this eyeglass module 2 is vertical with this axial line 4, and then this predetermined angle theta is 90 to spend.
See also shown in Figure 4ly, it is the process flow diagram of first embodiment of the light projecting method of the light projection system of projector of the present invention.By in the process flow diagram as can be known, the invention provides a kind of light projecting method of light projection system of projector, its step includes: at first, provide an ellipsoid lamp module 1, it has the lampshade 11 (S100) that a light emitting source 10 and surrounds this light emitting source 10 of part; Then, by this light emitting source 10, to produce light signal 100 (S102); Then, by this lampshade 11, with the light signal 100 (S104) that receives this light emitting source 10; Next, by this lampshade 11, to reflect the light signal 100 (S106) that is received from this light emitting source 10.
Moreover, by an eyeglass module 2 that is arranged at a side of this ellipsoid lamp module 1, to receive the light signal 100 (S108) that is reflected from this lampshade 11, wherein this eyeglass module 2 can be an eyeglass with curved surface structure, and this eyeglass with curved surface structure can be arbitrary selection of a single matrix eyeglass (single concavelens), a single convex eyeglass (single convex lens), a double concave type eyeglass (dual concave lens), a biconvex eyeglass (dual concave lens) or a concave-convex type eyeglass (convex-concave lens).
In addition, a wherein surface of this eyeglass module 2 can have a uvioresistant (UV) layer 21 and one infrared resistant (IR) layer 22 or one infrared resistant (IR) layer 22 and one uvioresistant (UV) layer 21 that is shaped in regular turn.Moreover, this uvioresistant (UV) layer 21 and this infrared resistant (IR) layer 22 also can form in respectively on two surfaces of this eyeglass module 2 simultaneously, wherein the user can select according to need this uvioresistant (UV) layer 21 towards this ellipsoid lamp module 1 or this infrared resistant (IR) layer 22 towards this ellipsoid lamp module 1.
In addition, this eyeglass module 2 can be arranged on the same axial line 4 with this ellipsoid lamp module 1, thus this eyeglass module 2 can with this ellipsoid lamp module 1 respectively perpendicular to this axial line 4, and be arranged in parallel.Or this eyeglass module 2 is with respect to 4 one-tenth one predetermined angle θ of this axial line, in order to ultraviolet ray (UV) in this light signal 100 of reflective filter (filter) and infrared ray (IR).
Then, by this eyeglass module 2, to project the light signal 100 (S110) that is received from this lampshade 11; Then, by a Mean optical module 3 that is arranged at a side of this eyeglass module 2, receive the light signal (S112) that is projected from this eyeglass module, wherein this Mean optical module can be a photoconductive tube (lightpipe); At last, by this Mean optical module 3, the light signal 100 (S114) that homogenising is received from this eyeglass module 2.
See also shown in Figure 5ly, it is the process flow diagram of second embodiment of the light projecting method of the light projection system of projector of the present invention.By in the process flow diagram as can be known, the invention provides a kind of light projecting method of light projection system of projector, its step includes: at first, provide an ellipsoid lamp module 1, it has the lampshade 11 (S200) that a light emitting source 10 and surrounds this light emitting source 10 of part; Then, by this light emitting source 10, produce light signal 100 (S202); Then, by this lampshade 11, the light signal 100 (S204) that receives this light emitting source 10 next, by this lampshade 11, the light signal 100 (S206) that reflection is received from this light emitting source 10.
Moreover, by an eyeglass module 2 that is arranged at a side of this ellipsoid lamp module 1, the light signal 100 that reception is reflected from this lampshade 11, wherein the surface of this eyeglass module 2 has anti-veiling glare layer 20, and this eyeglass module 2 is with respect to 4 one-tenth one predetermined angle θ (S208) of an axial line; Then, anti-veiling glare layer 20 and predetermined angle θ by this eyeglass module 2, with the veiling glare in this light signal 100 of reflective filter (filter), and the light signal 200 (S210) that obtains not having veiling glare then, by this eyeglass module 2, project the light signal 200 (S212) of the no veiling glare that is received from this lampshade 11; Then, by a Mean optical module 3 that is arranged at a side of this eyeglass module 2, to receive the light signal 200 (S214) of the no veiling glare that is projected from this eyeglass module 2; At last, by this Mean optical module 3, the light signal 200 (S216) of the no veiling glare that homogenising is received from this eyeglass module 2.
In sum, this light signal 100 that the present invention is projected by this lampshade 11 and this eyeglass module 2 respectively, form secondary condensation effect (second light-condensing effects), so that the light-resource fousing that dwindles scope to be provided, thereby increase the light projector efficient that this Mean optical module 3 is collected the quantity of light and increased the integral body of whole light projection system.In addition, by the flat glass of this eyeglass module 2 with the replacement prior art, and plate this anti-veiling glare layer 20 on the surface of this eyeglass module 2, and can not only shorten the distance of this ellipsoid lamp module 1 with this Mean optical module 3 of prior art, more can increase the optical efficiency of light source incident optical projection system.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (10)
1, a kind of light projection system of projector is characterized in that, comprising:
One ellipsoid lamp module, it has the lampshade that a light emitting source and surrounds the described light emitting source of part, and wherein said light emitting source is used to produce light signal, and described lampshade is used to receive and reflect the light signal of described light emitting source;
One eyeglass module, the side that it is arranged at described ellipsoid lamp module is used to receive the light signal that reflects from described lampshade, and projects described light signal; And
One Mean optical module, the side that it is arranged at described eyeglass module is used to receive the light signal that is projected from described eyeglass module, and the described light signal of homogenising.
2, the light projection system of projector according to claim 1 is characterized in that, a wherein surface of described eyeglass module has a uvioresistant layer and an infrared resistant layer that is shaped in regular turn.
3, the light projection system of projector according to claim 1 is characterized in that, a wherein surface of described eyeglass module has an infrared resistant layer and a uvioresistant layer that is shaped in regular turn.
4, the light projection system of projector according to claim 1 is characterized in that, two surfaces of described eyeglass module have a uvioresistant layer and an infrared resistant layer respectively.
5, the light projection system of projector according to claim 4 is characterized in that, described uvioresistant aspect is to described ellipsoid lamp module.
6, the light projection system of projector according to claim 4 is characterized in that, described infrared resistant aspect is to described ellipsoid lamp module.
7, the light projection system of projector according to claim 1 is characterized in that, described eyeglass module and described ellipsoid lamp module are arranged on the same axial line.
8, the light projection system of projector according to claim 7 is characterized in that, described eyeglass module becomes a predetermined angle with respect to described axial line, in order to ultraviolet ray and the infrared ray in the described light signal of reflective filter.
9, a kind of light projection system of projector is characterized in that, comprising:
One ellipsoid lamp module, it has the lampshade that a light emitting source and surrounds the described light emitting source of part, and wherein said light emitting source is used to produce light signal, and described lampshade is used to receive and reflect the light signal of described light emitting source;
One eyeglass module, it is arranged at a side of described ellipsoid lamp module, be used to receive the light signal that reflects from described lampshade, and project the light signal of no veiling glare, the surface of wherein said eyeglass module has anti-veiling glare layer, and described eyeglass module becomes a predetermined angle with respect to an axial line, in order to pass through described anti-veiling glare layer, with the veiling glare in the described light signal of reflective filter; And
One Mean optical module, the side that it is arranged at described eyeglass module is used to receive the light signal of the no veiling glare that is projected from described eyeglass module and the light signal of the described no veiling glare of homogenising.
10, the light projection system of projector according to claim 9, it is characterized in that, described anti-veiling glare layer is for forming in a uvioresistant layer and an infrared resistant layer on a wherein surface of described eyeglass module in regular turn, or described anti-veiling glare layer is for forming in an infrared resistant layer and a uvioresistant layer on a wherein surface of described eyeglass module in regular turn, or described anti-veiling glare layer is a uvioresistant layer and an infrared resistant layer that is formed separately in two surfaces of described eyeglass module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100776691A CN1885149A (en) | 2005-06-22 | 2005-06-22 | Light projection system of projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100776691A CN1885149A (en) | 2005-06-22 | 2005-06-22 | Light projection system of projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1885149A true CN1885149A (en) | 2006-12-27 |
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ID=37583363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005100776691A Pending CN1885149A (en) | 2005-06-22 | 2005-06-22 | Light projection system of projector |
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| Country | Link |
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| CN (1) | CN1885149A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103345066A (en) * | 2013-05-29 | 2013-10-09 | 芜湖雅图数字视频技术有限公司 | Apparatus for separating visible light from ultraviolet and infrared lights in projector |
| CN104142604A (en) * | 2014-07-29 | 2014-11-12 | 苏州乐聚一堂电子科技有限公司 | Programmable remote control projection lamp |
| TWI610541B (en) * | 2014-03-31 | 2018-01-01 | Li Ming Jun | Infrared emitting device |
-
2005
- 2005-06-22 CN CNA2005100776691A patent/CN1885149A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103345066A (en) * | 2013-05-29 | 2013-10-09 | 芜湖雅图数字视频技术有限公司 | Apparatus for separating visible light from ultraviolet and infrared lights in projector |
| CN103345066B (en) * | 2013-05-29 | 2023-10-31 | 芜湖市安曼特微显示科技有限公司 | Visible light and ultraviolet infrared light separation device of projector |
| TWI610541B (en) * | 2014-03-31 | 2018-01-01 | Li Ming Jun | Infrared emitting device |
| CN104142604A (en) * | 2014-07-29 | 2014-11-12 | 苏州乐聚一堂电子科技有限公司 | Programmable remote control projection lamp |
| CN104142604B (en) * | 2014-07-29 | 2016-03-09 | 苏州乐聚一堂电子科技有限公司 | Programmable telemetry projection lamp |
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