CN205103532U - Light beam closes photosystem and projection arrangement thereof - Google Patents
Light beam closes photosystem and projection arrangement thereof Download PDFInfo
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- CN205103532U CN205103532U CN201520922640.8U CN201520922640U CN205103532U CN 205103532 U CN205103532 U CN 205103532U CN 201520922640 U CN201520922640 U CN 201520922640U CN 205103532 U CN205103532 U CN 205103532U
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Abstract
The utility model provides a light beam closes photosystem and the application in projection arrangement, the light beam closes the photosystem, include: first light beam and second light beam that the incident direction is different, and to first light beam with the second light beam reflects and make the light beam after the reflection close smooth device along what same direction was propagated, it includes to close the light device: the first plane of reflection that reflect is carried out first light beam to and carry out the second plane of reflection that reflects to the second light beam, this light beam closes the photosystem and adopts and to close the light device and close light to coming from two bundles of light beams that the incident direction is different, and the light beam that makes two bundles of light beams assemble into same orientation has strengthened the illumination intensity of light beam greatly, and then under the prerequisite of guaranteeing size and weight meet a condition, has improved and adopted this performance of closing the projection arrangement of photosystem, can bring better vision enjoyment for the user.
Description
Technical field
The utility model relates to digital projection display technique field, more particularly, relates to a kind of light beam combined optical system and projection arrangement thereof.
Background technology
Along with the promotion of the development of science and technology, particularly semiconductor technology, portable electronic equipment is is constantly manufactured and designed out.The lifting of portable electric appts function, makes user to the requirement of the display device of man-machine interface more and more towards miniature, giant-screen and high resolving power future development.Under the impelling of users' tight demand, projector's technical development is in recent years swift and violent, and the products such as DLP, LCOS are proposed that performance is high, size is little and lightweight portable projector one after another.
The wide-angle distribution that the function of the projection module illumination path in projector is to be sent by light beam as much as possible, shape differ, brightness illuminating ray not etc., be converted to the uniform light spots being irradiated to display chip effective coverage, the projection display picture realize evenly, become clear.Projection module will be applied better, bring user better visual enjoyment, will under keeping projecting light path to design succinctly efficiently, meeting the prerequisites such as size is little, light loss is low, strengthen under intensity of illumination makes to have the prerequisite of high light output, this also becomes those skilled in the art one of technical matters to be solved.
The projector of existing routine, is normally first undertaken after conjunction light is converged to parallel beam by one group of three primary light source, then changes beam direction by devices such as reflecting optics and make light beam incide display chip; At present, in order to strengthen intensity of illumination, improve the performance of projector, research employing two groups of three primary light sources are as light supply apparatus, light beam is made to incide display chip if also adopt the devices such as above-mentioned reflecting optics to change two groups of three primary light source beam directions, then light path is comparatively large, is unfavorable for the volume and weight reducing projector.
The information being disclosed in this background technology part is only intended to increase the understanding to general background of the present utility model, and should not be regarded as admitting or imply in any form that this information structure has been prior art that persons skilled in the art are known.
Utility model content
For above-mentioned technical matters, the purpose of this utility model is to provide a kind of simple and reasonable, and compact in design, utilizes Multiplexing apparatus to carry out conjunction light to two light beams, strengthens light beam combined optical system and the projection arrangement thereof of intensity of illumination; The projection performance of this optical system projection arrangement is utilized to be improved greatly.
For achieving the above object, the utility model provides a kind of light beam combined optical system, comprising: the first light beam that incident direction is different and the second light beam; And the first light beam and the second light beam reflected and makes the Multiplexing apparatus that light beam is after reflection propagated in the same direction; Wherein, described Multiplexing apparatus comprises: the first reflecting surface reflected the first light beam, and to the second reflecting surface that the second light beam reflects.
Preferably, in technique scheme, described first reflecting surface and the second reflecting surface are coated with the reflectance coating of metal or the highly reflecting films system of multilayer dielectric film composition.
Preferably, in technique scheme, described first light beam can be monochromatic LED light beam or dual-colored LED light beam in the same way or three-color LED light beam in the same way; Described second light beam also can be monochromatic LED light beam or dual-colored LED light beam in the same way or three-color LED light beam in the same way, can arrange according to actual needs
Preferably, in technique scheme, described Multiplexing apparatus comprises tooth-shape structure, and described tooth-shape structure comprises two or more reflecting surface, described first reflecting surface and the second reflecting surface are separately positioned on the reflecting surface of tooth-shape structure, and the angle of the first reflecting surface and the second reflecting surface is obtuse angle.
Preferably, in technique scheme, described Multiplexing apparatus comprises first reflecting surface and second reflecting surface, and described tooth-shape structure comprises two adjacent reflectings surface, and described first reflecting surface and the second reflecting surface are separately positioned on the adjacent reflecting surface of two of tooth-shape structure.
Preferably, in technique scheme, described tooth-shape structure can comprise triangular prism or be set to a part for triangular prism, or the reflecting optics being obtuse angle by two panels or multi-disc angle forms.
Preferably, in technique scheme, described Multiplexing apparatus comprises multiple first reflecting surface and multiple second reflecting surface, and described tooth-shape structure comprises multiple adjacent reflecting surface, and described multiple first reflecting surface and multiple second reflecting surface are separately positioned on the adjacent reflecting surface of tooth-shape structure.Can arrange the number of tooth-shape structure reflecting surface like this according to incident beam size, can reflect incident beam, reflecting effect is good comprehensively.
For achieving the above object, the utility model additionally provides a kind of projection arrangement, comprising: for generation of the first light supply apparatus of the first light beam; For generation of the secondary light source device of the second light beam; Combined optical system described above; Beam shaping guidance device, for carrying out shaping by the light beam from combined optical system and direct into display chip; Display chip; And projection lens.
Preferably, in technique scheme, described first light supply apparatus and secondary light source device all adopt dichroic beamsplitter sheet group to carry out conjunction light to the light beam that three-color LED light source produces, and produce not the first light beam in the same way and the second light beam; First light beam and the second light beam are three-color LED light beam in the same way.
Preferably, in technique scheme, described projection arrangement can have one or more combined optical system; Also can comprise one or more combined optical system in first light supply apparatus and secondary light source device, utilize combined optical system to carry out conjunction light to monochromatic LED light beam or dual-colored LED light beam in the same way.
Preferably, in technique scheme, described display chip is DMD or LCOS or LCD.
The beneficial effects of the utility model are: compared with prior art, and the utility model provides a kind of light beam combined optical system and projection arrangement thereof, and described light beam combined optical system, comprising: the first light beam that incident direction is different and the second light beam; And the first light beam and the second light beam reflected and makes the Multiplexing apparatus that light beam is after reflection propagated in the same direction; Described Multiplexing apparatus comprises: the first reflecting surface reflected the first light beam, and to the second reflecting surface that the second light beam reflects; This light beam combined optical system adopts profile of tooth Multiplexing apparatus to carry out conjunction light to the two light beams different from incident direction, two light beams is made to pool unidirectional light beam, greatly strengthen the intensity of illumination of light beam, and then ensureing under the prerequisite that size and weight satisfy condition, improve the performance of the projection arrangement adopting this combined optical system, better visual enjoyment can be brought to user.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first embodiment of the utility model light beam combined optical system;
Fig. 2 is the schematic cross-section of serrate lens in the first embodiment of the utility model light beam combined optical system;
Fig. 3 is the structural representation of the second embodiment of the utility model light beam combined optical system;
Fig. 4 is the structural representation of projection arrangement first embodiment of the present utility model;
Fig. 5 is the structural representation of projection arrangement second embodiment of the present utility model;
The partial structurtes schematic diagram of Fig. 6 projection arrangement second of the present utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but is to be understood that protection domain of the present utility model not by the restriction of embodiment.
Clearly represent unless otherwise other, otherwise in whole instructions and claims, term " comprise " or its conversion as " comprising " or " including " etc. by be understood to include the element of stating or ingredient, and do not get rid of other element or other ingredient.
Consult Fig. 1 and Fig. 2; Fig. 1 is the structural representation of the first embodiment of the utility model light beam combined optical system; Fig. 2 is the schematic cross-section of the first embodiment neutralizing light device of the utility model light beam combined optical system, and in the present embodiment, this Multiplexing apparatus is serrate lens.As depicted in figs. 1 and 2, according to a kind of light beam combined optical system of the utility model embodiment, comprising: the first light beam 11 that incident direction is different and the second light beam 12 and Multiplexing apparatus 13; Wherein, Multiplexing apparatus 13, comprising: the first reflecting surface S1 and the second reflecting surface S2, and the first reflecting surface S1 reflects the first light beam 11, second reflecting surface S2 reflects the second light beam 12, and the first light beam 11 and the second light beam 12 can synthesize a branch of light beam propagated in the same direction after reflection.
In the present embodiment, described Multiplexing apparatus 13 comprises: multiple first reflecting surface S1 and multiple second reflecting surface S2, described tooth-shape structure comprises multiple adjacent reflecting surface, and described multiple first reflecting surface S1 and multiple second reflecting surface S2 is separately positioned on the adjacent reflecting surface of tooth-shape structure.
The present embodiment neutralizing light device 13 is the serrate lens comprising tooth-shape structure, tooth-shape structure is provided with two the first reflecting surface S1 and two the second reflecting surface S2, serrate lens have bottom surface L (in Fig. 2, dotted line L ' is parallel with bottom surface L), serrate lens base L setting orthogonal with the light beam after reflective surface, described first reflecting surface S1 and the second reflecting surface S2 is spaced to be respectively arranged on the adjacent surface of tooth-shape structure, and the angle of the first reflecting surface and the second reflecting surface is obtuse angle.Serrate lens can be made up of two or more triangular prism, and two or more triangular prism can contact with each other adjacent or not contact adjacent; Or the reflecting optics being obtuse angle by multi-disc angle forms, multi-disc angle is that the reflecting optics at obtuse angle can contact with each other adjacent or not contact adjacent.The structure of described tooth-shape structure can be symmetrical, also can be asymmetric; The structural symmetry of preferred tooth-shape structure.Certainly as required the angle between the adjacent face of tooth-shape structure can be arranged to different angles.Described tooth-shape structure can be an one-piece construction with multiple reflecting surface, also a tooth-shape structure completed can be spliced into by a part for adjacent two or more tooth-shape structures, a part for two adjacent tooth-shape structures can contact adjacent, also can not contact adjacent.It should be noted that the first reflecting surface S1 of tooth-shape structure and the number of the second reflecting surface S2 are determined by incident beam size, need ensure that serrate lens can receive incident beam completely; The number of the reflecting surface of tooth-shape structure can be set according to the number of the first required reflecting surface S1 and the second reflecting surface S2, the part tooth-shape structure only comprising a first reflecting surface S1 can also be set as required, or only comprise the part tooth-shape structure of the second reflecting surface S2.The first reflecting surface S1 that tooth-shape structure is arranged and the number of the second reflecting surface S2 can be the same or different, and angle can be the same or different.Number and angle is adjusted according to the incident beam of reality.Can be adjacent between first reflecting surface S1 and the second reflecting surface S2, also can be non-conterminous.Such as can the first reflecting surface S1 and the second reflecting surface S2 be disposed alternately on the neighboring reflection face of tooth-shape structure, also two or more first reflecting surface S1 can be arranged on adjacent position simultaneously, two or more second reflecting surface S2 is arranged on adjacent position simultaneously, etc., arrange according to actual conditions.
The angle α of the first reflecting surface S1 and the second reflecting surface S2 is obtuse angle, can ensure that the first reflecting surface S1 and the second reflecting surface S2 more effectively reflects the first light beam 11 and the second light beam 12; In addition, described first reflecting surface S1 and the second reflecting surface S2 is coated with the reflectance coating of metal or the highly reflecting films system of multilayer dielectric film composition; Angle α is set to obtuse angle also can make the process of reflectance coating or reflectance coating more simple evenly, and then ensure that the reflecting properties of the first reflecting surface S1 and the second reflecting surface S2.
In the present embodiment, described first light beam 11 and the second light beam 12 can be all monochromatic LED light beam or dual-colored LED light beam in the same way or three-color LED light beam in the same way; It also can be not parallel light beam that first light beam 11 and the second light beam 12 can be parallel beam; But close after light through Multiplexing apparatus 13 and can converge into a branch of parallel beam incident to other devices, greatly strengthen the intensity of illumination of light beam.
In the present embodiment, wherein the angle of the first reflecting surface S1 and the second reflecting surface S2 and serrate lens base L is respectively angle β and angle γ, the angle of angle β and angle γ can equal also can be unequal; First light beam 11 incident direction with the angle of serrate lens base L and angle β negative correlation, the angle that namely angle β increases then the first light beam 11 incident direction and serrate lens base L then diminishes; In like manner, the second light beam 12 incident direction with the angle of serrate lens base L and angle γ negative correlation, the angle that namely angle γ reduces then the second light beam 12 incident direction and serrate lens base L then becomes large.
Fig. 3 is the structural representation of the second embodiment of the utility model light beam combined optical system; As shown in Figure 3, compared with the first embodiment, second embodiment difference is mainly: described Multiplexing apparatus comprises: a first reflecting surface S3 and second reflecting surface S4, described tooth-shape structure 33 comprises two adjacent reflectings surface, described first reflecting surface S3 and the second reflecting surface S4 is separately positioned on the adjacent face of two of tooth-shape structure 33, first reflecting surface S3 reflects the first light beam 31, second reflecting surface S4 reflects the second light beam 32, and the first light beam 31 and the second light beam 32 can combine light into same parallel beam after reflection; Described tooth-shape structure 33 can be an one-piece construction with two reflectings surface, also a tooth-shape structure completed can be replaced by a part for adjacent two tooth-shape structures, a part for two adjacent tooth-shape structures can contact adjacent, also can not contact adjacent, a part for one of them tooth-shape structure is provided with the first reflecting surface S3, and a part for another tooth-shape structure is provided with the second reflecting surface S4.
In the present embodiment, described tooth-shape structure 33 can for having the reflecting optics composition that the triangular prism of the first reflecting surface S3 and the second reflecting surface S4 or two panels angle are obtuse angle; Identical with the first embodiment, described first reflecting surface S3 and the second reflecting surface S4 is coated with the reflectance coating of metal or the highly reflecting films system of multilayer dielectric film composition; Angle α is set to obtuse angle.
In the present embodiment, described first light beam 31 can be monochromatic LED light beam or dual-colored LED light beam in the same way or three-color LED light beam in the same way; Second light beam 32 can be monochromatic LED light beam or dual-colored LED light beam in the same way or three-color LED light beam in the same way; It also can be not parallel light beam that first light beam 31 and the second light beam 32 can be parallel beam; But a branch of parallel beam incident can be converged into other devices after single tooth-shape structure 33 closes light, greatly strengthen the intensity of illumination of light beam.
Fig. 4 is the structural representation of projection arrangement first embodiment of the present utility model; As shown in Figure 4, comprise according to the concrete structure of the projection arrangement of the utility model embodiment: for generation of the first light supply apparatus 41 of the first light beam; For generation of the secondary light source device 42 of the second light beam; Combined optical system 43 described in first embodiment; Light beam steering device 44, for carrying out shaping by the light beam from combined optical system and direct into display chip; Display chip 45; And projection lens 46.
Wherein, the first light supply apparatus 41 is for generation of the first light beam, and secondary light source device 42 is for generation of the second light beam; First light supply apparatus 41 and secondary light source device 42 all adopt dichroic beamsplitter sheet group to carry out conjunction light to the light beam that three-color LED light source produces; Three primary colors LED light source is after collimation lens set collimation, LED light bundle of the same colour is through the transmission of dichroic beamsplitter sheet group, other two look LED light bundles pool the first light beam in the same way or the second light beam after the reflection of dichroic beamsplitter sheet group, then incide combined optical system 43 after fly's-eye lens and relay lens homogenising; Under the effect of combined optical system 43, the first light beam does not in the same way become light beam in the same way to enter Light beam steering device 44 with the second beams converge; Described Light beam steering device 44 is made up of free curved surface prism and right-angle prism; Light beam steering device 44, carries out shaping by the light beam from combined optical system 43 and directs into display chip 45; When display chip 45 is for opening, projected light beam enters projection lens 46 and carries out Projection Display.In the present embodiment, the bottom surface L-orthogonal of the serrate lens in the incidence surface of display chip 45 and combined optical system 43; Due to the effect of combined optical system 43, the intensity of illumination of projected light beam is comparatively large, and the projection performance of greatly very high projection arrangement and display effect, can bring better visual enjoyment to user.
In the present embodiment, described display chip 45 can be DMD or LCOS or LCD.
Fig. 5 is the structural representation of projection arrangement second embodiment of the present utility model; The partial structurtes schematic diagram of Fig. 6 projection arrangement second of the present utility model embodiment.As shown in Figure 5 and Figure 6, this second embodiment and the first embodiment different be in, the angle that display chip 55 is put is different from the first embodiment, and then the angle of Light beam steering device 54 is also different; Described Light beam steering device 54 can be made up of right-angle prism group, and the light path between itself and display chip 55 is moved towards as shown in Figure 6; In the present embodiment, the incidence surface of display chip 55 still with the bottom surface L-orthogonal of the serrate lens in combined optical system 53, but the position of putting is different, the incidence surface of the display chip 45 in the incidence surface of display chip 55 and the first embodiment is orthogonal relation (this diagram due to angle problem do not illustrate).
It should be noted that in the utility model, do not limit the concrete structure of beam shaping guidance device, the device that the light beam coming from combined optical system reasonably can be imported display chip all belongs to protection domain of the present utility model.The projection arrangement structure that the utility model is protected also is not limited to above-mentioned mode, and described projection arrangement can have one or more combined optical system, preferably 1 to 4 combined optical system; Also combined optical system can be utilized to carry out conjunction light to monochromatic LED light beam or dual-colored LED light beam in first light supply apparatus and secondary light source device.
In sum, the utility model provides a kind of light beam combined optical system and projection arrangement thereof, described light beam combined optical system, comprises the first different light beam of incident direction and the second light beam; And the first light beam and the second light beam reflected and makes the Multiplexing apparatus that light beam is after reflection propagated in the same direction; Wherein, described Multiplexing apparatus comprises: the first reflecting surface reflected the first light beam, and to the second reflecting surface that the second light beam reflects.
This light beam combined optical system adopts Multiplexing apparatus to carry out conjunction light to the two light beams different from incident direction, two light beams is made to pool unidirectional light beam, greatly strengthen the intensity of illumination of light beam, and then ensureing under the prerequisite that size and weight satisfy condition, improve the performance of the projection arrangement adopting this combined optical system, better visual enjoyment can be brought to user.
Multiplexing apparatus is not necessarily arranged to tooth-shape structure, such as can comprise one or more trapezium structure be disposed adjacent, and the first reflecting surface and the second reflecting surface can be arranged on the both sides of trapezium structure; Or Multiplexing apparatus can be comprise the structure that both sides are stepped appearance setting, etc.
The aforementioned description to concrete exemplary of the present utility model is to illustrate and the object of illustration.These descriptions not want the utility model to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.The object selected exemplary embodiment and describe is to explain certain principles of the present utility model and practical application thereof, thus those skilled in the art can be realized and utilize various different exemplary of the present utility model and various different selection and change.Scope of the present utility model is intended to limited by claims and equivalents thereof.
Claims (9)
1. a light beam combined optical system, is characterized in that, comprising:
The first light beam that incident direction is different and the second light beam;
And the first light beam and the second light beam reflected and makes the Multiplexing apparatus that light beam is after reflection propagated in the same direction;
Wherein, described Multiplexing apparatus comprises: the first reflecting surface reflected the first light beam, and to the second reflecting surface that the second light beam reflects.
2. light beam combined optical system according to claim 1, described first light beam can be monochromatic LED light beam or dual-colored LED light beam in the same way or three-color LED light beam in the same way; Described second light beam also can be monochromatic LED light beam or dual-colored LED light beam in the same way or three-color LED light beam in the same way.
3. light beam combined optical system according to claim 1, described Multiplexing apparatus comprises tooth-shape structure, described tooth-shape structure comprises two or more reflecting surface, described first reflecting surface and the second reflecting surface are separately positioned on the reflecting surface of tooth-shape structure, and the angle of the first reflecting surface and the second reflecting surface is obtuse angle.
4. light beam combined optical system according to claim 3, described Multiplexing apparatus comprises first reflecting surface and second reflecting surface, described tooth-shape structure comprises two adjacent reflectings surface, and described first reflecting surface and the second reflecting surface are separately positioned on the adjacent reflecting surface of two of tooth-shape structure.
5. light beam combined optical system according to claim 3, described tooth-shape structure can comprise triangular prism or be set to a part for triangular prism, or the reflecting optics being obtuse angle by two panels or multi-disc angle forms.
6. light beam combined optical system according to claim 3, described Multiplexing apparatus comprises multiple first reflecting surface and multiple second reflecting surface, described tooth-shape structure comprises multiple adjacent reflecting surface, and described multiple first reflecting surface and multiple second reflecting surface are separately positioned on the adjacent reflecting surface of tooth-shape structure.
7. a projection arrangement, is characterized in that, comprising: for generation of the first light supply apparatus of the first light beam; For generation of the secondary light source device of the second light beam; Combined optical system described in the claims 1-6; Beam shaping guidance device, for carrying out shaping by the light beam from combined optical system and direct into display chip; Display chip; And projection lens.
8. projection arrangement according to claim 7, described first light supply apparatus and secondary light source device all adopt dichroic beamsplitter sheet group to carry out conjunction light to the light beam that three-color LED light source produces, and produce not the first light beam in the same way and the second light beam; First light beam and the second light beam are three-color LED light beam in the same way.
9. projection arrangement according to claim 7, described projection arrangement can have one or more combined optical system; Also can comprise one or more combined optical system in first light supply apparatus and secondary light source device, utilize combined optical system to carry out conjunction light to monochromatic LED light beam or dual-colored LED light beam in the same way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520922640.8U CN205103532U (en) | 2015-11-18 | 2015-11-18 | Light beam closes photosystem and projection arrangement thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520922640.8U CN205103532U (en) | 2015-11-18 | 2015-11-18 | Light beam closes photosystem and projection arrangement thereof |
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| CN205103532U true CN205103532U (en) | 2016-03-23 |
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| CN201520922640.8U Active CN205103532U (en) | 2015-11-18 | 2015-11-18 | Light beam closes photosystem and projection arrangement thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105259732A (en) * | 2015-11-18 | 2016-01-20 | 广景视睿科技（深圳）有限公司 | Light beam combining system and projection apparatus therefor |
| WO2019090958A1 (en) * | 2017-11-13 | 2019-05-16 | 深圳光峰科技股份有限公司 | Light source system and projection device applying light source system |
-
2015
- 2015-11-18 CN CN201520922640.8U patent/CN205103532U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105259732A (en) * | 2015-11-18 | 2016-01-20 | 广景视睿科技（深圳）有限公司 | Light beam combining system and projection apparatus therefor |
| WO2017084285A1 (en) * | 2015-11-18 | 2017-05-26 | 广景视睿科技（深圳）有限公司 | Light beam combining system and projection apparatus therefor |
| WO2019090958A1 (en) * | 2017-11-13 | 2019-05-16 | 深圳光峰科技股份有限公司 | Light source system and projection device applying light source system |
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Effective date of registration: 20231226 Granted publication date: 20160323 |