CN204964979U - Projection illumination optical path - Google Patents
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- CN204964979U CN204964979U CN201520739445.1U CN201520739445U CN204964979U CN 204964979 U CN204964979 U CN 204964979U CN 201520739445 U CN201520739445 U CN 201520739445U CN 204964979 U CN204964979 U CN 204964979U
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- 230000003287 optical effect Effects 0.000 title claims abstract description 69
- 238000005286 illumination Methods 0.000 title abstract description 5
- KPHWPUGNDIVLNH-UHFFFAOYSA-M diclofenac sodium Chemical compound [Na+].[O-]C(=O)CC1=CC=CC=C1NC1=C(Cl)C=CC=C1Cl KPHWPUGNDIVLNH-UHFFFAOYSA-M 0.000 claims description 66
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000002834 transmittance Methods 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000000737 periodic effect Effects 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 4
- 239000003086 colorant Substances 0.000 abstract 2
- 235000009537 plain noodles Nutrition 0.000 abstract 2
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000000265 homogenisation Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000004304 visual acuity Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Projection Apparatus (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model provides a reasonable projection illumination optical path of simple structure, include: the three primary colors light source of constituteing by first light source, secondary light source and third light source, three collimating lens groups of group with three primary colors light source one -to -one, beam split lens group includes: first color selective mirror and second color selective mirror, by going into the plain noodles and go out the even light cylindrical lens that even light cylindrical lens that the plain noodles was the cylindrical array structure forms to organize, include: first even light cylindrical lens, the even light cylindrical lens of second and the even light cylindrical lens of third, the even light intensity that the combination is used for producing two orthogonal directions distributes. This projection illumination optical path realizes three routes light source and collimation light path mutual independence, adopts even light cylindrical lens group to carry out the homogenization to the light beam, and simple structure is equitable, has guaranteed the output of every light source, and is favorable to reducing the cost of processing and assembly.
Description
Technical field
The utility model relates to digital projection display technique field, more particularly, relates to a kind of even smooth cylindrical lens and projection lighting optical path 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, 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, minitype projection machine technical development is in recent years swift and violent, the products such as DLP, LCOS are proposed portable handhold mini-size projector product (PICO) one after another, or are built in the projector's module in the handheld mobile devices such as mobile phone.
The wide-angle distribution that the function of projection module illumination path is to be sent by light source as much as possible, shape differ, brightness illuminating ray not etc., are converted to the uniform light spots being irradiated to display chip effective coverage, realize evenly, bright projection display picture.The projector of existing routine, after normally Xian Jiang tri-road light source carries out conjunction light, then carries out even light by fly's-eye lens or optical wand, and light path is comparatively large, is unfavorable for reducing the volume of projector and improving the performance of projector.Projection module will be applied in hand-held electronic equipment better, will under maintenance has the prerequisite of high light output, require that projecting light path's design is succinct efficient, make projector meet the applicable conditions be applied in hand-held electronic equipment such as size is little, light loss is low, this also becomes those skilled in the art one of technical matters to be solved.
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, ensure that the output power of each light source, and is conducive to the shadow illumination path of the cost reducing processing and assembling.
For achieving the above object, the utility model provides a kind of projection lighting optical path, comprising: the three primary light source be made up of the first light source, secondary light source and the 3rd light source; Be arranged at the first collimation lens set on described first light source optical path respectively, be arranged at the second collimation lens set in described secondary light source light path and be arranged at the 3rd collimation lens set on described 3rd light source optical path; Light splitting lens set, comprising: the first dichronic mirror and the second dichronic mirror; The even smooth set of cylindrical lenses that the even smooth set of cylindrical lenses being cylindrical array structure by incidence surface and exiting surface becomes, comprise: the first even smooth cylindrical lens, the second even smooth cylindrical lens and the 3rd even smooth cylindrical lens, combine the even light distribution for generation of two orthogonal directionss; Wherein, the cylindrical axes of the first even smooth cylindrical lens to the cylindrical axes of the 3rd even smooth cylindrical lens to orthogonal setting, and the cylindrical axes of the second even smooth cylindrical lens to the cylindrical axes of the 3rd even smooth cylindrical lens to orthogonal setting.
Preferably, the central optical axis of described second even smooth cylindrical lens is parallel with the central optical axis of the 3rd even smooth cylindrical lens, and the central optical axis of all even with first smooth cylindrical lens is vertical.
Preferably, first even optical lens be used for producing the light beam from the first light source and secondary light source and the cylindrical axes of the first even smooth cylindrical lens to the even light distribution of equidirectional, with the cylindrical axes of the first even optical lens to the orthogonal the 3rd even smooth cylindrical lens be used for producing the light beam from the first light source and secondary light source and the cylindrical axes of the 3rd even smooth cylindrical lens to the even light distribution of equidirectional; Second even smooth cylindrical lens be used for producing the light beam from the 3rd light source and the cylindrical axes of the second even smooth cylindrical lens to the even light distribution of equidirectional, with the cylindrical axes of the second even optical lens to the orthogonal the 3rd even smooth cylindrical lens be used for producing the light beam from the 3rd light source and the cylindrical axes of the 3rd even smooth cylindrical lens to the even light distribution of equidirectional.
Preferably, the cylindrical array surface of described first even smooth cylindrical lens, the second even smooth cylindrical lens and the 3rd even smooth cylindrical lens be convex cylindrical lens and between the periodic arrangement structure of spill seam smooth connection, incidence surface and exiting surface all completely cover by described cylindrical array; The face structure of the convex cylindrical lens on incidence surface becomes Mirror Symmetry with the face structure of the convex cylindrical lens on exiting surface.
Preferably, described first even smooth cylindrical lens and/or the second even smooth cylindrical lens and/or the 3rd even smooth cylindrical lens can be plastics or glass material.
Preferably, the central optical axis of described second collimation lens set is parallel with the central optical axis of the 3rd collimation lens set, all vertical with the central optical axis of the first collimation lens set.
Preferably, the described light beam from the first light source after the first collimation lens set collimation through by the first dichronic mirror transmission, from secondary light source light beam through second collimation lens set collimation after again via the first dichroic mirror, first even smooth cylindrical lens is arranged on the first dichronic mirror light path front, and the light beam via the first dichronic mirror transmittance and reflectance converges before the incidence surface of described first even smooth cylindrical lens; From the light beam of the first even smooth cylindrical lens via the second dichroic mirror, from the light beam of the second even smooth cylindrical lens via the second dichronic mirror transmission, 3rd even smooth cylindrical lens is arranged on the second dichronic mirror light path front, and the light beam via the second dichronic mirror transmittance and reflectance converges before described 3rd even light beam face lens incidence surface.
Preferably, described first dichronic mirror and the second dichronic mirror be arranged in parallel.
Preferably, described three primary light source is LED light source or LASER Light Source.
Preferably, in technique scheme, described three primary light source is made up of red light source, blue-light source and green light source.
Preferably, in technique scheme, described projection lighting optical path can be used for the projection module that display chip is DMD or LCOS or LCD.
Preferably, the central optical axis angle of described first dichronic mirror and the first collimation lens set is 45 degree, and the central optical axis angle of described first dichronic mirror and the second collimation lens set is also 45 degree; The central optical axis angle of described second dichronic mirror and the first collimation lens set is 45 degree, and the central optical axis angle of described second dichronic mirror and the 3rd collimation lens set is also 45 degree.
Compared with prior art, the utility model has following beneficial effect: provide a kind of projection lighting optical path, comprising: three primary light source; With three primary light source three groups of collimation lens set one to one; Light splitting lens set, comprising: the first dichronic mirror and the second dichronic mirror; The even smooth set of cylindrical lenses that the even smooth set of cylindrical lenses being cylindrical array structure by incidence surface and exiting surface becomes, comprise: the first even smooth cylindrical lens, the second even smooth cylindrical lens and the 3rd even smooth cylindrical lens, combine the even light distribution for generation of two orthogonal directionss.This projection lighting optical path realize three road light sources and collimated light path separate, adopt even smooth set of cylindrical lenses to carry out homogenising to light beam, simple and reasonable, ensure that the output power of each light source, and be conducive to reduce processing and assembling cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the optimum embodiment of projection lighting optical path of the present utility model;
Fig. 2 is the even smooth set of cylindrical lenses perspective view of the optimum embodiment of projection lighting optical path of the present utility model.
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.
Fig. 1 is the structural representation of the optimum embodiment of projection lighting optical path of the present utility model; Fig. 2 is the even smooth set of cylindrical lenses perspective view of the optimum embodiment of projection lighting optical path of the present utility model; As depicted in figs. 1 and 2, according to a kind of projection lighting optical path of the utility model embodiment, comprising: the three primary light source be made up of the first light source 101, secondary light source 102 and the 3rd light source 103; Be arranged at the first collimation lens set 104 in described first light source 101 light path respectively, be arranged at the second collimation lens set 105 in described secondary light source 102 light path and be arranged at the 3rd collimation lens set 106 in described 3rd light source 103 light path; Light splitting lens set for changing light path comprises: the first dichronic mirror 107 and the second dichronic mirror 108; The even smooth set of cylindrical lenses that the even smooth set of cylindrical lenses being cylindrical array structure by incidence surface and exiting surface becomes, comprising: the first even smooth cylindrical lens 110 of even smooth cylindrical lens 109, second and the 3rd even smooth cylindrical lens 111; Wherein, the cylindrical axes of the first even smooth cylindrical lens 109 be arranged in parallel (in accompanying drawing 2 to the cylindrical axes of 109a and the second even smooth cylindrical lens 110 to 110a, due to drawing angle reason, cannot cylindrical axes completely depending on going out the first even smooth cylindrical lens 109 parallel to 110a with the cylindrical axes of the second even smooth cylindrical lens 110 to 109a); The cylindrical axes of the first even smooth cylindrical lens 109 is to the cylindrical axes of 109a and the 3rd even smooth cylindrical lens 111 to the orthogonal setting of 111a, and the cylindrical axes of the second even smooth cylindrical lens 110 is to the cylindrical axes of 110a and the 3rd even smooth cylindrical lens 111 to the orthogonal setting of 111a.
In the present embodiment, the cylindrical axes of described first even smooth cylindrical lens 109 to the cylindrical axes of 109a and the 3rd even smooth cylindrical lens 111 to the orthogonal setting of 111a, for producing the even light distribution of two orthogonal directionss to the light beam from the first light source 101 and secondary light source 102; The cylindrical axes of the second even smooth cylindrical lens 110 to the cylindrical axes of 110a and the 3rd even smooth cylindrical lens 111 to the orthogonal setting of 111a, for producing the even light distribution of two orthogonal directionss to the light beam from the second dichronic mirror 108.
Such as: when our setting, the cylindrical axes of the first even smooth cylindrical lens 109 is set as Y-direction to 109a, the cylindrical axes of the 3rd even smooth cylindrical lens 111 is set as X-direction to 111a.When the first even optical lens 109 is for producing the even light distribution of Y-direction to the light beam from the first light source 101 and secondary light source 102, then with its cylindrical axes to the orthogonal the 3rd even smooth cylindrical lens 111 for producing the even light distribution of X-direction to the light beam from the first light source 101 and secondary light source 102, first even smooth cylindrical lens 109 and the 3rd even smooth cylindrical lens 111 combine and carry out Y and X two orthogonal directionss to the light beam from the first spectroscope 107 and produce even light distribution, are equivalent to the effect of a fly's-eye lens.
In like manner, when our setting, the cylindrical axes of the second even smooth cylindrical lens 110 is set as Y-direction to 110a, the cylindrical axes of the 3rd even smooth cylindrical lens 111 is set as X-direction to 111a.When the second even smooth cylindrical lens 110 produces the even light distribution of Y-direction to the light beam from the 3rd light source 103, then with its cylindrical axes to the orthogonal the 3rd even smooth cylindrical lens 111 for the even light distribution light beam from the 3rd light source 103 being produced to X-direction.
The described light beam from the first light source 101 after the first collimation lens set 104 collimates through by the first dichronic mirror 107 transmission, light beam from secondary light source 102 reflects via the first dichronic mirror 107 after the second collimation lens set 105 collimates again, first even smooth cylindrical lens 109 is arranged on the first dichronic mirror 107 light path front, and the light beam via the first dichronic mirror 107 transmittance and reflectance converges before the incidence surface of described first even smooth cylindrical lens 109; The described light beam from the first light source 101 and secondary light source 102 converging before the incidence surface of described first even smooth cylindrical lens 109 via the first dichronic mirror 107 respectively after the first collimation lens set 104 and the second collimation lens set 105 collimation; First even smooth cylindrical lens 109 produces the even light distribution of Y-direction to the light beam from the first light source 101 and secondary light source 102;
Described second even smooth cylindrical lens 110 is arranged on the light path dead ahead of the 3rd collimation lens set 106, carry out even light to the light beam after collimating through the 3rd collimation lens set 106, the second even smooth cylindrical lens 110 produces the even light distribution of Y-direction to the light beam from the 3rd light source 103;
Light beam from the first even smooth cylindrical lens 109 reflects via the second dichronic mirror 108, from the light beam of the second even smooth cylindrical lens 110 via the second dichronic mirror 108 transmission, 3rd even smooth cylindrical lens 111 is arranged on the second dichronic mirror 108 light path front, light beam via the second dichronic mirror 108 transmittance and reflectance converges before described 3rd even smooth cylindrical lens 111 incidence surface, and incide the 3rd even smooth cylindrical lens 111 and carry out again even light, 3rd even smooth cylindrical lens 111 is for producing the even light distribution of X-direction to the light beam from the first light source 101 and secondary light source 102, light beam from the 3rd light source 103 is produced to the even light distribution of X-direction simultaneously.
In the present embodiment, first even smooth cylindrical lens 109, second even smooth cylindrical lens 110, and the 3rd cylindrical axes between even smooth cylindrical lens 111 three to setting not necessarily as above-mentioned setting, also other forms can be arranged to, as long as the cylindrical axes that can meet described first even smooth cylindrical lens 109 is to the cylindrical axes of 109a and the 3rd even smooth cylindrical lens 111 to the orthogonal setting of 111a, for producing the even light distribution of two orthogonal directionss to the light beam from the first light source 101 and secondary light source 102; The cylindrical axes of the second even smooth cylindrical lens 110 to the cylindrical axes of 110a and the 3rd even smooth cylindrical lens 111 to the orthogonal setting of 111a, for producing the even light distribution of two orthogonal directionss to the light beam from the second dichronic mirror 108.
In the present embodiment, the central optical axis of described first collimation lens set 104 is vertical with the central optical axis of the second collimation lens set 105, or the central optical axis of described first collimation lens set 104 is vertical with the central optical axis of the 3rd collimation lens set 106; The described light beam from the first light source 101 collimates through the first collimation lens set 104, and the light beam from secondary light source 102 collimates through the second collimation lens set 105; First dichronic mirror 107 can carry out transmission to the light of incidence relative to the beam incident surface of the first light source 101, first dichronic mirror 107 can reflect the light of incidence relative to the beam incident surface of secondary light source 102 simultaneously, first dichronic mirror 107 carries out transmission to the light beam from the first light source 101, light beam from secondary light source 102 is reflected, makes it converge before the incidence surface of described first even smooth cylindrical lens 109; Described second even smooth cylindrical lens 110 is arranged on the light path dead ahead of the 3rd collimation lens 106, and the described light beam from the 3rd light source 103 enters the second even smooth cylindrical lens 110 after the 3rd collimation lens set 106 collimates; The beam incident surface of the second dichronic mirror 108 smooth cylindrical lens 109 even relative to first can reflect the light of incidence, and the beam incident surface of the second dichronic mirror 108 smooth cylindrical lens 110 even relative to second can carry out transmission to the light of incidence simultaneously; Second dichronic mirror 108 reflects the light beam from the first even smooth cylindrical lens 109, transmission is carried out to the light beam from the second even smooth cylindrical lens 110, makes light beam converge before the incidence surface of described 3rd even smooth cylindrical lens 111 and incide the 3rd even smooth cylindrical lens 111.
In the present embodiment, described first dichronic mirror 107 and the second dichronic mirror 108 are for be arrangeding in parallel.
In the present embodiment, the central optical axis of described second even smooth cylindrical lens 110 is parallel with the central optical axis of the 3rd even smooth cylindrical lens 111, and the central optical axis of all even with first smooth cylindrical lens 109 is vertical.
In the present embodiment, preferably, the central optical axis angle of described first dichronic mirror 107 and the first collimation lens set 104 is 45 degree, and the central optical axis angle of described first dichronic mirror 107 and the second collimation lens set 105 is also 45 degree; The central optical axis angle of described second dichronic mirror 108 and the first collimation lens set 104 is 45 degree, and the central optical axis angle of described second dichronic mirror 108 and the 3rd collimation lens set 106 is also 45 degree.
In the present embodiment, the first collimation lens set 104, second collimation lens set 105 and the 3rd collimation lens set 106 can be set to the lens of planar lens or toroidal lens or other types.
In the present embodiment, the first dichronic mirror 107 and the second dichronic mirror 108 can be arranged to planar lens; The beam incident surface of the first dichronic mirror 107 relative to the first light source 101 can be coated with anti-reflection film, and the first dichronic mirror 107 increases anti-film relative to the beam incident surface of secondary light source 102 can be coated with; The beam incident surface of the second dichronic mirror 108 smooth cylindrical lens 109 even relative to first can be coated with and increase anti-film, the beam incident surface of simultaneously the second dichronic mirror 108 smooth cylindrical lens 110 even relative to second can be coated with anti-reflection film.
In the present embodiment, first even smooth cylindrical lens 109 and the second even smooth cylindrical lens 110 or the 3rd even smooth cylindrical lens 111 also can be arranged according to other angles each other, simultaneously, first dichronic mirror 107 and the angle between the second dichronic mirror 108 with even smooth cylindrical lens also relative set can become other angles, as long as can meet: the first dichronic mirror 107 converges the light beam of the first light source 101 and the light beam from secondary light source 102; Meanwhile, the second dichronic mirror 108 converges the light beam of light and the 3rd light source 103 converged from the first dichronic mirror 107.
In the present embodiment, the cylindrical array surface of the described first even smooth cylindrical lens 110 of even smooth cylindrical lens 109, second and the 3rd even smooth cylindrical lens 111 be convex cylindrical lens and between the periodic arrangement structure of spill seam smooth connection, incidence surface and exiting surface all completely cover by described cylindrical array; The face structure of the convex cylindrical lens on incidence surface becomes Mirror Symmetry with the face structure of the convex cylindrical lens on exiting surface; Described first even smooth cylindrical lens 109 and/or the second even smooth cylindrical lens 110 and/or the 3rd even smooth cylindrical lens 111 can be plastics or glass material.
In the present embodiment, described three primary light source can be LED light source or LASER Light Source; Preferably, described three primary light source is made up of red LED light source, blue led light source and green LED light source.
In the present embodiment, described projection lighting optical path can be used for the projection module that display chip is DMD or LCOS or LCD.
In sum, this projection lighting optical path realize three road light sources and collimated light path separate, adopt even smooth set of cylindrical lenses to carry out homogenising to light beam, simple and reasonable, ensure that the output power of each light source, and be conducive to reduce processing and assembling cost.
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 (10)
1. a projection lighting optical path, is characterized in that, comprising:
The three primary light source be made up of the first light source, secondary light source and the 3rd light source;
Be arranged at the first collimation lens set on described first light source optical path respectively, be arranged at the second collimation lens set in described secondary light source light path and be arranged at the 3rd collimation lens set on described 3rd light source optical path;
Light splitting lens set, comprising: the first dichronic mirror and the second dichronic mirror;
The even smooth set of cylindrical lenses that the even smooth set of cylindrical lenses being cylindrical array structure by incidence surface and exiting surface becomes, comprise: the first even smooth cylindrical lens, the second even smooth cylindrical lens and the 3rd even smooth cylindrical lens, combine the even light distribution for generation of two orthogonal directionss;
Wherein, the cylindrical axes of the first even smooth cylindrical lens to the cylindrical axes of the 3rd even smooth cylindrical lens to orthogonal setting, and the cylindrical axes of the second even smooth cylindrical lens to the cylindrical axes of the 3rd even smooth cylindrical lens to orthogonal setting.
2. projection lighting optical path according to claim 1, is characterized in that, the central optical axis of described second even smooth cylindrical lens is parallel with the central optical axis of the 3rd even smooth cylindrical lens, and the central optical axis of all even with first smooth cylindrical lens is vertical.
3. projection lighting optical path according to claim 1 and 2, it is characterized in that, first even optical lens be used for producing the light beam from the first light source and secondary light source and the cylindrical axes of the first even smooth cylindrical lens to the even light distribution of equidirectional, with the cylindrical axes of the first even optical lens to the orthogonal the 3rd even smooth cylindrical lens be used for producing the light beam from the first light source and secondary light source and the cylindrical axes of the 3rd even smooth cylindrical lens to the even light distribution of equidirectional; Second even smooth cylindrical lens be used for producing the light beam from the 3rd light source and the cylindrical axes of the second even smooth cylindrical lens to the even light distribution of equidirectional, with the cylindrical axes of the second even optical lens to the orthogonal the 3rd even smooth cylindrical lens be used for producing the light beam from the 3rd light source and the cylindrical axes of the 3rd even smooth cylindrical lens to the even light distribution of equidirectional.
4. projection lighting optical path according to claim 1 and 2, it is characterized in that, the cylindrical array surface of described first even smooth cylindrical lens, the second even smooth cylindrical lens and the 3rd even smooth cylindrical lens be convex cylindrical lens and between the periodic arrangement structure of spill seam smooth connection, incidence surface and exiting surface all completely cover by described cylindrical array; The face structure of the convex cylindrical lens on incidence surface becomes Mirror Symmetry with the face structure of the convex cylindrical lens on exiting surface.
5. projection lighting optical path according to claim 1 and 2, is characterized in that, described first even smooth cylindrical lens and/or the second even smooth cylindrical lens and/or the 3rd even smooth cylindrical lens can be plastics or glass material.
6. projection lighting optical path according to claim 1, is characterized in that, the central optical axis of described second collimation lens set is parallel with the central optical axis of the 3rd collimation lens set, all vertical with the central optical axis of the first collimation lens set.
7. projection lighting optical path according to claim 1, it is characterized in that, the described light beam from the first light source after the first collimation lens set collimation through by the first dichronic mirror transmission, from secondary light source light beam through second collimation lens set collimation after again via the first dichroic mirror, first even smooth cylindrical lens is arranged on the first dichronic mirror light path front, and the light beam via the first dichronic mirror transmittance and reflectance converges before the incidence surface of described first even smooth cylindrical lens; From the light beam of the first even smooth cylindrical lens via the second dichroic mirror, from the light beam of the second even smooth cylindrical lens via the second dichronic mirror transmission, 3rd even smooth cylindrical lens is arranged on the second dichronic mirror light path front, and the light beam via the second dichronic mirror transmittance and reflectance converges before described 3rd even light beam face lens incidence surface.
8. projection lighting optical path according to claim 1, is characterized in that, described first dichronic mirror and the second dichronic mirror be arranged in parallel.
9. projection lighting optical path according to claim 1, is characterized in that, described three primary light source is LED light source or LASER Light Source.
10. projection lighting optical path according to claim 1, is characterized in that, the central optical axis angle of described first dichronic mirror and the first collimation lens set is 45 degree, and the central optical axis angle of described first dichronic mirror and the second collimation lens set is also 45 degree; The central optical axis angle of described second dichronic mirror and the first collimation lens set is 45 degree, and the central optical axis angle of described second dichronic mirror and the 3rd collimation lens set is also 45 degree.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520739445.1U CN204964979U (en) | 2015-09-22 | 2015-09-22 | Projection illumination optical path |
| PCT/CN2016/093399 WO2017050026A1 (en) | 2015-09-22 | 2016-08-05 | Projected illumination light path |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520739445.1U CN204964979U (en) | 2015-09-22 | 2015-09-22 | Projection illumination optical path |
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| Publication Number | Publication Date |
|---|---|
| CN204964979U true CN204964979U (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520739445.1U Active CN204964979U (en) | 2015-09-22 | 2015-09-22 | Projection illumination optical path |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN204964979U (en) |
| WO (1) | WO2017050026A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017050026A1 (en) * | 2015-09-22 | 2017-03-30 | 广景视睿科技（深圳）有限公司 | Projected illumination light path |
| CN107436510A (en) * | 2017-09-19 | 2017-12-05 | 歌尔科技有限公司 | LCOS lighting devices |
| WO2023179188A1 (en) * | 2022-03-25 | 2023-09-28 | 华为技术有限公司 | Projection optical machine, display device, and vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE344936T1 (en) * | 1998-06-05 | 2006-11-15 | Seiko Epson Corp | LIGHT SOURCE AND DISPLAY DEVICE |
| JP3317915B2 (en) * | 1999-03-12 | 2002-08-26 | エヌイーシービューテクノロジー株式会社 | Video projection device |
| JP5268429B2 (en) * | 2008-05-28 | 2013-08-21 | キヤノン株式会社 | Image display device and illumination optical system |
| CN103529629B (en) * | 2012-08-30 | 2015-12-16 | 广景科技有限公司 | DLP miniature projector |
| CN203909463U (en) * | 2014-06-26 | 2014-10-29 | 深圳市安华光电技术有限公司 | Projection illumination optical path |
| CN204964979U (en) * | 2015-09-22 | 2016-01-13 | 广景视睿科技（深圳）有限公司 | Projection illumination optical path |
-
2015
- 2015-09-22 CN CN201520739445.1U patent/CN204964979U/en active Active
-
2016
- 2016-08-05 WO PCT/CN2016/093399 patent/WO2017050026A1/en active Application Filing
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017050026A1 (en) * | 2015-09-22 | 2017-03-30 | 广景视睿科技（深圳）有限公司 | Projected illumination light path |
| CN107436510A (en) * | 2017-09-19 | 2017-12-05 | 歌尔科技有限公司 | LCOS lighting devices |
| CN107436510B (en) * | 2017-09-19 | 2023-12-26 | 歌尔光学科技有限公司 | LCOS lighting device |
| WO2023179188A1 (en) * | 2022-03-25 | 2023-09-28 | 华为技术有限公司 | Projection optical machine, display device, and vehicle |
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| Publication number | Publication date |
|---|---|
| WO2017050026A1 (en) | 2017-03-30 |
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