CN109270775A - Optical system and its projection arrangement applied to projection arrangement - Google Patents

Optical system and its projection arrangement applied to projection arrangement Download PDF

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Publication number
CN109270775A
CN109270775A CN201811413494.0A CN201811413494A CN109270775A CN 109270775 A CN109270775 A CN 109270775A CN 201811413494 A CN201811413494 A CN 201811413494A CN 109270775 A CN109270775 A CN 109270775A
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CN
China
Prior art keywords
working surface
lens
light source
projection arrangement
light
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811413494.0A
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Chinese (zh)
Inventor
赵东峰
高震宇
董立超
张楠楠
王晓燕
李博睿
李莹
杜凯凯
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Goertek Optical Technology Co Ltd
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Goertek Inc
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Publication date
Application filed by Goertek Inc filed Critical Goertek Inc
Priority to CN201811413494.0A priority Critical patent/CN109270775A/en
Publication of CN109270775A publication Critical patent/CN109270775A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/142Adjusting of projection optics
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/20Lamp housings
    • G03B21/2006Lamp housings characterised by the light source
    • G03B21/2013Plural light sources

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)

Abstract

The present invention discloses a kind of optical system and its projection arrangement applied to projection arrangement, and the optical system applied to projection arrangement includes lens subassembly and light source assembly, and the lens subassembly includes the first lens and the second lens;4th working surface of the first working surface of first lens and second lens is convex configuration;The light source includes first light source and second light source, the light that the first light source issues projects the first lens via third working surface under the reflection of the second working surface, the second light source light is transmitted through the 6th working surface into first lens, and projects first lens via the third working surface.The present invention provides a kind of optical system and its projection arrangement applied to projection arrangement, it is intended to which the optical system volume for solving projection arrangement in the prior art is excessive, the problem for causing projection arrangement volume excessive.

Description

Optical system and its projection arrangement applied to projection arrangement
Technical field
The present invention relates to projection imaging field more particularly to a kind of optical systems and its projection dress applied to projection arrangement It sets.
Background technique
Color-combination prism is the core optical component in projection arrangement, is mainly used in the coupling for carrying out various light sources, thus Color displays are provided for projection arrangement.
Augmented reality (Augmented Reality, AR) equipment is realized usually using the mode of projection imaging by virtual generation The corresponding position of real world in screen is presented in the image on boundary, and existing enhancing shows equipment using planar applications in projection arrangement Optical system device, in order to realize the coupling function of polychromatic source, it is also necessary to additional to increase imaging len or light source adjuster To realize the function of augmented reality.It is multiple that additional imaging len or light source adjuster will lead to the optical system inside projection arrangement It is miscellaneous, it is larger so as to cause projection arrangement size, user is influenced to the wearing effect of augmented reality equipment.
Summary of the invention
The main object of the present invention is to provide a kind of optical system and its projection arrangement applied to projection arrangement, it is intended to solve Certainly the optical system volume of projection arrangement is excessive in the prior art, the problem for causing projection arrangement volume excessive.
To achieve the above object, the present invention proposes a kind of optical system and its projection arrangement applied to projection arrangement, institute Stating the optical system applied to projection arrangement includes lens subassembly and light source assembly, the lens subassembly include the first lens with And second lens;First lens include the first working surface, the second working surface and third working surface, described second Lens include the 4th working surface and the 6th working surface;First working surface and the 4th working surface are convex Face structure;Second working surface and the 6th working surface are planar structure and the two parallel surface to setting;It is described Light source includes first light source and second light source, and the light that the first light source issues enters institute via first working surface It states the first lens and projects first lens, institute via the third working surface under the reflection of second working surface The light for stating second light source sending enters second lens, the second light source light transmission via the 4th working surface Enter first lens by the 6th working surface, and projects first lens via the third working surface.
Optionally, second working surface is fitted and connected with the 6th working surface.
Optionally, second working surface and/or the 6th working surface are coated with filter coating.
Optionally, the optical system applied to projection arrangement further includes the 5th working surface, wherein first work To make surface to connect with the third working surface, the third working surface connects with second working surface, and described second Working surface connects with first working surface;4th working surface connects with the 5th working surface, and described Five working surfaces connect with the 6th working surface, and the 6th working surface connects with the 4th working surface.
Optionally, the lens subassembly further includes the third lens, and the light source assembly further includes third light source;The third Lens include the 7th working surface, the 8th working surface and the 9th working surface;7th working surface is convex configuration; 8th working surface and the 9th working surface are planar structure;5th working surface and the 9th worksheet Face parallel surface is to setting;The light that the third light source issues enters the third lens via the 7th working surface, and the The third lens are projected via the 8th working surface under the reflection of nine working surfaces.
Optionally, the 5th working surface is fitted and connected with the 9th working surface.
Optionally, the 5th working surface and/or the 9th working surface are coated with filter coating.
Optionally, the 8th working surface is convex configuration.
Optionally, the lens subassembly further includes the 4th lens;4th lens include the tenth working surface, the 11st Working surface and the 12nd working surface;11st working surface and the 12nd working surface are planar structure; 11st working surface and the third working surface parallel surface are to setting;12nd working surface and the described 8th Working surface parallel surface is to setting;Light that light that the first light source issues, the second light source issue and described the The light that three light sources issue projects the 4th lens via the tenth working surface.
Optionally, the third working surface is fitted and connected with the 11st working surface;8th working surface It is fitted and connected with 12 working surface.
Optionally, the 8th working surface and/or the 12nd working surface are coated with filter coating;The third work Surface and/or the 11st working surface are coated with filter coating.
Optionally, the tenth working surface is convex configuration.
Optionally, first working surface, the 4th working surface, the 7th working surface and the described tenth Working surface is spherical structure or non-spherical structure or fresnel surface structure or free form surface structure or optical grating construction.
Optionally, the lens subassembly is glass material or resin material or solidification glue.
Optionally, the light source assembly is light emitting diode or laser or digital light processing light source or miniature organic light emission two Pole pipe or micro-led or small monochrome display.
To achieve the above object, the present invention proposes that a kind of projection arrangement, the projection arrangement include such as above-mentioned any reality Apply the optical system for being applied to projection arrangement described in mode.
In technical solution proposed by the present invention, the optical system applied to projection arrangement includes lens subassembly and light Source component, the lens subassembly include the first lens and the second lens, and the light source assembly includes first light source and second Light source.First lens include the first working surface, the second working surface and third working surface, the second lens packet Include the 4th working surface and the 6th working surface.The light that the first light source issues enters institute from first working surface The first lens are stated, light is reflected in second working surface, and projects described first thoroughly from the third working surface Mirror;The light that the second light source issues enters second lens from the 4th working surface, and light is from the 6th work Make surface into first lens, and project first lens from the third working surface.Due to first work Surface and the 4th working surface are convex configuration, compared to first working surface and the 4th working surface For planar structure, the convex configuration can adjust optical path and reduce the aberration of optical system, by first light of reflection The light that the light that source issues and the second light source by transmission issue is transmitted in the same direction, to realize more The light coupling function of a light source, avoids in multiple light sources coupling process, needs additionally to increase imaging len or light source is adjusted Device increases, the larger-size problem of projection arrangement so as to cause the volume of optical system.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of first embodiment of the invention;
Fig. 2 is the light and structural schematic diagram of first embodiment of the invention;
Fig. 3 is the structural schematic diagram of second embodiment of the invention;
Fig. 4 is the light and structural schematic diagram of second embodiment of the invention;
Fig. 5 is the structural schematic diagram of third embodiment of the invention;
Fig. 6 is the light and structural schematic diagram of third embodiment of the invention;
Fig. 7 is the structural schematic diagram of fourth embodiment of the invention;
Fig. 8 is the light and structural schematic diagram of fourth embodiment of the invention;
Fig. 9 is the light and structural schematic diagram of fifth embodiment of the invention;
Figure 10 is the light and structural schematic diagram of sixth embodiment of the invention;
Figure 11 is the light and structural schematic diagram of seventh embodiment of the invention.
Drawing reference numeral explanation:
Label Title Label Title
100 Lens subassembly 133 9th working surface
110 First lens 140 4th lens
111 First working surface 141 Tenth working surface
112 Second working surface 142 11st working surface
113 Third working surface 143 12nd working surface
120 Second lens 200 Light source assembly
121 4th working surface 210 First light source
122 5th working surface 220 Second light source
123 6th working surface 230 Third light source
130 The third lens 300 Can shake reflecting mirror
131 7th working surface 400 Microscope group is imaged
132 8th working surface
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and should not be understood as Its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " first ", The feature of " second " can explicitly or implicitly include at least one of the features.In the description of the present invention, " multiple " contain Justice is at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. shall be understood in a broad sense, For example, " fixation " may be a fixed connection, it may be a detachable connection, or integral;It can be mechanical connection, be also possible to Electrical connection;It can be directly connected, the connection inside two elements or two can also be can be indirectly connected through an intermediary The interaction relationship of a element, unless otherwise restricted clearly.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
It in addition, the technical solution between each embodiment of the present invention can be combined with each other, but must be general with this field Based on logical technical staff can be realized, it will be understood that when the combination of technical solution appearance is conflicting or cannot achieve this The combination of technical solution is not present, also not the present invention claims protection scope within.
The present invention provides a kind of optical system and its projection arrangement applied to projection arrangement.
Fig. 1 and Fig. 2 are please referred to, the optical system applied to projection arrangement includes lens subassembly 100 and light source group Part 200, the lens subassembly 100 include the first lens 110 and the second lens 120;First lens 110 include the first work Make surface 111, the second working surface 112 and third working surface 113, second lens 120 include the 4th working surface 121 and the 6th working surface 123;First working surface 111 and the 4th working surface 121 are convex configuration; Second working surface 112 and the 6th working surface 123 are planar structure and the two parallel surface to setting;The light Source includes first light source 210 and second light source 220, and the light that the first light source 210 issues is via first worksheet Face 111 enters the first lens 110 and projects first thoroughly via third working surface 113 under the reflection of the second working surface 112 Mirror 110,220 light of second light source enter the second lens 120, the second light source via the 4th working surface 121 220 light are transmitted through the 6th working surface 123 and enter first lens 110, and via the third working surface 112 project first lens 110.
In technical solution proposed by the present invention, the optical system applied to projection arrangement include lens subassembly 100 with And light source assembly 200, the lens subassembly 100 include the first lens 110 and the second lens 120, the light source assembly 200 wraps Include first light source 210 and second light source 220.First lens 110 include the first working surface 111, the second working surface 112 and third working surface 113, second lens 120 include the 4th working surface 121 and the 6th working surface 123. The light that the first light source 210 issues enters first lens 110 from first working surface 111, and light is described Second working surface 112 reflects, and projects first lens 110 from the third working surface 113;Second light The light that source 220 issues enters second lens 120 from the 4th working surface 121, and light is from the 6th worksheet Face 123 enters first lens 110, and projects first lens 110 from the third working surface 113.Due to described First working surface 111 and the 4th working surface 121 are convex configuration, compared to first working surface 111 with And the 4th working surface 121 is planar structure, the convex configuration can be used in adjusting optical path and reduce optical system The light that aberration, the light that the first light source 210 by reflection issues and the second light source 220 by transmission issue It is transmitted, to realize the light coupling function of multiple light sources, is avoided in multiple light sources coupling process in the same direction, Need additionally to increase imaging len or light source adjuster, increase so as to cause the volume of optical system, the size of projection device compared with Big problem.
Preferably, second working surface 112 is fitted and connected with the 6th working surface 123, specific embodiment In, it is spaced compared to existing between second working surface 112 and the 6th working surface 123, second worksheet Face 112 and the 6th working surface 123 are fitted and connected the light path that can reduce the optical system, avoid light in different Jie Occur more interface loss in matter, influences the light intensity of light.In preferred embodiment, second working surface 112 and institute The 6th working surface 123 is stated for glued connection, specifically, the refractive index for the glue that glued connection uses and first lens 110 and/or 120 refractive index of the second lens it is equal or close, reduce the optical path change of the optical system.
Preferably, second working surface 112 and/or the 6th working surface 123 are coated with filter coating, specific implementation In mode, the filter coating is cut-off light filtering films or light splitting filter coating.Second working surface 112 and/or the 6th work Make surface 123 and be coated with filter coating, can be improved the light of the sending of first light source 210 in second working surface 112 Reflectivity, in preferred embodiment, second working surface 112 is coated with filter coating compared to the 6th working surface 123 It is coated with filter coating, the interface loss of light can be reduced, to improve the reflectivity of light.
In some alternative embodiments, referring to figure 3. with Fig. 4, the optical system applied to projection arrangement is also It is first working surface 111 of first lens 110, described in specific embodiment including the 5th working surface 122 Second working surface 112 and the third working surface 113 successively connect, the 4th work of second lens 120 Surface 121, the 5th working surface 122 and the 6th working surface 123 successively connect.First lens 110 with Second lens 120 are for sector structure and without inactive face, to improve first lens 110 and described second thoroughly The utilization rate of mirror 120 reduces the volume of the optical system.
In some alternative embodiments, the lens subassembly 100 further includes the third lens 130, the light source assembly 200 further include third light source 230;The third lens 130 include the 7th working surface 131, the 8th working surface 132 and the Nine working surfaces 133.In specific embodiment, the light that the third light source 230 issues is via the 7th working surface 131 Into the third lens 130, and it is saturating under the reflection of the 9th working surface 133 via the 8th working surface 132 to project the third Mirror 130.In preferred embodiment, the light that the first light source 210 issues is projected after first lens 110 through by described the Nine working surfaces 133 enter the third lens 130, and project the third lens 130 from the 8th working surface 132; The light that the second light source 220 issues is passed through as described in the 9th working surface 133 entrance after projecting second lens 120 The third lens 130, and the third lens 130 are projected from the 8th working surface 132.The first light source 210, described The light that two light sources 220 and the third light source 230 issue projects the third work from the 8th working surface 132 Surface 113 avoids in multiple light sources coupling process to realize the light coupling function of multiple light sources, needs additionally to increase Add imaging len or light source adjuster, increases so as to cause the volume of optical system, the larger-size problem of projection device.
Preferably, the 5th working surface 122 is fitted and connected with the 9th working surface 133, specific embodiment In, it is spaced compared to existing between the 5th working surface 122 and the 9th working surface 133, the 5th worksheet Face 122 and the 9th working surface 133 are fitted and connected the light path that can reduce the optical system, avoid light in different Jie Occur more interface loss in matter, influences the light intensity of light.In preferred embodiment, the 5th working surface 122 and institute The 9th working surface 133 is stated for glued connection, specifically, the refractive index for the glue that glued connection uses and second lens 120 and/or 130 refractive index of the third lens it is equal or close, reduce the optical path change of the optical system.
Preferably, the 5th working surface 122 and/or the 9th working surface 133 are coated with filter coating, specific implementation In mode, the filter coating is cut-off light filtering films or light splitting filter coating.5th working surface 122 and/or the 9th work Make surface 133 and be coated with filter coating, can be improved the light of the sending of third light source 230 in the 5th working surface 122 Reflectivity, in preferred embodiment, the 5th working surface 122 is coated with filter coating compared to the 9th working surface 133 It is coated with filter coating, the interface loss of light can be reduced, to improve the reflectivity of light.
Preferably, the 8th working surface 132 is convex configuration.In specific embodiment, when the first light source 210 The light that the light and the third light source 230 that the light of sending, the second light source 220 issue issue is from the described 8th When working surface 132 projects the third lens 130, convex configuration is set by the 8th working surface 132, it can be into one The light coupling function of the raising optical system of step, reduces the aberration of the optical system, avoids additionally increasing imaging thoroughly Mirror or light source adjuster increase, the larger-size problem of projection device so as to cause the volume of optical system.
In some alternative embodiments, referring to figure 5. to Fig. 8, the lens subassembly 100 further includes the 4th lens 140, the 4th lens 140 include the tenth working surface 141, the 11st working surface 142 and the 12nd working surface 143.In specific embodiment, the light that the first light source 210 issues after the third working surface 113 injection, via 11st working surface 142 enters the 4th lens 140, and the light that the second light source 220 issues is from the described 6th After working surface 123 projects, enter the 4th lens 140, the third light source via the 11st working surface 142 230 light issued enter described the after the 8th working surface 132 injection, via the 12nd working surface 143 Four lens 140.The light and the third light source of light, the sending of the second light source 220 that the first light source 210 issues 230 light issued project the 4th lens 140 from the tenth working surface 141.Preferably, the third working surface 113 face setting, the 8th working surface 132 and the 12nd working surface 143 with the 11st working surface 142 In face of setting, to reduce light path when light transmits between the interface of different lens, avoid the occurrence of more loss.
Preferably, the third working surface 113 is fitted and connected with the 11st working surface 142;8th work Make surface 132 to be fitted and connected with the 12nd working surface 143.In specific embodiment, compared to the third worksheet There is interval, the 8th working surface 132 and the 12nd work between face 113 and the 11st working surface 142 There is interval between surface 143, the installation difficulty that connects and can not only reduce between lens is bonded to each other between working surface, simultaneously The light path that the optical system can be reduced avoids light from occurring more interface loss in different media, influences light Light intensity.In preferred embodiment, the third working surface 113 is that gluing is connect with the 11st working surface 142, described 8th working surface 132 is that gluing is connect with the 12nd working surface 143, specifically, gluing connects the glue used Refractive index and second lens 120 and/or 130 refractive index of the third lens are equal or close, reduce the optical system Optical path change.
Preferably, the third working surface 113 and/or the 11st working surface 142 are coated with filter coating, and described Eight working surfaces 132 and the 11st working surface 142 are coated with filter coating, and in specific embodiment, the filter coating is to cut Only filter coating or light splitting filter coating.The filter coating can be improved the light of the sending of third light source 230 in the 5th work Make the reflectivity on surface 122, in preferred embodiment, the 5th working surface 122 is coated with filter coating compared to the described 9th Working surface 133 is coated with filter coating, can reduce the interface loss of light, to improve the reflectivity of light.
Preferably, the tenth working surface 141 is convex configuration.In specific embodiment, when the first light source 210 The light that the light and the third light source 230 that the light of sending, the second light source 220 issue issue is from the described tenth When working surface 141 projects four lens 140, convex configuration is set by the tenth working surface 141, it can be into one The light coupling function of the raising optical system of step, reduces the aberration of the optical system, avoids additionally increasing imaging thoroughly Mirror or light source adjuster increase, the larger-size problem of projection device so as to cause the volume of optical system.
In some alternative embodiments, first working surface 111, the 4th working surface 121, described Seven working surfaces 131 and the tenth working surface 141 be spherical structure or non-spherical structure or fresnel surface structure or Free form surface structure or optical grating construction.It is understood that first working surface 111, the 4th working surface 121 with And the structure of the 7th working surface 131 is without being limited thereto, it is first working surface 111, described in another embodiment 4th working surface 121 and the 7th working surface 131 are micro- lens-array or diffractive optical structure, to realize light Source homogenization, multifocal EDS maps or the distribution of modulated dot matrix.
In some alternative embodiments, the lens subassembly 100 is glass or resin or solidification glue.Specific embodiment party In formula, first lens 110, second lens 120, the third lens 130 and the 4th lens 140 can make With any one material in glass or resin or solidification glue, and the material of different lens is identical or part is identical or complete It is complete different.It is understood that the material of the lens subassembly 100 is without being limited thereto, and in another embodiment, the lens subassembly 100 can be other optical materials with optical transmittance.
In some alternative embodiments, the light source assembly 200 is light emitting diode or laser or digital light processing Light source or miniature Organic Light Emitting Diode or micro-led or small monochrome display.In specific embodiment, work as institute When stating optical system applied to different environment, the light source assembly 200 uses unused light-emitting component, when the optical system When applied to multi partition lighting independent control light emitting diode (Ultra Light-Emitting Diode, ULED) TV, institute Stating light source assembly 200 is ULED light source.When the optical system is applied to digital light processing (Digital Light Processing.DLP) when TV, the light source assembly 200 is LED light source.When the optical system is applied to laser beam flying When (Laser Beam Scanning, LBS) display, the light source assembly 200 is laser.
In some alternative embodiments, Fig. 9 is please referred to, it is described when the optical system is applied to ULED TV First light source 210, the second light source 220 and the third light source 230 are respectively red ULED, blue light ULED and green light ULED, between the first light source 210 and first lens 110, the second light source 220 and second lens 120 it Between and the third light source 230 and the third lens 130 between be equipped with quarter-wave plate (not indicating), the light source group The light that part 200 issues injects the lens subassembly 100 after quarter-wave plate, and the quarter-wave plate can make described The light that light source issues is changed to linearly polarized light from circularly polarized light, to improve the lens subassembly 100 to the reflex of light. The light that the light source assembly 200 issues realized after the lens subassembly 100 light source coupling function and focusing or Function is dissipated, there can be better imaging effect when light being facilitated to enter subsequent optical system.
Figure 10 is please referred to, it is in some alternative embodiments, described when the optical system is applied to DLP TV First light source 210, the second light source 220 and the third light source 230 are respectively red LED, blue-ray LED and green light LED.The light that the light source assembly 200 issues realizes the coupling function of light source and is gathered after the lens subassembly 100 Burnt or diverging function, the light issued from the lens subassembly 100 are realized by reflecting mirror 300 and the imaging microscope group 400 of can shaking The light source couples of DLP TV and imaging.
Figure 11 is please referred to, in some alternative embodiments, when the optical system is applied to LBS display, institute State first light source 210, the second light source 220 and the third light source 230 be respectively red laser, blue laser, Green (light) laser.The laser that the light source assembly 200 issues realizes coupling and alignment function after the lens subassembly 100, It completes coupling and the laser of collimation is projected from the 4th lens 140, and enter subsequent optical system.
The present invention also proposes that a kind of projection arrangement, the projection arrangement include the application as described in above-mentioned any embodiment In the optical system of projection arrangement, specific structure reference above-described embodiment of the optical system of projection arrangement should be applied to, due to The optical system for being applied to projection arrangement uses whole technical solutions of above-mentioned all embodiments, therefore at least has above-mentioned All beneficial effects brought by the technical solution of embodiment, this is no longer going to repeat them.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly It is included in other related technical areas in scope of patent protection of the invention.

Claims (16)

1. a kind of optical system applied to projection arrangement, which is characterized in that the optical system packet applied to projection arrangement Lens subassembly and light source assembly are included, the lens subassembly includes the first lens and the second lens;
First lens include the first working surface, the second working surface and third working surface, the second lens packet Include the 4th working surface and the 6th working surface;
First working surface and the 4th working surface are convex configuration;
Second working surface and the 6th working surface are planar structure and the two parallel surface to setting;
The light source includes first light source and second light source, and the light that the first light source issues is via first worksheet Face enters first lens and projects described the via the third working surface under the reflection of second working surface One lens;
The light that the second light source issues enters second lens, the second light source light via the 4th working surface Line is transmitted through the 6th working surface into first lens, and projects described first via the third working surface Lens.
2. as described in claim 1 be applied to projection arrangement optical system, which is characterized in that second working surface with 6th working surface is fitted and connected.
3. being applied to the optical system of projection arrangement as described in claim 1, which is characterized in that second working surface And/or the 6th working surface is coated with filter coating.
4. the optical system as described in any one of claims 1-3 applied to projection arrangement, which is characterized in that described to be applied to The optical system of projection arrangement further includes the 5th working surface, wherein first working surface and the third working surface Connect, the third working surface connects with second working surface, second working surface and first worksheet Face connects;4th working surface connects with the 5th working surface, the 5th working surface and the 6th work Surface connects, and the 6th working surface connects with the 4th working surface.
5. being applied to the optical system of projection arrangement as claimed in claim 4, which is characterized in that the lens subassembly further includes The third lens, the light source assembly further include third light source;
The third lens include the 7th working surface, the 8th working surface and the 9th working surface;
7th working surface is convex configuration;
8th working surface and the 9th working surface are planar structure;
5th working surface and the 9th working surface parallel surface are to setting;
The light that the third light source issues enters the third lens via the 7th working surface, and in the 9th working surface The third lens are projected via the 8th working surface under reflection.
6. as claimed in claim 5 be applied to projection arrangement optical system, which is characterized in that the 5th working surface with 9th working surface is fitted and connected.
7. being applied to the optical system of projection arrangement as claimed in claim 5, which is characterized in that the 5th working surface And/or the 9th working surface is coated with filter coating.
8. being applied to the optical system of projection arrangement as claimed in claim 5, which is characterized in that the 8th working surface is Convex configuration.
9. being applied to the optical system of projection arrangement as claimed in claim 5, which is characterized in that the lens subassembly further includes 4th lens;
4th lens include the tenth working surface, the 11st working surface and the 12nd working surface;
11st working surface and the 12nd working surface are planar structure;
11st working surface and the third working surface parallel surface are to setting;
12nd working surface and the 8th working surface parallel surface are to setting;
The light warp of light, the light that the second light source issues and third light source sending that the first light source issues 4th lens are projected by the tenth working surface.
10. being applied to the optical system of projection arrangement as claimed in claim 9, which is characterized in that the third working surface It is fitted and connected with the 11st working surface;8th working surface is fitted and connected with 12 working surface.
11. being applied to the optical system of projection arrangement as claimed in claim 9, which is characterized in that the 8th working surface And/or the 12nd working surface is coated with filter coating;The third working surface and/or the 11st working surface are coated with Filter coating.
12. being applied to the optical system of projection arrangement as claimed in claim 9, which is characterized in that the tenth working surface For convex configuration.
13. being applied to the optical system of projection arrangement as claimed in claim 9, which is characterized in that first working surface, 4th working surface, the 7th working surface and the tenth working surface be spherical structure or non-spherical structure or Fresnel surface structure or free form surface structure or optical grating construction.
14. such as the described in any item optical systems applied to projection arrangement of claim 1-13, which is characterized in that the lens Component is glass material or resin material or solidification glue.
15. such as the described in any item optical systems applied to projection arrangement of claim 1-13, which is characterized in that the light source Component be light emitting diode or laser or digital light processing light source or miniature Organic Light Emitting Diode or it is micro-led or Small monochrome display.
16. a kind of projection arrangement, which is characterized in that the projection arrangement includes such as the described in any item applications of claim 1-15 In the optical system of projection arrangement.
CN201811413494.0A 2018-11-23 2018-11-23 Optical system and its projection arrangement applied to projection arrangement Pending CN109270775A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111258070A (en) * 2020-02-28 2020-06-09 歌尔股份有限公司 Imaging system and augmented reality device
CN112305759A (en) * 2019-07-29 2021-02-02 上海鲲游光电科技有限公司 Micro LED-based AR display device and imaging method thereof
WO2021017472A1 (en) * 2019-07-29 2021-02-04 上海鲲游光电科技有限公司 Imaging device, ar display apparatus, ar projection assembly and imaging method

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6457829B1 (en) * 1999-08-31 2002-10-01 Fuji Photo Optical Co., Ltd. Projection device comprising a correction lens arranged between a prism optical system and at least one of three optical modulation elements
US20050254131A1 (en) * 2004-05-14 2005-11-17 3M Innovative Properties Company Multi-directional optical element and an optical system utilizing the multi-directional optical element
CN101034206A (en) * 2006-03-09 2007-09-12 比亚迪股份有限公司 Optical imaging system for helmet display
TW200821626A (en) * 2006-09-07 2008-05-16 Koninkl Philips Electronics Nv One element beam combiner
CN101191902A (en) * 2006-11-24 2008-06-04 上海飞锐光电科技有限公司 3-colored light straight hexagonal prism color-combination prism
CN101373274A (en) * 2007-08-22 2009-02-25 鸿富锦精密工业(深圳)有限公司 Light-combining prism and mounting contraposition method thereof
CN101526673A (en) * 2008-03-07 2009-09-09 台达电子工业股份有限公司 Projection display device and light gathering prism and manufacturing method thereof
CN101598298A (en) * 2008-06-05 2009-12-09 台达电子工业股份有限公司 Light source conversion device and comprise the light supply apparatus of this light source conversion device
CN204856020U (en) * 2015-07-22 2015-12-09 广景视睿科技(深圳)有限公司 Compact projection arrangement
CN209311848U (en) * 2018-11-23 2019-08-27 歌尔股份有限公司 Optical system and its projection arrangement applied to projection arrangement

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6457829B1 (en) * 1999-08-31 2002-10-01 Fuji Photo Optical Co., Ltd. Projection device comprising a correction lens arranged between a prism optical system and at least one of three optical modulation elements
US20050254131A1 (en) * 2004-05-14 2005-11-17 3M Innovative Properties Company Multi-directional optical element and an optical system utilizing the multi-directional optical element
CN101034206A (en) * 2006-03-09 2007-09-12 比亚迪股份有限公司 Optical imaging system for helmet display
TW200821626A (en) * 2006-09-07 2008-05-16 Koninkl Philips Electronics Nv One element beam combiner
CN101191902A (en) * 2006-11-24 2008-06-04 上海飞锐光电科技有限公司 3-colored light straight hexagonal prism color-combination prism
CN101373274A (en) * 2007-08-22 2009-02-25 鸿富锦精密工业(深圳)有限公司 Light-combining prism and mounting contraposition method thereof
CN101526673A (en) * 2008-03-07 2009-09-09 台达电子工业股份有限公司 Projection display device and light gathering prism and manufacturing method thereof
CN101598298A (en) * 2008-06-05 2009-12-09 台达电子工业股份有限公司 Light source conversion device and comprise the light supply apparatus of this light source conversion device
CN204856020U (en) * 2015-07-22 2015-12-09 广景视睿科技(深圳)有限公司 Compact projection arrangement
CN209311848U (en) * 2018-11-23 2019-08-27 歌尔股份有限公司 Optical system and its projection arrangement applied to projection arrangement

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112305759A (en) * 2019-07-29 2021-02-02 上海鲲游光电科技有限公司 Micro LED-based AR display device and imaging method thereof
WO2021017472A1 (en) * 2019-07-29 2021-02-04 上海鲲游光电科技有限公司 Imaging device, ar display apparatus, ar projection assembly and imaging method
CN111258070A (en) * 2020-02-28 2020-06-09 歌尔股份有限公司 Imaging system and augmented reality device

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