CN204269921U - An a kind of two photosynthetic light path system and the laser sight containing this light path system - Google Patents
An a kind of two photosynthetic light path system and the laser sight containing this light path system Download PDFInfo
- Publication number
- CN204269921U CN204269921U CN201420681177.8U CN201420681177U CN204269921U CN 204269921 U CN204269921 U CN 204269921U CN 201420681177 U CN201420681177 U CN 201420681177U CN 204269921 U CN204269921 U CN 204269921U
- Authority
- CN
- China
- Prior art keywords
- prism
- light source
- laser light
- light path
- laser
- 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.)
- Active
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/02—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors
- G02B23/04—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors for the purpose of beam splitting or combining, e.g. fitted with eyepieces for more than one observer
Landscapes
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Laser Beam Processing (AREA)
Abstract
The two photosynthetic light path system that the utility model provides and the laser sight containing this light path system, comprise the first LASER Light Source and the second LASER Light Source also comprises by the first prism and the second prism bases cemented prism glued together parallel to each other; Semi-transparent semi-reflecting film is plated in the bottom surface of the second prism; First prism and the second prism are right-angle prism; The emergent light of the first LASER Light Source impinges perpendicularly on the side of the horizontal-extending of described second prism; The emergent light of the second LASER Light Source impinges perpendicularly in the first vertical side of described first prism.Ensure that the good synthesis degree of two light, simplify the physical construction of two photosynthetic one, and substantially increase the precision of debugging because light path well overlaps each other, and make debugging simple, and be easy to change the direction of illumination taking aim at the light fixture such as tool or torch well adjusted by adjustment screw and adjustment spring.
Description
Technical field
The utility model belongs to field of photoelectric technology, is specifically related to an a kind of two photosynthetic light path system and the laser sight containing this light path system, can be applicable to various synthesized source, variously takes aim at the technical field such as tool, lighting source.
Background technology
Existing multiple light courcess light path is synthesizing in the outgoing of same light path, and synthesis degree is poor, bulky, debugging inconvenience.And be that laser is restrainted in output two mostly, the such as patent No. is the Double light beam laser of 00230860.6, it is mainly by tandem two turning devices, and adopt half anti-film in formerly incident turning device, by injection after the reflection of a light beam part, remainder light beam after transmission turning device after adopting the film that is all-trans is reflected, form a branch of incident light and produce two bundle emergent lights, simultaneously fundamental purpose processes two pieces workpiece, boost productivity, in fact it is not proper pair of light source.
For another example, the patent No. is the two light torch of one of 201320152642.4, it has mainly installed a LED and a laser module in lamp head, thus made this flashlight for exporting common illumination and swash light-struck function simultaneously, although what adopt compared with aforementioned patent is two independent light sources, but its output light path differs, the two is not needed to overlap or synthesis, for this reason, if the demand of two light sources that demand fulfillment uses different light sources under different circumstances or use light path almost to overlap, then need again to develop light path system simultaneously.
Utility model content
The purpose of this utility model is the problem that synthesis degree is poor, bulky and debugging is inconvenient solving existing pair of light source power existence.
For reaching above-mentioned purpose, the utility model provides an a kind of two photosynthetic light path system, comprise the first LASER Light Source (3) and the second LASER Light Source (4), it is characterized in that: also comprise by the first prism (2a) and the second prism (2b) bottom surface cemented prism glued together (2) parallel to each other;
Semi-transparent semi-reflecting film is plated in the bottom surface of described second prism (2b);
Described first prism (2a) and the second prism (2b) are right-angle prism;
The emergent light of described first LASER Light Source (3) impinges perpendicularly on the side (2ba) of the horizontal-extending of described second prism (2b);
The emergent light of described second LASER Light Source (4) impinges perpendicularly in first vertical side (2aa) of described first prism (2a).
Second vertical side (2bb) emitting light path of described second prism (2b) is provided with condenser lens or focus lens group (1).
A kind of laser sight containing an above-mentioned two photosynthetic light path system, comprise the housing (10) containing light hole, special character is, described first LASER Light Source (3) and the second LASER Light Source (4) to be arranged in described housing (10) and to be placed on orthogonal direction respectively, to make described first LASER Light Source (3) mutually vertical with the emergent light of the second LASER Light Source (4) and to intersect, and penetrate in housing (10) by described bright dipping duct (5) through described cemented prism (2).
Be provided with an inner casing (7) in described housing (10), the unthreaded hole portion (7a) that this inner casing (7) comprises installing described condenser lens or focus lens group (1) and the outside surface be communicated with through cylindrical portion (7b) are the hollow bulb adjusting portion (7c) of sphere;
Described unthreaded hole portion (7a) is arranged in described bright dipping duct (5), on the perisporium in this bright dipping duct (5), offer the orthogonal horizontal helical nail (10a) and vertical screw hole (10b) that extend outside to inside from housing (10), on the inwall of described perisporium, correspond respectively to described horizontal helical nail (10a) and vertical screw hole (10b) place be provided with the blind hole of putting adjustment spring (6);
The rear end end opens of described hollow bulb adjusting portion (7c) has the end mounting hole installing described second LASER Light Source (4); The top of this hollow bulb adjusting portion (7c) offers the top mounting holes (15) installing described first LASER Light Source (3);
Described cemented prism (2) is arranged on the prism table (8) that is placed in described hollow bulb adjusting portion (7c).
Prism table (8) be placed in pipe portion (8a) in described cylindrical portion (7b) by front end and with this pipe portion (8a) one and coaxial, that surfaces externally and internally is sphere mounting groove (8b) form;
The notch of described mounting groove (8b) is just to described first LASER Light Source (3); And the rearward end of this mounting groove (8b) is uncovered, just right with described second LASER Light Source (4);
The notch inside top of described mounting groove (8) is provided with two just right draw-in grooves extended vertically (8c), in order to the top edge place of block in the side (2ba) of the horizontal-extending of described second prism (2b);
Second vertical side (2bb) of described second prism (2ba) is just arranged the rear port of described pipe portion (8a);
The inside surface of described hollow bulb adjusting portion (7c) is sphere;
Described cylindrical portion (7b) offers pitching adjustment screw (9) adjusting described pipe portion (8a) angle of pitch, this pitching adjustment screw (9) is four, is circumferentially evenly arranged on ring-shaped step (7e) place of described cylindrical portion (7b) rearward end outside surface;
The bottom of described hollow bulb adjusting portion (7c) offers be oppositely arranged two leveling screw (11) adjusting described mounting groove (8b) left and right angle;
The bottom of described mounting groove (8b) is provided with two grooves about its center line symmetry (8d), an axial arc barrier (8e) is formed in this midline, to make described two horizontal adjustment difference pushing tows be oppositely arranged in the both sides of this axial arc barrier (8e), realize the adjustment that the left and right of described mounting groove (8) is partial to.
The utility model has the advantages that: optical source wavelength as required, can be identical, also can be different.Can control separately during control, also can control simultaneously.
Below in conjunction with drawings and Examples, the utility model is elaborated.
Accompanying drawing explanation
Fig. 1 is two photosynthetic light path system schematic diagram.
Fig. 2 be form the first prism of cemented prism and the second prism bases toward each other time schematic diagram.
Fig. 3 is the axial cut-open view of laser sight containing the two photosynthetic light path system shown in Fig. 1.
Fig. 4 is inner casing configuration diagram.
Fig. 5 contains the appearance schematic diagram of the laser sight of the two photosynthetic light path system shown in Fig. 1.
Fig. 6 is prism table structural representation
Fig. 7 is that Fig. 5 is in the transverse sectional view at the mounting groove place of installation prism table.
Description of reference numerals: 1, condenser lens or focus lens group; 2, cemented prism; 2a, the first prism; 2b, the second prism; 2ba, side; 2aa, the first vertical side; 2bb, the second vertical side; 3, the first LASER Light Source; 4, the second LASER Light Source; 5, bright dipping duct; 6, spring is adjusted; 7, inner casing; 7a, unthreaded hole portion; 7b, cylindrical portion; 7c, hollow bulb adjusting portion; 7e/ ring-shaped step; 8, prism table; 8a, pipe portion; 8b, mounting groove; 8c, draw-in groove; 8d, groove; 9, pitching adjustment screw; 10, housing; 10a, horizontal helical nail; 10b, vertically screw hole; 11, leveling screw.
Embodiment
In order to overcome the problem that synthesis degree is poor, bulky and debugging is inconvenient that existing pair of light source power exists, present embodiments provide and a kind ofly provide the two photosynthetic light path system shown in a kind of Fig. 1, comprise the first LASER Light Source 3 and the second LASER Light Source 4, also comprise the first prism 2a and the second prism 2b bottom surface cemented prism 2 glued together parallel to each other as shown in Figure 2, wherein, the incident light of the second LASER Light Source 4 is transmitted through the bottom surface of the second prism 2b through the bottom surface of the first prism 2a, then through the second vertical side 2bb level injection through the second prism 2b behind the bottom surface of this second prism 2b, for this reason, spy plates semi-transparent semi-reflecting film on the bottom surface of the second prism 2b, guarantee to be incident on the incident laser transmission from the first prism 2a on the bottom surface of the second prism 2b in it while, guarantee that laser on the side 2ba of the horizontal-extending of the second prism 2b is penetrated by the second vertical side 2bb level through the second prism 2b after reflecting, therefore, the the first prism 2a selected and the second prism 2b is right-angle prism, bottom surface rear formation cemented prism 2 relatively glued together each other, join reflectance coating and semi-transparent semi-reflecting film outward, the twice laser beam of vertical incidence just can be made to penetrate along same level direction, form the light path system of two photosynthetic.
And in order to make the laser of injection brighter, the present embodiment spy is provided with condenser lens or focus lens group 1 on the second vertical side 2bb emitting light path of the second prism 2b.
To sum up, be not difficult to find out, this pair of photosynthetic light path system is formed and simple, be conducive to the miniaturization of debugging and structure, and two the emitting light path of bundle laser coincide with one another because synthesis degree is very well, this is more conducive to use the lighting source of the light path system of this pair photosynthetic one or take aim at the debugging of tool.
Fig. 3 is then a kind of laser sight containing an above-mentioned two photosynthetic light path system, comprise the housing 10 containing light hole, above-mentioned first LASER Light Source 3 and the second LASER Light Source 4 to be arranged in housing 10 and to be placed on orthogonal direction respectively, to make the first LASER Light Source 3 mutually vertical with the emergent light of the second LASER Light Source 4 and to intersect, and penetrate in housing 10 through bright dipping duct 5 after cemented prism 2.This is fairly simple, and a two photosynthetic light path system after installing relatively fixing namely can not change the direction of its emergent light take aim at tool, be applicable to two kinds of different LASER Light Source with the use of or be used alternatingly, as daytime can use green laser light source, and night and use red laser light source.
Adjusted in order to the direction of shoot laser can be made, can be provided with the inner casing 7 shown in a Fig. 4 further in housing 10, the outside surface that the unthreaded hole portion 7a that this inner casing 7 comprises installing condenser lens or focus lens group 1 is communicated with through cylindrical portion 7b is the hollow bulb adjusting portion 7c of sphere; Unthreaded hole portion 7a is arranged in the bright dipping duct 5 shown in Fig. 3, on the perisporium in this bright dipping duct 5, offer the orthogonal horizontal helical nail 10a extended outside to inside from housing 10 shown in Fig. 5 and vertical screw hole 10b, on the inwall of the perisporium in bright dipping duct 5, correspond respectively to horizontal helical nail 10a and vertical screw hole 10b place is provided with the blind hole of putting adjustment spring 6; The Fig. 4 that sees you later is visible, and the rear end end opens of hollow bulb adjusting portion 7c has the end mounting hole of installation second LASER Light Source 4; The top of this hollow bulb adjusting portion 7c offers the top mounting holes 15 of installation first LASER Light Source 3; Cemented prism 2 is arranged on the prism table 8 that is placed in hollow bulb adjusting portion 7c.
So far, be not difficult to find out, under the mating reaction of adjustment screw and adjustment spring, realize the adjustment of the angle of pitch to inner casing 7 and left and right pivot angle, and then realize the adjustment of direction of illumination of the shoot laser to the two photosynthetic light path system installed within it, and very convenient with there is higher precision.
As seen from Figure 6 prism table 8 be placed in pipe portion 8a in cylindrical portion 7b by front end and with this pipe portion 8a one and coaxial, that surfaces externally and internally is sphere mounting groove 8b form; And the notch of mounting groove 8b is just to the first LASER Light Source 3; And the rearward end of this mounting groove 8b is uncovered, just right with the second LASER Light Source 4; The notch inside top of mounting groove 8 is provided with two just right draw-in groove 8c extended vertically, in order to the top edge place of block at the side 2ba of the horizontal-extending of the second prism 2b; The vertical side 2bb of the second prism 2ba is just arranged the rear port of described pipe portion 8a, visible, this prism table 8 be arranged so that the mounting means of balsaming lens 2 meets the designing requirement of a two photosynthetic light path system, and its outside surface is the mounting groove 8b of sphere, object be to coordinate with the sphere inside surface of hollow bulb adjusting portion 7c and in the diagram shown in cylindrical portion 7b on offer adjust screw 9 in order to the pitching adjusting the pipe portion 8a angle of pitch, this pitching adjustment screw 9 is four, is circumferentially evenly arranged on the ring-shaped step 7e place of cylindrical portion 7b rearward end outside surface; The bottom of hollow bulb adjusting portion 7c offers be oppositely arranged two leveling screw 11 adjusting described mounting groove about 8b angle, and the bottom of the mounting groove 8b shown in Fig. 6, Fig. 7 is provided with two groove 8d about its center line symmetry, an axial arc barrier 8e is formed in this midline, to make described two horizontal adjustment difference pushing tows be oppositely arranged in the both sides of this axial arc barrier 8e, realize the adjustment that the left and right of mounting groove 8 is partial to.
In sum, the two photosynthetic light path system that theres is provided of each embodiment and the laser sight containing this light path system or other lighting sources are as torch etc. above, ensure that the good synthesis degree of two light through this pair of photosynthetic light path system, simplify the physical construction of two photosynthetic one, and substantially increase the precision of debugging because light path well overlaps each other, and make debugging simple, and be easy to change the direction of illumination taking aim at the light fixture such as tool or torch well adjusted by adjustment screw and adjustment spring.
Claims (5)
1. a two photosynthetic light path system, comprises the first LASER Light Source (3) and the second LASER Light Source (4), it is characterized in that: also comprise by the first prism (2a) and the second prism (2b) bottom surface cemented prism glued together (2) parallel to each other;
Semi-transparent semi-reflecting film is plated in the bottom surface of described second prism (2b);
Described first prism (2a) and the second prism (2b) are right-angle prism;
The emergent light of described first LASER Light Source (3) impinges perpendicularly on the side (2ba) of the horizontal-extending of described second prism (2b);
The emergent light of described second LASER Light Source (4) impinges perpendicularly in first vertical side (2aa) of described first prism (2a).
2. a two photosynthetic light path system as claimed in claim 1, is characterized in that: the second vertical side (2bb) emitting light path of described second prism (2b) is provided with condenser lens or focus lens group (1).
3. the laser sight containing the two photosynthetic light path system described in claim 1 or 2, comprise the housing (10) containing light hole, it is characterized in that: described first LASER Light Source (3) and the second LASER Light Source (4) to be arranged in described housing (10) and to be placed on orthogonal direction respectively, to make described first LASER Light Source (3) mutually vertical with the emergent light of the second LASER Light Source (4) and to intersect, and penetrate in housing (10) by described bright dipping duct (5) through described cemented prism (2).
4. the laser sight containing a two photosynthetic light path system according to claim 2, comprise the housing (10) containing light hole, it is characterized in that: described first LASER Light Source (3) and the second LASER Light Source (4) to be arranged in described housing (10) and to be placed on orthogonal direction respectively, to make described first LASER Light Source (3) mutually vertical with the emergent light of the second LASER Light Source (4) and to intersect, and penetrate in housing (10) by described bright dipping duct (5) through described cemented prism (2);
Be provided with an inner casing (7) in described housing (10), the unthreaded hole portion (7a) that this inner casing (7) comprises installing described condenser lens or focus lens group (1) and the outside surface be communicated with through cylindrical portion (7b) are the hollow bulb adjusting portion (7c) of sphere;
Described unthreaded hole portion (7a) is arranged in described bright dipping duct (5), on the perisporium in this bright dipping duct (5), offer the orthogonal horizontal helical nail (10a) and vertical screw hole (10b) that extend outside to inside from housing (10), on the inwall of described perisporium, correspond respectively to described horizontal helical nail (10a) and vertical screw hole (10b) place be provided with the blind hole of putting adjustment spring (6);
The rear end end opens of described hollow bulb adjusting portion (7c) has the end mounting hole installing described second LASER Light Source (4); The top of this hollow bulb adjusting portion (7c) offers the top mounting holes (15) installing described first LASER Light Source (3);
Described cemented prism (2) is arranged on the prism table (8) that is placed in described hollow bulb adjusting portion (7c).
5. the laser sight of a photosynthetic light path system as claimed in claim 4 two, is characterized in that: described prism table (8) be placed in pipe portion (8a) in described cylindrical portion (7b) by front end and with this pipe portion (8a) one and coaxial, that surfaces externally and internally is sphere mounting groove (8b) form;
The notch of described mounting groove (8b) is just to described first LASER Light Source (3); And the rearward end of this mounting groove (8b) is uncovered, just right with described second LASER Light Source (4);
The notch inside top of described mounting groove (8) is provided with two just right draw-in grooves extended vertically (8c), in order to the top edge place of block in the side (2ba) of the horizontal-extending of described second prism (2b);
Second vertical side (2bb) of described second prism (2ba) is just arranged the rear port of described pipe portion (8a);
The inside surface of described hollow bulb adjusting portion (7c) is sphere;
Described cylindrical portion (7b) offers pitching adjustment screw (9) adjusting described pipe portion (8a) angle of pitch, this pitching adjustment screw (9) is four, is circumferentially evenly arranged on ring-shaped step (7e) place of described cylindrical portion (7b) rearward end outside surface;
The bottom of described hollow bulb adjusting portion (7c) offers be oppositely arranged two leveling screw (11) adjusting described mounting groove (8b) left and right angle;
The bottom of described mounting groove (8b) is provided with two grooves about its center line symmetry (8d), an axial arc barrier (8e) is formed in this midline, to make described two horizontal adjustment difference pushing tows be oppositely arranged in the both sides of this axial arc barrier (8e), realize the adjustment that the left and right of described mounting groove (8) is partial to.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420681177.8U CN204269921U (en) | 2014-11-14 | 2014-11-14 | An a kind of two photosynthetic light path system and the laser sight containing this light path system |
| PCT/CN2015/093693 WO2016074578A1 (en) | 2014-11-14 | 2015-11-03 | Optical path system combining dual light into one and laser collimator containing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420681177.8U CN204269921U (en) | 2014-11-14 | 2014-11-14 | An a kind of two photosynthetic light path system and the laser sight containing this light path system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204269921U true CN204269921U (en) | 2015-04-15 |
Family
ID=52804781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420681177.8U Active CN204269921U (en) | 2014-11-14 | 2014-11-14 | An a kind of two photosynthetic light path system and the laser sight containing this light path system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN204269921U (en) |
| WO (1) | WO2016074578A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016074578A1 (en) * | 2014-11-14 | 2016-05-19 | 西安华科光电有限公司 | Optical path system combining dual light into one and laser collimator containing same |
| CN109765566A (en) * | 2019-01-07 | 2019-05-17 | 武汉船用机械有限责任公司 | A kind of installation and locating method of laser orientation device and deep well pump |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1026294C (en) * | 1992-08-07 | 1994-10-26 | 中国科学院上海光学精密机械研究所 | Prismatic double light beam dynamic laser focus aiming indicator |
| US20040231220A1 (en) * | 2003-05-23 | 2004-11-25 | Mccormick Patrick | Trajectory compensating riflescope |
| CN2802537Y (en) * | 2005-06-21 | 2006-08-02 | 北京光电技术研究所 | Medical constant diameter laser aiming structure |
| CN2893626Y (en) * | 2005-08-19 | 2007-04-25 | 陈贵忠 | Universal two-into-one laser sighting device |
| US7599045B2 (en) * | 2006-01-25 | 2009-10-06 | Asia Optical Co., Inc. | Method for eliminating internal reflection of range finding system and range finding system applying the same |
| CN204269921U (en) * | 2014-11-14 | 2015-04-15 | 西安华科光电有限公司 | An a kind of two photosynthetic light path system and the laser sight containing this light path system |
-
2014
- 2014-11-14 CN CN201420681177.8U patent/CN204269921U/en active Active
-
2015
- 2015-11-03 WO PCT/CN2015/093693 patent/WO2016074578A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016074578A1 (en) * | 2014-11-14 | 2016-05-19 | 西安华科光电有限公司 | Optical path system combining dual light into one and laser collimator containing same |
| CN109765566A (en) * | 2019-01-07 | 2019-05-17 | 武汉船用机械有限责任公司 | A kind of installation and locating method of laser orientation device and deep well pump |
| CN109765566B (en) * | 2019-01-07 | 2021-06-15 | 武汉船用机械有限责任公司 | Laser orienting device and installation positioning method of deep-well pump |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016074578A1 (en) | 2016-05-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106247279B (en) | Lens and its light emitting device | |
| CN203204288U (en) | A semiconductor lighting source | |
| CN206771260U (en) | Reflection unit and light source module group | |
| CN204075508U (en) | A kind of laser Machining head with function for monitoring | |
| CN204269921U (en) | An a kind of two photosynthetic light path system and the laser sight containing this light path system | |
| CN102610995A (en) | Laser module, projecting system and lighting system | |
| CN106764939B (en) | A kind of collimation lens for eliminating stray light | |
| CN204062850U (en) | A kind of LED lens of extensive angle and there is the LED lamp of these lens | |
| CN110543014A (en) | Design method of double-free-form-surface lens for short-distance illumination of LED (light emitting diode) surface light source | |
| CN104748021A (en) | LED lighting device | |
| CN205048201U (en) | Spreadlight lens and LED bar lamp | |
| CN205824922U (en) | Projecting Lamp lens, the light emitting module with these Projecting Lamp lens and Projecting Lamp | |
| CN103574329B (en) | Light fixture and its reflecting assembly | |
| CN104676490A (en) | Lighting component and operating lamp | |
| CN107489986A (en) | Reflection unit and light source module group | |
| CN207992665U (en) | A kind of illuminating laser module | |
| CN103064241A (en) | Light-emitting diode (LED) illumination light path used for projector and capable of reducing optical energy loss | |
| CN204536647U (en) | An a kind of two photosynthetic laser sight | |
| CN206112844U (en) | Lens and spotlight | |
| CN212584893U (en) | Laser device capable of changing light and laser lighting equipment | |
| CN211475533U (en) | LED optical fiber light source device based on self-focusing lens | |
| CN104676472A (en) | Lens assembly and lamp provided with same | |
| CN207584685U (en) | Optical lens | |
| CN205678598U (en) | A kind of small-bore light-distribution lens of low-angle | |
| CN203054431U (en) | LED illumination light path used for projector and capable of reducing optical energy losses |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |