CN104678680A - Light supplementing lens group and image pick-up lens adopting same - Google Patents
Light supplementing lens group and image pick-up lens adopting same Download PDFInfo
- Publication number
- CN104678680A CN104678680A CN201310628522.1A CN201310628522A CN104678680A CN 104678680 A CN104678680 A CN 104678680A CN 201310628522 A CN201310628522 A CN 201310628522A CN 104678680 A CN104678680 A CN 104678680A
- Authority
- CN
- China
- Prior art keywords
- lens
- light
- exit facet
- light filling
- plane
- 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
Links
- 230000001502 supplementing effect Effects 0.000 title abstract 3
- 238000000034 method Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 description 10
- 201000009310 astigmatism Diseases 0.000 description 8
- 238000013461 design Methods 0.000 description 7
- 238000005286 illumination Methods 0.000 description 6
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 5
- 239000004926 polymethyl methacrylate Substances 0.000 description 5
- 230000004907 flux Effects 0.000 description 4
- 238000004020 luminiscence type Methods 0.000 description 3
- 239000004417 polycarbonate Substances 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000012994 photoredox catalyst Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
- G03B15/03—Combinations of cameras with lighting apparatus; Flash units
- G03B15/05—Combinations of cameras with electronic flash apparatus; Electronic flash units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention provides a light supplementing lens group, which comprises a lens body and three lenses, wherein the three lenses are arranged on the lens body, the lenses are floodlight lenses, each lens comprises a light ray incident surface, a light ray emergent surface and a connecting surface, each light ray incident surface and each light ray emergent surface are respectively positioned at the opposite ends of the corresponding lens, and are connected through the corresponding connecting surface, each light ray emergent surface comprises one first emergent surface and second emergent surfaces, the first emergent surface is connected with the two second emergent surfaces, light rays pass through the light ray incident surface and are then emitted into the first emergent surface and the two second emergent surfaces, the first emergent surfaces and the two second emergent surfaces refract the light rays, and then, the light rays are emitted out. The invention also provides an image pick-up lens adopting the light supplementing lens group.
Description
Technical field
The present invention relates to lighting field, particularly relate to a kind of light filling lens combination and apply the pick-up lens of described light filling lens combination.
Background technology
Current CCTV camera is widely used in residential building, road, arcade shop premises, accounting office.Each different application, needs dissimilar CCTV camera.For meeting the demand of the monitoring of night monitoring and some Code in Hazardous Special Locations, day and night type CCTV camera is fast-developing.Day and night the camera lens side of type camera monitor is all equipped with LED and is carried out light filling, but these light filling modes at present on the market major way be directly arrange LED aside to carry out light filling.Another kind of mode adds reflector with LED to carry out light filling, but these modes do not have certain guarantee to illuminance degree and uniformity coefficient.
Summary of the invention
For the problems referred to above, the object of the present invention is to provide the light filling lens combination of the even light filling of a kind of wide-angle.
The present invention also provides a kind of pick-up lens applying described light filling lens combination.
In order to solve the problems of the technologies described above, the invention provides a kind of light filling lens combination, described light filling lens combination comprises lens body and is installed in three lens of described lens body, described lens are flood lens, it comprises plane of light incidence, beam projecting face and joint face, described plane of light incidence and described beam projecting face lay respectively at the opposite end of described lens, and be connected by described joint face, described beam projecting face comprises the first exit facet and two the second exit facets, described first exit facet connects described two the second exit facets, light incides described first exit facet and two the second exit facets after described plane of light incidence, penetrate after described first exit facet and two the second exit facets reflect described light.
Wherein, described lens are made up of optical-grade polymethylmethacrylacontinuous material jetting formation process.
Wherein, be provided with camera aperture in the middle part of described lens body, be provided with three through holes around described camera aperture, described lens cap is located on described through hole.
Wherein, described lens also offer accommodating cavity, and described accommodating cavity is opened in the light end of described lens, for accommodating the light source emitted beam.
Wherein, described plane of light incidence is semicircle sphere.
Wherein, described first exit facet is relatively described plane of light incidence indent arcwall face.
Wherein, the arcwall face of the relatively described plane of light incidence protrusion of described two the second exit facets.
Wherein, the angle between described two the second exit facet distances emergent ray is farthest 120 °.
A kind of pick-up lens, comprise pick-up lens and three light sources, described pick-up lens also comprises above-mentioned light filling lens combination, and described light filling lens combination comprises lens body and is installed in three lens of described lens body, described lens are flood lens, and it comprises plane of light incidence and beam projecting face; Described lens cover on described light source, and light incides described first exit facet and two the second exit facets after described plane of light incidence, penetrate after described first exit facet and two the second exit facets reflect described light.
Wherein, the angle between described two the second exit facet distances emergent ray is farthest 120 °.
Light filling lens combination of the present invention is around camera aperture three lens, structure is simple, itself and described light source 10 constitute the light-supplementing system of described pick-up lens, and the light forming uniform required astigmatism angle after beam projecting face place reflects again penetrates described pick-up lens astigmatism evenly and angular range can reach 120 ° of wide-angles.The light-supplementing system of described light filling lens combination composition meets the requirement of described pick-up lens light filling.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the decomposing schematic representation of the pick-up lens that the embodiment of the present invention provides.
Fig. 2 is the structural representation of the light filling lens combination shown in Fig. 1 and described assembling optical sources.
Fig. 3 is the light path schematic diagram after the described assembling optical sources light filling lens combination shown in Fig. 2.
Fig. 4 is the phantom view of light filling lens combination and described assembling optical sources in Fig. 3.
Fig. 5 is the distribution curve flux figure (polar form) of the pick-up lens that the embodiment of the present invention provides.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, embodiment of the present invention provides a kind of LED for covering at pick-up lens light filling, for pick-up lens provides the light filling of irradiating angle and homogeneity widely.Described pick-up lens comprise pick-up lens module (not shown), light source 10 and with the light filling lens combination 20 being loaded on described pick-up lens module, described light filling lens combination 20 and light source 10 form the light-supplementing system of described pick-up lens, it can form the visual angle light filling within 120 ° and keep illuminance even, meets the requirement to the design of wide-angle light filling in described pick-up lens.Described light source 10 can need according to illumination the light launching respective color, brightness, and exposes in described light filling lens combination 20.Described light filling lens combination 20 optical processing (as reflection, refraction) from as described in the light of light source 10, thus on face to be illuminated, form the emergent light of required half light intensity angle.
In embodiments of the present invention, described pick-up lens also comprises the assemblies such as pick-up lens housing, heat sink, driven unit.Described pick-up lens housing is as the main body of described pick-up lens, and it is for holding the assemblies such as described light source 10, pick-up lens module, heat sink, driven unit in the inner.Described light filling lens combination 20 to be removably installed on described pick-up lens housing and to cover on described light source 10 and described pick-up lens.
See also Fig. 2, described light source 10 can be light emitting diode (light emitting diode, LED) chip, its by the mode such as surface mount, welding be installed on described heat sink (as, aluminium base) on, the heat conduction produced when described light source 10 can work by described heat sink sheds.Described light source 10 comprises illuminating part 12.Described illuminating part 12 is installed in described light filling lens combination 20, and its light sent exposes in described light filling lens combination 20, and is repeatedly reflected by the surface of described light filling lens combination 20.
See also Fig. 3, in embodiments of the present invention, described light filling lens combination 20 comprise lens body 21, the several lens 21 taken shape in lens body 21.Described lens body 21 can be made up of transparent materials such as polymethylmethacrylate (PolymethylMethacrylate, PMMA) or polycarbonate (Polycarbonate, PC).Described lens 23 have three, and roughly in hemispheric cover body, it can be made up of optical grade PMMA material jetting formation process.Particularly, described lens body 21 is circular lamellar body, is provided with camera aperture 211 in the middle part of it.Be positioned at described camera aperture 211 periphery and be provided with the through hole 213 relative with described three lens 23.Described camera aperture 211 is for exposing described pick-up lens.Described in each, lens 23 can be flood lens, and its surface comprises plane of light incidence 24, beam projecting face 25 and joint face 26.Described plane of light incidence 24 and described beam projecting face 25 lay respectively at the opposite end of light filling lens combination 20, are connected between described plane of light incidence 24 with described beam projecting face 25 by the transition of described joint face 26.Described joint face 26 is connected with described lens body 21, and described lens 23 are fixed in described lens body 21.In the present embodiment, described lens 23 are shaped in described lens body 21.
In embodiments of the present invention, described lens 23 also offer accommodating cavity 27.Described accommodating cavity 27 is opened in the light end (one end that namely area is less) of described lens 23, is joint face 26 in the present embodiment.The accommodating cavity 27 of described lens 23 is relative and through with described through hole 213.Described light source 10 aims at described through hole 213, and the illuminating part 122 of described light source 10 is placed in described accommodating cavity 27.Described plane of light incidence 24 defines described accommodating cavity 27, and the light that the illuminating part 12 being positioned at described accommodating cavity 27 sends exposes on described plane of light incidence 24.In the present embodiment, described plane of light incidence 24 for radius be the hemisphere face of 3 millimeters.
Refer to Fig. 4, described beam projecting face 25 is made up of different exit facets.Be specially, described beam projecting face 25 comprises the first exit facet 251 and the second exit facet 252.Described first exit facet 251 connects described second exit facet 252.In an embodiment of the present invention, described first exit facet 251 is roughly indent arcwall face.The some light sent that described light source 10 is launched incides described first exit facet 251 after described plane of light incidence 24, and described light injection (light as shown in Figure 4 1.) forming required astigmatism angle after the first exit facet 251 place reflects again.Described second exit facet 252 entirety can be ring-type spherical, and its inner periphery connects described first exit facet 251 periphery, and excircle connects described joint face 26.The some light that described light source 10 sends incides described second exit facet 252 after plane of light incidence 251, and forms the light injection (light as shown in Figure 4 2. with light 3.) of required astigmatism angle after again there is refraction.Wherein, angle on described second exit facet 251 between the distance emergent ray farthest near described joint face 26 is 120 °, namely two light 3. between angle, and described plane of light incidence 24 is hemisphere face, the refraction of the light of process is negligible, ensure that the described light through fiber exit face 25 equiangularly distributes scattering, formed a uniform-illumination, half light intensity angle is the light distribution effect of 120 °.
Described joint face 26 is the side of described light filling lens combination 20, and it is connected between described plane of light incidence 24 and described beam projecting face 25.In embodiments of the present invention, described joint face 26 is a circular planes, and described light filling lens combination 20 can be loaded on described pick-up lens housing by it.
As one embodiment of the present of invention, one of design of described light filling lens combination 20 can be: described light filling lens combination 20 is flood lens, and it comprises several lens 23 be made up of optical grade PMMA material jetting formation process; Described joint face 26 is connected between described plane of light incidence 24 and beam projecting face 25, and described joint face 26 is a plane; Plane of light incidence 24 for radius be the hemisphere face of 3 millimeters.Described first exit facet 251 connects described second exit facet 252.Described first exit facet 251 is roughly indent arcwall face.Described two the second exit facet 252 entirety can circular sphere, and its inner periphery connects described first exit facet 251 periphery, and excircle connects described joint face 26.。Be understandable that; above-mentioned design is only described one of them specific embodiment of light filling lens combination 20; the application is not restricted to above-mentioned design; the size of described light filling lens combination 20 designs according to the physical dimension of described pick-up lens; as long as the design parameter meeting this optical property, all within the application's protection domain, does not repeat them here.
Refer to Fig. 5, based on above-mentioned design, described two the second exit facets 251 are 120 ° (with reference to Fig. 4) apart from the angle between emergent ray farthest, and described plane of light incidence 24 is hemisphere face, the refraction of the light of process is negligible, ensure that the light of described warp exit facet 25 equiangularly distributes scattering, formed a uniform-illumination, half light intensity angle is the light distribution effect of 120 °.Therefore, described pick-up lens finally can form illuminance as shown in Figure 5, because described lens 23 adopt the LED chip of lambert's type luminescence, luminous flux is that 100lm/PCS carries out optical analogy, half light intensity angle is 120 °, the distance of 1 meter far away, covering field angle is that its illumination of camera watch region of 120 ° is all at more than 7lux; Therefore combine around described camera aperture 211 with three lens 23 in the present embodiment, the light-supplementing system that described light filling lens combination 20 forms meets the light filling demand of described pick-up lens in illuminance and light range.
See also Fig. 1 to Fig. 5, during use, after described three light sources 10 are energized, need according to illumination the light sending respective color and brightness.The illuminating part 12 of described light source 10 is placed in the accommodating cavity 27 of described each lens 23, and aims at described plane of light incidence 24.The some light sent that described light source 10 is launched incides described first exit facet 251 after described plane of light incidence 24, and described light injection (light as shown in Figure 4 1.) forming required astigmatism angle after the first exit facet 251 place reflects again.Described second exit facet 252 entirety can be circular spherical, and its inner periphery connects described first exit facet 251 periphery, and excircle connects described joint face 26.The some light that described light source 10 sends incides two described second exit facets 252 after plane of light incidence 251, and forms the light injection of required astigmatism angle after again there is refraction.Described two the second exit facets 251 are 120 ° (with reference to Fig. 4) apart from the angle between emergent ray farthest, and described plane of light incidence 24 is hemisphere face, the refraction of the light of process is negligible, described lens 23 adopt the LED chip of lambert's type luminescence, luminous flux is that 100lm/PCS carries out optical analogy, it adopts the LED chip of lambert's type luminescence due to described lens 23, luminous flux is that 100lm/PCS carries out optical analogy, half light intensity angle is 120 °, the distance of 1 meter far away, covering field angle is that its illumination of camera watch region of 120 ° is all at more than 7lux; Therefore combine around described camera aperture 211 with three lens 23 in the present embodiment, the light-supplementing system that described light filling lens combination 20 forms meets the light filling demand of described pick-up lens in illuminance and light range.
In sum, in pick-up lens provided by the present invention, described light filling lens combination 20 is simple around the structure of camera aperture three lens, itself and described light source 10 constitute the light-supplementing system of described pick-up lens, the light that described light source 10 sends is directly incident on described beam projecting face 25 by after described plane of light incidence 24, forms the light injection of required astigmatism angle after described beam projecting face 25 place reflects again.Therefore, described pick-up lens astigmatism evenly and angular range can reach 120 ° of wide-angles.The light-supplementing system that described light filling lens combination 20 forms meets the requirement of described pick-up lens light filling.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a light filling lens combination, it is characterized in that, described light filling lens combination comprises lens body and is installed in three lens of described lens body, described lens are flood lens, it comprises plane of light incidence, beam projecting face and joint face, described plane of light incidence and described beam projecting face lay respectively at the opposite end of described lens, and be connected by described joint face, described beam projecting face comprises the first exit facet and the second exit facet, described second exit facet connects described first exit facet periphery, light incides described first exit facet and two the second exit facets after described plane of light incidence, penetrate after described first exit facet and two the second exit facets reflect described light.
2. light filling lens combination according to claim 1, is characterized in that, described lens are made up of optical-grade polymethylmethacrylacontinuous material jetting formation process.
3. light filling lens combination according to claim 1, is characterized in that, is provided with camera aperture in the middle part of described lens body, and be provided with three through holes around described camera aperture, described lens cap is located on described through hole.
4. light filling lens combination according to claim 3, is characterized in that, described lens also offer accommodating cavity, and described accommodating cavity is opened in the light end of described lens, for accommodating the light source emitted beam.
5. light filling lens combination according to claim 1, is characterized in that, described plane of light incidence is semicircle sphere.
6. light filling lens combination according to claim 5, is characterized in that, described first exit facet is relatively described plane of light incidence indent arcwall face.
7. light filling lens combination according to claim 6, is characterized in that, described second exit facet is circular spherical.
8. light filling lens combination according to claim 1, is characterized in that, the angle between described two the second exit facet distances emergent ray is farthest 120 °.
9. a pick-up lens, comprise pick-up lens and three light sources, it is characterized in that, described pick-up lens also comprises the light filling lens combination in claim 1 to 8 described in any one, described light filling lens combination comprises lens body and is installed in three lens of described lens body, described lens are flood lens, and it comprises plane of light incidence and beam projecting face; Described lens cover on described light source, and light incides described first exit facet and two the second exit facets after described plane of light incidence, penetrate after described first exit facet and two the second exit facets reflect described light.
10. light filling lens subassembly according to claim 9, is characterized in that, the angle between described two the second exit facet distances emergent ray is farthest 120 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310628522.1A CN104678680A (en) | 2013-11-29 | 2013-11-29 | Light supplementing lens group and image pick-up lens adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310628522.1A CN104678680A (en) | 2013-11-29 | 2013-11-29 | Light supplementing lens group and image pick-up lens adopting same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104678680A true CN104678680A (en) | 2015-06-03 |
Family
ID=53313957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310628522.1A Pending CN104678680A (en) | 2013-11-29 | 2013-11-29 | Light supplementing lens group and image pick-up lens adopting same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104678680A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114035319A (en) * | 2021-11-24 | 2022-02-11 | 重庆紫光华山智安科技有限公司 | Lens design method and related device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1755959A (en) * | 2004-09-27 | 2006-04-05 | 恩普乐股份有限公司 | Light emitting device, surface light source device, display device, and light beam control member |
| CN101852388A (en) * | 2010-06-23 | 2010-10-06 | 深圳市九洲光电科技有限公司 | Wide-angle light-distribution lens for LEDs and application thereof |
| CN202870442U (en) * | 2012-08-28 | 2013-04-10 | 厦门华联电子有限公司 | Lens structure of infrared light source |
-
2013
- 2013-11-29 CN CN201310628522.1A patent/CN104678680A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1755959A (en) * | 2004-09-27 | 2006-04-05 | 恩普乐股份有限公司 | Light emitting device, surface light source device, display device, and light beam control member |
| CN101852388A (en) * | 2010-06-23 | 2010-10-06 | 深圳市九洲光电科技有限公司 | Wide-angle light-distribution lens for LEDs and application thereof |
| CN202870442U (en) * | 2012-08-28 | 2013-04-10 | 厦门华联电子有限公司 | Lens structure of infrared light source |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114035319A (en) * | 2021-11-24 | 2022-02-11 | 重庆紫光华山智安科技有限公司 | Lens design method and related device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2544393C2 (en) | Light-emitting device and lighting unit | |
| US20090161360A1 (en) | Light refraction illumination device | |
| CN105465646B (en) | A kind of LED light structure of achievable circular light spot and square focus spot transformation | |
| US9557035B2 (en) | Light flux controlling member, light emitting device and illumination apparatus | |
| CN107614964B (en) | Light flux controlling member, light emitting device, and lighting device | |
| CN104676476A (en) | Lens assembly and LED lamp using same | |
| JP6549595B2 (en) | Lighting device | |
| CN104676473A (en) | Lens and lamp using same | |
| JP2012064558A (en) | Light guide pole uniformly emitting light beam and led lamp applying this light guide pole | |
| CN206130886U (en) | Lamp shade, lamps and lanterns and aircraft | |
| CN103994395A (en) | Led optical system and lamp | |
| CN104295967B (en) | LED multifaceted light-emitting planar light source | |
| CN104678680A (en) | Light supplementing lens group and image pick-up lens adopting same | |
| CN104676467A (en) | Lens and LED (light emitting diode) lamp with lens | |
| CN104180300A (en) | Lamp and lens thereof | |
| US20100118543A1 (en) | Methodology of optical feedback for led lighting | |
| CN104676472A (en) | Lens assembly and lamp provided with same | |
| CN104214668B (en) | The LED lamp of lens and its application lens | |
| US20140218972A1 (en) | Light guiding apparatus and light source device including the same | |
| TWI667499B (en) | Light guide plate with micro lens and light emitting apparatus | |
| CN208535649U (en) | A kind of illuminator and illumination module and lens | |
| CN104676471A (en) | Lens assembly and LED lamp provided with same | |
| CN104676468B (en) | The LED lamp of lens subassembly and the application lens subassembly | |
| CN221570353U (en) | Polarized lens and lamp | |
| CN104503006B (en) | Lens and there is the light adjusting system of these lens |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150603 |