CN104848055A - Lighting device - Google Patents
Lighting device Download PDFInfo
- Publication number
- CN104848055A CN104848055A CN201410704483.3A CN201410704483A CN104848055A CN 104848055 A CN104848055 A CN 104848055A CN 201410704483 A CN201410704483 A CN 201410704483A CN 104848055 A CN104848055 A CN 104848055A
- Authority
- CN
- China
- Prior art keywords
- diffractive optical
- optical element
- light source
- lighting device
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 70
- 230000007704 transition Effects 0.000 claims description 7
- 238000004806 packaging method and process Methods 0.000 claims description 6
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 claims description 5
- 229920000089 Cyclic olefin copolymer Polymers 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920002521 macromolecule Polymers 0.000 claims description 2
- 150000004702 methyl esters Chemical class 0.000 claims description 2
- 241000258971 Brachiopoda Species 0.000 abstract 1
- 238000005286 illumination Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 10
- 235000009508 confectionery Nutrition 0.000 description 4
- 238000004020 luminiscence type Methods 0.000 description 4
- 238000000059 patterning Methods 0.000 description 4
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 3
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 3
- 239000004417 polycarbonate Substances 0.000 description 3
- 239000004926 polymethyl methacrylate Substances 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 2
- 239000012994 photoredox catalyst Substances 0.000 description 2
- -1 COP Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
- F21V5/08—Refractors for light sources producing an asymmetric light distribution
-
- 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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
Abstract
An illumination device, having: the light source assembly is provided with a plurality of first light sources and at least one diffractive optical assembly, wherein the at least one diffractive optical assembly forms a diffractive grain pattern, the at least one diffractive optical assembly is respectively provided with a light inlet side and a light outlet side, and the plurality of first light sources provide incident light to the light inlet side of the at least one diffractive optical assembly; and the lamp shell receives the light emitted by the light emitting side of the at least one diffractive optical element.
Description
Technical field
The invention relates to a kind of lighting device, particularly about a kind of lighting device with diffractive optical element.
Background technology
In current lighting device, in order to make uniform in light emission or produce specific pattern, normal use cloudy surface lamp housing or integrally formed patterning lamp housing.Cloudy surface lamp housing is generally used in general home lighting or office lighting, and integrally formed patterning lamp housing is then common in car light to provide specific striped or geometrical pattern.
But the light extraction efficiency of cloudy surface lamp housing is poor, integrally formed patterning lamp housing then cannot provide a uniform visual pattern-observer to be easy to see multiple lamp source separated from one another through integrally formed patterning lamp housing.
For solving aforesaid problem, need a kind of lighting device of novelty.
Summary of the invention
The object of this invention is to provide a kind of lighting device, to improve the defect existed in known technology.
For achieving the above object, lighting device provided by the invention, it has:
One lamp source component, there is a plurality of first light source and at least one diffractive optical element, wherein, described at least one diffractive optical element forms a diffraction grain pattern, described at least one diffractive optical element respectively has an incident side and a light emission side, and described a plurality of first light source provides incident ray to the described incident side of described at least one diffractive optical element; And
One lamp housing, it receives the light sent by the described light emission side of described at least one diffractive optical element.
In one embodiment, described a plurality of first light source is by LED (light emitting diode; Light emitting diode) or OLED (organic light emitting diode; Organic Light Emitting Diode) or PLED (polymer light emitting diode; Macromolecule Organic Light Emitting Diode) form.
In one embodiment, described a plurality of first light source has single packaging body or a plurality of packaging body.
In one embodiment, described a plurality of first light source has identical coloured light or different coloured light.
In one embodiment, described a plurality of first light source has an optical transition part and at least one secondary light source, and described at least one secondary light source is positioned at least one side of this optical transition part.
In one embodiment, described a plurality of first light source is positioned at same plane or Different Plane.
In one embodiment, described a plurality of first light source has multiple optical axis direction.
In one embodiment, described diffractive optical element is a transparent or semitransparent optical module.
In one embodiment, described diffractive optical element is by glass, PC (polycarbonate; Merlon), PMMA (polymethyl methacrylate; Poly-sour methyl esters), COP (cyclo olefinpolymers; Cyclic olefin polymer), ABS (acrylonitrile butadiene styrene; Acrylonitrile-butadiene-styrene (ABS)) and a kind of material selected by group that forms of aforementioned any combination make.
Lighting device provided by the invention, also has:
One lamp source component, there is a plurality of first light source and a diffractive optical element array, wherein, described diffractive optical element array has a plurality of diffractive optical element to form a diffraction lines combination, described a plurality of diffractive optical element respectively has an incident side and a light emission side, and described a plurality of first light source provides incident ray to the described incident side of described a plurality of diffractive optical element; And
One lamp housing, it receives the light sent by the described light emission side of described a plurality of diffractive optical element.
Lighting device of the present invention, can provide lines uniform display pattern by least one diffractive optical element.
Lighting device of the present invention, can provide one to have relief display pattern by least one diffractive optical element.
Lighting device of the present invention, can be saved the number in lamp source by least one diffractive optical element.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of lighting device one embodiment of the present invention.
Fig. 2 is the combination schematic diagram of the lighting device of Fig. 1.
The candy strip schematic diagram that the lighting device that Fig. 3 is Fig. 2 produces when luminescence.
Fig. 4 is that a plurality of first light sources of the light source module of Fig. 1 are not positioned at conplane schematic diagram.
Fig. 5 is the schematic diagram that a plurality of first light sources of the light source module of Fig. 1 have two optical axis directions.
Fig. 6 is the schematic perspective view of its another embodiment of lighting device of the present invention.
Fig. 7 is the schematic diagram that lighting device of the present invention is provided with the diffractive optical element array be made up of a plurality of diffractive optical element.
Detailed description of the invention
For structure of the present invention, feature and object thereof can be understood further, by reference to the accompanying drawings and preferred embodiment elaborate.
Please refer to Fig. 1, is the schematic perspective view of lighting device one embodiment of the present invention.As shown in Figure 1, this lighting device has light source module 10, diffractive optical element 11 and a lamp housing 12.
Light source module 10 has a plurality of first light source 10a, and the first light source 10a can be made up of LED or OLED or PLED.Described a plurality of first light source 10a can have single packaging body or a plurality of packaging body, and described a plurality of first light source 10a can have identical coloured light or different coloured light.
Diffractive optical element 11 is a transparent or semitransparent optical module, and its a kind of material selected by group that can be made up of glass, PC, PMMA, COP, ABS and aforementioned any combination is made.Diffractive optical element 11 forms a lamp source component with a plurality of first light source 10a, wherein, diffractive optical element 11 has a diffraction grain pattern, an incident side 11a and a light emission side 11b, and described a plurality of first light source 10a provides incident ray to the described incident side 11a of diffractive optical element 11.Diffractive optical element 11 makes beholder watch the uniform striped pattern of lines, geometrical pattern, numeral or letter symbol apart from light emission side 11b mono-distance by the described diffraction grain pattern on its surface.
Lamp housing 12 is in order to receive the light sent by the described light emission side 11b of diffractive optical element 11.Lamp housing 12 can be a curved surface lamp housing or a plane lamp housing.
When luminescence, due to the diffraction of diffractive optical element 11, the pattern that beholder is departing from angle place, front one and will see compared with front finding pattern slight curvature.According to this, lighting device of the present invention provides three-dimensional pattern displaying effect.
Please refer to Fig. 2, it is the combination schematic diagram of the lighting device of Fig. 1.Please refer to Fig. 3, the candy strip schematic diagram that the lighting device for Fig. 2 produces when the luminescence.As shown in Figure 3, the candy strip that this lighting device produces is a uniform candy strip, and with third dimension.
In addition, a plurality of first light source 10a of light source module 10 can be positioned at same plane or not be positioned at same plane.Please refer to Fig. 4, it is that a plurality of first light source 10a of light source module 10 are not positioned at conplane schematic diagram.When a plurality of first light source 10a is not positioned at same plane, lighting device of the present invention more can strengthen the third dimension of its display pattern.
In addition, a plurality of first light source 10a of light source module 10 also can have multiple optical axis direction.Please refer to Fig. 5, it is the schematic diagram that a plurality of first light source 10a of light source module 10 have two optical axis directions.According to this, lighting device of the present invention can provide two kinds of different display patterns.
In addition, a plurality of first light source 10a of light source module 10 also can be produced by an optical transition part indirectly.By please refer to Fig. 6, it is the schematic perspective view of its another embodiment of lighting device of the present invention.As shown in Figure 6, the light source module 10 of this lighting device has an optical transition part 13, a plurality of secondary light source 14 and a reflecting element 15.
Optical transition part 13 can be made up of a light guide plate, and it has dual side-edge, an exiting surface and a back side.Described dual side-edge is respectively arranged with two secondary light sources 14 (also can arrange at least one secondary light source 14 at single side), and described exiting surface has a plurality of output optical zone 13a to provide described a plurality of first light source 10a.
A plurality of secondary light source 14 can be made up of LED or OLED or PLED.
Reflecting element 15 can be formed by such as but not limited to metal, in order to provide light reflection function.
In addition, lighting device of the present invention also can arrange a diffractive optical element array to provide comparatively complicated display pattern.Please refer to Fig. 7, it is the schematic diagram that lighting device of the present invention is provided with the diffractive optical element array be made up of a plurality of diffractive optical element.As shown in Figure 7, label is that the diffractive optical element of A has one first diffraction lines to produce vertical striped display pattern, and label is that the diffractive optical element of B then has one second diffraction lines with the striped display pattern of generation level.That is form a diffraction lines by making described a plurality of diffractive optical element and combine, lighting device of the present invention can allow beholder see a word or digital symbols when luminescence.
From above explanation, the present invention has following advantage because of the design of its novelty:
1) lighting device of the present invention can provide lines uniform display pattern by least one diffractive optical element.
2) lighting device of the present invention can provide one to have relief display pattern by least one diffractive optical element.
3) lighting device of the present invention can be saved the number in lamp source by least one diffractive optical element.
Described above is preferred embodiment, such as the change of local or modification and come from technological thought of the present invention and be easy to the person of knowing by inference by those skilled in the art, does not all take off patent right category of the present invention.
Claims (10)
1. a lighting device, it has:
One lamp source component, there is a plurality of first light source and at least one diffractive optical element, wherein, described at least one diffractive optical element forms a diffraction grain pattern, described at least one diffractive optical element respectively has an incident side and a light emission side, and described a plurality of first light source provides incident ray to the described incident side of described at least one diffractive optical element; And
One lamp housing, it receives the light sent by the described light emission side of described at least one diffractive optical element.
2. lighting device according to claim 1, wherein, described a plurality of first light source be light emitting diode or, Organic Light Emitting Diode or macromolecule Organic Light Emitting Diode.
3. lighting device according to claim 1, wherein, described a plurality of first light source has single packaging body or a plurality of packaging body.
4. lighting device according to claim 1, wherein, described a plurality of first light source has identical coloured light or different coloured light.
5. lighting device according to claim 1, wherein, described a plurality of first light source has an optical transition part and at least one secondary light source, and described at least one secondary light source is positioned at least one side of this optical transition part.
6. lighting device according to claim 1, wherein, described a plurality of first light source is positioned at same plane or Different Plane.
7. lighting device according to claim 1, wherein, described a plurality of first light source has multiple optical axis direction.
8. lighting device according to claim 1, wherein, described diffractive optical element is a transparent or semitransparent optical module.
9. lighting device according to claim 1, wherein, a kind of material selected by group that described diffractive optical element is made up of glass, Merlon, poly-sour methyl esters, cyclic olefin polymer, acrylonitrile-butadiene-styrene (ABS) and aforementioned any combination is made.
10. a lighting device, it has:
One lamp source component, there is a plurality of first light source and a diffractive optical element array, wherein, described diffractive optical element array has a plurality of diffractive optical element to form a diffraction lines combination, described a plurality of diffractive optical element respectively has an incident side and a light emission side, and described a plurality of first light source provides incident ray to the described incident side of described a plurality of diffractive optical element; And
One lamp housing, it receives the light sent by the described light emission side of described a plurality of diffractive optical element.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW103105141 | 2014-02-17 | ||
| TW103105141A TWI576540B (en) | 2014-02-17 | 2014-02-17 | Lighting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104848055A true CN104848055A (en) | 2015-08-19 |
| CN104848055B CN104848055B (en) | 2017-07-28 |
Family
ID=52925227
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410704483.3A Expired - Fee Related CN104848055B (en) | 2014-02-17 | 2014-11-27 | Lighting device |
| CN201420731269.2U Expired - Fee Related CN204227138U (en) | 2014-02-17 | 2014-11-27 | Lighting device |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420731269.2U Expired - Fee Related CN204227138U (en) | 2014-02-17 | 2014-11-27 | Lighting device |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN104848055B (en) |
| TW (1) | TWI576540B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI576540B (en) * | 2014-02-17 | 2017-04-01 | Lighting device | |
| US10942429B2 (en) * | 2018-10-01 | 2021-03-09 | Himax Technologies Limited | Projector, electronic device having projector and associated control method |
| CN111458895A (en) * | 2020-04-28 | 2020-07-28 | 迪鹏光电科技股份有限公司 | Array structured light pattern projection device |
| DE102021116099A1 (en) * | 2020-11-02 | 2022-05-05 | Olsa S.P.A. | AUTOMOTIVE OPTICAL DEVICE, AUTOMOTIVE LAMP AND AMBIENT LIGHT |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040196516A1 (en) * | 2003-03-24 | 2004-10-07 | Petersen Joel M. | Optical films for creating unique optical effects |
| JP2006179319A (en) * | 2004-12-22 | 2006-07-06 | Sharp Corp | Light source device and liquid crystal display device |
| CN1874901A (en) * | 2003-11-03 | 2006-12-06 | Ovd基尼格拉姆股份公司 | Diffractive security element comprising a half-tone picture |
| JP2007286256A (en) * | 2006-04-14 | 2007-11-01 | Dainippon Printing Co Ltd | Optical diffraction structure |
| CN201269423Y (en) * | 2008-09-27 | 2009-07-08 | 联嘉光电股份有限公司 | Illuminating apparatus |
| CN101730819A (en) * | 2007-06-29 | 2010-06-09 | 阿贝鲁系统株式会社 | Led illumination device using diffraction member |
| CN204227138U (en) * | 2014-02-17 | 2015-03-25 | 亿城精密光电股份有限公司 | Lighting device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09167731A (en) * | 1995-12-14 | 1997-06-24 | Mitsubishi Electric Corp | Projection aligner, mask pattern for evaluating aberration, method for evaluating aberration, filter for removing aberration and production of semiconductor device |
| PL1701203T3 (en) * | 2005-03-10 | 2007-10-31 | Nanogate Advanced Mat Gmbh | Flat panel display |
| TWM350770U (en) * | 2008-06-23 | 2009-02-11 | Beyondpv Co Ltd | A laser dynamic projection device with power-saving |
| TWM415250U (en) * | 2011-06-08 | 2011-11-01 | Wellypower Optronics Corp | Multi-angle lighting structure and bubble lamp structure thereof |
-
2014
- 2014-02-17 TW TW103105141A patent/TWI576540B/en not_active IP Right Cessation
- 2014-11-27 CN CN201410704483.3A patent/CN104848055B/en not_active Expired - Fee Related
- 2014-11-27 CN CN201420731269.2U patent/CN204227138U/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040196516A1 (en) * | 2003-03-24 | 2004-10-07 | Petersen Joel M. | Optical films for creating unique optical effects |
| CN1874901A (en) * | 2003-11-03 | 2006-12-06 | Ovd基尼格拉姆股份公司 | Diffractive security element comprising a half-tone picture |
| JP2006179319A (en) * | 2004-12-22 | 2006-07-06 | Sharp Corp | Light source device and liquid crystal display device |
| JP2007286256A (en) * | 2006-04-14 | 2007-11-01 | Dainippon Printing Co Ltd | Optical diffraction structure |
| CN101730819A (en) * | 2007-06-29 | 2010-06-09 | 阿贝鲁系统株式会社 | Led illumination device using diffraction member |
| CN201269423Y (en) * | 2008-09-27 | 2009-07-08 | 联嘉光电股份有限公司 | Illuminating apparatus |
| CN204227138U (en) * | 2014-02-17 | 2015-03-25 | 亿城精密光电股份有限公司 | Lighting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN204227138U (en) | 2015-03-25 |
| CN104848055B (en) | 2017-07-28 |
| TWI576540B (en) | 2017-04-01 |
| TW201533386A (en) | 2015-09-01 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170728 Termination date: 20201127 |