CN103163586A - Optical fiber and projector - Google Patents
Optical fiber and projector Download PDFInfo
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- CN103163586A CN103163586A CN201110405638XA CN201110405638A CN103163586A CN 103163586 A CN103163586 A CN 103163586A CN 201110405638X A CN201110405638X A CN 201110405638XA CN 201110405638 A CN201110405638 A CN 201110405638A CN 103163586 A CN103163586 A CN 103163586A
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- light
- guide device
- main body
- optical fiber
- penetrates
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Abstract
The invention discloses an optical fiber and a projector. The optical fiber is provided with a main body. The main body is provided with a light shining curved surface. Radius of curvature of the center of the light shining curved surface towards to the main body is substantially 0.05 mm-1mm so that light rays which are shone out of the main body by the light shining curved surface are collimating.
Description
Technical field
The present invention relates to a kind of optical element, particularly a kind of optical fiber and projection arrangement of relating to.
Background technology
Optical devices for example projection arrangement often need to be controlled the path of optics with complicated Lens Design in light source module.Position between lens must configure accurately, otherwise the light skew can reduce the usefulness of optical devices, seriously even can cause inefficacy.Yet, lens configure to such an extent that reach with extra retaining element, and lens this as element of costliness, so the cost of projection arrangement is very high.
Summary of the invention
The object of the present invention is to provide a kind of optical fiber and projection arrangement, optical fiber can be in order to penetrating the very light of collimation, and projection arrangement uses optical fiber to replace the lens combination of complexity and cost costliness, so simple structure, cost are low.
For reaching above-mentioned purpose, according to an aspect of the present invention, a kind of optical fiber is proposed, this optical fiber has a main body.Main body has a light and penetrates curved surface.The center that light penetrates curved surface is in fact 0.05mm to 1mm towards the radius-of-curvature of main body, makes from light and penetrates the light of curved surface ejaculation main body for collimating.
According to a further aspect in the invention, propose a kind of projection arrangement, this projection arrangement comprises a display panel and a light source module.Display panel comprises reflection type liquid crystal panel or penetration liquid crystal panel.Light source module comprises a light-emitting component, one first smooth treatment element, one first light-guide device and one second light-guide device.The first smooth treatment element comprises divided duplexing equipment, photo-coupler or light distributor.The first light-guide device has relative a light receiving end and a light output end.The contiguous light-emitting component of light receiving end.Contiguous the first smooth treatment element of light output end.The second light-guide device is made of above-mentioned optical fiber.The second light-guide device receives the light that sends from the first light-guide device, and this light is sent to light via main body and penetrates the curved surface ejaculation and provide to display panel.
Preferred embodiment cited below particularly, and coordinate appended accompanying drawing, be described in detail below:
Description of drawings
Fig. 1 is the cut-open view of optical fiber in one embodiment of the invention;
Fig. 2 is the cut-open view of optical fiber in one embodiment of the invention;
Fig. 3 is the cut-open view of optical fiber in one embodiment of the invention;
Fig. 4 is the schematic diagram of projection arrangement in one embodiment of the invention;
Fig. 5 is the schematic diagram of projection arrangement in one embodiment of the invention;
Fig. 6 is the schematic diagram of projection arrangement in one embodiment of the invention;
Fig. 7 is the schematic diagram of projection arrangement in one embodiment of the invention.
The main element symbol description
10,20,30: optical fiber
11: main body
12,22,32: light penetrates curved surface
103,303: light source module
105,305: light-emitting component
108,308: the first light-guide devices
109,309: the first smooth treatment elements
110,210,410: the second light-guide devices
113,213,413: display panel
114,214,414: collimating mirror
115,215,415,218,418: polar biased light optical splitter
117,217,417: the projection lens group
306: the three light-guide devices
307: the second smooth treatment elements
R: radius-of-curvature
S: cross section projection
D: diameter
Embodiment
＜optical fiber 〉
Fig. 1 to Fig. 3 illustrates the cut-open view of the optical fiber of embodiment.Please refer to Fig. 1.Optical fiber 10 has main body 11.The light that main body 11 has half spheroidal penetrates curved surface 12.Light penetrates curved surface 12 and can utilize the mode of arc discharge sintering to form.The diameter of main body 11 can be between between 0.1mm to 2mm.The center that light penetrates curved surface 12 can be in fact 0.05mm to 1mm towards the radius of curvature R of main body 11, can make from light and penetrate the light collimation very that curved surface 12 penetrates main body 11.For instance, penetrate from light the scope that is positioned at the cross section projection S of main body when light that curved surface 12 penetrates main bodys 11 is diameter D30 doubly the position of main body 11 in the path.
The difference of the optical fiber that the optical fiber that Fig. 2 illustrates and Fig. 1 illustrate is, it is the half elliptic face that the light of optical fiber 20 penetrates curved surface 22.The difference of the optical fiber that the optical fiber that Fig. 3 illustrates and Fig. 1 illustrate is, it is the parabolical face that the light of optical fiber 30 penetrates curved surface 32.Other parts are similar and repeat no more.
Because the optical fiber of embodiments of the invention can in order to penetrate the very light of collimation, therefore be applicable to various optical devices, to improve optical performance.In certain embodiments, the lens combination of optical fiber replace complex and cost costliness, so the structure of optical devices is more simple, cost is low.Below explain with the embodiment of fiber optic applications at projection arrangement.
＜projection arrangement 〉
Fig. 4 illustrates the schematic diagram of projection arrangement in an embodiment.Please refer to Fig. 4, projection arrangement comprises light source module 103, display panel 113, polar biased light optical splitter 115 and projection lens group 117.Light source module 103 comprises light-emitting component 105, the first light-guide device 108, the first smooth treatment element 109, the second light-guide device 110 and collimating mirror 114.
The first light-guide device 108 is sent to the first smooth treatment element 109 in order to the light that light-emitting component 105 is sent.The second light-guide device 110 receives the light that sends from the first smooth treatment element 109, and light is transmitted toward display panel 113.
Light-emitting component 105 comprises light emitting diode such as laser diode.In this embodiment, the light-emitting component 105 on monochromatic light road for example is super wideband white light source.The first smooth treatment element 109 comprises divided duplexing equipment, photo-coupler or light distributor.The first light-guide device 108 and the second light-guide device 110 comprise that respectively single-mode fiber, multimode optical fiber, fiber optic fibers, plastic, polarization keep optical fiber, crystal optical fibre or other suitable optical fiber.
In an embodiment, the second light-guide device 110 is by providing the irradiant optical fiber of collimation to be consisted of.Carefully, its diameter of the main body of the optical fiber of the second light-guide device 110 can be between between 0.1mm to 2mm.The curvature of centre radius that the light of main body penetrates curved surface can be in fact 0.05mm to 1mm.Light penetrates curved surface and can be semicircle spherical, half elliptic face or parabolical face, as shown in Figure 1 to Figure 3.In certain embodiments, the first light-guide device 108 also can use the similar above-mentioned irradiant optical fiber of collimation that can provide to consist of.
In this embodiment, display panel 113 is penetration liquid crystal panels.Polar biased light optical splitter 115 (polarization beam splitter, PBS) adjoins display panel 113, and passes display panel 113 and the light of ejaculation in order to receive from the second light-guide device 110 (or collimating mirror 114).The light that sees through 115 polarizations of polar biased light optical splitter is injected toward the projection lens group 117 of adjoining polar biased light optical splitter 115, and throws to form image by projection lens group 117.
Fig. 5 illustrates the schematic diagram of projection arrangement in an embodiment.The difference of the projection arrangement of Fig. 5 and the projection arrangement of Fig. 4 be in, display panel 213 is reflective display panel.Polar biased light optical splitter 215 adjoins the second light-guide device 210 (or collimating mirror 214), in order to receive the light that penetrates from the second light-guide device 210 (or collimating mirror 214) process display panel 213.The light that sees through 215 effects of polar biased light optical splitter is to inject toward polar biased light optical splitter 218.Be to inject toward projection lens group 217 via the light after 218 effects of polar biased light optical splitter, and throw to form image by projection lens group 217.
Fig. 6 illustrates the schematic diagram of projection arrangement in an embodiment.The difference of the projection arrangement of Fig. 6 and the projection arrangement of Fig. 4 is in the light emitting diode that comprises providing the light source of different colours in, light-emitting component 305, for example red laser diode of three light paths, green laser diode and blue laser diode.Light source module 303 also comprises the second smooth treatment element 307 and the 3rd light-guide device 306.The 3rd light-guide device 306 will be in order to will be sent to from the light that light-emitting component 305 sends the second smooth treatment element 307.The first light-guide device 308 will be in order to being sent to the first smooth treatment element 309 from the light that the second smooth treatment element 307 penetrates.The second smooth treatment element 307 comprises divided duplexing equipment, photo-coupler or light distributor.
The 3rd light-guide device 306 can comprise that single-mode fiber, multimode optical fiber, fiber optic fibers, plastic, polarization keep optical fiber, crystal optical fibre or other suitable optical fiber.The 3rd light-guide device 306 can be by providing the irradiant optical fiber of collimation to be consisted of.Carefully, its diameter of the main body of the optical fiber of the 3rd light-guide device 306 can be between between 0.1mm to 2mm.The curvature of centre radius that the light of main body penetrates curved surface can be in fact 0.05mm to 1mm.Light penetrates curved surface and can be semicircle spherical, half elliptic face or parabolical face, as shown in Figure 1 to Figure 3.
Fig. 7 illustrates the schematic diagram of projection arrangement in an embodiment.The difference of the projection arrangement of Fig. 7 and the projection arrangement of Fig. 6 be in, display panel 413 is reflective display panel.Polar biased light optical splitter 415 is to adjoin the second light-guide device 410 (or collimating mirror 414), in order to receive the light that penetrates from the second light-guide device 410 (or collimating mirror 414) process display panel 413.The light that sees through 415 effects of polar biased light optical splitter is to inject toward polar biased light optical splitter 418.Be to inject toward projection lens group 417 via the light after 418 effects of polar biased light optical splitter, and throw to form image by projection lens group 417.
The optical fiber of above-described embodiment can in order to penetrate the very light of collimation, therefore be applicable to various optical devices, to improve optical performance.In addition, optical fiber can substitute the lens combination of complexity in optical devices and cost costliness, so the structure of optical devices is more simple, cost is low.
Although disclosed the present invention in conjunction with above preferred embodiment; yet it is not to limit the present invention, anyly is familiar with this operator, without departing from the spirit and scope of the present invention; can do a little change and retouching, thus protection scope of the present invention should with enclose claim was defined is as the criterion.
Claims (11)
1. an optical fiber, have main body, and this main body has a light and penetrates curved surface, and wherein the center of this light ejaculation curved surface is in fact 0.05mm to 1mm towards the radius-of-curvature of this main body, makes the light that penetrates this main body from this light ejaculation curved surface be collimation.
2. optical fiber as claimed in claim 1, wherein to penetrate curved surface be semicircle spherical, half elliptic face or parabolical face to this light.
3. optical fiber as claimed in claim 1 wherein penetrates from this light this light that curved surface penetrates this main body and is positioned at the scope of the cross section projection of this main body in the path during for the position of 30 times of the diameters of this main body.
4. optical fiber as claimed in claim 1, wherein the diameter of this main body is between between 0.1mm to 2mm.
5. projection arrangement comprises:
Display panel; And
Light source module comprises:
Light-emitting component;
The first smooth treatment element comprises divided duplexing equipment, photo-coupler or light distributor;
The first light-guide device has relative a light receiving end and a light output end, and wherein this light receiving end is close to this light-emitting component, contiguous this first smooth treatment element of this light output end; And
The second light-guide device is by being consisted of as one of them described optical fiber of claim 1 to 4, and this second light-guide device receives the light that sends from this first light-guide device, and this light is sent to this light via this main body and penetrates curved surface and penetrate and provide to this display panel.
6. projection arrangement as claimed in claim 5, wherein this light source module also comprises:
The second smooth treatment element comprises divided duplexing equipment, photo-coupler or light distributor, and wherein this first light-guide device will be in order to being sent to this first smooth treatment element from the light that this second smooth treatment element penetrates; And
The 3rd light-guide device will be in order to will be sent to from the light that this light-emitting component sends this second smooth treatment element.
7. projection arrangement as claimed in claim 6, wherein this first light-guide device and this second light-guide device are respectively by being consisted of as one of them described optical fiber of claim 1 to 4.
8. projection arrangement as claimed in claim 5, wherein this light source module also comprises a collimating mirror, this light that is configured in this second light-guide device penetrates curved sides.
9. projection arrangement as claimed in claim 5, wherein this light-emitting component comprises light emitting diode.
10. projection arrangement as claimed in claim 5 also comprises:
Polar biased light optical splitter adjoins this display panel or this second light-guide device, to receive from the light of this display panel or the ejaculation of this second light-guide device; And
The projection lens group is adjoined this polar biased light optical splitter, and in order to the light of projection from this polar biased light optical splitter ejaculation, to form image.
11. projection arrangement as claimed in claim 5, wherein this display panel, comprise reflection type liquid crystal panel or penetration liquid crystal panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110405638XA CN103163586A (en) | 2011-12-08 | 2011-12-08 | Optical fiber and projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110405638XA CN103163586A (en) | 2011-12-08 | 2011-12-08 | Optical fiber and projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103163586A true CN103163586A (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110405638XA Pending CN103163586A (en) | 2011-12-08 | 2011-12-08 | Optical fiber and projector |
Country Status (1)
| Country | Link |
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| CN (1) | CN103163586A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1727939A (en) * | 2004-07-31 | 2006-02-01 | 鸿富锦精密工业（深圳）有限公司 | The optical fiber projector |
| CN1834709A (en) * | 2006-04-21 | 2006-09-20 | 中国科学院上海光学精密机械研究所 | High-power semiconductor laser array beam collimation system |
| CN101183041A (en) * | 2007-11-30 | 2008-05-21 | 上海微电子装备有限公司 | Interferometer and method of use thereof |
-
2011
- 2011-12-08 CN CN201110405638XA patent/CN103163586A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1727939A (en) * | 2004-07-31 | 2006-02-01 | 鸿富锦精密工业（深圳）有限公司 | The optical fiber projector |
| CN1834709A (en) * | 2006-04-21 | 2006-09-20 | 中国科学院上海光学精密机械研究所 | High-power semiconductor laser array beam collimation system |
| CN101183041A (en) * | 2007-11-30 | 2008-05-21 | 上海微电子装备有限公司 | Interferometer and method of use thereof |
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Application publication date: 20130619 |