CN102129819A - Tilted fiber grating display screen realized by using optical fiber - Google Patents
Tilted fiber grating display screen realized by using optical fiber Download PDFInfo
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- CN102129819A CN102129819A CN 201110025645 CN201110025645A CN102129819A CN 102129819 A CN102129819 A CN 102129819A CN 201110025645 CN201110025645 CN 201110025645 CN 201110025645 A CN201110025645 A CN 201110025645A CN 102129819 A CN102129819 A CN 102129819A
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Abstract
The invention disclose a tilted fiber grating display screen realized by using an optical fiber, and relates to a display screen which is realized by using the optical fiber. The display screen is applied in the field of high-brightness, colored and high-resolution display and solves the problems of high cost, low resolution and low brightness in a conventional high-quality display screen. Optical signals of a signal laser source of a display screen structure are input from one end of a multimode optical fiber; each tilted fiber grating reflects an optical signal with a corresponding wavelength to the side surface of the optical fiber for outputting; N tilted fiber gratings reflect N optical signals with the corresponding wavelength, so that a display screen function of N pixel points is realized, wherein N is the number of the pixel points on the display screen and is an integer from 100 to 300,000,000; and the pixel points are arranged in an array of 10-30,000*10-10,000. A used laser is the laser which outputs N wavelengths; and the N wavelengths output by the laser correspond to the centre wavelength of the first to Nth tilted optical fibers one by one.
Description
Technical field
The present invention relates to a kind of fine grating display screen of realizing with optical fiber of skew ray.Be applied to require high brightness especially, colour, high resolving power shows the field.
Background technology
The effect of display screen is that the form of information with bitmap shown, and its appearance and development have been played irreplaceable effect to the propagation of information.Make a general survey of the development of display screen, display screen is shown to black and white bitmap and the color bitmap demonstration of high Islamic of today from simple numerical, and its application is greatly expansion also, and the ability to express of image also promotes greatly.
Nowadays the main flow display screen mostly is liquid crystal and light emitting diode, i.e. LCD and LED.LED colour mixture poor effect, the visual angle is little, has watched aberration about horizontal direction.Processing is complicated, and antistatic requirement is high.It is difficult that actual pixels resolution is accomplished more than 10000.LCD compares LED greater advantage, but its price is more expensive.Occurring a kind of in recent years is that the large display screen that main material is made emerges with the POF plastic optical fiber.Its principle of work is by the boundling end of projector to optical fiber, passes to screen by the conduction of optical fiber and gets on, and effect looks nice, and might replace the LED screen that widely uses now.But projector is depended in its resolution and brightness unduly, and the very difficult raising of large tracts of land display resolution, and cost is also very high.
Several problems that present display screen technology exists are: the cost of LCD is higher, and performance is not enough aspect high brightness; LED resolution is difficult to improve a lot; Newly appear at resolution and the brightness that so-called optical fibre display screen relies on projector and be difficult to effectively improve display effect.
Summary of the invention
Technical matters to be solved by this invention is, overcomes at present at high-quality display screen cost height, and resolution is low, and brightness is low.
The present invention solves the technical scheme of its technical matters:
A kind of fine grating display screen of realizing with optical fiber of skew ray comprises laser instrument, multimode optical fiber, be engraved in first on the multimode optical fiber to the light signal of the fine grating of N skew ray, laser instrument imports from multimode optical fiber.
The fine grating of skew ray is compared with the ordinary optic fibre grating, and difference is that the fine grating index of skew ray distributes with the optical fiber angle greater than 0 ° less than 90 °.
N is the quantity of pixels of display screen, and the integer of N=100～300000000 is arranged into 10～30000*10～10000 arrays;
Laser instrument is the laser instrument of N wavelength of output, and N wavelength of laser instrument output is corresponding one by one to the centre wavelength of the fine grating of N skew ray with first.
The covering external radius of multimode optical fiber is 60～500 microns, and the radius of fibre core is 5～300 microns;
The output wavelength scope of laser instrument is 390～770nm; Adjacent wavelength interval is 0.0000001～0.05nm.
First bandwidth to the fine grating of N skew ray is 0.0000001～0.05nm, and centre wavelength is 390～770nm.
The present invention compares the beneficial effect that is had with prior art:
Entire display screen adopts optical fiber as the main body display structure, and its cost greatly reduces.The pixel that every square metre of integrated 10000*10000 of the present invention is above, resolution greatly improves; Optical fibre display screen adopts the light source of laser instrument as flashlight, and the power of laser instrument is very big, will more powerfully be optically coupled into optical fiber, realizes high-power output, and brightness is guaranteed.Resolution and brightness can be improved along with the lifting of the manufacturing technology of optical fiber, grating, laser instrument.
Description of drawings
Fig. 1 is the fine grating display screen of skew ray that the monochrome of N realizes with optical fiber for pixel.
Fig. 2 is the fine grating display screen of skew ray that the 10*10 monochrome realizes with optical fiber.
Fig. 3 is the fine grating display screen of skew ray that the 100*100 monochrome realizes with optical fiber.
Fig. 4 is the fine grating display screen of skew ray that the 10000*10000 colour is realized with optical fiber.
Embodiment
Below in conjunction with accompanying drawing the present invention is further described.
Embodiment one
The fine grating display screen of realizing with optical fiber of skew ray comprises laser instrument 3, multimode optical fiber 2, be engraved in first on the multimode optical fiber 2 to the fine grating 11,12,13 of N skew ray ..., the light signal of 1N, laser instrument 3 is from multimode optical fiber 2 inputs, as shown in Figure 1.
The fine grating of skew ray is compared with the ordinary optic fibre grating, and difference is that the fine grating index of skew ray distributes with the optical fiber angle greater than 0 ° less than 90 °.
N is the quantity of pixels of display screen, and the integer of N=100～300000000 is arranged into 10～30000*10～10000 arrays;
The covering external radius of multimode optical fiber 2 is 60～500 microns, and the radius of fibre core is 5～300 microns;
The output wavelength scope of laser instrument 3 is 390～770nm; Adjacent wavelength interval is 0.0000001～0.05nm.
First to the fine grating 11,12,13 of N skew ray ..., the bandwidth of 1N is 0.0000001～0.05nm, centre wavelength is 390～770nm.
The principle of work of the fine grating of skew ray is a side that is reflected to multimode optical fiber 2 corresponding to the light signal of the fine grating centre wavelength of skew ray, forms pixel output, and the light signal of its commplementary wave length continues to transmit along multimode optical fiber 2.
Embodiment two
The fine grating display screen of realizing with optical fiber of skew ray comprises laser instrument 3, multimode optical fiber 2, be engraved in the fine grating 11,12,13 of the first to the 100 skew ray on the multimode optical fiber 2 ..., 1100, the light signal of laser instrument 3 is from multimode optical fiber 2 inputs, as shown in Figure 2.
The covering external radius of multimode optical fiber 2 is 60 microns, and the radius of fibre core is 5 microns.
The output wavelength scope of laser instrument 3 is 390～394.95nm; Adjacent wavelength interval is 0.05nm.
The fine grating 11,12,13 of the first to the 100 skew ray ..., 1100 bandwidth is 0.05nm, centre wavelength is 390～394.95nm.The signal light wavelength of fine grating 11 reflections of first skew ray is 390nm, the signal light wavelength of fine grating 12 reflections of second skew ray is 390.05nm, the signal light wavelength of fine grating 13 reflections of the 3rd skew ray is 390.10nm ..., the signal light wavelength of fine grating 1100 reflections of the 100 skew ray is 394.95nm.
The variation of the corresponding pixel of the light of each wavelength in the light signal of laser instrument 3 is by power control brightness.Though in the output signal optical wavelength difference of each single-mode fiber, because the signal light wavelength variation range is less, human eye can't be differentiated small like this color distinction, so realized the function of monochromatic light display screen in the present embodiment.
The quantity of pixels of display screen is 100 to be arranged into the 10*10 array, realizes the fine grating display screen of skew ray that monochromatic 10*10 realizes with optical fiber.
Embodiment three
The fine grating display screen of realizing with optical fiber of skew ray comprises laser instrument 3, multimode optical fiber 2, be engraved in the fine grating 11,12,13 of the first to the 10,000 skew ray on the multimode optical fiber 2 ..., 110000, the light signal of laser instrument 3 is from multimode optical fiber 2 inputs, as shown in Figure 3.
The covering external radius of multimode optical fiber 2 is 100 microns, and the radius of fibre core is 10 microns.
The output wavelength scope of laser instrument 3 is 720.005～770nm; Adjacent wavelength interval is 0.005nm.
The fine grating 11,12,13 of the first to the 10,000 skew ray ..., 110000 bandwidth is 0.005nm, the centre wavelength scope is 720.005～770nm.The signal light wavelength of fine grating 11 reflections of first skew ray is 720.005nm, the signal light wavelength of fine grating 12 reflections of second skew ray is 720.010nm, the signal light wavelength of fine grating 13 reflections of the 3rd skew ray is 720.015nm,, the signal light wavelength of fine grating 110000 reflections of the 10,000 skew ray is 770nm.
The quantity of pixels of display screen is 10000 to be arranged into the 100*100 array, realizes the fine grating display screen of skew ray that monochromatic 100*100 realizes with optical fiber.
Embodiment four
The fine grating display screen of realizing with optical fiber of skew ray comprises laser instrument 3, multimode optical fiber 2, be engraved in the fine grating 11,12,13 of the first to the 300,000,000 skew ray on the multimode optical fiber 2 ..., 1300000000, the light signal of laser instrument 3 is from multimode optical fiber 2 inputs, as shown in Figure 4.
The covering external radius of multimode optical fiber 2 is 500 microns, and the radius of fibre core is 300 microns.
The light signal of laser instrument 3 comprises three wave bands, blue wave band is 100,000,000 wavelength of 470nm to 479.9999999nm, and the wavelength interval is 0.0000001nm, and the centre wavelength of the fine grating 11 of first skew ray is 470nm, the fine grating of two skew rays of being separated by then increases progressively amplification 0.0000001nm successively; 100,000,000 wavelength of green light band 520nm to 529.9999999nm, the wavelength interval is 0.0000001nm, and the centre wavelength of second fine grating of skew ray is 520nm, and the fine grating of two skew rays of being separated by then increases progressively amplification 0.0000001nm successively; 100,000,000 wavelength of red spectral band 700nm to 709.9999999nm, the wavelength interval is 0.0000001nm, and the centre wavelength of the 3rd the fine grating of skew ray is 700nm, and the fine grating of two skew rays of being separated by then increases progressively amplification 0.0000001nm successively.
The fine grating 11,12,13 of the first to the 300,000,000 skew ray ..., 1300000000 bandwidth is 0.0000001nm, the centre wavelength scope is identical with the laser instrument wavelength band.
The quantity of pixels of display screen is 300000000 to be arranged into the 30000*10000 array, the fine grating of adjacent three skew rays reflects indigo plant, green, red respectively, and three coloured light that the power by each color of light in the control signal lasing light emitter can make the fine optical grating reflections of three adjacent skew rays go out are mixed into colorama.Output point is arranged in the array of 30000*10000, because per three adjacent output points constitute a colored output point, realizes that the colour of 10000*10000 shows.
Claims (4)
1. fine grating display screen of realizing with optical fiber of skew ray is characterized in that:
This display screen structure comprises laser instrument (3), multimode optical fiber (2), be engraved in first on the multimode optical fiber (2) to the fine grating of N skew ray (11,12,13 ..., 1N), the light signal of laser instrument (3) imports from multimode optical fiber (2);
N is the quantity of pixels of display screen, and the integer of N=100～300000000 is arranged into 10～30000*10～10000 arrays;
Laser instrument (3) is the laser instrument of N wavelength of output, N wavelength of laser instrument (3) output and first to N skew ray fibre grating (11,12,13 ..., 1N) centre wavelength correspondence one by one.
2. a kind of fine grating display screen of realizing with optical fiber of skew ray according to claim 1 is characterized in that:
The covering external radius of described multimode optical fiber (2) is 60～500 microns, and the radius of fibre core is 5～300 microns;
3. a kind of fine grating display screen of realizing with optical fiber of skew ray according to claim 1 is characterized in that:
The output wavelength scope of described laser instrument (3) is 390～770 nanometers; Adjacent wavelength interval is 0.0000001～0.05 nanometer.
4. a kind of fine grating display screen of realizing with optical fiber of skew ray according to claim 1 is characterized in that:
Described first to the fine grating of N skew ray (11,12,13 ..., 1N) bandwidth be 0.0000001～0.05 nanometer, centre wavelength is 390～770 nanometers.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100256457A CN102129819B (en) | 2011-01-24 | 2011-01-24 | Tilted fiber grating display screen realized by using optical fiber |
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| CN2011100256457A CN102129819B (en) | 2011-01-24 | 2011-01-24 | Tilted fiber grating display screen realized by using optical fiber |
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| CN102129819A true CN102129819A (en) | 2011-07-20 |
| CN102129819B CN102129819B (en) | 2012-05-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110618560A (en) * | 2019-09-25 | 2019-12-27 | 福州京东方光电科技有限公司 | Display device and display method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2068269U (en) * | 1990-07-13 | 1990-12-26 | 南京大学 | Optical fibre indicator |
| CN1306656A (en) * | 1998-06-02 | 2001-08-01 | 赖纳·拉格策 | Flat display screen |
| JP2002162524A (en) * | 2000-11-24 | 2002-06-07 | Dainippon Printing Co Ltd | Optical fiber having display function, and method for manufacturing the same |
| US6859572B2 (en) * | 2000-03-31 | 2005-02-22 | Sony Corporation | Photon operating device and photon operating method |
| US7369725B2 (en) * | 2005-09-15 | 2008-05-06 | Nec Corporation | Light source device and method for manufacturing the same, display device and method for manufacturing the same, and method for driving display device |
| US20090027587A1 (en) * | 2007-07-26 | 2009-01-29 | Tatsuo Itoh | Planar lighting device and liquid crystal display device using the same |
-
2011
- 2011-01-24 CN CN2011100256457A patent/CN102129819B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2068269U (en) * | 1990-07-13 | 1990-12-26 | 南京大学 | Optical fibre indicator |
| CN1306656A (en) * | 1998-06-02 | 2001-08-01 | 赖纳·拉格策 | Flat display screen |
| US6859572B2 (en) * | 2000-03-31 | 2005-02-22 | Sony Corporation | Photon operating device and photon operating method |
| JP2002162524A (en) * | 2000-11-24 | 2002-06-07 | Dainippon Printing Co Ltd | Optical fiber having display function, and method for manufacturing the same |
| US7369725B2 (en) * | 2005-09-15 | 2008-05-06 | Nec Corporation | Light source device and method for manufacturing the same, display device and method for manufacturing the same, and method for driving display device |
| US20090027587A1 (en) * | 2007-07-26 | 2009-01-29 | Tatsuo Itoh | Planar lighting device and liquid crystal display device using the same |
Non-Patent Citations (3)
| Title |
|---|
| 《OPTICS EXPRESS》 20110620 Christopher Holmes,et Planar waveguide tilted Bragg grating refractometer fabricated through physical micromachining and direct UV writing 12462-12468 1-4 第19卷, 第13期 * |
| 《物理》 19951231 沈树群,等 光纤点阵大屏幕显示 228-232 1-4 第24卷, 第4期 * |
| 《现代电子技术》 20081231 马明祥 光纤水下照明与字符显示系统的研制 191-193 1-4 , 第1期 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110618560A (en) * | 2019-09-25 | 2019-12-27 | 福州京东方光电科技有限公司 | Display device and display method |
| CN110618560B (en) * | 2019-09-25 | 2022-06-07 | 福州京东方光电科技有限公司 | Display device and display method |
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| CN102129819B (en) | 2012-05-30 |
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