CN100365506C - Back-projection optical-fiber screen display and its manufacturing method - Google Patents
Back-projection optical-fiber screen display and its manufacturing method Download PDFInfo
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- CN100365506C CN100365506C CNB2003101054087A CN200310105408A CN100365506C CN 100365506 C CN100365506 C CN 100365506C CN B2003101054087 A CNB2003101054087 A CN B2003101054087A CN 200310105408 A CN200310105408 A CN 200310105408A CN 100365506 C CN100365506 C CN 100365506C
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Abstract
The present invention relates to a display with a back projection optical fiber screen, which comprises a housing, a projector, a reflecting mirror, a circuit board and an accessory, wherein the screen made of optical fiber materials is installed on the housing, and the screen has the structure that plastic optical fibers are arranged into optical fiber post bodies in a softened state from 70 to 190 DEG C and glass optical fibers are arranged into optical fiber post bodies in a softened state from 600 to 1400 DEG C. Optical fibers are arranged in parallel and are tightly compressed, and cross sections of the optical fibers are changed into an adaptable shape from a circle. The optical fiber post bodies are cut into slices used as screen rough boards along a direction perpendicular to optical fiber axes, and optical fibers of the screen rough boards contact each other without gaps; the optical fiber screen is formed by processing surfaces of the screen rough boards.
Description
Technical field
The present invention relates to display, is a kind of back projection optical fibers screen display and preparation method thereof.
Background technology
Adopt light transmitting fiber to make screen, to make back projection fiber optics display, the screen test that this display performance is better than the back projection large-screen color TV of present widespread use, be arranged in by one group of cathode-ray tube display, the giant-screen of making by light emitting diode and the back projection curtain wall of making screen with Fresnel Lenses, but their deficiency is also apparent in view: the display of amplifying type rear projection screen, because after the amplification of the image of same pixel, the corresponding reduction of image definition is so image is coarse, smudgy when closely watching; Surface hot melten type rear projection screen display, because a large amount of fiber bundle are bundled into the fibre bundle rectangular parallelepiped, the reusable heat cutting method is cut into cross-sectional direction along optical fiber along the horizontal direction of optical fiber, be cut into screen board, the screen board periphery is established frame and is fixed, optical fiber liquid bonding when profile of optic fibre leans on hot melt, so can't guarantee fiber optics on the technology arranges parallel neat, the input end pixel is difficult to corresponding with the output terminal pixel, can't satisfy of the basic fundamental requirement of plane optical fiber layer screen to the parallel proper alignment of optical fiber, simultaneously, since have only the randomness bonding of section part between the optical fiber, the superficial density inequality, and screen lacks globality, bad mechanical strength, the display of this screen can not be used; Adhesive type rear projection screen display, owing to have a large amount of bubbles in the screen, screen quality is poor, simultaneously, also will cause in the screen stress to concentrate, screen is prone to dry and cracked phenomenon, makes defect rate higher, makes that the application of display is difficult to be realized etc.
Summary of the invention
The objective of the invention is, a kind of back projection optical fibers screen display and preparation method thereof is provided, it adopts fiber optics material screen, the performance of display is improved a lot than prior art, make it have that image aspects is big, brightness of image is high, screen intensity height, image connectivity are good, stereoscopic sensation reaches advantages such as price is low by force.
The present invention is in order to finish goal of the invention, provide following technical scheme: a kind of back projection optical fibers screen display, it has housing, projector, catoptron, circuit board and annex, screen is installed on the housing, screen is made by fiber optic materials, the structure of screen is at 70-190 ℃ with plastic optical fiber, glass optical fiber is arranged in the optical fiber cylinder under 600-1400 ℃ of soft state, be arranged in parallel between the optical fiber, tightly compacted, it is irregularly shaped that the optical fiber cross section becomes adaptivity by circle, is screen hair plates unit along fiber axis to vertical direction section back with the optical fiber cylinder, and each optical fiber cross section of screen hair plates is for the contact of no gap, to being optical fibers screen after the surface treatment of screen hair plates.Optical fibers screen can connect to various sizes with multi-disc optical fibers screen hair plates unit, carry out surface treatment after, make large-screen.Optical fibers screen can be a cylindricality cambered surface screen, that is: the optical fiber cylinder is trapezoidal, optical fiber horizontal direction in trapezoidal cylinder is fan-shaped array and parallel with surface level, arc tangent plane and optical fiber cylinder horizontal direction terrace cut slice obtain arc hair plates unit, obtain column type cambered surface screen after one group of arc hair plates cell surface processing is connected.Optical fibers screen can be a folding face screen, is about to one group of adjacent screen and connects into the folding face, and two planes are greater than or less than 180 degree, are folding face screen.A kind of method of making display of the present invention, the housing of display, projector, catoptron, circuit board and annex adopt universal method to make, optical fibers screen adopts fiber optic materials to make, with plastic optical fiber at 70-190 ℃, the optical fiber of glass optical fiber under 600-1400 ℃ of soft state, being placed on the cross section is in the polygonal mould, mould is the top opening, optical fiber is parallel successively to be arranged, aspect is parallel with the mould openings face, each layer optical fiber parallel misalignment is placed, the dislocation distance is a fiber radius, adopts roller roll extrusion on last row's optical fiber, and pressure is 50-5000 gram/cm, roller radially parallel with the mould openings face, after the optical fiber cylinder reached required size, the plate of making even was pressed on the mould openings face, be placed into room temperature under the normal temperature after the demoulding be the optical fiber cylinder, the optical fiber cylinder is obtained the screen hair plates along fiber axis to terrace cut slice, after the hair plates surface treatment, promptly obtain optical fibers screen, with optical fibers screen, housing, projector, catoptron, circuit board and enclosure group are dressed up display.The cross sectional shape of mould is a regular polygon, and the length of side is 0.2-60 centimetre, and the length of mould is 50-500 centimetre.The cross sectional shape of mould is a rectangle, and length is 0.5-300 centimetre, and wide is 0.6-360 centimetre, and the length of mould is 50-500 centimetre.The horizontal cross sectional geometry of mould is trapezoidal, and the wide end is 3-30 centimetre, and the narrow end is 1-20 centimetre, and thick is 2-30 centimetre, and die length (height) is 10-200 centimetre.Interior angle of the trapezoidal narrow end of mould can be that 90 degree add the 0-6 degree.Adopt the shape of optical fiber cylinder of above-mentioned various different mold releasabilities identical with mold shape.
Optical fiber of the present invention when at its surface applied tackifier, can improve about the cohesive strength 10%-40% between the optical fiber.
The present invention draws following advantage through repetition test: can produce rear-projection optical fibers screen display on the cheaper level of price, for example: back projection colour TV, back projection TV wall, comprise the flat-screen televisions wall, folding face screen television wall and curve screens video wall etc.The visible angle of display of the present invention is extended to the 160-180 degree by present 100-130 degree, the above-below direction visible angle expands the 160-180 degree to by the 50-90 degree, the display that adopts the inventive method to make, can make the giant display of arbitrary dimension, image lightness height, clear picture, screen intensity height, the image continuity is good, stereoscopic sensation is strong etc.
Description of drawings
Accompanying drawing 1 is the rough schematic view of display of the present invention.1 is optical fibers screen, the 2nd shown in the figure, housing, the 3rd, and catoptron, the 4th, projector, the 5th, circuit board is because the general-purpose accessory of display is known technology, so do not mark on figure.Accompanying drawing 2 is that enlarged diagram is looked local on the left side of optical fibers screen 1 in the accompanying drawing 1, mainly illustrates optical fiber cylinder monomer of the present invention to make the structure of screen, and every optical fiber is irregularly shaped.Accompanying drawing 3 is that enlarged diagram is looked local on the left side of optical fibers screen 1 in the accompanying drawing 1, the screen that main signal is connected into by a plurality of optical fiber cylinders of the present invention, and every optical fiber cross section is irregularly shaped, and every optical fiber cylinder body section is hexagon.
Embodiment
Display of the present invention, by housing 2, screen 1, projector 4, catoptron 3, circuit board 5 and annex are formed, screen 1 is by optical fiber fabrication, the structure of optical fibers screen be with plastic optical fiber in 70-190 ℃ of scope, for example at 70 ℃, 85 ℃, 110 ℃, 125 ℃, multiple different temperatures such as 158 ℃ or 190 ℃ or with glass optical fiber in 700-1400 ℃ of scope, for example at 600 ℃, 700 ℃, 860 ℃, 980 ℃, 1200 ℃, be arranged in the optical fiber cylinder under the various different temperatures soft states such as 1400 ℃, be arranged in parallel between the optical fiber, after tightly compacted, the optical fiber cross section becomes the adaptivity shape by circle, the optical fiber cylinder is the screen hair plates along fiber axis after the vertical direction section, each optical fiber of screen hair plates is for the contact of no gap, to being optical fibers screen after the surface treatment of screen hair plates.The optical fibers screen of display of the present invention can connect into arbitrary dimension as required, make the large-screen display, optical fibers screen can be plane, also can be to be the cylindricality cambered surface, that is: the optical fiber cylinder is trapezoidal, optical fiber horizontal direction in trapezoidal cylinder is fan-shaped array and parallel with surface level, and arc tangent plane and optical fiber cylinder horizontal direction terrace cut slice obtain arc hair plates unit, obtains column type cambered surface screen after one group of arc hair plates cell surface processing is connected.Optical fibers screen can also be a folding face screen, is about to one group of adjacent screen and connects into the folding face, and two planes are greater than or less than 180 degree, are folding face screen.The method for making of display of the present invention, the housing of display, projector, catoptron, circuit board and annex adopt general known method to make, optical fibers screen adopts fiber optic materials to make, with plastic optical fiber at 70-190 ℃, the optical fiber of glass optical fiber under 600-1400 ℃ of soft state, get (70-190 ℃, arbitrary temperature in 600-1400 ℃ of scope all can), being placed on the cross section is in the polygonal mould, mould is the top opening, optical fiber is parallel successively to be arranged, aspect is parallel with the mould openings face, each layer optical fiber parallel misalignment is placed, the dislocation distance is a fiber radius, adopt roller roll extrusion on last row's optical fiber, pressure is 50-5000 gram/cm, in pressure limit, when pressure is low, can increase the roll extrusion time, roller radially parallel with the mould openings face, after reaching optical fiber cylinder required size, the plate of making even is pressed on the mould openings face, be placed into room temperature under the normal temperature after the demoulding be the optical fiber cylinder, the optical fiber cylinder is obtained the screen hair plates along fiber axis to terrace cut slice, after the hair plates surface treatment, promptly obtain optical fibers screen, with optical fibers screen, housing, projector, catoptron, circuit board and annex are assembled into display according to known technology.When the cross sectional shape of the described mould of the inventive method was regular polygon, the length of side was 0.2-60 centimetre, and the length of mould is 50-500 centimetre.When the cross sectional shape of mould was rectangle, length was 0.5-300 centimetre, and wide is 0.6-360 centimetre, and the length of mould is 50-500 centimetre.When the horizontal cross sectional geometry of mould was isosceles trapezoid, the wide end was 3-30 centimetre, and the narrow end is 1-20 centimetre, and thick is 2-30 centimetre, and die length (height) is 10-200 centimetre, and interior angle of the trapezoidal narrow end of mould can be that 90 degree add the 0-6 degree.Mold shape of the present invention can the demoulding one-tenth optical fiber cylinder identical with mold shape.Cross section of the present invention is polygonal mould, and its hexagon effect is better.
Claims (6)
1. back projection optical fibers screen display, it has housing, projector, catoptron, circuit board and annex, it is characterized in that: screen is installed on the housing, screen is made by fiber optic materials, the structure of screen is at 70-190 ℃ with plastic optical fiber, glass optical fiber is arranged in the optical fiber cylinder under 600-1400 ℃ of soft state, be arranged in parallel between the optical fiber, tightly compacted, the optical fiber cross section becomes the adaptivity shape by circle, is screen hair plates along fiber axis to vertical direction section back with the optical fiber cylinder, each optical fiber of screen hair plates is for the contact of no gap, to being optical fibers screen after the surface treatment of screen hair plates; Optical fibers screen can connect to various sizes with multi-disc optical fibers screen hair plates, carry out surface treatment after, make large-screen; Optical fibers screen can be a cylindricality cambered surface screen, that is: the optical fiber cylinder is trapezoidal, optical fiber horizontal direction in trapezoidal cylinder is fan-shaped array and parallel with surface level, arc tangent plane and optical fiber cylinder horizontal direction terrace cut slice obtain arc hair plates unit, obtain column type cambered surface screen after one group of arc hair plates cell surface processing is connected; Optical fibers screen can be a folding face screen, is about to one group of adjacent screen and connects into the folding face, and two planes are greater than or less than 180 degree, are folding face screen.
2. the method for making of the described display of claim 1, housing, projector, catoptron, circuit board and annex adopt universal method to make, it is characterized in that: optical fibers screen adopts fiber optic materials to make, with plastic optical fiber at 70-190 ℃, the optical fiber of glass optical fiber under 600-1400 ℃ of soft state, being placed on the cross section is in the polygonal mould, mould is the top opening, optical fiber is parallel successively to be arranged, aspect is parallel with the mould openings face, each layer optical fiber parallel misalignment is placed, the dislocation distance is a fiber radius, adopts roller roll extrusion on last row's optical fiber, and pressure is 50-5000 gram/cm, roller radially parallel with the mould openings face, after reaching optical fiber cylinder required size, the plate of making even is pressed on the mould openings face, be placed into room temperature under the normal temperature after the demoulding be the optical fiber cylinder, the optical fiber cylinder is obtained the screen hair plates along fiber axis to terrace cut slice, after the surface treatment of screen hair plates, promptly obtain optical fibers screen, with optical fibers screen, housing, projector, catoptron, circuit board and enclosure group are dressed up display.
3. the method for making of display according to claim 2, it is characterized in that: the cross sectional shape of mould is a regular polygon, and the length of side is 0.2-60 centimetre, and the length of mould is 50-500 centimetre.
4. the method for making of display according to claim 2, it is characterized in that: the cross sectional shape of mould is a rectangle, longly is 0.5-300 centimetre, and wide is 0.6-360 centimetre, and the length of mould is 50-500 centimetre.
5. the method for making of display according to claim 2, it is characterized in that: the horizontal cross sectional geometry of mould is trapezoidal, and the wide end is 3-30 centimetre, and the narrow end is 1-20 centimetre, and thick is 2-30 centimetre, die length (height) is 10-200 centimetre.
6. the method for making of display according to claim 5 is characterized in that: interior angle of the trapezoidal narrow end of mould can be that 90 degree add the 0-6 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101054087A CN100365506C (en) | 2003-10-10 | 2003-10-10 | Back-projection optical-fiber screen display and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101054087A CN100365506C (en) | 2003-10-10 | 2003-10-10 | Back-projection optical-fiber screen display and its manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1529205A CN1529205A (en) | 2004-09-15 |
| CN100365506C true CN100365506C (en) | 2008-01-30 |
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| CNB2003101054087A Expired - Fee Related CN100365506C (en) | 2003-10-10 | 2003-10-10 | Back-projection optical-fiber screen display and its manufacturing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113589548A (en) * | 2021-07-28 | 2021-11-02 | 深圳臻像科技有限公司 | Planar transmission type 3D light field display system based on projection array |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04204688A (en) * | 1990-11-30 | 1992-07-27 | Fujitsu Ltd | Display device using optical fiber |
| JPH0720324A (en) * | 1993-07-01 | 1995-01-24 | Adachi Shin Sangyo Kk | Image display plate |
| JP2001159716A (en) * | 1999-12-03 | 2001-06-12 | Matsushita Electric Ind Co Ltd | Method of producing optical fiber array and image sensor using the same |
| US20020168157A1 (en) * | 2000-12-14 | 2002-11-14 | Walker James K. | Method and apparatus for fabrication of plastic fiber optic block materials and large flat panel displays |
| US20030002832A1 (en) * | 2000-01-13 | 2003-01-02 | Lowry Brian C. | Optical display apparatus |
-
2003
- 2003-10-10 CN CNB2003101054087A patent/CN100365506C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04204688A (en) * | 1990-11-30 | 1992-07-27 | Fujitsu Ltd | Display device using optical fiber |
| JPH0720324A (en) * | 1993-07-01 | 1995-01-24 | Adachi Shin Sangyo Kk | Image display plate |
| JP2001159716A (en) * | 1999-12-03 | 2001-06-12 | Matsushita Electric Ind Co Ltd | Method of producing optical fiber array and image sensor using the same |
| US20030002832A1 (en) * | 2000-01-13 | 2003-01-02 | Lowry Brian C. | Optical display apparatus |
| US20020168157A1 (en) * | 2000-12-14 | 2002-11-14 | Walker James K. | Method and apparatus for fabrication of plastic fiber optic block materials and large flat panel displays |
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| CN1529205A (en) | 2004-09-15 |
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Granted publication date: 20080130 Termination date: 20091110 |