CN2602388Y - High-definition ultra-large screen display system - Google Patents
High-definition ultra-large screen display system Download PDFInfo
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- CN2602388Y CN2602388Y CN 03239906 CN03239906U CN2602388Y CN 2602388 Y CN2602388 Y CN 2602388Y CN 03239906 CN03239906 CN 03239906 CN 03239906 U CN03239906 U CN 03239906U CN 2602388 Y CN2602388 Y CN 2602388Y
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Abstract
The utility model discloses a high definition jumbotron display system, comprising an image source device, a light leading medium transfer unit and a display screen. The input end of the light leading medium transfer unit is connected with the image source device and the output end is positioned at a proper place on the display screen; the light leading medium transfer unit comprises a plurality of light leading mediums which range as a rectangle shape; the end surfaces of the input ends of the light leading mediums are square and the output ends are back taper lens shaped; the output end of the light leading medium transfer unit is corresponding to the matrix ranging coordinate of the light leading mediums. The information of the image source can be decomposed into pixel points, then each pixel point is scanned to each optical fiber end surface of the light leading medium transfer unit optical fiber input end, and is transferred to the output end of the optical fiber so as to reappear the pixel point on the amplified screen. Adopting the technical proposal, the utility model can realize big area, high brightness and high definition jumbotron display with the advantages of clear image levels, vivid color, simple structure, convenient maintaining and low manufacturing cost.
Description
Technical field
The utility model relates to a kind of ultra-large screen display system, refers to a kind of high definition ultra-large screen display system of being made by light transmitting fiber especially.
Background technology
At present as the indoor and outdoor carrier that diffuses information---ultra-large screen display system has: cathode-ray tube (CRT) Projection Display (CRT), Plasma Display (PDP), back-projecting liquid crystal show (TFT-LCD), diode displaying (LED) and DLP technology and LCOS technology etc.What wherein can accomplish jumbotron demonstration (more than two square metres) mainly is dot matrix LEDs screen and video wall.And technology such as projector's demonstration, PDP are only applicable to the demonstration of indoor small size slightly.
But owing to the pixel of dot matrix LEDs screen is made up of single red, green, blue three-color light-emitting diode, so be difficult to abundant image level and the color that information reproduction itself is had.In addition, also there are a series of shortcomings such as volume is big, power consumption is high, cost is expensive, the life-span is short in it.
And video wall owing to there be cutting apart of display screen black surround, exist unsurmountable shortcoming from visual effect, thereby is not accepted by people.
The another kind of system that is fit to the jumbotron demonstration is the light-conductive media display system, for example Chinese patent CN1319829A, CN1226119, CN2121704; U.S. Pat 6418267 etc.This kind light medium display system is owing to adopt materials such as pliability, stability, weather resistance is good and short distance light conduction loss is little light transmitting fiber, optical waveguide material, have characteristics such as simple in structure, that cost is low, antijamming capability is strong, but also have problems such as picture is unintelligible, color is discontinuous.Use the light-conductive media display system of this class, the coupling of its image source and light-conductive media all adopts little image method.The information of being sent by image source enters the light-conductive media input end with the form of little image, propagates into light-conductive media output terminal, i.e. image display panel through light-conductive media.As Fig. 5, shown in Figure 6, little image is when light-conductive media is propagated, through total reflection many times, its coordinate setting meeting takes place significantly to change, this will cause the view picture picture to become unintelligible, and the linking of color becomes discontinuous, thereby destroy the clear reproduction of view picture picture.In addition, because the refractive index of light-conductive media fibre core is a homogeneous, the image that enters light-conductive media by different incidence angles will experience different light paths when propagating in light-conductive media, modal dispersion will make focusedimage in the light-conductive media output terminal out-focus that becomes, and cause clearly signal source becomes unintelligible after the light-conductive media transmission.
Summary of the invention
The purpose of this utility model provide a kind of large tracts of land, high brightness, the high definition ultra-large screen display system.
For achieving the above object, the utility model is taked following design proposal: a kind of high definition ultra-large screen display system, it is made up of image source equipment, light-conductive media transmission unit and display screen, the input end of light-conductive media transmission unit is connected with image source equipment, its output terminal places appropriate position on the display screen, and described light-conductive media transmission unit is formed by being arranged in rectangular some light-conductive medias; The input end end face of each light-conductive media is a square, and output terminal is the back taper lens shaped; The input end of light-conductive media transmission unit is consistent with output terminal light-conductive media arranged coordinate.
Because the utility model adopts said structure, can with the information decomposition of image source pixel, then with each pixel point by point scanning to each fiber end face of light-conductive media transmission unit optic fibre input end, through the output terminal that is transferred to optical fiber of optical fiber, thereby on the screen that amplifies, reproduce this pixel.
The utility model has the advantages that: image level is clear, in bright gay color; And it is simple in structure, easy to maintenance, cheap.
Description of drawings
Fig. 1 constitutes synoptic diagram for the utility model
Fig. 2 is the utility model light-conductive media input end array synoptic diagram
Fig. 3 is the utility model light-conductive media output terminal array synoptic diagram
Fig. 4 is the utility model light-conductive media output termination schematic appearance
The light-conductive media image transmission light path synoptic diagram (image inversion) that Fig. 5 uses for prior art
The light-conductive media image transmission light path synoptic diagram (modal dispersion) that Fig. 6 uses for prior art
Embodiment
As shown in Figure 1, a kind of high definition ultra-large screen display system of the utility model, it is made up of image source equipment 1, light-conductive media transmission unit 2 and display screen 3, and the input end 21 of light-conductive media transmission unit is connected with image source equipment 1, and its output terminal 22 places on the display screen 3.
Described light-conductive media transmission unit is formed by being arranged in rectangular some light-conductive medias, and the line number of matrix should be identical with the resolution of image source equipment with columns.
Each light-conductive media input end 21 is positive square form, and by special mould molding, each light-conductive media closely is arranged in matrix by anchor clamps, referring to Fig. 2.Light-conductive media input end incident end face can be coated with anti-reflection film and antireflection film.Because the input end of light-conductive media is a square, so be easy to be arranged in perfect array, can not take place because the input end arrangement is bad, the bundle point that resembles that is caused misplaces, can fully closely arrange owing to square simultaneously, thereby avoid the slit between light-conductive media to bring the incident light loss.Whole matrix is placed on the focus place of signal source (image source), and each the root light-conductive media in the matrix is corresponding one by one with the pixel of image source 1, guarantees the true reflection of every some pixel.
The light-conductive media array of light-conductive media transmission unit output terminal is consistent with the light-conductive media arrayed coordinate of input end, and each light-conductive media output terminal 22 termination is designed to back taper lens-type form, referring to Fig. 3, shown in Figure 4.Light-conductive media bright dipping termination (back taper lens) reasonable in design can obtain good visual angle (surpassing 60 ° visual angle) and picture of large image scale and show.
Described signal source (image source) can be the selected device of one of projector, slide projector, projector, LCD, computer display, cathode-ray tube (CRT), LASER Light Source etc.It is signal source that present embodiment is taked the projector of high brightness, and resolution is 1280 * 1024, with pixel point by point scanning at light-conductive media (optical fiber) input end, to obtain the image display system of large tracts of land, high brightness, high definition.
Described light-conductive media is one of PMMA plastics, PS plastics, glass, quartzy light-conductive media, and the light-conductive media size is identical with the Pixel Dimensions of focus place image source.
Described display screen 3 can be made into any form, such as planar shaped, semicircle, cylindrical, spherical.Also can be according to demand and the needs in place, be designed to irregularly shaped.
Characteristics of the present invention are that the information decomposition with signal source (image source) is a pixel, then with each pixel point by point scanning to each light-conductive media end face of light-conductive media input end, through the output terminal that is transferred to light-conductive media of light-conductive media, thereby on the screen that amplifies, reproduce this pixel.Owing to accomplish the corresponding one by one of pixel, so can obtain the reproduction of perfect figure picture at the enlarged image output terminal.The quantity of pixel is determined by signal source.And the energy loss of being shielded by the light conduction that light-conductive media (as light transmitting fiber) is made is very little, and the while can be controlled by the physical resolution of the screen of its making itself, can satisfy the requirement of projector's resolution fully.What every light-conductive media (as light transmitting fiber) transmitted all is the signal of a pixel, the defective of having avoided modal dispersion to bring, can carry out the perfection reduction to image well thus, light-conductive media reasonable in design (as light transmitting fiber) bright dipping termination can obtain good visual angle and picture of large image scale shows.
Principle of work of the present utility model: the high-brghtness picture images signal that is sent by signal source (projector) projects the light input end face of display screen (light transmitting fiber display board), " how much amplifications " through fibre-optic bundle, light output end face at the light transmitting fiber display board presents the large tracts of land demonstration, and " how much amplifications " is to rely on the geometry design of light transmitting fiber bright dipping termination to realize.Because output terminal is the back taper type, so obtain 100 output terminals that amplify by incident end face (being generally 1/100 area of output end face).Electric image signal is applied to by tft array on each pixel of LCD, and R, G, three LCD sub-pixs of B have realized light source is sent the modulation of light under the driving of different images electricity.After the focusing amplification through the place ahead lens combination, realized Projection Display.Regulate the focal length of lens, make the Pixel Dimensions of focus place picture rich in detail suitable, like this high brightness that sends by projector with light-conductive media input end (as light transmitting fiber) sectional dimension.The image of high definition, the conduction that just can pass through light-conductive media (as light transmitting fiber) matrix realizes good reproduction.The tft array technology of electric image signal is known technology morning, no longer describes in detail herein.The geometric configuration and the Pixel Dimensions of design light transmitting fiber bright dipping termination can be realized large tracts of land, high definition.High brightness shows.Signal source also can adopt the three primary colours power valve, becomes pixel by the drives modulation mixture of colours, after drives point by point scanning on the fiber array face of optic fibre input end.Fibre-optic output terminal is the back taper lens-type, and the light of termination outgoing is scattering state thus, not only each picture element signal has been realized amplification, has also improved the visual angle problem in showing simultaneously.The design of this geometric configuration of light-conductive media is one of main characteristic of the present invention.Select high brightness.The projector of short-focus lens its objective is the distance that shortens projector and light transmitting fiber matrix as image source, reduce energy loss simultaneously, but projector sends the numerical aperture requirement that the solid angle of light will satisfy light-conductive media.Total system is assembled into an organic whole, can realizes that the light transmitting fiber image of large tracts of land, high brightness, high definition shows.
Claims (6)
1, a kind of high definition ultra-large screen display system, it is made up of image source equipment, light-conductive media transmission unit and display screen, the input end of light-conductive media transmission unit is connected with image source equipment, its output terminal places appropriate position on the display screen, it is characterized in that: described light-conductive media transmission unit is formed by being arranged in rectangular some light-conductive medias; The input end end face of each light-conductive media is a square, and the output terminal termination is the back taper lens shaped; The input end of light-conductive media transmission unit is consistent with output terminal light-conductive media arranged coordinate, and the line number of light-conductive media transmission unit matrix is identical with the resolution of columns and image source equipment.
2, high definition ultra-large screen display system according to claim 1 is characterized in that: the matrix of the some light-conductive medias of described light-conductive media transmission unit input end is closely arranged by anchor clamps; Whole matrix is fixed on image source focus place, and each the root light-conductive media in the matrix is corresponding with the pixel of image source.
3, high definition ultra-large screen display system according to claim 1 is characterized in that: described light-conductive media input end incident end face is coated with anti-reflection film and antireflection film.
4, high definition ultra-large screen display system according to claim 1 is characterized in that: described image source equipment is one of projector, slide projector, projector, LCD, computer display, cathode-ray tube (CRT), LASER Light Source.
5, high definition ultra-large screen display system according to claim 1 is characterized in that: described light-conductive media is one of PMMA plastics, PS plastics, glass, quartzy light-conductive media, and the light-conductive media size is identical with the Pixel Dimensions of focus place image source.
6, high definition ultra-large screen display system according to claim 1 is characterized in that: it is one of plane, semicircle, cylinder, sphere that described display screen is made form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03239906 CN2602388Y (en) | 2003-03-03 | 2003-03-03 | High-definition ultra-large screen display system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03239906 CN2602388Y (en) | 2003-03-03 | 2003-03-03 | High-definition ultra-large screen display system |
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| CN2602388Y true CN2602388Y (en) | 2004-02-04 |
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| CN 03239906 Expired - Fee Related CN2602388Y (en) | 2003-03-03 | 2003-03-03 | High-definition ultra-large screen display system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104950513A (en) * | 2015-07-14 | 2015-09-30 | 武汉华星光电技术有限公司 | TFT-LCD (thin film transistor liquid crystal display) curved-surface display structure and display method |
| CN111239893A (en) * | 2020-02-11 | 2020-06-05 | 郑耀明 | Optical imaging system |
-
2003
- 2003-03-03 CN CN 03239906 patent/CN2602388Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104950513A (en) * | 2015-07-14 | 2015-09-30 | 武汉华星光电技术有限公司 | TFT-LCD (thin film transistor liquid crystal display) curved-surface display structure and display method |
| CN111239893A (en) * | 2020-02-11 | 2020-06-05 | 郑耀明 | Optical imaging system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |