CN1704794A - Rotary reflection surface optical scanning display mode - Google Patents
Rotary reflection surface optical scanning display mode Download PDFInfo
- Publication number
- CN1704794A CN1704794A CN 200410037103 CN200410037103A CN1704794A CN 1704794 A CN1704794 A CN 1704794A CN 200410037103 CN200410037103 CN 200410037103 CN 200410037103 A CN200410037103 A CN 200410037103A CN 1704794 A CN1704794 A CN 1704794A
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- China
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- display mode
- screen
- optical scanning
- rotary reflection
- scanning display
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Abstract
This invention relates to a display method for realizing line-field scan on the screen directly with signal beams, in which, red, green and blue three original color signal beams radiate on two rotating reflecting curved faces orderly in a proper angle to generate a line scan reflex face and a field scan reflex face. The signal beam having passed through two times of reflection face realizes line-field scan on the screen and displayed due to the curved face property of the reflecting face. The display mode can replace any indicators or projectors.
Description
Affiliated technical field
The present invention is mainly used in the display monitor central monitoring system of TV, computer and various display systems thereof, suitable especially large screen display.
Background technology
At present, the demonstration of known TV, computer mainly is to be finished by cathode ray tube (CRT), liquid crystal (LCD) and projector (special occasions), and the display size of other any display all is changeless except projector, the restriction when being made.Though projector does not have the shortcoming of this respect, principle complexity, cost height, brightness and sharpness are also undesirable.
Summary of the invention
For the display size that overcomes existing cathode ray tube (CRT), liquid crystal (LCD) display immobilizes and principle complexity, the cost height of projector, also unfavorable these deficiencies of brightness and sharpness, the invention provides-kind of rotary reflection face optical scanning display mode, the characteristics of this scanning display mode are: high brightness, clear picture (the desirable continuous pixel of line scanning), stable, almost can compare with film; Need not focusing, no matter how far image clearly always can be from different directions directive screen arbitrarily apart from screen, and is and nonessential over against screen.Simple, the novel structure of principle, few, the easy manufacturing of parts, cost are low, and easy care, failure rate are low.Electromagnetic-radiation-free in the course of the work, little power consumption.
The technical solution adopted for the present invention to solve the technical problems is: the Red Green Blue signal beams shines on the reflective surface of two rotations successively with suitable angle, one is the reflective surface that produces line scanning, and another is the reflective surface that produces field scan.Because the curved surface characteristic of reflective surface, make and directly on screen, realized row, field scan through the signal beams behind two secondary reflections and video picture.
The invention has the beneficial effects as follows, can replace various displays, projector.Realize large tracts of land, high brightness, clear video picture.The light that film is invested the picture of screen is mean allocation, and this scanning display mode is to finish each line scanning of one with hot spot to realize that the power ratio projector of this scanning display mode light source is little like this.Volume is little, in light weight, conveniently moving.Since can be from different directions directive screen arbitrarily, and nonessential over against screen, applicable to any space of different occasions.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Accompanying drawing only is the schematic diagram and the scanning imagery light path synoptic diagram of a preferred embodiment of this display mode.
1. Red Green Blue signal optical sources among the figure, 2. red, green, blue three printing opacity liquid crystal boards, 3. light converges convex lens, 4. line scanning surfaces of revolution mirror (the face mirror number is not here represented actual value), 5. field scan surfaces of revolution mirror (the face mirror number is not here represented actual value), 6. scan orthopedic lens, 7 screens.
Embodiment
In the drawings, Red Green Blue signal optical source 1, the line scanning generation dish 4 (abbreviation rotating disk) that is rotating with fixing direction directive, produce the signal beams of line scanning, bucket 5 (abbreviation turning barrels) take place in the field scan that reflection back directive is rotating, and screen 7 (can certainly first directive turning barrel 5, back directive rotating disk 4) is invested in the back that is reflected again.Because the curved surface characteristic of reflective surface makes and is directly realized row, field scan through the signal beams behind two secondary reflections on screen.Shine so just can reach on the screen 7 and wanted the purpose of shows signal.Between signal optical source and line scanning generation rotating disk, add red, green, blue three printing opacity liquid crystal boards 2, three liquid crystal board in-lines (or isosceles triangle) and be emitted in the same plane, be connected as a single entity with light source 1 and form the colour signal light-beam generator perpendicular to the light path axis.Signal voltage and blanking voltage are controlled light source 1 and liquid crystal board 2 simultaneously, can obtain Cui effect.
Rotating disc 4 is a regular prism, and the offside reflection minute surface is made up of duplicate a plurality of rectangle facet mirrors.Incident ray shines the middle part of mirror surface all the time with fixing direction, because the rotation launching spot of disc streaks a straight line on the facet mirror, so the inswept fan-shaped plan of reflection ray.Two kinds of special circumstances are arranged.The one, incident ray and disk middle spindle have a certain degree in same plane, and the 2nd, in being parallel to the rotating disk mid-plane at the 4 upper and lower ends, become different surface beeline incident with axle.The reflective mirror of turning barrel 5 also is made up of duplicate a plurality of rectangle facet mirrors, the rotating speed of turning barrel 5 is lower than rotating disk 4, and a plurality of rectangle facet mirror numbers of turning barrel 5 are lacked than the number of a plurality of rectangle facet mirrors of rotating disk 4 offside reflection minute surfaces.Two kinds of situations are also arranged, the one, make the axis of being crossed turning barrel 5 by the inswept sector of rotating disk 4 reflection back light, the 2nd, the axis of turning barrel 5 is parallel to by the inswept sector of rotating disk 4 reflection back light, but the sector axis of turning barrel 5 only.
Below only describe with regard to one of them preferred embodiment:
Signal voltage and blanking voltage are controlled light source and liquid crystal board simultaneously, make the light that sent by three light sources 1 of red, green, blue become the three beams flashlight when the red, green, blue three printing opacity liquid crystal boards 2 by correspondence, this three beams flashlight merges into a branch of tricolor signal light by convex lens 3 once more.Flashlight is parallel to upper and lower bottom surface and becomes different surface beeline incident with the disc axle in the disc centre at the 4 upper and lower ends, and along with the uniform rotation of rotating disk 4, the normal direction at launching spot place is also done uniform rotation, and reflected light rotates an inswept sector with even angle rate.This sector is pure flat.
Reflected the axis that light inswept sector in back is crossed turning barrel 5 by rotating disk 4, can only side be injected by turning barrel 5 directions, the light after being reflected again all is partial to an end of turning barrel 5 axis, and purpose is in order not stopped by rotating disk 4 by turning barrel 5 light reflected.Because the rotation of disc 4, incidence point are moved in the position of the facet mirror of dish, normal direction also changes, reflection ray forms line scanning with regard to an inswept sector.Whenever move past a facet mirror and all can repeat once, the hot spot that makes reflected light throw on the turning barrel 5 facet mirrors forms one section horizontal brightness, and the speed difference of hot spot each point on this section horizontal brightness but in a straight line.Hot spot on the turning barrel 5 facet mirrors is by becoming greatly (can not have first big after smallly to become big intermediate state again, otherwise the former road of light being returned) near an end of rotating disk 4 gradually to the other end speed away from rotating disk 4.
Incident ray is rotating disk 4 central shafts only, hot spot on dish facet mirror by an end in other end moving process away from (or approaching) rotating shaft (depend on and turn to), uniform rotation along with rotating disk 4, the normal rotational angular at incidence point place is constant, this is because the normal of any point is all parallel on the level crossing, this does not move with incidence point and is that simple normal rotates and compares only corresponding reflection ray and done small translation, this small translation makes the above-mentioned speed of throwing into the hot spot on the bucket 5 facet mirrors obtain small compensation again, more or less is tending towards linear uniform motion.But this is far from being enough, and the way of available installation correcting lens solves.
The same with the situation of above line, because rotation, the incidence point of bucket 5 are moved in the position of the outer wall facet mirror of turning barrel 5, normal direction also changes, reflection ray just forms field scan at the inswept once more sector of vertical direction.Hot spot on screen 7 from moving left to bottom right, the scanning of delegation of delegation, this inclination is very small certainly, turning barrel 5 revolutions are crossed a facet mirror all can repeat one, has just swept a screen.The rotating speed of turning barrel 5 should be uniform, the normal direction at launching spot place is also done uniform rotation on turning barrel 5 facet mirrors like this, but the normal rotational angular is constant, this is because the normal of any point is all parallel on the level crossing, reflection ray rotates at the vertical direction even angle rate and realizes field scan, can throw into hot spot on the screen 7 except slightly different with the size of light and the friction speed of screen 7 in the vertical direction vertical extent, also there is fine difference in direction, and this is to produce away from rotating shaft when comparing at the center owing to hot spot at the rib place on facet mirror both sides.
Do not move with incidence point and be that simple normal rotates and compares, corresponding reflection ray has been done small translation.It is not to be pure flat that this small translation meeting makes the inswept sector of light that is reflected by turning barrel 5, but covering of the fan is curled to the direction away from the turning barrel axle to both sides by the centre, make the vertical curve thrown on the screen 7 slightly bending and camber, degree of crook becomes greatly (being inversely proportional to the angle of incident ray with barrel central shaft) by the end near rotating disk 4 gradually to the other end away from rotating disk 4.But this bending makes the size of linear velocity of hot spot in the vertical direction be tending towards even slightly.It is though the field scan hot spot is not proper linear uniform motion, can regular especially.Be easy to solve with the way that lens are installed.
Be not difficult to know row, small aberration arranged all but be easy to and correct by the analysis of front.Place the orthopedic lens 6 of scanning in the inboard of exit window, whether two surface one sides of lens are used for correcting the horizontal parallel sweep of hot spot is linear uniform motion, and whether another side is used for correcting vertical field scan is linear uniform motion.It is orthogonal that two surfaces mainly are rendered as the bus of cylinder and cylinder, and the translation of these lens and the image that rotates on the scalable screen are undistorted.
Can be by adjusting the relative position of lens 6, rotating disk 4, turning barrel 5 reverses simultaneously and equipment is inverted, or equipment side is stood up put, and realize from upper and lower, left and right, any direction trend of purchasing screens such as lower-left, upper right, upper left, bottom right rationally utilize the space.
The length of side of disc 4 prisms right central angle determined the line width on the screen, barrel-shaped prismatic 5 the length of side right central angle determined high, also relevant certainly on the screen with a row orthopedic lens, can select suitable the ratio of width to height like this.
If the rectangle facet mirror number of the reflective side of rotating disc 4 is A, the rectangle facet mirror number of turning barrel 5 is B, and line-scanning frequency is f
H, field-scanning period is f
C, the rotational speed omega of line scanning rotating disc
A, the rotational speed omega of field scan rotary barrel
BThen have following relation of plane to set up:
Rotating disc 4 turns over a rectangle facet mirror and sweeps delegation, and turning barrel 5 turns over a facet mirror and sweeps one.Satisfy
A*ω
A/B*ω
B＝f
H∶f
C。
Make f
H, f
CWith the aligned phase signal that will show, so just can reasonably determine the size and the rotating speed of dish and bucket.Motor speed is controlled by synchronizing signal.
If get A=50 ω
A=1 revolutions per second of clock B=625 ω
B=25 revolutions per seconds of clocks then can satisfy 50: 15625 field row ratio.
Line scanning generation dish 4 is integrated with synchronous motor, and it is integrated with synchronous motor that bucket 5 takes place in field scan.Two synchronous motors are external rotor permanent magnet iron, inner stator coil, so easy wiring.Produce rotating magnetic field with synchronizing signal, conveniently adjusted line frequency and field frequency.Make it to satisfy the row of the display of using now, the requirement of field scan, to finish the demonstration of unlike signal.
Package unit is enclosed in the cabinet, adds optical glass so that keep clean quiet in the case at the outgoing window of light beam.
Claims (5)
1. rotary reflection face optical scanning display mode, in cabinet shell, three colour signal light sources and three printing opacity LCD panel composition colour signal light-beam generators, light beams shine on the reflective surface of two rotations successively with suitable angle, by the direct scanning imaging on screen of orthopedic lens, it is characterized in that: signal beams shines on the rotary reflection minute surface directly this mechanical optics feature of scanned imagery on screen but not other electric light formula.
2. rotary reflection face optical scanning display mode according to claim 1 is characterized in that rotating disk and turning barrel might not non-ly be prismatic, and catoptron is also not necessarily non-to be level crossing, also not necessarily non-in the side.
3. rotary reflection face optical scanning display mode according to claim 1, it is characterized in that can be from the projection of different directions arbitrarily to screen, and nonessential over against screen.
4. rotary reflection face optical scanning display mode according to claim 1 is characterized in that and can edge-only place.
5. rotary reflection face optical scanning display mode according to claim 1 is characterized in that can accomplishing on the basis of original placement equipment to be inverted by the turning barrel rotating disk is reversed simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410037103 CN1704794A (en) | 2004-06-02 | 2004-06-02 | Rotary reflection surface optical scanning display mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410037103 CN1704794A (en) | 2004-06-02 | 2004-06-02 | Rotary reflection surface optical scanning display mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1704794A true CN1704794A (en) | 2005-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410037103 Pending CN1704794A (en) | 2004-06-02 | 2004-06-02 | Rotary reflection surface optical scanning display mode |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323211A (en) * | 2017-07-28 | 2019-02-12 | Zodiac航空电器 | Lighting system for aircraft |
| CN110365963A (en) * | 2019-07-26 | 2019-10-22 | 袁宁 | Specular light reflections video image playing device and playback method |
| CN110562653A (en) * | 2019-07-30 | 2019-12-13 | 国网浙江省电力有限公司嘉兴供电公司 | power transformation operation detection intelligent decision system and maintenance system based on ubiquitous power Internet of things |
| CN111474706A (en) * | 2020-05-13 | 2020-07-31 | 苏州路之遥科技股份有限公司 | Rotating curved surface reflection graph display method |
| CN111788513A (en) * | 2017-11-22 | 2020-10-16 | 傲科激光应用技术股份有限公司 | Electromagnetic radiation steering mechanism |
-
2004
- 2004-06-02 CN CN 200410037103 patent/CN1704794A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323211A (en) * | 2017-07-28 | 2019-02-12 | Zodiac航空电器 | Lighting system for aircraft |
| CN109323211B (en) * | 2017-07-28 | 2022-05-27 | 赛峰电子与国防舱方案公司 | Lighting system for an aircraft |
| CN111788513A (en) * | 2017-11-22 | 2020-10-16 | 傲科激光应用技术股份有限公司 | Electromagnetic radiation steering mechanism |
| CN111788513B (en) * | 2017-11-22 | 2023-12-05 | 傲科激光应用技术股份有限公司 | Electromagnetic radiation steering mechanism |
| CN110365963A (en) * | 2019-07-26 | 2019-10-22 | 袁宁 | Specular light reflections video image playing device and playback method |
| CN110562653A (en) * | 2019-07-30 | 2019-12-13 | 国网浙江省电力有限公司嘉兴供电公司 | power transformation operation detection intelligent decision system and maintenance system based on ubiquitous power Internet of things |
| CN111474706A (en) * | 2020-05-13 | 2020-07-31 | 苏州路之遥科技股份有限公司 | Rotating curved surface reflection graph display method |
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