CN100395655C - Color wheel module for digital light transmission processor - Google Patents
Color wheel module for digital light transmission processor Download PDFInfo
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- CN100395655C CN100395655C CNB2005101211195A CN200510121119A CN100395655C CN 100395655 C CN100395655 C CN 100395655C CN B2005101211195 A CNB2005101211195 A CN B2005101211195A CN 200510121119 A CN200510121119 A CN 200510121119A CN 100395655 C CN100395655 C CN 100395655C
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- inductor
- color
- motor
- light
- filter wheel
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Abstract
The present invention discloses a color wheel module for a digital code light transmission processor, which comprises a color-filter dish, a motor, a light stopping belt, an inductor and a signal interface. The present invention is characterized in that the inductor is fixed beside the motor by adopting a position adjustable way. Because the relative positions among the inductor, the light stopping belt and the color-filter dish are the important factors which can influence the display of colors, the positions of the light stopping belt and the color-filter dish are fixed correspondingly, the inductor can be fixed in the position adjustable way, and the inductor can carry out the relative adjustment of the positions within an allowable range. The present invention can adjust the colors of a DLP lightshow back projection to a state as ideal as possible in a simple adjusting way and low cost, and the problem of light color can be solved.
Description
[technical field]
The present invention relates to light display rear projector's technology, specifically relate to a kind of color block component that is used for digital light transmission processor.
[background technology]
Along with the continuous progress and development of science and technology, the display technique field is also become increasingly abundant colorful, from single the earliest traditional C RT display technique, develops into the prosperity situation of the common development such as CRT, LCD liquid crystal and PDP plasma of present digitizing, high-resolution.And DLP (Digital Light Processor, digital light transmission processor) appearance of technology, for having opened up brand-new thinking in the large screen display field,, become the new focus of the commercial applied research of family's TV and giant-screen just gradually based on light display rear projector's TV of DLP technology.
The DLP light display rear projector adopts DMD micromirror reflection technology, will be imaged on the surface of DMD through the coloured light after colour wheel separation and the processing, then on the giant-screen of the monochrome image projection of DMD after will modulating under the control of digital processing unit.In general, colour wheel is made up of red, green, blue, color separation filter such as white, the white light that sees through can be carried out color separation, and by high-speed motor driving rotation, order is told different coloured light and is projected on the DMD, and the vision system of human body is concentrated the information of each sprite and seen a full-color image.To the control of colour wheel rotation and with all being undertaken synchronously of DMD by digital processor controls.
At present, what have in model DLP light display rear projector of the same race is colored dim, what have is colored bright-coloured, most research staff thinks what many-sided error such as the material, bulb brightness, apparatus for lighting up power of colour wheel caused, but often can not bring the basic of problem to improve with consistent to the adjustment of above-mentioned factor.Through experimental studies have found that, above-mentioned in fact factor all is the aspect very little to light display rear projector's colored light problems affect.
[summary of the invention]
The object of the present invention is to provide a kind ofly increases manufacturing cost hardly, and can effectively improve the color block component of the colored light problem of DLP light display rear projector.
For achieving the above object, the technical solution adopted in the present invention is: a kind of color block component that is used for digital light transmission processor comprises color filter wheel, motor, resistance light belt, inductor, signaling interface; Described color filter wheel has a plurality of colour filter strips, and each colour filter strips can make the light of respective color pass through; Described driven by motor color filter wheel rotates around the axle center; Described resistance light belt is arranged on the motor, rotates synchronously with color filter wheel; Described inductor adopts the mode of adjustable positions to be fixed on by the motor, and when the resistance light belt turned to a certain position, inductor was responded to less than light signal; The resistance light belt rotation situation that described signaling interface is sensed described inductor sends to external signal processing apparatus, and described inductor adopts the mode of adjustable positions to fix, and above-mentioned color block component also comprises installing plate and location-plate; Described motor is installed on the installing plate, and described inductor is fixed on the location-plate; Described location-plate is fixed on the described installing plate by slotted eye, and described slotted eye has the size greater than other direction at least on a certain direction, makes the fixing position of location-plate to regulate in the scope that the slotted eye shape allows.
Preferably, described slotted eye is the bar shaped long slot bore, and the bearing of trend of described long slot bore is along the tangential direction of color filter wheel rotation.
Described color filter wheel can adopt such structure: comprise that at least one group is red, green, blue colour filter strips fan-shaped and that be arranged in order around circumference, the position that described resistance light belt is provided with corresponding to red color segment not with another side of green segment handing-over.
Preferably, described resistance light belt is the light absorbing medium sheet, is attached in the enclosure of motor.
The present invention adopts technique scheme, beneficial technical effects is: in conjunction with the labor of back as can be known, relative position between inductor, resistance light belt, the color filter wheel is the key factor that influences display color, because the position relative fixed of resistance light belt, color filter wheel, therefore adopt the mode stationary induction apparatus of adjustable positions, make inductor can carry out the relative adjustment of position in allowed limits, just can be with the simplest regulative mode and minimum cost, DLP light display rear projector's color is adjusted to possible perfect condition, solve colored light problem.In addition, adopt simple slotted eye fixed form, only need do very small change and just can realize the present invention, and regulative mode is effectively the simplest, is particularly preferred scheme therefore existing inductor mounting structure.
[description of drawings]
Also the present invention is described in further detail in conjunction with the accompanying drawings below by embodiment.
Fig. 1 (a) and (b) are that color block component of the present invention is seen structural representation in the past from different perspectives.
Fig. 2 is a pcb board synoptic diagram among Fig. 1.
[embodiment]
A kind of color block component that is used for digital light transmission processor, in conjunction with Fig. 1 and Fig. 2, comprise color filter wheel 1, motor (not drawing its enclosure 2 of only drawing among the figure in the drawings in detail), resistance light belt 3, inductor 4, signaling interface 5, installing plate 6, as the pcb board 7 of location-plate.
Motor is installed on the installing plate 6, and the rotating shaft of motor drives color filter wheel 1 and rotates around the axle center.Resistance light belt 3 is made by the light absorbing medium sheet, and general width is attached in the enclosure 2 of motor and rotates synchronously with color filter wheel 1 about 3.8mm.The position that resistance light belt 3 is provided with is corresponding to the position of red color segment on the color filter wheel 1 with blue section handing-over.
Be described in detail principle of the present invention below in conjunction with said structure: inductor 4 can be sensed the signal of light when color filter wheel 1 rotated, thus when motor forwards the position of resistance light belt 3 to inductor 4 inductions to put with this less than the signal of light be that reference recording makes a circle for revolving.MCU as external processor writes down the number of turns of rotation by resistance light belt 3, has promptly write down the number of turns of of all kinds section RGB rotation, and carries out synchronously and the foundation of optical modulation as control color filter wheel 1 and DMD with this.Therefore hinder the position of light belt 3, position, this position of three of sensor location of resistance light belt 3 corresponding RGB look sections should be certain, keep coordinating with algorithm routine in the MCU.When because assembling waits above-mentioned 3 of a variety of causes to produce and move, particularly inductor has produced with respect to resistance light belt 3 and has moved, and the light phenomenon of colour will occur.This all is made up of red-green-blue because of various colours, if the reference position of the RGB that inductor obtains has produced deviation, the feedback signal that MCU is received also produces deviation, and MCU carries out according to original program equally, has just produced colored light.Therefore inductor 4 is carried out the fixing of adjustable positions, when colored light problem takes place when, inductor 4 is transferred to a suitable position (can test while adjusting usually), make the reference position of the reaction RGB look section that the signal of feedback can be correct give MCU, thereby MCU is colored just bright-coloured according to the control that input signal adapts again.
By above-mentioned analysis as can be seen, adopt which type of concrete mounting structure to carry out the fixing restriction that does not constitute the present invention's realization of inductor, importantly the fixed form that is adopted can be regulated.Those that are included in the other field to be adopted carry out position adjustments and fixing methods, can reasonably be applied to the present invention, for example inductor directly or indirectly is fixed in helicitic texture axially, regulate position of inductor etc. by the turn screw thread.The foregoing description has only provided one can realize structure of the present invention with minimum change on the existing structure basis, be not construed as limiting the invention.
And because inductor mainly is the reference position of of all kinds section of reflection, therefore the sensitive direction of regulating is the tangential direction of color filter wheel rotation, so adopted bar shape trench hole in the direction in the foregoing description.According to the difference of different color filter wheel structures, the concrete position adjustments direction of inductor can determine that this is that those skilled in the art is known easily according to spirit of the present invention according to actual conditions.
In the present invention, employed color filter wheel also can be to have only one group of three primary colours look section except can adopting above-mentioned structure with two groups of three primary colours look sections, or the combination of some groups of three primary colours look sections and white look section.Because essence of the present invention is by regulating rotation situation, the especially variation between the look section of the reflection color filter wheel that signal that position of inductor makes that inductor senses can be strictly according to the facts.The color filter wheel of therefore concrete what structure of employing all can be determined according to operating position.
In addition, the resistance light belt also can adopt the method that the motor relevant position is brushed to the black light-absorbing district to obtain except using the light absorbing medium sheet.
Claims (4)
1. a color block component that is used for digital light transmission processor comprises color filter wheel, motor, resistance light belt, inductor, signaling interface;
Described color filter wheel has a plurality of colour filter strips, and each colour filter strips can make the light of respective color pass through;
Described driven by motor color filter wheel rotates around the axle center;
Described resistance light belt is arranged on the motor, rotates synchronously with color filter wheel;
Described inductor is fixed on by the motor, and when the resistance light belt turned to a certain position, inductor was responded to less than light signal;
The resistance light belt rotation situation that described signaling interface is sensed described inductor sends to external signal processing apparatus;
Described inductor adopts the mode of adjustable positions to fix, and described color block component also comprises installing plate and location-plate; Described motor is installed on the installing plate, and described inductor is fixed on the location-plate; Described location-plate is fixed on the described installing plate by slotted eye, and described slotted eye has the size greater than other direction at least on a certain direction, makes the fixing position of location-plate to regulate in the scope that the slotted eye shape allows.
2. the color block component that is used for digital light transmission processor according to claim 1 is characterized in that: described slotted eye is the bar shaped long slot bore, and the bearing of trend of described long slot bore is along the tangential direction of color filter wheel rotation.
3. the color block component that is used for digital light transmission processor according to claim 1 and 2, it is characterized in that: described color filter wheel comprises that at least one group is red, green, blue colour filter strips fan-shaped and that be arranged in order around circumference, the position that described resistance light belt is provided with corresponding to red color segment not with another side of green segment handing-over.
4. the color block component that is used for digital light transmission processor according to claim 3 is characterized in that: described resistance light belt is the light absorbing medium sheet, is attached in the enclosure of motor.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101211195A CN100395655C (en) | 2005-12-29 | 2005-12-29 | Color wheel module for digital light transmission processor |
| HK07101835A HK1094819A1 (en) | 2005-12-29 | 2007-02-15 | Color wheel assembly for digital light processor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101211195A CN100395655C (en) | 2005-12-29 | 2005-12-29 | Color wheel module for digital light transmission processor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1821863A CN1821863A (en) | 2006-08-23 |
| CN100395655C true CN100395655C (en) | 2008-06-18 |
Family
ID=36923301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101211195A Expired - Fee Related CN100395655C (en) | 2005-12-29 | 2005-12-29 | Color wheel module for digital light transmission processor |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN100395655C (en) |
| HK (1) | HK1094819A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103383518A (en) * | 2012-05-04 | 2013-11-06 | 宝镇光电科技股份有限公司 | Image direct output device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001337390A (en) * | 2000-05-25 | 2001-12-07 | Matsushita Electric Ind Co Ltd | Color wheel and color sequential color display device using the same |
| US20020093477A1 (en) * | 1995-01-31 | 2002-07-18 | Wood Lawson A. | Display apparatus and method |
| CN1655625A (en) * | 2004-02-12 | 2005-08-17 | Lg电子株式会社 | Apparatus and method for correcting color error |
-
2005
- 2005-12-29 CN CNB2005101211195A patent/CN100395655C/en not_active Expired - Fee Related
-
2007
- 2007-02-15 HK HK07101835A patent/HK1094819A1/en not_active IP Right Cessation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020093477A1 (en) * | 1995-01-31 | 2002-07-18 | Wood Lawson A. | Display apparatus and method |
| JP2001337390A (en) * | 2000-05-25 | 2001-12-07 | Matsushita Electric Ind Co Ltd | Color wheel and color sequential color display device using the same |
| CN1655625A (en) * | 2004-02-12 | 2005-08-17 | Lg电子株式会社 | Apparatus and method for correcting color error |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1821863A (en) | 2006-08-23 |
| HK1094819A1 (en) | 2007-04-13 |
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