CN107561839A - Colour wheel module - Google Patents
Colour wheel module Download PDFInfo
- Publication number
- CN107561839A CN107561839A CN201710902399.6A CN201710902399A CN107561839A CN 107561839 A CN107561839 A CN 107561839A CN 201710902399 A CN201710902399 A CN 201710902399A CN 107561839 A CN107561839 A CN 107561839A
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- light
- colour wheel
- minute surface
- module
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- 230000004888 barrier function Effects 0.000 claims abstract description 42
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 239000007787 solid Substances 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 239000000126 substance Substances 0.000 claims abstract description 10
- 230000003287 optical effect Effects 0.000 claims description 38
- 239000000428 dust Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 239000004809 Teflon Substances 0.000 claims description 6
- 229920006362 Teflon® Polymers 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 3
- 230000035515 penetration Effects 0.000 description 2
- 230000011514 reflex Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
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- Mechanical Light Control Or Optical Switches (AREA)
- Projection Apparatus (AREA)
Abstract
The present invention provides a kind of colour wheel module, and the colour wheel module includes colour wheel and detecting module.Detecting module includes light detecing element, light source, light sensing minute surface and barrier element.Detecting module causes from the detection light beam of light source directive colour wheel directive light sensing minute surface and the light detecing element that arrives after being reflected through colour wheel.Barrier element, which is arranged on light sensing minute surface and had, is avoided that the characteristic that the solid of environment and/or liquid substance attach.Whereby, the detecting accuracy of detecing element can be lifted.
Description
Technical field
The invention relates to a kind of colour wheel module, and in particular to detecting the detecting mould of colour wheel parameter
The colour wheel module of group.
Background technology
Projection arrangement includes numerical digit light processing (Digital Light Processing；DLP) types of devices, it uses number
Position micromirror device (Digital Micromirror Device；DMD micromirror reflection technology), and using colour wheel (Color
Wheel the separation and processing to color are completed).The white light that wherein light source is sent can be focused on by condenser lens by a high speed
On the colour wheel of revolution, and it is transmitted into after carrying out color separation by colour wheel on DMD surfaces, then DMD controls needs according to signal
The reflected beams of display are by the lens projects of projection arrangement to forming full-color image on big screen.
However, the parameter of colour wheel directly affects the color quality of imaging.If the parameter of colour wheel is undesirable, such as colour wheel
, will when the angle of optical filter and the relative position of the time tag of rotating shaft and optical filter have relatively large deviation relative to standard value
The color treatments of projection arrangement are directly affected, cause imaged color chaotic.
In consideration of it, it is necessary to provide a kind of detecting system that can detect colour wheel parameter.
The content of the invention
It is an object of the invention to provide a kind of colour wheel module, and it can accurately detect the deviation of relative incident light.
To reach above-mentioned purpose, colour wheel module provided by the invention, including：Colour wheel；And detecting module, including light detecting member
Part, light source, light sensing minute surface and barrier element, the detecting module passing through from the detection light beam of the light source directive colour wheel
The colour wheel reflection after the directive light sensing minute surface and the light detecing element that arrives, the barrier element are arranged on the light sensing minute surface simultaneously
The characteristic attached with the solid and/or liquid substance that are avoided that environment.
Preferably, the light detecing element includes the light sensing minute surface, the barrier element has bonding plane, the barrier element by
It is attached to by the bonding plane on the light sensing minute surface.
Preferably, the barrier element is the coating being coated on the light sensing minute surface.
Preferably, the material of the barrier element includes Teflon.
Preferably, the detecting module also includes circuit board, wherein the light detecing element includes the light sensing minute surface and configured
On the board, the barrier element is extended on the circuit board from the light sensing minute surface of the light detecing element.
Preferably, the colour wheel includes colored filter, the detecting module causes from the light source directive colored filter
The detection light beam is in directive barrier element after colored filter reflection and arrive the light sensing minute surface and the light detecing element.
Preferably, the colour wheel includes the optical filter that is connected and rotating shaft, the detecting module causes from the light source directive coloured silk
The detection light beam of colo(u)r filter in directive barrier element after rotating shaft reflection and arrive the light sensing minute surface and the light are detected
Element.
Preferably, the rotating shaft has time tag and side wall, the time tag is set on the side wall.
To reach above-mentioned purpose, the present invention separately provides a kind of colour wheel module, including：Colour wheel；And module is detected, including light is detectd
Survey element, light source and the non-sticky element of dust, the non-sticky element of the dust to be arranged on the incidence surface of the light detecing element, the detecting
Module cause from the detection light beam of the light source directive colour wheel after colour wheel reflection this of the directive light detecing element enter light
Face and enter the light detecing element, the light detecing element judges the rotation status of the colour wheel according to the detection light beam of injection.
Preferably, the material of the non-sticky element of the dust includes Teflon.
Compared with prior art, it is provided with resistance on the light sensing minute surface for the light detecing element that colour wheel module of the invention has
Every element or the non-sticky element of dust, wherein barrier element, which has, is avoided that the spy that the solid of environment and/or liquid substance attach
Property, therefore detecting light can be made efficiently to inject light sensing minute surface to light through barrier element or the non-sticky element of dust and detect
Survey in element, so as to improve the accuracy rate of light detecing element detecting.
More preferably understand to have to the above-mentioned and other aspect of the present invention, special embodiment below, and coordinate institute's accompanying drawing
Formula describes in detail as follows：
Brief description of the drawings
Fig. 1 illustrates the optical sensor of an embodiment.
Fig. 2 illustrates the optical sensor of another embodiment.
Fig. 3 illustrates the colour wheel module of an embodiment.
Embodiment
To make to have further understanding to the purpose of the present invention, construction, feature and its function, hereby coordinate embodiment detailed
It is described as follows.
The embodiment system of this disclosure proposes a kind of colour wheel module, is provided with the light sensing minute surface of its light detecing element
Barrier element, wherein barrier element, which have, is avoided that the characteristic that the solid of environment and/or liquid substance attach, therefore detecting light
Penetrate and will not be influenceed by surrounding material, and efficiently can inject light sensing minute surface to light detecing element through barrier element
In.
It is noted that this exposure not shows all possible embodiment, other implementations not proposed in this exposure
Aspect be able to may also be applied.Furthermore the dimension scale in schema is not drawn according to actual product equal proportion.Therefore, explanation
Book and diagramatic content are only described herein embodiment and are used, rather than are used as this exposure protection domain is limited.In addition, in embodiment
Narration, such as thin portion structure, fabrication steps and materials application etc., are used, not this exposure are intended to protect by way of example only
Scope limit.The step of embodiment and each details of structure can be in the spirit and scope for do not depart from this exposure according to reality
Changed using the needs of processing procedure and modification.It is to represent that identical/similar element is said with identical/similar symbol below
It is bright.
Fig. 1 illustrates the optical sensor 102 according to an embodiment.Optical sensor 102 includes having light sensing minute surface 104
Light detecing element 106, barrier element 108 and circuit board 120.Light detecing element 106 is arranged on circuit board 120.One implements
In example, barrier element 108 is adhesive tape, can be attached to by bonding plane 108A on the light sensing minute surface 104 of light detecing element 106；
When implementing, light sensing minute surface 104 can be a part for light detecing element 106, and light sensing minute surface 104 also can be to be detectd independently of light
Survey the unit that element 106 is set.
In embodiment, barrier element 108 has light transmitting property, and barrier element 108 is relative to bonding plane 108A appearance
Face 108B, which has, is avoided that the characteristic that the solid of environment and/or liquid substance attach.The solid of environment include but is not limited to dust,
The particulates such as dust, cotton-wool, salt, its may be because unexpected light tight, refraction, reflection light property and influence light penetration
The light sensing minute surface 104 of light detecing element 106 or the efficiency for effectively reaching light detecing element 106.In certain embodiments, obstruct
Element 108 can be to prevent dust from attaching, therefore the also referred to as non-sticky element of dust, but this exposure is not limited to this.Environment
Liquid include but is not limited to moisture content etc., it is likely to result in attaching for environment solid, it is also possible to because unexpected refraction,
Reflection light property and influence light effectively penetrate light sensing minute surface 104 and the efficiency for the light detecing element 106 that arrives (that is, light sensing
Minute surface 104 can act as the incidence surface of light detecing element 106).In embodiment, due to the light sensing minute surface of light detecing element 106
The barrier element 108 for being avoided that the surrounding material for influenceing light penetration efficiency is provided with 104, therefore detecting light can be efficient
Ground passes through barrier element 108 and the light sensing minute surface 104 that arrives enters in light detecing element 106 so that light detecing element 106 can be precisely
Detecting.For example, the material of barrier element 108 includes Teflon etc., but not limited to this, it is possible to use other to have simultaneously
Printing opacity and it is avoided that the solid of environment and/or liquid substance attach the material of property.Light detecing element 106 may include but be not limited to
Charge coupled cell (Charge Coupled Device, CCD).
Fig. 2 illustrates the optical sensor 202 according to another embodiment, its difference between Fig. 1 optical sensor 102
It is that barrier element 208 is arranged on the light sensing minute surface 104 and side element surface 110 and circuit board 120 of light detecing element 106
Plate surface 122 on.In an embodiment, barrier element 208 is the coating that is formed using coating method.In embodiment, resistance
Every the characteristic that element 208 attaches with light transmitting property and with the solid and/or liquid substance for being avoided that environment simultaneously, therefore detect
Light-metering line can efficiently pass through the entrance light detecing element of light sensing minute surface 104 of barrier element 208 and the light detecing element 106 that arrives
In 106 so that light detecing element 106 can be detected precisely.For example, the material of barrier element 208 includes Teflon etc., but
Not limited to this, it is possible to use other suitable materials.
It can be applied according to the optical sensor of the concept of this exposure into various Optical devices.Illustrated below with colour wheel module
Illustrate, its can example as applied to using DMD (Digital Micromirror Device) micromirror reflection technology projection fill
In putting.
Fig. 3 illustrates the colour wheel module of an embodiment.The colour wheel 330 of colour wheel module may include the rotating shaft 332 being connected and filter
Mating plate 334.Optical filter 334 may include to be connected to rotating shaft by what Red lightscreening plate, green color filter and blue color filter were formed
332 colored disk, but not limited to this.In other embodiment, optical filter 334 may include by Red lightscreening plate, green color filter,
The disk for being connected to rotating shaft 332 that blue color filter, white (transparent) optical filter are formed, it is such.When rotating shaft 332 has
Between label 336 be arranged in its side wall 338.High-speed motor (not shown) can couple rotating shaft 332 to drive the optical filter of colour wheel 330
334 lasting rotations.
Colour wheel module also includes detecting module.Detecting module may include light source 340A and light source 340B, and optical sensor
102A and optical sensor 102B.Light source 340A and light source 340B can be used to project white light, but not limited to this.In detecting module
In configuration design, light source 340A faces the planar configuration of optical filter 334, so that the detection light beam launched can be mapped to optical filter
On 334, and by optical filter 334 reflex to optical sensor 102A light sensing minute surface 104 (that is, incidence surface) and the light that arrives detect
Element 106.In one embodiment, for example, light source 340A can face optical filter 334 planar configuration so that the inspection launched
Light-metering beam can be vertically mapped on optical filter 334.In addition, light source 340B can face be pasted with time tag 336 rotating shaft 332 side
Wall 338 configures, and vertically to launch detection light beam to the side wall 338 of rotating shaft 332, and reflexes to optical sensing by side wall 338
Device 102B light sensing minute surface 104 and the light detecing element 106 that arrives.Light detecing element 106 can be according to the strong of the detection light beam of reflection
Degree change produces pulse signal, and the processor (not shown) coupled by circuit board 120 calculates colour wheel 330 according to signal
Parameter, such as the assorted filter angle phi of optical filter 334 and the relative position of time tag 336 and optical filter 334.Pass through
The parameter calculated relative to standard value extent of deviation, it may be appreciated that optical filter 334 position skew situation, also can thereby sentence
The rotation status of off-color wheel 330.
In an embodiment, optical sensor 102A and optical sensor 102B can the optics senses that illustrate of similar reference picture 1
Survey device 102.Because there is barrier element 108 to be arranged on light detecing element 106 by optical sensor 102A and optical sensor 102B
Light sensing minute surface 104 on, wherein barrier element 108 simultaneously with light transmitting property and with the solid for being avoided that environment and/or
The characteristic that liquid substance attaches, therefore the detecting light reflected from colour wheel 330 can be efficiently through barrier element 108 and the light that arrives
Sense minute surface 104 to enter in light detecing element 106 so that can precisely detect the parameter of colour wheel 330, improve the reliable of projection arrangement
Property.This exposure is not limited to this.In other embodiment, optical sensor 102A and optical sensor 102B is referred to Fig. 2
The optical sensor 202 of explanation substitutes, or any collocation uses Fig. 1 optical sensor 102 and Fig. 2 optical sensors 202, or
Other optical sensors of barrier element are configured in the light sensing minute surface 104 of light detecing element 106 according to the concept of this exposure.
According to the above, barrier element is provided with the light sensing minute surface of its light detecing element of the colour wheel module of embodiment, its
Middle barrier element, which has, is avoided that the characteristic that the solid of environment and/or liquid substance attach, therefore detecting light can be made efficient
Light sensing minute surface is injected in the light detecing element that arrives in ground through barrier element, improves detecting efficiency.
In summary, although the present invention is disclosed above with embodiment, so it is not limited to the present invention.Institute of the present invention
Has usually intellectual in category technical field, without departing from the spirit and scope of the present invention, when various changes and profit can be made
Decorations.Therefore, protection scope of the present invention is worked as and is defined depending on appended claims institute defender.
Claims (10)
- A kind of 1. colour wheel module, it is characterised in that including：Colour wheel；AndModule is detected, including light detecing element, light source, light sensing minute surface and barrier element, the detecting module cause from the light The detection light beam of the source directive colour wheel is in the directive light sensing minute surface and the light detecing element that arrives, barrier after colour wheel reflection Element, which is arranged on the light sensing minute surface and had, is avoided that the characteristic that the solid of environment and/or liquid substance attach.
- 2. colour wheel module as claimed in claim 1, it is characterised in that the light detecing element includes the light sensing minute surface, the resistance There is bonding plane every element, the barrier element is attached on the light sensing minute surface by the bonding plane.
- 3. colour wheel module as claimed in claim 1, it is characterised in that the barrier element is to be coated on the light sensing minute surface Coating.
- 4. colour wheel module as claimed in claim 1, it is characterised in that the material of the barrier element includes Teflon.
- 5. colour wheel module as claimed in claim 1, it is characterised in that the detecting module also includes circuit board, and the wherein light is detectd Surveying element includes the light sensing minute surface and configures on the board, the light sensing mirror of the barrier element from the light detecing element Face is extended on the circuit board.
- 6. colour wheel module as claimed in claim 1, it is characterised in that the colour wheel includes colored filter, and the detecting module makes From the detection light beam of the light source directive colored filter in directive barrier element after colored filter reflection and To the light sensing minute surface and the light detecing element.
- 7. colour wheel module as claimed in claim 1, it is characterised in that the colour wheel includes optical filter and the rotating shaft being connected, should Detecting module causes the detection light beam from the light source directive colored filter in directive barrier member after rotating shaft reflection Part and arrive the light sensing minute surface and the light detecing element.
- 8. colour wheel module as claimed in claim 7, it is characterised in that the rotating shaft has time tag and side wall, time mark Label are set on the side wall.
- A kind of 9. colour wheel module, it is characterised in that including：Colour wheel；AndModule, including light detecing element, light source and the non-sticky element of dust are detected, the non-sticky element of the dust is arranged on light detecting On the incidence surface of element, the detecting module causes the detection light beam from the light source directive colour wheel in the directive after colour wheel reflection The incidence surface of the light detecing element and enter the light detecing element, the light detecing element judges according to the detection light beam of injection The rotation status of the colour wheel.
- 10. colour wheel module as claimed in claim 9, it is characterised in that the material of the non-sticky element of the dust includes Teflon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710902399.6A CN107561839A (en) | 2017-09-29 | 2017-09-29 | Colour wheel module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710902399.6A CN107561839A (en) | 2017-09-29 | 2017-09-29 | Colour wheel module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107561839A true CN107561839A (en) | 2018-01-09 |
Family
ID=60984114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710902399.6A Pending CN107561839A (en) | 2017-09-29 | 2017-09-29 | Colour wheel module |
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| Country | Link |
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| CN (1) | CN107561839A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109298524A (en) * | 2018-11-16 | 2019-02-01 | 苏州佳世达光电有限公司 | Wavelength conversion module and projection device using the same |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02146772A (en) * | 1989-10-15 | 1990-06-05 | Minolta Camera Co Ltd | Image sensor |
| CN101358840A (en) * | 2007-08-01 | 2009-02-04 | 鸿富锦精密工业（深圳）有限公司 | Color wheel parameter detection system and method |
| CN101393313A (en) * | 2007-09-21 | 2009-03-25 | 鸿富锦精密工业（深圳）有限公司 | color wheel |
| CN102243350A (en) * | 2010-05-14 | 2011-11-16 | 中强光电股份有限公司 | Color wheel module and projection device with color wheel module |
| CN102375198A (en) * | 2010-08-16 | 2012-03-14 | 台达电子工业股份有限公司 | Projection device and color wheel set thereof |
| CN105823526A (en) * | 2016-06-16 | 2016-08-03 | 唐山现代工控技术有限公司 | Deposition and water level monitor and application method thereof |
-
2017
- 2017-09-29 CN CN201710902399.6A patent/CN107561839A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02146772A (en) * | 1989-10-15 | 1990-06-05 | Minolta Camera Co Ltd | Image sensor |
| CN101358840A (en) * | 2007-08-01 | 2009-02-04 | 鸿富锦精密工业（深圳）有限公司 | Color wheel parameter detection system and method |
| CN101393313A (en) * | 2007-09-21 | 2009-03-25 | 鸿富锦精密工业（深圳）有限公司 | color wheel |
| CN102243350A (en) * | 2010-05-14 | 2011-11-16 | 中强光电股份有限公司 | Color wheel module and projection device with color wheel module |
| CN102375198A (en) * | 2010-08-16 | 2012-03-14 | 台达电子工业股份有限公司 | Projection device and color wheel set thereof |
| CN105823526A (en) * | 2016-06-16 | 2016-08-03 | 唐山现代工控技术有限公司 | Deposition and water level monitor and application method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109298524A (en) * | 2018-11-16 | 2019-02-01 | 苏州佳世达光电有限公司 | Wavelength conversion module and projection device using the same |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20180404 Address after: 200335 E unit D 8 building, No. 207, Songhong Road, Changning District, Shanghai Applicant after: BenQ Intelligent Technology (Shanghai) Co., Ltd. Applicant after: Benq Corp. Address before: Changning District rainbow road Shanghai City No. 207 song 200335 Applicant before: BenQ Co., Ltd. Applicant before: Benq Corp. |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180109 |
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| WD01 | Invention patent application deemed withdrawn after publication |