CN1185541C - Location and regulation device of optical pipe - Google Patents
Location and regulation device of optical pipe Download PDFInfo
- Publication number
- CN1185541C CN1185541C CNB011353759A CN01135375A CN1185541C CN 1185541 C CN1185541 C CN 1185541C CN B011353759 A CNB011353759 A CN B011353759A CN 01135375 A CN01135375 A CN 01135375A CN 1185541 C CN1185541 C CN 1185541C
- Authority
- CN
- China
- Prior art keywords
- glass
- salient point
- photoconductive tube
- location
- carriage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Light Guides In General And Applications Therefor (AREA)
Abstract
The present invention relates to a device for positioning and adjusting a light pipe, which comprises a rectangular bracket, a holding device, a first adjusting screw and a second adjusting screw, wherein the rectangular bracket is made of a metal slice in an integral bending mode; when the metal slice is bent into the bracket, the first end and the second end of the metal slice are perpendicularly abutted on each other to form a sealed space for containing the light pipe; the holding device is used for positioning the rectangular bracket; the front end of the first adjusting screw is abutted on the side surface of the rectangular bracket to adjust the horizontal position of the light pipe by adjusting the tightness of the screw; and the front end of the second adjusting screw is abutted on the bottom surface of the rectangular bracket to adjust the perpendicular position of the light pipe by adjusting the tightness of the second adjusting screw.
Description
Technical field
The present invention relates to a kind of location and adjusting gear of photoconductive tube, particularly relate to the location and the adjusting gear of the photoconductive tube in a kind of DLP of being used in (Digital Light Processing) projector.
Background technology
Early stage shadow casting technique is by cathode-ray tube (CRT) (Cathode Ray Tube, CRT) three rifle projections, but big because use the required projector's volume of this kind technology, differentiate rate variance, therefore promptly (Liquid Crystal Display, LCD) shadow casting technique replaced by liquid crystal display afterwards.
The projection theory of LCD shadow casting technique is after the red green blue tricolor filter is passed in the light projection, three primary colors is led to penetrate penetrating on three liquid crystal panels (LCD Panel), and then synthetic projection imaging.Generally speaking, the color saturation and the colour temperature of LCD shadow casting technique are preferable, yet the penetration liquid crystal panel is subject to the influence of light penetration rate, so optical efficiency can be poorer than reflective, also be subject to the relation of light engine (OpticalEngine) structure in addition, volume can't be accomplished very little, and relatively weight is also heavier.
In recent years, a new shadow casting technique is arranged again, i.e. (Digital LightProcessing, DLP) technology see also U.S. Patent number US 5,658,063 in digit optical processing.This kind DLP shadow casting technique be 1996 the Texas Instruments by the texas,U.S Dallas (Texas InstrumentsIncorporated) research and develop successfully.Be different to pass by LCD shadow casting technique with light penetration liquid crystal panel imaging mode, the DLP projection theory is light to be throwed the redgreenblue rotating disk that passes high-speed rotation project DLP chip catoptric imaging again.The critical components of this technology is a kind of semiconductor-based prospective component of being controlled by modulation in the two bit arteries and veins, be digital micro-mirror assembly (Digital Micromirror Device, DMD), this assembly can be obtained by the Texas Instruments of aforesaid texas,U.S Dallas.
This dmd chip is quick and have reflexive digital optical switch, can control light source very accurately.Because DLP shadow casting technique diverted via light by the fine eyeglass reflection on the dmd chip and produces image, such technology can reduce the weight of projector significantly, and volume also can dwindle significantly, and optical efficiency and higher resolution preferably are provided simultaneously.Because DMD has reflectivity and high characteristic of filling up rate, can produce higher optical efficiency, so DLP shadow casting technique needing to be highly suitable for the purposes of high brightness and high image resolution.The thermal diffusivity that DLP shadow casting technique is preferable also makes DLP projector can use the light source of high wattage, and the life-span that can not lower DMD, the total digitalization of DLP shadow casting technique design simultaneously provides more correct and stable regeneration image.
In the DLP projector that uses DLP shadow casting technique, the photoconductive tube (Light Pipe) that is arranged between light source and light engine is indispensable refraction significant components in the optical module.Under the requirement of optics, photoconductive tube must be designed to carry out up and down and about the pattern adjusted, to reach the requirement of adjusting projected picture.So, be necessary for photoconductive tube a kind of location and adjusting mechanism be provided.
Generally speaking, DLP projector uses clamping device (Clip Means) and carriage (Bracket) locating device as photoconductive tube, and utilizes the adjustment about screw reaches up and down.See also Fig. 1 a, Fig. 1 a is the location and the adjusting gear of the photoconductive tube 13 of a prior art.Prior art is utilized the rigid elastic force of clamping device 11, photoconductive tube 13 is born against on the plane 121 of light engine 12 of magnalium, and location photoconductive tube 13, and utilize 14 pairs of photoconductive tubes of screw 13 to carry out the fine setting of left and right directions, and utilize 15 pairs of photoconductive tubes of screw 13 to carry out the fine setting of above-below direction.Because the production method of photoconductive tube 13 generally all is to be formed by the superimposed mode of four sheet glass, 131,132,133,134 gluings, see also Fig. 1 b, the pressure that four sheet glass, 131,132,133,134 surfaces can bear is very little, locatees photoconductive tube 13 so clamping device 11 must see through the U type carriage 16,17 that is attached on the photoconductive tube 13.
Under the configuration of the U of prior art type carriage 16,17, when carrying out the adjustment of left and right horizontal direction with screw 14, U type carriage 16 will directly be oppressed photoconductive tube 13 to internal strain.And under the bonding mode of the photoconductive tube 13 of the prior art shown in Fig. 1 b, photoconductive tube 13 often holds be can't stand this side pressure and two side glass 131,133 is collapsed and collapse.Otherwise, under the bonding mode of identical photoconductive tube 13, when carrying out vertical direction adjustment up and down with screw 15, photoconductive tube 13 is born is pressure from top and below, because this moment, top glass 132 and end glass 134 were subjected to the support of two side glass 131,133, collapsed so photoconductive tube 13 not too can collapse.
On the mechanism design of the location of photoconductive tube 13 shown in Fig. 1 a and Fig. 1 b and adjusting gear, usually must utilize formula to calculate clamping device 11 and will produce what elastic force and photoconductive tube 13 pressure that what can bear, excessive and photoconductive tube 13 is collapsed collapse to avoid pressure.These calculate a kind of difficulty that often forms on the project organization, and in the manufacture process of clamping device 11 and U type carriage 16,17, the tolerance grade of mould and punching press degree of stability all must be controlled suitably, just can meet above-mentioned requirements.In addition, except the situation of above-mentioned photoconductive tube 13 side pressure that bears, collapse about collapsing of photoconductive tube 13 and also must consider the influence that heat energy causes.Promptly, because photoconductive tube 13 all is to make in the viscose four sheet glass modes of binding, therefore when light passes through photoconductive tube 13, when surpassing the heat-resisting value of viscose if temperature is too high, photoconductive tube 13 will be collapsed to collapse, moreover the U type carriage 16,17 that stick on photoconductive tube 13 surfaces also may overslaugh heat radiation, collapse and collapse and quicken photoconductive tube 13.
Because prior art must be considered many factors on mechanism design, and brings many inconveniences, therefore be necessary further to provide a kind of more easy and the location and the adjusting gear that do not cause photoconductive tube to collapse to collapse.
Summary of the invention
The object of the present invention is to provide a kind of location and adjusting gear of photoconductive tube, and this kind location and adjusting gear can be guaranteed that photoconductive tube is unlikely to collapse and collapse.
The object of the present invention is achieved like this, a kind of location and adjusting gear promptly are provided, for locating and adjust a photoconductive tube (light pipe), this photoconductive tube is by a slice top glass, glass at the bottom of a slice, a slice right side glass and a slice left side glass bind and form, this photoconductive tube is arranged on the light engine (optical engine) of a projector (projector), this location and adjusting gear comprise: a rectangle carriage (rectangularbracket), this rectangle carriage is bent into by a sheet metal one, this sheet metal has one first end and one second end, when this sheet metal is bent into this rectangle carriage, this first end and this second end orthogonal against, to form an enclosure space, for holding this photoconductive tube; One clamping device (clipmeans) is for this rectangle carriage of location; One first adjusts screw (hrst adjustment screw), and a conflict side of this rectangle carriage of this first front end of adjusting screw is by adjusting this first elasticity of adjusting screw, to adjust the position of this photoconductive tube horizontal direction; And one second adjust screw (secondadjustment screw), and a conflict bottom surface of this rectangle carriage of this second front end of adjusting screw is by adjusting this second elasticity of adjusting screw, to adjust the position of this photoconductive tube vertical direction.
The present invention also provides a kind of location and adjusting gear, it is for the location and adjust a photoconductive tube, this photoconductive tube is arranged on the light engine, this photoconductive tube by a slice top glass, a slice at the bottom of glass, a slice right side glass and a slice left side glass bind and form, this top glass has a top glass left surface and a top glass right flank, this end glass has an end glass left surface and an end glass right flank, this location and adjusting gear comprise: a clamping device is fixed on this light engine, forms an accommodation space between this clamping device and this light engine; One carriage is arranged in this accommodation space, and this carriage is connected to this top glass left surface, this top glass right flank, this end glass left surface and this end glass right flank; One leveling device is can the mode of moving horizontally being fixed on this light engine, and a side of this this carriage of leveling device butt is by adjusting the horizontal level of this leveling device, to adjust the horizontal level of this photoconductive tube; And but a vertical-adjustment device is fixed on this light engine in the vertical moving mode, and a bottom surface of this this carriage of vertical-adjustment device butt is by adjusting the upright position of this vertical-adjustment device, to adjust the upright position of this photoconductive tube.
Another object of the present invention is to provide the location and the adjusting gear of the photoconductive tube that a kind of material obtains easily and make easily.For this reason, sheet metal of the present invention is a stainless steel thin slice.
Another object of the present invention is to provide a kind of location and adjusting gear of photoconductive tube that can efficiently radiates heat, collapse to avoid heat energy to quicken collapsing of photoconductive tube.For this reason, rectangle carriage of the present invention further comprises at least one salient point, the contacts side surfaces of each sheet glass long axis direction in four sheet glass of this at least one salient point and photoconductive tube.So, by reducing the contact area of square type carriage and photoconductive tube, the present invention will provide preferable radiating effect.
The advantage of apparatus of the present invention is, it can be guaranteed that photoconductive tube can not collapse and collapses, and it is simple and reasonable, and is easy to adjust.
Description of drawings
Fig. 1 a is the location and the adjusting gear synoptic diagram of a prior art photoconductive tube;
Fig. 1 b is photoconductive tube and the U type carriage among Fig. 1 a;
Fig. 2 a is the constitutional diagram of one embodiment of the invention;
Fig. 2 b is the exploded view of one embodiment of the invention;
Fig. 3 a is the photoconductive tube and the square type carriage synoptic diagram of one embodiment of the invention;
Fig. 3 b is the square type carriage synoptic diagram of one embodiment of the invention;
Fig. 3 c is the cut-open view of the square type carriage of Fig. 3 b at a-a ' profile line.
Embodiment
Photoconductive tube (Light Pipe) is indispensable light refraction assembly in DLP projector.Generally speaking, photoconductive tube is arranged on the reference plane of light engine, and with light source optical coupled (opticallycoupling), so that after the light process photoconductive tube internal refraction from light source, the redgreenblue rotating disk on the light engine is passed in projection, projects catoptric imaging on the dmd chip afterwards again.Based on optic requirement, photoconductive tube must be designed to can be up and down and about the structure adjusted, therefore must provide a kind of location of photoconductive tube and adjusting gear, with the adjustment of about photoconductive tube is carried out and position, the left and right sides.Yet the location of the photoconductive tube of prior art and adjusting gear ubiquity make photoconductive tube collapse the shortcoming that collapses easily, so the present invention proposes in addition a kind of location of photoconductive tube and adjusting gear overcoming the shortcoming of prior art, and avoid because photoconductive tube collapses and collapses and produce the existing picture in optic blue limit (Blue Edge).
See also Fig. 2 a and Fig. 2 b, the present invention utilizes clamping device 21, square type carriage 26,27 that photoconductive tube 23 is positioned on the plane 221 of light engine 22.It is noted that herein clamping device 21, light engine 22, photoconductive tube 23 are identical substantially with clamping device 11, light engine 12, the photoconductive tube 13 of prior art; As for the U type carriage 16 and 17 of prior art, then replaced by square type carriage 26 of the present invention and 27.
Shown in Fig. 2 a and Fig. 2 b, clamping device 21 has shell fragment 211 and 212, screw 213 and 214. Square type carriage 26 and 27 is attached on respectively on the two ends of photoconductive tube 23, and shell fragment 211 and 212 respectively with square type carriage 26 and 27 Elastic Contact, screw 213 and 214 can lock square type carriage 26 and 27 on the plane 221 of light engine 22 together with photoconductive tube 23.So, can locate photoconductive tube 23 by clamping device 21, and because shell fragment 211 and 212 contacts the plane, top of square type carriage 26 and 27 respectively, but not directly contact photoconductive tube 23, therefore can avoid pressure concentrated and photoconductive tube 23 is collapsed collapse.
In addition, shown in Fig. 2 a and Fig. 2 b, the present invention utilizes first to adjust the position of screw 24 adjustment photoconductive tubes 23 left and right horizontal directions, and utilizes second to adjust the position that screw 25 is adjusted photoconductive tubes vertical direction about in the of 23.It is noted that herein the first adjustment screw 24 is identical substantially with the screw 14 of prior art, and the second adjustment screw 25 is identical substantially with the screw 15 of prior art.Yet, the present invention unlike the prior art be, when carrying out the adjustment of left and right directions position, the screw 14 of the prior art U type carriage 16 that deducting, because the one side of U type carriage 16 directly contacts photoconductive tube 13, therefore may photoconductive tube 13 be collapsed and collapse because of pressure is concentrated; Otherwise the present invention makes first to adjust the side plane that screw 24 touches square type carriage 26, by whole rectangle carriage 26 translations change photoconductive tube 23 left and right directions positions, therefore can avoid pressure to concentrate and photoconductive tube 23 is collapsed collapse.Similarly, when carrying out the adjustment of above-below direction position, second adjusts the baseplane that screw 25 touches square type carriage 26, moves up and down and changes photoconductive tube 23 upper-lower positions to see through rectangle carriage 26, therefore can avoid pressure to concentrate and photoconductive tube 23 is collapsed collapse.
See also Fig. 3 a, Fig. 3 b and Fig. 3 c, to obtain further specifying of square type carriage 26 of the present invention and 27.Be noted that in preferred embodiment of the present invention square type carriage 26 and square type carriage 27 are identical, though only be illustrated at square type carriage 26 therefore, this explanation is useful on the square type carriage 27 equally.
Shown in Fig. 3 a, photoconductive tube 23 is by a slice top glass 233, and glass 232 at the bottom of a slice, and a slice right side glass 231 and a slice left side glass 234 bind and forms, and square type carriage 26 and 27 is attached on the two ends of photoconductive tube 23 respectively.In detail, square type carriage 26 and 27 has a gluing groove 35 respectively, can be for the coating viscose, so that square type carriage 26 and 27 is adhered on the photoconductive tube 23 in this gluing groove 35.And square type carriage 26 and 27 has a location plate washer 34 respectively, for the two ends that square type carriage 26 and 27 are positioned at photoconductive tube 23 respectively.
Shown in Fig. 3 b and Fig. 3 c, square type carriage 26 is bent into by a sheet metal one, this sheet metal preferably is a stainless steel thin slice, it has one first end 31 and one second end 32, when sheet metal was bent into rectangle carriage 26, first end 31 and second end 32 vertically were abutted together.Therefore when square type carriage 26 is subjected to reacting force F ' from the pressure F of side and pressure F, shown in Fig. 3 c, vertically be resisted against the support that is subjected to first end 31 on first end 31 owing to second end 32, therefore for the U type carriage 16 of prior art, square type carriage 26 of the present invention not too is easy to generate distortion.
In preferred embodiment of the present invention, the present invention further sets out at least one salient point at the inside surface of square type carriage 26 in middle pressure technology, to contact with photoconductive tube 23.So, except that the compression area that can reduce photoconductive tube 23, and can promote the radiating efficiency of photoconductive tube 23.
See also Fig. 3 a, Fig. 3 b and Fig. 3 c, the present invention further sets out salient point 331,332,333,334,335,336,337 and 338 at the inside surface of square type carriage 26 in middle pressure technology.Square type carriage 26 can utilize these salient points 331,332,333,334,335,336,337 and 338 to contact with top glass 233, end glass 232, right side glass 231 and left side glass 234 respectively.Therefore, square type carriage 26 is the modes with " point ", but not contacts with photoconductive tube 23 in the mode of " face ".This kind way of contact be except that can lowering significantly the compression area of photoconductive tube 23, closely is attached on the photoconductive tube 13 with respect to the U type carriage 16 of prior art, and possessing the space between square type carriage 26 of the present invention and the photoconductive tube 23 can be for heat radiation.
In addition, in preferable enforcement of the present invention, at least one salient point of square type carriage 26 can be designed to contact with the lateral parts of top glass 233, end glass 232, right side glass 231 or left side glass 234 long axis directions of photoconductive tube 23.So, will the area of photoconductive tube 23 pressurizeds be minimized, more difficult generation photoconductive tube 23 collapses the situation that collapses.
Shown in Fig. 3 a and Fig. 3 c, top glass 233 has a right flank 2331 and a left surface 2332; End glass 232 has a right flank 2322 and a left surface 2321; Right side glass 231 has an end face 2312 and a bottom surface 2311; And left side glass 234 has an end face 2341 and a bottom surface 2342.Shown in Fig. 3 a and Fig. 3 c, the bottom surface 2342 of salient point 331 and 335 while butt right side glass 234 and the left surface 2321 of end glass 232; The end face 2341 of salient point 334 and 338 while butt left side glass 234 and the left surface 2332 of top glass 233; The bottom surface 2311 of salient point 332 and 336 while butt right side glass 231 and the right flank 2322 of end glass 232; And salient point 333 and the end face 232 of 337 while butt right side glass 231 and the right flank 2322 of end glass 232.So, will the area of photoconductive tube 23 pressurizeds be minimized, and make pressure act on the long axis direction of top glass 233, end glass 232, right side glass 231 and left side glass 234, therefore more difficult generation photoconductive tube 23 collapses the situation that collapses.
The present invention is by above-mentioned configuration; can overcome prior art makes photoconductive tube collapse the shortcoming that collapses easily; abovely disclosed the present invention in conjunction with preferred embodiment; yet it is not in order to limit the present invention; any those skilled in the art; without departing from the spirit and scope of the present invention, can do some and change and retouching, protection scope of the present invention should be with being as the criterion that claim was defined.
Claims (12)
1. locate and adjusting gear for one kind, for locating and adjust a photoconductive tube, this photoconductive tube by a slice top glass, a slice at the bottom of glass, a slice right side glass and a slice left side glass bind and form, this photoconductive tube is arranged on the light engine of a projector, this location and adjusting gear comprise:
One rectangle carriage, this rectangle carriage is bent into by a sheet metal one, and this sheet metal has one first end and one second end, when this sheet metal is bent into this rectangle carriage, this first end and this second end orthogonal against, to form an enclosure space, for holding this photoconductive tube;
One clamping device is for this rectangle carriage of location;
One first adjusts screw, and a conflict side of this rectangle carriage of this first front end of adjusting screw is by adjusting this first elasticity of adjusting screw, to adjust the position of this photoconductive tube horizontal direction; And one second adjust screw, and a conflict bottom surface of this rectangle carriage of this second front end of adjusting screw is by adjusting this second elasticity of adjusting screw, to adjust the position of this photoconductive tube vertical direction.
2. location as claimed in claim 1 and adjusting gear, wherein this sheet metal is a stainless steel thin slice.
3. location as claimed in claim 1 and adjusting gear, wherein this rectangle carriage further comprises at least one salient point, a contacts side surfaces of this at least one salient point and this top glass long axis direction.
4. location as claimed in claim 1 and adjusting gear, wherein this rectangle carriage further comprises at least one salient point, a contacts side surfaces of this at least one salient point and this end glass long axis direction.
5. location as claimed in claim 1 and adjusting gear, wherein this rectangle carriage further comprises at least one salient point, a contacts side surfaces of this at least one salient point and this right side glass long axis direction.
6. location as claimed in claim 1 and adjusting gear, wherein this rectangle carriage further comprises at least one salient point, a contacts side surfaces of this at least one salient point and this left side glass long axis direction.
7. location as claimed in claim 1 and adjusting gear, wherein this rectangle carriage further comprises:
One first salient point and one second salient point contact with a bottom surface of this left side glass with a left surface of this end glass respectively;
One the 3rd salient point and one the 4th salient point contact with a bottom surface of this right side glass with a right flank of this end glass respectively;
One the 5th salient point and one the 6th salient point contact with an end face of this left side glass with a left surface of this top glass respectively; And
One the 7th salient point and one the 8th salient point contact with an end face of this right side glass with a right flank of this top glass respectively.
8. locate and adjusting gear for one kind, for locating and adjust a photoconductive tube, this photoconductive tube is arranged on the light engine, this photoconductive tube by a slice top glass, a slice at the bottom of glass, a slice right side glass and a slice left side glass bind and form, this top glass has a top glass left surface and a top glass right flank, this end glass has an end glass left surface and an end glass right flank, and this location and adjusting gear comprise:
One clamping device is fixed on this light engine, forms an accommodation space between this clamping device and this light engine;
One carriage is arranged in this accommodation space, and this carriage is connected to this top glass left surface, this top glass right flank, this end glass left surface and this end glass right flank;
One leveling device is can the mode of moving horizontally being fixed on this light engine, and a side of this this carriage of leveling device butt is by adjusting the horizontal level of this leveling device, to adjust the horizontal level of this photoconductive tube; And
But a vertical-adjustment device is fixed on this light engine in the vertical moving mode, and a bottom surface of this this carriage of vertical-adjustment device butt is by adjusting the upright position of this vertical-adjustment device, to adjust the upright position of this photoconductive tube.
9. location as claimed in claim 8 and adjusting gear, wherein this carriage also comprises on one right salient point on the left salient point and, left salient point is connected to this top glass left surface on this, this top glass right flank of right salient point butt on this.
10. location as claimed in claim 9 and adjusting gear, wherein this carriage also comprises a bottom left salient point and a bottom right salient point, and this bottom left salient point is connected to this end glass left surface, and this bottom right salient point butt should end glass right flank.
11. location as claimed in claim 10 and adjusting gear, wherein this right side glass has a right side top surface of glass and glass bottom surface, a right side, should go up this right side top surface of glass of right salient point butt and this top glass right flank, this glass bottom surface, right side of this bottom right salient point butt and this end glass right flank.
12. location as claimed in claim 10 and adjusting gear, wherein this left side glass has a left side top surface of glass and glass bottom surface, a left side, should go up this left side top surface of glass of left salient point butt and this top glass left surface, this left side glass bottom side of this bottom left salient point butt and this end glass left surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011353759A CN1185541C (en) | 2001-10-09 | 2001-10-09 | Location and regulation device of optical pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011353759A CN1185541C (en) | 2001-10-09 | 2001-10-09 | Location and regulation device of optical pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1410829A CN1410829A (en) | 2003-04-16 |
| CN1185541C true CN1185541C (en) | 2005-01-19 |
Family
ID=4673125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011353759A Expired - Fee Related CN1185541C (en) | 2001-10-09 | 2001-10-09 | Location and regulation device of optical pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1185541C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101013255B (en) * | 2006-01-11 | 2010-06-16 | 三洋电机株式会社 | Bar type integrator holder and projection-type image display device |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100465772C (en) * | 2004-12-03 | 2009-03-04 | 扬明光学股份有限公司 | Fixing/regulating device |
| US7566135B2 (en) | 2005-01-13 | 2009-07-28 | Lg Electronics Inc. | Light tunnel of DLP projection system |
| CN101162360B (en) * | 2006-10-13 | 2010-12-01 | 台达电子工业股份有限公司 | Photoconductor tube device used for bare engine and projecting system containing the same |
| CN101373314B (en) * | 2007-08-20 | 2010-06-16 | 中强光电股份有限公司 | Regulating mechanism of optical integration pillar module and optical engine |
| CN101900924B (en) * | 2010-06-11 | 2013-03-20 | 深圳雅图数字视频技术有限公司 | Fixing device and projector of optical engine |
| CN106773484A (en) * | 2016-12-28 | 2017-05-31 | 广东威创视讯科技股份有限公司 | A kind of projector of energy quick regulation and alignment DMD hot spots |
-
2001
- 2001-10-09 CN CNB011353759A patent/CN1185541C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101013255B (en) * | 2006-01-11 | 2010-06-16 | 三洋电机株式会社 | Bar type integrator holder and projection-type image display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1410829A (en) | 2003-04-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6773118B2 (en) | Apparatus for positioning and adjusting a light pipe | |
| CN100480843C (en) | Projector | |
| US6345895B1 (en) | Projection type display apparatus | |
| US6755534B2 (en) | Prismatic optical display | |
| CN1125364C (en) | Light-modulating element and projection display | |
| CN1977213A (en) | Liquid crystal projector | |
| US5473339A (en) | Liquid crystal projector | |
| CN1185541C (en) | Location and regulation device of optical pipe | |
| JPH04507009A (en) | reflective image plane module | |
| CN2593233Y (en) | Adjustable housing of LCOS liquid crystal panel collecting mirror for lighting | |
| US11409189B2 (en) | Optical module, projection type image display apparatus, and method of manufacturing optical module | |
| JP2001021989A (en) | Mounting position adjuster for display panel and projector device | |
| CN105652564B (en) | Display system and display methods | |
| CN1360218A (en) | Projection type display device | |
| CN1516976A (en) | Optical device for projection system | |
| KR100743291B1 (en) | Structure of light tunnel for dlp projection television | |
| JP2001235747A (en) | Liquid crystal projector | |
| CN1249480C (en) | Projection picture display device | |
| CN1208679C (en) | Radiator of photoconductive tube | |
| KR100278672B1 (en) | Image forming device in projector | |
| CN2543303Y (en) | Detecting device of image correction for projector equipment | |
| JP3180452B2 (en) | Liquid crystal display | |
| KR200241244Y1 (en) | Front type LCD projector | |
| JP3291309B2 (en) | Convergence adjustment device | |
| US20080231932A1 (en) | Rear projection type display apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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 |