CN1873516A - Projection system, and light pipe module - Google Patents

Projection system, and light pipe module Download PDF

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Publication number
CN1873516A
CN1873516A CN 200510073536 CN200510073536A CN1873516A CN 1873516 A CN1873516 A CN 1873516A CN 200510073536 CN200510073536 CN 200510073536 CN 200510073536 A CN200510073536 A CN 200510073536A CN 1873516 A CN1873516 A CN 1873516A
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CN
China
Prior art keywords
photoconductive tube
light pipe
pedestal
pipe assembly
flexible member
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Pending
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CN 200510073536
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Chinese (zh)
Inventor
王维中
梁栋
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Prodisc Technology Inc
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Prodisc Technology Inc
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Publication date
Application filed by Prodisc Technology Inc filed Critical Prodisc Technology Inc
Priority to CN 200510073536 priority Critical patent/CN1873516A/en
Publication of CN1873516A publication Critical patent/CN1873516A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a projection system and the light pipe component that includes a light resource, a color wheel component, and a light pipe component. The light resource is set at the side of color wheel component, and the light pipe is set at another side of color wheel. The light pipe component includes a light pipe, a base, an adjusting component, and a first flexible component. The base has a containing space, and the light pipe is set in it. The first adjusting component contacts to one side of the light pipe and the first flexible component set between the light pipe and the base and is opposite to the adjusting component.

Description

Optical projection system and light pipe assembly
Technical field
The present invention relates to a kind of light pipe assembly, particularly relate to a kind of light pipe assembly that is installed in the optical projection system.
Background technology
Image projecting system is to be one of the most popular subitem in present opto-electronics, its technology can be divided into generally cathode ray tube (CRT), DLP Digital Light Processing (Digital Light Processing, DLP), reflection type liquid crystal and penetration liquid crystal or the like.Wherein, the projection of DLP Digital Light Processing and reflection type liquid crystal formation all can use the brightness uniformity of photoconductive tube with light.
As shown in Figure 1, with DLP Digital Light Processing (DLP) 1, light source 11 emitted light beams, process ultraviolet/ruddiness is behind the colour wheel 13 of filter 12 (UV/IR Cut Filter) and beam split earlier, pass photoconductive tube (Light Tunnel) 21 and relay lens 22 again, just be incident in catoptron 23.And catoptron 23 with the folded light beam oblique incidence to numerical digit micro mirror wafer 24 (Digital Micro-mirrorDevice, DMD) on, image after treatment enters projection lens 25, with projection imaging on screen 26.
In addition, projection numerical digit micro mirror wafer 24 is to have a control circuit 241, the redness that can represent according to videl signal, blueness, and green GTG output, and the angle of inclination of controlling each numerical digit micro mirror wafer 24 is to produce grey-tone image.
Yet photoconductive tube 21, relay lens 22, catoptron 23, numerical digit micro mirror wafer 24, control circuit 241, projection lens 25 is to be installed among the housing 2 with screen 26, and therefore, photoconductive tube 21 is if must pull down replacing from housing 2 when damaging to some extent.In addition, because photoconductive tube 21 is to be installed within the housing 2,, make photoconductive tube 21 and housing 2 when assembling, be not easy assembling and adjust so the position of photoconductive tube 21 in housing 2 is not easy to change.Moreover the heat that is produced during photoconductive tube 21 runnings leaves from housing 2 except being not easy, and also can't directly add heat abstractor to improve the heat radiation situation.
Therefore, provide a kind of light pipe assembly, be located away from the photoconductive tube of optical projection system in the hope of the energy fixing, and can adjust the position of photoconductive tube, and then make the assembling of photoconductive tube and adjustment be more prone to, one of current just important topic.
This shows that above-mentioned existing light pipe assembly obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.In order to solve the problem that light pipe assembly exists, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, this obviously is the problem that the anxious desire of relevant dealer solves.
Because the defective that above-mentioned existing light pipe assembly exists, the inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, in the hope of optical projection system and the light pipe assembly of founding a kind of new structure, can improve general existing light pipe assembly, make it have more practicality.Through constantly research, design, and after studying sample and improvement repeatedly, create the present invention who has practical value finally.
Summary of the invention
The objective of the invention is to, overcome the defective that existing light pipe assembly exists, and a kind of optical projection system and light pipe assembly of new structure, technical matters to be solved are provided is to make it can fixing and adjust and be located away from the photoconductive tube of optical projection system, thereby is suitable for practicality more.
Another object of the present invention is to, a kind of optical projection system is provided, technical matters to be solved is to make it can fixing and adjust and be located away from the photoconductive tube of optical projection system, thereby is suitable for practicality more.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to a kind of optical projection system that the present invention proposes, it comprises: a light source; One color block component, this light source are sides that is arranged at this color block component; An and light pipe assembly, it is the opposite side that is arranged at this color block component, this light pipe assembly is to have a photoconductive tube, a pedestal, one first adjustment element and one first flexible member, wherein this pedestal is to have an accommodation space, this photoconductive tube is to be installed in this accommodation space, this first adjust element be wear this pedestal and with a side contacts of this photoconductive tube, this first flexible member is to be located between this photoconductive tube and this pedestal and relative with this first adjustment element and establish.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid optical projection system, the wherein said first adjustment element is to be a screw.
Aforesaid optical projection system, this first adjustment element of wherein said adjustment makes this photoconductive tube move along a first direction.
Aforesaid optical projection system, wherein said light pipe assembly more comprises: one second adjusts element, it is to wear this pedestal and contact with this photoconductive tube, and adjusts this and second adjust element this photoconductive tube is moved along a second direction, and wherein this first direction is vertical with this second direction; And one second flexible member, it is to be located between this photoconductive tube and this pedestal, and second to adjust element relative and establish with this.
Aforesaid optical projection system, wherein said first flexible member are to be arranged between this photoconductive tube and this pedestal.
Aforesaid optical projection system, wherein said light pipe assembly more comprises: a heat conducting element, it is to have plural fin, this heat conducting element is to be arranged at this pedestal.
Aforesaid optical projection system, wherein said photoconductive tube is to comprise: a framework and a photoconductive tube body, this photoconductive tube body is to be arranged in this framework, wherein this framework is made of heat-conducting, and this first flexible member is to have an abutting part, this framework is to have a protuberance, and this abutting part is to contact with this protuberance.
The object of the invention to solve the technical problems also adopts following technical scheme to realize.According to the light pipe assembly that the present invention proposes, it comprises: a photoconductive tube; One pedestal, it is to have an accommodation space, this photoconductive tube is to be installed in this accommodation space; One first adjusts element, its be wear this pedestal and with a side contacts of this photoconductive tube; And one first flexible member, it is to be located between this photoconductive tube and this pedestal and first to adjust element relative and establish with this.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid light pipe assembly, the wherein said first adjustment element is to be a screw, it adjusts this first adjustment element makes this photoconductive tube move along a first direction.
Aforesaid light pipe assembly, it more comprises: one second adjusts element, and it is to wear this pedestal and contact with this photoconductive tube, and adjusts this second adjustment element this photoconductive tube is moved along a second direction, and wherein this first direction is vertical with this second direction; And one second flexible member, it is to be located between this photoconductive tube and this pedestal, and second to adjust element relative and establish with this.
Aforesaid light pipe assembly, wherein said first flexible member are to be arranged between this photoconductive tube and this pedestal.
Aforesaid light pipe assembly, it more comprises: a heat conducting element, it is to have plural fin, this heat conducting element is to be arranged at this pedestal.
Aforesaid light pipe assembly, wherein said photoconductive tube is to comprise: a framework and a photoconductive tube body, this photoconductive tube body is to be arranged in this framework.
Aforesaid light pipe assembly, wherein said first flexible member are to have an abutting part, and this framework is to have a protuberance, and this abutting part is to contact with this protuberance.
By technique scheme, optical projection system of the present invention and light pipe assembly have following advantage at least:
Because light pipe assembly is photoconductive tube independently can be installed outside the housing, so the replacement of photoconductive tube is more prone to.In addition, photoconductive tube can be adjusted the position of photoconductive tube by the adjustment element in the light pipe assembly, so photoconductive tube and housing are easier to assembling and adjustment when assembling.Moreover photoconductive tube can directly add heat dissipation element, so can improve the heat radiation situation.
In sum, the optical projection system of special construction of the present invention and light pipe assembly, it can fixing and adjusts and be located away from the photoconductive tube of optical projection system, thereby is suitable for practicality more.It has above-mentioned many advantages and practical value, and in like product, do not see have similar structural design to publish or use and really genus innovation, no matter it all has bigger improvement on product structure or function, have large improvement technically, and produced handy and practical effect, and more existing optical projection system and photoconductive tube have the multinomial effect of enhancement, thus be suitable for practicality more, and have the extensive value of industry, really be a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of instructions, and for above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is known DLP Digital Light Processing one synoptic diagram.
Fig. 2 A is light pipe assembly one exploded view according to preferred embodiment of the present invention.
Fig. 2 B is the light pipe assembly synoptic diagram that shows according to preferred embodiment of the present invention.
Fig. 2 C is the light pipe assembly synoptic diagram that shows according to preferred embodiment of the present invention, its middle frame and second flexible member.
Fig. 3 is the light pipe assembly synoptic diagram according to preferred embodiment of the present invention, wherein heat conducting element.
Fig. 4 is the optical projection system synoptic diagram according to preferred embodiment of the present invention.
1: DLP Digital Light Processing 11: light source
12: ultraviolet/ruddiness ends filter 13: colour wheel
2: housing 21: photoconductive tube
22: relay lens 23: catoptron
24: numerical digit micro mirror wafer 241: control circuit
25: projection lens 26: screen
3: light pipe assembly 31: photoconductive tube
311: photoconductive tube body 312: framework
3121: protuberance 32: pedestal
321: accommodation space is adjusted element at 33: the first
Flexible member 341 in 34: the first: abutting part
36: the second flexible members of 35: the second adjustment elements
37: heat conducting element 4: optical projection system
41: light source 42: color block component
43: numerical digit micro mirror wafer 431: control circuit
44: projection lens 45: ultraviolet/ruddiness is by filter
46: relay lens 47: catoptron
48: screen 49: housing
X: first direction Y: second direction
Z: third direction
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to optical projection system and its embodiment of light pipe assembly, structure, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
See also shown in Fig. 2 A and Fig. 2 B, light pipe assembly 3 according to preferred embodiment of the present invention is to comprise a photoconductive tube 31, a pedestal 32, one first adjustment element 33 and one first flexible member 34, wherein pedestal 32 is to have an accommodation space 321, photoconductive tube 31 is to be installed in accommodation space 321, first adjust element 33 be wear pedestal 32 and with a side contacts of photoconductive tube 31, first flexible member 34 is to be located between photoconductive tube 31 and the pedestal 32 and relative with the first adjustment element 33 and establish.
In the present embodiment, the first adjustment element 33 is to can be a screw, adjusts the first adjustment element 33 photoconductive tube 31 is moved along a first direction X.In addition, first flexible member 34 is to can be a shell fragment, and first flexible member 34 is can be arranged between photoconductive tube 31 and the pedestal 32, owing to the first adjustment element 33 is relative establishing with first flexible member 34, so photoconductive tube 31 is moved along first direction X when adjusting the first adjustment element 33, first flexible member 34 is to stretch or compression along first direction X, thus first adjust element 33 and first flexible member 34 jointly secure light pipe 31 along the position of first direction X.
In addition, in the present embodiment, light pipe assembly 3 more can comprise one second and adjust element 35 and one second flexible member 36.
Second to adjust element 35 be to wear pedestal 32 and contact with photoconductive tube 31, and adjust the second adjustment element 35 photoconductive tube 31 is moved along a second direction Y, and wherein first direction X is vertical with second direction Y.Second flexible member 36 is to be located between photoconductive tube 31 and the pedestal 32, and with second to adjust element 35 relative and establish.
In the present embodiment, second flexible member 36 is can be arranged between photoconductive tube 31 and the pedestal 32, owing to the second adjustment element 35 is relative establishing with second flexible member 36, so adjust element 35 and make photoconductive tube 31 when second direction Y moves when adjusting second, second flexible member 36 is to draw Shen or compression along second direction Y, thus second adjust element 35 and second flexible member 36 jointly secure light pipe 31 along the position of second direction Y.
See also shown in Fig. 2 A, Fig. 2 B and Fig. 2 C, in addition, in the present embodiment, photoconductive tube 31 is to comprise a photoconductive tube body 311 and a framework 312, photoconductive tube body 311 is to be arranged in the framework 312, framework 312 is can be integrally formed with second flexible member 36, and framework 312 can be made of heat-conducting, to assist 311 heat radiations of photoconductive tube body.
Moreover, first flexible member 34 is to have an abutting part 341, framework 312 is to have a protuberance 3131, abutting part 341 is to contact with protuberance 3131, prevent that photoconductive tube body 311 from dropping out along a third direction Z from framework 312, and but secure light pipe body 311 is along the position of third direction Z, and wherein, third direction Z is perpendicular to first direction X and second direction Y.
See also shown in Figure 3ly, more can comprise a heat conducting element 37 according to the light pipe assembly 3 of preferred embodiment of the present invention.Heat conducting element 37 is to have plural fin, and is arranged at pedestal 32, and heat conducting element 37 is can be that heat-conducting is to assist the photoconductive tube heat radiation.
See also shown in Figure 4ly, comprise a light source 41, a color block component 42 and a light pipe assembly 3 according to the optical projection system 4 of preferred embodiment of the present invention.Wherein light source 41 is sides that are arranged at color block component 42, and light pipe assembly 3 is the opposite sides that are arranged at color block component 42.
In addition, in the present embodiment, optical projection system 4, more comprise a numerical digit micro mirror wafer 43 and a projection lens 44, wherein numerical digit micro mirror wafer 43 is to be adjacent to light pipe assembly 3, and projection lens 44 is to be adjacent to numerical digit micro mirror wafer 43, and light pipe assembly 3 is to comprise a photoconductive tube 31.
Light source 41 emitted light beams, process ultraviolet/ruddiness passes photoconductive tube 31 and relay lens 46 again behind the color block component 42 of filter 45 (UV/IR Cut Filter) and beam split earlier, just is incident in catoptron 47.And catoptron 47 with the folded light beam oblique incidence to numerical digit micro mirror wafer 43 (DigitalMicro-mirror Device, DMD) on, image after treatment enters projection lens 25, with projection imaging on screen 48.
In addition, projection numerical digit micro mirror wafer 43 is to have a control circuit 431, the redness that can represent according to videl signal, blueness, and green GTG output, and the angle of inclination of controlling each numerical digit micro mirror wafer 43 is to produce grey-tone image.
In the present embodiment, relay lens 46, catoptron 47, numerical digit micro mirror wafer 43, projection lens 44 is to be installed among the housing 49 with screen 48, light pipe assembly 3 be can spiral shell establish, mode such as adhesion is installed on housing 49 outsides.
Because the explanation in detail in aforesaid embodiment of the light pipe assembly of present embodiment is so repeat no more.Yet present embodiment and known techniques are in comparison, because light pipe assembly is photoconductive tube independently can be installed outside the housing, so the replacement of photoconductive tube is more prone to.In addition, photoconductive tube can be adjusted the position of photoconductive tube by the adjustment element in the light pipe assembly, so photoconductive tube and housing are easier to assembling and adjustment when assembling.Moreover photoconductive tube can directly add heat dissipation element, so can improve the heat radiation situation.
In sum, because of complying with light pipe assembly of the present invention and optical projection system, wherein light pipe assembly is to have pedestal, first to adjust the element and first flexible member, so can install fixing and adjust the photoconductive tube that is located away from the optical projection system.
The above only is an illustrative, but not is restricted person.Anyly do not break away from spirit of the present invention and category, and, all should be contained in the accompanying claim its equivalent modifications of carrying out or change.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.

Claims (14)

1, a kind of optical projection system is characterized in that it comprises:
One light source;
One color block component, this light source are sides that is arranged at this color block component; And
One light pipe assembly, it is the opposite side that is arranged at this color block component, this light pipe assembly is to have a photoconductive tube, a pedestal, one first adjustment element and one first flexible member, wherein this pedestal is to have an accommodation space, this photoconductive tube is to be installed in this accommodation space, this first adjust element be wear this pedestal and with a side contacts of this photoconductive tube, this first flexible member is to be located between this photoconductive tube and this pedestal and relative with this first adjustment element and establish.
2, optical projection system according to claim 1 is characterized in that the wherein said first adjustment element is to be a screw.
3, optical projection system according to claim 1 is characterized in that this first adjustment element of wherein said adjustment makes this photoconductive tube move along a first direction.
4, optical projection system according to claim 3 is characterized in that wherein said light pipe assembly more comprises:
One second adjusts element, and it is to wear this pedestal and contact with this photoconductive tube, and adjusts this second adjustment element this photoconductive tube is moved along a second direction, and wherein this first direction is vertical with this second direction; And
One second flexible member, it is to be located between this photoconductive tube and this pedestal, and second to adjust element relative and establish with this.
5, optical projection system according to claim 1 is characterized in that wherein said first flexible member is to be arranged between this photoconductive tube and this pedestal.
6, optical projection system according to claim 1 is characterized in that wherein said light pipe assembly more comprises:
One heat conducting element, it is to have plural fin, this heat conducting element is to be arranged at this pedestal.
7, optical projection system according to claim 1 is characterized in that wherein said photoconductive tube is to comprise:
One framework and a photoconductive tube body, this photoconductive tube body are to be arranged in this framework, and wherein this framework is made of heat-conducting, and this first flexible member is to have an abutting part, and this framework is to have a protuberance, and this abutting part is to contact with this protuberance.
8, a light pipe assembly is characterized in that it comprises:
One photoconductive tube;
One pedestal, it is to have an accommodation space, this photoconductive tube is to be installed in this accommodation space;
One first adjusts element, its be wear this pedestal and with a side contacts of this photoconductive tube; And
One first flexible member, it is to be located between this photoconductive tube and this pedestal and first to adjust element relative and establish with this.
9, light pipe assembly according to claim 8 is characterized in that the wherein said first adjustment element is to be a screw, and it adjusts this first adjustment element makes this photoconductive tube move along a first direction.
10, light pipe assembly according to claim 9 is characterized in that wherein more comprising:
One second adjusts element, and it is to wear this pedestal and contact with this photoconductive tube, and adjusts this second adjustment element this photoconductive tube is moved along a second direction, and wherein this first direction is vertical with this second direction; And
One second flexible member, it is to be located between this photoconductive tube and this pedestal, and second to adjust element relative and establish with this.
11, light pipe assembly according to claim 8 is characterized in that wherein said first flexible member is to be arranged between this photoconductive tube and this pedestal.
12, light pipe assembly according to claim 8 is characterized in that it more comprises:
One heat conducting element, it is to have plural fin, this heat conducting element is to be arranged at this pedestal.
13, light pipe assembly according to claim 8 is characterized in that wherein said photoconductive tube is to comprise:
One framework and a photoconductive tube body, this photoconductive tube body is to be arranged in this framework.
14, light pipe assembly according to claim 13 is characterized in that wherein said first flexible member is to have an abutting part, and this framework is to have a protuberance, and this abutting part is to contact with this protuberance.
CN 200510073536 2005-06-02 2005-06-02 Projection system, and light pipe module Pending CN1873516A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200510073536 CN1873516A (en) 2005-06-02 2005-06-02 Projection system, and light pipe module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200510073536 CN1873516A (en) 2005-06-02 2005-06-02 Projection system, and light pipe module

Publications (1)

Publication Number Publication Date
CN1873516A true CN1873516A (en) 2006-12-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200510073536 Pending CN1873516A (en) 2005-06-02 2005-06-02 Projection system, and light pipe module

Country Status (1)

Country Link
CN (1) CN1873516A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US10606160B2 (en) 2017-09-26 2020-03-31 Qingdao Hisense Electronics Co., Ltd. Adjusting device for light-pipe and projector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US10606160B2 (en) 2017-09-26 2020-03-31 Qingdao Hisense Electronics Co., Ltd. Adjusting device for light-pipe and projector

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