CN100465686C - Lens block, lens, holder for holding the lens block, and projector using the lens holder - Google Patents
Lens block, lens, holder for holding the lens block, and projector using the lens holder Download PDFInfo
- Publication number
- CN100465686C CN100465686C CNB2006101414739A CN200610141473A CN100465686C CN 100465686 C CN100465686 C CN 100465686C CN B2006101414739 A CNB2006101414739 A CN B2006101414739A CN 200610141473 A CN200610141473 A CN 200610141473A CN 100465686 C CN100465686 C CN 100465686C
- Authority
- CN
- China
- Prior art keywords
- lens
- lens element
- block
- anchor clamps
- tube portion
- 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
- Projection Apparatus (AREA)
- Lens Barrels (AREA)
Abstract
The invention provides a lens block having a unitized structure of a plurality of lens elements. A portion or whole of the plurality of lens elements and spacing rings 30 to 38 as constitutional components of an optical system are inserted into a lens barrel type jig 40 in prescribed order. A receptacle 43 which receives the lens element 38 to be inserted first is formed in the jig 40. After respective lens elements 30 to 38 are inserted into the jig 40, the respective lens elements 30 to 38 are made to abut with each other in one direction in an optical axis direction and positioned while fixing the distances related to respective lens elements 30 to 34, 36 and 37. Thereafter, adhesive agent is applied on at least three positions on the outer circumference of the abutting parts where the respective lens elements and spacing rings 30 to 38 abut with each other, and also, in the circumferential direction through openings 41 formed in the outer circumference of the jig 40, then, the plurality of lens elements and spacing rings 30 to 38 are unitized.
Description
Technical field
The present invention relates to have and to operate part or all the block of lense, the projector that keeps its lens keeper and use it of structure of a plurality of lens elements that constitutes optical system integratedly.
Background technology
All the time, the known RPTV (back projection TV) (patent documentation 1) that placement projector unit behind the screen of big picture is arranged and screen is carried out projection.RPTV is owing to the unit price of comparing equal picture dimension with TVs such as plasma or liquid crystal is cheap, and is therefore quite universal.But, owing to must projector unit be set, therefore the big defective of thickness is arranged at the dorsal part of hardwood face.
Therefore, proposed to be V word shape roughly, suppressed the increase of the size of the thickness direction that the length because of projecting lens causes, thereby realized the RPTV (patent documentation 2) of slimming by the projecting lens bending that will be provided with in projector unit.
Patent documentation 2 described projecting lens possess the optical axis bending of image light that will pass through to constitute first optical lens group of projecting lens and are certain angle, make the image light of the optical axis that is bent be incident in the remaining second optical lens group, prism aplanatism mapping device.This first or second optical lens group is made of a plurality of lens elements, and especially, the first optical lens group uses the lens element in big footpath.Therefore, troublesome poeration, forming as one of expectation structure.
In addition, in RPTV, require cutting down cost, thereby more parts use plastic molded component.Especially, owing to keep mirror body, lens barrel and the lens ball frame etc. of a plurality of lens or prism etc. to require high precision, manufacturing cost height, the therefore parts that use plastic material to utilize die forming to make usually.
In addition, the block of lense that is made of a plurality of lens elements is kept by lens barrel all the time.This lens barrel is formed with stage portion at inner peripheral surface.Stage portion have the surface of contact parallel with the optical axis at the center that is used for the correcting lens element with the vertical surface of contact of optical axis that carries out in the location of optical axis direction.And, in order to assemble a plurality of lens elements, in a plurality of stage portion that are formed with in interior week of lens barrel.Therefore, need processing critically or form lens barrel, thus the cost height of lens barrel.
In addition, when after each lens element is assembled in lens barrel, measure by inspection or the MTF that carries out projection exploring power, under the dysgenic situation of having found to cause because of light shaft offset, take off lens element from lens barrel, re-assembly once more, the operation of readjusting.
Therefore, be well known that each lens element is adhesively fixed in the lens combination assemble method (patent documentation 3) of the front and back of spaced ring.In this assemble method, at the front and back of the spaced ring configuration lens element of centering not, carry out the adjustment of optical axis integration etc., the gap coating adhesive between lens element and spaced ring carries out temporary fixed then.Temporary fixed block of lense inserts in the mould, at this with the full Zhou Jinhang insert molding of resin to block of lense, thereby make resinous lens barrel in the periphery of block of lense.
Patent documentation 1: the open patent 2003-114479 of Japan communique
Patent documentation 2: the open patent 2000-187274 of Japan communique
Patent documentation 3: the clear 59-68710 communique of Japan's open patent
But, in the method for patent documentation 3, owing in mould, around block of lense, inject molten resin, the trouble of lens element or spaced ring fusion when therefore existing temperature when the melt temperature of the material of lens element or spaced ring and the molten resin of injection identical or lower than it.Especially, the trouble of existence generation following problems etc.: when having made lens element or spaced ring with plastic material, thus a part of fusion offset.
In addition, because lens element is not positioned, therefore to feel relieved in spaced ring and adjust this operation be extremely difficult operation to the lens element mounting of will not feel relieved in the front and back of spaced ring.
Summary of the invention
The present invention has considered the problems referred to above and has made, its purpose is to provide and can irrespectively makes with the material of lens element, in addition, with the block of lense of adjusting the integrative-structure that assemble method that operation also can carry out easily makes, use its lens keeper and use its projector, and the method for making of the block of lense that can adjust operation easily is provided and uses its anchor clamps.
In order to reach above-mentioned purpose, block of lense of the present invention constitutes in such a way: by make butt between part or all a plurality of lens elements that constitute optical system along a direction of optical axis direction by predetermined order, interval to each lens element positions, the position at least three positions making progress last week of the periphery of the contact site that between each lens element, contacts coating adhesive respectively then, thereby can operate described a plurality of lens element integratedly, and described each lens element forms, the adjacent lenses element has same diameter, or the lens element that is in the downstream of the direction of inserting anchor clamps in the adjacent lenses element to compare with the lens element that is in upstream side be path.
In addition, when inserting between the lens element in a part under the situation of this structure of spaced ring, as long as the contact site between lens element, and lens element and spaced ring between the position coating adhesive respectively at least three circumferential positions in the outside of contact site, thereby can operate described a plurality of lens element integratedly and spaced ring gets final product.As the position of coating adhesive, preferred circumferential grade is cut apart the position.
In addition, under the situation of making such block of lense, preferably use the anchor clamps of lens barrel shape.As anchor clamps, get final product so long as be provided with the member of following structure: each lens element makes it become the predetermined tube portion that ground inserts of arranging; The support portion, it is arranged at an end of the described direction of insertion in the described tube portion, and supports the lens element that inserts described tube portion at first; A plurality of location are facial, and it is arranged at the inner peripheral surface of described tube portion, and are used to integrate the center of each lens element; And a plurality of peristomes, its position at the described bonding agent of coating connects described tube portion and forms.
In addition, the adjacent lenses element of preferred adjacent lenses element has same diameter, or the lens element that is in the downstream of the direction of inserting anchor clamps in the adjacent lenses element to compare with the lens element that is in upstream side be path so that can from anchor clamps, extract block of lense simply.
Such block of lense remains in the lens keeper, is assembled in goods.The lens keeper possesses block of lense location is remained in the maintaining body of assigned position and is used for the installing mechanism of location and installation in assigned position.Installing mechanism is to be used to be installed on for example mechanism of the assigned position of projector of goods, for example constitutes by Screw retainer etc. to be installed on installation portion on the basket.
As maintaining body, possess: tube portion, part or all of the periphery at least in its covering block of lense; And detent mechanism, it is arranged at described tube portion, and described block of lense is positioned the position on the optical axis direction and the direction of intersecting with optical axis on the position.As the detent mechanism on the optical axis direction in the detent mechanism, as long as by the support portion of the periphery of the direction support of lens piece from optical axis direction be installed on feasible the constituting of block of lense of pushing towards described support portion of upstream side (with a described side end in the opposite direction) of the described direction in the described tube portion by pressure ring.Should preferably be installed on a portion by pressure ring with screw-type.
In addition, can by radially or the linearity by optical axis cut off a plurality of for example two partition members of making and constitute a portion.Under this situation, make up a plurality of partition members from the direction of intersecting with optical axis, utilize fixedly partition member and make a portion of fixed mechanisms such as screw thread retainer then from combinations of directions with respect to block of lense.Under this situation, as long as be provided with from the support portion of the periphery of the other direction support of lens piece opposite with a described direction in the inside of tube portion, and then, as long as the inside of tube portion be provided with near with the inside of tube portion in the opposite other direction of a described direction, the press section of pushing block of lense towards described support portion gets final product.Under this situation, owing to can make support portion and press section integratedly in the lump in tube portion, thus therefore do not use low by the pressure ring cost.
Such lens keeper intactly is used in for example projector of goods.Be used for the lens keeper with detent mechanism location and be fixed in the fixed mechanism of a part of the basket of projector as long as possess under this situation.
In the manufacture method of the block of lense of one embodiment of the present invention, lens element inserted make it become predetermined arrangement in the anchor clamps cylindraceous, the lens combination of inserting is at first pressed on an end of the direction of insertion of anchor clamps, from a plurality of peristomes that are provided with in the periphery of anchor clamps, thus to the position at least three positions that make progress in week in the outside of the contact of the contact site between lens element respectively coating adhesive make.
In addition, under the situation of having inserted this structure of spaced ring between the lens element, as long as between between lens element, and the position at least three circumferential positions in the outside of the contact site of lens element and spaced ring coating adhesive respectively.
In addition, anchor clamps of the present invention are provided with: each lens element makes it become the predetermined tube portion that ground inserts of arranging; The support portion, it is arranged at an end of the described direction of insertion in the described tube portion, and supports the lens element that inserts described tube portion at first; A plurality of location are facial, and it is arranged at the inner peripheral surface of described tube portion, and are used to integrate the center of each lens element; And a plurality of peristomes, its position at the described bonding agent of coating connects described tube portion and forms.In addition, carry out the off-centre adjustment of each lens element owing to also can be bonding before for example insert anchor clamps rod etc., so can adjust simply from peristome.
(effect of invention)
According to block of lense of the present invention as can be known, owing to make between a plurality of lens elements or comprising under the state of butt between a plurality of lens elements of spaced ring,, therefore make simple be adhesively fixed a plurality of contact sites of periphery of bonding agent.In addition, even the different lens element of material also can be integrally manufactured.And then, under the situation of using anchor clamps to make,, therefore can make accurately owing to can locate predetermined interval reliably.In addition, carry out off-centre adjustment owing to can be bonding before for example insert anchor clamps rod etc., so also can carry out inching simply from peristome.In addition, at the lens keeper that uses block of lense and use in the invention of projector of this lens keeper,, therefore easy and simple to handle because block of lense is structure as a whole.
In addition, according to the present invention as can be known, owing to each lens element butt is positioned, and at the bonding structure that becomes one then of position coating at least three circumferential positions of the periphery at the position of contact, make between a plurality of lens elements or comprise between a plurality of lens elements of spaced ring and become predetermined interval, therefore make simple.In addition, bonding owing to only carrying out, even therefore the different lens element of material also can be done into a single integrated structure.In addition, by using anchor clamps, it is simple that the location of optical axis alignment becomes.And then, according to anchor clamps of the present invention as can be known, owing to can insert each lens element in tube portion, carry out each lens element in optical axis direction and location radially, therefore for example can be before bonding for example insert anchor clamps rod etc. inching is carried out in the off-centre adjustment of each lens element from peristome, thereby, also can carry out trickle adjustment easily.
Description of drawings
Fig. 1 is the key diagram of the structure of expression rear projector;
Fig. 2 is the summary section of expression projecting lens;
Fig. 3 is the stereographic map of first lens combination of the expression part that constitutes projecting lens and the anchor clamps that use when forming it into integrative-structure;
Fig. 4 is the sectional view that is illustrated in the state that has inserted each lens element that constitutes first lens combination in the anchor clamps;
Fig. 5 is the process flow diagram that the order of anchor clamps making is used in expression;
Fig. 6 is the state of first lens combination has been taken out in expression from anchor clamps a stereographic map;
Fig. 7 be between the bonding lens of expression the time an example want portion's sectional view;
Fig. 8 be between the bonding lens of expression the time other example want portion's sectional view.
Embodiment
As shown in Figure 1, rear projector 10 possesses: the rear screen 11 that image is carried out the transmission-type of projection; Generate the projector unit 12 that image light penetrates by illumination light; And the back side mirror 13 that will reflect towards rear screen 11 from the image light that projector unit 12 penetrates.
As shown in Figure 2, rear projector unit 12 possesses projecting lens 15 and image light generating unit 16.Image light generating unit 16 generates image light by accepting illumination light and carrying out optical modulation, and described illumination light is to carried out the illumination light of homogenising from the energy distribution of the illumination light of light source irradiation with light-guiding mechanisms such as column type integrators.The image light projection that projecting lens 15 will be generated by image light generating unit 16 is in rear screen 11.
Projecting lens 15 is made of first lens combination 17, light path bending mirror 18 and second lens combination 19.Second lens combination 19 has the parallel primary optical axis 19a of access path with the image light that penetrates from image light generating unit 16.Light path bending mirror 18 is level crossings, and is arranged between first lens combination 17 and second lens combination 19.The primary optical axis 19a bending of the image light that light path bending mirror 18 will be synthesized by color is the acute angle for example of the angle beyond the right angle.First lens combination 17 is along opposed towards setting with back side mirror 13.Also have, also can not use light path bending mirror 18 and the use prism.
Second lens combination 19 is made of a plurality of lens element L1～L8 that dispose successively from rear screen 11 sides.Lens element L1 is wherein kept by optical system maintaining part 21, and the lens element L2～L8 of the part of remaining formation second lens combination is kept by second lens frame 22.These second lens frame, 22 positioning and fixing are in optical system maintaining part 21.
As shown in Figure 3, first lens combination 17 is to dispose first lens element 30, first spaced ring 31, second to the 4th lens element 32～34, second spaced ring 35, the 5th lens element 36, the 3rd spaced ring 37, and the structure of the 6th lens element 38 successively from rear screen 11 sides, and they utilize the anchor clamps 40 of lens barrel shape to be made into integrative-structure.Also have, as shown in Figure 3, the diameter of first lens element 30 of globe lens is very big before the conduct of the projecting lens 5 that rear projector is used.Therefore, integral structure is easier when assembling.
Each lens element 30,32～34,36,38 is in the state after the centering, and becomes path successively gradually from rear screen 11 sides.Thereby the inner face of anchor clamps 40 also becomes the drum of bust towards the rear.Also have,, can use the element of same diameter, also can constitute by the lens element of same outer diameter as at the adjacent lenses element as first lens combination 17.
These anchor clamps 40 have the tube portion 39 that is used to insert each lens element 30,32～34,36,38 and spaced ring 31,35,37.In the interior week of tube portion 39, as shown in Figure 4, be formed with a plurality of stage portion along optical axis 18a at the inner peripheral surface of tube portion.The front-back parallel with optical axis 18a that constitutes each stage portion is to join with the periphery of each lens element 30,32～34,36,38 and spaced ring 31,35,37, and is used to integrate the locating surface of position at their center.In addition, the periphery at anchor clamps is provided with the peristome 41 that penetrates into inner face.Peristome 41 and each lens element 32～34 between and be equivalent to for example position cut apart of 4 five equilibriums of the periphery of the position between lens element 30,32,34,36,38 and the spaced ring 31,35,37 and circumferential a plurality of positions, form respectively with circular.And then, be formed with at the rear, inside of tube portion 39 and contact with the periphery of the back of the 6th lens element 38 that inserts at first and support the support portion 43 of this lens element 38.
Assembling is inserted anchor clamps 40 successively with each lens element 30,32～34,36,38 and spaced ring 31,35,37 as shown in Figure 5 from the rear.At this moment, for example by aluminium or metal material under the situation of anchor clamps 40, produce the trouble of damages in existing in the face of the periphery of each lens element 30,32～34,36,38 etc.Therefore, preferably the inner face of anchor clamps 40 is implemented テ Off ロ Application (registered trademark) processing.
Insert after the anchor clamps 40, the pressing member 42 that is used as anchor clamps is pushed the front of first lens combination 17 (faces of rear screen 11 sides) 30a.As this pressing member 42, with annular member push its periphery front with first lens combination 17 is joined this operates in the scope that projected light passes through and does not produce damage, be preferred therefore.Thus, with regard to each lens element 30,32～34,36,38, and support portion 43 between, 30,32～34,36,38 of each lens elements, and lens element 30,32～34,36,38 and spaced ring 31,35,37 between ground very close to each other butt.
Under the state of pushing by pressing member 42, make a plurality of lens elements 30,32～34,36,38 and spaced ring 31,35,37 integrated.During injection, can use a plurality of injectors once to inject, also can be for example separately inject from the leu of the peristome 41 of front side.Also have,, preferably use bonding agents such as uv curing resin as bonding agent.Under this situation, because irradiation ultraviolet radiation, bonding agent solidifies, and therefore can shorten set time.
After bonding agent solidifies, as shown in Figure 6, from anchor clamps 40, take out first lens combination 17 along the direction of optical axis 18a.Therefore first lens combination 17 of taking out can operate integratedly owing to utilize gap, and the gap of lens element 30,32～34,36,38 and spaced ring 31,35,37 of 30,32～34,36,38 of bonding agent 45 stationary lens elements.Also have, when after from anchor clamps 40, taking out, when carrying out fine off-centre adjustment etc., can be after off-centre be adjusted, using anchor clamps 40 to be coated with between the position of bonding agent the full coating adhesive that appends with fixing more firmly allly.In addition, though under unregulated situation by complete cycle is applied bonding agent, fixing between them also strengthened.
When 30,32～34,36,38 of bonding lens elements, should be noted that the protuberance of bonding agent.For example, as shown in Figure 7, under the big situation of the difference of the diameter of 32,33 of adjacent lenses elements, because the periphery periphery of the lens element 32 of butt side and also big by the gap between the periphery of the periphery 51 of the lens element 33 of butt side, therefore the bonding agent of protuberance is accommodated in the described gap reliably, is not stuck in inner face when taking out.But, shown in 33,34 of adjacent lenses elements, under the little situation of the difference of diameter, because the periphery periphery of the lens element 32 of butt side and also little by the gap between the periphery of the periphery 51 of the lens element 33 of butt side, therefore make chamfered section 50 at the periphery of the lens element 33 of butt side, increase this chamfered section 50 and by the gap between the periphery of the periphery 51 of the lens element 34 of butt side for well.Thus, the bonding agent of protuberance since with first lens combination 17 when anchor clamps 40 take out, therefore the space of the lens element 33 in the big footpath by taking out the place ahead is not stuck in anchor clamps 40 inner faces.Also have, even be coated with a large amount of bonding agents, because butt between lens element, so bonding agent does not drain to inboard (optical axis side) from the contact site between lens element 52 yet.In addition, as the shape of contact site 52, can be support side on section for face, push the some contact shape of Fang Weidian, also can be the face contact shape that contacts between face.
In addition, in the above-described embodiment, though constitute, but as shown in Figure 8, at adjacent lenses element the 60, the 61st, during identical footpath, if swell coating adhesive 62, bonding agent 62 is stuck in the inner face of anchor clamps when then taking out, or block of lense does not break away from from anchor clamps.Also have, make the trouble that chamfered section is also swelled even exist.Therefore, under this situation,, form groove 63 from peristome 41 along removing direction, make bonding agent 62 by for well by this groove in the interior week of anchor clamps.Certainly, the protuberance of bonding agent 62 need be subjected to being accommodated in the interior limitation in height of the degree of depth of groove 63.In addition, make the bottom surface 63a of groove 63 expand, then extract easily towards removing direction if form taper.
When the interval of spaced ring 31,35,37 between the lens element of adjacency is big, in addition, when differing widely, uses the external diameter of the lens element of adjacency.As the shape of the abutting part of this spaced ring 31,35,37 and lens element 30,32～34,36,38, also preferably be the shape of face contact or some contact at section.
Along a direction of the direction of optical axis 18 by big footpath, than it little path, under the situation of the structure of the block of lense of the series arrangement lens element in big big footpath, can't in the anchor clamps 40 of one, take out block of lense than it.Under these circumstances, suit to constitute anchor clamps by the separation mould that radially is divided into two.At this moment, preferably give the taking-up gradient to the periphery of each lens.Also have, be not limited to two and cut apart mould, also can be by the molded anchor clamps of doing of cutting apart more than three.
Also having, is under the situation of the integrative-structure that is not made of partition member in first lens holding frames 20, and first lens combination 17 is inserted tube portions from the lens element 38 of path.Thus, the lens element that constitutes the part in first lens combination 17 contacts with the stage portion 20a that forms in interior week in first lens holding frames 20, carries out the location on the direction of optical axis 18a.Also have, the part of the periphery that the location that the center that makes first lens combination 17 and optical axis 18a align certainly can be by making first lens combination 17 contacts with the part of the inner face of first lens holding frames 20 carries out.Then, with the fixed mechanism fixed lens piece and first lens holding frames 20.As this fixed mechanism, as long as first lens element 30 of an end of the direction that use bonding agent or stopping wheel etc. will be opposite with direction of insertion is fixed in first lens holding frames 20.
The size of the rear screen 11 of rear projector 10 is different sometimes.Under this situation, because picture dimension and change because of screen size from the distance of screen, therefore use focal length, reach the different optical system in focal position, but can will can regulate the optical system of focal length and focal position, use as the optical system of a part simultaneously.Under the situation of present embodiment,, can be that first lens combination 17 is used as the optical system that can regulate focal length and focal position simultaneously with block of lense by first lens holding frames of using lens position to change by screen size.In addition, also can utilize maintenance first lens holding frames 20 such as helicoid mechanism and guarantee that it is free to advance or retreat along optical axis 18a direction, regulate focal length and focal position.
In addition, has the structure that 30,32～34,36,38 of lens elements and lens element 30,32,34,36,38 and spaced ring 31,35,37 is bonding as first lens combination 17 of block of lense, but also can be not use spaced ring 31,35,37, and the structure between only bonding lens element, in addition, also can be the structure of between all lens elements, having inserted spaced ring.
And then, also can be that a plurality of lens elements are assembled in lens barrel that the accurate goods of making use and predetermined fixed, when being adhered to other lens element, uses this lens barrel described anchor clamps 40 and the structure of making.And then described first lens element 30 is to have engaged the resin lamination lens that glassy layer and synthetic resin layer form.Even except such material, by the lens element of the plastic material beyond the glass,, work do not give the integrative-structure that high heat is only used bonding agent in the present invention because becoming yet, therefore, there is not a bit problem.
In addition, in the above-described embodiment, the projector that uses light path bending mirror has been described, but the present invention is not limited thereto, also can be applied to not use the rear projector of light path bending mirror or the projector of projection or camera, and duplicating machine etc. are carried out in the front of screen, use the optical device of optical system.
Claims (9)
1. a block of lense is characterized in that,
Constitute in such a way: by make butt between part or all a plurality of lens elements that constitute optical system along a direction of optical axis direction by predetermined order, interval to each lens element positions, coating adhesive is distinguished in the position at least three positions that make progress in the week of the periphery of the contact site that contacts between each lens element then, thereby can operate described a plurality of lens element integratedly
And described each lens element forms, and the adjacent lenses element has same diameter, or the lens element that is in the downstream of the direction of inserting anchor clamps in the adjacent lenses element to compare with the lens element that is in upstream side be path.
2. a block of lense is characterized in that,
Constitute in such a way: by make part or all a plurality of lens elements that constitute optical system along a direction of optical axis direction by predetermined order, with the spaced ring butt that the interval of lens element of a part is wherein positioned, interval to each lens element positions, then between each lens element, and coating adhesive is distinguished in the position at least three positions that make progress in week of the periphery of the contact site that contact with spaced ring of lens element, thereby can operate described a plurality of lens element integratedly
And described each lens element forms, and the adjacent lenses element has same diameter, or the lens element that is in the downstream of the direction of inserting anchor clamps in the adjacent lenses element to compare with the lens element that is in upstream side be path.
3. block of lense as claimed in claim 1 or 2 is characterized in that,
Use following anchor clamps to be made, promptly described anchor clamps possess: each lens element makes it become the described tube portion that ground inserts of arranging; The support portion, it is arranged at an end of the described direction of insertion in the described tube portion, and supports the lens element that inserts described tube portion at first; A plurality of location are facial, and it is arranged at the inner peripheral surface of described tube portion, and are used to integrate the center of each lens element; And a plurality of peristomes, its position at the described bonding agent of coating connects described tube portion and forms.
4. lens keeper, it keeps it is characterized in that possessing as any described block of lense in the claim 1～3:
Tube portion, it covers periphery at least in the described block of lense part or all; And
Maintaining body, it is arranged at described tube portion, and described block of lense location remained in the position on the optical axis direction and the direction of intersecting with optical axis on the position.
5. projector, it uses lens keeper as claimed in claim 4, it is characterized in that,
Possess fixed mechanism, described fixed mechanism is used for described lens keeper location and is fixed in assigned position making described block of lense constitute the part of projecting lens.
6. the manufacture method of a lens maintainance block, this lens maintainance block is made of part or all a plurality of lens elements that constitute optical system, contacts by making between each lens element, and the interval of each lens element is positioned, the manufacture method of this lens maintainance block is characterised in that, comprising:
The anchor clamps that described lens element inserted the lens barrel shape make it become the step of predetermined arrangement;
The lens combination of inserting is at first pressed on the step of an end of the direction of insertion of anchor clamps;
Then, from a plurality of peristomes that the periphery along anchor clamps is provided with, distinguish the step of coating adhesive at least to the position at three positions that make progress in the week in the outside that makes the contact site that contacts between described lens element.
7. the manufacture method of a lens maintainance block, this lens maintainance block is by the contact between each lens element, and the contacting of lens element and spaced ring, to constitute optical system part or all a plurality of lens elements and the spaced ring that the interval of this a part of lens element positions positioned, the manufacture method of this lens maintainance block is characterised in that, comprising:
Make it become the step of predetermined arrangement the anchor clamps of described lens element and spaced ring insertion lens barrel shape;
The lens combination of inserting is at first pressed on the step of an end of the direction of insertion of anchor clamps;
Then, from the peristome that is provided with in the periphery of anchor clamps, between between described lens element, and described lens element and spaced ring between at least three circumferential positions step of coating adhesives respectively in the outside of contact site.
8. as the manufacture method of lens maintainance block as described in claim 6 or 7, it is characterized in that,
Described anchor clamps possess: the tube portion that each lens element inserts by the order that becomes described arrangement; The support portion, it is arranged at an end of the described direction of insertion in the described tube portion, and supports the lens element that inserts described tube portion at first; A plurality of location are facial, and it is arranged at the inner peripheral surface of described tube portion, and are used to integrate the center of each lens element; And a plurality of peristomes, it is formed on the position of the described bonding agent of coating.
9. anchor clamps, it uses when making block of lense, and described block of lense is by making part or all a plurality of lens elements that constitute optical system along a direction butt of optical axis direction by predetermined order, and the interval of each lens element is positioned, it is characterized in that possessing:
The tube portion that each lens element inserts by the order that becomes described arrangement; The support portion, it is arranged at an end of the described direction of insertion in the described tube portion, and supports the lens element that inserts described tube portion at first; A plurality of location are facial, and it is arranged at the inner peripheral surface of described tube portion, and are used to integrate the center of each lens element; And a plurality of peristomes, between it is formed between described lens element, and described lens element and spaced ring between the position at least three circumferential positions in the outside of contact site, be used for from outside coating adhesive.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005286063 | 2005-09-30 | ||
| JP2005286063A JP2007094241A (en) | 2005-09-30 | 2005-09-30 | Lens block, lens holder for holding the same, and projector using the same |
| JP2005286064 | 2005-09-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1940616A CN1940616A (en) | 2007-04-04 |
| CN100465686C true CN100465686C (en) | 2009-03-04 |
Family
ID=37958960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101414739A Expired - Fee Related CN100465686C (en) | 2005-09-30 | 2006-09-29 | Lens block, lens, holder for holding the lens block, and projector using the lens holder |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2007094241A (en) |
| CN (1) | CN100465686C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102472878A (en) * | 2009-08-28 | 2012-05-23 | 三洋电机株式会社 | Lens module, image-capturing device, and method for manufacturing lens module |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5349855B2 (en) * | 2008-07-03 | 2013-11-20 | Ｈｏｙａ株式会社 | Lens barrel |
| JP2010085716A (en) * | 2008-09-30 | 2010-04-15 | Fujinon Corp | Lens assembly and image capturing apparatus |
| JP5320461B2 (en) | 2009-04-06 | 2013-10-23 | パナソニック株式会社 | Lens unit |
| EP2592457B1 (en) | 2010-07-07 | 2019-09-04 | Panasonic Intellectual Property Corporation of America | Lens unit |
| CN102928946B (en) * | 2011-08-11 | 2016-04-20 | 鸿富锦精密工业（深圳）有限公司 | Camera lens module |
| JP6050087B2 (en) * | 2012-10-30 | 2016-12-21 | 日本電産サンキョー株式会社 | Lens unit and lens unit manufacturing method |
| CN110114708A (en) * | 2016-12-28 | 2019-08-09 | 奥林巴斯株式会社 | The manufacturing method of relay lens and relay lens |
| WO2019026449A1 (en) * | 2017-07-31 | 2019-02-07 | 日本電産株式会社 | Light-shielding blade, blade drive device, and imaging device |
| WO2019026448A1 (en) * | 2017-07-31 | 2019-02-07 | 日本電産株式会社 | Light-shielding blade, blade drive device, and imaging device |
| CN110945424A (en) * | 2017-07-31 | 2020-03-31 | 日本电产株式会社 | Light-blocking blade, blade drive device, and imaging device |
| EP3706261B1 (en) * | 2017-10-31 | 2021-12-22 | Mitsubishi Electric Corporation | Laser light source device and production method therefor |
| CN107748436A (en) * | 2017-11-14 | 2018-03-02 | 歌尔科技有限公司 | Eyepiece and wear display device |
| JP7169517B2 (en) * | 2018-01-10 | 2022-11-11 | カシオ計算機株式会社 | Optical device, projection device, and method for manufacturing optical device |
| JP7013893B2 (en) * | 2018-01-30 | 2022-02-01 | セイコーエプソン株式会社 | Projection lens and projector |
| JP7129933B2 (en) | 2019-02-28 | 2022-09-02 | 富士フイルム株式会社 | Projection lens and projection device |
| JP2023035048A (en) * | 2021-08-31 | 2023-03-13 | 日本電気硝子株式会社 | lens unit |
| JP2023035047A (en) * | 2021-08-31 | 2023-03-13 | 日本電気硝子株式会社 | lens unit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0451105A (en) * | 1990-06-19 | 1992-02-19 | Ricoh Co Ltd | Lens frame, lens incorporating jig, and method for incorporating lens in lens frame |
| CN1116315A (en) * | 1994-07-30 | 1996-02-07 | 张转运 | Three-group three-piece projection lens |
| US5774282A (en) * | 1995-08-10 | 1998-06-30 | Asahi Kogaku Kogyo Kabushiki Kaisha | Apparatus for adjusting lens position in focal length variable lens |
| CN1407388A (en) * | 2001-09-06 | 2003-04-02 | 奥林巴斯光学工业株式会社 | Lens tube |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62153908A (en) * | 1985-12-27 | 1987-07-08 | Ricoh Co Ltd | Lens unit |
| JP2521587Y2 (en) * | 1993-01-22 | 1996-12-25 | 株式会社栃木ニコン | Lens barrel |
| JPH11344657A (en) * | 1998-06-01 | 1999-12-14 | Sony Corp | Assembly of lenses and its assembling method |
| JP2002251769A (en) * | 2001-02-26 | 2002-09-06 | Asahi Optical Co Ltd | Optical recording lens assembly and its manufacturing method |
| JP3985466B2 (en) * | 2001-06-07 | 2007-10-03 | フジノン株式会社 | Endoscope lens device |
| DE60239078D1 (en) * | 2001-12-14 | 2011-03-10 | Raytheon Co | PRECISE ADJUSTED LENS STRUCTURE AND A METHOD FOR THE MANUFACTURE THEREOF |
| JP4129154B2 (en) * | 2002-08-26 | 2008-08-06 | オリンパス株式会社 | Imaging module |
| JP2004212822A (en) * | 2003-01-07 | 2004-07-29 | Tamron Co Ltd | Lens barrel |
| JP2004347646A (en) * | 2003-05-20 | 2004-12-09 | Chinontec Kk | Lens barrel for projector device and projector device |
| JP2006023668A (en) * | 2004-07-09 | 2006-01-26 | Sony Corp | Manufacturing method for combination lens and combination lens |
-
2005
- 2005-09-30 JP JP2005286063A patent/JP2007094241A/en not_active Abandoned
-
2006
- 2006-09-29 CN CNB2006101414739A patent/CN100465686C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0451105A (en) * | 1990-06-19 | 1992-02-19 | Ricoh Co Ltd | Lens frame, lens incorporating jig, and method for incorporating lens in lens frame |
| CN1116315A (en) * | 1994-07-30 | 1996-02-07 | 张转运 | Three-group three-piece projection lens |
| US5774282A (en) * | 1995-08-10 | 1998-06-30 | Asahi Kogaku Kogyo Kabushiki Kaisha | Apparatus for adjusting lens position in focal length variable lens |
| CN1407388A (en) * | 2001-09-06 | 2003-04-02 | 奥林巴斯光学工业株式会社 | Lens tube |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102472878A (en) * | 2009-08-28 | 2012-05-23 | 三洋电机株式会社 | Lens module, image-capturing device, and method for manufacturing lens module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1940616A (en) | 2007-04-04 |
| JP2007094241A (en) | 2007-04-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100465686C (en) | Lens block, lens, holder for holding the lens block, and projector using the lens holder | |
| US20070076309A1 (en) | Lens block, lens, holder for holding the lens block, and projector using the lens holder | |
| JP4789564B2 (en) | Lens block manufacturing method and jig used therefor | |
| JP6393046B2 (en) | Wide-angle lens unit | |
| US6597516B2 (en) | Lens frame structure for optical axis adjustment | |
| US7684132B2 (en) | Lens barrel, method for fixing lens, and working apparatus for fixing lens | |
| US7327527B2 (en) | Lens supporting frame of lens device and method of adjusting the same | |
| CN100397131C (en) | Lens holder, lens-centering device and method of centering lens | |
| JP2007065017A (en) | Lens holding barrel | |
| US8300332B2 (en) | Lens mounting assembly and method of aligning lenses in a mounting assembly | |
| JP2007187776A (en) | Lens device and lens holding method | |
| JP2008197282A (en) | Plastic lens unit, camera module and method for manufacturing them | |
| CN109633849A (en) | Photographic device | |
| US20140168796A1 (en) | Image pickup lens unit manufacturing method and image pickup lens unit | |
| KR102290916B1 (en) | Lens module and capturing module intergrating focusing mechanism and assembly method therefor | |
| US7586697B2 (en) | Lens device and lens holding method | |
| TW201804193A (en) | Optical unit | |
| CN104024904A (en) | Lens, lens unit, and lens manufacturing method | |
| US7158322B2 (en) | Lens device and method for adjusting the same | |
| JP2009300626A (en) | Optical glass lens set and manufacturing method thereof | |
| JP2016051076A (en) | Barrel and imaging device | |
| CN110095927B (en) | Projection lens and projector | |
| CN114076999A (en) | Periscopic camera module | |
| JPS5968710A (en) | Assembling method of lens system | |
| JPH08327869A (en) | Eccentricity adjusting method for lens barrel and lens system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090304 Termination date: 20210929 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |