CN100582839C - Lens module and camera module group - Google Patents
Lens module and camera module group Download PDFInfo
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- CN100582839C CN100582839C CN200610060937A CN200610060937A CN100582839C CN 100582839 C CN100582839 C CN 100582839C CN 200610060937 A CN200610060937 A CN 200610060937A CN 200610060937 A CN200610060937 A CN 200610060937A CN 100582839 C CN100582839 C CN 100582839C
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- moving plate
- driver part
- forerunner
- camera lens
- lens module
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- 230000003287 optical effect Effects 0.000 claims abstract description 15
- 239000004020 conductor Substances 0.000 claims description 27
- 238000009434 installation Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 4
- 238000002834 transmittance Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Images
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- Lens Barrels (AREA)
Abstract
The invention discloses a lens mould, which comprises the following parts: at least one lens, at least one first driving part to drive the lens to move along optical axle toward object side, at least one second driving part to drive lens to move along optical axle towards object side, wherein the first and second driving parts contains front driving piece and back driving piece from object side to image side; the heat bulking factor of back driving piece of the first driving part is more than the heat bulking factor of front driving piece; the heat bulking factor of front driving piece of the second driving par is more than the heat bulking factor of back driving piece. The invention also provides a mould of the lens mould.
Description
Technical field
The Driving technique field that the present invention relates to focus, and relate to a kind of camera lens module and use the camera module of this camera lens module.
Background technology
Along with the development of camera technique, the camera module is widely used in the camera head of various uses, and combining of camera module and various portable electron devices such as mobile phone, video camera, computer etc. obtains numerous consumers' favor especially.
The camera module generally includes a CD-ROM drive motor, at least one camera lens module and a photo-sensitive cell that is oppositely arranged with described camera lens module by drive motor.The camera lens module can comprise one or more eyeglasses, and described eyeglass and photo-sensitive cell are oppositely arranged, and the central point of photo-sensitive cell is positioned on the optical axis of these one or more eyeglasses.During focusing,, seek the focusing position (position of finding a view) of a tool optimum resolution with drive motor lens group and photo-sensitive cell relative displacement.During zoom, with the distance between the eyeglass in the CD-ROM drive motor moving lens group, or when a plurality of lens group, the distance between the moving lens group, thus reach the purpose of zoom.
Yet CD-ROM drive motor often takies bigger space, and cost is expensive, causes and utilizes the camera lens module and the camera module volume of drive motor focusing bigger, can't satisfy compact demand, and cost is inevitable bigger.
In view of this, provide a kind of volume that reduces, the camera lens module that reduces production costs, and use the camera module of this camera lens module to be necessity in fact.
Summary of the invention
Below, will a kind of camera lens module be described with embodiment;
And a kind of camera module is described by embodiment.
A kind of camera lens module, it comprises at least one eyeglass, at least one drives first driver part that described eyeglass moves along optical axis direction thing side direction, and at least one drives second driver part that described eyeglass moves as side direction along optical axis direction, described first driver part and second driver part comprise respectively one from the thing side to as folded in regular turn forerunner's moving plate and the rear-guard moving plate of establishing of side direction, the rear-guard moving plate thermal expansivity of described first driver part is greater than forerunner's moving plate thermal expansivity, and forerunner's moving plate thermal expansivity of described second driver part is greater than rear-guard moving plate thermal expansivity.
A kind of camera module, it comprises at least one above-mentioned camera lens module, and a photo-sensitive cell that is oppositely arranged with described camera lens module.
Compared with prior art, described camera lens module drives eyeglass respectively by at least one first driver part and second driver part and moves along optical axis direction thing side direction and as side direction, described first driver part and second driver part have respectively from the thing side to folding forerunner's moving plate and the rear-guard moving plate of establishing in regular turn as side direction, and the rear-guard moving plate thermal expansivity of described first driver part is greater than forerunner's moving plate thermal expansivity, and forerunner's moving plate thermal expansivity of described second driver part is greater than rear-guard moving plate thermal expansivity.So design, when described first driver part is subjected to necessarily heat driving, thereafter the driving chip elongation will be greater than front wheel driving sheet elongation, force forerunner's moving plate and eyeglass to move to the thing side direction, and be subjected to hot driver hour at described first driver part, its forerunner's moving plate and rear-guard moving plate thermal expansion degree reduce, and return thereby can drive eyeglass.When described second driver part is subjected to necessarily heat driving, its forerunner's moving plate elongation will be greater than rear drive sheet elongation, force rear-guard moving plate and eyeglass to moving as side direction, and be subjected to hot driver hour at described second driver part, its forerunner's moving plate and rear-guard moving plate thermal expansion degree reduce, and return thereby forerunner's moving plate and rear-guard moving plate can drive eyeglass.So eyeglass just can move forward and backward along optical axis direction thing side direction or as side direction, thereby can focus associative operation.The camera lens module that present embodiment provides need not to use the mode of common motor driven focusing, thereby can reduce volume, reduces production costs, and can reduce the vibrations that eyeglass is brought by motor driven, the camera module can be had take quality preferably.
Description of drawings
Fig. 1 is the camera lens module diagrammatic cross-section that embodiments of the invention provide.
Fig. 2 be in the camera lens module that provides of embodiments of the invention a plurality of first driver parts and a plurality of second driver part in the distribution schematic top plan view of eyeglass periphery.
Fig. 3 is that first driver element of drive unit in the camera lens module that provides of embodiments of the invention and the circuit of second driver element connect the control schematic top plan view.
Fig. 4 is the duty schematic perspective view that eyeglass is subjected to first drive unit drives in the camera lens module that provides of embodiments of the invention.
Fig. 5 is the duty schematic perspective view that eyeglass is subjected to second drive unit drives in the camera lens module that provides of embodiments of the invention.
Fig. 6 is the camera module diagrammatic cross-section that embodiments of the invention provide.
Embodiment
Below in conjunction with accompanying drawing camera lens module provided by the invention and camera module are described in further detail.
See also Fig. 1 to Fig. 3, the camera lens module 1 that embodiments of the invention provide comprises a lens barrel 10 cylindraceous, is placed in an eyeglass 20 in the described lens barrel 10, and is used to drive eyeglass 20 along optical axis direction thing side direction or the drive unit 30 that moves as side direction.
Described eyeglass 20 can be spheric glass or aspherical lens, and described eyeglass 20 comprises a transmittance section 201 and the installation portion 202 that 201 peripheries radially extend from the transmittance section.
Described drive unit 30 comprises the fixed part 30a of an annular, and extended one first driver element 31 of this fixed part 30a inwall and one second driver element 32 certainly.Described first driver element 31 comprises four first driver parts 310, and described second driver element 32 comprises four second driver parts 320.Each first driver part 310 of described first driver element 31 all have one from the thing side to as folded in regular turn forerunner's moving plate 311 and the rear-guard moving plate of establishing 312 of side direction, the thermal expansivity of this rear-guard moving plate 312 is greater than the thermal expansivity of this forerunner's moving plate 311; Each second driver part 320 of described second driver element 32 all have one from the thing side to as folded in regular turn forerunner's moving plate 321 and the rear-guard moving plate of establishing 322 of side direction, the thermal expansivity of this forerunner's moving plate 321 is greater than the thermal expansivity of this rear-guard moving plate 322.Described fixed part 30a outer wall and described lens barrel 10 internal face secure fit, described four first driver parts 310 and four second folded in regular turn forerunner's moving plate 311,321 and the rear-guard moving plates of establishing 312,322 of driver part 320 all have length L, one end of its length L all extends from this fixed part 30a inwall, and the other end is all fixedlyed connected with the installation portion 202 of described eyeglass 20.Described four first driver parts 310 distribute alternately in installation portion 202 peripheries of described eyeglass 20 with described four second driver parts 320, and the circular arc angle α that forms between adjacent two driver parts 310,320 all equates.
Described four first driver parts 310 and four second driver parts 320 are fixedlyed connected with the installation portion 202 of described fixed part 30a internal face and eyeglass 20 and can be adopted gummed mode or one ejection formation (insert molding) mode to form.Forerunner's moving plate 311,321 of described first driver part 310 and second driver part 320 and rear-guard moving plate 312,322 are rectangular laminar, have flexible.The forerunner's moving plate 311,321 and the rear-guard moving plate 312,322 of described first driver part 310 and second driver part 320 can adopt metal, pottery or its compound substance, and metal, pottery or its compound substance can have electric conductivity.In the present embodiment, the forerunner's moving plate 311,321 and the rear-guard moving plate 312,322 of described first driver part 310 and second driver part 320 are metal material, forerunner's moving plate 311 of described first driver part 310 is identical with rear-guard moving plate 322 materials of described second driver part 320, for example can select metallic copper for use, the rear-guard moving plate 312 of described first driver part 310 is identical with forerunner's moving plate 321 materials of described second driver part 320, for example can select metallic aluminium for use.
Forerunner's moving plate 311 of described four first driver parts 310 is connected with an electric conductor 313 respectively with rear-guard moving plate 312, and forerunner's moving plate 321 of described four second driver parts 320 is connected with an electric conductor 323 respectively with rear-guard moving plate 322.Described electric conductor 313,323 can be respectively the resistance of connection forerunner's moving plate 311,321 and rear-guard moving plate 312,322; Also can be for one one-body molded with described forerunner's moving plate 311,321, or with rear-guard moving plate 312,322 integrated conductive poles.In the present embodiment, described electric conductor 313,323 is a resistance, each electric conductor 313 is folded in respectively between the forerunner's moving plate 311 and rear-guard moving plate 312 of described first driver part 310, and each electric conductor 323 is folded in respectively between the forerunner's moving plate 321 and rear-guard moving plate 322 of described first driver part 320.Also be folded with a nonconducting insulation course 314 between described each forerunner's moving plate 311 and the rear-guard moving plate 312, also be folded with a nonconducting insulation course 324 between described each forerunner's moving plate 321 and the rear-guard moving plate 322, described insulation course 314,324 is arranged in described electric conductor 313,323 peripheral edge margin respectively.These electric conductor 313 series connection, these electric conductor 323 series connection all electrically connect with a controller 40 again, produce heat and pass to described forerunner's moving plate 311,321 and rear-guard moving plate 312,322.
In above-mentioned, be used to control the controller 40 of described electric conductor 313,323 work, control described electric conductor 313,323 work at times, this controller 40 can electrically connect with the resolution data processing chip (figure does not show) of portable electron device.Each forerunner's moving plate 311,321 of described first driver element 31 and second driver element 32, rear-guard moving plate 312,322, and the electric conductor of being controlled by controller 40 313,323 can adopt following working method:
See also Fig. 4 and Fig. 5, in a period, controller 40 only is communicated with each electric conductor 313 of described first driver element 31, give each electric conductor 313 one the first electric currents, each electric conductor 313 temperature can raise gradually, and with connected forerunner's moving plate 311 of heat transferred and rear-guard moving plate 312, because the thermal expansivity of rear-guard moving plate 312 is greater than the thermal expansivity of forerunner's moving plate 311, therefore rear-guard moving plate 312 elongations will be bigger than forerunner moving plate 311 elongations, force forerunner's moving plate 311 and eyeglass 20 to move, and the second flexible driver part 320 of each tool of second driver element 32 that fixedly connected with described eyeglass 20 this moment also is forced to thing side direction skew (as shown in Figure 4) to the thing side direction.Under the effect of described first electric current, forerunner's moving plate 311 and rear-guard moving plate 312 can arrive to a certain degree in thermal expansion, and eyeglass 20 also is moved the arrival certain position.When eyeglass 20 arrives appointed positions, take as needs, then controller 40 can be controlled and keep giving each electric conductor 313 these electric current.And when shooting finishes, or when needing further focusing, for example need to return certain distance, then controller 40 can be given each electric conductor 313 1 second electric current littler than described first electric current, at this moment, forerunner's moving plate 311 and rear-guard moving plate 312 thermal expansion degree can reduce, and so eyeglass 20 can be moved and return certain distance.And when forerunner's moving plate 311 and rear-guard moving plate 312 returned back to initial volume, eyeglass 20 also was moved go back to the original position.Need this moment to continue when the focusing of picture side direction, controller 40 can be communicated with (controller 40 cut-outs this moment are communicated with each electric conductor 313) with each electric conductor 323 of described second driver element 32, give each electric conductor 323 1 3rd electric currents, the 3rd electric current as required can be identical with described first electric current or second electric current, each electric conductor 323 temperature can raise gradually, and with heat transferred forerunner moving plate 321 and rear-guard moving plate 322, because the thermal expansivity of forerunner's moving plate 321 is greater than the thermal expansivity of rear-guard moving plate 322, therefore forerunner's moving plate 321 elongations will be bigger than rear-guard moving plate 322 elongations, force rear-guard moving plate 322 and eyeglass 20 to moving, and the first flexible driver part 310 of each tool of first driver element 31 that fixedly connected with described eyeglass 20 this moment also is forced to picture side direction skew (as shown in Figure 5) as side direction.
The camera lens module 1 that present embodiment provides by one first driver element 31 and one second driver element 32 drive respectively eyeglass 20 along optical axis direction to the thing side and to moving forward and backward as side, described first driver element 31 comprises four first driver parts 310, described second driver element 32 comprises four second driver parts 320, described four first driver parts 310 and four second driver parts 320 are distributed in eyeglass 20 peripheries spaced reciprocally, each driver part 310,320 all have along eyeglass 20 optical axis direction thing sides to establishing as side is folded in regular turn, forerunner's moving plate 311 that thermal expansivity is different, 321 and rear-guard moving plate 312,322, and each rear-guard moving plate 312 thermal expansivity of described first driver element 31 are greater than forerunner's moving plate 311, each forerunner's moving plate 321 thermal expansivity of described second driver element 32 are greater than rear-guard moving plate 322, so design, when described first driver element 31 is subjected to necessarily heat driving, its each rear-guard moving plate 312 elongations will be greater than front wheel driving sheet 311 elongations, force forerunner's moving plate 311 and eyeglass 20 to move to the thing side direction, and be subjected to hot driver hour at described first driver element 31, its forerunner's moving plate 311 and rear-guard moving plate 312 thermal expansion degree reduce, and return thereby forerunner's moving plate 311 and rear-guard moving plate 312 can drive eyeglass 20.When described second driver element 32 is subjected to necessarily heat driving, its each forerunner's moving plate 321 elongations will be greater than rear drive sheet 322 elongations, force rear-guard moving plate 322 and eyeglass 20 to moving as side direction, and be subjected to hot driver hour at described second driver element 32, its forerunner's moving plate 321 and rear-guard moving plate 322 thermal expansion degree reduce, and return thereby forerunner's moving plate 321 and rear-guard moving plate 322 can drive eyeglass 20.So eyeglass 20 just can move forward and backward along optical axis direction thing side and as side direction, thereby can focus associative operation.The camera lens module 1 that present embodiment provides need not to use the mode of common drive motor focusing, thereby can reduce volume, reduces production costs, and can reduce eyeglass and driven the vibrations that bring.
Certainly, be understandable that, each first driver part 310 of described first driver element 31 and second driver element 32 and forerunner's moving plate 311 of each second driver part 320,321 with rear-guard moving plate 312,322 and be confined to above-mentioned respectively with electric conductor 313,323 connect, and electric conductor 313,323 electrically connect with controller 40 again, thereby from electric conductor 313,323 absorb the form of heat, forerunner's moving plate 311,321 and rear-guard moving plate 312,322 also can directly electrically connect with controller 40 respectively, thereby directly control forerunner's moving plate 311 by controller 40,321 and rear-guard moving plate 312,322 thermal expansion degree.
In addition, each first driver part 310 of described first driver element 31, and each second driver element 320 of second driver element 32 also can directly extend from lens barrel 10 internal faces, so just need not described fixed part 30a.First driver part 310 of described first driver element 31, and second driver element 320 of second driver element 32, also be not limited to four the form of the foregoing description, it can only be one, two, three or a plurality of forms all, and only need make that can drive eyeglass 20 moves forward and backward and can prevent that along optical axis eyeglass 20 from departing from optical axis and getting final product.
In addition, also can comprise a plurality of eyeglasses 20 in the lens barrel 10 of described camera lens module, and all configurable one first above-mentioned driver element 31 of each eyeglass 20 and one second driver element 32, so this camera lens module just can have zoom function.
The present invention also provides a kind of camera module.
See also Fig. 6, the camera module 100 that this enforcement provides, comprise a camera lens module 100a and the photo-sensitive cell 100b that is oppositely arranged with camera lens module 100a, described camera lens module 100a can adopt any one structure of the camera lens module that aforementioned enforcement provides, described sensitive chip 100b can be charge-coupled device (CCD) (Charge Coupled Device, be called for short CCD) or complementary metal oxide semiconductor (CMOS) (Complementary Metal-Oxide-Semiconductor Transistor is called for short CMOS).
In the above-mentioned camera module 100, described camera lens module 100a also can be for a plurality of, and these a plurality of camera lens module 100a can be arranged at sensitive chip 100b top in regular turn.
Be understandable that, concerning one skilled in the relevant art, can make other various corresponding changes and distortion, and all these changes and distortion all should belong to the protection domain in claim of the present invention according to technical scheme of the present invention and technical conceive.
Claims (10)
1. camera lens module, it comprises:
At least one eyeglass, at least one is used to drive first driver part that described eyeglass moves along optical axis direction thing side direction, and at least one is used to drive second driver part that described eyeglass moves as side direction along optical axis direction, described first driver part and second driver part comprise respectively one from the thing side to as folded in regular turn forerunner's moving plate and the rear-guard moving plate of establishing of side, the rear-guard moving plate thermal expansivity of described first driver part is greater than forerunner's moving plate thermal expansivity, forerunner's moving plate thermal expansivity of described second driver part is greater than rear-guard moving plate thermal expansivity, and described first and second driver parts are worked at times; When forerunner's moving plate of described first driver part and rear-guard moving plate were subjected to identical heat, rear-guard moving plate elongation was bigger than forerunner's moving plate elongation, moves to the thing side direction thereby drive described eyeglass; When forerunner's moving plate of described second driver part and rear-guard moving plate were subjected to identical heat, forerunner's moving plate elongation was bigger than rear-guard moving plate elongation, thereby drives described eyeglass to moving as side direction.
2. camera lens module as claimed in claim 1 is characterized in that, described eyeglass comprises a transmittance section and the installation portion that radially extends from the transmittance section periphery, and described first driver part and second driver part are fixedlyed connected with the installation portion of described eyeglass respectively.
3. camera lens module as claimed in claim 2, it is characterized in that, described camera lens module comprises a plurality of first driver parts and a plurality of second driver part, described first driver part and described second driver part are distributed in the installation portion periphery of described eyeglass spaced reciprocally, and folded in regular turn forerunner's moving plate and the rear-guard moving plate of establishing of each of described first driver part and second driver part all fixedlyed connected with the installation portion of described eyeglass.
4. camera lens module as claimed in claim 1, it is characterized in that, described first driver part also comprises an electric conductor that is connected with forerunner's moving plate and rear-guard moving plate, described second driver part also comprises an electric conductor that is connected with forerunner's moving plate and rear-guard moving plate, and described each electric conductor electrically connects with a controller respectively.
5. camera lens module as claimed in claim 1 is characterized in that, forerunner's moving plate of described first driver part and second driver part and rear-guard moving plate all electrically connect with a controller.
6. camera lens module as claimed in claim 1 is characterized in that, is furnished with an insulation course between forerunner's moving plate of described first driver part and second driver part and the rear-guard moving plate.
7. camera lens module as claimed in claim 1 is characterized in that, the forerunner's moving plate and the rear-guard moving plate of described first driver part and second driver part are strip.
8. camera lens module as claimed in claim 1 is characterized in that, forerunner's moving plate of described first driver part and second driver part and rear drive sheet material adopt metal or pottery.
9. camera lens module as claimed in claim 1, it is characterized in that, forerunner's moving plate of described first driver part is identical with the rear drive sheet material of described second driver part, and the rear-guard moving plate of described first driver part is identical with the front wheel driving sheet material of described second driver part.
10. camera module, it comprises at least one camera lens module, and a photo-sensitive cell that is oppositely arranged with described camera lens module, described camera lens module adopts just like each described camera lens modular structure in the right 1～9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610060937A CN100582839C (en) | 2006-06-02 | 2006-06-02 | Lens module and camera module group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610060937A CN100582839C (en) | 2006-06-02 | 2006-06-02 | Lens module and camera module group |
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| Publication Number | Publication Date |
|---|---|
| CN101082691A CN101082691A (en) | 2007-12-05 |
| CN100582839C true CN100582839C (en) | 2010-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610060937A Active CN100582839C (en) | 2006-06-02 | 2006-06-02 | Lens module and camera module group |
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| CN (1) | CN100582839C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107765387B (en) * | 2017-11-23 | 2020-08-14 | 北京空间机电研究所 | Rotary fine-tuning device based on thermal deformation drive |
| CN108121046A (en) * | 2017-12-29 | 2018-06-05 | 宁波舜宇光电信息有限公司 | A kind of camera module of drive component, lens assembly and its auto-focusing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85106940A (en) * | 1985-09-18 | 1987-04-01 | 中国人民解放军空军政治部歌舞剧团 | Double-len, telecontrol diapositive replacing projecting epidiascope |
| JP3164352B2 (en) * | 1990-01-04 | 2001-05-08 | ソニー株式会社 | Television receiver |
| JP3193539B2 (en) * | 1993-09-01 | 2001-07-30 | 富士ゼロックス株式会社 | Optical deflector |
| CN1613033A (en) * | 2000-11-06 | 2005-05-04 | 大日本印刷株式会社 | Composite lenticular lens sheet and projection screen |
| CN1760148A (en) * | 2004-10-14 | 2006-04-19 | 亚洲光学股份有限公司 | Optical lens molding device and precision molding device |
-
2006
- 2006-06-02 CN CN200610060937A patent/CN100582839C/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85106940A (en) * | 1985-09-18 | 1987-04-01 | 中国人民解放军空军政治部歌舞剧团 | Double-len, telecontrol diapositive replacing projecting epidiascope |
| JP3164352B2 (en) * | 1990-01-04 | 2001-05-08 | ソニー株式会社 | Television receiver |
| JP3193539B2 (en) * | 1993-09-01 | 2001-07-30 | 富士ゼロックス株式会社 | Optical deflector |
| CN1613033A (en) * | 2000-11-06 | 2005-05-04 | 大日本印刷株式会社 | Composite lenticular lens sheet and projection screen |
| CN1760148A (en) * | 2004-10-14 | 2006-04-19 | 亚洲光学股份有限公司 | Optical lens molding device and precision molding device |
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| Publication number | Publication date |
|---|---|
| CN101082691A (en) | 2007-12-05 |
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Effective date of registration: 20170309 Address after: Room E2296, 1759 Mingxi Road, high tech Zone, Changchun, Jilin Patentee after: Changchun Optical Precision Instrument Group Co. Ltd. Address before: 518109 Guangdong city of Shenzhen province Baoan District Longhua Town Industrial Zone tabulaeformis tenth East Ring Road No. 2 two Patentee before: Hongfujin Precise Industry (Shenzhen) Co., Ltd. Patentee before: Hon Hai Precision Industry Co., Ltd. |
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Effective date of registration: 20180806 Address after: 130000 Yingkou Road, Changchun economic and Technological Development Zone, Jilin 77 Patentee after: Changchun Chang Guang Chen Ying Biological Science Instrument Co., Ltd. Address before: 130102 room E2296, 1759 Mingxi Road, north new high tech, Changchun, Jilin. Patentee before: Changchun Optical Precision Instrument Group Co. Ltd. |