CN201007771Y - Automatic focusing lens module - Google Patents
Automatic focusing lens module Download PDFInfo
- Publication number
- CN201007771Y CN201007771Y CNU2006201751634U CN200620175163U CN201007771Y CN 201007771 Y CN201007771 Y CN 201007771Y CN U2006201751634 U CNU2006201751634 U CN U2006201751634U CN 200620175163 U CN200620175163 U CN 200620175163U CN 201007771 Y CN201007771 Y CN 201007771Y
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- automatic focusing
- liquid crystal
- lens module
- image
- focusing device
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- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 75
- 230000003287 optical effect Effects 0.000 claims abstract description 46
- 239000003292 glue Substances 0.000 claims description 12
- 239000011521 glass Substances 0.000 claims description 11
- 239000000758 substrate Substances 0.000 claims description 11
- 230000006698 induction Effects 0.000 claims description 5
- 238000003384 imaging method Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 4
- 230000003321 amplification Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model relates to an automatic focusing lens module which comprises an optical lens module, at least a liquid crystal automatic focusing device, an image sensor, an image signal processor and at least a driving circuit, wherein the optical lens module which has an optical recording zoom function of a photography image is used to ingest the photography image, the liquid crystal automatic focusing devices are arranged on the back of the optical lens module, which adjust a focal length of the photography image which is ingested by the optical lens module through changing the optical refractive index. The image sensor is arranged on the back end of the liquid crystal automatic focusing devices, enabling the photography image to cross the liquid crystal automatic focusing devices and to image and inductively output preliminary image signals. The image signal processor connected with the image sensor is used to treat and convert the preliminary image signals which is output by the image sensor, and judges whether the photography image is out of focus or not. The driving circuits are connected with the image signal processor and the liquid crystal automatic focusing device and the driving circuits are controlled and driven by the image signal processor. Under the state that the photography image is out of focus, the driving circuits output driving signals to the liquid crystal automatic focusing device, thereby ray refractive index produced by the liquid crystal automatic focusing device is changed, and the liquid crystal automatic focusing device is capable of automatically adjusting the focal length of the photography image.
Description
One, technical field
The utility model relates to camera installation, relates in particular to a kind of digital camera or camera cell phone of being applied to, and has by changing liquid-crystal refractive-index to adjust the burnt poly-automatic focusing camera lens module of optical imagery.
Two, background technology
Digital camera and camera cell phone are to be widely used in the camera installation of carrying, the focus adjusting mechanism of existing digital camera or camera cell phone, as shown in Figure 1, this focus adjusting mechanism 1 comprises: a casing 2, optical lens 3 and an image sensor 4, this optical lens 3 is incorporated into casing 2 front ends, so that being provided, the photography image takes in function, this optical lens 3 is usually by manually mechanical or adjust mode automatically, realize adjusting the function of focal length, this image sensor 4 is located at casing 2 inside, with optical image imaging and the induction that provides optical lens 3 to take in.
Above-mentioned existing focus adjusting mechanism 1, no matter the optical lens that is adopted 3 focusing modes are with manual or electronic miniature motor, with non-linear or Linear Driving displacement and change the mechanical component mode and the structure of focal length, dwindle as far as possible and have in the devices such as the digital camera of the function of being easy to carry or camera cell phone at the demand volume, then be subjected to restriction in limited application space and length, the poly-adjustment of Jiao of optical lens 3 can't be between amplification and reduction magnification, make the move operation of too big distance, this focusing multiplying power and function are very restricted.
Therefore, above-mentioned existing focus adjusting mechanism 1 is positioned at beyond the scope of optical lens 3 adjustment focal length multiplying powers at the photography image, it is unclear to make that then the photography image thickens, and loses Jiao (Off focus) phenomenon, the problem that causes the photography quality variation of image maybe can't photograph.
In addition, relevant aspect the preceding patent documentation, then disclose the typical mode that drives many group optical lens zooms mechanically as open No. 2003/0071911 " Photographing object image adjusting apparatus andmethod and photographing apparatus " the application for a patent for invention case of case of U.S.'s patent of invention, still having existing focusing lens can't lose the shortcoming of focusing and photographing under the burnt state at the photography image.
Again, the novel patent case of TaiWan, China patent gazette M249044 number " focusing digital camera camera lens module " then discloses the structure that drives the camera lens module zoom by the straight line mechanical driving structure, also still exist above-mentioned existing focusing lens can't the photography image lose focus and photograph under the burnt state between topic.
In addition, the open case of No. 200536386 " the automatic focusing method of digital camera " patent of invention of TaiWan, China patent disclosure communique, then disclosing a kind of utilization photography image depth of field measures and utilizes physical construction to adjust this optical lens module or image sensing chip to the adequate focusing position, to improve the problem of camera lens zoom, but, it makes this focusing structure become complicated more, and as want the movable image sensor chip, then have problem and shortcoming that rupture of line, mechanical fault and photographic image are rocked, simultaneously, also allow the burnt mechanicalness noise that gathers when adjusting increase.
Three, utility model content
Fundamental purpose of the present utility model is to overcome the above-mentioned shortcoming that existing product exists, and provide a kind of automatic focusing camera lens module, can be when photographic image lose Jiao, focusing automatically makes the restriction that is subjected to original optical lens module to focus on multiplying power and scope under the photographic image.
Second purpose of the present utility model is to provide a kind of automatic focusing camera lens module, so that complicated zoom lens module designs simplification.
The 3rd purpose of the present utility model is to provide a kind of automatic focusing camera lens module, can carry out automatic focusing by the liquid crystal automatic focusing device of an on-mechanical formula, to solve fault and the noise problem that mechanical type drives the video sensing chip.
The purpose of this utility model is realized by following technical scheme.
The utility model automatic focusing camera lens module is characterized in that, comprising: the optics with photographic image is shot with video-corder the optical lens module of zoom function, to take in photographic image; At least one liquid crystal automatic focusing device is located at the optical lens module rear, and this liquid crystal automatic focusing device changes by light refractive index adjusts the photographic image focal length that optical lens module is taken in; One image sensor is located at liquid crystal automatic focusing device rear end, makes to pass imaging of liquid crystal automatic focusing device photographic image and induction output one preliminary image signal; One image signal processor links image sensor, handles the preliminary image signal of exporting with the conversion image sensor, and judges according to this whether photographic image loses Jiao; At least one driving circuit, link image signal processor and liquid crystal automatic focusing device, this driving circuit is by control of image signal processor and driving, lose under the burnt state at photographic image, output one drives signal and gives liquid crystal automatic focusing device, make liquid crystal automatic focusing device produce ray refractive index and change, and then make liquid crystal automatic focusing device adjust this photographic image focal length automatically.
Aforesaid automatic focusing camera lens module is characterized in that, described optical lens module front end is in conjunction with liquid crystal automatic focusing device.
Aforesaid automatic focusing camera lens module is characterized in that, described optical lens module rear end is in conjunction with a liquid crystal automatic focusing device.
Aforesaid automatic focusing camera lens module is characterized in that, described liquid crystal automatic focusing device is a penetration liquid crystal panel.
Aforesaid automatic focusing camera lens module is characterized in that, described liquid crystal automatic focusing device is provided with one first electrode and second electrode.
Aforesaid automatic focusing camera lens module is characterized in that, described liquid crystal automatic focusing device comprises: at least one glue frame, and inside is perfused with liquid crystal; At least one pair of both alignment layers is incorporated into glue frame both sides respectively, with sealing glue frame; At least one pair of ITO conductive layer, two ITO conductive layers correspondence respectively are incorporated into the two both alignment layers outside, and this two ITO conductive layer is respectively equipped with one first electrode and one second electrode; At least one pair of glass substrate, two glass substrates correspondence respectively are incorporated into the two ITO conductive layers outside.
Aforesaid automatic focusing camera lens module is characterized in that, described image sensor, image signal processor and driving circuit are integrated into an integrated circuit.
The beneficial effect of the utility model automatic focusing camera lens module is that it comprises at least one optical lens module, at least one liquid crystal automatic focusing device, an image sensor, an image signal processor and at least one driving circuit; Wherein, the optical focus function that this optical lens module body provides image to take in, this liquid crystal automatic focusing device is located at the optical lens module rear end, liquid crystal automatic focusing device changes by the image ray refractive index provides optical lens module to lose the focus adjustment function of burnt state, image sensor is located at liquid crystal automatic focusing device rear, the optical image of liquid crystal automatic focusing device is passed in induction, and export a preliminary image signal, this image processor links image sensor, to handle and the preliminary image signal of conversion, this driving circuit links liquid crystal automatic focusing device and image signal processor, control to be subjected to this image signal processor, lose the driving signal that provides liquid crystal automatic focusing device to change refractive index under the burnt state in photographic image, reach the utility model makes the photographic image automatic focusing by on-mechanical formula assembly effect.
Four, description of drawings
Fig. 1 is existing photograph focus adjusting mechanism structural representation.
Fig. 2 is the utility model automatic focusing camera lens module first example structure figure.
Fig. 3 is a liquid crystal automatic focusing device structure amplification view shown in Figure 2.
Fig. 4 is the utility model automatic focusing camera lens module preferred application illustration.
Fig. 5 is that the utility model second is implemented illustration.
Fig. 6 is that the utility model the 3rd is implemented illustration.
Fig. 7 is that the utility model the 4th is implemented illustration.
Major label description in figure: 100 automatic focusing camera lens modules, 10 optical lens modules, 20 liquid crystal automatic focusing devices, 21 glue frames, 211 liquid crystal, 22 both alignment layers, 23 both alignment layers, 24 is the ITO conductive layer, 241 first electrodes, 25 is the ITO conductive layer, 251 second electrodes, 26 glass substrates, 27 glass substrates, 30 image sensors, 31 preliminary image signals, 40 image signal processors, 50 driving circuits, 51 drive signal, 200 camera cell phones, 210 casings, 20 ' liquid crystal automatic focusing device, 1 focus adjusting mechanism, 2 casings, 3 optical lens, 4 image sensors.
Five, embodiment
Consult Fig. 2, shown in Figure 3, first embodiment of automatic focusing camera lens module 100 of the present utility model, wherein, automatic focusing camera lens module 100 comprises at least one optical lens module 10, provides the optics of photographic image to shoot with video-corder zoom function, and photographic image is taken in.
At least one liquid crystal automatic focusing device 20 is located at optical lens module 10 rear ends, carries out the refractive index adjustment with the photographic image of optical lens module 10 being taken in by refractive index deflection adjustment and reaches automatic focusing function.
As shown in Figure 3, the form of above-mentioned liquid crystal automatic focusing device 20 is not limit, be that enumerating with a penetration liquid crystal panel is example in the utility model, wherein, this liquid crystal automatic focusing device 20 comprises at least one glue frame 21, at least one pair of both alignment layers (Alignment Layer) 22 and 23, at least one pair of ITO conductive layer 24 and 25 and at least one pair of glass substrate 26 and 27, be perfused with liquid crystal 211 in this glue frame 21, both alignment layers 22 and 23 is incorporated into glue frame 21 both sides respectively, with sealing glue frame 21, this ITO conductive layer 24 is incorporated into both alignment layers 22 outsides, ITO conductive layer 25 is incorporated into both alignment layers 23 outsides, this ITO conductive layer 24 is provided with one first electrode 241, ITO conductive layer 25 is provided with one second electrode 251, pass to the bias voltage or the driving power of different voltages by first electrode 241 and 251 at second electrode, make the refraction index changing in the glue frame 21, reach photographic image focusing function, glass substrate 26 is incorporated into ITO conductive layer 24 outsides, and this glass substrate 27 is incorporated into ITO conductive layer 25 outsides.One image sensor 30 is located at liquid crystal automatic focusing device 20 rear ends, will pass 20 photographic image imagings of liquid crystal automatic focusing device and induction output one preliminary image signal 31.One image signal processor 40 links image sensor 30, the preliminary image signal 31 of image sensor 30 outputs is handled and is changed, and judge according to this whether photographic image loses Jiao.At least one driving circuit 50, first electrode 241 and second electrode 251 that link image signal processor 40 and liquid crystal automatic focusing device 20, this driving circuit 40 is subjected to 40 controls of image signal processor and drives, lose under the burnt state at photographic image, output one drives signal 51 and gives first electrode 241 and second utmost point 251, make liquid crystal automatic focusing device 20 produce ray refractive index and change, and then reach the function of adjusting this photographic image focal length automatically.
Consult shown in Figure 4, preferred application example for the utility model automatic focusing camera lens module 100, wherein, enumerate the state that is applied to a camera cell phone 200, this optical lens module 10 is incorporated into casing 210 surfaces of camera cell phone 200, this liquid crystal automatic focusing device 20, image sensor 30, image signal processor 40 and driving circuit 50 all are provided with and are fixed in the camera cell phone 200, image sensor 30, image signal processor 40 and driving circuit 50 can be incorporated into the circuit of camera cell phone 200, also can be integrated into single integrated circuit, make automatic focusing camera lens module 100 of the present utility model be applied in taking volume and can significantly reduce in the camera cell phone 200, and reach and needn't increase mechanical driving structure, can eliminate the effect of losing burnt problem by automatic focusing.
Consult shown in Figure 5, second embodiment for the utility model automatic focusing camera lens module 100, show that a liquid crystal automatic focusing device 20 is incorporated into optical lens module 10 front ends, another liquid crystal automatic focusing device 20 is located at the rear of optical lens module 10, can be used for replacing infrared filter (IR CUT FILTER) function, promptly reach the filter effect in birefraction focusing mode by two groups of liquid crystal automatic focusing devices 20.
Consult shown in Figure 6, the 3rd embodiment for the utility model automatic focusing camera lens module 100, show that a liquid crystal automatic focusing device 20 is incorporated into optical lens module 10 rear ends, another liquid crystal automatic focusing device 20 is located at the rear of optical lens module 10, with the liquid crystal automatic focusing device 20 that is incorporated into optical lens module 10 rear ends, can be used for replacing the infrared filter function equally,, reach the filter effect in birefraction focusing mode by two groups of liquid crystal automatic focusing devices 20 promptly as shown in Figure 5.
Consult shown in Figure 7, the 4th embodiment for the utility model automatic focusing camera lens module 100, show that a liquid crystal automatic focusing device 20 ' is by being coupled with orthogonality relation (orthogonal relation) in conjunction with two liquid crystal automatic focusing devices 20, be about to be combined into one as the glass substrate 27 of two groups of liquid crystal automatic focusing devices 20 shown in Figure 3, promptly share glass substrate 27, this liquid crystal automatic focusing device 20 ' is located at optical lens module 10 rears, by two groups of liquid crystal automatic focusing device 20 orthogonality relations, eliminate two groups of liquid crystal automatic focusing devices 20 because of different polarization (polarization) problem and the shortcomings that cause the two-fold rate to be produced of liquid crystal 211 materials.
Above-mentioned Fig. 2 is to automatic focusing camera lens module of the present utility model shown in Figure 7, wherein, the explanation that is disclosed and graphic, be for ease of illustrating technology contents of the present utility model and technological means, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.
Claims (7)
1. an automatic focusing camera lens module is characterized in that, comprising: the optics with photographic image is shot with video-corder the optical lens module of zoom function, to take in photographic image; At least one liquid crystal automatic focusing device is located at the optical lens module rear, and this liquid crystal automatic focusing device changes by light refractive index adjusts the photographic image focal length that optical lens module is taken in; One image sensor is located at liquid crystal automatic focusing device rear end, makes to pass imaging of liquid crystal automatic focusing device photographic image and induction output one preliminary image signal; One image signal processor links image sensor, handles the preliminary image signal of exporting with the conversion image sensor, and judges according to this whether photographic image loses Jiao; At least one driving circuit, link image signal processor and liquid crystal automatic focusing device, this driving circuit is by control of image signal processor and driving, lose under the burnt state at photographic image, output one drives signal and gives liquid crystal automatic focusing device, make liquid crystal automatic focusing device produce ray refractive index and change, and then make liquid crystal automatic focusing device adjust this photographic image focal length automatically.
2. automatic focusing camera lens module according to claim 1 is characterized in that, described optical lens module front end is in conjunction with liquid crystal automatic focusing device.
3. automatic focusing camera lens module according to claim 1 is characterized in that, described optical lens module rear end is in conjunction with a liquid crystal automatic focusing device.
4. automatic focusing camera lens module according to claim 1 is characterized in that, described liquid crystal automatic focusing device is a penetration liquid crystal panel.
5. automatic focusing camera lens module according to claim 1 is characterized in that, described liquid crystal automatic focusing device is provided with one first electrode and second electrode.
6. according to claim 1,2,3,4 or 5 described automatic focusing camera lens modules, it is characterized in that described liquid crystal automatic focusing device comprises: at least one glue frame, inside is perfused with liquid crystal; At least one pair of both alignment layers is incorporated into glue frame both sides respectively, with sealing glue frame; At least one pair of ITO conductive layer, two ITO conductive layers correspondence respectively are incorporated into the two both alignment layers outside, and this two ITO conductive layer is respectively equipped with one first electrode and one second electrode; At least one pair of glass substrate, two glass substrates correspondence respectively are incorporated into the two ITO conductive layers outside.
7. automatic focusing camera lens module according to claim 1 is characterized in that, described image sensor, image signal processor and driving circuit are integrated into an integrated circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201751634U CN201007771Y (en) | 2006-12-31 | 2006-12-31 | Automatic focusing lens module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201751634U CN201007771Y (en) | 2006-12-31 | 2006-12-31 | Automatic focusing lens module |
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| Publication Number | Publication Date |
|---|---|
| CN201007771Y true CN201007771Y (en) | 2008-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201751634U Expired - Lifetime CN201007771Y (en) | 2006-12-31 | 2006-12-31 | Automatic focusing lens module |
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| CN (1) | CN201007771Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101588510B (en) * | 2008-05-22 | 2011-05-18 | 聚晶光电股份有限公司 | System and method for retrieving and displaying three-dimensional (3D) image |
| CN109302555A (en) * | 2018-11-28 | 2019-02-01 | 维沃移动通信（杭州）有限公司 | CCD camera assembly and terminal device |
| CN111965743A (en) * | 2020-08-10 | 2020-11-20 | 黄山中鼎信息技术有限公司 | Adjustable infrared filtering system based on liquid crystal |
-
2006
- 2006-12-31 CN CNU2006201751634U patent/CN201007771Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101588510B (en) * | 2008-05-22 | 2011-05-18 | 聚晶光电股份有限公司 | System and method for retrieving and displaying three-dimensional (3D) image |
| CN109302555A (en) * | 2018-11-28 | 2019-02-01 | 维沃移动通信（杭州）有限公司 | CCD camera assembly and terminal device |
| CN109302555B (en) * | 2018-11-28 | 2021-04-23 | 维沃移动通信（杭州）有限公司 | Camera assembly and terminal equipment |
| CN111965743A (en) * | 2020-08-10 | 2020-11-20 | 黄山中鼎信息技术有限公司 | Adjustable infrared filtering system based on liquid crystal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: CO-PATENTEE TO: CAOTIAN DUNNAN ¬ |
|
| CU01 | Correction of utility model patent |
Correction item: Co-patentee Correct: Souda Atsuo Number: 03 Page: The title page Volume: 24 |
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| CU03 | Correction of utility model patent gazette |
Correction item: Co-patentee Correct: Souda Atsuo Number: 03 Volume: 24 |
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| ERR | Gazette correction |
Free format text: CORRECT: CO-PATENTEE; FROM: NONE ¬ TO: CAOTIAN DUNNAN ¬ |
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| ASS | Succession or assignment of patent right |
Owner name: GLOMEROCRYST PHOTOELECTRICITY CO., LTD. Free format text: FORMER OWNER: ZENG LINGYUAN Effective date: 20090814 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090814 Address after: Postcode of Taiwan, Hsinchu, china: Patentee after: Tunable Optix Corporation Address before: Postcode of Taiwan, china: Co-patentee before: Kusada Atsuo Patentee before: Great far away |
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| CX01 | Expiry of patent term |
Granted publication date: 20080116 |
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| EXPY | Termination of patent right or utility model |