CN103364858A - An optical element, a lens module, and a method for manufacturing the optical element - Google Patents
An optical element, a lens module, and a method for manufacturing the optical element Download PDFInfo
- Publication number
- CN103364858A CN103364858A CN2012100897376A CN201210089737A CN103364858A CN 103364858 A CN103364858 A CN 103364858A CN 2012100897376 A CN2012100897376 A CN 2012100897376A CN 201210089737 A CN201210089737 A CN 201210089737A CN 103364858 A CN103364858 A CN 103364858A
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- CN
- China
- Prior art keywords
- optical element
- substrate
- printing ink
- thermal sensitivity
- infrared
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- 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.)
- Pending
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- 230000003287 optical effect Effects 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 7
- 239000000758 substrate Substances 0.000 claims abstract description 41
- 238000001914 filtration Methods 0.000 claims abstract description 29
- 238000010521 absorption reaction Methods 0.000 claims abstract description 28
- 238000007639 printing Methods 0.000 claims abstract description 28
- 229920001187 thermosetting polymer Polymers 0.000 claims abstract description 17
- 230000008542 thermal sensitivity Effects 0.000 claims description 26
- 238000007747 plating Methods 0.000 claims description 10
- AZQWKYJCGOJGHM-UHFFFAOYSA-N 1,4-benzoquinone Chemical compound O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 claims description 4
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical group OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000005357 flat glass Substances 0.000 claims description 4
- 229940005561 1,4-benzoquinone Drugs 0.000 claims description 2
- 239000002075 main ingredient Substances 0.000 claims description 2
- NWVVVBRKAWDGAB-UHFFFAOYSA-N p-methoxyphenol Chemical compound COC1=CC=C(O)C=C1 NWVVVBRKAWDGAB-UHFFFAOYSA-N 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 230000004313 glare Effects 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical group O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
Images
Landscapes
- Optical Elements Other Than Lenses (AREA)
- Blocking Light For Cameras (AREA)
Abstract
The invention provides an optical element. The optical element comprises a substrate and an infrared absorption filter layer formed on any surface of the substrate. The infrared absorption filter layer is formed by thermosetting heat-sensitive printing ink coated on the surface of the substrate. The thermosetting heat-sensitive printing ink presents blue. In the optical element, the infrared absorption filter layer capable of absorbing infrared in light is formed by coating the heat-sensitive printing ink on a surface of the substrate. Therefore, visible light reflected in an infrared filtering process is effectively reduced and thus the formation of glare is effectively reduced. The invention also provides a lens module using the optical element and a method for manufacturing the optical element.
Description
Technical field
The present invention relates to a kind of optical element, particularly a kind of optical element that can absorb Infrared, use the camera lens module of this optical element and make the method for this optical element.
Background technology
Generally comprise a lens barrel in the camera lens module and be assembled at least one eyeglass and an optical filter in the described lens barrel, this anti-dazzling screen and this eyeglass are adjoining.Described optical filter is used for filtering only allows the wavelength be that the visible light of 420nm-680nm passes through through the Infrared of the light of this eyeglass.And traditional optical filter all is the Infrared reflection that will be projected in the light of optical filter, allows visible transmission.And in the process that Infrared is reflected, nearly about 5% visible light can follow Infrared together to be reflected, and this part visible light can form dazzle in the image in imaging behind the process Multi reflection.
Summary of the invention
In view of this, be necessary to provide a kind of optical element that can absorb Infrared, use the camera lens module of this optical element and make the method for this optical element.
A kind of optical element, it comprises that a substrate and is formed at the infrared absorption filter layer on any surface of described substrate, form after the thermal sensitivity printing ink thermosetting of this infrared absorption filter layer by the surface that is coated on substrate, and present blueness after the thermosetting of described thermal sensitivity printing ink.
A kind of camera lens module, it comprises that a lens barrel and is housed in the optical element in the described lens barrel, described optical element comprises that a substrate and is formed at the infrared absorption filter layer on any surface of described substrate, forms after the thermal sensitivity printing ink thermosetting of this infrared absorption filter layer by the surface that is coated on substrate.。
A kind of manufacture method of optical element, it may further comprise the steps:
One substrate is provided;
Any surface at described substrate applies thermal sensitivity printing ink;
Described thermal sensitivity printing ink is carried out thermosetting, present blueness after the thermosetting of described thermal sensitivity printing ink.
Optical element provided by the invention and the camera lens module that uses this optical element apply thermal sensitivity printing ink by any surface at substrate, to form the infrared absorption filter layer that can absorb the Infrared in the light, thereby effectively reduce the visible light that reflects in the Infrared filtering process, effectively reduced the formation of dazzle.
Description of drawings
Fig. 1 is the cut-open view of the camera lens module that provides of first embodiment of the invention.
Fig. 2 is the transmitted light spectrogram that passes the light of the optical element among Fig. 1.
Fig. 3 is the cut-open view of the camera lens module that provides of second embodiment of the invention.
Fig. 4 is the process flow diagram of the manufacture method of the optical element among Fig. 1.
The main element symbol description
| The |
100、 |
| Lens barrel | |
| 10 | |
| The |
11 |
| The |
12 |
| |
13 |
| |
20 |
| |
21、21a |
| The |
211、211a |
| The |
212、212a |
| The infrared |
22 |
| Infrared cut-off |
23 |
| The |
30 |
Following embodiment further specifies the present invention in connection with above-mentioned accompanying drawing.
Embodiment
As shown in Figure 1, be a kind of camera lens module 100 that first embodiment of the invention provides, it comprises a lens barrel 10, an optical element 20 and an image sensor module 30.
Described lens barrel 10 is cylindric, and it comprises that a semi-enclosed thing side 11, one are untight as side 12 and one and described thing side 11 and the accommodation space 13 that all is connected as side 12.
Described optical element 20 is housed in the described accommodation space 13, and it comprises a substrate 21, an infrared absorption filter layer 22 and an infrared cut-off light filtering films 23.Described substrate 21 comprises thing side surface 211 and the picture side surface 212 toward picture side 12 toward thing side 11.In the present embodiment, described substrate 21 is eyeglass, described thing side surface 211 and be sphere or aspheric surface as at least one surface in the side surface 212.
Described infrared absorption filter layer 22 is formed at any surface of described substrate 21.In the present embodiment, described infrared absorption filter layer 22 is formed on the thing side surface 211 of described substrate 21.Described infrared absorption filter layer 22 is to form after through 60 ℃-100 ℃ thermosetting effect by evenly being coated in thermal sensitivity printing ink on the described substrate 21.Present blueness through the described thermal sensitivity printing ink after the thermosetting, and the color after its thermosetting has nonreversibility.The described infrared absorption filter layer 22 that is formed by thermal sensitivity printing ink can absorb the part Infrared in the light.In the present embodiment, the Main Ingredients and Appearance of described thermal sensitivity printing ink is p-dihydroxy-benzene, p methoxy phenol, 1,4-benzoquinone, 2,6-di-t-butyl cresols.
23 platings of described infrared cut-off light filtering films are located on the described substrate 21 another surface relative with described infrared absorption filter layer 22.In the present embodiment, described infrared cut-off light filtering films 23 platings are located at the picture side surface 212 of described eyeglass 21.Described infrared cut-off light filtering films 23 comprise from this as side surface 212 to replacing the 1st to the 54th stacking rete away from this as side surface 212 directions, wherein the material of odd number rete is titania, the material of even number rete is silicon dioxide.The deviser can design described infrared cut-off light filtering films 23 according to the filtration result of 22 pairs of Infrared of described infrared absorption filter layer, so that described infrared absorption filter layer 22 unabsorbed Infrared are carried out further filtering.
Described image sensor module 30 is arranged on the picture side 12 of lens barrel 10, and with described picture side 12 sealings.Described image sensor module 30 is used for being projected to camera lens module 100 and also is converted into digital signal through the light of described optical element 20, to obtain digital picture.
Described camera lens module 100 in use, the ray cast that is projected to camera lens module 100 is to the described optical element 20 time, the Infrared that described infrared absorption filter layer 22 absorbs in the light, and allow the light of 320nm-700nm wavelength pass through, and the filtering overwhelming majority is greater than the Infrared of 760nm wavelength.The ray cast of the described infrared absorption filter layer 22 of process and described substrate 21 is described infrared cut-off light filtering films 23 extremely, the Infrared in the described infrared cut-off light filtering films 23 further reflection rays, and only allow the luminous ray of 400nm-680nm pass through.Because the infrared absorption filter layer 22 in the present embodiment adopts absorption filtering Infrared, the device compared to traditional reflective filtering Infrared has effectively reduced the visible light that is reflected, thereby has reduced the generation of dazzle.As shown in Figure 2, wherein the dotted line representative uses not plating to establish the light transmitted light spectrogram of the optical element 20 of infrared cut-off light filtering films 23, and the solid line representative uses plating to be provided with the light transmitted light spectrogram of the optical element 20 of infrared cut-off light filtering films 23.As can be seen from Figure 3, two kinds of optical elements 20 all have preferably filtration result to Infrared, and the optical element 20 that uses plating to be provided with infrared cut-off light filtering films 23 can further improve the filtration result to Infrared.
As shown in Figure 3, the another kind of camera lens module 100a that provides for second embodiment of the invention, the difference of the camera lens module 100 that the camera lens module 100a that described the second embodiment provides and the first embodiment provide is: described substrate 21a is plate glass, and it comprises thing side surface 211a and the picture side surface 212a toward picture side 12 toward thing side 11.Described thing side surface 211a and to be curvature as side surface 212a be 0 plane.Described infrared absorption filter layer 22 is arranged on described thing side surface 211a, and described infrared cut-off light filtering films 23 is arranged on described picture side surface 212a.
As shown in Figure 3, the present invention also provides a kind of optical element 20, and it may further comprise the steps:
S101: a substrate 21 is provided, and described substrate 21 can be housed in element in the lens barrel 10 for eyeglass, plate glass or other;
S102: any surface at described substrate 21 applies thermal sensitivity printing ink;
S103: the substrate 21 that will be coated with thermal sensitivity printing ink is positioned in the plated film chamber (not shown), is provided with a vapor deposition source (not shown) in the described plated film chamber, and a side that is coated with thermal sensitivity printing ink on the described substrate 21 deviates from described vapor deposition source;
S104: infrared cut-off light filtering films 23 is established in opposite side plating relative with a side that is coated with thermal sensitivity printing ink on described substrate 21, and described thermal sensitivity printing ink presents blue to form infrared absorption filter layer 22 after thermosetting under the temperature action in described plated film chamber; It is that temperature or remaining temperature when utilizing plating to establish described infrared cut-off light filtering films 23 carried out that described thermal sensitivity printing ink is carried out the thermosetting step;
S105: in described plated film chamber, take out described substrate 21.
Optical element provided by the invention and the camera lens module that uses this optical element apply thermal sensitivity printing ink by any surface at substrate, to form the infrared absorption filter layer that can absorb the Infrared in the light, thereby effectively reduce the visible light that reflects in the Infrared filtering process, effectively reduced the formation of dazzle.
Be understandable that, for the person of ordinary skill of the art, can make change and the distortion that other various pictures are answered by technical conceive according to the present invention, and all these change the protection domain that all should belong to claim of the present invention with distortion.
Claims (10)
1. optical element, it comprises that a substrate and is formed at the infrared absorption filter layer on any surface of described substrate, form after the thermal sensitivity printing ink thermosetting of this infrared absorption filter layer by the surface that is coated on substrate, and present blueness after the thermosetting of described thermal sensitivity printing ink.
2. optical element as claimed in claim 1 is characterized in that: described substrate comprises a thing side surface and a picture side surface relative with described thing side surface, and described infrared absorption filter layer is formed on described thing side surface.
3. optical element as claimed in claim 2, it is characterized in that: described optical element also comprises an infrared cut-off light filtering films, described infrared cut-off light filtering films plating is located at the picture side surface of described substrate.
4. optical element as claimed in claim 1, it is characterized in that: described substrate is an eyeglass, and described eyeglass comprises at least one sphere or aspheric surface.
5. optical element as claimed in claim 1, it is characterized in that: described substrate is a plate glass, it is 0 plane that two surfaces of described plate glass are curvature.
6. optical element as claimed in claim 1, it is characterized in that: the Main Ingredients and Appearance of described thermal sensitivity ink lay is p-dihydroxy-benzene, p methoxy phenol, 1,4-benzoquinone, 2,6-di-t-butyl cresols.
7. camera lens module, it comprise a lens barrel and be housed in the described lens barrel such as the described optical element of any one in the claim 1-6 item.
8. camera lens module as claimed in claim 7, it is characterized in that: described camera lens module also comprises an image sensor module, it is arranged on a side of described lens barrel; The ray cast of the described optical element of process is on described image sensor module.
9. the manufacture method of an optical element, it may further comprise the steps:
One substrate is provided;
Any surface at described substrate applies thermal sensitivity printing ink;
Described thermal sensitivity printing ink is carried out thermosetting, present blue to form the infrared absorption filter layer after the thermosetting of described thermal sensitivity printing ink.
10. optical element as claimed in claim 9, it is characterized in that: this manufacture method also is included in the plating of opposite side relative with a side that is coated with thermal sensitivity printing ink on the described substrate and establishes infrared cut-off light filtering films, and it is that temperature or remaining temperature when utilizing plating to establish described infrared cut-off light filtering films carried out that described thermal sensitivity printing ink is carried out the thermosetting step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100897376A CN103364858A (en) | 2012-03-30 | 2012-03-30 | An optical element, a lens module, and a method for manufacturing the optical element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100897376A CN103364858A (en) | 2012-03-30 | 2012-03-30 | An optical element, a lens module, and a method for manufacturing the optical element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103364858A true CN103364858A (en) | 2013-10-23 |
Family
ID=49366618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100897376A Pending CN103364858A (en) | 2012-03-30 | 2012-03-30 | An optical element, a lens module, and a method for manufacturing the optical element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103364858A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105487731A (en) * | 2015-11-27 | 2016-04-13 | 深圳市骏达光电股份有限公司 | Non-glare capacitive touch screen and manufacture method thereof |
| CN106094241A (en) * | 2016-06-22 | 2016-11-09 | 温岭市现代晶体有限公司 | Crystal cloth of coating-type optical low-pass filter and manufacture method |
| CN107544108A (en) * | 2016-06-23 | 2018-01-05 | 宁波舜宇光电信息有限公司 | Filter element and camera module and its manufacture method and application |
| WO2018184597A1 (en) * | 2017-04-07 | 2018-10-11 | 宁波舜宇光电信息有限公司 | Camera module based on infrared absorption structure, and application thereof |
| CN110554470A (en) * | 2018-05-30 | 2019-12-10 | 宁波舜宇光电信息有限公司 | optical lens, assembling method thereof and camera module |
| CN110971800A (en) * | 2019-12-17 | 2020-04-07 | Oppo广东移动通信有限公司 | Camera Lenses, Camera Components and Electronics |
| WO2021000258A1 (en) * | 2019-07-02 | 2021-01-07 | 瑞声光学解决方案私人有限公司 | Lens module and imaging system |
| WO2022067951A1 (en) * | 2020-09-29 | 2022-04-07 | 诚瑞光学(深圳)有限公司 | Camera lens |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010075740A2 (en) * | 2008-12-29 | 2010-07-08 | 深圳桑菲消费通信有限公司 | Ultraviolet ink for surface printing |
| WO2011071052A1 (en) * | 2009-12-07 | 2011-06-16 | 旭硝子株式会社 | Optical member, near-infrared cut filter, solid-state imaging element, lens for imaging device, and imaging/display device using the same |
| WO2011158635A1 (en) * | 2010-06-18 | 2011-12-22 | 株式会社大真空 | Infrared blocking filter |
-
2012
- 2012-03-30 CN CN2012100897376A patent/CN103364858A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010075740A2 (en) * | 2008-12-29 | 2010-07-08 | 深圳桑菲消费通信有限公司 | Ultraviolet ink for surface printing |
| WO2011071052A1 (en) * | 2009-12-07 | 2011-06-16 | 旭硝子株式会社 | Optical member, near-infrared cut filter, solid-state imaging element, lens for imaging device, and imaging/display device using the same |
| WO2011158635A1 (en) * | 2010-06-18 | 2011-12-22 | 株式会社大真空 | Infrared blocking filter |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105487731A (en) * | 2015-11-27 | 2016-04-13 | 深圳市骏达光电股份有限公司 | Non-glare capacitive touch screen and manufacture method thereof |
| CN106094241A (en) * | 2016-06-22 | 2016-11-09 | 温岭市现代晶体有限公司 | Crystal cloth of coating-type optical low-pass filter and manufacture method |
| CN107544108A (en) * | 2016-06-23 | 2018-01-05 | 宁波舜宇光电信息有限公司 | Filter element and camera module and its manufacture method and application |
| WO2018184597A1 (en) * | 2017-04-07 | 2018-10-11 | 宁波舜宇光电信息有限公司 | Camera module based on infrared absorption structure, and application thereof |
| CN110554470A (en) * | 2018-05-30 | 2019-12-10 | 宁波舜宇光电信息有限公司 | optical lens, assembling method thereof and camera module |
| WO2021000258A1 (en) * | 2019-07-02 | 2021-01-07 | 瑞声光学解决方案私人有限公司 | Lens module and imaging system |
| CN110971800A (en) * | 2019-12-17 | 2020-04-07 | Oppo广东移动通信有限公司 | Camera Lenses, Camera Components and Electronics |
| WO2022067951A1 (en) * | 2020-09-29 | 2022-04-07 | 诚瑞光学(深圳)有限公司 | Camera lens |
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| C06 | Publication | ||
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Application publication date: 20131023 |