CN102233634A - 微透镜阵列制备装置 - Google Patents
微透镜阵列制备装置 Download PDFInfo
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- 238000002360 preparation method Methods 0.000 title claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 32
- 238000001816 cooling Methods 0.000 claims abstract description 18
- 239000000758 substrate Substances 0.000 claims description 10
- 230000033001 locomotion Effects 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 238000003848 UV Light-Curing Methods 0.000 description 4
- 238000001723 curing Methods 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
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- 229910044991 metal oxide Inorganic materials 0.000 description 2
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- 239000004065 semiconductor Substances 0.000 description 2
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- 238000003491 array Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/18—Thermoforming apparatus
- B29C51/20—Thermoforming apparatus having movable moulds or mould parts
- B29C51/22—Thermoforming apparatus having movable moulds or mould parts rotatable about an axis
- B29C51/225—Thermoforming apparatus having movable moulds or mould parts rotatable about an axis mounted on a vacuum drum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/00278—Lenticular sheets
- B29D11/00288—Lenticular sheets made by a rotating cylinder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/42—Heating or cooling
- B29C51/427—Cooling of the material with a fluid blast
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2011/00—Optical elements, e.g. lenses, prisms
- B29L2011/0016—Lenses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
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- Manufacturing & Machinery (AREA)
- Ophthalmology & Optometry (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
本发明提供一种微透镜阵列制备装置,用于在基材表面成形微透镜阵列,其特征在于:所述制备装置包括一张紧装置、一压印滚轮和一冷却设备,所述张紧装置张紧固定基材于压印滚轮表面并带动基材运动;所述压印滚轮设置有多个加热条和压印孔,基材与压印滚轮贴合部分经加热条加热成软化状态后被吸入压印孔中;所述冷却设备用于持续固化受张紧装置带动与压印孔脱离的基材部分而在基材表面成型微透镜阵列。
Description
技术领域
本发明涉及一种微透镜阵列的制备装置,尤其涉及一种可改善影像感应器感光灵敏度的微透镜阵列的制备装置。
背景技术
微透镜阵列(Micro Lens Array;MLA)广泛应用于影像感应器当中,例如电荷耦合元件(Charge-coupled Device;CCD)和互补金属氧化物半导体(Complementary Metal Oxide Semiconductor;CMOS)影像感应器,用于改善其感光灵敏度。
采用UV固化材料制作微透镜阵列,一般在基材表面涂布一层UV固化材料,通过压印于基材表面成型微透镜阵列,最后通过UV固化使得微透镜固定于基材表面。使用该方法制备微透镜阵列,步骤复杂且成本高。
发明内容
有鉴于此,有必要提供一种制备步骤简单且成本低廉的微透镜阵列制备装置。
一种微透镜阵列制备装置,用于在基材表面成形微透镜阵列,所述制备装置包括一张紧装置、一压印滚轮和一冷却设备,所述张紧装置张紧固定基材于压印滚轮表面并带动基材运动;所述压印滚轮设置有多个加热条和压印孔,基材与压印滚轮贴合部分经加热条加热成软化状态后被吸入压印孔中;所述冷却设备用于持续固化受张紧装置带动与压印孔脱离的基材部分而在基材表面成型微透镜阵列。
本发明提供一种微透镜阵列制备装置,该制备装置结构简单且相比现有的使用UV固化材料制备微透镜阵列步骤简单,成本低廉。
附图说明
图1为本发明一较佳实施方式微透镜阵列制备装置的示意图。
图2为图1所示微透镜阵列制备装置内压印滚轮的立体图。
图3为图1所示微透镜阵列制备装置内压印滚轮的剖视图。
主要元件符号说明
微透镜阵列制备装置 100
基材 200
张紧装置 10
第一滚轮 11
第二滚轮 12
压印滚轮 20
加热条 21
压印孔 22
端盖 23
吸气孔 24
冷却设备 30
具体实施方式
请参阅图1,为本发明一较佳实施方式微透镜阵列制备装置100的示意图。所述制备装置100用于制备基材200表面的微透镜阵列,其包括一张紧装置10、一压印滚轮20和一冷却设备30。所述张紧装置10用于张紧基材200使之紧密贴合于压印滚轮20表面并带动基材200相对压印滚轮20运动,所述压印滚轮20用于加热并压印基材200使其表面成型微透镜阵列,所述冷却设备30用于冷却固化基材200表面的微透镜阵列。
所述张紧装置10包括平行设置于压印滚轮20两端的第一滚轮11和第二滚轮12。所述第一滚轮11和第二滚轮12分别如图1中箭头所示方向转动,其转动速度同为V。所述基材200两端分别与第一滚轮11和第二滚轮12接触,中间贴合于压印滚轮20表面。所述基材200受第一滚轮11和第二滚轮12共同作用而相对压印滚轮20运动。同时,通过调整转动速度V的大小可以调节基材200的运动速度及张紧程度,可用来调节贴合于压印滚轮20表面基材200部分的加热时间长度和被吸引时间长度,进而改变基材200表面压印的微透镜大小和深度。
请一并参阅图2和图3,分别为图1所示微透镜阵列制备装置100内压印滚轮20的立体图和剖视图。所述压印滚轮20为一空心圆柱体,其内壁设置有多个加热条21,所述加热条21平行压印滚轮20轴心方向设置。所述压印滚轮20外壁均匀开设有多个压印孔22。所述压印滚轮20各设置一端盖23,所述端盖23开设有一吸气孔24,所述吸气孔24连通外部吸气设备(图中未示)和压印滚轮20外壁上的压印孔22。
所述冷却设备30设置于第一滚轮11和压印滚轮20之间。在本实施方式当中,冷却设备30为一吹气冷却设备,其向外输出特定温度的气体,使得远离压印滚轮20运动的基材200被冷却而固化。
工作时,冷却设备30和吸气设备分别处于工作状态,第一滚轮11和第二滚轮12同时转动使得基材200相对压印滚轮20运动。所述基材200与压印滚轮20贴合部分经加热条21加热成软化状态后,被吸入压印孔22后成型为微透镜。随着第一滚轮11和第二滚轮12继续转动,成型为微透镜的基材200脱离压印滚轮20,冷却设备30使得该部分冷却固化。如此循环,基材200不同部分依次被加热、吸入成型后冷却成为微透镜,最终使得基材200表面成型微透镜阵列。
Claims (7)
1.一种微透镜阵列制备装置,用于在基材表面成形微透镜阵列,其特征在于:所述制备装置包括一张紧装置、一压印滚轮和一冷却设备,所述张紧装置张紧固定基材于压印滚轮表面并带动基材运动;所述压印滚轮设置有多个加热条和压印孔,基材与压印滚轮贴合部分经加热条加热成软化状态后被吸入压印孔中而在基材表面成型微透镜阵列;所述冷却设备用于持续固化受张紧装置带动与压印孔脱离的微透镜阵列。
2.根据权利要求1所述的微透镜阵列制备装置,其特征在于:所述张紧装置包括平行设置于压印滚轮两端的第一滚轮和第二滚轮,所述两滚轮旋转使得基材张紧固定于压印滚轮表面并相对压印滚轮运动。
3.根据权利要求2所述的微透镜阵列制备装置,其特征在于:所述第一滚轮和第二滚轮的转动速度相同,可通过调解第一滚轮和第二滚轮的转动速度来调整基材的运动速度及张紧程度。
4.根据权利要求1所述的微透镜阵列制备装置,其特征在于:所述压印滚轮为一空心圆柱体,所述多个加热条平行滚轮轴线设置于滚轮的内壁上。
5.根据权利要求4所述的微透镜阵列制备装置,其特征在于:所述压印孔阵列开设于压印滚轮外壁上。
6.根据权利要求5所述的微透镜阵列制备装置,其特征在于:所述压印滚轮两端开设有吸气孔,所述制备装置还包括一吸气设备,所述吸气孔连通压印孔和该吸气设备。
7.根据权利要求1所述的微透镜阵列制备装置,其特征在于:所述冷却设备向外输出特定温度的气体。
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CN2010101585033A CN102233634A (zh) | 2010-04-28 | 2010-04-28 | 微透镜阵列制备装置 |
US12/859,282 US8313320B2 (en) | 2010-04-28 | 2010-08-19 | Micro-lens array fabrication apparatus |
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CN2010101585033A CN102233634A (zh) | 2010-04-28 | 2010-04-28 | 微透镜阵列制备装置 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104608370A (zh) * | 2015-02-09 | 2015-05-13 | 上海交通大学 | 基于卷对卷uv固化聚合物薄膜表面微结构加工系统及方法 |
CN112454875A (zh) * | 2020-11-23 | 2021-03-09 | 湘潭大学 | 具有可变尺寸表面微结构的薄膜吹塑成型方法及装置 |
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CN1321896A (zh) * | 2000-04-26 | 2001-11-14 | 夏普株式会社 | 光学薄膜及其制造方法和装置 |
US20020037393A1 (en) * | 1997-10-01 | 2002-03-28 | Minnesota Mining And Manufacturing Company | Embossed oriented polymer films |
JP2002225133A (ja) * | 2001-01-31 | 2002-08-14 | Hitachi Chem Co Ltd | 凹凸フィルムの製造方法及びその製造装置 |
CN201110901Y (zh) * | 2007-07-17 | 2008-09-03 | 李跃 | 一种薄膜立体光栅及其生产设备 |
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US2915787A (en) * | 1954-04-12 | 1959-12-08 | British Celanese | Embossing |
US3142599A (en) * | 1959-11-27 | 1964-07-28 | Sealed Air Corp | Method for making laminated cushioning material |
US3449158A (en) * | 1963-02-27 | 1969-06-10 | Rowland Products Inc | Method of making a phased lenticular composite strip for optical effects |
US4181548A (en) * | 1978-03-06 | 1980-01-01 | Weingarten Joseph L | Laminated plastic packaging material |
US5975706A (en) * | 1997-03-31 | 1999-11-02 | 3M Innovative Properties Company | Wide incident angle reflective plate |
US6878238B2 (en) * | 2002-12-19 | 2005-04-12 | Kimberly-Clark Worldwide, Inc. | Non-woven through air dryer and transfer fabrics for tissue making |
US7850887B2 (en) * | 2006-05-24 | 2010-12-14 | Cree, Inc. | Thermocompression molding of plastic optical elements |
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- 2010-04-28 CN CN2010101585033A patent/CN102233634A/zh active Pending
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US20020037393A1 (en) * | 1997-10-01 | 2002-03-28 | Minnesota Mining And Manufacturing Company | Embossed oriented polymer films |
CN1321896A (zh) * | 2000-04-26 | 2001-11-14 | 夏普株式会社 | 光学薄膜及其制造方法和装置 |
JP2002225133A (ja) * | 2001-01-31 | 2002-08-14 | Hitachi Chem Co Ltd | 凹凸フィルムの製造方法及びその製造装置 |
CN201110901Y (zh) * | 2007-07-17 | 2008-09-03 | 李跃 | 一种薄膜立体光栅及其生产设备 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104608370A (zh) * | 2015-02-09 | 2015-05-13 | 上海交通大学 | 基于卷对卷uv固化聚合物薄膜表面微结构加工系统及方法 |
CN112454875A (zh) * | 2020-11-23 | 2021-03-09 | 湘潭大学 | 具有可变尺寸表面微结构的薄膜吹塑成型方法及装置 |
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US8313320B2 (en) | 2012-11-20 |
US20110268830A1 (en) | 2011-11-03 |
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Application publication date: 20111109 |