CN101995631B - Liquid lens component - Google Patents
Liquid lens component Download PDFInfo
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- CN101995631B CN101995631B CN200910168589A CN200910168589A CN101995631B CN 101995631 B CN101995631 B CN 101995631B CN 200910168589 A CN200910168589 A CN 200910168589A CN 200910168589 A CN200910168589 A CN 200910168589A CN 101995631 B CN101995631 B CN 101995631B
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- liquid
- lens assembly
- assembly according
- liquid lens
- light transmission
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Abstract
The invention discloses a liquid lens component. The liquid lens component comprises a lens barrel, a rubber ring, a light-transmitting plate, a transparent electrode plate and a buffer unit, wherein the lens barrel contains a holding space, and an upper opening and a lower opening which are connected with the holding space; the rubber ring is arranged at the upper edge of the lens barrel and encircles the upper opening; the light-transmitting plate is arranged at the upper edge of the lens barrel to seal the upper opening; the transparent electrode plate is arranged at the lower edge of the lens barrel to seal the lower opening; first liquid is placed in the holding space and close to the transparent electrode plate, second liquid is placed in the holding space and close to the light-transmitting plate; and the buffer unit is holden in the holding space and placed in the liquid. The buffer unit can be used to adjust the self-volume and absorb the pressure, thus the manufacturing yield and operational reliability of the liquid lens component can be increased.
Description
Technical field
The present invention relates to a kind of lens subassembly, relate in particular to a kind of liquid lens (liquid lens) assembly.
Background technology
The liquid lens assembly mainly is to utilize the different and immiscible liquid of at least two kinds of refractive indexes of upper and lower light transmission piece sealing that has the housing of cavity and be positioned at this cavity hatch.This liquid is in contact with one another the interface that forms a predetermined curvature, and the light that Gong to pass through produces the phenomenon of refraction.Through this liquid lens one impressed voltage is provided, can adjust the curvature of this liquid contact surface, and then change direction through light, reach the effect of optical zoom.
Because liquid is to be sealed in this inside cavity through this light transmission piece, adds that liquid itself has incompressible character, therefore in packaging technology, the liquid in the cavity produces excessive situation because of extraneous pressure easily.
In addition; When the device with this liquid lens when external force operation makes that temperature raises down, because the thermal expansivity of different material difference, therefore; The volume change of various materials promptly becomes influences the source that liquid lens is built internal pressure thoroughly; Add that being positioned at the inner liquid of this liquid lens can raise and swollen rising along with environment temperature, and then interior shell pressure is increased, liquid is outwards pushed caused housing or light transmission piece distortion; Produce the problem that leaked liquid or air get into housing, and then influence optical property.
Summary of the invention
The object of the present invention is to provide a kind of liquid lens (liquid lens) assembly, be placed with a buffer cell in the cavity of this liquid lens assembly, in order to the high pressure in the absorption chamber.
For realizing above-mentioned purpose, the liquid lens assembly that the present invention proposes includes a lens barrel, a cushion rubber, a light transmission piece, a transparency electrode sheet, one first liquid, one second liquid and a buffer cell.This lens barrel has an accommodation space, and the upper and lower opening that is communicated with this accommodation space.This cushion rubber is arranged at this lens barrel upper limb and is surrounded on this upper shed.This light transmission piece is arranged at this lens barrel upper limb and seals this upper shed.This transparency electrode sheet is arranged at this lens barrel lower edge and seals this under shed.This first liquid is positioned at this accommodation space and is adjacent to this transparency electrode sheet, and this second liquid is positioned at this accommodation space and contiguous this light transmission piece, and the face that connects of this first liquid and this second liquid is formed with a predetermined curved surface.This buffer cell is positioned at this accommodation space, and submerges in this liquid.
Wherein, this cushion rubber is positioned at the top of this light transmission piece.
Wherein, this cushion rubber is positioned at the below of this light transmission piece.
Wherein, more comprise one be used for fixing this light transmission piece fixture.
Wherein, this fixture include one replace this light transmission piece downwards roof, and by this roof to the surrounding wall that extends below, this roof have one supply this light transmission piece to expose open-work.
Wherein, this buffer cell is Poly dragon, Na Pulong, Yi Bilong, a Ou Long, acryl foam or foam foaminess material.
Wherein, this buffer cell is that bulk, ring-type, strip or other meet the shape of encapsulating structure.
Wherein, this light transmission piece is glass mirror, glass lens, sheet glass, flat plastic or model plastics.
Wherein, this euphotic electrode sheet includes a transparent substrates, and is formed at the electrode pattern on this transparent substrates.
Wherein, this transparent substrates is the substrate of glass substrate or other light-permeable.
Wherein, this cushion rubber uses fluorine unpigmented rubber, fluoridizes polysiloxane and the ethylene-propylene terpolymer material is processed.
Wherein, this lens barrel uses plastic material to process.
Wherein, this lens barrel is that liquid crystal polymer, polycarbonate and mixture of glass fibers, polymethyl benzene ethene or Maranyl material are processed.
Wherein, this lens barrel uses metal material to process.
Wherein, this fixture uses plastic material to process.
Wherein, this fixture is that plastic materials such as liquid crystal polymer, polycarbonate and mixture of glass fibers, polymethyl benzene ethene or polyamide are processed.
Wherein, this fixture uses metal material to process.
Wherein, this first liquid and this second liquid are the neither compatible liquid of silicone oil or alcohols.
The present invention introduces a buffer cell and is placed in the accommodation space of liquid lens assembly; Through this buffer cell under high pressure; Can the volume of modulation own with the mechanism of absorption pressure, the high pressure that is produced when solving sealed package liquid in the technology, and when changing because of environment temperature; The pressure that produces because of thermal expansivity, and then promote the manufacture qualified rate and the use reliability of liquid lens assembly.This buffer cell is except can effectively absorbing this liquid lens assembly when encapsulating; For reaching outside the sealing effectiveness institute applied pressure; Also can absorb this liquid lens assembly when external force causes operating temperature to raise, the different and deformation that produces of the thermal expansivity of different material.Make the whole fine ratio of product and the use reliability of liquid lens promote.
Description of drawings
Fig. 1 is the three-dimensional exploded view of liquid lens assembly first embodiment of the present invention;
Fig. 2 is the sectional view of liquid lens assembly first embodiment of the present invention;
Fig. 3 is the three-dimensional exploded view of liquid lens assembly second embodiment of the present invention;
Fig. 4 is the sectional view of liquid lens assembly second embodiment of the present invention.
Wherein, Reference numeral:
110: 170: the second liquid of lens barrel
112: upper shed 180: buffer cell
114: accommodation space 210: lens barrel
116: under shed 212: upper shed
118: external thread 214: accommodation space
120: cushion rubber 216: under shed
130: light transmission piece 218: protuberance
140: fixture 220: cushion rubber
142: roof 230: light transmission piece
144: surrounding wall 240: fixture
146: open-work 250: the transparency electrode sheet
148: 260: the first liquid of internal thread
150: 270: the second liquid of transparency electrode sheet
Liquid 280 in 160: the first: buffer cell
Embodiment
Cooperate and consult Fig. 1 and Fig. 2, be schematic appearance and the sectional view of liquid lens assembly first embodiment of the present invention.This liquid lens assembly includes: a lens barrel 110, a cushion rubber 120, a light transmission piece 130, a upper fixing element 140 and a transparency electrode sheet 150.
This lens barrel 110 has an accommodation space 114, and the upper shed 112 and the under shed 116 that are communicated with this accommodation space 114, and the outside surface of this lens barrel 110 is formed with an external thread 118.This lens barrel 110 uses liquid crystal polymer (liquid crystal polymer; LCP), polycarbonate (polycarbonate; PC) with mixture of glass fibers or polymethyl benzene ethene (polyvinyl toluene, PVT) or polyamide (polyamine PA) waits plastic material to process.
This cushion rubber 120 is arranged between these lens barrel 110 upper limbs and this light transmission piece 130, and this cushion rubber 120 uses fluorine unpigmented rubbers (FKM), fluoridize polysiloxane (fluorosilicone) or ethylene-propylene terpolymer elastic materials such as (EPDM) is processed.
This light transmission piece 130 is located at this lens barrel 110 upper limbs via this cushion rubber 120, and seals this upper shed 112.This light transmission piece 130 can be plastic lens, glass lens, sheet glass, dull and stereotyped transparent plastic or moulded glass.
This fixture 140 is in order to be fixed in this light transmission piece 130 this lens barrel 110 upper limbs; This fixture 140 include one replace this light transmission piece 130 downwards roof 142; And by this roof 142 to the surrounding wall that extends below 144, this roof 142 have one supply this light transmission piece 130 to expose open-work 146, and the inside surface of the surrounding wall 144 of this upper fixing element 140 is formed with an internal thread 148; This internal thread 148 in order to these external thread 118 corresponding screwing togather, in order to sealed and fixing this light transmission piece 130.This fixture 140 uses liquid crystal polymer (liquid crystal polymer; LCP), polycarbonate (polycarbonate; PC) with mixture of glass fibers or polymethyl benzene ethene (polyvinyl toluene, PVT) or polyamide (polyamine PA) waits plastic material to process.
This transparency electrode sheet 150 is arranged at the lower edge of this lens barrel 110, and seals this under shed 116.This transparency electrode sheet 150 is glass substrate or other light-permeable substrate, and on this substrate, is formed at this transparent substrates top electrode pattern (not icon).
In addition, liquid lens assembly of the present invention is ploughed and to be included one first liquid 160, one second liquid 170, and a buffer cell 180.This first liquid 160 is positioned at the accommodation space 114 of this lens barrel 110, and is adjacent to this transparency electrode sheet 150.This second liquid 170 also is positioned at this accommodation space 114, and is adjacent to this light transmission piece 130.This first liquid 160 is non-conductive and incompatible liquid such as silicone oil or alcohols with this second liquid 170, and this two liquid connects face and is formed with a predetermined curvature.
This buffer cell 180 is arranged in this accommodation space 114, and submerges in this liquid.In present embodiment; This buffer cell 180 is ring-type and the lower edge that places this accommodation space; Use ring texture can reduce the complexity of this liquid lens assembly when structure is assembled; And this ring texture makes this buffer cell 180 to absorb external pressure uniformly, avoids this liquid lens assembly because of pressurized inequality deformed damaged.In addition, this buffer cell 180 also can be bulk, strip or other meets the shape of encapsulating structure.This buffer cell 180 is Poly Foam (Expanded Polystyrene; EPS), Na Pulong (Expanded polypropylene; EPP), Yi Bilong (Extruded Polyethylene; EPE), a Ou Long (Expanded Piocelan, EPO), acryl foam or foam (Expanded polyurethane, foaminess material such as EPU).
When liquid lens when pressing seals, liquid promptly is limited in the accommodation space 114, adds the incompressible characteristic of liquid itself; Therefore, when pressing strength increases, can form high pressure and lens barrel 110, light transmission piece 130 or transparency electrode sheet 150 are imposed stress; Cause lens barrel 110 itself to be out of shape; Light transmission piece 130,150 flexural deformations of transparency electrode sheet even problem such as break make liquid spill in the accommodation space 114 and then the whole optical quality of influence.
This buffer cell 180 is because the combination between constituent is comparatively loose, and makes this buffer cell 180 when bearing external pressure, compressible itself volume and obtain inhaling the effect of pressure.Therefore, in being placed in liquid, this buffer cell 180 can reduced volume makes the pressure of total system reach equilibrium state along with external world's extruding.Therefore when placing seal fluid inside such as liquid lens when this buffer cell 180; This buffer cell 180 can change volume according to accommodation space 114 pressure inside; Reach the function that absorbs accommodation space 114 inner high voltages; Avoid the liquid lens assembly in when encapsulation, promptly because of bear excessive pressure cause housing, eyeglass bending break or liquid because of the problem such as excessive that is squeezed.
Remove above-mentioned external pressure, when the liquid lens assembly itself was in different temperatures, because the thermal expansivity of different material is different, therefore the volume change of various materials promptly became the source that influences liquid lens lens internal pressure.Place this moment the volume of the buffer cell of this liquid internal to follow variation of temperature and regulate the pressure in this accommodation space 114, cause damage when the temperature variation to avoid the liquid lens assembly.
Cooperate and consult Fig. 3 and Fig. 4, be respectively three-dimensional exploded view and the cut-open view of liquid lens assembly second embodiment of the present invention.This liquid lens assembly includes a lens barrel 210, a cushion rubber 220, a light transmission piece 230, a fixture 240,, a transparency electrode sheet 250, one first liquid 260, one second liquid 270 and a plurality of buffer cell 280.
This lens barrel 210 includes an accommodation space 214, and the upper shed 212 and the under shed 216 (not shown) that are communicated with this accommodation space, and these lens barrel 210 inside surfaces are extended with a plurality of protuberances 218, are equally spaced this accommodation space 214 that is distributed in.
This buffer cell 280 is strip, and places the gap of this protuberance 218.The buffer cell 280 of this strip is compared with the buffer cell 180 of above-mentioned first embodiment, and is comparatively easy on making, and can make cost of manufacture reduce.In addition, it is inner that this buffer cell is equally spaced this lens barrel that is distributed in, and can reach the function of uniform-compression, avoids lens barrel to be out of shape breaking-up because of pressurized is uneven.
This light transmission piece 230 is arranged between these lens barrel 210 upper limbs and this cushion rubber 220, and seals this upper shed 212.This cushion rubber 220 is located at this lens barrel 210 upper limbs via this light transmission piece 230, and around this upper shed 212.This fixture 240 to be resisted against on this light transmission piece 230, makes 210 of this light transmission piece 230 and this lens barrels keep good sealing property through this cushion rubber 220.
This euphotic electrode sheet 250 is arranged at the lower edge of this lens barrel 210, and seals this under shed 216.This first liquid 260 is positioned at this accommodation space 214 with 270 of this second liquid, and the face that connects of this first liquid and this second liquid is formed with a predetermined curved surface.
In the present embodiment,, can avoid this buffer cell 280 when this lens barrel 210 and this upper fixing element 240 are sealed, promptly compress partly volume to bear fluid pressure through this cushion rubber 220 is moved on this light transmission piece 230.Be under the high-temperature operation and work as the liquid lens assembly, the ability that this buffer cell 280 bears the pressure change volume descends thereupon, makes this liquid lens assembly under high-temperature operation, produce damage.
In addition, the lens barrel of liquid lens of the present invention and this fixture also can use the metal material replacement.Can effectively absorb the pressure that this lens barrel and this fixture are produced when the pressing through this buffer cell, avoid the liquid lens assembly in packaging technology, promptly damage, reach the effect that promotes the product yield because of bearing pressing pressure.
Comprehensive the above; The present invention introduces a buffer cell and is placed in the accommodation space of liquid lens assembly, through this buffer cell under high pressure, can the volume of modulation own with the mechanism of absorption pressure; The high pressure that is produced when solving sealed package liquid in the technology; And when changing because of environment temperature, the pressure that produces because of thermal expansivity, and then promote the manufacture qualified rate and the use reliability of liquid lens assembly.
Certainly; The present invention also can have other various embodiments; Under the situation that does not deviate from spirit of the present invention and essence thereof; Those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (15)
1. a liquid lens assembly is characterized in that, comprises:
One lens barrel has an accommodation space, and the upper and lower opening that is communicated with this accommodation space;
One cushion rubber is arranged at this lens barrel upper limb, and is surrounded on this upper shed, and this cushion rubber uses fluorine unpigmented rubber, fluoridize polysiloxane and the ethylene-propylene terpolymer material is processed;
One light transmission piece is arranged at this lens barrel upper limb, and seals this upper shed;
One transparency electrode sheet is arranged at this lens barrel lower edge and seals this under shed;
One first liquid is positioned at this accommodation space, and is adjacent to this transparency electrode sheet;
One second liquid is positioned at this accommodation space, and contiguous this light transmission piece;
One buffer cell is positioned at this accommodation space, and submerges in this liquid, and this buffer cell is Poly dragon, Na Pulong, Yi Bilong, a Ou Long or foam, and
One fixture is in order to fixing this light transmission piece.
2. liquid lens assembly according to claim 1 is characterized in that this cushion rubber is positioned at the top of this light transmission piece.
3. liquid lens assembly according to claim 1 is characterized in that this cushion rubber is positioned at the below of this light transmission piece.
4. liquid lens assembly according to claim 1 is characterized in that, this fixture include one replace this light transmission piece downwards roof, and by this roof to the surrounding wall that extends below, this roof have one supply this light transmission piece to expose open-work.
5. liquid lens assembly according to claim 1 is characterized in that, this buffer cell is that bulk, ring-type, strip or other meet the shape of encapsulating structure.
6. liquid lens assembly according to claim 1 is characterized in that, this light transmission piece is glass mirror, glass lens, sheet glass, flat plastic or model plastics.
7. liquid lens assembly according to claim 1 is characterized in that, this euphotic electrode sheet includes a transparent substrates, and is formed at the electrode pattern on this transparent substrates.
8. liquid lens assembly according to claim 7 is characterized in that, this transparent substrates is the substrate of glass substrate or other light-permeable.
9. liquid lens assembly according to claim 1 is characterized in that, this lens barrel uses plastic material to process.
10. liquid lens assembly according to claim 9 is characterized in that, this lens barrel is that liquid crystal polymer, polycarbonate and mixture of glass fibers, polymethyl benzene ethene or Maranyl material are processed.
11. liquid lens assembly according to claim 1 is characterized in that, this lens barrel uses metal material to process.
12. liquid lens assembly according to claim 1 is characterized in that, this fixture uses plastic material to process.
13. liquid lens assembly according to claim 12 is characterized in that, this fixture is that liquid crystal polymer, polycarbonate and mixture of glass fibers, polymethyl benzene ethene or Maranyl material are processed.
14. liquid lens assembly according to claim 1 is characterized in that, this fixture uses metal material to process.
15. liquid lens assembly according to claim 1 is characterized in that, this first liquid and this second liquid are the neither compatible liquid of silicone oil or alcohols.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910168589A CN101995631B (en) | 2009-08-25 | 2009-08-25 | Liquid lens component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910168589A CN101995631B (en) | 2009-08-25 | 2009-08-25 | Liquid lens component |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101995631A CN101995631A (en) | 2011-03-30 |
| CN101995631B true CN101995631B (en) | 2012-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910168589A Expired - Fee Related CN101995631B (en) | 2009-08-25 | 2009-08-25 | Liquid lens component |
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| Country | Link |
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| CN (1) | CN101995631B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI447423B (en) | 2011-10-17 | 2014-08-01 | Nat Univ Tsing Hua | Liquid combination for dielectric liquid lens |
| CN103293571B (en) * | 2012-02-24 | 2015-11-25 | 叶哲良 | Be applied to the liquid combination of dielectric cleaning liquid lens |
| CN104122664A (en) * | 2013-04-24 | 2014-10-29 | 齐发光电股份有限公司 | Liquid lens package structure |
| CN110824656B (en) * | 2018-08-07 | 2022-05-27 | 宁波舜宇车载光学技术有限公司 | Optical lens and buffer lens and manufacturing method thereof |
| SG10201900172RA (en) * | 2019-01-08 | 2020-08-28 | Delta Electronics Int’L Singapore Pte Ltd | Multi-color fluorescent excitation and detection device |
| CN113625444B (en) * | 2021-08-05 | 2023-06-16 | 维沃移动通信有限公司 | Lens and electronic device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201281769Y (en) * | 2008-06-24 | 2009-07-29 | 菱光科技股份有限公司 | Liquid lens component |
| CN201293841Y (en) * | 2008-11-13 | 2009-08-19 | 菱光科技股份有限公司 | Liquid lens component |
-
2009
- 2009-08-25 CN CN200910168589A patent/CN101995631B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201281769Y (en) * | 2008-06-24 | 2009-07-29 | 菱光科技股份有限公司 | Liquid lens component |
| CN201293841Y (en) * | 2008-11-13 | 2009-08-19 | 菱光科技股份有限公司 | Liquid lens component |
Non-Patent Citations (3)
| Title |
|---|
| JP平1-318473A 1989.12.22 |
| JP昭64-10792A 1989.01.13 |
| JP特开2007-206325A 2007.08.16 |
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| Publication number | Publication date |
|---|---|
| CN101995631A (en) | 2011-03-30 |
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Granted publication date: 20121017 Termination date: 20130825 |