TWI615639B - Liquid lens - Google Patents
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Abstract
一種液態透鏡,包含一個可透光的外殼,以及一個可透光的液體介質。該外殼包括一個基壁,以及一個連接該基壁且呈弧曲狀的殼壁,該殼壁與該基壁共同界定一個容室。該液體介質填充於該容室。該外殼的折射率為n1,該液體介質的折射率為n2,且∣n1-n2∣≦0.05。藉由該液體介質與該外殼搭配形成透鏡,具有重量輕的優點。而且本發明的外殼厚度較薄、容易製作、成型厚度易控制,可以避免以往塑膠透鏡於厚度較厚處之局部厚度縮水的問題,故本發明液態透鏡的品質佳,能達到所需要的光學效果。A liquid lens comprising a light transmissive outer casing and a light transmissive liquid medium. The outer casing includes a base wall and an arcuate shell wall connecting the base wall, the shell wall and the base wall defining a chamber. The liquid medium is filled in the chamber. The outer shell has a refractive index n1, the liquid medium has a refractive index n2, and ∣n1-n2 ∣≦ 0.05. The liquid medium is combined with the outer casing to form a lens, which has the advantage of being light in weight. Moreover, the thickness of the outer casing of the invention is thin, easy to manufacture, and the thickness of the molding is easy to control, so that the problem of shrinkage of the local thickness of the plastic lens in the thick portion can be avoided, so that the liquid lens of the invention has good quality and can achieve the required optical effect. .
Description
本發明是有關於一種透鏡,特別是指一種應用於車燈,且其中填充有液體介質的液態透鏡。The present invention relates to a lens, and more particularly to a liquid lens that is applied to a vehicle lamp and filled with a liquid medium.
已知的一種車燈,包含一外殼、至少一安裝在該外殼中的發光元件,以及一位於該發光元件前側的透鏡,該透鏡能將該發光元件的光線導引成適當光形,並且聚光後再投射出。該透鏡為一凸透鏡,通常採用玻璃或塑膠材質製成。但玻璃透鏡的重量較重,當車燈振動時,容易導致車燈中用於固定該玻璃透鏡的一固定框架發生損裂。另一方面,由於凸透鏡整體的厚度並非均勻,凸透鏡上厚度最大處相對厚度最小處,有一定程度的厚度差,而採用塑膠材質製成透鏡雖然具有輕量優點,但是於實務上發現,以塑膠射出成型透鏡時,於透鏡的最大厚度處之局部厚度縮水問題非常明顯,因此塑膠透鏡的成型精度不佳、品質不良,會影響光學效果。此外,以塑膠成型此種凸透鏡型態之透鏡,其成型時間高達30~40分鐘、成型不良率高,透鏡內易生氣泡及霧狀。所以已知的透鏡仍有待改良。A known lamp includes a casing, at least one light-emitting component mounted in the casing, and a lens on a front side of the light-emitting component, the lens capable of guiding the light of the light-emitting component into a proper light shape, and collecting Projected after the light. The lens is a convex lens and is usually made of glass or plastic. However, the weight of the glass lens is relatively heavy, and when the lamp is vibrated, it tends to cause damage to a fixed frame of the lamp for fixing the glass lens. On the other hand, since the thickness of the entire convex lens is not uniform, the thickness of the convex lens is the smallest and the thickness is the smallest, and there is a certain degree of thickness difference. Although the lens made of plastic material has the advantage of being lightweight, it is found in practice that plastic is used. When the molded lens is injected, the local thickness shrinkage problem at the maximum thickness of the lens is very conspicuous, so that the plastic lens has poor molding precision and poor quality, which may affect the optical effect. In addition, the lens of this type of convex lens is molded by plastic, and the molding time is as high as 30 to 40 minutes, the molding failure rate is high, and bubbles and mist are easily formed in the lens. Therefore, known lenses still need to be improved.
因此,本發明之目的,即在提供一種兼具重量輕、厚度易控制、品質佳等優點的液態透鏡。Accordingly, it is an object of the present invention to provide a liquid lens which combines the advantages of light weight, easy thickness control, and good quality.
於是,本發明液態透鏡,包含一個可透光的外殼,以及一個可透光的液體介質。該外殼包括一個基壁,以及一個連接該基壁且呈弧曲狀的殼壁,該殼壁與該基壁共同界定一個容室。該液體介質填充於該容室。該外殼的折射率為n1,該液體介質的折射率為n2,且∣n1-n2∣≦0.05。Thus, the liquid lens of the present invention comprises a light transmissive outer casing and a light transmissive liquid medium. The outer casing includes a base wall and an arcuate shell wall connecting the base wall, the shell wall and the base wall defining a chamber. The liquid medium is filled in the chamber. The outer shell has a refractive index n1, the liquid medium has a refractive index n2, and ∣n1-n2 ∣≦ 0.05.
本發明之功效在於:藉由該液體介質填充於該外殼的容室,與該外殼搭配形成透鏡,具有重量輕的優點。而且本發明的外殼厚度較薄、容易製作、成型厚度易控制,可以避免以往塑膠透鏡於厚度較厚處之局部厚度縮水的問題,故本發明液態透鏡的品質佳,能達到所需要的光學效果。The invention has the advantages that the liquid medium is filled in the chamber of the outer casing, and the lens is combined with the outer casing to form a lens, which has the advantages of light weight. Moreover, the thickness of the outer casing of the invention is thin, easy to manufacture, and the thickness of the molding is easy to control, so that the problem of shrinkage of the local thickness of the plastic lens in the thick portion can be avoided, so that the liquid lens of the invention has good quality and can achieve the required optical effect. .
參閱圖1、2、3,本發明液態透鏡之一實施例,可應用於車燈,該車燈例如車頭燈、霧燈等等,本實施例之液態透鏡使用於車燈中,用於將該車燈的一光源的光線導引成適當光形,並使光線通過射出。本實施例之液態透鏡是一個凸透鏡,並包含一個可透光的外殼1,以及一個可透光的液體介質2。Referring to Figures 1, 2 and 3, an embodiment of the liquid lens of the present invention can be applied to a vehicle lamp, such as a headlight, a fog lamp, etc., and the liquid lens of this embodiment is used in a vehicle lamp for The light of a light source of the lamp is guided into a suitable light shape and the light is passed through. The liquid lens of this embodiment is a convex lens and comprises a light transmissive outer casing 1 and a light transmissive liquid medium 2.
該外殼1包括一個基壁11,以及一個周緣連接該基壁11且呈弧曲狀的殼壁12,該殼壁12與該基壁11共同界定一個呈凸透鏡形狀的容室10。該基壁11為一個板片狀,且為非均勻厚度之設計,在本實施例中,該基壁11的中央部位的厚度d1大於其周緣部位的厚度d2。該基壁11包括一朝向該容室10且朝前的第一面111、一相反於該第一面111且朝後的第二面112、連通該容室10的一個注液孔113與一個排氣孔114、二個分別填充於該注液孔113與該排氣孔114的密封膠115,以及一個位於該第一面111的第一組裝部116。該注液孔113與該排氣孔114皆鄰近該基壁11的周緣部位,且彼此互相遠離而間隔相對,該注液孔113與該排氣孔114都是自該第一面111朝該第二面112延伸貫穿。該第一組裝部116為一個凹陷形成於該第一面111的環槽。The outer casing 1 includes a base wall 11 and an arcuate shell wall 12 that is circumferentially joined to the base wall 11. The shell wall 12 and the base wall 11 together define a chamber 10 in the shape of a convex lens. The base wall 11 is in the form of a plate and has a non-uniform thickness. In the present embodiment, the thickness d1 of the central portion of the base wall 11 is greater than the thickness d2 of the peripheral portion thereof. The base wall 11 includes a first surface 111 facing the chamber 10 and facing forward, a second surface 112 opposite to the first surface 111 and facing rearward, and a liquid injection hole 113 communicating with the chamber 10 and a The vent hole 114, two sealants 115 respectively filled in the liquid injection hole 113 and the vent hole 114, and a first assembly portion 116 located on the first surface 111. The liquid injection hole 113 and the vent hole 114 are adjacent to the peripheral portion of the base wall 11 and are spaced apart from each other and spaced apart from each other. The liquid injection hole 113 and the vent hole 114 are both from the first surface 111. The second face 112 extends throughout. The first assembly portion 116 is a ring groove formed in the first surface 111 by a recess.
該殼壁12包括一個與該基壁11間隔相對的出光部121,以及一個呈環狀並連接於該出光部121與該基壁11間的連接部122。以該殼壁12的整體外型來看,該殼壁12自該連接部122往該出光部121逐漸朝遠離該基壁11的方向(亦即朝前)弧突,使本發明整體形成一個凸透鏡構造。以該殼壁12的厚度來看,其為非均勻厚度之設計,因此該出光部121的厚度d3與該連接部122的厚度d4不相同,具體而言,本實施例的殼壁12厚度自該連接部122往該出光部121逐漸變厚,因此d3大於d4。該殼壁12的最薄部位的厚度大於或等於2mm,該殼壁12的最厚部位的厚度小於或等於5mm。由於該殼壁12厚度太薄時,不易製作成型,而厚度太厚度則容易於射出成型時產生局部性縮水、厚度不足的問題,故該殼壁12的厚度較佳地為上述範圍。The casing wall 12 includes a light exit portion 121 spaced apart from the base wall 11 and a connecting portion 122 that is annular and connected between the light exit portion 121 and the base wall 11. In view of the overall shape of the shell wall 12, the shell wall 12 gradually diverge from the connecting portion 122 toward the light exit portion 121 in a direction away from the base wall 11 (ie, forwardly), so that the present invention forms a whole. Convex lens construction. The thickness of the light exit portion 121 is different from the thickness d4 of the connecting portion 122. Specifically, the thickness of the shell wall 12 of the present embodiment is different from that of the thickness of the shell wall 12 . The connecting portion 122 gradually becomes thicker toward the light exit portion 121, so d3 is larger than d4. The thickness of the thinnest portion of the shell wall 12 is greater than or equal to 2 mm, and the thickness of the thickest portion of the shell wall 12 is less than or equal to 5 mm. Since the thickness of the shell wall 12 is too thin, it is difficult to form a mold, and if the thickness is too thick, it is easy to cause local shrinkage and insufficient thickness during injection molding. Therefore, the thickness of the shell wall 12 is preferably in the above range.
該殼壁12還包括一個由該出光部121與連接部122共同形成且朝向該基壁11的該第一面111的第一殼面123、一個相反於該第一殼面123並由該出光部121與連接部122共同形成的第二殼面124,以及一個位於該第一殼面123並用於與該第一組裝部116嵌卡結合的第二組裝部125。該第二組裝部125為一個形成於該第一殼面123鄰近周緣處且朝該基壁11的第一組裝部116卡入的突環。於實施時,該第二組裝部125不以一環為限制,例如也可以包括二個間隔的突塊,此時該第一組裝部116可以包括二個間隔並分別供該等突塊卡入的凹槽,此外,該第二組裝部125與第一組裝部116的凹凸結構也可以互換。亦即,本發明的第二組裝部125與第一組裝部116的凹凸結構與結構數量不須限制,只要能使該基壁11與殼壁12組裝結合在一起即可。The shell wall 12 further includes a first shell surface 123 formed by the light exit portion 121 and the connecting portion 122 facing the first surface 111 of the base wall 11 , and a light opposite to the first shell surface 123 The second shell surface 124 formed by the portion 121 and the connecting portion 122, and a second assembly portion 125 located on the first shell surface 123 for engaging with the first assembly portion 116. The second assembling portion 125 is a protruding ring formed at a periphery of the first shell surface 123 and engaging with the first assembling portion 116 of the base wall 11 . In the implementation, the second assembly portion 125 is not limited by a ring. For example, the two assembly portions may include two spaced protrusions. In this case, the first assembly portion 116 may include two spaces and are respectively engaged by the protrusions. In addition, the concave and convex structures of the second assembly portion 125 and the first assembly portion 116 may be interchanged. That is, the number of the uneven structure and the structure of the second assembling portion 125 and the first assembling portion 116 of the present invention need not be limited as long as the base wall 11 and the casing wall 12 can be assembled and coupled together.
需要說明的是,本實施例的外殼1是由該基壁11與該殼壁12結合構成,但於實施時,該外殼1整體也可以為一體成型。該外殼1材質(包含該基壁11與該殼壁12材質)為可透光的高分子材料,例如壓克力(PMMA)、聚碳酸酯(PC)等等,本實施例是使用壓克力,其折射率約為1.47~1.55。It should be noted that the outer casing 1 of the present embodiment is formed by combining the base wall 11 and the casing wall 12. However, when implemented, the outer casing 1 may be integrally formed as a whole. The material of the outer casing 1 (including the base wall 11 and the material of the shell wall 12) is a light transmissive polymer material, such as acrylic (PMMA), polycarbonate (PC), etc., in this embodiment, the use of acrylic The force has a refractive index of about 1.47 to 1.55.
該液體介質2填充於該容室10,其折射率與該外殼1的折射率不可差異過大,以減少液體與該外殼1因不同材質間所造成的光折射效果之差異,以降低光學性能的輸出損耗。因此,該外殼1的折射率為n1,該液體介質2的折射率為n2,且∣n1-n2∣≦0.05。該液體介質2為透明液體,或者選用與該外殼1之PMMA、PC材料顏色接近之液體。該液體介質2可以使用不易揮發、沸點高、凝固點低的液體,使本發明可適用於高溫、低溫與各種環境中。也就是說,本發明該液體介質2為一種與該外殼1折射率接近(符合∣n1-n2∣≦0.05),並能達到車燈所須的光學效果的光學液體。The liquid medium 2 is filled in the chamber 10, and the refractive index thereof is not excessively different from the refractive index of the outer casing 1 to reduce the difference in light refraction between the liquid and the outer casing 1 due to different materials to reduce optical performance. Output loss. Therefore, the outer casing 1 has a refractive index n1, the liquid medium 2 has a refractive index n2, and ∣n1-n2 ∣≦ 0.05. The liquid medium 2 is a transparent liquid, or a liquid having a color close to that of the PMMA or PC material of the outer casing 1 is used. The liquid medium 2 can use a liquid which is less volatile, has a high boiling point, and has a low freezing point, so that the present invention can be applied to high temperatures, low temperatures, and various environments. That is, the liquid medium 2 of the present invention is an optical liquid which is close to the refractive index of the outer casing 1 (according to ∣n1-n2 ∣≦ 0.05) and which can achieve the optical effect required for the lamp.
本發明製作時,該基壁11與該殼壁12可以利用塑膠射出成型方式製作,再將該基壁11與該殼壁12組裝結合,進一步地可利用膠體將兩者黏著固定。接著自該注液孔113注入該液體介質2,使該液體介質2填充該容室10,注液的過程中,該容室10中的空氣則自該排氣孔114向外排出。將該液體介質2填滿該容室10後,再將具有黏性的膠體注入該注液孔113與該排氣孔114,進而形成該等密封膠115,以將該等孔洞黏著密封住,使該容室10成為密閉空間,該液體介質2能穩定且不外漏地填充於其中。藉由該液體介質2填充於凸透鏡形狀的該容室10,使本發明形成一個液態凸透鏡。In the production of the present invention, the base wall 11 and the shell wall 12 can be formed by plastic injection molding, and the base wall 11 and the shell wall 12 can be assembled and combined, and the two can be adhered and fixed by a colloid. The liquid medium 2 is then injected from the liquid injection hole 113, and the liquid medium 2 is filled into the chamber 10. During the liquid injection, the air in the chamber 10 is discharged outward from the vent hole 114. After the liquid medium 2 is filled into the chamber 10, a viscous colloid is injected into the liquid injection hole 113 and the vent hole 114, thereby forming the sealant 115 to seal the holes. The chamber 10 is made to be a closed space, and the liquid medium 2 can be stably filled therein without leaking. The liquid medium 2 is filled in the cavity 10 in the shape of a convex lens to form a liquid convex lens.
本實施例之液態透鏡作為車燈透鏡使用時,光線由該基壁11的該第二面112進入,經由該液體介質2的折射與導引後,再由該殼壁12的該第二殼面124向外射出,並且形成符合法規要求之光形與亮度。由於液體介質2與該外殼1的折射率差異過大時,會造成光線於不同介質間產生明顯的折射,可能造成透鏡無法聚焦、光學效果變差,故本發明除了限定∣n1-n2∣≦0.05以外,更進一步地,該基壁11的中央部位的厚度d1大於其周緣部位的厚度d2,以及該殼壁12的該出光部121厚度d3大於連接部122的厚度d4,也是為了修正該液體介質2與該外殼1間的折射率差異所造成的光學差異,使本發明可以良好聚焦,達到預定的光學效果。其中,光線由該殼壁12射出時,經由該出光部121相對於該連接部122射出的光較多,而當該外殼1之固體部分的厚度增加時,更有利於補償上述固體與液體間的光學差異,因此本實施例在設計該外殼1的厚度變化時,才需要將該出光部121設計的比該連接部122厚(即d3>d4),而該基壁11的中央部位對應於光線通過量較多的該出光部121,故該基壁11的中央部位設計的比其周緣部位厚(即d1>d2)。When the liquid lens of the embodiment is used as a lamp lens, light is entered by the second surface 112 of the base wall 11, and after the refraction and guidance of the liquid medium 2, the second shell of the shell wall 12 is further The face 124 is ejected outwardly and forms a shape and brightness that meets regulatory requirements. Since the difference in refractive index between the liquid medium 2 and the outer casing 1 is too large, the light may be significantly refracted between different media, which may cause the lens to be out of focus and the optical effect to be deteriorated. Therefore, the present invention is not limited to ∣n1-n2∣≦0.05. Further, the thickness d1 of the central portion of the base wall 11 is greater than the thickness d2 of the peripheral portion thereof, and the thickness d3 of the light exit portion 121 of the shell wall 12 is greater than the thickness d4 of the connecting portion 122, also for correcting the liquid medium. The optical difference caused by the difference in refractive index between the outer casing 1 and the outer casing 1 allows the present invention to be well focused to achieve a predetermined optical effect. When the light is emitted from the shell wall 12, the light emitted from the light exit portion 121 is relatively large with respect to the connecting portion 122. When the thickness of the solid portion of the outer casing 1 is increased, it is more advantageous to compensate the solid and liquid. Therefore, in the embodiment, when the thickness of the outer casing 1 is changed, the light exit portion 121 is required to be thicker than the connecting portion 122 (ie, d3>d4), and the central portion of the base wall 11 corresponds to Since the light passes through the light exiting portion 121 having a large amount of light, the central portion of the base wall 11 is designed to be thicker than the peripheral portion thereof (i.e., d1 > d2).
綜上所述,藉由該液體介質2填充於該外殼1的容室10,與該外殼1搭配形成透鏡,具有重量輕的優點,可以改善以往玻璃透鏡過重的問題。另外,相較於以往的塑膠透鏡,本發明的外殼1厚度較薄、容易製作、成型厚度易控制,可以避免以往塑膠透鏡於厚度較厚處之局部厚度縮水的問題,成型時間也相對較短、良率高。再搭配該外殼1與該液體介質2間的折射率差值關係,使本發明液態透鏡整體之折射與導光效果佳,能達到所需要的光學效果。As described above, the liquid medium 2 is filled in the chamber 10 of the outer casing 1, and the lens 1 is combined with the outer casing 1 to form a lens, which has the advantage of being light in weight, and can improve the problem of the conventional glass lens being excessively heavy. In addition, compared with the conventional plastic lens, the outer casing 1 of the present invention has a thinner thickness, is easy to manufacture, and has a simple thickness to be controlled, thereby avoiding the problem that the conventional plastic lens shrinks at a local thickness in a thick portion, and the molding time is relatively short. Good yield. Further, the relationship between the refractive index difference between the outer casing 1 and the liquid medium 2 is such that the overall refractive index and light guiding effect of the liquid lens of the present invention is good, and the desired optical effect can be achieved.
惟以上所述者,僅為本發明之實施例而已,當不能以此限定本發明實施之範圍,凡是依本發明申請專利範圍及專利說明書內容所作之簡單的等效變化與修飾,皆仍屬本發明專利涵蓋之範圍內。However, the above is only the embodiment of the present invention, and the scope of the invention is not limited thereto, and all the equivalent equivalent changes and modifications according to the scope of the patent application and the patent specification of the present invention are still The scope of the invention is covered.
1‧‧‧外殼 1‧‧‧Shell
10‧‧‧容室 10‧‧‧ Room
11‧‧‧基壁 11‧‧‧ base wall
111‧‧‧第一面 111‧‧‧ first side
112‧‧‧第二面 112‧‧‧ second side
113‧‧‧注液孔 113‧‧‧ injection hole
114‧‧‧排氣孔 114‧‧‧ venting holes
115‧‧‧密封膠 115‧‧‧Sealing adhesive
116‧‧‧第一組裝部 116‧‧‧First Assembly Department
12‧‧‧殼壁 12‧‧‧ shell wall
121‧‧‧出光部 121‧‧‧Lighting Department
122‧‧‧連接部 122‧‧‧Connecting Department
123‧‧‧第一殼面 123‧‧‧ first shell surface
124‧‧‧第二殼面 124‧‧‧Second shell surface
125‧‧‧第二組裝部 125‧‧‧Second Assembly Department
2‧‧‧液體介質 2‧‧‧Liquid medium
d1~d4‧‧‧厚度 D1~d4‧‧‧ thickness
本發明之其他的特徵及功效,將於參照圖式的實施方式中清楚地呈現,其中: 圖1是本發明液態透鏡的一實施例的一側視剖視圖; 圖2是該實施例的一外殼的一立體分解圖;及 圖3是一流程示意圖,顯示該實施例的製造過程。BRIEF DESCRIPTION OF THE DRAWINGS Other features and advantages of the present invention will be apparent from the embodiments of the present invention, wherein: Figure 1 is a side elevational view of an embodiment of a liquid lens of the present invention; Figure 2 is a housing of the embodiment An exploded perspective view; and FIG. 3 is a flow diagram showing the manufacturing process of the embodiment.
<TABLE border="1" borderColor="#000000" width="85%"><TBODY><tr><td> 1·········· 外殼 10········ 容室 11········ 基壁 111······ 第一面 112······ 第二面 113······ 注液孔 114······ 排氣孔 115······ 密封膠 116······ 第一組裝部 </td><td> 12········ 殼壁 121······ 出光部 122······ 連接部 123······ 第一殼面 124······ 第二殼面 125······ 第二組裝部 2·········· 液體介質 d1~d4·· 厚度 </td></tr></TBODY></TABLE><TABLE border="1" borderColor="#000000" width="85%"><TBODY><tr><td> 1·········· · Shell 10········ The chamber 11········ The base wall 111······ The first surface 112······ The second surface 113······ The liquid injection hole 114······ Vent hole 115······ Sealant 116······ First assembly unit </td><td> 12········ Shell wall 121······ 122······ Connection part 123······ First shell surface 124······ Second shell surface 125······ Second assembly unit 2······· ··· Liquid medium d1~d4·· Thickness</td></tr></TBODY></TABLE>
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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TW105125410A TWI615639B (en) | 2016-08-10 | 2016-08-10 | Liquid lens |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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TW105125410A TWI615639B (en) | 2016-08-10 | 2016-08-10 | Liquid lens |
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TW201805659A TW201805659A (en) | 2018-02-16 |
TWI615639B true TWI615639B (en) | 2018-02-21 |
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TW105125410A TWI615639B (en) | 2016-08-10 | 2016-08-10 | Liquid lens |
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TW (1) | TWI615639B (en) |
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CN110837172B (en) * | 2019-11-15 | 2022-04-15 | 业成科技(成都)有限公司 | Lens group and laminating method thereof |
CN113156556A (en) * | 2021-04-26 | 2021-07-23 | 安徽美高美高分子材料有限公司 | Acrylic plate capable of changing transmittance |
CN114296163B (en) * | 2021-12-31 | 2024-01-12 | 核工业西南物理研究院 | Zoom lens capable of changing liquid optical medium and zooming method |
Citations (4)
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---|---|---|---|---|
CN1077289A (en) * | 1991-03-30 | 1993-10-13 | 南东顺 | Fluid lens and manufacture method thereof |
US5684636A (en) * | 1995-08-24 | 1997-11-04 | Lockheed Martin Corporation | Polymer-optical liquid matrix for use as a lens element |
TW200817723A (en) * | 2006-10-05 | 2008-04-16 | Paul & Amp Charlene Invest Inc | A liquid inserted lens and solar panel focusing system |
CN103154779A (en) * | 2010-09-29 | 2013-06-12 | 庄臣及庄臣视力保护公司 | Liquid meniscus lens including meniscus wall with microchannels |
-
2016
- 2016-08-10 TW TW105125410A patent/TWI615639B/en not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1077289A (en) * | 1991-03-30 | 1993-10-13 | 南东顺 | Fluid lens and manufacture method thereof |
US5684636A (en) * | 1995-08-24 | 1997-11-04 | Lockheed Martin Corporation | Polymer-optical liquid matrix for use as a lens element |
TW200817723A (en) * | 2006-10-05 | 2008-04-16 | Paul & Amp Charlene Invest Inc | A liquid inserted lens and solar panel focusing system |
CN103154779A (en) * | 2010-09-29 | 2013-06-12 | 庄臣及庄臣视力保护公司 | Liquid meniscus lens including meniscus wall with microchannels |
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