TW201802496A - Optical element, optical module and manufacturing method thereof reducing the manufacturing cost and exhibiting excellent optical performance - Google Patents
Optical element, optical module and manufacturing method thereof reducing the manufacturing cost and exhibiting excellent optical performance Download PDFInfo
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- 230000003287 optical effect Effects 0.000 title claims abstract description 349
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- 230000001747 exhibiting effect Effects 0.000 title 1
- 239000011347 resin Substances 0.000 claims abstract description 140
- 229920005989 resin Polymers 0.000 claims abstract description 140
- 239000011521 glass Substances 0.000 claims abstract description 130
- 239000000463 material Substances 0.000 claims abstract description 30
- 238000002347 injection Methods 0.000 claims description 22
- 239000007924 injection Substances 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 16
- 239000003292 glue Substances 0.000 claims description 13
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- 229920001187 thermosetting polymer Polymers 0.000 description 2
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Abstract
Description
本發明為有關一種光學元件、光學模組及其製造方法,尤指一種複合式光學元件、光學模組及其製造方法。The invention relates to an optical element, an optical module and a manufacturing method thereof, and in particular to a composite optical element, an optical module and a manufacturing method thereof.
光學元件泛指透鏡、稜鏡、面鏡、濾光片、各種鏡頭或鏡片或其組合,其為光學應用之核心零組件。光學元件之用途廣泛,例如顯微鏡、放大鏡、望遠鏡、照相機及攝影機等傳統光學器材;或如手機、數位相機等消費性電子;乃至醫療、工業檢測、量測等產業。光學元件的品質決定所應用之裝置的性能優劣,例如高精度的光學元件可提供銳利而失真極低的成像。Optical components refer to lenses, lenses, masks, filters, various lenses or lenses, or combinations thereof, which are the core components of optical applications. Optical components are widely used, such as traditional optical equipment such as microscopes, magnifying glasses, telescopes, cameras, and video cameras; or consumer electronics such as mobile phones and digital cameras; and even medical, industrial inspection, and measurement industries. The quality of the optical components determines the performance of the device used. For example, high-precision optical components can provide sharp and extremely low-distortion imaging.
傳統的光學元件可參本案申請人所提出申請的中華民國新型專利公告第M399992號,提出一種具高耐熱性之複合鏡片,包含有一第一鏡片以及一第二鏡片,該第一鏡片具有一第一曲面與一第二曲面,該第二鏡片為一熱固性樹脂成形於該第一鏡片相對該第二曲面之位置,該第二鏡片相對該第一鏡片之一側具有一第三曲面。The traditional optical element can refer to the Republic of China New Patent Publication No. M399992 filed by the applicant of this case, and proposes a compound lens with high heat resistance, which includes a first lens and a second lens. The first lens has a first lens and a second lens. A curved surface and a second curved surface. The second lens is formed of a thermosetting resin at a position of the first lens relative to the second curved surface. The second lens has a third curved surface opposite to one side of the first lens.
以製造方法來說,可參本案申請人另提出申請的中華民國發明專利公開第201026488號,提出一種光學元件的製造方法,包含有以下步驟:提供一模具,該模具具有一下成形面及一上成形面,且該下成形面之曲率半徑小於該上成形面之曲率半徑;提供一套筒,該套筒具有一外表面、一內表面及至少一溝槽,該溝槽係環設於該內表面,且該溝槽具有一導引面及一承載面,該導引面自該下成形面朝向該上成形面之方向,由該套筒之該內表面朝該外表面的方向傾斜設置,而該承載面係垂直於該內表面,並與該導引面之間形成一傾斜角度;放置一光學材料於該套筒內,且該光學材料之放置位置係對應該溝槽;以及軟化該光學材料,並以該模具之該下成形面及該上成形面壓合該光學材料,使該光學材料貼合於該套筒之該內表面,並經由該導引面的導引而嵌入該溝槽,並抵止於該承載面上,同時令該光學材料形成具有一第一鏡面及一第二鏡面之一光學透鏡。In terms of manufacturing methods, the Republic of China Invention Patent Publication No. 201026488, which can be filed separately by the applicant of the present case, proposes a method for manufacturing an optical element, including the following steps: providing a mold having a lower forming surface and an upper surface; A forming surface, and a curvature radius of the lower forming surface is smaller than a curvature radius of the upper forming surface; a sleeve is provided, the sleeve has an outer surface, an inner surface, and at least one groove, and the groove is ring-shaped An inner surface, and the groove has a guide surface and a bearing surface, the guide surface is inclined from the lower forming surface toward the upper forming surface, and is arranged from the inner surface of the sleeve to the outer surface And the bearing surface is perpendicular to the inner surface and forms an inclined angle with the guide surface; an optical material is placed in the sleeve, and the optical material is placed in a position corresponding to the groove; and the softening The optical material is pressed against the optical material by the lower forming surface and the upper forming surface of the mold, so that the optical material is adhered to the inner surface of the sleeve, and is embedded by being guided by the guide surface. The ditch And stopped by the supporting surface, while enabling the optical material forming a first mirror and a second one having a surface on the optical lens.
此外,也可參中華民國發明專利公開第201248237號,提出一種定焦投影鏡頭,包含有沿一光軸且由一成像側至一像源側依序排列之一第一鏡群以及一第二鏡群,該第一鏡群具有正屈光力且包含有由該成像側至該像源側依序排列之一第一鏡片以及一第二鏡片,該第一鏡片係由塑膠材質製成且具有負屈光力,該第二鏡片係由玻璃材質製成且具有正屈光力,該第二鏡群具有正屈光力且包含有由該成像側至該像源側依序排列之一第三鏡片、一第四鏡片、一第五鏡片、一第六鏡片以及一第七鏡片,該第三鏡片係由塑膠材質製成且具有負屈光力,該第四鏡片係由玻璃材質製成且具有負屈光力,該第五鏡片係由玻璃材質製成且具有正屈光力,且該第五鏡片與該第四鏡片膠合構成一具有負屈光力之複合透鏡,該第六鏡片係由塑膠材質製成且具有正屈光力,該第七鏡片係由玻璃材質製成且具有負屈光力。In addition, you can also refer to the Republic of China Invention Patent Publication No. 201248237, which proposes a fixed-focus projection lens, which includes a first lens group and a second lens which are sequentially arranged along an optical axis from an imaging side to an image source side. Mirror group, the first lens group has positive refractive power and includes a first lens and a second lens arranged in order from the imaging side to the image source side, the first lens is made of plastic material and has a negative Refractive power, the second lens is made of glass material and has positive refractive power, the second lens group has positive refractive power and includes a third lens and a fourth lens which are sequentially arranged from the imaging side to the image source side A fifth lens, a sixth lens and a seventh lens, the third lens is made of plastic material and has negative refractive power, the fourth lens is made of glass material and has negative refractive power, the fifth lens It is made of glass and has positive refractive power, and the fifth lens and the fourth lens are glued to form a compound lens with negative refractive power. The sixth lens is made of plastic and has positive refractive power. The seventh lens Made of a glass material and having a negative refractive power.
於以上先前技術之中,中華民國發明專利公開第201026488號揭示將光學材料壓合於套筒內,以形成光學透鏡與套筒嵌合的光學元件,但其所揭示的結構僅為單一鏡片,故光學表現有待改善。中華民國新型專利公告第M399992號揭示該第二鏡片係由該熱固性樹脂形成;而中華民國發明專利公開第201248237號,揭示複數個玻璃鏡片之間透過樹脂來膠合,前述先前技術中,該第二鏡片本身僅具有提升耐熱性之功效,而該樹脂僅具有膠合的功能,兩者均不具光學特性,使複合鏡片的光學表現不甚理想,且體積無法縮小。由以上可知,光學元件之結構設計仍有待改進。In the above prior art, the Republic of China Invention Patent Publication No. 201026488 discloses that an optical material is pressed into a sleeve to form an optical element in which the optical lens and the sleeve are fitted, but the disclosed structure is only a single lens. Therefore, the optical performance needs to be improved. The Republic of China New Patent Publication No. M399992 discloses that the second lens is formed of the thermosetting resin; and the Republic of China Invention Patent Publication No. 201248237 discloses that a plurality of glass lenses are glued through resin. In the foregoing prior art, the second lens The lens itself only has the effect of improving heat resistance, and the resin only has the function of gluing. Both of them do not have optical characteristics, which makes the optical performance of the composite lens less than ideal and the volume cannot be reduced. It can be known from the above that the structural design of the optical element still needs to be improved.
本發明的主要目的,在於解決習知光學元件之光學表現不佳之問題。The main purpose of the present invention is to solve the problem of poor optical performance of conventional optical elements.
為達上述目的,本發明提供一種光學元件,包含一第一玻璃光學鏡片以及一第一樹脂光學鏡片,該第一玻璃光學鏡片係由一玻璃材質製成且具有一第一表面,該第一樹脂光學鏡片係由一具有一光學功能特性的樹脂形成於該第一表面。To achieve the above object, the present invention provides an optical element including a first glass optical lens and a first resin optical lens. The first glass optical lens is made of a glass material and has a first surface. The resin optical lens is formed on the first surface by a resin having an optical function characteristic.
於一實施例中,該第一表面的形狀擇自於平面、凸面與凹面所組成的群組。In one embodiment, the shape of the first surface is selected from the group consisting of a flat surface, a convex surface, and a concave surface.
於一實施例中,更包含一第二樹脂光學鏡片,形成於該第一玻璃光學鏡片遠離該第一表面的一第二表面。In one embodiment, a second resin optical lens is further formed on a second surface of the first glass optical lens away from the first surface.
於一實施例中,該第二表面的形狀擇自於平面、凸面與凹面所組成的群組。In one embodiment, the shape of the second surface is selected from the group consisting of a flat surface, a convex surface, and a concave surface.
於一實施例中,更包含一第二玻璃光學鏡片,形成於該第一樹脂光學鏡片遠離該第一玻璃光學鏡片的一第三表面。In one embodiment, a second glass optical lens is further formed on a third surface of the first resin optical lens away from the first glass optical lens.
於一實施例中,該樹脂的材料為酚醛樹脂。In one embodiment, the material of the resin is a phenol resin.
於一實施例中,該第一樹脂光學鏡片具有一至少大於0.2mm的厚度。In one embodiment, the first resin optical lens has a thickness of at least greater than 0.2 mm.
為達上述目的,本發明還提供一種光學模組,包括至少一光學元件,該光學元件擇自於以下所組成之群組:To achieve the above object, the present invention further provides an optical module including at least one optical element, the optical element being selected from the group consisting of:
A.一第一光學元件,包括一第一玻璃光學鏡片以及一第一樹脂光學鏡片,該第一玻璃光學鏡片係由一玻璃材質製成且具有一第一表面,該第一樹脂光學鏡片係由一具有一光學功能特性的樹脂形成於該第一表面;A. A first optical element, including a first glass optical lens and a first resin optical lens. The first glass optical lens is made of a glass material and has a first surface. The first resin optical lens system A resin having an optical function characteristic is formed on the first surface;
B.一第二光學元件,包括一第一玻璃光學鏡片、一第一樹脂光學鏡片以及一第二玻璃光學鏡片,該第一玻璃光學鏡片係由一玻璃材質製成且具有一第一表面,該第一樹脂光學鏡片係由一具有一光學功能特性的樹脂形成於該第一表面,該第二玻璃光學鏡片形成於該第一樹脂光學鏡片遠離該第一玻璃光學鏡片的一第三表面;以及B. A second optical element includes a first glass optical lens, a first resin optical lens, and a second glass optical lens. The first glass optical lens is made of a glass material and has a first surface. The first resin optical lens is formed on the first surface by a resin having an optical function characteristic, and the second glass optical lens is formed on a third surface of the first resin optical lens away from the first glass optical lens; as well as
C.一第三光學元件,包括一第一玻璃光學鏡片、一第一樹脂光學鏡片以及一第二樹脂光學鏡片,該第一玻璃光學鏡片係由一玻璃材質製成且具有一第一表面,該第一樹脂光學鏡片係由一具有一光學功能特性的樹脂形成於該第一表面,該第二樹脂光學鏡片形成於該第一玻璃光學鏡片遠離該第一表面的一第二表面。C. A third optical element includes a first glass optical lens, a first resin optical lens, and a second resin optical lens. The first glass optical lens is made of a glass material and has a first surface. The first resin optical lens is formed on the first surface by a resin having an optical function characteristic, and the second resin optical lens is formed on a second surface of the first glass optical lens away from the first surface.
於一實施例中,該第一表面的形狀擇自於平面、凸面與凹面所組成的群組。In one embodiment, the shape of the first surface is selected from the group consisting of a flat surface, a convex surface, and a concave surface.
於一實施例中,該第二表面的形狀擇自於平面、凸面與凹面所組成的群組。In one embodiment, the shape of the second surface is selected from the group consisting of a flat surface, a convex surface, and a concave surface.
於一實施例中,該樹脂的材料為酚醛樹脂。In one embodiment, the material of the resin is a phenol resin.
於一實施例中,該第一樹脂光學鏡片和該第二樹脂光學鏡片具有一至少大於0.2mm的厚度。In an embodiment, the first resin optical lens and the second resin optical lens have a thickness of at least greater than 0.2 mm.
為達上述目的,本發明另提供一種光學元件的製造方法,先提供一具有一第一表面的第一玻璃光學鏡片,再將一具有一光學功能特性的樹脂形成於該第一玻璃光學鏡片的該第一表面而得到一第一樹脂光學鏡片。To achieve the above object, the present invention further provides a method for manufacturing an optical element. First, a first glass optical lens having a first surface is provided, and then a resin having an optical function characteristic is formed on the first glass optical lens. A first resin optical lens is obtained from the first surface.
於一實施例中,更包含以下步驟:In an embodiment, the method further includes the following steps:
步驟S1A:將該第一玻璃光學鏡片的一第一周緣固定於一套筒的一內壁上;以及Step S1A: fixing a first peripheral edge of the first glass optical lens to an inner wall of a sleeve; and
步驟S2A:利用一模仁對該樹脂朝該第一玻璃光學鏡片的該第一表面的方向擠壓,而於該第一表面上形成該第一樹脂光學鏡片。Step S2A: using a mold to squeeze the resin toward the first surface of the first glass optical lens to form the first resin optical lens on the first surface.
於一實施例中,更包含以下步驟:In an embodiment, the method further includes the following steps:
步驟S1B:將該第一玻璃光學鏡片的一第一周緣固定於一套筒的一內壁上;Step S1B: a first peripheral edge of the first glass optical lens is fixed on an inner wall of a sleeve;
步驟S2B:利用一第一模仁對一第一樹脂朝該第一玻璃光學鏡片的該第一表面的方向擠壓,而於該第一表面上形成該第一樹脂光學鏡片;以及Step S2B: using a first mold core to press a first resin toward the first surface of the first glass optical lens to form the first resin optical lens on the first surface; and
步驟S3B:利用一第二模仁對一第二樹脂朝該第一玻璃光學鏡片遠離該第一表面的一第二表面的方向擠壓,而於該第二表面上形成一第二樹脂光學鏡片。Step S3B: a second resin is pressed against a second surface of the first glass optical lens away from a first surface of the first surface with a second mold core to form a second resin optical lens on the second surface .
於一實施例中,更包含以下步驟:In an embodiment, the method further includes the following steps:
步驟S1C:將該第一玻璃光學鏡片的一第一周緣和一第二玻璃光學鏡片的一第二周緣分別固定於一套筒的一內壁上且於彼此間形成一注膠空間,該套筒具有一與該注膠空間連通的注膠孔;以及Step S1C: a first peripheral edge of the first glass optical lens and a second peripheral edge of a second glass optical lens are respectively fixed on an inner wall of a sleeve and a glue injection space is formed between each other, the The sleeve has a glue injection hole communicating with the glue injection space; and
步驟S2C:透過該注膠孔將該樹脂注入該注膠空間,而於該第一玻璃光學鏡片和該第二玻璃光學鏡片之間形成該第一樹脂光學鏡片。Step S2C: the resin is injected into the injection space through the injection hole, and the first resin optical lens is formed between the first glass optical lens and the second glass optical lens.
於一實施例中,該樹脂的材料為酚醛樹脂。In one embodiment, the material of the resin is a phenol resin.
和上述先前技術相較之下,例如中華民國新型專利公告第M399992號和發明專利公開第201248237號,本發明的該第一樹脂光學鏡片不僅可提供貼合或保護之功用,也具有光學特性,使該光學元件的設計更具彈性化,且因充分利用體積,故可達到薄型化設計之目的且降低製造成本,此外,更可呈現優異的光學表現。而相較於中華民國發明專利公開第201026488號所揭示的光學元件的製造方法,本發明係將兼具貼合、保護與光學特性之該第一樹脂光學鏡片與該第一玻璃光學鏡片相互整合,整體來說將提供優異的光學效果。Compared with the aforementioned prior art, such as the Republic of China New Patent Publication No. M399992 and Invention Patent Publication No. 201248237, the first resin optical lens of the present invention not only provides the function of bonding or protection, but also has optical characteristics. The design of the optical element is made more flexible, and because the volume is fully utilized, the purpose of thin design can be achieved and the manufacturing cost can be reduced, and in addition, excellent optical performance can be exhibited. Compared with the manufacturing method of the optical element disclosed in the Republic of China Invention Patent Publication No. 201026488, the present invention integrates the first resin optical lens and the first glass optical lens with both bonding, protection and optical characteristics. As a whole, it will provide excellent optical effects.
有關本發明的詳細說明及技術內容,現就配合圖式說明如下:The detailed description and technical contents of the present invention are described below with reference to the drawings:
請搭配參閱『圖1』所示,為本發明第一實施例的光學元件的剖面示意圖,本發明為一種光學元件,包含一第一玻璃光學鏡片10以及一第一樹脂光學鏡片20,該第一玻璃光學鏡片10具有一第一表面11以及一遠離該第一表面11的第二表面12,該第一樹脂光學鏡片20成形於該第一玻璃光學鏡片10相對該第一表面11,其中該第一樹脂光學鏡片20由一具備光學功能的樹脂製成而使其具有一光學特性,且該第一樹脂光學鏡片20包括一第三表面21以及一第四表面22。於本實施例中,該第一表面11、該第二表面12、該第三表面21和該第四表面22的形狀可為平面、凸面或凹面,且曲率可隨需求而變化,而於本實施例中,該第一表面11、該第二表面12、該第三表面21和該第四表面22均為平面。Please refer to "Fig. 1" for a schematic cross-sectional view of an optical element according to a first embodiment of the present invention. The present invention is an optical element including a first glass optical lens 10 and a first resin optical lens 20. A glass optical lens 10 has a first surface 11 and a second surface 12 away from the first surface 11. The first resin optical lens 20 is formed on the first glass optical lens 10 opposite to the first surface 11. The first resin optical lens 20 is made of a resin having an optical function so as to have an optical characteristic, and the first resin optical lens 20 includes a third surface 21 and a fourth surface 22. In this embodiment, the shape of the first surface 11, the second surface 12, the third surface 21, and the fourth surface 22 may be a flat surface, a convex surface, or a concave surface, and the curvature may be changed as required. In the embodiment, the first surface 11, the second surface 12, the third surface 21 and the fourth surface 22 are all planes.
請參閱『圖2』所示,為本發明第二實施例的光學元件的剖面示意圖,和第一實施例相較,該光學元件更包括一第二玻璃光學鏡片30,該第二玻璃光學鏡片30形成於該第一樹脂光學鏡片20遠離該第一玻璃光學鏡片10的該第三表面21,該第二玻璃光學鏡片30包括一第五表面31以及一第六表面32。於本實施例中,該第一表面11為凸面,該第二表面12為凹面,該第三表面21為凸面,該第四表面22為凹面,該第五表面31為凸面,該第六表面32為凹面。Please refer to "Figure 2", which is a schematic cross-sectional view of an optical element according to a second embodiment of the present invention. Compared with the first embodiment, the optical element further includes a second glass optical lens 30, the second glass optical lens 30 is formed on the third surface 21 of the first resin optical lens 20 away from the first glass optical lens 10. The second glass optical lens 30 includes a fifth surface 31 and a sixth surface 32. In this embodiment, the first surface 11 is convex, the second surface 12 is concave, the third surface 21 is convex, the fourth surface 22 is concave, the fifth surface 31 is convex, and the sixth surface 32 is concave.
請參閱『圖3』所示,為本發明第三實施例的光學元件的剖面示意圖,和第一實施例相較,該光學元件更包括一第二樹脂光學鏡片40,該第二樹脂光學鏡片40由一具備光學功能的樹脂製成而使其具有一光學特性,該第二樹脂光學鏡片40包括一第七表面41以及一第八表面42。於本實施例中,該第一表面11和該第二表面12為凸面,該第三表面21為凸面,該第四表面22為凹面,該第七表面41為凹面,該第八表面42為凸面。以上僅為舉例說明,於本發明中,該第五表面31、該第六表面32、該第七表面41和該第八表面42可為平面、凸面或凹面。Please refer to "FIG. 3", which is a schematic cross-sectional view of an optical element according to a third embodiment of the present invention. Compared with the first embodiment, the optical element further includes a second resin optical lens 40, and the second resin optical lens 40 is made of a resin having an optical function so as to have an optical characteristic. The second resin optical lens 40 includes a seventh surface 41 and an eighth surface 42. In this embodiment, the first surface 11 and the second surface 12 are convex, the third surface 21 is convex, the fourth surface 22 is concave, the seventh surface 41 is concave, and the eighth surface 42 is Convex. The above is only an example. In the present invention, the fifth surface 31, the sixth surface 32, the seventh surface 41, and the eighth surface 42 may be flat, convex, or concave.
本發明還提供一種光學模組,包括至少一光學元件,該光學元件擇自於以下所組成之群組:The present invention also provides an optical module including at least one optical element, and the optical element is selected from the group consisting of:
A. 一第一光學元件,包括一第一玻璃光學鏡片10以及一第一樹脂光學鏡片20,該第一玻璃光學鏡片10係由一玻璃材質製成且具有一第一表面11,該第一樹脂光學鏡片20係由一具有一光學功能特性的樹脂形成於該第一表面11。由於該第一光學元件與本發明第一實施例的光學元件相類似,故不再贅述。A. A first optical element, including a first glass optical lens 10 and a first resin optical lens 20, the first glass optical lens 10 is made of a glass material and has a first surface 11, the first The resin optical lens 20 is formed on the first surface 11 by a resin having an optical function characteristic. Since the first optical element is similar to the optical element of the first embodiment of the present invention, it will not be described again.
B. 一第二光學元件,包括一第一玻璃光學鏡片10、一第一樹脂光學鏡片20以及一第二玻璃光學鏡片30,該第一玻璃光學鏡片10係由一玻璃材質製成且具有一第一表面11,該第一樹脂光學鏡片20係由一具有一光學功能特性的樹脂形成於該第一表面11,該第二玻璃光學鏡片30係形成於該第一樹脂光學鏡片20遠離該第一玻璃光學鏡片10的一第三表面21。由於該第二光學元件與本發明第二實施例的光學元件相類似,故不再贅述。B. A second optical element includes a first glass optical lens 10, a first resin optical lens 20, and a second glass optical lens 30. The first glass optical lens 10 is made of a glass material and has a A first surface 11, the first resin optical lens 20 is formed on the first surface 11 by a resin having an optical function characteristic, and the second glass optical lens 30 is formed on the first resin optical lens 20 away from the first A third surface 21 of a glass optical lens 10. Since the second optical element is similar to the optical element of the second embodiment of the present invention, it will not be described again.
C. 一第三光學元件,包括一第一玻璃光學鏡片10、一第一樹脂光學鏡片20以及一第二樹脂光學鏡片40,該第一玻璃光學鏡片10係由一玻璃材質製成且具有一第一表面11,該第一樹脂光學鏡片20係由一具有一光學功能特性的樹脂形成於該第一表面11,該第二樹脂光學鏡片40係形成於該第一玻璃光學鏡片10遠離該第一表面11的一第二表面12。由於該第三光學元件與本發明第三實施例的光學元件相類似,故不再贅述。C. A third optical element includes a first glass optical lens 10, a first resin optical lens 20, and a second resin optical lens 40. The first glass optical lens 10 is made of a glass material and has a A first surface 11, the first resin optical lens 20 is formed on the first surface 11 from a resin having an optical function characteristic, and the second resin optical lens 40 is formed on the first glass optical lens 10 away from the first A surface 11 is a second surface 12. Since the third optical element is similar to the optical element of the third embodiment of the present invention, it will not be described again.
除了上述的組合外,亦可將本發明的第一、第二或第三實施例的光學元件與單片鏡片組合,詳細說明如後。In addition to the combinations described above, the optical elements of the first, second, or third embodiments of the present invention may be combined with a single lens, as described in detail below.
請繼續參閱『圖4』所示,為本發明第四實施例的光學元件的剖面示意圖,本實施例係以第三實施例為基礎,並進一步包括至少一第三鏡片50,該第三鏡片50形成於該第一樹脂光學鏡片20遠離該第一玻璃光學鏡片10的一側。該第一玻璃光學鏡片10、該第一樹脂光學鏡片20、該第二樹脂光學鏡片40以及該第三鏡片50沿一光軸X排列設置。於本實施例中,該第三鏡片50可為一玻璃光學鏡片或一樹脂光學鏡片,數量可介於1至50之間。此外,於一實施例中,部分或全部的該第三鏡片50彼此間可相距一間隔或相互膠合結合;或者,於另一實施例中,採用該樹脂光學鏡片的該第三鏡片50彼此間可插設採用該玻璃光學鏡片的該第三鏡片50,且彼此相互膠合結合。Please continue to refer to “FIG. 4”, which is a schematic cross-sectional view of an optical element according to a fourth embodiment of the present invention. This embodiment is based on the third embodiment and further includes at least a third lens 50, the third lens 50 is formed on a side of the first resin optical lens 20 away from the first glass optical lens 10. The first glass optical lens 10, the first resin optical lens 20, the second resin optical lens 40 and the third lens 50 are arranged along an optical axis X. In this embodiment, the third lens 50 may be a glass optical lens or a resin optical lens, and the number may be between 1 and 50. In addition, in one embodiment, some or all of the third lenses 50 may be spaced apart from each other or bonded to each other; or, in another embodiment, the third lenses 50 using the resin optical lens are mutually The third lens 50 using the glass optical lens can be inserted and bonded to each other.
請繼續參閱『圖5』所示,為本發明第五實施例的光學元件的剖面示意圖,本實施例係以第三實施例為基礎,並進一步包括至少一第四鏡片51,該第四鏡片51形成於該第二樹脂光學鏡片40遠離該第一玻璃光學鏡片10的一側。該第一玻璃光學鏡片10、該第一樹脂光學鏡片20、該第二樹脂光學鏡片40以及該第四鏡片51沿一光軸X排列設置。於本實施例中,該第四鏡片51可為一玻璃光學鏡片或一樹脂光學鏡片,數量可介於1至50之間。此外,於一實施例中,部分或全部的該第四鏡片51彼此間可相距一間隔或相互膠合結合;或者,於另一實施例中,採用該樹脂光學鏡片的該第四鏡片51彼此間可插設採用該玻璃光學鏡片的該第四鏡片51,且彼此相互膠合結合。Please continue to refer to "FIG. 5", which is a schematic cross-sectional view of an optical element according to a fifth embodiment of the present invention. This embodiment is based on the third embodiment and further includes at least a fourth lens 51. The fourth lens 51 is formed on a side of the second resin optical lens 40 away from the first glass optical lens 10. The first glass optical lens 10, the first resin optical lens 20, the second resin optical lens 40, and the fourth lens 51 are arranged along an optical axis X. In this embodiment, the fourth lens 51 may be a glass optical lens or a resin optical lens, and the number may be between 1 and 50. In addition, in one embodiment, some or all of the fourth lenses 51 may be spaced apart from each other or bonded to each other; or, in another embodiment, the fourth lenses 51 using the resin optical lens are mutually The fourth lens 51 using the glass optical lens can be inserted and bonded to each other.
再請參閱『圖6』所示,為本發明第六實施例的光學元件的剖面示意圖,本實施例係以第三實施例為基礎,進一步包括該第三鏡片50和該第四鏡片51,該第三鏡片50和該第四鏡片51的特徵如上所述,於此不再贅述。Please refer to FIG. 6 again, which is a schematic cross-sectional view of an optical element according to a sixth embodiment of the present invention. This embodiment is based on the third embodiment, and further includes the third lens 50 and the fourth lens 51. The features of the third lens element 50 and the fourth lens element 51 are as described above, and are not repeated here.
請繼續參閱『圖7』所示,為本發明第七實施例的光學元件的剖面示意圖,本實施例係以第二實施例為基礎,並進一步包括至少一第五鏡片60,該第五鏡片60形成於該第二玻璃光學鏡片30遠離該第一樹脂光學鏡片20的一側。該第一玻璃光學鏡片10、該第一樹脂光學鏡片20、該第二玻璃光學鏡片30以及該第五鏡片60沿一光軸X排列設置。於本實施例中,該第五鏡片60可為一玻璃光學鏡片或一樹脂光學鏡片,數量可介於1至50之間。此外,於一實施例中,部分或全部的該第五鏡片60彼此間可相距一間隔或相互膠合結合;或者,於另一實施例中,採用該樹脂光學鏡片的該第五鏡片60彼此間可插設採用該玻璃光學鏡片的該第五鏡片60,且彼此相互膠合結合。Please continue to refer to "FIG. 7", which is a schematic cross-sectional view of an optical element according to a seventh embodiment of the present invention. This embodiment is based on the second embodiment and further includes at least a fifth lens 60. The fifth lens 60 is formed on a side of the second glass optical lens 30 away from the first resin optical lens 20. The first glass optical lens 10, the first resin optical lens 20, the second glass optical lens 30 and the fifth lens 60 are arranged along an optical axis X. In this embodiment, the fifth lens 60 may be a glass optical lens or a resin optical lens, and the number may be between 1 and 50. In addition, in one embodiment, some or all of the fifth lenses 60 may be spaced apart from each other or bonded to each other; or, in another embodiment, the fifth lenses 60 using the resin optical lens are mutually The fifth lens 60 using the glass optical lens can be inserted and bonded to each other.
請繼續參閱『圖8』所示,為本發明第八實施例的光學元件的剖面示意圖,本實施例係以第二實施例為基礎,並進一步包括至少一第六鏡片61,該第六鏡片61形成於該第一玻璃光學鏡片10遠離該第一樹脂光學鏡片20的一側。該第一玻璃光學鏡片10、該第一樹脂光學鏡片20、該第二玻璃光學鏡片30以及該第六鏡片61沿一光軸X排列設置。於本實施例中,該第六鏡片61可為一玻璃光學鏡片或一樹脂光學鏡片,數量可介於1至50之間。此外,於一實施例中,部分或全部的該第六鏡片61彼此間可相距一間隔或相互膠合結合;或者,於另一實施例中,採用該樹脂光學鏡片的該第六鏡片61彼此間可插設採用該玻璃光學鏡片的該第六鏡片61,且彼此相互膠合結合。Please continue to refer to FIG. 8, which is a schematic cross-sectional view of an optical element according to an eighth embodiment of the present invention. This embodiment is based on the second embodiment and further includes at least a sixth lens 61. The sixth lens 61 is formed on a side of the first glass optical lens 10 away from the first resin optical lens 20. The first glass optical lens 10, the first resin optical lens 20, the second glass optical lens 30 and the sixth lens 61 are arranged along an optical axis X. In this embodiment, the sixth lens 61 may be a glass optical lens or a resin optical lens, and the number may be between 1 and 50. In addition, in one embodiment, some or all of the sixth lenses 61 may be spaced apart or bonded to each other; or, in another embodiment, the sixth lenses 61 using the resin optical lens are mutually The sixth lens 61 using the glass optical lens can be inserted and bonded to each other.
再請參閱『圖9』所示,為本發明第九實施例的光學元件的剖面示意圖,本實施例係以第二實施例為基礎,進一步包括該第五鏡片60和該第六鏡片61,該第五鏡片60和該第六鏡片61的特徵如上所述,於此不再贅述。Please refer to FIG. 9 again, which is a schematic cross-sectional view of an optical element according to a ninth embodiment of the present invention. This embodiment is based on the second embodiment, and further includes the fifth lens 60 and the sixth lens 61. The features of the fifth lens 60 and the sixth lens 61 are as described above, and are not repeated here.
以上之該第三鏡片50、該第四鏡片51、該第五鏡片60和該第六鏡片61的形狀可為平凸、平凹、雙凸、雙凹或凹凸結構,依據實際應用而定。The shape of the third lens 50, the fourth lens 51, the fifth lens 60, and the sixth lens 61 may be a plano-convex, plano-concave, bi-convex, bi-concave, or concave-convex structure, depending on the actual application.
本發明另提供一種光學元件製造方法,先提供一第一玻璃光學鏡片10,接著再將一具有一光學功能特性的樹脂形成於該第一玻璃光學鏡片10的一第一表面11,而得到一第一樹脂光學鏡片20。以下將說明該方法的具體實施例。The present invention further provides a method for manufacturing an optical element. First, a first glass optical lens 10 is provided, and then a resin having an optical function characteristic is formed on a first surface 11 of the first glass optical lens 10 to obtain a first glass optical lens 10. First resin optical lens 20. Specific embodiments of the method will be described below.
請搭配參閱『圖10A』及『圖10B』所示,為本發明一實施例中,該光學元件的製造步驟流程圖,係採用模造法,製造步驟如下:Please refer to "Fig. 10A" and "Fig. 10B" together for a flowchart of the manufacturing steps of the optical element according to an embodiment of the present invention, which adopts a molding method. The manufacturing steps are as follows:
步驟S1A:如『圖10A』所示,將該第一玻璃光學鏡片10的一第一周緣13固定於一套筒70的一內壁71上。Step S1A: As shown in FIG. 10A, a first peripheral edge 13 of the first glass optical lens 10 is fixed on an inner wall 71 of a sleeve 70.
步驟S2A:如『圖10B』所示,先將該樹脂放置於該第一表面11,再利用一模仁80朝該第一玻璃光學鏡片10的該第一表面11的方向對該樹脂擠壓,而於該第一表面11上形成該第一樹脂光學鏡片20。Step S2A: As shown in FIG. 10B, first place the resin on the first surface 11, and then use a mold 80 to squeeze the resin in the direction of the first surface 11 of the first glass optical lens 10. The first resin optical lens 20 is formed on the first surface 11.
除了如上用於製造類似第一實施例之光學元件外,模造法亦可用於製造類似第三實施例之光學元件,請搭配參閱『圖11A』至『圖11C』所示,為本發明另一實施例中,該光學元件的製造步驟流程圖,製造步驟如下:In addition to the above-mentioned manufacturing of optical elements similar to the first embodiment, the molding method can also be used to manufacture optical elements similar to the third embodiment. Please refer to "Fig. 11A" to "Fig. 11C" for a match. In the embodiment, a flowchart of the manufacturing steps of the optical element is as follows:
步驟S1B:如『圖11A』所示,將一第一玻璃光學鏡片10的一第一周緣13固定於一套筒70的一內壁71上。Step S1B: As shown in FIG. 11A, a first peripheral edge 13 of a first glass optical lens 10 is fixed on an inner wall 71 of a sleeve 70.
步驟S2B:如『圖11B』所示,先將一第一樹脂放置於該第一表面11,再利用一第一模仁81朝該第一玻璃光學鏡片10的該第一表面11的方向對該第一樹脂擠壓,而於該第一表面11上形成該第一樹脂光學鏡片20。Step S2B: As shown in FIG. 11B, a first resin is first placed on the first surface 11, and then a first mold core 81 is used to face the first surface 11 of the first glass optical lens 10. The first resin is pressed to form the first resin optical lens 20 on the first surface 11.
步驟S3B:如『圖11C』所示,先將一第二樹脂放置於該第一玻璃光學鏡片10的一第二表面12,再利用一第二模仁82朝該第一玻璃光學鏡片10遠離該第一表面11的該第二表面12的方向對該第二樹脂擠壓,而於該第二表面12上形成一第二樹脂光學鏡片40。於本實施例中,該第一樹脂光學鏡片20和該第二樹脂光學鏡片40可分別先後形成於該第一表面11和該第二表面12,或者同時形成於該第一表面11和該第二表面12。Step S3B: As shown in FIG. 11C, a second resin is first placed on a second surface 12 of the first glass optical lens 10, and then a second mold 82 is used to move away from the first glass optical lens 10 A direction of the second surface 12 of the first surface 11 is pressed against the second resin, and a second resin optical lens 40 is formed on the second surface 12. In this embodiment, the first resin optical lens 20 and the second resin optical lens 40 may be formed on the first surface 11 and the second surface 12, respectively, or may be formed on the first surface 11 and the first surface simultaneously. Two surfaces 12.
請參閱『圖12A』及『圖12B』所示,為本發明又一實施例中,該光學元件的製造步驟流程圖,係採用注膠法,製造步驟如下:Please refer to "Fig. 12A" and "Fig. 12B", which is a flowchart of the manufacturing steps of the optical element in another embodiment of the present invention, which adopts the glue injection method. The manufacturing steps are as follows:
步驟S1C:如『圖12A』所示,將一第一玻璃光學鏡片10的一第一周緣13和一第二玻璃光學鏡片30的一第二周緣33分別固定於一套筒70的一內壁71上,該第一玻璃光學鏡片10和該第二玻璃光學鏡片30之間彼此相隔,而形成一注膠空間72,該套筒70具有一與該注膠空間72連通的注膠孔73。Step S1C: As shown in FIG. 12A, a first peripheral edge 13 of a first glass optical lens 10 and a second peripheral edge 33 of a second glass optical lens 30 are respectively fixed in a sleeve 70. On the wall 71, the first glass optical lens 10 and the second glass optical lens 30 are separated from each other to form a glue injection space 72. The sleeve 70 has a glue injection hole 73 communicating with the glue injection space 72. .
步驟S2C:如『圖12B』所示,透過該注膠孔73將一樹脂注入該注膠空間72,而於該第一玻璃光學鏡片10和該第二玻璃光學鏡片30之間形成該第一樹脂光學鏡片20。於另一實施例中,該套筒70更包括一排氣孔,該排氣孔用於該樹脂注入該注膠空間72時,將該注膠空間72內的氣體排出,使該注膠空間72內的壓力保持平衡。另外,也可將該第一玻璃光學鏡片10或該第二玻璃光學鏡片30更換為該模仁80,待該第一樹脂光學鏡片20形成後再將該模仁80移除,而製造如『圖1』所示的該光學元件。需特別說明的是,於本實施例中的注膠法可使兩個相同外型的玻璃光學鏡片彼此膠合,例如,兩個分別為凸面的玻璃光學鏡片或兩個分別為凹面的玻璃光學鏡片,以『圖9』為例,該第一樹脂光學鏡片20用於膠合分別為凸面的該第一玻璃光學鏡片10和該第二玻璃光學鏡片30。Step S2C: As shown in FIG. 12B, a resin is injected into the injection space 72 through the injection hole 73 to form the first glass optical lens 10 and the second glass optical lens 30. Resin optical lens 20. In another embodiment, the sleeve 70 further includes a vent hole, which is used for discharging the gas in the injection space 72 when the resin is injected into the injection space 72 to make the injection space The pressure in 72 remains balanced. In addition, the first glass optical lens 10 or the second glass optical lens 30 can also be replaced with the mold core 80. After the first resin optical lens 20 is formed, the mold core 80 can be removed, and manufactured as " The optical element shown in Fig. 1 ". It should be particularly noted that the glue injection method in this embodiment can glue two glass optical lenses of the same shape to each other, for example, two glass optical lenses with convex surfaces or two glass optical lenses with concave surfaces. Taking "Fig. 9" as an example, the first resin optical lens 20 is used for bonding the first glass optical lens 10 and the second glass optical lens 30, which are convex surfaces, respectively.
另外,於本發明中,該樹脂、該第一樹脂以及該第二樹脂可使用酚醛樹脂或其他具有光學功能的樹脂。此外,該第一樹脂光學鏡片20以及該第二樹脂光學鏡片40較佳地具有一至少大於0.2mm的厚度。In addition, in the present invention, the resin, the first resin, and the second resin may be phenol resins or other resins having optical functions. In addition, the first resin optical lens 20 and the second resin optical lens 40 preferably have a thickness of at least greater than 0.2 mm.
綜上所述,本發明相較先前技術的功效為,該第一樹脂光學鏡片不僅可提供貼合或保護之功用之外,同時具有光學特性,使該光學元件的設計更具彈性化,且因充分利用體積,故可達到薄型化設計之目的且降低製造成本。另外,本發明係將兼具貼合、保護與光學特性之該第一樹脂光學鏡片與該第一玻璃光學鏡片相互整合,整體來說將提供優異的光學效果。In summary, the effect of the present invention compared to the prior art is that the first resin optical lens not only provides the function of fitting or protection, but also has optical characteristics, making the design of the optical element more flexible, and Because the volume is fully utilized, it can achieve the purpose of thin design and reduce manufacturing costs. In addition, the present invention integrates the first resin optical lens and the first glass optical lens, which have bonding, protection and optical characteristics, to provide excellent optical effects as a whole.
以上已將本發明做一詳細說明,惟以上所述者,僅爲本發明的一較佳實施例而已,當不能限定本發明實施的範圍。即凡依本發明申請範圍所作的均等變化與修飾等,皆應仍屬本發明的專利涵蓋範圍內。The present invention has been described in detail above, but the above is only a preferred embodiment of the present invention, and the scope of implementation of the present invention cannot be limited. That is, all equivalent changes and modifications made in accordance with the scope of the application of the present invention should still fall within the scope of the patent of the present invention.
10‧‧‧第一玻璃光學鏡片
11‧‧‧第一表面
12‧‧‧第二表面
13‧‧‧第一周緣
20‧‧‧第一樹脂光學鏡片
21‧‧‧第三表面
22‧‧‧第四表面
30‧‧‧第二玻璃光學鏡片
31‧‧‧第五表面
32‧‧‧第六表面
33‧‧‧第二周緣
40‧‧‧第二樹脂光學鏡片
41‧‧‧第七表面
42‧‧‧第八表面
50‧‧‧第三鏡片
51‧‧‧第四鏡片
60‧‧‧第五鏡片
61‧‧‧第六鏡片
70‧‧‧套筒
71‧‧‧內壁
72‧‧‧注膠空間
73‧‧‧注膠孔
80‧‧‧模仁
81‧‧‧第一模仁
82‧‧‧第二模仁
X‧‧‧光軸10‧‧‧The first glass optical lens
11‧‧‧ the first surface
12‧‧‧ second surface
13‧‧‧First perimeter
20‧‧‧The first resin optical lens
21‧‧‧ third surface
22‧‧‧ fourth surface
30‧‧‧Second glass optical lens
31‧‧‧ fifth surface
32‧‧‧ sixth surface
33‧‧‧Second perimeter
40‧‧‧Second resin optical lens
41‧‧‧Seventh surface
42‧‧‧ Eighth Surface
50‧‧‧ third lens
51‧‧‧Fourth lens
60‧‧‧Fifth lens
61‧‧‧Sixth lens
70‧‧‧ sleeve
71‧‧‧Inner wall
72‧‧‧ Injection space
73‧‧‧Injection hole
80‧‧‧ Mould
81‧‧‧First Mould
82‧‧‧Second Mould
X‧‧‧ Optical axis
『圖1』,為本發明第一實施例的光學元件的剖面示意圖。 『圖2』,為本發明第二實施例的光學元件的剖面示意圖。 『圖3』,為本發明第三實施例的光學元件的剖面示意圖。 『圖4』,為本發明第四實施例的光學元件的剖面示意圖。 『圖5』,為本發明第五實施例的光學元件的剖面示意圖。 『圖6』,為本發明第六實施例的光學元件的剖面示意圖。 『圖7』,為本發明第七實施例的光學元件的剖面示意圖。 『圖8』,為本發明第八實施例的光學元件的剖面示意圖。 『圖9』,為本發明第九實施例的光學元件的剖面示意圖。 『圖10A』及『圖10B』,為本發明一實施例中,該光學元件的製造步驟流程圖。 『圖11A』至『圖11C』,為本發明另一實施例中,該光學元件的製造步驟流程圖。 『圖12A』及『圖12B』,為本發明又一實施例中,該光學元件的製造步驟流程圖。[FIG. 1] A schematic cross-sectional view of an optical element according to a first embodiment of the present invention. [Figure 2] A schematic cross-sectional view of an optical element according to a second embodiment of the present invention. [Fig. 3] A schematic cross-sectional view of an optical element according to a third embodiment of the present invention. [FIG. 4] A schematic cross-sectional view of an optical element according to a fourth embodiment of the present invention. [FIG. 5] A schematic cross-sectional view of an optical element according to a fifth embodiment of the present invention. [FIG. 6] A schematic cross-sectional view of an optical element according to a sixth embodiment of the present invention. [FIG. 7] A schematic cross-sectional view of an optical element according to a seventh embodiment of the present invention. [FIG. 8] A schematic cross-sectional view of an optical element according to an eighth embodiment of the present invention. [FIG. 9] A schematic cross-sectional view of an optical element according to a ninth embodiment of the present invention. [Fig. 10A] and [Fig. 10B] are flowcharts of manufacturing steps of the optical element in an embodiment of the present invention. [FIG. 11A] to FIG. 11C are flowcharts of manufacturing steps of the optical element in another embodiment of the present invention. [FIG. 12A] and [FIG. 12B] are flowcharts of manufacturing steps of the optical element in another embodiment of the present invention.
10‧‧‧第一玻璃光學鏡片 10‧‧‧The first glass optical lens
11‧‧‧第一表面 11‧‧‧ the first surface
12‧‧‧第二表面 12‧‧‧ second surface
20‧‧‧第一樹脂光學鏡片 20‧‧‧The first resin optical lens
21‧‧‧第三表面 21‧‧‧ third surface
22‧‧‧第四表面 22‧‧‧ fourth surface
30‧‧‧第二玻璃光學鏡片 30‧‧‧Second glass optical lens
31‧‧‧第五表面 31‧‧‧ fifth surface
32‧‧‧第六表面 32‧‧‧ sixth surface
Claims (17)
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TW105122373A TWI627447B (en) | 2016-07-15 | 2016-07-15 | Method for manufacturing optical component |
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TW201802496A true TW201802496A (en) | 2018-01-16 |
TWI627447B TWI627447B (en) | 2018-06-21 |
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TW200535447A (en) * | 2004-04-16 | 2005-11-01 | Hon Hai Prec Ind Co Ltd | A multilayer lens and a method of producing it |
JP4728280B2 (en) * | 2007-05-18 | 2011-07-20 | パナソニック株式会社 | Bonding optical element |
EP2189823B1 (en) * | 2007-09-19 | 2018-02-14 | Nikon Corporation | Resin composite-type optical element and process for producing the resin composite-type optical element |
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