1356917 100年.08月09日修正替^"[ 六、發明說明： .， .-7* » 【發明所屬之技術領域】 [0001] 本發明涉及光學領域’尤其涉及一種光學鏡片。 【先前技術】 [0002] 光學鏡片於製造過程中’需通過定心加工，使鏡片其外 徑及倒角被加工成特定形狀。 [0003] 請參閱圖1，為先前技術提供之光學凹透鏡1，其包括光 學部2、非光學部3。兩個凹面2a、兩個承靠環面3a及一 個外徑邊緣3b。 · [0004] 從圖中可以發現其非光學部分3材料較多，事實上，保證 承靠穩固之條件下，並不需要如此多材料。富餘之材料 — 會造成鏡片製造成本增加，而且於定心加工中，為了使 鏡片其外徑及倒角被加工成特定形狀，需對鏡片進行切 削定形，此種形狀之毛胚餘量較多，會導致定心加工時 間增加，降低生產效率。 【發明内容】 [0005] 鑒於此，有必要提供一種低成本、加工時間少之鏡片。 [0006] —種光學鏡片’該光學鏡片具有光學部及非光學部。該 光學部之兩個表面中至少有一個為凹面。所述非光學部 具有承靠環面及外後邊緣。所述承靠環面成型於所述凹 面周緣，所述承靠環面連接於凹面與外徑邊緣之間，所 述承靠環面所在之平面與所述光學鏡片之光轴垂直。所 述光學鏡片具有一過渡圓臺側面，所述過渡圓臺側面以 所述光學鏡片之光輪為中心對稱軸’所述過渡圓臺側面 096139184 表單编號A0101 第4頁/共14頁 1003288666-0 13569171356917 100年.08月09日修正^"[6, invention description: ., .-7* » [Technical Field of the Invention] [0001] The present invention relates to the field of optics, and particularly relates to an optical lens. [Prior Art] [0002] The optical lens is subjected to centering processing during the manufacturing process so that the outer diameter and chamfer of the lens are processed into a specific shape. Referring to FIG. 1, an optical concave lens 1 provided by the prior art includes an optical portion 2 and a non-optical portion 3. Two concave surfaces 2a, two bearing an annulus 3a and an outer diameter edge 3b. [0004] It can be seen from the figure that the non-optical portion 3 has a large amount of material, and in fact, it does not require so much material under the condition of ensuring stability. The surplus material - will cause the lens manufacturing cost to increase, and in the centering process, in order to make the outer diameter and chamfer of the lens into a specific shape, the lens needs to be cut and shaped, and the shape of the blank is more Will lead to increased centering processing time and lower production efficiency. SUMMARY OF THE INVENTION [0005] In view of this, it is necessary to provide a lens that is low in cost and has a small processing time. [0006] An optical lens The optical lens has an optical portion and a non-optical portion. At least one of the two surfaces of the optical portion is concave. The non-optical portion has a bearing abutment surface and an outer rear edge. The bearing annulus is formed on the periphery of the concave surface, and the bearing abutment surface is coupled between the concave surface and the outer diameter edge, and the plane of the bearing annulus is perpendicular to the optical axis of the optical lens. The optical lens has a transitional circular table side, the transitional circular table side is centered on the optical lens of the optical lens. The transitional circular table side 096139184 Form No. A0101 Page 4 / Total 14 Page 1003288666-0 1356917
- 100年.08月09日修正_^頁 連接於外徑邊緣與承靠環面之間，所述光學鏡片外徑邊 緣處之軸向厚度小於所述光學鏡片凹面周緣處之軸向厚 « ·· 度。 [0007] 由於本發明凹透鏡之外徑邊緣處軸向厚度小於凹面周緣 處之軸向厚度，所以減少了非光學部之材料，從而節省 了材料，而且縮短了定心加工中切除多餘材料之時間， 提高了生產效率。 【實施方式】 [0008] 請參閱圖2，為本發明第一實施例提供之一種光學鏡片 100，其包括光學部10，非光學部20。光學部包括兩個凹 面10a、兩個承靠環面20a、兩個過渡圓臺侧面20b及一 個外徑邊緣20c。 [0009] 所述光學鏡片100之材料可為玻璃，所述光學部10位於該 光學鏡片100之中部，所述非光學部20位於該光學鏡片 100外緣。所述兩個承靠環面20a分別成型於兩個凹面 10a周緣，所述過渡圓臺側面20b連接於所述承靠環面 20a，所述外徑邊緣20c連接於所述過渡圓臺側面20b。 所述承靠環面20a所在之平面與所述光學鏡片100之光軸 垂直，所述過渡圓臺侧面20b以所述光學鏡片100之光軸 為中心對稱軸。所述光學鏡片100於外徑邊緣20c處軸向 厚度h2小於所述光學鏡片100凹面10a周緣處之軸向厚度 hi 〇 [0010] 所述凹面10之曲度可根據成像需要加工成型。為了使鏡 片在鏡筒中承靠牢固，所述兩個承靠環面20a之徑向寬度 W至少為0. 5毫米。所述外徑邊緣軸向厚度h至少為0. 5 1 096139184 表單編號 A0101 第 5 頁/共 14 頁 1003288666-0 1356917 100年_08月09日按正替換頁 毫米。所述兩個過渡圓臺側面20b於所述光學鏡片100之 徑向正投影之圓環徑向寬度大於所述承靠環面20a之徑- 100 years. August 09, the correction _^ page is connected between the outer diameter edge and the bearing annulus, the axial thickness at the outer diameter edge of the optical lens is smaller than the axial thickness at the periphery of the concave surface of the optical lens « ·· Degree. [0007] Since the axial thickness of the outer diameter edge of the concave lens of the present invention is smaller than the axial thickness at the periphery of the concave surface, the material of the non-optical portion is reduced, thereby saving material and shortening the time for removing excess material in the centering process. , improve production efficiency. Embodiments [0008] Referring to FIG. 2, an optical lens 100 according to a first embodiment of the present invention includes an optical portion 10 and a non-optical portion 20. The optical portion includes two concave faces 10a, two bearing abutment faces 20a, two transition truncated cone side faces 20b, and an outer diameter edge 20c. [0009] The material of the optical lens 100 may be glass, the optical portion 10 is located in the middle of the optical lens 100, and the non-optical portion 20 is located at the outer edge of the optical lens 100. The two bearing abutments 20a are respectively formed on the periphery of two concave surfaces 10a, the transition circular table side 20b is connected to the bearing abutment surface 20a, and the outer diameter edge 20c is connected to the transitional circular table side 20b. . The plane of the bearing ring surface 20a is perpendicular to the optical axis of the optical lens 100, and the transition truncated side surface 20b is centered on the optical axis of the optical lens 100. The axial thickness h2 of the optical lens 100 at the outer diameter edge 20c is smaller than the axial thickness at the periphery of the concave surface 10a of the optical lens 100 hi [0010] The curvature of the concave surface 10 can be processed according to imaging requirements. 5毫米。 The radial width W of the bearing ring surface 20a is at least 0.5 mm. The outer diameter edge axial thickness h is at least 0. 5 1 096139184 Form number A0101 Page 5 of 14 1003288666-0 1356917 100 years _ August 09 Press the positive replacement page mm. The radial extent of the annular projections of the two transition truncated sides 20b in the radial direction of the optical lens 100 is greater than the diameter of the bearing annulus 20a.
* L 向寬度^，所述過渡®臺側面20b之母線為直線；在本實 施例中，為了儘可能減少承靠部分之材料，所述兩個承 靠環面20之徑向寬度\為0. 5毫米，所述外徑邊緣軸向厚 度h2為0. 5毫米。 [0011] 請參閱圖3，本發明第二實施例提供之光學鏡片200與第 一實施例提供之光學鏡片100基本相同，其不同之處在於 :該光學鏡片200具有一個平面110a，一個凹面110b。 [0012] 請參閱圖4，本發明第三實施例提供之光學鏡片300與第 一實施例提供之光學鏡片100基本相同，其不同之處在於 :該光學鏡片300之過渡圓臺側面220b之母線係凸圓弧， 由於採用凸圓弧，所以可以使鏡片30 0之非光學部220強 度更好。 [0013] 請參閱圖5，本發明第四實施例提供之光學鏡片400與第 一實施例提供之光學鏡片100基本相同，其不同之處在於 :該光學鏡片400之過渡圓臺側面320b之母線係凹圓弧， 由於採用凹圓弧，所以可以使鏡片400之非光學部320材 料更少。 [0014] 請參閱圖6，本發明第五實施例提供之光學鏡片500與第 二實施例提供之光學鏡片200基本相同，其不同之處在於 :該光學鏡片500之過渡圓臺側面420b之母線係凸圓弧。 [0015] 請參閱圖7，本發明第六實施例提供之光學鏡片600與第 二實施例提供之光學鏡片200基本相同，其不同之處在於 096139184 表單編號 A0101 第 6 頁/共 14 頁 1003288666-0 1356917 100年.08月09日修正替換頁 :該光學鏡片600之過渡圓臺側面520b之母線係凹圓弧。 [0016] 由於本發明凹透鏡之外徑邊.線之軸向厚度小·於凹面周緣 處之軸向厚度，所以減少了承靠部分之材料，從而節省 了材料，而且縮短了定心加工中切除多餘材料之時間， 提高了生產效率。 [0017] 綜上所述，本發明符合發明專利要件，爰依法提出專利 申請。惟，以上所述者僅為本發明之較佳實施方式，本 發明之範圍並不以上述實施方式為限，舉凡熟悉本案技 • 藝之人士援依本發明之精神所作之等效修飾或變化，皆 應涵蓋於以下申請專利範圍内。 【圖式簡單說明】 [0018] 圖1為先前技術提供之光學凹透鏡片之剖面圖； [0019] 圖2為本發明第一實施例提供之光學鏡片之剖面圖； [0020] 圖3為本發明第二實施例提供之光學鏡片之剖面圖； [0021] 圖4為本發明第三實施例提供之光學鏡片之剖面圖；* L direction width ^, the bus bar of the transition plate side 20b is a straight line; in the present embodiment, in order to reduce the material of the bearing portion as much as possible, the radial width of the two bearing ring faces 20 is 0. 5毫米。 The outer diameter of the outer diameter of the outer diameter h2 is 0. 5 mm. [0011] Please refer to FIG. 3, the optical lens 200 provided by the second embodiment of the present invention is substantially the same as the optical lens 100 provided by the first embodiment, except that the optical lens 200 has a plane 110a and a concave surface 110b. . [0012] Please refer to FIG. 4, the optical lens 300 provided by the third embodiment of the present invention is substantially the same as the optical lens 100 provided by the first embodiment, and the difference is that the busbar of the transitional circular table side 220b of the optical lens 300 is different. The convex arc is formed, and since the convex arc is used, the non-optical portion 220 of the lens 30 0 can be made stronger. [0013] Referring to FIG. 5, the optical lens 400 according to the fourth embodiment of the present invention is substantially the same as the optical lens 100 provided by the first embodiment, and the difference is that the bus bar of the transition truncated side 320b of the optical lens 400 is used. The concave arc is formed, and since the concave arc is used, the non-optical portion 320 of the lens 400 can be made less material. [0014] Please refer to FIG. 6. The optical lens 500 provided by the fifth embodiment of the present invention is substantially the same as the optical lens 200 provided by the second embodiment, except that the bus bar of the transition truncated side 420b of the optical lens 500 is different. Convex arc. [0015] Please refer to FIG. 7. The optical lens 600 provided by the sixth embodiment of the present invention is substantially the same as the optical lens 200 provided by the second embodiment, and the difference is 096139184 Form No. A0101 Page 6 of 14 1003288666- 0 1356917 100 years. August 09 correction replacement page: the busbar of the transition truncated side 520b of the optical lens 600 is concave arc. [0016] Since the outer diameter of the concave lens of the present invention has a small axial thickness of the wire and the axial thickness at the periphery of the concave surface, the material of the bearing portion is reduced, thereby saving material and shortening the removal of excess in the centering process. The time of the material increases the production efficiency. [0017] In summary, the present invention complies with the requirements of the invention patent, and submits a patent application according to law. However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make equivalent modifications or changes in accordance with the spirit of the present invention. All should be covered by the following patent application. BRIEF DESCRIPTION OF THE DRAWINGS [0018] FIG. 1 is a cross-sectional view of an optical concave lens sheet provided by the prior art; [0019] FIG. 2 is a cross-sectional view of an optical lens according to a first embodiment of the present invention; 2 is a cross-sectional view of an optical lens according to a third embodiment of the present invention; [0021] FIG. 4 is a cross-sectional view of an optical lens according to a third embodiment of the present invention;
[0022] 圖5為本發明第四實施例提供之光學鏡片之剖面圖； [0023] 圖6為本發明第五實施例提供之光學鏡片之剖面圖； [0024] 圖7為本發明第六實施例提供之光學鏡片之剖面圖。 【主要元件符號說明】 [0025] 光學部：10 [0026] 非光學部：20 [0027]凹面：10a 096139184 表單編號A0101 第7頁/共14頁 1003288666-0 1356917 、 100年08月09日核正替換頁 [0028] . 承靠環面：20a - : . ;» .5 is a cross-sectional view of an optical lens according to a fourth embodiment of the present invention; [0023] FIG. 6 is a cross-sectional view of an optical lens according to a fifth embodiment of the present invention; [0024] FIG. A cross-sectional view of an optical lens provided by an embodiment. [Description of main component symbols] [0025] Optical section: 10 [0026] Non-optical section: 20 [0027] Concave surface: 10a 096139184 Form number A0101 Page 7 of 14 page 1003288666-0 1356917, August 09, 100 nuclear Positive replacement page [0028] . Bearing torus: 20a - : .
[0029] 過渡圓臺側面：20b [0030] 外徑邊緣：20c[0029] transition trombone side: 20b [0030] outer diameter edge: 20c
1003288666-0 096139184 表單編號A0101 第8頁/共14頁1003288666-0 096139184 Form No. A0101 Page 8 of 14