201003273 九、發明說明： 【發明所屬之技術領域】 本發明涉及攝像技術領域，特別涉及一種遮光片、鏡 ' 片組及包括該鏡片組之鏡頭模組。 【先前技術】 近年來，隨著多媒體技術之發展，鏡頭模組之應用範 圍亦越來越廣。例如，應用於數位相機、攝像機及帶有拍 攝功能之行動電話等便攜式電子產品中。人們對數位相 機、攝像機及帶有拍攝功能之行動電話追求小型化之同 時，對其拍攝出之物體之影像品質亦提出更高要求，即希 望拍攝物體之影像畫面更加清晰。 拍攝物體之成像品質於很大程度上取決於鏡頭模組中 各鏡片之光軸是否對齊。Alpheus W. Burner等人於1995年 SPIE系統、圖像計量學第四次會議（Videometrics IV)上發 表之論文 Zoom Lens Calibration For Wind Tunnel Measurements中說明由於鏡頭模組中之各鏡片之光軸不對 齊而產生之影響。 先前技術中之鏡頭模組包括鏡筒及依次設置於鏡筒内 之第一鏡片、遮光片及第二鏡片。該第一鏡片與第二鏡片 之間之遮光片，用以遮擋透過鏡片非光學成像區之雜散 光，以使透過每個鏡片之光學區之光束共同配合成像。惟， 組裝該鏡頭模組時通常採用先將遮光片與第一鏡片對位並 固定，再將第二鏡片與遮光片對位並固定，最終使遮光片 6 201003273 设置於第一鏡片與第二鏡片之間。該組裝過程需要兩次 光片與鏡片之對位與固定過程，增加對位次數，同時可於 會出現由對位誤差而引起之光軸不對齊，還會增加鏡頭= 組組裝時間以及成本。 果 【發明内容】 有鑑於此，提供一種遮光片、鏡片組及包括該鏡片組 之鏡頭模組，以減少組裝過程中對位及固定過程，降低铲 頭模組組裝時間以及成本實屬必要。 _兄 以下將以實施例說明-種遮光片、鏡片組及包括該 片組之鏡頭模組。 -種遮光片，其具有相對之第一表面與第二表面及位 於第-表面與第二表面之間並與第一表面及第二表面相接 之外側面。該遮光片設有貫穿第—表面與第二表面之通 孔’用於透光並與其他元件配合成像。該遮光片設有固定 凹槽，該固定凹槽自外側面向遮光片内部延 一表面及第二表面。 貝芽第 -種鏡片組，其包括第一鏡片、第二鏡片及設置於第 :f片與第二鏡片之間之遮光片。該第-鏡片包括第一光 :部與及連接並㈣第—光學部卵之第—固定部。該第 :鏡片，括第二光學部與及連接並圍繞第二光學部周圍之 L一f疋部。該遮光片相對之第一表面與第二表面及位於 1-表面與第二表面直接並與第一表面及第二表面相接之 側面„亥第一表面與第—鏡片之第一固定部接觸。該第 201003273 二表面與第二鏡片之第二 # ^ ^ ^ ^ Η Μ 疋4接觸，以使第一鏡片、遮 先片及弟一鏡片糟由收容於 -種鏡頭模組，其包括之黏膠劑相固定。 ,括鏡同及設置於鏡筒内之鏡片 組。该鏡片組包括第一 , 第二鏡片及設置於第一鏡片 與第一鏡片之間之遮光片。該第一 ^ ^ FI Μ ^ , 弟鏡片包括第一光學部與 及連接並圍繞第-光學部周圍之第m卩。 包括第二光學部與及連接並圍繞第二光學部周圍u =該ΐ光片相對之第一表面與第二表面及位於第-表 :與：：表面直接並與第一表面及第二表面相接之外侧 面。该第一表面與第一错只夕每· 鏡片之第一固定部接觸。該第二表 面J二鏡片之第二固定部接觸，以使第—鏡片、遮光片 及弟二鏡μ由收容於固定凹槽之詩劑相固定，並藉由 該黏膠劑固定於鏡筒内壁。 與先前技術相比，該遮光片之固定凹槽用於收容黏朦 劑，使位於遮光片相對兩側或與該遮光片相鄰之元件可藉 由該黏膠劑與該遮光片相岐，簡化組裝過程及成本。a 【實施方式】 下面將結合附圖及實施例對本技術方案實施例提供之 遮光片、鏡片組及包括該鏡片組之鏡頭模組作進一步詳細 說明。 請參閱圖1，本技術方案提供之遮光片1〇，其具有相 對之第一表面11與第二表面及位於第—表面n及第二 表面12之間並與第一表面u及第二表面12相接之外側面 201003273 13。 該遮光片10設有通孔15。該通孔15貫通第—表面u 與第二表面12’用於透光。該遮光片1〇設有複數固定凹槽 14, 該固定凹槽14自外側面13向遮光片1〇内部延伸，並 貫穿第一表面π及第二表面12。每個固定凹槽14具有與 外侧面13相對之第一黏結面141及同時與外側面及第 一黏結面141相連之第二黏結面142與第三黏結面143，該 固定凹槽14用以收容黏膠劑，以使遮光片1〇藉由該黏^ 劑與相鄰之物件相固定。 本實施例中，遮光片為圓環狀，並設有沿該遮光片 10之圓周間隔分佈之六個固定凹槽14。優選地，該固定凹 槽14沿遮光片10之圓周等間距間隔分佈。如果製作微型 鏡頭模組時，該固定凹槽14自外侧面13向遮光片10内部 之凹陷深度為0.1至〇.2mm。 請參閱圖2及圖3，本技術方案提供之鏡頭模組3〇， 其包括鏡筒31及沿光軸組裝於該鏡筒31内之本實施例中 鏡片組20。 該鏡片組20包括第一鏡片21、第二鏡片22及設置於 第一鏡片21與第二鏡片22之間之遮光片1〇。 該第一鏡片21具有第一光學部211以及第一固定部 212。該第一光學部211與遮光片1〇之通孔15相對應，二 於對物體進行光學成像。該第一固定部212連接圍繞於第 一光學部211周圍，用於固定第—光學部212。該第一固定 部212與遮光片10相對側具有第一固定面213。該第—固 定面加與遮光片10之第一表面u相接觸。該第一固定 9 201003273 面213與固定凹槽14相對應之部分，自固定凹槽14露出， 用於與位於固定凹槽14内之黏膠劑接觸，從而實現與遮光 片10之固定。 該第，二鏡片22具有第二光學部221以及第二固定部 222。該第二固定部222連接圍繞於第二光學部221周圍。 第二光學部221之光軸與第一光學部211之光軸重合。該 第二固定部222與遮光片10相對側具有第二固定面223: 該第二固定面223與遮光片1()之第二表面12相接觸。該 第二固定面223與固定凹槽14相對應之部分，自固定凹槽 14露出’㈣與位於固定_ 14内之黏膠劑接觸，從而^ 現與遮光片10之固定。 本實施例中’該遮光片1()之内徑等於或略小 學部加或第二光學部221之直徑，以保證阻擋雜散光之 效果。该固定凹槽14自外側面13向遮光片10内部之凹陷 深度為0.1至0.2麵。組裝時，收容於遮光片1〇之固定凹 槽14中黏踢劑，同時將自該固定凹槽14露出之第—固— Γ二及:：固定面223與固定凹# 14之第-黏結： 141、第一黏、面142與第三黏結面143相黏合 一鏡片21之第一固定部212、第二鏡片22之 222及遮光片1()相互固定，如圖3所示。固定部 該鏡筒31具有内壁311。組裝時，收容於 中之黏谬劑同時與鏡筒31之内壁311相黏=二 鏡片21、遮光片1〇及第二鏡片以相黏合之 鏡筒31内。 時亦固疋於 201003273 综上所述，本發明確已符合發明專利之要件，遂依法 .提出專利申請。惟，以上所述者僅為本發明之較佳實施方 .式，自不能以此限制本案之申請專利範圍。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】 技術方案實施例提供之遮光片之結構示意圖。 圖係本技術方案實施例提供之鏡頭模組之 圖3係本技術方案實施例提供之鏡頭模組之剖面=。 【主要元件符號說明】 遮光片 10 第一表面 11 第二表面 12 外側面 13 固定凹槽 14 第一黏結面 141 卓—黏結面 142 弟三黏結面 143 通孔 15 鏡片組 20 第一鏡片 21 第一光學部 211 第一固定部 212 11 201003273 第一固定面 213 第二鏡片 22 第二光學部 221 第二固定部 222 第二固定面 223 鏡頭模組 30 鏡同 31 内壁 311 12201003273 IX. Description of the Invention: [Technical Field] The present invention relates to the field of imaging technology, and in particular to a light shielding sheet, a mirror sheet group and a lens module including the lens group. [Prior Art] In recent years, with the development of multimedia technology, the application range of lens modules has become wider and wider. For example, it is used in portable electronic products such as digital cameras, camcorders, and mobile phones with shooting functions. At the same time as digital cameras, camcorders, and mobile phones with shooting functions are being miniaturized, there is a higher demand for the image quality of the objects they shoot, that is, the image of the object to be photographed is more clear. The image quality of the subject is largely determined by the alignment of the optical axes of the lenses in the lens module. Alpheus W. Burner et al., Paper Lens Calibration For Wind Tunnel Measurements, presented at the 1995 SPIE System, Videometrics IV, explains that the optical axes of the lenses in the lens module are misaligned. And the impact. The lens module of the prior art includes a lens barrel and a first lens, a light shielding film and a second lens which are sequentially disposed in the lens barrel. The light shielding sheet between the first lens and the second lens blocks the stray light passing through the non-optical imaging area of the lens so that the light beams transmitted through the optical zone of each lens cooperate with each other to form an image. However, when assembling the lens module, the light shielding film is first aligned with the first lens and fixed, and then the second lens is aligned with the light shielding film and fixed, and finally the light shielding film 6 201003273 is disposed on the first lens and the second lens. Between the lenses. The assembly process requires two alignments and fixations of the light sheet and the lens to increase the number of alignments, and at the same time, the optical axis misalignment caused by the alignment error may occur, and the lens = assembly time and cost may be increased. SUMMARY OF THE INVENTION In view of the above, it is necessary to provide a light shielding sheet, a lens group, and a lens module including the lens group to reduce alignment and fixing processes during assembly, and to reduce assembly time and cost of the blade module. The following will be described by way of example - a light shielding film, a lens group, and a lens module including the same. A light shielding sheet having opposite first and second surfaces and a side surface between the first surface and the second surface and contacting the first surface and the second surface. The visor is provided with a through hole 'through the first surface and the second surface for light transmission and imaged with other elements. The light shielding sheet is provided with a fixing groove which faces the inner surface of the light shielding sheet from the outer side and the second surface. The shell-and-eye lens group includes a first lens, a second lens, and a light shielding film disposed between the f-sheet and the second lens. The first lens includes a first light: a portion and a connecting portion (4) a first fixing portion of the first optical portion. The first lens includes a second optical portion and an L-f portion connected to and surrounding the second optical portion. The first surface and the second surface of the light shielding sheet are in contact with the first surface of the first surface and the first surface and the second surface directly adjacent to the first surface and the second surface The second surface of the 201003273 is in contact with the second #^^^^ Μ 疋 疋4 of the second lens, so that the first lens, the first lens and the second lens are contained in the lens module, which includes The adhesive phase is fixed. The lens group includes the lens group disposed in the lens barrel. The lens group includes a first lens, a second lens and a light shielding film disposed between the first lens and the first lens. ^ FI Μ ^ , the young lens comprises a first optical portion and a m-th connection connected around the periphery of the first optical portion. The second optical portion is connected and connected around the second optical portion u = the light film is opposite to The first surface and the second surface are located on the outer surface of the first surface and the second surface directly adjacent to the first surface and the second surface. The first surface is fixed to the first surface of the first surface Contact with the second surface of the second surface J lens, so that the first lens, The light shielding film and the second mirror μ are fixed by the poking agent contained in the fixing groove, and are fixed to the inner wall of the lens barrel by the adhesive. Compared with the prior art, the fixing groove of the light shielding sheet is used for accommodating the adhesive. The component which is located on opposite sides of the light shielding sheet or adjacent to the light shielding sheet can be separated from the light shielding sheet by the adhesive, which simplifies the assembly process and the cost. A mode of implementation will be described below with reference to the accompanying drawings. For example, the light shielding sheet, the lens group and the lens module including the lens assembly provided by the embodiment of the present invention are further described in detail. Referring to FIG. 1 , the light shielding sheet 1 提供 provided by the technical solution has a first surface 11 opposite thereto. And a second surface and a side surface 201003273 13 between the first surface n and the second surface 12 and contacting the first surface u and the second surface 12. The light shielding sheet 10 is provided with a through hole 15. The through hole 15 The through-surface u and the second surface 12 ′ are used for light transmission. The opaque sheet 1 〇 is provided with a plurality of fixing grooves 14 extending from the outer side surface 13 toward the inside of the visor 1 并 and through the first Surface π and second surface 12. Each fixing groove 14 has a first bonding surface 141 opposite to the outer side surface 13 and a second bonding surface 142 and a third bonding surface 143 connected to the outer side surface and the first bonding surface 141. The fixing groove 14 is for receiving the adhesive. The light shielding sheet 1 is fixed to the adjacent object by the adhesive. In the embodiment, the light shielding sheet is annular and is provided with six fixing grooves 14 spaced along the circumference of the light shielding sheet 10. Preferably, the fixing grooves 14 are equally spaced along the circumference of the light shielding sheet 10. If the micro lens module is fabricated, the fixing groove 14 has a recess depth from the outer side surface 13 toward the inside of the light shielding sheet 10 of 0.1 to 〇. 2mm. Referring to FIG. 2 and FIG. 3, the lens module 3〇 provided by the technical solution includes a lens barrel 31 and a lens group 20 of the embodiment assembled in the lens barrel 31 along the optical axis. The lens group 20 includes a first lens 21, a second lens 22, and a light shielding film 1 disposed between the first lens 21 and the second lens 22. The first lens 21 has a first optical portion 211 and a first fixing portion 212. The first optical portion 211 corresponds to the through hole 15 of the light shielding sheet 1b, and optically images the object. The first fixing portion 212 is connected around the first optical portion 211 for fixing the first optical portion 212. The first fixing portion 212 has a first fixing surface 213 on the side opposite to the light shielding sheet 10. The first fixing surface is brought into contact with the first surface u of the light shielding sheet 10. The first fixing portion 9 201003273 has a portion corresponding to the fixing groove 14 and is exposed from the fixing groove 14 for contacting with the adhesive located in the fixing groove 14, thereby achieving fixation with the light shielding sheet 10. The second and second lenses 22 have a second optical portion 221 and a second fixed portion 222. The second fixing portion 222 is connected around the second optical portion 221 . The optical axis of the second optical portion 221 coincides with the optical axis of the first optical portion 211. The second fixing portion 222 has a second fixing surface 223 opposite to the light shielding sheet 10: the second fixing surface 223 is in contact with the second surface 12 of the light shielding sheet 1 (). The portion of the second fixing surface 223 corresponding to the fixing groove 14 is exposed from the fixing groove 14 to contact the adhesive located in the fixing _ 14 so as to be fixed to the visor 10 . In the present embodiment, the inner diameter of the light shielding sheet 1 () is equal to or slightly smaller than the diameter of the school portion plus or the second optical portion 221 to ensure the effect of blocking stray light. The fixing groove 14 has a recessed depth from the outer side surface 13 toward the inside of the light shielding sheet 10 of 0.1 to 0.2. During assembly, the adhesive agent is accommodated in the fixing groove 14 of the light shielding sheet 1 , and the first-bonding of the first surface and the fixing surface 223 and the fixing concave surface 14 are exposed from the fixing groove 14 141. The first adhesive surface 142 is bonded to the third adhesive surface 143. The first fixing portion 212 of the lens 21, the second lens 22 222, and the light shielding film 1 are fixed to each other, as shown in FIG. Fixing portion The lens barrel 31 has an inner wall 311. At the time of assembly, the adhesive contained therein is simultaneously adhered to the inner wall 311 of the lens barrel 31 = the second lens 21, the light shielding film 1 and the second lens are adhered to the lens barrel 31. At the same time, 201003273 In summary, the present invention has indeed met the requirements of the invention patent, and has filed a patent application according to law. However, the above description is only a preferred embodiment of the present invention, and the scope of the patent application of the present invention cannot be limited thereby. Equivalent modifications or variations made by persons skilled in the art in light of the present invention are intended to be included within the scope of the following claims. BRIEF DESCRIPTION OF THE DRAWINGS A schematic structural view of a light shielding sheet provided by an embodiment of the technical solution. FIG. 3 is a cross-sectional view of a lens module provided by an embodiment of the present technical solution. [Major component symbol description] visor 10 first surface 11 second surface 12 outer side 13 fixing groove 14 first bonding surface 141 卓 - bonding surface 142 three bonding surface 143 through hole 15 lens group 20 first lens 21 An optical portion 211 first fixing portion 212 11 201003273 first fixing surface 213 second lens 22 second optical portion 221 second fixing portion 222 second fixing surface 223 lens module 30 mirror same 31 inner wall 311 12