1351573 九、發明說明： 【發明所屬之技術領域】 本發明係有關於一種閃光模組，特別係有關於一種具 有能源節約功能的閃光模組。 【先前技術】 參照第la圖，習知之影像擷取裝置（手機）1包括一殼 體10、一鏡頭20、一閃光模組30以及一電路板。鏡頭20 0 以及閃光模組30設於該殼體10之上。電路板設於該殼體 10之中。 參照第lb圖，習知之閃光模組30包括一光源31以及 一擴散板32。光源31設於該電路板40之上，並提供一光 線2。擴散板32對應該光源31。光線2從該光源31經過 該擴散板32射出。 在習知技術中，由於部分的光線被殼體所遮檔，或， 朝無效的方向射出。因此，僅有70%的光線能有效的應用 φ 於影像擷取時的補光，而有30%的光線遭到浪費。因而造 成電池的電力損失，且補光效果不佳。 【發明内容】 本發明即為了欲解決習知技術之問題而提供之一種閃 光模組，包括一光源以及一透鏡。光源設於一電路板之上， 並提供一光線。透鏡包括一内曲面、一外曲面以及一出光 面，該透鏡對應該光源，其中，該光線從該内曲面進入該 透鏡，由該外曲面反射而朝出光面前進，並經過該出光面 離開該閃光模組。1351573 IX. Description of the Invention: [Technical Field] The present invention relates to a flash module, and more particularly to a flash module having an energy saving function. [Prior Art] Referring to FIG. 1A, a conventional image capturing device (handset) 1 includes a casing 10, a lens 20, a flash module 30, and a circuit board. The lens 20 0 and the flash module 30 are disposed on the casing 10. A circuit board is disposed in the housing 10. Referring to Figure lb, a conventional flash module 30 includes a light source 31 and a diffuser panel 32. The light source 31 is disposed on the circuit board 40 and provides a light line 2. The diffuser plate 32 corresponds to the light source 31. Light ray 2 is emitted from the light source 31 through the diffuser 32. In the prior art, part of the light is blocked by the casing, or is emitted in an ineffective direction. Therefore, only 70% of the light can effectively apply φ to the fill light during image capture, and 30% of the light is wasted. As a result, the power loss of the battery is caused, and the light filling effect is not good. SUMMARY OF THE INVENTION The present invention is directed to a flash module for solving the problems of the prior art, including a light source and a lens. The light source is disposed on a circuit board and provides a light. The lens includes an inner curved surface, an outer curved surface and a light emitting surface, wherein the lens corresponds to the light source, wherein the light enters the lens from the inner curved surface, is reflected by the outer curved surface and advances toward the light exiting surface, and exits the light emitting surface through the light emitting surface Flash module.
Client’s Docket No.: 950353 ( S TT’s Docket No: 0660-A41131-TW/Draft-f/Lemon ς " 1351573 應用本發明之閃光模組，由於透過適當的曲面設計， 光源所提供的光線可被充分控制而對準被攝對象，因此， 光線可以完整的應用於影像拍員取時的補光’避免電池電力 損失，且提高補光效果。 【實施方式】 參照第2圖，其係顯示本發明實施例之影像擷取裝置 (手機）100，包括一殼體1〇、一鏡頭20、一閃光模組2⑼ 以及一電路板。鏡頭20以及閃光模組200設於該殼體1〇 之上。電路板設於該殼體1〇之中。 參照第3圖，閃光模組200包括一光源21 〇以及—透 鏡220。光源210設於該電路板40之上，並提供一光線3。 透鏡220包括一内曲面221、一外曲面222以及—出光面 223。該外曲面222連接於該内曲面221與該出光面223 之間。該透鏡220接觸該電路板40，並對應該光源21〇。 其中，該光線3從該内曲面221進入該透鏡22〇，由該外 曲面222反射而朝出光面223前進，並經過該出光面 離開該閃光模組200。 應用本發明之閃光模組200’由於透過適當的曲面設 計’光源210所提供的光線3可被充分控制 2 象，因此，光線3可以完整的應用於影像掏取二： 避免電池電力損失，且提高補光效果。 在上述實施例中，It内曲® 221可以為猶圓曲面、抛 物面、球面或其他曲面。Client's Docket No.: 950353 (S TT's Docket No: 0660-A41131-TW/Draft-f/Lemon ς " 1351573 Applying the flash module of the present invention, the light provided by the light source can be fully utilized by the appropriate curved surface design Controlling and aligning the subject, therefore, the light can be completely applied to the fill light when the image capturer takes it to avoid battery power loss and improve the fill light effect. [Embodiment] Referring to Figure 2, the present invention is shown. The image capturing device (handset) 100 of the embodiment includes a casing 1 , a lens 20 , a flash module 2 ( 9 ) and a circuit board. The lens 20 and the flash module 200 are disposed on the casing 1 . The circuit board is disposed in the housing 1. Referring to Figure 3, the flash module 200 includes a light source 21 and a lens 220. The light source 210 is disposed on the circuit board 40 and provides a light 3. The lens 220 An inner curved surface 221, an outer curved surface 222, and a light exiting surface 223 are included. The outer curved surface 222 is connected between the inner curved surface 221 and the light emitting surface 223. The lens 220 contacts the circuit board 40 and corresponds to the light source 21〇. Wherein the light 3 is from the inside The surface 221 enters the lens 22, is reflected by the outer curved surface 222, and proceeds toward the light exit surface 223, and exits the flash module 200 through the light exiting surface. The flash module 200' of the present invention is designed to transmit light through a suitable curved surface. The light 3 provided by 210 can be fully controlled by 2 images, therefore, the light 3 can be completely applied to the image capturing 2: avoiding battery power loss and improving the fill light effect. In the above embodiment, the It Netra® 221 can be A juniper surface, a paraboloid, a sphere, or other surface.
Client's Docket No.： 950353 TT's Docket No: 0660-A41131-TW/Draft-f/Lemon 1351573 在上述實施例中’該外曲面222可以為橢圓曲面、拋 物面、球面或其他曲面。 該出光面223可以為平面或曲面。 該透鏡220的材質可以為玻璃、塑膠、樹脂或其他透 明材料。 該透鏡220可以射出成形的方式製作。 該光源210為發光二極體。 在上述實施例中’透過控制透鏡(介質）的材質以及光線 的入射角大於全反射臨界角，可使光線由該外曲面所反射。 參照第4圖’其係顯示本發明實施例之一變形例的問 光模組200’ ’其中’該透鏡220更包括一反光膜層224， 设於該外曲面222。該光線3抵達外曲面222之後，由反 光膜層224反射而朝出光面223前進，並經過該出光面223 離開該閃光模組200’。 該反光膜層224係以電鍍的方式形成於該外曲面222。 雖然在本發明實施例中，影像擷取裝置以手機為例， 然其並未限制本發明，本發明實施例之影像擷取裝置亦可 以為數位相機’傳統相機或其他影像梅取裝置。 雖然本發明已以具體之較佳實施例揭露如上，然其並 非用以限定本發明，任何m項技藝者，在^脫離本發 明之精神和範圍内’仍可作些許的更動與潤飾，因此本發 明之保護範圍當視後附之申請專利範圍所界定者為準。 【圖式簡單說明】Client's Docket No.: 950353 TT's Docket No: 0660-A41131-TW/Draft-f/Lemon 1351573 In the above embodiment, the outer curved surface 222 may be an elliptical curved surface, a paraboloid, a spherical surface, or other curved surface. The light exit surface 223 can be a flat surface or a curved surface. The lens 220 may be made of glass, plastic, resin or other transparent material. The lens 220 can be produced by injection molding. The light source 210 is a light emitting diode. In the above embodiment, the material passing through the control lens (medium) and the incident angle of the light are larger than the total reflection critical angle, so that the light is reflected by the outer curved surface. Referring to Fig. 4, there is shown a light module 200'' of a modification of the embodiment of the present invention, wherein the lens 220 further includes a light reflecting film layer 224 disposed on the outer curved surface 222. After the light 3 reaches the outer curved surface 222, it is reflected by the reflective film layer 224 to advance toward the light exit surface 223, and exits the flash module 200' through the light exit surface 223. The reflective film layer 224 is formed on the outer curved surface 222 by electroplating. In the embodiment of the present invention, the image capturing device is exemplified by a mobile phone, but the image capturing device of the embodiment of the present invention may also be a digital camera' conventional camera or other image capturing device. Although the present invention has been described above in terms of specific preferred embodiments, it is not intended to limit the invention, and any of those skilled in the art can still make some modifications and refinements within the spirit and scope of the present invention. The scope of the invention is defined by the scope of the appended claims. [Simple description of the map]
Client’s Docket No.: 950353 TT^ Docket No: 0660-A41131-TW/Draft-f/Lemon 1351573 第la圖係顯示習知之影像擷取裝置； 第lb圖係顯示習知之閃光模組； 第2圖係顯示本發明實施例之影像擷取裝置； 第3圖係顯示本發明實施例之閃光模組的細部結構； 第4圖係顯示本發明實施例之一變形例的閃光模組。 【主要元件符號說明】 1〜影像擷取裝置 2〜光線 3〜光線 10〜殼體 20〜鏡頭 30〜閃光模組 31〜光源 32〜擴散板 40〜電路板 100〜影像擷取裝置 200〜閃光模組 210〜光源 220〜透鏡 221〜内曲面 222〜外曲面 223〜出光面 224〜反光膜層Client's Docket No.: 950353 TT^ Docket No: 0660-A41131-TW/Draft-f/Lemon 1351573 The first drawing shows a conventional image capturing device; the lb is a conventional flash module; The image capturing device of the embodiment of the present invention is shown; FIG. 3 is a view showing a detailed structure of a flash module according to an embodiment of the present invention; and FIG. 4 is a flashing module showing a modification of the embodiment of the present invention. [Main component symbol description] 1~image capturing device 2~light 3~light 10~ housing 20~lens 30~flash module 31~light source 32~diffusion plate 40~circuit board 100~image capturing device 200~flash Module 210 to light source 220 to lens 221 to inner curved surface 222 to outer curved surface 223 to light emitting surface 224 to reflective film layer
Client’s Docket No.: 950353 TT’s Docket No: 0660-A41131-TW/Draft-f/LemonClient’s Docket No.: 950353 TT’s Docket No: 0660-A41131-TW/Draft-f/Lemon