1375110 __ 101年08月17日按正替^頁 六、發明說明： 【發明所屬之技術領域】 [0001] 本發明涉及一種光源裝置，及一種使用該光源裝置之投 影機。 【先前技術】 [0002] 近年來，因市場需求，投影機之輸出亮度不斷提升，因 此現在已有雙燈或者多燈架構之投影機問世。在這些雙 燈或者多燈架構之投影機中，光源發出之光線很多沒有 最終收入到投影機之積分柱系統中，而是發散射到積分 柱系統外，從而產生光損耗，導致光源利用效率不高， 因此如何能夠更好之讓更多之光線收入到投影機之積分 柱系統中，提高光之利用效率，成為投影機生產者必須 要解決之問題。 【發明内容】 [0003] 有鑒於此，有必要提供一種減少光損耗，光利用率高之 光源裝置及使用該光源裝置之投影機。 [0004] 一種光源裝置，其包括第一燈、第二燈、反射元件、透 鏡及聚光元件，所述第一燈、反射元件、聚光元件沿所 述聚光元件之光軸依次設置，所述第一燈包括第一反射 罩及第一發光管，並且使第一發光管射向第一反射罩之 光線反射形成平行光，所述第二燈包括第二反射罩及第 二發光管，所述第二反射罩使第二發光管發出之光線彙 聚，所述反射元件包括成銳角設置之第一反射面及第二 反射面，所述第一反射面將第一燈之第一發光管射向第 一反射面之光線反射到第一反射罩上，所述聚光元件接 單编號删1 第4頁/共16頁 1013316287-0 1375110 101年.08月17日核正替换π 收第一燈經第一反射罩反射之光線，並進行彙聚，所述 第二反射面位於所述第一反射面與聚光元件之間，所述 第二燈之光線被所述第二反射罩彙聚到第二反射面上之 一點上，所述透鏡設置於所述反射元件與所述聚光元件 之間所述第二燈之光路上，所述透鏡之焦點位於所述第 二反射面上所述第二燈之光線之彙聚點上，所述透鏡用 於將所述第二燈被所述第二反射面反射之光線形成平行 光入射到該聚光元件上。 [0005] 一種投影機，其包括二光源裝置，其中所述光源裝置具 備上述光源裝置之結構。 [0006] 本發明提供之光源裝置採用雙燈結構，兩個燈發出之光 線分別經由兩個燈相對應之反射面反射，最後由、聚光元 件進行聚焦。從而可以防止光量浪費，實現了光之低損 耗，高利用率。 【實施方式】 [0007] 下面將結合附圖，對本發明作進一步之詳細說明。 [0008] 實施方式一 [0009] 圖1為實施方式一中之投影機1 000之結構示意圖。包括光 源裝置100、積分柱系統200、DMD元件’300及鏡頭400。 所述光源裝置100包括第一燈10、第二燈20、反射元件 30、聚光元件40及透鏡50。所述第一燈10、反射元件30 、透鏡50及聚光元件40沿所述聚光元件40之光軸依次設 置，所述第二燈20位於第一燈10與聚光元件40之間偏離 聚光元件40光軸位置。 隱4218产單编號Α0101 第5頁/共16頁 1013316287-0 13751101375110 __August 17th, 2011. Pressing the positive page. VI. Description of the Invention: [Technical Field of the Invention] [0001] The present invention relates to a light source device, and a projector using the same. [Prior Art] [0002] In recent years, due to market demand, the output brightness of the projector has been continuously increased, so that a projector with a dual lamp or a multi-lamp architecture has been available. In these two-lamp or multi-light architecture projectors, many of the light emitted by the light source is not finally collected into the integral column system of the projector, but is scattered outside the integrating column system, thereby generating optical loss, resulting in light source utilization efficiency. High, so how to better allow more light to be absorbed into the projector's integral column system, improve the efficiency of light utilization, and become a problem that projector manufacturers must solve. SUMMARY OF THE INVENTION [0003] In view of the above, it is necessary to provide a light source device that reduces light loss and has high light utilization efficiency, and a projector using the same. [0004] A light source device includes a first lamp, a second lamp, a reflective element, a lens, and a concentrating element, wherein the first lamp, the reflective element, and the concentrating element are sequentially disposed along an optical axis of the concentrating element, The first lamp includes a first reflector and a first LED, and reflects light from the first LED to the first reflector to form parallel light, and the second lamp includes a second reflector and a second LED The second reflector covers the light emitted by the second light-emitting tube, and the reflective element includes a first reflective surface and a second reflective surface disposed at an acute angle, the first reflective surface illuminating the first light of the first light The light emitted from the tube to the first reflecting surface is reflected onto the first reflecting cover, and the concentrating element is singularly numbered. 1 Page 4/16 pages 1013316287-0 1375110 101. August 17 Receiving, by the first reflector, the light reflected by the first reflector, and concentrating, the second reflecting surface is located between the first reflecting surface and the concentrating element, and the light of the second lamp is reflected by the second The cover is concentrated on a point on the second reflecting surface, and the lens is disposed on An optical path of the second lamp between the reflective element and the concentrating element, wherein a focus of the lens is located at a convergence point of the light of the second lamp on the second reflecting surface, and the lens is used for the lens The light reflected by the second reflecting surface of the second lamp is formed into parallel light and incident on the light collecting element. A projector comprising two light source devices, wherein the light source device has the structure of the above light source device. The light source device provided by the present invention adopts a double lamp structure, and the light wires emitted by the two lamps are respectively reflected by the corresponding reflecting surfaces of the two lamps, and finally focused by the collecting elements. Therefore, it is possible to prevent waste of light, and achieve low light loss and high utilization. [Embodiment] The present invention will be further described in detail below with reference to the accompanying drawings. Embodiment 1 [0009] FIG. 1 is a schematic structural diagram of a projector 1 000 according to Embodiment 1. The light source device 100, the integrating column system 200, the DMD element '300, and the lens 400 are included. The light source device 100 includes a first lamp 10, a second lamp 20, a reflective element 30, a concentrating element 40, and a lens 50. The first lamp 10, the reflective element 30, the lens 50 and the concentrating element 40 are sequentially disposed along the optical axis of the concentrating element 40, and the second lamp 20 is located between the first lamp 10 and the concentrating element 40. The optical axis position of the concentrating element 40. Hidden 4218 Production Order No. Α0101 Page 5 of 16 1013316287-0 1375110
[ooio] [0011] [0012] 所述第一燈i〇包括第一反射罩11及第一發光管12。所述 第一反射罩11之開口方向朝向所述聚光元件°所述第 一反射罩11可以使第一發光管12射向第一反射罩11之光 線大致反射成平行光。在本實施方式中，所述第一反射 罩11可以為拋物形反射罩。 所述第二燈20包括第二反射罩21及第二發光管22。所述 第二反射罩21開口方向朝向所述反射元件30 °所述第二 反射罩21可以使第二發光管22射向第二反射罩2丨之光線 彙聚。在本實施方式中，所述第二反射罩21可以為橢球 形反射罩。 所述反射元件30包括第一反射鏡31及第二反射鏡32。所 述第一反射鏡31與第二反射鏡32成銳角設置’其中所述 第一反射鏡31之反射面垂直聚光元件40之光軸，可將第 一燈10之第一發光管12射向第一反射鏡31之光線反射到 第一反射罩11上，再由第一反射罩11反射，從而加以利 用。所述聚光元件40接收所述第一燈10經第一反射罩11 反射之光線，並進行彙聚。所述第二反射鏡32位於所述 第一反射鏡31與透鏡50之間，其反射面與聚光元件40之 光轴成一傾斜角度，在本實施方式中，此傾斜角度為45 度。所述第二燈20發出之光線彙聚到所述第二反射鏡32 之反射面上，使得光線經第二反射鏡32反射到所述透鏡 50上，大致形成平行光，最後入射到聚光元件40上，然 後經聚光元件40聚焦。在本實施方弍中，所述第二燈20 發出之光線彙聚到所述第二反射鏡32之反射面上之一點 上，同時該彙聚點為所述透鏡50之焦點。所述透鏡50為 1013316287-0 _21#單编請01 Γ375110 10Ϊ年08月17日按正替換頁 凸透鏡。 [0013] 所述聚光元件40將光線彙聚到所述積分柱系統200上’，然 後照射到DMD元件300上，DMD元件300對光線進行選擇調 製，最後由鏡頭400投射出去。 [0014] 實施方式二 [0015] 圖2為實施方式二中之投影機1 002之結構示意圖，其中光 源裝置102之結構與實施方式一有基本相似之構成，但是 反射元件與實施方式一中反射元件不同。 [0016] 所述光源裝置102中之反射元件為一直角三角棱柱60。所 述直角三角棱柱60包括兩個垂直之直角面及連接兩個直 角面之一個斜面。所述直角三角棱柱60位於所述第一燈 10與透鏡50之間，其中一個直角面S垂直光軸，斜面S’ 位於直角面S與所述透鏡50之間。將所述之直角面S與斜 面S’鍍上反射膜，使其可以反射光線。 [0017] 所述直角三角棱柱60之直角面S將第一燈10之第一發光管 12射向直角面S之光線反射到第一反射罩11上，再由第一 反射罩11反射，從而加以利用。所述聚光元件40接收所 述第一燈10經第一反射罩11反射之光線，並進行彙聚。 所述第二燈20發出之光線彙聚於所述直角三角棱柱60之 斜面S’反射面上，光線被反射到所述透鏡50上，大致形 成平行光入射到聚光元件40上，然後經聚光元件40聚焦 。在本實施方式中，所述第二燈20發出之光線彙聚到所 述斜面S’反射面上之一點上，同時該彙聚點為所述透鏡 5 0之焦點。 0971·产單编號A〇101 第7頁/共16頁 1013316287-0 1375110 [0018]實施方式三 |l〇l 年 08 月 [0019] 圖 3 A β , ’一貫細*方式三令之投影機1 004之結構示意圖，其中光 源裝置104之結構與實施方式一有基本相似之構成’但是 聚光70件與實施方式一中之不同。 [0020] 在^ 水^ 音1 ^ , 頁施方式中，以一非球面透鏡70取代所述聚光元件 40及透鏡50。所述非球面透鏡7〇中心部分之曲率半徑小 於周邊部分之曲率半徑，所述第一燈10之光線由其第一 反射罩11反射到所述非球面透鏡7〇之周邊部分，所述第 一燈20之光線由其第二反射罩21彙聚到第二反射鏡32上 ，由第二反射鏡32反射到所述非球面透鏡70之中心部分 ’由所述非球面透鏡70進行聚焦。 [0〇21]實施方式四 [0022]圖4為實施方式四令之投影機1〇〇6之結構禾意圖，其中光 源裝置106之結構與實施方式一有基本相似之構成，但是 第二燈結構與實施方式一中之不同。 [0023] 在本實施方式中，第二燈80之反射罩81使第二燈80大致 射出平行光線，本實施方式中之反射罩81玎以為拋物形 反射罩，並且反射罩81之口徑尺寸與第二反射鏡32之反 射面相當，使得第二燈80出射光束半徑與第二反射鏡32 之反射面積相當，光束能夠幾乎全部入射到第二反射鏡 32上，然後由第二反射鏡32反射到聚光元件40上’然板 經聚光元件40聚焦。 [0024] 本發明提供之光源裝置採用雙燈結構，兩個燈發出之光 線分別經由兩個燈相對應之反射面反射，最後由聚光元 09714218产單编號 A〇m 第 8 頁 / 共 16 頁 1013316287-0 1375110 101年·08月17日梭正替換頁 件進行聚焦。從而可以防止光量浪費，實現了光之低損 耗，高利用率。 [0025] 综上所述，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】 [0026] 圖1係本發明第一實施方式投影機之結構示意圖； [0027] 圖2係本發明第二實施方式投影機之結構示意圖； [0028] 圖3係本發明第三實施方式投影機之結構示意圖； [0029] 圖4係本發明第四實施方式投影機之結構示意圖； 【主要元件符號說明】 [0030] 投影機：1 000, 1 002, 1 004, 1 006 [0031] 光源裝置： 1 00, 1 02, 104, 106 [0032] 積分柱系統 ：200 [0033] DMD元件：300 [0034] 鏡頭：400 [0035] 第一燈：10 [0036] 第一反射罩 ：11 [0037] 第一發光管 ：12 單編號删1 第9頁/共16頁 1013316287-0 1375110 [0038] 第二燈：20, 80 [0039] 第二反射罩：21 [0040] 第二發光管：22 [0041] 反射元件：30 [0042] 第一反射鏡：31 [0043] 第二反射鏡：32 [0044] 聚光元件：40 [0045] 透鏡：50 [0046] 直角三角棱柱：60 [0047] 直角面：S [0048] 斜面：S’ [0049] 非球面透鏡：70 [0050] 反射罩：81 [0051] 發光管：82 隱4218产單编號A〇101 第10頁/共16頁 101年08月17日修正替換頁 1013316287-0[0012] [0012] The first lamp includes a first reflector 11 and a first arc tube 12. The opening direction of the first reflector 11 faces the concentrating element. The first reflector 11 can substantially reflect the light of the first arc tube 12 toward the first reflector 11 into parallel light. In the present embodiment, the first reflector 11 may be a parabolic reflector. The second lamp 20 includes a second reflector 21 and a second arc tube 22 . The opening direction of the second reflector 21 is toward the reflective element. The second reflector 21 can converge the light from the second arc tube 22 toward the second reflector 2 . In this embodiment, the second reflector 21 may be an ellipsoidal reflector. The reflective element 30 includes a first mirror 31 and a second mirror 32. The first mirror 31 and the second mirror 32 are disposed at an acute angle. The reflective surface of the first mirror 31 is perpendicular to the optical axis of the concentrating element 40, and the first LED 10 of the first lamp 10 can be fired. The light rays directed to the first reflecting mirror 31 are reflected onto the first reflecting cover 11, and are reflected by the first reflecting cover 11 to be utilized. The concentrating element 40 receives the light reflected by the first lamp 10 through the first reflector 11 and converges. The second mirror 32 is located between the first mirror 31 and the lens 50, and its reflecting surface is inclined at an angle to the optical axis of the concentrating element 40. In the present embodiment, the tilt angle is 45 degrees. The light emitted by the second lamp 20 converges on the reflective surface of the second mirror 32, so that the light is reflected by the second mirror 32 onto the lens 50, substantially forming parallel light, and finally incident on the concentrating element. 40 is then focused by the concentrating element 40. In the present embodiment, the light emitted by the second lamp 20 converges to a point on the reflecting surface of the second mirror 32, and the convergence point is the focus of the lens 50. The lens 50 is 1013316287-0 _21# single code please 01 Γ 375110 10th year, August 17th, according to the positive replacement page convex lens. [0013] The concentrating element 40 converges light onto the integrating column system 200, and then illuminates the DMD element 300. The DMD element 300 selectively modulates the light and is finally projected by the lens 400. [0014] FIG. 2 is a schematic structural view of a projector 1 002 according to Embodiment 2, wherein the structure of the light source device 102 is substantially similar to that of Embodiment 1, but the reflective element and the reflection in Embodiment 1 The components are different. [0016] The reflective elements in the light source device 102 are right-angled triangular prisms 60. The right-angled triangular prism 60 includes two perpendicular right-angled faces and one inclined face connecting the two right-angled faces. The right-angled triangular prism 60 is located between the first lamp 10 and the lens 50, wherein a right-angled surface S is perpendicular to the optical axis, and the inclined surface S' is located between the right-angled surface S and the lens 50. The right-angled surface S and the inclined surface S' are plated with a reflective film to reflect light. [0017] The right angle surface S of the right-angled triangular prism 60 reflects the light of the first light-emitting tube 12 of the first lamp 10 toward the right-angled surface S onto the first reflector 11 and is reflected by the first reflector 11 Use it. The concentrating element 40 receives the light reflected by the first reflector 10 through the first reflector 11 and converges. The light emitted by the second lamp 20 converges on the reflecting surface of the inclined surface S' of the right-angled triangular prism 60, and the light is reflected on the lens 50, and substantially parallel light is incident on the concentrating element 40, and then is condensed. Light element 40 is in focus. In this embodiment, the light emitted by the second lamp 20 converges on a point on the reflecting surface of the slope S', and the convergence point is the focus of the lens 50. 0971·Bill No. A〇101 Page 7/16 pages 1013316287-0 1375110 [0018] Embodiment 3|l〇l Year 08 [0019] Figure 3 A β, 'consistent fine* way three-projection projection A schematic diagram of the structure of the machine 1 004, wherein the structure of the light source device 104 is substantially similar to that of the first embodiment, but the concentrating 70 is different from that in the first embodiment. [0020] In the water mode, the concentrating element 40 and the lens 50 are replaced by an aspherical lens 70. The radius of curvature of the central portion of the aspherical lens 7 is smaller than the radius of curvature of the peripheral portion, and the light of the first lamp 10 is reflected by the first reflector 11 to the peripheral portion of the aspherical lens 7〇, The light of one lamp 20 is concentrated by its second reflecting cover 21 onto the second reflecting mirror 32, and the central portion of the aspherical lens 70 is reflected by the second reflecting mirror 32 to be focused by the aspherical lens 70. [0〇21] Embodiment 4 [0022] FIG. 4 is a structure of a projector 1〇〇6 of Embodiment 4, wherein the structure of the light source device 106 is substantially similar to that of Embodiment 1, but the second lamp The structure is different from that in the first embodiment. [0023] In the present embodiment, the reflector 81 of the second lamp 80 causes the second lamp 80 to substantially emit parallel rays. In the present embodiment, the reflector 81 is a parabolic reflector, and the aperture size of the reflector 81 is The reflecting surfaces of the second mirror 32 are equivalent such that the exit beam radius of the second lamp 80 is comparable to the reflecting area of the second mirror 32, and the beam can be incident on almost all of the second mirror 32 and then reflected by the second mirror 32. On the concentrating element 40, the slab is focused by the concentrating element 40. [0024] The light source device provided by the invention adopts a double lamp structure, and the light emitted by the two lamps is respectively reflected by the corresponding reflecting surfaces of the two lamps, and finally the number of the light source 0991418 is produced by the single number A〇m. 16 pages 1013316287-0 1375110 On the 101st and August 17th, the shuttle is replacing the page for focusing. Therefore, it is possible to prevent waste of light, and achieve low light loss and high utilization. [0025] 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 the preferred embodiment of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and equivalent modifications or variations made by those skilled in the art in light of the spirit of the present invention are It should be covered by the following patent application. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic structural view of a projector according to a first embodiment of the present invention; FIG. 2 is a schematic structural view of a projector according to a second embodiment of the present invention; [0028] FIG. 3 is a schematic structural view of a projector; [0029] FIG. 4 is a schematic structural view of a projector according to a fourth embodiment of the present invention; [Description of main components] [0030] Projector: 1 000, 1 002, 1 004, 1 006 [0031] Light source device: 1 00, 1 02, 104, 106 [0032] Integral column system: 200 [0033] DMD component: 300 [0034] Lens: 400 [0035] First lamp: 10 [0036] First Reflector: 11 [0037] First light-emitting tube: 12 single number deletion 1 page 9 / total 16 pages 1013316287-0 1375110 [0038] second light: 20, 80 [0039] second reflector: 21 [0040] Second light-emitting tube: 22 [0041] Reflective element: 30 [0042] First mirror: 31 [0043] Second mirror: 32 [0044] Concentrating element: 40 [0045] Lens: 50 [0046] Right-angled triangle Prism: 60 [0047] Right angle: S [0048] Bevel: S' [0049] Aspheric lens: 70 [0050] Reflector: 81 [0051] The light pipe: 82 hidden production order number A〇101 4218 page 10/16 Page 101 years August 17 amended page replacement 1013316287-0