1380121 _— 101年.08月07日梭正替換頁 六、發明說明： 【發明所屬之技術領域】 [0001] 本發明涉及一種投影機。 【先前技術】 [0002] 目前，很多投影機採用波長比較窄光源，如雷射，因光 源本身同調性高，使得光與光在疊加時會產生建設性干 涉（constructive interference)與破壞性干涉 (destructive interference)之現象，從而在投影螢 幕上產生亮暗之區塊，俗稱光斑（speckle)效應，造成 投影品質不佳。其中，同調性係指光之相干性，而所謂 建設性干涉係兩波重迭時，合成波之振幅大於分波之振 幅；所謂破壞性干涉係兩波重疊時，合成波之振幅小於 分波之振幅。另外，目前所用之光源有單色光源也有彩 色光源，而採用彩色光源大多數係將多個單色光源一起 使用，這樣會導致整個投影機之體積增大，不能滿足小 型化之要求。 〇 【發明内容】 [0003] 有鑒於此，有必要提供一種能消除光斑效應同時達到小 型化之投影機。 - [0004] 一種投影機，其包括一光源組件、一擴散片及一螢光元 件。所述光源組件包括一光源、一分光元件及一反射鏡 。所述光源發出一單束光線，所述單束光線進入所述分 光元件後形成一第一路光線及一第二路光線。所述螢光 元件具有三個色段，分別為紅光色段、藍光色段及綠光 色段。所述第一路光線沿所述單束光線之光路依次進入 097·#單编號 A〇101 第4頁/共22頁 1013299770-0 1380121 1101年.08月07日修正^換頁 所述擴散片及所述螢光元件之三個色段中之一個色段。 所述第二路光線為所述單束光線在所述分光元件上之反 射光線。所述反射鏡設置在所述第二路光線之光路上， 且以不低於20赫茲之頻率做往返運動。所述第二路光線 經過所述反射鏡反射後，以不低於20赫茲之移位頻率依 次進入所述擴散片及所述螢光元件之三個色段中之一個 色段。 [0005] 與先前技術相比’所述投影機，藉由使反射鏡之往返運 動頻率不低於20赫茲，從而使所述第一路光線與經過所 述反射鏡之第二路光線形成之光斑現象以不低於20赫茲 之頻率移位模糊人眼感覺到之光斑現象，進而實現消 除光斑效應。另外，利用在光路上活動設置螢光元件可 以得到衫色光源，減少了使用之單色光源之數量，因此 實現了投影機之小型化。 【實施方式】 [0006] 為了對本發明之投影機做進一步之說明，舉以下實施方 式並配合附圖進行詳細說明如下。 [0007] 第一實施方式 [0008] 請參閱圖1，為本發明第一實施方式提供之投影機ίο，其 包括一光源組件100、一擴散片200 ' —螢光元件300、 一光均勻化元件400、其他光學元件5〇〇、一第一馬達 600及一第二馬達7〇〇。所述光源組件1〇〇包括一光源η 〇 、一分光元件120及一反射鏡13〇 ^所述螢光元件30〇具 有三個色段，分別為紅光色段、籃光色段及綠光色段。 09713993#單編號 Α0101 第5頁/共22頁 1013299770-0 13801211380121 _-101年.08月07日 Shuttle replacement page VI. Description of the invention: [Technical field of invention] [0001] The present invention relates to a projector. [Prior Art] [0002] At present, many projectors use narrow-wavelength light sources, such as lasers, because of the high homogeneity of the light source itself, which causes constructive interference and destructive interference when light and light are superimposed ( Destructive interference), which produces bright and dark blocks on the projection screen, commonly known as the speckle effect, resulting in poor projection quality. Among them, the homology refers to the coherence of light, while the so-called constructive interference system overlaps, the amplitude of the composite wave is larger than the amplitude of the partial wave; when the two waves overlap, the amplitude of the synthetic wave is smaller than the partial wave. The amplitude. In addition, the current light source has a monochromatic light source and a color light source, and the use of a color light source mostly uses a plurality of monochromatic light sources together, which causes the entire projector to increase in volume and cannot meet the requirements of miniaturization. SUMMARY OF THE INVENTION [0003] In view of the above, it is necessary to provide a projector that can eliminate the spot effect while miniaturizing. - [0004] A projector comprising a light source assembly, a diffusion sheet and a fluorescent element. The light source assembly includes a light source, a beam splitting component, and a mirror. The light source emits a single beam of light, and the single beam of light enters the beam splitting element to form a first path light and a second path light. The phosphor element has three color segments, a red color segment, a blue color segment, and a green color segment. The first path light enters the 097.# single number A〇101 page 4/total 22 page 1013299770-0 1380121 1101. 08.07 correction on the light path of the single beam of light And one of the three color segments of the fluorescent element. The second ray is the reflected ray of the single ray of light on the beam splitting element. The mirror is disposed on the optical path of the second path light and performs a reciprocating motion at a frequency of not less than 20 Hz. After the second light ray is reflected by the mirror, it enters one of the three color segments of the diffusion sheet and the fluorescent element in sequence at a shift frequency of not less than 20 Hz. [0005] Compared with the prior art, the projector is configured to form the first path light and the second path light passing through the mirror by making the reciprocating motion frequency of the mirror not lower than 20 Hz. The spot phenomenon shifts at a frequency of not less than 20 Hz to blur the spot phenomenon perceived by the human eye, thereby achieving the effect of eliminating the spot. In addition, by using a fluorescent element on the optical path to obtain a color light source, the number of monochromatic light sources used can be reduced, thereby realizing miniaturization of the projector. [Embodiment] In order to further explain the projector of the present invention, the following embodiments will be described in detail with reference to the accompanying drawings. [0007] First Embodiment [0008] Referring to FIG. 1, a projector according to a first embodiment of the present invention includes a light source assembly 100, a diffusion sheet 200', a fluorescent element 300, and a light uniformization. The component 400, the other optical component 5, a first motor 600, and a second motor 7A. The light source component 1A includes a light source η 〇, a light splitting component 120, and a mirror 13 所述. The fluorescent component 30 〇 has three color segments, respectively, a red color segment, a basket color segment, and a green color. Light color segment. 09713993#单号 Α0101 Page 5 of 22 1013299770-0 1380121
101年08月07日按正替^頁IOn August 07, 101, according to the replacement ^page I
[0009] 所述光源110發出一單束光線L，所述單束光線L進入所述 分光元件120後形成一第一路光線L1及一第二路光線L2， 其中，所述第一路光線L1與所述第二路光線L2之光線亮 度比例可以隨意，在本實施方式中，所述第一路光線L1 與所述第二路光線L2之光線亮度比例為1 : 1。所述第一 路光線L1沿所述單束光線L之光路依次進入所述擴散片 200及所述螢光元件300之三個色段中之一個色段，所述 第二路光線L2為所述單束光線L在所述分光元件120上之 反射光線，所述第二路光線L2經過所述反射鏡130反射後 依次進入所述擴散片200及所述螢光元件300之三個色段 中之一個色段。所述擴散片200使所述光源110發出之第 一路光線L1與第二路光線L2均勻擴散。在本實施方式中 ，擴散片200為以全像方式使光擴散之擴散片，優選地， 所述擴散片200為毛玻璃》其中，全像方式即為全像術， 係指利用光之干涉原理，將光波之振幅與相位同時記錄 在感光底片上，而將此拍攝所得之底片上之影像加以重 建，可以顯示出與原物一樣之立體像。 [〇〇1〇] 其中’所述反射鏡130以一恒定角度θ 1且不低於20赫茲 之頻率做往返旋轉’且使所述第二路光線L2經過所述反 射鏡130反射後依次進入所述擴散片200及所述螢光元件 300，優選地，所述恒定角度01之範圍為〇度<01<5度 。可以理解，若所述恒定角度01過大，將不能保證所述 第二路光線L2經過所述反射鏡130反射後可以進入所述擴 散片200及所述螢光元件300。所述反射鏡130之旋轉， 係改變所述第二路光線L2在所述反射鏡130上之法線，從 09713993#單编號卿1 第 6 頁 / 共 22 頁 1013299770-0 1380121 [^^·Ό8月0>日梭正替換^ 而使經過所述反射鏡130反射至所述擴散片2〇〇之光線發 生改變。當物體振動頻率高達20赫茲以上時，相對於人 眼’物體很模糊，無法區分物體之運動狀態。因此當所 述反射鏡130之往返旋轉頻率不低於20赫茲時，即所述反 射鏡130之往返旋轉次數每秒不低於2〇次時，經過所述反 射鏡130反射後之第二路光線L2之移位次數每秒不低於2〇 次，從而使所述第一路光線L1與所述第二路光線L2形成 之光斑現象以不低於20赫茲之頻率移位，模糊人眼感覺 到之光斑現象，進而消除光斑效應。可以理解，所述反 射鏡130之旋轉頻率越高，相對於人眼，光斑現象越係模 糊。所述反射鏡130之形狀可以為矩形、圓形及菱形等其 他形狀，只要所述反射鏡130之反射面之面積比所述第二 路光線L2在所述反射鏡130之反射面上之投影面積大即可 。在本實施方式中，所述反射鏡13〇之形狀為矩形。 [0011] 在本實施方式中，所述反射鏡130採用第一馬達6〇〇以所 述恒定角度01且以不低於20赫茲之頻率做旋轉運動。 [0012] 第一馬達600包括一轉軸61〇，所述轉軸61〇之一端固定 在所述第一馬達600上，所述轉軸61〇之另一端固定在所 述反射鏡130之一端上。所述第一馬達6〇〇使所述轉軸 61〇旋轉，從而所述轉軸610帶動所述反射鏡13〇旋轉， 了以理解，控制所述第一馬達6 〇 〇之旋轉角度與旋轉頻率 ’即可控制所述反射鏡130以所述恒定角度01且以不低 於20赫茲之頻率做旋轉運動。 _本實施方式中，所述第一馬達_之轉輪61〇固定在所述 反射鏡130之-端之中心，可以理解，只要能使所述第二 09713993#單'編號；A0101 第7頁/共22頁 1013299770-0 1380121 101年.08月07日梭正巷換頁 路光線L2經過所述反射鏡130反射至所述擴散片200，所 述第一馬達600之轉軸610可以固定所述反射鏡130之一 端之任何位置。 [0014] 請進一步參閱圖2,本實施方式中，所述螢光元件300為 圓盤狀，所述螢光元件300平均分成三個扇形色段，所述 螢光元件300繞其中心01以旋轉之方式移動使所述第一路 光線L1與所述第二路光線L2之光線進入所述螢光元件300 之三個色段中之一個色段。本方式採用第二馬達7〇〇實現 ，所述第二馬達700包括一轉子710，所述螢光元件300 之中心固定在所述轉子710上且與所述轉子710同轴，在 所述轉子71〇之帶動下所述螢光元件300旋轉，其中，所 述螢光元件300沿S1方向旋轉。 [0015] 所述第一路光線L1與所述第二路光線L2經過所述擴散片 200後進入所述螢光元件30〇，經所述螢光元件300出射 後進入光均勻化元件400 ’所述光均勻化元件400係將光 源110發出之光線進行均勻化處理。所述光均勻化元件 400輸出之光線再進入其他光學元件5〇〇，可以理解’所 述其他光學元件5〇〇為所述投影機10中之透鏡組等。其中 ’所述光均勻化元件4〇〇為空心光導管或實心光導管。在 本實施方式中，所述光均勻化元件400為空心光導管。本 實施方式中，所述光均勻化元件400沿所述第二路光線L2 設置在所述螢光元件之後，可以理解，所述光均勻化 元件400也可以沿所述第二路光線L2設置在所述擴散片 200和所述螢光元件300之間。 [0016] 第二實施方式 0_93产單编號 A〇101 第 8 頁 / 共 22 頁 1013299770-0 1380121The light source 110 emits a single beam of light L, and the single beam of light L enters the beam splitting element 120 to form a first path light L1 and a second path light L2, wherein the first path light L3 The ratio of the brightness of the light of the L1 and the second light L2 can be arbitrary. In the present embodiment, the brightness ratio of the light of the first light L1 and the second light L2 is 1:1. The first light ray L1 sequentially enters one of the three color segments of the diffusion sheet 200 and the fluorescent element 300 along the optical path of the single light ray L, and the second light ray L2 is The single light ray L reflects the light on the light splitting element 120, and the second light ray L2 is reflected by the mirror 130 and sequentially enters the three color segments of the diffusion sheet 200 and the fluorescent element 300. One of the color segments. The diffusion sheet 200 uniformly diffuses the first light L1 and the second light L2 emitted by the light source 110. In the present embodiment, the diffusion sheet 200 is a diffusion sheet that diffuses light in a holographic manner. Preferably, the diffusion sheet 200 is frosted glass. The holographic method is holographic, which refers to the principle of interference using light. The amplitude and phase of the light wave are simultaneously recorded on the photosensitive film, and the image on the film obtained by the film is reconstructed to display the same stereoscopic image as the original. [〇〇1〇] wherein 'the mirror 130 is rotated back and forth at a constant angle θ 1 and not lower than 20 Hz' and the second light ray L2 is reflected by the mirror 130 and then sequentially enters Preferably, the diffusion sheet 200 and the fluorescent element 300 have a constant angle 01 in a range of & degrees < 01 < 5 degrees. It can be understood that if the constant angle 01 is too large, the second light ray L2 cannot be guaranteed to enter the diffusion sheet 200 and the fluorescent element 300 after being reflected by the mirror 130. The rotation of the mirror 130 changes the normal of the second light ray L2 on the mirror 130, from 09713993#单号卿1 Page 6 / Total 22 Page 1013299770-0 1380121 [^^ · Ό August 0> Risuo is replacing ^ and the light reflected by the mirror 130 to the diffuser 2 发生 is changed. When the object vibrates at a frequency of more than 20 Hz, the object is blurred relative to the human eye and cannot distinguish the motion state of the object. Therefore, when the reciprocating rotation frequency of the mirror 130 is not lower than 20 Hz, that is, the number of reciprocating rotations of the mirror 130 is not less than 2 每秒 times per second, the second path after being reflected by the mirror 130 The number of shifts of the light ray L2 is not less than 2 times per second, so that the spot phenomenon formed by the first light ray L1 and the second light ray L2 is shifted at a frequency of not less than 20 Hz, blurring the human eye. Feel the spot phenomenon and eliminate the spot effect. It can be understood that the higher the rotational frequency of the mirror 130, the more the spot phenomenon is blurred relative to the human eye. The shape of the mirror 130 may be other shapes such as a rectangle, a circle, and a diamond, as long as the area of the reflecting surface of the mirror 130 is smaller than the projection of the second light ray L2 on the reflecting surface of the mirror 130. The area is large. In the present embodiment, the shape of the mirror 13 is rectangular. [0011] In the present embodiment, the mirror 130 is rotated by the first motor 6〇〇 at the constant angle 01 and at a frequency of not less than 20 Hz. [0012] The first motor 600 includes a rotating shaft 61, one end of the rotating shaft 61 is fixed to the first motor 600, and the other end of the rotating shaft 61 is fixed to one end of the mirror 130. The first motor 6 turns the rotating shaft 61 , so that the rotating shaft 610 drives the mirror 13 to rotate, so as to understand, control the rotation angle and the rotating frequency of the first motor 6 ' The mirror 130 can be controlled to rotate at the constant angle 01 and at a frequency of not less than 20 Hz. In the present embodiment, the first motor_wheel 61 is fixed at the center of the end of the mirror 130. It can be understood that the second 09713993# single 'number can be made; A0101 page 7 / Total 22 pages 1013299770-0 1380121 101. On August 07, the shuttle lane light L2 is reflected by the mirror 130 to the diffusion sheet 200, and the rotating shaft 610 of the first motor 600 can fix the reflection Any position of one end of the mirror 130. 2, in the embodiment, the fluorescent element 300 is in the shape of a disk, and the fluorescent element 300 is divided into three fan-shaped color segments, and the fluorescent element 300 is wound around its center 01. The rotation causes the light of the first light L1 and the second light L2 to enter one of the three color segments of the fluorescent element 300. The present method is implemented by a second motor 700, which includes a rotor 710, a center of the fluorescent element 300 is fixed on the rotor 710 and coaxial with the rotor 710, in the rotor The phosphor element 300 is rotated by the 71 ,, wherein the phosphor element 300 is rotated in the S1 direction. [0015] The first light ray L1 and the second light ray L2 pass through the diffusion sheet 200 and enter the fluorescent element 30 〇, and after exiting the fluorescent element 300, enter the light homogenizing element 400 ′ The light homogenizing element 400 performs a homogenization process on the light emitted by the light source 110. The light output from the light homogenizing element 400 is re-entered into the other optical elements 5'', and it can be understood that the other optical elements 5' are the lens groups and the like in the projector 10. Wherein the light homogenizing element 4 is a hollow light guide or a solid light guide. In the present embodiment, the light homogenizing element 400 is a hollow light guide. In this embodiment, the light homogenizing element 400 is disposed behind the fluorescent element along the second light ray L2. It can be understood that the light uniformizing element 400 can also be disposed along the second light ray L2. Between the diffusion sheet 200 and the fluorescent element 300. [0016] Second Embodiment 0_93 Production Order Number A〇101 Page 8 / Total 22 Page 1013299770-0 1380121
I ιοί年糊 I 剛4參_3，為本發明第二實施方式提供之投影機心， 其與本發明第一實施方式提供之投影機1〇基本相同，不 同點在於，所述反射鏡130a以—恒定幅度d且以不低於2〇 赫茲之頻率沿所述第二路光線L22之入射光路做往返運動 ，且使所述第二路光線L22經過所述反射鏡13〇3反射後依 -欠進入所述擴散片200a及所述螢光元件3〇〇a之三個色段 中之一個色段。若所述恒定幅度d過大，將不能確保所述 第二路光線L22經過所述反射鏡13〇3反射後依次進入到所 述擴散片200a及所述螢光元件3〇〇a。優選地，所述恒定 巾备度(1之範圍為0毫米<d<l毫米。 [0018] 所述反射鏡130a以所述恒定幅度d且以不低於2〇赫茲之頻 率沿所述第二路光線L22之光路做往返運動之實現方式很 多，在本實施方式中，採用以下方式實現。 [0019] 所述投影機10a包括一驅動件800，所述驅動件8〇〇包括 ~~與所述反射鏡130a相匹配之支架810 ' —線圈820、一 彈性元件830、一磁石840及一基座850。所述支架810用 於支禮所述反射鏡130a。在本實施方式中，所述彈性元 件830為彈簧。所述磁石840固定在所述基座850上，所 〇 述彈性元件830之一端固定在所述磁石840背向所述基座 85〇之一側上，所述彈性元件830之另一端固定在所述線 圈820面向所述基座850之一側上，所述線圈820遠離所 述基座850之一侧固定在所述支架810面向所述基座850 之一側上。所述線圈820通電後產生磁場（圖未示），所述 越場與位於所述線圈820正下方之磁石840之磁場（圖未示 )形成磁極排斥，從而使所述線圈820產生與所述磁石840 101329977=0-0 09713993#單編號A〇l〇l 第9頁/共22頁 1380121 101年08月〇y日梭正替換頁 相對向上之斥力。所述線圈820之向上運動帶動所述支架 810與所述反射鏡13〇a沿所述第二路光線L22之光路向上 運動’此時’固定在所述線圈820與所述磁石840之間之 彈性元件830產生向下拉力，進而控制所述線圈820之移 動精度。可以理解，要使所述反射鏡130a以一恒定幅度d 且以不低於20赫茲之頻率沿所述第二路光線L22之光路做 往返運動’所述線圈820必須具備一定之電流大小及電流 變化週期。所述線圈820之電流之大小不僅與所述支架 810之重量 '所述反射鏡13〇a之重量及所述線圈820之重 量成正比，還與所述彈性元件830之彈力成正比。所述線 圈820之電流之電流變化週期由所述反射鏡13〇3之運動頻 率決定。 [0020] 請進一步參閱圖4，本實施方式中，螢光元件3〇〇a為方形 板狀，三個色段依次均勻分佈在所述螢光元件3〇〇a上， 所述螢光元件300a以往返平動之方式移動使所述第一路 光線L12與所述第二路光線L22之光線進入所述榮光元件 300a之三個色段中之一個色段。該方式之實現與所述反 射鏡130a移動方式之實現相同，即藉由所述驅動件800來 實現所述螢光元件30〇a之移動，其甲，所述螢光元件 300a沿方向S2往返平動。 [0021] 第三實施方式 [0022] 清一併參閱參閱圖5及圖6，為本發明第三實施方式供 之投影機10b。所述投影機1〇b與第一實施方式提供之投 影機10基本相同，不同點在於，勞光元件之形狀為 扇形，三個色段依次均勻分佈在所述螢光元件3〇〇b上， 09713·993产早编號 A〇101 第 10 頁 / 共 22 頁 1013299770-0 1380121 101年.08月〇y日按正替換頁 所述螢光元件30 Ob繞其圓心02以往返擺動之方式移動使 所述第一路光線L13與所述第二路光線L23之光線進入所 述螢光元件300b之三個色段中之一個色段。該方式係利 用電磁元件900來實現，具體地，在所述螢光元件300b之 兩個邊上均設置有一磁性元件310，並且在所述螢光元件 300b之附近與所述磁性元件310相對應設置有兩個電磁元 件900,若使其中一電磁元件900通電，則該電磁元件 900與其臨近之磁性元件310相互吸引，從而使所述螢光 元件300b繞其圓心02向通電之電磁元件900之方向移動 。而所述兩個所述I：磁元件900交替通電，則可以使所述 螢光元件300b擺動，從而實現使所述第一路光線L13與所 述第二路光線L23之光線進入所述螢光元件30 Ob之三個色 段中之一個色段。其中，所述螢光元件3 00沿方向S3往返 擺動。 [0023] 可以理解，本發明之實施方式還包括上述實施方式以外 之反射鏡及螢光元件之運動方式之其他組合。 [0024] 综上所述，本發明提供之投影機，藉由使反射鏡之往返 運動頻率不低於20赫茲，從而使所述第一路光線與經過 所述反射鏡之第二路光線形成之光斑現象以不低於20赫 茲之頻率移位，模糊人眼感覺到之光斑現象，進而實現 消除光斑效應。另外，利用在光路上活動設置螢光元件 可以得到彩色光源，減少了使用之單色光源之數量，因 此實現了投影機之小型化。 [0025] 綜上所述，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 09713993#單編號 A〇101 第11頁/共22頁 1013299770-0 1380121 101年.08月07日修正替換頁 式，自不能以此限制本案之申請專利範圍第。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第内。 【圖式簡單說明】 [0026] 圖1為本發明第一實施方式提供之投影機之結構示意圖。 [0027] 圖2為圖1之投影機之螢光元件與第二馬達配合之立體示 意圖。 [0028] 圖3為本發明第二實施方式提供之投影機之結構示意圖。 « [0029] 圖4為圖3之投影機之螢光元件之立體示意圖。 [0030] 圖5為本發明第三實施方式提供之投影機之結構示意圖。 [0031] 圖6為圖5之投影機之螢光元件、電磁元件與磁性元件配 合之立體示意圖。 【主要元件符號說明】 [0032] 投影機：10、10a、10b [0033] 光源組件：100 [0034] 光源：110 [0035] 分光元件：120 [0036] 反射鏡：130、130a [0037] 擴散片：200、200a [0038] 螢光元件：300、300a、300b [0039] 磁性元件：310 單編號歷01 第12頁/共22頁 1013299770-0 1380.121 [0040] 光均勻化元件：400 [0041] 光學元件： 500 [0042] 第一馬達： 600 [0043] 轉轴：610 [0044] 第二馬達： 700 [0045] 轉子：710 [0046] 驅動件：800 [0047] 支架：810 [0048] 線圈：82 0 [0049] 彈性元件： 830 [0050] 磁石：840 [0051] 基座：850 [0052] 電磁元件： 900 09713993^^ AQ1Q1 第13頁/共22頁 10Ϊ年.08月0>日修正替換頁 1013299770-0The projector core according to the second embodiment of the present invention is substantially the same as the projector 1 提供 provided by the first embodiment of the present invention, except that the mirror 130a is the same as the projector 1A provided by the first embodiment of the present invention. Performing a reciprocating motion along the incident optical path of the second ray L22 at a constant amplitude d and at a frequency not lower than 2 Hz, and causing the second ray L22 to be reflected by the mirror 13 〇 3 - owing into one of the three color segments of the diffusion sheet 200a and the fluorescent element 3A. If the constant amplitude d is too large, it will not be ensured that the second light ray L22 is reflected by the mirror 13 〇 3 and sequentially enters the diffusion sheet 200a and the fluorescent element 3 〇〇 a. Preferably, the constant towel preparation (1 ranges from 0 mm < d < 1 mm.) The mirror 130a is along the constant amplitude d and at a frequency of not less than 2 Hz. The optical path of the second light ray L22 is implemented in a round-trip motion, and is implemented in the following manner. [0019] The projector 10a includes a driving component 800, and the driving component 8 includes ~~ a bracket 810' that matches the mirror 130a, a coil 820, an elastic member 830, a magnet 840, and a base 850. The bracket 810 is used to support the mirror 130a. In this embodiment, The elastic member 830 is a spring. The magnet 840 is fixed on the base 850, and one end of the elastic member 830 is fixed on a side of the magnet 840 facing away from the base 85, The other end of the elastic member 830 is fixed on one side of the coil 820 facing the base 850, and the coil 820 is fixed away from the side of the base 850 at one of the bracket 810 facing the base 850 On the side, the coil 820 is energized to generate a magnetic field (not shown), and the field is over A magnetic field (not shown) of the magnet 840 located directly below the coil 820 forms a magnetic pole repellent, thereby causing the coil 820 to be generated with the magnet 840 101329977=0-0 09713993# single number A〇l〇l page 9 / Total 22 pages 1380121 In August 101, the Japanese shuttle is replacing the repulsive force of the upward direction. The upward movement of the coil 820 drives the bracket 810 and the mirror 13A along the second light L22. The upward movement of the optical path 'at this time' is fixed to the elastic element 830 between the coil 820 and the magnet 840 to generate a pulling force, thereby controlling the movement accuracy of the coil 820. It can be understood that the mirror 130a is to be a constant amplitude d and reciprocating along the optical path of the second light ray L22 at a frequency of not less than 20 Hz. The coil 820 must have a certain current magnitude and current change period. The current of the coil 820 Not only is the weight of the mirror 810a and the weight of the coil 820 proportional to the weight of the bracket 810, but also proportional to the elastic force of the elastic member 830. The current change period of the current of the coil 820 By the reflection The movement frequency of the mirror 13〇3 is determined. [0020] Please refer to FIG. 4 further. In the embodiment, the fluorescent element 3〇〇a is a square plate shape, and three color segments are evenly distributed in the fluorescent element 3依次. 〇a, the fluorescent element 300a moves in a reciprocating manner to cause the light of the first light L12 and the second light L22 to enter one of the three color segments of the glare element 300a. The implementation of the method is the same as the implementation of the movement of the mirror 130a, that is, the movement of the fluorescent element 30〇a is realized by the driving member 800, and the fluorescent element 300a is in the direction. S2 round-tripping. Third Embodiment [0022] Referring to FIG. 5 and FIG. 6, a projector 10b according to a third embodiment of the present invention will be described. The projector 1B is substantially the same as the projector 10 provided in the first embodiment, except that the shape of the working element is a fan shape, and the three color segments are evenly distributed on the fluorescent element 3〇〇b in sequence. , 09713·993 Early Childhood No. A〇101 Page 10 of 22 Page 1013299770-0 1380121 101.08. The day of the month of August, the fluorescent element 30 Ob is rotated around its center 02 in a round-trip manner. Moving causes the light of the first path light L13 and the second path light L23 to enter one of the three color segments of the fluorescent element 300b. The method is implemented by using the electromagnetic component 900. Specifically, a magnetic component 310 is disposed on both sides of the fluorescent component 300b, and corresponds to the magnetic component 310 in the vicinity of the fluorescent component 300b. Two electromagnetic elements 900 are provided. If one of the electromagnetic elements 900 is energized, the electromagnetic element 900 and its adjacent magnetic element 310 attract each other, so that the fluorescent element 300b is wound around its center 02 toward the energized electromagnetic element 900. Move in direction. When the two I: magnetic elements 900 are alternately energized, the fluorescent element 300b can be swung, so that the light of the first light L13 and the second light L23 enters the firefly. One of the three color segments of the optical element 30 Ob. The fluorescent element 300 oscillates back and forth in the direction S3. It will be understood that embodiments of the present invention also include other combinations of modes of movement of mirrors and phosphor elements other than those described above. [0024] In summary, the projector provided by the present invention forms the first path light and the second path light passing through the mirror by making the reciprocating motion frequency of the mirror not lower than 20 Hz. The spot phenomenon shifts at a frequency of not less than 20 Hz, blurring the phenomenon of the spot perceived by the human eye, thereby achieving the effect of eliminating the spot. In addition, by using a fluorescent element to be placed on the optical path, a color light source can be obtained, and the number of monochromatic light sources used is reduced, thereby realizing miniaturization of the projector. [0025] In summary, the present invention has indeed met the requirements of the invention patent, and the patent application is filed according to law. However, the above is only the preferred embodiment of the present invention 09713993#single number A〇101 page 11/total 22 pages 1013299770-0 1380121 101. August 07 correction of the replacement page type, since this can not be limited The scope of the patent application in this case is the first. Equivalent modifications or variations made by persons skilled in the art in light of the spirit of the invention are intended to be included within the scope of the following claims. BRIEF DESCRIPTION OF THE DRAWINGS [0026] FIG. 1 is a schematic structural view of a projector according to a first embodiment of the present invention. 2 is a perspective view of the fluorescent element of the projector of FIG. 1 mated with a second motor. [0027] FIG. 3 is a schematic structural diagram of a projector according to a second embodiment of the present invention. « [0029] FIG. 4 is a perspective view of the fluorescent element of the projector of FIG. 3. 5 is a schematic structural diagram of a projector according to a third embodiment of the present invention. 6 is a perspective view showing the arrangement of the fluorescent element, the electromagnetic element and the magnetic element of the projector of FIG. 5. [Main component symbol description] [0032] Projector: 10, 10a, 10b [0033] Light source component: 100 [0034] Light source: 110 [0035] Spectroscopic element: 120 [0036] Mirror: 130, 130a [0037] Diffusion Sheet: 200, 200a [0038] Fluorescent elements: 300, 300a, 300b [0039] Magnetic elements: 310 Single number calendar 01 Page 12 / Total 22 pages 1013299770-0 1380.121 [0040] Light homogenizing element: 400 [0041 Optical component: 500 [0042] First motor: 600 [0043] Shaft: 610 [0044] Second motor: 700 [0045] Rotor: 710 [0046] Drive member: 800 [0047] Bracket: 810 [0048] Coil: 82 0 [0049] Elastic element: 830 [0050] Magnet: 840 [0051] Base: 850 [0052] Electromagnetic element: 900 09713993^^ AQ1Q1 Page 13 of 22 10 years. August 00> Correction replacement page 1013299770-0