201007329 九、發明說明： 【發明所屬之技術領域】 本發明涉及投影技術，特別涉及一種色輪及使用該色輪 的數位光處理投影機。 【先前技術】 請參閱圖 —^ ^ ^ ^ 7U X ^ 沿該光源12的光路設置的紫外濾光片i 4、聚光透鏡i 6及色 ❹輪18。δ亥色輪18包括馬達181、固定於該馬達181的轉轴 182上的載體183、藉由黏膠184接著於該載體183上的滤 光片186及固定於該濾光片186上的蓋片188。 該蓋片188用於阻播光線，特別係外界雜散的紫外光 線’直接投射在該轉184上。然而，為使該遽光片186保 留足夠的濾光區，該蓋片188的尺寸一般遠小於該滤光片 186’導致仍有少量紫外光線可藉由在_光片娜内多次 折射投射到該黏膠184上，劣化該黏膠184的接著品質，從 參而造成該濾光片1S6脫落。 【發明内容】 ▲ j馨於&彳必要提供—種防止黏膠劣化的色輪及具有 該色輪的數位光處理投影機。 八 一種色輪，其包括一個具有一 於該轉子的載體以及一個藉由黏膠轉接子著的於:達载= 片。^慮光片包括-個基體、複數位於基體上的第= 以及-個第二膜層組。該第一膜層組包括一個五氧化二、曰日膜且 層以及一個二氧化鄉該第二臈層組包括-個具;設： 6 201007329 厚度的五氧化三鈦膜層以及一個二氧化矽膜層。該第二膜層 組與該第一膜層組相鄰。 ' 一種數位光處理投影機，其包括一個光源、一個沿該光 * 源的光路設置的聚光透鏡、一個如上所述的色輪、一個數位 微鏡晶片以及一個投影鏡頭。 與先前技術相比，該數位光處理投影機及其色輪的濾光 片利用五氧化二鈕膜層，二氧化矽膜層以及具有設計厚度的 五氧化三鈦膜層有效吸收外界雜散的紫外光線，防止黏膠因 ®長時間被紫外光線照射而劣化，避免了濾光片脫落。 【實施方式】 下面將結合附圖，對本發明作進一步的詳細說明。 請參閱圖2,本發明提供的數位光處理投影機20包括一 個光源210、一個沿光源210的光路設置的聚光透鏡220、 一個色輪230、一個數位微鏡晶片240以及一個投影鏡頭 250 ° ^ 該光源210可以採用高壓汞燈、金屬鹵化物燈或氙氣 參 燈，用於產生白光。本實施方式採用高壓汞燈。 該聚光透鏡220用於彙聚該光源210產生的白光，以形 成白光束。 該色輪230用於分離該聚光透鏡220產生的白光束，以 產生時序色光束。該色輪230包括一個馬達231、一個載體 232、黏膠233以及一個濾光片234。該馬達231包括一個轉 子235，該馬達231用於驅動該濾光片234轉動，以利用轉 動的濾光片234分離聚光透鏡220產生的白光束。本實施方 7 201007329 式的轉子235為馬達231的轴心蓋，軸心蓋内設置有電磁元 件（圖未示），如，固定設置的線圈及附設于軸心蓋内壁上的 • 永磁體，如此，線圈通交流電時將產生旋轉磁場驅動永磁體 • 帶動軸心蓋轉動。該載體232固定於該轉子235上，該載體 232 —般採用環形金屬片，用於承載該濾光片234。該黏膠 233可採用紫外固化膠。該濾光片234藉由該黏膠233接著 於該載體232上，其一般包括多片扇形濾光片（圖未示），如， 分別用於濾取紅色光、綠色光、藍色光及透過白光的紅色扇 ®形濾光片、綠色扇形濾光片、藍色扇形濾光片及白光扇形濾 光片。 請參閱圖3，該濾光片234包括一個基體236、複數位 於該基體236上的第一膜層組237以及與該第一膜層組237 相鄰的第二膜層組238。該第一膜層組237包括一個五氧化 二钽膜層237a以及一個二氧化矽膜層237b。該第二膜層組 238包括一個設計厚度為612奈米的五氧化三鈦膜層238a _以及一個二氧化矽膜層238b。 該第二膜層組238的具體位置必須利用TFC薄膜設計軟 體或者Macleod光學薄膜設計及分析軟體測試，具體測試步 驟如下：首先，在複數第一膜層組237之間設置一個包括設 計厚度為612奈米的五氧化三鈦膜層238a以及一個二氧化 矽膜層238b的第二膜層組238 ;接著，利用TFC薄膜設計 軟體或者Macleod光學薄膜設計及分析軟體優化來改變複數 第一膜層組237中五氧化二钽膜層237a和二氧化矽膜層 237b的厚度以及第二膜層組238中二氧化矽膜層238b的厚 201007329 度，以保證具有該第二膜層組238的濾光片的光譜與未設置 該第二膜層組238時的濾光片的光譜相當。 ' 可以理解，該第二膜層組238還可設置於該複數第一膜 • 層組237的最外側，只要滿足具有該第二膜層組238的濾光 片的光譜與未設置該第二膜層組238時的濾光片的光譜相當 即可。另外，針對外界不同波長的紫外光線，該第二膜層組 238中的五氧化三鈦膜層238a的設計厚度可以改變，只需要 滿足利用TFC薄膜設計軟體或者Macleod光學薄膜設計及分 ®析軟體測試後，具有該第二膜層組238的濾光片的光譜與未 設置該第二膜層組238時的濾光片的光譜相當即可。 組裝該色輪230時，先在該多片扇形濾光片234中形成 複數包括五氧化二钽膜層237a和二氧化矽膜層237b的第一 膜層組237 ;然後設置一個包括設計厚度為612奈米的五氧 化三鈦膜層238a以及一個二氧化矽膜層238b的第二膜層組 238 ;接著對該濾光片234進行優化設計，以保證具有該第 @二膜層組238的濾光片的光譜與未設置該第二膜層組238時 的濾光片的光譜相當；再利用黏膠233將該多片扇形濾光片 固定到載體232上；最後利用載體233與轉子235的結構配 合或接著劑（圖未示）將載體232固定於馬達231的轉子235 上，形成色輪230。 該數位微鏡晶片240用於依據外部輸入的晝面訊號調製 色輪230產生的時序色光，以產生投影晝面。 該投影鏡頭250用於放大數位微鏡晶片240產生的投影 晝面，並將放大的投影畫面顯示於投影螢幕260上。 201007329 請參閱圖4,為該數位光處理投影機20的色輪230對外 界雜散紫外光線穿透率的曲線圖，請結合圖3,該濾光片234 ' 從該基體236的一侧開始包括一個五氧化二钽膜層237a及 ‘ 一個二氧化矽膜層237b以形成一個第一膜層組237,如此在 該基體236上堆疊出23個第一膜層組237,且在最後一個第 一膜層組237之後以一個五氧化二鈕膜層237a結束。其中， 在第一個第一膜層組237與第二個第一膜層組237之間設置 有一個第二膜層組238。具體的層數、各層材料名稱以及各 @層材料的厚度請參看表1。 表1 層數 材料 材料厚度 (奈米） 層數 材料 材料厚度 (奈米） 1 五氧化二钽 24.06 25 五氧化二鈕 88.2 2 二氧化矽 48.41 26 二氧化矽 62.97 3 五氧化三鈥 612 27 五氧化二组 67.5 4 二氧化矽 57.1 28 二氧化矽 74.4 5 五氧化二钽 49.13 29 五氧化二鈕 66.91 6 二氧化矽 82.07 30 二氧化矽 75.88 7 五氧化二钽 48.93 21 五氧化二组 70.71 8 二氧化矽 84.33 32 二氧化矽 80.15 9 五氧化二组 37.03 33 五氧化二组 65.44 10 二氧化矽 68.29 34 二氧化矽 78.18 11 五氧化二钽 35.3 35 五氧化二钽 64.75 12 二氧化矽 87.77 36 二氧化矽 79.88 13 五氧化二组 39.67 37 五氧化二钽 62.4 14 二氧化矽 88.53 38 二氧化石夕 88.65 15 五氧化二钽 39.43 39 五氧化二鈕 63.53 16 二氧化矽 87.26 40 二氧化矽 77.59 17 五氧化二组 45.13 41 五氧化二鈕 54.53 18 二氧化矽 73.75 42 二氧化矽 105.44 19 五氧化二钽 39.54 43 五氧化二鈕 42.2 10 201007329201007329 IX. Description of the Invention: [Technical Field] The present invention relates to projection technology, and more particularly to a color wheel and a digital light processing projector using the color wheel. [Prior Art] Please refer to the figure - ^ ^ ^ ^ 7U X ^ The ultraviolet filter i 4 , the collecting lens i 6 and the color wheel 18 disposed along the optical path of the light source 12. The δ-color wheel 18 includes a motor 181, a carrier 183 fixed to the rotating shaft 182 of the motor 181, a filter 186 attached to the carrier 183 by the adhesive 184, and a cover fixed to the filter 186. Slice 188. The cover sheet 188 is used to block light, particularly externally stray ultraviolet light rays, directly projecting on the turn 184. However, in order to leave the filter sheet 186 with sufficient filter area, the size of the cover sheet 188 is generally much smaller than that of the filter 186', so that a small amount of ultraviolet light can still be projected by multiple refractions in the ray sheet. Upon the adhesive 184, the subsequent quality of the adhesive 184 is deteriorated, and the filter 1S6 is detached from the reference. SUMMARY OF THE INVENTION ▲ j Xin & 彳 necessary to provide a color wheel to prevent the deterioration of the adhesive and a digital light processing projector having the color wheel. Eight color wheel comprising a carrier having a rotor and a transfer by means of a glue transfer. The light-receiving sheet includes a substrate, a plurality of the first and a second film layer on the substrate. The first film layer group comprises a pentoxide oxide layer, a bismuth film and a layer, and a second bismuth layer group comprises: a device; and: 6 201007329 a thickness of the pentoxide pentoxide layer and a cerium oxide layer Membrane layer. The second film layer layer is adjacent to the first film layer group. A digital light processing projector comprising a light source, a collecting lens disposed along an optical path of the light source, a color wheel as described above, a digital micromirror wafer, and a projection lens. Compared with the prior art, the digital light processing projector and the color wheel filter thereof utilize the pentoxide layer, the cerium oxide film layer and the designed thickness of the pentoxide layer to effectively absorb external spurs. Ultraviolet light prevents the adhesive from deteriorating due to prolonged exposure to UV light, preventing the filter from falling out. [Embodiment] Hereinafter, the present invention will be further described in detail with reference to the accompanying drawings. Referring to FIG. 2, the digital light processing projector 20 provided by the present invention comprises a light source 210, a collecting lens 220 disposed along the optical path of the light source 210, a color wheel 230, a digital micromirror wafer 240, and a projection lens 250°. ^ The light source 210 can be a high pressure mercury lamp, a metal halide lamp or a xenon gas lamp for generating white light. This embodiment uses a high pressure mercury lamp. The collecting lens 220 is for collecting white light generated by the light source 210 to form a white light beam. The color wheel 230 is for separating the white light beam generated by the collecting lens 220 to generate a time-series color light beam. The color wheel 230 includes a motor 231, a carrier 232, an adhesive 233, and a filter 234. The motor 231 includes a rotor 235 for driving the filter 234 to rotate to separate the white light beam generated by the collecting lens 220 by the rotating filter 234. The rotor 235 of the embodiment 7 201007329 is a shaft cover of the motor 231, and an electromagnetic element (not shown) is disposed in the shaft cover, for example, a fixed coil and a permanent magnet attached to the inner wall of the shaft cover. In this way, when the coil is connected to the alternating current, a rotating magnetic field is generated to drive the permanent magnets; and the shaft cover is rotated. The carrier 232 is attached to the rotor 235, which generally employs an annular metal sheet for carrying the filter 234. The adhesive 233 can be an ultraviolet curable adhesive. The filter 234 is then attached to the carrier 232 by the adhesive 233, which generally includes a plurality of fan-shaped filters (not shown), for example, for filtering red light, green light, blue light, and through White red red fan-shaped filter, green fan-shaped filter, blue fan-shaped filter, and white-light fan filter. Referring to FIG. 3, the filter 234 includes a substrate 236, a first film layer group 237 on the substrate 236, and a second film layer group 238 adjacent to the first film layer group 237. The first film layer group 237 includes a ruthenium pentoxide film layer 237a and a ruthenium dioxide film layer 237b. The second film layer set 238 includes a gallium pentoxide film layer 238a _ having a design thickness of 612 nm and a ruthenium dioxide film layer 238b. The specific position of the second film layer group 238 must be tested by the TFC film design software or the Macleod optical film design and analysis software. The specific test steps are as follows: First, a set thickness 612 is set between the plurality of first film layer groups 237. a nano-titanium pentoxide film layer 238a and a second film layer group 238 of a ruthenium dioxide film layer 238b; then, the first layer of the first film layer is changed by using TFC film design software or Macleod optical film design and analysis software optimization The thickness of the ruthenium pentoxide film layer 237a and the ruthenium dioxide film layer 237b in 237 and the thickness of the ruthenium dioxide film layer 238b in the second film layer group 238 are 201007329 degrees to ensure the filter having the second film layer group 238. The spectrum of the sheet is comparable to the spectrum of the filter when the second layer set 238 is not provided. It can be understood that the second film layer group 238 can also be disposed at the outermost side of the plurality of first film layer groups 237 as long as the spectrum of the filter having the second film layer group 238 is satisfied and the second is not set. The spectrum of the filter at the time of the film group 238 is comparable. In addition, for the ultraviolet light of different wavelengths in the outside world, the design thickness of the pentoxide pentoxide layer 238a in the second film layer group 238 can be changed, and only needs to satisfy the TFC film design software or the Macleod optical film design and the software. After the test, the spectrum of the filter having the second film layer group 238 may be equivalent to the spectrum of the filter when the second film layer group 238 is not provided. When the color wheel 230 is assembled, a plurality of first film layer groups 237 including a ruthenium pentoxide film layer 237a and a ruthenium dioxide film layer 237b are formed in the plurality of fan-shaped filters 234; and then a design thickness of a 612 nm trititanium pentoxide film layer 238a and a second film layer group 238 of a ruthenium dioxide film layer 238b; the filter 234 is then optimally designed to ensure the presence of the @@膜层层238 The spectrum of the filter is equivalent to the spectrum of the filter when the second film layer group 238 is not disposed; the plurality of fan-shaped filters are fixed to the carrier 232 by the adhesive 233; finally, the carrier 233 and the rotor 235 are utilized. The structural fit or adhesive (not shown) secures the carrier 232 to the rotor 235 of the motor 231 to form the color wheel 230. The digital micromirror wafer 240 is configured to modulate the time-series color light generated by the color wheel 230 according to the externally input kneading signal to generate a projection plane. The projection lens 250 is for enlarging the projection surface generated by the digital micromirror wafer 240, and displaying the enlarged projection image on the projection screen 260. 201007329 Please refer to FIG. 4 , which is a graph of the transmittance of the color wheel 230 of the digital light processing projector 20 to the external stray ultraviolet light. Referring to FIG. 3 , the filter 234 ′ starts from one side of the substrate 236 . A ruthenium pentoxide film layer 237a and a ruthenium dioxide film layer 237b are included to form a first film layer group 237, such that 23 first film layer groups 237 are stacked on the substrate 236, and in the last A film layer group 237 is then terminated with a layer of pentoxide oxide film 237a. Therein, a second film layer group 238 is disposed between the first first film layer group 237 and the second first film layer group 237. See Table 1 for the specific number of layers, the name of each layer of material, and the thickness of each @层材料. Table 1 Layer material material thickness (nano) Layer material material thickness (nano) 1 pentoxide ruthenium 24.06 25 pentoxide oxide button 88.2 2 ruthenium dioxide 48.41 26 ruthenium dioxide 62.97 3 pentoxide 612 27 Oxidized two groups 67.5 4 cerium oxide 57.1 28 cerium oxide 74.4 5 pentoxide bismuth 49.13 29 pentoxide oxidized button 66.91 6 cerium oxide 82.07 30 cerium oxide 75.88 7 pentoxide bismuth 48.93 21 pentoxide group 70.71 8 Cerium oxide 84.33 32 Germanium dioxide 80.15 9 Five oxidation group 37.03 33 Five oxidation group 65.44 10 Cerium oxide 68.29 34 Germanium dioxide 78.18 11 Antimony pentoxide 35.3 35 Antimony pentoxide 64.75 12 Cerium oxide 87.77 36 Dioxide矽79.88 13 pentoxide group 39.67 37 pentoxide ruthenium 62.4 14 ruthenium dioxide 88.53 38 sulphur dioxide eve 88.65 15 bismuth pentoxide 39.43 39 pentoxide ruthenium 63.53 16 ruthenium oxide 87.26 40 ruthenium oxide 77.59 17 Two groups 45.13 41 five oxidation two button 54.53 18 cerium oxide 73.75 42 cerium oxide 105.44 19 pentoxide bismuth 39.54 43 five oxidized two button 42.2 10 201007329
從圖4中可以看出’具有上述淚光片⑽的色輪23〇對 波長在通奈米以下的紫外光線有明顯的吸收效應。因此該 數位光處理投影機20在使科，外界雜散的紫外光線不會 ❹穿透㈣光片234而投射至該黏膠233上而導致黏膠因長時 間被紫外光線照射產生劣化，從而避免了該滤光片⑽脫落。 該數位光處理投影機2〇及其色輪23〇的滤光片234利 2五氧化二鈕膜層，二氧化矽膜層以及一個設計厚度為612 奈米的五氧化三鈦膜層有效吸收外界雜散的紫外光線，防止 黏膠因長時間被紫外光線照射而劣化，避免了滤光片W脫 落。 綜上所述，本發明確已符合發明專利要件，爰依法提出 j申叫准，以上所述者僅為本發明之較佳實施方式，舉 凡熟悉本案技藝之人士，於援依本案發明精神所作之等效修 飾或變化，皆應包含於以下之申請專利範圍内。 【圖式簡單說明】 圖1為先前數位光處理投影機的示意圖。 圖2為本發明的數位光處理投影機的示意圖。 圖3為圖2中的數位光處理投影機的濾光片的示意圖。 圖4為使用圖2中數位光處理投影機的色輪對外界雜散 11 201007329 紫外光線穿透率的曲線圖。 【主要元件符號說明】As can be seen from Fig. 4, the color wheel 23 having the above-mentioned tear sheet (10) has a significant absorption effect on ultraviolet light having a wavelength below ten nm. Therefore, the digital light processing projector 20 causes the externally spurted ultraviolet light to not penetrate the (four) light sheet 234 and is projected onto the adhesive 233, thereby causing the adhesive to be deteriorated by ultraviolet light for a long time, thereby This filter (10) is prevented from coming off. The digital light processing projector 2〇 and its color wheel 23〇 filter 234 have a pentoxide layer, a ruthenium dioxide film layer and a 612 nm thick pentoxide layer. The externally spurred ultraviolet light prevents the adhesive from deteriorating due to exposure to ultraviolet light for a long time, and prevents the filter W from falling off. In summary, the present invention has indeed met the requirements of the invention patent, and the above is only a preferred embodiment of the present invention. Those who are familiar with the skill of the present invention are assisted by the invention in the spirit of the invention. Equivalent modifications or variations are intended to be included in the scope of the following claims. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic diagram of a prior digital light processing projector. 2 is a schematic diagram of a digital light processing projector of the present invention. 3 is a schematic diagram of a filter of the digital light processing projector of FIG. 2. 4 is a graph showing the ultraviolet light transmittance of the color wheel of the projector using the digital light processing of FIG. 2 to the external spurs 11 201007329. [Main component symbol description]
數位光處理投影機 20 光源 210 聚光透鏡 220 色輪 230 馬達 231 載體 232 黏膠 233 濾光片 234 轉子 235 數位微鏡晶片 240 投影鏡頭 250 投影螢幕 260 第一膜層組 237 五氧化二钽膜層 237a 二氧化矽膜層 237b、 238b第二膜層組 238 五氧化三鈦膜層 238a 基體 236Digital Light Processing Projector 20 Light Source 210 Condenser Lens 220 Color Wheel 230 Motor 231 Carrier 232 Adhesive 233 Filter 234 Rotor 235 Digital Micromirror Wafer 240 Projection Lens 250 Projection Screen 260 First Membrane Group 237 Bismuth Oxide Film Layer 237a cerium oxide film layer 237b, 238b second film layer group 238 pentoxide pentoxide film layer 238a substrate 236
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