TWI498661B - Integrated glass fluorescent color wheel and the manufacturing method thereof - Google Patents
Integrated glass fluorescent color wheel and the manufacturing method thereof Download PDFInfo
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- TWI498661B TWI498661B TW102140047A TW102140047A TWI498661B TW I498661 B TWI498661 B TW I498661B TW 102140047 A TW102140047 A TW 102140047A TW 102140047 A TW102140047 A TW 102140047A TW I498661 B TWI498661 B TW I498661B
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Description
本發明係關於一種用於投影機之色輪;特別是指將玻璃材質以及螢光粉以直接熔接、燒結或貼合方式結合而成之色輪者。The invention relates to a color wheel for a projector; in particular, a color wheel which combines a glass material and a phosphor powder by direct welding, sintering or bonding.
現今一般之投影機大多係採用微鏡片反射技術(Digital Micromirror Device,DMD),並採用色輪(Color Wheel)來完成對色彩之分離和處理,色輪主要係由紅、綠、藍、及另外加入的其他顏色之彩色濾光片所組合而成。在應用DMD投影系統之投影機中,投影機之光源所發出的白光藉由透鏡聚焦於色輪上,且色輪係受投影機之高速馬達驅使而轉動,藉此將光源所發出之白光進行分色,並將具有顏色之光束發射到DMD表面上,DMD再將光束反射後經過透鏡投射出投影機。Most of today's projectors use the Digital Micromirror Device (DMD) and use Color Wheel to separate and process the color. The color wheel is mainly red, green, blue, and A combination of color filters of other colors added. In a projector applying a DMD projection system, white light emitted by a light source of the projector is focused on a color wheel by a lens, and the color wheel is driven by a high speed motor of the projector to rotate, thereby performing white light emitted by the light source. The color separation is performed, and a color beam is emitted onto the surface of the DMD, and the DMD reflects the beam and projects the projector through the lens.
值得注意的是,習知之投影機之色輪係採用矽膠等高分子膠體與螢光粉混合後而製成螢光膠,其中,高分子膠體之熱穩定性差,隨著激發光源的功率增加,會造成螢光膠的劣化,例如矽膠僅可耐約150℃之溫度,及約2000流明 之亮度,當溫度高於150℃時,矽膠將會老化及黃化,造成色輪結構損壞,因此無法應用於高溫度或高流明數的光學系統。It is worth noting that the color wheel of the conventional projector is made of a polymer colloid such as silicone and a phosphor powder, and is made into a fluorescent glue. Among them, the thermal stability of the polymer colloid is poor, and as the power of the excitation light source increases, Will cause deterioration of the fluorescent glue, such as silicone can only withstand temperatures of about 150 ° C, and about 2000 lumens The brightness, when the temperature is higher than 150 ° C, the silicone will age and yellow, resulting in damage to the color wheel structure, so it can not be applied to high temperature or high lumens optical system.
有鑑於此,本發明人潛心構思並更深入研究,終於發明出一種一體成型之玻璃螢光體色輪及其製造之方法。In view of this, the inventors have conceived and further studied, and finally invented an integrally formed glass phosphor color wheel and a method of manufacturing the same.
本發明為一體成型之玻璃螢光體色輪及其製造之方法,其主要目的是提供一種能耐較高溫度之投影機之色輪,以使色輪可應用於高溫度或高流明數的光學系統,並提高色輪之使用壽命。The invention is an integrally formed glass phosphor color wheel and a manufacturing method thereof, the main purpose of which is to provide a color wheel of a projector capable of withstanding higher temperature, so that the color wheel can be applied to high temperature or high lumen optical. System and increase the life of the color wheel.
為達前述目的,本發明提供一種玻璃螢光體色輪,包括:一外環部;一內環部,與該外環部同心地設於該外環部內;以及一輪體,固設於該外環部及該內環部之間,該輪體具有至少一色塊,該色塊係由玻璃螢光體所製成,該玻璃螢光體包括一玻璃材質及散佈於該玻璃材質內之複數螢光粉。To achieve the foregoing objective, the present invention provides a glass phosphor color wheel comprising: an outer ring portion; an inner ring portion disposed concentrically with the outer ring portion in the outer ring portion; and a wheel body fixed to the Between the outer ring portion and the inner ring portion, the wheel body has at least one color block, the color block is made of a glass phosphor, and the glass phosphor comprises a glass material and a plurality of particles dispersed in the glass material. Fluorescent powder.
為達前述目的,本發明另提供一種玻璃螢光體色輪之製造方法,該方法係包含下列步驟:模具製作步驟(a):將一外環管及一內環管同心地套設,該外環管與該內環管間圍設有至少一容置空間;入料步驟(b):將一玻璃螢光體原料置入該至少一容置空間內,該玻璃螢光體原料包含玻璃材質以及複數螢光粉;以及成型步驟(c):使該玻璃螢光體原料於該至少一容置空間內形成一輪體。In order to achieve the above objective, the present invention further provides a method for manufacturing a glass phosphor color wheel, the method comprising the following steps: a mold making step (a): concentrically arranging an outer ring tube and an inner ring tube, Between the outer ring tube and the inner ring tube, at least one accommodating space is disposed; and the feeding step (b): placing a glass phosphor material into the at least one accommodating space, the glass phosphor material comprises glass a material and a plurality of phosphors; and a molding step (c): forming the glass phosphor material into a wheel body in the at least one accommodating space.
本發明利用所提供的一體成型之玻璃螢光體色輪及其製造之方法,可以獲得的功效在於:本發明係採用可耐較高溫度之玻璃螢光體做為投影機之色輪之材料,使得本發明之色輪可耐高溫,以使色輪可應用於高溫度或高流明數的光學系統,並提高色輪之使用壽命,此外,以本發明之方法所製成之玻璃螢光體色輪,其具有高良率且製作成本低之優點。The invention utilizes the provided integrally formed glass phosphor color wheel and the method for manufacturing the same, and the utility model can obtain the effect that the invention adopts the glass phosphor which can withstand higher temperature as the material of the color wheel of the projector. Therefore, the color wheel of the invention can withstand high temperature, so that the color wheel can be applied to an optical system with high temperature or high lumens, and the service life of the color wheel is improved, and further, the glass fluorescent film produced by the method of the invention is used. The body color wheel has the advantages of high yield and low manufacturing cost.
有關本發明為達成上述目的,所採用之技術、手段及其他之功效,茲舉一較佳可行實施例並配合圖式詳細說明如后。The present invention has been described in connection with the preferred embodiments of the present invention in accordance with the accompanying drawings.
20‧‧‧輪體20‧‧‧ wheel body
21‧‧‧色塊21‧‧‧ color blocks
22‧‧‧玻璃螢光體22‧‧‧ glass phosphor
221‧‧‧玻璃材質221‧‧‧ glass material
222‧‧‧螢光粉222‧‧‧Fluorescent powder
23‧‧‧區隔部23‧‧‧section
25‧‧‧玻璃螢光體原料25‧‧‧Glass Fluorescent Materials
31‧‧‧外環部31‧‧‧Outer Rings
32‧‧‧內環部32‧‧‧ Inner Ring Department
33‧‧‧外環管33‧‧‧outer ring
34‧‧‧內環管34‧‧‧ Inner ring tube
35‧‧‧容置空間35‧‧‧ accommodating space
第1圖係本發明實施例之示意圖。BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic illustration of an embodiment of the invention.
第2圖係本發明實施例之立體圖。Figure 2 is a perspective view of an embodiment of the present invention.
第3圖係本發明實施例之外環管以及內環管組裝前之示意圖。Figure 3 is a schematic view of the outer ring pipe and the inner ring pipe before assembly of the embodiment of the present invention.
第4圖係本發明實施例之玻璃螢光體原料置入容置空間內之示意圖。Fig. 4 is a schematic view showing the arrangement of the glass phosphor raw material in the embodiment of the present invention.
第5圖係本發明之玻璃螢光體原料於容置空間內加熱時之示意圖。Fig. 5 is a schematic view showing the glass phosphor raw material of the present invention heated in an accommodating space.
第6圖係本發明實施例切割以形成色輪之示意圖。Fig. 6 is a schematic view showing the cutting of the embodiment of the present invention to form a color wheel.
第7圖係本發明實施例之方塊圖。Figure 7 is a block diagram of an embodiment of the present invention.
在本發明被詳細描述之前,要注意的是在以下的說明內容中,類似的元件是以相同的編號來表示。Before the present invention is described in detail, it is noted that in the following description, similar elements are denoted by the same reference numerals.
為使 貴審查委員對本發明之目的、特徵及功效能夠有更進一步之瞭解與認識,以下茲請配合【圖式簡單說明】詳述如后:In order to enable your review committee to have a better understanding and understanding of the purpose, features and effects of the present invention, please refer to the following [Simplified Description of the Drawings] for details:
本發明玻璃螢光體色輪的較佳實施例如第1圖及第2圖所示,包含:一外環部31、一內環部32以及一輪體20,其中:該內環部32與該外環部31同心地設於該外環部31內,該外環部31及該內環部32係均為由氧化鋁之材質所製成;以及該輪體20固設於該外環部31及該內環部32之間,該輪體20具有至少一色塊21,該色塊21係由玻璃螢光體22所製成,該玻璃螢光體22包括一玻璃材質221及散佈於該玻璃材質221內之複數螢光粉222,該玻璃材質221熔接包覆各該螢光粉222,且各該螢光粉222係均勻地分佈於該玻璃材質221中,該輪體20並熔接該外環部31及該內環部32。此外,在本實施例中於該外環部31及該內環部32之間更包含有複數區隔部23,以使該輪體20大致區分為複數色塊21,各該區隔部23係為不同之螢光粉222與玻璃材質221燒結後,所形成各色塊21之約略的邊界者,各該區隔部23係為直線、不規則之線段或區塊,且該色塊21之數量可依實際使 用需求而有所不同;於此實施例中,該區隔部23之數量為三,使得各該區隔部23將該輪體區分為三色塊21,此外,各該色塊21之顏色可為相同或相異,例如為紅(R)、綠(G)或藍(B),亦可依實際需求而配置其他任何相同或相異之顏色;除此之外,該輪體20之玻璃材質221與該外環部31及該內環部32之接合處係熔接而成為一體,同理,以使該玻璃材質221、該外環部31以及該內環部32結合而提高結構之強度。除此之外,若該輪體20僅具有單一之顏色,則該區隔部23理所當然地不存在。A preferred embodiment of the glass phosphor color wheel of the present invention, as shown in FIGS. 1 and 2, includes an outer ring portion 31, an inner ring portion 32, and a wheel body 20, wherein the inner ring portion 32 and the inner ring portion 32 are The outer ring portion 31 is concentrically disposed in the outer ring portion 31. The outer ring portion 31 and the inner ring portion 32 are both made of a material of alumina; and the wheel body 20 is fixed to the outer ring portion. Between 31 and the inner ring portion 32, the wheel body 20 has at least one color block 21, the color block 21 is made of a glass phosphor 22, and the glass phosphor 22 includes a glass material 221 and is dispersed therein. a plurality of phosphor powders 222 in the glass material 221, the glass material 221 is welded to cover the phosphor powders 222, and each of the phosphor powders 222 is evenly distributed in the glass material 221, and the wheel body 20 is welded. The outer ring portion 31 and the inner ring portion 32. In addition, in the present embodiment, a plurality of partitions 23 are further included between the outer ring portion 31 and the inner ring portion 32, so that the wheel body 20 is roughly divided into a plurality of color blocks 21, and each of the partition portions 23 After the different phosphor powders 222 and the glass material 221 are sintered, the approximate boundaries of the color blocks 21 are formed, and each of the partition portions 23 is a straight line, an irregular line segment or a block, and the color block 21 is The quantity can be made according to the actual situation In the embodiment, the number of the partitions 23 is three, so that each of the partitions 23 divides the wheel body into three color blocks 21, and in addition, the color of each color block 21 It may be the same or different, for example, red (R), green (G) or blue (B), and any other identical or different colors may be configured according to actual needs; in addition, the wheel body 20 The glass material 221 is welded to the joint between the outer ring portion 31 and the inner ring portion 32, and the glass material 221, the outer ring portion 31, and the inner ring portion 32 are combined to improve the structure. strength. In addition to this, if the wheel body 20 has only a single color, the compartment portion 23 is of course not present.
以上所述為本發明實施例主要構件及其組態說明。至於本發明實施例之製造方法,請參閱第3圖至第7圖所示,其係包含下列步驟:模具製作步驟(a):請參閱第3圖所示,將一外環管33及一內環管34同心地套設,該外環管33及該內環管34係均為長筒狀,且均為氧化鋁材質,該外環管33與該內環管34間圍設有至少一容置空間35;入料步驟(b):請參閱第4圖所示,將一玻璃螢光體原料25置入該至少一容置空間35內,該玻璃螢光體原料25包含玻璃材質221以及複數螢光粉222,該玻璃材質221及該螢光粉222係均勻地分佈於該至少一容置空間35內;較佳地,該玻璃材質221係採用玻璃顆粒,如此可較易與該螢光粉222均勻混合,且在後續加熱步驟中較易受熱而熔融, 可提昇製造效率;以及成型步驟(c):請參閱第4圖配合第5圖所示,使玻璃螢光體原料於該至少一容置空間35內形成一輪體20,於此實施例中,該成型步驟(c)更包含下列二步驟:加熱步驟(c1),使該玻璃材質221熔接包覆各該螢光粉222以形成玻璃螢光體22,並熔接於該外環管33及該內環管34,更明確地說,該玻璃材質221係加熱至一預定溫度後熔融,而該螢光粉222在該預定溫度下仍未熔融,如此該玻璃材質221即可熔接包覆該螢光粉222,同時該玻璃材質221並熔接該外環管33及該內環管34。一般而言,該玻璃材質221之熔點約為650℃,而該螢光粉222之熔點係高於650℃,因此加熱時之預定溫度可採用大於650℃但小於該螢光粉222熔點之溫度。並進行一冷卻步驟(c2),使該玻璃螢光體22凝固,以使該輪體20成型並與該外環管33以及該內環部34緊固結合。其中,由於該外環管33及該內環部34係可為氧化鋁材質,或甚至可為石英材質而與該玻璃材質221具有極佳之結合,藉此提高結構之強度性,甚至可相互熔接為一體。至此即完成輪體20之製造。The above description is the main components of the embodiment of the present invention and their configuration description. As for the manufacturing method of the embodiment of the present invention, please refer to FIG. 3 to FIG. 7 , which includes the following steps: mold manufacturing step (a): Please refer to FIG. 3 , an outer ring tube 33 and a The inner ring tube 34 is concentrically sleeved, and the outer ring tube 33 and the inner ring tube 34 are both long cylindrical and are made of alumina. The outer ring tube 33 and the inner ring tube 34 are surrounded by at least a accommodating space 35; a feeding step (b): as shown in FIG. 4, a glass phosphor material 25 is placed in the at least one accommodating space 35, and the glass phosphor material 25 is made of glass. 221 and the plurality of phosphors 222, the glass material 221 and the phosphor powder 222 are evenly distributed in the at least one accommodating space 35; preferably, the glass material 221 is made of glass particles, so that the glass material 221 is relatively easy to The phosphor powder 222 is uniformly mixed and is more susceptible to heat and melting in a subsequent heating step. The manufacturing process can be improved; and the molding step (c): referring to FIG. 4, in conjunction with FIG. 5, the glass phosphor material is formed into the wheel body 20 in the at least one accommodating space 35. In this embodiment, The molding step (c) further comprises the following two steps: a heating step (c1), the glass material 221 is welded to cover each of the phosphor powders 222 to form a glass phosphor 22, and is welded to the outer ring tube 33 and the The inner ring tube 34, more specifically, the glass material 221 is heated to a predetermined temperature and then melted, and the phosphor powder 222 is still not melted at the predetermined temperature, so that the glass material 221 can be welded to coat the firefly. The light powder 222 is simultaneously fused to the outer ring tube 33 and the inner ring tube 34 by the glass material 221 . Generally, the melting point of the glass material 221 is about 650 ° C, and the melting point of the fluorescent powder 222 is higher than 650 ° C. Therefore, the predetermined temperature during heating may be greater than 650 ° C but less than the melting point of the fluorescent powder 222. . A cooling step (c2) is performed to solidify the glass phosphor 22 such that the wheel body 20 is molded and fastened to the outer ring tube 33 and the inner ring portion 34. The outer ring tube 33 and the inner ring portion 34 may be made of alumina or even quartz, and have excellent bonding with the glass material 221, thereby improving the strength of the structure, and even mutual Welding is integrated. This completes the manufacture of the wheel body 20.
除此之外,請參閱第6圖所示,可沿圖中之虛線進行一裁切步驟(d),以形成大小適當之色輪。然,若在先前步驟中已採用適當厚度之外環管33及內環管34時,則該裁切步驟(d)可省略。In addition, as shown in Fig. 6, a cutting step (d) can be performed along the broken line in the figure to form a color wheel of appropriate size. However, if the outer ring 33 and the inner ring 34 of the appropriate thickness have been employed in the previous step, the cutting step (d) may be omitted.
請復參閱第1圖所示,最後,則進行一拋光步驟(e),將經切割後之輪體20之表面平整化,使該輪體20具有較均一之厚度,藉此使該輪體20具有較佳之光學特性,可理解的是,如經裁切後之該輪體20,其表面之平整程度係於可使用之範圍內,該拋光步驟(e)亦可選擇不進行。Referring to FIG. 1 , finally, a polishing step ( e ) is performed to planarize the surface of the wheel body 20 after cutting, so that the wheel body 20 has a relatively uniform thickness, thereby making the wheel body 20 has better optical characteristics. It can be understood that, if the wheel body 20 is cut, the surface of the wheel body 20 is within a usable range, and the polishing step (e) may alternatively be omitted.
習知以矽膠等高分子膠體膠黏後製成之色輪,由於高分子膠體之熱穩定性差,例如矽膠僅可耐約150℃之溫度,及約2000流明之亮度,無法應用於高溫度或高流明數的光學系統。而本發明經由上述步驟,所製造之色輪完全無膠且較耐高溫,更詳細地說,該色輪因直接採用玻璃材質221以及螢光粉222直接成型製成而未使用膠黏,且該玻璃螢光體22之玻璃轉化溫度係高於650℃,因此可適用於高功率之投影機等光學系統,且不易變質以及劣化。It is known that the color wheel made of polymer glue such as silicone rubber is poor in thermal stability of the polymer gel. For example, silicone rubber can only withstand a temperature of about 150 ° C and a brightness of about 2000 lumens, and cannot be applied to high temperature or High lumens optical system. According to the above steps, the color wheel manufactured by the invention has no glue and is more resistant to high temperature. In more detail, the color wheel is directly formed by directly using the glass material 221 and the phosphor powder 222 without using adhesive, and Since the glass transition temperature of the glass phosphor 22 is higher than 650 ° C, it can be applied to an optical system such as a high-power projector, and is not easily deteriorated and deteriorated.
申請人特別說明的是,本發明係具有高良率之玻璃螢光體色輪。蓋因本發明係藉由一體成型方式直接製成玻璃螢光體色輪;而非採用預先成型複數玻璃螢光體色塊後,再將各玻璃螢光體色塊疊合、黏合或膠合等加工方式,多次加工後形成之玻璃螢光體色輪。因玻璃螢光體色塊在加熱及冷卻成型之過程中,易有玻璃材質及螢光粉混合不均之問題而使得成品之玻璃螢光體色塊中,有小部份為非良品,而若再將成品之複數玻璃螢光體色塊隨機加工成為玻璃螢光體色輪,則會導致玻璃螢光體色輪之良率更為降低。而以一體成 型方式直接製成之玻璃螢光體色輪者,由於僅有一次加熱及冷卻之步驟即直接完成玻璃螢光體色輪之成型,故可避免良率在玻璃螢光體色塊隨機加工成為玻璃螢光體色輪之過程中降低,因此可謂為一種良率高之玻璃螢光體色輪之成型方法。The Applicant specifically states that the present invention is a high-yield glass phosphor color wheel. According to the invention, the glass phosphor color wheel is directly formed by integral molding; instead of pre-forming a plurality of glass phosphor color blocks, the glass phosphor color blocks are superimposed, bonded or glued, and the like. Processing method, glass phosphor color wheel formed after multiple processing. Due to the problem of uneven mixing of glass material and phosphor powder during the heating and cooling molding of the glass phosphor color block, a small portion of the finished glass phosphor color block is non-good, and If the finished glass phosphor color block is randomly processed into a glass phosphor color wheel, the yield of the glass phosphor color wheel is further reduced. In one The glass phosphor color wheel directly made by the type method can directly avoid the formation of the glass phosphor color wheel by the step of heating and cooling once, so that the yield can be prevented from being randomly processed in the glass phosphor color block. The glass phosphor color wheel is reduced in the process, so it can be said to be a high-yield glass phosphor color wheel forming method.
由上述得知本發明確實符合「具有產業可利用性」、「新穎性」、「進步性」,爰依法提出發明專利申請,祈請惠予審查並早日賜准專利,實感德便。From the above, it is known that the present invention truly conforms to "industrial availability," "novelty," and "progressiveness", and submits an invention patent application in accordance with the law, praying for review and early granting of a patent, and it is truly sensible.
20‧‧‧輪體20‧‧‧ wheel body
21‧‧‧色塊21‧‧‧ color blocks
22‧‧‧玻璃螢光體22‧‧‧ glass phosphor
221‧‧‧玻璃材質221‧‧‧ glass material
222‧‧‧螢光粉222‧‧‧Fluorescent powder
23‧‧‧區隔部23‧‧‧section
31‧‧‧外環部31‧‧‧Outer Rings
32‧‧‧內環部32‧‧‧ Inner Ring Department
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CN107203088B (en) | 2016-03-18 | 2019-10-22 | 中强光电股份有限公司 | Wavelength transformational structure and projection arrangement |
CN109782516B (en) | 2017-11-15 | 2021-10-22 | 中强光电股份有限公司 | Projector and wavelength conversion element |
CN108105594B (en) * | 2018-01-31 | 2024-02-13 | 广东省半导体产业技术研究院 | Fluorescent ring structure manufacturing method and light color adjustable lighting device |
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JP2010217388A (en) * | 2009-03-16 | 2010-09-30 | Casio Computer Co Ltd | Projector |
CN102709449A (en) * | 2011-10-25 | 2012-10-03 | 深圳市光峰光电技术有限公司 | Fluorescent powder lamella, fluorescent powder color wheel, and light source using fluorescent powder lamella |
TW201319718A (en) * | 2011-11-12 | 2013-05-16 | Appotronics Corp Ltd | Color wheel, color wheel assembly method and light source using the same |
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JP2010217388A (en) * | 2009-03-16 | 2010-09-30 | Casio Computer Co Ltd | Projector |
CN102709449A (en) * | 2011-10-25 | 2012-10-03 | 深圳市光峰光电技术有限公司 | Fluorescent powder lamella, fluorescent powder color wheel, and light source using fluorescent powder lamella |
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