M375190 五、新型說明： 【新型所屬之技術領域】 本創作係有關於一種下照燈具的擴光片結構，其係藉由 一層或多層的擴光片組合，使能消除燈具的眩光現象，以及能 避免光線衰退，節約能源。 【先前技術】 查，習知設置有燈罩10的燈具，都設置有反射罩丨丨，例 如：嵌燈、筒狀燈等下照型光源，使光源所發出的光線經由反 射罩11的反射而向外投射，以增加光線的投射強度。有的燈 罩10未設置擴散片，使光源12所發出的光線直接向外投射， 此為裸光狀態，如圖一所示^裸光會造成照度不均，以集會產 生眩光，讓人們的視覺容易發生疲勞，嚴重的會傷害眼睛的健 康。 為了消除眩光，可在燈罩1〇上設置有擴光片13〇常見的 擴光片13係為喷砂玻璃膜片。光源12所發出的光線，以及由 反射罩11反射的光線，係穿透該喷砂玻璃膜片的擴光片13 後’投射出燈罩10外。該喷砂玻璃膜片的擴光片13雖然可有 效地消除眩光’但同時也會使光線衰退，造成照度減弱的問題。 【新型内容】 本創作的主要目的，在提供一種下照燈具的擴光片結 3 M375190 構，其可消除眩光，而能避免使用者的眼睛因眩光而疲勞。 本創作的再一目的，在提供一種下照燈具的擴光片結 構，其不會阻擋燈光射出，而能保持燈光的照度，達到節約能 源的目的。 本創作所提供的下照燈具的擴光片結構，係設置在該下 照燈具的燈罩的光線射出口處，並封閉該光線射出口。該擴光 片係為以透光材料所製成的片狀型態，其内、外兩面中至少有 一面設置有若干均勻分布的凸出狀紋路。該各紋路的凸出高度 係以同高度為較佳。 本創作所提供的下照燈具的擴光片結構，其中，該擴光 片上的紋路的凸起高度係介於l〇em〜500^^之間，而光線在 穿過該擴光片時’會產生漫射作用，而消除眩光。 本創作所提供的下照燈具的擴光片結構，其中，該擴光 片内係含有微小顆粒狀的高份子材料，該高分子材料的折射率 係與該擴光片本體物質的折射率不同，以增加漫射作用。 本創作所提供的下照燈具的擴光片結構，其中，該擴光 片同一端面上的各凸出紋路之間的凸出高度亦可為不同高 度，但其高度差以小於各紋路中最大突出高度的3〇%為較適宜。 【實施方式】 創作人有鑒於燈罩上所設置的習用喷砂玻璃擴光片，合 使光線衰退，造成照度減弱的問題，而研創出一種能消除眩 4 M375190 光，又不會使燈光照度衰減的擴^，以保護眼睛，節省能源。 兹配合圖面’詳述本創作的構造特徵與使用功效。 凊參賴二、圖四。摘作所揭露之下紐具的擴光片 結構’該擴光係設置在該下照燈具的料2G的光線射出 口 23處，並封閉該光線射出口 23。該燈罩2〇内係設置有反 • 鮮21 ’使燈罩20⑽光源22職射出的光線，部份係直 接肖外投射外，部分雜由反射罩21的反雖，在向外投射。 • #中，所有的光線係穿透該擴光片30，而向外做擴散照射。 其中’光源不’螢紐，可用LED，鹵素燈或其他發光體。 所萌的下紐具，可為筒燈，桌燈，T_Bar燈具，立燈，炭燈 等’所謂筒燈為包含-半弧形反射罩及發光體之燈具組，桌燈 為放置於桌上之各_燈具，T—Bar燈具為—般辦公室常用之 方型吸頂燈馳，其發光源多為T5、T8燈管，讀為站立於 地面上之燈具，炭燈為天花板，牆壁崁入之燈具組。 •本創作之擴光片結構係包含設置有一擴光片3〇，該擴光 ； #係具姐紐。簡光PG⑽含有均自分布的微小顆粒 狀的高份子材料39，該高分子材料39的折射率係與該擴光片 30本體物質的折射率不同。該擴光片30的内、外兩面中至少 有一面設置有若干均勻分布的凸出狀紋路31。該各紋路31的 凸出高度係以同高度為較佳。該高分子材料39可為ps、pC、 PET PMM等’其係以直徑幾微米到一、二百微米顆粒均句推 入擴光片30的本體内。該高分子材料39的折射率係不同於擴 5 光片30本體物質的折射率， 產生漫射效果。 以提高光線穿過該擴光片 30時所 〜^01的凸起高度係介於 之間。該擴光片30可用射出、埶懕、吞 m〜500 成來製作a工m 滾輪轉印等技術製 作。而加斗具上可形成突出紐路結構的部份 機械加工CNC製成，使藉由該模具製作而成的擴光片3〇糸= :成均句分布的凸出狀紋路31，並使用不易看出 ： 31而影響視覺。該擴光片3G同—端面上的各凸出紋路 間的凸出高度亦可為不同高度，但其高度差以小於各紋路^ 中最大突出高度的30%為適宜。 圖四中所揭示的擴光片30的紋路3卜係為若干的同心 圓。圖五為圖四中擴光片31的剖面放大圖。該擴光片3〇上的 紋路31係為鋸齒狀。該擴光片3〇上的鋸齒狀紋路3ι中，位 於中央部位紋路31的截面形狀為等腰三角形311 位於外圍 部位的紋路31的截面形狀為直角三角形312，且該直角三角 形312的斜邊係朝向擴光片30的中央。該紋路31截面形狀採 直角三角形312設計，主要在藉由斜邊的面較大，使受光面積 較大，而可略為提高光線穿過擴光片後的照度。 當燈罩20内的光源所發出的光線，經過擴光片&上微 小高度與密集佈列的凸出紋路31的折射後，穿透出來的光線 係為漫射型態，已無法形成光源22的原本型態，而能消除眩 光。則人們在燈光下，感覺光線較為柔和，不刺眼，也不易感 M375190M375190 V. New Description: [New Technology Field] This creation is about the structure of a diffuser for a downlight fixture. It is a combination of one or more layers of diffusers to eliminate the glare of the fixture. It can avoid light decay and save energy. [Prior Art] It is known that the lamps provided with the lampshade 10 are provided with a reflector cover 丨丨, for example, a downlight-type light source such as a recessed lamp or a cylindrical lamp, so that the light emitted by the light source is reflected by the reflector 11 Project outward to increase the intensity of the light. Some of the lampshade 10 are not provided with a diffusion sheet, so that the light emitted by the light source 12 is directly projected outward. This is a bare state. As shown in Fig. 1, the bare light will cause uneven illumination, which will generate glare and make people's vision. It is prone to fatigue and can seriously damage the health of the eyes. In order to eliminate glare, a light-expanding sheet 13 may be provided on the lamp cover 1A, and a common light-expanding sheet 13 is a sandblasted glass film. The light emitted by the light source 12 and the light reflected by the reflector 11 are transmitted through the diffuser 13 of the sandblasted glass film and projected out of the globe 10. The diffuser 13 of the blasted glass film can effectively eliminate glare, but at the same time, the light is degraded, resulting in a problem of reduced illuminance. [New content] The main purpose of this creation is to provide a diffusing film 3 M375190 structure for downlighting lamps, which can eliminate glare and avoid fatigue of the user's eyes due to glare. A further object of the present invention is to provide a diffuser structure for a downlight luminaire that does not block the light from being emitted, but maintains the illumination of the light to save energy. The diffuser structure of the downlight fixture provided by the present invention is disposed at the light exit of the lampshade of the downlight fixture, and closes the light exit port. The light-expanding sheet is in the form of a sheet made of a light-transmitting material, and at least one of the inner and outer surfaces is provided with a plurality of uniformly distributed convex lines. The projection height of each of the lines is preferably the same height. The light-expanding sheet structure of the downlighting lamp provided by the present invention, wherein the height of the protrusion on the light-reinforcing sheet is between l〇em and 500^^, and the light passes through the light-expanding sheet. It will produce a diffuse effect and eliminate glare. The light-expanding sheet structure of the downlighting lamp provided by the present invention, wherein the light-expanding sheet contains a fine particle-shaped high-molecular material, and the refractive index of the polymer material is different from the refractive index of the bulk material of the light-expanding sheet To increase the diffuse effect. The light-expanding sheet structure of the downlighting lamp provided by the present invention, wherein the protruding height between the convex lines on the same end surface of the light-expanding sheet may be different heights, but the height difference is smaller than the largest of the respective lines It is more appropriate to have a height of 3〇%. [Embodiment] The creator has a conventional sandblasted glass diffuser set on the lampshade, which causes the light to decline, causing the problem of illuminance to be weakened, and researching and creating a light that can eliminate the glare 4 M375190 without attenuating the illuminance of the lamp. Expand to protect your eyes and save energy. The structure of the creation and the efficacy of the use are detailed in conjunction with the drawing.凊 赖 赖 2, Figure 4. The light-expanding sheet structure of the button is disclosed. The light-expanding system is disposed at the light exiting opening 23 of the material 2G of the downlighting fixture, and closes the light-emitting opening 23. The lampshade 2 is provided with a backlight 21 to make the light emitted by the light source 20 (10) from the light source 22, and some of the light is directly projected outside, and some of the reflective cover 21 is projected outward. • In #, all the light passes through the diffuser 30 and diffuses outward. Among them, the 'light source is not' fluorescent button, LED, halogen lamp or other illuminant can be used. The next button can be a downlight, a table lamp, a T_Bar lamp, a stand lamp, a charcoal lamp, etc. The so-called downlight is a lamp set containing a semi-arc reflector and an illuminator, and the table lamp is placed on the table. Each of the _ luminaires, T-Bar luminaires are commonly used in the office-style ceiling-type ceiling lights, the light source is mostly T5, T8 lamps, read as the lights standing on the ground, charcoal lights for the ceiling, the wall into the Lighting set. • The diffuser structure of the present invention comprises a light-expanding sheet 3 〇, the light-expanding; #系具姐纽. The simple light PG (10) contains a fine particle-like high molecular material 39 which is self-distributed, and the refractive index of the polymer material 39 is different from the refractive index of the bulk material of the light-developing sheet 30. At least one of the inner and outer faces of the light-expanding sheet 30 is provided with a plurality of uniformly distributed convex-like patterns 31. The projection height of each of the grooves 31 is preferably the same height. The polymer material 39 may be ps, pC, PET PMM or the like, which is introduced into the body of the light-expanding sheet 30 by a particle having a diameter of several micrometers to one or two hundred micrometers. The refractive index of the polymer material 39 is different from the refractive index of the bulk material of the light-expanding sheet 30, resulting in a diffusing effect. In order to increase the light passing through the light-emitting sheet 30, the height of the protrusion of the ^01 is between. The light-expanding sheet 30 can be manufactured by a technique such as injection, sputum, and swallowing of m to 500 rpm to produce a roller. And a part of the machining CNC which can form a prominent new road structure on the adding tool, the light-expanding piece 3 〇糸=: the convex-like pattern 31 distributed in the uniform sentence, and is difficult to use. See: 31 and affect the vision. The protruding height between the convex lines on the same end surface of the light-expanding sheet 3G may be different heights, but the height difference is preferably less than 30% of the maximum protruding height of each of the lines. The texture 3 of the light-expanding sheet 30 disclosed in Fig. 4 is a plurality of concentric circles. Figure 5 is an enlarged cross-sectional view of the light-expanding sheet 31 of Figure 4. The groove 31 on the light-reinforcing sheet 3 is zigzag. In the zigzag pattern 3 i on the light-expanding sheet 3, the cross-sectional shape of the central portion pattern 31 is an isosceles triangle 311. The cross-sectional shape of the pattern 31 at the outer portion is a right-angled triangle 312, and the oblique side of the right-angled triangle 312 is It faces the center of the light-expanding sheet 30. The cross-sectional shape of the grain 31 is designed by a right-angled triangle 312, and the surface of the groove 31 is large, so that the light-receiving area is large, and the illuminance after the light passes through the light-expanding sheet can be slightly improved. When the light emitted by the light source in the lamp cover 20 is refracted by the slight height of the light-emitting sheet & and the convex pattern 31 of the dense array, the light that is transmitted is in a diffused pattern, and the light source 22 cannot be formed. The original form can eliminate glare. Then people under the light, the light is softer, not glare, and not easy to feel M375190
覺眼睛疲勞與祕。X，雜光# 3Q為透明或透紐料製成， 且是以紋路31設計來達到消除眩光的目的，故其透光度佳， 不會使光線衰退，也不會造成照度減弱的問題。 該擴光片30上的凸出紋路31除了可為圖五所示的鑛齒 狀外’亦可為圓凸形，見圖六所示具有圓凸形紋路33的擴光 片32。見圖七所示擴光片的另一實施例，該擴光片如的上、 下兩面可皆⑨1：突出紐路35、36，亦可制齡眩光，避 免照度減弱的目的。 别述該擴光片30的形狀為圓形，也是坊間最為常見的形 狀。當燈罩20内的光源22為長型光源（圖上未示出）時，擴 光片40、50的形狀就會相對應為長型，例如：擴圓形、矩形， 見圖八、圖九。當擴光片4(3為橢圓形時，其上的紋路41亦採 橢圓形，如圖八所示的狀態。亦即，該擴光片 40上同一面的Feeling eye fatigue and secret. X, stray light #3Q is made of transparent or transparent material, and is designed to eliminate glare by the texture 31. Therefore, its light transmittance is good, it will not cause the light to decline, and it will not cause the problem of illuminance weakening. The convex pattern 31 on the light-expanding sheet 30 may be rounded or convex except for the mineral tooth shape shown in Fig. 5. See the light-expanding sheet 32 having the circular convex pattern 33 as shown in Fig. 6. As shown in another embodiment of the light-expanding sheet shown in Fig. 7, the upper and lower surfaces of the light-expanding sheet may be 91: highlighting the roads 35 and 36, and the glare may be formed to avoid illuminance. It should be noted that the shape of the light-expanding sheet 30 is circular and is the most common shape among the squares. When the light source 22 in the lamp cover 20 is a long light source (not shown), the shape of the light-expanding sheets 40, 50 is correspondingly long, for example, an enlarged circle or a rectangle, as shown in FIG. . When the light-expanding sheet 4 (3 is elliptical), the texture 41 thereon is also elliptical, as shown in Fig. 8. That is, the light-emitting sheet 40 is on the same side.
所有紋路4卜係為若干由内而外層層包圍的橢圓。當擴光片 50内側光源（圖上未示出）為長型光源，其上的紋路51亦可 採直線紋路設計’如圖九卿的狀態。脚，賴光片別上 同-面的所有紋路51，係、為若干相互平行的直線者。 Μ上所不彍光片 U、42上同一端面上的凸出紋路 4卜43的截面形狀，或為圓凸狀（例如圖六中的紋路33) 為鑛齒狀（例如圖五巾的紋路31 )，或為波浪細似的三声 (見圖十t擴光片37的紋路•在實際施作時，—創 、46可為二種以上的組合，見圖卜 7 其中包含截面形狀為三角形的紋路45與波浪形的紋路46。 圖十二所示為一種筒狀燈具50，該筒狀燈具50的擴光片 結構60係由四個擴光片61、62、63、64組合而成，見圖十三。 其中，該各擴光片6卜62、63、64可以不同的材質製成，而 各擴光片的折射率為彼此不同。該各擴光片61、62、阳、料 上的紋路的凸出形狀可為不同，圖十三的實施射，係以二種 擴光片6卜62 (或63、64)做交錯重疊而成。上述中，二片 以上擴光片6卜62、63、64所組成的擴^結構6Q，係以各 擴光片6卜62、63、64的週邊以黏著方式結合成一體。其中， 該各擴光片61、62、63、64可以藉由膠著劑膠著成一體；該 各擴光片6卜62、63、64可以熱轉方式結合成—體；該各 擴光片6卜62、63、64可以紫外線熔接方式結合成一體。 圖十四的實施例中，擴光片結構6〇，的各擴光片61，货、 63’、64,的組合型態，相較於圖十三中的擴光片結構6〇各擴 光片6卜62、63、64的疊合型態’二者僅擴光片62、犯，採^ 向性不同的疊放鶴，即可產生不_折射型態。 前述各擴光片 30、32、34、37、6卜 62、63、64、61，、 62,、防、64,内部皆包含設置有均勻分布的高分子材料的，、 以&尚光線貫穿時所產生的漫射效果。 唯以上所財，僅為本創叙触實酬，當不能以之阳 制本創作制。即大驗本_”專職_做之均等變^ M375190 及修飾’仍將不失本創作之要義所在，亦不脫離本創作之精神 和範圍，故都應視為本創作的進一步實施狀況。 综上所陳，本創作所提供的下照燈具的擴光片結構，藉 由擴光片上所没置之密集分佈的若干微小凸紋設計，使光線產 生漫射作用，而能消除眩光，使光線如何不刺眼；又，該擴光 片係以透光材料製成，使光線容易穿透，而不會有照度減弱的 情形發生，是為一理想而又實用的設計。 9 M375190 【圖式簡單說明】 圖一為習用未設置擴光片的燈具的外觀gj。 圖二為習用設置有喷砂玻璃擴光片的燈具的外觀圖。 圖二圍設置本創作擴光片的燈具的外觀圖。 圖四為圖三的局部分解圖。 圖五為圖四中擴光片的剖面放大圖。 圖/、為另一種突出紋路實施例的剖示圖。 圖七為具有雙面紋路的擴光片的剖示圖。 圖八為設置有橢圓形紋路的擴光片的示意圖。 圖九為設置有直線形紋路的擴光片的示意圖。 圖十為具有波浪形紋路的擴光片的剖面放大圖。 圖十一為據二種不同紋路的擴光片的剖示圖。 圖十二為具有四片擴光片的擴光片結構的燈具外觀圖。 圖十一為圖十二中擴光片結構的局部剖面放大圖。 θ十為圖十二中擴光片結構的另一種排列型態的結構圖。 【主要元件符號說明】 11……反射罩 13......擴光片 10......燈罩 12.光源 20 ......燈罩 21 ......反射罩 22 ......燈源 10 M375190 30... ...擴光片 31… .紋路 311. .....等腰=角形 312.... ....直角二角形 32... ...擴光片 33….· .紋路 34... ...擴光片 ^3 * * * * * .紋路 36... ...紋路 37… .擴光片 38... ...紋路 39… .向分子材料 40". ...擴光片 41…·. .紋路 ...擴光片 43..... .紋路 44... ...擴光片 45… .紋路 46..· ...紋路 50... ...筒狀燈具 60... ...擴光片結構 61… .擴光片 62... ...擴光片 63… .擴光片 64". ...擴光片 • 60，.. ....擴光片結構 61，….· ..擴光片 62，·_ ....擴光片 63,… ..擴光片 > 64，·. —擴光片 11All lines 4 are a number of ellipse surrounded by inner and outer layers. When the inner light source (not shown) of the light-expanding sheet 50 is a long light source, the grain 51 on the light-receiving sheet 50 can also be designed in a straight line pattern as shown in the figure of Jiuqing. The foot, the Laiguang film, all the lines 51 of the same plane, are a series of parallel lines. The cross-sectional shape of the convex pattern 4 on the same end surface of the enamel film U, 42 or the circular convex shape (for example, the texture 33 in FIG. 6) is a mineral tooth shape (for example, the texture of the figure 5) 31), or three sounds that are similar to the wave (see the texture of the tenth light-expanding sheet 37. • In actual application, the creation, 46 can be a combination of two or more types, see Figure 7 which contains the cross-sectional shape. A triangular pattern 45 and a wavy pattern 46. Figure 12 shows a cylindrical luminaire 50 having a combination of four light-expanding sheets 61, 62, 63, 64. For example, the light-expanding sheets 6 , 62 , 63 , and 64 may be made of different materials, and the refractive indices of the respective light-expanding sheets are different from each other. The respective light-expanding sheets 61 , 62 , and The convex shape of the texture on the material may be different, and the implementation of FIG. 13 is formed by interlacing two kinds of light-expanding sheets 6 (62, 63, 64). In the above, two or more light-expanding The expansion structure 6Q composed of the sheets 6 and 62, 63, and 64 is integrally bonded in an adhesive manner by the periphery of each of the light-expanding sheets 6 and 62, 63 and 64. The light-expanding sheets 61 are integrally formed. 62, 63, 64 can be integrally formed by a glue; the light-expanding sheets 6 , 62 , 63 , 64 can be combined into a body by heat transfer; the light-expanding sheets 6 , 62 , 63 , 64 can be welded by ultraviolet rays The method is integrated into one. In the embodiment of FIG. 14, the combination of the light-expanding sheet structure 61, the respective light-expanding sheet 61, the goods, 63', 64, is compared with the light-expanding sheet in FIG. The structure 6 〇 each of the light-expanding sheets 6 , 62 , 63 , 64 of the superimposed type 'both only the light-expanding sheet 62 , the smashing cranes with different directionality can produce a non-refracting type. Each of the light-expanding sheets 30, 32, 34, 37, 6b, 62, 63, 64, 61, 62, and 64 is internally provided with a uniformly distributed polymer material, and the light is passed through The diffuse effect produced by the time. Only the above-mentioned wealth, only for the creation of the real reward, when you can not use the Yang system to create this system. That is, the big test _ "full-time _ do the equal change ^ M375190 and modified ' still It will not lose the essence of this creation, nor does it deviate from the spirit and scope of this creation, so it should be regarded as the further implementation of this creation. In summary, the creation of this creation provides The light-expanding structure of the downlighting lamp, by means of a plurality of micro-convex designs which are not densely distributed on the light-expanding sheet, causes light to diffuse, and can eliminate glare, so that the light is not glare; The film is made of light-transmitting material, which makes the light easy to penetrate without the illuminance weakening. It is an ideal and practical design. 9 M375190 [Simple description of the figure] Figure 1 is not used for the purpose The appearance of the luminaire of the light sheet gj. Fig. 2 is an external view of a luminaire provided with a sandblasted glass diffuser. Fig. 2 is an external view of the luminaire of the present diffusing sheet. Fig. 4 is a partial exploded view of Fig. 3. . Figure 5 is an enlarged cross-sectional view of the light-expanding sheet of Figure 4. Figure / is a cross-sectional view of another example of a prominent grain. Figure 7 is a cross-sectional view of a light-expanding sheet having a double-sided grain. Figure 8 is a schematic view of a light-expanding sheet provided with an elliptical grain. Figure 9 is a schematic view of a light-expanding sheet provided with a linear pattern. Figure 10 is an enlarged cross-sectional view of a light-expanding sheet having a wavy line. Figure 11 is a cross-sectional view of a light diffuser according to two different textures. Figure 12 is an external view of a luminaire having a diffuser structure with four diffusers. Figure 11 is an enlarged partial cross-sectional view showing the structure of the light-expanding sheet of Figure 12. Θ10 is a structural diagram of another arrangement pattern of the light-expanding sheet structure in Fig. 12. [Description of main component symbols] 11... Reflector 13 ... Light-expanding sheet 10 ... Lamp cover 12. Light source 20 ... Lamp cover 21 ... Reflector 22 ...light source 10 M375190 30... ...light diffuser 31.... grain 311. ..... isosceles = angle 312..... right angled triangle 32.. . . . Light-expanding sheet 33....·. Grain 34... Light-expanding sheet ^3 * * * * * . Grain 36... Grain pattern 37... Light-emitting sheet 38... ...the grain 39....to the molecular material 40"....the light-expanding sheet 41...·.the grain...the light-expanding sheet 43.....the grain 44...the light-expanding sheet 45 .... Grains 46..·...Strokes 50...Cylinder lamps 60...Structural sheet structure 61...Expanding sheet 62...Condition sheet 63... .Expanding sheet 64"....Expanding sheet•60,......Structuring sheet structure 61,....·..Expanding sheet 62,··....Expanding sheet 63,... ..Expanding sheet> 64,·. —Expanding sheet 11