1353429 flOO年03月11日接正替換頁 六、發明說明： 【發明所屬之技術領域】 [0001] 本發明涉及一種環形照明裝置，尤其涉及一種採用發光 二極體作為光源之環形照明裝置。 【先前技術】 [〇〇〇2]目前市面上常見之環形照明裝置很多，相對於點光源白 熾燈與線光源螢光燈直管，環形燈管係目前使用較多之 面光源照明裝置，可避免點光源、線光源照射面積窄而 帶來之不足。1353429 flOO March 11th Replacement Page 6. Description of the Invention: [Technical Field] [0001] The present invention relates to a ring illumination device, and more particularly to an annular illumination device using a light-emitting diode as a light source. [Prior Art] [〇〇〇2] There are many ring lighting devices commonly available on the market. Compared with point light source incandescent lamps and line source fluorescent lamps, the ring lamp tube system currently uses more surface light source lighting devices. Avoid the shortage of the illumination area of the point source and the line source.
[0003] 目前之環形燈管大都係螢光燈管。然，螢光燈管具有含 汞，體積大，壽命短等缺點，且螢光燈管容易受到電壓 不穩之影響而發生閃爍之現象，是故，造成人眼睛不舒 服’具體請參閱Power Electronics and Drive Systems, 1997. Proceedings, 1997 International Conference on Volume 1, 26-29 May 1997上發表之文章The influence of voltage flicker on residential lamps。 [0004] 有鑒於此，有必要提供一種能夠解決上述缺點之環形照 明裝置" 【發明内容】 [0005] 本發明提供-環形照明裝置，其包括至少—光源與—環 形導光管，所述環形導光管具有一環形本體與至少一由 096150064 该衣形本體向外延伸之入光部，所述環形本體具有— 傳輸部與至少-出光面。所述至少—出光面構成1 結構。所述至少—光源包括至少—發光二極體，所述 表單編號A0101 帛4頁/共18頁 第4頁/共丨8頁 1003113211-0 1353429 100年03月31日梭正替换頁 少一光源與所述至少一入光部光學耦合使得所述至少一 光源發出之光進入所述環形本體並於所述光傳輸部與外 部介質之介面發生全反射，從而於所述環形本體内傳遞 ，所述至少一出光面具有微小凸起，使得所述光由所述 至少一出光面出射。 [0006] 本發明提供之環形照明裝置，其採用一環形導光管，利 用該環形導光管之高折射率之導光介質，使得光源發出 之光能夠於環形導光管内以全反射之方式進行傳遞，且 設計一環形出光面，其具有微小結構，使得所述光由該 出光面發出，實現環形照明，且光源採用固體發光之發 光二極體（Light Emitting Diode，簡稱LED)，其作 為一種綠色光源，沒有輻射污染，不僅比傳統之白熾燈 與螢光燈省電，且採用直流驅動，不會發生頻閃現象， 且具有發熱量低等優點。 【實施方式】 [0007] 下面將結合圖式對本發明作進一步詳細說明。 [0008] 請參閱圖1，為本發明第一實施例提供之環形照明裝置10 ，其包括至少一光源11與一環形導光管12，所述環形導 光管12具有一環形本體120，至少一從該環形本體120向 外延伸之入光部121。 [0009] 所述環形本體120包括一環形光傳輸部123與一環形出光 面122·所述環形出光面122位於所述環形本體120外壁 [0010] 請參閱圖2，所述環形導光管12由矽膠、樹脂、玻璃、壓 1003113211-0 096150064 表單編號A0101 第5頁/共18頁 1353429 100年03月31日修正替換頁 克力或者石英製成，其折射率於1. 4~1. 6範圍内，其折射 率大於外部空氣之折射率1. 0，所述光線於所述環形光傳 輸部123與外部介質之介面124處發生全反射。 [0011] 所述環形出光面122表面凹凸不平，由許多微小凸起構成 ，所述光於所述微小凸起處發生折射，使得所述光從所 述環形出光面122出射，實現環形照明。可以理解，所述 微小凸起之形狀不限。 [0012] 優選地，所述入光部121位於所述環形本體120之圓環切 線延伸位置。 φ [0013] 所述至少一光源11相對於所述入光部121設置，其與所述. 入光部121光學耦合，光源11發出之光由所述入光部121 進入所述光傳輸部123。 [0014] 可以理解，圖1給出之環形照明裝置10具有三個光源11， 且相鄰兩個所述光源11之距離相等，使得由所述環形出 光面122出射之光均勻。 [0015] 優選地，所述至少一光源11為封裝好之發光二極體 · (light emitting diode，簡稱LED)。當然，可以理 解，所述封裝好之發光二極體之封裝結構可係子彈型、 表貼型等，也可係其他封裝結構之側發光式發光二極體 (Side-Emitting LED)。 [0016] 優選地，所述光源11發出之光之發散角度小於或者等於 30°，其與所述入光部121之光耦合效率較好。 [0017] 優選地，所述環形照明裝置10進一步包括至少一光耦合 096150064 表單编號A0101 第6頁/共18頁 1003113211-0 1353429 100年03月31日 兀件13 ’其分別設置于所述至少—切、u與其對應之所 述入光部121之間。 • [_冑參關3，所述光Μ合元件13為-錐形結構，其具有一 較大之第一端部131與一較小之第二端部132，所述第一 端部131與所述入光部121相接合，所述第二端部132與 所述光源11相接合》 _]優選地，所述光搞合元件13為圓錐形結構，所述圓錐形 結構具有-張角 '’所述張角^為所述光耦合元件13 • 縱切面之兩個斜邊之夾角。優選地，所述小於或者等 於30"5。 圃Μ地’所述光麵合元件13可為一反射杯，其内壁為高 反射率之材質，所述光源11發出之光經過所述光耦合元 件1 3，被所述内壁反射，使得所述光之發散角度減小， 使知盡可能多之光進入所述入光部121於所述介面124發 生全反射而於所述環形傳輸部123内傳遞，進一步提高光 耦合效率。可以理解，所述光耦合元件13還可為一聚光 透鏡’同樣可減小所述光之發散角度β [0021]本發明第一實施例提供之環形照明裝置，其利用該環形 導光管12尚於空氣折射率之導光介質’使得光源丨丨發出 之光能夠於光傳輸部123内以全反射之方式進行傳遞，並 且设計一環形出光面122，其具有微小凸起，使得所述光 由該環形出光面1 2 2發出，從而實現環形照明，而且本發 明第一實施例還進一步提供一光耦合元件13，提高所述 光源11與所述導光管12之間光耗合效率。 1003113211-0 096150064 表單編號Α0101 第7頁/共18頁 1353429 100年03月31日接正替换頁 [0022] 請參閱圖4 ’為本發明第二實施例提供之環形照明裝置之 光源21與入光部221之示意圖，其與本發明第一實施例提 供之環形照明裝置1〇不同點於於，所述至少一光源21嵌 於所述入光部221内。 [0023] 優選地，所述光源21為LED發光元件，其具有一發光晶片 (Chip)211、一反射杯（Refiect〇r Cup)212與一導電 架213 »所述發光晶片211設置於所述反射杯212—底部 〇 [0024] 所述發光晶片211與反射杯212封裝與所述導光管之入光 部221内’所述導電架213部分裸露於入光部221外，可 連接到外部電路中》 [0025] 實際製作之時候’可設計所述反射杯212開口之大小及其 高度’使得所述發光晶片211發出之光之發散角度0小於 或者等於30°。 [0026] 優選地’所述環形照明裝置之製作方法可為：將所述環 形導光管與所述光源21 —體澆注成型（m〇iding)獲得。 [0027] 可以理解’所述環形照明裝置之製作方法還可為：將所 述發光晶片211與反射杯21 2封裝與一圓柱形封裝體（圖未 示）’再將所述帶有一圓柱形封裝體之光源21嵌入所述入 光部221内。 [0028] 本發明第二實施例之光源21嵌入所述導光管内，使得所 述光源31發出之光更多地進入所述導光管中進行傳遞， 提向光搞合效率。 096150064 表單編號A0101 第8頁/共18頁 1003113211-0 [0029] 1353429 i100 年03 月 請參閱圖5 ’為本發明第三實施例提供之環形照明裝置-- 環形本體220之橫截面示意圖，其與本發明第__實施例提 供之環形照明裝置1 〇之不同點於於，所述環形本體2 2 〇為 中空結構，所述光於所述介面224上發生全反射以使得其 於光傳輸部223内傳遞。 [〇〇3〇]可以理解之係，本發明第三實施例之環形照明裝置為本 發明第一實施例之一種變形實施方式，同樣可實現環形 照明。 [0031] 請參閱圖6，為本發明第四實施例提供之環形照明裝置4〇 之示意圖，其與本發明第一實施例提供之環形照明裝置 10之不同點在於’所述環形導光管上具有多個出光面 422b，所述多個出光面422b間隔地分佈於所述環形本發 之外表面。每個所述出光面422b具有許多微小凸起。 [〇〇32] 可以理解，本發明第二實施例提供之環形照明裝置40， 為本發明第一實施例提供之環形照明裝置10之一種變形 實施方式，同樣5實現環形照明。 [0033] 請參閱圖7，為本發明第五實施例提供之環形照明裝置5〇 ，其與本發明第，實施例提供之環形照明裝置10之不同 點於於，其具有至·少—紅光LED(R)511、至少一藍光 LED(B)512與呈少一綠光（G)LED513，其分別與其中一 該入光部521光學躺合，所述紅光、綠光與藍光於所述環 形導光管5 2中傳遞發生混光。 [0034] 優選地，所述紅光LED511發出之紅光波長為 590nm~700nm ’所述綠光LED513發出之綠光波長為 096150064 表單編號A0101 第9頁/共18頁 100311321卜0 1353429 100年03月31日修正替换百 500nm~570nm，所述藍光LED本發明發出之藍光波長為 420nm〜470nm。所述所述红光、綠光與藍光之光量之比 例不限，可根據實際對發光色值之需要進行設置。優選 地，.所述紅光LED、綠光LED與SLED於所述環形導光 管52上之位置分佈按照相鄰兩種LED顏色不同之形式設置 [0035] [0036] [0037] [0038] [0039] [0040] [0041] 096150064 優選地，所述至少一紅光LED(R)511、至少一藍光 LED(B)512與至少一綠光（g)LED513分別連接到—外部 電源控制裝置上，所述電源控制裝置可控制其發光之亮 度及發光時間，可實現不同顏色之光於所述導光管Η内 旋轉之裝飾照明效果。 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 式，自不能以此限制本案之申請專利範圍.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】 圖1係本發明第一實施例提供之環形照明裝置示意圖。 圖2係圖1所示之環形本體沿II-II線之剖視圖。 圖3係圖1之光源、光M合元件與人光部之示意圖。 圖4係本發明第二實施例提供之環形照明裝置之示意圖。 圖5係本發明第三實施例提供的環形照明裝置之導光管橫 截面示意圖。 表單編號A0101 第丨〇頁/共18頁 1003113211-0 13-53429 100年03月31日修正替换頁 [0042] 圖6係本發明第四實施例提供之環形照明裝置之示意圖。 [0043] 圖7係本發明第五實施例提供之環形照明裝置之示意圖。 【主要元件符號說明】 [0044] 環形照明裝置：10，40，50 [0045] 第一端部：1 3 1 [0046] 光源：1 1，21 [0047] 第二端部：132[0003] At present, most of the ring lamps are fluorescent tubes. However, the fluorescent tube has the disadvantages of containing mercury, large volume, short life, and the like, and the fluorescent tube is susceptible to flashing due to voltage instability, which causes discomfort to the eyes. For details, please refer to Power Electronics. And Drive Systems, 1997. Proceedings, 1997 International Conference on Volume 1, 26-29 May 1997, The influence of voltage flicker on residential lamps. In view of the above, it is necessary to provide a ring illumination device capable of solving the above disadvantages. [0005] The present invention provides a ring illumination device including at least a light source and a ring light guide tube. The annular light pipe has an annular body and at least one light-incident portion extending outward from the garment-shaped body of the 096150064, the annular body having a transmitting portion and at least a light-emitting surface. The at least-light-emitting surface constitutes a structure. The at least one light source comprises at least a light emitting diode, the form number A0101 帛 4 pages / a total of 18 pages 4 pages / a total of 8 pages 1003113211-0 1353429 100 years of March 31 shuttle replacement page less one light source Optically coupling with the at least one light incident portion such that light emitted by the at least one light source enters the annular body and is totally reflected by the interface between the light transmitting portion and the external medium, thereby being transmitted in the annular body The at least one light exit surface has minute protrusions such that the light is emitted by the at least one light exit surface. [0006] The present invention provides an annular illumination device that uses a circular light guide tube, and utilizes a high refractive index light guiding medium of the annular light guide tube to enable light emitted from the light source to be totally reflected in the annular light guide tube. The transmission is performed, and an annular light-emitting surface is designed, which has a minute structure, such that the light is emitted from the light-emitting surface to realize circular illumination, and the light source adopts a solid-emitting light emitting diode (LED), which is used as A green light source, without radiation pollution, not only saves electricity compared with traditional incandescent lamps and fluorescent lamps, but also uses DC drive, does not cause stroboscopic phenomenon, and has the advantages of low heat generation. [Embodiment] The present invention will be further described in detail below with reference to the drawings. 1 is a ring illumination device 10 according to a first embodiment of the present invention, which includes at least one light source 11 and an annular light guide tube 12, the annular light guide tube 12 having an annular body 120, at least A light incident portion 121 extending outward from the annular body 120. The ring body 120 includes an annular light transmitting portion 123 and an annular light emitting surface 122. The annular light emitting surface 122 is located on the outer wall of the annular body 120. [0010] Referring to FIG. 2, the annular light guide tube 12 5〜1. 6 The refractive index is 1. 4~1. 6 矽 折射率 折射率 、 31 31 31 31 折射率 折射率 折射率 折射率 折射率 折射率 折射率 折射率 折射率 折射率 折射率 折射率 折射率 折射率 折射率 折射率 折射率 折射率 折射率 折射率 折射率 折射率 折射率 折射率 折射率 折射率 折射率 折射率 折射率 折射率 折射率 折射率 折射率 折射率 折射率 折射率 折射率 折射率 折射率 折射率 折射率 折射率 折射率In the range, the refractive index is greater than the refractive index of the external air of 1.0, and the light is totally reflected at the interface 124 of the annular light transmitting portion 123 and the external medium. [0011] The surface of the annular light-emitting surface 122 is uneven, and is composed of a plurality of small protrusions, and the light is refracted at the minute protrusions, so that the light is emitted from the annular light-emitting surface 122 to realize annular illumination. It will be understood that the shape of the minute projections is not limited. [0012] Preferably, the light incident portion 121 is located at a circular tangential extension position of the annular body 120. φ [0013] The at least one light source 11 is disposed relative to the light incident portion 121, and is optically coupled to the light incident portion 121, and the light emitted from the light source 11 enters the light transmission portion by the light incident portion 121. 123. [0014] It can be understood that the ring illumination device 10 shown in FIG. 1 has three light sources 11 and the distance between two adjacent light sources 11 is equal, so that the light emitted by the annular light exit surface 122 is uniform. [0015] Preferably, the at least one light source 11 is a packaged light emitting diode (LED). Of course, it can be understood that the package structure of the packaged light-emitting diode can be a bullet type, a surface mount type, or the like, or a side-emitting type LED (Side-Emitting LED) of other package structures. [0016] Preferably, the divergence angle of the light emitted by the light source 11 is less than or equal to 30°, and the light coupling efficiency with the light incident portion 121 is better. [0017] Preferably, the ring illumination device 10 further comprises at least one optical coupling 096150064 Form No. A0101 Page 6 / Total 18 Page 1003113211-0 1353429 100 March 31 兀 13 13 ' At least—cutting, u is between the corresponding light incident portions 121. • [ 胄 关 3 3, the optical merging element 13 is a tapered structure having a larger first end 131 and a smaller second end 132, the first end 131 Engaged with the light incident portion 121, the second end portion 132 is joined to the light source 11 _] Preferably, the light engaging element 13 has a conical structure, and the conical structure has an -open angle ''The opening angle ^ is the angle between the two oblique sides of the longitudinal section of the optical coupling element 13. Preferably, said less than or equal to 30 " The light-emitting element 13 can be a reflective cup, the inner wall of which is a material of high reflectivity, and the light emitted by the light source 11 passes through the optical coupling element 13 and is reflected by the inner wall, so that The divergence angle of the light is reduced, so that as much light as possible enters the light entrance portion 121 and is totally reflected by the interface 124 to be transmitted in the annular transmission portion 123, thereby further improving the optical coupling efficiency. It can be understood that the optical coupling element 13 can also be a concentrating lens 'the same can reduce the divergence angle of the light β. [0021] The ring illumination device provided by the first embodiment of the present invention utilizes the annular light guide tube 12, the light guiding medium of the refractive index of the air is such that the light emitted by the light source can be transmitted in the light transmitting portion 123 in a total reflection manner, and an annular light emitting surface 122 is designed, which has a micro bump, so that The light is emitted from the annular light-emitting surface 1 2 2 to realize ring illumination, and the first embodiment of the present invention further provides an optical coupling element 13 for improving light-consumption between the light source 11 and the light guide tube 12. effectiveness. 1003113211-0 096150064 Form No. Α0101 Page 7 / Total 18 Page 1353429 100 March 31, 2017 Replacement Page [0022] Please refer to FIG. 4 'The light source 21 and the inlet of the ring illumination device according to the second embodiment of the present invention A schematic diagram of the light portion 221 is different from the ring illumination device 1 according to the first embodiment of the present invention. The at least one light source 21 is embedded in the light incident portion 221 . [0023] Preferably, the light source 21 is an LED light-emitting element having a light-emitting chip 211, a reflective cup 212 and a conductive frame 213. The light-emitting chip 211 is disposed on the light-emitting device. The reflective cup 212—the bottom 〇 [0024] The light-emitting chip 211 and the reflective cup 212 are encapsulated in the light-injecting portion 221 of the light-guiding tube. The conductive frame 213 is partially exposed outside the light-injecting portion 221 and can be connected to the outside. In the circuit, [0025] The size of the opening of the reflector cup 212 and its height can be designed when the actual production is made such that the divergence angle 0 of the light emitted by the light-emitting chip 211 is less than or equal to 30°. Preferably, the method for fabricating the annular illumination device can be obtained by integrally casting the annular light guide tube with the light source 21. [0027] It can be understood that the manufacturing method of the ring illumination device may further include: packaging the light-emitting chip 211 and the reflective cup 21 2 with a cylindrical package (not shown) and then having the cylindrical shape The light source 21 of the package is embedded in the light incident portion 221 . [0028] The light source 21 of the second embodiment of the present invention is embedded in the light guide tube, so that the light emitted by the light source 31 enters the light guide tube more for transmission, and the light extraction efficiency is improved. 096150064 Form No. A0101 Page 8 of 18 1003113211-0 [0029] 1353429 i100 March Please refer to FIG. 5' is a cross-sectional view of the annular body 220 of the annular illumination device provided by the third embodiment of the present invention, The annular illumination device 1 provided by the first embodiment of the present invention is different in that the annular body 2 2 is a hollow structure, and the light is totally reflected on the interface 224 to enable its light transmission. Passed in section 223. [〇〇3〇] It can be understood that the ring illumination device of the third embodiment of the present invention is a modified embodiment of the first embodiment of the present invention, and ring illumination can also be realized. 6 is a schematic diagram of a ring illumination device 4 according to a fourth embodiment of the present invention, which is different from the ring illumination device 10 provided by the first embodiment of the present invention in that the ring light guide tube There are a plurality of light-emitting surfaces 422b, and the plurality of light-emitting surfaces 422b are spaced apart from each other on the outer surface of the annular hair. Each of the light exiting faces 422b has a plurality of minute projections. [0032] It can be understood that the ring illumination device 40 according to the second embodiment of the present invention is a modified embodiment of the ring illumination device 10 according to the first embodiment of the present invention. [0033] Please refer to FIG. 7 , which is a ring illumination device 5 according to a fifth embodiment of the present invention, which is different from the ring illumination device 10 provided by the embodiment of the present invention. The light LED (R) 511, the at least one blue LED (B) 512 and the less green (G) LED 513 are respectively optically reclined with one of the light incident portions 521, wherein the red, green and blue light are The light is transmitted in the annular light guide tube 52 to cause mixing. [0034] Preferably, the red LED 511 emits a red light having a wavelength of 590 nm to 700 nm. The green light emitted by the green LED 513 has a wavelength of 096150064. Form No. A0101 Page 9/18 pages 100311321 Bu 0 1353429 100 years 03 On the 31st of the month, the correction is replaced by 100 nm to 570 nm, and the blue LED emits a blue light having a wavelength of 420 nm to 470 nm. The ratio of the amount of light of the red, green, and blue light is not limited, and may be set according to actual needs of the illuminating color value. Preferably, the position distribution of the red LED, the green LED and the SLED on the annular light guide tube 52 is set according to different colors of adjacent two LEDs [0035] [0038] [0040] Preferably, the at least one red LED (R) 511, the at least one blue LED (B) 512 and the at least one green (g) LED 513 are respectively connected to an external power control device. In the above, the power control device can control the brightness and the illuminating time of the illuminating light, and can realize the decorative lighting effect of the light of different colors rotating in the light guiding tube. 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 description is only a preferred embodiment of the present invention, and the scope of the patent application is not limited thereto. Any equivalent modifications or variations made by those skilled in the art to the spirit of the present invention should be covered. It is within the scope of the following patent application. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view of a ring-shaped illumination device according to a first embodiment of the present invention. Figure 2 is a cross-sectional view of the annular body shown in Figure 1 taken along line II-II. 3 is a schematic view of the light source, the optical M-component, and the human light portion of FIG. 1. 4 is a schematic view of a ring illumination device according to a second embodiment of the present invention. Fig. 5 is a cross-sectional view showing a light guide tube of a ring-shaped illumination device according to a third embodiment of the present invention. Form No. A0101 Page/Total 18 Page 1003113211-0 13-53429 Correction Replacement Page of March 31, 100 [0042] FIG. 6 is a schematic diagram of a ring illumination device according to a fourth embodiment of the present invention. 7 is a schematic diagram of a ring illumination device according to a fifth embodiment of the present invention. [Main component symbol description] [0044] Ring illumination device: 10, 40, 50 [0045] First end: 1 3 1 [0046] Light source: 1, 1, 21 [0047] Second end: 132
[0048] 環形導光管：12，52 [0049] 光傳輸部：123，323 [0050] 環形本體：120，320 [0051] 出光面：122，322，422b [0052] 入光部：121，221 [0053] 發光晶片：211[0048] Ring light guide tube: 12, 52 [0049] Light transmission portion: 123, 323 [0050] Ring body: 120, 320 [0051] Light exit surface: 122, 322, 422b [0052] Light entrance portion: 121, 221 [0053] luminescent wafer: 211
[0054] 介面：124，324 [0055] 反射杯：212 [0056] 光耦合元件：13 [0057] 導電架：213 [0058] 紅光LED: 511 [0059] 藍光LED :512 [0060] 綠光LED : 513 096150064 表單編號A0101 第11頁/共18頁 1003113211-0Interface: 124, 324 [0055] Reflective cup: 212 [0056] Optical coupling element: 13 [0057] Conductive frame: 213 [0058] Red LED: 511 [0059] Blue LED: 512 [0060] Green light LED : 513 096150064 Form No. A0101 Page 11 / Total 18 Page 1003113211-0