201108472 六、發明說明： 【發明所屬之技術領域】 、，本發明係關於一種發光裝置，能有效率地將LED元件產生的 光進行波長轉換，更可有效率地提取波長轉換後的光。 【先前技術】 以往已知有發光裝置，係在有凹部形成的基體之該凹部的 &面’絲有發ϋ料線或短波長之可見光的LED元件，並且利 光翻封閉構件封職LED元件而成(糊文獻D。就此 ΐϋίίίΓ —般係使用紅色勞光體、綠色螢光體及藍色螢 縣體’並由吸收該LED元件所發出的紫外線或短波長 合的各螢紐所發出的紅色光、綠色光及藍色光混 件中的螢絲濃度較低，有時 湖播I卜線綠波長之可見光未被縣體吸收而透射 轉i W且ΐ?，因為LED元件發出的紫外線或短波長之可見光 落。、長ί長之可見光的效率低落，故發光裝置的發光效率低 的紫外用發出紫外、_LEE^件時，會產生對於人體有害 體吸凡件發出的紫外線或短波長之可見光未被螢光 者增加封ριΐί曝件，考慮提高封_件中的螢光體濃度，或 增力^ °但是’提高封閉構件中㈣光體濃度或 難以時:因為螢光體發出的長波長之可見光變得 螢光體的^m 4 ’縣光裝置的發級率低落。再者，分散有 後按規定⑽脂組成物，係—次魏多個發光裝置分量 態隨時間，侧為該翻旨喊物+的縣體之分散狀 亦螢光體濃度時，即使是隨格的發光裝置， 又，因為調或照度方面產生各個發光裝置的偏差。 ，f?^PM ’若提高縣體濃度，將絲成本增加的要 201108472 因。 (先前技術文獻） (專利文獻） 專利.文獻1 :日本特開2005 —191197號公報 【發明内容】 (發明所欲解決之問題） 又，一般性螢光體係直徑10〜5〇μιη的粒子狀，但本取 特意研究後得知，在近乎全部之一般㈣光體當中 出的可見光在螢光體粒子的中心部分之透射係數很低 LED元件安裝在基體的凹部底面，且從螢光體的下方昭 ，波長之可見光(激發光)時，如_所示，f光體 ，之可見光(榮光)之強度較高處，認為係在螢光體 方’而營光體51上方的可見光之強度較低。因此 f Γί之底面安裝有LED元件之態樣的發钱置，對於^^ 發出的可見光之提取效率並不充分。 愛九體所201108472 VI. Description of the Invention: [Technical Field] The present invention relates to a light-emitting device capable of efficiently wavelength-converting light generated by an LED element, and more efficiently extracting wavelength-converted light. [Prior Art] Conventionally, there has been known a light-emitting device in which an & surface of the concave portion is formed with a strand of a visible light or a short-wavelength visible light LED element, and the light-emitting closure member seals the LED element It is made (paste D. This is the use of red mortar, green phosphor and blue fluorescing body) and is emitted by the ultraviolet light or short-wavelength fluorescent light emitted by the LED element. The concentration of the filaments in the red, green and blue light mixture is low. Sometimes the visible light of the green wavelength of the lake broadcast I is not absorbed by the county body and transmitted through the infrared wave, and the ultraviolet light emitted by the LED element or The short-wavelength visible light falls, and the long-light visible light is inefficient, so the ultraviolet light with low luminous efficiency of the light-emitting device emits ultraviolet light or _LEE^, which generates ultraviolet rays or short wavelengths which are harmful to the human body. Visible light is not added by the fluorescent person to seal the ριΐί exposure, considering increasing the concentration of the phosphor in the sealing element, or increasing the force ^ ° but 'increasing the concentration of the light body in the closed member (four) or difficult: because the fluorescent body emits long The long-term visible light becomes the phosphor of the ^m 4 ' county light device, the rate of decline is low. In addition, after dispersing, according to the provisions of (10) lipid composition, the system - the secondary Wei multiple light-emitting device component state with time, the side is When the dispersion of the county body is also the concentration of the phosphor, even if it is a illuminating device, the deviation of each illuminating device is caused by the illuminance or illumination. f?^PM 'If the county is raised In the case of the body concentration, the cost of the wire is increased by 201108472. (Prior Art Document) (Patent Document) Patent. Document 1: Japanese Patent Laid-Open Publication No. 2005-191197 (Summary of the Invention) The fluorescent system has a particle diameter of 10 to 5 〇μιη, but it has been found that the visible light in almost all of the general (four) light bodies has a low transmission coefficient in the central portion of the phosphor particles. In the bottom surface of the concave portion of the substrate, when the visible light (excitation light) of the wavelength is reflected from the lower side of the phosphor, as shown by _, the intensity of the visible light (Glory) of the f-light body is high, and it is considered to be in the phosphor. Fang' and above the camp light body 51 See the light of lower intensity. Thus the bottom surface f the mounted state Γί send money kind of an LED element, for the extraction efficiency of visible light emitted is not sufficient ^^ Love nine body is
夕’ fLED元件絲在基體之凹部底面時L卩使安F 具有-定的大小，故不適合使用透鏡等進行配光控制。發先源 本發明有赛於此問題點，主要目的在於提供 能有效率地將LED元件產生的光進行波長 担 取波長轉織触。 有效率地提 (解決問題之方式） 亦即本發明之發絲置，其齡域於包含： 頂端面開口的凹部；LED元件，安裳在該 體閉^在 其内部含錢光體’且_該LED元件 ’ 件’ 於該凹部之巾喊平行錢斜形成的面。 在此係‘相對 只要是此㈣置’因為LED元件安 的光之強度，在上下方向的螢7^所發出 3Λ、π#乂呵。並且，因為凹部係在基體 4 201108472 的頂端面開口，故能將螢光體所發出的光之中強度較高的向上光 有效率地提取到發光裝置之外。 —又，因為一般而言基體凹部的高度方向大於寬度方向，因此 藉由將LED元件安裝在凹部之側面，相較於安裝在底面時而言， 可令LED元件所發出的光之光路加長，其結果能提高LED元件所 發出的光碰撞螢光體的機率。因此，能提升LED元件所發的 波長轉換效率。 一再者’ LED元件所發出的光之波長轉換效率較高時，因為 兀件所發㈣巾就此發制發絲置外的栊少，故即使使 =出紫外線的LED元件時’對於人體有害的紫外線發射到發光 ^置外的危離較低’就連在使祕㈣色光的咖元件時，該 各色光也難以影響發光裝置的演色。 拖、^二在本發明中’因為LED元件所發出的光碰撞到螢光體的 ^^卩使將封關件巾㈣絲濃麟㈣知的^〜 度’仍能高度維持LED元件所發出的光之波長轉換效 用量，故能降健造成本。 卩貞⑼元體之使 屮本發明中’因為封閉構件的厚度對於LED元件所發 ί易㈣件的厚度，螢光體所發出的光變 付易於透射賴構件，故提升發光裝置之輸出能力。 〜 的宜i少於側面有反射鏡形成。若此，l咖件所發出 ，產生反射，再度朝向榮光以 光_機率，結科能提升㈣元件所發出 形，因為响形成有多數_ 201108472 ，，該多形具有2的倍數之頂點時(例如四邊形、六邊形、八邊形 等），適合藉由在相對的側面其中之一安裝LED元件，對側的側面 不女裝LED元件’令LED元件所發出的光當中未受螢光體吸收的 f反射再度朝向螢光體前進。再者，具有6的倍數之頂點時(例如 六邊形等）’藉由在多數側面隔1個面安元件，在獲得上述效 果之外，亦能令元件均等地分散配置，而令輝度分布的均勻性或 散熱性優異。 又，該凹部係側面與底面正交時，LED元件所發出的光當中 未受螢光體吸收的光，在安裝有LED元件之側面的相對側之侧面 產生反射，再度朝向螢光體，並反覆如此。因此，更提高LE〇元 件所發出的光碰撞到螢光體的機率，就結果而言，可提升LED元 件所發出的光之波長轉換效率。 白色光之發光裝置大致上存在有以下分別：將發出藍色光的 元件與黃色螢紐組合，並將LED元件發㈣藍色光與藉由 5亥藍色光激發之黃色螢光體所發出的黃色光混合藉而獲得白色； 以及將發出紫外線或短波長之可見光的LED元件與紅色螢光體、 綠色螢光體及藍色螢光體組合，並將藉由紫外線等激發之各螢光 體所發出的紅色光、綠色光及藍色光混合藉而獲得白色光。 本發明之發光裝置，因為LED元件所發出的光之波長轉換效When the f's FLED element wire is on the bottom surface of the concave portion of the base body, the size of the F is set to a certain size. Therefore, it is not suitable to perform light distribution control using a lens or the like. The present invention has the object of this problem, and its main object is to provide a wavelength-transfer-grain contact of light generated by an LED element with high efficiency. Efficiently mentioning (the way to solve the problem), that is, the hairline of the present invention, the age range of which includes: a concave portion having a top end opening; an LED element in which the body is closed and contains a light body inside the body' _ The LED element 'piece' is in the face of the recessed surface shouting parallel to the money. In this case, the ‘relatively, this is the (four) setting.] Because of the intensity of the light of the LED element, the firefly 7^ in the up and down direction emits 3Λ, π#乂. Further, since the concave portion is opened at the distal end surface of the base 4 201108472, the upward light having high intensity among the light emitted from the phosphor can be efficiently extracted outside the light-emitting device. - In addition, since the height direction of the base recess is generally larger than the width direction, by mounting the LED element on the side of the recess, the optical path of the light emitted by the LED element can be lengthened compared to when mounted on the bottom surface. As a result, the probability of light emitted from the LED element colliding with the phosphor can be increased. Therefore, the wavelength conversion efficiency of the LED element can be improved. Again and again, when the wavelength conversion efficiency of the light emitted by the LED element is high, since the hair of the (four) towel is less than the hairline, the LED element of the ultraviolet light is harmful to the human body. When the ultraviolet ray is emitted to the illuminating device, the danger of the illuminating device is low. Even when the esoteric (four) color light is used, the color light is hard to affect the coloring of the illuminating device. In the present invention, the light emitted by the LED element collides with the phosphor, so that the sealing member (4) is thicker (four) and can be highly maintained by the LED element. The wavelength of light is converted into an effective amount, so it can reduce the health.卩贞(9) The body of the 屮 屮 屮 屮 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为. ~ should be less than the side with a mirror formed. If this is done, the coffee is emitted, the reflection is generated, and the glory is again directed to the glory. The knot can raise the shape of the component. Because the ring is formed with a majority _ 201108472, the polymorph has a multiple of 2 vertices ( For example, a quadrangle, a hexagon, an octagon, etc., is suitable for mounting the LED element on one of the opposite sides, and the opposite side of the side is not a female LED element 'the light emitted by the LED element is not exposed to the phosphor The absorbed f reflection is again advanced toward the phosphor. Furthermore, when there is a apex of a multiple of 6 (for example, a hexagon, etc.), by providing a surface-mounting element on most sides, in addition to the above effects, the components can be evenly distributed and the luminance distribution can be made. Excellent uniformity or heat dissipation. Further, when the side surface of the concave portion is perpendicular to the bottom surface, light that is not absorbed by the phosphor among the light emitted from the LED element is reflected on the side opposite to the side surface on which the LED element is mounted, and is again directed toward the phosphor. This is the case. Therefore, the probability of the light emitted by the LE element colliding with the phosphor is further increased, and as a result, the wavelength conversion efficiency of the light emitted by the LED element can be improved. The white light emitting device generally has the following components: combining the blue light emitting element with the yellow fluorescent button, and emitting the (four) blue light to the LED element and the yellow light emitted by the yellow phosphor excited by the 5 blue light. Mixing and obtaining white; and combining an LED element emitting ultraviolet light or short-wavelength visible light with a red phosphor, a green phosphor, and a blue phosphor, and emitting each phosphor excited by ultraviolet rays or the like The combination of red light, green light and blue light is used to obtain white light. The light-emitting device of the present invention is effective in wavelength conversion of light emitted by the LED element
率優異，故適用在上述2種類型的白色光之發光裝置當中的該LED f發出f*外線或短波長之可見光，且錢紐係發出紅色光的 榮光體、發ίϋ綠色光的螢絲及發出藍色光的發光體。 (發明之效果） 依據如此構成的本發明，能獲得一種發光裝置，可有效率地 轉鼓的光進行波長雛，更对效率地提取波長轉換 後的并.。 【實施方式】 (實施發明之最佳形態） 以下翏考圖式說明本發明一實施形態。 6 201108472 本實施形態之發光裝置1，如圖1及圖2所示，包含：基體2， 具有在頂端面21開口的凹部22 ; LED元件3，安裝在凹部之側面 221 ;封閉構件4，封閉LED元件3。 以下詳述各部分。基體2具有在頂端面21開口的直方體狀凹部 22，且該凹部22正交於中心軸的剖面形狀係正方形，並且，基體2 係例如由氧化鋁或氮化鋁等高熱傳導率的絕緣材料，或利用^脂 等絕緣材料部分性被覆在鋁、銅、不鏽鋼等金屬上的材料構成。曰 基體2將後述LED元件3安裝在凹部22之侧面221，在該侧面 221形成有用於電性連接元件3的配線導體(未圖示。）。藉由此 配線導體經由在基體2内部形成的配線層(未圖示。）導出到發光裝 置1的外表面並連接到外部電路基板，將LED元件3與外部^路^ 板予以電性連接。 基體2之凹部22包含側面221及底面222的内側面，藉由施以 銀、鋁、金等金屬電鍍等而形成有高反射率的金屬薄膜，並作 反射鏡23發揮功能。 ’、 LED元件3發出紫外線或短波長之可見光，例如在2〇〇〜43〇nm ^有發射峰。此種LED元件3係例如將氮化鎵系化合物半導體在藍 貝石基板或氮化餘基板之上依序疊層11型層、發光層及p型声。其 中就本實施形態使用的LED元件3而言，適合在垂直 S ^ 件3的侧面221的方向發射大部分光。 、女哀ED兀 LED元件3將氮化鎵系化合物半導體朝向凹部22的侧面 裝在該側面221。安褒方法舉例如有使用軟蟬導塊或金屬 導塊荨(未圖示。)來覆晶封_方法，或顧打線接合安裝。通常， 因為，非水平φ絲LED元件係為瞻’故宜為在令安裝面水 的狀態下安裝後使面直立而完成基體2的方法。 封閉構件4内部分散有螢光體5，並充填在凹部22而封閉咖 封閉構件4而言，舉例如有將螢光體5分散在透光性 性優異且與LED元件3之折料差顿魏細旨等 樹脂中。 就螢光體5而言，使用紅色螢光體、綠色螢光體、藍色勞光體， 201108472 且紅色螢光體、綠色螢光體及藍色螢光體受到LED元件3所發出的 紫外線或短波長之可見光激發時，各螢光體5所發出的紅色光、綠 色光及藍色光將混合並產生白色光。 只要是此種實施形態，因為led元件3安裝在凹部22之側面 221，故LED元件3所發出的紫外線或短波長之可見光(激發光)從侧 方照射到螢光體5，如圖3所示，受激發的螢光體5所發出的較長波 長之可見光(螢光)的強度在上下方向或側方向較高。並且因為凹部 22係在基材2的頂端面21開口，可將螢光體5所發出的長波長之可 見光當中光強度較高的向上光有效率地提取到發光裝置丨之外。 另，向下方或側方向發出的長波長之可見光亦在反射鏡23產生反 射而提取到發光裝置1之外。 又，在本實施形態中，因為基體2之凹部22係在寬度方向大於 高度方向，故相較於安裝在底面222時而言，藉由將LED元件3安 裝在凹部22之側面221，可延長LED元件3所發出的紫外線或短波 長之可見光的光路，其結果能提高LED元件3所發出的紫外線或短 波長之可見光碰撞到螢光體5的機率。 再者，在本實施形態中，因為在凹部22之側面221形成有反射 鏡23，如圖4所示，LED元件3所發出的紫外線或短波長之可見光 當中未受到螢光體5吸收的光，在與安裝有]元件3之側面221對 側的側面221產生反射，再度朝向螢光體5前進，並反覆如此。因 此’ LED元件3所發出的紫外線或短波長之可見光碰撞到螢光體5 的機率上升，就結果而言，能提升LED元件3所發出的紫 波長之可見光轉換至較長波長之可見光的效率。 ” 又，在本實施形態中，因為LED元件3所發出的紫外線或短波 長之可見光轉換至較長波長之可見光的轉換效率較高，且led元 件3所發出的紫外線或短波長之可見光就此發射到發光裝置〗外情 形較少’故即使在使用發出紫外線的LED元件3，對於人^有害的 紫外線發射到發光裝置1外的危險性較低，就連使用發出紫色光的 LED元件3時，該紫色光亦難以影響到發光裝置1的演色:、 再者，在本實施形態中，因為LED元件3所發出的紫外線或短 201108472 波長之可見光碰纽5的機率較高 =娜之濃度_知祕〜丨級低濃度卩 因此’般而言封閉構件4中的$光體5濃度係i5〜j 里/左右’可將其降低到0.75〜3·3重量％左右。並且 的 =7；^光 度，亦可抑制各個發錄置^發光色 用量，因為可減少昂貴的營光體5的使 又，在本實施形態中，因為封閉構件4的厚度對於le 外線或短波長之可見光碰撞到螢光體5的機率影響較 小’故旎減少封閉構件4的厚度。並且，因為夢由 、曰 ，厚度’令榮光體5所發出的長波長之可見光易1封^^ 4，故提升發光裝釗之發光效率。又，纖體5向 底面222產生反射並從基體2的開口部提取， 2 小越能提升發級帛。 剛+4叫度越 另’本發明不限於前述實施形態。 正交於凹部22之中心轴^剖面形狀秘定於正方形， 亦可為長方形，或為四邊形以外的多邊形，例如 =凹抑具有此種形的實施形態而言，舉例如有圖5=示、，邊在开ς 二因為在圓形時不具有封閉構件4當中難上: 光有所貝獻的周邊部分，故而較佳。 ^ 只要是此種裝置，因為從多數方向令LED元件3所發 昭 卩mt4中心部的螢光體5，故能綱性的提高發光裝' 又，在該實施形態中，因為有3個LED元件3分 22! ’故從LED元件3產生的熱亦能分散放出 上昇造成的LED元件3或螢光體5之劣化。 丨助。限皿度 再者’在該實施形態中，因為6個侧面221當中，與安 元件3之側面221相對的側面221並未安裝LED元件3 /故lE1元件3 201108472 發出的光當中未受到螢光體5吸收的光可在該側面221良好的產生 反射。 另，本發明之發光裝置1並非限定在與安裝有LED元件3之側 面221相對的側面221並未安裝LED元件3之態樣，亦可如圖6所 示’亦將LED元件3安裝在與安裝有LED元件3之侧面221相對的側 面 221。 又，本發明之發光裝置1亦可如圖7所示，在基體2的上端具有 向凹部22内側伸出的伸出部24。在LED元件3起到發光裝置丨^頂 端面為止一小段距離的LED元件3正上方，雖然LED元件3發出的 紫外線等未碰撞到螢光體5的機率相對性較高，但只要有此種屋筹 狀的伸出部24 ’能在LH3元件3正上方向防止由LE：D元件3發出^ 未碰撞到螢光體5的(未轉換成長波長之可見光的)紫外線等7就此 射出到裝置1外。另’該伸出部24亦可如圖8所示，也設置在未安 裝LED元件3的凹部22之侧面上部，由製造容易度的觀點而言亦可 如圖9所示，沿著凹部22的側面上部的全周緣設置環狀的伸出部 24 ° 螢光體5亦可不是均勻地分散在封閉構件4中，亦可構 封閉構件4的中心部含有螢光體5，而發揮較似點光源的功能。 又，在封閉構件4中，含有紅色螢光體、綠色榮光體、 光體的區域亦可成為層狀’例如可從凹部22的底面222側往 向依序疊層紅色螢紐層、綠色S紐層、藍色縣體層，^ 向依序疊層有各螢光體層時，亦可如圖5所心在安裂有 綸狀)疊層 可從底面222朝向開口部擴開。只要如此令側面22^上 從安裝有LED元件3的侧面功侧往寬度方向依序疊層红 層、綠色螢光體層、藍色榮光體層。若此，因為藍色 出的藍色光或綠色螢紐膽_綠色光不易受他登光體$ 吸收，^可财能量轉換效率及藍色光或綠色光的提取效率。另， 多數LED元件3時’從側面221侧(外側)依序以環狀^ ^ 紅色螢光體層、綠色縣體層、藍色螢光體。（平輪狀)¾:層 凹部之側面奶亦可不是正m，例如， 201108472 為安裝在侧面221的LED元件3向斜上方射出光，能激發位於更高 位置的螢光體5，故受激發的螢光體5所發出的光不易被其他螢光 體5吸收，尤其當採用往前方放出之光強度為較大的螢光體5或侧 面發光為較大之LED元件3時，可提高發光效率。但是，若光的射 .出方向大幅偏離橫向而接近於向上時，則變成與普通底面安裝型 的LED發光裝置相同的狀態，失去本發明之效果。相反地，凹部 22亦可成為從底面222向開口部縮小的構造。此時，可有效利用榮 光體的後方散射，但開口部若太小，光的提取效率低落。因此， 底面222與側面221所成角度宜為45。到135。，更佳者為8〇。至1〇〇。 的範圍。 ” 在封閉構件4中的發光之均勻性優先於螢光體5所發出之光的 提取效率時，亦可提高封閉構件4中的螢光體5濃度。 反射鏡23亦可係由白色陶瓷材料層、白色樹脂層、經霧面化 的金屬薄膜等構成的具有擴散性之物，只要是此種物品，均能提 升封閉構件4中的發光均勻性。 又，亦可將LED元件3安裝在凹部22之側面221並且也安裝在 底面222就女裝在底面222的LED元件3而言，使用從led元件3 全體射出光权LED讀，可更加提高發光裝輝度，亦 月巨增加全光束。 此外，本發明不限於上述各實施形態，只要不脫離本發明的 精神，亦可將前述各種構成的部分或全部似適宜 (產業上利用性） 傅力乂 轩祕㈣之發絲置，可有財雜LED元件產生的光進 丁波長轉換，更可有效率地提取波長轉換後的光。 【圖式簡單說明】 圖1係本發明一實施形態之發光裝置的示意性縱剖面圖。 圖2係同一實施形態之發光裝置的示意性橫剖面圖。 =係顯示同-實施形態中的螢紐之發光狀㈣示意圖。 圖4係顯示同一實施形態中LED元件發出的光之部分光路的 201108472 光路說明圖。 ,f，其他實施形態之發光裝置的示意性橫剖面圖。 圖示其他實施形態之發光裝置的示意性橫剖面圖。 0糸，示其他實施形態之發光裝置的示意性縱剖面圖。 二糸顯示其他實施形態之發光裝置的示意性縱剖面圖。 •係I員示其他實施形態之發光裝置的示意性上視圖。 圖1〇係顯示習知發光裝置中的螢光體之發光狀態的示意圖。 【主要元件符號說明】 1.. 發光骏置 2…基體 3··-LED 元件 4.. .封閉構件 5.. .螢光體 51.. .螢光體 21·..頂端面 22·,.凹部 23.·.反射鏡 24···伸出部 側面 222.. .底面 12The rate is excellent, so the LED f used in the above two types of white light illuminating devices emits f* outer line or short-wavelength visible light, and the ton is a glory that emits red light, a ray that emits green light, and An illuminator that emits blue light. (Effect of the Invention) According to the present invention thus constituted, it is possible to obtain a light-emitting device which can efficiently perform the wavelength conversion of the light of the drum, and more efficiently extract the wavelength-converted. [Embodiment] (Best Mode for Carrying Out the Invention) Hereinafter, an embodiment of the present invention will be described with reference to the drawings. 6 201108472 As shown in FIGS. 1 and 2, the light-emitting device 1 of the present embodiment includes a base 2 having a recess 22 that is open at the distal end surface 21; the LED element 3 is attached to the side surface 221 of the recess; and the closing member 4 is closed. LED element 3. The various parts are detailed below. The base body 2 has a rectangular parallelepiped recess 22 that is open at the distal end surface 21, and the cross-sectional shape of the recessed portion 22 orthogonal to the central axis is a square shape, and the base body 2 is an insulating material having high thermal conductivity such as alumina or aluminum nitride. Or it is composed of a material partially coated with an insulating material such as a grease on a metal such as aluminum, copper or stainless steel.曰 The base 2 is attached to the side surface 221 of the recess 22, and a wiring conductor (not shown) for electrically connecting the element 3 is formed on the side surface 221. The wiring conductor is led out to the outer surface of the light-emitting device 1 via a wiring layer (not shown) formed inside the substrate 2, and is connected to the external circuit substrate, thereby electrically connecting the LED element 3 and the external wiring board. The concave portion 22 of the base 2 includes the inner side surfaces of the side surface 221 and the bottom surface 222, and is formed by metal plating such as silver, aluminum or gold to form a metal thin film having high reflectance, and functions as a mirror 23. The LED element 3 emits ultraviolet light or short-wavelength visible light, for example, at 2 〇〇 to 43 〇 nm ^ with an emission peak. In such an LED element 3, for example, a layer-formed layer, a light-emitting layer, and a p-type sound are sequentially laminated on a lannet substrate or a nitride substrate on a gallium nitride-based compound semiconductor. In the LED element 3 used in the present embodiment, it is suitable to emit most of the light in the direction of the side surface 221 of the vertical S^3. The LED element 3 is attached to the side surface 221 with the gallium nitride-based compound semiconductor facing the side surface of the concave portion 22. The ampoule method is, for example, a method of using a soft crucible guide block or a metal guide block (not shown) to cover the encapsulation method, or a wire bonding installation. In general, the non-horizontal φ wire LED element is a method of completing the substrate 2 by erecting the surface after mounting the surface water. The phosphor 5 is dispersed in the inside of the sealing member 4, and is filled in the concave portion 22 to close the coffee sealing member 4. For example, the phosphor 5 is dispersed in the light transmissive property and is inferior to the folding of the LED element 3. Wei fine and other resins. In the case of the phosphor 5, a red phosphor, a green phosphor, a blue polish, 201108472, and the red, green, and blue phosphors are exposed to ultraviolet rays emitted from the LED element 3. When the short-wavelength visible light is excited, the red light, the green light, and the blue light emitted by each of the phosphors 5 will be mixed to generate white light. As long as it is such an embodiment, since the LED element 3 is mounted on the side surface 221 of the concave portion 22, ultraviolet rays or short-wavelength visible light (excitation light) emitted from the LED element 3 is irradiated from the side to the phosphor 5 as shown in FIG. It is shown that the intensity of the longer wavelength visible light (fluorescence) emitted by the excited phosphor 5 is higher in the up and down direction or in the side direction. Further, since the concave portion 22 is opened at the distal end surface 21 of the substrate 2, the upward light having a high light intensity among the long-wavelength visible light emitted from the phosphor 5 can be efficiently extracted outside the light-emitting device. Further, long-wavelength visible light emitted downward or laterally is also reflected by the mirror 23 and extracted outside the light-emitting device 1. Further, in the present embodiment, since the concave portion 22 of the base 2 is larger than the height direction in the width direction, it can be extended by attaching the LED element 3 to the side surface 221 of the concave portion 22 when it is attached to the bottom surface 222. The ultraviolet light emitted from the LED element 3 or the optical path of the short-wavelength visible light can increase the probability that the ultraviolet light emitted from the LED element 3 or the short-wavelength visible light collides with the phosphor 5. Further, in the present embodiment, since the mirror 23 is formed on the side surface 221 of the concave portion 22, as shown in Fig. 4, the ultraviolet light emitted from the LED element 3 or the short-wavelength visible light is not absorbed by the phosphor 5. The reflection is made on the side surface 221 opposite to the side surface 221 on which the element 3 is mounted, and is again advanced toward the phosphor 5, and the above is repeated. Therefore, the probability that the ultraviolet light emitted from the LED element 3 or the short-wavelength visible light collides with the phosphor 5 rises, and as a result, the efficiency of converting the violet-wavelength visible light emitted from the LED element 3 to the longer-wavelength visible light can be improved. . Further, in the present embodiment, since the ultraviolet light emitted from the LED element 3 or the short-wavelength visible light is converted to visible light having a longer wavelength, the conversion efficiency is higher, and the ultraviolet light emitted by the LED element 3 or the short-wavelength visible light is emitted. In the case where the LED device 3 that emits ultraviolet rays is used, the risk that the harmful ultraviolet rays are emitted to the light-emitting device 1 is low, and even when the LED element 3 that emits purple light is used, The purple light also hardly affects the color rendering of the light-emitting device 1 . Further, in the present embodiment, the ultraviolet light emitted by the LED element 3 or the short-lived light of the 201108472 wavelength hits the light 5 is higher. The low-concentration of the 丨~丨 grade is therefore 'generally the concentration of the light body 5 in the closed member 4 is i5~j/left/right' can be reduced to about 0.75~3·3 wt%. And =7;^ The luminosity can also suppress the amount of illuminating color of each recording, because the cost of the expensive illuminating body 5 can be reduced. In the present embodiment, since the thickness of the closing member 4 collides with visible light of a short line or a short wavelength The probability of the phosphor 5 is small. Therefore, the thickness of the sealing member 4 is reduced. Moreover, since the dream, the 曰, and the thickness make the long-wavelength visible light emitted by the glare body 5 easy to be sealed, the illuminating light is improved. Further, the slimming body 5 is reflected toward the bottom surface 222 and extracted from the opening of the base body 2, and the smaller the size, the more the level is increased. The present invention is not limited to the above embodiment. Orthogonal to the central axis of the concave portion 22, the cross-sectional shape is secreted in a square shape, and may be a rectangle or a polygon other than a quadrilateral, for example, an embodiment in which the concave shape has such a shape, for example, FIG. 5 = Because it is difficult to open the closed member 4 in the circular shape: it is preferable to have a peripheral portion of the light. ^ As long as it is such a device, since the LED element 3 is emitted from most directions In the case of the phosphor 5 in the center of the mt4 of the 卩4, the illuminating device can be improved. In this embodiment, since the three LED elements are divided into 22 points, the heat generated from the LED element 3 can be dispersed. The deterioration of the LED element 3 or the phosphor 5 caused by the rise is released. In this embodiment, since the side surface 221 of the six side faces 221 opposite to the side surface 221 of the security element 3 is not provided with the LED element 3, the light emitted by the 2011E unit 3 201108472 is not subjected to fluorescence. The light absorbed by the body 5 can be well reflected on the side surface 221. Further, the light-emitting device 1 of the present invention is not limited to the side surface 221 opposite to the side surface 221 on which the LED element 3 is mounted, and the LED element 3 is not mounted. As shown in FIG. 6, the LED element 3 is also mounted on the side surface 221 opposite to the side surface 221 on which the LED element 3 is mounted. Further, the light-emitting device 1 of the present invention may have an upper end of the base 2 as shown in FIG. A projecting portion 24 that projects toward the inside of the recess 22 . The LED element 3 is directly above the LED element 3 at a small distance from the top surface of the light-emitting device, and although the probability of ultraviolet rays emitted from the LED element 3 not colliding with the phosphor 5 is relatively high, as long as there is such a The housing-like extension 24' can prevent the EL:D element 3 from being emitted in the upper direction of the LH3 element 3, and the ultraviolet rays (not converted to visible light) that have not collided with the phosphor 5, etc., are emitted to the device. 1 outside. Further, the projecting portion 24 may be provided on the upper side of the side surface of the recessed portion 22 on which the LED element 3 is not mounted, as shown in FIG. 8, and may be along the recessed portion 22 as viewed in FIG. 9 from the viewpoint of ease of manufacture. An annular projecting portion 24 is provided on the entire circumference of the upper side of the side surface. The phosphor 5 may not be uniformly dispersed in the closing member 4, and the center portion of the sealing member 4 may contain the phosphor 5, and the phosphor 5 may be used. Point light source function. Further, in the closing member 4, the region containing the red phosphor, the green glare, and the light body may be layered. For example, a red fluorescent layer, a green S may be sequentially laminated from the bottom surface 222 side of the concave portion 22 toward the side. In the case of a layer of a new layer or a layer of a blue county, when the phosphor layers are laminated in this order, the laminate may be formed in the shape of a core as shown in FIG. 5, and the laminate may be expanded from the bottom surface 222 toward the opening. As a result, the red layer, the green phosphor layer, and the blue glory layer are sequentially laminated on the side surface 22 from the side surface side on which the LED element 3 is mounted in the width direction. If this is the case, because the blue light or the blue fluorescent brilliance_green light is not easily absorbed by the light-emitting body, the energy conversion efficiency and the extraction efficiency of blue light or green light can be achieved. Further, in the case of a plurality of LED elements 3, a red phosphor layer, a green county layer, and a blue phosphor are sequentially arranged from the side surface 221 side (outer side). (flat wheel shape) 3⁄4: The side milk of the layer recess may not be positive m. For example, 201108472 emits light obliquely upward for the LED element 3 mounted on the side surface 221, and can excite the phosphor 5 located at a higher position, so The light emitted by the excited phosphor 5 is not easily absorbed by the other phosphors 5, especially when the phosphor 5 having a large light intensity emitted to the front or the LED element 3 having a large side light emission is used. Improve luminous efficiency. However, if the direction in which the light is emitted is largely deviated from the lateral direction and is close to the upward direction, the light is emitted in the same state as the conventional bottom-mounted LED light-emitting device, and the effect of the present invention is lost. Conversely, the recess 22 may have a structure that is reduced from the bottom surface 222 toward the opening. At this time, the back scattering of the glare body can be effectively utilized, but if the opening portion is too small, the light extraction efficiency is low. Therefore, the angle between the bottom surface 222 and the side surface 221 is preferably 45. To 135. The better one is 8〇. To 1〇〇. The scope. When the uniformity of the light emission in the closing member 4 takes precedence over the extraction efficiency of the light emitted from the phosphor 5, the concentration of the phosphor 5 in the closing member 4 can also be increased. The mirror 23 can also be made of a white ceramic material. A diffusing material composed of a layer, a white resin layer, a matte metal film, or the like can improve the uniformity of light emission in the closing member 4 as long as it is such an article. Further, the LED element 3 can be mounted on the same. The side surface 221 of the recess 22 is also mounted on the bottom surface 222. For the LED element 3 on the bottom surface 222, the light-emitting LED is read from the entire LED element 3, and the luminance of the light-emitting device can be further improved. In addition, the present invention is not limited to the above-described embodiments, and some or all of the above various configurations may be suitable (industrial useability), and the hair may be placed on the hair (four). The light generated by the LED element is converted into wavelength, and the wavelength-converted light can be extracted more efficiently. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic longitudinal sectional view of a light-emitting device according to an embodiment of the present invention. A schematic cross-sectional view of a light-emitting device according to an embodiment. Fig. 4 is a schematic view showing a light-emitting pattern of a flashlight in the same embodiment. FIG. 4 is a view showing a light path of a portion of the optical path of the light emitted from the LED element in the same embodiment. Fig. f is a schematic cross-sectional view of a light-emitting device of another embodiment. A schematic cross-sectional view of a light-emitting device according to another embodiment is shown. Fig. 0A is a schematic longitudinal cross-sectional view showing a light-emitting device of another embodiment. A schematic longitudinal cross-sectional view of a light-emitting device of another embodiment is shown in Fig. 1. A schematic top view of a light-emitting device of another embodiment is shown in Figure 1. Figure 1 shows the light-emitting state of a phosphor in a conventional light-emitting device. Schematic diagram of the main components: 1. Illumination Jun 2... Base 3··-LED components 4.. Closed member 5.. . . phosphor 51.. . Phosphor 21·.. 22·,.recess 23..reflector 24···outside side 222.. bottom surface 12