201020638 九、發明說明： 【發明所屬之技術領域】 本發明係關於一種顯示裝置及其發光模組。 【先前技術】 近年來，各種顯示技術不斷更新，如液晶顯示裝置、 電漿顯示裝置、有機發光二極體顯示裝置等新產品，無不 朝向高亮度及高效率化發展。在顯示裝置之各種關鍵零組 件中，用來供應光源的背光模組’對顯示裝置整體的發光 效率及顯示品質具有相當的影響。當背光模組本身具有良 好的發光效率時，不僅能提升顯示裝置的亮度，亦能提^ 顯示裝置中其他組件設計以及製造上的彈性，但若背光模 組本身的發光效率不佳時，所能提供的光源有限，往往限 制了顯示裝置產品亮度的表現。 背光模組依其發光源之設置可區分為側光式及直下 Φ 式兩種，且發光源之設汁從較早之線光源例如冷陰極螢光 燈管（CCFL)之型態逐漸轉變至點光源之發光型態。由於 發光二極體具備高細腻度、高輝度、無水銀及高色再現性 等優點，故以發光二極體組成之發光模組作為液晶顯示器 之背光模組已成為新趨勢。 請參關1A及圖1B所示’-種習知之液晶顯示裝置 之側光式背光模組1，包含一導光板u以及一發光组件 12。發光組件12具有一電路板121及複數發光二極體122 例如為紅光、綠光及藍光之發光二極體122，並設置於導 6 201020638 光板11之一側邊。為了避免進入導光板11的光線會全反 射而降低了光線的利用率，習知技術更於導光板11面對 發光二極體122的表面，形成複數微結構111，例如形成 •粗糙表面或微透鏡面，使得發光組件12所發出之光線L ' 可經由微結構111進入導光板11，以增加光線利用率，並 有助於混光。 然而，發光二極體122與導光板11之距離不足，並 無法使發光二極體122之三種色彩混光均勻，易於導光板 ❹ 11的出光面上看見混光不均的色塊。 因此，如何提供一種顯示裝置及其發光模組，使發光 二極體作為側光式背光模組之光源時，能改善混光不均之 問題，並提升顯示裝置之顯示品質，已成為重要課題之一。 【發明内容】 有鑑於上述課題，本發明之目的為提供一種顯示裝置 及其發光模組，可改善側光式發光模組之發光二極體混光 零 效果，並提高發光模組整體之效率，提升顯示裝置之顯示 品質。 為達上述目的，依據本發明之一種發光模組包含一導 . 光板、一發光組件以及一反射元件。導光板具有一底面、 一入光面及一出光面，底面與出光面相對而設。發光組件 設於導光板的底面側，發光組件包含複數發光二極體及複 數透鏡體。各透鏡體覆蓋各發光二極體，並具有一中央 軸、二反射面及二折射面。該等反射面與該等折射面相互 7 201020638 連結，1該等反射面設置於該中央軸之二側。該等折射面 分別與中央轴具有一傾角。反射元件鄰設於入光面之一 側。该等發光二極體所發出之光線進入透鏡體，並收斂炱 一收斂角後射至反射元件。反射元件反射光線入射入光 面。 一夠建上述目的，依據本發明之一種顯示裝置包含一顯 =面板以及一發光模組。發光模組與顯示面板對應設置。 Φ叙光模叙包含一導光板、一發光組件及—反射元件。導光 板Ϊ有〜底面、一入光面及—出光面。底面與出光面相對 發光組件設於導光板的底面側。發光組件包含複數 二槌體及複數透鏡體。各透鏡體覆蓋各發光二極體， 〜中央軸、二反射面及二折射面。該等反射面與該 =面相互連結’且該等反射面設置於令央軸之二侧。 光面之子面分別與中央轴具有一傾角。反射元件鄰設於入 並收链Γ側’該等發光二極體所發出之光線進入透鏡體， •射入光收敛角後射至反射元件’反射元件反射光線入 组藉所述，因依據本發明之一種顯示農置及其發光模 以^成=反射面及折射面之透鏡體覆蓋於發光二極體 可將^H並設置於導光板的底面侧，使發光組件 二將先，收歛後由反射元件反射再入射導光板之入光 ”習知技*相較，本發明能夠 光距離使發光二極體之混光更β-極體的犯 的出射角度，有效提供混光均二2可收敍發光二極體 勻及高亮度之發光模組，可 201020638 提升顯示裝置之顯示品質 【實施方式】 以下將參照相關圖式，說明依本發 種顯示裝置及其發光模組，其中相 照符號加以說明。 +將以相同的參 含4==發明第一實施例之發光模組2包 發m 光组件22及一反射元件23。於此， :,、且M —用於液晶顯示裝置的側光式背光模組為 或一㈣導光板的:::作限制’例如可為-方形導光板 例中，導光板21為一方形導 盆由〜、有一底面2U、一入光面212及-出光面213。 :中，底面2U與出光面213相對而設，底面2n可設置 稷數網點S及一高反射率之反射片（稍後敘述 發光組件22設置於導光板21的底面2ιι側以增加混 光距離’並提高發光二極體光源之混光均勻。其中，發光 、、且件22包含一發光二極體221及一 反射元㈣鄰設於入光面212之一側，反射元件23 可由，少一反射片而構成。於本實施例中，反射元件Μ 為-第-反射片231及—第二反射片232所構成的燈單， 並鄰設於導光板21之入光面212,且第一反射片231與第 二反射片232具有一夾角Θ1。需注意的是，第一反射片 231與入光面212的距離比第二反射片232與入光面212 201020638 的距離近，且第一反射片231具有複數微結構Μ。其中， 該等微結構Μ可為複數網點、複數透鏡、複數稜鏡或一霧 面結構。於本實施例中，該等微結構Μ為複數網點且鄰近 第一反射片231與第二反射片232連結處的該等微結構Μ 的密度小於遠離第一反射片231與第二反射片232連結處 的密度，俾使射入導光板21的光線強度不會太集中於某 處。另外，反射元件23更可具有一第三反射'片233，第三 反射片233的一端與發光組件22連結。當發光組件22發 出之光線L1近似平行射出，第三反射片233可使光線L1 經由第三反射片233與導光板21之間的通道通過，以提 升光線利用率。 當發光組件22發出之光線L1近似平行射出，光線L1 經由反射元件23與導光板21之間的通道通過，並藉由發 光組件22與反射元件23之間的距離D使發光組件22來 加長混光距離，如此一來，該等發光二極體221之混光將 更加均勻。光線L1由發光組件22射出後，光線L1射至 反射元件23並經由第二反射片232進行第一次反射，再 由第一反射片231與其微結構Μ進行第二次反射後，入射 導光板21之入光面212,再由導光板21之底面211之網 點S進行反射後，由導光板21之出光面213出光（圖未 顯示）。 請參照圖3所示，係為本發明發光模組2中之單一發 光組件22之放大剖面示意圖。為使各發光組件22能發出 實質上平行的光線，發光組件22中覆蓋發光二極體221 10 201020638 的透鏡體222需要有特別的結構。其中，透鏡體222之材 質例如但不限制為聚碳酸酯、聚甲基丙烯酸曱酯、樹脂或 玻璃。透鏡體222具有—中央軸c、二反射面222a及二折 射面222b。二反射面222a分別設置於中央軸c之二側， 各反射面222a與各折射面222b相互連結，且折射面222b 從反射面222a連接處朝透鏡體222底部延伸且折射面 222b與中央軸C具有一傾角α。需注意的是，反射面222a 可具有一曲面，且折射面222b與反射面222a之間的夾角 β為銳角。於本實施例中，由剖面圖觀之，中央軸c二侧 之反射面222a及折射面222b為對稱設置。當然，反射面 222a及折射面222b於中央軸C之二側亦可不對稱設置。 另外’透鏡體222更可具有一菲涅耳（Fresnel)表面223， 菲淫耳表面223具有複數凸出的折射部223a對稱於中央軸 c而設置’並具有相同的圓心。其中，透鏡體222由中央 軸C往外分別設置菲涅耳表面223、二折射面222b及二反 射面222a，且各折射面222b連接菲涅耳表面223及各反 射面222a。需注意的是’透鏡體222中央處之透鏡亦可為 一曲面透鏡連接上述折射面222b。 當發光二極體221發出光線L後，進入透鏡體222之 反射面222a反射後經由折射面222b折射，或者直接由菲 退耳表面223導出並收斂至一收斂角（圖未顯示），使發 光組件22發出之光線L1近似平行射出。 睛參照圖4所示，係為本發明之發光組件與習知技術 之發光二極體之光強度與半位角關係圖，其中半位角為光 11 201020638 強度由最大強度降至一半時的角度。由圖中可得知，本發 月之發光—極體穿過透鏡體的光線，當光強度降至一半 時’半位角之範圍係介於±15度至±35度（圖4以半位角 」於±15度為例而習知技術之發光二極體所發出的光 線、，其半位角介於±52度左右，表示其光形分布較寬，光 線並無明顯的集中效果。 請參照圖5所示，本發明第二實施例之另一種發光模 φ組3包含—導光板31、一發光組件32及-反射元件33。 f發明之發光模組3仍以—液晶顯示裝置用之—側光式之 背光模組為例。其中，導光板31及發光組件32之構成與 功能與上述第一實施例之發光模組2之導光板21及 組件22相同，於此不再贅述。本實施例與第一實施例不 同之處在於，反射元件33並非為相互夾設有—角度的複 數反射片，反射元件33為一具有曲面之燈罩，燈罩可為 一體成型且表面具有反射材質。當發光組件32發出之光 肇線L2近似平行射出，光線L2射至反射元件33:曲面並 至乂、經過一次反射後入射導光板31之入光面312。 請參照圖6所示，本發明第三實施例之一種顯示裝置 4包含一顯示面板41以及一發光模組2。顯示裝置4以一 液晶顯示裝置為例，於本實施例中，係應用上述第一實施 例之發光模組2與光學膜片42結合以作為顯示裝置4之 背光模組。其中，顯示面板41為一液晶顯示面板並與發 光模組2對應设置。發光模組2之構成與功能如同上述第 —貫施例所述，於此不再贅述。 12 201020638 本實施例中，顯示裝置4更可包含複數光學膜片42， 光學膜片42具有一上擴散膜421、一增亮膜422及一下擴 散膜423設置於顯示面.板41與發光模組2之間。當發光 模組2之發光組件22發出之光線L1經由反射元件23與 導光板21之間的通道通過，藉由發光組件22與反射元件 23之間的距離D，延長發光二極體221混光的距離，使發 光組件22均勻混光後，由導光板21之出光面213出光至 0 光學膜42而成為顯示裝置4之光源。 綜上所述，因依據本發明之一種顯示裝置及其發光模 組藉由具有反射面及折射面之透鏡體覆蓋於發光二極體 以形成發光組件，並設置於導光板的底面側，使發光組件 可將光線收歛後由反射元件反射再入射導光板之入光 面。與習知技術相較，本發明能夠增加各發光二極體的混 光距離使發光二極體之混光更均勻，且可收斂發光二極體 的出射角度，有效提供混光均勻及高亮度之發光模組，可 φ 提升顯示裝置之顯示品質。 以上所述僅為舉例性，而非為限制性者。任何未脫離 本發明之精神與範疇，而對其進行之等效修改或變更，均 應包含於金附之申請專利範圍中。 【圖式簡單說明】 圖1A為一種習知之侧光式背光模組及其局部放大示 意圖； 圖1B為圖1A之光線散射的示意圖； 13 201020638 圖2為依據本發明第—實施例之—種發光模組的示 圓； 圖3為單一發光組件的示意圖； 圖4為依據本發明較佳實施例之發光二極體的光強度 與半位角相對關係圖； 圖5為依據本發明第二實施例之另一種發光模組的示 意圖；以及 圖6為依據本發明第三實施例之—種顯示裝置的示意 圖。’ 【主要元件符號說明】 1 :背光模組 11、 21、31 :導光板 111、Μ :微結構 12、 22、32 ·發光組件 121 :電路板 122 :發光二極體 2、3 :發光模組 211、 311 :底面 212、 312 :入光面 213、 313 :出光面 221、 321 :發光二極體 222、 322 :透鏡體 222a :反射面 14 201020638 222b :折射面 223 :菲涅耳表面 223a :折射部 23、33 :反射元件 231 :第一反射片 232 :第二反射片 233、333 :第三反射片 4 :顯示裝置 β 41 :顯示面板 42 :光學膜 421 :上擴散膜 422 :增亮膜 423 :下擴散膜 C :中央軸 D、D1 :距離 L、LI、L2 :光線 5 :網點 Θ1、β :夾角 α :傾角 15201020638 IX. Description of the Invention: [Technical Field] The present invention relates to a display device and a light-emitting module thereof. [Prior Art] In recent years, various display technologies have been continuously updated, such as liquid crystal display devices, plasma display devices, and organic light-emitting diode display devices, which are all moving toward high brightness and high efficiency. Among the various key components of the display device, the backlight module ' used to supply the light source' has a considerable influence on the overall luminous efficiency and display quality of the display device. When the backlight module itself has good luminous efficiency, it can not only improve the brightness of the display device, but also improve the design and manufacturing flexibility of other components in the display device, but if the backlight module itself has poor luminous efficiency, The limited number of light sources that can be provided often limits the performance of the display device. The backlight module can be divided into two types: an edge light type and a straight down type Φ according to the setting of the light source, and the light source is gradually changed from the pattern of an earlier line source such as a cold cathode fluorescent tube (CCFL) to The illuminating pattern of the point source. Since the light-emitting diode has the advantages of high fineness, high luminance, mercury-free color, and high color reproducibility, the light-emitting module composed of the light-emitting diode has become a new trend as a backlight module of the liquid crystal display. The side-lit backlight module 1 of the conventional liquid crystal display device shown in FIG. 1A and FIG. 1B includes a light guide plate u and a light-emitting assembly 12. The light-emitting component 12 has a circuit board 121 and a plurality of light-emitting diodes 122, such as red, green and blue light-emitting diodes 122, and is disposed on one side of the light guide 11 of the guide glass 201020638. In order to prevent the light entering the light guide plate 11 from being totally reflected to reduce the utilization of the light, the conventional technique is such that the light guide plate 11 faces the surface of the light-emitting diode 122 to form a plurality of microstructures 111, for example, a rough surface or a micro surface. The lens surface allows the light L' emitted by the light-emitting component 12 to enter the light guide plate 11 via the microstructure 111 to increase light utilization and contribute to light mixing. However, the distance between the light-emitting diodes 122 and the light guide plate 11 is insufficient, and the three colors of the light-emitting diodes 122 cannot be uniformly mixed, and the uneven color-mixed color patches are easily seen on the light-emitting surface of the light guide plate ❹11. Therefore, how to provide a display device and a light-emitting module thereof, and to improve the display quality of the display device when the light-emitting diode is used as the light source of the edge-lit backlight module, has become an important issue. one. SUMMARY OF THE INVENTION In view of the above problems, an object of the present invention is to provide a display device and a light-emitting module thereof, which can improve the light-emitting diode zero-mixing effect of the edge-lighting module and improve the overall efficiency of the light-emitting module. Improve the display quality of the display device. To achieve the above object, a light emitting module according to the present invention comprises a light guide plate, a light emitting component and a reflective component. The light guide plate has a bottom surface, a light incident surface and a light exit surface, and the bottom surface is opposite to the light exit surface. The light emitting component is disposed on a bottom surface side of the light guide plate, and the light emitting component comprises a plurality of light emitting diodes and a plurality of lens bodies. Each lens body covers each of the light emitting diodes and has a central axis, a second reflecting surface, and a birefringent surface. The reflecting surfaces are coupled to the mutually refracting surfaces 7 201020638, and the reflecting surfaces are disposed on two sides of the central axis. The refracting faces each have an angle of inclination with the central axis. The reflective element is disposed adjacent to one side of the light incident surface. The light emitted by the light-emitting diodes enters the lens body and converges to a convergence angle and then strikes the reflective element. The reflective element reflects light incident on the light surface. To achieve the above object, a display device according to the present invention comprises a display panel and a light emitting module. The lighting module is corresponding to the display panel. The Φ narration mode comprises a light guide plate, a light-emitting component and a reflective element. The light guide plate has a bottom surface, a light entrance surface, and a light exit surface. The bottom surface is opposite to the light-emitting surface. The light-emitting component is disposed on the bottom surface side of the light guide plate. The illuminating assembly comprises a plurality of dichroic bodies and a plurality of lenticular bodies. Each lens body covers each of the light-emitting diodes, the central axis, the two reflecting surfaces, and the two refractive surfaces. The reflecting surfaces are connected to the = surface and the reflecting surfaces are disposed on the two sides of the central axis. The subsurfaces of the smooth surface have an inclination angle with the central axis. The reflective element is disposed adjacent to the side of the in-and-out chain, and the light emitted by the light-emitting diodes enters the lens body, and the light enters the convergence angle of the light and then strikes the reflective element. The reflective element reflects the light into the group. The invention discloses a display of the agricultural device and the illuminating mode thereof, and the lens body covering the reflecting surface and the refracting surface is covered on the bottom surface of the light guiding plate, so that the illuminating component 2 will converge first. After being reflected by the reflective element and incident on the light entering the light guide plate, the present invention is capable of providing a mixed light angle of the light-diffused light-emitting diode to the β-polar body. 2 can be used to illuminate the LED module with high brightness and high brightness. The display quality of the display device can be improved by 201020638. [Embodiment] The display device and its illumination module according to the present invention will be described below with reference to the related drawings. The light-emitting module 2 of the first embodiment of the invention is packaged with the same reference numeral 4== the light-emitting module 2 of the first embodiment of the invention, and a reflective element 23. Here, :, and M - for liquid crystal The edge-lit backlight module of the display device is For example, in the case of a square light guide plate, the light guide plate 21 is a square guide plate, a bottom surface 2U, a light entrance surface 212, and a light exit surface 213. The bottom surface 2U is opposite to the light-emitting surface 213, and the bottom surface 2n can be provided with a plurality of dot points S and a high-reflectance reflection sheet (the light-emitting unit 22 is disposed on the bottom surface 2 ι side of the light guide plate 21 to increase the light-mixing distance later) and is improved. The light-emitting diode light source is uniformly mixed, wherein the light-emitting diode 22 includes a light-emitting diode 221 and a reflection element (4) disposed adjacent to one side of the light-incident surface 212, and the reflective element 23 can be replaced by one reflective sheet. In this embodiment, the reflective element Μ is a lamp sheet composed of a first-reflecting sheet 231 and a second reflecting sheet 232, and is disposed adjacent to the light-incident surface 212 of the light guide plate 21, and the first reflecting sheet 231 and the second reflective sheet 232 have an angle Θ 1. It should be noted that the distance between the first reflective sheet 231 and the light incident surface 212 is closer than the distance between the second reflective sheet 232 and the light incident surface 212 201020638, and the first reflective sheet 231 has a complex microstructure Μ, wherein the microstructure Μ can be a complex dot, a complex number Mirror, complex 稜鏡 or a matte structure. In this embodiment, the microstructure Μ is a plurality of dots and the density of the microstructures adjacent to the junction of the first reflective sheet 231 and the second reflective sheet 232 is less than The density of the junction between the first reflective sheet 231 and the second reflective sheet 232 is such that the intensity of the light incident on the light guide plate 21 is not concentrated too much. In addition, the reflective element 23 may further have a third reflective 'sheet 233. One end of the third reflection sheet 233 is coupled to the light-emitting assembly 22. When the light L1 emitted from the light-emitting assembly 22 is emitted in approximately parallel directions, the third reflection sheet 233 can pass the light L1 through the passage between the third reflection sheet 233 and the light guide plate 21, To improve light utilization. When the light L1 emitted by the light-emitting component 22 is emitted in approximately parallel direction, the light ray L1 passes through the channel between the reflective element 23 and the light guide plate 21, and the light-emitting component 22 is lengthened by the distance D between the light-emitting component 22 and the reflective component 23. The light distance, as a result, the light mixing of the light-emitting diodes 221 will be more uniform. After the light beam L1 is emitted by the light-emitting component 22, the light beam L1 is incident on the reflective element 23 and is reflected for the first time via the second reflective sheet 232, and then reflected by the first reflective sheet 231 and its microstructure Μ for a second time, and then incident on the light guide plate. The light incident surface 212 of 21 is reflected by the mesh point S of the bottom surface 211 of the light guide plate 21, and then emitted from the light output surface 213 of the light guide plate 21 (not shown). Referring to FIG. 3, it is an enlarged cross-sectional view of a single light-emitting component 22 in the light-emitting module 2 of the present invention. In order for the respective light-emitting components 22 to emit substantially parallel light, the lens body 222 of the light-emitting assembly 22 covering the light-emitting diodes 221 10 201020638 needs to have a special structure. The material of the lens body 222 is, for example but not limited to, polycarbonate, polymethyl methacrylate, resin or glass. The lens body 222 has a central axis c, a second reflecting surface 222a, and a birefringent surface 222b. The two reflecting surfaces 222a are respectively disposed on two sides of the central axis c, and the reflecting surfaces 222a and the respective refractive surfaces 222b are coupled to each other, and the refractive surface 222b extends from the joint of the reflecting surface 222a toward the bottom of the lens body 222 and the refractive surface 222b and the central axis C It has an inclination angle α. It should be noted that the reflecting surface 222a may have a curved surface, and the angle β between the refractive surface 222b and the reflecting surface 222a is an acute angle. In the present embodiment, the reflecting surface 222a and the refracting surface 222b on both sides of the central axis c are symmetrically arranged as viewed in cross section. Of course, the reflecting surface 222a and the refracting surface 222b may also be asymmetrically disposed on both sides of the central axis C. Further, the lens body 222 may further have a Fresnel surface 223 having a plurality of convex refracting portions 223a disposed symmetrically with respect to the central axis c and having the same center. The lens body 222 is provided with a Fresnel surface 223, a two-refractive surface 222b and two reflecting surfaces 222a respectively from the central axis C, and each of the refractive surfaces 222b connects the Fresnel surface 223 and the reflecting surfaces 222a. It should be noted that the lens at the center of the lens body 222 may also be a curved lens connecting the above-mentioned refractive surface 222b. When the light-emitting diode 221 emits light L, it is reflected by the reflective surface 222a of the lens body 222 and then refracted via the refractive surface 222b, or directly derived from the Philippine ear surface 223 and converges to a convergence angle (not shown), so that the light is emitted. The light L1 emitted by the assembly 22 is emitted approximately in parallel. Referring to FIG. 4, it is a relationship between the light intensity and the half angle of the light-emitting diode of the present invention and the light-emitting diode of the prior art, wherein the half-angle is light 11 201020638 when the intensity is reduced from the maximum intensity to half angle. It can be seen from the figure that the light of the moon is the light passing through the lens body, and when the light intensity is reduced to half, the range of the half angle is between ±15 degrees and ±35 degrees (Fig. 4 in half) The position angle is ±15 degrees. For example, the light emitted by the conventional light-emitting diode has a half-angle of ±52 degrees, indicating that the light distribution is wide and the light has no obvious concentration effect. Referring to FIG. 5, another illuminating mode φ group 3 of the second embodiment of the present invention includes a light guide plate 31, a light-emitting component 32, and a reflective component 33. The light-emitting module 3 of the invention is still liquid-displayed. The backlight module of the light-emitting panel 31 and the light-emitting component 32 are the same as those of the light-guide panel 21 and the component 22 of the light-emitting module 2 of the first embodiment. The present embodiment is different from the first embodiment in that the reflective member 33 is not a plurality of reflective sheets sandwiched by an angle, and the reflective member 33 is a curved cover having a curved surface, and the cover can be integrally formed and have a surface. Reflective material. When the light-emitting component 32 emits a pupil line L2 is approximately flat The display device 4 of the third embodiment of the present invention includes a display. The display device 4 is exemplified by a liquid crystal display device. In the embodiment, the light-emitting module 2 of the first embodiment is combined with the optical film 42 to serve as the display device 4. The backlight module is a liquid crystal display panel and is disposed corresponding to the light-emitting module 2. The structure and function of the light-emitting module 2 are as described in the above-mentioned first embodiment, and will not be described herein. In an embodiment, the display device 4 further includes a plurality of optical films 42 having an upper diffusion film 421, a brightness enhancement film 422, and a lower diffusion film 423 disposed on the display surface. The plate 41 and the light emitting module 2 When the light L1 emitted from the light-emitting component 22 of the light-emitting module 2 passes through the channel between the reflective component 23 and the light guide plate 21, the light-emitting diode 221 is extended by the distance D between the light-emitting component 22 and the reflective component 23. The distance of the light mixing, After the light-emitting component 22 is uniformly mixed, the light-emitting surface 213 of the light guide plate 21 is emitted to the 0-optical film 42 to become a light source of the display device 4. In summary, a display device and a light-emitting module thereof according to the present invention are used. The lens body having the reflecting surface and the refracting surface covers the light emitting diode to form the light emitting component, and is disposed on the bottom surface side of the light guide plate, so that the light emitting component can converge the light and then reflect by the reflective component and then enter the light incident surface of the light guide plate. Compared with the prior art, the present invention can increase the light mixing distance of each light emitting diode to make the light mixing of the light emitting diode more uniform, and can converge the exit angle of the light emitting diode, thereby effectively providing uniform light mixing and high brightness. The light-emitting module can φ improve the display quality of the display device. The above is intended to be illustrative only and not limiting. Any equivalent modifications or alterations to the spirit and scope of the present invention are intended to be included in the scope of the patent application. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1A is a conventional side-lit backlight module and a partially enlarged schematic view thereof; FIG. 1B is a schematic diagram of light scattering of FIG. 1A; 13 201020638 FIG. 2 is a first embodiment of the present invention. FIG. 3 is a schematic diagram of a light-emitting diode according to a preferred embodiment of the present invention; FIG. 4 is a second diagram of a light-emitting diode according to a preferred embodiment of the present invention; FIG. A schematic diagram of another illumination module of an embodiment; and FIG. 6 is a schematic diagram of a display device according to a third embodiment of the present invention. ' [Main component symbol description] 1 : backlight module 11, 21, 31: light guide plate 111, Μ: microstructure 12, 22, 32 · light-emitting assembly 121: circuit board 122: light-emitting diode 2, 3: light-emitting mode Group 211, 311: bottom surface 212, 312: light-incident surface 213, 313: light-emitting surface 221, 321: light-emitting diode 222, 322: lens body 222a: reflection surface 14 201020638 222b: refractive surface 223: Fresnel surface 223a : Refractive portion 23, 33: reflective element 231: first reflection sheet 232: second reflection sheet 233, 333: third reflection sheet 4: display device β 41: display panel 42: optical film 421: upper diffusion film 422: increase Bright film 423: Lower diffusing film C: Central axis D, D1: Distance L, LI, L2: Light 5: Dot Θ 1, β: Angle α: Inclined angle 15