1295353 九、發明說明： 【發明所屬之技術領域】 本务明乃係-種導光板之定位裳置（_)，尤指於可將楔形導 光板予以確實定位並避免燈源之燈管因導光板之壓迫而造成破裂 之裝置者。 【先前技術】 按，液晶顯示器（LCD; Liquid Crystal Display)主要係由 一液晶面板（LCD panel)及一面光源裝置（Back Ught M〇dule) 所組成；其中，該液晶面板係做為顯示之用，但其本身卻不具發 光之特性，當欲進行顯示時，所利用之光源則必需借助於面光源 裝置予以提供，足見面光源裝置於-液晶顯示財係為一極重 要，且不可或缺之部品。 習知之面光源裝置1，請參閱圖一所示，該面光源裝置1包1295353 IX. Description of the invention: [Technical field to which the invention pertains] The present invention is a positioning device (_) for a light guide plate, especially for the position of the wedge-shaped light guide plate and the light source of the light source. The device that is pressed by the light plate to cause cracking. [Previous Technology] Liquid crystal display (LCD) is mainly composed of a liquid crystal panel (LCD panel) and a backlight unit (Back Ught Mule); wherein the liquid crystal panel is used for display. However, it does not have the characteristics of illuminating. When it is intended to be displayed, the light source used must be provided by means of a surface light source device. It is an important and indispensable part of the liquid crystal display system. Parts. The conventional surface light source device 1, please refer to FIG. 1, the surface light source device 1 package
括有-承罝框11、-反射膜片12、-導光板！3、擴散膜片 1 4、稜鏡片1 5、燈源1 6 (圖中以冷陰極燈管為例）、燈反射 器1 7。 承置框11，具有一底盤111，該底盤χi之周緣形成 有板牆1 1 2 ’藉由該板牆112而構成一容置區113，其中 5亥承置框11之側邊設有一個或一個以上可供導光板13 a位 凹槽1 1 4。 反射膜片12，主要係使光源能充分的被利用，以 又吾漏光 之現象。 5 1295353 導光板1 3，係以具良好透光性材質之板片體所製成，該導 光板13具有出光面！3 i及相對於出光面丄3丄之—反射面工 3 2，並至少設一側端面為入光面丄3 3，該反射面工3 2之表 面設置有為數料的導光點i 3 2丄，又該等導光點丄3 2工之 面和大]、’則依距離燈源越遠而越付放大，或距離燈源1 6越 遠而越予以加大其導光點！3 2!之密度，其中，該導光板工3 之側邊設有相對應於承置框i i凹槽丄丄4之凸耳i 34。 擴散膜片14，係置於導光板i 3之上方，其主要在於提升 光的使用效率，並使燈源16之光源勻化。 稜鏡片15，係用以修正光的方向，而達到聚光的效果以及 提高正面之輝度。 燈源16 ’係設置於入光面13 3之外側，該燈源16之選 用有的以發光一極體（L E D )為之，有的則以冷陰極燈管（c〇id cathode fluorescent lamp，CCFL)為之。 燈反射1 7 ’為具-開π之罩體，該燈反射器丄7係設置 於源1 6之-側，以供$登源1 6所發出之光線反射導入導光板 1 3中。 請參閱圖二所示，習知之面光源裝置工於組立時，係先將燈 源16及燈反射益17设置於承置框11之一側邊，再將反射膜 片12置於承置框11之底盤111上，並依序將導光板工3、 擴散膜片1 4、稜鏡>1 1 5置於承置框1 1中，藉由承置框1 1 1295353 周緣所設置之凹槽1i 4與導光板工3之凸耳工3 4，來使導光 板13獲得一良好之定位，如圖三所示。 惟’一般使用平板式導光板13之面光源裝置，尚可以上述 之方法來令導光板i 3達到定位之效果，但大多數之筆記型電 腦，由於係講求輕、薄，該承置框丄丄並無多餘之空間來設置凹 槽114來供導光板13之凸耳丄3 4定位。 因此’-般應用於筆記型電腦之面光源裝置所搭配之導光 板，通常細楔形導光板為之，請參_輯示，該面光源裝置 2包括有-承置框2 1、-反射則2 2、—導光板2 3、擴散 膜片24、稜鏡片2 5 i源2 6、燈反射器27。 承置框2 1，具有-底盤2n，該底盤211之周緣形成 有板牆212，藉由該板牆212而構成-容置區213。 反射膜片2 2 ’主要係使光源能充分的被利用，以改善漏光 之現象。 導光板2 3，係以具良好透光性材質之板片體所製成，該導 光板23具有出光面231及相對於出光面231之-反射面2 3 2 ’並至少設一側端面為入光面2 3 3，該反射面⑴之表 面設置有為數衫的導光點2 3 2 1，又該料絲2 3 2工之 _大小，廳距離燈源越遠而越付放大，或距離燈源2㈣ 退而越予以加大其導光點2 3 21之密度。 擴散膜片2 4 ’係置於導光板2 3之上方，其主要在於提升 1295353 光的^效率，並使燈源2 6之光源勻化。 接^ 5伽崎正光的方向，而達浙光的效果以及 提咼正面之輝度。 ，财置於入光面2 3 3之外侧。 k反射TO2 7 ’為具-開口之罩體，該燈反射器2 7係設置 於燈源2 6之-側，以供燈源2 6所發出之光線反射導入導絲 2 3中。 再請參_五所示，該面光源裝置2於組立時，係先將燈源 2 6及燈反射☆2 7设置於承置框2 i之—侧邊，再將反射膜片 2 2置於承置框21之底盤211上，並依序將導光板2 3、擴 散膜片2 4、稜鏡片2 5置於承置框2丄中，此時，該導光板2 3入光面2 3 3之二端係抵頂於燈源2 6二端之電極2 61上， 藉此來使導光板2 3來獲得一定位之效果。 然而，由於該楔形導光板2 3無法於側邊設置定位用之凸 耳僅此藉由燈源2 6二端之電極2 61來達到導光板2 3定位 之目的而^且源2 6—端之電極2 61係以具有彈性之軟性材質 製成，於安裝導光板2 3時，非常容易因施力不當播壓到燈源2 6之燈管，使燈管發生破裂之情形，進而提高產品之不良率。 有鐘於上述楔形之導光板2 3並無一良好之定位方式，而導 致燈源之燈管常因導光板之壓迫而造成破裂，故，針對此一部份， 實有加以改進之必要性。 !295353 發明人乃係從事面光源裝置相關產業 I 心寻菜人貝，有鑑 驗 \ 魏置中料板之粒未較善，ΤΗΧ長年工作經 積極的進行研究，在不斷的試驗及改良後終獲致本 【發明内容】 ΧIncluded - bearing frame 11, reflective film 12, - light guide! 3. Diffusion diaphragm 1 4, cymbal 155, lamp source 16 (for example, cold cathode lamp tube in the figure), lamp reflector 17. The receiving frame 11 has a chassis 111. The periphery of the chassis χi is formed with a wall 1 1 2 ′. The accommodating area 113 is formed by the slab 112, wherein a side of the 5 hai frame 11 is provided. Or more than one groove 1 1 4 for the light guide plate 13 a. The reflective film 12 is mainly a phenomenon in which the light source can be sufficiently utilized to leak light. 5 1295353 The light guide plate 13 is made of a plate body with a good light transmissive material, and the light guide plate 13 has a light emitting surface! 3 i and the light-emitting surface 丄 3 — - the reflecting surface 3 2, and at least one side end surface is the light-incident surface 丄 3 3 , the surface of the reflecting surface 3 2 is provided with a number of light guiding points i 3 2丄, and these light guide points 丄3 2 work face and large], 'the more the distance from the light source, the more the amplification, or the farther away from the light source, the more the light guide point! The density of 3 2!, wherein the side of the light guide plate 3 is provided with a lug i 34 corresponding to the groove 丄丄4 of the receiving frame i i . The diffusion film 14 is placed above the light guide plate i 3 mainly for enhancing the use efficiency of the light and homogenizing the light source of the light source 16. The cymbal 15 is used to correct the direction of the light to achieve the effect of concentrating and increasing the brightness of the front. The light source 16' is disposed on the outer side of the light incident surface 13 3 , and the light source 16 is selected from a light emitting body (LED), and some are a cold cathode fluorescent lamp (c〇id cathode fluorescent lamp, CCFL). The light reflection 1 7 ' is a cover with a - open π, and the lamp reflector 7 is disposed on the side of the source 16 for light reflection from the source 16 to be introduced into the light guide plate 13. Referring to FIG. 2, when the conventional surface light source device is assembled, the light source 16 and the lamp reflection benefit 17 are first disposed on one side of the mounting frame 11, and the reflective film 12 is placed in the receiving frame. On the chassis 111 of the 11th, the light guide plate 3, the diffusion diaphragm 14 and the 稜鏡>1 1 5 are sequentially placed in the receiving frame 1 1 by the recess provided by the circumference of the receiving frame 1 1 1295353 The groove 1i 4 and the lug 3 of the light guide plate 3 are used to obtain a good positioning of the light guide plate 13, as shown in FIG. However, the surface light source device of the flat light guide plate 13 is generally used, and the light guide plate i 3 can be positioned to achieve the positioning effect. However, most of the notebook computers are light and thin, and the mounting frame is There is no extra space for the recess 114 to be positioned for the lug 34 of the light guide plate 13. Therefore, the light guide plate that is generally applied to the surface light source device of the notebook computer is usually a thin wedge-shaped light guide plate, and the light source device 2 includes a mounting frame 2 1 and a reflection. 2, - light guide plate 2 3, diffusion diaphragm 24, cymbal 2 5 i source 2 6, lamp reflector 27. The receiving frame 2 1 has a chassis 2n, and a periphery of the chassis 211 is formed with a wall 212, and the receiving wall 213 is formed by the wall 212. The reflective diaphragm 2 2 ' is mainly used to make the light source sufficiently utilized to improve the phenomenon of light leakage. The light guide plate 23 is made of a plate body having a good light transmissive material. The light guide plate 23 has a light exit surface 231 and a reflective surface 2 3 2 ′ with respect to the light exit surface 231 and at least one end surface is The entrance surface 2 3 3, the surface of the reflective surface (1) is provided with a light guide point 2 3 2 1 for a number of shirts, and the size of the filament 2 3 2 is used, and the farther away from the light source, the more enlarged, or The distance from the light source 2 (4) is increased by the density of the light guide point 2 3 21 . The diffusion film 24' is placed above the light guide plate 23, mainly to increase the efficiency of the light of 1295353, and to homogenize the light source of the light source 26. Connect the direction of the 5 gamma gamma ray, and the effect of the gamma light and the brightness of the front. The money is placed on the outside of the light surface 2 3 3 . The k-reflection TO2 7 ' is a cover having an opening, and the lamp reflector 27 is disposed on the side of the light source 26 so that the light emitted from the light source 26 is reflected and introduced into the guide wire 23. Further, as shown in FIG. 5, when the surface light source device 2 is assembled, the light source 26 and the lamp reflection ☆ 27 are first disposed on the side of the mounting frame 2 i, and then the reflective film 2 2 is placed. On the chassis 211 of the mounting frame 21, the light guide plate 23, the diffusion diaphragm 24, and the diaphragm 25 are sequentially placed in the mounting frame 2, and at this time, the light guide plate 2 is incident on the light surface 2 The end of the 3 3 end is abutted against the electrode 2 61 at the two ends of the light source 2 6 , thereby making the light guide plate 23 obtain a positioning effect. However, since the wedge-shaped light guide plate 23 cannot provide the positioning lug on the side, only the electrode 2 61 at the two ends of the light source 26 is used to achieve the purpose of positioning the light guide plate 23, and the source is 6-end. The electrode 2 61 is made of a flexible material having elasticity. When the light guide plate 23 is mounted, it is very easy to be improperly applied to the lamp of the lamp source 26 by the force applied, and the lamp tube is broken, thereby improving the product. The rate of non-performing. There is no good positioning method for the light guide plate 23 having the above-mentioned wedge shape, and the lamp of the light source is often broken due to the pressure of the light guide plate. Therefore, the necessity for improvement is necessary for this part. . !295353 The inventor is engaged in the related industries of surface light source devices. I have a good reputation. The identification of the Weizhong medium plate is not good, and the long-term work has been actively researched, after continuous testing and improvement. The ultimate result is [invention] Χ
本發明之主要目的，乃在提供—種導光板之定位裝置㈠， ’、主要係於導光板之承置框的側邊向内凸設有—個或—個以上之 頂制部’藉由承置框上之頂制部來對導光板近人光面之二侧邊端 形成，實之定位效果’並彻糊部對導光板及承置框形成一 可供導光板熱脹冷縮之空間者。 “本發明之:欠要目的，乃在提供一種導光板之定位裝置（一）， 猎由於燈反射器之二端至少設置—凹部，該承_對應於該凹部 之位置設有可嵌合於凹狀_，使導光板之人光定位後可 抵頂於該獅上，_免燈狀燈管因導光板之壓触造成破裂 者。 【實施方式】 為使貴審查委員能更易於了解本發明之結構及所能達到之 功效，茲配合圖式說明如下·· 首先，請參閱圖六所示，本發明之導光板定位裝置（_)，主 要係應用於面光源裝置上，該面光源裝置3，至少包括有一承置 框31、-反射膜片3 2、-導光板3 3、擴散膜片3 4、稜鏡 片3 5、燈源3 6、燈反射器3 7。 9 1295353 承置框3 1，具有一底盤3 1 1，該底盤3 之周緣形成 有板牆312，藉由該板牆312構成一容置區313，其中， 孩承置框31的侧邊板牆312上向内凸設有一個或一個以上之 頂制部3121，而承置框31於設置燈反射13 7之板牆3丄 2二端侧向下凸設有一擋牆3 i 2 2。 反射膜片3 2 ’主要係使光源能充分的被利用，以改善漏光 之現象。 導光板3 3，係以具透光性材質之板片體所製成楔形板體， 該導光板3 3具有出光面3 31及相對於出光面3 3 χ之一反射 3 3 2並至少δ又一側端面為入光面3 3 3，其中，反射面3 3 2之表面設置有為數眾料導光點3 3 2丨，又導光點3 3 2 、1之面積大小、疏密度、形體等，則依燈源3 6之光源射入於導 光板3 3叫，其光％之表現而決定該等導光點3 3 21之佈局 態樣條件。 擴散膜片3 4 ’係置於導光板3 3之出光面3 3丄上方，其 主要在於提升光的使射辑，域燈源3 6之光源霧化。 稜鏡片3 5 ’係㈣修正光的方向，而達到聚光的效果以及 提鬲正面之輝度。 燈源36，係設置於人光面333之外側。 5射:3 7 ’為—具開口及反射功能之罩體，該燈反射器 已復於燈源3 6之-侧，以供燈源3 6所發出之光線反射導 10 1295353 入導光板33中，其中，該燈反射器37之二端至少設置有一凹 部3 71，該凹部3 71係對應於承置框31之擋牆312 2， 且擋牆312 2係可嵌合於凹部3 71上。The main purpose of the present invention is to provide a positioning device (1) for a light guide plate, ', mainly for the side of the mounting frame of the light guide plate, which is convexly provided with one or more top portions' The top part of the frame is formed to form the two side ends of the light guide plate near the human light surface, and the positioning effect is 'completely formed, and the light guide plate and the receiving frame form a heat expansion and contraction of the light guide plate. Spacer. "The present invention provides a positioning device (1) for a light guide plate. The hunting device is provided with at least a concave portion at both ends of the lamp reflector, and the bearing member is provided with a position corresponding to the concave portion. The concave shape _ enables the light of the light guide plate to be positioned on the lion, and the _free lamp tube is broken due to the pressure contact of the light guide plate. [Embodiment] To make it easier for the review board to understand the present The structure of the invention and the achievable effects are as follows: First, referring to FIG. 6, the light guide plate positioning device (_) of the present invention is mainly applied to a surface light source device, the surface light source The device 3 includes at least one receiving frame 31, a reflective diaphragm 32, a light guide plate 3 3, a diffusion diaphragm 34, a diaphragm 35, a light source 36, and a lamp reflector 37. 9 1295353 The frame 3 1 has a chassis 3 1 1 , and a periphery of the chassis 3 is formed with a wall 312. The wall 312 defines an accommodating area 313, wherein the side wall 312 of the child receiving frame 31 is upward. The inner protrusion is provided with one or more top portions 3121, and the receiving frame 31 is disposed on the wall 3 of the lamp reflection 13 7 2 The two end sides are convexly provided with a retaining wall 3 i 2 2. The reflective diaphragm 3 2 'is mainly used to make the light source fully utilized to improve the phenomenon of light leakage. The light guide plate 3 3 is made of a light transmissive material. The plate body is made of a wedge-shaped plate body, and the light guide plate 33 has a light-emitting surface 31 and a reflection of 3 3 2 with respect to one of the light-emitting surfaces 3 3 并 and at least δ and one end surface is a light-incident surface 3 3 3, Wherein, the surface of the reflecting surface 323 is provided with a plurality of light guiding points 3 3 2 丨, and the area of the light guiding point 3 3 2 , 1 is, the density, the shape, etc., according to the light source of the light source 36 The light guide plate 3 3 is called, and the light % is determined to determine the layout condition of the light guide points 3 3 21. The diffusion film 3 4 ' is placed above the light exit surface 3 3 of the light guide plate 3 3 , The main purpose is to enhance the light, and the light source of the domain light source 36 is atomized. The cymbal 3 5 'system (4) corrects the direction of the light to achieve the effect of concentrating and the brightness of the front surface. It is placed on the outside of the human surface 333. 5 shot: 3 7 ' is a cover with opening and reflection function, the reflector of the lamp has been added to the side of the light source 36 for the light source 3 6 The emitted light reflecting guide 10 1295353 is inserted into the light guide plate 33, wherein the two ends of the lamp reflector 37 are provided with at least a recessed portion 3 71 corresponding to the retaining wall 312 2 of the receiving frame 31, and the blocking portion The wall 312 2 can be fitted to the recess 3 71.
本發明之面光源裝置3於組立時，係先將燈源3 6及燈反射 裔3 7設置於承置框31之一侧邊，並令承置框31之擋牆31 2 2肷设於燈反射器3 7之凹部3 71上，再將反射膜片3 2置 於承置框3 1之底盤3 11上，並依序將導光板33、擴散膜片 3 4、稜鏡片3 5置於承置框31中，此時，板牆312上之頂 制部3121係抵頂於導光板3 3近入光面3 3 3之二側邊，並 對導光板3 3形成一定位效果，且藉由凸出於承置框31上之頂 制部3 1 2 1可使縣板3 3及承置框3 :之板牆3 i 2形成一 間隙空間L，而可供日後導光板3 3有一熱服冷縮之空間，如圖 七所示；另導光板3 3之入光面3 3 3二側端則會抵τ頁於承置框 31之擋牆312 2，而不會直接與燈源3 6之電極3 6工接 觸’而使導光板3 3之四周方向皆完成一定位效果，如圖八所示。 本發明之功效在於，藉由於承置框3 1 _邊之板牆3丄2 上向内凸設-個或-個以上之頂制部3丄21，使導光板3冰 ^糾可形成—確實之核效果，且细該頂制部3 1 2 !來對 ==及幢31，312戦—隨町，使導 121 /承置框31^有—熱脹冷縮之空間，且該頂制部3 1川,頂制於導光板3 3近入光面3 3 3之二側邊，藉由呈模 1295353 形狀之導光板3 3其人絲3 3 3處之厚度較厚，日後受熱服冷 縮之變化為較小值，使該翻效材雜佳之穩定絲現。另藉 由於燈反辟3 7之二輕少妓1部3 7 i，並於承置框3 1對應於该凹部3 71之位置設有可嵌合於凹部3 7工之斤牆3 /2 2，使導光板3 3之人絲3 3 3二側端於定位後可抵田頂於 猶牆3 1 2 2上’以避免燈源3 6之燈管因導光板3 3之壓迫 而造成破裂。 、’τ、上所述’本發g神實可令面辆裝置巾之導光板獲得一較 k之疋位，更P鱗縣導光板定位之穩隨，且未見於市面，而 具有產業上之糊性、新雛及進步性之發明侧核准要件，爱 夬提出申明，羞明貝番查委員詳鑑，並賜核准專利之處分。 【圖式簡單說明】 圖一係習知面光源裝置之立體分解圖。 圖一係習知面光源裝置之組立示意圖。 圖二係習知導光板與承置框結合之示意圖。 圖四係另一習知面光源裝置之立體分解圖。 圖五係圖四之組合剖視圖。 圖六係本發明面光源裝置之立體分解圖。 圖七係本發明導光板與承置框之結合示意圖。 圖八係本發明導光板與承置框結合之另一示意圖。 【主要元件符號說明】 12 1295353 1面光源裝置When the surface light source device 3 of the present invention is assembled, the light source 36 and the light reflector 3 7 are first disposed on one side of the mounting frame 31, and the retaining wall 31 2 2 of the mounting frame 31 is disposed on the side. On the recess 3 71 of the lamp reflector 37, the reflective diaphragm 3 2 is placed on the chassis 3 11 of the mounting frame 31, and the light guide plate 33, the diffusion diaphragm 34, and the diaphragm 3 5 are sequentially placed. In the mounting frame 31, at this time, the top portion 3121 of the wall 312 is abutting against the two sides of the light guide plate 3 3 near the light surface 3 3 3 , and forms a positioning effect on the light guide plate 33 . And by forming the top plate 3 3 and the mounting frame 3: the wall 3 i 2 to form a gap space L by protruding from the top portion 3 1 2 1 of the receiving frame 31, the light guide plate 3 can be used for the future. 3 There is a space for the heat shrinking, as shown in Figure 7; the other side of the light guide 3 3 3 3 3 end will be against the retaining wall 31 2 2 of the mounting frame 31, and will not directly The contact with the electrode 3 6 of the light source 3 6 makes the positioning effect of the four directions of the light guide plate 3 3, as shown in FIG. The effect of the invention is that the light guide plate 3 can be formed by arranging one or more top portions 3丄21 inwardly on the panel wall 3丄2 of the mounting frame 3 1 _ The nuclear effect is indeed, and the top part 3 1 2 ! is the right == and the building 31,312 戦 - with the town, the guide 121 / the mounting frame 31 ^ has - the space of thermal expansion and contraction, and the top The forming portion 3 1 is formed on the two sides of the light guiding plate 3 3 near the light surface 3 3 3 , and the thickness of the human wire 3 3 3 is thickened by the light guide plate 3 3 having a shape of 1295535, and is heated in the future. The change in the shrinkage of the service is a small value, so that the stability of the turning effect is satisfactory. In addition, due to the light, the light is reversed, and the third portion of the recessed portion 3 71 is disposed at a position corresponding to the recessed portion 3 71. 2, the light guide plate 3 3 of the human wire 3 3 3 two-side end can be placed on the top of the wall 3 1 2 2 after the positioning to avoid the light source 3 6 of the lamp due to the pressure of the light guide plate 3 3 rupture. , 'τ, the above', the hair of the god can make the light guide plate of the face device towel get a niche position, and the position of the P-scale county light guide plate is stable, and it is not seen in the market, but has an industry. The pasteability, new chicks and progressive invention side approval requirements, Ai Wei proposed a statement, shame Ming Beppu committee members detailed, and granted the approval of patent points. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is an exploded perspective view of a conventional surface light source device. Figure 1 is a schematic diagram of the assembly of a conventional surface light source device. FIG. 2 is a schematic view showing a combination of a conventional light guide plate and a mounting frame. Figure 4 is an exploded perspective view of another conventional surface light source device. Figure 5 is a cross-sectional view of the combination of Figure 4. Figure 6 is a perspective exploded view of the surface light source device of the present invention. Figure 7 is a schematic view showing the combination of the light guide plate and the mounting frame of the present invention. Figure 8 is another schematic view of the light guide plate of the present invention combined with the mounting frame. [Main component symbol description] 12 1295353 1 surface light source device
2面光源裝置2-sided light source device
3面光源裝置 1 1承置框 1 1 2板牆 12反射膜片 12反射膜片 131出光面 13 21導光點 1 3 4凸耳 1 5棱鏡片 1 7燈反射器 2 1承置框 2 1 2板牆 2 2反射膜片 2 31出光面 2 3 21導光點 2 4擴散膜片 2 6燈源 2 7燈反射器3 1承置框 3 1 2板牆 312 2擋牆 3 3導光板 1 1 1底盤 113容置區 1 1 4凹槽 1 3導光板 13 2反射面 13 3入光面 14擴散膜片 1 6燈源2 1 1底盤 213容置區 2 3導光板 2 3 2反射面 2 3 3入光面 2 5稜鏡片2 6 1電極3 1 1底盤 3121頂制部 3 2反射膜片 3 31出光面 13 12953533 surface light source device 1 1 mounting frame 1 1 2 plate wall 12 reflective film 12 reflective film 131 light emitting surface 13 21 light guiding point 1 3 4 lug 1 5 prism sheet 1 7 lamp reflector 2 1 mounting frame 2 1 2 panel wall 2 2 reflective diaphragm 2 31 light emitting surface 2 3 21 light guiding point 2 4 diffusing diaphragm 2 6 light source 2 7 light reflector 3 1 mounting frame 3 1 2 plate wall 312 2 retaining wall 3 3 guide Light board 1 1 1 Chassis 113 accommodating area 1 1 4 recess 1 3 light guide plate 13 2 reflecting surface 13 3 light entering surface 14 diffusing diaphragm 1 6 light source 2 1 1 chassis 213 accommodating area 2 3 light guide plate 2 3 2 Reflecting surface 2 3 3 into the light surface 2 5 2 2 2 1 electrode 3 1 1 chassis 3121 top part 3 2 reflective diaphragm 3 31 light surface 13 1295353
3 3 2反射面 3 3 2 1導光點 3 3 3入光面 3 4擴散膜片 3 5稜鏡片 3 6燈源 3 61電極 3 7燈反射器 3 7 1凹部 143 3 2 reflecting surface 3 3 2 1 light guiding point 3 3 3 light entering surface 3 4 diffusing diaphragm 3 5 diaphragm 3 6 light source 3 61 electrode 3 7 lamp reflector 3 7 1 recess 14