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九、發明說明 【發明所屬之技術領域】 本發明是有關於一種背光模組及其應用，且特別是有關 於一種側邊入光式背光模組及其在液晶顯示裝置上之應用。 【先前技術】 請參照第1圖，其係繪示圖傳統液晶顯示裝置之剖面示 意圖。傳統之液晶顯不裝置100主要係由液晶顯不面板140 與背光模組138所構成，其中背光模組138設於液晶顯示面 板140之背面，以提供液晶顯示面板140背光源。液晶顯示 裝置100更包括前框132，其中前框132罩設在液晶顯示面 板140之外周緣上，以固定液晶顯示裝置100之内部構件。 習知之背光模組138係可為側邊入光式，一般包括背板 102、導光板116、光學’膜片組118以及光源模組106。背板 102係由底板142與數個側板144所組成，其中這些側板144 圍設在底板142之外周緣。導光板116則設於背板102之内 部且位於底板142之上，其中導光板116與背板102之側板 144之間更相隔一間距。光源模組106 —般係由基板108與 光源110所構成，其中光源110可為發光二極體元件，且基 板108通常為電路板以提供光源110支撐及與外界之電性連 接。光源模組106設置在導光板116之一側邊，且介於導光 板116之此側邊與背板102之相對應側板144之間，其中光 源模組106之基板108的一部分位於導光板116之外緣區與 背板102之底板142之間，以縮減液晶顯示裝置100之寬 度。一般而言，為提升液晶顯示裝置100之顯示面的光取出 200846777 效率，通常在導光板116之背面貼設反射片114，其中反射 片114介於導光板116與背板1〇2之底板142之間，且反射 片114之一側邊部分則夾設在導光板π6與光源模組1〇6 之基板108之間。此外，由於導光板116中僅有外圍之一小 部分由光源模組106之基板108所支撐，而絕大部分之導光 板116係懸在背板102之底板142之上方，並與底板142 之間具有一段空隙，因此需在導光板116與背板1〇2之底板 142之間額外設置數個支撐件112，其中這些支撐件112通 常係夾設在底板142與反射片114之間。 光學膜片組118疊設在導光板1Γ6之中央區上，亦即對 應於液晶顯示裝置100之顯示區域之處，以提升顯示面之顯 示品質。光學膜片組118通常包括稜鏡片120、擴散片122。 背光模組13 8 —般更包括膠框104，其中此膠框1 〇4沿著背 板102之側板144之的内側面而圍設在導光板116之外圍。 膠框104之材質通常為具有反射性之材料，以將光源11 〇 朝側板144發出的光反射至導光板ι16。 液晶顯示面板140則疊設在背光模組138之光學膜片組 118上。液晶顯示面板140通常包括下偏光片124、薄膜電 晶體基板126、彩色濾光片128、上偏光片130以及含設在 薄膜電晶體基板126與彩色濾光片128之間的液晶層（未繪 示於圖中）。其中，下偏光片124疊設在光學膜片組118上， 薄膜電晶體基板126疊設在下偏光片124上，彩色濾光片 128疊設在部分之薄膜電晶體基板126上並暴露出薄膜電晶 體基板126之外圍部分，而上偏光片13〇則疊設在彩色濾光 片128上。液晶顯示面板140通常包括驅動積體電路134, 200846777 其中驅動積體電路134設置在薄膜電晶體基板126之外圍區 域上。驅動積體電路134透過可撓性電路板136而與薄膜電 晶體基板126電性連接，其中可撓性電路板U6電性連接驅 動積體電路134與印刷電路板（未繪示），使得外部訊號得以 ，藉由p刷電路板經可撓性電路板136傳遞至薄膜電晶體基 ’ 板126，進而驅動液晶顯示面板14〇。 奴著液晶顯示技術的快速發展，現行之液晶顯示裝置仍 存在有改善空間，因此各個液晶面板廠商不斷地開發更高規 _ 。纩曰曰,、、、員不衣置’包括更輕薄或更高顯示品質之液晶顯示裝 t以期能滿足市場上對液晶顯示裝置之產品的期待，進而 提高產品之競爭優勢。 【發明内容】 因此，本發明之目的就是在提供一種背光模組，可有效 縮減模組之厚度與重量，使背光模組獲得更進一步的輕薄 化。 • 本發明之另一目的是在提供一種液晶顯示裝置，具有厚 度與重量均獲得縮減之背光模組，因此可使液晶顯示裝置之 規格獲得進一步之提升。 根據本發明之上述目的’提出一種背光模組，至少包 括·· -背板’至少包括一底板與複數個側板圍設在底板之外 周緣；—導光板設於背板上’其中導光板與背板之侧板中之 至1一者之間具有—空間；—光學膜片組疊設於導光板之一 出光表面之-中央區上；以及一光源模組，光源模組至少包 括-光源以及-基板，且光源設置於基板之—表面，其中基 200846777 板之表面相對並屋設在導光板之出光表面之—外緣區上，以 使光源位於空間中。 依…、本發明-奢乂佳實施例，上述之光源為發％二極體元 根據本發明之目的，提出-種液晶顯示裝i，至少包 月光核、、且至少包括：一背板至少包括一底板與複數 個側板圍設在底板之外周緣卜導光板設於背板上，直中導 光板與背板之側板中之至少一者之間具有一 Μ ^組疊設於導光板之_出&表面之—中央區上；以及一光源 杈組’光源模組至少包括一光源以及一基板，且光源設置於 基板之一表面，其中基板之表面相對並壓設在導光板之出光 表面之外緣區上，一液晶顯示面板疊設在光學膜片組與光 、原模、、且之Jl其巾液晶顯示面板與導光板之出光表面之外緣 區之間具有-間隔，且光源模組之基板之一部分夹設在此間 隔中；以及一前框罩設在液晶顯示面板之外緣上。 .依照本發明一較佳實施例，上述之液晶顯示面板至少包 括Y—薄膜電晶體基板疊設於光學膜片組與光源模組之上； 一衫色濾光片疊設於薄膜電晶體基板之一表面之一部分 上；一液晶層夾設在薄膜電晶體基板與彩色濾光片之間，·一 驅動積體電路設於薄膜電晶體基板之表面之另一部分上，·以 及一第一電路板設於驅動積體電路與薄膜電晶體基板之表 面之間。 【實施方式] 本發明揭露一種背光模組及其在液晶顯示裝置上的應 200846777 用。為了使本發明之敘述更加詳盡與完備，可參照下列描述 並配合第2圖之圖式。 請參照第2圖，其係繪示依照本發明一較佳實施例的一 種液晶顯示裝置之剖面示意圖。液晶顯示裝置2〇〇主要係由 液晶顯示面板212、背光模組21〇以及前框214所構成。其 中’为光模組210設於液晶顯示面板212之背面，以提供液 晶顯示面板212背光源，而前框214則罩設在液晶顯示面板 212之外緣上。前框214通常可與背光模組21〇結合，以固 定液晶顯示裝置200之内部構件。 在本示範實施例中，背光模組210係一側邊入光式背光 模組。背光模組210主要包括背板2〇2、導光板2丨6、光學 膜片組230以及光源模組220。背板202至少包括底板204 與數個側板206所組成，其中這些側板206圍設在底板204 之外周緣。在本示範實施例中，背板2〇2之底板2〇4係一矩 形框狀板。在其他實施例中，背板2〇2之底板2〇4可為整片 式之矩形板，亦即延伸在整個背光模組2丨〇之板狀結構。背 板202可由金屬板片或塑膠板片所組成。導光板216設置在 背板202之内部且覆蓋在底板2〇4之上。在本示範實施例 中，为光模組210更包括反射片2! 8，其中此反射片2 i 8設 置在導光板216之背面而為導光板216所壓制在背板2〇2 之底板204内側表面上，亦即反射片218係夾設在導光板 216之背面與底板204之内侧表面之間，以將射向底板2〇4 之光反射至液晶顯示裝置2〇〇之顯示面，來提升顯示面之光 取出率。在其他實施例中，當背板2〇2本身係採用具有反射 性之材質，或者背板202之底板2〇4與侧板2〇6之内側面已 9 200846777 塗佈有反射塗料，且底板204係整片式板狀結構時，可無需 額外設置反射片218。導光板216與背板2〇2之侧板2〇6: 間通常均具有一間隙。在本示範實施例中，導光板216與背 板202之至少一侧板206之間界定出一空間252，以供容置 光源模組220。 光學膜片組230 s設在導光板216之表面228的中央區: 上’其中導光板216之表面228的中央區在此係指對應於液 晶顯示裝置200之顯示區域的區域。由於背光模組21〇提供 鲁 予液晶顯示面板212之背光係經由導光板2丨6之表面 而射出，因此導光板216之表面228 一般亦稱為出光表面。 光學膜片組230通常係用以提升液晶顯示裝置2〇〇之顯示面 的光學品質，以進一步增進液晶顯示裝置2〇〇之顯示品質。 光學膜片組230中所採用之光學膜片的數量與種類可依產 品之需求來加以調整，在本示範實施例中之光學膜片組23〇 可例如包括稜鏡片232與擴散片234。在其他示範實施例 中，光學膜片組可由不同種類與數量之光學膜片所組成。在 _ 本示範實施例中，背光模組200更選擇性地包括膠框2〇8， 其中此膠框208通常係以卡置方式而固定在背板2〇2之側板 206的内側面，因此膠框208沿著背板202之側板2〇6之的 内側面而圍設在導光板216之外圍。因此，膠框2〇8介於導 光板216與背板202之側板206之間，而空間252則介於導 光板216與膠框208之間。由於空間252係供光源模組22〇 设置’因此膠框208亦介於光源模組220與背板202之一侧 板206之間。在其他實施例中，背光模組2⑽亦可不包括膠 框208，依產品之實際機構設計而定。在一示範實施例中， 10 200846777 膠框208之材質為具有反射性之材料，以將射向膠框2〇g 之光線朝内反射至導光板216，以提升光源模組220之發光 效率。 光源模組220至少包括基板222與光源224，其中光源 224可利用例如表面黏著技術而封裝固定在基.板222之表面 226上。在本示範實施例中，光源224為發光二極體元件， 基板222主要係用以支撐光源224並作為光源224與外界之 電性連接的橋樑，因此基板222可為電路板，例如金屬核心 # 印刷電路板（Metal Core Printed Circuit Board; MCPCB)或軟 性印刷電路板（Flexible PCB ; FPCB)。在本示範實施例中， 光源模組220係設置在導光板216與背板2〇2之侧板2〇6 間所構成的空間252中，且光源模組22〇係以倒覆的方式設 置在導光板216之表面228上的光學膜片組230以外的外緣 區上’因此光源模組220之基板222的表面226會與導光板 216之表面228相對，且基板222之表面226壓設在導光板 216之表面228的外緣區上，亦即基板222之表面226與導 • 光板216之表面228面對面壓合。其中，導光板216之表面 228的外緣區係相對於表面228的中央區而言，表面228的 外緣區位於表面228之中央區域的外圍，表面228之中央區 對應於液晶顯示裝置200之顯示區域，而表面228之外緣區 主要則係對應於液晶顯示裝置2〇〇之非顯示區域。在本示範 實施例中，光源模組220經倒覆設置後，光源224係懸吊在 膠框208與導光板216之間的空間252中，如第2圖所示。 液晶顯不面板212則疊設在背光模組21〇之光學膜片組 230上。在本示範實施例中，液晶顯示面板212至少包括電 11 200846777 晶體基板238、彩色濾光片240、以及含設在電晶體基板]% 與彩色濾光片240之間的液晶層（未繪示於圖中）。電晶體夷 板238疊設在光學膜片組230與光源模組220上，其中電曰 體基板238之範圍涵蓋在光源模組220與整個光學膜片組. 230上。在本示範實施例中，電晶體基板238可為薄膜電曰曰 '體（TFT)基板。彩色濾光片240疊設在電晶體基板23s之表 面244的中央區域上，並暴露出電晶體基板238之表面2料 的外圍區域，其中電晶體基板238之表面244的中央區域對 響 應於液晶顯示裝置200之顯示區域，而電晶體基板238之表 面244的外圍區域則對應於液晶顯示裝置2〇〇之非顯示區 域。選擇性地，液晶顯示面板212更包括有下偏光板236 與上偏光片242，其中下偏光板236疊設在光學膜片組23〇 上且介於光學膜片組230與電晶體基板238之間，而上偏光 片242則疊設在彩色濾光片240上。此時，前框214係壓設 在液晶顯示面板212之上偏光片242的外緣上。 液晶顯示面板212更包括驅動積體電路246與電路板 φ 248 ’且驅動積體電路246與電路板248係設置在電晶體基 板238之表面244的外圍區域上，其中電路板248係設置在 電晶體基板238之表面244上，驅動積體電路246則係設置 在電路板248上，亦即電路板248設置在驅動積體電路246 與電晶體基板238之表面244之間。在一實施例中，電路板 248可為一軟性印刷電路板。電晶體基板238與電路板248 電性連接，且驅動積體電路246亦與電路板248電性連接， 其中驅動積體電路246可透過電路板248而與電晶體基板 238電性連接。電路板248自電晶體基板23 8之表面244而 12 200846777 延伸於背板202之鄰近於光源模組220之側板206的外側’ 以使驅動積體電路246及電晶體基板238可透過電路板248 而與外部電路電性連接。 、 在本示範實施例中，當液晶顯示面板212設置在背光模 組210之光學膜片組230上時，導光板216之表面228的外 圍未受到光學膜片組230所覆蓋之區域與液晶顯示面板212 之電晶體基板238的背面之間具有間隔254,其中此間隔254 * · -. ' 之產生係由於光學膜片組230存在於電晶體基板238.與導光 Φ 板216之間，而將電晶體基板238與導光板216隔開一段相 當於光學膜片組230之厚度的距離所造成。由於電晶體基板 238之背面與導光板216之表面228之外緣區之間具有間隔 254，因此光源模組220之基板222的一部分可安置於間隔 254所提供之閒置空間中。因此，本示範實施例將光源模組 220倒置，而使光源224在下而基板222在上，如此一來， 即可將基板222之一部分設置在間隔254中。當液晶顯示面 板212疊設在背光模組21〇之光學膜片組23〇上之後，設置 Φ 在間隔254中之基板222部分即可夾設在電晶體基板238 之背面與導光板216之表面228外緣區之間所構成的間隔 254中。由於光源模組22〇之基板222夾設在電晶體基板 之背面與導光板216之表面228之間所形成之閒置空間内， ‘ 且整個光源模組220所佔用之空間完全位於導光板216侧邊 ' 與膠框208之間的空間252與間隔254所產生之閒置空間 中，因此光源模組22Ό在設置時，對背光模組21〇而言 會產生額外之厚度。 因此，相較於第i圖所示之傳統液晶顯示裝置1⑽，本 13 200846777 :範實施例之液晶顯示裝置⑽的背光模組加可縮減—個 ,1Λ, 与度可進—步縮減背光模組BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to a backlight module and an application thereof, and more particularly to a side-lit backlight module and its use in a liquid crystal display device. [Prior Art] Referring to Fig. 1, there is shown a cross-sectional view of a conventional liquid crystal display device. The conventional liquid crystal display device 100 is mainly composed of a liquid crystal display panel 140 and a backlight module 138. The backlight module 138 is disposed on the back surface of the liquid crystal display panel 140 to provide a backlight of the liquid crystal display panel 140. The liquid crystal display device 100 further includes a front frame 132, wherein the front frame 132 is disposed on the outer periphery of the liquid crystal display panel 140 to fix the internal components of the liquid crystal display device 100. The conventional backlight module 138 can be a side-input type, and generally includes a back plate 102, a light guide plate 116, an optical 'film set 118, and a light source module 106. The backing plate 102 is composed of a bottom plate 142 and a plurality of side plates 144, wherein the side plates 144 are disposed around the outer periphery of the bottom plate 142. The light guide plate 116 is disposed inside the back plate 102 and above the bottom plate 142, wherein the light guide plate 116 is spaced apart from the side plate 144 of the back plate 102 by a distance. The light source module 106 is generally composed of a substrate 108 and a light source 110. The light source 110 can be a light emitting diode element, and the substrate 108 is usually a circuit board to provide light source 110 support and electrical connection with the outside. The light source module 106 is disposed on one side of the light guide plate 116 and is disposed between the side of the light guide plate 116 and the corresponding side plate 144 of the back plate 102. A portion of the substrate 108 of the light source module 106 is located at the light guide plate 116. The outer edge region is spaced between the bottom plate 142 of the back plate 102 to reduce the width of the liquid crystal display device 100. In general, in order to improve the efficiency of the light extraction 200846777 on the display surface of the liquid crystal display device 100, a reflective sheet 114 is generally disposed on the back surface of the light guide plate 116, wherein the reflective sheet 114 is interposed between the light guide plate 116 and the bottom plate 142 of the back plate 1〇2. The side portion of the reflective sheet 114 is interposed between the light guide plate π6 and the substrate 108 of the light source module 1〇6. In addition, since only a small portion of the periphery of the light guide plate 116 is supported by the substrate 108 of the light source module 106, most of the light guide plate 116 is suspended above the bottom plate 142 of the back plate 102, and is connected to the bottom plate 142 of the back plate 102. There is a gap between the light guide plate 116 and the bottom plate 142 of the back plate 1〇2, and the support members 112 are usually sandwiched between the bottom plate 142 and the reflection sheet 114. The optical film group 118 is superposed on the central portion of the light guide plate 1Γ6, that is, corresponding to the display area of the liquid crystal display device 100, to improve the display quality of the display surface. The optical film set 118 generally includes a cymbal 120, a diffuser 122. The backlight module 13 8 further includes a plastic frame 104, wherein the plastic frame 1 〇 4 is disposed around the inner side of the side plate 144 of the back plate 102 around the periphery of the light guide plate 116. The material of the plastic frame 104 is usually a reflective material to reflect the light emitted from the light source 11 朝 toward the side plate 144 to the light guide plate ι16. The liquid crystal display panel 140 is stacked on the optical film set 118 of the backlight module 138. The liquid crystal display panel 140 generally includes a lower polarizer 124, a thin film transistor substrate 126, a color filter 128, an upper polarizer 130, and a liquid crystal layer disposed between the thin film transistor substrate 126 and the color filter 128 (not drawn) Shown in the picture). The lower polarizer 124 is stacked on the optical film group 118. The thin film transistor substrate 126 is stacked on the lower polarizer 124. The color filter 128 is stacked on a portion of the thin film transistor substrate 126 to expose the thin film. The peripheral portion of the crystal substrate 126, and the upper polarizer 13 is stacked on the color filter 128. The liquid crystal display panel 140 generally includes a driver integrated circuit 134, 200846777, in which the driver integrated circuit 134 is disposed on a peripheral region of the thin film transistor substrate 126. The driving integrated circuit 134 is electrically connected to the thin film transistor substrate 126 through the flexible circuit board 136. The flexible circuit board U6 is electrically connected to the driving integrated circuit 134 and the printed circuit board (not shown) to make the external The signal is transmitted to the thin film transistor base plate 126 via the flexible circuit board 136 via the p-brush circuit board, thereby driving the liquid crystal display panel 14A. Slaves the rapid development of liquid crystal display technology, there is still room for improvement in the current liquid crystal display devices, so various LCD panel manufacturers continue to develop higher specifications.纩曰曰,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, SUMMARY OF THE INVENTION Therefore, the object of the present invention is to provide a backlight module, which can effectively reduce the thickness and weight of the module, and further reduce the thickness of the backlight module. Another object of the present invention is to provide a liquid crystal display device having a backlight module which is reduced in thickness and weight, thereby further improving the specification of the liquid crystal display device. According to the above object of the present invention, a backlight module is provided, comprising at least a backplane comprising at least one bottom plate and a plurality of side plates surrounding a periphery of the bottom plate; the light guide plate is disposed on the back plate, wherein the light guide plate and the light guide plate are disposed One of the side plates of the backboard has a space between the ones; the optical film set is superposed on a central region of one of the light-emitting surfaces of the light guide plate; and a light source module, the light source module includes at least a light source And a substrate, wherein the light source is disposed on the surface of the substrate, wherein the surface of the base 200846777 is oppositely disposed on the outer edge region of the light-emitting surface of the light guide plate, so that the light source is located in the space. According to the invention, the above-mentioned light source is a hair-emitting diode. According to the purpose of the present invention, a liquid crystal display device i is provided, which comprises at least a moon light core, and at least comprises: a back plate at least The utility model comprises a bottom plate and a plurality of side plates disposed around the periphery of the bottom plate, wherein the light guide plate is disposed on the back plate, and at least one of the straight middle light guide plate and the side plate of the back plate has a stack of the light guide plate. The light source module includes at least one light source and a substrate, and the light source is disposed on a surface of the substrate, wherein the surface of the substrate is opposite to and pressed against the light guide plate a liquid crystal display panel is disposed on the outer edge of the surface, and is disposed between the optical film group and the light, the original mold, and the outer edge region of the light-emitting surface of the liquid crystal display panel and the light guide plate. One part of the substrate of the light source module is sandwiched in the space; and a front frame cover is disposed on the outer edge of the liquid crystal display panel. According to a preferred embodiment of the present invention, the liquid crystal display panel comprises at least a Y-film transistor substrate stacked on the optical film group and the light source module; and a shirt color filter stacked on the thin film transistor substrate One of the surfaces is partially disposed; a liquid crystal layer is interposed between the thin film transistor substrate and the color filter, and a driving integrated circuit is disposed on another portion of the surface of the thin film transistor substrate, and a first circuit The board is disposed between the driving integrated circuit and the surface of the thin film transistor substrate. [Embodiment] The present invention discloses a backlight module and its application to a liquid crystal display device for 200846777. In order to make the description of the present invention more detailed and complete, reference is made to the following description in conjunction with the drawings of Figure 2. Referring to FIG. 2, a cross-sectional view of a liquid crystal display device in accordance with a preferred embodiment of the present invention is shown. The liquid crystal display device 2 is mainly composed of a liquid crystal display panel 212, a backlight module 21A, and a front frame 214. The optical module 210 is disposed on the back surface of the liquid crystal display panel 212 to provide a backlight of the liquid crystal display panel 212, and the front frame 214 is disposed on the outer edge of the liquid crystal display panel 212. The front frame 214 can generally be combined with the backlight module 21A to secure the internal components of the liquid crystal display device 200. In the exemplary embodiment, the backlight module 210 is a side-lit optical backlight module. The backlight module 210 mainly includes a back plate 2〇2, a light guide plate 2丨6, an optical film group 230, and a light source module 220. The backing plate 202 includes at least a bottom plate 204 and a plurality of side plates 206, wherein the side plates 206 are disposed around the outer periphery of the bottom plate 204. In the present exemplary embodiment, the bottom plate 2〇4 of the backing plate 2〇2 is a rectangular frame plate. In other embodiments, the bottom plate 2〇4 of the backing plate 2〇2 may be a rectangular plate of a whole piece, that is, a plate-like structure extending over the entire backlight module 2丨〇. The back plate 202 may be composed of a metal plate or a plastic plate. The light guide plate 216 is disposed inside the back plate 202 and overlies the bottom plate 2〇4. In the exemplary embodiment, the optical module 210 further includes a reflective sheet 2! 8, wherein the reflective sheet 2 i 8 is disposed on the back surface of the light guide plate 216 and is pressed by the light guide plate 216 on the bottom plate 204 of the back plate 2〇2. The inner surface, that is, the reflective sheet 218 is interposed between the back surface of the light guide plate 216 and the inner surface of the bottom plate 204 to reflect the light incident on the bottom plate 2〇4 to the display surface of the liquid crystal display device 2〇〇. Increase the light extraction rate of the display surface. In other embodiments, when the backing plate 2〇2 itself is made of a reflective material, or the bottom surface 2〇4 of the backing plate 202 and the inner side surface of the side plate 2〇6 are coated with reflective paint, and the bottom plate is When the 204-series is a one-piece plate-like structure, it is not necessary to additionally provide the reflection sheet 218. The light guide plate 216 and the side plates 2〇6 of the back plate 2〇2 generally have a gap therebetween. In the exemplary embodiment, a space 252 is defined between the light guide plate 216 and at least one side plate 206 of the back plate 202 for accommodating the light source module 220. The optical film set 230 s is disposed in the central portion of the surface 228 of the light guide plate 216: The upper central portion of the surface 228 of the light guide plate 216 herein refers to the area corresponding to the display area of the liquid crystal display device 200. Since the backlight module 21 〇 provides the backlight of the liquid crystal display panel 212 to be emitted through the surface of the light guide plate 丨6, the surface 228 of the light guide plate 216 is also generally referred to as a light-emitting surface. The optical film set 230 is generally used to enhance the optical quality of the display surface of the liquid crystal display device 2 to further enhance the display quality of the liquid crystal display device 2. The number and type of optical films used in the optical film set 230 can be adjusted depending on the needs of the product. The optical film set 23 in the present exemplary embodiment can include, for example, a slab 232 and a diffusion sheet 234. In other exemplary embodiments, the optical film set can be comprised of different types and quantities of optical films. In the exemplary embodiment, the backlight module 200 further includes a plastic frame 2〇8, wherein the plastic frame 208 is generally fixed to the inner side of the side plate 206 of the back plate 2〇2 in a clamping manner, thus The plastic frame 208 is disposed around the outer side of the side plate 2〇6 of the back plate 202 around the periphery of the light guide plate 216. Therefore, the plastic frame 2〇8 is interposed between the light guide plate 216 and the side plate 206 of the back plate 202, and the space 252 is interposed between the light guide plate 216 and the plastic frame 208. Since the space 252 is provided for the light source module 22', the plastic frame 208 is also interposed between the light source module 220 and one of the side plates 206 of the back plate 202. In other embodiments, the backlight module 2 (10) may not include the plastic frame 208, depending on the actual mechanical design of the product. In an exemplary embodiment, 10 200846777 is made of a reflective material to reflect the light that is directed toward the frame 2 〇g toward the light guide plate 216 to improve the luminous efficiency of the light source module 220. The light source module 220 includes at least a substrate 222 and a light source 224, wherein the light source 224 can be packaged and fixed on the surface 226 of the base plate 222 by, for example, surface adhesion technology. In the exemplary embodiment, the light source 224 is a light emitting diode element, and the substrate 222 is mainly used to support the light source 224 and serve as a bridge between the light source 224 and the outside. Therefore, the substrate 222 can be a circuit board, such as a metal core. Metal Core Printed Circuit Board (MCPCB) or Flexible Printed Circuit Board (FPCB). In the exemplary embodiment, the light source module 220 is disposed in a space 252 formed between the light guide plate 216 and the side plates 2〇6 of the back plate 2〇2, and the light source module 22 is disposed in an inverted manner. On the outer edge region other than the optical film group 230 on the surface 228 of the light guide plate 216, the surface 226 of the substrate 222 of the light source module 220 is opposite to the surface 228 of the light guide plate 216, and the surface 226 of the substrate 222 is pressed. On the outer edge region of the surface 228 of the light guide plate 216, that is, the surface 226 of the substrate 222 is pressed face to face with the surface 228 of the light guide plate 216. Wherein, the outer edge region of the surface 228 of the light guide plate 216 is opposite to the central region of the surface 228, the outer edge region of the surface 228 is located at the periphery of the central region of the surface 228, and the central region of the surface 228 corresponds to the liquid crystal display device 200. The display area, while the outer edge area of the surface 228 is mainly corresponding to the non-display area of the liquid crystal display device 2''. In the exemplary embodiment, after the light source module 220 is overturned, the light source 224 is suspended in the space 252 between the plastic frame 208 and the light guide plate 216, as shown in FIG. The liquid crystal display panel 212 is stacked on the optical film group 230 of the backlight module 21A. In the exemplary embodiment, the liquid crystal display panel 212 includes at least a power 11 200846777 crystal substrate 238 , a color filter 240 , and a liquid crystal layer disposed between the transistor substrate % and the color filter 240 (not shown) In the picture). The plasma plate 238 is stacked on the optical film set 230 and the light source module 220. The range of the electrical body substrate 238 is included in the light source module 220 and the entire optical film set 230. In the exemplary embodiment, the transistor substrate 238 may be a thin film electric (TFT) substrate. The color filter 240 is stacked on a central region of the surface 244 of the transistor substrate 23s and exposes a peripheral region of the surface of the transistor substrate 238, wherein the central region of the surface 244 of the transistor substrate 238 is responsive to the liquid crystal. The display area of the display device 200, and the peripheral area of the surface 244 of the transistor substrate 238 corresponds to the non-display area of the liquid crystal display device 2''. Optionally, the liquid crystal display panel 212 further includes a lower polarizing plate 236 and an upper polarizing plate 242, wherein the lower polarizing plate 236 is stacked on the optical film group 23A and interposed between the optical film group 230 and the transistor substrate 238. The upper polarizer 242 is stacked on the color filter 240. At this time, the front frame 214 is pressed against the outer edge of the polarizer 242 above the liquid crystal display panel 212. The liquid crystal display panel 212 further includes a driving integrated circuit 246 and a circuit board φ 248 ′ and the driving integrated circuit 246 and the circuit board 248 are disposed on a peripheral region of the surface 244 of the transistor substrate 238 , wherein the circuit board 248 is disposed in the electrical On the surface 244 of the crystal substrate 238, the driving integrated circuit 246 is disposed on the circuit board 248, that is, the circuit board 248 is disposed between the driving integrated circuit 246 and the surface 244 of the transistor substrate 238. In one embodiment, circuit board 248 can be a flexible printed circuit board. The transistor substrate 238 is electrically connected to the circuit board 248, and the driving integrated circuit 246 is also electrically connected to the circuit board 248. The driving integrated circuit 246 is electrically connected to the transistor substrate 238 through the circuit board 248. The circuit board 248 extends from the surface 244 of the transistor substrate 283 and 12 200846777 extends to the outer side of the side plate 206 of the backplane 202 adjacent to the light source module 220 such that the driving integrated circuit 246 and the transistor substrate 238 are permeable to the circuit board 248. It is electrically connected to an external circuit. In the exemplary embodiment, when the liquid crystal display panel 212 is disposed on the optical film set 230 of the backlight module 210, the periphery of the surface 228 of the light guide plate 216 is not covered by the optical film group 230 and the liquid crystal display. There is a space 254 between the back surface of the transistor substrate 238 of the panel 212, wherein the interval 254*.-.' is generated because the optical film group 230 exists between the transistor substrate 238. and the light guiding plate 216. The transistor substrate 238 is separated from the light guide plate 216 by a distance corresponding to the thickness of the optical film group 230. Since there is a space 254 between the back surface of the transistor substrate 238 and the outer edge region of the surface 228 of the light guide plate 216, a portion of the substrate 222 of the light source module 220 can be disposed in the free space provided by the space 254. Therefore, the exemplary embodiment inverts the light source module 220 such that the light source 224 is below and the substrate 222 is on, so that a portion of the substrate 222 can be disposed in the space 254. After the liquid crystal display panel 212 is stacked on the optical film group 23 of the backlight module 21, the portion of the substrate 222 disposed in the interval 254 can be disposed on the back surface of the transistor substrate 238 and the surface of the light guide plate 216. 228 is formed in the interval 254 between the outer edge regions. The substrate 222 of the light source module 22 is disposed in the idle space formed between the back surface of the transistor substrate and the surface 228 of the light guide plate 216, and the space occupied by the entire light source module 220 is completely located on the side of the light guide plate 216. The space 252 between the edge and the plastic frame 208 and the space 254 are generated in the idle space. Therefore, when the light source module 22 is disposed, an additional thickness is generated for the backlight module 21A. Therefore, compared with the conventional liquid crystal display device 1 (10) shown in FIG. 19, the backlight module of the liquid crystal display device (10) of the embodiment can be reduced by one, one turn, and the degree can be stepped down to reduce the backlight mode. group
㈣與液晶顯示裝的厚度，有效提升液晶顯示裝置扇 之產品規格。此外，本示範實施例之液晶顯示裝置可盔 需如傳統液晶顯示裝置100般，還要額外設置支撐件 來支樓導光板116。因此，運用本示範實施例之發明可減少 背光模組21G所需之零組件，不僅可簡化f光模組2ι〇之植 裝程序，更可降低零組件管理的複雜性，進而可降低液晶顯 ;不裝置200之製作成本。再者，光源模组22〇之基板222 設置在電晶體基板2 3 8與導光板2丨6之表面2 2 8之間所形成 間隔254内，基板222可擋住光源以之光線，使光源以 所發出之光線不致於直接經由間隔254與間隔254上方之液 晶顯示面板2丨2而從液晶顯示裝置2〇〇之顯示區域射出，如 此一來’可避免顯示區域邊緣出現亮帶的亮度分布不均現 象0 液晶顯不裝置200 —般更包括電路板25〇，其中此電路 板250 ;|於膠框208與電路板248之間，且此電路板250 與電路板248電性連接。在一示範實施例中，電路板25〇 可為一印刷電路板。藉由將電路板25〇設置在液晶顯示面板 212之下側，且使電路板25〇延伸在液晶顯示裝置2⑽之側 邊而不延伸至液晶顯示面板2〇〇之底面，可進一步縮減液晶 顯示裝置200之厚度。 由上述本發明示範實施例可知，本發明之背光模組之一 優點就是因為本發明可有效縮減模組之厚度與重量，因此可 使月光模組獲得更進一步的輕薄化。 14 200846777 由上述本發明示範實施例可知，本發明之液晶顯示裝置 之一優點就是因為具有厚度與重量均獲得縮減之背光模 組，因此可使液晶顯示裝置之規格獲得進一步之提升。、 • —雖然本發明已以一較佳實施例揭露如上，然其並非用以 限定本發明，任何在此技術領域中具有通常知識者，在不脫 •離本發明之精神和㈣内，當可作各種之更動與潤飾，因此 本發明之保護範圍當視後附之申請專利範圍所界定者為準。 ❿ 【圖式簡單說明】 第1圖係繪示圖傳統液晶顯示裝置之剖面示意圖。 第2圖係繪示依照本發明一較佳實施例的一種液晶顯 示裝置之剖面示意圖。 【主要元件符號說明】 100 :液晶顯示裝置 102 ： 背板 104 :膠框 106 ： 光源模組 10 8 :基板 110 ： 光源 112 :支撐件 114 ： 反射片 116 :導光板 118 ： 光學膜片組 120 :稜鏡片 122 ： 擴散片 124 :下偏光片 126 ： 薄膜電晶體基板 128 :彩色濾光片 130 ： 上偏光片 132 :前框 134 ： 驅動積體電路 136 :可撓性電路板 138 ： 背光模組 14 0 ·液晶顯不面板 142 ： 底板 15 200846777 144 :側板 202 ··背板 206 :側板 210 :背光模組 214 :前框 218 :反射片 222 :基板 226 :表面 230 :光學膜片組 234 :擴散片 238 :電晶體基板 242 :上偏光片 246 :驅動積體電路 250 :電路板 254 :間隔 200 :液晶顯示裝置 204 :底板 208 :膠框 212 :液晶顯示面板 216 :導光板 220 :光源模組 224:光源 228 :表面 232 :稜鏡片 236 :下偏光片 240 :彩色濾光片 244 :表面 248 :電路板 252 :空間(4) With the thickness of the liquid crystal display device, the product specifications of the liquid crystal display device fan are effectively improved. Further, the liquid crystal display device of the exemplary embodiment can be shielded as in the case of the conventional liquid crystal display device 100, and an additional support member is provided to support the light guide plate 116. Therefore, the invention of the exemplary embodiment can reduce the components required for the backlight module 21G, not only simplify the fusing process of the f-light module 2 ι, but also reduce the complexity of component management, thereby reducing the liquid crystal display. ; does not install 200 production costs. Furthermore, the substrate 222 of the light source module 22 is disposed in a space 254 formed between the surface of the transistor substrate 238 and the surface 2 2 8 of the light guide plate 丨6, and the substrate 222 blocks the light source to make the light source The emitted light is not directly emitted from the display area of the liquid crystal display device 2 through the liquid crystal display panel 2丨2 above the interval 254 and the interval 254, so that the brightness distribution of the bright band at the edge of the display area can be avoided. The phenomenon of the liquid crystal display device 200 generally includes a circuit board 25A, wherein the circuit board 250 is disposed between the plastic frame 208 and the circuit board 248, and the circuit board 250 is electrically connected to the circuit board 248. In an exemplary embodiment, circuit board 25A can be a printed circuit board. Further, the liquid crystal display can be further reduced by disposing the circuit board 25 on the lower side of the liquid crystal display panel 212 and extending the circuit board 25 on the side of the liquid crystal display device 2 (10) without extending to the bottom surface of the liquid crystal display panel 2 The thickness of the device 200. It can be seen from the above exemplary embodiments of the present invention that one of the advantages of the backlight module of the present invention is that the thickness and weight of the module can be effectively reduced, so that the moonlight module can be further thinned and thinned. 14 200846777 It is apparent from the above-described exemplary embodiments of the present invention that one of the advantages of the liquid crystal display device of the present invention is that the size of the liquid crystal display device can be further improved by having a backlight module having a reduced thickness and weight. The present invention has been disclosed in a preferred embodiment as above, but is not intended to limit the invention, and any person having ordinary skill in the art, without departing from the spirit of the invention and (d), Various changes and modifications may be made, and the scope of the invention is defined by the scope of the appended claims. ❿ [Simple description of the drawings] Fig. 1 is a schematic cross-sectional view showing a conventional liquid crystal display device. Figure 2 is a cross-sectional view showing a liquid crystal display device in accordance with a preferred embodiment of the present invention. [Main component symbol description] 100 : Liquid crystal display device 102 : Back plate 104 : Plastic frame 106 : Light source module 10 8 : Substrate 110 : Light source 112 : Support member 114 : Reflecting sheet 116 : Light guide plate 118 : Optical film group 120 : 稜鏡 122 : Diffusion sheet 124 : Lower polarizer 126 : Thin film transistor substrate 128 : Color filter 130 : Upper polarizer 132 : Front frame 134 : Drive integrated circuit 136 : Flexible circuit board 138 : Backlight mode Group 14 0 · Liquid crystal display panel 142 : Base plate 15 200846777 144 : Side plate 202 · Back plate 206 : Side plate 210 : Backlight module 214 : Front frame 218 : Reflecting sheet 222 : Substrate 226 : Surface 230 : Optical film set 234 : diffusion sheet 238 : transistor substrate 242 : upper polarizer 246 : driving integrated circuit 250 : circuit board 254 : interval 200 : liquid crystal display device 204 : bottom plate 208 : plastic frame 212 : liquid crystal display panel 216 : light guide plate 220 : light source Module 224: Light source 228: Surface 232: 稜鏡 236: Lower polarizer 240: Color filter 244: Surface 248: Circuit board 252: Space
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