九、發明說明： 【發明所屬之技術領域】 本發明是有關於-種液晶顯示器，且特別是有關於液 晶顯示器中的可撓性背光模組結構。 【先前技術】 液晶顯示器具有高晝質、體積小、重量輕、低電壓驅 動、低消耗功率及應用範圍廣等優點，因此已廣泛地應用 於可攜式電視、行動電話、攝錄放影機、筆記型電腦、桌 上型顯示器、以及投影電視等消費性電子或電腦產品卜、 成為顯示器的主流》 隨著製造科技的精進，目前液晶顯示器中的玻璃厚度 越來越薄。而隨著玻璃厚度越薄，理論上液晶顯示器的^ 性應會有所增加，使得製造者能夠將液晶顯示器加工彎曲 成想要的形狀》 然而，由於傳統液晶顯示器中背光結構的撓性不足， 因此製造者在加工彎曲液晶顯示器時，仍然會遭遇難以彎 曲甚至是無法彎曲的問題。 【發明内容】 本發明之-技術態樣為一種背光結構，其係以可撓曲 的緩衝片與邊緣緩衝材來取代原本堅硬㈣框，藉此增益 整個背光結構的可撓性。 s 本發明背光結構之-實施例包含殼體、緩衝片、導光 1373669 板與邊緣緩衝材。其中，緩衝片舖設於殼體之底面。導光 板a又置於緩衝片上。邊緣缓衝材設置於殼體中，丘位於導 光板上。 本發明之另一技術態樣為上述背光結構的製造方法。 本發明背光結構的製造方法之一實施例包含下列步 驟： (1) 提供殼體。 (2) 於殼體之底面鋪設缓衝片。 (3) 於緩衝片上設置導光板。 (4) 於導光板的至少一邊上設置邊緣緩衝材。 【實施方式】 第1圖係依照本發明之實施例繪示一液晶顯示器1〇〇 的立體圖。第2圖繪示第1圖之液晶顯示器ι〇〇的爆炸圖。 如圖所示’本發明一實施例係揭露上述液晶顯示器1〇〇之 背光結構’此背光結構包含殼體110、緩衝片120、導光板 140與邊緣緩衝材132。其中’緩衝片120鋪設於殼體11〇 之底面112。導光板140設置於緩衝片120上。邊緣緩衝材 132設置於殼體11〇中，且位於導光板14〇上。 具體而言’上述之邊緣緩衝材132係壓制導光板140 的至少一邊，在本實施例中邊緣緩衝材132係採直接接觸 的方式壓制導光板140。亦即，導光板140的側邊將會夹在 邊緣緩衝材132與緩衝片120中間。 第3圖繪示沿著第1圖之線段3剖開的剖面圖。由於 1373669 本實施例巾邊緣緩騎132係為階梯形的結構，在第3圖 中，線段3主要係自階梯形邊緣緩衝材132最高處剖開， 如圖所不，邊緣緩衝材132可具有至少一凹口 133，而導光 板140則具有至少—凸緣142。在使用時導光板⑽之凸 緣142將敌入邊緣緩衝材132之凹口 133巾，以徹底固定 導光板140的位置。 此外，若導光板140的側面與殼體11〇之間具有空隙， 製造者亦可選擇在導光板14〇的側面與殼體ιι〇之間設置 緩衝條136’卩避免導光板14〇產生晃動的問題。舉第2 圖為例，由於邊緣緩衝材132僅壓制導光板14〇的左邊， 因此製造者可選擇加裝一對緩衝條Π6於導光板的左 右兩側，以加強導光板！ 4〇的固定。 上述之邊緣緩衝材132與緩衝條136的材質均可為發 泡材料，例如：INOAC公司所出品的POR〇N。應瞭解到， 以上所述之邊緣緩衝材132與緩衝條136的配置與材質均 僅為例示，並非用以限制本發明’本發明所屬技術領域中 具有通常知識者，應可根據實際需要彈性選擇邊緣緩衝材 132與緩衝條136的實施方式。 當然，上述之緩衝片120的材質亦可為發泡材料，例 如.INOAC公司所出品的p〇r〇n。或者’製造者亦可直 接應用反射片來作為緩衝片120。如此一來，緩衝片12〇 將具有面向導光板140之一反射面122,讓射入導光板14〇 的光線能夠充分反射至導光板140的出光面144。在實務 上，製造者可選擇白色或銀色來作為反射面122的顏色。 1373669 為了進一步增進背光結構的可撓性，製造者可選擇記 憶合金作為殼體110的材質，例如錄鈦合金或録欽銘合金。 以下表一列出這兩種合金的成分與形狀回復溫度 (Shape-recovery temperature)。惟應瞭解到，以上所舉的殼 體110材質僅為例示’殼體110的材質也可以是其它撓性 材料，本發明所屬技術領域中具有通常知識者，應視實際 需要彈性選擇之。 合金 鎳含量 鈥含量 钻含量 形狀回復溫度 種類 (wt%) (wt%) (wt%) (°C) 鎳鈦 合金 54〜56 剩餘量 - 20〜60 鎳鈦鈷 一合金 53〜55 剩餘量 1〜3 _3 0〜3 0 表一合金的成分與形狀回復溫度 此外’在本實施例中，導光板140的材質可為聚碳酸 酯（polycarbonate ; PC)、聚對苯二曱酸乙二酯（p〇lyethylene terephthalate ； PET)或石夕樹脂（silicone)等可彎曲之透明材 質’且此導光板140的厚度可介於約0.25〜〇.5 mm，以確 保整個背光結構都能夠彎曲加工。應瞭解到，「約」係用以 修飾任何可些微變化的數量，但這種些微變化並不會改變 其本質。舉例來說，「導光板14〇的厚度可介於約〇 25〜〇 5 mmj，此—描述除了代表導光板140的厚度確實介於〇25 二外’只要導光板140能夠彎曲加工，導光板MO 的厚度亦可略小於G.25mm，或略大於Q 5mm導先板_ 下將術態樣為上述背光結構的製造方法。以 第9圖為例，以具體說明如何實施以上技術内容。 ，照第4圖’製造者可先提供-殼體110。此殼體110 =材質可為記憶合金，例如鎳鈦合金與鎳鈦鈷合金苴成 为與形狀回復溫度均已記載於表—中，在此不再重複資述 之。 參照第5圖，接著製造者可於殼體u〇之底面112鋪 設7緩衝片12〇。此緩衝片12〇的材質可為發泡材料，例 INOAC a司所出品的p〇R〇N，或者直接應用反射片來 作為緩衝片120 ^ 參照第6圖，製造者可於緩衝片12〇上設置導光板 140。此導光板14〇的材質可為聚碳酸酯（p〇iycarb〇nate; PC)、聚對本一曱酸乙二酯（polyethylene terephthalate; PET) 或矽樹脂（silicone)等可彎曲之透明材質。此外，製造者可 選擇以捲轴式製程（roll to roll process)來製造導光板14〇， 使得導光板140的厚度介於約〇·25〜0.5 mm，甚至更薄， 以利於彎曲加工。 參照第7圖’接著製造者可於導光板14〇的侧邊設置 光源模組150。在本實施例中，上述之光源模組丨5〇為發光 二極體（Light Emitting Diode ; LED)模組，但此並不限制 本發明，其他適當的光源，也都可以是光源模組150的實 施方式之一。 1373669 參照第8圖，然後製造者可於導光板〖4〇的至少一邊 上設置邊緣缓衝材132»上述之邊緣緩衝材132會將導光板 140的側邊夹在邊緣緩衝材132與緩衝片12〇中間以固定 導光板140的位置。在本實施例中’邊緣緩衝材132的材 質可為發泡材料，例如：INOAC公司所出品的p〇R〇N。 此外，製造者亦可在此時於光源模組15〇上覆蓋一緩 衝塊134’以保護光源模組15〇免受外力衝擊的影響。在本 實施例中，緩衝塊B4的材質可為發泡材料，例如：θΙΝ〇Αϋ 公司所出品的PORON。 參照第9圖，製造者可選擇在導光板14〇的側面與殼 體110之間設置緩衝條136,以避免導光板14〇產生晃動的 問題1第9 ®為例’由於邊緣緩衝材132僅壓制導光板 140的左邊，因此製造者可選擇加裝—對緩衝條136於導光 板140的左右兩側，以加強導光板14〇的固定。在本實施 例中’緩衝條136的材質亦可為發泡材料，例如：in〇ac 公司所出品的PORON。 如第1圖與第2圖所繪示’在實際應用時製造者可 將複數個鮮膜片160堆疊於邊緣緩衝材132、緩衝條US 與緩衝塊134所構成的口字型結構上，並以遮光膝帶17〇 黏合固^，即可完成背光模組的製作。由於這樣的背光模 組並不具有剛性元件’因此製造者可輕易崎曲此背光模 組。如此-來，製造者只要在此背光模組上安裝可彎曲的 液晶面板⑽，即可順利實現弧形或彎㈣㈣晶顯示器 10 丄川669 雖然本發明已以實施例揭露如上，然其並非用以限定 本發明，任何熟習此技藝者，在不脫離本發明之精神和範 圍内，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。 【圖式簡單說明】 第1圖係依照本發明之實施例繪示一液晶顯示器的立 體圖。 第2圖緣示第1圖之液晶顯示器的爆炸圖》 第3圖繪示沿著第1圖之線段3剖開的剖面圖。 第4-9圖繪示第丨圓之液晶顯示器的部分製造流程示 意圖。 【主要元件符號說明】 3 :線段 100 :液晶顯示器 u〇 :殼體 112 :底面 120 :緩衝片 122 :反射面 132 :邊緣緩衝材 133 :凹口. 134 :緩衝塊 緩衝條 136 1373669 140 導光板 142 凸緣 144 出光面 150 光源模組 160 光學膜片 170 遮光膠帶 180 液晶面板IX. Description of the Invention: [Technical Field] The present invention relates to a liquid crystal display, and more particularly to a flexible backlight module structure in a liquid crystal display. [Prior Art] Liquid crystal displays have high enamel quality, small size, light weight, low voltage drive, low power consumption and wide application range, so they have been widely used in portable TVs, mobile phones, video recorders. Consumer electronic or computer products such as notebook computers, desktop monitors, and projection TVs have become the mainstream of displays. With the advancement of manufacturing technology, the thickness of glass in liquid crystal displays is getting thinner and thinner. As the thickness of the glass is thinner, theoretically, the liquid crystal display should be increased, so that the manufacturer can bend the liquid crystal display into a desired shape. However, due to the lack of flexibility of the backlight structure in the conventional liquid crystal display, Therefore, when processing a curved liquid crystal display, the manufacturer still encounters problems that are difficult to bend or even bend. SUMMARY OF THE INVENTION The technical aspect of the present invention is a backlight structure in which a flexible buffer sheet and an edge buffer material are used in place of the original hard (four) frame, thereby gaining flexibility of the entire backlight structure. The embodiment of the backlight structure of the present invention comprises a housing, a buffer sheet, a light guide 1373669 plate and an edge bumper. The buffer sheet is laid on the bottom surface of the casing. The light guide plate a is again placed on the buffer sheet. The edge buffer material is disposed in the housing, and the hill is located on the light guide plate. Another aspect of the present invention is a method of fabricating the above backlight structure. An embodiment of the method of fabricating the backlight structure of the present invention comprises the following steps: (1) Providing a housing. (2) Lay the cushion on the bottom of the casing. (3) Set the light guide plate on the buffer sheet. (4) An edge buffer material is provided on at least one side of the light guide plate. [Embodiment] FIG. 1 is a perspective view showing a liquid crystal display 1A according to an embodiment of the present invention. Figure 2 is an exploded view of the liquid crystal display (Figure 1) of Figure 1. As shown in the figure, an embodiment of the present invention discloses a backlight structure of the liquid crystal display device. The backlight structure includes a housing 110, a buffer sheet 120, a light guide plate 140, and an edge buffer member 132. The buffer sheet 120 is laid on the bottom surface 112 of the casing 11'. The light guide plate 140 is disposed on the buffer sheet 120. The edge buffering material 132 is disposed in the casing 11 and is located on the light guide plate 14A. Specifically, the edge buffering material 132 described above is used to press at least one side of the light guiding plate 140. In the present embodiment, the edge buffering material 132 presses the light guiding plate 140 in direct contact. That is, the side edges of the light guide plate 140 will be sandwiched between the edge buffer member 132 and the buffer sheet 120. Figure 3 is a cross-sectional view taken along line 3 of Figure 1. In the third embodiment, the line segment 3 is mainly cut from the highest point of the stepped edge cushioning material 132. As shown in the figure, the edge cushioning material 132 may have At least one notch 133, and the light guide plate 140 has at least a flange 142. In use, the flange 142 of the light guide plate (10) will be encased in the recess 133 of the edge cushioning material 132 to completely secure the position of the light guide plate 140. In addition, if there is a gap between the side surface of the light guide plate 140 and the casing 11 ,, the manufacturer may also choose to provide a buffer strip 136 ′ between the side surface of the light guide plate 14 与 and the casing 卩 卩 to prevent the light guide plate 14 from swaying. The problem. Taking the second figure as an example, since the edge buffer material 132 only presses the left side of the light guide plate 14A, the manufacturer can select a pair of buffer strips 6 on the left and right sides of the light guide plate to strengthen the light guide plate! 4 固定 fixed. The material of the edge buffering material 132 and the buffer strip 136 described above may be a foaming material, for example, POR〇N produced by INOAC. It should be understood that the configurations and materials of the edge buffering material 132 and the buffering strip 136 are merely illustrative, and are not intended to limit the present invention. Those having ordinary knowledge in the technical field of the present invention should be flexibly selected according to actual needs. Embodiments of the edge bumper 132 and the buffer strip 136. Of course, the material of the above-mentioned buffer sheet 120 may also be a foamed material, for example, p〇r〇n produced by INOAC. Alternatively, the manufacturer may directly apply the reflection sheet as the buffer sheet 120. In this way, the buffer sheet 12 〇 will have a reflecting surface 122 of the light guiding plate 140, so that the light incident on the light guiding plate 14 能够 can be sufficiently reflected to the light emitting surface 144 of the light guiding plate 140. In practice, the manufacturer may choose white or silver as the color of the reflective surface 122. 1373669 To further enhance the flexibility of the backlight structure, the manufacturer can select a memory alloy as the material of the housing 110, such as a titanium alloy or a recording alloy. Table 1 below lists the composition and shape-recovery temperatures of the two alloys. It should be understood that the material of the housing 110 is merely exemplified as the material of the housing 110 or other flexible materials. Those skilled in the art to which the present invention pertains should be flexibly selected according to actual needs. Alloy Nickel Content 鈥 Content Drilling Content Shape Recovery Temperature Type (wt%) (wt%) (wt%) (°C) Nitinol 54~56 Remaining amount - 20~60 Nitinol-alloy 53~55 Remaining amount 1 〜3 _3 0~3 0 Table 1 alloy composition and shape recovery temperature In addition, in the present embodiment, the material of the light guide plate 140 may be polycarbonate (PC), polyethylene terephthalate ( P可lyethylene terephthalate; PET) or a transparent material such as silicone, and the thickness of the light guide plate 140 can be between about 0.25 mm and 〇5 mm to ensure that the entire backlight structure can be bent. It should be understood that "about" is used to modify the amount of any slight change, but such slight changes do not change its essence. For example, "the thickness of the light guide plate 14" may be between about 〇25 and 〇5 mmj, which is described as being independent of the thickness of the light guide plate 140. As long as the light guide plate 140 can be bent, the light guide plate The thickness of the MO can also be slightly smaller than G.25mm, or slightly larger than the Q 5mm guiding plate. The manufacturing method of the backlight structure is as follows. Take the ninth figure as an example to specifically explain how to implement the above technical content. According to Fig. 4, the manufacturer may first provide a housing 110. The housing 110 = material may be a memory alloy, such as nickel-titanium alloy and nitinol, and the shape recovery temperature is described in the table. Referring to Fig. 5, the manufacturer can then lay 7 buffer sheets 12 on the bottom surface 112 of the casing u. The material of the buffer sheet 12 can be foamed material, for example, INOAC a The produced p〇R〇N, or the reflective sheet is directly applied as the buffer sheet 120. Referring to FIG. 6, the manufacturer can provide the light guide plate 140 on the buffer sheet 12〇. The material of the light guide plate 14〇 can be polycarbonate. (p〇iycarb〇nate; PC), poly-p-ethyl phthalate (polyethyl) A transparent material such as ene terephthalate; PET) or silicone. In addition, the manufacturer may choose to manufacture the light guide plate 14 by a roll to roll process, such that the thickness of the light guide plate 140 is between Approx. 25~0.5 mm, even thinner, to facilitate the bending process. Referring to Figure 7, the manufacturer can then provide the light source module 150 on the side of the light guide plate 14A. In this embodiment, the above-mentioned light source mode The group 丨5〇 is a Light Emitting Diode (LED) module, but this does not limit the present invention, and other suitable light sources may also be one of the embodiments of the light source module 150. 1373669 Reference 8 The manufacturer can then provide the edge buffer material 132 on at least one side of the light guide plate. The edge buffer material 132 can sandwich the side of the light guide plate 140 between the edge buffer material 132 and the buffer sheet 12A. The position of the light guide plate 140 is fixed. In the embodiment, the material of the edge buffer material 132 may be a foam material, for example, p〇R〇N produced by INOAC. In addition, the manufacturer may also use the light source mold at this time. Group 15 The punching block 134' protects the light source module 15 from external impact. In the present embodiment, the material of the buffer block B4 may be a foamed material, for example, PORON produced by the company θ. The manufacturer may choose to provide the buffer strip 136 between the side of the light guide plate 14A and the housing 110 to avoid the problem that the light guide plate 14 is shaken. 1 IX is taken as an example 'Because the edge buffer material 132 only presses the light guide plate 140 On the left side, the manufacturer can choose to install the pair of buffer strips 136 on the left and right sides of the light guide plate 140 to strengthen the fixing of the light guide plate 14A. In the present embodiment, the material of the buffer strip 136 may be a foamed material, for example, PORON produced by the company In〇ac. As shown in FIG. 1 and FIG. 2, the manufacturer may stack a plurality of fresh film sheets 160 on the lip-shaped structure formed by the edge buffer material 132, the buffer strip US and the buffer block 134, and The backlight module can be completed by bonding the light-shielded knee strap 17 〇. Since such a backlight module does not have a rigid member', the manufacturer can easily smash the backlight module. In this way, the manufacturer can smoothly implement the curved or curved (four) (four) crystal display 10 by installing the flexible liquid crystal panel (10) on the backlight module. Although the present invention has been disclosed in the above embodiments, it is not used. The scope of the present invention is defined by the scope of the appended claims, and the scope of the invention is defined by the scope of the appended claims. . BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective view showing a liquid crystal display according to an embodiment of the present invention. Fig. 2 is an exploded view of the liquid crystal display of Fig. 1 and Fig. 3 is a cross-sectional view taken along line 3 of Fig. 1. Figures 4-9 illustrate a partial manufacturing flow diagram of a liquid crystal display of the second round. [Description of main component symbols] 3: Line segment 100: Liquid crystal display u〇: Housing 112: Bottom surface 120: Buffer sheet 122: Reflecting surface 132: Edge buffer material 133: Notch. 134: Buffer block buffer strip 136 1373669 140 Light guide plate 142 Flange 144 Light-emitting surface 150 Light source module 160 Optical film 170 Light-shielding tape 180 LCD panel