1375086 九、發明說明： 【發明所屬之技術領域】 本發明關於一種背光模組，特別是關於一種可供液晶顯 示裝置使用的背光模組，其定位框架上設置一彈性定位元件。 【先前技術】 在平面顯示領域，傳統的陰極射線管（Cathode Ray Tube，CRT)顯示器由於其高輻射、高功耗、大體積、低解 析度和大品質，已經逐步被越來越先進的液晶顯示器（LiqU^j Crystal Display ’ LCD)所取代。液晶顯示器自問世以來，就 以輕薄時尚、環保節能、解析度高、使用壽命長而著稱。但 由於液晶顯示器處於產品發展的初期，產品成品率低，市場 銷售規模小，所以其價格一直高高在上。這幾年來，隨著市 场的發展’液晶顯示器逐漸進入了成長期，其產業規模放量 增長，大螢幕液晶電視（23英寸以上）在歐美、日本等發達 地區已經成為了向端彩電更新換代的主流產品，並以每年 400%的速度增長。而薄膜電晶體顯示器（Thin_FUm τ围— LCD，TFT-LCD)更是成為市場的新的經濟增長點。為配合 液晶顯不ϋ在功能上及外觀上的要求’液晶顯示器所使用的 背光模組設計也日趨多元化。 圆 啊两W财·組示_。f知的背光模组包 含導光板(LGP)卜鮮則（FILM) 2、定位框架3以及光 源模組(未圖示）。導絲1通常_膠財細貼在定位框 架3的底板上’而光學膜>；2是彻設置定位 位構件來固定的。 « 5 < S ) 1375086 圖2、圖3所示為習知顧於筆記㈣腦_)之光學膜 片的-種固定方式示意圖，财，在定位框架3的相對側邊 上設置-败位凸台31，同時在光學膜片2的相對側邊開一 定位孔2卜使定位凸台31穿過光學膜片2上的定位孔21， ^以對絲則（FILM) 2實施面線方向s(與光學膜片2之 表面平行的方向)的定位，以限制光學膜片2在面線方向s上 的位移；同時用-橫截面呈u形的套合件4套在定位框架3 的侧邊來對光學膜片2實施法線方向N(與光學則2之表面 垂直的方向)的定位，以限制光學膜片2之法線方向n上的位 移由於在套合件4的内側設置有兩個或多個彈性倒釣41， 兩個或多縛性倒鉤41鉤在定位㈣3預先設定的釣凸上， 因此套合件4 -旦與定位框架3套合後，报難從定位框架3 上拆卸下來，重新拆解非常困難。 圖4、圖5所示為習知朗於筆記型電腦之絲膜片的 另-麵技細_，射_在物轉3的 上設置-個定位凸台31，_在辟膜片2_對側邊開一 疋位孔21 ’使定位凸台31穿過光學則2上的定位孔21， 對光學則2實施面線方向S的定位，以_光學膜片2面 線方向S上的娜；睛在定位框架3的側邊之上表面設置 兩個或多個向上突㈣凸台32，在物_ 3 _邊之外側 面设置有鉤台，而在-橫截面呈L形的套合件如的一個側面 上開有-可供凸台32穿過的孔仏，在套合件^的另一個 側面開有彈性倒鉤42a，將套合件4a由上而下套在定位框架 3的側邊來對光學則2實施法線方向N的定位，以限制光 學膜片（聰）2法線上的位移。由於在套合件如上設置有 6 c S ) 1375086 彈性倒鉤似，因此套合件4a—旦與定位框架 難從定健架3上拆卸下來，转拆_常晴/後很 圖6所示為習知應用於筆記型 I定方私意圖’财的光學财2_^於位辩 2條帶5對光學膜片2實施法線方向N的定位疋 新拆解困難的問題。 #喊的方式囉存在著重 另外現有蚊健帛3±攸倾件 利來進灯財德，讀賴作方法對中精 出=導光板丨的無效發光㈣黑影偏移‘ 1的過程+錢生娜。 了轉料九扳 【發明内容】 £Ei?=== 背光==目的在於提供—種供液晶顯示裝置使用的 件，以對導光板進行居中定位。 彈丨疋位兀 背光二，目的在於提供―種供液晶顯示裝置使用的 件’以對綱w)輪，㈣;^⑽ 背光目的在於提供一種供液晶顯示裝置使用的 月先模，且+1她架和顧於定位轉上_性定位元 7 C S ) 1375086 件’以對光學則實施法線額的定位。 ' 本發0㈣其他目的在於提供—種供液晶顯示裝置使用的 違光模組中的定位框架和應用於定位框架上的彈性定位元 件’可降低整體的生產成本及生產時間。 本發明提供的-種背光模'组，包含··一導光板、一覆蓋 在導光板上的光學膜片，以及一用於收容導光板和光學膜片 的定位框架。定位框架包含一底板以及數個成型於底板上， • 並且，圍導光板之側壁。在上述數個侧壁上設置有至少一個 彈性疋位7G件’雜雜元件徽導光板胁料光板實施 對中定位。 於本發明之-實施例中，在數個侧壁中的一第一侧壁設 置有-液晶面板承托面和-光學承托面。在絲模片承托面 j下方形成有-收容彈性定位元件的空腔，該空腔通過一第 「通孔連通於定位框架的内部，且該彈性定位元件具有一穿 過該第一通孔並頂住導光板外突部。 • 於本發明之一實施例中，在光學膜片承把面上開有一連 ，於空腔㈣二通孔’並且在鮮膜片開有—定位孔，彈性 疋位元件還具有-自外突部之-端向上延伸_頸部，該縮 顯部穿過光學膜片承托面的第二通孔及光學膜片的定位孔， 以實施對光學膜片的面線方向上的定位。 - 於本發明之一實施例中，彈性定位元件還具有一自縮頸 部向壓住光學膜片的方向延伸的反扣部，以限制光學膜片在 法線方向的位移。 於本發明之一實施例中，彈性定位元件還具有一彈簧， 8 c S ) 頂住導光板，====_該外突部的外表面側 之間。 r大。卩的内表面側及空腔的一腔壁 閉且 端沒有連 近似環狀的結ί，::二:且:突部為-向外突出非封 接，且外突邻㈣=封閉且近似環狀的結構的兩端沒 弟侧的一第二側頂住空腔的一腔壁。 四二第=^ 側壁為该四方形的左側壁或右側壁。 間上件在數個側壁中的-個側壁的中 上間隔地安裳有兩個彈性定位=數個側壁中的另-_壁 於本發明之一實施你丨Φ，艾. 之一 件之間的距離為整個個彈性定位元 来握Γΐΐ她_，本翻姆於财技術來說，在背 上設置有至少—個用於對所述導光板實施 彈性述絲則實施法_和面線定位的 門題以及二=轉決導光板對巾定位或光學膜片固定的 解導光板對中定位和辟模片法線和面線定 尤其是解決了導光板對巾定蝴題。操作工人在具 二呆作時’不需要採用目咖方法來解決導光板對中定位，、 定位框架上的雜定位元件和自祕導光板財，因此降 釘整體社產縣及驗了 ^鱗間，_也防止導光板 無效發光n的黑影婦。採_彈性定餘件可以完整的實 1375086 施光學膜片的面線及法線上的定位，從而通過—個元件即可 =制=膜片在面線及法線上的位移，減少了其他零件的採 用，也降低了成本。本發明採用的彈性定位元件，在具有— 善的定位魏的前提下’結構簡單，钱起麵常方便，= 於重工拆解背光模組。 實施方式】1375086 IX. Description of the Invention: [Technical Field] The present invention relates to a backlight module, and more particularly to a backlight module for use in a liquid crystal display device, wherein an elastic positioning member is disposed on the positioning frame. [Prior Art] In the field of flat display, the conventional cathode ray tube (CRT) display has been gradually more and more advanced liquid crystal due to its high radiation, high power consumption, large volume, low resolution and large quality. The display (LiqU^j Crystal Display 'LCD) was replaced. Since its inception, liquid crystal displays have been known for their thinness, fashion, energy saving, high resolution and long service life. However, since the liquid crystal display is in the early stage of product development, the product yield is low, and the market sales scale is small, so its price has always been high. In the past few years, with the development of the market, 'liquid crystal displays have gradually entered the growth stage, and their industrial scale has increased in volume. Large-screen LCD TVs (23 inches or more) have become the mainstream of the upstream color TVs in developed regions such as Europe, America and Japan. Products, and grow at a rate of 400% per year. The thin-film transistor display (Thin_FUm τ-LCD, TFT-LCD) has become a new economic growth point in the market. In order to meet the requirements of the LCD display, the backlight module design used in LCD displays is becoming more diversified. Round, two W wealth, group _. The known backlight module includes a light guide plate (LGP), a clearing frame (FILM) 2, a positioning frame 3, and a light source module (not shown). The guide wire 1 is usually affixed to the bottom plate of the positioning frame 3, and the optical film >; 2 is fixed by positioning the positioning member. « 5 < S ) 1375086 Figure 2 and Figure 3 show a schematic diagram of the fixing method of the optical film of the conventional (4) brain _), which is set on the opposite side of the positioning frame 3 The boss 31 is simultaneously provided with a positioning hole 2 on the opposite side of the optical film 2 so that the positioning boss 31 passes through the positioning hole 21 on the optical film 2, and the face line direction is implemented in the wire (FILM) 2 Positioning of s (direction parallel to the surface of the optical film 2) to limit the displacement of the optical film 2 in the line direction s; at the same time, the sleeve 4 having a u-shaped cross section is placed over the positioning frame 3 Positioning the optical film 2 in the normal direction N (the direction perpendicular to the surface of the optical surface 2) to limit the displacement in the normal direction n of the optical film 2 due to the inside of the sleeve member 4 There are two or more elastic inverted fishing 41, and two or more binding barbs 41 are hooked on the positioning (4) 3 preset fishing projections, so that the fitting member 4 is assembled with the positioning frame 3, and the difficulty is positioned. It is very difficult to disassemble it on the frame 3. Figure 4 and Figure 5 show the other side of the silk film of the notebook computer _, the _ on the object turn 3 is set - a positioning boss 31, _ in the diaphragm 2_ pair Opening a clamping hole 21' on the side, the positioning boss 31 is passed through the positioning hole 21 on the optical unit 2, and the optical direction 2 is positioned in the direction of the surface line S, so that the optical film 2 is in the direction S of the line direction; The eye is provided with two or more upwardly projecting (four) bosses 32 on the upper surface of the side of the positioning frame 3, a hook table on the outer side of the object_3_ side, and an L-shaped cross member in the cross section. One side of the sleeve is provided with a hole for the boss 32 to pass through, and the other side of the sleeve member is provided with an elastic barb 42a for arranging the sleeve member 4a from the top to the bottom of the positioning frame 3. On the side, the optical 2 is positioned in the normal direction N to limit the displacement on the optical film (Cong) 2 normal. Since the sleeve member is provided with 6 c S ) 1375086 elastic barbs as described above, the sleeve member 4a is difficult to be detached from the fixed frame 3, and the transfer _Changqing/After is shown in FIG. Conventional application to the note type I prescription private intention 'financial optical wealth 2 _ ^ in the position of 2 strips 5 pairs of optical diaphragm 2 implementation of the normal direction N positioning new difficult to solve the problem. #喊的啰啰Existence focuses on another existing mosquito 帛3±攸 件 利 进 进 灯 , , , , , , , , , , , , , , , = = = = = = = = = = = = = = = = = = = = = = = Sheng Na. The invention has the following advantages: £Ei?=== Backlight== The purpose is to provide a device for use in a liquid crystal display device to centrally position the light guide plate. The purpose of the magazine is to provide a kind of "for the liquid crystal display device", which is used for the liquid crystal display device. (4); (10) The purpose of the backlight is to provide a monthly model for the liquid crystal display device, and +1 She framed and positioned to turn on the _sexual positioning element 7 CS ) 1375086 pieces to implement the normal amount of positioning for the optics. The other purpose of the present invention is to provide a positioning frame in a light-proof module for use in a liquid crystal display device and an elastic positioning member applied to the positioning frame, which can reduce the overall production cost and production time. The invention provides a backlight module set comprising: a light guide plate, an optical film covering the light guide plate, and a positioning frame for accommodating the light guide plate and the optical film. The positioning frame comprises a bottom plate and a plurality of moldings formed on the bottom plate, and, and surrounding the side walls of the light guide plate. At least one elastic clamping 7G piece is disposed on the plurality of side walls to perform centering positioning. In an embodiment of the invention, a first side wall of the plurality of side walls is provided with a liquid crystal panel support surface and an optical support surface. Formed below the wire die supporting surface j is a cavity for accommodating the elastic positioning member, the cavity communicating with the inside of the positioning frame through a first through hole, and the elastic positioning member has a first through hole And the outer protrusion of the light guide plate is supported. In an embodiment of the invention, a connection is formed on the surface of the optical film bearing cover, and the two holes are formed in the cavity (four) and the positioning hole is opened in the fresh film. The elastic clamping element further has a neck extending upward from the end of the outer protrusion, the narrowing portion passing through the second through hole of the optical film supporting surface and the positioning hole of the optical film to implement the optical film The positioning of the sheet in the direction of the upper thread. In an embodiment of the invention, the elastic positioning member further has a retracting portion extending from the neck portion in the direction of pressing the optical film to limit the optical film in the method. Displacement in the line direction. In an embodiment of the invention, the elastic positioning element further has a spring, 8 c S ) against the light guide plate, ====_ between the outer surface sides of the outer protrusion. The inner surface side of the crucible and the cavity wall of the cavity are closed and the end is not connected with a ring-like knot, :: two: and: The protrusion is - outwardly projecting non-sealed, and the outer protrusion (4) = closed and approximately annular structure has two ends on the other side of the second side of the cavity against the cavity wall of the cavity. Is the square left side wall or the right side wall. The upper part is spaced apart in the middle of the side walls of the plurality of side walls and has two elastic positioning=the other one of the plurality of side walls is one of the inventions Implementing your 丨Φ, Ai. The distance between one piece is the whole elastic positioning element to hold her. In this way, at least one is provided on the back for the light guide plate. The implementation of the elastic silk is implemented in the method of _ and the upper line positioning and the second = the light guide plate or the optical film fixed to the center of the light guide plate alignment and the normal and the upper line of the mold are especially solved The light guide plate is fixed on the towel. The operator does not need to use the eye-cat method to solve the alignment of the light guide plate when positioning the two, and the misalignment components on the positioning frame and the self-secret light guide plate, so the nail is lowered. The overall social production county and the inspection of the scales, _ also prevent the light guide plate from invalid light-emitting n black woman. The part can be completely positioned on the upper line and the normal line of the optical film of the 1375086, so that the displacement of the diaphragm on the upper line and the normal line can be reduced by using one component, and the use of other parts is reduced, and the number is reduced. Cost. The elastic positioning component used in the present invention has a simple structure under the premise of having a good positioning Wei, and the money is often convenient, and the backlight module is dismantled in the heavy work.
有關本發明之前述及其他技細容、特點與功效，在以 下配合參考圖式之-較佳實施例的詳細說明中，將可清楚的 呈現。以下實施例中所提到的方向用語，例如：上下、左、 右、則或後等’僅是參考附加圖式的方向。目此，使用的方 向用語是用來說明並非用來限制本發明。The foregoing and other features, aspects, and advantages of the invention are set forth in the <RTIgt; The directional terms mentioned in the following embodiments, for example, up and down, left, right, then or after, etc. are merely directions referring to the additional drawings. The use of the terminology is for the purpose of illustration and not limitation.
本發明提供的背光模組及其㈣攸她架和應用於定 位框架上的彈性定位元件，以較佳實施例而言，此背光模組 是供具有液晶顯示裝置的筆記型電腦使用。然而，此背光模 組也了供具有液0曰顯示裝置的電腦鍵盤、移動電話按鍵、^ 板及其它需要平面光源的裝置使用。進一步而言，本發明更 包含使用此背光模組的液晶顯示裝置。在較佳實施例中，本 發明的液晶顯示裝置包含彩色液晶顯示裝置。然而在不同實 施例中，本發明的液晶顯示裝置也可包含單色的液晶顯示裝 置。此處所說的液晶顯示裝置泛指使用液晶面板的顯示裝 置，包含豕用的液晶電視、個人電腦及筆記型電腦的液晶監 視器、移動電話及數位相機的液晶顯示幕等。 如圖7所示，本發明的背光模組包含導光板（LGp)1〇〇、 覆蓋在導光板100上的光學膜片（FILM)200、定位框架300, 此處所說的導光板100可以是包含全反射原理將入射光線均 勻傳導的光學元件，也可以是包含使光線均勻分佈的光學元 件。此外，導光板100上也可配合不同光學設計而加設各式 光學微結構。光學膜片200可以是增光膜或擴散膜等。 在如圖7所示的實施例中，定位框架3〇〇是配合導光板 Ιυυ的形狀而為一具有一底板的矩形框架結構，然而於不同 實施例中’定位框架300也可以為其他不同的形狀。此外， 定位框架300可以由塑膠所製成，如聚乙烯對苯二曱酸酯 (PET)、聚碳酸酯(ρ〇、聚曱基丙烯酸甲酯(ρΜΜΑ)或其他有 機材質。定位框架300也可以由金屬或其他材料製成。 如圖7所示，背光模組的定位框架3⑻包含底板31〇及 成型於底板310上並圍成一框的四侧壁320，在較佳的實施 例中，底板310與四側壁320採用一體成型的方式製造，比 較好的生產方式包含注射成型等模造成型方式。四側壁32〇 較佳的是垂直於導光板100及底板310。在圖7所示的實施 例中，在其中一個側壁320上安裝有一個可對導光板1〇〇實 施對中疋位以及對光學膜片2〇〇實施法線和面線定位的彈性 疋位元件400。在較佳的實施例中，該側壁32〇為位於整個 液晶顯示器的左側或右側，通過該彈性定位元件4〇〇可以保 證導光板100在水準(水平)視角方向上對中。在另一較佳的 實施例中，彈性定位元件400的位置正好位於該側壁32〇的 中間》 在圖8所示的實施例中，在其中兩相對侧壁32〇、33〇 上各自女裝有一個可對導光板1〇〇實施對中定位以及對光學 膜片200實施;^線和面線定位的彈性定位元件4〇〇。在較佳 1375086 的實施例t ’該兩相對側壁32〇、33G為位於整個液晶顯示器 水準視角方向的左、右側，通過這兩個彈性定位元件可 以保證導紐1GG在水準視角方向上對巾。在另-較佳的實 施例中’彈性定位元件彻的位置正好位於每個側壁32〇、 330的中間。當^ ’辆個彈歧位元件.也可以位於整 個液晶顯示器的水準視角方向的上、下侧。The backlight module provided by the present invention and (4) the frame and the elastic positioning component applied to the positioning frame are used in the preferred embodiment for the notebook computer having the liquid crystal display device. However, this backlight module is also used for a computer keyboard having a liquid display device, a mobile phone button, a board, and other devices requiring a planar light source. Further, the present invention further includes a liquid crystal display device using the backlight module. In a preferred embodiment, the liquid crystal display device of the present invention comprises a color liquid crystal display device. However, in various embodiments, the liquid crystal display device of the present invention may also comprise a monochrome liquid crystal display device. The liquid crystal display device as used herein refers to a display device using a liquid crystal panel, and includes a liquid crystal television for use, a liquid crystal monitor for a personal computer and a notebook computer, a liquid crystal display for a mobile phone and a digital camera, and the like. As shown in FIG. 7, the backlight module of the present invention comprises a light guide plate (LGp) 1 , an optical film (FILM) 200 covering the light guide plate 100, and a positioning frame 300. The light guide plate 100 may be An optical component that includes the principle of total reflection to uniformly conduct incident light, and may also be an optical component that includes uniform distribution of light. In addition, various optical microstructures can be added to the light guide plate 100 in accordance with different optical designs. The optical film 200 may be a brightness enhancement film, a diffusion film, or the like. In the embodiment shown in FIG. 7 , the positioning frame 3 〇〇 is a rectangular frame structure having a bottom plate in combination with the shape of the light guide plate ,. However, in different embodiments, the positioning frame 300 may also be different. shape. In addition, the positioning frame 300 can be made of plastic, such as polyethylene terephthalate (PET), polycarbonate (ρ〇, polymethyl methacrylate (ρΜΜΑ) or other organic materials. The positioning frame 300 is also It can be made of metal or other materials. As shown in Fig. 7, the positioning frame 3 (8) of the backlight module comprises a bottom plate 31 and four side walls 320 formed on the bottom plate 310 and enclosing a frame, in a preferred embodiment. The bottom plate 310 and the four side walls 320 are integrally formed. The better production method includes a molding method such as injection molding. The four side walls 32 are preferably perpendicular to the light guide plate 100 and the bottom plate 310. In an embodiment, an elastic clamping element 400 is disposed on one of the side walls 320 for centering the light guide plate 1 and performing normal and upper line positioning on the optical film 2 . In an embodiment, the side wall 32 is located on the left or right side of the entire liquid crystal display, and the elastic positioning member 4 〇〇 can ensure that the light guide plate 100 is centered in the horizontal (horizontal) viewing angle direction. In another preferred implementation In the case, elasticity The position of the positioning member 400 is located just in the middle of the side wall 32". In the embodiment shown in Fig. 8, in the two opposite side walls 32, 33, the respective women's wear has a pair of light guide plates 1 Positioning and positioning of the optical film 200; the elastic positioning element 4 of the line and the upper line positioning. In the preferred embodiment of 1375086, the two opposite side walls 32〇, 33G are located at the level of the liquid crystal display. The left and right sides can ensure that the guide 1GG is in the horizontal viewing direction by the two elastic positioning elements. In another preferred embodiment, the elastic positioning element is located exactly at each side wall 32〇, 330. In the middle, when the ^ 'a bullet position component can also be located on the upper and lower sides of the horizontal viewing angle of the entire liquid crystal display.
在圖9所示的實施例中，在其中兩相對側壁320、330 上安裝有三個可對導光板卿實施對t定位以及對光學膜片 2〇〇 ^施法線和面線定位的彈性定位元件彻，其中一個側壁 330安裝有兩個彈性定位元件_，另一個側壁32〇安裝有一In the embodiment shown in FIG. 9, three elastic positioning members for positioning the light guide plate and positioning the optical film 2 with the normal line and the upper line are mounted on the two opposite side walls 320, 330. One of the side walls 330 is mounted with two elastic positioning elements _, and the other side wall 32 is mounted with one
個彈性枝元件·。在較佳的實施财，該兩相對讎 320 ^3〇為位於整個液晶顯示器水準視角方向的左、右側， ，過這三個彈性定位元件4⑻可贿證導歧（導光板⑽ 在水準視角方向上對中。在另一較佳的實施例中，側壁33〇 上的彈性粒元件_的位置正好位於側壁33G的中間，在 其他實施例中當然也可以不位於中間位置；侧壁33〇上的兩 :彈性定位元件400之間係間隔一定的距離H，在一實施例 中’為使導光板1〇〇得到較佳的固定效果，這一距離η可以 ^為整個側壁32〇長度的四分之一。在另一較佳實施例 Μ則壁320上的兩個彈性定位元件400以側壁320的中間 點對稱佈置。 在上=實施例中，彈性粒元件姻只需要對導光板· 方對中定位，而對光學膜片2⑻實施法線和面線定位採用 的方式。或者彈性定位元件400僅對導光板1〇〇實施對 和對光學膜片實施法線纽，而對光學膜片200 1375086 實施面線定位的方式仍然採用慣用的方式。 如圖10所示的定位框架300包含底板31〇及成型於底板 310上並圍成一框的四侧壁，底板310與四側壁採用一體成 ^的方式製造’比較好的生產方式包含注射細等模造成型 方式。西側壁較佳的是垂直於導光板100及底板310。在圖 10所示的實施例中，在位於整個液晶顯示器水準視角方向的 左側或右侧的-個側壁32〇上設置有液晶面板（圖中未示出） 承托面321和光學膜片承托面322，在光學膜片承托面322 的下方形成有一用以安震彈性定位元件400的空腔323,同 時在光學膜片承托面322上開有一通孔324。液 ^21和光學则承托面322自側壁迦沿導光板⑽的平 托面t内延伸，其中光學膜片承托面322低於液晶面板承 會古中、杰’並且保證光學膜片200固定好以後，其上表面不 會河出液晶面板承托面321 〇 來說嶋.咖# _結構， ^圖ω的貫施例中，彈性定位 和—讀树42G，定位元件-具有-祕對3導光tr 1375086 實施對中纽的外突部42卜—用於對光學 線方向定位的縮頸部422、一用 、 實％面 _ 、對九學臈片200實施法飧 方向定位的反扣部423。外突部421為 = 構，外突部421的外表面頂住導来杯1ηΛ +卜犬出的弧狀結 貝饪导光板100，在外突部421的 内表面具有一安裝彈簧41〇的凸的 ^ μ R時在空腔323的腔壁 士也权置有-凸柱，彈簧安裝在這兩個凸柱上，以 定位讀420 ’進而通過定位元件的外突部421迫使 光板100自動對中；縮頸部422為一直段，正好能穿過光^ 膜片承托面322上的通孔324以及光學膜片上的定位 2H) ’以實施對光學則珊的面線方向上的定位這樣光學 膜片200就不會沿導光板丨⑻的面線方向移動。反扣部奶 由縮頸部422沿能夠壓住光學膜片2⑻的方向延伸，以壓住 光學膜片200’從而限制了光學膜片2〇〇在法線方向的位移。 在較佳的實施例中，為不破壞光學膜片200，反扣部423可 以為沿垂直於縮頸部422以及朝向外突部421的外表面的方 向延伸。上面的定位元件420可以由板金成型或注塑成型以 及其他任何可用的手段成型，定位元件42〇上的外突部42ι 還可以是向外突出的直段’或者是向外突出的錐形以及向外 突出的球冠狀等。 如圖11所示的定位框架300包含底板31〇及成型於底板 310上並圍成一框的四侧壁，底板31〇與四側壁採用一體成 型的方式製造，比較好的生產方式包含注射成型等模造成型 方式。四侧壁較佳的是垂直於導光板100及底板31〇。在圖 11所示的實施例中，在位於整個液晶顯示器的左側或右侧的 個側壁320上设置有液晶面板承托面321和光學膜片承托 1375086 面322，在光學膜片承托面322的底面形成有一用以安裝彈 性定位元件400的空腔323，同時在光學膜片承托面322上 開有一通孔324。液晶面板承托面321和光學膜片承托面322 自側壁320沿導光板1〇〇的平面方向向内延伸，其中光學膜 片承托面322低於液晶面板承托面Mi，並且保證光學膜片 200固定好以後’其上表面不會高出液晶面板承托面32ι。 在圖11的實施例以及圖12所示的實施例中，彈性定位 το件400為本發明一個較佳的實施例，這樣的彈性定位元件 4〇〇採用具有-定寬度的金屬帶，通過板金成型類似矮酒瓶 形狀，金屬帶的兩端是不連接的，因此可以保證彈性定位元 件400自身具有一定的彈性。當然這樣形狀的彈性定位元件 400亦可為塑膠件，如採用AgS等工程塑料注射成型。 如圖12及圖14所示，該彈性定位元件400具有一用於 對導光板100實施對中定位的外突部42卜一用於對光學膜 片200實施面線方向定位的縮頸部422、一用於對光學膜片 200實施法線方向定位的反扣部423，外突部42丨為一向外突 出非封閉且近似環狀的結構，外突部421的外表面的第一側 頂住導光板100的邊緣，外突部421的外表面之相對於此第 一側的第二側頂住空腔323的腔壁，該非封閉且近似環狀的 結構的兩端沒有連接。在一個較佳的實施例中，該環狀結構 全部由弧段構成，以便於製造，㈣能提高使用壽命和獲得 較佳的彈性。而在另-個實施例中’該非封閉且近似環狀的 結構可以由至少一直段和弧段構成，直段與導光板1〇〇接 觸，形成面接觸。另外該環狀結構也可以由至少一錐段和弧 段構成’雜與導光板制。且近似環狀的還 ΐς ( S ) 1375086 可以是向外突出的直段，或者是向外突出的錐形以及向外突 出的球冠狀等。 縮頸部422為由彈性定位元件侧的外突部42ι的兩端 ί伸出的兩f段，正好能穿過光學膜片承托面322上的通孔 324以及光學膜片上的雜孔2ω，以實施對光學膜片 200的面線方向上攸位，這樣光學則雇就不會沿導光 板1〇〇的平面方向移動。反扣部423為由縮頸部422的兩直 段分別沿能夠壓住光學膜片勘的二個相異方向延伸的兩平 直段’反扣部423的兩平直段正好可以愿住光學膜片2〇〇， 從而限制了光學膜片200法線方向的位移。在較佳的實施例 中’為不破壞光學臈片並得到較佳的定位效果，反扣部 423的兩平直段可以為沿垂直於縮頸部422以及分別朝向外 犬部421的外表面的第一側及第二側的兩個相異方向延伸， 其中該兩個相異方向形成180度。 a如圖13所示，圖η所示的彈性定位元件4〇〇的裝配方 法疋.用手或工具使反扣部423的兩平直段克服外突部421 的彈性儘量地靠近，然後使反扣部423的兩平直段和縮頸部 422的兩直段穿過光學膜片承托面322上的通孔324以及光 學膜片200上的定位孔210後鬆開反扣部423的兩平直段， 反扣部423的兩平直段和縮頸部422的兩直段在外突部421 的彈性作用下，恢復到原來的狀態，就可以對光學膜片200 進行法線和面線方向定位，同時外突部42丨第二側受側壁32〇 的空腔323的腔壁的擠壓，第一側就頂住導光板1〇〇用以進 行對中。如果在側壁32〇、330上都安裝有這樣的彈性定位元 件400 ’導光板1〇〇在兩側受擠壓的情況下對中。 (S ) 16 I3?5〇86 如圖14所示，彈性定位元件4〇〇安裝在定位框架3〇〇 的側壁320上’其中彈性定位元件的外突部42i位於光 學膜片承托面322下面的空腔323中，其第二侧抵住側壁32〇 的空腔323的腔壁，第-側抵住導光板1〇〇，使導光板ι〇〇 =中定位。導光板100還通過黏谬層500直接或間接貼附於 定位框架300的底板310上，採用彈性定位元件4〇〇對中定 導級不會因為採用現有方法射而出現的殘膠 現象。黏膠層500通常包含聚g旨塑膠的材f，在黏谬層· 面形成為-反射面，反射面可含有具光反射性的金屬 材質或非金屬材質’如白色或黑色的有機塗料等。縮頸部似 的兩直段穿過光學膜片承托面322上的通孔似以及光學膜 片200上的定位孔21〇，對光學膜片細進行面線方向定位: 同時反扣部423 _平直段壓住光學膜片細 2〇〇進行法線方向定位。 』兀干朕乃 另外通過圖14，可以看出，本發明的組裝簡單，可以 先按照圖B所補方法先喊彈性粒元件·，錢再組 裝導光板100和光學膜片200。 如@I5a所tf ’在沒有採用本發明的彈性定位元件· 中定位前，導光板⑽的無效發光區出現了 一 101偏移’如® 15b所示’本發明的彈性定位元件· 對導光板100對中定倾，導光板100無效發光區沒有出現 黑影101偏移。通過對比’本發明具有㈣的效果。 惟以上所述者’僅為本發明之較佳實施例而已， 以此限定本發明實施之範圍，即大凡依本發明申請“ 17 (S ) 及發明說明内容所作之簡單的等效變化與 明專利涵蓋之細内。另外本 白仍屣本發 範圍不須達成本發明所揭露之全===3申請專利 外，摘要部分和標題僅是用來輔助專利文此 用來限制本發明之權利範圍β 並非 【圖式簡單說明】 圖1為習知背光模組的示意圖。 )之光學臈片的_ 種固 圖2為習知應用於冑記型電腦(ΝΒ 定方式示意圖。 圖3為圖2所_定方式所_的套合件立體示意圖。 圖4為習知應用於筆記型電腦(ΝΒ)之光學膜片的另 固定方式示意圖。 力種 圖5為圖4所示固定方式採·套合件立體示意冬 圖6習知顧於筆記型電腦剛之絲膜片的再 定方式示意圖。 圖7為本發明背光模組一個實施例的示意圖。 圖8為本發明背光模組另一個實施例的示意圖。 圖9為本發明背光模組再一個實施例的示意圖。 圖10為本發明定位框架的一個實施例的示意圖。 圖11為本發明定位框架的另一個實施例的示意圖。 圖12為本發明彈性定位元件一個優選實施例的參考圖。 圖13為圖12所示的彈性定位元件安裝過程的示意圖。 1375086 圖14為本發明一個應用實施例的示意圖。 圖1允為沒有採用本發明彈性定位元 位前，導綠黑影偏移的示意圖。 十導先板對中疋 圖15b為採用本發明彈性定位 後，沒有出現黑影偏移的示意圖。缚光板對中定位 【主要元件符號說明】 導光板1Elastic branch elements. In a preferred implementation, the two relative 雠320^3〇 are located on the left and right sides of the horizontal viewing angle of the liquid crystal display, and the three elastic positioning elements 4(8) can be used to remedy the guide light (the light guide plate (10) is in the horizontal viewing direction. In another preferred embodiment, the position of the elastic element _ on the side wall 33 is located just in the middle of the side wall 33G, and in other embodiments may not be located in the middle position; The two: the elastic positioning elements 400 are spaced apart by a certain distance H. In an embodiment, in order to obtain a better fixing effect of the light guide plate 1 , the distance η can be 4 for the entire length of the side wall 32〇. In another preferred embodiment, the two elastic positioning elements 400 on the wall 320 are symmetrically arranged at an intermediate point of the side wall 320. In the above embodiment, the elastic element element only needs to be directed to the light guide plate. Centering the positioning, and adopting the method of normal and upper line positioning for the optical film 2 (8). Or the elastic positioning element 400 only performs the pair of the light guide plate 1 and the normal line for the optical film, and the optical film 200 1375086 implementation surface The positioning frame 300 is still in a conventional manner. The positioning frame 300 shown in FIG. 10 includes a bottom plate 31 and four side walls formed on the bottom plate 310 and enclosing a frame. The bottom plate 310 and the four side walls are integrally formed. 'The better production method includes injection molding mode. The west side wall is preferably perpendicular to the light guide plate 100 and the bottom plate 310. In the embodiment shown in Fig. 10, on the left side of the entire liquid crystal display level viewing direction or A liquid crystal panel (not shown) supporting surface 321 and an optical film supporting surface 322 are disposed on the right side wall 32, and an elastic layer is formed under the optical film supporting surface 322. The cavity 323 of the positioning component 400 is simultaneously provided with a through hole 324 in the optical film supporting surface 322. The liquid supporting surface 322 and the optical supporting surface 322 extend from the side wall of the light guiding plate (10). The optical film support surface 322 is lower than the liquid crystal panel, and the optical film 200 is fixed. After the optical film 200 is fixed, the upper surface does not pass through the liquid crystal panel supporting surface 321 〇. ^In the case of the figure ω, the elasticity is fixed And - reading tree 42G, positioning element - with - secret pair 3 light guide tr 1375086 implementation of the center of the outer protrusion 42 - for the optical line direction of the constricted neck 422, a use, real% _, The anti-buckle portion 423 is positioned in the direction of the 臈 臈 。 200. The outer protrusion 421 is a structure, and the outer surface of the outer protrusion 421 is placed against the guide cup 1 Λ 卜100. When the inner surface of the outer protrusion 421 has a convex protrusion φ R of the mounting spring 41 在, the cavity wall of the cavity 323 is also biased with a protrusion, and the spring is mounted on the two protrusions for positioning. Reading 420' further forces the light panel 100 to be automatically centered by the outer protrusion 421 of the positioning member; the constricted portion 422 is a straight section that can pass through the through hole 324 on the diaphragm support surface 322 and the optical film. Positioning 2H) 'The positioning of the optical film 200 in the direction of the line direction is such that the optical film 200 does not move in the direction of the face line of the light guide plate 丨 (8). The buckle portion milk extends from the constricted portion 422 in a direction capable of pressing the optical film 2 (8) to press the optical film 200' to limit the displacement of the optical film 2 in the normal direction. In a preferred embodiment, to defeat the optical film 200, the buckle portion 423 can extend in a direction perpendicular to the constricted portion 422 and toward the outer surface of the outer protrusion 421. The upper positioning member 420 may be formed by sheet metal forming or injection molding and any other available means, and the outer protrusion 42 on the positioning member 42 may also be a straight portion that protrudes outwardly or a taper that protrudes outward and The outer protruding ball is crowned and the like. The positioning frame 300 shown in FIG. 11 comprises a bottom plate 31 and four side walls formed on the bottom plate 310 and enclosing a frame. The bottom plate 31〇 and the four side walls are integrally formed. The better production method includes injection molding. The same mode is created. The four side walls are preferably perpendicular to the light guide plate 100 and the bottom plate 31. In the embodiment shown in FIG. 11, a liquid crystal panel receiving surface 321 and an optical film support 1375086 surface 322 are disposed on the side walls 320 located on the left or right side of the entire liquid crystal display, on the optical film supporting surface. A cavity 323 for mounting the elastic positioning member 400 is formed on the bottom surface of the 322, and a through hole 324 is formed in the optical film supporting surface 322. The liquid crystal panel supporting surface 321 and the optical film supporting surface 322 extend inward from the side wall 320 in the plane direction of the light guiding plate 1 , wherein the optical film supporting surface 322 is lower than the liquid crystal panel supporting surface Mi and ensures optical After the diaphragm 200 is fixed, the upper surface thereof is not raised above the liquid crystal panel supporting surface 32ι. In the embodiment of Fig. 11 and the embodiment shown in Fig. 12, the elastic positioning member 400 is a preferred embodiment of the present invention. Such an elastic positioning member 4 is formed by a metal strip having a constant width. The shape of the metal bottle is not connected, so that the elastic positioning member 400 itself has a certain elasticity. Of course, the elastic positioning member 400 of such a shape may also be a plastic member, such as an injection molding of an engineering plastic such as AgS. As shown in FIG. 12 and FIG. 14, the elastic positioning member 400 has an outer protrusion 42 for centering the light guide plate 100, and a constricted portion 422 for positioning the optical film 200 in the face line direction. a reverse button portion 423 for positioning the optical film 200 in a normal direction. The outer protrusion portion 42 is an outwardly projecting non-closed and approximately annular structure, and the first side of the outer surface of the outer protrusion portion 421 At the edge of the light guide plate 100, the second side of the outer surface of the outer protrusion 421 with respect to the first side bears against the cavity wall of the cavity 323, and the ends of the non-closed and approximately annular structure are not connected. In a preferred embodiment, the annular structure is entirely constructed of arc segments for ease of manufacture, and (4) for improved service life and better flexibility. In yet another embodiment, the non-closed and approximately annular structure may be formed of at least a straight section and an arc segment, and the straight section is in contact with the light guide plate 1 to form a surface contact. Alternatively, the annular structure may be formed of at least one tapered section and an arc segment and made of a light guide plate. The approximately annular shape (S) 1375086 may be a straight segment that protrudes outward, or a tapered shape that protrudes outward and a spherical crown that protrudes outward. The constricted portion 422 is a two-f segment extending from both ends of the outer protruding portion 42ι on the side of the elastic positioning member, and is able to pass through the through hole 324 on the optical film supporting surface 322 and the porous hole on the optical film. 2ω, in order to perform the clamping in the direction of the face line of the optical film 200, so that the optical is not moved in the plane direction of the light guide plate 1〇〇. The reverse button portion 423 is a straight portion of the two straight segments 'reversing portions 423 extending from two straight segments of the constricted portion 422, respectively, which are capable of pressing the two different directions of the optical film, and can directly oppose the optical The diaphragm 2 is, thereby limiting the displacement of the optical film 200 in the normal direction. In a preferred embodiment, the two straight sections of the buckle portion 423 may be perpendicular to the constricted portion 422 and toward the outer surface of the outer dog portion 421, respectively, so as not to damage the optical cymbal and achieve a better positioning effect. The two sides of the first side and the second side extend in different directions, wherein the two distinct directions form 180 degrees. a, as shown in Fig. 13, the assembling method of the elastic positioning member 4A shown in Fig. 疋. by hand or tool, the two straight sections of the buckle portion 423 are as close as possible to the elasticity of the outer protrusion 421, and then The two straight sections of the buckle portion 423 and the two straight sections of the constricted portion 422 pass through the through holes 324 on the optical film supporting surface 322 and the positioning holes 210 on the optical film 200, and then the reverse buckle portion 423 is loosened. The two straight sections, the two straight sections of the buckle portion 423 and the two straight sections of the constricted portion 422 are restored to the original state by the elasticity of the protrusion 421, and the optical film 200 can be normalized and surfaced. The wire is oriented while the second side is pressed by the cavity wall of the cavity 323 of the side wall 32, and the first side is placed against the light guide plate 1 for centering. If such elastic positioning members 400' are mounted on the side walls 32, 330, the light guide plate 1 is centered in the case where both sides are pressed. (S) 16 I3?5〇86 As shown in Fig. 14, the elastic positioning member 4 is mounted on the side wall 320 of the positioning frame 3', wherein the outer protrusion 42i of the elastic positioning member is located on the optical film supporting surface 322. In the lower cavity 323, the second side thereof abuts against the cavity wall of the cavity 323 of the side wall 32, and the first side abuts against the light guide plate 1 to position the light guide plate. The light guide plate 100 is also attached directly or indirectly to the bottom plate 310 of the positioning frame 300 through the adhesive layer 500. The elastic positioning member 4 is used to align the centering guide without the residual glue phenomenon caused by the existing method. The adhesive layer 500 usually comprises a plastic material f, which is formed as a reflective surface on the adhesive layer surface, and the reflective surface may contain a light reflective metal material or a non-metal material such as a white or black organic paint. . The two straight sections of the constricted neck pass through the through holes on the optical film supporting surface 322 and the positioning holes 21 on the optical film 200, and the optical film is finely oriented in the face line direction: the reverse buckle portion 423 _ Straight section presses the optical film fine 2〇〇 for normal direction positioning.兀 朕 朕 朕 另外 另外 另外 另外 另外 另外 朕 朕 朕 朕 另外 另外 另外 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 If the @I5a's tf' is positioned in the elastic positioning element without using the present invention, the ineffective light-emitting area of the light guide plate (10) exhibits a 101 offset 'as shown in the '15b'. The elastic positioning element of the present invention is provided for the light guide plate. When 100 pairs are tilted, no blackout 101 shift occurs in the inactive light-emitting area of the light guide plate 100. By contrast, the present invention has the effect of (4). However, the above description is only a preferred embodiment of the present invention, so as to limit the scope of the practice of the present invention, that is, the simple equivalent change and the description of the "17 (S) and the description of the invention according to the present invention. The patent covers the details. In addition, the present disclosure does not require the full ===3 application patent disclosed in the present invention, and the abstract portion and the title are only used to assist the patent to limit the present invention. The range β is not a simple description of the drawing. Fig. 1 is a schematic diagram of a conventional backlight module. The optical image of the optical cymbal 2 is a conventional application for a sputum type computer (Fig. 3 is a schematic diagram) Fig. 4 is a schematic view showing another way of fixing the optical film of the notebook computer (ΝΒ). The force type Fig. 5 is the fixed mode shown in Fig. 4. Figure 3 is a schematic view of an embodiment of a backlight module of the present invention. Figure 8 is a schematic view of another embodiment of the backlight module of the present invention. A schematic diagram of an example. Figure 9 is a schematic view of the present invention. Figure 10 is a schematic view of one embodiment of a positioning frame of the present invention. Figure 11 is a schematic view of another embodiment of the positioning frame of the present invention. Figure 12 is a preferred embodiment of the elastic positioning member of the present invention. Figure 13 is a schematic view showing the installation process of the elastic positioning member shown in Figure 12. 1375086 Figure 14 is a schematic view of an application embodiment of the present invention. Figure 1 allows the green to be guided before the elastic positioning of the element is not employed. Schematic diagram of black shadow offset. Ten-lead slab pairing 疋 Figure 15b is a schematic diagram of black-shake offset after elastic positioning using the present invention. Positioning of the light-bonding plate [main component symbol description] Light guide plate 1
光學膜片2 定位孔21Optical film 2 positioning hole 21
光學膜片的面線方向S 光學膜片的法線方向N 定位框架3 定位凸台31 凸台32 套合件4,4a 孔41a 彈性倒鉤42a 條帶5 導光板100 黑影101 光學膜片200 1375086 定位孔210 定位框架300 底板310 側壁 320, 330 液晶面板承托面321 光學膜片承托面322 空腔323 通孔324 彈性定位元件400 兩個彈性定位元件之間隔距離Η 彈簧410 定位元件420 外突部421 _ 縮頸部422 反扣部423 黏膠層500 (S ) 20Orientation direction of the optical film S Normal direction of the optical film N Positioning frame 3 Positioning boss 31 Boss 32 Fittings 4, 4a Hole 41a Elastic barbs 42a Strips 5 Light guide plate 100 Shading 101 Optical film 200 1375086 Locating Hole 210 Positioning Frame 300 Base Plate 310 Side Wall 320, 330 Liquid Crystal Panel Support Surface 321 Optical Diaphragm Support Surface 322 Cavity 323 Through Hole 324 Elastic Positioning Element 400 Separation Distance of Two Elastic Positioning Elements 弹簧 Spring 410 Positioning Element 420 outer protrusion 421 _ constricted neck 422 reversed portion 423 adhesive layer 500 (S ) 20