1358002 AU0608026 22035twf.doc/n 九、發明說明: 【發明所屬之技術領域】 且特別是有關於顯示器 本發明是有關於一種顯示器 的背光模組。 【先前技術】 a ’料電話㈣咖咖㈣、數位 相機(dlgltal camera)、數位攝影機⑼咖vMe〇咖筆 記型電腦(notebook)以及桌上型電料數位化卫且益不朝 =便利、多功能且美觀的方向發展。在使用這些資訊產 =時’顯4幕是不可或缺的人機溝通界面透過頌示榮 ^ ,使用者在產品的操作上更為便利。液晶顯 不益因具有電、低輻射等優點,儼然已成域示榮幕之 主流。_,由於液晶顯示器的液晶顯示面板本身無法發 光,故在液晶赫面板下方必須提供—背光·以提供^ 源’進而達到顯示的功能。 /、 圖1為習知背光模組的示意圖,而圖2為圖1之背光 模組的局部剖關。請同時參考圖丨及圖2, 忉〇中,燈箱110的反射面112為凹曲面,而燈管12〇、是 放置於反射面m交界的山峰處。在—般小尺 = 中:燈管12 0可以藉由背光模組10 0之燈箱110的框架!二 f達到定位的目的。然而,為了因應大尺寸的顯示器時, 背光模組1GG的尺寸也隨著變大,若是沿料種故置燈管 2〇的方式,燈管120容易因為重力的影響而彎曲,進而 5 1358002 AU0608026 22035twf.doc/n 影響顯示器的光學效果。 【發明内容】 本發明之目的是提供一種可提供顯示面板良好光源的 背光模組。1358002 AU0608026 22035twf.doc/n IX. Description of the Invention: [Technical Field of the Invention] In particular, the present invention relates to a backlight module for a display. [Prior technology] a 'material phone (four) coffee (four), digital camera (dlgltal camera), digital camera (9) coffee vMe coffee notebook (notebook) and desktop type digital material and health benefits and benefits = convenient, more Functional and aesthetically oriented. When using these information products, the screen is an indispensable human-computer communication interface. By means of the display, the user is more convenient in the operation of the product. The liquid crystal display is not good because of its advantages of electricity and low radiation, and it has become the mainstream of the honor screen. _, since the liquid crystal display panel of the liquid crystal display itself cannot emit light, it is necessary to provide a function of "backlighting" to provide a display under the liquid crystal panel. FIG. 1 is a schematic diagram of a conventional backlight module, and FIG. 2 is a partial cross-sectional view of the backlight module of FIG. 1. Referring to FIG. 2 and FIG. 2 simultaneously, the reflecting surface 112 of the light box 110 is a concave curved surface, and the tube 12 is placed at the peak of the boundary of the reflecting surface m. In the general small rule = medium: the lamp 12 0 can be used by the frame of the light box 110 of the backlight module 100! Two f achieve the purpose of positioning. However, in order to respond to the large-sized display, the size of the backlight module 1GG also becomes larger. If the lamp tube 2 is placed along the material type, the lamp tube 120 is easily bent by the influence of gravity, and thus 5 1358002 AU0608026 22035twf.doc/n Affects the optical effects of the display. SUMMARY OF THE INVENTION It is an object of the present invention to provide a backlight module that provides a good light source for a display panel.
為達上述或是其他目的,本發明提出一種背光模組, 其包括一擴散板、一框架以及至少一光源。框架配置於擴 散板的一侧,且框架有一波浪型底板及一侧板,其中波浪 型底板與侧板連接。波浪型底板有多個光源支撐座,其中 光源支撐座與波浪型底板為一體成型的結構。光源配置於 框架之波浪型底板與擴散板之間,其中光源支撐座用以支 承(hold)這些光源。To achieve the above or other objects, the present invention provides a backlight module including a diffusion plate, a frame, and at least one light source. The frame is disposed on one side of the diffusion plate, and the frame has a wave-shaped bottom plate and a side plate, wherein the wave-shaped bottom plate is connected to the side plate. The wave type bottom plate has a plurality of light source support seats, wherein the light source support base and the wave type bottom plate are integrally formed. The light source is disposed between the wave-shaped bottom plate of the frame and the diffuser plate, wherein the light source support seat is used to hold the light sources.
在本發明之一實施例中, 型。 在本發明之一實施例中, 樹脂。 在本發明之一實施例中, 在本發明之一實施例中, 型底板的波峰。 在本發明之一實施例中 在本發明之一實施例中 上述之底板與側板為一體成 上述之波浪型底板的材質為 上述之側板的材質為金屬。 上述之光源支撐座位於波浪 上述之光源支撐座為卡釣。 上述之波浪型底板更包括一 隨機分布於底板的擴散板支撐座,其中擴散板支撐座與波 浪型底板為一體成型。 在本發明之一實施例中,上述之更包括一反射片,此 6 1358002. · AU0608026 22035twtdoc/n 反射片貼附於波浪型底板朝向擴散板的表面。 在本發明之一實施例中,上述之光源為有機發光二極 體(LED)或冷陰極平面螢光燈管(CCFL)。 在本發明之背光模組中,光源支撐座與波浪型底板是 一體成型的結構,因此可以節省加工的成本。此外,光源 支樓座可以支承燈管狀的光源,防止燈管變形,讓背光模 組能夠提供均勻的光源給顯示面板。 φ 為讓本發明之上述和其他目的、特徵和優點能更明顯 易懂,下文特舉一實施例,並配合所附圖式,作詳細說明 如下。 【實施方式】 圖3為本發明之背光模組的剖面圖,而圖4為圖3之 背光模組的立體分解圖。請同時參考圖3及圖4,背光模 組200包括一擴散板210、一框架220以及至少一光源 230。框架220配置於擴散板210的一侧,其中擴散板21〇 *· 置放於框架220上。框架220有一波浪型底板222及一側 板224 ’其中波浪型底板222與侧板224連接。在本實施 例中’波浪型底板222與側板224為一體成型的結構,且 其波浪型底板222的材質可以是樹脂。此外,波浪型底板 222與側板224也可以不是一體成型的結構。換言之,側 板224可以是金屬或是其他材質,且側板224可藉由螺絲 鎖固、黏膠或膠帶貼附等方式,以與波浪型底板222連接。 波浪型底板222有多個光源支撐座222a,其中光源支 7 1358002 . AU0608026 22035twf.doc/n 撐座222a疋與波/良型底板222 —體成型的結構。換言之, 在形成本實施例之波浪型底板222時*便以射出成型的方 式同時形成光源支樓座222a。在本實施例中,光源支撐座 222a可以是卡鉤,且其位於波浪型底板222的波峰。 光源230配置於框架220之波浪型底板222與擴散板 210之間,其令光源支撐座222a是用以支承這些光源23〇。 洋細地說’光源支樓座222a卡釣住光源230,因此光源230 可以穩固地被光源支撐座222a固定住。 雖然圖4示之光源230為冷陰極平面螢光燈管,但熟 習該項技藝者也可以將冷陰極平面螢光燈管以條狀的有機 發光二極體、片狀的有機發光二極體矩陣或是其他光源代 替。 當組裝本實施例之背光模組200時,是先將光源23〇 置於框架220内,並將光源230的兩端卡置於框架220的 定位結構(未標示)中,然後將光源230的中間部份卡置入 為卡鉤的光源支撐座222a中。之後,利用鎖固件240將光 源230的兩端與框架220的定位結構固定。最後,將擴散 板210置於框架上220,再用一前框250將擴散板210固 定於框架220上。 值得注意的是’由於本實施例之光源支撐座222a可以 是對稱地或隨機地射出成型於波浪型底板222上,以支承 光源230,因此光源230不會因為重力影響而彎曲變形, 背光模組200便能夠維持良好的光學特性。 另外’由於光源支撐座222a是位於波浪型底板222 8 1358002 AU0608026 22035twf.doc/n 或者’為了有效防止背光模組200發生側邊漏光的可能 性’在用金屬或是其他具反射功能之材質製成的側板224 上’也可以貼附反射片260。 此外,為了防止擴散板210彎曲而影響背光模組200 的光學效率,因此波浪型底板222可以更包括多個擴散板 支樓座222c ’其中擴散板支撐座222c為隨機分布於波浪 型底板222上。在本實施例令,擴散板支撐座222c為圓錐In an embodiment of the invention, the type. In one embodiment of the invention, a resin. In an embodiment of the invention, in one embodiment of the invention, the peak of the shaped base plate. In an embodiment of the invention, in the embodiment of the invention, the bottom plate and the side plate are integrally formed. The material of the wave bottom plate is that the material of the side plate is metal. The light source support seat described above is located on the wave. The light source support seat is a card fishing. The wave-shaped bottom plate further includes a diffusion plate support seat randomly distributed on the bottom plate, wherein the diffusion plate support base is integrally formed with the wave-wave type bottom plate. In an embodiment of the invention, the above further comprises a reflective sheet, which is 6 1358002. AU0608026 22035twtdoc/n The reflective sheet is attached to the surface of the wave-shaped bottom plate facing the diffusion plate. In one embodiment of the invention, the light source is an organic light emitting diode (LED) or a cold cathode planar fluorescent tube (CCFL). In the backlight module of the present invention, the light source support base and the wave type bottom plate are integrally formed, so that the processing cost can be saved. In addition, the light source support can support the light source of the lamp to prevent the lamp from being deformed, so that the backlight module can provide a uniform light source to the display panel. The above and other objects, features, and advantages of the present invention will become more apparent from the aspects of the invention. 3 is a cross-sectional view of a backlight module of the present invention, and FIG. 4 is an exploded perspective view of the backlight module of FIG. 3. Referring to FIG. 3 and FIG. 4 simultaneously, the backlight module 200 includes a diffusion plate 210, a frame 220, and at least one light source 230. The frame 220 is disposed on one side of the diffusion plate 210, wherein the diffusion plate 21 is placed on the frame 220. The frame 220 has a wave-shaped bottom plate 222 and a side plate 224' in which the wave-shaped bottom plate 222 is coupled to the side plate 224. In the present embodiment, the wave-shaped bottom plate 222 and the side plate 224 are integrally formed, and the material of the wave-shaped bottom plate 222 may be resin. Further, the wave-shaped bottom plate 222 and the side plate 224 may not be integrally formed. In other words, the side panels 224 may be metal or other materials, and the side panels 224 may be attached to the wave-shaped bottom panel 222 by screwing, adhesive or tape attachment. The wave-shaped bottom plate 222 has a plurality of light source support seats 222a, wherein the light source support 7 1358002. AU0608026 22035twf.doc/n support 222a疋 and the wave/good base plate 222 are integrally formed. In other words, when the wave-shaped bottom plate 222 of the present embodiment is formed, the light source branch base 222a is simultaneously formed by injection molding. In the present embodiment, the light source support base 222a may be a hook and it is located at the crest of the wave-shaped bottom plate 222. The light source 230 is disposed between the wave-shaped bottom plate 222 of the frame 220 and the diffuser plate 210, so that the light source support base 222a is for supporting the light sources 23A. The light source support 222a is used to catch the light source 230, so that the light source 230 can be firmly fixed by the light source support 222a. Although the light source 230 shown in FIG. 4 is a cold cathode planar fluorescent tube, those skilled in the art can also use a cold cathode fluorescent tube as a strip-shaped organic light-emitting diode or a sheet-shaped organic light-emitting diode. Matrix or other light source instead. When the backlight module 200 of the embodiment is assembled, the light source 23 is first placed in the frame 220, and the two ends of the light source 230 are clamped in the positioning structure (not labeled) of the frame 220, and then the light source 230 is The middle portion of the card is placed in the light source support 222a which is a hook. Thereafter, both ends of the light source 230 are fixed to the positioning structure of the frame 220 by the fastener 240. Finally, the diffusion plate 210 is placed on the frame 220, and the diffusion plate 210 is fixed to the frame 220 by a front frame 250. It should be noted that the light source support 222a of the present embodiment can be symmetrically or randomly formed on the wave-shaped bottom plate 222 to support the light source 230. Therefore, the light source 230 is not bent and deformed due to the influence of gravity. 200 can maintain good optical properties. In addition, since the light source support base 222a is located on the wave-shaped bottom plate 222 8 1358002 AU0608026 22035twf.doc/n or 'in order to effectively prevent the side light leakage of the backlight module 200, it is made of metal or other reflective material. The reflective sheet 260 may also be attached to the formed side plate 224. In addition, in order to prevent the diffusion plate 210 from being bent to affect the optical efficiency of the backlight module 200, the wave-shaped bottom plate 222 may further include a plurality of diffusion plate support bases 222c', wherein the diffusion plate support seats 222c are randomly distributed on the wave-shaped bottom plate 222. . In this embodiment, the diffuser plate support 222c is a cone
或圓柱’且其也可以是在製作波浪型底板222的同時,利 用射出成型的方法形成。 綜上所述,在本發明之背光模組中,由於在製作波浪 型底板時便將光源支撐座一併射出成型,因此可以節省將 光源支撐座組裝至波浪型底板的組裝零件成本與組裝工 時。此外’光源支撐座可以支承光源,以防止光源彎曲變 形,背光模組便能夠提供均勻的光源給顯示面板, 器具有良好的顯示品質。 ,肩不Or a cylinder' and it may also be formed by injection molding while making the wave-shaped bottom plate 222. In summary, in the backlight module of the present invention, since the light source support base is integrally injection molded when the wave type bottom plate is fabricated, the assembly cost and assembly of the light source support base to the wave type bottom plate can be saved. Time. In addition, the light source support can support the light source to prevent the light source from being bent and deformed, and the backlight module can provide a uniform light source to the display panel, and the device has good display quality. Should not shoulder
—雖然本發明已以一實施例揭露如上,然其並非用以限 定本發明’任何所屬肋領域中具有通常知識者,在二 月之精神和範圍内’當可作些許之更動與潤飾,^ ^本發明之保護範圍當視後附之申請專利範圍所界定者 【圖式簡單說明】 圖1為習知背光模組的示意圖。 圖2為圖1之背光模組的局部剖面圖。</ RTI> Although the invention has been disclosed in an embodiment above, it is not intended to limit the invention to the ordinary knowledge of any of the ribs in the field, and in the spirit and scope of February, 'something can be changed and retouched, ^ The scope of the present invention is defined by the scope of the appended claims. [FIG. 1 is a schematic diagram of a conventional backlight module. 2 is a partial cross-sectional view of the backlight module of FIG. 1.