M400593 五、新型說明： 【新型所屬之技術領域】 本創作關於一種導光板及具有前述導光板的背光模組。M400593 V. New description: [New technical field] The present invention relates to a light guide plate and a backlight module having the foregoing light guide plate.
I 【先前技術】 圖6為一習知背光模組的示意圖。如圖6所示，背光模組1〇〇包 含一光源102、一導光板104、一光學膜片組106及一反射片108。 • 光源102適於提供一光束，且導光板1〇4適於導引光源1〇2所提供的 光束。因加工精密度提高’目前通用的導光板網點蝕刻深度可至 1-5微米。因此’導光板1〇4上的網點微結構11〇的高度d僅約為 微米，使導光板104與反射片1〇8之間的空間極小，如此導光板1〇4 谷易摩擦刮傷反射片108(如圖7所示)或吸附反射片108(如圖8所 示），導致畫面表現不佳。 於其他的習知設計中’台灣專利公告號1292845揭露一種包含 ♦反射網點與反射直線的導光板，且反射網點與反射直線為弧形凸 起結構物。台灣專利公告號M35g989揭露一種具有不同高度之稜 鏡柱的透光基體。台灣專利公開號2〇〇84673〇揭露導光板之出光面 可形成複數個弧形結構物以消除亮線，且台灣專利公告號 M350026揭路導光板之出光面可設有複數個柱狀透鏡以避免產生 亮點。 【新型内容】 3 M400593 〃他目的和優點可以從本創作所揭露的技術特徵中 仵到進步的了解。為達上述之—或部份或全部目的或是其他目 的’賴作之—實施例提供—種導光板，包含-人光面、—出光 ^面、—絲、複數侧雜結構、複數舰形間_及複數個柱 .狀透鏡。入光面設置於鄰近光源位置處，出光面連接入光面並盘 #入光面夹-角度，底面連接入光面並相對出光面設置。網點微結 構及弧形間隔物形成於底面上，各佩形間隔物相職面的高产 大於各個網點微結構相對底_高度1各個弧關隔物具有二 圓弧面或—_弧面的截面外形。柱狀透鏡形成於出光面上’柱 狀透鏡沿-第-方向排列及沿—第二方向延伸，且第—方向與第 二方向實質上垂直。 於—實施例中，各個弧形間隔物沿第一方向排列且沿第二方 _向延伸’其中第一方向實質上垂直於入光面且第二方向實質上平 行於入光面，且各個弧形間隔物於第二方向上的長度實質上等於 入光面的長度。 於一實施例中，各個弧形間隔物沿第一方向排列且沿第二方 向L伸，第一方向實質上平行於入光面且第二方向實質上垂直於 入光面。 、 於—實施例中，每兩相鄰的弧形間隔物具有一間距，且這些 4 M4UU593 弧形間隔物關距彼此相同。 於-實施例中，弧形間隔物係以亂數分佈方式形成於底面 上’且各個弧利隔物於第二方向上的長度大於第—方向上的長 於-實施财，兩相鄰的柱狀透鏡彼此相連或具有—間距。I [Prior Art] FIG. 6 is a schematic diagram of a conventional backlight module. As shown in FIG. 6, the backlight module 1 includes a light source 102, a light guide plate 104, an optical film group 106, and a reflection sheet 108. • The light source 102 is adapted to provide a light beam, and the light guide plate 1〇4 is adapted to direct the light beam provided by the light source 1〇2. Due to improved processing precision, the current common light guide plate dot etching depth can be 1-5 microns. Therefore, the height d of the dot microstructure 11 上 on the light guide plate 1 〇 4 is only about micrometer, so that the space between the light guide plate 104 and the reflection sheet 1 〇 8 is extremely small, so that the light guide plate 1 〇 4 valley is easily rubbed and scratched. The sheet 108 (shown in Figure 7) or the absorbing reflective sheet 108 (shown in Figure 8) results in poor picture performance. In other conventional designs, Taiwan Patent Publication No. 1,292,845 discloses a light guide plate comprising a reflection dot and a reflection line, and the reflection dot and the reflection line are arc-shaped projection structures. Taiwan Patent Publication No. M35g989 discloses a light-transmitting substrate having prismatic columns of different heights. Taiwan Patent Publication No. 2〇〇84673 discloses that a light-emitting surface of a light guide plate can form a plurality of curved structures to eliminate bright lines, and the light-emitting surface of the light guide plate of Taiwan Patent Publication No. M350026 can be provided with a plurality of cylindrical lenses. Avoid creating highlights. [New Content] 3 M400593 目的 Other purposes and advantages can be improved from the technical features revealed in this creation. A light guide plate is provided for the above-mentioned or some or all of the objects or other purposes - the embodiment includes - a human face, a light exit face, a wire, a complex side hybrid structure, a plurality of ship shapes Between _ and a plurality of columns. The light-incident surface is disposed at a position adjacent to the light source, and the light-emitting surface is connected to the light surface and the light-incident surface is clipped-angled, and the bottom surface is connected to the light surface and disposed opposite to the light-emitting surface. The dot microstructure and the curved spacer are formed on the bottom surface, and the high yield of each of the pad-shaped spacers is larger than the micro-structures of the respective dots. The height of each of the arc-shaped spacers has a circular arc surface or a cross section of the arc surface. shape. The lenticular lens is formed on the light exiting surface. The cylindrical lens is arranged in the -first direction and extends in the second direction, and the first direction is substantially perpendicular to the second direction. In an embodiment, each of the arcuate spacers is arranged in a first direction and extends along a second direction, wherein the first direction is substantially perpendicular to the light incident surface and the second direction is substantially parallel to the light incident surface, and each The length of the arcuate spacer in the second direction is substantially equal to the length of the light incident surface. In one embodiment, each of the arcuate spacers is aligned in a first direction and extends in a second direction L, the first direction being substantially parallel to the light incident surface and the second direction being substantially perpendicular to the light incident surface. In the embodiment, each of the two adjacent arc spacers has a pitch, and the 4 M4 UU593 arc spacers have the same distance from each other. In the embodiment, the arc spacers are formed on the bottom surface in a random number distribution manner, and the length of each of the arc spacers in the second direction is longer than the length in the first direction, and the two adjacent columns are The lenses are connected to each other or have a spacing.
本創作之另-實施例提供一種背光模組，包含至少一光源、 一導光板、-光學膜片組以及―反射片。導光板包含—入光面、 一出光面 底面、複數個顺微結構、複數概_隔物及複 數個柱狀透鏡。人絲設置於㈣絲位置處，出絲連接入光 面並與入光面夾-纽，絲連接人光面並姆出光面設置。網 點微結構及卿間隔物軸於底面上，各値卵祕相對底面 的高度大於各個網點微結構相對底面的高度，且各個弧形間隔物 具有-圓弧面或-弧面的截面外形。柱狀透鏡形成於出光面Another embodiment of the present invention provides a backlight module including at least one light source, a light guide plate, an optical film set, and a "reflection sheet." The light guide plate comprises a light-incident surface, a light-emitting surface, a plurality of microstructures, a plurality of spacers, and a plurality of cylindrical lenses. The human wire is placed at the position of the (four) wire, and the wire is connected to the light surface and is sandwiched with the light-incident surface, and the wire is connected to the human light surface and the light surface is set. The dot microstructure and the axis of the spacer are on the bottom surface, and the height of each egg secret to the bottom surface is greater than the height of each mesh point microstructure relative to the bottom surface, and each of the arc spacers has a cross-sectional shape of a circular arc surface or a curved surface. A lenticular lens is formed on the illuminating surface
上，柱狀透鏡沿一第一方向排列及沿一第二方向延伸且第一方 向與第二方向實質上垂直。光學膜片組設置於鄰近出光面位置 處’且反射片設置於鄰近底面位置處。 综上所述，本創作之實施例的導光板及背光模組至少具有 下列其中一個優點： 藉由上述實闕之設計’複數個弧形間隔物形成於導光板底 面上並以規則或亂數分佈方式分佈於網點微結構間可增加導光 板與反射片之間的空間，有效減少導紐與反射㈣^附或摩 5 M400593 山。並且提升畫面表現及產品良率。另外’狐形間隔物因頂 端具有11滑的弧面外形，可避免顺反則，且藉由設置柱狀透 鏡於出光面上所提供的像散效果，可霧化弧形間隔物本身於晝面 中形成的細’使_消失騎也可-併其他異物與射出毛 屑於畫面上形成的亮點。 域本_之上述和其他目的、概和優點能更鴨易懂， .下文特舉實施例並配合所附圖式，作詳細說明如下。 【實施方式】 有關本創作之前述及其他技術内容、特點與功效，在以下配合 參考圖式之實施綱詳細說明巾，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、前或後等，僅是 參考附加圖式的方向。因此，使用的方向用語是用來說明並非用 來限制本創作。 _ 圖1為依本創作一實施例之背光模組的側視圖，圖2為圖1 之背光模組的立體示意圖’其中圖2為清楚表現形成於導光板上 的結構物，省略圖1的部分光學構件。請同時參考圖1及圖2，背 光模組10包含至少一光源12、一導光板π、一光學膜片組16及 一反射片18。光源12適於提供一光束，導光板14適於導引光源 U所提供的光束。導光板14具有一入光面i4a、一出光面l4b及 一底面14c。入光面14a設置於鄰近光源12位置處，出光面i4b 連接入光面14a並與入光面14a夾一角度。底面i4c連接入光面 6Upper, the lenticular lenses are arranged in a first direction and extend in a second direction and the first direction is substantially perpendicular to the second direction. The optical film set is disposed adjacent to the exit surface position and the reflective sheet is disposed adjacent to the bottom surface. In summary, the light guide plate and the backlight module of the embodiment of the present invention have at least one of the following advantages: By the above-mentioned design, a plurality of arc spacers are formed on the bottom surface of the light guide plate and are regular or random. The distribution pattern is distributed between the dot microstructures to increase the space between the light guide plate and the reflection sheet, and effectively reduce the guide and reflection (4) or the 5 M400593 mountain. And improve picture performance and product yield. In addition, the 'fox-shaped spacer has a 11-sliding curved shape at the top to avoid the shun and reverse, and by providing the astigmatism effect provided by the lenticular lens on the light-emitting surface, the arc-shaped spacer itself can be atomized. The thinness formed in the middle can make the _ disappearing ride also - and other foreign objects and the light spots formed on the screen. The above and other objects, advantages and advantages of the present invention can be more readily understood. The following detailed description of the embodiments and the accompanying drawings are set forth below. [Embodiment] The foregoing and other technical contents, features, and effects of the present invention will be clearly described in the following detailed description of the embodiments with reference to the drawings. The directional term 'as used in the following embodiments' is, for example, up, down, left, right, front or back, etc., only referring to the direction of the additional drawing. Therefore, the directional terminology used is used to illustrate that it is not intended to limit the creation. 1 is a side view of a backlight module according to an embodiment of the present invention, and FIG. 2 is a perspective view of the backlight module of FIG. 1 , wherein FIG. 2 is a structure clearly formed on the light guide plate, and FIG. 1 is omitted. Part of the optical component. Referring to FIG. 1 and FIG. 2 simultaneously, the backlight module 10 includes at least one light source 12, a light guide plate π, an optical film group 16 and a reflection sheet 18. Light source 12 is adapted to provide a light beam and light guide plate 14 is adapted to direct the light beam provided by source U. The light guide plate 14 has a light incident surface i4a, a light exiting surface 14b, and a bottom surface 14c. The light incident surface 14a is disposed adjacent to the light source 12, and the light exiting surface i4b is coupled to the light surface 14a and is at an angle to the light incident surface 14a. The bottom surface i4c is connected to the glossy surface 6
Ma並相對出光面14b設置。光學則組16設置於鄰近出光面⑽ 位置處，且光學膜片組16例如可包含一擴散片&以及—增古片 34。反射片18設置於鄰近底面14e位置處。複數個網點微二^ 至少形成於底面Me上’網點微結構22可偏折由入光面a進入 導光板14的光束’使光束得以由出光面晰出射。網點微結構22 例如可利时砂、f射或其他製簡滿導歧M的底面…。複 數個弧_隔物24形成於底面14e上，且以規則或亂數分佈的方 式分佈於這些網點微結構22間。於本實施例中，各個弧形間隔物 24姆底面丨4e的高度η大於各_賴結構22姆底面… 的兩度h。舉例而言’於目前高精密度製程下形成的網點微結構 22的南度h可僅約微米’故弧形間隔㈣的高度η可設為大 於5微米。藉由弧形間隔物24的間隔作用可增加導光板14與反 射片！8m有效減少導光板14摩擦刮傷反射片π或吸 几射>} 18的jf形。再者，於本實施例中，複數個柱狀透鏡％ 沿實質上垂直入光面14a的方向排列於出光面⑽上並沿實質上 ^亍入光面14a的方向延伸，各個弧形間隔物24沿實質上垂直入 先面Ma的方向排列，且各個卿間隔物24沿實質上平行入光面 A的方向延伸。再者，各個弧形間隔物24可例如延伸至實質上 ;絲14a的長度。同樣地，各個柱狀透鏡％可例如延伸至 實質上等於入光面14a的長度。 、，=另實施例中’如圖3所示，複數個柱狀透鏡26可沿實質 光、…光面14a的方向排列於出光面⑽上並沿實質上垂直入 面1知的方向延伸’各個弧形間隔物24沿實質上平行入光面14a ¥400593 且各個弧形間隔物24沿實質上垂直入先面他的方 光=Γ，兩相鄰的弧形間隔物24可具有-間距T以提供 4 ’且各烟距了可彼此相同或不同 由“弧形間隔物24的垂直入光面14a方向上的長度 ^ ❿ 二弧形間隔物24例如可具有-圓弧面的截面外形:於:另 e例中，如圖5所示，各個弧形間隔物 =點卿叫且綱 卜形。於本實施例中’各個弧形間隔物24的平行入光面…方 接^長度大於垂直人光面14a方向上的長度，上述實施例藉由 =糊隔物24於平行入光面14a方向上的長度來提供較強的 古 於另—實施例中’各個弧形間隔物24的垂直人光面14a 向上的長度亦可大於平行入光面14a方向上的長度。上述各個Ma is set relative to the light surface 14b. The optical group 16 is disposed adjacent to the light exit surface (10), and the optical film group 16 can include, for example, a diffusion sheet & The reflection sheet 18 is disposed at a position adjacent to the bottom surface 14e. A plurality of dot microseconds are formed at least on the bottom surface Me. The dot microstructure 22 can deflect the light beam entering the light guide plate 14 from the light incident surface a to cause the light beam to be emitted from the light exit surface. The dot microstructure 22 is, for example, a bottom surface of a sand, a f-ray or other simplistic guide M. A plurality of arc-spacers 24 are formed on the bottom surface 14e and are distributed between the dot microstructures 22 in a regular or random number distribution. In the present embodiment, the height η of each of the curved spacers 24 is larger than the height h of each of the bottom surfaces. For example, the southness h of the dot microstructure 22 formed under the current high-precision process may be only about micrometers, so the height η of the arc-shaped spacer (four) may be set to be larger than 5 μm. The light guide plate 14 and the reflection sheet can be increased by the spacing of the curved spacers 24! 8m effectively reduces the jf shape of the light guide plate 14 by frictionally scratching the reflection sheet π or sucking several shots >} 18 . Furthermore, in the embodiment, the plurality of lenticular lenses are arranged on the light-emitting surface (10) in a direction substantially perpendicular to the light-incident surface 14a and extend in a direction substantially perpendicular to the light-emitting surface 14a, and each of the curved spacers The 24 are arranged in a direction substantially perpendicular to the front surface Ma, and each of the individual spacers 24 extends in a direction substantially parallel to the light incident surface A. Again, each of the arcuate spacers 24 can extend, for example, to substantially the length of the wire 14a. Likewise, each lenticular lens % may, for example, extend to be substantially equal to the length of the light incident surface 14a. In another embodiment, as shown in FIG. 3, a plurality of lenticular lenses 26 may be arranged on the light-emitting surface (10) in the direction of the substantial light, ... the light surface 14a and extend in a direction substantially perpendicular to the surface 1 of the surface. Each of the arcuate spacers 24 is substantially parallel to the light incident surface 14a ¥400593 and each of the arcuate spacers 24 is substantially perpendicular to the front side of the square light = Γ, and the two adjacent curved spacers 24 may have a pitch T is to provide 4' and the respective smoke distances may be the same or different from each other by the length of the "vertical light-incident surface 14a of the curved spacer 24". The second curved spacer 24 may have a cross-sectional shape of, for example, a circular arc surface. : In another example, as shown in FIG. 5, each of the arc-shaped spacers=points are called singular and singular. In the present embodiment, 'the parallel-shaped light-incident surfaces of the respective arc-shaped spacers 24 are connected to each other. Greater than the length in the direction of the vertical human face 14a, the above embodiment provides a stronger ancient embodiment - each of the arc spacers 24 by the length of the paste spacer 24 in the direction of the parallel light incident surface 14a. The length of the vertical human light surface 14a upward may also be greater than the length of the parallel light incident surface 14a.
的方向排列， 向延伸。 實施例的弧形間隔物24因頂端具有圓滑的弧面外形，可避免 反射片18。 請再參考圖i ’因弧形間隔物Μ本身容易於畫面中形成光團 因此影響視覺效果，藉由設置城韻；26於出光面⑽上所提供 的像散效果，可霧化弧形間隔物Μ本身於畫面中形成的光圏使 細消失同時也可-併其他異物與射出萄於畫面上形成的 亮點。柱狀透鏡26於出光面14b上的排列方式並不限定，例如兩 相鄰的柱狀透鏡26可彼此相連或具有一間距。 綜上所述，本創作之實施例的導光板及背光模組至少具有 下列其中一個優點： 藉由上述實施例之設計，複數個弧形間隔物形成於導光板底 面上並以規則或亂數分佈方式分佈於網點微結構間，可增加導光 板與反射片之間的空間，有效減少導光板與反射片間的吸附或摩 擦情形’藉以提升畫面表現及產品良率。另外，弧形間隔物因頂 端具有圓滑的弧面外形，可避免刮傷反射片，且藉由設置柱狀透 鏡於出光面上所提供的像散效果，可霧化弧形間隔物本身於畫面 中形成的光團，使光團消失同時也可一併消除其他異物與射出毛 屑於畫面上形成的亮點。 惟以上所述者’僅為本創作之較佳實施例而已，當不能以此 限定本創作實施之範圍，即大凡依本新型申請專利範圍及新型說 明内容所作之簡單的等效變化與修飾，皆仍屬本新型專利涵蓋之 祀圍内。另外本創作的任一實施例或申請專利範圍不須達成本創 作所揭路之全部目的或優點或特點。此外，摘要部分和標題僅是 用來輔助專利文件搜尋之用，並非用來限制本新型之權利範圍。 【圖式簡單說明】 圖1為依本創作一實施例之背光模組的側視圖。 圖2為圖1之背光模組的立體示意圖。 圖3為依本創作另一實施例之背光模組的立體示意圖。 圖4為依本創作一實施例之弧形間隔物的示意圖。 M400593 圖5為依本創作另一實施例之弧形間隔物的示意圖。 圖6為一習知背光模組的示意圖。 圖7為說明習知導光板與反射片間的摩擦現象示意圖。 圖8為說明習知導光板與反射片間的吸附現象示意圖。 【主要元件符號說明】The direction of the arrangement, the extension. The arcuate spacer 24 of the embodiment avoids the reflective sheet 18 due to its rounded curved profile at the top end. Please refer to Figure i again. Because the arc spacers are easy to form light clusters in the picture, thus affecting the visual effect, by setting the city rhyme; 26 the astigmatism effect provided on the light surface (10), the atomic arc interval can be atomized. The light that is formed by the object itself in the picture makes the fine disappearing at the same time - and other foreign matter and the light beam formed on the screen. The arrangement of the lenticular lenses 26 on the light-emitting surface 14b is not limited. For example, two adjacent lenticular lenses 26 may be connected to each other or have a pitch. In summary, the light guide plate and the backlight module of the embodiment of the present invention have at least one of the following advantages: According to the design of the above embodiment, a plurality of arc spacers are formed on the bottom surface of the light guide plate and are regular or random. The distribution mode is distributed between the dot micro-structures, which can increase the space between the light guide plate and the reflection sheet, and effectively reduce the adsorption or friction between the light guide plate and the reflection sheet, thereby improving the image performance and product yield. In addition, the curved spacer has a rounded curved shape at the top to avoid scratching the reflective sheet, and by arranging the astigmatism effect provided by the lenticular lens on the light-emitting surface, the arc-shaped spacer itself can be atomized on the screen. The light group formed in the middle makes the light group disappear and also eliminates the bright spots formed by the other foreign matter and the generated shavings on the screen. However, the above description is only a preferred embodiment of the present invention, and it is not possible to limit the scope of the implementation of the present invention, that is, the simple equivalent change and modification of the scope of the patent application and the new description of the present invention, They are still within the scope of this new patent. In addition, any embodiment or application of the present invention is not required to achieve all of the objects or advantages or features of the invention. In addition, the abstract sections and headings are only used to assist in the search for patent documents and are not intended to limit the scope of the invention. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a side view of a backlight module according to an embodiment of the present invention. 2 is a perspective view of the backlight module of FIG. 1. 3 is a perspective view of a backlight module according to another embodiment of the present invention. 4 is a schematic illustration of an arcuate spacer in accordance with an embodiment of the present invention. M400593 FIG. 5 is a schematic view of an arc spacer according to another embodiment of the present invention. FIG. 6 is a schematic diagram of a conventional backlight module. Fig. 7 is a view showing a friction phenomenon between a conventional light guide plate and a reflection sheet. Fig. 8 is a view showing the phenomenon of adsorption between a conventional light guide plate and a reflection sheet. [Main component symbol description]
10 背光模組 32 擴散片 12 光源 34 增亮片 14 導光板 100 背光模組 14a 入光面 102 光源 14b 出光面 104 導光板 14c 底面 106 光學膜片組 16 光學膜片組 108 反射片 18 反射片 110 網點微結構 22 網點微結構 T 間距 24 弧形間隔物 d ' h ' H高度 26 柱狀透鏡10 backlight module 32 diffuser 12 light source 34 brightening sheet 14 light guide plate 100 backlight module 14a light incident surface 102 light source 14b light emitting surface 104 light guide plate 14c bottom surface 106 optical film group 16 optical film group 108 reflective sheet 18 reflective sheet 110 Dot Microstructure 22 Dot Microstructure T Spacing 24 Arc Spacer d ' h ' H Height 26 Cylindrical Lens