M327042 八、新型說明： 【新型所屬之技術領域】 本創作係提供一種稜鏡片，特別在提供一種應用於背 光模組中，使整體背光模組之輝度大為提升之稜鏡片結 構0 【先前技術】 帶有侧光照明背光單元之液晶顯示器，由於體積小、 重量輕、並且亮度均勻，因此於筆記本電腦、車載顯示器、 手機等領域有廣泛應用。液晶顯示器之背光模組係一個能 將分散點光源或線光源轉化成均勻平面光源之光學機 構。隨著液晶顯示器應用領域之拓展，對以導光板為主之 背光技術提出了更高要求，主要表現於：高亮度、低成本、 低能耗、輕薄化等。 如第一圖所示，目前傳統之背光模組1包括光源 10、導光板12、數牧光學膜片以及顯示面板14，根據功 能不同，光學膜片分別有：反射片11以及擴散片13。其 中反射片11係將未被散射之光線再導入導光板12中，擴 散片13使光線形成漫射而均勻擴散，消除導光板12上 微結構形成之免區。 其中，該導光板12直接在上、下板面建構有呈連續 鋸齒溝槽狀的光學結構121，其設於導光板12上、下板 面之光學結構121係分別成X、Y方向排列，例如設於上 板面之光學結構121係成垂直排列，而下板面之光學結構 5 M327042 121則形成水平排列，讓光源ι〇入射的直進光經過導光 板12轉換成垂直平面光之後，再經過導光板12板面的光 學結構121使光線在X、γ方向集光並調整光線發散角 度’而導光板12上方所設置之數枚光學膜片可以為擴散 片13以及第一、二稜鏡片16、17,其中該第一、二稜鏡 片16、17請同時參閱第二圖所示係設有複數稜鏡結構 16卜171，各複數稜鏡結構i61、m係分別垂直排列於 第一稜鏡片16,以及水平排列於之第二稜鏡片Η上表 面，且各稜鏡結構161、171佈設於整個上表面。 【新型内容】 本創作之主要目的係在於提供一種應用於背光模組 中’使整體背光模組之輝度大為提升之稜鏡片結構。 有鑑於此’本創作之稜鏡片設有一出光面，該出光面 上並設有複數稜鏡結構，該稜鏡片係應用於背光模組中， 各稜鏡結構係成垂直排列，且各稜鏡結構之長度係小於出 光面之長度，使光源經由該稜鏡片射出後使整體背光模組 之輝度大為提升。 【實施方式】 為使貴審查委員方便了解本創作之内容，及所能達 成之功效、茲配合圖式列舉具體實施例，詳細介紹說明如 下： 本創作「稜鏡片及背光模組結構改良」，該稜鏡片2 6 M327042 之基本結構組成如第三圖（A)之第一實施例所示，該稜鏡 片2設有一出光面21，該出光面21上並設有複數棱鏡結 構22，各稜鏡結構22之長度（L1)係小於出光面21之長 度（L2)，且如圖所示之實施例中，該稜鏡片2並設有與出 光面21相交之第一、二側面23、24，各稜鏡結構22包 含有至少一脊部221以及二底部222，該脊部221以及二 •底部222係由該第一側面23朝第二側面24形成高度漸減 且直線之延伸，且各稜鏡結構22之高度相同，而各棱鏡 • 結構22間係接續排列；當然，各稜鏡結構22間亦可有間 距，如第三圖（B)所示。 如第四圖所示為本創作之稜鏡片應用於背光模組之 結構立體圖，其至少包含有：導光板3、光源4、稜鏡片 2以及擴散片5，該導光板3具有一入光面31、一與該入 光面31相交之底面32，以及一與該底面32相對之出光 面33，該底面32及出光面33係建構有複數溝槽狀的光 學結構34,該底面32及出光面33之光學結構34係分別 • 成X、Y方向排列，如圖所示之實施例中，該底面32之 、光學結構34係成水平排列，而出光面33之光學結構34 則形成垂直排列，該光源4則設置於對應該導光板入光面 31之一側，而導光板3上方則依序設有稜鏡片2以及擴 散片5。 其中，該稜鏡片2設有一出光面21，該出光面21上 並設有複數稜鏡結構22，各稜鏡結構22係成垂直排列， 且各稜鏡結構22之長度（L1)係小於出光面21之長度 7 • M327042 (L2)，故光源4之光線由導光板入光面31進入導光板3, 再由出光面33射出，並經由稜鏡片2之各稜鏡結構22 後，不僅提升整體背光模組之亮度，更可提高輝度。 如第五圖（A)所示之第二實施例中，該稜鏡片出光面 21上各稜鏡結構22之長度（L1)係小於出光面21之長度 (L2)，各稜鏡結構22之脊部221以及二底部222係由該 -第一側面23朝第二側面24形成高度漸減且直線之延伸， .且各稜鏡結構22於第一側面23所形成之高度不相同，而 * 各稜鏡結構22間係接續排列；當然，各棱鏡結構22間亦 可有間距，如第五圖（B)所示。 如第六圖（A)所示之第三實施例中，該稜鏡片出光面 21上各稜鏡結構22之長度（L1)同樣小於出光面21之長 度（L2)，各稜鏡結構22之脊部221以及二底部222係由 該第一側面23朝第二側面24形成高度漸減且形成曲線之 延伸，各稜鏡結構22間係接續排列【各稜鏡結構22間亦 可有間距，如第六圖（B)所示】，且各稜鏡結構22之高度 • 相同，【而各棱鏡結構22於第一側面23所形成之高度不 '相同，如第六圖（C)所示或第六圖（D)所示】。 如第七圖（A)所示之第四實施例中，該稜鏡片出光面 21上各稜鏡結構22之長度（L1)同樣小於出光面21之長 度（L2)，各稜鏡結構22之脊部221係由該第一側面23 朝第二侧面24形成高度漸減且形成曲線之延伸，而各棱 鏡結構22之二底部222係由該第一侧面23朝第二侧面 24形成高度漸減且形成直線之延伸，各棱鏡結構22間係 8 • M327042 接續排列【各稜鏡結構22間亦可有間距，如第七圖（B) 所示】’且.各稜鏡結構22之高度相同，【而各稜鏡結構22 於第一側面23所形成之高度不相同，如第七圖（c)所示或 第七圖（D)所示】；當然，第四實施例中之脊部為直線之延 伸，而一底部則形成曲線之延伸。 如上所述，本創作提供另/較佳可行的背光模組結構 -改良，爰依法提呈新型專利之申請；惟，以上之實施說明 及圖式所不，係本創作較佳實施例者，並非以此侷限本創 藝作，疋以，舉凡與本創作之構造、裝置、特徵等近似、雷 同者，均應屬本創作之創設目的及申請專利範圍之内。 【圖式簡單說明】M327042 VIII. New Description: [New Technology Field] This creation provides a cymbal film, especially in a cymbal structure that is applied to a backlight module to greatly enhance the brightness of the overall backlight module. 】 Liquid crystal display with side lighting backlight unit, because of its small size, light weight, and uniform brightness, it is widely used in notebook computers, car monitors, mobile phones and other fields. The backlight module of a liquid crystal display is an optical mechanism that converts a scattered point source or a line source into a uniform planar source. With the expansion of the application field of liquid crystal displays, higher requirements have been put forward on the backlight technology based on light guide plates, mainly in the following aspects: high brightness, low cost, low energy consumption, light weight and the like. As shown in the first figure, the conventional backlight module 1 includes a light source 10, a light guide plate 12, a digital optical film, and a display panel 14. The optical film has a reflective sheet 11 and a diffusing sheet 13 according to different functions. The reflection sheet 11 re-introduces the unscattered light into the light guide plate 12, and the diffusion sheet 13 diffuses the light to uniformly diffuse, thereby eliminating the free area formed by the microstructure on the light guide plate 12. The optical structure 12 has a continuous sawtooth-shaped optical structure 121 directly on the upper and lower plate surfaces, and the optical structures 121 disposed on the light guide plate 12 and the lower plate surface are arranged in the X and Y directions, respectively. For example, the optical structures 121 disposed on the upper surface are vertically aligned, and the optical structure 5 M327042 121 of the lower surface is horizontally arranged, so that the direct light incident from the light source is converted into vertical plane light through the light guide plate 12, and then The optical structure 121 passing through the surface of the light guide plate 12 allows the light to be collected in the X and γ directions and adjusts the light divergence angle '. The plurality of optical films disposed above the light guide plate 12 may be the diffusion sheet 13 and the first and second sheets. 16, 17, wherein the first and second cymbals 16, 17 please also refer to the second figure, which is provided with a plurality of 稜鏡 structures 16 171, and each of the complex 稜鏡 structures i61 and m are vertically arranged on the first rib. The lens 16 is horizontally arranged on the upper surface of the second cymbal cymbal, and each of the cymbal structures 161, 171 is disposed on the entire upper surface. [New Content] The main purpose of this creation is to provide a cymbal structure that is applied to a backlight module to greatly enhance the brightness of the overall backlight module. In view of the fact that the 稜鏡 本 本 设有 设有 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本The length of the structure is smaller than the length of the light-emitting surface, so that the light source is greatly emitted by the light source after the light source is emitted. [Embodiment] In order to make it easier for your review committee to understand the contents of this creation, and the functions that can be achieved, please refer to the specific examples in the drawings. The details are as follows: The creation of the "slice and backlight module structure improvement", The basic structure of the cymbal 2 6 M327042 is as shown in the first embodiment of the third figure (A). The cymbal 2 is provided with a light-emitting surface 21, and the light-emitting surface 21 is provided with a plurality of prism structures 22, each edge The length (L1) of the mirror structure 22 is smaller than the length (L2) of the light-emitting surface 21, and in the embodiment shown in the figure, the cymbal 2 is provided with the first and second sides 23, 24 intersecting the light-emitting surface 21. Each of the ridge structures 22 includes at least one ridge 221 and two bottom 222. The ridge 221 and the bottom 222 are formed by the first side 23 toward the second side 24 with a decreasing height and a straight line extending, and each rib The heights of the mirror structures 22 are the same, and the prisms and structures 22 are successively arranged; of course, there may be a space between the respective structures 22, as shown in the third figure (B). As shown in the fourth figure, a perspective view of the structure of the present invention applied to the backlight module includes at least a light guide plate 3, a light source 4, a cymbal 2 and a diffusion sheet 5, the light guide plate 3 having a light incident surface 31. A bottom surface 32 intersecting the light incident surface 31, and a light exit surface 33 opposite to the bottom surface 32. The bottom surface 32 and the light exit surface 33 are formed with a plurality of grooved optical structures 34, and the bottom surface 32 and the light exiting surface The optical structures 34 of the face 33 are respectively arranged in the X and Y directions. In the embodiment shown in the figure, the optical structures 34 of the bottom surface 32 are horizontally arranged, and the optical structures 34 of the light exit surface 33 are vertically arranged. The light source 4 is disposed on one side of the light-incident surface 31 of the light guide plate, and the cymbal sheet 2 and the diffusion sheet 5 are sequentially disposed above the light guide plate 3. The cymbal sheet 2 is provided with a light-emitting surface 21, and the light-emitting surface 21 is provided with a plurality of raft structures 22, and the raft structures 22 are vertically arranged, and the length (L1) of each raft structure 22 is smaller than the light-emitting surface. The length of the surface 21 is 7 • M327042 (L2), so that the light of the light source 4 enters the light guide plate 3 from the light incident surface 31 of the light guide plate, and is emitted from the light exit surface 33, and is not improved by the respective structures 22 of the cymbal sheet 2 The brightness of the overall backlight module can increase the brightness. In the second embodiment shown in FIG. 5A, the length (L1) of each of the ridge structures 22 on the illuminating surface 21 of the cymbal is smaller than the length (L2) of the illuminating surface 21, and each cymbal structure 22 The ridge portion 221 and the two bottom portions 222 are formed by the first side surface 23 toward the second side surface 24 with a decreasing height and a straight line extending, and the heights of the respective side structures 23 formed on the first side surface 23 are different, and each The 稜鏡 structure 22 is arranged in succession; of course, there may be a space between the prism structures 22, as shown in the fifth figure (B). In the third embodiment shown in FIG. 6(A), the length (L1) of each of the ridge structures 22 on the illuminating surface 21 of the cymbal is also smaller than the length (L2) of the illuminating surface 21, and each cymbal structure 22 The ridges 221 and the second bottom portions 222 are formed by the first side surface 23 toward the second side surface 24 with a decreasing height and forming a curved line. The raft structures 22 are connected in series. [The raft structures 22 may also have a spacing, such as 6(B)], and the heights of the respective structures 22 are the same, [the height of each prism structure 22 formed on the first side 23 is not the same, as shown in the sixth figure (C) or Figure 6 (D) shows. In the fourth embodiment shown in FIG. 7(A), the length (L1) of each of the ridge structures 22 on the illuminating surface 21 of the cymbal is also smaller than the length (L2) of the illuminating surface 21, and each cymbal structure 22 The ridge portion 221 is formed by the first side surface 23 toward the second side surface 24 with a decreasing height and forming a curved extension, and the two bottom portions 222 of each prism structure 22 are gradually reduced in height from the first side surface 23 toward the second side surface 24 and formed. The extension of the straight line, each prism structure 22 is 8 • M327042 is arranged successively [there may also be spacing between the two structures 22, as shown in the seventh figure (B)] and the heights of the respective structures 22 are the same, [ The heights of the respective structures 22 formed on the first side 23 are different, as shown in the seventh figure (c) or the seventh figure (D); of course, the ridges in the fourth embodiment are straight lines. The extension extends while a bottom forms an extension of the curve. As described above, the present invention provides another/better-featured backlight module structure-improvement, and the application for a new patent is proposed according to the law; however, the above embodiments and drawings are not the preferred embodiment of the present invention. This is not a limitation of this creative work, and the similarity and similarity to the structure, installation, and features of this creation should be within the creation purpose and patent application scope of this creation. [Simple description of the map]
第五圖（A)、 組之結構立體圖。 一第二實施例稜鏡片之結構立體 第六圖（A)、Figure 5 (A), a perspective view of the structure of the group. A second embodiment of the structure of the cymbal is three-dimensional (A),
、（B)、 之結構立體圖。, (B), the structural perspective view.
創作第四實施例稜鏡片 9 .M327042 【主要元件代表符號說明】 背光模組1 光源10 反射片11 導光板12 光學結構121 擴散片13 顯不面板14 擴散片15 第一稜鏡片16 稜鏡結構161 第二稜鏡片17 棱鏡結構171 稜鏡片2 出光面21 稜鏡結構22 脊部221 底部222 第一侧面23 第二側面24 導光板3 入光面31 底面32 出光面33 光學結構34 光源4 擴散片5Creation of the fourth embodiment cymbal 9. M327042 [Main component representative symbol description] Backlight module 1 Light source 10 Reflecting sheet 11 Light guide plate 12 Optical structure 121 Diffuser 13 Display panel 14 Diffusion sheet 15 First cymbal 16 稜鏡 Structure 161 second cymbal 17 prism structure 171 cymbal 2 light-emitting surface 21 稜鏡 structure 22 ridge 221 bottom 222 first side 23 second side 24 light guide plate 3 light-incident surface 31 bottom surface 32 light-emitting surface 33 optical structure 34 light source 4 diffusion Piece 5