588470 五、發明說明（1) 一、 發明所屬之技術領域 面光源為一種平面發光源，主 (LCD )之昔氺、店从，& f $為〉夜晶顯示器 CLLD )之貪先源，依型態分別有小型螢光人 發光二極體’其中唯有發光二極體 〜 古妄A夕僖科麻4 位燈為使用低工作電壓和 同可卩卩之優點廣為手機及pDA使用。 二、 先前技術 /統使用發光二極體之面光源「參閱第一圖」，盆主 片、導光板、反射層、發光二極體及 :入’再經導光板表面之均光處理上層 ίίΓΓϋ和菱鏡片產生平面光源。但由於發光二極體 屋生的光線為一立體廣备声而非承 板之#绩既X〜 仃角度’使能射入導光 才反之无綠既不元全也不均勻。 三、發明内容 、本發明人從事發光二極體與面光源研發有多年經驗， j多項多國發光二極體與面光源相關㈣，另在針 宁上有關發光二極體之面光源缺失作進一步研究，並提 =新構想且容易製作面光源之改良方法，係以側邊菱鏡 來集中和均勻發光二極體的光線。 ^ 本f明係一種LED面光源之改良方法，其主要係由擴 f片> 菱鏡片、導光板、反射層、發光二極體、基板及側 邊蔓鏡片所組成，其中菱鏡片置於發光二極體和導光板中588,470 V. invention is described in (1) a technology relevant to the invention art surface light source as a flat light source, a main (LCD) of Xi Shui, stores from, & f $ is> night crystal display CLLD) the greedy first source, According to the type, there are small fluorescent human light-emitting diodes. Among them, only the light-emitting diodes ~ Guru Axi Ama 4-digit lamp for the use of low operating voltage and the same advantages are widely used in mobile phones and pDA . 2. The prior art / system uses the light source of the light emitting diode "see the first picture", the main plate, the light guide plate, the reflective layer, the light emitting diode, and: the upper layer of the light guide plate is treated by light homogenization. ΊΓΓϋ He Ling lens produces a planar light source. However, since the light emitting diode housing is a perspective wide raw acoustic Preparation of the carrier plate not only Grade # X~ Ding angle 'enabling incident light guiding element before the contrary neither full nor no green uniformly. 3. Content of the invention. The inventor has many years of experience in the research and development of light-emitting diodes and surface light sources. Many multi-national light-emitting diodes are related to surface light sources. In addition, the surface light sources of light-emitting diodes on the pinning are missing. Further research, and mentioning = a new concept and an improved method for easily making a surface light source, which uses a side diamond to concentrate and uniformly emit light from the diode. ^ This f is an improved method of LED surface light source, which is mainly composed of expanded flakes> rhombic lens, light guide plate, reflective layer, light emitting diode, substrate and side diffuser lens. Light-emitting diodes and light guide plates
第5頁 588470 五、發明說明（2) ' ' 間，利用發光二極體產生之光，經側邊菱鏡片集中光線後 再從導光板之侧面射入，並經導光板表面之均光處理及反 射層之光反射，最後透過擴散片和菱鏡片產生平面光源。 本發明『LED面光源之改良方法』之主要目的，是提 供一種側邊菱鏡片，為表面具有複數微小透鏡之透明度極 佳材質，其與菱鏡片為同一材質，可為塑膠薄片，利用側 邊菱鏡片表面複數微小透鏡進行折射，使發光二極體產生 較廣角的光線使之更集中，提供一平行且均勻的光線至導 光板’如此結構將可增加面光源光強度和光均勻度，且提 向發光效率。 本發明之侧邊菱鏡片置於發光二極體與導光板之間使 發光二極體產生之光線，皆能射入導光板，以增加發光效 率’此設計結構可用於液晶（LCD )顯示器之背光源。 四、實施方式 本發明『LED面光源之改良方法』之結構及特點，在 經以下的說明並配合其相關的圖示如下敬請參閱： 請參考第二圖，係為本發明『LED面光源之改良方 法』’其主要係由導光板1、發光二極體2、反射層3、擴 散片4、基板7、菱鏡片5及側邊菱鏡片6所組成，其中： 導光板1，係為一可透光之材質，使光能由導光板1之 側面進入而從頂面出來並能得到均勻之面光； 發光二極體2，其係面光源之發光來源； 反射層3，係置於導光板1下方，用以將穿透導光板1Page 5 588 470 V. invention is described in (2) '' between the light emitting diode produced using the, side by a prism and then focus the light incident from the side of the light guide plate, the light guide plate and the surface of both by light processing The light from the reflective layer is reflected, and finally a plane light source is generated through the diffusion sheet and the diamond lens. The main object of the present invention is "a method of improving the surface light source LED ', the side edges to provide a diamond lens having excellent transparency as the surface material of the plurality of micro lenses, a prism with the same material, may be a plastic sheet by side The multiple micro lenses on the surface of the diamond lens are refracted, so that the light-emitting diode generates a wider-angle light and makes it more concentrated, providing a parallel and uniform light to the light guide plate. This structure can increase the light intensity and light uniformity of the surface light source, and improve To luminous efficiency. So that between the sides of a prism of the present invention is placed in a light emitting diode and the light guide plate of the light emitting diodes to produce, able incident on the light guide plate, to increase light emission efficiency 'of this design can be used to structure the liquid crystal (LCD) displays of Backlight. 4. Implementation The structure and characteristics of the "improved method of LED surface light source" of the present invention are described below with the related diagrams. Please refer to the following: Please refer to the second figure, which is the "LED surface light source of the present invention" the improved method of '' line of the main light guide plate 1, the light emitting diode 2, a reflective layer 3, a diffusion sheet 4, a substrate 7, a prism consisting of a prism 5 and the side 6, wherein: the light guide plate 1, is based A light-transmissive material that allows light energy to enter from the side of the light guide plate 1 and exit from the top surface to obtain uniform surface light; the light-emitting diode 2, which is the light source of the surface light source; the reflective layer 3, which is arranged below the light guide plate 1 to penetrate the light guide plate 1
第6頁 五、發明說明（3) 的光反射回來，· 擴散片4，#、 ’具均光作用； 用以安置各元件及 其作用為使射出的 基板7，係疊置於導光板1上 導通電路； 、〜含有電路之基座’ 菱鏡片5，# ， 光線均句和使光線為平，/於擴散片4上 側邊菱鏡片6，後炎 k 菱鏡片5不同，田、為一與菱鏡片5相同材質，其功能與 M _ 用以置於發光二極體2和導本& 1 & pq，# 善發光二極體2彦4 導先板1中間，改 行且均句的朵綠 光線使之更集中，提供一平 光均勻度；、、、、至導光板1，如此結構將可增加光強度和 將上述之構件組成L E d面光源；其特徵係以側邊菱鏡 片6置於發光二極體2和導光板丨中間，利用發光二極體2產 生之光，經側邊菱鏡片6集中光線後再從導光板丨之側面射 入’並經導光板1表面之均光處理及反射層3之光反射， 最後透過擴散片4和菱鏡片5產生平面光源。 綜上所述本發明『LED面光源之改良方法』，具有改 良與進步性，極具顯示器之背光源產業運用價值，更符合 節能、高效率之新背光源製作方法，可運用於各種背光源 需求。 第7頁 588470 圖式簡單說明 五、圖示簡單說明 圖示部分說明： 第一圖傳統方式之面光源結構圖 第二圖本發明之面光源結構圖 圖號部分說明： 1. 導光板 2. 發光二極體 3. 反射層 4. 擴散片 5. 菱鏡片 6. 側邊菱鏡片 7. 基板Page 6 V. invention is described in (3) of light reflected back, and diffusion sheet 4, #, 'with both the optical effect; and for each of elements arranged to effect the substrate 7 is emitted, the light guide plate 1 stacked system the conducting circuits;, ~ circuits comprising a base 'a prism 5, #, so that the light rays are flat and sentences, / 4 in the diffusion sheet 6 on the side of a prism, a prism different k 5 after inflammation, fields for one with a prism same material 5, which functions M _ to place the light emitting diode 2 and the guide present & 1 & pq, # good light-emitting diode 2 Yan 4 turned first plate intermediate, diverted and are The green light of the sentence makes it more concentrated and provides a flat light uniformity; ,,,,, and to the light guide plate 1, such a structure will increase the light intensity and the above components into a LE d surface light source; its feature is the side edge diamond The lens 6 is placed between the light-emitting diode 2 and the light guide plate 丨, and the light generated by the light-emitting diode 2 is used to concentrate the light through the side diamond lens 6 and then enter the light from the side of the light guide plate 丨 and pass through the surface of the light guide plate 1 The uniform light treatment and the light reflection of the reflection layer 3 are finally transmitted through the diffusion sheet 4 and the diamond lens 5 to generate a planar light source. In summary "of the surface light source LED improved method" of the present invention, having improved properties and progress, the display backlight great industrial application value, more in line with energy, a new method for manufacturing high efficiency of the backlight, the backlight can be used in a variety demand. Page 7 588470 Brief description of the drawing V. Brief description of the illustration The description of the illustration part: The first diagram of the conventional light source structure diagram The second diagram of the present invention is the structure of the surface light source diagram No. part description: 1. Light guide plate 2. 3. The light emitting diode reflecting layer 4. The diffusion sheet a prism substrate 6. 7. a prism sides