M393645 五、新型說明： 【新型所屬之技術領域】 本創作係為一種薄型背光源系統，特別的是利用第一導光 元件與第二導光元件，改變發光單元所發出之光源的光路徑， 用以做為一薄型的直下式背光源。 【先前技術】 習之技術中’可參考第1圖，係為美國公告第7322721號專 利’此為一邊射型的發光元件透鏡裝置1〇，其藉由介面的折射和 ^反射效果，將LED晶片31的光線朝向水平方向出射，用以大 I減少LED晶片31上方的光線出射，並透過LED晶片上方 的透鏡和反射面53、59，可成功地將旁邊射出和水平夾_1〇。 :的光線大量的提高，幻^方的反射面可將LED正上方的反 箱，使碰箱的光分佈減少了大量的亮點，最後達成整體 ίΪίίί佈箱ί而，該技術仍無法將其薄型化等的缺失，故仍 新的結構’使得除了具有均句光射出外，亦可達 【新型内容】 性光源的射出 光元件，再利用i二，並且引導至第二導 蚣止搞从以.，.導先兀件，形成另一光路徑，達成具有均質 3 的排於係提供一種薄型背光源系統，其利用特殊 高效率的直下式背絲源直式或者蜂巢式制方式等，用以形成 發光^元實供—薄型背光源系統，包含光擴散單元、 第一導光 、= 件與第二導光元件。發光單元係產生光源。 件接收光源’用以形成第-路徑光源。第二導光元 此第' m路從光源’肋形成複數第二路徑光源。其中，該 ^ ，散單元，使得在薄型背光源 元件，且每 組成’例如:四角形、六角形、圓形等：卜 第^光元件亦可獨立或組合成為一個均勻發夫 一第一導光元件亦可相互排顺合成_於各種形狀的排列。 另—實施例中’每—第—導光耕係為長條狀的，，盆 可，光單元的光線經過第一導光元件後，光線再打^ j 到均勻的薄型背光源 於再一實施例中，係提供一薄型背光源系統，其包 ^發光單元、反射元件、第-導光^件與第二導光g擴^ 單兀係產生光源。反射元件係用以反射光源至第一導光 了導光元件係接收反射光源，用以形成第一路徑光源。遙 兀件係接收第一路徑光源，用以形成複數第二路徑光源。I 該些第二路徑光源經由光擴散單元，使得在薄型背光源丄 側，發出均勻的光源。 、尔研 侧的第—導光猶和第二導光元件3 配合以下之較佳實施例之敘述與圖式說明，本創作 實施例、特徵、及優點將更為清楚。 的 M393645 【實施方式】 本創作係揭露一種薄型背光源系統，係利用第一導光元件與 第二導光元件，用以改變發光單元所發出之光源的光路徑，以形 成直下式背光源。為了使本創作之敘述更加詳盡與完備，可參照 下列描述並配合第二圖至第十二圖之圖式。 參考第二圖，係根據本創作於實施例之薄型背光源系統示意 圖。於本實施例中’薄型背光源系統50係包含發光單元12、反射 - 元件14、第一導光元件16、第二導光元件18與光擴散單元2〇。 發光單元12係用以產生光源LS ’例如發光單元12可為邊側 φ (Slde-emitting)型發光二極體或朗伯(Lambertian)型發光二極體。其 中，邊側型發光二極體係從發光二極體磊晶之側邊發出光源，而 朗伯型發光'一極體係從發光一極體蟲晶之垂直面發出光源。反射 元件14用以反射發光單元12所產生之光源LS之光路徑。第一導 光元件丨6係直接接收光源LS或者透過反射元件14所反射之光源 - LS，用以形成第一路徑光源fpl，例如第一導光元件16係為具有 . 楔型結構之柱狀稜鏡或梯形柱狀稜鏡之光學元件。第二導光元件 18係接收第一路徑光源fpl，用以形成複數第二路徑光源spL。 其中，第二導光元件18係以非平面式排列，用以進行多重反射與 鲁 再次反射。再者，該些第二路徑光源SPL再透過光擴散單元2〇， 於薄型光源系統10之一側，發出均勻的面光源SLS。此外，上述 發光單元12、反射元件η、第一導光元件16與第二導光元件18 等係可設置於殼體22中。 值得注意的是’第-導光元件16之楔型結構可有 LS引導至第二導光元件18 H第三_為統LS = ^ 導光源16所進行改變光路徑的示意圖。 參考第四圖」係根據本創作於實施例之薄型背光源系統示意 圖。於本實施例中，薄型背光源系統3〇係包含殼體幻、發光單元 5 M393645 1 · 34二第一導光元件36與第二導光元件38。發光單元34、第一導 ，元件36與第二導光元件38係設置於殼體32之上。其中，發光 單元34所產生之光源，係可透過第一導光元件％改變其光路和， 第二導光元件38，再由第二導光元件有效的反射和混光二， 使得光線均勻地朝同一面射出。值得注意的是，此種排列亦 為直線式排列方式。 -_立參考第五圖，係根據本創作於實施例之薄型背光源單元系統 =意圖。於本實施例中，係以單一第一導光元件36為例進行說明·， 修·私，狀可皆由一楔型結構之柱狀稜鏡或梯形柱狀稜鏡之光學元件 所、、且成。其中，該些形狀可使得光源經過第一導光元件後， 或折射至第二導光元件’第二導光猶由不同複數個函i 曲面所組合而成，且光源可藉此達到控制出光範圍、角度和混光 t，、九、十、十-、十二圖，係根據本創作於實 ^ 溥生者光源系統示意圖。於本實施例中，薄型背光源系紡 7包，_ 42、第-導統件44與第二 二早兀所產生之光源係可透過第一導光元件44的反射或者折 改變其光源的光祕徑，使得光源可以反射或者折射至 相鄰的第二導統件46中，且再透過第二導光元件46， °其中’第—導光元件44係可以—蜂巢式方 it ίϊί單元42。較佳地，蜂巢式方式係為六邊形排 丨j祝所而之月光源的尺寸，進行組合設置。 圖。中係作之薄型背光源系統示意 跬於二·先兀件為圓形對稱的楔型結構之柱狀 m締為四邊形的= 6 參考第八圖’係根據本創作於實施例之薄型背光源系統示意 圖。於本實施例中，第一導光元件為四邊形對稱的楔型結構之二 狀稜鏡或梯形枉狀稜鏡之光學元件，而第二導光元件為四邊形的 反射平面組合。較佳地，第一導光元件的四邊型邊線和第二導光 元件四邊型的邊線相夾以中心為旋轉轴旋轉45。。 參考第九圖，係根據本創作於實施例之薄型背光源系統示音 圖。於本實施例中，第一導光元件係為圓形對稱的楔型結構 狀棱鏡或梯形柱狀稜鏡之光學元件，而第二導光元件為六邊形 稱的反射平面組合。 參考第十圖，係根據本創作於實施例之薄型背光源系統示意 圖。於本實施例中，第一導光元件係為六邊形對稱的楔^結^ 柱狀棱鏡或梯形柱狀稜鏡之光學元件，而第二導光元件為^ 對稱的反射平面組合。較佳地，第一導光元件的六邊型邊線和^ 二導光元件六邊型的邊線相夾以中心為旋轉軸旋轉3〇。。 參考第十一圖，係根據本創作於實施例之薄型背光源系 意圖。於本實施例中，第一導光元件係為圓形對稱的楔型^構= 柱狀稜鏡或梯形柱狀稜鏡之光學元件，而第二導光元件為 稱的反射平面以六角形外邊排列組合。M393645 V. New description: [New technical field] This is a thin backlight system, in particular, the first light guiding element and the second light guiding element are used to change the light path of the light source emitted by the light emitting unit. Used as a thin direct-type backlight. [Prior Art] In the technique of the prior art, reference may be made to Fig. 1, which is a U.S. Patent No. 7,321,721, which is a one-side type of light-emitting element lens device, which uses LEDs for refraction and reflection effects of the interface. The light of the wafer 31 is emitted in a horizontal direction to reduce the light emission from above the LED chip 31, and through the lens and the reflecting surfaces 53, 59 above the LED wafer, the side emission and the horizontal clamping can be successfully performed. : The light is greatly improved. The reflective surface of the magic square can reduce the light distribution of the LED directly above the LED, and finally reduce the light distribution of the touch box. Finally, the overall ίΪίίί 箱, the technology still cannot be thin. The lack of chemistry, etc., is still a new structure'. In addition to having a uniform light emission, it can also reach the [new content] light source of the light source, and then use i, and guide to the second guide. Leading the first member to form another light path to achieve a homogeneous 3 line system to provide a thin backlight system, which utilizes a special high efficiency direct type back wire source direct or honeycomb type, etc. To form a light-emitting element-thin backlight system, comprising a light diffusing unit, a first light guiding unit, a second light guiding element and a second light guiding element. The light emitting unit generates a light source. The receiving light source 'is used to form a first path light source. Second light guide element This 'm path' forms a plurality of second path light sources from the light source' rib. Wherein, the ^, the diffusing unit is such that in the thin backlight element, and each composition 'eg, a quadrangle, a hexagon, a circle, etc.: the optical element can also be independently or combined to form a uniform light-first light guide The components can also be aligned with one another in various shapes. In another embodiment, the 'every-first-light-guided ploughing system is strip-shaped, and the basin can be used. After the light of the light unit passes through the first light guiding element, the light is further hit to a uniform thin backlight. In an embodiment, a thin backlight system is provided, which comprises a light emitting unit, a reflective element, a first light guide and a second light guide. The reflective element is configured to reflect the light source to the first light guide. The light guide element receives the reflective light source for forming the first path light source. The remote component receives the first path light source for forming a plurality of second path light sources. I The second path light sources are passed through the light diffusing unit such that a uniform light source is emitted on the side of the thin backlight. The present embodiment, features, and advantages will be more apparent from the description of the preferred embodiment of the present invention and the description of the preferred embodiments of the present invention. M393645 [Embodiment] The present invention discloses a thin backlight system that utilizes a first light guiding element and a second light guiding element to change the light path of the light source emitted by the light emitting unit to form a direct type backlight. In order to make the narrative of this creation more detailed and complete, refer to the following description and cooperate with the drawings of the second to twelfth figures. Referring to the second drawing, there is shown a schematic diagram of a thin backlight system according to the present embodiment. In the present embodiment, the thin backlight system 50 includes a light emitting unit 12, a reflective element 14, a first light guiding element 16, a second light guiding element 18, and a light diffusing unit 2A. The light emitting unit 12 is for generating a light source LS'. For example, the light emitting unit 12 may be a side φ (Slde-emitting) type light emitting diode or a Lambertian type light emitting diode. Among them, the side-type light-emitting diode system emits a light source from the side of the light-emitting diode epitaxy, and the Lambertian-type light-emitting one-pole system emits a light source from the vertical plane of the light-emitting polar body. The reflective element 14 is for reflecting the light path of the light source LS generated by the light emitting unit 12. The first light guiding element 丨6 directly receives the light source LS or the light source LS reflected by the reflective element 14 to form the first path light source fpl. For example, the first light guiding element 16 has a column shape with a wedge structure. Optical element of 稜鏡 or trapezoidal columnar 稜鏡. The second light guiding element 18 receives the first path light source fpl for forming a plurality of second path light sources spL. The second light guiding elements 18 are arranged in a non-planar manner for performing multiple reflections and re-reflecting. Furthermore, the second path light sources SPL are further transmitted through the light diffusing unit 2, and one side of the thin light source system 10 emits a uniform surface light source SLS. Further, the above-described light emitting unit 12, reflective element η, first light guiding element 16, and second light guiding element 18 may be disposed in the casing 22. It should be noted that the wedge-shaped structure of the first light guiding element 16 may have a LS leading to the second light guiding element 18 H. The third embodiment is a schematic diagram of the light path changed by the light source 16. Reference is made to the fourth figure, which is a schematic view of a thin backlight system according to the present embodiment. In the present embodiment, the thin backlight system 3 includes a housing phantom, a light-emitting unit 5 M393645 1 · 34 two first light guiding elements 36 and a second light guiding element 38. The light emitting unit 34, the first conductive member 36, and the second light guiding member 38 are disposed on the housing 32. The light source generated by the light-emitting unit 34 can change its optical path and the second light-guiding element 38 through the first light-guiding element, and then effectively reflect and mix the light by the second light-guiding element, so that the light is evenly directed toward Shoot on the same side. It is worth noting that this arrangement is also linear. -_ Reference to the fifth figure, which is a thin backlight unit system according to the present invention. In the present embodiment, the single first light guiding element 36 is taken as an example. The repairing and private parts are all made of a wedge-shaped structure or a trapezoidal cylindrical optical element. And become. Wherein, the shapes may be such that after the light source passes through the first light guiding element, or is refracted to the second light guiding element, the second light guiding is combined by a plurality of different shapes, and the light source can thereby control the light output. The range, angle and mixed light t, nine, ten, ten-, and twelve-picture are based on the schematic diagram of the light source system of the present. In the present embodiment, the thin backlight is spun 7 packs, and the light source generated by the _42, the first guide member 44 and the second second strand can be changed by the reflection or folding of the first light guiding member 44 to change the light source thereof. The optical path is such that the light source can be reflected or refracted into the adjacent second guiding member 46, and then transmitted through the second light guiding member 46, wherein the 'first light guiding member 44 can be - the honeycomb type unit 42. Preferably, the honeycomb mode is a hexagonal arrangement, and the size of the moon light source is arranged in combination. Figure. The thin backlight system of the middle system is shown in Fig. 2. The first element is a circularly symmetrical wedge-shaped structure. The columnar shape m is quadrilateral = 6 refers to the eighth figure'. The thin backlight according to the embodiment is created. System schematic. In this embodiment, the first light guiding element is a quadrilateral symmetrical wedge-shaped structure or a trapezoidal 稜鏡-shaped optical element, and the second light guiding element is a quadrilateral reflecting plane combination. Preferably, the quadrilateral edge of the first light guiding element and the edge of the quadrilateral of the second light guiding element are sandwiched by the center of the rotation axis 45. . Referring to the ninth drawing, there is shown a sound diagram of a thin backlight system according to the present embodiment. In this embodiment, the first light guiding element is a circularly symmetric wedge-shaped structural prism or a trapezoidal cylindrical optical element, and the second light guiding element is a hexagonal reflecting plane combination. Referring to the tenth drawing, there is shown a schematic diagram of a thin backlight system according to the present embodiment. In this embodiment, the first light guiding element is a hexagonal symmetric wedge element or a trapezoidal columnar optical element, and the second light guiding element is a symmetric reflecting plane combination. Preferably, the hexagonal edge of the first light guiding element and the hexagonal edge of the two light guiding elements are sandwiched by a rotation of the center by 3 turns. . Referring to Fig. 11, a thin backlight according to the present embodiment is intended. In this embodiment, the first light guiding element is a circularly symmetric wedge type structure = a columnar crucible or a trapezoidal columnar crucible optical element, and the second light guiding element is a reflection plane called a hexagon The outer arrangement is combined.
棵型結構之 而第二導光元件為圓形對 參考第十二圖， 意圖。於本實施例中 柱狀棱鏡或梯形柱狀稜鏡之光學元件， 稱的反射平面以六角形外邊排列組合。 M393645 之等效改變或修飾，均應包含在下述之申請專利範圍内。 【圖式簡單說明】 第一圖係本創作習之技術的透鏡示意圖； 第二圖係為實施例中光線透過第一導光元件和第二導光元件 所進行改變光路徑的示意圖； 第二圖係為光線經過楔型結構之柱狀稜鏡或梯形柱狀稜鏡之 光學元件光路示意圖； 第四圖係根據本創作於實施例之以多光源直式排列方式之薄 型背光源系統俯視示意圖； 第五圖係根據本創作於實施例之以多光源直式排列方式之薄 型背光源系統側視示意圖； 第六圖係為光線經過楔型結構之柱狀稜鏡或梯形柱狀稜鏡之 光學元件單一單元範例示意圖； 第七圖係為圓形第一導光元件和四邊形第二導光元件組合系 統示意圖； 第八圖係為四邊形第一導光元件和四邊形第二導光元件組合 系統示意圖； 第九圖係為六邊形第一導光元件和圓形第二導光元件組合系 統示意圖； 第十圖係為六邊形第一導光元件和六邊形第二導光元件組合 系統示意圖； 第十一圖係為圓形第一導光元件和圓形第二導光元件組合系 8 M393645 統示意圖；以及 第十二圖係為六邊形第一導光元件和圓形第二導光元件組合 糸統不意圖。 【主要元件符號說明】 A 光線角度 B C 10 31 53、59 50、30、40 22、32 12、34、44、54、63、73、83、93 光線角度 旋轉轴 透鏡裝置 LED晶片 反射層 薄型背光源系統 殼體 發光單元 14 16、36、42、52、62、72、82、92 18、38、46、51、61、7卜 8卜 91 20 反射元件 第一導光元件 第二導光元件 光擴散單元 LS FPL 光源 第一路徑光源 SPL SLS 第二路徑光源 面光源 9The second type of light guiding element is a circular pair. Referring to the twelfth figure, the intention is. In the present embodiment, the optical elements of the columnar prism or the trapezoidal columnar crucible, the reflection planes are arranged in a hexagonal outer arrangement. Equivalent changes or modifications of M393645 are intended to be included in the scope of the claims below. BRIEF DESCRIPTION OF THE DRAWINGS The first figure is a schematic diagram of a lens of the technique of the present invention; the second figure is a schematic diagram of changing the light path by the light passing through the first light guiding element and the second light guiding element in the embodiment; The figure is a schematic diagram of the optical path of the optical element passing through the columnar crucible or the trapezoidal columnar crucible of the wedge structure; the fourth diagram is a top view of the thin backlight system according to the embodiment of the present invention. The fifth figure is a side view of a thin backlight system in a multi-source straight arrangement according to the present embodiment; the sixth figure is a columnar or trapezoidal column of light passing through a wedge structure. A schematic diagram of a single unit of an optical component; a seventh diagram is a schematic diagram of a combined system of a circular first light guiding element and a quadrilateral second light guiding element; the eighth figure is a quadrilateral first light guiding element and a quadrilateral second light guiding element combination system The ninth diagram is a schematic diagram of a hexagonal first light guiding element and a circular second light guiding element combination system; the tenth figure is a hexagonal first light guiding element and six A schematic diagram of a second light guiding element combination system; the eleventh figure is a schematic diagram of a circular first light guiding element and a circular second light guiding element combination system 8 M393645; and the twelfth figure is a hexagon first The combination of the light guiding element and the circular second light guiding element is not intended. [Main component symbol description] A ray angle BC 10 31 53, 59 50, 30, 40 22, 32 12, 34, 44, 54, 63, 73, 83, 93 ray angle rotation axis lens device LED wafer reflective layer thin backlight Source system housing lighting unit 14 16 , 36 , 42 , 52 , 62 , 72 , 82 , 92 18 , 38 , 46 , 51 , 61 , 7 8 8 9 9 reflective element first light guiding element second light guiding element Light diffusing unit LS FPL light source first path light source SPL SLS second path light source surface light source 9