200848868 九、發明說明： .【發明所屬之技術領域】 / 本發明涉及一種背光模組及其光學板，尤其涉及一種用 - 於液晶顯示之背光模組及其光學板。 【先前技術】 由於液晶顯示器面板之液晶本身不具發光特性，因而為 達到顯示效果需給液晶顯示器面板提供一面光源裝置，如背 光模組。背光模組之作用係向液晶顯示器面板供應亮度充分 且分佈均勻之面光源。 請參見圖1，所示為一種習知之背光模組100，其包括 框架101、反射板102、擴散板103、稜鏡片104及至少一發 光二極體105。框架101包括一底板1011及複數從該底板 1011邊緣向其同一侧垂直延伸之侧壁1013。底板1011與複 數側壁1013共同形成一腔體1015。發光二極體105包括出 光部1051與基部1053，基部1053與電路板（未標示）相連並 固定於底板1011。擴散板103與稜鏡片104依次設置於複數 側壁1013頂部。反射板102為一小框體結構，其可配置於 框架101内部。反射板102之底部開設有與發光二極體105 相對應之通孔（圖未標），發光二極體105之出光部1051穿 過相應通孔。發光二極體105之基部1053頂持該反射板102。 工作時，發光二極體105產生之光線被反射板102反射 進入擴散板103，在擴散板103中被均勻擴散後光線繼續進 入棱鏡片104，在稜鏡片104之作用下，出射光線發生一定 程度之聚集，使得背光模組在特定視角範圍内之亮度提高。 6 200848868 然，由於發光二極體105為點光源，其到達擴散板ι〇3 上各處之距離大小不相等，位於發光二極體1〇5正上方之擴 散板103單位區域所接受光較多’位於發光極f 1〇5四周之 擴散板103單位區域所接受光較少，因此易在發光二極體 105正上方之區域形成亮區，而在其上方之四周區域形成暗 區，影響背光模、组100之出光均勻性。為此，通常需在發光 一極體105之上方設置反射片1〇6，以控制發光二極體⑽ ,上方之出光量。發光二極體1〇5與反射片1〇6之搭配設 计，可一定程度上減弱發光二極體1〇5正上方之亮區，惟， 月光模組100仍存在出光不均之缺點。 【發明内容】 光均勻之背光模組及 鑒於上述狀況，有必要提供一種出 其光學板。 -種光學板’其包括至少—光學板單元，該光學板單元 包括第-表面及與該第一表面相對之第二表面，該第一表面 形成有複數封閉式V型凸起；該第二表面形成複數長條狀v 型凸起，且該第一表面和第二表面中至少一表面上開設有至 少一光源容納部。 一種为光杈組，其包括框架、擴散板、至少一側光式點 光源及光子板，雜架包括底板及複數從該底板邊緣延伸之 相互連接之側壁，該複數側壁與該底板形成—腔體；至少一 具有出光部m職定於該底板；該擴散板封蓋該腔體. 該光學板設置於該腔體内，該光學板包括至少—光學 元，該光學板單元包括第一表面及與該第一表面相對之第二 7 200848868 .:::::=:=:式v❹起:該第二表面 / -表面上開設有至少一光源容㈣.：：：第二表面令至少 設置於該光源容納部内。 ，。^·έ光源之出光部相應 上述背光模組之光學板 與第一表面上之複數封閉式早^括光源容納部 數長條狀ν型凸起，點光源 以及第一表面上之複 點光源發出之光線通過光源容部容納在光源容納部’從 板内部。由於封閉式ν型凸起罝有辯m壁直接進入光學 先子板内傳輸至封閉式V型凸起時，部分原來在 上述光學板之背光模組内全 1刀原來在未故置 型凸叔卞# 4 έ t傳播之光線可被封閉式ν m 周即後朝向擴散板方向射 線。進一步地，由於光學板之第二加出射光 起，部分原來在未設有長停狀 二°又有長仏狀¥型凸 括, 狀V型凸起之光學板内全及鉍德 下之被其調節後從第二表面出射，在框架之辅助作用 式點光源，於光學板之作用下'==^採_ 此採用該光學板之背光模 ^ 光源，因 採二 = 需考慮點光源至擴散板之距離，故 2用该先學板之背光模組具有厚度小之優點。 【實施方式】 :面將結合附圖及實施例對本發明之背光模組及 予板作進一步之詳細說明。 、先 200848868 請參見圖2，所示為本發明較佳實施例一之背光模組 200,其包括一框架21、一反射板22、一擴散板23吴f 側光式點光源25及一光學板20。框架21包括一長方步 底板211及從底板211邊緣向其同一側垂直延伸並^互^ 接之四側壁213。該四侧壁213與底板211共同形成一 體217。擴散板23疊放於複數侧壁213之頂部，用於 蓋腔體217。腔體217用於收容點光源25、反射 2及 光學板20等元件。從點光源2〇5發出之光線於腔體 内充分混合後可經過擴散板23出射。 f 請同時參見圖3至圖5，光學板2〇為矩形透明板， 包括一出光面202、一與該出光面2〇2相 203。底面203中央開設有光源容納部2〇4。本實施中， 該光源容納部綱為從底面2G3貫穿至出光面2Q2: t面202形成有複數以光源容納·204為中心之 封閉式V型凸起205，且其相岸 τ 之 形成複數長條狀V型凸起206邊相互千仃。底面203 本實施例中，該封閉狀V型凸起2〇5為 包括沿X軸方向或沿γ軸 /狀〜 長條狀V型凸邊。兮二 '向延伸形成之相互連接之四 t S in , 封閉式V型凸起2〇5二相對側面$ 夾角Θ1較佳取值範圍為6〇至 卞幻面之 ί々Ϊ::?應之凸邊間距優選為。·。2 5毫ΐ:ί: 於矩形環狀，也;為v :凸j形狀並不限 挪所包^?使該先源谷納部遍被該封閉式V型凸起 長條狀V型凸起206沿 狀V型凸起206緊资連接方向延伸，且相鄰長條 ”連接。母個長條狀V型凸起206之 9 200848868 頂角Θ2之較佳取值範圍為6〇至i2〇度。相200848868 Nine, invention description: [Technical field of the invention] / The present invention relates to a backlight module and an optical plate thereof, and more particularly to a backlight module using the liquid crystal display and an optical plate thereof. [Prior Art] Since the liquid crystal of the liquid crystal display panel itself does not have a light-emitting property, it is necessary to provide a light source device such as a backlight module to the liquid crystal display panel in order to achieve the display effect. The function of the backlight module is to supply a surface light source with sufficient brightness and uniform distribution to the liquid crystal display panel. Referring to FIG. 1, a conventional backlight module 100 includes a frame 101, a reflector 102, a diffusion plate 103, a cymbal 104, and at least one light-emitting diode 105. The frame 101 includes a bottom plate 1011 and a plurality of side walls 1013 extending perpendicularly from the edge of the bottom plate 1011 toward the same side thereof. The bottom plate 1011 and the plurality of side walls 1013 together form a cavity 1015. The light-emitting diode 105 includes a light-emitting portion 1051 and a base portion 1053, and the base portion 1053 is connected to a circuit board (not shown) and fixed to the bottom plate 1011. The diffusion plate 103 and the cymbal 104 are sequentially disposed on top of the plurality of side walls 1013. The reflecting plate 102 is a small frame structure which can be disposed inside the frame 101. A through hole (not shown) corresponding to the light emitting diode 105 is formed at the bottom of the reflecting plate 102, and the light exiting portion 1051 of the light emitting diode 105 passes through the corresponding through hole. The base 1053 of the LED 105 holds the reflector 102. During operation, the light generated by the LEDs 105 is reflected by the reflector 102 into the diffuser 103. After being uniformly diffused in the diffuser 103, the light continues to enter the prism sheet 104. Under the action of the fins 104, the emitted light is somewhat affected. The aggregation causes the brightness of the backlight module to be increased within a specific viewing angle range. 6 200848868 However, since the light-emitting diode 105 is a point light source, the distances reaching the diffusion plate ι 3 are not equal, and the light received in the unit area of the diffusion plate 103 directly above the light-emitting diode 1〇5 is relatively light. The unit area of the diffuser plate 103 which is located at the periphery of the light-emitting pole f 1〇5 receives less light, so that a bright region is easily formed in a region directly above the light-emitting diode 105, and a dark region is formed in a peripheral region above it, affecting Light-emitting uniformity of the backlight module and the group 100. For this reason, it is usually necessary to provide a reflection sheet 1〇6 above the light-emitting body 105 to control the amount of light emitted from the light-emitting diode (10). The design of the light-emitting diode 1〇5 and the reflection sheet 1〇6 can weaken the bright area directly above the light-emitting diode 1〇5 to some extent, but the moonlight module 100 still has the disadvantage of uneven light emission. SUMMARY OF THE INVENTION A light-even backlight module and in view of the above circumstances, it is necessary to provide an optical plate. - an optical plate comprising: at least - an optical plate unit comprising a first surface and a second surface opposite the first surface, the first surface being formed with a plurality of closed V-shaped projections; the second The surface is formed with a plurality of elongated v-shaped protrusions, and at least one of the first surface and the second surface is provided with at least one light source receiving portion. An optical stack includes a frame, a diffuser, at least one optical point source, and a photonic plate. The miscellaneous frame includes a bottom plate and a plurality of interconnecting sidewalls extending from an edge of the bottom plate, the plurality of sidewalls forming a cavity with the bottom plate At least one having a light exiting portion m is disposed on the bottom plate; the diffuser plate covers the cavity. The optical plate is disposed in the cavity, the optical plate includes at least an optical element, and the optical plate unit includes a first surface And a second 7 200848868 .::::=:=: v-shaped from the first surface: the second surface / - surface is provided with at least one light source (four).::: the second surface is at least It is disposed in the light source housing. ,. The light-emitting portion of the illuminating light source corresponds to the optical plate of the backlight module and the plurality of closed type on the first surface, and the plurality of ν-shaped protrusions, the point light source and the complex point light source on the first surface The emitted light is received in the light source receiving portion 'from the inside of the panel through the light source receiving portion. Since the closed type ν-shaped bulge 罝 辩 m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m卞# 4 έ t The transmitted light can be rayd in the direction of the diffusion plate after a period of ν m. Further, due to the second addition and exit of the optical plate, part of the optical plate which is not provided with a long stop shape and a long shape, and a V-shaped protrusion is all under the After being adjusted by it, it is emitted from the second surface, and the auxiliary point light source in the frame is under the action of the optical plate. The backlight of the optical plate is used, and the point source is considered. The distance to the diffusion plate, so the backlight module with the first learning board has the advantage of small thickness. [Embodiment] The backlight module and the board of the present invention will be further described in detail with reference to the accompanying drawings and embodiments. Referring to FIG. 2, a backlight module 200 according to a preferred embodiment of the present invention includes a frame 21, a reflecting plate 22, a diffusing plate 23, an optical side point light source 25, and an optical device. Board 20. The frame 21 includes a rectangular step bottom plate 211 and four side walls 213 extending perpendicularly from the edge of the bottom plate 211 toward the same side thereof. The four side walls 213 and the bottom plate 211 together form a body 217. A diffuser plate 23 is stacked on top of the plurality of side walls 213 for the cover cavity 217. The cavity 217 is for accommodating components such as the point light source 25, the reflection 2, and the optical plate 20. The light emitted from the point light source 2〇5 is sufficiently mixed in the cavity to be emitted through the diffusion plate 23. f Please also refer to FIG. 3 to FIG. 5, the optical plate 2 is a rectangular transparent plate, and includes a light-emitting surface 202 and a light-emitting surface 203. A light source housing portion 2〇4 is opened in the center of the bottom surface 203. In this embodiment, the light source accommodating portion is formed from the bottom surface 2G3 to the light exit surface 2Q2: The t surface 202 is formed with a plurality of closed V-shaped protrusions 205 centered on the light source accommodating unit 204, and the phase τ is formed plural. The strip-shaped V-shaped projections 206 are mutually symmetrical. Bottom surface 203 In the present embodiment, the closed V-shaped projection 2〇5 includes a V-shaped flange along the X-axis direction or along the γ-axis/shape to the elongated shape.兮二' to the extension of the formed four t S in , the closed V-shaped protrusion 2 〇 5 two opposite sides of the angle Θ 1 preferably ranges from 6 〇 to 卞 之 之 : : : ? The flange pitch is preferably. ·. 2 5 mΐ: ί: in a rectangular ring shape, also; v: convex j shape is not limited to the package ^? so that the first source glutinous portion is covered by the closed V-shaped convex strip-shaped V-shaped convex The 206-shaped V-shaped protrusions 206 extend in the direction of the tight connection, and the adjacent strips are connected. The parent-shaped strip-shaped V-shaped protrusions 206 9 200848868 The top angle Θ 2 preferably ranges from 6〇 to i2 Temperature
型凸起鹰之間距也優選為0.025毫米至2毫米二木狀V 並包：ΐ:: L2 ’側先Π式」點光源2 5優選為發光二極體， 了匕括基4 253，一固定於基部253上 與-設置於出光部251頂端之反射片255二^:251 二(未f r連接於底板211。光學板設置i 217内，其出光面202面向擴散板23。點光源^ 出光部25i容納於光學板2〇之光源容納部2〇4内、= 板22開没一對應于點光源乃 射 板設置在光學板20底面203之:該反射 部251穿過該反射板22上之通孔。 ’、之出光 點光源25從出光部251發出之光線 二之内側壁直接進入光學板2〇内部。通過改匕= 傳^ Hi ^ HI夹角θ 1 ’可使光線在光學板2 0内 專輸至封閉式V型凸起2〇5日夺，部分原 與 板20之背光模組内全反射傳播之 二= 起施調節後沿特定之方向折射出射，例= = = 散板23方向之正面方向出射：：而增 力=出射之光線’避免在相鄰之點光源Μ之間之上方 產生暗區，提高背光模組2〇〇之出光均勻性。進一牛 ΐίίΓ反20之底面設置有長條狀V型凸起21部分 ^來在未設有長條狀V型凸起2〇6之光學板 傳播之光線可被其調節後從底面2〇3出射 射 此部分光線多次折射後朝向擴散板=出 射。故月光杈組200之光學利用率也將步 :由於採用側光式點光源25，點光源25 =射$ ίί Ϊ ,ίί二内向四周傳播，點光源25被轉變成面 "、化樣〜占光源25出射至擴散板23之光線不會因為點 200848868 光源25至擴散板23之距離過小而無法較好分散開來。故， 點光源25正上方之區域將避免因點光源乃至擴散板23之 距離過小而出現亮點，因此無需考慮點光源25 之距離，從而，減小背光模組2⑻之厚度。 、 可以理，：為使得該背光模組200在特定之視角範 圍内具有較高之亮度，在擴散板23之上方還可設置一稜 J片;為使光束於腔體内均勻混光和提高光線利用 ^ 3反射板22可進—步包括複數反射側壁。另外The distance between the raised eagle eagles is also preferably 0.025 mm to 2 mm. The two-wood V-package includes: ΐ:: L2 'side Π-type" point light source 2 5 is preferably a light-emitting diode, and the base 4 253, a The light-receiving surface 202 is fixed to the base plate 253 and the reflection sheet 255 disposed on the top end of the light-emitting portion 251 is not connected to the bottom plate 211. The light-emitting surface 202 faces the diffusion plate 23. The light source is emitted. The portion 25i is received in the light source accommodating portion 2〇4 of the optical plate 2, and the plate 22 is opened corresponding to the point source. The plate is disposed on the bottom surface 203 of the optical plate 20: the reflecting portion 251 passes through the reflecting plate 22 The through hole. The light-emitting point source 25 emits light from the light-emitting portion 251, and the inner side wall directly enters the inside of the optical plate 2. The light can be placed on the optical plate by changing the angle 传 1 ^ ^ ^ ^ HI angle θ 1 ' In the case of 20, the special V-shaped protrusion is 2〇5, and the total reflection propagation in the backlight module of the original and the board 20 is refracted in a specific direction after adjustment. Example = = = Exit in the direction of the front of the plate 23:: and the force of the force = the light that exits 'avoiding a dark area above the adjacent point source Μ , to improve the uniformity of the light output of the backlight module 2. In the bottom of the bottom surface of the 205, a long V-shaped protrusion 21 is provided to the optical plate which is not provided with the long V-shaped protrusion 2〇6. The transmitted light can be adjusted and then emitted from the bottom surface 2〇3. This part of the light is refracted multiple times and then directed toward the diffuser plate. Therefore, the optical utilization of the moonlight group 200 will also be as follows: due to the use of the edge-light point source 25, Point light source 25 = shot $ ίί Ϊ , ίί two inwardly propagating, point light source 25 is converted into a face ", sample ~ light that occupies light source 25 to diffuser 23 is not due to point 200848868 light source 25 to diffuser 23 The distance is too small to be well dispersed. Therefore, the area directly above the point source 25 will avoid bright spots due to the distance between the point source and the diffuser 23 being too small, so that the distance of the point source 25 need not be considered, thereby reducing the backlight mode. The thickness of the group 2 (8) can be reasoned: in order to make the backlight module 200 have a high brightness in a specific viewing angle range, a prismatic J piece can be disposed above the diffusion plate 23; Uniform mixing and improved light utilization ^ 3 The reflector 22 can further include a plurality of reflective sidewalls.
是：本實施例中，言史置於底面203之長條狀V 自十Ϊ t延伸方向也可與光學板20側邊形成-個銳 Ιίΐ:: /本實施例中之反射片255並非點光源以 出射^光式點光源25可採用其他減少從其頂部 出射先束之汉计，如於其頂部塗覆反射層等。 為例之反射板22可省略，尤其當框架2! 為问i射材枓衣成或於底板211塗覆高反射塗層時。 明麥見圖 0，所示為i # g日^ 3〇〇 30 不同在於光學板3〇之m之f女學板2〇相似’其 ^ ^ ^ π 出先面302形成有複數以光源容納 。”04為中心之圓形封閉式V型凸起3〇5。 請參見圖7，所示氧士 α 切。該光學板40與較佳、、^月較佳實施例四之光學板 不同在於光學板40之光源之光學板2〇相似，其 學板40内部凹陷之盲孔^； ^404為從底面403向光 搭配-未設反射元^學板40之背光模組可 可分開設置於盲孔之頂部式”，、占光源’或者該反射元件 請參見圖8，所示袁士 5〇。該光學板50與較佳佳貫施例五之光學板 不同在於光學板50之相二之光學板2〇相似，其 相4兩封閉式V型凸起緊密連接， 11 200848868 且該封閉式V型凸起505之頂角以爲如知 凸起505形成之底部夾角均被圓 2兩封閉式V型 和R2。該R1和R2之圓角取值範圍優m成圓角R1 或等於U毫米。被圓角化之圍匕J切0且小於 射光束之出射角度之變化趨於緩可使出 背光模組之出光均勾性提高。可H先學板50之 之V型凸起之頂角以及相鄰V型凸 發明光學板 可以有圓角化之設計。綜上所 夹角也 進行上述圓角化設計：封閉4 V型下:處或多處 …凸起形成之底部夹角、頂：鄰兩 及相=V型凸起形成之底部夹角。 凸起之頂角’以 請茶見圖9，所示為本發明較佳者 板60。該組合光學板6〇包括四光學^單四^組合光學 早兀62與較佳實施例一之光學 =62。光學板 四光學板單元62可相互緊穷排列 二有相同之結構。 ::r。當然，組合光學二 於四:夫=背光模組所需之亮度= 數!不限 明苓見圖10，所示為本發明較佳者 千板70。該組合式包括四光 &五之組合光 :”排成一列，且各個光學板單：72之;:？學板單 ，’即該組合光學板70係通過一透c缝隙連 用该種組合光學板7G，可相應提高背=而成。使 可以理解··上述本發明光學、、、，之、、且衣效率。 形或圓形。光學板單元ί之狀可為多邊 :為緊密連接或相互間隔，其中，緊密相=排布方式 :V型凸起結構相對 ▲ 硬數封閉 中至較小之角度範圍内出射。 而要重點心出的是：本發明光學板之長條狀V型凸 12 200848868 ，和封閉式v型凸起可互換設置於 疋說’在背光模組中，光源容納部為：面和底面，也就 ，出光面及底面均可朝向擴散板設置。J上述光學板 本發明光學板之出光面（或底面）為=斤述’假設 邊出光面（或底面）相對之底面（或出井：「表面’與 第二表面形成有複數ί:成4=封閉式ν"Λ起， 體混==背光模組之亮度或用不同顏色之發光二極 ν成白光，上述光學板或單個光 納部可為複數，以使光學板與柘_早兀之先源谷 點光源。 <吏先干板仏板早-可對應容納複數 综上所述，本發明符合發明專利要件，爰依法提出專利 ^惟’以上所述者僅為本發明之較佳實施例，舉凡熟悉 案技蟄之人士，在爰依本發明精神所作之等效修倚或變 匕，皆應涵蓋於以下之申請專利範圍内。 【圖式簡單說明】 圖1係一種習知背光模組之結構示意圖。 圖2係本發明較佳實施例一之背光模組之剖面示意圖。 圖3係圖2所示背光模組之光學板之立體圖。 圖4係圖3所示光學板沿iv_IV線之剖面示意圖。 圖5係圖3所示光學板另一視角之立體圖。 圖6係本發明較佳實施例二之光學板之立體圖。 圖7係本發明較佳實施例三之光學板之剖面示意圖。 圖8係本發明較佳實施例四之光學板之剖面示意圖。 圖9係本發明較佳實施例五之組合光學板之分解立體 13 200848868Yes: in this embodiment, the long strip V placed on the bottom surface 203 can also form a sharp edge with the side of the optical plate 20 from the direction of extension of the tenth t:: / The reflective sheet 255 in this embodiment is not a point The light source can be used to emit the light source point source 25, and other means for reducing the beam from the top of the beam can be used, such as coating a reflective layer on the top thereof. As an example, the reflecting plate 22 can be omitted, especially when the frame 2! is coated with or coated with a highly reflective coating on the bottom plate 211. Mingmai is shown in Fig. 0, which is shown as i #g日^3〇〇 30. The difference is that the optical plate is not the same as the 'm ^2' φ. ^ ^ ^ π The first surface 302 is formed with a plurality of light sources. "04 is a circular closed V-shaped projection 3〇5. Please refer to Fig. 7, which shows the oxo cut. The optical plate 40 is different from the preferred optical plate of the fourth embodiment. The optical plate 2 of the optical plate 40 is similar to the optical plate 2〇, and the blind hole of the inside of the learning plate 40 is recessed; ^404 is the backlight module from the bottom surface 403 to the light matching-unreflecting element 40 can be separately disposed in the blind The top of the hole ", the light source" or the reflective element, please refer to Figure 8, which shows Yuan Shi 5〇. The optical plate 50 is different from the optical plate of the preferred embodiment 5. The two optical plates 2 of the optical plate 50 are similar, and the phase 4 and the two closed V-shaped projections are closely connected, 11 200848868 and the closed V The apex angle of the protrusion 505 is such that the bottom angle formed by the protrusion 505 is rounded by two closed V-shapes and R2. The rounded corners of R1 and R2 have a value range of m and a radius of R1 or equal to U mm. The rounded corners of the chirp J are 0 and smaller than the exit angle of the beam, which tends to slow down the light output of the backlight module. The apex angle of the V-shaped projection of the H-first board 50 and the adjacent V-shaped convex optical plate can be rounded. In summary, the angle is also designed to be rounded: closed 4 V type: at or above ... the bottom angle formed by the protrusion, the top: the two sides and the phase = the bottom angle formed by the V-shaped protrusion. The apex angle of the projections is shown in Figure 9, which is a preferred panel 60 of the present invention. The combined optical plate 6A includes four optical optical composites, and opticals of the preferred embodiment. The optical plate four optical plate units 62 can be arranged in close alignment with each other and have the same structure. ::r. Of course, the combined optics is four: the brightness = number required for the backlight module! Not limited to FIG. 10, which is a preferred one of the present invention. The combination includes four light & five combined light: "arranged in a row, and each optical plate: 72;:?, the board," that is, the combined optical plate 70 is connected through a combination of a transparent c-slot The optical plate 7G can be raised accordingly. It can be understood that the above-mentioned optical, and/or the above-mentioned optical efficiency of the present invention is a shape or a circle. The shape of the optical plate unit can be multilateral: for tight connection Or spaced apart from each other, wherein the tight phase = arrangement mode: the V-shaped convex structure is emitted in a range of angles from a hard number to a small angle. The focus is on the long strip V of the optical plate of the present invention. The type convex 12 200848868 and the closed v-shaped protrusion are interchangeably arranged in the backlight module. The light source accommodating portion is: a surface and a bottom surface, and the light-emitting surface and the bottom surface can both be disposed toward the diffusion plate. Optical plate The light-emitting surface (or bottom surface) of the optical plate of the present invention is assuming that the light-emitting surface (or the bottom surface) is opposite to the bottom surface (or the well surface: "the surface" and the second surface are formed with a plurality of ί: 4 = closed ν"Pick up, body blend == brightness of backlight module or use different The color of the light emitting diode ν becomes white light, and the above optical plate or single illuminating part can be plural, so that the optical plate and the 先_ early 先 先 谷 谷 谷 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 In summary, the present invention complies with the requirements of the invention patent, and the patent is filed according to law. The above description is only a preferred embodiment of the present invention, and those skilled in the art are entitled to the spirit of the present invention. Equivalent repair or change should be included in the following patent application. [Simplified illustration of the drawings] Fig. 1 is a schematic structural view of a conventional backlight module. Fig. 2 is a backlight of a preferred embodiment of the present invention. Figure 3 is a perspective view of the optical plate of the backlight module shown in Figure 2. Figure 4 is a cross-sectional view of the optical plate shown in Figure 3 along line iv_IV. Figure 5 is another view of the optical plate shown in Figure 3. Figure 6 is a perspective view of an optical plate according to a preferred embodiment of the present invention. Figure 7 is a cross-sectional view of an optical plate according to a preferred embodiment of the present invention. Figure 8 is an optical plate of a preferred embodiment 4 of the present invention. Schematic diagram of the cross section. Figure 9 is a preferred embodiment of the present invention. An exploded perspective view of optical composition of the five plates of Example 13 200 848 868
圖ίο係本發明較佳實施例六之組合光學板之立體圖。 【主要元件符號說明】 (本發明） 光學板 20、30、40、50、60、70 出光面 202、302 底面 203、403 光源容納部 204、304、404Figure ίο is a perspective view of a combined optical plate in accordance with a preferred embodiment of the present invention. [Main component symbol description] (Invention) Optical plate 20, 30, 40, 50, 60, 70 Light-emitting surface 202, 302 Bottom surface 203, 403 Light source housing portion 204, 304, 404
長條狀V型凸起206 封閉式V型凸起205、305、505 62、72 200 21 211 213 217 光學板單元 背光模組 框架 底板 侧壁 腔體 反射板 22 反射侧壁 223 擴散板 23 稜鏡片 24 點光源 25 發光部 251 基部 253 基部 253 14 200848868 反射片 255 知） 背光模組 100 框架 101 底板 1011 側壁 1013 腔體 1015 反射板 102 擴散板 103 稜鏡片 104 發光二極體 105 出光部 1051 基部 1053 反射片 106 15Long V-shaped protrusions 206 Closed V-shaped protrusions 205, 305, 505 62, 72 200 21 211 213 217 Optical plate unit backlight module frame bottom plate side wall cavity reflection plate 22 Reflection side wall 223 diffusion plate 23 rib Lens 24 point light source 25 illuminating part 251 base 253 base 253 14 200848868 reflecting sheet 255 know) backlight module 100 frame 101 bottom plate 1011 side wall 1013 cavity 1015 reflecting plate 102 diffusing plate 103 104 piece 104 light emitting diode 105 light emitting part 1051 base 1053 Reflector 106 15