201142205 六、發明說明： 【發明所屬之技術領域】 本發明係有關於一種發光 —〜一裡饈燈管 雙層結構的發光二極體燈管，以提高光詞 ’尤指一種具有 的可視角度。 【先前技術】 近年來，發光二極體元件已被大 域’而應用在照明等燈具中。 Μ於照明的領 由於現今的LED出光之可視角度僅為約】舒 = ===結構亦被侷限在上述可視二 光燈光線的可視角度相較於傳統曰 且吕為小，再者，在與燈管平行的縱抽方向上，由 夕個發光二極體排列於上述之 、 二極沪之^ ^ u a ，，釉方向，而兩相鄰的發光 之間的£域會因為光線的可視角度小而 又較小的區域，因此在縱軸方向上合 儿 列的現象，稱做「料^ t 、日生冗暗區域間隔排 上的不適。…點㈤轉）」，故造成使用者在視覺 印刷電目:板1#者:用尺寸較小的發光二極體元件排列於 接古以拉近發光二極體元件之間的距離，進而 孰點的产…1線受度，藉以緩和上述 二=献寸較小的發光二極體或許可以解決縱 題仍萑心、、、點問題，但橫軸方向上的可視角度較小的開 碭仍售沒有獲得解決。 ”。ί 本案發明人有舰上述習㈣結構於實際施用時的 3/18 201142205 ^失接且積累個人從事相關產業開發實務上多年之經 問題之:：，終於提出-種設計合理且有效改善上述 【發明内容】 树明之主要目的，在於提供—種發光二極體燈管， 其為-種以異型押出方法所製作之雙層結構，該雙層 = ==;=:該光學結構為片狀且具二個 、 使光線穿透該光學結構時得以產 折射效應’以使光線朝向較大的角度射出， 棱向光線的可視角度（viewangIe)。 燈管為上述目的’本發明係提供—種發光二極體 、匕3·包含至少一發光模組之燈管部以及盥 二；體成型之一光學結構，該光學結構係位於該 為：片，其包括-至少具有兩個側部之第-表二 一第一表面，其中，該些側部分別具有一第一曲率，談 丁表面具有一第二曲率’該第一曲率大於該第二曲率f藉 =該發光模組所發出之光線藉由通過該絲結構^ 美同上述光線之可視角度。 本發明更提供一種發光二極體燈管，其包含.^有 2:!2組之一燈管部；以及與該燈管部-體:型 先子結構，該光學結構係成型於該燈管部中且位於 ==模㈣出光方向上，該光學結構為—片狀結構，' 一匕括一第一表面及一不與該第一表面平行之第二表 4/18 201142205 二較該第二表面遠離該發光模組，且 〆弟表面之曲率大於該第二表面之 光模組所發出之光線藉由通過該 = 所形成的兩次光折射， 第一表面 本發明具有叮有㈣之可㈣度。 同的塑材製作燈管部與光學結構，$程=:塑^不 計時，將光學結構的不平彳 製程後即可得到完整 上’使異型押出 可有效提高生產效率。次組裝:故 的上下表面（即第—表二^相互平灯 次折射，以^ + a Α /、弟一表面），可對光線產生兩 度。 線射出的張角，進而提高光線的可視角 夂間更進一步瞭解本發明之特徵及技術内容，嘖 多閱以下有關本發明之詳細 〇月 僅提供參考與H 圖’然而所附圖式 '、 、’非用來對本發明加以限制者。 【實施方式】 細描本發明之實例實施例來詳 的元件。 圖式中的相同參考數字可用以表示類似 而型崎是以輯出的方式 學社播先一極脰^官之燈管部與光學結構，該弁 σ σ 1光線產生兩次折射的作Μ，+ 明之發光二極崎的發光二極發 5/18 201142205 部為具有兩端開口的長形管體，而光學結構為在管 Γΐ型的長形片狀結構’為了方便說明各元件，以下; 二句疋與發光一極體燈管之管體方向所垂直的橫軸 截面之剖面圖。 請參閱第-_示，其為本發明之第—實施例之一種 % -一極體燈官丄的剖面圖’發光二極體燈管1至少包括 4管部1Q及光學結構i i，而該燈管部丄◦中設有一發 光模組12，其可為—發光二極體。在本具體實施例中， 該發光模組1 2係1S定安裝於—散熱件2 Q的上表面 上，該散熱件2 0可為一紹擠型（aluminum extrusion)之 散熱結構，以提供散熱效果。此外，該發光模組1 2更可 ，連，於㈣電路板（®未^ )，· LED㈣電路板或 是燈管驅動電路板料，㈣定於該散熱件2 0上以提供 電性控制。 一光學結構1 i係與該燈管部丄〇一體成型，例如利用 尚分子材料經過押出成型技術（Extrusi〇n technology ，亦 稱播型技術）去製造各種形式的㈣成品之技術製作上述 之燈以1 Q與光學結構^ 1，在本具體實施例中，考慮 到，分子材料的透光率或其他光學、物理化學特性，故選 擇單玺料却1¾酸醋樹脂（Polycarbonate，PC)或麼 克力樹脂（Poly Methylmethacryiate，pMMA);或是不同 材料，如聚碳酸酯樹脂與壓克力樹脂進行異型押出，以製 作本發明之光學結構11與該燈管部1〇，但不以此為 限。例如上述之聚碳酸酯樹脂係選自於··廉商名：帝人， 產扣型號.LN-2250Z，其優點為抗摔、耐溼（吸水性為2 6/18 201142205 OS: 寻、級可達Μ、成型變形性小（成型收縮率為 °且其透光率為;而壓克力樹脂則係選 自廠商名:奇美’產品型號:復_2〇5、⑽7、復= 其吸水，為3%、全光透過率為卿，均可適用於本發明 之忒燈官部1 〇與光學結構1 1。 利用異型押出之發光二極體燈管1，該光 向:二管部)1广位於該發光模組 相應於…向形成二:Π:構11係 1 1平行之ί "7 1 1 1及一不與該第-表面1 -表面12，其中，如第-圖所示，該第 1 1 1相較於該第二表面1 1 2為更遠離歸弁 模組12。整體觀之，第-表面i i工且有^ ^先 1 2為大的曲率，且第一表曲；第-表面1 直線之曲率（直線的曲率為⑺）。 .、 第二表面112且有上表面111和 1 2所發出之光線通過光學結構^ 1 x吴、， 二表面n2產生第一次光折射，接著，第 V產ΐ第二次光折射’因此’經過上述的兩-欠光 視角可提焉由該燈管部1〇所照射出的光線之光學 復參考第二Α圖至第二c圖，並 例，其與第一實施例的差別在於1第明第二實施 兩個側部1111及位於該兩個側部表面111係由 央部1112所組成，在本具體實施例更4二= 7/18 201142205 1 1 1之結構上的變化配合第二表面丄 光線之光學視角的功效。請同時配合第二B圖及第二0 = 圖，上述兩個侧部1 11 1係分別為第二B圖中之 (連，中央部1112的端點）與位置。（連接燈管部工 〇的端點）及位置b2 (連接中央部i i丄2的端點 二(連接燈管部i ◦的端點）之間所界定的部分二 blcl線段與b2c2線段），而中央部丄χ工& 齡置b2之間所界定的部分（即_線段）；在1 大=個側部1111均具有第-曲率，而心 體實施例中，該燈管部10的半徑為17.25_ ί11的兩個側部的半徑係為19,12nJ== 予結構11的第二表面112的半徑係 人 =為半徑之倒數的定義(曲率p，，即可:知;據 率係纽苐二”，且第—曲率顯然小於直線之曲率。 狀表Γ又:Γ1112可為一具有多段連續曲率之弧 »^ ^.j ^ t ^ i t 'ι 1 tri c 1 ^ ^ ^ ^ ^ 曲率變化，而位w k农規線’而曲線a則代表其 支化而位置a、M、b2則代表在第二B圖的中 ^12的相應位置，其中’以位置a為-對稱點，該曲 a向兩側之位置Μ、位置b2形成—線性的對 k化關係’而在本具體實施例中，位置a之座標定義為 J置Μ之座標定義為卜3·5,8·712)，而位置 =:，8.712)，因此中央部…2的寬 …、 …、而中央部1 1 1 2的寬度可依據發光模 8/18 201142205 組1 2的尺寸加以變化，具體而言，中央部丄工 度係介於二分之—倍發光模W 2之 # 組i 2之尺寸的範圍之間，即在二分之一倍二 模組1 2的尺寸的範圍之間。本發明即利用第一^面^ 1士之側W i i i與中央W i丄2在結構上之變化 以相光學㈣的目的，且更有增加光線均勾度的 再一方面，復參考第二A圖，在第-者 燈管部1Q所形成的圓心1〇C同軸（即均位於光ϋ 上）；且該兩個側部工i i i係為不同圓心之不同 面’但仍具有相同的曲率，而該兩個側部丄 : 的圓心1111C係相互對稱於第二表 / L1):2。與燈管部1 ◦之圓心⑽所定義的轴= 再:方面，復參考第一圖與第二八圖，具有雙声201142205 VI. Description of the Invention: [Technical Field] The present invention relates to a light-emitting diode lamp of a double-layer structure of a light-emitting light tube to improve the optical word 'especially a viewing angle . [Prior Art] In recent years, light-emitting diode elements have been applied to lamps such as illumination in a large area. The angle of illumination is due to the fact that the viewing angle of LED light is only about 】 Shu = === The structure is also limited to the visible angle of the above visible two-light light line compared to the traditional 曰 and Lu is small, and again, In the direction of the longitudinal direction parallel to the tube, the illuminating diodes are arranged in the above-mentioned, two-pole, ^ ua, glaze direction, and the relationship between the two adjacent illuminates is visible due to the light. The angle is small and small, so the phenomenon of the children in the vertical axis direction is called "material ^ t, the discomfort on the interval of the boring area of the day. ... point (five) turn)", so the user is Visual printing electric circuit: board 1#: The smaller the size of the LED components arranged in the distance between the elements to pick up the light-emitting diodes, and then the production of the 1 point line, thereby easing The above two light-emitting diodes with smaller size may solve the problem of the vertical problem, but also the point problem, but the opening angle of the viewing angle in the horizontal axis direction is still not solved. The inventor of this case has the above-mentioned (4) structure of the ship in the actual application of 3/18 201142205 ^ lost and accumulated personal problems in the relevant industry development practice for many years::, finally proposed - a reasonable design and effective improvement The above [invention] The main purpose of the tree is to provide a light-emitting diode lamp, which is a two-layer structure produced by a special-type extrusion method, the double layer ===;=: the optical structure is a piece Shaped and two, allowing light to penetrate the optical structure to produce a refractive effect 'to make the light toward a larger angle, the angle of view of the edge of the light (viewangIe). The lamp for the above purpose 'the present invention provides - a light-emitting diode, a light-emitting diode comprising at least one light-emitting module, and a second optical structure, the optical structure being located in the sheet: comprising: at least two sides The first surface of the first table, wherein the side portions respectively have a first curvature, and the surface of the surface has a second curvature. The first curvature is greater than the second curvature f. Light by The wire structure is similar to the viewing angle of the light. The present invention further provides a light-emitting diode lamp comprising: a lamp portion of a group of 2:! 2; and a body portion of the lamp tube: a first sub-structure, the optical structure is formed in the tube portion and located in the light-emitting direction of the == die (four), the optical structure is a sheet-like structure, and the first surface and the first surface are The second surface of the surface is parallel to the second table 4/18 201142205. The second surface is away from the light emitting module, and the curvature of the surface of the younger brother is greater than the light emitted by the light module of the second surface by the passage of the = Secondary light refraction, the first surface of the present invention has the (four) degree of (4). The same plastic material is used to make the lamp tube portion and the optical structure, and the process is: the plastic film is not timed, and the optical structure is not smoothed. Completely 'make the shaped extrusion can effectively improve the production efficiency. Sub-assembly: the upper and lower surfaces (ie, the first table - two flat light refraction, ^ + a Α /, the younger one surface), can produce two degrees of light The angle of the line emitted by the line further increases the angle of view of the light. The features and technical contents of the present invention are described in detail below with reference to the drawings and the drawings, however, are not intended to limit the invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT OF THE INVENTION The same reference numerals in the drawings can be used to indicate similarity, and the type of singularity is to learn the first part of the lamp and the optical structure. σ σ 1 ray produces two refractions, + illuminates the dipole of the illuminating dipole 5/18 201142205 is an elongated tube with open ends, and the optical structure is elongated in the tube shape The sheet-like structure 'for convenience of description of each element, the following; a cross-sectional view of the transverse axis of the second sentence and the direction of the tube body of the light-emitting one-pole tube. Referring to FIG. 3, which is a cross-sectional view of a %-integral lamp official of the first embodiment of the present invention, the light-emitting diode lamp 1 includes at least four tube portions 1Q and an optical structure ii. A light-emitting module 12 is disposed in the lamp tube portion, which may be a light-emitting diode. In this embodiment, the light-emitting module 12 is mounted on the upper surface of the heat sink 2 Q, and the heat sink 20 can be a heat-dissipating structure of aluminum extrusion to provide heat dissipation. effect. In addition, the light-emitting module 12 can be connected to the (four) circuit board (® not), the LED (four) circuit board or the lamp driving circuit board, and (4) is disposed on the heat sink 20 to provide electrical control. . An optical structure 1 i is integrally formed with the lamp tube portion, for example, by using a molecular material through an extrusion molding technique (Extrusi〇n technology, also known as a broadcast technology) to manufacture various forms of (four) finished products. The lamp is 1 Q and the optical structure ^1. In the present embodiment, considering the transmittance of the molecular material or other optical and physicochemical properties, the single-layer material is selected as a 13⁄4 acid carbonate resin (Polycarbonate, PC) or Poly Methylmethacryiate (pMMA); or different materials, such as polycarbonate resin and acrylic resin, for the extrusion of the optical structure 11 of the present invention and the lamp tube portion, but not Limited. For example, the above-mentioned polycarbonate resin is selected from the brand name: Teijin, the production model. LN-2250Z, which has the advantages of anti-drop and moisture resistance (water absorption is 2 6/18 201142205 OS: search, grade Μ Μ, molding deformation is small (molding shrinkage is ° and its light transmittance; and acrylic resin is selected from the manufacturer name: Chi Mei' product model: complex _2 〇 5, (10) 7, complex = its water absorption, The light transmittance of 3% and the total light transmittance can be applied to the Xenon lamp 1 and the optical structure 1 of the present invention. The light-emitting diode lamp 1 with a profiled extrusion is used, and the light direction is: 1 is widely located in the illuminating module corresponding to the ... forming two: Π: constituting 11 series 1 1 parallel ί " 7 1 1 1 and a not with the first surface 1 - surface 12, wherein, as shown in the first It is shown that the first 11 1 phase is farther away from the annihilation module 12 than the second surface 1 1 2 . As a whole, the first surface ii has a large curvature and the first Table curvature; the curvature of the first surface 1 line (the curvature of the line is (7)). The second surface 112 and the light emitted by the upper surface 111 and 12 pass through the optical structure ^ 1 x Wu, the two surfaces n2 Primary light Shooting, then, the second light refraction of the Vth calving 'thus', through the above two-under-light viewing angle, can be improved by the optical reference of the light irradiated by the tube portion 1〇 to the second The figure is different from the first embodiment in that the first side portion 1111 of the second embodiment and the two side surfaces 111 are composed of the central portion 1112, which is further in this embodiment. 2 = 7/18 201142205 1 1 1 The structural change matches the optical angle of view of the second surface 。 light. Please also cooperate with the second B picture and the second 0 = picture, the two side parts 1 11 1 respectively It is in the second B diagram (connected, the end of the central portion 1112) and the position (the end point connecting the lamp part process) and the position b2 (the end point of the connection center portion ii 丄 2 (connecting the lamp part) i ◦ end point) between the defined part of the two blcl line segment and the b2c2 line segment), and the central part of the completion & age set b2 between the defined portion (ie _ line segment); at 1 large = side Each of 1111 has a first curvature, and in the embodiment of the core body, the radius of the two sides of the tube portion 10 having a radius of 17.25_ί11 is 19, 12 nJ == The radius of the second surface 112 of 11 is the definition of the inverse of the radius (curvature p, ie: know; according to the rate system), and the first curvature is obviously smaller than the curvature of the straight line. Γ1112 can be an arc with multiple continuous curvatures »^ ^.j ^ t ^ it 'ι 1 tri c 1 ^ ^ ^ ^ ^ curvature change, while bit wk agricultural rule line' and curve a represents its branching position a, M, b2 represent the corresponding position in the middle 12 of the second B picture, where 'the position a is a symmetry point, the position a of the curve a to the two sides, the position b2 forms a linear k-relation relationship 'In the present embodiment, the coordinates of the position a are defined as the coordinates of the J set are defined as Bu 3·5, 8·712), and the position =:, 8.712), so the width of the central portion... 2, ... The width of the central portion 1 1 1 2 can be varied according to the size of the light-emitting die 8/18 201142205 group 112. Specifically, the central portion is equal to the two-fold light-emitting mode W 2 Between the range of sizes of 2, that is, between the range of dimensions of the second of the two modules 1 2 . The invention utilizes the change of the structure of the side W iii and the central W i 丄 2 of the first surface to the phase optics (4), and further increases the lightness of the light, and refers to the second In Fig. A, the center 1〇C formed by the first lamp portion 1Q is coaxial (i.e., both are located on the pupil); and the two side members iii are different faces of different centers, but still have the same curvature. And the center 1111C of the two side 丄: is symmetrical to each other in the second table / L1): 2. The axis defined by the center of the lamp tube 1 (10) = again: the reference to the first picture and the second eight figure, with double sound
Hi;:;:?/定義出兩空間’-為由該“構 弟-表面⑴與該燈管部10所定義之第一空 間1 0 1，另一則為由該光學結構工2之 與該燈管部10所定義之第二空間102二=; 〇更成型有一第一卡合部1 〇 3於該第二空間工二，、 用於組裝散熱件2 〇 ’藉此，發光模組工 勒 件2 0上，而發光模組12所發出的光線即; 第二表面1 1 2所產生的兩次光折射而提^ 視角度，同時，更藉由第一表面111上的結構變化 9/18 201142205 ’ ,· (如第二A圖），除了提升可視角度外，亦可達成使光線 均勻的效果。凊參考第三圖，其係顯示將上述之發光模組 1 2裝設於本發明第二實施例之發光二極體燈管1後進 行光形的測έ式結果，其中利用本發明之結構，整體的光學 可視角度已大幅提昇至14〇度，故可提高產品的應用面: 另外，為了避免光學結構1 1過於接近發光模組1 2 而使發光模組1 2產生的熱量影響光學結構1 1特性，哼 發光模組1 2與光學結構!在光軸L上的距離較佳在】 mm以上。具體而言，光學結構1 1與發光模組；[2之間 的距離係介於以下兩種態樣之間：光學結構1 i與發紐 組1 2之間的最小距離係為光學結構丄1之第二表面1 12接觸該發光模組12之出光面121(即上表面）； 而光學結構11與發光模組12之間的最大距離係為三 分之二倍的發光模組i 2之出光面丄2工至燈管部丄； 在光軸L上的距離，即光學結構i丄在光軸l上的位置可 以介於直接接觸出光面工2丄處以及位於出光面U 1 ί出光方向至接觸到燈管部1◦處的三分之二倍距離的 範圍。Hi;:;:?/ defines two spaces '- as the first space defined by the "chief-surface (1) and the lamp portion 10, and the other is the optical structure 2 The second space 102 defined by the lamp tube portion 10=; is further formed with a first engaging portion 1 〇3 in the second space 2, for assembling the heat dissipating member 2 〇 'by this, the lighting module The light emitted by the light-emitting module 12 is the light emitted by the light-emitting module 12; that is, the two light rays generated by the second surface 1 1 2 are refracted to enhance the viewing angle, and at the same time, by the structural change on the first surface 111 9 /18 201142205 ' , · (as in Figure 2A), in addition to improving the viewing angle, the effect of even light can be achieved. 凊 Referring to the third figure, it is shown that the above-mentioned lighting module 12 is installed in the present After the invention, the light-emitting diode lamp 1 of the second embodiment is subjected to the measurement result of the light shape, wherein the overall optical viewing angle has been greatly improved to 14 degrees by using the structure of the invention, so that the application surface of the product can be improved. In addition, in order to prevent the optical structure 1 1 from being too close to the light-emitting module 1 2, the heat generated by the light-emitting module 12 affects the optical junction. The structure of the light-emitting module 1 2 and the optical structure! The distance on the optical axis L is preferably above MM. Specifically, the optical structure 1 1 and the light-emitting module; Between the following two aspects: the minimum distance between the optical structure 1 i and the button set 12 is the second surface 1 12 of the optical structure 12 1 contacting the light-emitting surface 121 of the light-emitting module 12 (ie, the upper surface) And the maximum distance between the optical structure 11 and the light-emitting module 12 is two-thirds of the light-emitting surface of the light-emitting module i 2 to the lamp tube portion; the distance on the optical axis L, that is, The position of the optical structure i 丄 on the optical axis 1 may be in a range of direct contact with the light-emitting surface 2 以及 and a distance of two-thirds of the distance from the light-emitting surface U 1 ί light-emitting direction to the contact with the lamp tube portion 1 .
嫌m 四圖所示之第二實施例的一變化實施態 樣，其與第二貫施例不同之處在於，上述兩個侧部上u 1之該第—曲率係等於直線之曲率（直線的曲率為〇〇)， 位置cl (即連接燈官部i Q的端點）與位置μ (連接中 ，部1 1 1 2的端點）的連線為水平線段，而位置。2 (即 連接燈官部i 〇的端點）與位置b2 (連接中央部1 U 2 的端點）的連線為水平線段：亦即，在側W 10/18 201142205 連接該燈管部1 〇的端點不高於連接該中央部 之端點。以^學設計的角度下，位置d不高於位置bl、 位置c2不〶於位置b2。換言之，在前述之第—曲率必須 大於第二曲率的條件下’該兩個側部1 1 1 1 (即bl:; 線段與b2c2線段）不得高於水平線段。 第五圖則顯示第二實施例的另一變化實施態樣，並鱼 第二實施例不同之處在於，該兩個側部iU Μ為相同 ^之弧狀表面（即該兩個側部丄丄丄丄為可假想連線為 表面)，即該兩個側部1 1 1 1具有同一圓心 另外’在—變化實施態樣中，該發光模組1 2的位置 可安裝於燈管部工〇之第二空間丄〇 2中的較低位置 tit而、，光學結構1 1與發光模組1 2之間的距離仍滿 月j 所述之光學結構工工與發光模組工2之間的 第六，則顯示第五圖之實施例的變化實施態樣，其與 第五圖之實施例不同之處在於.，散熱件2 ◦之上表面設有 三個發光模組1 2 ’而光學結構1 1之第-表面1 i工則 成型有三個分別對應上述三個發光模組12之具有雲規 線結構之中央部1 1 1 2 ’例如最左邊之發光模組i 2是 對應由位置b3與位置b5所定義之中央部1 i i 2 ;而該 ，中央部1112之條件亦同樣具有第二實施例之中央 邰1 1 12的尺寸條件。換言之，該燈管部丄〇中可設有 多個該發光模組1 2，光學結構1 1之第—表面！丄丄則 可包括夕個側部1 1 1 1 (即Clb5線段、b3bl線段、b2b4 11/18 201142205 線Ijl和b6c2線段）及多個分別位於兩兩該側部1 1 1 1 之間而對應該些發光模組丄2的中央部丄i丄2(即b5b3 線段、blb2線段和b4b6線段），而每一該些中央部丄工工 2,寬度係介於二分之一倍至三倍的其所對應之該發光 模組1 2尺寸之間。為方便說明，本實施例的各個側部1 1 1 1可構成相同圓心丄丄丄丄c的弧狀表面。但在其他 可能實施例中，多個側部i丄丄工可以分別為構成不同圓 ^但具有相同曲率的弧狀表面；或是利用光軸L將多個側 郤1 1 1 1分成位於光軸L左側之側部1 1 1及位於光 轴L右側之側部工丄工工，位於光轴L同一側的側部1 1 1 1均為同一圓心，而位於光軸L不同側的側部1 1工工 則為不同圓心，且上述位於光軸L兩側的側部丄丄丄工之 圓心仍為相互對稱（即將多個發光模組丄2直接應用在第 一 A圖上，而使其具有相應多個雲規線結構），以上諸多 可能變化亦屬本發明的範疇。 第七圖則顯示本發明之第三實施例，同於第二實施 例，该光學結構1 1係成型於該燈管部丄〇中且位於該發 光模組1 2的出光方向上’該光學結構工工包括第一表面 111及不與該第-表面111相互平行之第二表面i 1 2，且第一表面1 1 1亦由兩個側部工工工工及中央部 1 1 1 2所組成，詳細的結構請參照第二實施例。而本實 施例與第二實施例不同之處在於，本發明之光學結構工1 及位於出錢域處之燈管部1 〇的表面上可設有光學微 結構’以提高光線均勻性，例如在本具體實施例中，讓光 學結構1 1之第二表面i i 2設有多個凸部工工2工，值 12/18 201142205 得注意的是，上述凸部1 1 2 1亦同樣係由押出成型技術 所一體成型，因此，本實施例可達成的功效除了可以提高 光學可視角度，該些凸部1121更進一步具有使光線均 勻的效果。 第八圖則顯示本發明之第四實施例，同於第二實施 例，該光學結構11係成型於該燈管部1〇中且位於該發 光模組12的出光方向上，該光學結構1 1包括第一表面 111及不與該第一表面111相互平行之第二表面丄 籲12,且第一表面ill亦由兩個側部丄丄丄丄及中央部 1 1 1 2所組成，詳細的結構請參照第二實施例。而本實 施例與第二實施例不同之處在於，該燈管部2 〇更成型有 一第二卡合部1〇 4於該第一空間1 0 1，以用於組裝一 光學元件1 3，該光學元件1 3可為一光學擴散片或一光 學增光片，但不以此為限，該光學元件i 3可具有使光線 均勻的效果。因此，第四實施例所達成的功效除了可以提 _尚光學可視角度，該光學元件1 3更進一步具有使光線均 勻的效果。 综上所述’本發明可以具有下列諸項優點的其中之 —· 1、本發明係利用異型押出方法將光學結構成型於燈管部 中’且5玄光學結構具有兩個不相互平行的表面，使射 出的光線藉由上下表面所產生的光折射效果，以達成 提高光線的可視角度的功效，進以提高燈管之橫輛方 向（本發明定義橫軸方向為垂直燈管之方向）上的光 線可視角度。 13/18 201142205 2:燈==方向(本發明定義_向 ㈣二”可視角度，故在相同發光二 極體的尺寸條件下，本發明之結構可減少熱 spot)的情形。 、τ 3、ί發明可利用押㈣所設相微結構，如光學結構下 樣面的凸部、在光學結構上表面的各式結構態 樣、或疋外力口光學元件等方式，以提高光線的均勾度。 π太m所述僅為本發明之較佳可行實施例，非因此侷 明之專利範圍，故舉凡運用本發明說明書及圖示 谷所為之等效技術變化，均包含於本發明之範圍内。 【圖式簡單說明】 第:圖係為本發明第—實施例之發光二極體燈管 不意圖。 第- A圖係為本發明第二實施例之發光二極體燈管的剖 面示意圖。 σ 第二Β圖係為第二Α _光學結構之局部示意圖。 第二C圖係為本發明第二實施例中該光學結構之中央部的 曲率變化。 第三圖係為根據第二實施例之發光二極體燈管所發出光 線之光形圖。 第四圖係為本發明第二實施例的一變化實施態樣。 第五圖係為本發明第二實施例的另一變化實施態樣。 第六圖係為本發明第五圖之實施例的變化實施態樣。 第七圖係為本發明第三實施例之發光二極體燈管的剖面 14/18 201142205 示意圖。 第八圖係為本發明第四實施例之發光二極體燈管的剖面 示意圖。 【主要元件符號說明】 1 發光二極體燈管 1 0 燈管部 1 0 1 第一空間 1 0 2 第二空間 1 0 3 第—^合部 1 0 4 第二卡合部 1 1 光學結構 1 1 1 第一表面 1 1 1 1 側部 1 1 1 2 中央部 1 1 2 第二表面 1 1 2 1 凸部 1 2 發光模組 1 2 1 出光面 13 光學元件 2 0 散熱件 1 0 C、1 1 2 C、1 1 1 1 C 圓心 a, bl, b2, b3, b4, b5, b6, cl, c2 位置 A曲線 L光軸 15/18A variation of the second embodiment shown in FIG. 4 is different from the second embodiment in that the first curvature of u 1 on the two side portions is equal to the curvature of the straight line (straight line The curvature is 〇〇), the position cl (that is, the end point connecting the lamp official i Q) and the position μ (the end of the connection, the 1 1 1 2 end of the connection) are horizontal line segments, and the position. 2 (ie the end point connecting the lamp official i 〇) and the position b2 (the end point connecting the central part 1 U 2 ) are horizontal lines: that is, the side of the lamp unit 1 is connected at the side W 10/18 201142205 The endpoint of 〇 is no higher than the endpoint connected to the central portion. From the perspective of design, the position d is not higher than the position bl, and the position c2 is not confined to the position b2. In other words, the two side portions 1 1 1 1 (i.e., the bl:; line segment and the b2c2 line segment) must not be higher than the horizontal line segment under the condition that the aforementioned first curvature must be greater than the second curvature. The fifth figure shows another variation of the second embodiment, and the second embodiment of the fish differs in that the two side portions iU Μ are the same curved surface (ie, the two side portions 丄The imaginary connection is a surface, that is, the two side portions 1 1 1 1 have the same center, and the position of the light-emitting module 12 can be installed in the lamp tube. Between the lower position of the second space 丄〇2, the distance between the optical structure 1 1 and the light-emitting module 12 is still between the optical structure worker and the light-emitting module 2 Sixth, a variation of the embodiment of the fifth embodiment is shown, which is different from the embodiment of the fifth embodiment in that the heat dissipation member 2 has three light-emitting modules 1 2 ' on the upper surface thereof and the optical structure The first surface-surface 1 i is formed with three central portions 1 1 1 2 2 having a cloud gauge line structure respectively corresponding to the three light-emitting modules 12, for example, the leftmost light-emitting module i 2 is corresponding to the position b3 The central portion 1 ii 2 defined by the position b5; and the condition of the central portion 1112 also has the second embodiment Central Tai dimensional conditions of 1112. In other words, a plurality of the light-emitting modules 12 can be disposed in the lamp tube portion, and the first surface of the optical structure 1 1! The 丄丄 may include a side portion 1 1 1 1 (ie, a Clb5 line segment, a b3bl line segment, a b2b4 11/18 201142205 line Ijl and b6c2 line segments) and a plurality of the two sides of the side portion 1 1 1 1 respectively There should be some central part 丄i丄2 of the illuminating module (2 (ie b5b3 line segment, blb2 line segment and b4b6 line segment), and each of these central parts is 2, the width is between one-half and three times It corresponds to the size of the light-emitting module 1 2 . For convenience of explanation, each side portion 1 1 1 1 of the present embodiment may constitute an arcuate surface of the same center 丄丄丄丄c. However, in other possible embodiments, the plurality of side i can be respectively formed into arcuate surfaces having different circles but having the same curvature; or the optical axis L can be used to divide the plurality of sides into 1 1 1 1 The side portion 1 1 1 on the left side of the shaft L and the side working portion on the right side of the optical axis L, the side portions 1 1 1 1 on the same side of the optical axis L are all the same center, and the side on the different side of the optical axis L The part 1 1 is a different center of the circle, and the center of the side of the side of the optical axis L is still symmetrical to each other (ie, the plurality of light-emitting modules 丄 2 are directly applied to the first A picture, and It has a corresponding plurality of cloud rule line structures, and many of the above possible variations are also within the scope of the present invention. The seventh embodiment shows a third embodiment of the present invention. In the same manner as the second embodiment, the optical structure 11 is formed in the lamp tube portion and located in the light exiting direction of the light emitting module 12. The structural work includes a first surface 111 and a second surface i 1 2 that is not parallel to the first surface 111, and the first surface 11 1 is also composed of two side workers and a central portion 1 1 1 2 For the detailed structure, please refer to the second embodiment. The difference between this embodiment and the second embodiment is that the optical structure 1 of the present invention and the surface of the tube portion 1 位于 located at the money-sending area can be provided with an optical microstructure to improve light uniformity, for example. In this embodiment, the second surface ii 2 of the optical structure 1 1 is provided with a plurality of convex portions, and the value is 12/18 201142205. It should be noted that the convex portion 1 1 2 1 is also The extrusion molding technique is integrally formed, and therefore, the achievable effect of the embodiment can improve the optical viewing angle, and the convex portions 1121 further have the effect of making the light uniform. The eighth embodiment shows a fourth embodiment of the present invention. In the same manner as the second embodiment, the optical structure 11 is formed in the lamp tube portion 1 in the light emitting direction of the light emitting module 12, and the optical structure 1 is formed. 1 includes a first surface 111 and a second surface 丄 12 that is not parallel to the first surface 111, and the first surface ill is also composed of two side 丄丄丄丄 and a central portion 1 1 1 2 , detailed Please refer to the second embodiment for the structure. The difference between the embodiment and the second embodiment is that the lamp tube portion 2 is further formed with a second engaging portion 1 〇 4 in the first space 110 for assembling an optical component 13 . The optical element 13 can be an optical diffuser or an optical adder, but the optical element i 3 can have the effect of making the light uniform. Therefore, in addition to the effect achieved by the fourth embodiment, the optical element 13 further has the effect of uniformizing the light. In summary, the present invention may have the following advantages: 1. The present invention utilizes a profile extrusion method to form an optical structure into a tube portion' and the 5 meta-optical structure has two surfaces that are not parallel to each other. Therefore, the emitted light is refracted by the light generated by the upper and lower surfaces to achieve the effect of improving the viewing angle of the light, thereby increasing the cross direction of the tube (the direction of the horizontal axis defined by the present invention is the direction of the vertical tube). The light is visible at an angle. 13/18 201142205 2: lamp == direction (the invention defines _ to (four) two" viewing angle, so under the condition of the same light-emitting diode size, the structure of the invention can reduce the situation of hot spots. The invention can utilize the phase microstructures of the (4) phase, such as the convex portion of the optical structure under the sample surface, the various structural aspects on the upper surface of the optical structure, or the optical element of the external force port to improve the uniformity of the light. The π m m is only a preferred embodiment of the present invention, and is not intended to be a limitation of the scope of the invention, and the equivalents of the present invention are included in the scope of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic cross-sectional view of a light-emitting diode lamp according to a second embodiment of the present invention. FIG. σ The second diagram is a partial schematic diagram of the second _ _ optical structure. The second C diagram is the curvature change of the central portion of the optical structure in the second embodiment of the present invention. The third diagram is according to the second embodiment. Light emitted by a light-emitting diode lamp The fourth figure is a variation of the second embodiment of the present invention. The fifth figure is another variation of the second embodiment of the present invention. 7 is a schematic view of a cross section 14/18 201142205 of a light-emitting diode lamp according to a third embodiment of the present invention. The eighth figure is a light-emitting diode according to a fourth embodiment of the present invention. Schematic diagram of the pole of the polar body tube [Description of the main components] 1 LED lamp 1 0 Lamp section 1 0 1 First space 1 0 2 Second space 1 0 3 First - ^ 1 1 4 Two engaging portions 1 1 Optical structure 1 1 1 First surface 1 1 1 1 Side portion 1 1 1 2 Center portion 1 1 2 Second surface 1 1 2 1 Projection 1 2 Light-emitting module 1 2 1 Light-emitting surface 13 Optical Component 2 0 Heat sink 1 0 C, 1 1 2 C, 1 1 1 1 C Center a, bl, b2, b3, b4, b5, b6, cl, c2 Position A curve L optical axis 15/18