201115069 六、發明說明： 【發明所屬之技術領域】 [0001] 本發明涉及一種發光二極體燈具。 【先前技術】 [0002] 目前，發光二極體（Light Emitting Diode, LED)已經 被廣泛應用到很多領域，尤其係廣泛應用於燈具。 [0003] 由於發光二極體燈具的工作時間一般較長，其產生的熱 量亦較多，當溫度達到一定程度時，將會導致發光二極 體低落的内部量子效應並且明顯縮短其壽命。 [0004] 有鑒於此，提供一種具有良好散熱效率的發光二極體燈 具實為必要。 【發明内容】 [0005] 下面將以具體實施例說明一種具有良好散熱效率的發光 二極體燈具。 [0006] —種發光二極體燈具，其包括一發光二極體光源、一接 頭以及一散熱體，該發光二極體光源包括一電路板和複 數個發光二極體，該複數個發光二極體設置於該電路板 上並與該電路板電性連接；該接頭與電路板電性連接， 以從外界獲取電力並提供給電路板上的發光二極體；該 散熱體與所述電路板熱連接，該散熱體包括一散熱面， 該散熱面設置有螺紋。 [0007] 與先前技術相比，本發明所提供的發光二極體燈具散熱 體的散熱面上設置有螺紋，其可增加散熱體的散熱表面 積，從而達到良好的散熱效果。 098136884 表單編號A0101 第4頁/共24頁 0982063221-0 201115069 [0008] [0009] [0010] 〇 toon] [0012] ❹ [0013] [0014] 【實施方式】 下面將結合附圖對本發明實施例作進一步詳細說明。 請參見圖1和圖2，本發明第一實施方式提供的發光二極 體燈具10，其包括：一發光二極體光源η、一散熱體12 以及一接頭13。 該發光二極體光源11包括一電路板11〇以及設置於該電路 板110上的一個或複數個（本實施例中為複數個）發光二極 體 112。 本實施例中’該電咚板11〇為平板狀電路板，其包括用於 與散熱體12熱連接的第一表面11〇2及與該笫一表面1102 相對的第二表面1104。所述發光二極艘112設置於電路板 110的第二表面1104上。 該電路板110並不局限為平板狀，該電路板11()可呈柱狀 ，其至少包括兩個侧面：用於輿锴熱體12熱連接的第一 表面1102，及用於承載發光二極體的第二表面11〇4。參 見圖3 ’該電路板11〇呈棱柱狀，該第二表面11〇4包括複 數個不共面的平面’從而設置各平面上的發光二極體112 可以分別朝不同方向發光而具有更大的照明範圍。 可理解地’該電路板110還可為圖4所示的柱狀，其第二 表面1104為光滑的曲面’設置於其上的發光二極體112分 別朝不同方向發光而具有更大的照明範圍。 該散熱體12設置於電路板11〇的第二表面1104上。該散 熱體12藉由第二表面11〇4與電路板no熱連接，用於疏 散由發光二極體112產生而傳導至電路板no的熱量。該 098136884 表單編號Α0101 第5頁/共24頁 0982063221-0 201115069 散熱體12採用高導熱係數的材質製成，例如鋁、金、銀 、銅等金屬或其合金。 [0015] 本實施例中，該散熱體12為一半圓柱體，其包括用於與 電路板11的第一表面1102熱連接的平坦側面（圖未標示） ，以及與該平坦側面相鄰、且沿遠離該平坦側面方向凸 起的圓柱側面120。該平坦侧面為熱接收面，用於接收從 發光二極體112傳遞至電路板110的熱量。該圓柱側面 120為散熱面’且該圓柱側面12〇上設置有環繞其轴線方 向延伸的螺紋122，從而散熱體12具有更大的散熱表面， 更利於熱量的疏散。 [0016] 該散熱體12並不局限為半圓柱體，參見圖5，為減輕散熱 體12的重量’該散熱體12還可呈拱形，其與電路板11〇熱 連接且包括沿遠離電路板110方向凸起的圓柱侧面120。 該圓柱側面12 0為散熱面，且該圓柱側面12 0上設置有環 繞其轴線方向延伸的螺紋122。 · - ；：：：：, '! [00Π]該接頭13設置於半圓柱散秦體12妹一端，並與電路板110 電性連接，以從外界獲取電能並以此電能驅動設置於電 路板110上的發光二極體112發光。該接頭13可為常見的 螺口接頭或卡口接頭。本實施例中，該接頭13為螺〇接 頭，且該接頭13的螺紋紋路及螺距均與散熱體12上的螺 紋12 2的紋路及螺距相同。 [0018]參見圖6及圖7，本發明第二實施例提供另一種發光二極 體燈具20，其包括：一發光二極體光源21、一散熱體22 以及一接頭23。該發光二極體燈具2〇與發光二極體燈具 098136884 表單編號A0101 第6頁/共24頁 0982063221-0 201115069 〇酬 [0020] ❹ [0021] [0022] 10的結構大體相似，其同樣包括包括一電路板210以及設 置於該電路板210上的一個或複數個（本實施例中為複數 個）發光二極體212。其不同之處在於，該發光二極體燈 具20的散熱體22為一圓柱體，該發光二極體光源21及接 頭23分別設置於圓柱形散熱體22相對的兩個底面上，該 圓柱形散熱體22的側面220為散熱面，且該侧面220上設 置有螺紋222。另外，該發光二極體光源21還包括設置於 電路板210上、用于覆蓋并保護發光二極體212的燈罩 214。 參見圖8，為減輕散熱體22的重量，該散熱體22還可為中 空的環形柱體。 參見圖9，本發明第三實施例提供又一種發光二極體燈具 30。該發光二極體燈具30的散熱體32為一圓臺，該發光 二極體光源31及接頭33分別設置於散熱體32相對的兩個 圓臺底面（圓臺上底面與下底面）上，該散熱體32的圓臺 側面320為散熱面，且該圓臺側面320上設置有螺紋322 〇 參見圖10，本發明還提供一種可與發光二極體燈具10配 合使用的燈座40。該燈座40包括一本體41以及自本體41 向外延伸的半環形柱體42。 該本體41上設置有螺紋孔410，該螺紋孔410的螺紋紋路 及螺距與接頭13上的螺紋紋路及螺距相配合。該半環形 柱體42的内壁上形成有螺紋420，該螺紋420與螺紋122 的螺紋紋路及螺距相配合。當發光二極體燈具10與燈座 098136884 表單編號Α0101 第7頁/共24頁 0982063221-0 201115069 4〇配°使用8夺’接頭13能夠旋入螺紋孔41〇從而達成緊密 唾0錢座4G藉由螺紋孔41 GS]持發光二級據具10， 並向接頭13提供雷^ ^ . 风货電力，散熱體12的螺紋122與半環形柱體 4 2的螺紋4 2 〇相5 njt人 相互嘴合而達成緊密接觸，從而散熱體12可 將熱量迅速傳導至燈座40。 [0023] [0024] [0025] 參見圖11 ’本發明還提供-種可與發光二極體燈具20配 合使用的燈座50。該燈座50包括一圓柱形本體5卜 該本體51内部形成有階梯孔螺紋孔51〇 、512 °螺紋孔 510的螺紋紋路及螺距與接頭2 3上的螺紋紋路及螺距相配 ❹ 合。螺紋孔512的螺紋紋路及螺距與與螺紋222的螺紋紋 路及螺距相配合。當發光二極體燈具2〇與燈座5〇配合使 用時，接頭23能夠旋入螺紋孔51〇從而達成緊密嚙合，該 燈座50藉由螺紋孔51〇向接頭23提供電力；散熱體22的 螺紋222與螺紋512相互嚙合而達成緊密接觸，從而散熱 體22可將熱量迅速傳導至燦座5〇。 所述發光二極體燈具10、2〇、Μ的散‘體丨2、22 ' 32的 散熱面120、220、320上詨置有蜾紋122、222、322， ^ 其可增加散熱體12、22、32的散熱表面積，從而達到良 好的散熱效果。所述燈具40、50具有與散熱體12、22相 配合的螺紋420、512，從而可與散熱體12、22的螺紋 122、222達成緊密配合，利於散熱體丨2、22將熱量迅速 傳導至燈座40、50。 另外，本領域技術人員還可以在本發明精神内做其他變 化，當然，這些依據本發明精神所做的變化，都應包含 098136884 表單編號A0101 第8頁/共24頁 0982063221-0 [0026] 201115069 在本發明所要求保護的範圍之内。 [0027] 综上所述，本發明確已符合發明專利之要件，遂依法提 出專利申請。惟，以上所述者僅為本發明之較佳實施方 式，自不能以此限制本案之申請專利範圍。舉凡熟悉本 案技藝之人士援依本發明之精神所作之等效修飾或變化 ，皆應涵蓋於以下申請專利範圍内。 【圖式簡單說明】 [0028] 圖1係本發明第一實施例提供的發光二極體燈具的結構示 意圖。 [0029] 圖2係圖1所示發光二極體燈具沿II-II的剖視圖。 [0030] 圖3係本發明第一實施例的一變更實施方案的發光二極體 燈具結構示意圖。 [0031] 圖4係本發明第一實施例的另一變更實施方案的發光二極 體燈具結構示意圖。 [0032] 圖5係本發明第一實施例的又一變更實施方案的發光二極 〇 體燈具結構示意圖。 [0033] 圖6係本發明第二實施例提供的發光二極體燈具的結構示 意圖。 [0034] 圖7係圖6所示發光二極體燈具沿VII-VII的剖視圖。 [0035] 圖8係本發明第二實施例的一變更實施方案的發光二極體 燈具結構示意圖。 [0036] 圖9係本發明第三實施例提供的發光二極體燈具的結構示 意圖。 098136884 表單編號 A0101 第 9 頁/共 24 頁 0982063221-0 201115069 [0037] 圖10係本發明提供的一種燈座的結構示意圖。 [0038] 圖11係本發明提供的另一種燈座的結構示意圖。 【主要元件符號說明】 [0039] 發光二極體燈具：10、20 '30 [0040] 發光二極體光源：11、21 、31 [0041] 電路板：110、210 [0042] 第一表面：1102 [0043] 第二表面：1104 [0044] 發光二極體：112、212 [0045] 散熱體：12、22、32 [0046] 圓柱侧面：120 [0047] 螺紋：122、222、322 [0048] 接頭：13、23、33 [0049] 側面：220 [0050] 燈罩：214 [0051] 圓臺側面：3 2 0 [0052] 燈座：40、50 [0053] 本體：41、51 [0054] 半環形柱體：42 [0055] 螺紋孔：410、510、512 表單編號A0101 第10頁/共24頁 098136884 0982063221-0 201115069 [0056]螺紋：42 0201115069 VI. Description of the Invention: [Technical Field of the Invention] [0001] The present invention relates to a light-emitting diode lamp. [Prior Art] [0002] At present, Light Emitting Diode (LED) has been widely used in many fields, especially in lamps. [0003] Since the operating time of a light-emitting diode lamp is generally long, it generates a large amount of heat. When the temperature reaches a certain level, it will cause an internal quantum effect of the low level of the light-emitting diode and significantly shorten its life. In view of the above, it is necessary to provide a light-emitting diode lamp having good heat dissipation efficiency. SUMMARY OF THE INVENTION [0005] Hereinafter, a light-emitting diode lamp having good heat dissipation efficiency will be described by way of a specific embodiment. [0006] A light-emitting diode lamp includes a light-emitting diode light source, a joint, and a heat sink, the light-emitting diode light source includes a circuit board and a plurality of light-emitting diodes, and the plurality of light-emitting diodes The pole body is disposed on the circuit board and electrically connected to the circuit board; the connector is electrically connected to the circuit board to obtain power from the outside and is provided to the light emitting diode on the circuit board; the heat sink and the circuit The board is thermally connected, and the heat sink includes a heat dissipating surface, and the heat dissipating surface is provided with a thread. Compared with the prior art, the heat dissipating surface of the heat sink body of the light emitting diode lamp provided by the present invention is provided with a thread, which can increase the heat dissipating surface area of the heat dissipating body, thereby achieving a good heat dissipating effect. 098136884 Form No. A0101 Page 4 / Total 24 Page 0992063221-0 201115069 [0008] [0009] [0010] [0012] [0014] [Embodiment] Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. For further details. Referring to FIG. 1 and FIG. 2, a light-emitting diode lamp 10 according to a first embodiment of the present invention includes: a light-emitting diode light source η, a heat sink 12, and a joint 13. The light-emitting diode light source 11 includes a circuit board 11A and one or more (in the present embodiment, a plurality of) light-emitting diodes 112 disposed on the circuit board 110. In the present embodiment, the electric board 11 is a flat circuit board including a first surface 11〇2 for thermal connection with the heat sink 12 and a second surface 1104 opposite to the first surface 1102. The light emitting diode 112 is disposed on the second surface 1104 of the circuit board 110. The circuit board 110 is not limited to a flat shape, and the circuit board 11 () may be in the shape of a column, which includes at least two sides: a first surface 1102 for thermal connection of the heat insulator 12, and a light-emitting two The second surface of the pole body is 11〇4. Referring to FIG. 3, the circuit board 11 is prismatic, and the second surface 11〇4 includes a plurality of planes that are not coplanar, so that the light-emitting diodes 112 on the respective planes can be respectively illuminated in different directions and have a larger The range of lighting. It can be understood that the circuit board 110 can also be a column shape as shown in FIG. 4, and the second surface 1104 has a smooth curved surface. The light-emitting diodes 112 disposed thereon are respectively illuminated in different directions to have greater illumination. range. The heat sink 12 is disposed on the second surface 1104 of the circuit board 11 . The heat sink 12 is thermally coupled to the circuit board no by the second surface 11〇4 for dissipating heat generated by the light emitting diode 112 and conducted to the circuit board no. The 098136884 Form No. Α0101 Page 5 of 24 0982063221-0 201115069 The heat sink 12 is made of a material with high thermal conductivity, such as a metal such as aluminum, gold, silver or copper or an alloy thereof. [0015] In this embodiment, the heat sink 12 is a half cylinder including a flat side (not shown) for thermal connection with the first surface 1102 of the circuit board 11, and adjacent to the flat side, and A cylindrical side 120 that projects away from the flat side. The flat side surface is a heat receiving surface for receiving heat transferred from the light emitting diode 112 to the circuit board 110. The cylindrical side surface 120 is a heat dissipating surface' and the cylindrical side surface 12 is provided with a thread 122 extending around its axis, so that the heat dissipating body 12 has a larger heat dissipating surface, which is more conducive to heat dissipation. [0016] The heat sink 12 is not limited to a semi-cylindrical body. Referring to FIG. 5, in order to reduce the weight of the heat sink 12, the heat sink 12 may also be arched, which is thermally connected to the circuit board 11 and includes a circuit along the distance. A cylindrical side 120 that is convex in the direction of the plate 110. The cylindrical side surface 120 is a heat dissipating surface, and the cylindrical side surface 120 is provided with a thread 122 extending around the axial direction thereof. · - ;::::, '! [00Π] The connector 13 is disposed at one end of the semi-cylindrical body and is electrically connected to the circuit board 110 to obtain electric energy from the outside and is driven by the electric energy to be disposed on the circuit board. The light emitting diode 112 on 110 emits light. The connector 13 can be a conventional screw connector or a bayonet connector. In this embodiment, the joint 13 is a threaded joint, and the thread pattern and pitch of the joint 13 are the same as the thread and pitch of the thread 12 2 on the heat sink 12. Referring to FIG. 6 and FIG. 7, a second embodiment of the present invention provides another illuminating diode lamp 20, comprising: a light emitting diode light source 21, a heat sink 22, and a joint 23. The light-emitting diode lamp 2 〇 and the light-emitting diode lamp 098136884 Form No. A0101 Page 6 / Total 24 page 0982063221-0 201115069 [ [0020] ❹ [0021] [0022] The structure of 10 is substantially similar, which also includes A circuit board 210 and one or more (in the present embodiment, a plurality of) light emitting diodes 212 are disposed on the circuit board 210. The difference is that the heat sink 22 of the LED device 20 is a cylinder, and the LED source 21 and the connector 23 are respectively disposed on opposite bottom surfaces of the cylindrical heat sink 22, the cylindrical shape. The side surface 220 of the heat sink 22 is a heat dissipating surface, and the side surface 220 is provided with a thread 222. In addition, the LED light source 21 further includes a lamp cover 214 disposed on the circuit board 210 for covering and protecting the LEDs 212. Referring to Figure 8, to reduce the weight of the heat sink 22, the heat sink 22 can also be a hollow cylindrical body. Referring to Figure 9, a third embodiment of the present invention provides a further LED illuminator 30. The heat dissipating body 32 of the LED lamp 30 is a circular table, and the LED body 31 and the connector 33 are respectively disposed on the bottom surfaces of the two truncated cones (the upper bottom surface and the lower bottom surface of the trough). The truncated side surface 320 of the heat sink 32 is a heat dissipating surface, and the truncated side surface 320 is provided with a thread 322. Referring to FIG. 10, the present invention also provides a lamp holder 40 that can be used with the LED body lamp 10. The socket 40 includes a body 41 and a semi-annular cylinder 42 extending outwardly from the body 41. The body 41 is provided with a threaded hole 410 whose thread pattern and pitch match the thread pattern and pitch on the joint 13. The inner wall of the semi-annular cylinder 42 is formed with a thread 420 that cooperates with the thread pattern and pitch of the thread 122. When the light-emitting diode lamp 10 and the lamp holder 098136884 Form No. 1010101 Page 7 / Total 24 page 0982063221-0 201115069 4〇 With the use of 8 wins 'Connector 13 can be screwed into the threaded hole 41〇 to achieve close saliva 4G 4G The light-emitting secondary data unit 10 is held by the threaded hole 41 GS], and the lightning power is supplied to the joint 13. The thread 122 of the heat radiating body 12 and the thread of the semi-annular cylinder 4 2 are 5 njt The mutual contact is made to achieve close contact, so that the heat sink 12 can quickly transfer heat to the socket 40. [0025] Referring to FIG. 11, the present invention also provides a lamp holder 50 that can be used in conjunction with a light-emitting diode lamp 20. The lamp holder 50 includes a cylindrical body 5. The thread pattern and the pitch of the stepped hole threaded hole 510 formed in the body 51 are matched with the thread pattern and the pitch on the joint 23. The thread pattern and pitch of the threaded bore 512 cooperate with the thread pattern and pitch of the thread 222. When the LED lamp 2 is used in conjunction with the lamp holder 5, the connector 23 can be screwed into the screw hole 51〇 to achieve close meshing. The lamp holder 50 is supplied with power to the connector 23 through the screw hole 51; the heat sink 22 The threads 222 and the threads 512 are in mesh with each other to achieve intimate contact, so that the heat sink 22 can conduct heat quickly to the holder 5 . The heat dissipation surfaces 120, 220, and 320 of the heat dissipation surfaces 120, 220, and 320 of the light-emitting diode lamps 10, 2, and 2 are provided with ridges 122, 222, and 322, which can increase the heat dissipation body 12 22, 32 heat dissipation surface area, so as to achieve a good heat dissipation effect. The lamps 40, 50 have threads 420, 512 that cooperate with the heat sinks 12, 22, so as to achieve a close fit with the threads 122, 222 of the heat sinks 12, 22, which facilitates the heat transfer of the heat sinks 2, 22 to Lamp holders 40, 50. In addition, those skilled in the art can make other changes within the spirit of the present invention. Of course, these changes according to the spirit of the present invention should include 098136884 Form No. A0101 Page 8 / Total 24 Page 0982063221-0 [0026] 201115069 Within the scope of the claimed invention. [0027] In summary, the present invention has indeed met the requirements of the invention patent, and the patent application is filed according to law. However, the above description is only a preferred embodiment of the present invention, and it is not possible to limit the scope of the patent application of the present invention. Equivalent modifications or variations made by persons skilled in the art in light of the spirit of the invention are intended to be included within the scope of the following claims. BRIEF DESCRIPTION OF THE DRAWINGS [0028] FIG. 1 is a schematic view showing the structure of a light-emitting diode lamp according to a first embodiment of the present invention. 2 is a cross-sectional view of the light-emitting diode lamp of FIG. 1 taken along II-II. 3 is a schematic structural view of a light-emitting diode lamp according to a modified embodiment of the first embodiment of the present invention. 4 is a schematic structural view of a light-emitting diode lamp according to another modified embodiment of the first embodiment of the present invention. 5 is a schematic structural view of a light-emitting diode luminaire according to still another modified embodiment of the first embodiment of the present invention. 6 is a schematic structural view of a light-emitting diode lamp according to a second embodiment of the present invention. 7 is a cross-sectional view of the light-emitting diode lamp of FIG. 6 taken along VII-VII. [0034] FIG. 8 is a schematic structural view of a light-emitting diode lamp according to a modified embodiment of the second embodiment of the present invention. 9 is a schematic view showing the structure of a light-emitting diode lamp according to a third embodiment of the present invention. 098136884 Form No. A0101 Page 9 of 24 0982063221-0 201115069 [0037] FIG. 10 is a schematic structural view of a lamp holder provided by the present invention. 11 is a schematic structural view of another lamp holder provided by the present invention. [Explanation of main component symbols] [0039] Illuminated diode lamp: 10, 20 '30 [0040] LED light source: 11, 21, 31 [0041] Circuit board: 110, 210 [0042] First surface: 1102 [0043] Second surface: 1104 [0044] Light-emitting diode: 112, 212 [0045] Heat sink: 12, 22, 32 [0046] Cylindrical side: 120 [0047] Thread: 122, 222, 322 [0048] ] Connector: 13, 23, 33 [0049] Side: 220 [0050] Lampshade: 214 [0051] Round table side: 3 2 0 [0052] Lamp holder: 40, 50 [0053] Body: 41, 51 [0054] Semi-annular cylinder: 42 [0055] Threaded hole: 410, 510, 512 Form number A0101 Page 10 / Total 24 page 098136884 0982063221-0 201115069 [0056] Thread: 42 0
〇 098136884 表單編號A0101 第11頁/共24頁 0982063221-0〇 098136884 Form No. A0101 Page 11 of 24 0982063221-0