1332910 九、發明說明： 【發明所屬之技術領域】 本發明疋有關於一種車頭产，牲a丨s此 早頌燈特別是指一種具有遠近 燈切換功能的半導體固態發光車頭燈。 【先前技術】 車輛躲上路時，為了因應不同路況與視線需求，車 輛頭燈可以作遠、近燈的切換，以投射式(Fdy Empsoid System)車頭燈為例，通常包含：―界定出—内部空間的反 射鏡、一設置在該反射鏡内部的光源、一設置在該反射鏡 下方的電磁閥、一設置在該光源前方並受該電磁闕驅動而 樞轉的遮光板，以及一設置在光源前方的凸透鏡。所述遮 光板可受該電磁閥帶動而相對光源前後樞擺，當遮光板位 於不同的柩擺位置並使光源發出的光線受到不同的遮擋作 用後’可以作為近光燈與遠光燈之切換。而目前應用最廣 之光源為尚強度氣體放電燈（HID, High Intensity Discharge) ο 另一方面，高亮度發光二極體之發展已漸趨成熟，由 於發光二極體具有高亮度、耗電量低、體積小等優點，目 前發光二極體已普遍使用於資訊、通訊及消費性電子產品 上，而且亦廣泛應用於第三煞車燈、方向燈、尾燈…等車 燈上。因此，如果能以發光二極體來取代HID頭燈，對於 車頭燈之亮度、耗電量、體積等性質都能大幅改善。 【發明内容】 因此，本發明之目的，即在提供一種高亮度、省電、 5 1332910 體積小’並具有遠近燈切換功能的半導體固態發光車頭燈 〇 於是’本發明具有遠近燈切換功能的半導體固態發光 車頭燈，包含：一燈座、一發光單元，以及一遮光板。 該燈座包括一反射鏡’以及一位於該反射鏡前方的透 鏡。該發光單元包括一設置在燈座上的半導體固態發光光 源’該半導體固態發光光源發出的光線受該反射鏡反射並 經由該透鏡往前射出。該遮光板位於該半導體固態發光光 源與該透鏡之間’該遮光板可相對該發光單元前後移動而 在一個遠離該半導體固態發光光源的近燈位置，以及一個 鄰近該半導體固態發光光源的遠燈位置間移動。 【實施方式】 有關本發明之前述及其他技術内容、特點與功效，在 以下配合參考圖式之五個較佳實施例的詳細說明中，將可 清楚的呈現。在本發明被詳細描述之前，要注意的是，在 以下的說明内容中’類似的元件是以相同的編號來表示。 參閱圖1、2’本發明具有遠近燈切換功能的半導體固 態發光車頭燈之第一較佳實施例，是可於不同狀態下投射 出近光燈（圖1)與遠光燈（圖2)，並包含··一燈座i、一與 該燈座1組裝的發光單元2、一遮光單元3，以及一連結並 驅動該遮光單元3前後移動且圖未示出的驅動裝置，該驅 動裝置之具體例為一電磁閥。 該燈座1包括：一個約呈四分之一橢球殼狀且下緣通 過一光轴L的反射鏡U、—結合在該反射鏡n前側且圖未 6 1332910 示出的透鏡框，以及一安裝在該透鏡框前側的透鏡12。所 述反射鏡11之反射面可用多個橢圓方程式來表示，亦即該 反射鏡11為一個多橢圓反射鏡U。該透鏡12是與該透鏡 框組裝而位於反射鏡11前方。 該發光單元2包括一個半導體固態發光光源21，及一 電連接該半導體固態發光光源21的電路板22。該半導體固 態發光光源21藉由電路板22來與該反射鏡u組裝結合， 亚且位於該光軸L上。本實施例之半導體固態發光光源21 為發光二極體》 該遮光單元3是可相對該燈座丨前後移動地組裝，所 述遮光單元3包括一個直立位於半導體固態發光光源21與 透鏡12間的遮光板31，以及—自遮絲31底部向後水平 延伸於反射鏡11下方的作動板32。 參閱圖1、附件丨，本發明之遮光單元3可受驅動而前 後和動，ό玄遮光單元3進而在一近燈位置與一遠燈位置間 轉換。當遮光單元3位於圖1的近燈位置時，該遮光板31 遠離該半導體固_發光光源21，該半導體固態發光光源Η 發出的光線會文該反射鏡u反射，之後有部分光線經由該 遮光單元3的遮蔽或折射，而部分光線直接朝透鏡12射入 最後光線通過透鏡12的折射並投射於該光轴[下方處而 形成近光燈，其光域分布如附件1所示。 參閲圖2、附件2，當遮光單元3被驅動而水平向後移 動至圖2的遠燈位置時，該遮光板31鄰近該半導體固態發 光光源21 ’此時受到遮光單元3所遮蔽之光線較少，光線 7 1332910 經由透鏡12折射後可投射到較高的位置並形成遠光燈，其 光域分布如附件2所示》 由於本實施例之半導體固態發光光源21為發光二極體 ，所述發光二極體與以往HID燈相較之下，具有下列優點 :發光二極體為冷發光、耗電量低、反應速度快，再加上 其體積小，容易配合應用上的需求製成極小或陣列式的元 件，而且發光二極體為固態裝置而耐震動，因此應用於遠 近燈切換之車頭燈上，可以達到體積小、亮度高等優點。 -般近光燈與遠光燈分別設計之車，㈣要三組近光 燈模組與四組遠光燈模組，但本發明由發光二極體光源配 合遮光單元3之移動來作遠、近光燈之切換，整體只需要 四個模組即可達到遠、近光燈之光強度需求，因此本發明 可以減少模組數量並降低成本。 參閱圖3、附件3’本發明半導體固態發光車頭燈之第 二較佳實施例’與該第一較佳實施例大致相同，不同之處 在於’ β亥遮光早;τ： 3為上下移動’當遮光單元3位於近燈 位置時’其設置狀態與該第—較佳實施例相同（如圖3假想 線所示）。當遮光單元3下降至遠燈位置時，其遮光板Μ 緣位於光軸L下方，而且光域分布如附件3所示。本實施 例藉由半導體固態Μ光源21與該可上下移動之遮光單元 3的配合’同樣可以達到遠、近光燈切換之目的，而且里優 點與功效與該第-較佳實施例相同，故不再說明。八 參閱圖4’本發明半導體固態發光車頭燈之第 施例’與該第二較佳實施例大致相同，不同之處在於··該 8 遮光板31是以該作動板32之一個位於後端的支點端32^ 作樞擺中心而樞擺。當遮光單元3位於圖中假想線所示的 近燈位置時’該作動板32為水平，遮光板31頂緣對齊該 光軸L，當遮光單元3向下樞擺至遠燈位置時，該作動板 32為前低後高地傾斜設置，而遮光板31之頂緣位於光軸l 下方。 參閱圖5，本發明半導體固態發光車頭燈之第四較佳實 施例之遮光單元3，僅包括一直立設置於半導體固態發光光 源21與透鏡12間的遮光板31，該遮光板31包括一個位於 右侧的支點端311，以及一個位於左側的樞擺端312，該樞 擺端312以該支點端311為樞轉中心而前後樞擺。當遮光板 31位於圖5假想線所示的近燈位置時，遮光板31與該透鏡 12之一入射面121為平行設置，且樞擺端312遠離該反射 鏡11，當遮光單元3向後轉動一角度值而位於遠燈位置時 ’遮光單元3之樞擺端312靠近該反射鏡η。 參閱圖6、7,本發明半導體固態發光車頭燈之第五較 佳實施例之遮光單元3，包括一固定裝置33，以及一設置 在該固定裝置33後側的遮光板31。該固定裝置33包括二 個左右間隔的固定板331，該等固定板331共同界定出一個 位於中央的出光口 330。當該遮光板31位於圖6之近燈位 置4 ’遮光板31對應並遮蔽該出光口 33〇，當遮光板31向 右平移至圖7的遠燈位置時，該出光口 33〇不再受到遮蔽 。需要說明的是，本實施例之固定裝置33設置二塊間隔之 固疋板331疋為了界定該出光口 330，但實施時固定板331 1332910 不需限定為二塊，例如可以僅由一片左右延伸之長板塊中 間鏤空挖洞。而該遮光板31之左右移動是為了遮蔽出光口 330或不遮蔽出光口 330，因此實施時亦可以向左平移，或 者將遮光板31 於固定裝置33前方亦可。 綜上所述’本發明藉由半導體固態發光光源21配合可 移動之遮光板31，進而達到遠、近燈切換作用，同時兼具 高亮度、省電、減少模組數目、體積小、耐震動等優點。 惟以上所述者，僅為本發明之較佳實施例而已，當不 能以此限定本發明實施之範圍，即大凡依本發明申請專利 範圍及發明說明内容所作之簡單的等效變化與修飾，皆仍 屬本發明專利涵蓋之範圍内。 【圖式簡單說明】 圖1是本發明具有遠近燈切換功能的半導體固態發光 車頭燈之一第一較佳實施例的側視示意圖，圖中該車頭燈 之一遮光早元位於一近燈位置； 圖2疋一類似圖1的示意圖，同時顯示該遮光單元位 於一遠燈位置； 圖3是本發明具有遠近燈切換功能的半導體固態發光 車頭燈之一第二較佳實施例的示意圖，圖中該車頭燈之一 遮光單元位於一遠燈位置，而假想線顯示該遮光單元位於 一近燈位置； 圖4是本發明具有遠近燈切換功能的半導體固態發光 車頭燈之第二較佳實施例的示意圖，圖中該車頭燈之一 遮光單兀位於-遠燈位置，而假想線顯示該遮光單元位於 10 ~~近燈位置； 圖5疋本發明具有遠近燈切換功能的半導體固態發光 車頭燈之-第讀佳實施例的俯視示意圖； 圖6疋本發明具有遠近燈切換功能的半導體固態發光 車頭燈之第五較佳實施例的立體示意圖，圖中該車頭燈 之一遮光板位於—近燈位置；及 圖7疋一類似圖6的示意圖，同時顯示該遮光板位於 一遠燈位置。 【附件說明】 >附件1為該第—較佳實施例於近光燈狀態，並在光源 刖 A尺處的光域分布圖’圖_橫軸代表光源前方左右 兩側的Jc平角《，左方縱轴標示上下的角度、右方刻度標 示每-條線條所代表的照度(單位為Lux); 附件2為該第_龄处—^ 較it貫施例於遠光燈狀態的光域分布 圖； 附件 3為兮筮-私 。/ 一較佳實施例於遠光燈狀態的光域分布 圖0 11 1332910 【主要元件符號說明】 1…… …·燈座 311 ·· …·支點端 11 ···· ····反射鏡 312… •…樞擺端 12··· …·透鏡 32… •…作動板 121 ··· —入射面 321 · •…支點端 2…… …·發光單元 33… •…固定裝置 21 …· •…半導體固態發光光源 330… •…出光口 22·..·· •…電路板 331… •…固定板 3…… …·遮光單元 L....... —光轴 31 …·· —遮光板 121332910 IX. Description of the invention: [Technical field to which the invention pertains] The present invention relates to a front-end lamp, and in particular to a semiconductor solid-state lighting headlight having a near-to-light switching function. [Prior Art] When the vehicle is on the road, in order to respond to different road conditions and line-of-sight requirements, the vehicle headlights can be switched between far and near lights. For example, the Fdy Empsoid System headlights usually include: “Definition—Internal a mirror of the space, a light source disposed inside the mirror, a solenoid valve disposed under the mirror, a visor disposed in front of the light source and pivoted by the electromagnetic cymbal, and a light source disposed at the light source Convex lens in front. The visor can be pivoted forward and backward with respect to the light source by the electromagnetic valve. When the visor is located at different sway positions and the light emitted by the light source is blocked by different light, the switch can be used as a low beam and a high beam. . At present, the most widely used light source is HID (High Intensity Discharge). On the other hand, the development of high-brightness light-emitting diodes has gradually matured, because the light-emitting diodes have high brightness and power consumption. Low-profile, small-volume, etc. At present, LEDs have been widely used in information, communication and consumer electronics, and are also widely used in third lamps, direction lights, taillights, etc. Therefore, if the HID headlight can be replaced by a light-emitting diode, the brightness, power consumption, volume and the like of the headlight can be greatly improved. SUMMARY OF THE INVENTION Therefore, the object of the present invention is to provide a semiconductor solid-state light-emitting headlight with high brightness, power saving, small size of 5,133,910, and having a near-to-light switching function, thus the semiconductor having the near-to-light switching function of the present invention. The solid-state lighting headlight comprises: a lamp holder, a lighting unit, and a visor. The socket includes a mirror 'and a lens in front of the mirror. The light emitting unit includes a semiconductor solid-state light source disposed on the socket. The light emitted by the semiconductor solid-state light source is reflected by the mirror and is emitted forward through the lens. The visor is located between the semiconductor solid-state illuminating light source and the lens. The visor can move back and forth relative to the illuminating unit to a near-light position away from the semiconductor solid-state illuminating light source, and a remote light adjacent to the semiconductor solid-state illuminating light source. Move between locations. The above and other technical contents, features and effects of the present invention will be apparent from the following detailed description of the preferred embodiments of the invention. Before the present invention is described in detail, it is noted that in the following description, the like elements are denoted by the same reference numerals. Referring to Figures 1 and 2, a first preferred embodiment of a semiconductor solid-state lighting headlight having a near-to-light switching function is capable of projecting a low beam (Fig. 1) and a high beam (Fig. 2) in different states. And including a lamp holder i, a light-emitting unit 2 assembled with the lamp holder 1, a light-shielding unit 3, and a driving device that connects and drives the light-shielding unit 3 to move back and forth and not shown, the driving device A specific example is a solenoid valve. The lamp holder 1 comprises: a mirror U having a quarter-ellipsoid shell shape and a lower edge passing through an optical axis L, a lens frame coupled to the front side of the mirror n and not shown in FIG. 6 1332910, and A lens 12 mounted on the front side of the lens frame. The reflecting surface of the mirror 11 can be represented by a plurality of elliptical equations, that is, the mirror 11 is a multi-elliptical mirror U. The lens 12 is assembled with the lens frame and located in front of the mirror 11. The light emitting unit 2 includes a semiconductor solid state light emitting source 21, and a circuit board 22 electrically connected to the semiconductor solid state light emitting source 21. The semiconductor solid state light source 21 is assembled and coupled to the mirror u by a circuit board 22, and is located on the optical axis L. The semiconductor solid-state light-emitting source 21 of the present embodiment is a light-emitting diode. The light-shielding unit 3 is assembled to be movable back and forth with respect to the lamp holder. The light-shielding unit 3 includes an upright position between the semiconductor solid-state light-emitting source 21 and the lens 12. The visor 31, and the actuating plate 32 extending horizontally rearward from the bottom of the occlusion 31 to the lower side of the mirror 11. Referring to Fig. 1, the accessory unit 3, the shading unit 3 of the present invention can be driven to move forward and backward, and the shading unit 3 is further switched between a near lamp position and a far lamp position. When the light shielding unit 3 is located at the near lamp position of FIG. 1, the light shielding plate 31 is away from the semiconductor solid-light source 21, and the light emitted by the semiconductor solid-state light source Η is reflected by the mirror u, and then some light passes through the light shielding. The unit 3 is shielded or refracted, and a portion of the light is incident directly toward the lens 12 through the refraction of the last light through the lens 12 and projected onto the optical axis [below to form a low beam, the optical domain distribution of which is shown in Annex 1. Referring to FIG. 2 and FIG. 2, when the light shielding unit 3 is driven to move horizontally backward to the position of the high light of FIG. 2, the light shielding plate 31 is adjacent to the semiconductor solid-state light source 21'. Less, the light 7 1332910 can be projected to a higher position after being refracted by the lens 12 and form a high beam, and its optical domain distribution is as shown in the attachment 2". Since the semiconductor solid-state light source 21 of the present embodiment is a light-emitting diode, Compared with the conventional HID lamps, the LEDs have the following advantages: the LEDs are cold-emitting, low in power consumption, fast in response, and small in volume, which is easy to be combined with application requirements. Very small or array type components, and the light-emitting diode is a solid-state device and is resistant to vibration. Therefore, it can be applied to a headlight of a near-far light switch to achieve a small volume and a high brightness. -The vehicle is designed as a low beam and a high beam. (4) Three sets of low beam modules and four sets of high beam modules are required. However, the present invention is made up of the light source of the light source and the light shielding unit 3 For the switching of the low beam, only four modules are needed to achieve the light intensity requirements of the far and low beam, so the invention can reduce the number of modules and reduce the cost. Referring to FIG. 3 and FIG. 3, a second preferred embodiment of the semiconductor solid-state lighting headlight of the present invention is substantially the same as the first preferred embodiment, except that '[beta] shading is early; τ: 3 is moving up and down' When the shading unit 3 is in the near lamp position, its setting state is the same as that of the first preferred embodiment (as shown by the phantom line in FIG. 3). When the light shielding unit 3 is lowered to the position of the high light, the edge of the light shielding plate is located below the optical axis L, and the light distribution is as shown in Attachment 3. In this embodiment, the switching between the semiconductor solid-state xenon source 21 and the vertically movable shading unit 3 can achieve the same purpose of far and low beam switching, and the advantages and effects are the same as those of the first preferred embodiment. No longer stated. 8 is the same as the second preferred embodiment of the semiconductor solid-state lighting headlight of the present invention, except that the 8 visor 31 is located at the rear end of the actuating plate 32. The pivot end 32 is pivoted at the center of the pivot. When the light shielding unit 3 is located at the near lamp position shown by the phantom line in the figure, the actuation plate 32 is horizontal, the top edge of the light shielding plate 31 is aligned with the optical axis L, and when the light shielding unit 3 is pivoted downward to the remote light position, the The actuating plate 32 is disposed obliquely to the front low and rear high, and the top edge of the visor 31 is located below the optical axis 1. Referring to FIG. 5, the light-shielding unit 3 of the fourth preferred embodiment of the semiconductor solid-state light-emitting headlight of the present invention includes only the light-shielding plate 31 disposed between the semiconductor solid-state light-emitting source 21 and the lens 12, and the light-shielding plate 31 includes a The fulcrum end 311 on the right side and a pivoting end 312 on the left side pivotally swing forward and backward with the fulcrum end 311 as a pivot center. When the visor 31 is located at the near lamp position shown by the phantom line of FIG. 5, the visor 31 is disposed in parallel with one of the incident faces 121 of the lens 12, and the pivoting end 312 is away from the mirror 11, and the shutter unit 3 is rotated backward. The pivoting end 312 of the shading unit 3 is adjacent to the mirror n when the angle is at an angle to the far-light position. Referring to Figures 6 and 7, a shading unit 3 of a fifth preferred embodiment of the semiconductor solid state lighting headlight of the present invention includes a fixing device 33, and a visor 31 disposed on the rear side of the fixing device 33. The fixture 33 includes two left and right spaced apart fixed plates 331 which collectively define a centrally located light exit port 330. When the visor 31 is located at the near lamp position 4' of the light-shielding plate 31 of FIG. 6 and shields the light-emitting port 33〇, when the visor 31 is translated to the right to the position of the high-light lamp of FIG. 7, the light-emitting port 33〇 is no longer subjected to Shaded. It should be noted that the fixing device 33 of the embodiment is provided with two spaced-apart fixing plates 331 疋 in order to define the light-emitting port 330. However, the fixing plate 331 1332910 is not limited to two pieces, and may be extended by only one piece. In the middle of the long plate, hollow holes are burrowed. The left and right movement of the visor 31 is for shielding the optical port 330 or not for shielding the optical port 330. Therefore, it may be translated to the left during the implementation, or the visor 31 may be in front of the fixing device 33. In summary, the present invention utilizes the semiconductor solid-state light source 21 to cooperate with the movable visor 31 to achieve the switching function of the far and near lamps, and at the same time has high brightness, power saving, reduced number of modules, small volume, and vibration resistance. Etc. The above is only the preferred embodiment of the present invention, and the scope of the invention is not limited thereto, that is, the simple equivalent changes and modifications made by the scope of the invention and the description of the invention are All remain within the scope of the invention patent. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a side elevational view of a first preferred embodiment of a semiconductor solid-state lighting headlight having a near-to-light switching function, in which one of the headlights is shielded from a near-light position. FIG. 2 is a schematic view similar to FIG. 1 , showing that the shading unit is located at a remote lamp position; FIG. 3 is a schematic view showing a second preferred embodiment of the semiconductor solid-state lighting head lamp having the near and far lamp switching function of the present invention. The light shielding unit of the headlight is located at a remote lamp position, and the imaginary line indicates that the light shielding unit is located at a near lamp position; FIG. 4 is a second preferred embodiment of the semiconductor solid state lighting headlight having the near and far light switching function of the present invention. Schematic diagram, in the figure, one of the headlights of the headlight is located at the position of the far-light lamp, and the imaginary line shows that the light-shielding unit is located at the position of the light source of the light source; FIG. 5 is a semiconductor solid-state light-emitting headlight with the near-light switch function of the present invention. A top view of a preferred embodiment of the first reading; FIG. 6 is a fifth preferred embodiment of the semiconductor solid state lighting headlight having the near and far lamp switching function of the present invention. Stereoscopic view, one of the headlights of the headlight is located at the position of the near lamp; and Fig. 7 is a schematic view similar to Fig. 6, showing that the visor is located at a remote position. [Description of Attachment] > Attachment 1 is the light field distribution diagram of the first preferred embodiment in the low beam state and at the 刖A scale of the light source. The horizontal axis represents the Jc angle of the left and right sides of the light source. The left vertical axis indicates the upper and lower angles, the right scale indicates the illuminance represented by each line (unit is Lux); Annex 2 is the first age age—^ is more consistent with the light field in the high beam state Distribution map; Annex 3 is 兮筮-private. / Optical field distribution of a preferred embodiment in the high beam state 0 11 1332910 [Explanation of main component symbols] 1...... .... Lamp holder 311 ····Pivot end 11 ···· ····Mirror 312... •... pivoting end 12····· lens 32... •...actuating plate 121···—incident surface 321 · •... fulcrum end 2... ...·lighting unit 33... •...fixing device 21 ...· ...semiconductor solid-state light source 330... •...light outlet 22·..··•...circuit board 331...•...fixing plate 3......·shading unit L....... —optical axis 31 ...·· Light shield 12