201242758 六、發明說明： 【發明所屬之技術領域】 [0001] 本發明是有關於一種鏡片設計系統及其方法，特別是有 關於一種設計自由曲面鏡片使光經過鏡片具有準直性之 一種鏡片設計系統及其方法。 [0002] 【先前技術·】 一般而言，鏡片封裝在發光二極體上之優點是讓光源聚 焦，且由於發光二極體晶片較小，以鏡片封裝在晶片上 〇 可藉由改變鏡片外形調整光源之集散程度，具有修改光 路或將光線聚焦等功能，使發光角度由大角度的散射至 小角度的聚焦都可以達成。因此，依不同需求生產不同 特性之鏡片則成為市場所需之要件。 [0003] 然而，鏡片設計的計算公式繁雜，不易藉由人為精確的 計算。因此，鏡片設計上常因人為疏失造成設計錯誤， 而鏡片製程中也常因機器的精度與條件參數的變易造成. 鏡片之誤差。 ^ [0004] 另外，在鏡片設計上最重要的就是配光曲線之資料數據 ，配光曲線是用以表示燈具在各方向的光度大小，根據 配光曲線圖可以得知照明燈具光度分佈的情形。同時， 可以透過配光曲線計算燈具的配置方式與數量、空間垂 直與水平的照度以及視覺舒適度等。藉由配光曲線的數 據亦可計算燈具照明率、亮度、距高比、燈具效率以及 眩光等級等。 [0005] 一般鏡片製造是利用公模母模以射出成型或埋入射出方 100113615 式製造，在生產出成品後再檢測其配光曲線，若發現品 表單編號A0101 第3頁/共22頁 1002022731-0 201242758 [0006] [0007] [0008] [0009] [0010] 質不穩要再次計算後再開模。如此反覆的確認生 產品質，所花費的人力成本以及模具生產成本相當大， 亦有品質不穩定之憂慮。 因此，以需求來說，設計一個鏡片設計的系統及方法來 解決人為計算的疏失及製造模具之成本浪費，以達成精 確計算及可針對不同需求設計鏡片之功效，已成市場應 用上之一個刻不容緩的議題。 【發明内容】 有鑑於上述習知技藝之問題，本發明之目的就是在提供 一種鏡片設計系統及其方法，以解決目前鏡片設計需生 產模具造成多種成本耗費及品質不穩定之問題。 根據本發明之目的，提出一種鏡片設計系統，其包含一 輸入模組以及一處理模組》輸入模組輸入複數個條件參 數。處理模組根據複數個條件參數計算複數個斜率以及 複數個座標，且處理模組根據臨界角度計算複數個反射 面斜率及複數個折射面斜率，並根據複數個反射面斜率 及複數個折射面斜率計算複數個三維座標點。 其中，鏡片設計系統更包含顯示模組，顯示模組顯示複 數個三維座標點。 其中，複數個條件參數更包含鏡片折射率、發光二極體 之光源座標點、自由曲面與發光二極體之起始距離以及 入射角。 其中，處理模組更根據入射角計算複數個反射面斜率， 以及根據人射角及複數個反射面斜率計算複數個反射點 100113615 表單編號A0101 第4頁/共22頁 1002022731-0 [0011] 201242758 [0012] [0013] Ο [0014] [0015] ❹ [0016] [0017] 座標。 其中’處理模組更根據臨界角度及人射角計算複數個折 射面斜率’以及根據臨界角度、人射角以及複數個折射 面斜率計算複數個折射點座標。 根據本發明之目的，再提出—種鏡片設計方法，其包含 下列步驟’提供輸人模組輪人複數個條件參數；藉由處 理模組根據複數個條件參數計算複數個斜率以及複數個 座標；使用處賴組根據臨界角度計算複數個反射面斜 率及複數㈣射面斜率；以及藉域理模組根據複數個 反射面斜率及複數個折射面斜率計算複數個三維座標點 〇 其中，此方法更包含透過顯示模組顯示複數個三維座標 點。 其中，此方法中的複數個條件參數更包含鏡片折射率、 發光二極體光源座標點、自由曲面與發光二極體之起始 距離以及入射角。 其中，此方法更包含當處理模組得到複數個條件參數後 ，透過處理模組根據入射角計算複數個反射面斜率。 其中，此方法更包含當處理模組得到複數個條件參數及 複數個反射面斜率後’藉由處理模組根據入射角及複數 個反射面斜率計算複數個反射點座標。 其中，此方法更包含藉由處理模組根據臨界角度及入射 角計算複數個折射面斜率，並藉由處理模組根據臨界角 100113615 表單编號Α0101 第5頁/共22頁 1002022731-0 [0018] 201242758 度、入射角以及複數個折射面斜率計算複數個折射點座 標。 [0019] [0020] [0021] [0022] 100113615 綜上所述，本發明之鏡片設計系統及其方法，提供輸入 模組根據不同需求輸入複數個條件參數，再利用處理模 組根據複數個條件參數以計算複數個斜率、複數個座標 以及反射與折射之鏡片臨界角度。並且，可透過處理模 組根據複數個反射面斜率及複數個折射面斜率計算複數 個二維座標點，並使用顯示模組顯示複數個三維座標點 η 為讓本發明之上述和其他目的、特徵和優點能更明顯易 懂，下文特舉較佳實施例’並配合所附圖式，作詳細說 明如下。 【實施方式】 以下將參照相關圖式’說明依本發明之鏡片設計系统及 其方法之實施例，為使便於理解，下述實施例中之相同 元件係以相同之符號標示來說明。 第1圖為本發明之鏡片設計系統第一實施例之方塊圖。嘖 參閱第1圖，其鏡片設計系統1包含一輸入模組11、— 理模組12以及一顯示模組13。此鏡片設計系統}是 外 計自由曲面鏡片以符合不同的配光特性需求。輸入楔組 11用以輸入複數個條件參數，其中複數個條件參數可為 鏡片折射率、發光二極體光源的座標點、自由曲面與發201242758 VI. Description of the Invention: [Technical Field of the Invention] [0001] The present invention relates to a lens design system and a method thereof, and more particularly to a lens design for designing a free-form lens to make light pass through a lens. System and its methods. [0002] In general, the advantage of the lens package on the light-emitting diode is that the light source is focused, and since the light-emitting diode chip is small, the lens is packaged on the wafer, and the lens shape can be changed. Adjusting the degree of dispersion of the light source, with the function of modifying the light path or focusing the light, so that the illumination angle can be achieved by scattering from a large angle to a small angle. Therefore, the production of lenses with different characteristics according to different needs has become a requirement for the market. [0003] However, the calculation formula of the lens design is complicated and it is not easy to calculate by humans. Therefore, the lens design often causes design errors due to human error, and the lens process is often caused by the accuracy of the machine and the change of the condition parameters. The lens error. ^ [0004] In addition, the most important thing in the design of the lens is the data of the light distribution curve. The light distribution curve is used to indicate the luminosity of the luminaire in all directions. According to the light distribution curve, the luminosity distribution of the luminaire can be known. . At the same time, the arrangement and quantity of the lamps, the vertical and horizontal illumination of the space, and the visual comfort can be calculated through the light distribution curve. The illumination rate, brightness, aspect ratio, lamp efficiency, and glare level can also be calculated from the data of the light distribution curve. [0005] Generally, the lens manufacturing is performed by using a male mold to form an injection molding or a buried incident 100113615, and then detecting the light distribution curve after the finished product is produced. If the product form number A0101 is found, page 3/22 pages 1002022731 -0 201242758 [0007] [0008] [0009] [0010] The quality is unstable and the mold is recalculated. Such repeated confirmation of the quality of the product, the labor cost and the cost of mold production are quite large, and there are also concerns about unstable quality. Therefore, in terms of demand, designing a lens design system and method to solve the problem of human calculation and the cost waste of manufacturing molds, to achieve accurate calculation and design of lenses for different needs, has become an urgent application in the market. The topic. SUMMARY OF THE INVENTION In view of the above-mentioned problems of the prior art, the object of the present invention is to provide a lens design system and method thereof, which solves the problems of various cost and quality instability caused by current lens design. In accordance with the purpose of the present invention, a lens design system is provided that includes an input module and a processing module. The input module inputs a plurality of condition parameters. The processing module calculates a plurality of slopes and a plurality of coordinates according to the plurality of condition parameters, and the processing module calculates a plurality of reflection surface slopes and a plurality of refractive surface slopes according to the critical angle, and according to the plurality of reflection surface slopes and the plurality of reflection surface slopes Calculate a plurality of three-dimensional coordinate points. The lens design system further includes a display module, and the display module displays a plurality of three-dimensional coordinate points. Wherein, the plurality of condition parameters further include a refractive index of the lens, a light source coordinate point of the light emitting diode, a starting distance of the free curved surface and the light emitting diode, and an incident angle. The processing module further calculates a plurality of reflection surface slopes according to the incident angle, and calculates a plurality of reflection points according to the human angle of incidence and the plurality of reflection surface slopes. 100113615 Form No. A0101 Page 4 / Total 22 pages 1002022731-0 [0011] 201242758 [0013] [0015] [0017] [0017] coordinates. The processing module calculates a plurality of refractive surface slopes based on the critical angle and the human angle, and calculates a plurality of refractive point coordinates based on the critical angle, the human angle, and the plurality of refractive plane slopes. According to the purpose of the present invention, a lens design method is further provided, which comprises the following steps: providing a plurality of condition parameters for the input module wheel; and calculating, by the processing module, a plurality of slopes and a plurality of coordinates according to the plurality of condition parameters; Using the relying group to calculate the slope of the plurality of reflecting surfaces according to the critical angle and the complex (4) slope of the plane; and calculating the plurality of three-dimensional coordinate points according to the slope of the plurality of reflecting surfaces and the slope of the plurality of refractive surfaces by the domain management module, wherein the method further The display includes displaying a plurality of three-dimensional coordinate points through the display module. The plurality of condition parameters in the method further include a refractive index of the lens, a coordinate point of the light-emitting diode source, a starting distance of the free-form surface and the light-emitting diode, and an incident angle. The method further includes: after the processing module obtains the plurality of condition parameters, calculating, by the processing module, the slopes of the plurality of reflection surfaces according to the incident angle. The method further includes: when the processing module obtains the plurality of condition parameters and the slopes of the plurality of reflection surfaces, the plurality of reflection point coordinates are calculated by the processing module according to the incident angle and the slopes of the plurality of reflection surfaces. The method further includes calculating, by the processing module, a plurality of refractive surface slopes according to the critical angle and the incident angle, and by processing the module according to the critical angle 100113615, the form number is 1010101, the fifth page, the total of 22 pages, 1002022731-0 [0018 ] 201242758 degrees, angle of incidence, and slope of a plurality of refractive surfaces to calculate a plurality of refraction point coordinates. [0022] [0022] 100113615 In summary, the lens design system and method of the present invention provide an input module to input a plurality of condition parameters according to different requirements, and then use the processing module according to a plurality of conditions. Parameters to calculate a plurality of slopes, a plurality of coordinates, and a critical angle of reflection and refraction of the lens. Moreover, the processing module can calculate a plurality of two-dimensional coordinate points according to the slopes of the plurality of reflective surfaces and the slopes of the plurality of refractive surfaces, and display the plurality of three-dimensional coordinate points η using the display module to make the above and other objects and features of the present invention The advantages and advantages will be more apparent and will be described in detail below with reference to the accompanying drawings. [Embodiment] Hereinafter, embodiments of the lens design system and the method thereof according to the present invention will be described with reference to the accompanying drawings. For the sake of understanding, the same elements in the following embodiments are denoted by the same reference numerals. BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a block diagram of a first embodiment of a lens design system of the present invention.参阅 Referring to FIG. 1 , the lens design system 1 includes an input module 11 , a control module 12 , and a display module 13 . This lens design system is a free-form curved lens to meet different light distribution characteristics. The input wedge group 11 is configured to input a plurality of condition parameters, wherein the plurality of condition parameters may be a refractive index of the lens, a coordinate point of the light emitting diode source, a free surface and a hair
光二極體之的起始距離以及入射角度等參數。其中’ W 數個條件參數更可根據各種不同的需求輸入所需的參數 。輸入模組11連結處理模組12，處理模組12依據铪 ^ 表單編號A01G1 % 6 I/* 22 1 入模 1002022731-0 201242758 組u所輸人的複數個條件參數計算出複數個斜率、複數 個座標、臨界角度、複數個反射面斜率、複數個折射面 斜率以及複數個三維座標點等内容。 剛承接上述’處理模組12減複數㈣件參數計算複數個 斜率以及複數個座標。因此，處理模組12更可根據入射 角計算複數個反射面斜率，以絲據人射肖及複數個反 射面斜率計算複數個反射點座標^當人射角越來越大時 ，反射點座標的垂直位置點會快速增力σ，在實際應用上 〇 不捋合生產要件之節省材料成本與精巧的原則 »所以， 根據複數個條件參數使用處理模組12計算出臨界角度。 [0024] 如此一來，根據臨界角度處理模組12可計算複數個反射 面斜率以及複數個折射面斜率，以及根據複數個反射面 斜率及複數個折射面斜率計算複數個三維座標點。其中 ，處理模組12更可根據臨界角度及入射角計算複數個折 射面斜率，以及根據臨界角度、入射角以及複數個折射 面斜率計算複數個折射點座標。 〇 [0025] 處理模組12計算出複數個三維座標點後，顯示模組13顯 不複數個三維座標點。因此，使用鏡片設計系統丨可設計 一種自由曲面鏡片使光經過鏡片後具有準直性，藉此可 設計出各種符合配光特性需求的自由曲面鏡片。 [0026] 第2圖為本發明之鏡片設計方法第一實施例之流程圖。請 參閱第2圖’首先如步驟S11及步驟S12所示，S11 :提供 輸入模組輸入複數個條件參數；以及sl2 :藉由處理模組 根據複數個條件參數計算複數個斜率以及複數個座標。 100113615 表單編號A0101 第7頁/共22頁 1002022731-0 201242758 在々驟S11中，複數個條件參數可為鏡片折射率 極體光源的純點、自由曲面與發光二極體之的起^巨: 離以及入射角度等參數。其中，透過處理模組根據輪入 模組輸人賴數個料參數計算減個 = 標、臨界角度、複數個反射面斜率、複數個折二 以及複數個二維座標點等内容。 [0027] [0028] [0029] [0030] [0031] 其中’步㈣2更包含下列步驟： 透：^處理故組根據入射角計算複數個反射面 ;以及 干 S122 :藉由處理模組根據人射角及複數個反射面斜率計 算複數個反射點座標。 值得注意的是，在步㈣21及步驟S122中，當人射角卢 越來越大時’反射點座標的垂直位置點會快速增加，此 現象在實隸壯並不符Μ產要狀節省材料成本盘 精巧的原則。換句話說， 參數計算出臨界角度，而 分界角度。 處理模組12可根據複數個條件 臨界角度是光反射與光折射的 接著如步驟S13和步驟Sl4所述，su :使用處理模組根 據臨界角度計算反射_複_反射面斜率及折射面的 複數個折射面斜率；以及Sl4 :藉由處理模組根據複數個 反射面斜料賴個__料算魏個三維座標點 [0032] 100113615 其中，步驟S13更包含下列步驟： 表單編號A0101 第8頁/共22頁 1002022731-0 201242758 [0033] [0034] [0035] [0036] ❹ [0037]The starting distance of the light diode and the angle of incidence. Among them, 'W several condition parameters can input the required parameters according to various requirements. The input module 11 is connected to the processing module 12, and the processing module 12 calculates a plurality of slopes and complex numbers according to a plurality of condition parameters of the input form 1002027331-0201242758 group u. Coordinates, critical angles, slopes of a plurality of reflecting surfaces, slopes of a plurality of refractive surfaces, and a plurality of three-dimensional coordinate points. The plurality of slopes and a plurality of coordinates are calculated by taking the above-mentioned 'processing module 12 minus complex number (four) pieces of parameters. Therefore, the processing module 12 can calculate the slopes of the plurality of reflecting surfaces according to the incident angle, and calculate the coordinates of the plurality of reflecting points according to the slope of the human and the plurality of reflecting surfaces. When the angle of the human being is larger and larger, the coordinates of the reflecting points are The vertical position point will quickly increase the force σ, which is not suitable for the material cost saving and delicate principle of the production requirements in the practical application. Therefore, the processing module 12 is used to calculate the critical angle according to the plurality of condition parameters. [0024] In this way, the critical angle processing module 12 can calculate a plurality of reflection surface slopes and a plurality of refractive surface slopes, and calculate a plurality of three-dimensional coordinate points according to the plurality of reflection surface slopes and the plurality of refractive surface slopes. The processing module 12 further calculates a plurality of refractive surface slopes according to the critical angle and the incident angle, and calculates a plurality of refractive point coordinates according to the critical angle, the incident angle, and the plurality of refractive surface slopes. [0025] After the processing module 12 calculates a plurality of three-dimensional coordinate points, the display module 13 displays a plurality of three-dimensional coordinate points. Therefore, using a lens design system, a free-form lens can be designed to provide light through the lens for collimation, thereby designing a variety of free-form lenses that meet the requirements of light distribution characteristics. 2 is a flow chart of a first embodiment of a lens design method of the present invention. Referring to FIG. 2, first, as shown in step S11 and step S12, S11: providing an input module to input a plurality of condition parameters; and sl2: calculating a plurality of slopes and a plurality of coordinates according to the plurality of condition parameters by the processing module. 100113615 Form No. A0101 Page 7 of 22 1002022731-0 201242758 In step S11, a plurality of conditional parameters can be the pure point of the lens refractive index body light source, the free-form surface and the light-emitting diode. Parameters such as distance and angle of incidence. The processing module calculates a minus mark, a critical angle, a plurality of reflective surface slopes, a plurality of folding points, and a plurality of two-dimensional coordinate points according to the input parameters of the wheel-in module. [0029] [0019] wherein [step (4) 2 further comprises the following steps: through: ^ processing group according to the incident angle to calculate a plurality of reflective surfaces; and dry S122: by processing module according to people The angle of incidence and the slope of a plurality of reflection planes are used to calculate a plurality of reflection point coordinates. It is worth noting that in step (4) 21 and step S122, when the angle of the human lens is getting larger and larger, the vertical position of the coordinates of the reflection point will increase rapidly, and this phenomenon is not in conformity with the production cost. The principle of compact discs. In other words, the parameter calculates the critical angle and the demarcation angle. The processing module 12 can be light reflection and light refraction according to a plurality of conditional conditions. Then, as described in step S13 and step S14, su: using the processing module to calculate the slope of the reflection_complex_reflection surface and the complex surface of the refractive surface according to the critical angle. The slope of the refracting surface; and Sl4: calculating the Wei three-dimensional coordinate point according to the plurality of reflecting surfaces by the processing module [0032] 100113615 wherein the step S13 further comprises the following steps: Form No. A0101 Page 8 / Total 22 pages 1002022731-0 201242758 [0033] [0036] [0036] [0037]
[0038] QQ [0038]
[0039] 100113615 5131 .藉由處理模組根據臨界角度及入射角計算複數個 折射面斜率；以及 5132 :藉由處理模組根據臨界角度 '入射角以及複數個 折射面斜率計算複數個折射點座標。 最後，如步驟S15所示，透過顯示模組顯示複數個三維座 標點。 依據第一實施例，本發明更提出第二實施例作更進一步 之舉例說明。 凊參閱第3圖，其係為本發明之鏡片設計方法第二實施例 之流裎圖。請一併參閱第丨圖之鏡片設計系統方塊圖，首 先如步驟S21所示，S21 :提供輸入模組輸入發光二極體 光源的座彳示點设為原點（〇，〇 )、自由曲面與發光二極體之 的距離為10mm、發光二極體光源為lmm2以及入射角為〇。 至臨界角度。 接著如步驟S22及步驟S24所示，S22 :透過處理模組根 據入射角為0。至臨界角度計算複數個反射面斜率；S23 : 藉由處理模組根據入射角為〇。至臨界角度及複數個反射 面斜率計算複數個反射點座標；以及S24 :利用處理模組 計算出臨界角度為42.0390625。。 再接著步驟S25，藉由處理模組根據臨界角度為 42. 0390625°以及入射角為臨界角度至90。計算複數個折 射面斜率；以及步驟S26，藉由處理模組根據臨界角度為 42. 0390625°、入射角為臨界角度至90。以及複數個折射 面斜率計算複數個折射點座標。 表單編號A0101 第9頁/共22頁 1002022731-0 201242758 [0040] 最後，更包含下列步驟： [0041] S27 :藉由處理模組根據複數個反射面斜率及複數個折射 面斜率計算複數個三維座標點；以及 [0042] S28 :透過顯示模組顯示複數個三維座標點。 [0043] 其中，步驟S28請一併搭配參閱第4圖，其係為本發明之 自由曲面鏡片之第二實施例示意圖。請參閱第4圖，此示 意圖是本發明之鏡片設計系統利用步驟S21至步驟S27得 到複數個三維座標點，再使用顯示模組顯示複數個三維 座標點所完成之自由曲面鏡片三維立體圖。而且，發光 二極體光源通過此自由曲面鏡片，光會準直射出具有準 直性。 [0044] 請一併參閱第5圖、第6圖及第7圖，其係為本發明之自由 曲面鏡片之第二實施例之光線示意圖。在第5圖中，自由 曲面鏡片以二維剖面圖表示，且可於鏡片底部中心處設 置發光二極體晶片，作為發光源。實線為入射光及光折 射後以平行光射出之光線，虛線為入射光及光反射後以 平行光射出之光。其中，i係為臨界角度，其臨界角度[0039] 100113615 5131. Calculating a plurality of refractive surface slopes according to a critical angle and an incident angle by the processing module; and 5132: calculating a plurality of refractive point coordinates by the processing module according to the critical angle 'incident angle and the plurality of refractive surface slopes . Finally, as shown in step S15, a plurality of three-dimensional coordinate points are displayed through the display module. According to the first embodiment, the present invention further provides a second embodiment for further exemplification. Referring to Figure 3, there is shown a flow diagram of a second embodiment of the lens designing method of the present invention. Please refer to the block diagram of the lens design system of the first drawing. First, as shown in step S21, S21: providing the input module input light emitting diode light source, the display point is set as the origin (〇, 〇), free surface The distance from the light-emitting diode is 10 mm, the light-emitting diode source is 1 mm 2 and the incident angle is 〇. To the critical angle. Next, as shown in step S22 and step S24, S22: the transmission processing module is 0 according to the incident angle. Calculating the slope of the plurality of reflecting surfaces to the critical angle; S23: 处理 according to the incident angle by the processing module. Calculate a plurality of reflection point coordinates to the critical angle and the slope of the plurality of reflection surfaces; and S24: calculate the critical angle to be 42.0390625 by using the processing module. . Then, in step S25, the processing module has a critical angle of 42. 0390625° and an incident angle of 90 degrees. Calculating a plurality of slopes of the refractive surface; and step S26, wherein the processing module has a critical angle of 42. 0390625° and an incident angle of 90 degrees. And a plurality of refraction surface slopes to calculate a plurality of refraction point coordinates. Form No. A0101 Page 9 of 22 1002022731-0 201242758 [0040] Finally, the following steps are further included: [0041] S27: Calculating a plurality of three-dimensional images according to the slope of the plurality of reflecting surfaces and the slope of the plurality of refractive surfaces by the processing module Coordinate points; and [0042] S28: Displaying a plurality of three-dimensional coordinate points through the display module. [0043] wherein, in step S28, please refer to FIG. 4 together, which is a schematic diagram of a second embodiment of the free-form lens of the present invention. Referring to Fig. 4, the schematic is to obtain a three-dimensional coordinate view of the free-form lens obtained by using the display module to display a plurality of three-dimensional coordinate points by using the display module to obtain a plurality of three-dimensional coordinate points by using the step S21 to the step S27. Moreover, the light-emitting diode source passes through the free-form lens, and the light is collimated to be collimated. [0044] Please refer to FIG. 5, FIG. 6 and FIG. 7 together, which is a schematic diagram of the light of the second embodiment of the free-form curved lens of the present invention. In Fig. 5, the free-form lens is represented by a two-dimensional sectional view, and a light-emitting diode wafer can be disposed at the center of the bottom of the lens as a light source. The solid line is the light that is incident on the incident light and the light is split by the parallel light, and the broken line is the incident light and the light that is reflected by the parallel light after the light is reflected. Where i is the critical angle and its critical angle
C 是光反射與光折射的分界角度。C is the boundary angle between light reflection and light refraction.
[0045] 第6圖為光線經由自由曲面鏡片反射後平行光射出之示意 圖。其中，發光二極體光源的座標點設為原點（〇, 〇)，i 係為入射角度，虛線N為自由曲面鏡片之法線以及虛線T p 為自由曲面鏡片之切線，實線為光的入射線、點狀虛線 為光的反射線，而粗實線為光反射部分的自由曲面鏡片 100113615 表單編號A0101 第10頁/共22頁 1002022731-0 201242758 [0046] 請參閱第7圖，其係為光線經由自由曲面鏡片折射後平行 光射出之示意圖。其中，發光二極體光源的座標點設為 原點（0, 0)，i係為入射角度，虚線N為自由曲面鏡片之法 線以及虛線Tp為自由曲面鏡片之切線’實線為光的入射 線、點狀虛線為光的折射線，而粗實線為光反射部分的 自由曲面鏡片。 [0047] 综上所述，因依本發明之鏡片設計系統及其方法’其可 具有一或多個下述優點： 〇 [0048] (1) 此發明克服先前技藝之人為計算疏失及製造模 具之成本浪費等問題。 [0049] (2) 此發明之鏡片設計系統可藉由輸入模組根據不 同需求輸入複數個條件參數’並可提早於生產前就調整 參數，以達成需求之配光特性。 [0050] (3) 此發明之鏡片設計系統及其方法可藉由處理模 組根據複數個條件參數以計算複數個斜率、複數個座標 以及反射與折射之鏡片臨界角度。 [〇〇51] (4) 此發明之鏡片設計系統及其方法可藉由處理模 組根據複數個反射面斜率及複數個折射面斜率計算複數 個三維座標點，再使用顯示模組顯示複數個三維座標點 [0052] 以上所述僅為舉例性，而非為限制性者。任何熟習此技 藝者，在不脫離本發明之精神和範圍内，當可作些許之 更動與潤飾，因此本發明之保護範圍當視後附之申請專 利範圍所界定者為準。 100113615 表單編號Α0101 第11頁/共22頁 1002022731-0 201242758 【圖式簡單說明】 [0053] 第1圖係為本發明之鏡片設計系統第一實施例之方塊圖 第2圖係為本發明之鏡片設計方法第一實施例之流程圖 第3圖係為本發明之鏡片設計方法第二實施例之流程圖 第4圖係為本發明之自由曲面鏡片之第二實施例示意圖 第5圖係為本發明之自由曲面鏡片之第二實施例二維剖 面示意圖； 第6圖係為本發明之光線經由自由曲面鏡片反射後平行 光射出之示意圖；以及 第7圖係為本發明之光線經由自由曲面鏡片折射後平行 光射出之示意圖。 【主要元件符號說明】 [0054] 1:鏡片設計系統； 11 :輸入模組； 12 :處理模組； 13 :顯示模組； i :入射角度； i :臨界角度；[0045] Fig. 6 is a schematic view showing the parallel light emission after the light is reflected by the free-form lens. Wherein, the coordinate point of the light-emitting diode source is set as the origin (〇, 〇), i is the incident angle, the dotted line N is the normal of the free-form lens, and the dotted line T p is the tangent of the free-form lens, the solid line is the light The free-form lens 100113615 is a ray, a dotted line is a reflection line of light, and the thick solid line is a light reflection part. Form No. A0101 Page 10 of 22 1002022731-0 201242758 [0046] Please refer to FIG. 7 It is a schematic diagram of the parallel light emitted by the light after being refracted by the free-form lens. Wherein, the coordinate point of the light-emitting diode source is set to the origin (0, 0), i is the incident angle, the dotted line N is the normal of the free-form lens, and the dotted line Tp is the tangent of the free-form lens 'solid line is the light The incident ray, the dotted line is the refracting line of the light, and the thick solid line is the free-form lens of the light reflecting portion. [0047] In summary, the lens design system and method thereof according to the present invention may have one or more of the following advantages: [0048] (1) This invention overcomes the prior art to calculate the loss and manufacture the mold. The cost of waste and other issues. [0049] (2) The lens design system of the present invention can input a plurality of condition parameters according to different requirements by the input module and can adjust parameters before the production to achieve the desired light distribution characteristics. [0050] (3) The lens design system of the present invention and method thereof can calculate a plurality of slopes, a plurality of coordinates, and a critical angle of reflection and refraction of the lens by a plurality of conditional parameters by the processing module. [〇〇51] (4) The lens design system and method of the present invention can calculate a plurality of three-dimensional coordinate points according to a slope of a plurality of reflection surfaces and a slope of a plurality of refractive surfaces by a processing module, and then display a plurality of display modules by using a display module Three-Dimensional Coordinate Points [0052] The foregoing is illustrative only and not limiting. It is to be understood that the scope of the present invention is defined by the scope of the appended claims. 100113615 Form No. 1010101 Page 11/22 Page 1002022731-0 201242758 [Simplified Schematic] FIG. 1 is a block diagram of a first embodiment of a lens design system of the present invention. FIG. 2 is a view of the present invention. 3 is a flow chart of a second embodiment of the lens design method of the present invention. FIG. 4 is a schematic view showing a second embodiment of the free-form lens of the present invention. 2 is a schematic cross-sectional view of a second embodiment of the free-form lens of the present invention; FIG. 6 is a schematic view of the light of the present invention reflected by the free-form lens and parallel light; and FIG. 7 is the light of the present invention through the free-form surface Schematic diagram of parallel light emission after lens refraction. [Main component symbol description] [0054] 1: lens design system; 11: input module; 12: processing module; 13: display module; i: incident angle; i: critical angle;
C N :自由曲面鏡片之法線； T :自由曲面鏡片之切線；以及C N : normal to the free-form lens; T : tangent to the free-form lens;
P S11 〜S15、S21 〜S28 :步驟。 100113615 表單編號A0101 第12頁/共22頁 1002022731-0P S11 ~ S15, S21 ~ S28: steps. 100113615 Form No. A0101 Page 12 of 22 1002022731-0