TW201705550A - Lens structure with high concentrated illumination - Google Patents

Lens structure with high concentrated illumination Download PDF

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Publication number
TW201705550A
TW201705550A TW104124316A TW104124316A TW201705550A TW 201705550 A TW201705550 A TW 201705550A TW 104124316 A TW104124316 A TW 104124316A TW 104124316 A TW104124316 A TW 104124316A TW 201705550 A TW201705550 A TW 201705550A
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light guiding
top surface
truncated conical
radial distance
edge
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TW104124316A
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Chinese (zh)
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TWI685990B (en
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潘宇翔
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潘宇翔
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Priority to TW104124316A priority Critical patent/TWI685990B/en
Priority to CN201620756436.8U priority patent/CN205846009U/en
Priority to CN201610567650.3A priority patent/CN106410021B/en
Publication of TW201705550A publication Critical patent/TW201705550A/en
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Publication of TWI685990B publication Critical patent/TWI685990B/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
    • H01L33/58—Optical field-shaping elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/02—Simple or compound lenses with non-spherical faces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B2003/0093—Simple or compound lenses characterised by the shape

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
  • Led Device Packages (AREA)
  • Planar Illumination Modules (AREA)

Abstract

A lens structure includes a combining portion and a light guiding portion. The light guiding portion is disposed on the combining portion. The light guiding portion includes a first truncated-cone light guiding structure and a second truncated-cone light guiding structure. The first truncated-cone light guiding structure has a first bottom surface combined with the combining portion and a first top surface. An area of the first top surface is smaller than an area of the first bottom surface. The second truncated-cone light guiding structure has a second bottom surface combined with the first top surface and a second top surface. An area of the second bottom surface is smaller than an area of the first top surface, and an area of the second top surface is smaller than an area of the second bottom surface.

Description

高聚光透鏡結構High concentration lens structure

本發明關於一種透鏡結構,尤指一種具有高聚光性及薄型化且適用於一發光二極體(Light Emitting Diode, LED)的透鏡結構。The present invention relates to a lens structure, and more particularly to a lens structure which has high concentrating property and is thinned and is suitable for a light emitting diode (LED).

近來，發光二極體已廣泛地應用於人們日常的照明系統中,例如居家照明、路燈照明或交通號誌照明等。習知的發光二極體模組包含有一發光二極體晶片及一透鏡,發光二極體晶片用以發出光線,而透鏡用以收斂發光二極體晶片所發出的光線。然而,為將發光二極體晶片所發出的光線收斂至特定角度內,需搭配具有長高形外形結構的透鏡,因而限制發光二極體模組的高度,不利發光二極體模組於薄型化的發展方向。Recently, light-emitting diodes have been widely used in people's daily lighting systems, such as home lighting, street lighting, or traffic sign lighting. A conventional LED module includes a light emitting diode chip and a lens. The light emitting diode chip emits light, and the lens converges light emitted by the LED chip. However, in order to converge the light emitted by the LED chip to a certain angle, a lens having a long and high-profile structure is required, thereby limiting the height of the LED module, and the LED module is thin. The direction of development.

因此,本發明提供一種具有高聚光性及薄型化的透鏡結構,以解決上述問題。Accordingly, the present invention provides a lens structure having high condensing property and thinning to solve the above problems.

為了達成上述目的,本發明揭露一種高聚光透鏡結構,其設置於一發光模組及一基板上,該透鏡結構包含有一結合部以及一導光部,該結合部結合於該基板且覆蓋該發光模組,該導光部設置於該結合部上。該導光部包含有一第一截頂圓錐導光結構以及一第二截頂圓錐導光結構,該第一截頂圓錐導光結構具有一第一底面及一第一頂面,該第一底面結合於該結合部,該第一頂面的面積小於該第一底面的面積。該第二截頂圓錐導光結構與該第一截頂圓錐導光結構同軸設置,該第二截頂圓錐導光結構具有一第二底面及一第二頂面,該第二底面結合於該第一頂面,該第二底面的面積小於該第一頂面的面積,且該第二頂面的面積小於該第二底面的面積。In order to achieve the above object, the present invention discloses a high concentrating lens structure, which is disposed on a light emitting module and a substrate. The lens structure includes a bonding portion and a light guiding portion. The bonding portion is coupled to the substrate and covers the light emitting module. The light guiding portion is disposed on the joint portion. The light guiding portion includes a first truncated conical light guiding structure and a second truncated conical light guiding structure, the first truncated conical light guiding structure has a first bottom surface and a first top surface, the first bottom surface The area of the first top surface is smaller than the area of the first bottom surface. The second truncated conical light guiding structure is disposed coaxially with the first truncated conical light guiding structure, the second truncated conical light guiding structure has a second bottom surface and a second top surface, the second bottom surface is coupled to the The first top surface has an area smaller than an area of the first top surface, and an area of the second top surface is smaller than an area of the second bottom surface.

根據本發明其中之一實施例,本發明另揭露該第一底面的邊緣由該第二底面的邊緣沿該第二底面的徑向方向延伸出一第一底面徑向距離,該第一頂面的邊緣由該第二底面的邊緣沿該第二底面的徑向方向延伸出一第一頂面徑向距離,且該第一底面徑向距離大於該第一頂面徑向距離。According to another embodiment of the present invention, the edge of the first bottom surface extends from the edge of the second bottom surface along a radial direction of the second bottom surface by a first bottom surface radial distance, the first top surface The edge of the second bottom surface extends a radial distance of the first top surface along a radial direction of the second bottom surface, and the first bottom surface has a radial distance greater than the first top surface radial distance.

根據本發明其中之一實施例,本發明另揭露該第一底面徑向距離實質上等於0.2毫米,且該第一頂面徑向距離實質上等於0.11毫米。According to an embodiment of the invention, the first bottom surface radial distance is substantially equal to 0.2 mm, and the first top surface radial distance is substantially equal to 0.11 mm.

根據本發明其中之一實施例,本發明另揭露該導光部另包含有一第三截頂圓錐導光結構,其與該第二截頂圓錐導光結構同軸設置,該第三截頂圓錐導光結構具有一第三底面及一第三頂面,該第三底面結合於該第二頂面,該第三底面的面積小於該第二頂面的面積,且該第三頂面的面積小於該第三底面的面積。According to another embodiment of the present invention, the light guiding portion further includes a third truncated conical light guiding structure disposed coaxially with the second truncated conical light guiding structure, the third truncated conical guide The light structure has a third bottom surface and a third top surface, the third bottom surface is coupled to the second top surface, the area of the third bottom surface is smaller than the area of the second top surface, and the area of the third top surface is smaller than The area of the third bottom surface.

根據本發明其中之一實施例,本發明另揭露該第二底面的邊緣由該第三底面的邊緣沿該第三底面的徑向方向延伸出一第二底面徑向距離,該第二頂面的邊緣由該第三底面的邊緣沿該第三底面的徑向方向延伸出一第二頂面徑向距離,且該第二底面徑向距離大於該第二頂面徑向距離。According to another embodiment of the present invention, the edge of the second bottom surface extends from the edge of the third bottom surface along a radial direction of the third bottom surface by a second bottom surface radial distance, the second top surface The edge of the third bottom surface extends a radial distance of the second top surface along a radial direction of the third bottom surface, and the second bottom surface has a radial distance greater than the second top surface radial distance.

根據本發明其中之一實施例,本發明另揭露該第二底面徑向距離實質上等於0.2毫米,且該第二頂面徑向距離實質上等於0.11毫米。According to an embodiment of the invention, the second bottom surface radial distance is substantially equal to 0.2 mm, and the second top surface radial distance is substantially equal to 0.11 mm.

根據本發明其中之一實施例,本發明另揭露該第一底面的邊緣、該第二底面的邊緣及該第三底面的邊緣共同位於一虛擬球面上。According to an embodiment of the present invention, the edge of the first bottom surface, the edge of the second bottom surface, and the edge of the third bottom surface are collectively located on a virtual spherical surface.

根據本發明其中之一實施例,本發明另揭露該虛擬球面的半徑實質上等於1.9毫米。According to one embodiment of the invention, the invention further discloses that the radius of the virtual spherical surface is substantially equal to 1.9 mm.

根據本發明其中之一實施例,本發明另揭露該發光模組之幾何中心通過該虛擬球面的球心。According to one embodiment of the present invention, the present invention further discloses that the geometric center of the light emitting module passes through the center of the virtual spherical surface.

根據本發明其中之一實施例,本發明另揭露該第一底面的邊緣、該第二底面的邊緣及該第三底面的邊緣彼此共軸球面設置。According to an embodiment of the present invention, the edge of the first bottom surface, the edge of the second bottom surface, and the edge of the third bottom surface are disposed coaxially with each other.

綜上所述,本發明透鏡結構的導光部係由複數個截頂圓錐導光結構,且本發明透鏡結構的導光部的出光面係由各截頂圓錐導光結構的底面、頂面及側面所構成,因此本發明透鏡結構的導光部的出光面非為一光滑連續的曲面,其可有效降低透鏡結構的整體高度,不僅有利於透鏡結構朝薄型化的方向發展並可將發光模組所發出的光線收斂至特定角度內。有關本發明之前述及其他技術內容、特點與功效,在以下配合參考圖式之實施例的詳細說明中,將可清楚的呈現。In summary, the light guiding portion of the lens structure of the present invention is composed of a plurality of truncated conical light guiding structures, and the light guiding surface of the light guiding portion of the lens structure of the present invention is the bottom surface and the top surface of each truncated conical light guiding structure. And the side surface is formed. Therefore, the light-emitting surface of the light guiding portion of the lens structure of the present invention is not a smooth continuous curved surface, which can effectively reduce the overall height of the lens structure, and is not only beneficial to the development of the lens structure in the direction of thinning and can emit light. The light emitted by the module converges to a certain angle. The above and other technical contents, features and advantages of the present invention will be apparent from the following detailed description of the embodiments of the invention.

以下實施例中所提到的方向用語,例如:上、下、左、右、前或後等,僅是參考附加圖式的方向。因此,使用的方向用語是用來說明並非用來限制本發明。請參閱第1圖至第3圖,第1圖為本發明實施例一透鏡結構1000的外觀示意圖,第2圖為本發明實施例透鏡結構1000的爆炸示意圖,第3圖為本發明實施例透鏡結構1000的剖面示意圖。如第1圖至第3圖所示,透鏡結構1000設置於一發光模組1及一基板2上。於此實施例中,發光模組1可為一發光二極體(Light Emitting Diode, LED)晶片,基板2可為一發光二極體基板且該發光二極體基板上可形成有一凹杯3,該發光二極體晶片(即發光模組1)設置於凹杯3內。The directional terms mentioned in the following embodiments, such as up, down, left, right, front or back, etc., are only directions referring to the additional drawings. Therefore, the directional terminology used is for the purpose of illustration and not limitation. 1 to 3, FIG. 1 is a schematic view showing the appearance of a lens structure 1000 according to an embodiment of the present invention, FIG. 2 is an exploded view of a lens structure 1000 according to an embodiment of the present invention, and FIG. 3 is a lens of an embodiment of the present invention. A schematic cross-sectional view of structure 1000. As shown in FIG. 1 to FIG. 3 , the lens structure 1000 is disposed on a light emitting module 1 and a substrate 2 . In this embodiment, the light emitting module 1 can be a light emitting diode (LED) chip, the substrate 2 can be a light emitting diode substrate, and a concave cup 3 can be formed on the light emitting diode substrate. The light emitting diode chip (ie, the light emitting module 1) is disposed in the concave cup 3.

進一步地,透鏡結構1000包含有一結合部4以及一導光部5,結合部4結合於基板2且覆蓋凹杯3的開口及發光模組1,以使發光模組1密封於凹杯3內,藉此發光模組1所發出的光線便會經由結合部4與導光部5透射出透鏡結構1000外。於實務上,結合部4沿凹杯3的開口外緣延伸一距離D,以將發光模組1的一線纜(未繪示於圖中)封裝。導光部5設置於結合部4上,於此實施例中導光部5可與結合部4為一體成型。Further, the lens structure 1000 includes a bonding portion 4 and a light guiding portion 5, and the bonding portion 4 is coupled to the substrate 2 and covers the opening of the concave cup 3 and the light emitting module 1 to seal the light emitting module 1 in the concave cup 3. Therefore, the light emitted by the light-emitting module 1 is transmitted out of the lens structure 1000 via the joint portion 4 and the light guiding portion 5. In practice, the joint portion 4 extends along the outer edge of the opening of the concave cup 3 by a distance D to encapsulate a cable (not shown) of the light-emitting module 1. The light guiding portion 5 is disposed on the joint portion 4. In this embodiment, the light guiding portion 5 can be integrally formed with the joint portion 4.

另外,導光部5包含有一第一截頂圓錐導光結構50、一第二截頂圓錐導光結構51以及一第三截頂圓錐導光結構52。第一截頂圓錐導光結構50具有一第一底面501及一第一頂面502,第一底面501結合於結合部4,且第一頂面502的面積小於第一底面501的面積(如第3圖所示)。第二截頂圓錐導光結構51與第一截頂圓錐導光結構50同軸設置,即第二截頂圓錐導光結構51與第一截頂圓錐導光結構50分別同軸於發光模組1之一出光軸10,其中出光軸10垂直於發光模組1之一出光面11且通過出光面11之幾何中心。In addition, the light guiding portion 5 includes a first truncated conical light guiding structure 50, a second truncated conical light guiding structure 51, and a third truncated conical light guiding structure 52. The first truncated cone light guiding structure 50 has a first bottom surface 501 and a first top surface 502. The first bottom surface 501 is coupled to the joint portion 4, and the area of the first top surface 502 is smaller than the area of the first bottom surface 501 (eg, Figure 3). The second truncated conical light guiding structure 51 is disposed coaxially with the first truncated conical light guiding structure 50, that is, the second truncated conical light guiding structure 51 and the first truncated conical light guiding structure 50 are respectively coaxial with the light emitting module 1 An optical axis 10, wherein the optical axis 10 is perpendicular to one of the light-emitting surfaces 11 of the light-emitting module 1 and passes through the geometric center of the light-emitting surface 11.

如第3圖所示,第二截頂圓錐導光結構51具有一第二底面511及一第二頂面512,第二底面511結合於第一頂面502,即第二底面511與第一頂面502為共平面,第二底面511的面積小於第一頂面502的面積,且第二頂面512的面積小於第二底面511的面積。進一步地,第三截頂圓錐導光結構52與第二截頂圓錐導光結構51同軸設置,即第三截頂圓錐導光結構52、第二截頂圓錐導光結構51與第一截頂圓錐導光結構50分別同軸於發光模組1之出光軸10,第三截頂圓錐導光結構52具有一第三底面521及一第三頂面522,第三底面521結合於第二頂面512,即第三底面521與第二頂面512為共平面,第三底面521的面積小於第二頂面512的面積,且第三頂面522的的面積小於第三底面521的面積。As shown in FIG. 3, the second truncated cone light guiding structure 51 has a second bottom surface 511 and a second top surface 512. The second bottom surface 511 is coupled to the first top surface 502, that is, the second bottom surface 511 and the first surface. The top surface 502 is coplanar, the area of the second bottom surface 511 is smaller than the area of the first top surface 502, and the area of the second top surface 512 is smaller than the area of the second bottom surface 511. Further, the third truncated conical light guiding structure 52 is disposed coaxially with the second truncated conical light guiding structure 51, that is, the third truncated conical light guiding structure 52, the second truncated conical light guiding structure 51 and the first truncated top The conical light guiding structure 50 is respectively coaxial with the optical axis 10 of the light emitting module 1. The third truncated conical light guiding structure 52 has a third bottom surface 521 and a third top surface 522, and the third bottom surface 521 is coupled to the second top surface. 512, that is, the third bottom surface 521 and the second top surface 512 are coplanar, the area of the third bottom surface 521 is smaller than the area of the second top surface 512, and the area of the third top surface 522 is smaller than the area of the third bottom surface 521.

進一步地,第一截頂圓錐導光結構50的第一底面501的邊緣(即點B1)由第二截頂圓錐導光結構51的第二底面511的邊緣(即點B2)沿第二底面511的徑向方向X1延伸出一第一底面徑向距離C1,第一截頂圓錐導光結構50的第一頂面502的邊緣(即點T1) 由第二截頂圓錐導光結構51的第二底面511的邊緣(即點B2)沿第二底面511的徑向方向X1延伸出一第一頂面徑向距離D1,其中第一底面徑向距離C1大於第一頂面徑向距離D1。第二截頂圓錐導光結構51的第二底面511的邊緣(即點B2)由第三截頂圓錐導光結構52的第三底面521的邊緣(即點B3)沿第三底面521的徑向方向X1延伸出一第二底面徑向距離C2,第二截頂圓錐導光結構51的第二頂面512(即點T2) 由第三截頂圓錐導光結構52的第三底面521的邊緣(即點B3)沿第三底面521的徑向方向X1延伸出一第二頂面徑向距離D2,其中第二底面徑向距離C2大於第二頂面徑向距離D2。Further, the edge of the first bottom surface 501 of the first truncated conical light guiding structure 50 (ie, the point B1) is along the edge of the second bottom surface 511 of the second truncated conical light guiding structure 51 (ie, the point B2) along the second bottom surface. The radial direction X1 of the 511 extends a first bottom surface radial distance C1, and the edge of the first top surface 502 of the first truncated conical light guiding structure 50 (ie, the point T1) is defined by the second truncated conical light guiding structure 51. The edge of the second bottom surface 511 (ie, the point B2) extends along the radial direction X1 of the second bottom surface 511 by a first top surface radial distance D1, wherein the first bottom surface radial distance C1 is greater than the first top surface radial distance D1. . The edge of the second bottom surface 511 of the second truncated conical light guiding structure 51 (ie, the point B2) is the diameter of the third bottom surface 521 of the third truncated conical light guiding structure 52 (ie, the point B3) along the third bottom surface 521. A second bottom surface radial distance C2 extends from the direction X1, and the second top surface 512 of the second truncated conical light guiding structure 51 (ie, the point T2) is defined by the third bottom surface 521 of the third truncated conical light guiding structure 52. The edge (ie, point B3) extends along a radial direction X1 of the third bottom surface 521 by a second top surface radial distance D2, wherein the second bottom surface radial distance C2 is greater than the second top surface radial distance D2.

於此實施例中,第一底面徑向距離C1可實質上等於第二底面徑向距離C2,且第一頂面徑向距離D1可實質上等於第二頂面徑向距離D2。於實務上,第一底面徑向距離C1與第二底面徑向距離C2均可實質上等於0.2毫米,且第一頂面徑向距離D1與第二頂面徑向距離D2賽可實質上等於0.11毫米,但本發明不受此限。In this embodiment, the first bottom surface radial distance C1 may be substantially equal to the second bottom surface radial distance C2, and the first top surface radial distance D1 may be substantially equal to the second top surface radial distance D2. In practice, the first bottom surface radial distance C1 and the second bottom surface radial distance C2 may each be substantially equal to 0.2 mm, and the first top surface radial distance D1 and the second top surface radial distance D2 may be substantially equal to 0.11 mm, but the invention is not limited thereto.

值得一提的是,第一截頂圓錐導光結構50的第一底面501的邊緣(即點B1)、第二截頂圓錐導光結構51的第二底面511的邊緣(即點B2)及第三截頂圓錐導光結構52的第三底面521的邊緣(即點B3)共同位於一虛擬球面6上,即第一截頂圓錐導光結構50的第一底面501的邊緣(即點B1)、第二截頂圓錐導光結構51的第二底面511的邊緣(即點B2)及第三截頂圓錐導光結構52的第三底面521的邊緣(即點B3)彼此共軸球面設置,其中虛擬球面6的半徑60可實質上等於1.9毫米。另外,發光模組1的幾何中心(即出光軸10)通過虛擬球面6的球心61。It is worth mentioning that the edge of the first bottom surface 501 of the first truncated conical light guiding structure 50 (ie, the point B1), the edge of the second bottom surface 511 of the second truncated conical light guiding structure 51 (ie, the point B2) The edge of the third bottom surface 521 of the third truncated conical light guiding structure 52 (ie, the point B3) is co-located on a virtual spherical surface 6, that is, the edge of the first bottom surface 501 of the first truncated conical light guiding structure 50 (ie, point B1) The edge of the second bottom surface 511 of the second truncated conical light guiding structure 51 (ie, the point B2) and the edge of the third bottom surface 521 of the third truncated conical light guiding structure 52 (ie, the point B3) are coaxially arranged with each other. Wherein the radius 60 of the virtual spherical surface 6 can be substantially equal to 1.9 mm. In addition, the geometric center of the light-emitting module 1 (ie, the light-emitting axis 10) passes through the center 61 of the virtual spherical surface 6.

除此之外,第一截頂圓錐導光結構50另包含有一第一側面503,第二截頂圓錐導光結構51另包含有一第二側面513,第一側面503連接第一底面501與第一頂面502,第二側面513連接第二底面511與第二頂面512,而根據上述第一底面徑向距離C1與第一頂面徑向距離D1的結構設計,第一側面503是為一圓錐斜面且其斜率是由第一底面徑向距離C1與第一頂面徑向距離D1決定,且根據上述第二底面徑向距離C2與第二頂面徑向距離D2的結構設計,第二側面513是為一圓錐斜面且其斜率是由第二底面徑向距離C2與第二頂面徑向距離D2決定。In addition, the first truncated conical light guiding structure 50 further includes a first side surface 503, and the second truncated conical light guiding structure 51 further includes a second side surface 513. The first side surface 503 is connected to the first bottom surface 501 and the first surface. a top surface 502, the second side surface 513 is connected to the second bottom surface 511 and the second top surface 512, and according to the first radial distance C1 of the first bottom surface and the first top surface radial distance D1, the first side surface 503 is a conical slope and a slope thereof is determined by a first bottom radial distance C1 and a first top radial distance D1, and according to a structural design of the second bottom radial distance C2 and the second top radial distance D2, The two side faces 513 are a conical bevel and the slope is determined by the second bottom radial distance C2 and the second top radial distance D2.

如此一來,第一側面503及第二側面513便可用以反射由發光模組1所射出的光線,以收斂發光模組1所發出的光線至特定角度(例如60度)內。如第3圖所示,本發明透鏡結構1000另包含有一第四截頂圓錐導光結構53、一第五截頂圓錐導光結構54、一第六截頂圓錐導光結構55、一第七截頂圓錐導光結構56以及一第八截頂圓錐導光結構57,而第三截頂圓錐導光結構52、第四截頂圓錐導光結構53、第五截頂圓錐導光結構54、第六截頂圓錐導光結構55、第七截頂圓錐導光結構56以及第八截頂圓錐導光結構57的結構設計及作用原理係相同於第一截頂圓錐導光結構50與第二截頂圓錐導光結構51,為求簡潔,在此不再贅述。   相較於先前技術,本發明透鏡結構的導光部係由複數個截頂圓錐導光結構,且本發明透鏡結構的導光部的出光面係由各截頂圓錐導光結構的底面、頂面及側面所構成,因此本發明透鏡結構的導光部的出光面非為一光滑連續的曲面,其可有效降低透鏡結構的整體高度,不僅有利於透鏡結構朝薄型化的方向發展並可將發光模組所發出的光線收斂至特定角度內。以上所述僅為本發明之較佳實施例，凡依本發明申請專利範圍所做之均等變化與修飾，皆應屬本發明之涵蓋範圍。In this way, the first side surface 503 and the second side surface 513 can reflect the light emitted by the light-emitting module 1 to converge the light emitted by the light-emitting module 1 to a specific angle (for example, 60 degrees). As shown in FIG. 3, the lens structure 1000 of the present invention further includes a fourth truncated conical light guiding structure 53, a fifth truncated conical light guiding structure 54, a sixth truncated conical light guiding structure 55, and a seventh. a truncated conical light guiding structure 56 and an eighth truncated conical light guiding structure 57, and a third truncated conical light guiding structure 52, a fourth truncated conical light guiding structure 53, and a fifth truncated conical light guiding structure 54, The structural design and function principle of the sixth truncated conical light guiding structure 55, the seventh truncated conical light guiding structure 56 and the eighth truncated conical light guiding structure 57 are the same as the first truncated conical light guiding structure 50 and the second The truncated conical light guiding structure 51 is not described herein for the sake of brevity. Compared with the prior art, the light guiding portion of the lens structure of the present invention is composed of a plurality of truncated conical light guiding structures, and the light guiding surface of the light guiding portion of the lens structure of the present invention is composed of the bottom surface and the top of each truncated conical light guiding structure. The light-emitting surface of the light guiding portion of the lens structure of the present invention is not a smooth continuous curved surface, which can effectively reduce the overall height of the lens structure, and is not only beneficial to the development of the lens structure in the direction of thinning and can The light emitted by the light-emitting module converges to a certain angle. The above are only the preferred embodiments of the present invention, and all changes and modifications made to the scope of the present invention should be within the scope of the present invention.

1000‧‧‧透鏡結構
1‧‧‧發光模組
10‧‧‧出光軸
11‧‧‧出光面
2‧‧‧基板
3‧‧‧凹杯
4‧‧‧結合部
5‧‧‧導光部
50‧‧‧第一截頂圓錐導光結構
501‧‧‧第一底面
502‧‧‧第一頂面
503‧‧‧第一側面
51‧‧‧第二截頂圓錐導光結構
511‧‧‧第二底面
512‧‧‧第二頂面
513‧‧‧第二側面
52‧‧‧第三截頂圓錐導光結構
521‧‧‧第三底面
522‧‧‧第三頂面
53‧‧‧第四截頂圓錐導光結構
54‧‧‧第五截頂圓錐導光結構
55‧‧‧第六截頂圓錐導光結構
56‧‧‧第七截頂圓錐導光結構
57‧‧‧第八截頂圓錐導光結構
6‧‧‧虛擬球面
60‧‧‧半徑
61‧‧‧球心
B1、B2、B3、T1、T2‧‧‧點
D‧‧‧距離
X1‧‧‧徑向方向
C1‧‧‧第一底面徑向距離
D1‧‧‧第一頂面徑向距離
C2‧‧‧第二底面徑向距離
D2‧‧‧第二頂面徑向距離1000‧‧‧ lens structure
1‧‧‧Lighting module
10‧‧‧Light axis
11‧‧‧Glossy
2‧‧‧Substrate
3‧‧‧ concave cup
4‧‧‧Combination Department
5‧‧‧Light Guide
50‧‧‧First truncated conical light guiding structure
501‧‧‧ first bottom surface
502‧‧‧ first top surface
503‧‧‧ first side
51‧‧‧Second truncated conical light guiding structure
511‧‧‧second bottom surface
512‧‧‧second top surface
513‧‧‧ second side
52‧‧‧The third truncated conical light guiding structure
521‧‧‧ third bottom
522‧‧‧ third top surface
53‧‧‧Four truncated conical light guiding structure
54‧‧‧Fixed truncated conical light guiding structure
55‧‧‧6th truncated conical light guiding structure
56‧‧‧The seventh truncated conical light guiding structure
57‧‧‧The eighth truncated conical light guiding structure
6‧‧‧Virtual spherical surface
60‧‧‧radius
61‧‧‧ ball heart
B1, B2, B3, T1, T2‧‧
D‧‧‧Distance
X1‧‧‧ radial direction
C1‧‧‧first bottom radial distance
D1‧‧‧first top radial distance
C2‧‧‧Second bottom radial distance
D2‧‧‧Second top radial distance

第1圖為本發明實施例透鏡結構的外觀示意圖。 第2圖為本發明實施例透鏡結構的爆炸示意圖。 第3圖為本發明實施例透鏡結構的剖面示意圖。FIG. 1 is a schematic view showing the appearance of a lens structure according to an embodiment of the present invention. 2 is a schematic exploded view of a lens structure according to an embodiment of the present invention. Figure 3 is a cross-sectional view showing the lens structure of the embodiment of the present invention.

1000‧‧‧透鏡結構 1000‧‧‧ lens structure

1‧‧‧發光模組 1‧‧‧Lighting module

10‧‧‧出光軸 10‧‧‧Light axis

11‧‧‧出光面 11‧‧‧Glossy

2‧‧‧基板 2‧‧‧Substrate

3‧‧‧凹杯 3‧‧‧ concave cup

4‧‧‧結合部 4‧‧‧Combination Department

5‧‧‧導光部 5‧‧‧Light Guide

50‧‧‧第一截頂圓錐導光結構 50‧‧‧First truncated conical light guiding structure

501‧‧‧第一底面 501‧‧‧ first bottom surface

502‧‧‧第一頂面 502‧‧‧ first top surface

503‧‧‧第一側面 503‧‧‧ first side

51‧‧‧第二截頂圓錐導光結構 51‧‧‧Second truncated conical light guiding structure

511‧‧‧第二底面 511‧‧‧second bottom surface

512‧‧‧第二頂面 512‧‧‧second top surface

513‧‧‧第二側面 513‧‧‧ second side

52‧‧‧第三截頂圓錐導光結構 52‧‧‧The third truncated conical light guiding structure

521‧‧‧第三底面 521‧‧‧ third bottom

522‧‧‧第三頂面 522‧‧‧ third top surface

53‧‧‧第四截頂圓錐導光結構 53‧‧‧Four truncated conical light guiding structure

54‧‧‧第五截頂圓錐導光結構 54‧‧‧Fixed truncated conical light guiding structure

55‧‧‧第六截頂圓錐導光結構 55‧‧‧6th truncated conical light guiding structure

56‧‧‧第七截頂圓錐導光結構 56‧‧‧The seventh truncated conical light guiding structure

57‧‧‧第八截頂圓錐導光結構 57‧‧‧The eighth truncated conical light guiding structure

6‧‧‧虛擬球面 6‧‧‧Virtual spherical surface

60‧‧‧半徑 60‧‧‧radius

61‧‧‧球心 61‧‧‧ ball heart

B1、B2、B3、T1、T2‧‧‧點 B1, B2, B3, T1, T2‧‧

D‧‧‧距離 D‧‧‧Distance

X1‧‧‧徑向方向 X1‧‧‧ radial direction

C1‧‧‧第一底面徑向距離 C1‧‧‧first bottom radial distance

D1‧‧‧第一頂面徑向距離 D1‧‧‧first top radial distance

C2‧‧‧第二底面徑向距離 C2‧‧‧Second bottom radial distance

D2‧‧‧第二頂面徑向距離 D2‧‧‧Second top radial distance

Claims (10)

一種高聚光透鏡結構,其設置於一發光模組及一基板上,該透鏡結構包含有: 一結合部,其結合於該基板且覆蓋該發光模組;以及 一導光部,其設置於該結合部上,該導光部包含有: 一第一截頂圓錐導光結構,其具有一第一底面及一第一頂面,該第一底面結合於該結合部,該第一頂面的面積小於該第一底面的面積;以及 一第二截頂圓錐導光結構,其與該第一截頂圓錐導光結構同軸設置,該第二截頂圓錐導光結構具有一第二底面及一第二頂面,該第二底面結合於該第一頂面,該第二底面的面積小於該第一頂面的面積,且該第二頂面的面積小於該第二底面的面積。A high concentrating lens structure is disposed on a light emitting module and a substrate. The lens structure includes: a bonding portion coupled to the substrate and covering the light emitting module; and a light guiding portion disposed on the combination The light guiding portion includes: a first truncated conical light guiding structure having a first bottom surface and a first top surface, wherein the first bottom surface is coupled to the joint portion, and the area of the first top surface An area smaller than the first bottom surface; and a second truncated conical light guiding structure disposed coaxially with the first truncated conical light guiding structure, the second truncated conical light guiding structure having a second bottom surface and a first The second top surface is coupled to the first top surface. The area of the second bottom surface is smaller than the area of the first top surface, and the area of the second top surface is smaller than the area of the second bottom surface. 如請求項1所述之透鏡結構,其中該第一底面的邊緣由該第二底面的邊緣沿該第二底面的徑向方向延伸出一第一底面徑向距離,該第一頂面的邊緣由該第二底面的邊緣沿該第二底面的徑向方向延伸出一第一頂面徑向距離,且該第一底面徑向距離大於該第一頂面徑向距離。The lens structure of claim 1, wherein an edge of the first bottom surface is extended by a radial distance of the second bottom surface along a radial direction of the second bottom surface by a first bottom surface, the edge of the first top surface A first top surface radial distance extends from an edge of the second bottom surface along a radial direction of the second bottom surface, and the first bottom surface has a radial distance greater than the first top surface radial distance. 如請求項2所述之透鏡結構,其中該第一底面徑向距離實質上等於0.2毫米,且該第一頂面徑向距離實質上等於0.11毫米。The lens structure of claim 2, wherein the first bottom surface has a radial distance substantially equal to 0.2 mm and the first top surface radial distance is substantially equal to 0.11 mm. 如請求項1所述之透鏡結構,其中該導光部另包含有: 一第三截頂圓錐導光結構,其與該第二截頂圓錐導光結構同軸設置,該第三截頂圓錐導光結構具有一第三底面及一第三頂面,該第三底面結合於該第二頂面,該第三底面的面積小於該第二頂面的面積,且該第三頂面的面積小於該第三底面的面積。The lens structure of claim 1, wherein the light guiding portion further comprises: a third truncated conical light guiding structure disposed coaxially with the second truncated conical light guiding structure, the third truncated conical guide The light structure has a third bottom surface and a third top surface, the third bottom surface is coupled to the second top surface, the area of the third bottom surface is smaller than the area of the second top surface, and the area of the third top surface is smaller than The area of the third bottom surface. 如請求項4所述之透鏡結構,其中該第二底面的邊緣由該第三底面的邊緣沿該第三底面的徑向方向延伸出一第二底面徑向距離,該第二頂面的邊緣由該第三底面的邊緣沿該第三底面的徑向方向延伸出一第二頂面徑向距離,且該第二底面徑向距離大於該第二頂面徑向距離。The lens structure of claim 4, wherein the edge of the second bottom surface extends from the edge of the third bottom surface in a radial direction of the third bottom surface by a second bottom surface radial distance, the edge of the second top surface A second top surface radial distance extends from an edge of the third bottom surface along a radial direction of the third bottom surface, and the second bottom surface has a radial distance greater than the second top surface radial distance. 如請求項5所述之透鏡結構,其中該第二底面徑向距離實質上等於0.2毫米,且該第二頂面徑向距離實質上等於0.11毫米。The lens structure of claim 5, wherein the second bottom surface has a radial distance substantially equal to 0.2 mm and the second top surface radial distance is substantially equal to 0.11 mm. 如請求項6所述之透鏡結構,其中該第一底面的邊緣、該第二底面的邊緣及該第三底面的邊緣共同位於一虛擬球面上。The lens structure of claim 6, wherein the edge of the first bottom surface, the edge of the second bottom surface, and the edge of the third bottom surface are co-located on a virtual spherical surface. 如請求項7所述之透鏡結構,其中該虛擬球面的半徑實質上等於1.9毫米。The lens structure of claim 7, wherein the radius of the virtual spherical surface is substantially equal to 1.9 mm. 如請求項7所述之透鏡結構,其中該發光模組之幾何中心通過該虛擬球面的球心。The lens structure of claim 7, wherein a geometric center of the light emitting module passes through a center of the virtual spherical surface. 如請求項4所述之透鏡結構,其中該第一底面的邊緣、該第二底面的邊緣及該第三底面的邊緣彼此共軸球面設置。The lens structure of claim 4, wherein an edge of the first bottom surface, an edge of the second bottom surface, and an edge of the third bottom surface are coaxially disposed with each other.
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TWI685990B (en) * 2015-07-28 2020-02-21 潘宇翔 Lens structure with high consentrated illumination
US10634618B2 (en) 2018-01-23 2020-04-28 Hong Kong Applied Science and Technology Research Institute Company Limited Apparatus and a method for inspecting a light transmissible optical component

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