CN106410013B - Light emitting device - Google Patents
Light emitting device Download PDFInfo
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- CN106410013B CN106410013B CN201610567372.1A CN201610567372A CN106410013B CN 106410013 B CN106410013 B CN 106410013B CN 201610567372 A CN201610567372 A CN 201610567372A CN 106410013 B CN106410013 B CN 106410013B
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- light
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- light guide
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- 239000000758 substrate Substances 0.000 claims abstract description 15
- 230000003287 optical effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
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Classifications
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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
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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
-
- 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
- H01L33/60—Reflective elements
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Led Device Packages (AREA)
- Planar Illumination Modules (AREA)
Abstract
A light-emitting device comprises a substrate, a light-emitting module and a lens structure, wherein a concave cup structure is formed on the substrate, the concave cup structure is provided with a base platform and an arc-shaped side wall surrounding the base platform, the light-emitting module is arranged on the base platform, part of light emitted by the light-emitting module is reflected into the lens structure through the arc-shaped side wall, and the lens structure is used for guiding the light emitted into the lens structure out of the lens structure.
Description
Technical Field
The present invention relates to a light emitting device, and more particularly, to a light emitting device having high optical rotatory power and reduced thickness.
Background
Recently, light emitting diodes have been widely used in everyday lighting systems of people, such as home lighting, street lighting, or traffic sign lighting. The conventional led module includes an led chip and a lens, wherein the led chip emits light, and the lens converges the light emitted from the led chip. However, in order to converge the light emitted from the led chip into a specific angle, a lens with a long and high shape structure is required, so that the height of the led module is limited, which is not favorable for the development of the led module toward thinning.
Disclosure of Invention
Accordingly, the present invention is directed to a light emitting device having high optical rotatory power and a thin structure to solve the above problems.
In order to achieve the above object, the present invention discloses a light emitting device, which comprises a substrate, a light emitting module and a lens structure, wherein a concave cup structure is formed on the substrate, the concave cup structure comprises a base platform and an arc-shaped sidewall surrounding the base platform, and the light emitting module is disposed on the base platform. The lens structure comprises a combination part and a light guide part, the combination part is combined with the substrate and covers the concave cup structure, and the light guide part is arranged on the combination part. The light guide part comprises a first truncated cone light guide structure and a second truncated cone light guide structure, the first truncated cone light guide structure is provided with a first bottom surface and a first top surface, the first bottom surface is combined with the combining part, the second truncated cone light guide structure and the first truncated cone light guide structure are coaxially arranged, the second truncated cone light guide structure is provided with a second bottom surface, and the second bottom surface is combined with the first top surface. Wherein part of the light emitted by the light-emitting module is reflected into the lens structure through the arc-shaped side wall, and the light guide part is used for guiding the light emitted into the lens structure out of the lens structure.
According to an embodiment of the present invention, the second truncated-cone light guiding structure further includes a second top surface, an area of the first top surface is smaller than an area of the first bottom 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.
According to an 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 edge of the first top surface extends from the edge of the second bottom surface along the radial direction of the second bottom surface by a first top surface radial distance, and the first bottom surface radial distance is greater than the first top surface radial distance.
According to one embodiment of the present invention, the first bottom surface radial distance is equal to 0.2 mm, and the first top surface radial distance is equal to 0.11 mm.
According to an embodiment of the present invention, the second truncated-cone light guiding structure further includes a second top surface, an area of the first top surface is smaller than an area of the first bottom surface, an area of the second bottom surface is smaller than an area of the first top surface, an area of the second top surface is smaller than an area of the second bottom surface, and the light guiding portion further includes a third truncated-cone light guiding structure coaxially disposed with the second truncated-cone light guiding structure, the third truncated-cone light guiding structure includes a third bottom surface and a third top surface, the third bottom surface is combined with the second top surface, an area of the third bottom surface is smaller than an area of the second top surface, and an area of the third top surface is smaller than an area of the third bottom surface.
According to an 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 edge of the second top surface extends from the edge of the third bottom surface along the radial direction of the third bottom surface by a second top surface radial distance, and the second bottom surface radial distance is greater than the second top surface radial distance.
According to one embodiment of the present invention, the second bottom surface radial distance is equal to 0.2 mm, and the second top surface radial distance is equal to 0.11 mm.
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 located on a virtual spherical surface.
According to one embodiment of the present invention, the radius of the virtual sphere is equal to 1.9 mm.
According to one embodiment of the present invention, the geometric center of the light emitting module passes through the spherical center of the virtual spherical surface.
According to one embodiment of the present invention, the spherical center of the virtual spherical surface is concentric with the geometric center of the arc-shaped sidewall.
According to one 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 coaxially arranged with each other.
In summary, the light guide portion of the lens structure of the light emitting device of the present invention is formed by a plurality of truncated conical light guide structures, and the light exit surface of the light guide portion of the lens structure of the present invention is formed by the bottom surface, the top surface and the side surface of each truncated conical light guide structure, so that the light exit surface of the light guide portion of the lens structure of the present invention is not a smooth and 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 towards the thinning direction, but also can converge the light emitted by the light emitting module into a specific angle. In addition, the concave cup structure on the substrate of the light-emitting device can further reflect part of the light emitted by the light-emitting module into the lens structure, so that the light guide part of the lens structure guides the light emitted into the lens structure out of the lens structure, thereby achieving better light-emitting effect. The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings.
Drawings
Fig. 1 is an external view of a light-emitting device according to an embodiment of the invention.
Fig. 2 is an exploded view of a light emitting device according to an embodiment of the present invention.
Fig. 3 is a schematic cross-sectional view of a light-emitting device according to an embodiment of the invention.
Wherein the reference numerals are as follows:
1000 light emitting device
3000 lens structure
1 light emitting module
10 light-emitting axis
11 light-emitting surface
2 base plate
3 concave cup structure
30 base platform
31 arc side wall
310 geometric center
4 joint part
5 light guide part
50 first truncated cone light guide structure
501 first bottom surface
502 first top surface
503 first side surface
51 second truncated cone light guide structure
511 second bottom surface
512 second top surface
513 second side
52 third truncated cone light guide structure
521 third bottom surface
522 third top surface
53 fourth truncated cone light guide structure
54 fifth truncated cone light guide structure
55 sixth truncated cone light guide structure
56 seventh truncated cone light guide structure
57 eighth truncated cone light guide structure
6 virtual sphere
61 center of sphere
B1, B2, B3, T1 and T2 points
Distance D
X1 radial direction
C1 first base radial distance
D1 first crest radial distance
C2 second base radial distance
D2 second top surface radial distance
L1, L2 light ray
Detailed Description
Directional terms as referred to in the following examples, for example: up, down, left, right, front or rear, etc., are directions with reference to the attached drawings only. Accordingly, the directional terminology is used for purposes of illustration and is in no way limiting. Referring to fig. 1 to 3, fig. 1 is an external view of a light emitting device 1000 according to an embodiment of the invention, fig. 2 is an exploded view of the light emitting device 1000 according to the embodiment of the invention, and fig. 3 is a cross-sectional view of the light emitting device 1000 according to the embodiment of the invention. As shown in fig. 1 to 3, the light emitting device 1000 includes a light emitting module 1, a substrate 2 and a lens structure 3000. The substrate 2 is formed with a concave cup structure 3, the concave cup structure 3 has a base platform 30 and an arc sidewall 31 surrounding the base platform 30, and the light emitting module 1 is disposed in the concave cup structure 3 and located on the base platform 30. In this embodiment, the Light Emitting module 1 may be a Light Emitting Diode (LED) chip, and the substrate 2 may be a LED substrate.
Further, the lens structure 3000 includes a combining portion 4 and a light guiding portion 5, the combining portion 4 is combined to the substrate 2 and covers the opening of the concave cup structure 3 and the light emitting module 1, so that the light emitting module 1 is sealed in the concave cup structure 3, and the light L1 emitted by the light emitting module 1 is transmitted out of the light emitting device 1000 through the combining portion 4 and the light guiding portion 5. In one embodiment, the bonding portion 4 extends along the opening periphery of the concave cup structure 3 by a distance D to encapsulate a cable (not shown) of the light emitting module 1. The light guide part 5 is disposed on the combining part 4, and in this embodiment, the light guide part 5 may be integrally formed with the combining part 4.
In addition, the light guide portion 5 includes a first truncated cone light guide structure 50, a second truncated cone light guide structure 51 and a third truncated cone light guide 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 combined with the combining portion 4, and the area of the first top surface 502 is smaller than that of the first bottom surface 501 (as shown in fig. 3). The second truncated cone light guiding structure 51 and the first truncated cone light guiding structure 50 are coaxially disposed, that is, the second truncated cone light guiding structure 51 and the first truncated cone light guiding structure 50 are respectively coaxial with an optical axis 10 of the light emitting module 1, wherein the optical axis 10 is perpendicular to an optical exit surface 11 of the light emitting module 1 and passes through a geometric center of the optical exit surface 11.
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 combined with the first top surface 502, i.e. the second bottom surface 511 and the first top surface 502 are coplanar, the area of the second bottom surface 511 is smaller than that of the first top surface 502, and the area of the second top surface 512 is smaller than that of the second bottom surface 511. Further, the third truncated cone light guiding structure 52 and the second truncated cone light guiding structure 51 are coaxially disposed, that is, the third truncated cone light guiding structure 52, the second truncated cone light guiding structure 51 and the first truncated cone light guiding structure 50 are respectively coaxial with the light-emitting axis 10 of the light-emitting module 1, the third truncated cone light guiding structure 52 has a third bottom surface 521 and a third top surface 522, the third bottom surface 521 is combined with 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.
Further, the edge of the first bottom surface 501 of the first truncated-cone light guiding structure 50 (i.e., point B1) extends from the edge of the second bottom surface 511 of the second truncated-cone light guiding structure 51 (i.e., point B2) by a first bottom surface radial distance C1 along the radial direction X1 of the second bottom surface 511, and the edge of the first top surface 502 of the first truncated-cone light guiding structure 50 (i.e., point T1) extends from the edge of the second bottom surface 511 of the second truncated-cone light guiding structure 51 (i.e., point B2) by a first top surface radial distance D1 along the radial direction X1 of the second bottom surface 511, 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-cone light guiding structure 51 (i.e., point B2) extends from the edge of the third bottom surface 521 of the third truncated-cone light guiding structure 52 (i.e., point B3) by a second bottom surface radial distance C2 along the radial direction X1 of the third bottom surface 521, and the second top surface 512 of the second truncated-cone light guiding structure 51 (i.e., point T2) extends from the edge of the third bottom surface 521 of the third truncated-cone light guiding structure 52 (i.e., point B3) by a second top surface radial distance D2 along the radial direction X1 of the third bottom surface 521, wherein the second bottom surface radial distance C2 is greater than the second top surface radial distance D2.
In this embodiment, the first floor radial distance C1 may be equal to the second floor radial distance C2, and the first topside radial distance D1 may be equal to the second topside radial distance D2. In one embodiment, the first bottom surface radial distance C1 and the second bottom surface radial distance C2 may be equal to 0.2 mm, and the first top surface radial distance D1 and the second top surface radial distance D2 may be equal to 0.11 mm, but the invention is not limited thereto.
It should be noted that the edge of the first bottom surface 501 of the first truncated-cone light guiding structure 50 (i.e., point B1), the edge of the second bottom surface 511 of the second truncated-cone light guiding structure 51 (i.e., point B2), and the edge of the third bottom surface 521 of the third truncated-cone light guiding structure 52 (i.e., point B3) are located on a virtual spherical surface 6, that is, the edge of the first bottom surface 501 of the first truncated-cone light guiding structure 50 (i.e., point B1), the edge of the second bottom surface 511 of the second truncated-cone light guiding structure 51 (i.e., point B2), and the edge of the third bottom surface 521 of the third truncated-cone light guiding structure 52 (i.e., point B3) are coaxially arranged on a sphere, wherein the radius 60 of the virtual spherical surface 6 may be equal to 1.9 mm. In addition, the geometric center (i.e., the light exit axis 10) of the light emitting module 1 passes through the spherical center 61 of the virtual spherical surface 6.
In addition, the first truncated-cone light guiding structure 50 further includes a first side surface 503, the second truncated-cone light guiding structure 51 further includes a second side surface 513, the first side surface 503 connects the first bottom surface 501 and the first top surface 502, the second side surface 513 connects the second bottom surface 511 and the second top surface 512, and according to the structural design of the radial distance C1 between the first bottom surface and the radial distance D1 between the first top surface and the first bottom surface, the first side surface 503 is a conical inclined surface, the slope of which is determined by the radial distance C1 between the first bottom surface and the radial distance D1 between the first top surface and the radial distance C2 between the second bottom surface and the radial distance D2 between the second side surface 513 is a conical inclined surface, the slope of which is determined by the radial distance C2 between the second bottom surface and the radial distance D2 between the second top surface.
Thus, the first side 503 and the second side 513 can be used to reflect the light L1 emitted from the light emitting module 1 to converge the light L1 emitted from the light emitting module 1 to a specific angle (e.g., 60 degrees). As shown in fig. 3, the lens structure 3000 of the light emitting device 1000 of the present invention further includes a fourth truncated cone light guiding structure 53, a fifth truncated cone light guiding structure 54, a sixth truncated cone light guiding structure 55, a seventh truncated cone light guiding structure 56, and an eighth truncated cone light guiding structure 57, and the structural design and operation principle of the third truncated cone light guiding structure 52, the fourth truncated cone light guiding structure 53, the fifth truncated cone light guiding structure 54, the sixth truncated cone light guiding structure 55, the seventh truncated cone light guiding structure 56, and the eighth truncated cone light guiding structure 57 are the same as those of the first truncated cone light guiding structure 50 and the second truncated cone light guiding structure 51, which is not repeated herein for brevity.
In addition, the spherical centers 61 of the virtual spherical surfaces 6 are further co-located at the geometric center 310 of the arc-shaped sidewall 31 of the concave cup structure 3, and a part of the light L2 emitted by the light-emitting module 1 can be reflected into the lens structure 3000 through the arc-shaped sidewall 31, so that the lens structure 3000 of the present invention can converge the light L1 emitted by the light-emitting module 1 to a specific angle, and the present invention can further reflect the light L2 into the lens structure 3000 through the arc-shaped sidewall 31 of the concave cup structure 3 of the substrate 2, so that the light guiding portion 5 of the lens structure 3000 guides the light L2 emitted into the lens structure 3000 out of the lens structure 3000, thereby achieving a better light emitting effect.
Compared with the prior art, the light guide part of the lens structure of the light-emitting device is composed of the plurality of truncated cone light guide structures, and the light-emitting surface of the light guide part of the lens structure is composed of the bottom surface, the top surface and the side surface of each truncated cone light guide structure, so that the light-emitting surface of the light guide part of the lens structure is not a smooth and continuous curved surface, the overall height of the lens structure can be effectively reduced, the development of the lens structure towards the thinning direction is facilitated, and the light emitted by the light-emitting module can be converged into a specific angle. In addition, the concave cup structure on the substrate of the light-emitting device can further reflect part of the light emitted by the light-emitting module into the lens structure, so that the light guide part of the lens structure guides the light emitted into the lens structure out of the lens structure, thereby achieving better light-emitting effect.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A light-emitting device, comprising:
a substrate, on which a concave cup structure is formed, the concave cup structure has a base platform and an arc-shaped side wall surrounding the base platform;
a light emitting module disposed on the base platform; and
a lens structure, comprising:
a bonding portion bonded to the substrate and covering the recessed cup structure; and
a light guide portion disposed on the combining portion, the light guide portion including:
the first truncated cone light guide structure is provided with a first bottom surface and a first top surface, the first bottom surface is combined with the combining part, and the area of the first top surface is smaller than that of the first bottom surface;
a second truncated cone light guide structure coaxially disposed with the first truncated cone light guide structure, the second truncated cone light guide structure having a second bottom surface and a second top surface, the second bottom surface being combined with the first top surface, the area of the second bottom surface being smaller than the area of the first top surface, and the area of the second top surface being smaller than the area of the second bottom surface; and
a third truncated cone light guide structure, which is coaxially disposed with the second truncated cone light guide structure, the third truncated cone light guide structure having a third bottom surface and a third top surface, the third bottom surface being combined with the second top surface, the area of the third bottom surface being smaller than that of the second top surface, the area of the third top surface being smaller than that of the third bottom surface, the edge of the first bottom surface, the edge of the second bottom surface, and the edge of the third bottom surface being located on a virtual spherical surface, the virtual spherical surface being located in the light guide portion;
wherein part of the light emitted by the light-emitting module is reflected into the lens structure through the arc-shaped side wall, and the light guide part is used for guiding the light emitted into the lens structure out of the lens structure.
2. The light-emitting device according to claim 1, wherein the edge of the first bottom surface extends from the edge of the second bottom surface by a first bottom surface radial distance in a radial direction of the second bottom surface, the edge of the first top surface extends from the edge of the second bottom surface by a first top surface radial distance in the radial direction of the second bottom surface, and the first bottom surface radial distance is greater than the first top surface radial distance.
3. The light-emitting device according to claim 2, wherein the first bottom surface radial distance is equal to 0.2 mm and the first top surface radial distance is equal to 0.11 mm.
4. The light-emitting device according to claim 1, wherein the edge of the second bottom surface extends from the edge of the third bottom surface by a second bottom surface radial distance in the radial direction of the third bottom surface, the edge of the second top surface extends from the edge of the third bottom surface by a second top surface radial distance in the radial direction of the third bottom surface, and the second bottom surface radial distance is greater than the second top surface radial distance.
5. The light-emitting device according to claim 4, wherein the second bottom surface radial distance is equal to 0.2 mm and the second top surface radial distance is equal to 0.11 mm.
6. The light-emitting apparatus according to claim 1, wherein a radius of the virtual spherical surface is equal to 1.9 mm.
7. The lighting apparatus of claim 1, wherein a geometric center of the lighting module passes through a spherical center of the virtual sphere.
8. The light-emitting apparatus according to claim 1, wherein the spherical centers of the virtual spherical surfaces are concentric with the geometric center of the arc-shaped sidewall.
9. The light-emitting device according to claim 1, wherein an edge of the first bottom surface, an edge of the second bottom surface, and an edge of the third bottom surface are spherically disposed coaxially with each other.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW104124319A TWI600858B (en) | 2015-07-28 | 2015-07-28 | Light emitting device |
| TW104124319 | 2015-07-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106410013A CN106410013A (en) | 2017-02-15 |
| CN106410013B true CN106410013B (en) | 2020-03-10 |
Family
ID=57624302
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620759299.3U Withdrawn - After Issue CN205846004U (en) | 2015-07-28 | 2016-07-19 | light emitting device |
| CN201610567372.1A Active CN106410013B (en) | 2015-07-28 | 2016-07-19 | Light emitting device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620759299.3U Withdrawn - After Issue CN205846004U (en) | 2015-07-28 | 2016-07-19 | light emitting device |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN205846004U (en) |
| TW (1) | TWI600858B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI600858B (en) * | 2015-07-28 | 2017-10-01 | 潘宇翔 | Light emitting device |
| CN108538996A (en) * | 2018-03-07 | 2018-09-14 | 广州硅能照明有限公司 | A method of improving COB light outputs |
| CN110021689A (en) * | 2019-04-28 | 2019-07-16 | 福建兆元光电有限公司 | Light emitting diode and its manufacturing method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2720646Y (en) * | 2004-07-29 | 2005-08-24 | 亿光电子工业股份有限公司 | High-power light emitting diode package structure |
| TWM324851U (en) * | 2007-07-18 | 2008-01-01 | Ching-Yi Wang | High-brightness LED micro structure package |
| CN101881412A (en) * | 2009-05-05 | 2010-11-10 | 王川 | New LED lens |
| TW201508343A (en) * | 2013-08-21 | 2015-03-01 | Advanced Optoelectronic Tech | Lens and light emitting component having the lens |
| CN205846004U (en) * | 2015-07-28 | 2016-12-28 | 潘宇翔 | light emitting device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000057492A1 (en) * | 1999-10-18 | 2000-09-28 | Obschestvo S Ogranichennoi Otvetstvennostiju 'korvet-Lights' | Luminescent diode device |
| TWI441362B (en) * | 2011-10-05 | 2014-06-11 | Delta Electronics Inc | Lighting module and lighting device thereof |
| TW201500775A (en) * | 2013-06-26 | 2015-01-01 | Hon Hai Prec Ind Co Ltd | Lens and light source device with the same |
| CN203880530U (en) * | 2014-05-30 | 2014-10-15 | 昆山生态屋建筑技术有限公司 | Tunnel lamp |
-
2015
- 2015-07-28 TW TW104124319A patent/TWI600858B/en active
-
2016
- 2016-07-19 CN CN201620759299.3U patent/CN205846004U/en not_active Withdrawn - After Issue
- 2016-07-19 CN CN201610567372.1A patent/CN106410013B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2720646Y (en) * | 2004-07-29 | 2005-08-24 | 亿光电子工业股份有限公司 | High-power light emitting diode package structure |
| TWM324851U (en) * | 2007-07-18 | 2008-01-01 | Ching-Yi Wang | High-brightness LED micro structure package |
| CN101881412A (en) * | 2009-05-05 | 2010-11-10 | 王川 | New LED lens |
| TW201508343A (en) * | 2013-08-21 | 2015-03-01 | Advanced Optoelectronic Tech | Lens and light emitting component having the lens |
| CN205846004U (en) * | 2015-07-28 | 2016-12-28 | 潘宇翔 | light emitting device |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201704685A (en) | 2017-02-01 |
| TWI600858B (en) | 2017-10-01 |
| CN205846004U (en) | 2016-12-28 |
| CN106410013A (en) | 2017-02-15 |
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