CN106641750A - Light mixing system - Google Patents
Light mixing system Download PDFInfo
- Publication number
- CN106641750A CN106641750A CN201610926653.1A CN201610926653A CN106641750A CN 106641750 A CN106641750 A CN 106641750A CN 201610926653 A CN201610926653 A CN 201610926653A CN 106641750 A CN106641750 A CN 106641750A
- Authority
- CN
- China
- Prior art keywords
- main lens
- mixing system
- light mixing
- pcb board
- lens
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- 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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
- F21V19/0015—Fastening arrangements intended to retain light sources
- F21V19/002—Fastening arrangements intended to retain light sources the fastening means engaging the encapsulation or the packaging of the semiconductor device
-
- 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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
- F21V19/0015—Fastening arrangements intended to retain light sources
- F21V19/0025—Fastening arrangements intended to retain light sources the fastening means engaging the conductors of the light source, i.e. providing simultaneous fastening of the light sources and their electric connections
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention relates to a light mixing system. The light mixing system comprises a PCB (Printed Circuit Board), lamp beads, primary lenses and auxiliary parts; the lamp beads are arranged on the PCB; the primary lenses are arranged above the lamp beads; the auxiliary parts are arranged on the periphery of the bottoms of the primary lenses on the PCB; the primary lenses and the auxiliary parts are matched for use. According to the light mixing system, the problem of side light leakage of the lamp beads is solved; the risk of thermal deformation of an optical lens is reduced; the light mixing system is beneficial to thinning of a back light source.
Description
Technical field
The present invention relates to lighting field, more particularly to a kind of light mixing system.
Background technology
The LED packing forms of miniaturization be CSP will gradually replace traditional 2835,3030,3014 and the encapsulation shape such as COB
Formula, is more and more applied to backlight of LCD and traditional lighting field.CSP (Chip Scale Package) is i.e.
Wafer-level package, the maximum appearance and size of this packing forms is only 1.2 times of chip size, eliminates the gold in conventional package
Line and support, while optimized packaging structure cost has been greatly reduced.
The package dimension of CSP is little, and it is highly less than 0.5mm, and it is that five faces light, and this kind of illumination mode is its matching
Secondary optical lens design increased difficulty：Light-emitting area of the bottom surface of optical lens not above CSP is required, portion is otherwise just had
Light splitting side leakage out, produces veiling glare, such as Fig. 1.For this purpose, some people are by the way of CSP all around white glue, by the luminous change in five faces
It is luminous for one side, it is to avoid to be leaked hunting using producing during secondary lens.But due to there is four sides light to be blocked, only one side is luminous, drop
Low brightness and light efficiency, while also add encapsulation step, and white glue is to the absorption of light and blocks not fully, still has part miscellaneous
Astigmatism leaks hunting out.
The content of the invention
It is an object of the invention to provide a kind of light mixing system, that is, solve the difficulty of Lens Design, lamp bead is solved again
Sidelight problem of leakage.
A kind of light mixing system of the present invention, including：
Pcb board；
Lamp bead, is arranged on the pcb board；
Main lens, is arranged on the lamp bead top；
Assisted parts, is arranged on the bottom periphery of the main lens on the pcb board, and the main lens and the assisted parts are matched somebody with somebody
Conjunction is used, it is to avoid lamp bead sidelight leaks outside.
Preferably, the main lens includes：
Annular bottom surface, is the bottom of the main lens, parallel to the pcb board upper surface；
The free optical surface of annular indent, is arranged on the inward flange of the annular bottom surface；
The free optical surface of annular protrusion, is arranged on the outward flange of the annular bottom surface；
Cylinder, under being arranged on the annular bottom surface, for connecting the main lens and pcb board.
Preferably, the assisted parts includes for attachment lens：
Means of complementary annular bottom surface, is arranged parallel to the pcb board surface；
Incident free optical surface, is arranged on means of complementary annular bottom surface inward flange, for the shape that raises up；
The free optical surface of outgoing, is arranged on means of complementary annular bottom surface outward flange, for the shape that raises up；
Auxiliary circle cylinder, is arranged on the means of complementary annular subjacent, for connecting attachment lens and pcb board.
Preferably, the main lens optical material, the attachment lens is optics of the same race from the main lens or different
Material or reflectorized material.
Preferably, the lamp bead, main lens, assisted parts quantity are identical, correspond installation.
Preferably, the assisted parts is auxiliary reflector.
Preferably, the lamp bead is CSP lamp beads or LED lamp bead.
Preferably, with the vertical pcb board upward direction as 0 °, the main lens reception send from lamp bead -80 ° is extremely
Light beam in the range of 80 °, the assisted parts receives the light beam in the range of -80 ° to -90 ° and 80 ° to 90 ° that lamp bead sends.
It is an advantage of the current invention that
1st, the main lens and attachment lens that this light mixing system is adopted use cooperatively, it is to avoid because the faces of CSP five it is luminous caused by
Sidelight problem of leakage is produced；
2nd, using the catadioptric design of attachment lens, the beam angle of system is expanded；
3rd, used cooperatively by major-minor lens, reduce the light mixing distance of system, be conducive to the slimming of backlight.Can be with
Conventional 25mm is reduced to into 15mm even lower.
4th, increased the distance of main lens bottom and pcb board material, it is to avoid cause optical lens heat to become because heat is too high
The risk of shape.
5th, this light mixing system has compatibility, main lens and auxiliary lens can be used separately, it is to avoid other systems are again
Die sinking and processing charges, that is, saved cost.
Description of the drawings
Structural representation when Fig. 1 assisted parts of the present invention is attachment lens；
Fig. 2 assisted parts of the present invention is auxiliary reflecting cup structure schematic diagram；
Fig. 3 specific embodiment of the invention structural representations；
Fig. 4 specific embodiment of the invention entirety optical effect figure.
Specific embodiment
As shown in figure 1, a kind of light mixing system of the present invention includes：Pcb board 003, lamp bead 005, main lens 001 and auxiliary
Portion；Lamp bead 005 is arranged on pcb board 003；Main lens 001 is arranged on the top of lamp bead 005；Assisted parts is arranged on pcb board 003
The bottom periphery of main lens 001, main lens 001 and assisted parts are used cooperatively, it is to avoid the sidelight of lamp bead 005 leaks outside.
Main lens 001 includes：The free optics of annular bottom surface 007, the free optical surface 003, annular protrusion of annular indent
Curved surface 004, cylinder 006；Annular bottom surface 007 is the bottom of main lens 001, parallel to the upper surface of pcb board 003；Annular indent
Free optical surface 003 be arranged on the inward flange of annular bottom surface 007；The free optical surface 004 of annular protrusion is arranged on ring
On the outward flange of shape bottom surface 007；Cylinder 006 is arranged under annular bottom surface 007, for connecting main lens 001 and pcb board 003.
Shown in Fig. 1, assisted parts includes for attachment lens 002：Means of complementary annular bottom surface 010, incident free optical surface 009,
The free optical surface 011 of outgoing and auxiliary circle cylinder 008；Means of complementary annular bottom surface 010 is arranged parallel to the surface of pcb board 003, incident
Free optical surface 009 is arranged on the inward flange of means of complementary annular bottom surface 010, for the shape that raises up；The free optical surface 011 of outgoing sets
Put in the outward flange of means of complementary annular bottom surface 010, for the shape that raises up；Auxiliary circle cylinder 008 is arranged under means of complementary annular bottom surface 010
Side, for connecting assisted parts and pcb board 003.Lamp bead 005, main lens 001, the quantity of attachment lens 002 can be identical and one by one
Correspondence is installed.
With vertical pcb board upward direction as 0 °, main lens 001 is received in the range of -80 ° to 80 ° that lamp bead sends
Light beam.Assisted parts receives the light beam in the range of -90 ° to -80 ° and 80 ° to 90 ° that CSP sends.Assisted parts is attachment lens
002, main lens 001 and attachment lens 002 are used cooperatively.Main lens 001 is located at the inner space of attachment lens 002, by catadioptric
The form penetrated, expands the beam angle of main lens.Main lens 001 and attachment lens 002 are optical material of the same race, and alternatively two kinds are not
Same optical material, may also be main lens is optical material, and auxiliary lens are reflectorized material.Main lens 001 also can with reference to body compared with
Big LED lamp bead is used alone.
In the present invention, lamp bead 005 can be CSP lamp beads or LED lamp bead.
Such as Fig. 2, assisted parts can also be auxiliary reflector 012.
Specific embodiment, as shown in figure 3, light mixing system is applied to into 32inch TV direct-light-type backlights.Selection uses 5
The light mixing system that 001,5 attachment lenses 002 of main lens and 5 CSP lamp beads are constituted, the every row 5 totally 10 of totally 2 groups, i.e. 2 rows
Main lens, 10 auxiliary lens, 10 CSP lamp beads.Overall optical effect is as shown in Figure 4.
The main lens and attachment lens that this light mixing system is adopted is used cooperatively, it is to avoid caused because the face of CSP lamp beads five is luminous
Sidelight problem of leakage produce；Using the catadioptric design of attachment lens, the beam angle of system is expanded；By major-minor
Mirror is used cooperatively, and reduces the light mixing distance of system, is conducive to the slimming of backlight, can be reduced to conventional 25mm
15mm is even lower.
By cylindrical body supports, increased the distance of main lens bottom and pcb board material, it is to avoid cause because heat is too high
The risk of optical lens thermal deformation.
This light mixing system has compatibility, main lens and auxiliary lens can be used separately, it is to avoid other systems are opened again
Mould and processing charges, that is, saved cost.
The preferred embodiments of the present invention are the foregoing is only, the present invention is not limited to, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (8)
1. a kind of light mixing system, it is characterised in that include：
Pcb board；
Lamp bead, is arranged on the pcb board；
Main lens, is arranged on the lamp bead top；
Assisted parts, is arranged on the bottom periphery of the main lens on the pcb board, and the main lens and the assisted parts coordinate to be made
With, it is to avoid lamp bead sidelight leaks outside.
2. light mixing system according to claim 1, it is characterised in that the main lens includes：
Annular bottom surface, is the bottom of the main lens, parallel to the pcb board upper surface；
The free optical surface of annular indent, is arranged on the inward flange of the annular bottom surface；
The free optical surface of annular protrusion, is arranged on the outward flange of the annular bottom surface；
Cylinder, under being arranged on the annular bottom surface, for connecting the main lens and pcb board.
3. light mixing system according to claim 1, it is characterised in that the assisted parts includes for attachment lens：
Means of complementary annular bottom surface, is arranged parallel to the pcb board surface；
Incident free optical surface, is arranged on means of complementary annular bottom surface inward flange, for the shape that raises up；
The free optical surface of outgoing, is arranged on means of complementary annular bottom surface outward flange, for the shape that raises up；
Auxiliary circle cylinder, is arranged on the means of complementary annular subjacent, for connecting attachment lens and pcb board.
4. according to the arbitrary described light mixing system of claim 3, it is characterised in that the main lens optical material, the auxiliary
Lens are optical material or reflectorized material of the same race from the main lens or different.
5. light mixing system according to claim 1, it is characterised in that the lamp bead, main lens, assisted parts quantity is identical,
Correspond and install.
6. according to the arbitrary described light mixing system of claim 1, it is characterised in that the assisted parts is auxiliary reflector.
7. according to the arbitrary described light mixing system of claim 1-6, it is characterised in that the lamp bead is CSP lamp beads or LED
Pearl.
8. according to the arbitrary described light mixing system of claim 1-4, it is characterised in that be with the vertical pcb board upward direction
0 °, the main lens receives the light beam in the range of -80 ° to 80 ° that lamp bead sends, and the assisted parts is received to be sent out from lamp bead
Light beam in the range of -80 ° for going out to -90 ° and 80 ° to 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610926653.1A CN106641750B (en) | 2016-10-31 | 2016-10-31 | Light mixing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610926653.1A CN106641750B (en) | 2016-10-31 | 2016-10-31 | Light mixing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106641750A true CN106641750A (en) | 2017-05-10 |
| CN106641750B CN106641750B (en) | 2023-10-13 |
Family
ID=58820232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610926653.1A Active CN106641750B (en) | 2016-10-31 | 2016-10-31 | Light mixing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106641750B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340711A (en) * | 2018-10-10 | 2019-02-15 | 华南理工大学 | A kind of light refractive type CSP backlight module lens packages structure and manufacturing method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070284589A1 (en) * | 2006-06-08 | 2007-12-13 | Keat Chuan Ng | Light emitting device having increased light output |
| CN102097423A (en) * | 2009-11-17 | 2011-06-15 | Lg伊诺特有限公司 | Light emitting device package and lighting system |
| CN102818216A (en) * | 2012-06-05 | 2012-12-12 | 佛山市国星光电股份有限公司 | Large-angle lens and large-angle light-emergent LED (Light Emitting Diode) light source module |
| CN104566213A (en) * | 2014-12-02 | 2015-04-29 | 东莞诺思光电科技有限公司 | Flip chip unpackaged light source lens |
| CN104676471A (en) * | 2013-11-29 | 2015-06-03 | 海洋王（东莞）照明科技有限公司 | Lens assembly and LED lamp provided with same |
| CN205354578U (en) * | 2016-01-18 | 2016-06-29 | 深圳市鑫希叶光电有限公司 | Backlight LED lens of advertising lamp box |
| CN206093567U (en) * | 2016-10-31 | 2017-04-12 | 易美芯光（北京）科技有限公司 | Mixed light system |
-
2016
- 2016-10-31 CN CN201610926653.1A patent/CN106641750B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070284589A1 (en) * | 2006-06-08 | 2007-12-13 | Keat Chuan Ng | Light emitting device having increased light output |
| CN102097423A (en) * | 2009-11-17 | 2011-06-15 | Lg伊诺特有限公司 | Light emitting device package and lighting system |
| CN102818216A (en) * | 2012-06-05 | 2012-12-12 | 佛山市国星光电股份有限公司 | Large-angle lens and large-angle light-emergent LED (Light Emitting Diode) light source module |
| CN104676471A (en) * | 2013-11-29 | 2015-06-03 | 海洋王（东莞）照明科技有限公司 | Lens assembly and LED lamp provided with same |
| CN104566213A (en) * | 2014-12-02 | 2015-04-29 | 东莞诺思光电科技有限公司 | Flip chip unpackaged light source lens |
| CN205354578U (en) * | 2016-01-18 | 2016-06-29 | 深圳市鑫希叶光电有限公司 | Backlight LED lens of advertising lamp box |
| CN206093567U (en) * | 2016-10-31 | 2017-04-12 | 易美芯光（北京）科技有限公司 | Mixed light system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340711A (en) * | 2018-10-10 | 2019-02-15 | 华南理工大学 | A kind of light refractive type CSP backlight module lens packages structure and manufacturing method |
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| Publication number | Publication date |
|---|---|
| CN106641750B (en) | 2023-10-13 |
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