CN107355691A - A kind of ultra-thin face shape light-source structure - Google Patents
A kind of ultra-thin face shape light-source structure Download PDFInfo
- Publication number
- CN107355691A CN107355691A CN201710745791.4A CN201710745791A CN107355691A CN 107355691 A CN107355691 A CN 107355691A CN 201710745791 A CN201710745791 A CN 201710745791A CN 107355691 A CN107355691 A CN 107355691A
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- CN
- China
- Prior art keywords
- light
- face shape
- ultra
- substrate layer
- source structure
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- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
-
- 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
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
-
- 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
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/08—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing coloured light, e.g. monochromatic; for reducing intensity of light
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Optics & Photonics (AREA)
- Led Device Packages (AREA)
Abstract
The invention discloses a kind of ultra-thin face shape light-source structure, integral illumination knot can be achieved to design in millimetre-sized ultrathin, including substrate layer, it is characterised in that, diffusion layer is provided with above the substrate layer, a series of spot light that no end liners are provided between diffusion layer and substrate layer is arranged on substrate layer.Compared with prior art, the beneficial effects of the invention are as follows：A kind of ultra-thin face shape light-source structure as described herein, employ being directly loaded up without end liner LED chip in the mode on substrate as spot light for no end liner, add the launch angle of spot light, reduce the clearance requirement of spot light, and uniform sequential mode be set with spot light is pressed on substrate, by rationally setting the spot light gap with mixed light height space correlation, realize preferable even light mixing, and realize that the effect of different colours is presented in same light source by adjusting the parameter of spot light and fluorescence coating, final realize can also simplify structure and reduction holistic cost while the ultrathin design of color-adjustable face shape light source.
Description
Technical field
The present invention relates to a kind of ultra-thin face shape light-source structure, belong to lighting field.
Background technology
At present, LED light source brings huge source benefit and economic benefit in lighting field extensive use.It is but existing
Some LED light source structures come with some shortcomings, and for example, reach preferable Mixed Lights Illumination effect, and small product size is thick and heavy, take empty
Between it is big, usage scenario is limited.By increasing lamp bead arrangement density or although mixed light can be reduced to thickness using secondary lens
It is required that but existing structure still larger bottleneck, and complex manufacturing be present in ultra-thin application design, yields is low, and cost is high.
The content of the invention
It is an object of the invention to provide a kind of ultra-thin face shape light-source structure, asked with solve to propose in above-mentioned background technology
Topic.
To achieve the above object, the present invention provides following technical scheme：
A kind of ultra-thin face shape light-source structure, including substrate layer, the substrate layer top are provided with diffusion layer, substrate layer and diffusion layer
Between be provided with no end liner LED chip.
As the further scheme of the present invention：The diffusion layer upper surface or lower surface or upper and lower surface offer astigmatism knot
Structure.
As further scheme of the invention：The no end liner LED chip covers on other five faces except the base
There is fluorescence coating.
As further scheme of the invention：The no end liner LED chip is using positive cartridge chip, flip-chip or vertical
Chip.
As further scheme of the invention：The no end liner LED chip is evenly spaced on substrate layer.
As further scheme of the invention：The no end liner LED chip is electrically connected on substrate layer.
As further scheme of the invention：The substrate layer upper surface is provided with reflector layer.
As further scheme of the invention：The substrate layer is glass-fiber-plate, aluminium base or flexible board.
Compared with prior art, the beneficial effects of the invention are as follows：A kind of ultra-thin face shape light-source structure as described herein, use
The angle of departure for being directly loaded up, in the mode on substrate, adding spot light as spot light without end liner LED chip without end liner
Degree, reduces the clearance requirement of spot light, and uniform sequential mode be set with spot light is pressed on substrate, by rationally setting
With the spot light gap of mixed light height space correlation so that projected spot of the spot light on diffusion layer incidence surface overlaps, not
Realize preferable even light mixing in the case of using optical lens or astigmatism device, and by adjusting spot light and fluorescence coating
Parameter realizes that the effect of different colours is presented in same light source, may be used also while the ultrathin design for finally realizing color-adjustable face shape light source
Simplify structure and reduce holistic cost.
Brief description of the drawings
Fig. 1 is the cross-sectional view of embodiment hereof 1；
Fig. 2 is the dimensional structure diagram of embodiment hereof 1；
Fig. 3 is the dimensional structure diagram of embodiment hereof 2.
In figure：1- substrate layers, 2- diffusion layers, 3- are without end liner LED chip, 3a- warm whites, 3b- cool white lights, 4- fluorescence coatings.
Embodiment
The technical scheme of this patent is described in more detail with reference to embodiment.
Fig. 1-3, a kind of ultra-thin face shape light-source structure, including substrate layer 1 are referred to, the top of substrate layer 1 is provided with expansion
Layer 2 is dissipated, a series of spot light that no end liners are provided between diffusion layer 2 and substrate layer 1 is arranged on substrate layer 1, substrate layer 1
No end liner LED chip 3 is provided between diffusion layer 2.
The upper surface of diffusion layer 2 or lower surface or upper and lower surface offer diffusing structure.
Covered with fluorescence coating 4 on other five faces of the no end liner LED chip 3 except the base.
The no end liner LED chip 3 is using positive cartridge chip, flip-chip or vertical chip.
The no end liner LED chip 3 is evenly spaced on substrate layer 1.
The no end liner LED chip 3 is electrically connected on substrate layer 1.
The upper surface of substrate layer 1 is provided with reflector layer.
The substrate layer 1 is glass-fiber-plate, aluminium base or flexible board.
The present invention operation principle be：The upper surface of diffusion layer 2 can dissipate directly as the visual appearance of user in the present invention
Photo structure is existing structure, is not repeated again, covered with fluorescence on other five faces of no end liner LED chip 3 except the base
Layer 4, the fluorescence coating 4 are used to adjust light color and colour rendering index, and the no end liner LED chip 3 and the fluorescence coating 4 can after combining
The light of different colours is sent, combinations thereof can be that the adjacent uniformly arrangement of monochrome or polychrome are alternately uniformly arranged, no end liner LED chip
3 as any same color light source when, its arrangement meets L≤2H*tan α, wherein, L for adjacent LED light source luminescent central point it
Between distance, H is the distance between light-emitting area and diffusion layer incidence surface of LED light source, and α is that the transmitting of chip light energy is axial
Angle, no end liner LED chip 3 can reach more than 160 ° of big lighting angle, and reflector layer reflectivity is higher.
Embodiment 1
In the present embodiment, as shown in figure 1, being provided with electric wiring on substrate layer 1 to connect and drive control spot light 3, its choosing
With the two-sided glass circuit board of 0.6mm thickness, while its surface is provided with the reflector layer of high reflectance so that not through diffusion layer
2 light of turning back can be recycled, to improve light efficiency.
Wherein, diffusion layer 2 is made from the PC materials of 1mm thickness, its upper surface directly as the visual outward appearance layer of user,
The lower surface of diffusion layer 2 is the cloudy surface plane of incidence with micro-optical structures, further enhances light mixing effect, and reducing mixed light height will
Ask.
Wherein, no end liner LED chip 3 uses blue-ray LED flip-chip, is highly 0.2mm, enters row matrix with identical spacing
Formula is arranged, and its underrun electrical connection is arranged on the upper surface of substrate layer 1, and due to eliminating end liner and supporting structure, chip can
To realize more than 160 ° of lighting angle, from formula L≤2H*tan α, larger lighting angle will be greatly reduced to a light
Source spacing L requirement and the requirement to mixed light height H, wherein, L is the distance between adjacent LED light source luminescent central point, and H is
The distance between light-emitting area and diffusion layer incidence surface of LED light source, α are that chip light energy launches axial angle.
Meanwhile the fluorescence coating 4 covered with regulation light source colour and colour rendering index on five faces of no end liner LED chip 3, its
Whole height is 0.4mm.When LED launches blue light, white light is uniformly mixed into after exciting the fluorescent material of cladding.Multiple spot white light source is thrown
Penetrate on the upper surface of diffusion layer 2 and overlap, after the astigmatism effect of diffusion layer 2, by upper surface uniformly light-emitting so that Duo Gewu
End liner LED chip 3 can realize that ultra-thin, high colour gamut, specular removal and uniform area source regard in the case of without secondary optical lens
Feel effect.
Wherein, the painting method of fluorescence coating 4 may include the sides such as spraying, fluorescent glue coating, flourescent sheet attachment, fluorescent film pressing
Formula.
To sum up, in this example, when the spacing L without end liner LED point light source 3 is 2mm, you can when H is 1mm realize compared with
Good uniform mixed light effect, final overall light source thickness is 3mm.
Embodiment 2
The present embodiment difference from Example 1 is, as shown in figure 3, fluorescence coating 4 is arranged to two kinds of different fluorescent material proportionings,
To realize by without end liner LED chip 3 and the light for launching two kinds of different-colours after different fluorescence coating mixed lights, including one
Between spacing holding 2mm, cool white light 3b between kind low color warm white light 3a and a kind of high color temperature cool white light 3b, warm white 3a
Spacing equally remains 2mm, then by realizing switching of the light source under different-colour to the drive control of different-colour light source.
To sum up, in this example, by using different fluorescence coatings 4 to realize different light source color temperatures, the design is not increasing
Add mixed light height and loss light mixing effect on the premise of, realize switching of the same face shape light source between different colours, and begin
The ultrathin design that the light source thickness is 3mm, the application scenarios greatly increased are kept eventually.
Embodiment 1 and embodiment 2 are by simply to place multiple five faces among substrate layer and diffusion layer covered with glimmering
The structure without end liner wide-angle spot light of photosphere, it is real on the premise of even light mixing and specular removal and high colour gamut is ensured
The ultra-thin face shape light source that integral thickness is 3mm is showed.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (8)
1. a kind of ultra-thin face shape light-source structure, including substrate layer, it is characterised in that diffusion layer is provided with above the substrate layer,
No end liner LED chip is provided between substrate layer and diffusion layer.
A kind of 2. ultra-thin face shape light-source structure according to claim 1, it is characterised in that the diffusion layer upper surface or under
Surface or upper and lower surface offer diffusing structure.
3. a kind of ultra-thin face shape light-source structure according to claim 1, it is characterised in that the no end liner LED chip is removed
Covered with fluorescence coating on other five faces outside bottom surface.
4. a kind of ultra-thin face shape light-source structure according to claim 1, it is characterised in that the no end liner LED chip is adopted
With positive cartridge chip, flip-chip or vertical chip.
5. a kind of ultra-thin face shape light-source structure according to claim 1, it is characterised in that the no end liner LED chip is equal
Even arrangement is on the substrate layer.
A kind of 6. ultra-thin face shape light-source structure according to claim 1, it is characterised in that the no end liner LED chip electricity
Gas is connected on substrate layer.
7. a kind of ultra-thin face shape light-source structure according to claim 1, it is characterised in that the substrate layer upper surface is set
There is reflector layer.
A kind of 8. ultra-thin face shape light-source structure according to claim 1, it is characterised in that the substrate layer be glass-fiber-plate,
Aluminium base or flexible board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710745791.4A CN107355691A (en) | 2017-08-26 | 2017-08-26 | A kind of ultra-thin face shape light-source structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710745791.4A CN107355691A (en) | 2017-08-26 | 2017-08-26 | A kind of ultra-thin face shape light-source structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107355691A true CN107355691A (en) | 2017-11-17 |
Family
ID=60289246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710745791.4A Pending CN107355691A (en) | 2017-08-26 | 2017-08-26 | A kind of ultra-thin face shape light-source structure |
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| Country | Link |
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| CN (1) | CN107355691A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010086770A (en) * | 2008-09-30 | 2010-04-15 | Toppan Printing Co Ltd | Backlight unit |
| CN102147074A (en) * | 2010-02-10 | 2011-08-10 | 深圳帝光电子有限公司 | Direct type ultrathin LED backlight module |
| CN102478178A (en) * | 2010-11-23 | 2012-05-30 | 深圳帝光电子有限公司 | Direct type ultrathin light emitting diode (LED) backlight module and display terminal |
| CN103244872A (en) * | 2013-05-10 | 2013-08-14 | 晶科电子（广州）有限公司 | Lens-free ultra-thin direct type backlight module |
| CN106641900A (en) * | 2017-03-13 | 2017-05-10 | 深圳市李白照明科技有限公司 | Straight down-type ultrathin panel light |
-
2017
- 2017-08-26 CN CN201710745791.4A patent/CN107355691A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010086770A (en) * | 2008-09-30 | 2010-04-15 | Toppan Printing Co Ltd | Backlight unit |
| CN102147074A (en) * | 2010-02-10 | 2011-08-10 | 深圳帝光电子有限公司 | Direct type ultrathin LED backlight module |
| CN102478178A (en) * | 2010-11-23 | 2012-05-30 | 深圳帝光电子有限公司 | Direct type ultrathin light emitting diode (LED) backlight module and display terminal |
| CN103244872A (en) * | 2013-05-10 | 2013-08-14 | 晶科电子（广州）有限公司 | Lens-free ultra-thin direct type backlight module |
| CN106641900A (en) * | 2017-03-13 | 2017-05-10 | 深圳市李白照明科技有限公司 | Straight down-type ultrathin panel light |
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Application publication date: 20171117 |