CN101452920A - Light emitting unit - Google Patents
Light emitting unit Download PDFInfo
- Publication number
- CN101452920A CN101452920A CNA2008100804708A CN200810080470A CN101452920A CN 101452920 A CN101452920 A CN 101452920A CN A2008100804708 A CNA2008100804708 A CN A2008100804708A CN 200810080470 A CN200810080470 A CN 200810080470A CN 101452920 A CN101452920 A CN 101452920A
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- Prior art keywords
- light
- luminescence unit
- tube body
- transmitting tube
- crystal particle
- Prior art date
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L2224/85—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a wire connector
- H01L2224/85909—Post-treatment of the connector or wire bonding area
- H01L2224/8592—Applying permanent coating, e.g. protective coating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/181—Encapsulation
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Abstract
The invention relates to a luminescent unit, which comprises a light-transmitting tube body, at least one circuit substrate, a plurality of LED grains and at least two connecting electrodes, wherein the light-transmitting tube body has a hermetic space; the circuit substrate is arranged in the hermetic space of the light-transmitting tube body; the LED grains are in inverted joint or routed joint with the circuit substrate; and the connecting electrodes are arranged on at least one end of the circuit substrate and are electrically connected with the LED grains.
Description
Technical field
The present invention relates to a kind of luminescence unit, particularly about a kind of luminescence unit with confined space.
Background technology
Because light-emitting diode (Light Emitting Diode LED) has advantages such as high brightness and power saving, therefore, along with the technology of light-emitting diode is ripe gradually, its application also more and more widely, for example lighting apparatus and backlight.
Please refer to shown in Figure 1ly, a kind of existing luminescence unit 1 comprises a circuit substrate 11, a plurality of LED crystal particle 12, an adhesive body 13 and a reflection housing (lamp house) 14.Wherein, LED crystal particle 12 is arranged on the circuit substrate 11, and the mode and the circuit substrate 11 that utilize routing to engage (wirebonding) electrically connect.Adhesive body 13 is a light transmissive material, and in order to protection LED crystal particle 12, reflection housing 14 is in order to reflect the light direction of concentrating LED crystal particle 12.
In the prior art, when LED crystal particle 12 is luminous, it can produce a large amount of heat energy, and the thermal coefficient of expansion of the material of the adhesive body 13 after LED crystal particle 12, the curing, circuit substrate 11 and reflection housing 14 4 is also inequality, therefore will cause the lead W that is folded between LED crystal particle 12, adhesive body 13, circuit substrate 11 and the reflection housing 14, be squeezed or pull and produce the distortion or the fracture, and then may cause the situation that LED crystal particle 12 can't be luminous, also can make luminescence unit 1 produce defective.Wherein, the influence that thermal expansion degree difference is caused, especially even more serious in luminescence unit with large tracts of land adhesive body.
In addition, the prior art framework also can not improve the problem of LED heat radiating.The PN interface (junction) that temperature is the highest still is coated among the adhesive body of high thickness, therefore can only be by heat exchange pattern with heat guiding structure to circuit substrate.
Therefore, how to provide a kind of lead that can avoid LED crystal particle because of the different luminescence units that produce fracture of thermal expansion degree between adhesive body material, LED crystal particle and the circuit substrate, and the luminescence unit that can improve heat radiation, become one of important topic.
Summary of the invention
Because above-mentioned problem, goal of the invention of the present invention is to overcome the deficiencies in the prior art and defective, proposes a kind of lead that can avoid LED crystal particle because of the different luminescence units that produce fracture of material thermal expansion degree between adhesive body, LED crystal particle and the circuit substrate.
Because above-mentioned problem another object of the present invention is to, a kind of luminescence unit that can improve the radiating effect of LED crystal particle is proposed.
For reaching above-mentioned purpose, the invention provides a kind of luminescence unit, comprise a light-transmitting tube body, at least one circuit substrate, a plurality of LED crystal particle and at least two connection electrode.Light-transmitting tube body is to the small part printing opacity, and has a confined space.Circuit substrate is arranged at the confined space of light-transmitting tube body.Described LED crystal particle flip-chip bonded or routing are engaged on the circuit substrate.Described connection electrode and described LED crystal particle electrically connect.
From the above, the present invention has following useful technique effect: because of foundation a kind of luminescence unit of the present invention places LED crystal particle in the confined space of light-transmitting tube body, so luminescence unit does not need to utilize high thickness adhesive body with the whole coating of LED crystal particle again.Can protect LED crystal particle not to be subjected to the influence of external environment factors such as aqueous vapor or dust by light-transmitting tube body, and can avoid the lead that is connected between LED crystal particle and circuit substrate, be squeezed or pull and produce the situation of distortion or fracture.In addition, after LED crystal particle has been lacked the obstruct of high thickness adhesive body, its heat dissipation path is except doing the heat radiation via the below circuit substrate, also can directly dispel the heat via the top, as if filling noble gas, liquid state colloid, elastic gel or oleaginous fluid etc. in confined space, then more can improve the radiating effect of described LED crystal particle by the thermal convection effect of gas or fluid again.
In addition, luminescence unit of the present invention more can comprise a reflector and a fluorescent transition material.The light-transmitting tube body that is provided with the reflector and can make light that a plurality of LED crystal particle sends prior to carrying out mixed light in the light-transmitting tube body, so that luminescence unit can send uniform light source except that the light extraction efficiency that can increase fixed-direction.The fluorescent transition material then can be in order to change the light color that of luminescence unit, to increase the range of application of luminescence unit.
Description of drawings
Fig. 1 is a kind of existing luminescence unit schematic diagram;
Fig. 2 is a kind of luminescence unit schematic diagram of first embodiment of the invention;
Fig. 3 is another variation aspect schematic diagram of luminescence unit of first embodiment of the invention;
Fig. 4 is the another variation aspect of the luminescence unit of a first embodiment of the invention schematic diagram;
Fig. 5 A is the luminescence unit schematic diagram of second embodiment of the invention, and Fig. 5 B is the luminescence unit profile along the A-A straight line among Fig. 5 A;
Fig. 6 A and Fig. 6 B are a variation aspect schematic diagram of the luminescence unit of second embodiment of the invention;
Fig. 7 is another variation aspect schematic diagram of the luminescence unit of second embodiment of the invention;
Fig. 8 A to Fig. 8 D is that the difference that reflector of the present invention is arranged on the circuit substrate changes the aspect schematic diagram;
Fig. 9 is the another variation aspect schematic diagram of the luminescence unit of second embodiment of the invention;
Figure 10 A and Figure 10 B are the schematic diagram of the luminescence unit of third embodiment of the invention;
Figure 11 is another variation aspect schematic diagram of the luminescence unit of third embodiment of the invention.
Symbol description among the figure
1,2,2A, 4 luminescence units
11,22,32,42 circuit substrates
12,23,33,43 LED crystal particle
13,27 adhesive bodies
14, L reflection housing
21,41 light-transmitting tube body
211,411 confined spaces
24,44 connection electrode
241 plain conductors
25,25A～25C, 35,35A～35E, 45 reflector
251 peristomes
412,412A, 413 casing members
26,46 fluorescent transition materials
The A-A straight line
The S lens arrangement
T phosphor body adhesive tape
The T1 adhesion layer
The T2 fluorescent layer
The W lead
Embodiment
Hereinafter with reference to relevant drawings, illustrate that wherein components identical will be illustrated with identical reference marks according to a kind of luminescence unit of the present invention.
First embodiment
Please refer to shown in Figure 2ly, a kind of luminescence unit 2 of first embodiment of the invention comprises light-transmitting tube body 21, a circuit substrate 22, a plurality of LED crystal particle 23 and at least two connection electrode 24.
Light-transmitting tube body 21 is to the small part printing opacity, and has a confined space 211, and in other words, light-transmitting tube body 21 can have a transmittance section and a non-transmittance section, but meaning is that light-transmitting tube body 21 part printing opacities, part are light tight, certainly also whole printing opacity of light-transmitting tube body 21.Confined space 211 can be vacuum or is filled with gas, for example is filled with noble gas (inert gas) or nitrogen.In addition, but confined space 211 also a filling colloid or a fluid, and wherein colloid is liquid state colloid or elastic gel for example, and fluid for example is an oleaginous fluid, and the refractive index of liquid state colloid, elastic gel or oleaginous fluid is greater than 1.3.In addition, when the surface of light-transmitting tube body 21 is curved surface, the refractive index of liquid state colloid, elastic gel or oleaginous fluid can cause the function of light harvesting thus more than or equal to the refractive index of the transmittance section of light-transmitting tube body 21, makes the exiting surface of light-transmitting tube body 21 form the effect of similar convex lens.
The generation type of above-mentioned confined space 211 can be utilized fusion or mode such as gummed, and wherein, the gummed mode comprises air dry after hot curing after ultraviolet light polymerization after the sealing, the sealing, the sealing, mode such as sealing curing is installed behind the lid finishes.
In the present embodiment, the material of the transmittance section of light-transmitting tube body 21 for example be macromolecule polymeric material, glass or quartzy at least one of them, but not the material of transmittance section for example be macromolecule polymeric material, pottery or metal at least one of them.Wherein, optional self-polystyrene (the polystyrene of macromolecule polymeric material, PS), Merlon (polycarbonate, PC), MS (methylstyrene, MS), polymethyl methacrylate (polymethylmethacrylate, PMMA) or acrylonitrile-butadiene-phenylethylene (Acrylonitrile Butadiene Styrene, ABS) at least one of them.In addition, if light-transmitting tube body 21 is a metal material, then the exiting surface in LED crystal particle 23 has an opening, and it is the transmittance section, so that light penetrates.Because metal itself has advantages such as high reflectance, better heat radiating effect and easy machine-shaping, can increase the range of application of luminescence unit 2 thus.
The light-transmitting tube body 21 a plurality of scattering objects (scattering center) that also can mix, it can be scattering particles or scattering bubble, to increase the effect of light diffusion.Wherein, the material of scattering particles can utilize organic scattering object or the inorganic scattering object different with the refractive index of light-transmitting tube body 21, for example barium sulfate (BaSO
4), silicon dioxide (SiO
2) or aluminium oxide (Al
2O
3) etc.Again, light-transmitting tube body 21 for example is vertical bar type (strip type), and its cross sectional shape for example is circle, ellipse, triangle, quadrangle, polygon or irregular shape, in present embodiment, is that example explains with the circle.
From the above, please refer to shown in Figure 2ly, because described LED crystal particle 23 is positioned at the confined space 211 of light-transmitting tube body 21, therefore, the luminescence unit 2 of present embodiment does not need to utilize high thickness adhesive body with described LED crystal particle 23 whole coatings again.Can protect described LED crystal particle 23 not to be subjected to the influence of external environment factors such as aqueous vapor or dust by light-transmitting tube body 21, and can avoid 22 leads that are connected of each LED crystal particle 23 and circuit substrate to be squeezed or pull and produce the distortion or the fracture situation.In addition, after described LED crystal particle 23 has been lacked the obstruct of high thickness adhesive body, its heat dissipation path is except that doing the heat radiation via below circuit substrate 22, also can directly dispel the heat via the top, as if filling gas, liquid state colloid, elastic gel or oleaginous fluid etc. in light-transmitting tube body 21, then more can improve the radiating effect of described LED crystal particle 23 by the thermal convection effect of gas or fluid again.
The luminescence unit of present embodiment also can utilize adhesive body that part is covered in single LED crystal particle as the light extraction efficiency that improves LED crystal particle and go out the function of optical range.Please refer to shown in Figure 4ly, luminescence unit 2 more comprises at least one adhesive body 27, and it covers at least a portion area of one of them at least of described LED crystal particle 23, meaning promptly, adhesive body 27 does not coat LED crystal particle 23 fully.Wherein, adhesive body 27 can cover the exiting surface of LED crystal particle 23, or covers the contact point of LED crystal particle 23 and at least one lead W, and adhesive body 27 does not cover lead W fully.
Adhesive body 27 can be a multilayer refraction materials structure, its material behavior be along with the distance of each LED crystal particle 23 from the near to the remote, the refractive index of material is arranged from large to small.Therefore, by the characteristic of adhesive body 27 multilayer refraction materials structures, can avoid taking place easily between described LED crystal particle 23 interfaces light extraction efficiency that total reflection caused and descend, and then the light extraction efficiency of luminescence unit 2 is improved.
Second embodiment
Please be simultaneously with reference to shown in Fig. 5 A and Fig. 5 B, wherein Fig. 5 B is the profile along the A-A straight line among Fig. 5 A.The luminescence unit 2A of second embodiment of the invention and the difference of first embodiment are: luminescence unit 2A more comprises a reflecting part and a fluorescent transition material 26.Wherein, reflecting part can be the part of light-transmitting tube body 21, or adds a reflector 25 as described in present embodiment.
In the present embodiment, reflector 25 is arranged at the outer surface of light-transmitting tube body 21, and it also has at least one peristome 251, and peristome 251 is corresponding to an exiting surface of described LED crystal particle 23.It is one of them of ultraviolet light wave band (200-400nm), visible light blue wave band (400-480nm) or visible light all band (400-780nm) that the material in reflector 25 is selected from reflecting spectrum, and its reflectivity is at least greater than more than 50%.In addition, reflector 25 can utilize titanium dioxide (TiO
2), barium sulfate (BaSO
4) or aluminium oxide (Al
2O
3) wait material and be formed at the outer surface of light-transmitting tube body 21 with coating or printing, or above-mentioned material is added in the plastic material, form reflector 25 to extrude modes such as shaping, injection molded again.Again, reflector 25 also can be reached in the outer surface of light-transmitting tube body 21 by a reflection diaphragm, an eyeglass or a multicoating material are set.
Can concentrate the light direction of luminescence unit 2A by the setting in reflector 25, and the light that can utilize reflector 25 that described LED crystal particle 23 is sent penetrates behind the mixed light prior to carrying out in the light-transmitting tube body 21 again, so that luminescence unit 2A can send uniform light source.Can change the light color that goes out of luminescence unit 2A by 26 of fluorescent transition materials again.
In addition, please refer to shown in Fig. 6 A, reflector 25A also can be arranged at the inner surface of light-transmitting tube body 21, and reflector 25A also has peristome 251, it is corresponding to the exiting surface of described LED crystal particle 23, and fluorescent transition material 26 also can be arranged at inner surface or outer surface corresponding to the light-transmitting tube body 21 of peristome 251.In this is that example explains with the inner surface that is arranged at corresponding to the light-transmitting tube body 21 of peristome 251 then.Again, please refer to shown in Fig. 6 B, also can the while reflector 25B and reflector 25C be set in the inner surface and the outer surface of light-transmitting tube body 21.Be noted that, be arranged at the reflector 25B of the inner surface of light-transmitting tube body 21 and outer surface and reflector 25C for shifting to install, but should avoid covering the peristome 251 that bright dipping is used.
Please refer to shown in Figure 7, the fluorescent transition material also can change to utilize a phosphor body adhesive tape (phosphor tape) T to replace, phosphor body adhesive tape T is arranged to the outer surface and/or the inner surface of the light-transmitting tube body 21 of small part, is to be that example explains to paste the outer surface that is arranged at light-transmitting tube body 21 in this phosphor body adhesive tape T.Phosphor body adhesive tape T for example has an adhesion layer T1 and a fluorescent layer T2, then is doped with phosphor body among the fluorescent layer T2, light color to change.Be noted that wherein phosphor body adhesive tape T can be by different forming according to different demands.
In addition, above-mentioned reflector is the example explanation to be arranged at light-transmitting tube body, yet the reflector also can be arranged at the surface of circuit substrate.Below, please refer to shown in Fig. 8 A to Fig. 8 D, it is the major axis profile of a circuit substrate 32.Clearly demonstrate for asking, all omit light-transmitting tube body in the following icon, so when practical application, circuit substrate 32 must be arranged in the light-transmitting tube body.
Shown in Fig. 8 A to Fig. 8 D, circuit substrate 32 one of surface or facing surfaces be provided with a plurality of LED crystal particle 33, and same as the previously described embodiments, LED crystal particle 33 can flip-chip bonded or routing be engaged on the circuit substrate 32, be example with the flip-chip bonded in this.
Please refer to shown in Fig. 8 A, a reflector 35 be arranged at described LED crystal particle 33 on the circuit substrate 32 around.Utilize reflector 35 can increase the utilance of described LED crystal particle 33 emitted lights thus by the light reflection of LED crystal particle 33 circuit substrate that is emitted to 32.Wherein, the material in the reflector in the material in reflector 35 and the foregoing description is identical, repeats no more in this.
In addition, please refer to shown in Fig. 8 B, if circuit substrate 32 is when be transparency carrier, reflector 35A can be arranged at the opposite another side of circuit substrate 32 and described LED crystal particle 33, to reflect the light that LED crystal particle 33 is launched.
Then, please refer to shown in Fig. 8 C, the mode that described LED crystal particle 33 can misplace is arranged at the tow sides of circuit substrate 32 respectively, in this, can respectively a reflector 35B, 35C be arranged at respectively circuit substrate 32 double-edged described LED crystal particle 33 around.Again, please refer to shown in Fig. 8 D, described LED crystal particle 33 can also contraposition mode be arranged at the tow sides of circuit substrate 32 respectively, in this, can respectively a reflector 35D, 35E be arranged at respectively circuit substrate 32 the described LED crystal particle 33 of tow sides around.Be noted that being provided with of reflector is non-for restricted, also can only be arranged at according to different designs part LED crystal particle 33 around.
In addition, please refer to shown in Figure 9ly, the above LED crystal particle 33 peripheries of circuit substrate 32 also can be provided with reflection housing (lamp house) L, thus can be in order to reflect the light direction of concentrating LED crystal particle 33.
The 3rd embodiment
From the above, the light-transmitting tube body of luminescence unit also can be made of at least two casing members except that can being formed in one as mentioned above.Please refer to shown in Figure 10 A and Figure 10 B, a light-transmitting tube body 41 of luminescence unit 4 is made of 412,413 of two casing members.Be provided with a plurality of LED crystal particle 43 and two connection electrode 44 on the circuit substrate 42 equally, and circuit substrate 42 is folded between two casing members 412,413.Wherein, a reflector 45 can be provided with or be formed on the circuit substrate 42, and a fluorescent transition material 46 then can be provided with or be formed at casing member 412, so its non-be restricted, it changes aspect also can be with reference to the foregoing description.In addition, because light-transmitting tube body 41 can have a transmittance section and a non-transmittance section, meaning gets final product the part printing opacity, part is light tight, therefore also but part printing opacity, part are light tight for casing member 412,413, for example the casing member under circuit substrate 42 413 can be light tight, so its non-in order to the restriction the present invention.
Described casing member 412,413 utilizes mode combinations such as gummed or fusion after correspondence is provided with, to form confined space 411.Wherein, the gummed mode comprises after ultraviolet light polymerization after the sealing, the sealing air dry etc. after hot curing or the sealing.In addition, described casing member 412,413 also can be done combination with gummed or fusion mode more earlier with after sealed or the engaging combination.
In addition, please refer to shown in Figure 11, if the hull shape on described LED crystal particle 43 exiting surfaces is triangle, quadrangle, polygon or irregular shape etc., the outer surface or the inner surface of the housing on then corresponding each LED crystal particle 43 can have a lens arrangement S, by the structure of different lens, so that the light that LED crystal particle 43 is sent produces the effect of optically focused or astigmatism.Is that example explains in this with the outer surface that lens arrangement S is arranged at casing member 412A, and so it is non-limiting.
In sum, because of foundation a kind of luminescence unit of the present invention places LED crystal particle in one confined space of light-transmitting tube body, so luminescence unit does not need to utilize high thickness adhesive body with the whole coating of LED crystal particle again.Can protect LED crystal particle not to be subjected to the influence of external environment factors such as aqueous vapor or dust by light-transmitting tube body, and can avoid the lead that is connected between LED crystal particle and circuit substrate, be squeezed or pull and produce the situation of distortion or fracture.In addition, after LED crystal particle has been lacked the obstruct of high thickness adhesive body, its heat dissipation path is except that doing the heat radiation via the below circuit substrate, also can directly dispel the heat via the top, as if filling noble gas, colloid or fluid etc. in confined space, then more can improve the radiating effect of described LED crystal particle by the thermal convection effect of gas or fluid again.
In addition, luminescence unit of the present invention more can comprise a reflector and a fluorescent transition material.Be provided with on the light-transmitting tube body in reflector except that the light extraction efficiency that can increase fixed-direction, and can make light that a plurality of LED crystal particle sends prior to carrying out mixed light in the light-transmitting tube body, so that luminescence unit can send uniform light source.The fluorescent transition material then can be in order to change the light color that of luminescence unit, to increase the range of application of luminescence unit.The fluorescent transition material more can change to utilize the phosphor body adhesive tape to replace, and increases processing procedure efficient and production reliability.
The above only is an illustrative, but not is restricted.Anyly do not break away from spirit of the present invention and category, and, all should be contained in the scope of claims its equivalent modifications of carrying out or change.
Claims (26)
1. a luminescence unit is characterized in that, comprises:
One light-transmitting tube body to the small part printing opacity, and has a confined space;
At least one circuit substrate is arranged at this confined space of this light-transmitting tube body;
A plurality of LED crystal particle, flip-chip bonded or routing are engaged on this circuit substrate; And
At least two connection electrode electrically connect with described LED crystal particle.
2. luminescence unit as claimed in claim 1, wherein, this light-transmitting tube body has a transmittance section and a non-transmittance section.
3. luminescence unit as claimed in claim 2, wherein, the material of this transmittance section comprise macromolecule polymeric material, glass or quartzy at least one of them.
4. luminescence unit as claimed in claim 2, wherein, the material of this non-transmittance section comprise macromolecule polymeric material, pottery or metal at least one of them.
5. luminescence unit as claimed in claim 1, wherein, this light-transmitting tube body has a plurality of scattering objects.
6. luminescence unit as claimed in claim 1, wherein, this light-transmitting tube body comprises at least two casing members, and it makes up mutually to form this light-transmitting tube body.
7. luminescence unit as claimed in claim 1, wherein, the cross sectional shape of this light-transmitting tube body is circle, ellipse, triangle, quadrangle, polygon or irregular shape.
8. luminescence unit as claimed in claim 1, wherein, this light-transmitting tube body is the vertical bar type.
9. luminescence unit as claimed in claim 1 wherein, more comprises:
One gas, filling is in this confined space.
10. luminescence unit as claimed in claim 9, wherein, this gas is nitrogen or noble gas.
11. luminescence unit as claimed in claim 1 wherein, more comprises:
A colloid or a fluid, filling is in this confined space.
12. luminescence unit as claimed in claim 11, wherein, the refractive index of this colloid or this fluid is greater than 1.3.
13. luminescence unit as claimed in claim 11, wherein, the refractive index of this colloid or this fluid is more than or equal to the refractive index of a transmittance section of this light-transmitting tube body.
14. luminescence unit as claimed in claim 11 wherein, more comprises:
One fluorescent transition material is entrained in this colloid or this fluid.
15. luminescence unit as claimed in claim 1, wherein, this circuit substrate is a glass substrate, a resin substrate, a ceramic substrate or a metal substrate.
16. luminescence unit as claimed in claim 1 wherein, more comprises:
At least one adhesive body, it covers at least a portion area of one of them at least of described LED crystal particle.
17. luminescence unit as claimed in claim 1, wherein, the emission spectrum of described LED crystal particle comprises visible-range and/or ultraviolet light range.
18. luminescence unit as claimed in claim 1, wherein, described connection electrode is arranged at an end of this circuit substrate or is arranged at the two ends of this circuit substrate respectively.
19. luminescence unit as claimed in claim 1, wherein, described connection electrode is electrically connected to this light-transmitting tube body outside.
20. luminescence unit as claimed in claim 1, wherein, at least one connection electrode is electrically connected to this light-transmitting tube body outside via a plain conductor.
21. luminescence unit as claimed in claim 1, wherein, at least one connection electrode directly extends to this light-transmitting tube body outside.
22. luminescence unit as claimed in claim 1, wherein, this light-transmitting tube body has more a reflecting part.
23. luminescence unit as claimed in claim 1 wherein, more comprises:
One reflector is arranged at an outer surface and/or the inner surface of this light-transmitting tube body of part.
24. luminescence unit as claimed in claim 1 wherein, more comprises:
One reflector is arranged at this circuit substrate.
25. luminescence unit as claimed in claim 1 wherein, more comprises:
At least one fluorescent transition material is arranged to an outer surface and/or an inner surface of this light-transmitting tube body of small part and/or is doped in this light-transmitting tube body.
26. luminescence unit as claimed in claim 1 wherein, more comprises:
At least one phosphor body adhesive tape is arranged to an outer surface and/or an inner surface of this light-transmitting tube body of small part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100804708A CN101452920B (en) | 2007-12-06 | 2008-02-19 | Light emitting unit |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710193352.3 | 2007-12-06 | ||
| CN200710193352 | 2007-12-06 | ||
| CN2008100804708A CN101452920B (en) | 2007-12-06 | 2008-02-19 | Light emitting unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101452920A true CN101452920A (en) | 2009-06-10 |
| CN101452920B CN101452920B (en) | 2011-03-16 |
Family
ID=40735058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100804708A Expired - Fee Related CN101452920B (en) | 2007-12-06 | 2008-02-19 | Light emitting unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101452920B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102222749A (en) * | 2010-04-19 | 2011-10-19 | 展晶科技(深圳)有限公司 | Light emitting component and module thereof |
| CN102338349A (en) * | 2010-07-16 | 2012-02-01 | 日东电工株式会社 | Component for light-emitting device, light-emitting device and producing method thereof |
| CN104425657A (en) * | 2013-09-11 | 2015-03-18 | 广镓光电股份有限公司 | Light emitting diode assembly and related lighting device |
| TWI512236B (en) * | 2013-04-18 | 2015-12-11 | 新世紀光電股份有限公司 | Illumination device |
-
2008
- 2008-02-19 CN CN2008100804708A patent/CN101452920B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102222749A (en) * | 2010-04-19 | 2011-10-19 | 展晶科技(深圳)有限公司 | Light emitting component and module thereof |
| CN102338349A (en) * | 2010-07-16 | 2012-02-01 | 日东电工株式会社 | Component for light-emitting device, light-emitting device and producing method thereof |
| TWI512236B (en) * | 2013-04-18 | 2015-12-11 | 新世紀光電股份有限公司 | Illumination device |
| CN104425657A (en) * | 2013-09-11 | 2015-03-18 | 广镓光电股份有限公司 | Light emitting diode assembly and related lighting device |
| JP2015056666A (en) * | 2013-09-11 | 2015-03-23 | 廣▲ジャー▼光電股▲ふん▼有限公司 | Light emitting module and illuminating device relating to the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101452920B (en) | 2011-03-16 |
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