CN101262033A - Lighting part - Google Patents
Lighting part Download PDFInfo
- Publication number
- CN101262033A CN101262033A CNA2007100854295A CN200710085429A CN101262033A CN 101262033 A CN101262033 A CN 101262033A CN A2007100854295 A CNA2007100854295 A CN A2007100854295A CN 200710085429 A CN200710085429 A CN 200710085429A CN 101262033 A CN101262033 A CN 101262033A
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- CN
- China
- Prior art keywords
- light
- green phosphor
- chip
- chips
- blue chip
- 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.)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
Abstract
The invention relates to a light-emitting component which essentially combines at least a blue light chip and at least a red light chip on a bearing frame, wherein, a green phosphor is covered on at least one blue light chip and at least one red light chip. The major composition of the green phosphor is aluminate and the chemical formula of the green phosphor is M1-xEuxAlyO1+3y/2, wherein, M is a divalent metal selected from groups composed by Ba, Sr, Ca, Mg, Mn, Zn, Cu, Cd, Sm and Tm; x is more than 0.1 and less than 0.9 and y is more than or equal to 0.5 and less than or equal to 12; therefore, light emitting from the blue light chip and the red light chip penetrates the green phosphor so as to produce the light source of white light.
Description
Technical field
The present invention relates to a kind of light-emitting component, relate in particular to a kind ofly, see through green phosphor producing white light source, and be suitable for being applied in light-emitting diode or similar structure by the light that blue chip and red light chips sent.
Background technology
General light-emitting diode mostly is monochromatic light, as red, green, blue ... etc., if desire produces the form of white light that can see with human eyes, could form the white light of finding of naked eye at least after then needing the above light of two kinds of colors (wavelength) to mix, after being mixed, three primary colors " ruddiness+green glow+blue light " are white light, or utilize complementary colours, also can form white light as " blue light (Blue)+gold-tinted (Yellow) " or " blue or green light (Cyan)+ruddiness (Red) ".
Wherein utilize execution mode that three primary colors are mixed into white light for using red, green, blue look luminescence chip simultaneously, and by crossing the exciting to blend white light of different electric currents; As shown in Figure 4, this kind white light-emitting diodes major technique is that red, blue, green three-colour light-emitting chip A1, A2, A3 are encapsulated in the package body C, wherein and enclose a control chip E, this crystalline substance line B is the lead-in wire of connection three luminescence chip A1, A2, A3 and control chip E, and pin D is the usefulness that itself and the external world are connected.
Yet, said structure must have red, blue, green three-colour light-emitting chip simultaneously, its cost is higher, make and be difficult for, and its zone that can send white light must be the luminous common factor of three chips place, and the inventor is because the defective of said structure, to be engaged in this cause experience for many years, and study intensively, hope can provide a kind of reducing cost, and improves the brightness light-emitting component of convenient enforcement again, consumption is popular to be used to provide, and desires to grind the invention motivation of wound for the present invention.
Summary of the invention
The present invention's main purpose, be to provide a kind of light-emitting component, this light-emitting component produces white light source by the light transmission green phosphor that blue chip and red light chips sent, and produces the cost and raising white brightness of the light-emitting diode of white light with reduction, and then increases the practicality of integral body.
For reaching above-mentioned purpose, the technical characterictic that the present invention adopts is as follows:
A kind of light-emitting component mainly is combined with at least one blue chip and at least one red light chips on carrier, wherein be coated with green phosphor on this at least one blue chip and at least one red light chips, and this green phosphor is based on aluminate, and its chemical formula is M
1-xEu
xAl
yO
1+3y/2, wherein M is at least a divalent metal of selecting among the group of being made up of Ba, Sr, Ca, Mg, Mn, Zn, Cu, Cd, Sm and Tm; 0.1＜x＜0.9; 0.5≤y≤12; By this, this green phosphor of light transmission that makes blue chip and red light chips send is to produce white light source.
An of the present invention purpose, be to provide a kind of light-emitting component, the light transmission green phosphor that this light-emitting component sends by making blue chip, and after the light colour mixture of being sent with red light chips to produce white light source, reduce the cost and raising white brightness of the light-emitting diode that produces white light by this, and then increase the convenience and the practicality of integral body.
For reaching above-mentioned purpose, the technical characterictic that the present invention adopts is as follows:
A kind of light-emitting component mainly is combined with at least one blue chip and at least one red light chips on carrier, wherein be coated with green phosphor on this at least one blue chip, and this green phosphor is based on aluminate, and its chemical formula is M
1-xEu
xAl
yO
1+3y/2, wherein M is the divalent metal selected among at least a group who is made up of Ba, Sr, Ca, Mg, Mn, Zn, Cu, Cd, Sm and Tm; 0.1＜x＜0.9; 0.5≤y≤12; By this, this green phosphor of light transmission that makes blue chip send, and after the light colour mixture of being sent with this at least one red light chips, to produce white light source.
By above-mentioned technical characterictic, device of the present invention has following practical advantage:
1, the light transmission green phosphor by making blue chip and red light chips send, to produce white light source, wherein this green phosphorescent system by this can not must be used the green glow chip based on aluminate, not only reduce the manufacturing cost that produces white light source, and its brightness is also higher.
2, this green phosphor also can only be covered on this blue chip, this green phosphor of light transmission that makes blue chip send, and after the light colour mixture of being sent with red light chips, can produce white light source, make the manufacturing process of this white light source have more elasticity.
Other characteristics of the present invention and specific embodiment can further be understood in the detailed description of following conjunction with figs..
Description of drawings
Fig. 1 is the combination dissected figure of first embodiment of the invention.
Fig. 2 is the combination dissected figure of second embodiment of the invention.
Fig. 3 is the combination dissected figure of third embodiment of the invention.
Fig. 4 is the vertical view of tradition with white light emitting diode.
Symbol description among the figure
10 carriers
11 blue chips
12 red light chips
13 green phosphors
14 connect lead
15 tin balls
16 photic zones
A1 emitting red light chip
A2 blue-light-emitting chip
A3 green emitting chip
The brilliant line of B
The C package body
The D pin
The E control chip
Embodiment
Please refer to Fig. 1～shown in Figure 2, the present invention's light-emitting component, mainly on carrier 10, be combined with at least one blue chip 11 and at least one red light chips 12, and this blue chip 11 and red light chips 12 and respectively be provided with and be connected lead 14, for being connected with carrier 10 and other pin (figure does not show), wherein be coated with green phosphor 13 on this blue chip 11 and the red light chips 12, this green phosphor 13 is based on aluminate, and these green phosphor 13 its chemical formulas are M
1- xEu
xAl
yO
1+3y/2, wherein M is the divalent metal selected among at least a group who is made up of Ba, Sr, Ca, Mg, Mn, Zn, Cu, Cd, Sm and Tm; 0.1＜x＜0.9; 0.5≤y≤12; By this, this green phosphor 13 of light transmission that makes blue chip 12 and red light chips 12 be sent to produce white light source, replaces the mode with red, blue, green three-colour light-emitting chip light emitting colour mixture, not only reduce the cost of the light-emitting diode that produces white light, and also improved white brightness.Again, see also Fig. 2, this blue chip 11 also can adopt the mode of upside-down mounting (covering crystalline substance) with red light chips 12, mat tin ball or gold goal combine with carrier 10, present embodiment is an example with tin ball 15, and the mode upside-down mounting (covering crystalline substance) that this blue chip 11 and red light chips 12 combine by tin ball 15 is on carrier 10.
Please refer to Fig. 1～shown in Figure 2, the present invention's characteristics are by the light transmission green phosphor 13 that makes blue chip 11 and red light chips 12 be sent, and producing white light source, and this green phosphor 13 is based on aluminate, and its chemical formula is M
1-xEu
xAl
yO
1+3y/2, wherein M is the divalent metal of selecting at least a group that is made up of Ba, Sr, Ca, Mg, Mn, Zn, Cu, Cd, Sm and Tm; 0.1＜x＜0.9; 0.5≤y≤12; According to this can not must use the green glow chip, not only reduce the manufacturing cost that produces white light source, and its brightness is also than the white brightness height that is blended by red, blue, green three-colour light-emitting chip, can combine with carrier 10 with the mode of red light chips 12 by this blue chip 11 in addition, and also with upside-down mounting (covering crystalline substance).
Please consult Fig. 3 in addition, be another embodiment of the present invention, this green phosphor 13 also can only be covered on this blue chip 11 in use, again with a photic zone 16 as sealing and location, be connected with carrier 10 and other pin by connecting lead 14 (or directly in upside-down mounting mode), this green phosphor 13 of light transmission that makes blue chip 11 be sent, and after the light colour mixture of being sent with red light chips 12 on the carrier 10, can produce white light source.
The above only is preferred embodiment of the present invention, and when can not be in order to limit the scope that the present invention can implement, all habit in the personage of this industry obviously can make to change and modification the flesh and blood that all should be considered as not breaking away from the present invention.
In sum, the present invention really can reach the intended purposes of invention, provides a kind of and reduces cost, and improve the convenient again light-emitting component of implementing of brightness, has practical value undoubtedly, proposes application for a patent for invention in accordance with the law.
Claims (6)
1. a light-emitting component is combined with at least one blue chip and at least one red light chips on carrier, it is characterized in that, is coated with green phosphor on this at least one blue chip and at least one red light chips, and this green phosphor is based on aluminate, and its chemical formula is M
1-xEu
xAl
yO
1+3y / 2, wherein M is the divalent metal selected among at least a group who is made up of Ba, Sr, Ca, Mg, Mn, Zn, Cu, Cd, Sm and Tm; 0.1＜x＜0.9; 0.5≤y≤12; By this, this green phosphor of light transmission that makes blue chip and this red light chips send is to produce white light source.
2. light-emitting component as claimed in claim 1, wherein this blue chip combines with carrier with the mode that red light chips is adopted upside-down mounting.
3. light-emitting component as claimed in claim 1, its carrier is provided with photic zone.
4. a light-emitting component is combined with at least one blue chip and at least one red light chips on carrier, it is characterized in that, is coated with green phosphor on this at least one blue chip, and this green phosphor is based on aluminate, and its chemical formula is M
1-xEu
xAl
yO
1+3y/2, wherein M is the divalent metal selected among at least a group who is made up of Ba, Sr, Ca, Mg, Mn, Zn, Cu, Cd, Sm and Tm; 0.1＜x＜0.9; 0.5≤y≤12; By this, this green phosphor of light transmission that makes blue chip send, and after the light colour mixture of being sent with this at least one red light chips, to produce white light source.
5. light-emitting component as claimed in claim 4, wherein this blue chip combines with carrier with the mode that red light chips is adopted upside-down mounting.
6. light-emitting component as claimed in claim 4, its carrier is provided with photic zone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100854295A CN101262033A (en) | 2007-03-05 | 2007-03-05 | Lighting part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100854295A CN101262033A (en) | 2007-03-05 | 2007-03-05 | Lighting part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101262033A true CN101262033A (en) | 2008-09-10 |
Family
ID=39962340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100854295A Pending CN101262033A (en) | 2007-03-05 | 2007-03-05 | Lighting part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101262033A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102354719A (en) * | 2011-09-28 | 2012-02-15 | 郑榕彬 | Device and method for producing white light with high color rendering index |
| CN109410754A (en) * | 2018-11-30 | 2019-03-01 | 武汉华星光电技术有限公司 | Light source assembly and the backlight module for using it |
| CN109777404A (en) * | 2019-02-28 | 2019-05-21 | 常州工程职业技术学院 | A kind of europium ion Eu3+Aluminate red fluorescent powder of activation and preparation method thereof |
| CN110003895A (en) * | 2019-05-07 | 2019-07-12 | 常州工程职业技术学院 | A kind of europium ion Eu3+The aluminate red fluorescent powder of activation, preparation method and applications |
-
2007
- 2007-03-05 CN CNA2007100854295A patent/CN101262033A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102354719A (en) * | 2011-09-28 | 2012-02-15 | 郑榕彬 | Device and method for producing white light with high color rendering index |
| CN109410754A (en) * | 2018-11-30 | 2019-03-01 | 武汉华星光电技术有限公司 | Light source assembly and the backlight module for using it |
| WO2020107755A1 (en) * | 2018-11-30 | 2020-06-04 | 武汉华星光电技术有限公司 | Light source component and backlight module using same |
| US10831063B2 (en) | 2018-11-30 | 2020-11-10 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Illuminant assembly and backlight unit using the same |
| CN109777404A (en) * | 2019-02-28 | 2019-05-21 | 常州工程职业技术学院 | A kind of europium ion Eu3+Aluminate red fluorescent powder of activation and preparation method thereof |
| CN110003895A (en) * | 2019-05-07 | 2019-07-12 | 常州工程职业技术学院 | A kind of europium ion Eu3+The aluminate red fluorescent powder of activation, preparation method and applications |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20080910 |