CN101430065A - LED light source module group and its white light generation method - Google Patents
LED light source module group and its white light generation method Download PDFInfo
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- CN101430065A CN101430065A CNA2007100097702A CN200710009770A CN101430065A CN 101430065 A CN101430065 A CN 101430065A CN A2007100097702 A CNA2007100097702 A CN A2007100097702A CN 200710009770 A CN200710009770 A CN 200710009770A CN 101430065 A CN101430065 A CN 101430065A
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Abstract
The invention discloses an LED light source module and a method thereof for generating white light. The LED light source module comprises a first LED light-emitting unit, a second LED light-emitting unit and a light guide plate; a first light which is emitted by the first LED light-emitting unit and a second light which is emitted by the second LED light-emitting unit can be synthesized into the white light; the first LED light-emitting unit and the second LED light-emitting unit are separately arranged, and the light emitted by the two is synthesized into the white light by the light guide plate. The technical proposal has the advantages that: as the first LED light-emitting unit and the second LED light-emitting unit are separately arranged and the light which is generated by the two is synthesized into the white light, the white light has good low color temperature effect and high color-rendering property.
Description
Affiliated field
The present invention relates to the method for a kind of led light source and generation white light thereof, particularly relate to the method for a kind of led light source module and generation white light thereof.
Background technology
As everyone knows, the white light LEDs preparation method has a variety of, for example: one, synthetic by red, green and blue three-primary color LED; Its two, blue-ray LED+yellow (YAG) fluorescent material; Its three, ultraviolet LED+three primary colors fluorescent powder and multilayer organic electroluminescent (OLED) etc., wherein, " blue-ray LED+yellow fluorescent powder " method now is the main flow of white light LEDs technology.In order to prepare the white light LEDs of low colour temperature, high-color rendering, in said method, also add following SOME METHODS: fluorescent material (rouge and powder) transformation approach, RGB three color contamination light etc.Though adopt above-mentioned method can prepare the white light LEDs of low colour temperature, high-color rendering, this method also has following technical disadvantages: one, the low color temperature white light that adopts the encapsulation of YAG fluorescent material to generate, colour rendering is poor; Its two, the white light light efficiency that adopts the rouge and powder encapsulation to generate is little; Its three, the white light instability that adopts the encapsulation of rouge and powder and blue light to generate, it is big to put the light rate for a long time; Its four, adopt the low colour temperature of white light of RGB three color contamination photogenerateds, but R, G, three kinds of chip light decays of B are inconsistent, the colour temperature drift is serious.
Summary of the invention
The invention provides the method for a kind of led light source module and generation white light thereof, it has overcome the existing deficiency of white light LEDs of background technology.
The technical solution adopted for the present invention to solve the technical problems is: a kind of led light source module, and it comprises a LED luminescence unit, the 2nd LED luminescence unit and LGP; Second light that first light that the one LED luminescence unit sends and the 2nd LED luminescence unit send can synthesize white light; The one LED luminescence unit separates setting with the 2nd LED luminescence unit, and the light that they is sent by LGP synthesizes white light.
In one most preferred embodiment of the technical program: this LGP is used for leaded light, reflection and refraction, and this first light can pass LGP, and this second light can penetrate LGP after LGP reflection and refraction.
In one most preferred embodiment of the technical program: a LED luminescence unit is located at after the LGP, and the 2nd LED luminescence unit is located at the LGP side.
In one most preferred embodiment of the technical program: the left and right side of this LGP is equipped with the 2nd LED luminescence unit.
In one most preferred embodiment of the technical program: a LED luminescence unit comprises blue chip, spun gold, YAG fluorescent material and glue, and this blue chip is sent blue-light excited YAG fluorescent material, launches gold-tinted and remaining blue light is combined into white light.
In one most preferred embodiment of the technical program: the 2nd LED luminescence unit is a red LED.
In one most preferred embodiment of the technical program: the 2nd LED luminescence unit comprises red chip, spun gold and glue, launches ruddiness.
In one most preferred embodiment of the technical program: this LGP is a transparent panel, and offers on this transparent panel and be used to the site reflecting and reflect.
In one most preferred embodiment of the technical program: the site of this LGP is the dome-type site, and more little from the near more site radius of the 2nd LED luminescence unit.
The present invention solves the another technical scheme that its technical problem adopts: a kind of led light source module generates the method for white light, separate at least two LED luminescence units that synthesize white light is set, LGP is set is used for the light that synthetic LED luminescence unit sends, synthetic back generates white light.
The beneficial effect of the technical program is: because a LED luminescence unit and the 2nd LED luminescence unit adopt separate mode, the light that they generate synthesizes white light, so the low colour temperature of this white light is effective, colour rendering is high.Should be more little from the near more site radius of the 2nd LED luminescence unit, make evenly bright dipping of ruddiness.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 has illustrated the schematic top plan view of the led light source module of present embodiment.
The master that Fig. 2 has illustrated the led light source module of present embodiment looks schematic diagram.
The specific embodiment
Please refer to Fig. 1 and Fig. 2, they have illustrated the schematic top plan view and the main schematic diagram of looking of the led light source module of present embodiment respectively.A kind of led light source module, it comprises LGP 10, a LED luminescence unit 20 and the 2nd LED luminescence unit 30.
This LGP 10 is used for leaded light, reflection and refraction.This LGP 10 is the acryl transparent panel, offer on it and be used to the site 11 reflecting and reflect, wherein, the site of this LGP 10 is the dome-type site, and more little from the near more site radius of the 2nd LED luminescence unit 30, also is that to be positioned at the site radius that keeps to the side more more little, it is big more to be positioned at middle more site radius, (oversimplify for accompanying drawing in the middle of the LGP 10, be convenient to the reader and check) as shown in Figure 1 so adopt ellipsis to replace.
The one LED luminescence unit 20 separates setting with the 2nd LED luminescence unit 30.The one LED luminescence unit 20 is located at after the LGP 10, and first light that it generates passes LGP 10.The one LED luminescence unit 20 comprises blue chip, spun gold, YAG fluorescent material and glue, and this blue chip is sent blue-light excited YAG fluorescent material, launches gold-tinted and remaining blue light is combined into white light.Wherein, a LED luminescence unit 20 is a prior art, is not further described at this in order to save space.
The 2nd LED luminescence unit 30 includes a plurality of, and their symmetries are installed on LGP 10 left and right sides.Second light that they generate is through 11 reflections of the site of LGP 10 and reflect LGP 10.The 2nd LED luminescence unit is a red LED, and it comprises blue chip, spun gold and glue, and this blue chip is sent blue light and launched redness (610nm-630nm) through spun gold.Wherein, the 2nd LED luminescence unit 30 is a prior art, is not further described at this in order to save space.
An above-mentioned LED luminescence unit 20 is in parallel with the 2nd above-mentioned LED luminescence unit 30, wherein, second light (ruddiness) of first light of an above-mentioned LED luminescence unit 20 (white light of gold-tinted and remaining blue light combination) and above-mentioned the 2nd LED luminescence unit 30 synthesizes the high-color rendering low color temperature white light.
A kind of led light source module generates the method for white light, separates at least two LED luminescence units that synthesize white light is set, and LGP is set is used for the light that synthetic LED luminescence unit sends, and synthetic back generates white light.It may further comprise the steps:
Step 1, the two LED luminescence units that this separation is provided with emit beam respectively:
Step 2, first light that a LED luminescence unit sends passes LGP, and second light that this two LED luminescence unit sends can penetrate LGP through reflection of the site of LGP and refraction, and this first light and second light synthesize white light.
The above, only for preferred embodiment of the present invention, so can not limit scope of the invention process with this, i.e. the equivalence of doing according to the present patent application claim and description changes and modification, all should still belong in the scope that patent of the present invention contains.
Claims (10)
1. led light source module, it is characterized in that: it comprises a LED luminescence unit, the 2nd LED luminescence unit and LGP; Second light that first light that the one LED luminescence unit sends and the 2nd LED luminescence unit send can synthesize white light; The one LED luminescence unit separates setting with the 2nd LED luminescence unit, and the light that they is sent by LGP synthesizes white light.
2. a kind of led light source module according to claim 1, it is characterized in that: this LGP is used for leaded light, reflection and refraction, and this first light can pass LGP, and this second light can penetrate LGP after LGP reflection and refraction.
3. a kind of led light source module according to claim 2 is characterized in that: a LED luminescence unit is located at after the LGP, and the 2nd LED luminescence unit is located at the LGP side.
4. a kind of led light source module according to claim 3 is characterized in that: the left and right side of this LGP is equipped with the 2nd LED luminescence unit.
5. according to claim 1 or 2 or 3 or 4 described a kind of led light source modules, it is characterized in that: a LED luminescence unit comprises blue chip, spun gold, YAG fluorescent material and glue, this blue chip is sent blue-light excited YAG fluorescent material, launches gold-tinted and remaining blue light is combined into white light.
6. according to claim 1 or 2 or 3 or 4 described a kind of led light source modules, it is characterized in that: the 2nd LED luminescence unit is a red LED.
7. according to claim 1 or 2 or 3 or 4 described a kind of led light source modules, it is characterized in that: the 2nd LED luminescence unit comprises red chip, spun gold and glue, launches ruddiness.
8. according to claim 2 or 3 or 4 described a kind of led light source modules, it is characterized in that: this LGP is a transparent panel, and offers on this transparent panel and be used to the site reflecting and reflect.
9. according to claim 2 or 3 or 4 described a kind of led light source modules, it is characterized in that: the site of this LGP is the dome-type site, and more little from the near more site radius of the 2nd LED luminescence unit.
10. the method for a led light source module generation white light is characterized in that: separate the two LED luminescence units that synthesize white light is set, LGP is set is used for the light that synthetic LED luminescence unit sends, synthetic back generation white light at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100097702A CN101430065A (en) | 2007-11-06 | 2007-11-06 | LED light source module group and its white light generation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100097702A CN101430065A (en) | 2007-11-06 | 2007-11-06 | LED light source module group and its white light generation method |
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| Publication Number | Publication Date |
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| CN101430065A true CN101430065A (en) | 2009-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2007100097702A Pending CN101430065A (en) | 2007-11-06 | 2007-11-06 | LED light source module group and its white light generation method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102313211A (en) * | 2011-09-30 | 2012-01-11 | 南京第壹有机光电有限公司 | Surface illumination device |
| WO2012031385A1 (en) * | 2010-09-07 | 2012-03-15 | 深圳市众明半导体照明有限公司 | Warm white light led chip with high brightness and high color rendering |
| CN102392961A (en) * | 2011-11-17 | 2012-03-28 | 南京第壹有机光电有限公司 | LED (light emitting diode) and OLED (organic light emitting diode) composite surface luminescent device |
| CN102412243A (en) * | 2011-11-17 | 2012-04-11 | 南京第壹有机光电有限公司 | OLED surface luminescent device |
| CN103032765A (en) * | 2012-12-11 | 2013-04-10 | 京东方科技集团股份有限公司 | Light source module, liquid crystal display device and neon lamp display device |
| CN110274163A (en) * | 2019-06-26 | 2019-09-24 | 博讯光电科技(合肥)有限公司 | A kind of OLED lighting device of adjustable white light colour temperature |
-
2007
- 2007-11-06 CN CNA2007100097702A patent/CN101430065A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012031385A1 (en) * | 2010-09-07 | 2012-03-15 | 深圳市众明半导体照明有限公司 | Warm white light led chip with high brightness and high color rendering |
| CN102313211A (en) * | 2011-09-30 | 2012-01-11 | 南京第壹有机光电有限公司 | Surface illumination device |
| CN102392961A (en) * | 2011-11-17 | 2012-03-28 | 南京第壹有机光电有限公司 | LED (light emitting diode) and OLED (organic light emitting diode) composite surface luminescent device |
| CN102412243A (en) * | 2011-11-17 | 2012-04-11 | 南京第壹有机光电有限公司 | OLED surface luminescent device |
| CN103032765A (en) * | 2012-12-11 | 2013-04-10 | 京东方科技集团股份有限公司 | Light source module, liquid crystal display device and neon lamp display device |
| CN110274163A (en) * | 2019-06-26 | 2019-09-24 | 博讯光电科技(合肥)有限公司 | A kind of OLED lighting device of adjustable white light colour temperature |
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Application publication date: 20090513 |