CN103090219A - Lighting device with adjustable light characteristics - Google Patents
Lighting device with adjustable light characteristics Download PDFInfo
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- CN103090219A CN103090219A CN2012102291479A CN201210229147A CN103090219A CN 103090219 A CN103090219 A CN 103090219A CN 2012102291479 A CN2012102291479 A CN 2012102291479A CN 201210229147 A CN201210229147 A CN 201210229147A CN 103090219 A CN103090219 A CN 103090219A
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- 238000009877 rendering Methods 0.000 claims abstract description 72
- 239000000843 powder Substances 0.000 claims abstract description 66
- 230000005284 excitation Effects 0.000 claims abstract description 49
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 46
- 239000011248 coating agent Substances 0.000 claims description 12
- 238000000576 coating method Methods 0.000 claims description 12
- 239000000758 substrate Substances 0.000 abstract 2
- 238000005286 illumination Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000004907 flux Effects 0.000 description 6
- 240000008574 Capsicum frutescens Species 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 2
- 206010016352 Feeling of relaxation Diseases 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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Abstract
A lighting device with adjustable light characteristics, comprising: a brightness adjustable light source and a transparent substrate. The light source with adjustable brightness provides exciting light. The transparent substrate has at least first to fourth regions. The first to fourth areas are respectively covered with first to fourth fluorescent powder combinations, and excitation light rays respectively emit first to fourth light rays through the first to fourth fluorescent powder combinations, wherein the first light rays have a first color rendering index and a first color temperature; the second light has a second color rendering index and a second color temperature, the second color rendering index is greater than the first color rendering index, and the second color temperature is greater than the first color temperature; the third light has a second color rendering index and a first color temperature; the fourth light has a first color rendering index and a second color temperature. The exciting light is switched in the first to fourth regions to select one of the first to fourth light.
Description
Technical field
The present invention relates to the adjustable lighting device of a kind of light characteristic, but relate in particular to a kind of lighting device of brightness, colour temperature and color rendering of modulation illuminating ray.
Background technology
During the object of human eye under the illumination of observation of nature light or artificial light sources, must have enough brightness and just can present color.When illuminating ray disappeared, color also disappeared thereupon.Light is the same with color, can cause the impression of changes in temperature to the people, that is the concept of the colour temperature of light.The colour temperature of light source is different, and is photochromic also different.Utilize the colour temperature of adjusting light source can form adapt circumstance atmosphere, as use low color temperature light sources can obtain warm, soft atmosphere; Adopt high color temperature light source can obtain chilly, quiet atmosphere.
The definition of colour temperature represents with absolute temperature K, also is about to the heating of standard black body, and when temperature was elevated to a certain degree, the color of light source began by dark red, pale red, orange, white, blue and change gradually.When the color of light source and black matrix was identical, black matrix absolute temperature at that time was called the colour temperature of this light source.Generally speaking, colour temperature is warm colour light at 3,000K, makes people's feeling relaxed and comfortable, is fit to be used in dwelling house or hotel.Colour temperature to 5,000K, is soft white light 4,000, is fit to be used in office or school.Colour temperature is the daylight look than cool tone at 6,000K, is fit to be used in the industrial manufacturers such as printing, weaving, dyeing and finishing.
Yet traditional lighting apparatus is only considered the colour temperature adjustment of light source.Under the development trend that the quality of lighting of the light source of lighting apparatus raises, certainly will to further consider other optics factors of the light source of lighting apparatus, as color rendering, luminous flux etc., and this is the technical bottleneck that present lighting apparatus is difficult to break through.
Summary of the invention
In view of this, the invention provides the adjustable lighting device of a kind of light characteristic, can be as required and the brightness of modulation illuminating ray, colour temperature and color rendering.
The present invention proposes the adjustable lighting device of a kind of light characteristic, comprising: brightness tunable light source and transparency carrier.The brightness tunable light source provides an excitation line.Transparency carrier has first area, second area, the 3rd zone and the 4th zone at least, wherein, first area coating the first phosphor combination, excitation line radiates the first light by the first phosphor combination, and the first light has the first color rendering index and the first colour temperature; Second area coating the second phosphor combination, excitation line radiates the second light by the second phosphor combination, the second light has the second color rendering index and the second colour temperature, and the second color rendering index is greater than the first color rendering index, and the second colour temperature is greater than the first colour temperature; The 3rd regional coating the 3rd phosphor combination, excitation line radiates the 3rd light by the 3rd phosphor combination, and the 3rd light has the second color rendering index and the first colour temperature; The 4th regional coating the 4th phosphor combination, excitation line radiates the 4th light by the 4th phosphor combination, and the 4th light has the first color rendering index and the second colour temperature; Excitation line switches in first to fourth zone, with select first to fourth light one of them.
In one embodiment of this invention, above-mentioned brightness tunable light source comprises: a plurality of blue light-emitting diodes unit, when excitation line irradiation has the first colour temperature or the second color rendering index regional, increase the quantity of lighting the blue light-emitting diode unit, and promote the brightness of excitation line.
In one embodiment of this invention, the centre wavelength of above-mentioned excitation line is 450nm～470nm.
In one embodiment of this invention, the first above-mentioned phosphor combination comprises: red fluorescence powder and yellow fluorescent powder, wherein, the ratio range of red fluorescence powder and yellow fluorescent powder is more than or equal to 0.35 and less than between 0.6.
In one embodiment of this invention, the second above-mentioned phosphor combination comprises: red fluorescence powder and yellow fluorescent powder, wherein, the ratio range of red fluorescence powder and yellow fluorescent powder is more than or equal to 0.1 and less than between 0.35.
In one embodiment of this invention, the 3rd above-mentioned phosphor combination comprises: red fluorescence powder and yellow fluorescent powder, wherein, the ratio range of red fluorescence powder and yellow fluorescent powder is more than or equal to 0.6 and is less than or equal between 0.85.
In one embodiment of this invention, the 4th above-mentioned phosphor combination is yellow fluorescent powder or further comprises a small amount of red fluorescence powder, and wherein, the ratio range of red fluorescence powder and yellow fluorescent powder is more than or equal to 0 and less than between 0.1.
In one embodiment of this invention, the first above-mentioned color rendering index less than 80, the second color rendering indexes more than or equal to 80.
In one embodiment of this invention, the first above-mentioned colour temperature is 2,500K to 4, and 000K, the second colour temperature is 4,500K to 6,500K.
In one embodiment of this invention, above-mentioned transparency carrier is rotating circular transparency carrier, by rotating circular transparency carrier, and excitation line is switched in first to fourth zone, with select first to fourth light one of them.
In one embodiment of this invention, above-mentioned transparency carrier can come and go at a direction initialization mobile, and excitation line is switched in first to fourth zone, with select the first to the 4th light one of them.
Based on above-mentioned, the transparency carrier that the lighting device that light characteristic of the present invention is adjustable has the brightness tunable light source and is provided with different phosphor combination.Different phosphor combination has different color renderings and colour temperature.The excitation line that radiates by the brightness tunable light source excites different phosphor combination, and can select different color renderings and the light of colour temperature.Simultaneously, utilize the brightness tunable light source to adjust the luminous flux of light, so that light has suitable brightness.The lighting device that above-mentioned light characteristic is adjustable can make light have required color rendering, colour temperature and brightness simultaneously, and can satisfy the lighting demand of higher standard.
For above-mentioned feature and advantage of the present invention can be become apparent, embodiment cited below particularly, and coordinate accompanying drawing to be described in detail below.
Description of drawings
Fig. 1 is the schematic diagram of the adjustable lighting device of a kind of light characteristic of preferred embodiment of the present invention.
Fig. 2 is the schematic diagram of the adjustable lighting device of another light characteristic of preferred embodiment of the present invention.
Fig. 3 is the schematic diagram of the adjustable lighting device of another light characteristic of preferred embodiment of the present invention.
Reference numeral:
100,102,104: the lighting device that light characteristic is adjustable
110: the brightness tunable light source
112: the blue light-emitting diode unit
120: transparency carrier
122: the first area
122A: the first phosphor combination
124: second area
124A: the second phosphor combination
126: the three zones
126A: the 3rd phosphor combination
128: the four zones
128A: the 4th phosphor combination
D: direction initialization
EL: excitation line
L1: the first light
L2: the second light
L3: the 3rd light
L4: the 4th light
R: red fluorescence powder
Y: yellow fluorescent powder
The specific embodiment
Fig. 1 is the schematic diagram of the adjustable lighting device of a kind of light characteristic of preferred embodiment of the present invention.Please refer to Fig. 1, the lighting device 100 that light characteristic is adjustable comprises: brightness tunable light source 110 and transparency carrier 120.Brightness tunable light source 110 provides an excitation line EL.Transparency carrier 120 has first area 122, second area 124, the 126 and the 4th zone 128, the 3rd zone at least, wherein, first area 122 coating the first phosphor combination 122A, excitation line EL radiates the first light L1 by the first phosphor combination 122A, and the first light L1 has the first color rendering index and the first colour temperature; Second area 124 coating the second phosphor combination 124A, excitation line EL radiates the second light L2 by the second phosphor combination 124A, the second light L2 has the second color rendering index and the second colour temperature, and the second color rendering index is greater than the first color rendering index, and the second colour temperature is greater than the first colour temperature; The 3rd regional 126 coating the 3rd phosphor combination 126A, excitation line EL radiates the 3rd light L3 by the 3rd phosphor combination 126A, and the 3rd light L3 has the second color rendering index and the first colour temperature; The 4th regional 128 coating the 4th phosphor combination 128A, excitation line radiates the 4th light L4 by the 4th phosphor combination 128A, and the 4th light L4 has the first color rendering index and the second colour temperature; Excitation line EL switches in first to fourth zone 122～128, with select first to fourth light L1～L4 one of them.
Referring again to Fig. 1, the lighting device 100 that above-mentioned light characteristic is adjustable can be selected having between first of different color renderings and different-colour～the 4th light L1～L4, that is, can according to the illumination needs select following first～the 4th light L1～L4 one of them: the first light L1 of low color rendering, low colour temperature (the first color rendering index and the first colour temperature); The second light L2 of high color rendering, high color temperature (the second color rendering index and the second colour temperature); The 3rd light L3 of high color rendering, low colour temperature (the second color rendering index and the first colour temperature); The 4th light L4 of low color rendering, high color temperature (the first color rendering index and the second colour temperature).
And the brightness of the excitation line EL that brightness tunable light source 110 provides is adjustable.In other words, light characteristic adjustable illumination device 100 has been considered the power of color rendering, colour temperature and the luminous flux of first～the 4th light L1～L4 simultaneously.
In one embodiment, the centre wavelength of excitation line EL can be 450nm～470nm, that is excitation line EL can be blue wave band.In other words, brightness tunable light source 110 can be blue LED chip, provides a blue light in order to excite first～the 4th phosphor combination 122A～128A.
Please continue with reference to Fig. 1, the first phosphor combination 122A can comprise: red fluorescence powder R and yellow fluorescent powder Y, wherein, the ratio range of red fluorescence powder R and yellow fluorescent powder Y is more than or equal to 0.35 and less than between 0.6.Excite yellow fluorescent powder Y to radiate gold-tinted by excitation line EL (as blue light), and excitated red fluorescent powder R radiates ruddiness, make blue light, gold-tinted mixed light together with ruddiness become white light (the first light L1).Utilize the proportion of composing of red fluorescence powder R and yellow fluorescent powder Y to adjust color rendering and the colour temperature of the first light L1 after mixed light, and obtain: the white light (the first light L1) of low color rendering and low colour temperature (warm impression).
Moreover the second phosphor combination 124A can comprise: red fluorescence powder R and yellow fluorescent powder Y, wherein, the ratio range of red fluorescence powder R and yellow fluorescent powder Y is more than or equal to 0.1 and less than between 0.35.Excite yellow fluorescent powder Y to radiate gold-tinted by excitation line EL (as blue light), and excitated red fluorescent powder R radiates ruddiness, make blue light, gold-tinted mixed light together with ruddiness become white light (the second light L2).Utilize the proportion of composing of red fluorescence powder R and yellow fluorescent powder Y to adjust color rendering and the colour temperature of the second light L2 after mixed light, and obtain: the white light of high color rendering and high color temperature (chilly impression) (the second light L2).
The 3rd phosphor combination 126A can comprise: red fluorescence powder R and yellow fluorescent powder Y, wherein, the ratio range of red fluorescence powder R and yellow fluorescent powder Y is more than or equal to 0.6 and is less than or equal between 0.85.Excite yellow fluorescent powder Y to radiate gold-tinted by excitation line EL (as blue light), and excitated red fluorescent powder R radiates ruddiness, make blue light, gold-tinted mixed light together with ruddiness become white light (the 3rd light L3).Utilize the proportion of composing of red fluorescence powder R and yellow fluorescent powder Y to adjust color rendering and the colour temperature of the 3rd light L3 after mixed light, and obtain: the white light of high color rendering and low colour temperature (warm impression) (the 3rd light L3).
The 4th phosphor combination 128A can be yellow fluorescent powder Y or further comprises a small amount of red fluorescence powder R, and wherein, the ratio range of red fluorescence powder R and yellow fluorescent powder Y is more than or equal to 0 and less than between 0.1.Excite yellow fluorescent powder Y to radiate gold-tinted by excitation line EL (as blue light), and make blue light, gold-tinted together mixed light become white light (the 4th light L4).Because the 4th light L4 does not have the ruddiness composition, so color rendering and the colour temperature of the 4th light L4 after mixed light become: the white light (the 4th light L4) of low color rendering and high color temperature (chilly impression).
The color rendering index can quantize, in order to determine that among first light L1～L4, whichever is high color rendering or low color rendering.In one embodiment, the first above-mentioned color rendering index less than 80, the second color rendering indexes more than or equal to 80.In other words, the color rendering index less than 80 can be considered and has low color rendering, and the color rendering index greater than or equal to 80 can be considered and has high color rendering.
Similarly, colour temperature also can quantize, in order to determine that among first light L1～L4, whichever is high color temperature or low colour temperature.In one embodiment, the first above-mentioned colour temperature is 2,500K to 4, and 000K, the second colour temperature is 4,500K to 6,500K.In other words, 2,500K to 4, the colour temperature of 000K can be considered and has low colour temperature, and 4,500K to 6, the colour temperature of 500K can be considered and has high color temperature.
Hold above-mentionedly, light characteristic adjustable illumination device 100 has been considered the power of color rendering, colour temperature and the luminous flux of first～the 4th light L1～L4 simultaneously, not merely considers colour temperature, and then better quality of lighting can be provided.
It should be noted that, in the adjustable lighting device 100 of the light characteristic of Fig. 1, transparency carrier 120 is rotating circular transparency carrier, by rotating circular transparency carrier, and excitation line EL is switched in first to fourth zone 122～128, with select first to fourth light L1～L4 one of them.So, can select more easily required color rendering, the light of colour temperature.
Fig. 2 is the schematic diagram of the adjustable lighting device of another light characteristic of preferred embodiment of the present invention.Please refer to Fig. 2, identical element marking is with identical symbol, and omits identical explanation.It should be noted that, in the light characteristic adjustable illumination device 102 of Fig. 2, transparency carrier 120 can come and go at a direction initialization D mobile, and excitation line EL is switched in first to fourth zone 122～128, with select first to the 4th light L1～L4 one of them.So, also can select easily required color rendering, the light of colour temperature.
Fig. 3 is the schematic diagram of the adjustable lighting device of another light characteristic of preferred embodiment of the present invention.Please refer to Fig. 3, identical element marking is with identical symbol, and omits identical explanation.It should be noted that, in the light characteristic adjustable illumination device 104 of Fig. 3, above-mentioned brightness tunable light source 110 can comprise: a plurality of blue light-emitting diodes unit 112, when excitation line EL irradiation has the second area 124 of the second color rendering index and the 3rd regional 126 the time, or has the first area 122 of the first colour temperature and the 3rd regional 126 the time when excitation line EL irradiation, increase the quantity light blue light-emitting diode unit 112, and promote the brightness of excitation line EL.
This is because the red fluorescence powder combination that high color rendering or the zone of low colour temperature have can absorb relatively large excitation line EL, causes the luminous flux of excitation line EL itself excessively to weaken.By the design of above-mentioned brightness tunable light source 110, the excitation line EL that can overcompensate weakens makes the first light L1, the second light L2 and the 3rd light L3 through the zone of high color rendering or low colour temperature can have required brightness.
In sum, light characteristic adjustable illumination device of the present invention has the following advantages at least:
The lighting device that light characteristic is adjustable has: the brightness tunable light source, from the transparency carrier that is provided with different phosphor combination.The excitation line that radiates by the brightness tunable light source excites different phosphor combination, and can select different color renderings and the light of colour temperature.Simultaneously, utilize the brightness tunable light source to adjust the luminous flux of light, so that light has suitable brightness.Above-mentioned light characteristic adjustable illumination device can be integrated color rendering, colour temperature and luminous intensity simultaneously, and obtains the light of required color rendering, colour temperature and luminous intensity, to satisfy the lighting demand of higher standard.
Although the present invention discloses as above with embodiment, so it is not to limit the present invention, and any person of an ordinary skill in the technical field when can do a little change and retouching, and does not break away from the spirit and scope of the present invention.
Claims (12)
1. lighting device that light characteristic is adjustable is characterized in that comprising:
One brightness tunable light source provides an excitation line; And
One transparency carrier has a first area, a second area, one the 3rd zone and one the 4th zone at least, wherein,
This first area coating one first phosphor combination, this excitation line makes this first phosphor combination radiate one first light, and this first light has one first color rendering index and one first colour temperature;
This second area coating one second phosphor combination, this excitation line makes this second phosphor combination radiate one second light, this second light has one second color rendering index and one second colour temperature, and this second color rendering index is greater than this first color rendering index, and this second colour temperature is greater than this first colour temperature;
The 3rd regional coating 1 the 3rd phosphor combination, this excitation line makes the 3rd phosphor combination radiate one the 3rd light, and the 3rd light has this second color rendering index and this first colour temperature;
The 4th regional coating 1 the 4th phosphor combination, this excitation line makes the 4th phosphor combination radiate one the 4th light, and the 4th light has this first color rendering index and this second colour temperature;
This excitation line switches in this first to fourth zone, with select this first to the 4th light one of them.
2. the adjustable lighting device of light characteristic according to claim 1, is characterized in that, this brightness tunable light source comprises: a plurality of blue light-emitting diodes unit,
When the irradiation of this excitation line has this second area of this second color rendering index or the 3rd zone, increase the quantity of lighting those blue light-emitting diodes unit, and promote the brightness of this excitation line.
3. the adjustable lighting device of light characteristic according to claim 1, is characterized in that, this brightness tunable light source comprises: a plurality of blue light-emitting diodes unit,
When the irradiation of this excitation line has this first area of this first colour temperature or the 3rd zone, increase the quantity of lighting those blue light-emitting diodes unit, and promote the brightness of this excitation line.
4. the adjustable lighting device of light characteristic according to claim 1, is characterized in that, the centre wavelength of this excitation line is 450nm～470nm.
5. the adjustable lighting device of light characteristic according to claim 1, it is characterized in that, this first phosphor combination comprises: a red fluorescence powder and a yellow fluorescent powder, wherein, the ratio range of this red fluorescence powder and this yellow fluorescent powder is more than or equal to 0.35 and less than between 0.6.
6. the adjustable lighting device of light characteristic according to claim 1, it is characterized in that, this second phosphor combination comprises: a red fluorescence powder and a yellow fluorescent powder, wherein, the ratio range of this red fluorescence powder and this yellow fluorescent powder is more than or equal to 0.1 and less than between 0.35.
7. the adjustable lighting device of light characteristic according to claim 1, it is characterized in that, the 3rd phosphor combination comprises: a red fluorescence powder and a yellow fluorescent powder, wherein, the ratio range of this red fluorescence powder and this yellow fluorescent powder is more than or equal to 0.6 and is less than or equal between 0.85.
8. the adjustable lighting device of light characteristic according to claim 1, it is characterized in that, the 4th phosphor combination is yellow fluorescent powder or further comprises a red fluorescence powder, and wherein, the ratio range of this red fluorescence powder and this yellow fluorescent powder is more than or equal to 0 and less than between 0.1.
9. the adjustable lighting device of light characteristic according to claim 1, is characterized in that, this first color rendering index is less than 80, and this second color rendering index is more than or equal to 80.
10. the adjustable lighting device of light characteristic according to claim 1, is characterized in that, this first colour temperature is 2,500K to 4, and 000K, this second colour temperature is 4,500K to 6,500K.
11. the lighting device that light characteristic according to claim 1 is adjustable, it is characterized in that, this transparency carrier is rotating circular transparency carrier, by rotating this circle transparency carrier, and this excitation line is switched in this first to fourth zone, with select this first to the 4th light one of them.
12. the lighting device that light characteristic according to claim 1 is adjustable, it is characterized in that, this transparency carrier can come and go at a direction initialization mobile, and this excitation line is switched in this first to fourth zone, with select this first to the 4th light one of them.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW100139129A TWI434009B (en) | 2011-10-27 | 2011-10-27 | Optical-characteristics tunable illumination apparatus |
| TW100139129 | 2011-10-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103090219A true CN103090219A (en) | 2013-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102291479A Pending CN103090219A (en) | 2011-10-27 | 2012-07-04 | Lighting device with adjustable light characteristics |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103090219A (en) |
| TW (1) | TWI434009B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015961A (en) * | 2016-06-17 | 2016-10-12 | 欧普照明股份有限公司 | Light source module and illuminating device |
| CN106015960A (en) * | 2016-06-17 | 2016-10-12 | 欧普照明股份有限公司 | Light source module and lighting device |
| CN106122819A (en) * | 2016-06-17 | 2016-11-16 | 欧普照明股份有限公司 | Light source module and illuminator |
| CN106122818A (en) * | 2016-06-17 | 2016-11-16 | 欧普照明股份有限公司 | Light source module and illuminator |
| CN106969305A (en) * | 2016-01-14 | 2017-07-21 | 深圳市光峰光电技术有限公司 | A kind of adjustable light supply apparatus and lighting device |
| CN109713088A (en) * | 2018-12-20 | 2019-05-03 | 宁波公牛光电科技有限公司 | A kind of generation method of light source and natural spectrum |
| CN109708017A (en) * | 2018-12-20 | 2019-05-03 | 宁波公牛光电科技有限公司 | A kind of generation method of light source and natural spectrum |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969305A (en) * | 2016-01-14 | 2017-07-21 | 深圳市光峰光电技术有限公司 | A kind of adjustable light supply apparatus and lighting device |
| CN106015961A (en) * | 2016-06-17 | 2016-10-12 | 欧普照明股份有限公司 | Light source module and illuminating device |
| CN106015960A (en) * | 2016-06-17 | 2016-10-12 | 欧普照明股份有限公司 | Light source module and lighting device |
| CN106122819A (en) * | 2016-06-17 | 2016-11-16 | 欧普照明股份有限公司 | Light source module and illuminator |
| CN106122818A (en) * | 2016-06-17 | 2016-11-16 | 欧普照明股份有限公司 | Light source module and illuminator |
| CN106015961B (en) * | 2016-06-17 | 2019-04-26 | 欧普照明股份有限公司 | Light source module group and lighting device |
| CN109713088A (en) * | 2018-12-20 | 2019-05-03 | 宁波公牛光电科技有限公司 | A kind of generation method of light source and natural spectrum |
| CN109708017A (en) * | 2018-12-20 | 2019-05-03 | 宁波公牛光电科技有限公司 | A kind of generation method of light source and natural spectrum |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI434009B (en) | 2014-04-11 |
| TW201317517A (en) | 2013-05-01 |
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Application publication date: 20130508 |