CN102691903A - Color temperature-adjustable LED lighting device - Google Patents
Color temperature-adjustable LED lighting device Download PDFInfo
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- CN102691903A CN102691903A CN201210090483XA CN201210090483A CN102691903A CN 102691903 A CN102691903 A CN 102691903A CN 201210090483X A CN201210090483X A CN 201210090483XA CN 201210090483 A CN201210090483 A CN 201210090483A CN 102691903 A CN102691903 A CN 102691903A
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- 239000004065 semiconductor Substances 0.000 abstract description 3
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- 238000004519 manufacturing process Methods 0.000 abstract 1
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Abstract
The invention relates to the technical field of semiconductor lighting, specifically to a lighting device. The color temperature-adjustable LED lighting device comprises at least two white light LED lamps with different color temperatures, and a half-transmitting and half-reflecting lens group, wherein the half-transmitting half-reflecting lens group comprises at least two half-transmitting half-reflective lenses. The emergent rays of the two LED lamps are combined into one beam of synthetic light through one of the half-transmitting half-reflecting lenses. The color temperature-adjustable LED lighting device further comprises a half-transmitting half-reflecting lens switching mechanism. Switching of the at least two half-transmitting half-reflecting lenses of the half-transmitting and half-reflecting lens group is carried out through the half-transmitting half-reflecting lens switching mechanism, such that the synthetic effect of the emergent rays of the two LED lamps can be adjusted. Owing to the above technical scheme, the color temperature-adjustable LED lighting device of invention has outstanding advantages of simple manufacture, low cost, large scope of lighting brightness adjustment, simple and accurate color temperature adjustment, good coloration, long service life, low energy consumption, instant lighting, etc.
Description
Technical field
The present invention relates to technical field of semiconductor illumination, be specifically related to a kind of lighting device.
Background technology
Along with the development of semiconductor lighting technology, white light LEDs is used more and more widely.White light LEDs generally all is on blue-light LED chip, to add fluorescent material at present, and a part of blue light is absorbed by fluorescent material, excitated fluorescent powder emission gold-tinted, and the gold-tinted of emission and remaining blue light, the strength ratio of regulating and control them can obtain the white light LEDs of various colour temperatures.But this white light LEDs is after the chip moulding, and colour temperature is uncontrollable.The colour temperature control technology of the white light LEDs that people use always generally has two types: 1, through many dissimilar LED of encapsulation in a plane, realize through the luminosity that changes different LEDs.The shortcoming of this mode is that the maximum luminousing brightness of normally sacrificing a certain or a certain group LED is realized regulating; Can reduce the maximum emitting brightness of system, control complicacy and not accurate; Simultaneously this mode has increased the LED light-emitting area, in the design of illumination path, will press to converge facula area for a short time and angle almost is impossible; 2, close light with two primary-color LEDs, RGB three primary colours or multi-primary LED through the vertical optical system.The shortcoming of this mode be system numerous and diverse, equally also to realize regulating through the luminosity that changes variable grain LED, can reduce the maximum emitting brightness of system, control is complicated and not accurate.
In addition, in the prior art, semi-transparent semi-reflecting eyeglass plays a part of effect that sees through of a part of reflection when light path design, reflects with the ratio that sees through and can confirm by customer demand.
Summary of the invention
The objective of the invention is to, a kind of LED lighting device of adjustable color temperature is provided, solve above technical problem.
The technical problem that the present invention solved can adopt following technical scheme to realize:
The LED lighting device of adjustable color temperature comprises at least two LED lamps, it is characterized in that, comprises a semi-transparent semi-reflecting lens set, and said semi-transparent semi-reflecting eyeglass group comprises at least two semi-transparent semi-reflecting eyeglasses;
Two LED lamp emergent raies synthesize a branch of synthetic light through a said semi-transparent semi-reflecting eyeglass wherein;
Also comprise a semi-transparent semi-reflecting eyeglass switching mechanism, through said semi-transparent semi-reflecting eyeglass switching mechanism at least two said semi-transparent semi-reflecting eyeglasses in the said semi-transparent semi-reflecting eyeglass group are switched, and then adjust the synthetic effect of two LED lamp emergent raies.
The present invention is switched two in the semi-transparent semi-reflecting lens set semi-transparent semi-reflecting eyeglasses through semi-transparent semi-reflecting eyeglass switching mechanism at least, changes printing opacity and reflective ratio that two LED lamps see through semi-transparent semi-reflecting eyeglass, to realize regulating the purpose of LED colour temperature.
Comprise that also one is used to drive the drive control module of two said LED lamps, said drive control module comprises a microprocessor system, and the control end of said semi-transparent semi-reflecting eyeglass switching mechanism connects said microprocessor system.Microprocessor of the present invention system can be in proportion the luminosity of two LED lamps of adjusting, to realize the brightness regulation purpose of emergent ray.The microprocessor system also can control the brightness of some LED lamps separately, regulates with the trace of realizing colour temperature.
After the present invention adopts above-mentioned technology, two luminous high conformities of LED lamp, luminous stable, the colour temperature adjustable range is big.In addition, the present invention can not reduce the maximum emitting brightness of LED lamp when regulating colour temperature, can not increase the light-emitting area of LED.It is simple, accurate, reliable to regulate colour temperature, is very suitable for the various colour temperatures that need and regulates, and the illuminator or the optical system of illumination path requirement arranged.
In order to increase the light conduction efficiency of LED lamp at semi-transparent semi-reflecting eyeglass group rear; Branch is provided with a LED focusing lens group between two said LED lamps and said semi-transparent semi-reflecting eyeglass group; After the LED focusing lens group focusing of the light that said LED lamp sends through the place ahead, penetrate the light beam after focusing on.Can effectively reduce the loss of light like this.
Two said LED lamps are vertical each other through the light beam that the LED in the place ahead light-collecting lens group focuses on the back ejaculations, and orthogonal two light beams all synthesizes a branch of synthetic light through a said semi-transparent semi-reflecting eyeglass wherein.
Said semi-transparent semi-reflecting eyeglass group can adopt circle, and said semi-transparent semi-reflecting eyeglass is fan-shaped, and at least two semi-transparent semi-reflecting eyeglasses evenly are spliced into a circular semi-transparent semi-reflecting eyeglass group;
Said semi-transparent semi-reflecting eyeglass switching mechanism adopts a rotating mechanism, and said rotating mechanism drives said semi-transparent semi-reflecting eyeglass group through a rotating shaft and rotates; Said rotating shaft is arranged on the center of said semi-transparent semi-reflecting eyeglass group.
Said semi-transparent semi-reflecting eyeglass group comprises four said semi-transparent semi-reflecting eyeglasses, and the central angle of said semi-transparent semi-reflecting eyeglass is 90 °.
Said semi-transparent semi-reflecting eyeglass group comprises six said semi-transparent semi-reflecting eyeglasses, and the central angle of said semi-transparent semi-reflecting eyeglass is 60 °.
Two said LED lamps are respectively a cool tone white LED lamp, a warm tones white LED lamp; Said cool tone white LED lamp is the LED lamp of colour temperature greater than 6500K; Said warm tones white LED lamp is the LED lamp of colour temperature less than 6000K.
The place ahead of said semi-transparent semi-reflecting eyeglass group also is provided with one and closes the light lens group, and the said light lens group of closing adopts one group to focus on the convex lens group.Set up close the light lens group after, the hot spot of the light of outgoing can be controlled to diameter 3mm-8mm, angle can well be coupled into the conduction that various optical fibers carry out light less than ± 35 °.
Said drive control module comprises a PWM drive circuit, and said microprocessor system connects two said LED lamps respectively through said PWM drive circuit.The present invention adopts the PWM technology that the brightness of LED lamp is regulated, with the purpose that realizes that system brightness is regulated.The present invention also can increase or reduce the brightness of single led lamp separately, regulates with the trace of realizing colour temperature.Adopt the PWM technology make two luminous high conformities of LED lamp, luminous stable, the colour temperature adjustable range is big.
Also comprise a shell, said LED lamp, said semi-transparent semi-reflecting eyeglass group all are arranged in the said shell, and said shell is provided with a light-emitting window, and the light of said semi-transparent semi-reflecting eyeglass group outgoing is towards said light-emitting window, through said light-emitting window bright dipping.
Said microprocessor system connects a key groups, controls said semi-transparent semi-reflecting eyeglass switching mechanism through said key groups, and then regulates the colour temperature of the light of outgoing of the present invention; Through the luminosity of said each said LED lamp of key groups control, and then the trace of realization colour temperature is regulated.
Said LED lamp is arranged on the substrate, and said substrate can adopt a heat conduction copper base, aluminium base or ceramic substrate preferably.Said substrate preferably adopts the ceramic insulating layer copper base, and said ceramic insulating layer copper base comprises a copper base, and said copper base is provided with one deck ceramic insulating layer outward.So that preferably under the prerequisite, substrate has insulation function in heat conduction.The present invention adopts LED lamp thermal conduction portions directly to contact with substrate, and naked layer influence heat radiation between the two can effectively improve the thermal diffusivity of LED lamp like this, make the LED lamp luminous stable, the life-span is long, brightness is high.
Beneficial effect: owing to adopt technique scheme, the present invention have make simple, with low cost, the brightness of illumination adjustable range big, colour temperature regulate simple, precisely, develop the color, the life-span is long, energy consumption is low, promptly to open be remarkable advantage such as bright.
Description of drawings
Fig. 1 is a light path sketch map of the present invention;
Fig. 2 is a kind of sketch map as a result of the semi-transparent semi-reflecting eyeglass group of the present invention.
The specific embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect and be easy to understand and understand, further set forth the present invention below in conjunction with concrete diagram.
With reference to Fig. 1, Fig. 2, the LED lighting device of adjustable color temperature comprises at least two LED lamps 2, and at least two LED lamps 2 adopt the white LED lamp of different-colour.Also comprise a semi-transparent semi-reflecting lens set 5, semi-transparent semi-reflecting eyeglass group comprises at least two semi-transparent semi-reflecting eyeglasses.Two LED lamp 2 emergent raies synthesize a branch of synthetic light through a semi-transparent semi-reflecting eyeglass wherein.Also comprise a semi-transparent semi-reflecting eyeglass switching mechanism, at least two in the semi-transparent semi-reflecting lens set semi-transparent semi-reflecting eyeglasses are switched, and then adjust the synthetic effect of two LED lamp emergent raies through semi-transparent semi-reflecting eyeglass switching mechanism.The present invention is switched two semi-transparent semi-reflecting eyeglasses in the semi-transparent semi-reflecting lens set 5 through semi-transparent semi-reflecting eyeglass switching mechanism at least, changes printing opacity and reflective ratio that two LED lamps 2 see through semi-transparent semi-reflecting eyeglass, to realize regulating the purpose of LED colour temperature.
Comprise that also one is used to drive the drive control module of two LED lamps 2, drive control module comprises a microprocessor system, and the control end of semi-transparent semi-reflecting eyeglass switching mechanism connects the microprocessor system.Microprocessor of the present invention system can be in proportion the luminosity of two LED lamps 2 of adjusting, to realize the brightness regulation purpose of emergent ray.The microprocessor system also can control the brightness of some LED lamps 2 separately, regulates with the trace of realizing colour temperature.
After the present invention adopts above-mentioned technology, two LED lamp 2 luminous high conformities, luminous stable, the colour temperature adjustable range is big.In addition, the present invention can not reduce LED lamp 2 maximum emitting brightness when regulating colour temperature, can not increase the light-emitting area of LED.It is simple, accurate, reliable to regulate colour temperature, is very suitable for the various colour temperatures that need and regulates, and the illuminator or the optical system of illumination path requirement arranged.
In order to increase the light conduction efficiency of LED lamp 2 at semi-transparent semi-reflecting eyeglass group 5 rears; Branch is provided with a LED focusing lens group 3 between two LED lamps 2 and semi-transparent semi-reflecting eyeglass group 5; After LED focusing lens group 3 focusing of the light that LED lamp 2 sends through the place ahead, penetrate the light beam after focusing on.Can effectively reduce the loss of light like this.
Two LED lamps 2 are vertical each other through the light beam that the LED in the place ahead light-collecting lens group 3 focuses on the back ejaculations, and orthogonal two light beams synthesizes a branch of synthetic light through same semi-transparent semi-reflecting eyeglass wherein respectively.
With reference to Fig. 2, semi-transparent semi-reflecting eyeglass group 5 can be spliced into circle, also can be other form.The preferred semi-transparent semi-reflecting eyeglass group 5 that adopts circle: semi-transparent semi-reflecting eyeglass is fan-shaped, and at least two semi-transparent semi-reflecting eyeglasses evenly are spliced into a circular semi-transparent semi-reflecting eyeglass group 5.Semi-transparent semi-reflecting eyeglass switching mechanism adopts a rotating mechanism, and rotating mechanism drives semi-transparent semi-reflecting eyeglass group 5 through a rotating shaft and rotates.Rotating shaft is arranged on the center of semi-transparent semi-reflecting eyeglass group 5.Semi-transparent semi-reflecting eyeglass group 5 forms a slanted angle with the straight line at synthetic light place, and slanted angle is less than 90 degree, and the axis of rotating shaft and slanted angle be complementary angle each other.
Semi-transparent semi-reflecting eyeglass group 5 can comprise four semi-transparent semi-reflecting eyeglasses, and the central angle of semi-transparent semi-reflecting eyeglass is 90 °.Semi-transparent semi-reflecting eyeglass group 5 also can also comprise six semi-transparent semi-reflecting eyeglasses, is respectively semi-transparent semi-reflecting eyeglass A, semi-transparent semi-reflecting eyeglass B, semi-transparent semi-reflecting eyeglass C, semi-transparent semi-reflecting eyeglass D, semi-transparent semi-reflecting eyeglass E, semi-transparent semi-reflecting eyeglass F.The central angle of every semi-transparent semi-reflecting eyeglass is 60 °.
Two LED lamps 2 are respectively a cool tone white LED lamp, a warm tones white LED lamp.The cool tone white LED lamp is the LED lamp of colour temperature greater than 6500K.The tone white LED lamp is the LED lamp of colour temperature less than 6000K.Preferred cool tone white LED lamp is the LED lamp of colour temperature about 8000K, and the warm tones white LED lamp is the LED lamp of colour temperature about 4000K.
The place ahead of semi-transparent semi-reflecting eyeglass group 5 also is provided with one and closes light lens group 6, closes light lens group 6 and adopts to focus on a convex lens group.Set up close light lens group 6 after, the hot spot of the light of outgoing can be controlled to diameter 3mm-8mm, angle can well be coupled into the conduction that various optical fibers carry out light less than ± 35 °.
Drive control module comprises a PWM drive circuit, and the microprocessor system connects two LED lamps 2 respectively through the PWM drive circuit.The present invention adopts the PWM technology that the brightness of LED lamp 2 is regulated, with the purpose that realizes that system brightness is regulated.The present invention also can increase or reduce the brightness of single led lamp 2 separately, regulates with the trace of realizing colour temperature.Adopt the PWM technology make two LED lamps, 2 luminous high conformities, luminous stable, the colour temperature adjustable range is big.
Also comprise a shell, LED lamp 2, semi-transparent semi-reflecting eyeglass group 5 all are arranged in the shell, and shell is provided with a light-emitting window, and the light of semi-transparent semi-reflecting eyeglass group 5 outgoing is towards light-emitting window, through the light-emitting window bright dipping.
The microprocessor system connects a key groups, controls semi-transparent semi-reflecting eyeglass switching mechanism through key groups, and then regulates the colour temperature of the light of outgoing of the present invention.Through the luminosity of institute's each LED lamp 2 of key group control, and then the trace of realization colour temperature is regulated.Such as comprising in the key groups that colour temperature adjusting knob, vernier knob etc. are used to regulate colour temperature.
LED lamp 2 is arranged on the substrate 1, and substrate 1 can adopt a heat conduction copper base, aluminium base or ceramic substrate preferably.The substrate 1 preferred ceramic insulating layer copper base that adopts, the ceramic insulating layer copper base comprises a copper base, copper base is provided with one deck ceramic insulating layer outward.So that preferably under the prerequisite, substrate has insulation function in heat conduction.The present invention adopts LED lamp thermal conduction portions 2 directly to contact with substrate 1, and naked layer influence heat radiation between the two can effectively improve the thermal diffusivity of LED lamp 2 like this, make LED lamp 2 luminous stable, the life-span is long, brightness is high.Certainly, the present invention can also have additional a heat abstractor, and heat abstractor is taken the heat on the substrate out of shell.Heat abstractor can adopt radiating fin, or water-cooling heat radiating device, and when heat of the present invention was big, heat abstractor can also adopt the heat pump heat abstractor.So that realize better radiating effect.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the specification just explains principle of the present invention; Under the prerequisite that does not break away from spirit and scope of the invention, the present invention also has various changes and modifications, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection domain to be defined by appending claims and equivalent thereof.
Claims (10)
1. the LED lighting device of adjustable color temperature comprises at least two LED lamps, it is characterized in that, comprises a semi-transparent semi-reflecting lens set, and said semi-transparent semi-reflecting eyeglass group comprises at least two semi-transparent semi-reflecting eyeglasses;
Two LED lamp emergent raies synthesize a branch of synthetic light through a said semi-transparent semi-reflecting eyeglass wherein;
Also comprise a semi-transparent semi-reflecting eyeglass switching mechanism, through said semi-transparent semi-reflecting eyeglass switching mechanism at least two said semi-transparent semi-reflecting eyeglasses in the said semi-transparent semi-reflecting eyeglass group are switched, and then adjust the synthetic effect of two LED lamp emergent raies.
2. the LED lighting device of adjustable color temperature according to claim 1; It is characterized in that: comprise that also one is used to drive the drive control module of two said LED lamps; Said drive control module comprises a microprocessor system, and the control end of said semi-transparent semi-reflecting eyeglass switching mechanism connects said microprocessor system.
3. the LED lighting device of adjustable color temperature according to claim 1; It is characterized in that: branch is provided with a LED focusing lens group between two said LED lamps and said semi-transparent semi-reflecting eyeglass group; After the LED focusing lens group focusing of the light that said LED lamp sends through the place ahead, penetrate the light beam after focusing on.
4. the LED lighting device of adjustable color temperature according to claim 3; It is characterized in that: two said LED lamps are vertical each other through the light beam that the LED in the place ahead light-collecting lens group focuses on the back ejaculations, and orthogonal two light beams synthesizes a branch of synthetic light through same said semi-transparent semi-reflecting eyeglass wherein respectively.
5. the LED lighting device of adjustable color temperature according to claim 1 is characterized in that: said semi-transparent semi-reflecting eyeglass group adopts circular, and said semi-transparent semi-reflecting eyeglass is fan-shaped, and at least two semi-transparent semi-reflecting eyeglasses evenly are spliced into a circular semi-transparent semi-reflecting eyeglass group;
Said semi-transparent semi-reflecting eyeglass switching mechanism adopts a rotating mechanism, and said rotating mechanism drives said semi-transparent semi-reflecting eyeglass group through a rotating shaft and rotates; Said rotating shaft is arranged on the center of said semi-transparent semi-reflecting eyeglass group.
6. according to the LED lighting device of any described adjustable color temperature in the claim 1 to 5, it is characterized in that: the place ahead of said semi-transparent semi-reflecting eyeglass group also is provided with one and closes the light lens group, and the said light lens group of closing adopts one group to focus on the convex lens group.
7. the LED lighting device of adjustable color temperature according to claim 2, it is characterized in that: said drive control module comprises a PWM drive circuit, said microprocessor system connects two said LED lamps respectively through said PWM drive circuit.
8. the LED lighting device of adjustable color temperature according to claim 6; It is characterized in that: also comprise a shell; Said LED lamp, said semi-transparent semi-reflecting eyeglass group all are arranged in the said shell; Said shell is provided with a light-emitting window, and the light of said semi-transparent semi-reflecting eyeglass group outgoing is towards said light-emitting window, through said light-emitting window bright dipping.
9. the LED lighting device of adjustable color temperature according to claim 6 is characterized in that: said microprocessor system connects a key groups, controls said semi-transparent semi-reflecting eyeglass switching mechanism through said key groups, and then regulates the colour temperature of the light of outgoing; Through the luminosity of said each said LED lamp of key groups control, and then the trace of realization colour temperature is regulated.
10. the LED lighting device of adjustable color temperature according to claim 9; It is characterized in that: said LED lamp is arranged on the substrate; Said substrate adopts the ceramic insulating layer copper base, and said ceramic insulating layer copper base comprises a copper base, and said copper base is provided with one deck ceramic insulating layer outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210090483.XA CN102691903B (en) | 2012-03-30 | 2012-03-30 | Color temperature-adjustable LED lighting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210090483.XA CN102691903B (en) | 2012-03-30 | 2012-03-30 | Color temperature-adjustable LED lighting device |
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| CN102691903A true CN102691903A (en) | 2012-09-26 |
| CN102691903B CN102691903B (en) | 2014-10-08 |
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| CN201210090483.XA Expired - Fee Related CN102691903B (en) | 2012-03-30 | 2012-03-30 | Color temperature-adjustable LED lighting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110501287A (en) * | 2018-05-19 | 2019-11-26 | 梅特勒-托利多仪器（上海）有限公司 | Light channel structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2316477A (en) * | 1995-11-13 | 1998-02-25 | High End Systems Inc | Lighting system with beam shape control |
| CN1637585A (en) * | 2003-12-19 | 2005-07-13 | 卡尔蔡斯耶拿有限公司 | Array for the illumination of an object |
| CN101968172A (en) * | 2010-08-19 | 2011-02-09 | 深圳市佳比泰电子科技有限公司 | Color temperature variable white LED module and application method thereof |
| KR20110051869A (en) * | 2009-11-11 | 2011-05-18 | 엘지이노텍 주식회사 | Lighting device |
| US20110116253A1 (en) * | 2009-11-18 | 2011-05-19 | Takashi Sugiyama | Semiconductor light source apparatus and lighting unit |
| CN202546394U (en) * | 2012-03-30 | 2012-11-21 | 上海显恒光电科技股份有限公司 | LED (Light-emitting diode) light-emitting device with transflective lens group |
-
2012
- 2012-03-30 CN CN201210090483.XA patent/CN102691903B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2316477A (en) * | 1995-11-13 | 1998-02-25 | High End Systems Inc | Lighting system with beam shape control |
| CN1637585A (en) * | 2003-12-19 | 2005-07-13 | 卡尔蔡斯耶拿有限公司 | Array for the illumination of an object |
| KR20110051869A (en) * | 2009-11-11 | 2011-05-18 | 엘지이노텍 주식회사 | Lighting device |
| US20110116253A1 (en) * | 2009-11-18 | 2011-05-19 | Takashi Sugiyama | Semiconductor light source apparatus and lighting unit |
| CN101968172A (en) * | 2010-08-19 | 2011-02-09 | 深圳市佳比泰电子科技有限公司 | Color temperature variable white LED module and application method thereof |
| CN202546394U (en) * | 2012-03-30 | 2012-11-21 | 上海显恒光电科技股份有限公司 | LED (Light-emitting diode) light-emitting device with transflective lens group |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110501287A (en) * | 2018-05-19 | 2019-11-26 | 梅特勒-托利多仪器（上海）有限公司 | Light channel structure |
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| CN102691903B (en) | 2014-10-08 |
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Inventor after: Shi Lei Inventor after: Zhang Guoying Inventor after: Li Huiping Inventor after: Zhang Yang Inventor before: Tang Wei Inventor before: Lin Zhiyi Inventor before: Luo Qiongye Inventor before: Weng Hongwan Inventor before: Xia Zhongping |
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Effective date of registration: 20170517 Address after: 017000 equipment manufacturing base of Erdos City, the Inner Mongolia Autonomous Region Patentee after: ORDOS LIGHTFORCE PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Address before: 200233 room 6, building 829, No. 504, Xuhui District, Shanghai, Yishan Road Patentee before: SHANGHAI FOREALIGHT SCIENCE AND TECHNOLOGY Co.,Ltd. |
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Granted publication date: 20141008 |
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