CN109671655B - LED fluorescent powder sedimentation control device and method - Google Patents
LED fluorescent powder sedimentation control device and method Download PDFInfo
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- CN109671655B CN109671655B CN201811616813.8A CN201811616813A CN109671655B CN 109671655 B CN109671655 B CN 109671655B CN 201811616813 A CN201811616813 A CN 201811616813A CN 109671655 B CN109671655 B CN 109671655B
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- 238000004062 sedimentation Methods 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000000843 powder Substances 0.000 title claims abstract description 19
- 239000000758 substrate Substances 0.000 claims abstract description 79
- 230000006698 induction Effects 0.000 claims abstract description 61
- 230000003993 interaction Effects 0.000 claims abstract description 18
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 14
- 230000001939 inductive effect Effects 0.000 claims description 9
- 238000004806 packaging method and process Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000000047 product Substances 0.000 description 14
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/50—Wavelength conversion elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67242—Apparatus for monitoring, sorting or marking
- H01L21/67253—Process monitoring, e.g. flow or thickness monitoring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67242—Apparatus for monitoring, sorting or marking
- H01L21/67276—Production flow monitoring, e.g. for increasing throughput
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2933/00—Details relating to devices covered by the group H01L33/00 but not provided for in its subgroups
- H01L2933/0008—Processes
- H01L2933/0033—Processes relating to semiconductor body packages
- H01L2933/0041—Processes relating to semiconductor body packages relating to wavelength conversion elements
-
- 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
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- General Factory Administration (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The invention discloses a device and a method for controlling sedimentation of LED fluorescent powder, wherein an operator only needs to input sedimentation time into a timer of a processor through a man-machine interaction device, an inductor sends an induction signal to the processor to start the timer when sensing an LED substrate, the timer alarms through an alarm after the input sedimentation time, the operator can be prompted that the fluorescent powder of the LED substrate is settled, the next operation such as curing and baking can be performed, the condition that a color zone of a product drifts due to inconsistent sedimentation of the fluorescent powder caused by inaccurate standing sedimentation time after dispensing and packaging of COB materials can be effectively avoided, the color zone accuracy and the product shipment rate are effectively improved, and the stock pressure is reduced. Meanwhile, powerful guarantee is provided for standardization management and manufacturing procedures, product quality can be fully guaranteed, and accuracy, scientificity and product quality reliability of COB packaging manufacturing procedure technology are effectively guaranteed.
Description
Technical Field
The invention belongs to the technical field of LED packaging, and particularly relates to an LED fluorescent powder sedimentation control device and method.
Background
The sedimentation powder-dispensing process is a hot spot for LED packaging dispensing in recent years, fluorescent powder is sedimentated near the bottom of an LED substrate during packaging, and the fluorescent powder can better emit heat, so that the reliability of an integral light source is improved, more commonly used methods are centrifugal sedimentation or natural sedimentation, and because the centrifugal sedimentation is limited by one-time centrifugation, only a small amount of LED COB semi-finished products can be placed, and under the action of centrifugal force, when the sedimentation powder-dispensing process is used for a COB light source with a larger substrate, the fluorescent powder is easily stressed unevenly, so that the fluorescent powder is unevenly distributed, and further, the problem of uneven light source facula is caused, so that the natural sedimentation powder-dispensing process method is commonly adopted in the prior art.
The natural sedimentation method is influenced by sedimentation time, the sedimentation time is not well controlled, the condition of easy generation of color drift is caused, and batch production is difficult, the problem of sedimentation time is solved in the prior art, a timer is often used for monitoring manually, and the method is time-consuming and labor-consuming and has lower efficiency.
Disclosure of Invention
In order to overcome the technical defects, the invention provides the LED fluorescent powder sedimentation control device and the method, which can effectively avoid the condition that the color zone of a product drifts due to inconsistent sedimentation of fluorescent powder caused by inaccurate standing sedimentation time after dispensing and packaging of COB materials, and effectively improve the color zone accuracy and the shipment rate of the product.
In order to solve the problems, the invention is realized according to the following technical scheme:
an LED phosphor settlement control device comprising: a processor having a plurality of timers, a human-machine interaction device connected to the processor, and an induction station having a plurality of induction areas;
the man-machine interaction device is used for receiving substrate information parameters input by a user and sending the substrate information parameters to the processor; the substrate information parameters comprise product information, sedimentation time parameters and induction area parameters of the LED substrate; the processor is used for binding one timer with the sensing area parameter and inputting the sedimentation time parameter into the bound timer;
each sensing area is provided with a sensor and an alarm which are connected to the processor, and the sensor is used for generating a sensing signal when sensing the LED substrate and sending the sensing signal to the processor; the processor is used for acquiring the induction area parameters of the induction area corresponding to the induction signal when receiving the induction signal, and starting the timer bound with the induction area parameters; the timer is used for generating an alarm signal when the sedimentation time parameter is counted, so that the processor sends the alarm signal to the alarm for alarming.
Further, a display connected to the processor is also included for displaying the substrate information parameter, the status of the timer, and the status of the alarm.
Further, the sensor is used for generating a dislocation signal when sensing that the LED substrate leaves the sensing area and sending the dislocation signal to the alarm through the processor;
the alarm is used for stopping alarming when the dislocation signal is received.
Further, the LED display device also comprises a radio frequency tag and a coding tag which are arranged on the LED substrate; the coded label comprises the substrate information parameter;
the inductor is a radio frequency identifier and generates the induction signal by inducing the radio frequency tag;
the man-machine interaction device is an image recognition camera, and receives the substrate information parameters by scanning the coding label.
Further, the processor further comprises a report generator, wherein the report generator is used for generating a report by combining the substrate information parameters, the timing starting time and the timing ending time of the timer and a preset report text template.
The invention also correspondingly discloses a sedimentation control method of the LED fluorescent powder, which comprises the following steps:
s1, a man-machine interaction device receives substrate information parameters input by a user and sends the substrate information parameters to a processor; the substrate information parameters comprise product information, sedimentation time parameters and induction area parameters of the LED substrate;
s2, the processor comprises a plurality of timers, binds one timer with the sensing area parameter, and inputs the settling time parameter into the bound timers;
s3, an inductor on an induction area of the induction table generates an induction signal when inducing the LED substrate and sends the induction signal to the processor;
s4, when the processor receives the induction signal, acquiring the induction area parameter of the induction area corresponding to the induction signal, and starting the timer bound with the induction area parameter;
s5, the timer generates an alarm signal when the sedimentation time parameter is counted, and the processor sends the alarm signal to an alarm;
s6, the alarm gives an alarm when receiving the alarm signal.
Further, the method further comprises the following steps:
and S71, displaying the sedimentation time parameter, the sensing area parameter, the state of the timer and the state of the alarm by a display.
Further, the method further comprises the following steps:
s72, when the sensor senses that the LED substrate leaves the sensing area, an off-position signal is generated and sent to the alarm through the processor; and the alarm stops alarming when receiving the dislocation signal.
Further, in the step S1, the man-machine interaction device is an image recognition camera, and receives the substrate information parameter by scanning a coding tag arranged on the LED substrate; the coded label comprises the substrate information parameter;
in the step S3, the inductor is a radio frequency identifier, and the induction signal is generated by inducing a radio frequency tag disposed on the LED substrate.
Further, the method further comprises the following steps:
s73, the report generator combines the substrate information parameters, the timing starting time and the timing ending time of the timer with a preset report text template to generate a report.
Compared with the prior art, the invention has the beneficial effects that:
the invention discloses a device and a method for controlling sedimentation of LED fluorescent powder, wherein an operator only needs to input sedimentation time into a timer of a processor through a man-machine interaction device, an inductor sends an induction signal to the processor to start the timer when sensing an LED substrate, the timer alarms through an alarm after the input sedimentation time, the operator can be prompted that the fluorescent powder of the LED substrate is settled, the next operation such as curing and baking can be performed, the condition that a color zone of a product drifts due to inconsistent sedimentation of the fluorescent powder caused by inaccurate standing sedimentation time after dispensing and packaging of COB materials can be effectively avoided, the color zone accuracy and the product shipment rate are effectively improved, and the stock pressure is reduced. Meanwhile, powerful guarantee is provided for standardization management and manufacturing procedures, product quality can be fully guaranteed, and accuracy, scientificity and product quality reliability of COB packaging manufacturing procedure technology are effectively guaranteed.
Drawings
FIG. 1 is a schematic structural view of an LED phosphor settlement control device according to embodiment 1 of the present invention;
FIG. 2 is a schematic view showing the appearance of the LED phosphor settlement control device according to the embodiment 1 of the invention;
FIG. 3 is a schematic view showing a display according to embodiment 1 of the present invention;
FIG. 4 is a schematic diagram of a report generated by the report generator described in embodiment 1 of the present invention;
fig. 5 is a schematic step diagram of the LED phosphor sedimentation control method described in example 2 of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
Example 1
As shown in fig. 1 and 2, embodiment 1 discloses an LED phosphor settlement control device, which includes: a processor 1 having a plurality of timers 11, a human-machine-interactive device 2 connected to the processor 1, and a sensing table 3 having a plurality of sensing areas 31;
the man-machine interaction device 2 is used for receiving substrate information parameters input by a user and sending the substrate information parameters to the processor 1; the substrate information parameters comprise product information, sedimentation time parameters and induction area parameters of the LED substrate; the processor 1 is used for binding a timer 11 with the sensing area parameter and inputting the sedimentation time parameter into the bound timer 11;
each sensing area 31 is provided with a sensor 32 and an alarm 33 which are connected to the processor 1, wherein the sensor 32 is used for generating a sensing signal when sensing the LED substrate and sending the sensing signal to the processor 1;
the processor 1 is configured to obtain an induction area parameter of an induction area 31 corresponding to the induction signal when receiving the induction signal, and start a timer 11 binding the induction area parameter; the timer 11 is used for generating an alarm signal when the sedimentation time parameter is counted, so that the processor 1 sends the alarm signal to the alarm 33 for alarming.
Through the control device disclosed by the above, an operator only needs to input the sedimentation time into the timer of the processor through the man-machine interaction device, the sensor sends an induction signal to the processor to start the timer when sensing the LED substrate, the timer gives an alarm through the alarm after the sedimentation time is input, the operator can be prompted that the fluorescent powder of the LED substrate is settled, the next operation such as curing and baking can be performed, the condition that the color zone of a product drifts due to inconsistent sedimentation of the fluorescent powder caused by inaccurate settlement time after COB material dispensing and packaging can be effectively avoided, the color zone accuracy and the shipment rate of the product are effectively improved, and the stock pressure is reduced. Meanwhile, powerful guarantee is provided for standardization management and manufacturing procedures, product quality can be fully guaranteed, and accuracy, scientificity and product quality reliability of COB packaging manufacturing procedure technology are effectively guaranteed.
Further, a display 4 connected to the processor is included for displaying the substrate information parameters, the status of the timer and the status of the alarm. One example of an interface for a particular display is shown in fig. 3, which may be used to fully present a variety of information.
Further, the sensor is used for generating a dislocation signal when sensing that the LED substrate leaves the sensing area and sending the dislocation signal to the alarm through the processor 1; the alarm is used for stopping alarming when receiving the dislocation signal. The alarm can alarm until an operator takes the LED substrate away for the next operation, and has a supervision function on the preparation work of the LED substrate.
Specifically, in an embodiment of the present invention, the human-computer interaction device may be a keyboard.
In a further embodiment, the LED display further comprises a radio frequency tag and a coded tag which are arranged on the LED substrate; the coded label contains substrate information parameters;
the inductor is a radio frequency identifier and generates an induction signal by inducing the radio frequency tag; the radio frequency sensor is used for sensing the radio frequency tag, so that the position of the LED substrate can be rapidly confirmed.
The man-machine interaction device is an image recognition camera and receives substrate information parameters through scanning the coded labels.
Specifically, the coded tag may be an image code such as a one-dimensional code or a two-dimensional code.
Further, the processor also comprises a report generator, wherein the report generator is used for generating a report by combining the substrate information parameters, the timing starting time and the timing ending time of the timer and a preset report text template. Specifically, an example of a report is shown in fig. 4, which can perform comprehensive data collection and display on the production process, so as to facilitate subsequent fault tracing or data analysis.
Specifically, the sensor can be a gravity sensor or an infrared sensor, so that the sensor can sense without arranging a label on the LED substrate and directly placing the LED substrate.
Further, the alarm can be a buzzer alarm or a flashing alarm lamp or a combination of the two, and an operator can select according to actual conditions in actual operation.
Example 2
As shown in fig. 5, the embodiment 2 discloses a method for controlling sedimentation of LED phosphor corresponding to the embodiment 1, and the technical effects are similar to those of the embodiment 1, and detailed description thereof is omitted herein, and the steps include:
s1, a man-machine interaction device receives substrate information parameters input by a user and sends the substrate information parameters to a processor; the substrate information parameters comprise product information, sedimentation time parameters and induction area parameters of the LED substrate;
s2, the processor comprises a plurality of timers, binds a timer with the sensing area parameters, and inputs the sedimentation time parameters into the bound timers;
s3, an inductor on an induction area of the induction table generates an induction signal when inducing the LED substrate and sends the induction signal to the processor;
s4, when the processor receives the induction signal, acquiring an induction area parameter of an induction area corresponding to the induction signal, and starting a timer binding the induction area parameter;
s5, the timer generates an alarm signal when the timer times to the sedimentation time parameter, and the processor sends the alarm signal to the alarm;
and S6, the alarm gives an alarm when receiving the alarm signal.
Further, the method further comprises the following steps:
s71, displaying sedimentation time parameters, sensing area parameters, states of a timer and states of an alarm by a display.
Further, the method further comprises the following steps:
s72, when the sensor senses that the LED substrate leaves the sensing area, an off-position signal is generated and sent to the alarm through the processor; the alarm stops alarming when receiving the dislocation signal.
Further, the method further comprises the following steps:
s73, the report generator combines the substrate information parameters, the timing starting time and the timing ending time of the timer with a preset report text template to generate a report.
Further, in step S1, the human-computer interaction device is an image recognition camera, and receives the substrate information parameters by scanning the coding label arranged on the LED substrate; the coded label contains substrate information parameters;
in step S3, the inductor is a radio frequency identifier, and generates an induction signal by inducing a radio frequency tag disposed on the LED substrate.
The present invention is not limited to the preferred embodiments, and any modifications, equivalent variations and modifications made to the above embodiments according to the technical principles of the present invention will still fall within the scope of the technical solutions of the present invention.
Claims (10)
1. An LED phosphor settlement control device, comprising: a processor having a plurality of timers, a human-machine interaction device connected to the processor, and an induction station having a plurality of induction areas;
the man-machine interaction device is used for receiving substrate information parameters input by a user and sending the substrate information parameters to the processor; the substrate information parameters comprise product information, sedimentation time parameters and induction area parameters of the LED substrate; the processor is used for binding one timer with the sensing area parameter and inputting the sedimentation time parameter into the bound timer;
each sensing area is provided with a sensor and an alarm which are connected to the processor, and the sensor is used for generating a sensing signal when sensing the LED substrate and sending the sensing signal to the processor; the processor is used for acquiring the induction area parameters of the induction area corresponding to the induction signal when receiving the induction signal, and starting the timer bound with the induction area parameters; the timer is used for generating an alarm signal when the sedimentation time parameter is counted, so that the processor sends the alarm signal to the alarm for alarming.
2. The LED phosphor settlement control device of claim 1, further comprising a display coupled to the processor for displaying the substrate information parameter, the status of the timer, and the status of the alarm.
3. The LED phosphor settlement control device of claim 1, wherein the sensor is configured to generate an off-position signal when the LED substrate is sensed to leave the sensing area and send the off-position signal to the alarm via the processor;
the alarm is used for stopping alarming when the dislocation signal is received.
4. The LED phosphor settlement control device of claim 1, further comprising a radio frequency tag and a coded tag disposed on the LED substrate; the coded label comprises the substrate information parameter;
the inductor is a radio frequency identifier and generates the induction signal by inducing the radio frequency tag;
the man-machine interaction device is an image recognition camera, and receives the substrate information parameters by scanning the coding label.
5. The LED phosphor settlement control device of claim 1, wherein the processor further comprises a report generator for generating a report by combining the substrate information parameter, the timing start time and the timing end time of the timer with a preset report text template.
6. The LED fluorescent powder sedimentation control method is characterized by comprising the following steps:
s1, a man-machine interaction device receives substrate information parameters input by a user and sends the substrate information parameters to a processor; the substrate information parameters comprise product information, sedimentation time parameters and induction area parameters of the LED substrate;
s2, the processor comprises a plurality of timers, binds one timer with the sensing area parameter, and inputs the settling time parameter into the bound timers;
s3, an inductor on an induction area of the induction table generates an induction signal when inducing the LED substrate and sends the induction signal to the processor;
s4, when the processor receives the induction signal, acquiring the induction area parameter of the induction area corresponding to the induction signal, and starting the timer bound with the induction area parameter;
s5, the timer generates an alarm signal when the sedimentation time parameter is counted, and the processor sends the alarm signal to an alarm;
s6, the alarm gives an alarm when receiving the alarm signal.
7. The method of controlling sedimentation of LED phosphor of claim 6, further comprising the steps of:
and S71, displaying the sedimentation time parameter, the sensing area parameter, the state of the timer and the state of the alarm by a display.
8. The method of controlling sedimentation of LED phosphor of claim 6, further comprising the steps of:
s72, when the sensor senses that the LED substrate leaves the sensing area, an off-position signal is generated and sent to the alarm through the processor; and the alarm stops alarming when receiving the dislocation signal.
9. The method according to claim 6, wherein in the step S1, the man-machine interaction device is an image recognition camera, and the substrate information parameter is received by scanning a coding tag disposed on the LED substrate; the coded label comprises the substrate information parameter;
in the step S3, the inductor is a radio frequency identifier, and the induction signal is generated by inducing a radio frequency tag disposed on the LED substrate.
10. The method of controlling sedimentation of LED phosphor of claim 6, further comprising the steps of:
s73, the report generator combines the substrate information parameters, the timing starting time and the timing ending time of the timer with a preset report text template to generate a report.
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| CN201811616813.8A CN109671655B (en) | 2018-12-27 | 2018-12-27 | LED fluorescent powder sedimentation control device and method |
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| CN201811616813.8A CN109671655B (en) | 2018-12-27 | 2018-12-27 | LED fluorescent powder sedimentation control device and method |
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| CN111617935A (en) * | 2020-06-04 | 2020-09-04 | 安徽英力电子科技股份有限公司 | Dispensing time control device |
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