KR101756114B1 - Phosphor mixing apparatus and phosphor mixing method - Google Patents

Phosphor mixing apparatus and phosphor mixing method Download PDF

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KR101756114B1
KR101756114B1 KR1020150133923A KR20150133923A KR101756114B1 KR 101756114 B1 KR101756114 B1 KR 101756114B1 KR 1020150133923 A KR1020150133923 A KR 1020150133923A KR 20150133923 A KR20150133923 A KR 20150133923A KR 101756114 B1 KR101756114 B1 KR 101756114B1
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phosphor
point
solvent
supply
weight
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KR1020150133923A
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Korean (ko)
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KR20170035168A (en
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김상협
최성옥
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주식회사 루멘스
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • B01F15/00123—
    • B01F15/00253—
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    • B01F15/0429—
    • B01F15/0441—

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Abstract

The present invention relates to a device for manufacturing a phosphor mixture and a method for manufacturing a phosphor mixture, the device comprising: a conveying device capable of sequentially conveying the loaded stirring container; A first solvent supply device for supplying a first solvent to the stirring container transferred to the first point; A first phosphor supplying device for supplying the first phosphor to the stirring vessel transferred to the 2-1 point; A second phosphor supply device for supplying the second phosphor to the stirring vessel transferred to the second -2 point; A second solvent supply device for supplying a second solvent to the stirring container transferred to the third point; An agitator for stirring the first solvent, the first fluorescent material, the second fluorescent material and the second solvent contained in the agitating vessel transferred to the fourth point to form a mixture; And a weight measuring sensor capable of measuring the weight of the stirring container transferred to the first point, the second-first point, the second-second point, the third point and the fourth point; And measuring or calculating an actual first phosphor supply weight of the first phosphor supplied at the second-1 point using the weight measuring sensor to set a second phosphor target value considering the actual first phosphor supply weight, And a controller for applying a second phosphor supply control signal reflecting the second phosphor target value to the second phosphor supply device when the agitating vessel arrives at the second -2 point.

Figure R1020150133923

Description

FIELD OF THE INVENTION [0001] The present invention relates to a method of manufacturing a phosphor mixture,

The present invention relates to a phosphor mixture preparation apparatus and a phosphor mixture preparation method, and more particularly, to a phosphor mixture preparation apparatus and a phosphor powder preparation method capable of producing a phosphor mixture without resetting a target value and an error range at each step, And a method for manufacturing a phosphor mixture.

Conventional white LEDs can be realized by installing a yellow phosphor alone on a blue LED or by mixing a certain amount of a phosphor such as green or red into a yellow phosphor to realize white light, This method can be generally used by mixing the phosphor particles with silicon and dispensing them in a reflective cup of an LED lead frame or by conformal coating on the chip surface.

Conventionally, in order to blend silicon and phosphor, which are a kind of binder, a series of processes in which each solvent is weighed according to a predetermined ratio and then stirred is manually injected into a stirring vessel, that is, a syringe.

In this case, the accuracy of the production of the solvent was lowered and the productivity was lowered.

An example of a method and an apparatus for automatically compounding the above-mentioned silicones and phosphors to improve the compounding by hand is disclosed in Korean Patent No. 1,362,584.

According to the above-mentioned No. 1,362,584, when a plurality of silicones and a plurality of phosphors are discharged by a set capacity, and the measured value measured by the weight measuring unit is determined to be less than or more than the set value, the operation is stopped to re-execute the previous step Although it will improve the time required for mixing with existing manual processes, additional time will be incurred if the operation is stopped, and there are additional problems that can mislead success and failure due to the error range of the weight measuring unit .

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a method and apparatus for continuously resetting a target value and an error range of a second phosphor based on the first and second phosphors, And a method for manufacturing a phosphor mixture. However, these problems are exemplary and do not limit the scope of the present invention.

According to an aspect of the present invention, there is provided an apparatus for manufacturing a phosphor mixture, comprising: a loading device for loading an agitating vessel; A transfer device capable of sequentially transferring the loaded stirring container to the first point, the second-first point, the second-second point, the third point and the fourth point sequentially; A first solvent supply device for supplying a first solvent to the stirring container transferred to the first point; A first phosphor supplying device for supplying the first phosphor to the stirring vessel transferred to the 2-1 point; A second phosphor supply device for supplying the second phosphor to the stirring vessel transferred to the second -2 point; A second solvent supply device for supplying a second solvent to the stirring container transferred to the third point; An agitator for stirring the first solvent, the first fluorescent material, the second fluorescent material and the second solvent contained in the agitating vessel transferred to the fourth point to form a mixture; An unloading device for unloading the stirring container containing the mixture from the conveying device; A weight measuring sensor capable of measuring the weight of the stirring container transferred to the first point, the second-first point, the second-second point, the third point and the fourth point; And a weight measuring sensor capable of measuring the weight of the stirring container transferred to the first point, the second-first point, the second-second point, the third point and the fourth point; And measuring or calculating an actual first solvent supply weight or a first phosphor supply weight of the first solvent or the first phosphor supplied at the first point or the second point-1 using the weight measuring sensor, The tolerance of the first phosphor target value or the tolerance of the second phosphor target value is reset together with the first phosphor target value or the second phosphor target value considering the actual first solvent supply weight or the actual first phosphor supply weight, When the container arrives at the second-first point or the second-second point, the first phosphor target value and the first phosphor target tolerance or the second phosphor target value are stored in the first phosphor supply device or the second phosphor supply device, The first phosphor supply control signal or the second phosphor supply control signal reflecting the phosphor target value and the second phosphor target tolerance Wherein the tolerance of the first phosphor target value or the tolerance of the second phosphor target value can be adjusted upward when the actual first solvent supply weight or the actual first phosphor supply weight exceeds the target value .

According to the present invention, the transfer device can transfer the loaded stirring container to the second and third points between the second and second points, and the second and third points And a third phosphor supply device for supplying the third phosphor to the transported agitating vessel, wherein the control part measures the actual second phosphor supply weight of the second phosphor supplied at the second point 2-2, And a third phosphor target value that reflects the third phosphor target value is set in the third phosphor supply device when the stirrer vessel reaches the second phosphorus point, A supply control signal can be applied.

According to another aspect of the present invention, there is provided an apparatus for measuring a weight of a first solvent, comprising: an actual first solvent supply weight of the first solvent; at least an actual first solvent supply weight; 2 fluorescent material supply weight and the actual third phosphor supply weight is set, and when the stirring container reaches the third point, the second solvent supply target is reflected to the second solvent supply device The second solvent supply control signal can be applied.

According to the present invention, the loading apparatus is a loading transfer robot for sequentially transferring the stirring vessels from a loading container for accommodating empty stirring vessels to the transferring apparatus, and the unloading apparatus comprises: The transfer robot is an unloading transfer robot for sequentially transferring the stirring vessels containing the mixture to an unloading container, wherein the transferring device is a conveying device, and the weight measuring sensor is installed in the transferring device, A measuring module of a wireless type in which a receiving portion is formed on an upper surface.

According to the present invention, the first phosphor and the second phosphor are a binder containing a silicon component or an epoxy component, and the first phosphor, the second phosphor and the third phosphor are UV light or blue A red phosphor for converting light into red light, a green phosphor for converting UV light or blue light into green light, a blue phosphor for converting UV light to blue light, and combinations thereof.

According to another aspect of the present invention, there is provided a method of manufacturing a phosphor mixture, comprising: loading a stirring vessel; A first point transfer step of transferring the stirred loading vessel to a first point using a transfer device; A first solvent supplying step of supplying a first solvent to the stirring vessel transferred to the first point; A second-1 point transfer step of transferring the stirring vessel to a second-1 point using the transfer device; A first phosphor supplying step of supplying the first phosphor to the stirring vessel transferred to the 2-1 point; Measuring or calculating the actual first phosphor supply weight of the first phosphor supplied at the 2-1 point by using a weight measuring sensor and calculating a second phosphor target weight based on the actual first phosphor supply weight, A second phosphor target value setting step in which the tolerance of the target value of the phosphor is reset, and the tolerance of the second target value of the phosphor is adjusted upward when the actual first phosphor supply weight exceeds the target value; A second-2-point transfer step of transferring the stirring container to a second -2 position using the transfer device; The control unit applies a second phosphor supply control signal reflecting the second phosphor target value and the tolerance of the second phosphor target value to the second phosphor supply apparatus to apply the second phosphor to the stirring vessel conveyed at the second -2 A second phosphor supplying step for supplying the second phosphor; A third point transfer step of transferring the stirring container to a third point using the transfer device; A second solvent supply step of supplying a second solvent to the stirring vessel transferred to the third point; A fourth point transfer step of transferring the stirring container to a fourth point using the transfer device; Stirring the first solvent, the first fluorescent material, the second fluorescent material and the second solvent contained in the stirring container transferred to the fourth point to form a mixture; And an unloading step of unloading the stirring container containing the mixture from the conveying device.

Further, according to the present invention, after the second phosphor supply step, the actual second phosphor supply weight of the second phosphor supplied at the second point 2-2 is measured or calculated by using the weight measuring sensor, A third phosphor target value setting step of setting a third phosphor target value in consideration of the second phosphor supply weight; A second to third point transfer step of transferring the stirring container to the second and third points using the transfer device; And a third fluorescent material supply control signal that reflects the third fluorescent material target value to the third fluorescent material supply device and supplies the third fluorescent material to the second fluorescent material supplying device, And a supply step.

According to the present invention, in the second solvent supply step, the actual first solvent supply weight of the first solvent or at least the actual first solvent supply weight, the actual first phosphor supply weight, A second solvent target value considering any one of the actual second phosphor supply weight and the actual third phosphor supply weight is set, and when the stirring vessel reaches the third point, the control unit controls the second solvent supply unit The second solvent supply control signal reflecting the second solvent target value can be applied.

According to another aspect of the present invention, there is provided a method of supplying a quantum dot to a stirring container, the method comprising: supplying a quantum dot to the stirring container before the second solvent supplying step.

According to some embodiments of the present invention as described above, even if the first phosphor has exceeded the error range, the target value and the error range of the second phosphor are reset based on the error, It is possible to produce a good quality product, thereby reducing production time and cost, thereby greatly improving the productivity and lowering the unit cost of the product. Of course, the scope of the present invention is not limited by these effects.

1 is a conceptual diagram showing an apparatus for producing a phosphor mixture according to some embodiments of the present invention.
FIGS. 2 to 7 are conceptual diagrams showing steps of manufacturing a phosphor mixture according to some embodiments of the present invention.
8 is a flow chart illustrating a method of manufacturing a phosphor mixture in accordance with some embodiments of the present invention.
Figure 9 is a flow chart illustrating a method of manufacturing a phosphor mixture in accordance with some other embodiments of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The embodiments of the present invention are described in order to more fully explain the present invention to those skilled in the art, and the following embodiments may be modified into various other forms, It is not limited to the embodiment. Rather, these embodiments are provided so that this disclosure will be more thorough and complete, and will fully convey the concept of the invention to those skilled in the art. In the drawings, the thickness and size of each layer are exaggerated for convenience and clarity of explanation.

Hereinafter, embodiments of the present invention will be described with reference to the drawings schematically showing ideal embodiments of the present invention. In the figures, for example, variations in the shape shown may be expected, depending on manufacturing techniques and / or tolerances. Accordingly, the embodiments of the present invention should not be construed as limited to the particular shapes of the regions shown herein, but should include, for example, changes in shape resulting from manufacturing.

1 is a conceptual diagram showing an apparatus 100 for producing a phosphor mixture according to some embodiments of the present invention.

1, a phosphor mixture manufacturing apparatus 100 according to some embodiments of the present invention includes a loading device 10, a transfer device 20, a first solvent supply device D1, A second phosphor supply device D2-2, a third phosphor supply device D2-3, a second solvent supply device D3, and an agitating device D2-2. The first phosphor supply device D2-1, the second phosphor supply device D2-2, An unloading device 20, a weighing sensor 30, and a control unit 40. [0033]

1, the loading device 10 is an apparatus for loading a hollow stirring container 1 into the conveying device 20, for example, a loading container for accommodating hollow stirring containers, (1) to the transfer device (20) sequentially from the transfer device (C1). However, the loading device 10 is not limited to the drawings, and various types of loading devices such as various pickup devices and loading arms may be applied.

1, the conveying device 20 is configured to move the stirring container 1 to a first point A1, a second point 1-A2-1, a second point 2-2 A belt, a chain, a wire, a rail, a roller, or the like, which can be sequentially transferred to the first, second, third and fourth points A2-2, A2-3, A3, Or the like. However, the transfer device 20 is not necessarily limited to the drawings, and various transfer devices such as various transfer robots, a transfer trailer, and a transfer stage can be applied.

1, the first solvent supply device D1 is a device for supplying a first solvent L1 to the stirring container 1 transferred to the first point A1, Type injector in which a liquid acting as a binder such as silicon or epoxy is firstly injected into an injector by using an actuator capable of advancing and retracting the piston to a cylinder of the shape. However, it is not necessarily limited to these, and a wide variety of feeding devices capable of injecting liquids can be applied.

1, the first phosphor supply device D2-1 is connected to the stirring vessel 1 transferred to the second-first point A2-1 through a first phosphor L2-1 ) Is an apparatus in the form of a dispenser in which the first phosphor (L2-1) in liquid form such as a red phosphor is injected by using an actuator capable of moving the piston back and forth in a cylinder in the form of a syringe have. However, it is not necessarily limited to these, and a wide variety of feeding devices capable of injecting liquids can be applied.

1, the second phosphor supply device D2-2 is connected to the agitating vessel 1 conveyed to the second-second point A2-2, and the second phosphor L2-2 (L2-2) which is different from the first phosphor (L2-1) such as a green phosphor by using an actuator capable of moving the piston back and forth in a cylinder in the form of a syringe, In the form of a dispenser. However, it is not necessarily limited to these, and a wide variety of feeding devices capable of injecting liquids can be applied.

1, the third phosphor supply device D2-3 is provided with the third phosphor (L2-3), which is supplied to the stirring vessel 1, (L2-3) different from the second phosphor (L2-2), such as a blue phosphor, by using an actuator capable of moving the piston back and forth in a cylinder in the form of a syringe, In the form of a dispenser. However, it is not necessarily limited to these, and a wide variety of feeding devices capable of injecting liquids can be applied.

1, the second solvent supply device D3 is a device for supplying the second solvent L3 to the stirring container 1 transferred to the third point A3, Type injector in which a liquid acting as a binder such as silicone or epoxy is injected into the cylinder by using an actuator capable of advancing and retracting the piston to the cylinder. However, it is not necessarily limited to these, and a wide variety of feeding devices capable of injecting liquids can be applied.

1, the stirring device D4 includes the first solvent L1, the first fluorescent material L2-C, and the second fluorescent material L2, which are accommodated in the agitating vessel 1 transferred to the fourth point A4, 1), the second phosphor (L2-2), the third phosphor (L2-3) and the second solvent (L3) are stirred to form a mixture (2) And may be various mixer-type devices for stirring the above-described liquids using an actuator for rotating or raising and lowering the stirrer. However, it is not necessarily limited to these, and a wide variety of stirring devices capable of stirring the liquid can be applied.

1, the unloading device 20 is an apparatus for unloading the stirring container 1 containing the mixture 2 from the conveying device 20, and the conveying device 20 For example, an unloading transfer robot for sequentially transferring the stirring vessels 1 containing the mixture from the unloading container 2 to the unloading container C2, For transferring from the apparatus 20 to the unloading container C2 sequentially. However, the unloading apparatus 20 is not limited to the drawings, and various types of loading apparatuses such as various pick-up apparatuses and unloading arms may be applied.

1, the weight measuring sensor 30 is provided with the first point A1, the second point 1-A2-1, the second point 2-2, (20) so as to measure the weight of the stirring vessel (1) conveyed to the third point (A2-3), the third point (A3) and the fourth point (A4) A plurality of conveyor belts can be installed at intervals.

More specifically, for example, the weighing sensor 30 may be provided in the conveying device 20, and may be of a wireless type in which the accommodating portion 31 is formed on the upper surface thereof so as to accommodate the stirring container 1 Measurement module. Therefore, the control unit 40 can receive various data in a wireless communication state with the weight measurement sensor 30. [

1, the loading device 10, the transfer device 20, the first solvent supply device D1, the first phosphor supply device D2-1, The second phosphor supply device D2-2, the third phosphor supply device D2-3, the second solvent supply device D3, the agitating device D4, and the unloading device D2. (20) can also transmit and receive various information in a wireless communication state with the controller (40).

For example, such a wireless communication may be a Bluetooth (Blue-tooth), an infrared data association (IRDA), a radio frequency (RF), a wireless LAN, an ultrawideband (UWB), an optical communication, a sound communication, Wi-Fi, WiBro, and so on. However, the present invention is not limited to this, and some of them can transmit and receive various information in a broadband communication network such as 2G, 3G, LTE, or the like.

1, the controller 40 controls the weight of the first solvent L1 supplied from the first point A1 using the weight measuring sensor 30, (D2-1) when the stirrer vessel (1) reaches the second-first point, and the second phosphor supply unit (D2-2) measures or calculates the target value of the first phosphor in consideration of the actual first solvent supply weight. A microprocessor, a semiconductor device, a computer, an arithmetic unit, a calculator, an MCU (Machine Control Unit / Micro Controller Unit), and a CPU (Central Processing Unit (CPU)) for applying a first phosphor supply control signal reflecting the first phosphor target value The control unit may be a control unit. The technical idea of the present invention to determine the amount to be inputted later based on the actually measured data is also applicable to the second phosphor L2-2. For example, The actual first phosphor supply weight of the first phosphor (L2-1) supplied from the second-first point (A2-1) is measured or calculated by using the actual first phosphor supply weight The target value of the second fluorescent material is set to the second phosphor supply device (D2-2) when the stirring vessel (1) reaches the second-second position (A2-2) A control including at least any one of a circuit for applying a 2-phosphor supply control signal, a program, a microprocessor, a semiconductor device, a computer, an arithmetic unit, a calculator, a machine control unit (MCU) Device. Of course, the idea of the present invention can also be applied to the third phosphor L2-3 and the second solvent L3.

For example, conventionally, when the first phosphor target value and the first solvent target value are out of the tolerance value, the control unit recognizes it as an error and notifies the operator of the error, and the operator stops the operation of the apparatus, D2-1) were repaired or adjusted.

However, according to the present invention, when the first phosphor and the first solvent target value are originally 1, and the supplied weight of the first phosphor and the first solvent actually supplied exceeds 2, it is not recognized as an error, And the second solvent target value and the tolerance are doubled, so that the process can be continued without stopping the apparatus.

Further, according to the present invention, even when the first phosphor and the first solvent target value are originally 1, and the actual first phosphor actually supplied and the first solvent supply weight are less than 0.5, the second phosphor target value and the second solvent target value And the tolerance can be adjusted down to 0.5 times to continue the process without stopping the device.

Therefore, as described above, it is possible to continuously produce high-quality products without interruption of transportation by resetting the input amount of the next car according to the target value and the error range, thereby greatly reducing the production time and cost, The unit price of the product can be lowered.

1, the controller 40 controls the weight of the second phosphor L2-2 supplied from the second-second point A2-2 using the weight measuring sensor 30, The second phosphor target weight is measured or calculated to set the target value of the third phosphor considering the actual second phosphor supply weight. When the stirring vessel 1 arrives at the second-third point A2-3, The third phosphor supply control signal reflecting the third phosphor target value can be applied to the third phosphor supply device D2-3.

The control unit 40 controls the weight measuring sensor 30 to measure the actual first solvent supply weight of the first solvent L1 or at least the actual first solvent supply weight, A second solvent target value considering either the actual second phosphor supply weight or the actual third phosphor supply weight is set; and when the stirring vessel (1) reaches the third point (A3), the second solvent supply The second solvent supply control signal reflecting the second solvent target value can be applied to the device D3.

Therefore, even if the ratios of the first phosphor (L2-1), the second phosphor (L2-2), and the third phosphor (L2-3) to the first solvent (L1) 2 solvent (L3) may be further supplied to adjust the overall ratio.

Here, the first solvent L1 and the second solvent L3 may be a binder containing a silicon component or an epoxy component, and the first phosphor L2-1 and the second phosphor L2- 2) and the third phosphor (L2-3) include red phosphors for converting UV light or blue light into red light, green phosphors for converting UV light or blue light into green light, UV light to blue light Light-converting blue phosphor, and combinations thereof.

FIGS. 2 to 7 are conceptual diagrams showing steps of manufacturing a phosphor mixture according to some embodiments of the present invention.

As shown in FIGS. 2 to 7, the phosphor mixture preparation process according to some embodiments of the present invention will be described step by step. First, as shown in FIG. 2, The stirring vessel 1 may be transferred to the first point A1 and the first solvent L1 may be supplied to the stirring vessel 1 transferred to the first point A1. Here, the target value of the first solvent (L1) may be reduced by an appropriate amount in advance for the second solvent (L2) to be supplied later. At this time, the actual supply amount of the first solvent (L1) may also be measured.

Next, as shown in Fig. 3, the stirring vessel 1 is transferred to the second-first point A2-1 using the transfer device 20, and the second-first point A2-1 The first fluorescent body L2-1 can be supplied to the stirring vessel 1 transferred to the stirring vessel 1 through the first stirring means.

Next, the actual first phosphor supply weight of the first phosphor (L2-1) supplied at the second-first point is measured or calculated by using the weight measurement sensor (30), and the actual first phosphor supply weight The target value of the second phosphor can be set.

Next, as shown in FIG. 4, the stirring vessel 1 is transferred to the second -2nd point A2-2 by using the transfer device 20, and the control unit 40 supplies the second phosphor The second fluorescent material supply control signal reflecting the second fluorescent target value is applied to the device D2-2 and the second fluorescent material L2- 2).

Next, the actual second phosphor supply weight of the second phosphor (L2-2) supplied at the second-second point (A2-2) is measured or calculated by using the weight measurement sensor (30) The target value of the third phosphor in consideration of the weight of the two phosphors can be set.

Subsequently, as shown in FIG. 5, the stirring vessel 1 is transferred to the second and third points A2-3 using the transfer device 20, and the controller 40 controls the third phosphor A third fluorescent material supply control signal reflecting the third fluorescent target value is applied to the supply device D2-3 to apply the third fluorescent material to the third fluorescent material L2-3).

Subsequently, as shown in FIG. 6, the stirring vessel 1 is transferred to the third point A3 using the transfer device 20, and the stirring vessel (not shown) 1) of the second solvent (L3).

At this time, the actual first solvent supply weight of the first solvent (L1) or at least the actual first solvent supply weight, the actual first phosphor supply weight, the actual second phosphor The control unit 40 sets the second solvent target value in consideration of any one of the supply weight and the actual third phosphor supply weight, and when the stirring container 1 reaches the third point A3, The second solvent supply control signal reflecting the second solvent target value can be applied to the supply device D3.

Subsequently, as shown in Fig. 7, the stirring vessel 1 is transferred to the fourth point A4 by using the transfer device 20, and the stirring vessel (not shown) The first phosphor L1, the first phosphor L2-1, the second phosphor L2-2, the third phosphor L2-3, and the second solvent L3, The mixture 2 can be formed by stirring the mixture 2 and then the stirring vessel 1 containing the mixture 2 can be unloaded from the transfer device 20. [

8 is a flow chart illustrating a method of manufacturing a phosphor mixture in accordance with some embodiments of the present invention. FIG. 8 is a view showing a case where the present invention in which three kinds of phosphors, that is, the first phosphors (L2-1), the second phosphors (L2-2) and the third phosphors (L2-3) A loading step S1 for loading the stirring vessel 1 and a stirring step for supplying the stirring vessel 1 loaded using the feeding device 20 to the first point (S3) for supplying a first solvent (L1) to the stirring vessel (1) transferred to the first point (A1), and a second solvent supplying step , A second-1 point transfer step (S4) of transferring the stirring container (1) to the second-first point (A2-1) using the transfer device (20) 1) supplying the first phosphor (L2-1) to the stirring vessel (1) transferred to the stirring chamber (1) The phosphor of the first phosphor (L2-1) A second phosphor target value setting step (S6) of measuring or calculating the first phosphor supply weight and setting a second phosphor target value considering the actual first phosphor supply weight; and a second phosphor target value setting step A second-2-point transfer step (S7) for transferring the first phosphor target (1) to the second phosphor point (A2-2), and the controller (40) (S8) for supplying a second phosphor (L2-2) to the stirring vessel (1) conveyed to the second-second point (A2-2) by applying a second phosphor supply control signal reflecting the second phosphor- And measuring or calculating the actual second phosphor supply weight of the second phosphor (L2-2) supplied from the second-second point (A2-2) using the weight measuring sensor (30) A third phosphor target value setting step (S14) of setting a third phosphor target value in consideration of the second phosphor supply weight, A second 2-3 position transfer step (S15) of transferring the stirring container (1) to the second 2-3 position (A2-3) using the transfer device (20), and the controller (40) A third fluorescent material supply control signal reflecting the third fluorescent target value is applied to the supply device D2-3 to apply the third fluorescent material to the third fluorescent material And a third point transfer step S9 for transferring the stirring container 1 to the third point A3 by using the transfer device 20. The third point S6 is used to transfer the first phosphor to the third point A3, A second solvent supplying step (S10) of supplying a second solvent (L3) to the stirring vessel (1) transferred to the third point (A3) (L1) received in the agitating vessel (1), which is transferred to the fourth point (A4), and a fourth point (S11) The first phosphor (L2-1), the phase (S12) for stirring the second phosphor (L2-2), the third phosphor (L2-3) and the second solvent (L3) to form a mixture (2) And an unloading step (S13) of unloading the stirring container (1) from the transfer device (20).

Here, the second solvent supplying step (S10) may be performed by using the weight measuring sensor (30) so that the actual first solvent supplying weight or the actual first solvent supplying weight of the first solvent (L1) A second solvent target value considering one of the first phosphor supply weight, the actual second phosphor supply weight, and the actual third phosphor supply weight is set, and when the stirring vessel 1 reaches the third point A3, The controller 40 may apply the second solvent supply control signal reflecting the second solvent target value to the second solvent supply device D3. However, the number of types of the phosphor to be mixed may be two or more than four, or three or more.

The method may further include a quantum dot supplying step of supplying a quantum dot to the stirring vessel before the second solvent supplying step.

Figure 9 is a flow chart illustrating a method of manufacturing a phosphor mixture in accordance with some other embodiments of the present invention.

FIG. 9 is a view illustrating a method for manufacturing a phosphor mixture according to some embodiments of the present invention, in which two kinds of phosphors, that is, the first phosphor (L2-1) and the second phosphor (L2-2) 9, a method of manufacturing a phosphor mixture according to some embodiments of the present invention includes a loading step S1 for loading an agitating vessel 1, a loading step S1 for loading the stirring vessel 1, A first point transfer step S2 for transferring the stirring vessel 1 to the first point A1 and a second point transfer step S2 for transferring the first solvent L1 to the stirring vessel 1 transferred to the first point A1 (S4) for feeding the stirring container (1) to the second-first point (A2-1) using the transfer device (20) (S5) for supplying the first phosphor (L2-1) to the stirring vessel (1) transferred to the second-first point (A2-1), and a second phosphor supplying step ) (2-1) that measures the actual first phosphor supply weight of the first phosphor (L2-1) supplied at the second point-1 and calculates the second phosphor target value using the actual first phosphor supply weight 2 phosphor point setting step S6 for transferring the stirring vessel 1 to the second -2 point A2-2 using the transfer device 20 and a second 2-2 point transfer step S7 for transferring the stirring vessel 1 to the second- , The control unit 40 applies a second phosphor supply control signal reflecting the second phosphor target value to the second phosphor supply unit D2-2 and supplies the second phosphor supply control signal to the second vessel A2-2, A second fluorescent material supplying step S8 for supplying the second fluorescent material L2-2 to the first fluorescent material 1 and the second fluorescent material supplying step S8 for feeding the stirring container 1 to the third point A3 using the conveying device 20 And a second solvent supply step of supplying a second solvent (L3) to the stirring vessel (1) transferred to the third point (A3) A fourth point transfer step (S11) of transferring the stirring container (1) to the fourth point (A4) using the transfer device (20) The first phosphor L1, the first phosphor L2-1, the second phosphor L2-2 and the second solvent L3 accommodated in the stirring container 1 are stirred to prepare a mixture 2 And an unloading step (S13) of unloading the stirring container (1) containing the mixture (2) from the transfer device (20).

While the present invention has been described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

Claims (9)

A loading device for loading an agitating vessel;
A transfer device capable of sequentially transferring the loaded stirring container to the first point, the second-first point, the second-second point, the third point and the fourth point sequentially;
A first solvent supply device for supplying a first solvent to the stirring container transferred to the first point;
A first phosphor supplying device for supplying the first phosphor to the stirring vessel transferred to the 2-1 point;
A second phosphor supply device for supplying the second phosphor to the stirring vessel transferred to the second -2 point;
A second solvent supply device for supplying a second solvent to the stirring container transferred to the third point;
An agitator for stirring the first solvent, the first fluorescent material, the second fluorescent material and the second solvent contained in the agitating vessel transferred to the fourth point to form a mixture;
An unloading device for unloading the stirring container containing the mixture from the conveying device;
A weight measuring sensor capable of measuring the weight of the stirring container transferred to the first point, the second-first point, the second-second point, the third point and the fourth point; And
A weight measuring sensor capable of measuring the weight of the stirring container transferred to the first point, the second-first point, the second-second point, the third point and the fourth point; And
Measuring or calculating the actual first solvent supply weight or the first phosphor supply weight of the first solvent or the first phosphor supplied at the first point or the second point-1 using the weight measuring sensor, The tolerance of the first phosphor target value or the tolerance of the second phosphor target value is reset together with the first phosphor target value or the second phosphor target value considering the first solvent supply weight or the actual first phosphor supply weight, The first phosphor target or the first phosphor target tolerance or the second phosphor target value may be stored in the first phosphor supply device or the second phosphor supply device, A first phosphor supply control signal or a second phosphor supply control signal reflecting the target value and the second phosphor target tolerance is applied And a controller
The tolerance of the first phosphor target value or the tolerance of the second phosphor target value is adjusted upward when the actual first solvent supply weight or the actual first phosphor supply weight exceeds the target value. The method according to claim 1,
The transfer device may transfer the loaded stirring container to the second and third points between the second point 2 and the third point,
And a third phosphor supply device for supplying the third phosphor to the stirring vessel transferred to the second and third points,
Wherein,
Measuring or calculating the actual second phosphor supply weight of the second phosphor supplied at the second point 2-2 to set a third phosphor target value considering the actual second phosphor supply weight, The third phosphor supply control signal reflecting the third phosphor target value is applied to the third phosphor supply device. 3. The method of claim 2,
Wherein,
The actual first solvent supply weight of the first solvent, the actual first solvent supply weight, the actual first phosphor supply weight, the actual second phosphor supply weight, and the actual third phosphor supply weight And a second solvent supply control signal that reflects the second solvent target value to the second solvent supply device when the stirring container arrives at the third point, Mixing device. The method according to claim 1,
The loading device includes:
A transferring robot for loading, which sequentially transfers the stirring vessels from a loading container for accommodating empty stirring vessels to the transferring apparatus,
The unloading apparatus includes:
And an unloading conveying robot for sequentially conveying the stirring vessels containing the mixture from the conveying apparatus to an unloading container,
The conveying device is a conveying device,
Wherein the weight measuring sensor is a wireless measuring module provided on the conveying device and having a receiving portion formed on an upper surface thereof so as to receive the stirring container. 3. The method of claim 2,
Wherein the first solvent and the second solvent are binders containing a silicon component or an epoxy component,
The first phosphor, the second phosphor, and the third phosphor may be red phosphor that photo-converts UV light or blue light into red light, green phosphor that photo-converts UV light or blue light into green light, A blue phosphor for photo-converting into blue light, and combinations thereof. A loading step of loading an agitating vessel;
A first point transfer step of transferring the stirred loading vessel to a first point using a transfer device;
A first solvent supplying step of supplying a first solvent to the stirring vessel transferred to the first point;
A second-1 point transfer step of transferring the stirring vessel to a second-1 point using the transfer device;
A first phosphor supplying step of supplying the first phosphor to the stirring vessel transferred to the 2-1 point;
Measuring or calculating the actual first phosphor supply weight of the first phosphor supplied at the 2-1 point by using a weight measuring sensor and calculating a second phosphor target weight based on the actual first phosphor supply weight, A second phosphor target value setting step in which the tolerance of the target value of the phosphor is reset, and the tolerance of the second target value of the phosphor is adjusted upward when the actual first phosphor supply weight exceeds the target value;
A second-2-point transfer step of transferring the stirring container to a second -2 position using the transfer device;
The control unit applies a second phosphor supply control signal reflecting the second phosphor target value and the tolerance of the second phosphor target value to the second phosphor supply apparatus to apply the second phosphor to the stirring vessel conveyed at the second -2 A second phosphor supplying step for supplying the second phosphor;
A third point transfer step of transferring the stirring container to a third point using the transfer device;
A second solvent supply step of supplying a second solvent to the stirring vessel transferred to the third point;
A fourth point transfer step of transferring the stirring container to a fourth point using the transfer device;
Stirring the first solvent, the first fluorescent material, the second fluorescent material and the second solvent contained in the stirring container transferred to the fourth point to form a mixture; And
An unloading step of unloading the stirring container containing the mixture from the conveying device;
≪ / RTI > The method according to claim 6,
After the second phosphor supplying step,
A third target value setting unit for setting a target value of the third phosphor in consideration of the actual second phosphor supply weight by measuring or calculating the actual second phosphor supply weight of the second phosphor supplied at the second phosphorus point by using the weight measuring sensor, A phosphor target value setting step;
A second to third point transfer step of transferring the stirring container to the second and third points using the transfer device; And
The control unit applies a third fluorescent material supply control signal reflecting the third fluorescent target value to the third fluorescent material supplying device to supply a third fluorescent material to the stirring container conveyed to the second fluorescent material supplying device step;
≪ / RTI > 8. The method of claim 7,
Wherein the second solvent supply step comprises:
The actual first solvent supply weight of the first solvent, the actual first solvent supply weight, the actual first phosphor supply weight, the actual second phosphor supply weight, and the actual third phosphor supply weight The control unit sets a second solvent supply control signal reflecting the second solvent target value to the second solvent supply device when the stirring container reaches the third point Gt; to < / RTI > 8. The method of claim 7,
And supplying a quantum dot to the stirring vessel before the second solvent supplying step.
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