KR20150123699A - Electronic shelf label tag and electronic shelf label system - Google Patents

Electronic shelf label tag and electronic shelf label system Download PDF

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Publication number
KR20150123699A
KR20150123699A KR1020150028970A KR20150028970A KR20150123699A KR 20150123699 A KR20150123699 A KR 20150123699A KR 1020150028970 A KR1020150028970 A KR 1020150028970A KR 20150028970 A KR20150028970 A KR 20150028970A KR 20150123699 A KR20150123699 A KR 20150123699A
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KR
South Korea
Prior art keywords
electronic price
power supply
display
power
rail
Prior art date
Application number
KR1020150028970A
Other languages
Korean (ko)
Inventor
조한진
류종기
윤동식
Original Assignee
삼성전기주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 삼성전기주식회사 filed Critical 삼성전기주식회사
Priority to US14/682,256 priority Critical patent/US20150310775A1/en
Priority to EP15163089.4A priority patent/EP2937830A1/en
Publication of KR20150123699A publication Critical patent/KR20150123699A/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07701—Constructional details, e.g. mounting of circuits in the carrier the record carrier comprising an interface suitable for human interaction
    • G06K19/07703—Constructional details, e.g. mounting of circuits in the carrier the record carrier comprising an interface suitable for human interaction the interface being visual
    • G06K19/07707—Constructional details, e.g. mounting of circuits in the carrier the record carrier comprising an interface suitable for human interaction the interface being visual the visual interface being a display, e.g. LCD or electronic ink
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/08—Payment architectures
    • G06Q20/20—Point-of-sale [POS] network systems
    • G06Q20/201—Price look-up processing, e.g. updating
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00—Commerce
    • G06Q30/06—Buying, selling or leasing transactions
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

Abstract

An electronic price display system according to an embodiment of the present invention includes at least one power supply device for generating and storing electrical energy using a solar cell and a power source driven by at least one power supply device, And at least one electronic price indicator for receiving and displaying product information from the repeater.

Description

[0001] ELECTRONIC SHELF LABEL TAG AND ELECTRONIC SHELF LABEL SYSTEM [0002]

The present application relates to an electronic price indicator and an electronic price display system.

An electronic shelf label (ESL) system includes an electronic price display repeater (e.g., a gateway), a plurality of electronic price indicators (e.g., electronic tags) connected to the electronic price display repeater via a wireless network, ≪ / RTI >

Here, the electronic price indicator requires constant current consumption to ensure communication with the electronic price display repeater. For this purpose, the electronic price indicator can use a coin battery as a power source, and it is necessary to replace the battery after a certain period of use (for example, several years).

Recently, research and development of a battery-free electronic price indicator is proceeding in terms of cost reduction, green technology and prolongation of life of electronic price indicator.

For example, it has been proposed to use a solar cell as a power source by applying it to each electronic price indicator. However, due to the high unit price of the solar cell, it is difficult to apply mass production and the size of the installable solar cell is also limited due to the limited size of the electronic price indicator, so that there is a limit to supply sufficient power for communication.

In this connection, Patent Document 1 described in the following prior art documents discloses an information display system, an information display apparatus, and an electronic shelf banknote.

Japanese Laid-Open Patent No. 2011-045430 (published on March 10, 2011).

There is a need in the art for a more efficient way to implement a battery free electronic price indicator.

In order to solve the above problems, an embodiment of the present invention provides an electronic price display system.

An electronic price display system according to an embodiment of the present invention may include at least one power supply device and at least one electronic price indicator.

Here, the at least one power supply device can generate and store electric energy using a solar cell, and includes a solar cell for converting solar energy into electric energy, a capacitor for storing electric energy generated by the solar cell, And a DC / DC converter that converts the electrical energy stored in the at least one electronic price indicator into a usable form in at least one electronic price indicator.

Also, the at least one electronic price indicator is driven by a power supplied from at least one power supply device, and can receive and display the product information from the electronic price display repeater.

Each of the at least one electronic price indicator may include a circuit unit that communicates with the electronic price display repeater and processes the product information received from the electronic price display repeater and a display unit that displays the product information under the control of the circuit unit have.

Also, the at least one electronic price indicator may be installed in a rail of a shelf for merchandise display, and the rail may be provided with a power line for powering at least one power supply with at least one electronic price indicator .

On the other hand, at least one power supply and at least one electronic price indicator each have a wireless charging antenna, and the at least one power supply may wirelessly supply power to at least one electronic price indicator.

Further, an embodiment of the present invention provides an electronic price indicator.

The electronic price indicator according to an embodiment of the present invention may include a circuit unit and a display unit.

Here, the circuit unit communicates with the electronic price display repeater, and can process the product information received from the electronic price display repeater.

Further, the display unit can display the goods information under the control of the circuit unit.

The electronic price indicator according to an embodiment of the present invention can be driven by a power supplied from an external power supply.

In addition, the means for solving the above-mentioned problems are not all enumerating the features of the present invention. The various features of the present invention and the advantages and effects thereof will be more fully understood by reference to the following specific embodiments.

According to an embodiment of the present invention, by implementing the battery-less electronic price indicator, it is possible to eliminate the restriction on the use period of the electronic price indicator according to the battery capacity, and to provide a more efficient electronic price display system.

1 is a block diagram of an electronic price display system according to an embodiment of the present invention.
2 is a block diagram of an electronic price indicator according to an embodiment of the present invention.
3 is a block diagram of a power supply apparatus provided in an electronic price display system according to an embodiment of the present invention.
4 is a diagram illustrating an example in which an electronic price indicator and a power supply are installed on a rail of a shelf according to an embodiment of the present invention.
5 is a diagram showing an example of the rear view of the electronic price indicator shown in Fig.
6 is a configuration block diagram of a system in which a circuit part and an electric power supply device of an electronic price indicator are integrated according to an embodiment of the present invention.
Fig. 7 is a diagram showing an example in which the system shown in Fig. 6 is installed on a rail of a shelf;
8 is a view showing an embodiment of the rear surface of the display panel shown in Fig.
9 is a view showing an embodiment of connection between the display panel and the shelf in the communication line shown in FIG.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, in order that those skilled in the art can easily carry out the present invention. In the following detailed description of the preferred embodiments of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. In the drawings, like reference numerals are used throughout the drawings.

In addition, in the entire specification, when a part is referred to as being 'connected' to another part, it may be referred to as 'indirectly connected' not only with 'directly connected' . Also, to "include" an element means that it may include other elements, rather than excluding other elements, unless specifically stated otherwise.

1 is a block diagram of an electronic price display system according to an embodiment of the present invention.

1, an electronic price display system according to an embodiment of the present invention includes an electronic price display server 100 (for example, an ESL server), a plurality of electronic price display repeaters 200 (for example, (E. G., An electronic tag), and further includes a plurality of power supply devices 400 that supply power to a plurality of electronic price indicators 300 and a plurality of electronic price indicators < RTI ID = And a rail 500 on which a plurality of electronic price indicators 300 are installed.

The electronic price display server 100 can transmit merchandise information including price information and the like to a plurality of electronic price display repeaters 200 through a wired communication network (for example, Ethernet).

For example, when there is an electronic price indicator 300 that requires updating of product information among a plurality of electronic price indicators 300, the electronic price display server 100 transmits updated product information to a plurality of electronic price display relays 200, Lt; / RTI >

Each of the plurality of electronic price display repeaters 200 can perform wireless communication with a plurality of electronic price indicators 300.

For example, each of the plurality of electronic price display repeaters 200 may transmit the product information received from the electronic price display server 100 to the corresponding electronic price indicator 300.

Each of the plurality of electronic price indicators 300 may receive product information from at least one of the plurality of electronic price display relays 200 and display the received product information.

For example, each of the plurality of electronic price indicators 300 may be in a sleep mode and then wake up periodically to communicate with at least one of the plurality of electronic price display relays 200 have. Accordingly, each of the plurality of electronic price indicators 300 can receive and display the updated product information from at least one of the plurality of electronic price display relays 200 when the product information needs to be updated.

Each of the plurality of electronic price indicators 300 may be installed on a rail 500 located at a front end of a shelf provided in the store to display product information on the products displayed on the store. For example, dozens (e.g., 20 to 30) electronic price indicators 300 may be installed on each rail 500 provided for each shelf.

Each of the plurality of electronic price indicators 300 does not have a separate battery for performing the above-described operation, and is provided with power from the power supply device 400 through a power supply line, etc., Can be supplied.

Each of the plurality of power supply units 400 may be installed on a shelf for displaying merchandise provided in a store and supply power required for operation by a plurality of electronic price indicators 300 installed on the shelf.

The plurality of power supply units 400 may be installed at least one shelf in each store or at least one shelf in at least one shelf. In addition, the positions where the plurality of power supply devices 400 are installed are not limited to the shelves.

The rail 500 is installed at the front end of the shelf provided in the store. A power supply line for supplying power to a plurality of electronic price indicators 300 provided on the rail 500 of the power supply device 400 or a communication line for data communication may be installed on the rail 500.

Hereinafter, the electronic price indicator 300 and the power supply device 400 according to an embodiment of the present invention will be described in more detail with reference to FIGS. 2 to 9. FIG.

2 is a block diagram of an electronic price indicator according to an embodiment of the present invention.

Referring to FIG. 2, the electronic price indicator 300 according to an embodiment of the present invention may include a circuit unit 310 and a display unit 320.

The circuit unit 310 is for performing data processing and communication for operation of the electronic price indicator 300 and may include a communication modem 311 and a processor 312. The circuit unit 310 may be implemented by, for example, a PCB (Printed Circuit Board) assembly or the like.

The communication modem 311 is for communicating with a plurality of electronic price display relays 200, and may be implemented by, for example, an RF modem for wireless communication.

The processor 312 processes the product information received through the communication modem 311 and controls the display unit 320 to display the product information. Processor 312 may include, for example, a central processing unit (CPU), a graphics processing unit (GPU), a microprocessor, an application specific integrated circuit (ASIC), field programmable gate arrays (FPGA)

The display unit 320 may include a driver 321 and a display panel 322 for displaying product information received through the circuit unit 310. [

The driver 321 functions to drive the product information to be displayed on the display panel 322 and may be implemented as a display IC having a memory such as a display RAM (Random Access Memory) or a register.

The display panel 322 is an area in which display information is displayed, for example, an electrophoretic display, an LCD (Liquid Crystal Display), or the like.

The circuit unit 310 and the display unit 320 may be implemented by hardware such as an interface pin or the like and the circuit unit 310 and the display unit 320 may be implemented as an I2C (Integrated Circuit) communication or SPI (Serial Peripheral Interface) communication.

3 is a block diagram of a power supply apparatus provided in an electronic price display system according to an embodiment of the present invention.

Referring to FIG. 3, a power supply 400 included in an electronic price display system according to an embodiment of the present invention may include a solar cell 410, a capacitor 320, and a DC / DC converter 430 have.

The solar cell 410 converts solar energy into electric energy. The structure and principle of the solar cell 410 are well known to those skilled in the art, and a detailed description thereof will be omitted.

Since the solar cell 410 is provided in the power supply unit 400 separately from the electronic price indicator 300, it can be selected according to the capacity required for driving the plurality of electronic price indicators 300 without limitation of the size thereof .

The capacitor 320 is connected to the solar cell 410 to store electric energy generated by the solar cell 410. The capacitor 320 may be a high capacity super capacitor such as an electric double layer capacitor (EDLC) . ≪ / RTI >

The DC / DC converter 430 may convert the power stored in the capacitor 320 into a plurality of electronic price indicators 300 so as to be used.

The power supply device 400 having the above-described configuration may be installed in a shelf provided in a store and supply power required for operation by a plurality of electronic price indicators 300 installed on the shelf.

4 is a diagram illustrating an example in which an electronic price indicator and a power supply are installed on a rail of a shelf according to an embodiment of the present invention.

As shown in FIG. 4, a power supply device 400 is installed at one end of a shelf provided in a store, and a plurality of electronic price indicators 300 may be installed on a rail of a shelf. Also, the power line may be constituted by a PCB or the like, for example, on the rail.

The power supply device 400 installed on the shelf and the plurality of electronic price indicators 300 are connected through a power line on a rail and the power supply device 400 is driven by a plurality of electronic price indicators 300 through a power line To provide the necessary power.

In the above-described embodiment, the power supply apparatus 400 supplies power to the plurality of electronic price indicators 300 through the power supply lines on the rails. However, the manner of supplying power is not limited thereto.

For example, the power supply device 400 and the plurality of electronic price indicators 300 may each have a wireless rechargeable antenna and supply power wirelessly.

5 is a diagram showing an example of the rear view of the electronic price indicator shown in Fig.

As shown in FIG. 5, the electronic price indicator 300 may be configured to contact the power supply line on the rail by configuring the power supply terminal 301 on the back side thereof.

The power supply terminal 301 may be configured at various positions such as the top surface, the bottom surface, and the side surface, depending on the form in which the electronic price indicator 300 is mounted on the rail as well as the rear surface of the electronic price indicator 300.

6 is a configuration block diagram of a system in which a circuit part and an electric power supply device of an electronic price indicator are integrated according to an embodiment of the present invention.

According to an embodiment of the present invention, the circuit unit 310 and the display unit 320 are separated from each other in the electronic price indicator 300 shown in FIG. 2, and the circuit unit 310 is connected to the power supply unit 400).

Referring to FIG. 6, the display terminal 320 'corresponds to the display unit 320 shown in FIG.

The control unit 600 is implemented by integrating the circuit unit 310 shown in FIG. 2 and the power supply unit 400 shown in FIG. 3. The circuit unit 310 'and the power supply unit 400' Circuit portion 310 (FIG. 2) and power supply 400 (FIG. 3).

6, each display terminal 320 'is connected to the control device 600 through a communication line on the rail, and can display the goods information under the control of the control device 600. [

In this case, since the display terminal 320 'does not need to perform RF communication with the electronic price display repeater to receive the product information, the power for driving is reduced as compared with the electronic price indicator 300 described with reference to FIG. 2, It is not necessary to provide a separate circuit part, so that the unit cost can also be lowered.

In addition, since the controller 600 performs wireless communication in place of the plurality of display terminals 320 ', the wireless transmission bandwidth can be more efficiently used.

Fig. 7 is a diagram showing an example in which the system shown in Fig. 6 is installed on a rail of a shelf;

As shown in FIG. 7, a control device 600 is installed at one end of a shelf provided in a store, and a plurality of display terminals 320 'may be installed on a rail of a shelf. Further, the rail may be formed of a power supply line and a communication line, for example, a PCB or the like.

The control device 600 and the plurality of display terminals 320 'installed on the shelf are connected to each other through a power line and a communication line on the rail, and the control device 600 can supply power to the plurality of display terminals 320' have.

When the product information displayed on the display terminal 320 'connected to the controller 600 is required to be updated, the controller 600 receives the updated product information from the electronic price display repeater and transmits the updated product information to the corresponding display terminal 320'Lt; / RTI > In this case, CAN (Controller Area Network) or RS-485 protocol or the like can be used for transferring the product information.

If the display terminal 320 'does not need to update the product information, the power supply unit 400' controls the DC / DC converter provided therein to shut off the power supplied to the display terminal 320 ' have. Accordingly, the power generated by the power supply unit 400 'can be used more efficiently.

8 is a view showing an embodiment of the rear surface of the display panel shown in Fig.

As shown in FIG. 8, the display panel 320 'may be configured to contact a power supply line and a communication line on the rail by configuring a power supply and a communication terminal 321' on the rear surface thereof. However, the position of the terminal is not necessarily limited to the rear surface of the display panel 320 '.

9 is a view showing an embodiment of connection between the display panel and the shelf in the communication line shown in FIG.

The terminals formed on the display panel 320 'configured as shown in FIG. 8 are each in contact with a power line and a communication line configured on the rail, as shown in FIG. 9, through which the display panel 320' Communication and power supply can be performed.

The present invention is not limited to the above-described embodiments and the accompanying drawings. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. In addition, all or a part of each of the above-described embodiments of the present invention may be selectively combined with each other.

100: Electronic price display server
200: Electronic price display repeater
300: Electronic price indicator
310:
311: Communication Modem
312: Processor
320:
321: Driver
322: Display panel
400: Power supply
410: solar cell
420: Capacitor
430: DC / DC converter
500: rail
600: control device

Claims (13)

At least one power supply for generating and storing electrical energy using a solar cell; And
And at least one electronic price indicator driven by a power supplied from the at least one power supply device and receiving and displaying the product information from the electronic price display repeater.
The method according to claim 1,
Wherein the at least one electronic price indicator is mounted on a rail of a shelf for merchandise display,
Wherein the rail is provided with a power line for powering the at least one power supply to the at least one electronic price indicator.
The method according to claim 1,
Wherein the at least one power supply and the at least one electronic price indicator each comprise a wireless charging antenna,
Wherein the at least one power supply wirelessly powers the at least one electronic price indicator.
The method according to claim 1,
Wherein each of the at least one electronic price indicator comprises:
A circuit unit that communicates with the electronic price display repeater and processes product information received from the electronic price display repeater; And
And a display unit for displaying the goods information under the control of the circuit unit.
The method according to claim 1,
Wherein the at least one power supply comprises:
Solar cells that convert solar energy into electrical energy;
A capacitor for storing electric energy generated by the solar cell; And
And a DC / DC converter converting the electrical energy stored in the capacitor into a usable form in the at least one electronic price indicator.
A controller for performing communication with the electronic price display repeater and processing product information received from the electronic price display repeater, and a power supply for generating and storing electric energy using the solar cell; And
And at least one display terminal driven by a power supplied from the control device and displaying the goods information under the control of the control device.
The method according to claim 6,
Wherein the at least one display terminal is mounted on a rail of a shelf for merchandise display,
Wherein the rail is provided with a power line and a communication line for power supply and data transmission between the control device and the at least one display terminal.
The method according to claim 6,
The power supply unit,
Solar cells that convert solar energy into electrical energy;
A capacitor for storing electric energy generated by the solar cell; And
And a DC / DC converter converting the electrical energy stored in the capacitor into a usable form in the at least one display terminal and providing the same.
9. The method of claim 8,
The power supply unit,
And controls the DC / DC converter to shut off the power provided to the at least one display terminal when the at least one display terminal does not need to update the product information.
The method according to claim 6,
Wherein the circuit unit receives updated merchandise information from the electronic price display repeater and transmits the updated merchandise information to the corresponding display terminal when the merchandise information displayed in at least one of the at least one display terminals is required to be updated.
A circuit unit that communicates with the electronic price display repeater and processes product information received from the electronic price display repeater; And
And a display unit for displaying the goods information under the control of the circuit unit,
An electronic price indicator driven by an external power supply.
12. The method of claim 11,
Wherein the electronic price indicator is installed on a rail of a shelf for displaying merchandise and is supplied with power from the power supply unit through a power supply line provided on the rail.
12. The method of claim 11,
The electronic price indicator further includes a wireless charging antenna, and is supplied with power from the power supply device wirelessly.
KR1020150028970A 2014-04-25 2015-03-02 Electronic shelf label tag and electronic shelf label system KR20150123699A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US14/682,256 US20150310775A1 (en) 2014-04-25 2015-04-09 Electronic shelf label tag and electronic shelf label system
EP15163089.4A EP2937830A1 (en) 2014-04-25 2015-04-10 Electronic shelf label tag and electronic shelf label system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020140050312 2014-04-25
KR20140050312 2014-04-25

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180015109A (en) * 2016-06-28 2018-02-12 우시 비전 피크 테크놀로지 컴퍼니 리미티드 Method for positioning and updating electronic price tag by graphic code
KR102042074B1 (en) * 2019-05-14 2019-11-27 현형호 Gas station price display equipped with Solar power supply
KR20210029078A (en) * 2019-09-05 2021-03-15 전병두 electronic price display device based on indoor light energy harvesting

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180015109A (en) * 2016-06-28 2018-02-12 우시 비전 피크 테크놀로지 컴퍼니 리미티드 Method for positioning and updating electronic price tag by graphic code
KR102042074B1 (en) * 2019-05-14 2019-11-27 현형호 Gas station price display equipped with Solar power supply
KR20210029078A (en) * 2019-09-05 2021-03-15 전병두 electronic price display device based on indoor light energy harvesting

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