JP2022002591A - Display device and plant display method - Google Patents

Abstract

To provide a display device having a sales promotion function, and a plant display method.SOLUTION: A display device of the present invention includes a display shelf for displaying a plurality of plants, an irradiation part for irradiating the displayed plants with light, and a control part for controlling the irradiation part. The control part highlights the irradiated plant by controlling at least one of control parameters, which comprises irradiation intensity, a blinking rate, an irradiation wavelength and an irradiation range, for at least one of the plurality of plants.SELECTED DRAWING: Figure 1

Description

The present invention relates to a display device for displaying plants and a method for displaying plants.

When displaying vegetables or fresh flowers, which are commercial products, in a display device such as a showcase in a store or the like, the plants may be irradiated with light for the purpose of improving the appearance of the plants.
Further, as a display device for plants, a device having a cultivation room for cultivating plants inside and allowing the cultivation room to be observed (visually) from the outside has been developed (see, for example, Patent Document 1). In the display device described in Patent Document 1, a lighting device is provided in the cultivation room, and the lighting device irradiates the plant with light to promote the growth of the plant.

Japanese Unexamined Patent Publication No. 2013-34402

In the display device, the displayed products are irradiated with light to arouse the purchase motivation of the customer. However, it is just right when displaying products such as plants whose quality (for example, freshness, flavor, size, etc.) differs depending on the type or individual and whose quality changes over time. It is difficult to identify a plant that is in full bloom (for example, a plant that is in full bloom or a plant that is in full bloom), and to appeal and convey the identified plant to the customer.
In addition, since plants may grow too much or deteriorate depending on the display environment (for example, lighting conditions and temperature conditions), it is necessary to pay attention to the display environment at the time of display and strive to maintain the quality. However, the appropriate display environment for maintaining quality differs depending on the type or individual of the plant. Therefore, it is difficult to individually control the display environment according to individual differences of plants and the like with lighting that irradiates the entire display device at once.
Furthermore, customers often have different tastes regarding the flavor or size of plants. Therefore, if it is not possible to properly recommend plants according to each customer's taste to the customer, there is a risk of losing sales opportunities.

The present invention has been made in view of the above circumstances, and an object of the present invention is to solve the following object.
An object of the present invention is to solve the above-mentioned problems of the prior art and to provide a display device having a sales promotion function and a method for displaying plants.

In order to solve the above problems, the display device of the present invention includes a display shelf for displaying a plurality of plants, an irradiation unit that irradiates the displayed plants with light, and a control unit that controls the irradiation unit. The control unit stands out the plant irradiated by controlling at least one of the control parameters consisting of irradiation intensity, blinking speed, irradiation wavelength and irradiation range for at least one of the plurality of plants. It is characterized by being able to do it.
According to the display device of the present invention configured as described above, at least one of the control parameters including the irradiation intensity, the blinking speed, the irradiation wavelength and the irradiation range is obtained for at least one of the plurality of plants displayed. Since one is controlled to make the irradiated plant stand out, it is possible to preferentially appeal to the customer the plant having the highest recommendation order from among the plurality of plants displayed, which has an excellent sales promotion function.
Specifically, it identifies and identifies plants that are in the right time to eat, plants that are in the right time, and controls control parameters to irradiate customers with light so as to make the plants that are in the right time stand out. You can appeal and convey it well. In addition, control parameters can be individually adjusted according to individual differences of plants, an appropriate display environment for each plant can be maintained, and a state of good quality can be maintained for a long time while suppressing the growth of plants. In addition, control parameters can be controlled to appropriately recommend plants according to each customer's preference.

Further, the display device of the present invention may further include a display unit that displays the state of the plant in an identifiable manner.
With the above configuration, the customer can identify the state of the plant by the explanation displayed on the display unit or the like, and can easily determine which plant is recommended at the right time. Therefore, it is possible to further appeal to customers the plants with the highest recommendation order from the displayed plants.

Further, the display device of the present invention may further include a voice unit that emits a voice that can identify the state of the plant.
With the above configuration, the customer can identify the state of the plant by the voice emitted from the voice unit or the like, and can easily determine which plant is recommended at the right time. Therefore, it is possible to further appeal to customers the plants with the highest recommendation order from the displayed plants.

Further, in the display device of the present invention, the control unit may gradually change the control parameters for a plurality of plants according to the recommended order.
With the above configuration, the customer can easily determine which plant is recommended at the right time by gradually changing the control parameter according to the recommended order, that is, the order of the plants to be emphasized. be able to. Therefore, it is possible to further appeal to customers the plants with the highest recommendation order from the displayed plants.

Further, the display device of the present invention further includes a detection unit for detecting an approaching person to the display shelf, and the control unit controls a control parameter to perform irradiation when the detecting unit detects an approaching person. It may be that.
With the above configuration, when a customer approaches, the plant can be efficiently irradiated by controlling the control parameters and irradiating, and the quality is good while suppressing the growth of the plant. The state can be maintained for a long time. Therefore, it is possible to further appeal to customers the plants with the highest recommendation order from the displayed plants.

Further, in the display device of the present invention, the detection unit may identify the attribute of the approaching person.
With the above configuration, by identifying the attributes of the approaching customers and controlling the control parameters according to the attributes, it is possible to appropriately recommend plants according to the tastes of each customer. Therefore, it is possible to further appeal to customers the plants with the highest recommendation order from the displayed plants.

Further, the display device of the present invention may further include a sensing unit for grasping the state of the plant.
With the above configuration, by grasping the state of the plants and controlling the control parameters according to the growth state of each plant, it is possible to accurately determine and stand out the plants at the right time. .. Therefore, it is possible to further appeal to customers the plants with the highest recommendation order from the displayed plants.

Further, in the display device of the present invention, the control unit may control the control parameters according to the display period of the plant.
With the above configuration, by controlling the control parameters according to the display period of the plants, it is possible to make the plants and the like at the right time according to the display period stand out. Therefore, it is possible to further appeal to customers the plants with the highest recommendation order from the displayed plants.

Further, the display device of the present invention may further have an operation unit for an approaching person to present a desired product.
With the above configuration, a customer who approaches the display shelf can present the product he / she desires by operating the operation unit, so that it is possible to appropriately recommend a plant according to each customer's preference. .. Therefore, it is possible to further appeal to customers the plants with the highest recommendation order from the displayed plants.

Further, in the display device of the present invention, the control unit may start the control of the control parameters after irradiating the plants after the start of the display of the plants.
With the above configuration, for example, even if a plant has not been irradiated with light before the start of display, the state of the plant can be obtained by starting control of control parameters after irradiating after the start of display. Can be kept good. Therefore, it is possible to further appeal to customers the plants with the highest recommendation order from the displayed plants.

Further, in the display device of the present invention, the control unit starts controlling the control parameters after irradiating the plant for a predetermined period according to the period during which the plant was not irradiated with light before the start of the display of the plant. , May be.
With the above configuration, for example, the state of the plant can be improved by starting the control of the control parameters after irradiating for a predetermined period after the start of the display according to the period during which the light was not irradiated before the start of the display. Can be kept. Therefore, it is possible to further appeal to customers the plants with the highest recommendation order from the displayed plants.

Further, in order to solve the above-mentioned problems, the plant display method of the present invention is a plant display method for displaying plants by a display device, in which a plurality of plants are displayed on a display shelf and displayed as plants. Light is emitted from the irradiation unit, the irradiation unit is controlled by the control unit, and in the control of the irradiation unit by the control unit, the irradiation intensity, blinking speed, irradiation wavelength and irradiation range are applied to at least one of a plurality of plants. It is characterized in that at least one of the control parameters consisting of is controlled to make the irradiated plant stand out.
According to the above method, at least one of the plurality of plants displayed was irradiated by controlling at least one of the control parameters consisting of irradiation intensity, blinking speed, irradiation wavelength and irradiation range. In order to make the plants stand out, it is possible to appeal to the customer the plant with the highest recommendation order from among the multiple plants displayed.

According to the present invention, it has a sales promotion function and can appeal the plants on display to the customer.

It is a figure which shows the appearance of the display apparatus which concerns on one Embodiment of this invention, and shows the cross section of the cultivation tray and the apparatus arranged inside thereof. It is explanatory drawing of the control system of the display apparatus which concerns on one Embodiment of this invention. It is a figure which shows the flow of the irradiation control processing in the display apparatus which concerns on one Embodiment of this invention.

A display device and a plant display method according to an embodiment of the present invention (hereinafter referred to as the present embodiment) will be described in detail with reference to the preferred embodiments shown in the accompanying drawings.
It should be noted that the embodiments described below are examples given for facilitating the understanding of the present invention, and do not limit the present invention. That is, the present invention may be modified or improved from the embodiments described below as long as it does not deviate from the gist thereof. Further, as a matter of course, the present invention includes the equivalent thereof.

<Basic configuration of the display device of this embodiment>
The display device of the present embodiment (hereinafter referred to as a display device 10) is a device for displaying plants and has the appearance shown in FIG. The display device 10 is arranged in stores and offices selling fresh foods such as greengrocers, supermarkets and department stores, and kitchens of accommodation facilities such as restaurants, hotels and inns.

Hereinafter, the configuration of the display device 10 installed in the store will be described by giving a specific example. The display device 10 is provided with a movable tool 12 such as a caster. For example, the display device 10 is arranged in a place in the store that is easily visible to visitors (customers) of the store during business hours of the store, and the store is located during non-operating hours. It is transported to the backyard of the store. However, the present invention is not limited to this, and the display device 10 may be fixedly installed at a predetermined position in the store at all times.

As shown in FIG. 1, the display device 10 displays edible plants such as vegetables and fruit trees or ornamental plants such as fresh flowers (hereinafter referred to as plant P) in a rooted state. More specifically, in the display device 10, a plurality of plants P that have grown to a sellable state are continuously cultivated by a hydroponic cultivation method, and the cultivated plants P are displayed in a visible state. "Cultivation" here means cultivation for maintaining the freshness of the plant P during the display period.

The plant P displayed by the display device 10 is not particularly limited as long as it is a plant to be sold in stores, but for example, basil, lemon basil, pakuchi, mint, mitsuba, parsley, celery, arugula, stevia, and rosemary. And basil and the like are given as an example.

As shown in FIG. 1, the display device 10 has a plurality of display shelves 14 arranged one above the other, a support column 16 that supports each display shelf 14, and a housing 18 that forms a base of the support column 16.

The display shelves 14 are plate-shaped members having a predetermined thickness, and in the case shown in FIG. 1, three display shelves 14 are provided, and each display shelf 14 is fixed to a support column 16 at regular intervals in the vertical direction. Cultivation trays 20 having an open upper surface are placed on the display shelves 14 on the second and third tiers from the top, respectively. Water is stored in the cultivation tray 20, and the planting plate 22 is floating on the liquid surface. In the cultivation tray 20, instead of water, a nutrient solution containing a component useful for cultivation (maintaining freshness) of the displayed plant P may be stored.

A plurality of through holes 22a having a predetermined size are formed in the planting plate 22, and as shown in FIG. 1, a cultivation cup 26 containing a medium 24 is fitted in each through hole 22a. The medium 24 is made of urethane or sponge formed into a substantially cubic shape, and holds the plant P by spreading the roots of the plant P in the medium 24. The cultivation cup 26 is, for example, a vinyl cup, and a bottom hole 26a is provided at the bottom thereof. When the cultivation cup 26 is fitted into the planting plate 22 and the bottom of the cup is immersed in the water or nutrient solution in the cultivation tray 20, the water or nutrient solution infiltrates the medium 24 contained in the cup through the bottom hole 26a. As a result, water or nutrient solution is supplied to the roots of the plant P held by the medium 24.

In the display device 10, the plant P was floated on the water or the nutrient solution in the cultivation tray 20 placed on the display shelf 14, specifically, the medium 24 for holding the root was immersed in the water or the nutrient solution. It is displayed in the state. The same type of plant P may be displayed or different types of plant P may be displayed among the plurality of display shelves 14 on which the cultivation tray 20 is placed.

Further, the display device 10 of the present embodiment is configured so that the plants P displayed on the display shelves 14 can be easily reached by humans. For example, the front surface of the space above each display shelf 14 is opened. It is composed. Therefore, the customer can access the plant P by standing in front of the display device 10 and reaching for the space above the display shelf 14 on which the plant P is displayed, grasp the plant P, and take it out of the display device 10. can.
The display shelf 14 may be surrounded by a glass plate, a transparent acrylic plate, or the like, and an opening / closing window or an opening / closing door for taking out the plant P may be provided at an appropriate place in the enclosure.

The period from when the plant P to be displayed is displayed on the display device 10 to when it is taken out for purchase or disposal corresponds to the display period of the plant P. The maximum value of the display period is determined according to the type of plant P. In addition, the display period is divided by a plurality of unit periods. The unit period is arbitrarily determined such as 1 minute or several minutes, 1 hour or several hours, or 1 day or several days, but in the present embodiment, 1 day is used as the unit period.

As shown in FIG. 1, the housing 18 contains a storage tank 28 for storing water or nutrient solution supplied to the cultivation tray 20 of each stage, and a circulation pump 30 for circulating the water or nutrient solution in the storage tank 28. And are housed. The circulation pump 30 sends the water or nutrient solution in the storage tank 28 to the cultivation tray 20 of each stage through a liquid feeding line (not shown), and the water or nutrient solution in the cultivation tray 20 is returned (not shown). It is returned to the storage tank 28 through the line.

In this embodiment, water or nutrient solution is circulated between the cultivation tray 20 of each stage and the storage tank 28. Therefore, the water temperature (liquid temperature) in the cultivation tray 20 can be lowered by providing a cooling device such as a chiller for cooling the water or liquid in the storage tank 28. However, the water or nutrient solution supply method is not limited to the circulation method, and the water or nutrient solution may be supplied into the cultivation tray 20 by a non-circulation method.

As shown in FIG. 1, the display device 10 includes an irradiation unit 32 that irradiates the plants P displayed on the display shelf 14 with light. In the present embodiment, the irradiation unit 32 is provided for each display shelf 14. Specifically, as shown in FIG. 1, a light source 34 for spot illumination is arranged on the lower surface of each of the display shelves 14 in the first and second stages from the top, and the light emitted by each light source 34 is The plant P displayed on the display shelf 14 directly below each light source 34 is irradiated.

The light source 34 includes an inorganic or organic LED (Light Emitting Diode) or a semiconductor light emitting element such as a laser, a fluorescent lamp, a mercury lamp, a rare gas lamp, a discharge tube such as an electrodeless lamp, a filament light emitter such as an incandescent lamp, and emitted light. Alternatively, those due to energy transition such as fluorescence can be used.
Further, the light source 34 of the irradiation unit 32 is not limited to the one that irradiates the plant P displayed on the display shelf 14 with light from above, and although not shown, the light source is arranged on the upper surface of the display shelf 14. The plant P displayed on the display shelf 14 may be irradiated with light from below.

In the present embodiment, the irradiation unit 32 is controlled by a control unit 40, which will be described later, with control parameters including irradiation intensity, blinking speed, irradiation wavelength, irradiation range, and the like.
For example, as a configuration for changing the irradiation intensity, the light emission intensity of the light source 34 may be changed, or the number of lights of the light source 34 per unit area may be changed. As a configuration for changing the blinking speed, the ON / OFF interval of each light source 34 may be lengthened or shortened. As a configuration for changing the irradiation wavelength, different types of light sources 34 such as warm colors, whites, reds, and blues may be incorporated into the irradiation unit 32. As a configuration for changing the irradiation range, the light source 34 for the irradiated area may be turned on and the light source 34 for the non-irradiated area may be turned off.

As shown in FIG. 2, the display device 10 includes a detection unit 36 for detecting an approacher to the display device 10 (strictly speaking, a display shelf 14) and a sensing unit 38 for grasping the state of the displayed plant P. A control unit 40 that controls light irradiation by the irradiation unit 32.

The detection unit 36 is composed of a known motion sensor mounted on the front surface of the display device 10, and detects a person as an approaching person when the person is located within a predetermined distance from the front surface of the display device 10. , Outputs a signal according to the detection result. For example, when a customer who visits the store is located within a predetermined distance from the display device 10, the motion sensor forming the detection unit 36 detects the customer.

The detection unit 36 is not limited to the motion sensor, but may be a camera that captures the vicinity of the display device 10 and an image analysis device that can analyze the image captured by the camera and determine the presence or absence of a person in the vicinity of the display device 10. It may be configured. At this time, the attribute (for example, gender or age) of the approaching customer may be identified from the image of the person analyzed by the image.
Further, for a customer whose attributes and other information are registered in advance on a server or the like (not shown), when the detection unit 36 detects a terminal or the like possessed by the customer, the information is collated with the registered information. The attributes of the approaching customer may be identified.

The sensing unit 38 is attached to the display device 10 and is composed of a camera that captures the vicinity of the plant P and an image analysis device that can analyze the captured image of the camera to determine the state of the plant P, and the analysis result thereof. Outputs a signal according to. The state of the plant P determined here includes the shape, size, color, presence / absence of fruiting, ripeness, etc. of the plant P.

The sensing unit 38 may be, for example, an optical sensor such as an infrared sensor other than a camera, an ultrasonic sensor, or the like. Further, a gas sensor or the like that measures the gas staying in the vicinity of the plant P and detects ethylene gas, an odorous component, or the like may be used. If it is a gas sensor or the like, it is possible to analyze the ripeness from the odor and the like as the state of the plant P.

The control unit 40 is composed of a drive control circuit (not shown) attached to a predetermined position of the display device 10. The drive control circuit consists of a memory and a processor that executes the program stored in the memory. As the processor, the circuit configuration is changed after manufacturing a general-purpose CPU (Central Processing Unit), FPGA (Field Programmable Gate Array), etc. Programmable Logic Device (PLD), which is a possible processor, and a dedicated electric circuit, which is a processor having a circuit configuration specially designed for performing specific processing such as ASIC (Application Specific Integrated Circuit), etc. It is available. Further, the control circuit may be configured by one of the various processors described above, or by a combination of two or more processors of the same type or different types, for example, a combination of a plurality of FPGAs, a combination of FPGAs and a CPU, and the like. It may be configured. Further, as typified by System on Chip (SoC), a processor that realizes the functions of the entire system including a plurality of control circuits with one IC (Integrated Circuit) chip may be used.

Further, the control unit 40 may be configured to include a computer (hereinafter referred to as a control computer) (hereinafter, not shown) that remotely controls the display device 10. In such a configuration, the display device 10 and the control computer are communicably connected by a wired method or a wireless method, and the drive control circuit on the display device 10 side receives a control signal from the control computer and uses the received control signal as the received control signal. The irradiation unit 32 is controlled accordingly.

The control unit 40 controls light irradiation by the irradiation unit 32, and specifically controls control parameters including irradiation intensity, blinking speed, irradiation wavelength, irradiation range, and the like of the light emitted from the irradiation unit 32. In this way, by controlling at least one of these control parameters, it is possible to irradiate a specific plant P among a plurality of plants P so as to stand out. The specific plant P referred to here includes, for example, a plant P having a high rank (recommended rank) of the plant P that is desired to stand out at just the right time.

The control unit 40 may control the control parameters for each display shelf 14, or may control the control parameters for each irradiation unit 32 or for each light source 34 of the irradiation unit 32 even in the same display shelf 14. good. For example, when the quality (for example, freshness, flavor, size, etc.) differs depending on the type or individual of the plant P displayed in the same display shelf 14, each light source 34 provided in the same irradiation unit 32 The irradiation intensity, blinking speed, irradiation wavelength, irradiation range, and the like of the light emitted from the plant P may be controlled to be different for each plant P according to the type or quality of the plant P.

As a specific method for changing the control parameter, for example, the light irradiation is limited to the recommended plant P, the light irradiation intensity is increased only to the recommended plant P, or the recommended method is used. It is preferable to control the light to blink only in the plant P.
Further, the brightness of a plurality of plants P may be changed stepwise according to the recommended order of the plants P. For example, according to the recommended order of the plant P, the illuminance is gradually increased by 1,000 lpx between 0 lpx and 10,000 lpx, and the plant P that is illuminated brighter is controlled to be more recommended.
Further, it may be controlled to irradiate only the recommended plant P with a specific color such as red or blue, or the color may be changed according to the recommended order of the plant P. When the color of the light to be irradiated is changed according to the recommended order of the plant P, the meaning of the color of the light may be explained by the display 42 or the speaker 44 described later.

Further, the control unit 40 may control the control parameters to perform irradiation only when the detection unit 36 detects an approaching customer. Further, the approaching customer may be controlled to irradiate an arbitrary plant P designated by an operation on the display 42 described later. In addition, for example, people who belong to a certain attribute tend to prefer plants with flavors such as XX, and based on those statistics, the customer's preference according to the customer's attribute, etc. It may be controlled to irradiate the plant P corresponding to the above. Further, the control parameter may be controlled and changed according to the display period of the plant P.

Further, the control unit 40 displays the plant P (for example, after harvesting, which has been boxed and transported in a light-blocked state), for which there was a period during which the display device 10 was not irradiated with light before the display was started. For the plant P) that has been harvested, the control of the control parameters may be started after the plant P is irradiated after the display of the plant P is started. At this time, the irradiation time to be irradiated or the amount of light to be irradiated before the start of control of the control parameter may be determined according to the period during which the light is not irradiated to the plant P.

Further, as shown in FIG. 1, the display device 10 according to the present embodiment has a display 42 as a display unit that displays the state of the plant P in an identifiable manner, and a voice unit that emits a voice that can identify the state of the plant P. As a speaker 44, and has.

The display 42 is installed at a suitable height in front of the display device 10, and gives a customer in the vicinity of the display device 10 an explanation of the plant P displayed on the display device 10, an explanation of the state of the plant P, or a plant P. Notify (display) recommended messages, etc. As the information displayed on the display 42, for example, when the color of the light to be irradiated is changed according to the recommended order of the plant P, an explanation about the color of the light (explanation about the recommended order of the plant P) and the like are displayed. do. The display 42 is an accessory device of the display device 10, and may not necessarily be provided.

Further, in the present embodiment, the display 42 is a touch panel having a position input function, and also has a function as an operation unit for a customer who approaches the display device 10 to present a desired product. An approaching customer can specify a product (plant P) that he / she wishes to purchase by performing an operation such as pushing or sliding a specific portion displayed on the display 42. The product designated by the operation unit is presented by being displayed on the display 42. Further, the control unit 40 may perform control such as irradiating the designated plant P with light so as to be conspicuous according to the signal based on the operation content, and present the desired product.
The operation unit is not limited to the case where it is integrated with the display 42, and an operation panel (not shown) or the like having input means such as various key buttons may be separately installed. Further, a microphone (not shown) or the like may be used to recognize the customer's voice.

The speaker 44 is installed at a suitable height in front of the display device 10, and gives a customer in the vicinity of the display device 10 an explanation of the plant P displayed on the display device 10, an explanation of the state of the plant P, or a plant P. Notify customers near the display device 10 of recommended messages and the like. As the information notified by the speaker 44, for example, when the color of the light to be irradiated is changed according to the recommended order of the plant P, the explanation about the color of the light (the explanation about the recommended order of the plant P) and the like are notified. do. That is, the case where the same information is guided by voice to the information displayed by the display 42 is also included. Further, the speaker 44 may be installed near the display 42, or the speaker 44 and the display 42 may be integrated. The speaker 44 is an accessory device of the display device 10, and may not necessarily be provided.

<Irradiation control in the display device of this embodiment>
In the present embodiment, the control unit 40 identifies at least one plant P among the plurality of plants P, and for the specified plant P, a control parameter including irradiation intensity, blinking speed, irradiation wavelength, and irradiation range. Light is emitted from the irradiation unit 32 so as to control at least one of the above and make the identified plant P stand out. As a result, it is possible to preferentially appeal to the customer the plant P having a high recommendation order and the right time from among the plurality of plants P displayed on the display device 10.

Here, the flow of the irradiation control process will be described with reference to FIG. The irradiation control process is executed by the control unit 40, the detection unit 36 controlled by the control unit 40, the sensing unit 38, the irradiation unit 32, the display 42, the speaker 44, and the like, and each time the plant P is displayed on the display device 10. It is repeated every time.

First, when the irradiation control process is executed, the plant P to be displayed is displayed on the display shelf 14 of the display device 10. Then, the control unit 40 controls the irradiation unit 32 and irradiates the plant P according to the period during which the light is not irradiated before the start of the display (S101).

Next, when the store is open (S102: YES), the detection unit 36 monitors the presence or absence of an approaching person to the display device 10, for example, a customer near the display device 10. When the detection unit 36 detects an approaching person (S103: YES), the control unit 40 identifies a plant P having a higher recommended order from the plurality of displayed plants P (S104). At this time, the plant P having a high recommendation order is the so-called recommended plant P, and the state of the plant P grasped by the sensing unit 38, the display period different for each plant P, or the approaching person detected by the detection unit 36. Specify according to the attributes of.

Then, the control unit 40 controls at least one of the control parameters including the irradiation intensity, the blinking speed, the irradiation wavelength, and the irradiation range, and makes the specified plant P stand out from the irradiation unit 32 with respect to the specified plant P. The control parameters are controlled by the display 42 or the speaker 44 so that the approacher can identify that the plant P, which is irradiated with light so as to be irradiated (S105), is recommended. Then, the information about the plant P irradiating the light is notified to the approaching person (S106), and the process is terminated.
If the store is out of business hours (S102: NO) and the detection unit 36 does not detect an approaching person (S103: NO), the process ends as it is.

<Other embodiments>
Although the display device of the present invention and the display method of plants have been described above with specific examples, the above-described embodiment is merely an example given for facilitating the understanding of the present invention, and other than the above. The embodiment of is also conceivable.

For example, in the above embodiment, a plurality of display shelves 14 arranged in the vertical direction are provided, and the plant P is displayed for each display shelf 14. That is, in the above embodiment, it is determined that there are a plurality of places where the plants P are displayed in one display device 10, but the present invention is not limited to this, and a plurality of plants P can be displayed. If possible, the display device may display the plant P at only one place.

10 Display device 12 Movable tool 14 Display shelf 16 Support 18 Housing 20 Cultivation tray 22 Planting plate 22a Through hole 24 Medium 26 Cultivation cup 26a Bottom hole 28 Storage tank 30 Circulation pump 32 Irradiation unit 34 Light source 36 Detection unit 38 Sensing unit 40 Control Part 42 Display 44 Speaker P Plant

Claims (12)

Display shelves for displaying multiple plants,
An irradiation part that irradiates the displayed plants with light,
It has a control unit that controls the irradiation unit, and has a control unit.
The control unit controls at least one of the control parameters consisting of irradiation intensity, blinking speed, irradiation wavelength, and irradiation range for at least one of the plurality of plants to make the irradiated plant stand out. Display device. The display device according to claim 1, further comprising a display unit that displays the state of the plant in an identifiable manner. The display device according to claim 1 or 2, further comprising a voice unit that emits a voice that can identify the state of the plant. The display device according to any one of claims 1 to 3, wherein the control unit changes the control parameters stepwise according to a recommended order for the plurality of plants. It also has a detector that detects an approaching person to the display shelf.
The display device according to any one of claims 1 to 4, wherein the control unit controls the control parameter to perform irradiation when the detection unit detects an approaching person. The display device according to claim 5, wherein the detection unit identifies the attribute of the approaching person. The display device according to any one of claims 1 to 6, further comprising a sensing unit for grasping the state of the plant. The display device according to any one of claims 1 to 7, wherein the control unit controls the control parameters according to the display period of the plant. The display device according to any one of claims 1 to 8, further comprising an operation unit for an approaching person to present a desired product. The display device according to any one of claims 1 to 9, wherein the control unit starts controlling the control parameters after irradiating the plants after the start of display of the plants. The control unit starts controlling the control parameters after irradiating the plant for a predetermined period according to the period during which the plant is not irradiated with light before the display of the plant is started. The display device according to any one of 10 to 10. It is a method of displaying plants by using a display device.
Display multiple plants on the display shelves,
Irradiate the displayed plants with light from the irradiation part,
The irradiation unit is controlled by the control unit, and the irradiation unit is controlled.
In the control of the irradiation unit by the control unit, at least one of the plurality of plants is irradiated by controlling at least one of the control parameters including the irradiation intensity, the blinking speed, the irradiation wavelength and the irradiation range. How to display plants to make them stand out.

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