技术领域technical field
本发明涉及一种具有防伪功能的RFID电子标签，属于射频电子标签技术领域。The invention relates to an RFID electronic label with an anti-counterfeiting function, belonging to the technical field of radio frequency electronic labels.
背景技术Background technique
在现实生活中，有些不良商家为了追逐利益，会使各种各样的假冒伪劣产品流入市场。消费者越来越重视自身权益的维护，虽然有些商品上设置有可供消费者鉴别的防伪标识，但这些防伪标识本身就容易被仿冒。因此，需要一种行之有效的手段来识别假冒伪劣产品，RFID电子标签在包装防伪上的应用也开始引起高度重视。RFID(RadioFrequencyIdentification，射频识别)技术是一种利用无线信号来实现自动识别或数据交换的射频技术，典型的射频识别系统由RFID标签芯片、读写器以及数据交换、管理系统等组成，如图1所示，读写器通过读写RFID标签芯片来识别商品的真伪，当RFID标签芯片待机或休眠时无法识别商品的真伪。In real life, some unscrupulous merchants will make all kinds of fake and inferior products flow into the market in order to pursue profits. Consumers pay more and more attention to the protection of their own rights and interests. Although some commodities are equipped with anti-counterfeiting marks that can be identified by consumers, these anti-counterfeiting marks themselves are easy to be counterfeited. Therefore, an effective means is needed to identify counterfeit and shoddy products, and the application of RFID electronic tags in packaging anti-counterfeiting has also begun to attract great attention. RFID (Radio Frequency Identification) technology is a radio frequency technology that uses wireless signals to realize automatic identification or data exchange. A typical radio frequency identification system consists of RFID tag chips, readers, data exchange, and management systems, as shown in Figure 1. As shown, the reader reads and writes the RFID tag chip to identify the authenticity of the product. When the RFID tag chip is in standby or dormant, it cannot identify the authenticity of the product.
RFID电子标签按照供电方式不同，可区分有源RFID标签和无源RFID标签，通过电池来提供电能支持标签工作的称为有源RFID标签；无需电池供能，通过射频信号电磁感应提供电能支持标签工作的称为无源RFID标签；有源RFID标签相比无源RFID标签具有识别距离远、扩展性好、智能化程度高等特性在最近几年中得到了蓬勃的发展和广泛的运用，但有源RFID标签一次封装，当电池能量耗尽时，标签就不能使用了，严重限制了使用寿命。According to different power supply methods, RFID electronic tags can distinguish between active RFID tags and passive RFID tags. The tags that provide power through batteries to support the work of tags are called active RFID tags; no battery power supply is required, and the tags are powered by radio frequency signal electromagnetic induction. The working ones are called passive RFID tags; compared with passive RFID tags, active RFID tags have the characteristics of long recognition distance, good scalability, and high degree of intelligence. In recent years, they have been vigorously developed and widely used, but there are The source RFID tag is packaged once, and when the battery energy is exhausted, the tag cannot be used, which seriously limits the service life.
发明内容Contents of the invention
本发明的目的是提供一种具有防伪功能的RFID电子标签，以解决RFID标签待机时无法识别商品真伪的问题。The purpose of the present invention is to provide an RFID electronic tag with anti-counterfeiting function, so as to solve the problem that the authenticity of goods cannot be identified when the RFID tag is in standby.
本发明为解决上述技术问题提供了一种具有防伪功能的RFID电子标签，该电子标签包括RFID控制芯片、电致发光器件和蓄电池，蓄电池与RFID控制芯片和电致发光器件连接，分别用于为RFID芯片和电致发光器件提供电源，所述电致发光器件的电极与RFID控制芯片连接，利用电致发光器件的电极作为电子标签的射频天线。In order to solve the above technical problems, the present invention provides an RFID electronic label with an anti-counterfeiting function. The electronic label includes an RFID control chip, an electroluminescent device and a storage battery, and the storage battery is connected with the RFID control chip and the electroluminescent device, respectively for The RFID chip and the electroluminescent device provide power, the electrodes of the electroluminescent device are connected with the RFID control chip, and the electrodes of the electroluminescent device are used as the radio frequency antenna of the electronic tag.
所述的电子标签还包括光伏电池和电池管理控制模块，所述光伏电池通过电池管理控制模块分别与RFID控制芯片和电致发光器件连接，用于为RFID控制芯片和电致发光器件供电。The electronic tag also includes a photovoltaic cell and a battery management control module, and the photovoltaic cell is respectively connected to the RFID control chip and the electroluminescent device through the battery management control module to provide power for the RFID control chip and the electroluminescent device.
所述光伏电池可作为RFID电子标签的寄生ESD保护元器件。The photovoltaic cell can be used as a parasitic ESD protection component of an RFID electronic tag.
所述的RFID控制芯片、电致发光器件和光伏电池均采用薄膜电子器件制作而成。The RFID control chip, the electroluminescent device and the photovoltaic cell are all made of thin film electronic devices.
所述的电源管理控制模块为一个可管理的充电及电源输出控制选择的电路或装置，具备多路电源输出管理功能，光伏电池或蓄电池供电时，通过电源管理控制模块，使其达到RFID控制芯片和电致发光器件的工作电源要求。The power management control module is a circuit or device that can manage charging and power output control selection, and has a multi-channel power output management function. And the working power requirements of electroluminescent devices.
当光能充裕时，由光伏电池通过电源管理控制模块为RFID控制芯片和电致发光器件提供工作电源，剩余电量通过电源管理控制模块对蓄电池进行充电；当光能无法满足要求时，由蓄电池向RFID控制芯片和电致发光器件提供工作电源，保证电子标签的通信质量。When the light energy is sufficient, the photovoltaic battery provides working power for the RFID control chip and the electroluminescent device through the power management control module, and the remaining power is used to charge the battery through the power management control module; The RFID control chip and the electroluminescent device provide working power to ensure the communication quality of the electronic tag.
当RFID控制芯片接收射频信号进行通信读写工作时，电源管理控制模块自动断开电致发光器件电源；当RFID标签控制芯片待机或休眠不进行通信读写工作时，电源管理控制模块输出可供电致发光器件显示的工作电压，以避免电致发光器件电流信号对射频接收信号产生电磁干扰。When the RFID control chip receives radio frequency signals for communication and reading and writing, the power management control module automatically disconnects the power supply of the electroluminescent device; when the RFID tag control chip is in standby or sleep and does not perform communication and reading and writing, the power management control module outputs power supply The operating voltage displayed by the luminescent device is used to avoid electromagnetic interference from the current signal of the EL device to the radio frequency receiving signal.
所述的电致发光器件的电极为天线结构，可采用蚀刻法、电镀法和导电油墨丝网印刷法中的任意一种制作而成。The electrode of the electroluminescent device is an antenna structure, which can be made by any one of etching method, electroplating method and conductive ink screen printing method.
本发明的有益效果是:本发明的电子标签包括RFID控制芯片和电致发光器件，电致发光器件的电极与RFID控制芯片连接，用于作为电子标签的射频天线。本发明利用电致发光器件的光电特性制作能够显示出特定防伪图案，达到便于识别商品真伪的目的，解决了RFID标签待机时无法识别商品真伪的问题，同时利用电致发光器件的电极作为RFID标签射频天线，省去标签天线电路单元，缩小标签整体面积，降低了标签制造成本。The beneficial effects of the present invention are: the electronic tag of the present invention includes an RFID control chip and an electroluminescent device, and the electrodes of the electroluminescent device are connected to the RFID control chip to be used as a radio frequency antenna of the electronic tag. The invention makes use of the photoelectric characteristics of the electroluminescent device to display a specific anti-counterfeit pattern, so as to facilitate the identification of the authenticity of the commodity, and solves the problem that the RFID tag cannot identify the authenticity of the commodity when it is in standby. At the same time, the electrodes of the electroluminescent device are used as The RFID tag radio frequency antenna saves the tag antenna circuit unit, reduces the overall area of the tag, and reduces the manufacturing cost of the tag.
此外本发明还提供了一种带光伏电池的电子标签，利用光生伏特效应，将光能转换成RFID电子标签所需电源能量，使之成为电子标签的一个源源不断的供电来源，提高了RFID电子标签的性能，延长了电子标签的使用寿命。同时利用光伏电池作为寄生ESD保护元器件又将大大减少标签整体面积和结构的复杂程度，从而进一步降低RFID电子标签制造成本。In addition, the present invention also provides an electronic tag with a photovoltaic cell, which uses the photovoltaic effect to convert light energy into the power supply energy required by the RFID electronic tag, making it a continuous source of power supply for the electronic tag, improving the RFID electronic The performance of the label prolongs the service life of the electronic label. At the same time, using photovoltaic cells as parasitic ESD protection components will greatly reduce the overall area of the tag and the complexity of the structure, thereby further reducing the manufacturing cost of the RFID electronic tag.
附图说明Description of drawings
图1是现有技术有源RFID电子标签的原理结构示意图；FIG. 1 is a schematic diagram of the principle structure of an active RFID electronic tag in the prior art;
图2是本发明实施例一中RFID电子标签的原理结构示意图；2 is a schematic diagram of the principle structure of the RFID electronic tag in Embodiment 1 of the present invention;
图3是本发明实施例二中RFID电子标签的原理结构示意图；3 is a schematic diagram of the principle structure of the RFID electronic tag in Embodiment 2 of the present invention;
图4是光伏电池寄生ESD保护二极管电路示意图；4 is a schematic diagram of a photovoltaic cell parasitic ESD protection diode circuit;
图5是本发明RFID电子标签光照下进行通信读写工作的原理结构示意图；Fig. 5 is a schematic structural diagram of the principle structure of the RFID electronic tag of the present invention for performing communication reading and writing work under light;
图6是本发明RFID电子标签光照下不进行通信读写工作的原理结构示意图；Fig. 6 is a schematic structural diagram of the principle structure of the RFID electronic tag of the present invention that does not perform communication reading and writing work under light;
图7是本发明RFID电子标签无光照下进行通信读写工作的原理结构示意图；Fig. 7 is a schematic structural diagram of the principle structure of the RFID electronic tag of the present invention for performing communication reading and writing work without light;
图8是本发明RFID电子标签无光照下不进行通信读写工作的原理结构示意图；Fig. 8 is a schematic structural diagram of the principle structure of the RFID electronic tag of the present invention without communication and reading and writing without light;
图9是本发明的RFID电子标签应用于包装盒上的示意图；Fig. 9 is a schematic diagram of the application of the RFID electronic tag of the present invention on a packaging box;
图10是本发明的RFID电子标签应用于包装瓶上的示意图；Fig. 10 is a schematic diagram of the application of the RFID electronic tag of the present invention on a packaging bottle;
图11是本发明的RFID电子标签应用于包装袋上的示意图。Fig. 11 is a schematic diagram of the application of the RFID electronic tag of the present invention on a packaging bag.
具体实施方式Detailed ways
下面结合附图对本发明的具体实施方式做进一步的说明。The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.
本发明RFID电子标签包括有电致发光器件，电致发光器件是通过加在两电极施加电压而产生电场，被电场激发的电子碰撞发光中心，引起电子能级的跃迁、变化、复合，从而导致发光的元器件，最常见的如发光二极管(LED)。本发明利用电致发光器件的光电特性制作能够显示出特定防伪图案，达到便于识别商品真伪的目的，解决了RFID标签待机时无法识别商品真伪的问题，同时利用电致发光器件的电极作为RFID标签射频天线，省去标签天线电路单元，缩小标签整体面积，降低标签制造成本。The RFID electronic tag of the present invention includes an electroluminescent device. The electroluminescent device generates an electric field by applying a voltage to the two electrodes, and the electrons excited by the electric field collide with the luminescent center, causing the transition, change, and recombination of the electronic energy level, resulting in A component that emits light, most commonly a light emitting diode (LED). The invention makes use of the photoelectric characteristics of the electroluminescent device to display a specific anti-counterfeit pattern, so as to facilitate the identification of the authenticity of the commodity, and solves the problem that the RFID tag cannot identify the authenticity of the commodity when it is in standby. At the same time, the electrodes of the electroluminescent device are used as The RFID tag radio frequency antenna saves the tag antenna circuit unit, reduces the overall area of the tag, and reduces the manufacturing cost of the tag.
实施例一Embodiment one
本实施例中的RFID电子标签的结构如图2所示，包括蓄电池、电致发光器件和RFID控制芯片，蓄电池与电致发光器件和RFID控制芯片相连，用于为其供电，电致发光器件的电极与RFID控制芯片连接，作为射频天线。利用电致发光器件光电特性显示出特定的防伪图案，提高了商品的易识别性并对商品的真伪性做出判断，实现了在RFID电子标签待机、休眠等不进行通信读写工作时，利用电致发光器件显示出特定的防伪图案来达到防伪功效。利用电致发光器件电极作为标签的射频天线，减少标签整体面积，降低标签制造成本。蓄电池可选择电解电容、超级电容或锂电池、镍氢电池等可更换电池中的任意一种，视具体应用需求而定。The structure of the RFID electronic tag in this embodiment is shown in Figure 2, including a storage battery, an electroluminescent device and an RFID control chip. The storage battery is connected to the electroluminescent device and the RFID control chip for powering it. The electrodes are connected with the RFID control chip as a radio frequency antenna. The photoelectric characteristics of the electroluminescent device are used to display a specific anti-counterfeiting pattern, which improves the easy identification of the product and makes a judgment on the authenticity of the product. The anti-counterfeiting effect is achieved by using electroluminescent devices to display specific anti-counterfeiting patterns. The electrode of the electroluminescence device is used as the radio frequency antenna of the label, thereby reducing the overall area of the label and reducing the manufacturing cost of the label. The storage battery can be any one of replaceable batteries such as electrolytic capacitors, super capacitors or lithium batteries, nickel metal hydride batteries, etc., depending on specific application requirements.
电致发光器件可制作成能发出蓝光、绿光、红光、黄光等不同颜色的无机电致发光器件或有机电致发光器件，常见的如发光二极管(LED)。如需要适应柔性包装和商品基体，可采用薄膜电致发光器件。电致发光器件的电极采用天线结构，可通过蚀刻法、电镀法和导电油墨丝网印刷法制作而成，电致发光器件电极的形状和尺寸满足整体天线的阻抗和RFID电子标签芯片的输入阻抗匹配的要求。Electroluminescent devices can be made into inorganic electroluminescent devices or organic electroluminescent devices that can emit different colors such as blue light, green light, red light, and yellow light, such as light-emitting diodes (LEDs). Thin film electroluminescent devices can be used if it is necessary to adapt to flexible packaging and commodity substrates. The electrode of the electroluminescent device adopts an antenna structure, which can be made by etching, electroplating and screen printing with conductive ink. The shape and size of the electrode of the electroluminescent device meet the impedance of the overall antenna and the input impedance of the RFID electronic tag chip matching requirements.
实施例二Embodiment two
很多情况时，RFID电子标签会暴露在光线充足的场所，充分利用太阳能等光能作为RFID标签的天然能源，利用光生伏特效应，将光能转换成RFID标签所需电源能量，使之成为电子标签的一个源源不断的供电来源，为此，本实施例在实施例一基础上进行了进一步改进。本实施例中RFID电子标签的结构如图3所示，包括电致发光器件、RFID控制芯片、光伏电池、蓄电池和电源管理控制模块，电致发光器件的电极与RFID控制芯片连接，作为射频天线，蓄电池和光伏电池均通过电源管理控制模块分别与电致发光器件和RFID控制芯片连接，用于分别为电致发光器件和RFID控制芯片供电，光伏电池通过电源管理控制模块与蓄电池连接，用于为蓄电池供电。In many cases, RFID electronic tags will be exposed to places with sufficient light. Make full use of solar energy and other light energy as the natural energy of RFID tags, and use the photovoltaic effect to convert light energy into the power energy required by RFID tags, making it an electronic tag. A continuous source of power supply, for this reason, this embodiment is further improved on the basis of Embodiment 1. The structure of the RFID electronic tag in this embodiment is as shown in Figure 3, including an electroluminescent device, an RFID control chip, a photovoltaic cell, a storage battery and a power management control module, and the electrodes of the electroluminescent device are connected to the RFID control chip as a radio frequency antenna , the battery and the photovoltaic battery are connected to the electroluminescent device and the RFID control chip respectively through the power management control module, and are used to supply power for the electroluminescent device and the RFID control chip respectively, and the photovoltaic battery is connected to the battery through the power management control module for Power the battery.
同时光伏电池可作为RFID电子标签的寄生ESD保护元器件，静电放电(简写为ESD)是芯片电路系统在使用过程中经常发生并导致芯片损坏或失效的重要原因之一，为了防止RFID电子标签电路系统避免遭受静电放电损害，常常会给系统设计专门的ESD保护元器件。ESD防护的基本设计理念是：让ESD通过一个低阻抗通道进行放电并同时将ESD电压箝制在某一个足够低的电平，避免损伤电路系统。最常见的ESD保护器件为二极管，利用二极管的导通特性，能够将ESD脉冲箝位到足够低的电平,确保电路系统免遭ESD伤害。光伏电池一般为PN结型半导体器件，其可等效于一个二极管，本发明运用其二极管的ESD保护特性，可充当RFID电子标签的寄生ESD保护元器件，从而大大提高了RFID电子标签系统的可靠性和安全性，如图4所示。本发明利用光伏电池作为寄生ESD保护元器件又将大大减少标签整体面积和结构的复杂程度，从而进一步降低RFID电子标签制造成本。At the same time, photovoltaic cells can be used as parasitic ESD protection components for RFID electronic tags. Electrostatic discharge (abbreviated as ESD) is one of the important reasons that chip circuit systems often occur during use and lead to chip damage or failure. In order to prevent RFID electronic tag circuits To protect the system from electrostatic discharge damage, special ESD protection components are often designed for the system. The basic design concept of ESD protection is to let ESD discharge through a low-impedance channel and at the same time clamp the ESD voltage to a sufficiently low level to avoid damage to the circuit system. The most common ESD protection device is a diode. Using the conduction characteristics of the diode, it can clamp the ESD pulse to a low enough level to ensure that the circuit system is not damaged by ESD. Photovoltaic cells are generally PN junction semiconductor devices, which can be equivalent to a diode. The invention uses the ESD protection characteristics of the diode to act as a parasitic ESD protection component of the RFID electronic tag, thereby greatly improving the reliability of the RFID electronic tag system. and security, as shown in Figure 4. The present invention uses photovoltaic cells as parasitic ESD protection components to greatly reduce the overall area of the label and the complexity of the structure, thereby further reducing the manufacturing cost of the RFID electronic label.
其中光伏电池可以采用晶体硅光伏电池，例如单晶硅或多晶硅电池，如需要使用柔软性包装和商品基本，也可采用薄膜光伏电池，例如非晶硅(a-Si)、碲化硅(CdTe)、铜铟镓硒(CIGS)等薄膜光伏电池的一种。蓄电池可选择电解电容、超级电容或锂电池、镍氢电池等可更换电池中的任意一种，视具体应用需求而定，由于采用了光伏发电模式的RFID电子标签具有持续充电能力，因此本发明所采用的蓄电池容量可比现有的RFID电子标签的蓄电池容量小。Among them, photovoltaic cells can be crystalline silicon photovoltaic cells, such as monocrystalline silicon or polycrystalline silicon cells. If flexible packaging and commodity bases are required, thin-film photovoltaic cells can also be used, such as amorphous silicon (a-Si), silicon telluride (CdTe) ), copper indium gallium selenide (CIGS) and other thin-film photovoltaic cells. The storage battery can be any one of replaceable batteries such as electrolytic capacitors, super capacitors, lithium batteries, and nickel-metal hydride batteries, depending on specific application requirements. Since the RFID electronic tag using photovoltaic power generation mode has continuous charging capability, the present invention The capacity of the battery used can be smaller than that of the existing RFID electronic tag.
电致发光器件可制作成能发出蓝光、绿光、红光、黄光等不同颜色的无机电致发光器件或有机电致发光器件，常见的如发光二极管(LED)。如需要适应柔性包装和商品基体，可采用薄膜电致发光器件。电致发光器件的电极采用天线结构，可通过蚀刻法、电镀法和导电油墨丝网印刷法制作而成。电致发光器件电极和光伏电池电极的形状和尺寸满足整体天线的阻抗和RFID电子标签芯片的输入阻抗匹配的要求。Electroluminescent devices can be made into inorganic electroluminescent devices or organic electroluminescent devices that can emit different colors such as blue light, green light, red light, and yellow light, such as light-emitting diodes (LEDs). Thin film electroluminescent devices can be used if it is necessary to adapt to flexible packaging and commodity substrates. The electrodes of the electroluminescent device adopt the antenna structure, which can be made by etching, electroplating and conductive ink screen printing. The shape and size of the electrode of the electroluminescent device and the electrode of the photovoltaic cell meet the requirement of matching the impedance of the whole antenna and the input impedance of the RFID electronic tag chip.
电源管理控制模块为一个可管理的充电及电源输出控制选择的电路或装置，具备多路电源输出管理功能，光伏电池或蓄电池供电时，通过电源管理控制模块，使其达到标签芯片和电致发光器件的工作电源要求。光能充裕时，由光伏电池提供标签工作电源，剩余电量通过电源管理控制模块对蓄电池进行充电；在光能无法满足要求时，蓄电池向标签提供工作电源，保证RFID标签的通信质量。由于利用电致发光器件电极作为标签射频天线，为了避免电致发光器件电流信号对射频接收信号产生电磁干扰，当RFID标签控制芯片接收射频信号进行通信读写工作时，电源管理控制模块将自动断开电致发光器件电源。当RFID标签控制芯片待机、休眠等不进行通信读写工作时，电源管理控制模块输出可供电致发光器件显示的工作电压。The power management control module is a circuit or device that can manage charging and power output control selection. It has the function of multi-channel power output management. The operating power requirements of the device. When the light energy is sufficient, the photovoltaic cell provides the working power of the tag, and the remaining power is used to charge the battery through the power management control module; when the light energy cannot meet the requirements, the battery provides the working power to the tag to ensure the communication quality of the RFID tag. Since the electrode of the electroluminescent device is used as the radio frequency antenna of the tag, in order to avoid electromagnetic interference caused by the current signal of the electroluminescent device to the radio frequency receiving signal, when the RFID tag control chip receives the radio frequency signal for communication and reading and writing, the power management control module will automatically shut down Turn on the power supply of the electroluminescent device. When the RFID tag control chip is in standby, dormant, etc. and does not perform communication reading and writing work, the power management control module outputs a working voltage that can be used for displaying by the luminescent device.
该RFID电子标签的工作模式包括光照下进行通信读写工作模式、光照下不进行通信读写工作模式、无光照下进行通信读写工作模式和无光照下不进行通信读写工作模式，下面针对各模式的工作过程进行详细说明。The working mode of the RFID electronic tag includes the working mode of reading and writing communication under light, the working mode of reading and writing without communication under light, the working mode of reading and writing communication under no light, and the working mode of reading and writing without communication under no light. The working process of each mode is described in detail.
光照下进行通信读写工作模式Communication read and write working mode under light
该工作模式下本发明的RFID电子标签的控制连接如图5所示，在一定光照情况下，光伏电池收集光子，将接收到的光能转换为电能，通过电源管理控制模块，输出满足RFID电子标签的电源电压，持续给其供电，保证RFID标签在远距离通信情况下正常工作。另一路通过电源管理控制模块对蓄电池进行充电。电致发光器件电极作为标签射频天线，接受射频电磁波，进行通信工作，为了避免电致发光器件电流信号对射频接收信号产生电磁干扰，保证标签的通信质量，此模式下电源管理控制模块断开电致发光器件电源。In this working mode, the control connection of the RFID electronic tag of the present invention is shown in Figure 5. Under certain lighting conditions, the photovoltaic cell collects photons, converts the received light energy into electrical energy, and outputs the energy required by the RFID electronic tag through the power management control module. The power supply voltage of the tag is continuously supplied with power to ensure the normal operation of the RFID tag in the case of long-distance communication. The other way charges the storage battery through the power management control module. The electrodes of the electroluminescent device are used as the radio frequency antenna of the tag to receive radio frequency electromagnetic waves and carry out communication work. In order to avoid electromagnetic interference caused by the current signal of the electroluminescent device to the radio frequency receiving signal and ensure the communication quality of the tag, the power management control module disconnects the power supply in this mode. Luminescent device power supply.
光照下不进行通信读写工作模式No communication, read and write working mode under light
该工作模式下本发明的RFID电子标签的控制连接如图6所示，在一定光照情况下，光伏电池收集光子，将接收到的光能转换为电能，通过电源管理控制模块，输出满足电致发光器件的电源电压，持续给其供电，保证电致发光器件显示出设定的防伪图案，利用图形显示起到防伪功能，解决了RFID待机时无法识别商品真伪的问题。另一路通过电源管理控制模块对蓄电池进行充电。此模式下电源管理控制模块断开RFID电子标签电源。The control connection of the RFID electronic tag of the present invention in this working mode is shown in Figure 6. Under certain lighting conditions, the photovoltaic cell collects photons and converts the received light energy into electrical energy. The power supply voltage of the light-emitting device is continuously supplied with power to ensure that the electroluminescent device displays the set anti-counterfeiting pattern, and the anti-counterfeiting function is achieved by using the graphic display, which solves the problem that the RFID cannot identify the authenticity of the product when it is in standby. The other way charges the storage battery through the power management control module. In this mode, the power management control module disconnects the power supply of the RFID electronic tag.
无光照下进行通信读写工作模式Communication read and write working mode without light
该工作模式下本发明的RFID电子标签的控制连接如图7所示，夜间或其他没有光照的情况下，光伏电池由于光照不足无法收集足够光子，将光能转化为电能，从而没有电能输出，此时，蓄电池通过电源管理控制模块，输出满足RFID电子标签的电源电压，持续给其供电，保证RFID标签在远距离通信下的正常工作。所述电致发光器件电极作为标签射频天线，接受射频电磁波，进行通信工作。为了避免电致发光器件电流信号对射频接收信号产生电磁干扰，保证标签的通信质量，此模式下电源管理控制模块断开电致发光器件电源。此模式下电源管理控制模块断开与光伏电池的连接通路。电致发光器件、光伏电池、RFID控制芯片均可制作成薄膜电子器件设置于柔性包装基体上，并可随包装物进行弯曲，而不会影响使用性能。In this working mode, the control connection of the RFID electronic tag of the present invention is shown in Figure 7. At night or in other situations where there is no light, the photovoltaic cell cannot collect enough photons due to insufficient light to convert light energy into electrical energy, so there is no electrical energy output. At this time, the battery outputs the power supply voltage that meets the RFID electronic tag through the power management control module, and continuously supplies power to it to ensure the normal operation of the RFID tag under long-distance communication. The electrode of the electroluminescent device is used as a tag radio frequency antenna to receive radio frequency electromagnetic waves and carry out communication work. In order to avoid electromagnetic interference caused by the current signal of the electroluminescent device to the radio frequency receiving signal and ensure the communication quality of the tag, the power management control module disconnects the power supply of the electroluminescent device in this mode. In this mode, the power management control module disconnects the connection path with the photovoltaic cell. Electroluminescent devices, photovoltaic cells, and RFID control chips can all be made into thin-film electronic devices and placed on flexible packaging substrates, and can be bent with the packaging without affecting the performance.
无光照下不进行通信读写工作模式No communication reading and writing working mode under no light
该工作模式下本发明的RFID电子标签的控制连接如图8所示：夜间或其他没有光照的情况下，光伏电池由于光照不足无法收集光子，将光能转化为电能，从而没有电能输出。此时，蓄电池通过电源管理控制模块，输出满足电致发光器件的电源电压，持续给其供电，保证电致发光器件显示出设定的防伪图案，利用图形显示起到防伪功能，解决了RFID待机时无法识别商品真伪的问题。此模式下电源管理控制模块断开与光伏电池的连接通路，同时断开RFID电子标签电源。电致发光器件、光伏电池、RFID控制芯片均可制作成薄膜电子器件设置于柔性包装基体上，并可随包装物进行弯曲，而不会影响使用性能。In this working mode, the control connection of the RFID electronic tag of the present invention is shown in Figure 8: at night or in other situations where there is no light, the photovoltaic cell cannot collect photons due to insufficient light, and converts light energy into electrical energy, so there is no electrical energy output. At this time, the battery outputs the power supply voltage that meets the electroluminescent device through the power management control module, and continuously supplies power to it to ensure that the electroluminescent device displays the set anti-counterfeiting pattern. Sometimes it is impossible to identify the authenticity of the product. In this mode, the power management control module disconnects the connection path with the photovoltaic cell, and at the same time disconnects the power supply of the RFID electronic tag. Electroluminescent devices, photovoltaic cells, and RFID control chips can all be made into thin-film electronic devices and placed on flexible packaging substrates, and can be bent with the packaging without affecting the performance.
随着薄膜电子器件的应用越来越广泛，利用其易弯曲功能，可附着于柔性或有一定形状的包装基体上，如塑料包装袋、包装纸张和包装瓶等。本发明RFID电子标签中光伏电池、电致发光器件、RFID控制芯片均可为薄膜电子器件，可设置于柔性包装物或商品的基体上，随基体进行弯曲。如图9所示，此为本发明电子标签应用于包装盒上的示意图，RFID电子标签1设置于包装盒3上，电致发光器件显示形成了防伪图案2，由于本发明RFID电子标签可为薄膜电子器件，可随包装盒进行弯曲，而不会影响使用性能。如图10所示，此为本法发明RFID电子标签应用于包装瓶上的示意图，RFID电子标签1设置于包装瓶4上，电致发光器件显示形成了防伪图案2。由于本发明RFID电子标签采用薄膜电子器件，可随包装瓶进行弯曲，而不会影响使用性能。如图11所示，此为本发明RFID电子标签应用于包装袋上的示意图，RFID电子标签1设置于包装袋5上，电致发光器件显示形成了防伪图案2。由于本发明RFID电子标签采用薄膜电子器件，可随包装袋进行弯曲，而不会影响使用性能。As the application of thin film electronic devices is becoming more and more extensive, it can be attached to flexible or shaped packaging substrates, such as plastic packaging bags, packaging paper and packaging bottles, by taking advantage of its flexible function. Photovoltaic cells, electroluminescent devices, and RFID control chips in the RFID electronic tag of the present invention can all be thin-film electronic devices, which can be arranged on the substrate of flexible packaging or commodities, and can be bent along with the substrate. As shown in Figure 9, this is a schematic diagram of the application of the electronic label of the present invention on the packaging box. The RFID electronic label 1 is arranged on the packaging box 3, and the electroluminescent device displays an anti-counterfeiting pattern 2. Since the RFID electronic label of the present invention can be Thin-film electronics that flex with the box without compromising performance. As shown in FIG. 10 , this is a schematic diagram of the application of the RFID electronic label of the present invention on the packaging bottle. The RFID electronic label 1 is set on the packaging bottle 4 , and the electroluminescent device displays and forms an anti-counterfeiting pattern 2 . Since the RFID electronic label of the present invention adopts thin-film electronic devices, it can be bent along with the packaging bottle without affecting the use performance. As shown in FIG. 11 , this is a schematic diagram of the application of the RFID electronic tag of the present invention on a packaging bag. The RFID electronic tag 1 is set on the packaging bag 5 , and the electroluminescence device displays and forms an anti-counterfeiting pattern 2 . Since the RFID electronic tag of the present invention adopts a thin film electronic device, it can be bent along with the packaging bag without affecting the use performance.
从以上实施例可以看出，本发明在RFID电子标签上利用光伏电池将清洁环保的太阳能等光能转化为电能，在光线充足的情况下，持续为标签供电，减少对环境的污染，延长标签持续工作能力，提高通信质量，并满足标签芯片工作距离的要求。利用电致发光器件光电特性显示出特定的防伪图案，可有效地提高商品的易识别性并对商品的真伪性做出判断。实现在RFID电子标签待机、休眠等不进行通信读写工作时，利用电致发光器件显示出特定的防伪图案来达到防伪功效，解决了RFID标签待机时无法识别商品真伪的问题。同时，利用电致发光器件电极作为标签的射频天线，减少标签整体面积，降低标签制造成本。本发明中电致发光器件、光伏电池、RFID控制芯片等均可采用薄膜电子器件，可随柔性包装基体进行弯曲，使RFID标签可方便地设置于包装盒、包装瓶、快递袋或商品的其它包装上，也可直接附着在商品上。本发明科技含量大大提高，极难被仿造，且制造成本相对较低，便于在物联网等领域应用推广。It can be seen from the above examples that the present invention uses photovoltaic cells on the RFID electronic tag to convert clean and environmentally friendly solar energy and other light energy into electrical energy. In the case of sufficient light, it can continue to supply power to the tag, reduce environmental pollution, and extend the life of the tag. Continuous working ability, improve communication quality, and meet the requirement of tag chip working distance. The specific anti-counterfeiting pattern is displayed by using the photoelectric characteristics of the electroluminescent device, which can effectively improve the easy identification of commodities and make judgments on the authenticity of commodities. Realize that when the RFID electronic tag is not performing communication reading and writing work such as standby, dormancy, etc., the electroluminescence device is used to display a specific anti-counterfeiting pattern to achieve anti-counterfeiting effect, which solves the problem that the authenticity of the product cannot be identified when the RFID tag is in standby. At the same time, the electrode of the electroluminescence device is used as the radio frequency antenna of the label, which reduces the overall area of the label and reduces the manufacturing cost of the label. In the present invention, electroluminescent devices, photovoltaic cells, RFID control chips, etc. can all use thin-film electronic devices, which can be bent with the flexible packaging substrate, so that RFID tags can be conveniently placed on packaging boxes, packaging bottles, express bags or other parts of commodities. It can also be directly attached to the product on the packaging. The technical content of the invention is greatly improved, it is extremely difficult to be imitated, and the manufacturing cost is relatively low, which is convenient for application and promotion in the fields of the Internet of Things and the like.
| Application Number | Priority Date | Filing Date | Title |
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| CN201510562410.XACN105139066B (en) | 2015-09-07 | 2015-09-07 | One kind having anti-fraud functional RFID electronic label |
| Application Number | Priority Date | Filing Date | Title |
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| CN201510562410.XACN105139066B (en) | 2015-09-07 | 2015-09-07 | One kind having anti-fraud functional RFID electronic label |
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| CN105139066Atrue CN105139066A (en) | 2015-12-09 |
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