1032 results about "Electronic paper" patented technology

The invention relates to the technical field of cholesteric liquid crystal electronic paper display, and discloses a cholesteric liquid crystal electronic paper display panel and a driving method thereof, and the cholesteric liquid crystal electronic paper display panel comprises an upper substrate, a lower substrate, a grid scanning line and a signal line, the electrode strip blocks continuously extend in the direction of a grid scanning line, each electrode strip block corresponds to one row of pixels, a single pixel corresponds to one pixel electrode, the electrode strip block corresponding to each row of pixels is conducted with the ITO electrode in the corresponding row through a conductive spacer, the ITO electrode is located on the periphery of a display area of the display panel, and in the direction of a signal line, the ITO electrode is connected with the electrode strip block in the corresponding row. The size of a single pixel is larger than the width L of each electrode strip block and larger than or equal to the width L'of a pixel electrode, and the distance S between every two adjacent electrode strip blocks is larger than or equal to the width W of a grid scanning line. According to the display panel and the driving method thereof, by optimizing the common electrode structure and the driving time sequence, the display performance and the refreshing efficiency of cholesteric liquid crystal electronic paper are remarkably improved.

The invention discloses an electronic paper display panel, a control method of the electronic paper display panel and a display device, and mainly relates to the technical field of display. An electrophoretic reflection layer is arranged on an array substrate and located on the side, facing a filtering substrate, of the array substrate; the controllable light reflection layer, the color filter layer and the common electrode layer are sequentially arranged on the side, facing the array substrate, of the filter substrate. The color filter layer comprises a plurality of sub color resistors, the sub color resistors are arranged at intervals, a color resistor gap is defined between every two adjacent sub color resistors, and the projection of the controllable light reflection layer is located on the color resistor gaps; the common electrode layer can control light irradiated to the controllable light reflecting layer to be reflected to the side, away from the light filtering substrate, of the color light filtering layer or to the side, away from the color light filtering layer, of the light filtering substrate, and through the design, the brightness of the electronic paper display panel can be improved when the light intensity of the external environment is weak; when the light intensity of the external environment is high, the display problem of bright lines is avoided.

The invention belongs to the technical field of display, and particularly relates to a touch display panel, a preparation method and a touch display device.The touch display panel comprises a substrate, a driving circuit layer and an electronic paper film; the driving circuit layer comprises a common electrode unit, a pixel electrode block and a connecting signal line; the electronic paper film comprises a plurality of electrophoresis units, each electrophoresis unit comprises a micro-capsule structure, a first conductive electrode, a second conductive electrode and a third conductive electrode, and the third conductive electrode is connected with the connecting signal line; the second conductive electrode, the connecting signal line and the common electrode unit are respectively connected with different pins of the driving chip; one of the common electrode unit and the third conductive electrode serves as a touch sensing electrode, the other one serves as a touch driving electrode, the orthographic projection of the common electrode unit on the substrate and the orthographic projection of the third conductive electrode on the substrate have an overlapping area, and the overlapping area serves as a touch detection point. When the touch display panel is touched, it can be guaranteed that the display effect is not affected.

The invention relates to a color electronic paper energy-saving driving design method and system based on optimized square wave driving, and belongs to the technical field of electronic paper display. The method comprises the following steps: firstly, based on a displacement time relation model of charged particles in the color electronic paper microcapsule, determining an optimal driving voltage interval of the particles, and generating a square wave driving waveform library; secondly, the environment temperature is monitored in real time, and square wave driving waveform parameters are dynamically adjusted; thirdly, analyzing statistical characteristics of the input image, dividing content complexity and distributing driving voltage grades; and finally, identifying an image change area through a frame difference algorithm, and performing local refreshing or global refreshing to realize image display. According to the color electronic paper energy-saving driving design method and system based on optimized square wave driving, an efficient and cooperative temperature compensation mechanism and a dynamic voltage adjusting strategy are combined, the display quality is maintained, meanwhile, the driving energy consumption of the color electronic paper is effectively reduced, and it is ensured that the color electronic paper is kept effective and stable in various temperature environments.

The invention discloses an electronic paper display panel, a driving method thereof and a display device, and mainly relates to the technical field of display, a first pixel unit comprises a first upper driving electrode, a first electrophoresis accommodating cavity and a first lower driving electrode, and the first upper driving electrode and the first lower driving electrode are arranged on the two sides of the first electrophoresis accommodating cavity respectively; the first pixel unit further comprises first light absorbing particles, second light absorbing particles and first light reflecting particles which are arranged in the first electrophoresis accommodating cavity; the charge quantity of the first light absorbing particles, the charge quantity of the first light reflecting particles and the charge quantity of the second light absorbing particles are sequentially reduced, the polarities of the first light absorbing particles and the second light absorbing particles are the same, and the polarities of the first light absorbing particles and the first light reflecting particles are opposite. Therefore, the electronic paper display panel can be switched between double-sided display and single-sided display, and the image resolution during single-sided display is improved.

The embodiment of the invention relates to an electronic paper display panel, an electronic paper display panel preparation method and electronic paper equipment. The electronic paper display panel comprises an upper substrate, a lower substrate, an optical filter layer, a transparent electrode layer and a pixel electrode layer, an optical filter layer is arranged on the surface, opposite to the lower substrate, of the upper substrate, and a transparent electrode layer, a plasma display cavity and a pixel electrode layer are sequentially arranged between the optical filter layer and the lower substrate; a plasma screening net, supporting microspheres and plasma are arranged in the plasma display cavity, the supporting microspheres make contact with the upper surface and the lower surface of the plasma display cavity, and the supporting microspheres are connected with the plasma screening net; the plasma comprises a first type of particles and a second type of particles, and the mesh aperture of the plasma screening net is smaller than the size of the first type of particles and larger than the size of the second type of particles. According to the embodiment of the invention, the possibility that two kinds of particles are gathered is reduced, the light absorption efficiency is improved, the plasma screening net also plays a role in supporting the plasma display cavity, and the mechanical strength of the panel is improved.

The invention provides electronic paper carrier tape body paper and a surface sizing production method thereof, and relates to the field of carrier tape body paper. The surface sizing production method of the electronic paper carrier tape body paper comprises the following steps of slurry treatment, internal sizing, forming, primary press polish, surface sizing and secondary press polish. According to the electronic paper carrier tape body paper and the surface sizing production method thereof, the phenomenon that the electronic paper carrier tape body paper is prone to layering after being repeatedly wound for multiple times in subsequent processing and downstream use can be effectively solved, and the bonding strength between the layers of the body paper is effectively improved; the bonding matching property of the electronic paper carrier tape body paper and the hot-melting upper cover tape is optimized, and the possible galling or layering phenomenon in the process of stripping the hot-melting upper cover tape is avoided; the stripping stability is further improved, the stripping force fluctuation is reduced, the abrupt change of the stripping force is avoided, the accurate and stable control on the stripping force is realized, the range of the stripping force is effectively reduced, and the use performance of the electronic paper carrier tape body paper is further improved.

A ceiling fan with an electronic paper display assembly is provided. The ceiling fan has at least one fixed assembly and at least one movable assembly. The fixed assembly has at least one hanging component fixed on a top wall or an above area of an indoor space. The movable assembly is connected to the fixed assembly, and the movable assembly includes a plurality of fan blades. At least one surface of the fixed assembly or the movable assembly is provided with at least one electronic paper display assembly. The at least one electronic paper display assembly can be controlled by a processing unit to change graphics or colors displayed by the at least one electronic paper display assembly, thereby causing graphics or colors of the fixed assembly or the movable assembly to be changed.

A display panel (30) and a display apparatus (10). The display panel (30) comprises a color filter substrate (100), an electronic-paper layer (400) and an array substrate (500), wherein the array substrate (500), the electronic-paper layer (400) and the color filter substrate (100) are sequentially arranged. The color filter substrate (100) comprises a color filter base (110) and a color resist layer (200), wherein the color resist layer (200) is arranged on the color filter base (110), the color resist layer (200) comprises a plurality of color resists (210), the plurality of color resists (210) are spaced apart, a blank area (280) is arranged between two adjacent color resists (210), at least one optical channel (270) is arranged in each color resist (210), the optical channels (270) penetrate the color resist (210), and a portion of light passes through the optical channels (270) to irradiate the electronic-paper layer (400). By means of the design of the optical channels (270) of the color resist layer (200), the overall brightness of the display panel (30) is improved, and contrast ratio degradation and the occurrence of color shift of the display panel (30) are avoided.

The invention relates to the technical field of electronic paper, in particular to a low-power-consumption electronic paper control method and system. According to the invention, a plurality of image data are pre-stored in the electronic paper module, so that when the core controller commands the electronic paper module to execute the image refreshing operation, only the control command needs to be sent, and the image data does not need to be transmitted to the electronic paper module, thereby reducing the power consumption of the core controller. And meanwhile, the power-on state of the electronic paper module is controlled through the core controller, so that the electronic paper module is powered on to run only during the period of executing the image refreshing operation and is shut down in other time, and the power consumption of the electronic paper module is reduced. And on the other hand, the core controller is switched between the wake-up mode and the sleep mode based on the preset first time difference, and is in a standby state with low power consumption during the sleep mode, so that the cruising ability of the core controller is further prolonged. According to the method, the power consumption of the electronic paper module and the core controller is remarkably reduced, so that the cruising ability of the electronic paper module and the core controller is improved.

The invention discloses an electronic paper display panel and a preparation method thereof and a display device, and mainly relates to the technical field of display, the electronic paper display panel comprises an array substrate, a light utilization layer, an electrophoretic reflection layer and an opposite substrate, and the light utilization layer and the electrophoretic reflection layer are located between the array substrate and the opposite substrate; the array substrate comprises a first substrate body, an active switch layer, a plurality of pixel electrodes and a plurality of color resistors, the active switch layer, the pixel electrodes and the color resistors are sequentially arranged on the first substrate body, an electrode gap is formed between every two adjacent pixel electrodes, the light utilization layer is located at the electrode gaps, a plurality of pixel unit areas are defined by the light utilization layer, and the color resistors are arranged in the pixel unit areas. The pixel electrodes, the color resistors and the pixel unit areas are in one-to-one correspondence; the light utilization layer is used for reflecting light rays irradiated on the light utilization layer from the opposite substrate side to the direction of the adjacent color resistors, and through the design, the display brightness, the contrast ratio and the color performance of the electronic paper display panel are improved.

The invention relates to a pixel grayscale modulation structure based on phase change materials, which has characteristics of a high grayscale level, a high light utilization rate, a fast response speed and a high resolution. It mainly includes n multi-layer phase change unit arrays in each sub-pixel, an upper all-dielectric filter structure, an all-dielectric intermediate cavity, a lower all-dielectric filter structure, a crossbar control structure, which is suitable for various display devices, including but not limited to electronic paper, projection devices, augmented reality / virtual reality equipment (AR / VR), vehicle display, mobile device display, and the like.

The invention is suitable for the technical field of electronic paper, and provides a light source control method of electronic paper display equipment and the electronic paper display equipment, and the method comprises the steps: obtaining the current ambient light information of the electronic paper display equipment; detecting whether the current ambient light intensity is higher than a light intensity threshold; if it is detected that the current environment light intensity is higher than the light intensity threshold value, a closing instruction is generated; if it is detected that the current environment light intensity is lower than or equal to the light intensity threshold value, determining target light-emitting brightness and target light-emitting color temperature of the light-emitting device based on the current environment light intensity; and controlling the light-emitting device to output light according to the target light-emitting brightness and the target light-emitting color temperature. According to the method, the light-emitting device is controlled to be turned off when the current ambient light intensity is higher than the light intensity threshold, the reflective characteristic of the electronic paper can be returned, and the most appropriate reading experience is provided for a user; when the current ambient light intensity is low, light output can be accurately controlled, and the problem that an existing backlight scheme is not matched with the reflective characteristic of the electronic paper display equipment is solved.

The invention relates to the technical field of electronic paper, and discloses an electronic paper multi-gray-scale driving method, electronic paper and a storage medium. The method comprises the steps that pixel data of each pixel, pre-stored in an array, of a to-be-displayed picture is obtained according to a set sequence, each pixel data comprises 2n array elements, and n is an integer larger than or equal to 2; the mth array element in each piece of pixel data is sequentially obtained according to the set sequence, and all the obtained array elements are sequentially stored in the mth register according to the set sequence, so that the first array element to the 2nth array element in each piece of pixel data are stored in the first register to the 2nth register respectively, m is larger than or equal to 1 and smaller than or equal to 2n, and m is an integer; and acquiring the k-th array elements from the first to 2n-th registers to combine the k-th array elements into k-th pixel data so as to acquire the waveform of the k-th pixel. According to the method, the complexity of multi-gray-scale display of the electronic paper is reduced, and the display efficiency and the refreshing speed of the electronic paper are improved.

The invention relates to a method for displaying sixteen gray scales by an electronic paper price tag type display module, which comprises the following steps of: performing refreshing by utilizing a condition that at most four waveforms are controlled during refreshing each time in a new and old data comparison mode by utilizing a 1-bit data IC (Integrated Circuit) of electronic paper, identifying the first three gray scales and pure white gray scales in sixteen gray scale data during the first refreshing, and displaying the sixteen gray scales in the sixteen gray scale data; converting into data of corresponding waveforms, and brushing four corresponding gray scales through the debugged gray scale waveforms; in the second to fifth refreshing, three pieces of gray scale data are identified each time, and the debugged corresponding gray scale waveform is called to brush out three gray scales; the method is used for sixteen-gray-scale display through five times of superposition of different-gray-scale pictures.

The electronic shipping label device may display a shipping label image or shipment information using an electronic paper display, and may be attached to an item for shipment of the item from an origin to a destination. A host device, such as an electronic device of a user, may configure the electronic shipping label device to display the shipping label image. The host device may be configured to communicate with a system server of a shipping management system to provide shipping parameters corresponding to the shipment and receive the shipping label image (e.g., from a third-party system, such as a system associated with a shipping carrier). The host device may transmit the shipping label image to the electronic shipping label device for display.

The utility model relates to the technical field of product stacking equipment, in particular to an electronic paper stacking mechanism capable of distributing materials, which comprises a material distributing and stacking module, the material distributing and stacking module comprises a second support, and a second material conveying platform used for conveying qualified electronic paper to a material taking position is horizontally and slidably arranged on the second support. The sliding direction of the second material conveying platform is perpendicular to the sliding direction of the first material conveying platform. A second material carrying mechanism for carrying the electronic paper conveyed to the end of the sliding track of the first material conveying platform is arranged on the bottom plate, and the second material carrying mechanism is used for carrying qualified electronic paper to the second material conveying platform and carrying unqualified electronic paper to a material receiving position beside the bottom plate; under the cooperation of all the mechanisms, the electronic paper which is detected manually is subjected to automatic distribution treatment, and then the qualified electronic paper is subjected to automatic stacking treatment, so that the stacked electronic paper is conveniently packaged in the follow-up process.

The invention relates to an electronic paper display mapping method based on visual perception and dynamic clustering, and belongs to the technical field of display. According to the method, firstly, learning factors and particle weights of a particle swarm optimization algorithm are dynamically adjusted, a gray segmentation threshold is optimized in combination with K-means clustering, and the accuracy and convergence efficiency of gray distribution are remarkably improved; secondly, establishing a dynamic error diffusion system based on visual perception, designing a frequency domain visual weighted filter and a spatial domain sensitivity function by combining a human visual perception theory, dynamically compensating quantization errors and enhancing edge details; and meanwhile, a Floyd-Steinberg error diffusion algorithm is improved, and a double image effect is inhibited in combination with a snakelike scanning path. According to the electronic paper display mapping method based on visual perception and dynamic clustering, the electronic paper image display quality is effectively improved, particularly when a high-gray-scale image is displayed, details can be reserved to the maximum extent, and the problems of gray-scale distortion and edge blurring in traditional electronic paper display are solved.

To provide a protective film for an electronic paper that can suppress reduction in the display quality of an electronic paper when barrier properties are enhanced by using silicon oxides.SOLUTION: A protective film for an electronic paper includes: a barrier film including an inorganic oxide layer on a first substrate; and a second substrate. The first substrate side of the barrier film and the second substrate are laminated together via an adhesive layer. The inorganic oxide layer contains silicon oxides, has a thickness of 30nm or more, and satisfies the relations: (a haze of the second substrate)≤(a haze of the barrier film) and (a thickness of the barrier film)≤(a thickness of the second substrate).SELECTED DRAWING: Figure 1

The invention discloses an electronic paper pixel circuit, an electronic paper display panel and an electronic paper display device, and relates to the technical field of electronic paper. The electronic paper pixel circuit comprises a first thin film transistor and a second thin film transistor, the grid electrode and the first electrode of the first thin film transistor are connected with each other to access a first grid control signal, and the second electrode is connected with the grid electrode of the second thin film transistor; the second electrode of the second thin film transistor accesses a driving signal, and the first electrode is connected with the pixel electrode; the threshold voltage of the first thin film transistor is greater than that of the second thin film transistor; the first thin film transistor controls the first thin film transistor to be conducted according to the first gate control signal, converts the first gate control signal into an input voltage signal and transmits the input voltage signal to the second thin film transistor; and a second thin film transistor configured to control a voltage of the pixel electrode according to an input voltage signal and a driving signal. According to the invention, driving of the electronic paper pixel can be realized through low voltage, and the purpose of saving power consumption is achieved.

The invention discloses an electronic manicure, a manicure A component and an electronic manicure production method. The electronic manicure comprises a transparent manicure cover, an electronic paper layer arranged on the lower end face of the transparent manicure cover and a driving electrode carrier plate arranged on the lower end face of the electronic paper layer. The nail A component comprises the electronic nail and further comprises a driving power supply, the driving power supply is used for supplying power to the driving electrode carrier plate, the color of the electronic paper layer can be changed when the driving power supply supplies power to the driving electrode carrier plate, and the color of the electronic paper layer stops changing after the driving power supply stops supplying power to the driving electrode carrier plate. According to the electronic manicure production method, the electronic paper layer and the driving electrode layer are assembled to form the display module, and then the transparent manicure cover and the display module are assembled in an adhesive mode, so that the manicure colors and patterns can be replaced without disassembly, the damage to the fingernails is avoided, and continuous power supply of a battery is not needed.

The utility model relates to the technical field of product detection equipment, in particular to a manual detection platform for electronic paper, which is characterized in that horizontally arranged linear driving modules are arranged on two sides of a support frame body in the length direction, and the length direction of the linear driving modules is consistent with that of the support frame body; each linear driving module is provided with a first suction module used for carrying the electronic paper to the power-on module and further provided with a second suction module used for carrying the detected electronic paper away from the power-on module, and the linear driving modules are used for driving the first suction modules and the second suction modules to move horizontally. One electrifying module serves as a detection station, electronic paper is placed on the electrifying modules and then is electrified, the electrified electronic paper can emit light and change color, and a worker can judge whether the electronic paper is qualified or not by observing the light emitting and color changing degree of the electrified electronic paper at the detection station, so that manual detection processing is realized; therefore, the error rate during detection is reduced.

The utility model discloses an electronic paper system which comprises at least one piece of dot-matrix type electronic paper and at least one piece of segment code type electronic paper. The dot-matrix electronic paper comprises a second electrode layer, a first display layer and a first electrode layer which are stacked in sequence; the first electrode layer comprises a first electrode, the dot-matrix electronic paper further comprises a driving module, and a first common pin of the driving module is connected with the first electrode and used for outputting first common voltage to the first electrode; the segment code type electronic paper comprises a fourth electrode layer, a second display layer and a third electrode layer; the third electrode layer comprises a third electrode, the fourth electrode layer comprises a fourth electrode, a second common pin of the driving module is connected with the third electrode and used for outputting a second common voltage to the third electrode, and a driving pin of the driving module is connected with the fourth electrode and used for outputting a driving voltage to the fourth electrode. The driving module of the dot-matrix type electronic paper can provide driving voltage for the segment code type electronic paper, the circuit structure of the electronic paper system is simplified, and the cost is reduced.

The invention relates to the technical field of electronic paper, and discloses a preparation method and device of an electronic paper panel, equipment and a storage medium. According to the method, when the electronic paper panel is prepared, the preparation process of an organic insulating layer and a shading layer is improved, development is not carried out after exposure operation is carried out on organic insulating layer photoresist, and film coating and photoresist coating operation is carried out on the organic insulating layer photoresist by adopting shading layer metal; developing the organic insulating layer photoresist and the shading layer metal together to form a reserved region and a removed region; and performing etching and photoresist removing operation subsequently to generate an organic insulating layer and a shading layer. By improving the preparation process of the electronic board panel, the production process is simplified, and the production cost is effectively reduced.

The invention discloses electrophoretic coating liquid, an electronic ink layer and an electrophoretic display assembly, and relates to the technical field of electronic paper display. The electrophoresis coating liquid provided by the invention contains the surfactant, the rheological agent, the water-based resin adhesive, the defoaming agent, the emulsifier and the microcapsules, and by controlling the particle size distribution of the microcapsules, the microcapsules with the particle size D10 of 20-25 microns, the particle size D90 of 45-50 microns and the particle size D50 of 27-30 microns are selected, so that local deformation of large-particle-size capsules caused by stress concentration in the coating and drying process is avoided; in addition, the small-particle-size capsule shortens the migration path of electrophoretic particles, so that the electric field driving efficiency is improved, and the response time is effectively prolonged. By optimizing the ratio of the microcapsules to the water-based resin adhesive, the water-based resin adhesive can fill gaps of the microcapsules more sufficiently, a uniform supporting network is formed around the microcapsules after curing, capsule breakage caused by mechanical extrusion is reduced, and the breakage rate of the capsules is effectively reduced.

The invention discloses a manufacturing method of color electronic paper, the color electronic paper and a color display device. The manufacturing method of the color electronic paper comprises the following steps: manufacturing a driving layer, wherein the driving layer comprises a plurality of driving pixel units; manufacturing a capsule filter layer on the surface of the driving layer; the capsule light filtering layer comprises a plurality of capsule light filtering units; the capsule filtering units are in one-to-one correspondence with the pixel electrodes; each capsule light filtering unit comprises a color photoresist and a plurality of black and white electronic ink capsules filled in the color photoresist, and the plurality of capsule light filtering units form an R-color pattern, a G-color pattern and a B-color pattern; manufacturing a transparent electrode layer on the surface of the capsule filter layer; and manufacturing a transparent substrate or a waterproof layer on the surface of the transparent electrode layer. The color filter layer and the electronic ink capsule layer are combined into a whole, the total thickness of the color filter layer and the electronic ink capsule layer is reduced, the color cast phenomenon is avoided, and the display device has the advantages of being small in light resistance and high in segregation degree.

The invention relates to the technical field of automation equipment, in particular to a Print dispensing laminating machine which comprises an ITO laminating area, an OCA laminating area and a BT laminating area, the ITO laminating area is used for laminating a TFT and ITO, an EPD is formed after the TFT and the ITO are laminated, the OCA laminating area is used for laminating the EPD and OCA, and the BT laminating area is used for laminating a BT film. Compared with the prior art, the Print dispensing and laminating machine can be used for electronic paper TFT glass dispensing and TFT, ITO, OCA and BT laminating, the automation degree is high, the laminating precision is guaranteed, and modernized efficient automatic production is facilitated.

The invention discloses an electronic paper display device and a control method thereof. The electronic paper display device comprises an electronic paper display module and a control module, the solar energy collection module is used for converting solar energy into electric energy; the low-light energy collecting module is used for converting environment low light into electric energy; the energy storage unit is used for storing the electric energy provided by the solar energy collection module and the low-light energy collection module; the solar energy collection module is electrically connected to the energy storage unit through the first charging management circuit, the first charging management circuit comprises a solar energy power supply management chip and a first anti-reverse charging diode, and the input end of the solar energy power supply management chip is connected with the solar energy collection module; the output end of the solar power management chip is connected in series with the first anti-reverse charging diode and then is connected to the energy storage unit. According to the invention, the self-adaptive safe charging of the electronic paper in an indoor and outdoor changeable illumination environment is realized, and the endurance reliability and the application range of the electronic paper equipment are improved.

The invention discloses electronic paper display equipment and a feed protection and charging optimization method thereof. The electronic paper display equipment comprises an electronic paper screen; the energy storage unit is used for storing electric energy; the ambient light energy acquisition module is used for converting ambient light into electric energy and providing the electric energy to the power management module; the power management module is used for managing storage and distribution of electric energy and outputting a first voltage signal representing the real-time electric quantity of the energy storage unit and a current signal representing the real-time charging current to the main control module; the display driving module is used for driving the electronic paper screen to refresh pictures, and a power supply loop of the display driving module is controlled by the main control module; and the main control module is used for receiving the first voltage signal and the current signal, and generating a control instruction according to a comparison result of the real-time electric quantity and a first electric quantity threshold value and a comparison result of the real-time charging current and a first current threshold value. According to the invention, the problems of easy display abnormity, slow charging and incapability of automatic recovery during feeding of the electronic paper are solved, and energy autonomy and high-reliability operation are realized.

A camouflage system, comprising at least one camouflage element which consists of at least one partial surface and which is controlled to display at least one camouflage pattern in order to achieve improved camouflage of vehicles and other objects. For this purpose, the partial surface of interest consists of at least one e-paper film.