380 results about "Electronic paper" patented technology

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 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.

The invention provides a heat dissipation method and a heat dissipation system for outdoor electronic paper display equipment. The heat dissipation method comprises the following steps: detecting and acquiring a machine body temperature value and an environment temperature value of the outdoor electronic paper display equipment; according to the machine body temperature value, the environment temperature value and the mapping relation among the machine body preset temperature value, the environment preset temperature value and the heat dissipation duration, the heat dissipation duration is obtained; obtaining a heat dissipation time node according to the next image brushing time and the heat dissipation duration; and at the heat dissipation time node, the heat dissipation device is started to dissipate heat of the machine body. The problem that outdoor electronic paper display equipment is poor in heat dissipation is effectively solved.

The utility model provides an electronic paper point screen crimping device which comprises at least one group of crimping modules and specifically comprises a driving module which comprises an X-direction driving mechanism and a Y-direction driving mechanism, and the Y-direction driving mechanism is arranged on the X-direction driving mechanism; the crimping module is installed on the Y-direction driving mechanism and comprises an opening-closing type driving mechanism, an upper crimping assembly and a lower crimping assembly, the upper crimping assembly and the lower crimping assembly are symmetrically arranged in the vertical direction, and the opening-closing type driving mechanism drives the upper crimping assembly and the lower crimping assembly to move oppositely or reversely; each of the upper crimping assembly and the lower crimping assembly comprises a fixed part, a floating part and a buffer structure connected with the fixed part, a probe is arranged in the fixed part, and the floating part is provided with a through hole for the probe to pass through; when the distance L1 between the upper crimping assembly and the lower crimping assembly is reduced to L2, the floating part pre-flattens the crimping end of the to-be-crimped product and completes correction and alignment; the buffer structure deforms, so that the floating part stops moving and the fixed part continuously moves until the upper probe and the lower probe are in contact with the surface of the product; and the visual unit is arranged above the crimping module. And the crimping precision and accuracy are improved.

The utility model provides a crimping module, comprising an opening and closing type driving mechanism which comprises a first driving end and a second driving end, and the first driving end and the second driving end are configured to synchronously drive so as to move towards each other or in opposite directions; the upper crimping assembly and the lower crimping assembly are symmetrically arranged in the vertical direction and are respectively mounted on the first driving end and the second driving end, each of the upper crimping assembly and the lower crimping assembly comprises a fixed part, a floating part and a buffer structure connected with the fixed part and the floating part, a probe is arranged in the fixed part, and the floating part is provided with a through hole for the probe to pass through; when the upper floating part and the lower floating part are in contact with the product to be crimped, compression continues to enable the buffer structure to generate elastic deformation, the floating parts stop moving, and the fixing part continues moving until the upper probe and the lower probe penetrate through the through holes to be in contact with the surface of the product. Through the innovative design of the fixing part, the floating part and the buffer structure, the electronic paper can be pre-flattened before crimping operation, so that the problem of inaccurate crimping alignment caused by bending and warping of the electronic paper is effectively solved.

The application discloses an electronic paper display panel and a control method thereof and an electronic paper display device, and mainly relates to the technical field of display. The electronic paper display panel comprises a plurality of pixel unit regions, each of which comprises a peep-proof region and a sharing region. An electrophoretic layer and a peep-proof function layer are sequentially arranged on an array substrate, and a common electrode layer is arranged on a side of the electrophoretic layer away from the array substrate. The peep-proof function layer is only located in the peep-proof region. When the electronic paper display panel is switched to a peep-proof state, the array substrate and the common electrode layer drive the electrophoretic layer in the peep-proof region to absorb or reflect light, so as to display a picture. When the electronic paper display panel is switched to a sharing state, the array substrate and the common electrode layer drive the electrophoretic layer in the sharing region to absorb or reflect light, so as to display a picture. Through the above design, the use scene of the electronic paper display panel can be enriched, and the thickness of the electronic paper display panel is reduced.

The invention discloses a display structure and electronic paper. The display structure comprises a first electrode layer, a pixel wall, ink and a bimetallic layer, the pixel wall is arranged on the first electrode layer, and the pixel wall encloses a pixel space; the ink is accommodated in the pixel space and is connected with the first electrode layer; the bimetallic layer is connected with the inner wall of the pixel wall and comprises a first metal layer and a second metal layer, and the thermal expansion coefficient of the first metal layer is larger than that of the second metal layer; after the bimetallic layer is electrified, at least part of the bimetallic layer is bent, and the orthographic projection of the bimetallic layer on the first electrode layer covers the ink. The display structure can shield the shrunk printing ink, and the display problem caused by printing ink residues is solved.

The application provides an array substrate and an electronic paper display device, and relates to the field of display. The array substrate comprises a substrate, a plurality of scan lines and a plurality of data lines are arranged on the substrate, the plurality of scan lines and the plurality of data lines cross and form a plurality of pixel units, and the pixel unit comprises a pixel electrode and a first thin film transistor. The pixel electrode is arranged opposite to the substrate. The first thin film transistor comprises a gate, a semiconductor layer, a source and a drain. The gate is connected with the scan line, the source is connected with the data line, the drain is electrically connected with the source, the gate comprises a top gate, a bottom gate and a connecting layer, the top gate and the bottom gate are arranged on opposite sides of the semiconductor layer in the thickness direction of the array substrate, and the top gate and the bottom gate are electrically connected through the connecting layer. The application can effectively improve the working stability of the electronic paper display device.

A driving substrate, an electronic paper display module and a display device, belonging to the technical field of display, the driving substrate can be applied to electronic paper, and the driving substrate comprises: a substrate (13) comprising a display area (1) and a peripheral area (4) surrounding the display area (1); a plurality of sub-pixels (111) located in the display area (1); and at least one hole digging region (2), the plurality of sub-pixels (111) surrounding the hole digging region (2); wherein the orthographic projection of the hole digging area (2) on the substrate (13) is located in a fitting area (2 ') of the display area (1), the fitting area (2') is an area defined by a regular graph obtained after fitting is conducted on the edge of the display area (1), and all or part of the fitting area (2 ') is the display area (1).

The application discloses an FPL film tearing device for electronic paper production and relates to the technical field of electronic paper production. The device comprises a rack, a control device fixedly installed on the top of the rack, and a feeder fixedly installed on one side of the rack. The FPL film tearing device for electronic paper production fastens the film material end of the electronic paper through a film material locker, uses an electronic paper mover and the feeder in cooperation to make the electronic paper move forward to realize the film tearing process, uses the setting of a preheater to improve the contact temperature of a film spreader and the film material, preheats the film material to reduce the stress during film tearing, uses the setting of the film spreader to make the film tearing interface position of the film material and the electronic paper substrate always maintain the same degree of film tearing strength, realizes the smooth separation of the film material through uniform external force, avoids the uneven film tearing between the film material and the substrate, and further guarantees the production efficiency and quality of the electronic paper.

The application discloses a high-gray-scale debugging method and device based on voltage control, a terminal device and a storage medium. The method comprises the following steps: obtaining a target gray scale and attributes of an electronic paper to be debugged; determining a target voltage value corresponding to the target gray scale according to the target gray scale and a preset gray scale voltage mapping table; determining a basic voltage value of the electronic paper to be debugged and a corresponding debugging mode according to the attributes of the electronic paper to be debugged; calculating a driving voltage value of the electronic paper to be debugged according to the debugging mode, the basic voltage value and the target voltage value; and performing a gray scale debugging operation on the electronic paper to be debugged according to the driving voltage value and the target gray scale, so that the electronic paper to be debugged reaches the target gray scale. Through implementation of the application, the artificial operation debugging time is reduced, and the high-gray-scale debugging efficiency of the electronic paper is significantly improved.

To provide an optical laminate for electronic paper that suppresses the deterioration of barrier properties over time. An optical laminate 200 for electronic paper having a first surface P1 and a second surface P2 opposite to the first surface, wherein the optical laminate comprises a first substrate 11 and a barrier film 100 having an inorganic oxide layer 21 on a second substrate 12, the first substrate 11 being located on the first surface P1 side of the second substrate 12, the inorganic oxide layer 21 being located on the second surface P2 side of the second substrate 12, the first substrate 11 being a triacetylcellulose film, and the second substrate 12 being a polyester film.

The invention provides electronic paper, a preparation method and a display device.A display layer of the electronic paper is arranged between a first electrode layer and a second electrode layer, the display layer comprises a plurality of microcavity structures, electrophoretic liquid is arranged in the microcavity structures, and at least one microcavity structure corresponds to one pixel region; the color resistance layer is arranged on the side, away from the first electrode layer, of the display layer, a plurality of color resistance areas are arranged on the color resistance layer, and the color resistance areas are arranged corresponding to the microcavity structures; wherein a cavity wall structure is arranged between two adjacent microcavity structures, the cavity wall structure is provided with at least two barrier layers along the thickness direction of the display layer, the at least two barrier layers and the color resistance layer are made of color resistance materials, and the at least two barrier layers are made of different color resistance materials; the cavity wall structure is made of a color resistance material and can be manufactured by adopting a partially same process with a color resistance layer, the preparation cost is reduced, and at least two barrier layers with different color resistances are arranged, so that a shielding area is formed to shield a switching device in the electronic paper.

An electronic paper display includes a surface cover plate, a lighting module, a first optical adhesive layer, an electronic paper display module and a second optical adhesive layer. A peripheral area of a bottom surface thereof is provided with a black bezel formed by an opaque or low-light-transmittance material. The bottom surface is disposed with a low-refractive-index transparent resin layer. The lighting module has a light guide plate and multiple point light sources. The point light sources are disposed outside an outer edge of the light guide plate. The lighting module is disposed under the surface cover plate. The first optical adhesive layer glues the surface cover plate and the lighting module. The electronic paper display module is disposed under the lighting module. The second optical adhesive layer glues the lighting module and the light guide plate of the lighting module.

The utility model relates to a light module for an electronic paper display and display equipment. The light module comprises a frame body; the frame body comprises at least two mutually independent frame units; every two adjacent frame units are connected end to end through a detachable connecting piece. The inner wall of each frame unit is provided with an isolation edge. The frame body forms an upper mounting area and a lower mounting area through the isolation edges of the at least two frame units; the lamp source assembly is mounted in the upper mounting area; wherein the lower mounting area is used for mounting an electronic paper display. According to the scheme, modularized split installation of the light source assembly and the electronic paper displayer can be achieved, the physical decoupling and independent assembling effects of the light module and the electronic paper displayer are achieved, and the problem that a traditional integrated light module is difficult to replace, upgrade and maintain is effectively solved.

The application relates to the technical field of electronic paper, in particular to an electronic paper blackboard device and a control method. A controller is electrically connected with the electronic paper blackboard. An electronic chalk is provided with a first magnet, and the first magnet is detachably connected with the electronic chalk. The electronic chalk is used for changing the magnetic pole direction of a magnetic electronic ink material through the first magnet, so that the color of the magnetic electronic ink material is changed to form written content. A passive blackboard eraser is provided with a second magnet, and the second magnet is detachably connected with the passive blackboard eraser. The passive blackboard eraser is used for resetting the magnetic pole direction of the magnetic electronic ink material through the second magnet, so that the corresponding written content is erased, thereby realizing the traditional blackboard function. The electronic paper blackboard can be conveniently written and erased, and the reflection of the electronic paper blackboard does not affect the vision of children, which is beneficial to human health.

An electronic paper display substrate and a display device. The electronic paper display substrate comprises: a base substrate; first signal lines and second signal lines, a plurality of first signal lines and a plurality of second signal lines intersecting to define a plurality of pixel regions; pixel electrodes and common electrodes, arranged in the pixel regions; and an insulating layer, arranged between the pixel electrodes and the common electrodes. First portions of the first signal lines and the common electrodes are arranged on the same layer, second portions of the first signal lines and the pixel electrodes are arranged on the same layer, and the first portions are electrically connected to the second portions through via holes in the insulating layer; the orthographic projection of the first portions on the base substrate is a first projection, the orthographic projection of the second portions on the base substrate is a second projection, and the orthographic projection of the pixel electrodes on the base substrate is a third projection; and a first distance between the first projection and the third projection in a second direction is less than a second distance between the second projection and the third projection in the second direction, so that the sides of the pixel electrodes close to the first portions can be made larger so as to increase the pixel aperture ratio.

The invention provides a display module and electronic paper. The display module provided by the invention is used for electronic paper. The display module comprises a display substrate, a gate drive circuit and a switch control circuit. The display substrate comprises a substrate body and a plurality of grid lines arranged on the substrate body. The gate driving circuit is configured to provide gate driving signals for the plurality of gate lines row by row in a picture refreshing stage; and in a picture holding stage, stopping outputting the gate driving signal. The switch control circuit is electrically connected with the grid driving circuit and the plurality of grid lines, and is configured to conduct the grid lines and the grid driving circuit in a picture refreshing stage; and in a picture keeping stage, the grid lines are disconnected from the grid driving circuit. According to the display module disclosed by the invention, the grid lines and the grid driving circuit can be automatically and forcibly disconnected in a picture keeping stage, so that the voltage on the grid lines can be slowly discharged.

An access card for accessing a restricted location. The access card comprising at least one display unit configured to display information even when the display unit is unpowered. The access card further comprising a control unit powered by a power source. The control unit being configured to vary the information displayed on the at least one display unit depending on a first predetermined condition being satisfied.

An electronic paper protective film comprises a base material layer, an inorganic silicon-containing layer is sputtered on one side of the base material layer through magnetron sputtering, a hot melt adhesive layer is coated on the surface of the inorganic silicon-containing layer, and an anti-dazzle layer is arranged on the other side of the base material layer. The anti-dazzle packaging film has good water vapor barrier performance, does not need to be packaged by edge sealing glue, and has anti-dazzle performance.

The invention discloses a split-screen synchronous display method for electrophoresis electronic paper and electrowetting electronic paper. The method comprises the following steps: S1, receiving a video stream output by an external video source; s2, converting the video stream into a parallel RGB (Red, Green, Blue) data stream; s3, performing inter-frame difference calculation on the parallel RGB data stream to generate a frame difference data stream; s4, asynchronously caching the frame difference data stream to adapt to the difference between the output frame rate of the external video source and the refresh rate of the electronic paper display equipment; s5, based on the asynchronously cached frame difference data flow, respectively generating driving signals suitable for the electrophoresis electronic paper and the electrowetting electronic paper; and S6, respectively outputting the driving signals to the electrophoresis electronic paper display equipment and the electrowetting electronic paper display equipment so as to realize synchronous split-screen display. According to the invention, multiple problems in real-time dynamic display of the existing electronic paper are solved.

The utility model discloses an electronic paper frame structure with mild curing, which relates to the technical field of electronic paper frame structures, and comprises a glass bottom plate, a pressing plate and a driving chip, one end of the glass bottom plate is provided with the pressing plate, and one end of the pressing plate is provided with the driving chip. The sealant arranged between the electronic paper diaphragm and the glass bottom plate is used for prolonging a water vapor permeation channel, so that the water vapor blocking performance can be improved, the planar sheet layer structure superposition can effectively prolong the water vapor permeation channel, the service life of the electronic paper is prolonged, cations / free radicals are mixed and cured, the crosslinking density is improved, and the service life of the electronic paper is prolonged. Cation epoxy curing raw materials and free radical curing raw materials are screened, the proper ratio of the two systems is adjusted, and finally, a UV curing mode is adopted, so that curing conditions are milder, a high-temperature heating stage is avoided, damage to an electronic paper display unit is smaller, and the performance of the electronic paper display unit is improved. Therefore, the electronic paper frame structure has a good curing and mildness effect when in use.

The utility model discloses electronic paper with edge compensation pixels and a display device. The electronic paper comprises a normal display unit and an edge compensation display unit, the normal display unit comprises one or more than two normal display pixels; the normal display pixels are rectangular, the lengths of the normal display pixels are equal, and the widths of the normal display pixels are equal; the edge compensation display unit comprises at least one edge compensation pixel; the shape of the edge compensation display unit is equal to that of a normal display unit which is cut by one, two or three right angles. The electronic paper with the edge compensation pixels is designed, through the structure and combination of the edge compensation pixel units, the electronic paper is more suitable for being displayed on the arc-shaped edge, the display effect can be adjusted and set according to different gray scales, and the display effect is better.

This utility model relates to the field of electronic paper display technology, specifically to a plasma display module with a polymer dielectric coating, comprising: a first substrate and a second substrate, the second substrate being disposed opposite to the first substrate, forming a plasma display cavity between the first and second substrates, the plasma display cavity being filled with plasma particles; a pixel electrode layer is disposed on the surface of the second substrate facing the first substrate, a filter layer is disposed on the surface of the first substrate facing the second substrate, and a conductive dielectric layer is disposed on the surface of the filter layer facing the second substrate; a polymer dielectric coating is disposed on the surface of the conductive dielectric layer facing the second substrate or the surface of the pixel electrode layer facing the first substrate. The polymer dielectric coating in this utility model possesses the characteristics of strong vertical conductivity and weak horizontal conductivity, which can effectively reduce the oblique electric field and help particles move orderly between the upper and lower substrates, thereby eliminating image retention.

A light-emitting module includes a housing including a first opening, a substrate including a second opening, a light-emitting device, and electronic paper covering the first opening. The light-emitting device is disposed in the housing and configured to emit first light. At least a portion of second light, which is a reflective component of the first light reflected by the electronic paper, is emitted to outside of the housing through the second opening. The electronic paper is switchable between a first state in which a first color appears when the light-emitting device is turned on and a second state in which a second color appears when the light-emitting device is turned off. In the first state and the second state, the electronic paper is visually recognizable from the outside of the housing through the second opening.

A transportation carrier is provided for automated lens manufacturing in a lens manufacturing facility, including: at least one block piece or one block piece receiving section; and an electronic paper display configured to display at least an up-to-date status information of the manufacturing process of the optical elements carried by the transportation carrier that is intelligible for a human operator without use of a reading device, the electronic paper display including a wireless communication module and a memory configured to exchange and to memorize job information and to process information for lenses to be manufactured, in which the electronic paper display is further configured to function as a passive RFID tag with the wireless communication module.

The invention relates to the technical field of electronic paper production, in particular to an electronic paper automatic plate turning and laminating machine based on rapid line changing processing, which comprises a base, and a material placing assembly and a turning and laminating assembly positioned on two sides of the top of the base, the material placing assembly is used for positioning and placing a glass substrate and is combined with the turning and laminating assembly for adsorption and fixation; the overturning and attaching assembly is used for adsorbing and overturning the electronic paper and attaching the electronic paper to the glass substrate in a bubble-free manner; according to the invention, the L-shaped positioning block is used for quickly positioning the glass substrate, the slicking block is used for quickly placing the electronic paper and the glass substrate in parallel, a double-CCD camera visual alignment system is combined, the edge position data of the glass substrate is taken as a reference, the position deviation of the electronic paper and the glass substrate is captured and analyzed in real time, and the turnover plate is controlled to move in multiple directions on the horizontal plane; accurate fine adjustment of the deviation between the electronic paper and the glass substrate is automatically achieved, and rapid and accurate attachment of the electronic paper and the glass substrate of different sizes during line changing is achieved.

The application discloses an electronic paper display device. The electronic paper display device comprises a driving substrate, a first electronic paper film and a second electronic paper film. The first electronic paper film is laid on one side surface of the driving substrate. The second electronic paper film is laid on the other side surface of the driving substrate away from the first electronic paper film. The driving substrate comprises a substrate, a data line, a first driving unit and a second driving unit. The first driving unit and the second driving unit are embedded in the substrate and are respectively exposed on the two opposite side surfaces of the substrate. The second driving unit is arranged at intervals from the first driving unit. The data line is arranged on one side of the substrate. The first driving unit and the second driving unit are connected with the data line. The first electronic paper film is connected with the first driving unit. The second electronic paper film is connected with the second driving unit. Thus, the first electronic paper film and the second electronic paper film can be independently displayed. The data line is arranged on one side of the substrate, thereby improving the display aperture ratio.