# US 12,112,230 B2 · Electronic paper display, logistics box and logistics state management method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,112,230 B2 - Document ID: US12112230B2 - Status: Granted - Kind: B2 - Application number: 18/299,721 - Filed: 2023-04-13 - Published: 2023-11-30 - Granted: 2024-10-08 - Earliest claimed: 2022-05-26 - Assignees: E Ink Holdings Inc. - Applicants: E Ink Holdings Inc. - Inventors: Chuen Jen Liu; Liang Yu Yan; Jia Hong Xu; Zhone Yang Wu - Web page: https://patentgrep.com/patent/US12112230B2 ## CPC - G06K 7/1413: {1D bar codes} - G09G 3/344: {based on particles moving in a fluid or in a gas, e.g. electrophoretic devices (electrophoretic devices per se G02F1/167)} - G09G 2330/02: Details of power systems and of start or stop of display operation - G09G 2354/00: Aspects of interface with display user - G09G 2370/16: Use of wireless transmission of display information - G09G 2380/04: Electronic labels - G06K: GRAPHICAL DATA READING (image or video recognition or understanding G06V); PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS - G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00) ## Abstract An electronic paper display, comprising a carrier device, a memory, a display panel, a sensing device and a processing device. The carrier device is arranged on a logistics box. The memory is arranged on the carrier device, and is configured to store a logistics data. The display panel is arranged on the carrier device, and is configured to generate a control voltage according to the logistics data to adjust a plurality of positions of a plurality of electrophoretic particles. The sensing device comprises at least one sensor, and is configured to sense at least one state parameter of the logistics box to generate at least one sensing signal. The processing device is coupled to the memory, the display panel and the sensing device, and is configured to send the at least one sensing signal through wireless transmission technology. ## Claims ### Claim 1 An electronic paper display, comprising: a carrier device arranged on a logistics box; a memory arranged on the carrier device, and configured to store a logistics data; a display panel arranged on the carrier device, and configured to generate a control voltage according to the logistics data to adjust a plurality of positions of a plurality of electrophoretic particles; a sensing device comprising at least one sensor, and configured to sense at least one state parameter of the logistics box to generate at least one sensing signal; and a processing device coupled to the memory, the display panel and the sensing device, and configured to send the at least one sensing signal through wireless transmission technology; wherein the memory is configured to store a state threshold, the processing device is configured to determine whether a value of the at least one sensing signal exceeds the state threshold. ### Claim 2 (depends on 1) The electronic paper display of claim 1, wherein the at least one sensor is a gravity sensor, a light sensor, a temperature sensor or a humidity sensor, and the processing device periodically sends the at least one sensing signal. ### Claim 3 (depends on 1) The electronic paper display of claim 1, wherein the display panel is configured to adjust the plurality of positions of the plurality of electrophoretic particles according to the logistics data to display a logistics barcode. ### Claim 4 (depends on 1) The electronic paper display of claim 1, further comprises: a motor coupled to the processing device, wherein when the processing device determines that the value of the at least one sensing signal exceeds the state threshold, the processing device is configured to drive the motor to generate vibration. ### Claim 5 (depends on 1) The electronic paper display of claim 1, wherein the memory is configured to store a reminder data, when the processing device determines that the value of the at least one sensing signal exceeds the state threshold, the processing device is configured to control the display panel to display a reminder pattern corresponding to the reminder data. ### Claim 6 A logistics box, comprising: a box body; a sensing device arranged on the box body, and comprising at least one sensor to sense at least one state parameter of the logistics box to generate at least one sensing signal; and an electronic paper display arranged on a surface of the box body, and coupled to the sensing device, wherein the electronic paper display is configured to control a plurality of positions of a plurality of electrophoretic particles to display a logistics barcode; wherein the electronic paper display is further configured to send the at least one sensing signal through wireless transmission technology; wherein the electronic paper display is configured to store a state threshold, the electronic paper display is configured to determine whether a value of the at least one sensing signal exceeds the state threshold. ### Claim 7 (depends on 6) The logistics box of claim 6, wherein the at least one sensor is a gravity sensor, a light sensor, a temperature sensor or a humidity sensor, and the processing device periodically sends the at least one sensing signal. ### Claim 8 (depends on 6) The logistics box of claim 6, wherein the electronic paper display further comprises: a battery; and a processing device coupled to the battery, and configured to periodically detect a remaining power of the battery; wherein when the processing device determines that the remaining power of the battery is lower than a set value, the processing device is configured to send a warning signal. ### Claim 9 (depends on 6) The logistics box of claim 6, wherein the electronic paper display further comprises: a motor; and a processing device coupled to the motor, wherein when the processing device determines that the value of the at least one sensing signal exceeds the state threshold, the processing device is configured to drive the motor to generate vibration. ### Claim 10 (depends on 6) The logistics box of claim 6, wherein the electronic paper display further comprises: a memory configured to store a logistics data and a reminder data; and a processing device coupled to the memory, wherein when the processing device determines that the value of the at least one sensing signal exceeds the state threshold, the processing device is configured to control the electronic paper display to display a reminder pattern corresponding to the reminder data. ### Claim 11 A logistics state management method, comprising: displaying, by an electronic paper display, a logistics barcode, wherein the electronic paper display is arranged on a box body; scanning, by a terminal device, the logistics barcode to obtain a logistics data; connecting, by the terminal device, to a server, and finding a progress data corresponding to the logistics data in the server, so as to selectively update the progress data; sensing, by at least one sensor of a sensing device, at least one state parameter of a logistics box to generate at least one sensing signal; sending, by a wireless transmission circuit, the at least one sensing signal; and comparing the at least one sensing signal with a state threshold; when the at least one sensing signal exceeds the state threshold, driving a motor or a buzzer. ### Claim 12 (depends on 11) The logistics state management method of claim 11, further comprises: scanning, by the terminal device, the logistics barcode to obtain a connection data; and connecting, by the terminal device, to the electronic paper display according to the connection data to control an electronic lock of the logistics box. ### Claim 13 (depends on 11) The logistics state management method of claim 11, further comprises: connecting, by the terminal device, to the server, and finding a state data corresponding to the logistics data in the server, so as to selectively update the state data according to the at least one sensing signal. ### Claim 14 (depends on 11) The logistics state management method of claim 11, further comprises: comparing the at least one sensing signal with a state threshold; and when the at least one sensing signal exceeds the state threshold, controlling the electronic paper display to display a reminder pattern.