# US 10,313,498 B2 · Electronic device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,313,498 B2 - Document ID: US10313498B2 - Status: Granted - Kind: B2 - Application number: 15/833,066 - Filed: 2017-12-06 - Published: 2018-11-01 - Granted: 2019-06-04 - Earliest claimed: 2017-04-26 - Assignees: Boe Technology Group Co., Ltd.; Chengdu Boe Optoelectronics Technology Co., Ltd. - Applicants: Boe Technology Group Co., Ltd.; Chengdu Boe Optoelectronics Technology Co., Ltd. - Inventors: Shou Ye; Lei Xiao; Lijuan Huang; Gaoling Zhang; Yungchiang Lee; Xuan Wen; Li Huang; Shuang Liu; Zhonglong Chen; Kai Zhao; Qinyuan Chu - Web page: https://patentgrep.com/patent/US10313498B2 ## CPC - H04M 1/0245: {using open/close detection} - G04C 10/02: the power supply being a radioactive {or photovoltaic} source - G04G 9/007: {combined with a calculator or computing means} - G04G 17/045: {Mounting of the display} - G06F 1/163: {Wearable computers, e.g. on a belt} - G06F 1/1635: {Details related to the integration of battery packs and other power supplies such as fuel cells or integrated AC adapter} - G06F 1/1647: {including at least an additional display (G06F1/1692 takes precedence)} - G06F 1/1652: {the display being flexible, e.g. mimicking a sheet of paper, or rollable} - H02S 99/00: Subject matter not provided for in other groups of this subclass - H04B 1/385: {Transceivers carried on the body, e.g. in helmets} - H04M 1/0268: {including a flexible display panel} - H04M 1/72448: with means for adapting the functionality of the device according to specific conditions - H10F 19/00: Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F10/00, e.g. photovoltaic modules - H04M 1/72454: according to context-related or environment-related conditions - H04M 2201/38: Displays - H04M 2201/42: Graphical user interfaces - H04M 2250/12: including a sensor for measuring a physical value, e.g. temperature or motion - H04M 2250/16: including more than one display unit - Y02E 10/50: Photovoltaic [PV] energy - H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08) - G04C: ELECTROMECHANICAL CLOCKS OR WATCHES - G04G: ELECTRONIC TIME-PIECES - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - H02S: GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES (obtaining electrical energy from radioactive sources G21H1/12; light sensitive inorganic semiconductor devices H10F; light sensitive organic semiconductor devices H10K30/00; thermoelectric devices H10N10/00; pyroelectric devices H10N15/00) - H04B: TRANSMISSION - H10F: INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract An electronic device includes a wristband comprising a first main surface and a second main surface disposed oppositely; a first display panel and a second display panel which are disposed on the wristband and at least partially facing each other. The first display panel is disposed on the first main surface and the second display panel is a flexible display panel and disposed on the second main surface. ## Claims ### Claim 1 An electronic device, comprising: a wristband, comprising a first main surface and a second main surface disposed oppositely, wherein in a case where the wristband is worn on a user's wrist, the first main surface is a surface away from the user's wrist, and the second main surface is a surface facing the user's wrist; a first display panel and a second display panel, both disposed on the wristband and at least partially facing each other; a driving device, disposed on the wristband; a first end and a second end which are distal to the first display penal, the wristband being configured such that the first end and the second end are connected detachably; a first sensor disposed on at least one of the first end and the second end, wherein the first display panel is disposed on the first main surface, and wherein the second display panel is a flexible display panel and is disposed on the second main surface, wherein the driving device is communicated with at least one of the first display panel and the second display panel, wherein the first sensor is configured to detect the connection state between the first end and the second end, and is signally communicate with the driving device, and wherein the driving device is configured to turn on the first display penal and turn off the second display penal when the first end is connected with the second end, and the driving device is configured to turn on the second display penal and turn off the first display penal when the first end is not connected with the second end. ### Claim 2 (depends on 1) The electronic device according to claim 1 further comprising: a photovoltaic device, disposed on the first main surface of the wristband, wherein the photovoltaic device is configured to supply power to the driving device. ### Claim 3 (depends on 2) The electronic device according to claim 2, wherein the photovoltaic device comprises a plurality of sub-photovoltaic panels which are disposed on at least one side of the first display panel in parallel; or the photovoltaic device comprises at least one flexible photovoltaic panel which is disposed on at least one side of the first display panel. ### Claim 4 (depends on 2) The electronic device according to claim 2, wherein the photovoltaic device is embedded into the wristband. ### Claim 5 (depends on 1) The electronic device according to claim 1 wherein the wristband is composed of a shape memory material. ### Claim 6 (depends on 1) The electronic device according to claim 1, wherein the first end and the second end are connected with each other in the manner of at least one of magnetic connecting, fastening and clamping. ### Claim 7 (depends on 1) The electronic device according to claim 1 further comprising: a second sensor disposed on the second main surface; wherein the second sensor is configured to detect at least one of pulse rate and body temperature and the second sensor is signally communicated with the driving device. ### Claim 8 (depends on 1) The electronic device according to claim 1 further comprising: a protecting layer disposed on a side surface around the wristband. ### Claim 9 (depends on 1) The electronic device according to claim 1 further comprising: at least one of or combination of a key for answering phone call, a key for controlling volume, a key for displaying image and a key for playing video which is disposed on one of the first display panel or the second display panel. ### Claim 10 (depends on 1) The electronic device according to claim 1, wherein the first display panel is configured to display a graphical interface of a watch; and the second display panel is configured to display a graphical interface of a mobile phone. ### Claim 11 (depends on 10) The electronic device according to claim 10 further comprising: at least one of or combination of a gravity sensor, a distance sensor, a positioning device and a light sensor. ### Claim 12 An electronic device, comprising: a wristband, comprising a first main surface and a second main surface disposed oppositely; a first display panel and a second display panel, both disposed on the wristband and at least partially facing each other; a driving device, disposed on the wristband; a first end and a second end which are distal to the first display penal, the wristband being configured such that the first end and the second end are connected detachably; a first sensor disposed on at least one of the first end and the second end, wherein the first display panel is disposed on the first main surface, and wherein the second display panel is a flexible display panel and is disposed on the second main surface, wherein the driving device is communicated with at least one of the first display panel and the second display panel, wherein the first sensor is configured to detect the connection state between the first end and the second end, and is signally communicate with the driving device, and wherein the driving device is configured to turn on the first display penal and turn off the second display penal when the first end is connected with the second end, and the driving device is configured to turn on the second display penal and turn off the first display penal when the first end is not connected with the second end.