baber/WOPTO huggingface dataset:
Patent WO-2019200652-A1 (WO)
Title: Road and wall dual-purpose solar street light
Inventor: YANG MING
IPC: F21V23/00
Filed: 2018-05-22
Abstract: A road and wall dual-purpose solar street light, comprising a light head, a support (9), and a connection portion; the light head is connected to the support (9) by means of the connection portion, the support (9) is disposed on a wall or on the ground, and the connection portion is disposed at a tail end of the light head; the light head comprises a light top cover (1), a light bottom cover (2), a fixing cover (3), a solar panel (4), a battery pack (5), a control board (6), an aluminum substrate (7), and an optical polarization lens (8); the light top cover (1) and the light bottom cover (2) are fastened to one another, the light top cover (1) and the light bottom cover (2) both being structures that increase in thickness from a head portion to a tail portion; the connection portion is disposed at the middle of the position at which tail portions of the light top cover (1) and light bottom cover (2) connect; the fixing cover (3) is disposed at the tail portion of the light top cover (1), and the solar panel (4) is disposed on the light top cover (1); the battery pack (5) and the aluminum substrate (7) are connected to the solar panel (4), and the optical polarization lens (8) is disposed at the light bottom cover (2) The street light may be disposed on the ground or on a wall by selecting a proper support (9) according to specific terrain, while solar light receiving efficiency may further be improved, utilization efficiency may be improved, and resource waste may be reduced.
Patent WO-2020010615-A1 (WO)
Inventor: YOU XIN
IPC: H04W72/02
Filed: 2018-07-13
Abstract: 本发明公开了一种指示波束失败修复的方法，包括：在满足触发波束失败修复条件时，终端设备发送媒体接入控制(MAC)控制元素(CE)；所述MAC CE指示用于网络设备发送反馈消息的波束对应的波束索引。本发明还公开了另一种指示波束失败修复的方法、终端设备、网络设备及存储介质。
Patent WO-2020019277-A1 (WO)
Title: Method for preparing spherical powder filler, spherical powder filler prepared thereby and application thereof
Inventor: CHEN SHUZHEN
IPC: C08G77/04
Filed: 2018-07-27
Abstract: The present invention relates to a method for preparing a spherical powder filler, comprising steps of: S1, providing spherical siloxane having components of a 0-10 wt% unit Q and a 90-100 wt% unit T; S2, performing heat treatment on the spherical siloxane to enable silicon hydroxyl in the spherical siloxane to undergo condensation, thereby obtaining condensed siloxane; and S3, adding a treating agent to perform surface treatment on the condensed siloxane, thereby eliminating the silicon hydroxyl in the condensed siloxane to obtain a spherical powder filler. The additive amount in percentage by weight of the treating agent is 0.5-50 wt%, and the treating agent comprises a treating agent generating a unit D and/or a unit M. The present invention further provides the spherical powder filler obtained by using the preparation method, and further provides an application of the spherical powder filler. The filler provided by the present invention has a low permittivity, a low dielectric loss, no conducting impurity, no coarse particles, and a low radioactivity.
Patent WO-2019037613-A1 (WO)
Title: A method for preparing monodispersed polymer microparticles
Inventor: ABBOTT NICHOLAS L
IPC: C09K19/38
Filed: 2018-08-13
Abstract: The invention discloses a method for preparing monodisperse polymer microparticles, comprising: forming monodisperse liquid crystal droplets including at least one reactive liquid crystal compound, at least one non-reactive liquid crystal compound and at least one polymerization initiator; polymerizing the at least one reactive liquid crystal compound in the monodisperse liquid crystal droplets to form intermediary microparticles; removing the at least one non-reactive liquid crystal compound from the intermediary microparticles to form polymer microparticles; separating, washing and dispersing or drying the polymer microparticles. The method based on liquid-crystal-assisted template polymerization is able to produce monodisperse polymer microparticles with controllable sizes, shapes and internal structures.
Patent WO-2019091170-A1 (WO)
Inventor: SONG BO
IPC: G02B11/34
Filed: 2018-08-14
Abstract: La présente invention concerne un ensemble de lentilles d'appareil de prise de vues. L'ensemble de lentilles comprend de manière séquentielle, d'un côté objet à un côté image le long d'un axe optique : une première lentille ayant une puissance focale positive et une surface concave faisant face au côté image ; une deuxième lentille ayant une puissance focale ; une troisième lentille ayant une puissance focale ; une quatrième lentille ayant une puissance focale ; une cinquième lentille ayant une puissance focale ; une sixième lentille ayant une puissance focale positive et une surface concave faisant face au côté objet ; une septième lentille ayant une puissance focale ; et une huitième lentille ayant une puissance focale négative et une surface concave faisant face au côté objet. La longueur focale effective totale f de l'ensemble de lentilles d'appareil de prise de vues et le diamètre de pupille d'entrée (EPD pour Entrance Pupil Diameter) de l'ensemble de lentilles d'appareil de prise de vues satisfont la relation : f/EPD ≤ 2,0.
Patent WO-2018233725-A1 (WO)
Title: Certificate distribution method, user terminal, user subscription certification management unit and medium
Inventor: YU WANTAO
IPC: H04L29/06
Filed: 2018-08-20
Abstract: Disclosed is an Internet of Things (IOT) device certificate distribution method, comprising: sending IOT device certificate request information to a user subscription certification management unit, so that the user subscription certification management unit generates a network side IOT device certificate for the IOT device; receiving the network side IOT device certificate sent by the user subscription certification management unit, and generating a device side IOT device certificate for the IOT device according to the network side IOT device certificate; sending the device side IOT device certificate to the IOT device. Also disclosed are a user terminal, a user subscription certification management unit and a storage medium.
Patent WO-2019037738-A1 (WO)
Title: Method and apparatus for detecting network fault
Inventor: SHI FENYI
IPC: H04L45/28
Filed: 2018-08-22
Abstract: Disclosed in embodiments are a method and apparatus for detecting a network fault. The method for detecting a network fault comprises: construct a detection message according to a start address and a destination address of a flow path with a fault; send the detection message to a device to be detected corresponding to the start address in the flow path with the fault; the device to be detected corresponding to the start address sends the detection message to a next device to be detected in the flow path with the fault, and so forth until the detection message is sent to a device to be detected corresponding to the destination address; acquire a detection result message corresponding to the flow path with the fault; and determine a fault cause of the flow path with the fault according to the detection result message.
Patent WO-2019119897-A1 (WO)
Inventor: SHEN GANGXIANG
IPC: G06F3/06
Filed: 2018-09-13
Abstract: 本申请公开了一种边缘计算服务缓存方法、系统、装置及计算机可读存储介质，将边缘计算服务网络划分为多个区域，每个区域包括多个子区域，子区域与边缘计算节点一一对应，将每个边缘计算节点分为热点存储空间和普通存储空间，根据不同信息数据在不同节点的喜好程度，按照一定的计算方式将其保存至各个边缘计算节点的热点存储空间和本地存储空间中，以优化跨节点协同处理用户访问请求，缩短用户的访问时间，最大化的利用边缘计算节点的处理能力和存储空间，最后通过不断调节热点存储空间大小和改变边缘计算节点中存储的信息数据分布，求解出用户平均访问延时最优情况下的边缘计算节点的信息数据存放分布数据，使得用户的平均访问延时最小。
Patent WO-2019062651-A1 (WO)
Title: Localization and mapping method and system
Inventor: BAI JING
IPC: G01C21/20
Filed: 2018-09-20
Abstract: A localization and mapping method, comprising: determining current pose of a mobile device and a grid map of a current environment according to odometer data and laser data (S11); determining a global optimal path from a starting point to a destination point according to the odometer data, the laser data, and the grid map, in order to complete a navigation task of the mobile device (S12); extracting bag-of-word data of a current image on the basis of a re-localization request, and searching, by means of a lexicographic tree, for key frames corresponding to historical bag-of-word data having similarity within a preset range to the bag-of-word data of the current image (S13); and performing feature matching on the basis of the key frames to determine the pose of the current image in a world coordinate system, and determining the pose of the mobile device in world coordinates according to the pose of the current image in the world coordinate system and the mounting pose of an image sensor in the mobile device, in order to complete re-localization (S14). Also provided is a localization and mapping system.
Patent WO-2019085760-A1 (WO)
Inventor: OUYANG CONGXING
IPC: G06T3/40
Filed: 2018-10-17
Abstract: 本发明涉及图像处理领域，尤其涉及一种图像处理方法及装置，获取图像数据，进行拼接，获得拼接后的图像数据块；将拼接后的图像数据块中包含所述图像数据的图像数据块与三维图像框架数据库中区块的图像进行匹配，若获得至少一个映射关系，更新用户的三维图像模型，根据第一预设展示策略进行展示；若拼接后的图像数据块都没有获得映射关系，根据第二预设展示策略进行展示；若满足预设条件，将用户的三维图像模型、记录的已确定获得映射关系的区块的编号信息和/或未获得映射关系的图像数据块上传到云端服务器，使云端服务器更新三维图像框架数据库，无需对口腔连续有序扫描，就可以得到三维图像，并不断完善三维图像框架数据库，提高匹配成功率。
Patent WO-2020087349-A1 (WO)
Inventor: CHEN GANG
IPC: B64D47/00
Filed: 2018-10-31
Abstract: 一种无人机及其云台控制方法，其中，云台控制方法包括飞控系统（36）生成无人机（30）的偏航角速率指令（103），云台控制系统（37）根据无人机（30）的偏航角速率指令（103），控制云台（35）的偏航轴电机。由飞控系统（36）和云台控制系统（37）联合控制云台（35）的偏航轴电机，最大限度发挥了云台控制系统（37）高精度控制和快速响应的优点，利用该优点来补偿飞控系统（36）在偏航控制上的不足，实现了对云台（35）偏航通道的增稳，彻底解决了当无人机（30）低速偏航时，航拍视频的卡顿现象。
Patent WO-2020087381-A1 (WO)
Title: 模型数据的载入方法、装置、设备和存储介质
Inventor: LIN ZONGXIAN
IPC: G06F21/60
Filed: 2018-10-31
Abstract: 本申请提供了一种模型数据的载入方法、装置、设备和存储介质，其中，该方法包括获取待载入模型对应的第一模型数据和密码，并基于预存的密钥派生函数以及所述密码生成第一密钥；采用所述第一密钥对所述第一模型数据进行加密处理，得到加密后的第二模型数据，并生成包括所述密码和所述第二模型数据的第一数据块；将所述第一数据块载入运行平台，以使所述运行平台在获取到所述第一数据块后，从所述第一数据块中解密获得所述第一模型数据。本申请实施例提供的技术方案能够提高模型数据的载入安全和载入准确性。
Patent WO-2020093302-A1 (WO)
Title: Hybrid power module and vehicle
Inventor: XU JUNJIE
IPC: B60K1/02
Filed: 2018-11-08
Abstract: A hybrid power module and a vehicle comprising the hybrid power module. The hybrid power module comprises a hybrid transmission, a first motor (4), and a second motor (8). The hybrid transmission comprises a transmission input shaft (2) connected to an internal combustion engine (1) of a vehicle; a transmission output shaft (13); a first planetary gear mechanism (3) connected to the transmission input shaft (2); and a second planetary gear mechanism (7) connected to the transmission output shaft (13), wherein the transmission input shaft (2) is rigidly connected to a first ring gear (31), power is transmitted between the first motor (4) and a first sun gear (33), power is transmitted between the second motor (8) and a second sun gear (73), and the transmission output shaft (13) is rigidly connected to a second planetary carrier (72). A first clutch (12) for causing a second ring gear (71) to engage with a transmission housing, a second clutch (5) for causing a first planetary carrier (32) to engage with the second ring gear (71), and a third clutch (6) for causing the first planetary carrier (32) to engage with the second planetary carrier (72) are provided.
Patent WO-2020093309-A1 (WO)
Title: Display panel and manufacturing method therefor
Inventor: CHO EN-TSUNG
IPC: H01L51/56
Filed: 2018-11-08
Abstract: Disclosed in the present application are a display panel and a manufacturing method therefor. The display panel of the present application comprises: a substrate; an active switch; a color resist layer; a first electrode layer; a light-emitting diode; a second electrode layer; an encapsulation layer; and a drive circuit. The light-emitting diode comprises a red light-emitting layer, a green light-emitting layer and a blue light-emitting layer, and the blue light-emitting layer comprises a germanium silicon quantum dot material.
Patent WO-2020093405-A1 (WO)
Inventor: DENG JIA
IPC: H01M8/04007
Filed: 2018-11-10
Abstract: Disclosed is a cooling circulation system for a fuel cell. The system comprises a cooling system (10), the cooling system (10) comprising a cell reactor (5) used for power generation using an electrochemical reaction between air and hydrogen, a water pump (12), a heat dissipator (13), a constant-temperature three-way valve (14), and a pipeline. The cell reactor (5), the water pump (12), the heat dissipator (13) and the constant-temperature three-way valve (14) are connected through the pipeline, and at least part of the pipeline is a heating pipeline (15). The heating pipeline (15) is directly used for heating a coolant for the fuel cell, so as to not only optimize the heating and circulating performance of the coolant, but also improve the operating efficiency of the fuel cell. In addition, the system has a simple and compact structure, and does not increase the volume of the fuel cell, thereby saving on the space and costs of the fuel cell.
Patent WO-2020019601-A1 (WO)
Title: Metasurface primary lens and metasurface secondary lens, manufacturing method thereof, and optical system
Inventor: LI GUIXIN
IPC: G02B5/08
Filed: 2018-11-22
Abstract: Provided are a metasurface primary lens (1), a metasurface secondary lens (2), a manufacturing method for the same, and an optical system. The metasurface primary lens (1) is manufactured by means of the manufacturing method for said lens. The metasurface primary lens (1) comprises a transparent substrate (200). The transparent substrate (200) comprises a metasurface pattern of the primary lens (1) located on the transparent substrate (200). The metasurface of the primary lens (1) is configured with a pattern satisfying phase distribution of the primary lens (1), so as to reflect and focus an incident light reflected by the metasurface secondary lens (2) onto the metasurface primary lens (1).
Patent WO-2019134465-A1 (WO)
Inventor: CHU YIFANG
IPC: G09G3/36
Filed: 2018-11-27
Abstract: L'invention concerne un procédé de compensation de pixels, un dispositif de compensation de pixels et un dispositif d'affichage. Le procédé de compensation de pixels consiste à : déterminer un sous-pixel cible à compenser dans une zone d'affichage (11) ; définir qu'au moins un sous-pixel, qui est connecté à la même ligne de données que le sous-pixel cible et a été chargé, est un sous-pixel de référence (12) ; acquérir une valeur de compensation pour le sous-pixel cible (13) ; et compenser un paramètre d'affichage du sous-pixel cible d'après la valeur de compensation (14).
Patent WO-2020062569-A1 (WO)
Inventor: KANG CHIH TSUNG
IPC: G02B5/30
Filed: 2018-12-05
Abstract: A polarizing structure and a display device. The polarizing structure comprises a phase compensation film (100), a polarizing film (200), a support film (300), and an optical compensation film (400) stacked in sequence, wherein the refractive index of the support film (300) is greater than that of the optical compensation film (400); a plurality of grooves (301) is formed in the support film (300); a plurality of protrusion structures (401) matching the grooves (301) are formed on the optical compensation film (400), and each protrusion structure (401) is accommodated in the corresponding groove (301); the width of each protrusion structure (401) is less than or close to the wavelength of incident light.
Patent WO-2020113516-A1 (WO)
Inventor: CHEN DAN
IPC: G09G3/32
Filed: 2018-12-06
Abstract: 一种EOA电路、显示面板及终端，该EOA电路包括：输出模块（10），用于根据第一扫描信号（Gn）和时钟信号（ECKB）生成输出信号（Eout）；输出模块（10）还用于在第一扫描信号（Gn）为有效电平期间且时钟信号（ECKB）为无效电平期间，将输出信号（Eout）由高电平信号重置为低电平信号；控制模块（20），用于在第一扫描信号（Gn）为无效电平期间，根据第二扫描信号（Gn-2），将输出信号（Eout）由低电平信号恢复至高电平信号。该EOA电路结构简单，占用空间小，有利于窄边框设计。
Patent WO-2020052123-A1 (WO)
Title: Precooler-based transcritical co2 heat pump system and water path two-way valve control method therefor
Inventor: CAO FENG
IPC: F25B9/00
Filed: 2018-12-11
Abstract: A precooler-based transcritical CO 2  heat pump system and a water path two-way valve control method. A conventional transcritical CO 2  heat pump system (100) is assisted by a precooler system (200); a circulating water path is divided into two portions in the system by means of a three-way shunt valve (2) and a three-way water catchment valve (5), and the two portions are connected by means of a water path two-way adjusting valve (4) and a water path bypass valve (3); and meanwhile, in cooperation with an environment temperature sensor, an evaporator fin temperature sensor, and an evaporation pressure sensor, a programmable logic controller is adopted as a collecting, operation, and control core. By means of the system configuration and a properly constituted temperature, pressure and time combined control method, popularization of the transcritical CO 2  heat pump system to the field of heat supplies can be achieved, performance degradation caused by a high return water temperature to the transcritical CO 2  heat pump system is made up, and a unit is properly controlled to enter in and quit from defrosting; and the problems that the transcritical CO 2  heat pump system stops supplying heat within a relatively long defrosting time duration, and the average temperature of a circulating water system is fast reduced are solved.
Patent WO-2019128893-A1 (WO)
Title: 一种芯片及相关设备
Inventor: ZHENG QIAOSHI
IPC: H04L12/801
Filed: 2018-12-22
Abstract: 本发明实施例公开了一种芯片及相关设备，该芯片包括多个功能模块，以及环状网络，所述环状网络上包括多个节点，所述多个节点中包括第一节点和第二节点，所述第一节点和所述第二节点在所述环状网络中相邻；所述第一节点判断第一注入缓存值是否大于第一阈值以及第一注入带宽是否小于第一期望带宽；当所述第一注入缓存值大于所述第一阈值，且所述第一注入带宽小于所述第一期望带宽时，所述第一节点向所述第二节点发送第一请求，所述第一请求用于指示所述环状网络中除所述第一节点外的至少一个节点减少第一数据包的发送数量，所述第一数据包为从所述第一节点经过的数据包。采用本发明实施例可以根据系统的实际运行情况合理的分配网络带宽。
Patent WO-2019137534-A1 (WO)
Inventor: HUANG HUANG
IPC: H04L29/06
Filed: 2019-01-14
Abstract: 本申请公开了一种通信方法及装置。其中的方法包括：终端设备获取下行同步信号块同步信号块的索引信息；所述终端设备接收用于指示随机接入资源RO与同步信号块的关联关系的信息；根据所述信息，所述终端设备在所述同步信号块索引信息对应的RO上，接入网络设备。还公开了相应的装置。通过指示各个下行同步信号关联的随机接入资源的时频位置，使得终端设备通过下行同步即可获取上行发送随机接入信号的时间频率位置，从而避免终端设备的盲目尝试以及网络设备在接收随机接入信号时的波束不匹配，提高效率。
Patent WO-2020077906-A1 (WO)
Inventor: CHEN LING
IPC: B05B17/06
Filed: 2019-01-17
Abstract: 一种微射流可调的阵列式微量润滑超声振荡喷头（100），包括输入导管（10）、回收导管（20）以及具有微射流喷射组件（32）和回收组件（35）的冷却本体（30），冷却本体（30）包括封闭的微射流喷射腔（31），输入导管（10）设置于冷却本体（30）的顶部，且与微射流喷射腔（31）连通，回收导管（20）位于微射流喷射腔（31），且将回收组件（35）和外接真空机连接。该超声振荡喷头通过真空吸入并回收冷却流体雾，可以降低润滑液的消耗量，细化喷雾颗粒，降低喷雾粒径大小，提升雾化效果。还公开了一种包括该超声振荡喷头的切削设备。
Patent WO-2020150951-A1 (WO)
Inventor: WENG CHAO
IPC: H04N7/18
Filed: 2019-01-24
Abstract: The embodiments of the present invention provide a control terminal display method, device, and storage medium; by means of configuring a plurality of control terminals for a mobile platform, a control terminal can obtain at least two code stream data, said at least two code stream data are code stream data acquired by at least two image acquisition devices of the movable platform; furthermore, the control terminal may perform display processing according to the at least two code stream data, enabling a plurality of control terminals to display code stream data obtained by a mobile platform image acquisition device, improving the visual effect and user experience.
Patent WO-2020155145-A1 (WO)
Inventor: ZHOU ZIQIAO
IPC: C07C69/614
Filed: 2019-02-02
Abstract: 本申请公开了一种制备酮类有机物的方法，原料气通过载有酸性分子筛催化剂的反应器，反应，获得酮类有机物；所述原料气中包括反应原料；所述反应原料选自具有式I所示结构式的化合物中的至少一种；其中，R 1选自C 1～C 10烃基中的一种；R 2选自H、C 1～C 10烃基中的一种，在式Ⅰ中，羰基的邻位碳上包含有α-氢原子。本发明提供的制备酮类有机物的方法，和传统的单质型/负载型金属催化剂相比，具有反应活性高、原料易得及制备过程简单等优点，具有良好的工业应用前景。
Patent WO-2019161745-A1 (WO)
Title: Vertical vacuum cleaner
Inventor: NI BINGBING
IPC: A47L9/00
Filed: 2019-02-12
Abstract: Disclosed is a vertical vacuum cleaner, comprising: a machine body assembly (1), a handle assembly (2), a floor brush assembly (3), a separation device (4), a dust cup assembly (5), a suction device (6) and a water tank assembly (7), wherein the machine body assembly (1) has a distal end (112) and a proximal end (111) located at two ends of the length thereof, the handle assembly (2) is provided at the proximal end (111) for a user to hold, the floor brush assembly (3) is provided at the distal end (112) and has a suction inlet (31), the separation device (4) separates the dirt from a fluid being sucked from the suction device (6), the suction device (6) makes the suction inlet (31) suck the fluid and same is conveyed to the separation device (4) for separation, the dust cup assembly (5) collects the dirt separated from the separation device (4), and the water tank assembly (7) provides the fluid for the floor brush assembly (3).
Patent WO-2019184723-A1 (WO)
Inventor: ZONG ZAIFENG
IPC: H04L12/14
Filed: 2019-03-15
Abstract: 本申请实施例提供PCC规则获取方法、装置及系统，可以在SMF网元按照行政区域划分的情况下，使得SMF网元获取到该SMF网元对应的应用相关的PCC规则。方法包括：第一会话管理网元发送第一会话管理网元的服务区域信息，该第一会话管理网元的服务区域信息用于确定第一PCC规则，其中，该第一PCC规则包括该第一会话管理网元对应的应用相关的PCC规则；第一会话管理网元接收该第一PCC规则。
Patent WO-2020007068-A1 (WO)
Title: Optical imaging system
Inventor: GAO XUE
IPC: G02B13/00
Filed: 2019-03-21
Abstract: An optical imaging lens. The system comprises, from an object side to an image side along an optical axis, a first lens (E1), a second lens (E2), a third lens (E3), a fourth lens (E4), a fifth lens (E5), a sixth lens (E6), and a seventh lens (E7) in sequence.The first lens (E1) and the seventh lens (E7) both have negative optical power; the second lens (E2), the fourth lens (E4), and the fifth lens (E5) all have positive or negative optical power; the third lens (E3) and the sixth lens (E6) both have positive optical power; the object side surface (S1) of the first lens (E1) is a concave surface; the curvature radius R10 of the image side surface (S10) of the fifth lens (E5) and the curvature radius R12 of the image side surface (S12) of the sixth lens (E6) satisfy that 4＜R10/R12＜6.5.
Patent WO-2019184925-A1 (WO)
Title: Message sending method, network node and system
Inventor: GENG XUESONG
IPC: H04L45/121
Filed: 2019-03-27
Abstract: Disclosed by the present invention is a message sending method, node and system. A controller acquires a forwarding delay requirement of a service flow and a destination address of the service flow, determines a forwarding path that meets the forwarding delay requirement, the controller determines a first cycle time number for forwarding a message at an entry node and a second cycle time number for forwarding a message at an intermediate node, and respectively determines corresponding adjacent segment identifiers; The label stack generated by the controller comprises the adjacent segment identifiers corresponding to the entry node and the intermediate node; and the controller sends the label stack to the entry node to trigger the entry node to forward the message within the time corresponding to the first cycle time number, wherein the message belongs to the service flow. The controller determines a forwarding path according to the forwarding delay requirement of the service flow and generates a label stack corresponding to the forwarding time, so that the entry node and the intermediate node on the forwarding path can forward, according to the label stack, the message at a determined time, and thus the delay guarantee determined by the message forwarding can be realized.
Patent WO-2020206805-A1 (WO)
Inventor: HUANG SHENG
IPC: G09G3/34
Filed: 2019-05-15
Abstract: 一种显示面板，包括背光模组、第一分体（11）和第二分体（12）；背光模组包括控制模块、第一驱动模块（41）、第二驱动模块（42）以及发光二极管（50）；控制模块包括与第一驱动模块（41）连接的第一控制单元（31）和与第二驱动模块（42）连接的第二控制单元（32）；第一分体（11）中的发光二极管（50）与第一驱动模块（41）连接，第二分体（12）中的发光二极管（50）与第二驱动模块（42）电性连接。
Patent WO-2020177227-A1 (WO)
Inventor: LIN SHAOLIAN
IPC: E05B37/02
Filed: 2019-05-30
Abstract: Disclosed is a character wheel self-resetting structure, comprising a character wheel mandrel and a character wheel rotatably sleeved on the character wheel mandrel. The character wheel and the character wheel mandrel are coaxially arranged. A mandrel magnet with the magnetic pole direction along the radial direction of the character wheel mandrel is fixed on the character wheel mandrel. A first character wheel magnet is provided on the character wheel corresponding to the mandrel magnet. When the character wheel is located at the initial position, the mandrel magnet and the first character wheel magnet have opposite poles. The present invention is simple in structure, and the character wheel can automatically return to an initial position after rotating.