baber/WOPTO huggingface dataset:
Patent WO-2018233040-A1 (WO)
Title: Display panel drive method and display panel
Inventor: HU SHUIXIU
IPC: G09G3/36
Filed: 2017-08-31
Abstract: Disclosed is a display panel drive method, comprising: dividing a plurality of sub-pixels arranged in a matrix into a plurality of sub-pixel column groups, each sub-pixel column group comprising two adjacent columns of sub-pixels, a data line being arranged between the two adjacent columns of sub-pixels, and the two adjacent columns of sub-pixels both being electrically connected to the data line (S110); setting the polarity of sub-pixels adjacent in a row to be opposite (S120); performing first charging of a target sub-pixel during a first preset time period (S130); performing second charging of the target sub-pixel during a second preset time period, and simultaneously performing first charging of the next sub-pixel with the same polarity as the target sub-pixel and electrically connected to the same data line (S140).
Patent WO-2019051666-A1 (WO)
Title: Position detection device, anti-snoring pillow and anti-snoring mat having the device, and control method thereof
Inventor: GAO LANZHOU
IPC: A61B5/00
Filed: 2017-09-13
Abstract: Disclosed are a position detection device (100), a position detection method, an anti-snoring pillow and an anti-snoring mat (600) having the position detecting device (100), and a control method thereof, wherein same relate to the field of daily necessities. The position detection device (100) comprises: an air pump (110), a plurality of airbags (120) independent from each other and in communication with the air pump (110) via an air conduit (160), an air pressure sensor (130) provided on the air conduits (160) for detecting the air pressure value of each airbag (120), a control valve group (140) for controlling the connection and disconnection of the air conduit (160) between each airbag (120) and the air pump (110), and a controller (150). The controller (150) is connected to the airbags (120), the air pressure sensor (130) and the control valve group (140) for controlling the control valve group (140) and the air pump (110), such that each airbag (120) contains the same amount of air. A first comparison result is obtained by comparing the air pressure valves of the airbags (120) filled with air, a second comparison result is obtained by comparing the first comparison result with a pre-set threshold, and whether an airbag (120) is compressed and the position of the compressed airbag (120) are analyzed according to the second comparison result.
Patent WO-2019033495-A1 (WO)
Title: Battery conveying mechanism
Inventor: LEI TUCHENG
IPC: B65G43/08
Filed: 2017-09-18
Abstract: Disclosed is a battery conveying mechanism, comprising a first conveying mechanism (10), a second conveying mechanism (20), a first drive mechanism (31) and a push plate (32), wherein a first conveyor belt (11) is rotatably arranged around on a first belt pulley assembly carrier (12), and the first conveyor belt (11) is used for conveying a battery workpiece (40) to a battery processing station; a second conveyor belt (21) is rotatably arranged around a second belt pulley assembly carrier (22), and an output end of the second conveyor belt (21) and an input end of the first conveyor belt (11) are arranged in parallel; and the cell workpiece (40) on the output end of the second conveyor belt (21) can be pushed to the input end of the first conveyor belt (11) when the first drive mechanism (31) drives the push plate (32) to act. The battery conveying mechanism allows quick loading onto the first conveyor belt to be achieved, and same is highly automated and has the ability to improve the processing efficiency of a battery workpiece.
Patent WO-2019041397-A1 (WO)
Title: Display device image processing method, image processing structure and display device
Inventor: ZHAO WENQIN
IPC: G09G5/06
Filed: 2017-09-19
Abstract: The present application relates to a display device image processing method, an image processing structure and a display device. The method comprises: divide a display device image into a plurality of main pixel blocks and a plurality of subpixel blocks; adjusting white point coordinates of the display device image y means of a gamma module; obtain a high-voltage gray value lookup table and a low-voltage gray value lookup table respectively by means of a high-voltage gamma module and a low-voltage gamma module; select to output the high-voltage gray value lookup table or the low-voltage gray value lookup table by means of a first selection module according to the arrangement of the main pixel blocks and the subpixel blocks; calculate color saturation of the display device image by means of a color saturation calculation module; a second selection module adjusts a visual angle chromatic value in the display device according to the white point coordinates, the high-voltage gray value lookup table or the low-voltage gray value lookup table, and the color saturation.
Patent WO-2018072611-A1 (WO)
Title: 车钩组件及具有该车钩组件的轨道车辆
Inventor: ZHAO SHIZHONG
IPC: B61G7/12
Filed: 2017-09-29
Abstract: 一种车钩组件及具有该车钩组件的轨道车辆，该车钩组件设于轨道车辆的车头前端，包括车钩安装座（12）；车钩（11），固装于所述车钩安装座（12）；还包括：设于所述车钩安装座（12）两侧的支撑部件（21），其具有沿纵向倾斜的导向滑道（211），所述导向滑道（211）的前端高于后端；所述支撑部件（21）固设于所述车头；所述车钩安装座（12）的两侧固设有能够与对应侧的所述导向滑道（211）滑动配合的滑动部件（121）；并配置成：初始状态下，所述车钩安装座（12）与所述支撑部件（21）固接，所述滑动部件（121）位于所述导向滑道（211）的前端。该车钩组件的结构设计能够保证正常运行时车钩（11）的连挂功能，碰撞发生时车钩（11）后退吸能过程中既不能侵入牵引梁（22）上部破坏上部设备，也不能掉落到轨道上增大脱轨风险，从而能够提高轨道车辆碰撞的被动安全性。
Patent WO-2019019366-A1 (WO)
Title: Special impregnating agent for alumina continuous fiber twisted yarn and preparation method therefor
Inventor: JIAO XIULING
IPC: C04B41/81
Filed: 2017-09-29
Abstract: The present invention relates to a special impregnating agent for alumina continuous fiber twisted yarn and a preparation method therefor. The impregnating agent consists of the following components in percentage by weight: 3% to 6% of an aqueous epoxy emulsion, 0.2% to 0.6% of a lubricant, 0.1% to 0.2% of an antistatic agent, 0.3% to 0.8% of an organosilane coupling agent, 0.02% to 0.05% of a pH value regulator, and the balance of water. The surface of the fibers is modified with the impregnating agent of the present invention, and the impregnating agent is directly coated onto the surface of the fibers during the process of drawing in alumina continuous fiber production and is then dried. The alumina continuous fibers are endowed with excellent flexibility, bundling and lubricity; and the problems occurring during the ply twist process of alumina continuous fibers, such as fiber hairiness being produced, the fibers being difficult to bundle, etc., due to the fact that static electricity is produced owing to friction among fiber bundles, the fiber surface is not lubricated, and the fibers per se are poor in flexibility and prone to bending and breaking, are solved; and the mechanical properties of the alumina continuous fibers are prevented from being lost.
Patent WO-2019056459-A1 (WO)
Title: Liquid crystal display device
Inventor: HUANG BEIZHOU
IPC: G02F1/137
Filed: 2017-10-23
Abstract: Provided is a liquid crystal display device, comprising a first substrate (21), a first vertical alignment layer (22), a second substrate (23), a second vertical alignment layer (24), a liquid crystal layer (25), a plurality of first alignment control structures (26) and a plurality of second alignment control structures (27), wherein the first vertical alignment layer (22) is arranged on the first substrate (21); the second substrate (23) is arranged opposite the first substrate (21); the second vertical alignment layer (24) is arranged on the second substrate (23) and faces the first vertical alignment layer (22); the liquid crystal layer (25) has negative dielectric constant anisotropy, and is provided between the first vertical alignment layer (22) and the second vertical alignment layer (24); the first alignment control structures (26) are arranged on the first substrate (21) and are arranged facing the liquid crystal layer (25), and each of the first alignment control structures (26) comprises a plurality of first geometric units (262); the second alignment control structures (27) are arranged on the second substrate (23) and are arranged facing the liquid crystal layer (25), and each of the second alignment control structures (27) comprises a plurality of second geometric units (272); and the first geometric units (262) are different from the second geometric units (272).
Patent WO-2018095214-A1 (WO)
Title: 无人飞行器及其起落架装置
Inventor: LUO DONGDONG
IPC: B64C25/12
Filed: 2017-11-07
Abstract: 一种无人飞行器（10）及其起落架装置（2），所述起落架装置（2）包括：起落架本体（21）；以及安装于机身（1）的动力组件（22），所述动力组件（22）包括驱动装置（23）、传动单元（29）和连接单元（24）；所述传动单元（29）包括由所述驱动装置（23）驱动的传动杆件（292）；所述连接单元（24）的一端与所述起落架本体（21）固定连接，另一端与所述传动杆件（292）相连，当所述传动杆件（292）在所述驱动装置（23）的驱动下转动时，带动所述起落架本体（21）收起或放下。该无人飞行器（10）及其起落架装置（2），既有利于改善无人飞行器（10）的飞行性能，也增加无人飞行器（10）的功能空间，对于具有影像获取装置的无人飞行器（10），能避免起落架装置（2）遮挡该影像获取装置的拍摄视角，从而改善无人飞行器（10）的拍摄性能，并且在不使用无人飞行器（10）时，也更便于携带和收纳。
Patent WO-2019029031-A1 (WO)
Title: Additive manufacturing method for lead-free environmentally-friendly high-strength brass alloy
Inventor: YANG CHAO
IPC: B22F9/08
Filed: 2017-11-09
Abstract: An additive manufacturing method for a lead-free environmentally-friendly high-strength brass alloy, the method mainly comprising the five steps of gas atomization milling, model construction, molding chamber preparation, pre-powdering, and selective laser molding, and the lead-free environmentally-friendly high-strength brass alloy being prepared according the following mass percentages: Zn 5.5-40wt.% and Si 0.5-4wt.%, the total content of the trace elements Al and Ti being 0-0.5wt.%, while the remaining is Cu; the microstructure thereof comprises micron-sized cellular crystals and dendritic crystals. By means of the foregoing method, a nearly full-density high-strength brass alloy and a near net formed complex structural component thereof may be obtained; the formed high-strength brass alloy has a beautiful color and has the physical properties of having excellent electrical conductivity, thermal conductivity, corrosion resistance, being easy-cut, and the like, and may be widely applied in bathroom fixtures, hardware decoration, radiators, electronic communication, low-temperature piping, pressure equipment and like mechanical manufacturing fields.
Patent WO-2018121125-A1 (WO)
Title: 电路设计方法及装置、计算机可读存储介质
Inventor: CHEN TIANSHI
IPC: G06N3/063
Filed: 2017-11-20
Abstract: 一种用于非精确计算神经网络的电路设计方法、装置及计算机可读存储介质。所述电路设计方法包括：确定非精确乘法器的位宽选择范围；通过以电路中结点重要性排名为驱动的启发式随机算法，对所述位宽选择范围内的每一种备选位宽，生成多种可选的非精确乘法器；将神经网络中的每个精确乘法器独立地替换为所述多种可选的非精确乘法器中的一种的非精确乘法器，得到的所有可能方案组成一个解空间；以及在所述解空间内至少选择一部分方案，遍历每种方案下非精确神经网络的训练和测试效果，将得到的最优解作为用于非精确计算神经网络的电路。本方法在运算结果准确度受到的影响不大的情况下，极大地减少了面积和功耗，提升了运算速度。
Patent WO-2018205600-A1 (WO)
Title: Panneau d'affichage, son procédé de fabrication, et appareil d'affichage
Inventor: KRISTAL BORIS
IPC: H01L51/52
Filed: 2017-12-13
Abstract: L'invention concerne un panneau d'affichage qui inclut un substrat (201), une première électrode (202), une couche électroluminescente (203), une deuxième électrode (204), et une ou plusieurs couches de pellicules réfringentes (205, 206). La première électrode (202), la couche électroluminescente (203), et la deuxième électrode (204) sont disposées dans cet ordre sur le substrat (201). Le substrat (201), la première électrode (202), et la ou les couches de pellicules réfringentes (205, 206) sont conçus pour assurer un indice de réfraction à gradient en escalier le long d'une direction de transmission des lumières émises par la couche électroluminescente (203) et transmises à travers elle pour entraîner ainsi un couplage en sortie amélioré des lumières. La ou les couches de pellicules réfringentes (205, 206) peuvent éventuellement inclure une première couche de pellicule réfringente (206) disposée sur une surface du substrat (201) à proximité de la première électrode (202), et peuvent éventuellement inclure une deuxième couche de pellicule réfringente (205) disposée sur une surface du substrat (201) distale par rapport à la première électrode (202).
Patent WO-2019061867-A1 (WO)
Title: Determination of similarity between user and merchant
Inventor: LIU HAIWEN
IPC: G06Q30/06
Filed: 2017-12-18
Abstract: The present application provides a method and an apparatus for determining similarity between a user and a merchant, and an electronic device. According to one embodiment, said method comprises: on the basis of a first historical order of a user, determining a first amount of money distribution of the user; on the basis of a second historical order of a merchant, determining a second amount of money distribution of the merchant; and on the basis of the first amount of money distribution and the second amount of money distribution, determining similarity between the user and the merchant.
Patent WO-2018121444-A1 (WO)
Inventor: WANG QIANG
IPC: G01N5/00
Filed: 2017-12-22
Abstract: L'invention concerne un procédé et un dispositif de détection de liquide et un système d'inspection de sécurité, qui se rapportent au domaine de l'inspection de sécurité. Le procédé de détection de liquide consiste à : acquérir, par un détecteur de rayons X à double énergie, des données de détection d'un liquide à détecter ; déterminer un coefficient de décomposition du matériau de base du liquide à détecter sur la base d'informations sur le matériau de base prédéfinies et de données de détection du liquide à détecter ; et déterminer un nombre atomique valide et une densité caractéristique du liquide à détecter sur la base du coefficient de décomposition du matériau de base du liquide à détecter. Au moyen du procédé, un coefficient de décomposition du matériau de base d'un liquide à détecter peut être obtenu sur la base d'informations sur le matériau de base prédéfinies et à l'aide de données de détection de rayons obtenues par un détecteur à double énergie, et un nombre atomique valide et une densité caractéristique du liquide à détecter peuvent être obtenus sur la base du coefficient de décomposition du matériau de base, ce qui permet l'identification du liquide. En raison de l'efficacité élevée et de la grande plage de détection de la détection de rayons X à double énergie, l'identification de liquides dans de multiples contenants peut être obtenue en même temps, ce qui raccourcit ainsi le temps de détection et améliore l'efficacité de détection de sécurité pour des liquides.
Patent WO-2019127026-A1 (WO)
Title: 柔性电子设备及其形变控制方法、以及存储介质
Inventor: WANG JINZHOU
IPC: G06F3/00
Filed: 2017-12-26
Abstract: 一种柔性电子设备（100）及其形变控制方法。所述柔性电子设备（100）上设置有压力传感器（71）以及光线传感器（73）。所述方法包括：在接收到第一形变指令时，检测所述柔性电子设备（100）的状态（101）；在所述柔性电子设备（100）处于直板状态时，获取所述压力传感器（71）感测到的第一压力值（103）；在所述第一压力值大于第一压力阈值时，产生弯曲驱动指令，以驱动所述柔性电子设备（100）弯曲（105）；在所述柔性电子设备（100）的弯曲过程中，获取所述光线传感器（73）感测到的光强度值（107）；在所述光强度值小于预设强度阈值时，产生停止弯曲指令，以控制所述柔性电子设备（100）停止进一步的弯曲，并保持当前的弯曲状态（110）。所述形变控制方法能够根据用户的需要，自动控制柔性电子设备（100）变形，使用户具有较佳的使用体验效果。
Patent WO-2019127475-A1 (WO)
Inventor: BIAN RUIFENG
IPC: G06F9/445
Filed: 2017-12-29
Abstract: La présente invention se rapporte au domaine technique des machines virtuelles et plus particulièrement à un procédé et à un appareil destinés à la mise en œuvre d'une carte SIM virtuelle, d'un support d'informations et d'un dispositif électronique. Le procédé peut consister : à recevoir une demande d'accès d'une machine virtuelle destinée à un démon d'interface sans fil virtuel; à transférer la demande d'accès à un simulateur par le démon d'interface sans fil virtuel au moyen d'un pipeline de communication; et à appeler une carte SIM cible dans un hôte au moyen du simulateur pour traiter la demande d'accès. Selon la présente invention, une machine virtuelle peut directement accéder à une carte SIM cible et un hôte et la machine virtuelle sont bien isolés sur le matériel.
Patent WO-2018214528-A1 (WO)
Inventor: BAO LEI
IPC: A63B71/06
Filed: 2018-01-12
Abstract: 本发明适用于运动监测领域，提供了一种运动效果的展示方法及装置，该方法包括：对用户的运动过程进行视频录制，得到视频数据，并在录制所述视频数据时，同步采集用户在运动过程中产生的肌电数据，以获取各帧视频图像对应的肌电数据；根据视频数据中各视频图像帧对应的肌电数据，生成视频数据对应的运动效果动画；在终端界面中对所述视频数据以及所述运动效果动画进行异步回放。本发明保证了用户能够科学、有效地对自己的动作进行改进，提高了用户锻炼的有效性；并且，用户在观测到某一路数据时，能够从后续自动回放的另一路数据中查看训练动作与运动效果的对应关系，而无需用户重新执行视频回放操作，因而降低了操作繁琐度。
Patent WO-2019136725-A1 (WO)
Inventor: TANG HAI
IPC: H04W56/00
Filed: 2018-01-12
Abstract: 提供了一种确定同步信号块的频域位置的方法、终端设备和网络设备。该方法包括：终端设备接收网络设备发送的第一信息，该第一信息用于该终端设备确定第二同步信号块所属的第二同步栅格在频域上相对当前同步信号块所属的第一同步栅格的偏移量，其中，该偏移量大于或等于同步信号块的带宽；该终端设备基于该第二同步栅格，确定该第二同步信号块的频域位置。本申请实施例中，通过规定该第二同步栅格相对该第一同步栅格之间的偏移量，能够有效提高终端设备确定的同步信息块的频域位置的准确度。
Patent WO-2018137667-A1 (WO)
Title: 传输数据的方法和装置以及传输信息的方法和装置
Inventor: XU XIUQIANG
IPC: H04L1/00
Filed: 2018-01-24
Abstract: 本申请提供了一种传输数据的方法和装置以及一种传输信息的方法和装置。该传输数据的方法包括获取用于传输第一数据的时频资源，其中，该时频资源中有部分资源或者全部资源也被用于传输第二数据；获取传输该第二数据所使用的传输参数；根据该传输参数，确定用于对该第一数据进行编码的待编码数据块的大小；根据该待编码数据块的大小，对该第一数据进行编码；将编码得到的数据块映射到该时频资源上。本申请提供的传输数据的方法和装置以及传输信息的方法和装置，能够降低在复用相同时频资源进行数据传输的情况下一种数据对另一种数据所产生的干扰。
Patent WO-2019011001-A1 (WO)
Title: Remote control device and calibration method for potentiometer rocker thereof
Inventor: CHENG CHANGNAN
IPC: G06F3/0481
Filed: 2018-03-21
Abstract: The invention relates to a remote control device and a calibration method for a potentiometer rocker thereof. The method comprises: obtaining a calibration value of a target calibration position of a target channel, said value being stored in the remote control device; determining whether the calibration value is normal, and when it is determined that the calibration value is normal, performing a default calibration process of the remote control device; and when it is determined that the calibration value is abnormal, performing an initial calibration process. By using the above calibration method, an initial calibration process is added for the calibration of the remote control device while retaining the original default calibration process. By setting and storing a new preset calibration value, it is possible to solve the problem that the original default calibration process cannot be completed due to wear or replacement of the potentiometer rocker, ensuring that the potentiometer rocker can be used normally.
Patent WO-2019136851-A1 (WO)
Title: Method for calculating similarity between live broadcast rooms, storage medium, device, and system
Inventor: WANG LU
IPC: H04N21/25
Filed: 2018-03-30
Abstract: The present application relates to the field of big data recommendation, and provides a method for calculating the similarity between live broadcast rooms, a storage medium, a device, and a system. The method comprises the following steps: dividing all live broadcast rooms into a popular live broadcast room and a non-popular live broadcast room within a time period; determining whether a user's viewing behavior is an effective viewing behavior, and determining the number of live broadcast rooms that each user effectively views; arbitrarily selecting a first live broadcast room and a second live broadcast room, and collecting statistics about a first set of users that effectively view the first live broadcast room and a second set of users that effectively view the second live broadcast room; determining a third set of users that effectively view both the first live broadcast room and the second live broadcast room, and obtaining an interval between the time when each user in the third set of users views the first live broadcast room for the last time and the time when the user views the second live broadcast room for the last time; and calculating the similarity between the first live broadcast room and the second live broadcast room. The present application can effectively reduce the negative impact of popular live broadcast rooms in calculation, and makes similarity measurement more comprehensive.
Patent WO-2019148651-A1 (WO)
Inventor: YOU LIXING
IPC: G01J11/00
Filed: 2018-04-10
Abstract: L'invention concerne un procédé et un système d'amélioration d'un taux de comptage d'un détecteur monophotonique unique à nanofil supraconducteur. Le procédé comprend : la connexion d'un atténuateur électrique en série à une extrémité de sortie d'un détecteur monophotonique à nanofil supraconducteur, l'atténuateur électrique comprenant une extrémité d'entrée et une extrémité de sortie, et l'extrémité d'entrée de l'atténuateur électrique étant connectée à l'extrémité de sortie du détecteur monophotonique à nanofil supraconducteur. Dans l'invention, un atténuateur électrique est connecté en série à une extrémité de sortie d'un détecteur monophotonique à nanofil supraconducteur, l'atténuateur électrique est conçu pour être un réseau de résistance, c'est-à-dire que l'atténuateur électrique joue le rôle de résistance série, réduit l'amplitude d'impulsion de réponse du détecteur monophotonique à nanofil supraconducteur, affaiblit le couplage entre le détecteur monophotonique à nanofil supraconducteur et un amplificateur, et réduit l'effet de dépassement, de réflexion et de décalage de tension sur le détecteur monophotonique à nanofil supraconducteur, ce qui permet d'améliorer le taux de comptage et l'efficacité de détection du détecteur monophotonique à nanofil supraconducteur.
Patent WO-2018205844-A1 (WO)
Title: 视频监控装置、监控服务器及系统
Inventor: CHEN BEIXIN
IPC: H04N7/18
Filed: 2018-04-26
Abstract: 本申请是关于一种视频监控装置、监控服务器及系统，属于电子技术应用领域。所述视频监控装置包括摄像头和无线接收器，所述无线接收器包括定向天线；所述装置包括：至少一个处理器；和存储器；所述存储器存储有至少一个程序，所述至少一个程序被配置成由所述至少一个处理器执行，所述至少一个程序包含用于进行以下操作的指令：获取所述摄像头采集的监控画面；获取所述无线接收器采集的电子标签的标签信息，所述标签信息包括：所述电子标签的身份标识ID；将对应于同一时刻的所述标签信息以及所述监控画面叠加，以生成融合监控画面。本申请解决了监控画面可靠性低的问题。本申请用于进行视频监控。
Patent WO-2019192066-A1 (WO)
Title: Device for cleaning laminating steel roller of wet lamination machine
Inventor: HUA JIN NIAN
IPC: B32B37/10
Filed: 2018-05-30
Abstract: A device for cleaning a laminating steel roller of a wet lamination machine. The device comprises a housing (1). A pressing roller (2) and a laminating steel roller (3) are provided in the housing (1). Two supporting legs (9) are provided at the bottom inside the housing (1). Upper ends of the two support legs (9) are both connected to a straight guide rail. The straight guide rail comprises a guide rail (10) and a slider (14) sleeved on the guide rail. A curved ring (17) is fixedly connected to an upper side wall of the slider (14). A rotary plate (15) is sleeved on the slider (14). The rotary plate (15) is rotatably connected to the slider (14). The slider (14) and a spring (18) are sleeved on the curved ring (17). An upper end of the rotary plate (15) is provided with an insertion slot, and a scraper (16) is inserted in the insertion slot. The scraper (16) scrapes an adhesive on the laminating steel roller (3) so as to maintain the quality of a lamination material formed by a lamination machine. The rotary plate (16) can be rotated to be adapted to laminating steel rollers (3) of a variety of diameters, and a heating rod (13) facilitates removal of a solidified adhesive. The utility model has a simple structure and is practical and easy to use.
Patent WO-2019227435-A1 (WO)
Title: Circuit board and mobile terminal
Inventor: SHI HONGBIN
IPC: H01L23/48
Filed: 2018-05-31
Abstract: A circuit board and a mobile terminal. Said circuit board comprises a support member and a first member stacked with the support member. The support member has a first step structure facing the first member, the first step structure having a first step surface and a second step surface, the first step surface being connected to the first member by means of first solder balls, the second step surface being connected to the first member by means of second solder balls, and the height of the first solder balls being greater than the height of the second solder balls. In the present application, a gap between the support member and the first member is locally increased by providing step surfaces on the support member; when the support member is connected to the first member, solder balls are respectively provided on the two step surfaces and are connected to the first member, such that the height of a part of solder balls can be increased; and the falling and temperature cycling stress of solder spots between the support member and the first member are reduced by means of increasing the height of the solder balls, improving the mechanical and environmental reliability of the whole circuit board, thereby improving the safety of the circuit board during use.