baber/WOPTO huggingface dataset:
Patent WO-2021013039-A1 (WO)
Inventor: DING YI
IPC: A24F40/46
Filed: 2020-07-16
Abstract: 一种气溶胶产生装置的加热组件，包括基体（100）和电热元件（200），基体（100）具有渗入面和气溶胶释放面；电热元件（200）包括发热电阻线路（210）和至少两个导电线路（220）；每个导电线路（220）均与发热电阻线路（210）的一端对应连接，用于连接电源，以使发热电阻线路（220）通电；电热元件（200）设置于气溶胶释放面，渗入面用于供气溶胶基质渗入，以将气溶胶基质引导到电热元件（200）上，发热电阻线路（210）在通电时发热，对气溶胶基质进行加热以形成气溶胶。通电时通过发热电阻线路（210）在气溶胶释放面发热，与螺旋结构的电热合金线相比，发热电阻线路（210）的发热温度分布均匀，解决了传统加热组件的加热温度分布不均匀的问题。
Patent WO-2021018307-A1 (WO)
Title: Multi-quantum well blue light detector, manufacturing method therefor and use thereof
Inventor: WANG WENLIANG
IPC: H01L31/18
Filed: 2020-07-31
Abstract: A multi-quantum well blue light detector, a manufacturing method therefor and use thereof. Said detector comprises a substrate (1), a buffer layer (2) and a GaN/InGaN multi-quantum well layer (3) which are arranged in sequence from bottom to top; the upper surface of the GaN/InGaN multi-quantum well layer (3) is connected to a metal layer electrode (4), the buffer layer (2) comprises an AlN layer, an AlGaN layer and a GaN layer arranged in sequence from bottom to top, the GaN/InGaN multi-quantum well layer (3) comprises GaN layers and InGaN layers which are alternately grown on the buffer layer (2) in sequence, the period of alternate growth is 6 to 8, the GaN layer has a thickness of 12 to 15 nm, and the InGaN layer has a thickness of 3 to 5 nm. By optimizing chip parameters of the detection device, the quantum efficiency of a blue light band is improved; a blue light sensitization enhancement micro-nano structure is designed on the surface of a detection chip, effectively reducing the reflection loss of the surface to blue light, enhancing resonance absorption of blue light, and realizing high-sensitivity and high-bandwidth detection.
Patent WO-2022027311-A1 (WO)
Inventor: HUANG QUFANG
IPC: H04L1/18
Filed: 2020-08-05
Abstract: 一种通信方法及装置，该方法包括：在第一接收窗口内，接收来自第二通信装置的第一周期的数据包，所述第一接收窗口是根据所述第一周期的数据包到达所述第二通信装置的第一时刻和有效时长确定的，所述有效时长为所述第一周期的数据包的有效时间；在所述第一接收窗口内，向应用层递交所述第一周期的数据包。采用本申请的方法及装置，仅向应用层递交按时到达的数据包，对于迟到的数据包不再向应用层递交，从而满足工业控制系统的要求。
Patent WO-2021208299-A1 (WO)
Title: Aqueous sodium-based mixed ion secondary battery
Inventor: DING BO
IPC: H01M10/36
Filed: 2020-08-05
Abstract: The present invention provides an aqueous sodium-based mixed ion secondary battery. A positive electrode active material of the battery is sodium manganate Na  x MnO  2  (X is equal to 0.2 to 1.0); a negative electrode active material of the battery is a metal oxide; an electrolyte is a sodium hydroxide solution dissolved with the saturated metal oxide; and a diaphragm is a composite diaphragm of non-woven fabric and hydrophilic PP; the positive electrode comprises a positive electrode active material (45 to 85 wt.%), a first conductive carbon material (10 to 45 wt.%) and a first binder material (5 to 10 wt.%); and the negative electrode comprises a negative electrode active material (73 to 92 wt.%), a second conductive carbon material (5 to 15 wt.%) and a second binder material (3 to 12 wt.%). The capacity retention ratio of the aqueous sodium-based mixed ion secondary battery is 92.6% after the aqueous sodium-based mixed ion secondary battery is cycled for 40 circles at the rate of 1C, and thus the aqueous sodium-based mixed ion secondary battery has good charge-discharge cycling stability.
Patent WO-2021068638-A1 (WO)
Title: Interactive intenstive learning method that combines tamer framework and facial expression feedback
Inventor: LI GUANGLIANG
IPC: G06N20/00
Filed: 2020-08-10
Abstract: An interactive intensive learning method that combines a TAMER framework and facial expression feedback, comprising: forming a Face Valuing-TAMER agent by combining a TAMER framework and facial expression evaluation; and the Face Valuing-TAMER agent expects a future reward from a learning value function in human feedback. A human trainer first trains an agent in a TAMER framework and provides a reward signal by means of keyboard key feedback, and the trained agent acquires an initial executable strategy and then allows the human trainer to provide a reward by means of facial expression feedback so as to adjust the behavior of the agent. Cognitive burden during a process in which a human user trains an agent may be reduced by means of the facial expression feedback-based interactive intensive learning method, so that the agent can better understand human preferences and effectively learn from human rewards.
Patent WO-2021037096-A1 (WO)
Title: Refrigerator provided with switchable hinge assembly
Inventor: LI KANG
IPC: E05D7/084
Filed: 2020-08-27
Abstract: A refrigerator provided with a switchable hinge assembly, the refrigerator comprising a box body (10), a door body (20) and a hinge assembly (30) connecting the box body and the door body (20). The hinge assembly (30) comprises a plurality of hinge pieces (31, 32) and a switching assembly (40). During the opening of the door body (20), the switching assembly (40) controls the plurality of hinge pieces (31, 32) to work successively in a first sequence. During the closing of the door body (20), the switching assembly (40) controls the plurality of hinge pieces (31, 32) to work successively in a second sequence, the first sequence being opposite to the second sequence. The described refrigerator provided with a switching hinge assembly improves the degree of freedom of the opening and closing of the door body (20), and may generate a variety of motion tracks to adapt to different application scenarios.
Patent WO-2021082691-A1 (WO)
Inventor: ZHOU XIA
IPC: G06T7/00
Filed: 2020-08-27
Abstract: 本申请适用于图像处理技术领域，提供了一种眼部OCT图像病灶区域的分割方法、装置及终端设备，包括：获取待分割的眼部OCT图像；对所述眼部OCT图像进行检测，确定所述眼部OCT图像中病灶区域的边界框；对所述边界框中的所述病灶区域进行边缘提取，得到所述病灶区域的分割结果。本申请提供了一种眼部OCT图像病灶区域的分割方案，实现对病灶区域的准确高效分割。
Patent WO-2022041103-A1 (WO)
Title: Three-dimensional nand memory device and method of forming thereof
Inventor: CHEN HE
IPC: H01L27/11582
Filed: 2020-08-28
Abstract: A semiconductor device is provided. The semiconductor device includes a base layer having a first side for forming memory cells and a second side that is opposite to the first side. The semiconductor device includes a stack of alternating word line layers and insulating layers that is positioned over the first side of the base layer, where the stack includes a first region and a second region. A channel structure extends through the first region of the stack in a vertical direction and further extends into the base layer from the first side. A plurality of connection structures are formed over the second side of the base layer and include a first connection structure that is coupled to the channel structure.
Patent WO-2022007153-A1 (WO)
Title: Tumor-targeting nanodrug simultaneously enclosing photosensitizer and protein, and use thereof
Inventor: ZHANG XIAOLONG
IPC: A61K47/02
Filed: 2020-08-31
Abstract: A tumor-targeting nanodrug simultaneously enclosing a photosensitizer and a protein and the use thereof in the preparation of anti-tumor drugs. The tumor-targeting nanodrug is prepared by means of using a metal organic framework to enclose a hydrophobic photosensitizer and a protein drug, and then modifying same with a modifier. The tumor-targeting nanodrug has the characteristics of active targeting of tumor cells and drug release in response to a tumor microenvironment, and the synergistic treatment of photodynamic therapy and protein therapy along with fluorescence imaging can be realized, thereby achieving good diagnosis and treatment effects.
Patent WO-2021169232-A1 (WO)
Inventor: NI YURONG
IPC: H01P1/20
Filed: 2020-09-04
Abstract: A filter. The surface of a filter body is provided with a first negative coupling hole, and the bottom wall of the first negative coupling hole is provided with a second negative coupling hole penetrating the filter body. Conductive layers cover the inner wall surfaces of the first negative coupling hole and the second negative coupling hole and the surface of the filter body, and the bottom wall of the first negative coupling hole is provided with a partition ring surrounding the opening part of the second negative coupling hole, so that the partition ring penetrates the conductive layer on the bottom wall of the first negative coupling hole; and the partition ring is filled with an insulating material, so that capacitive coupling of the filter with a negative coupling structure can be realized through the cooperation of the first negative coupling hole, the second negative coupling hole and the partition ring. During installation, the first negative coupling hole can play a role in protecting the partition ring, so as to prevent damage to the partition ring. A method for manufacturing the filter with the negative coupling structure. The method is simple, practical, has a high yield and is suitable for mass production.
Patent WO-2022036782-A1 (WO)
Inventor: CHEN MINHUA
IPC: A61K31/4155
Filed: 2020-09-14
Abstract: L'invention concerne une nouvelle forme cristalline d'un composé I antagoniste du récepteur des androgènes et son procédé de préparation, une composition pharmaceutique contenant la forme cristalline, et l'utilisation de la forme cristalline dans la préparation d'un médicament pour le traitement du cancer de la prostate. La nouvelle forme cristalline d'un antagoniste du récepteur des androgènes présente une ou plusieurs caractéristiques améliorées par rapport à l'état de la technique, et est d'une grande valeur pour l'optimisation et le développement de médicaments à l'avenir.
Patent WO-2021057857-A1 (WO)
Inventor: LI JINLONG
IPC: H05K1/02
Filed: 2020-09-24
Abstract: 本申请实施例涉及通信设备技术领域，公开了一种电路板，包括相邻设置的第一信号线、第二信号线，还包括接地平面、与所述接地平面相连的导电层，所述导电层设置在所述第一信号线和所述第二信号线之间。本申请的实施例还提供了一种通信设备。
Patent WO-2021129058-A1 (WO)
Title: 介入式锁结装置
Inventor: LI YANG
IPC: A61B17/04
Filed: 2020-10-14
Abstract: 一种介入式锁结装置（100），包括夹头（22）、推杆组件（40）、传动组件（60），以及外套组件（80）；推杆组件（40）包括设于夹头（22）外的推杆（42）；夹头（22）的轴向位置固定且自身具有弹性，初始状态时，夹头（22）内容纳穿设有缝合线的锁钉（300），夹头（22）靠近推杆（42）的部分自近端至远端逐渐向外倾斜；传动组件（60）包括螺纹传动件（62）及固定连接螺纹传动件（62）的柔性内管（64），螺纹传动件（62）转动连接推杆组件（40）；柔性内管（64）旋转以带动螺纹传动件（62）旋转，螺纹传动件（62）的旋转驱使推杆组件（40）沿轴向移动，以使得推杆（42）抵推夹头（22），以迫使夹头（22）压迫锁钉（300）变形而锁紧穿设于锁钉（300）内的缝合线；外套组件（80）包括套设于传动组件（60）及柔性内管（64）外的硬质的外管（84），外管（84）的管壁上沿轴向排列设置多个第一狭槽单元（840），以使得外管（84）兼具刚性和柔性。
Patent WO-2022077429-A1 (WO)
Title: Solvant cyclique dans la production de réaction de phosgénation et procédé d'élimination d'impuretés s'y rapportant
Inventor: WANG ZHENYOU
IPC: C07C263/10
Filed: 2020-10-16
Abstract: La présente invention relève du domaine technique de la séparation d'impuretés dans un procédé de réaction de phosgénation, et concerne plus particulièrement un solvant cyclique dans la production de réaction de phosgénation et un procédé d'élimination d'impuretés s'y rapportant. Le procédé d'élimination d'impuretés comprend : (1) La rectification d'un solvant brut ; (2) l'extraction d'un flux I de matériau en phase gazeuse à partir d'un sommet de tour, et la réalisation d'une séparation gaz-liquide après condensation, le flux II de matériau en phase liquide obtenu s'écoulant en retour vers le sommet de tour, et le flux II de matériau en phase gazeuse obtenu entrant dans un système de traitement de gaz résiduaire ; (3) la séparation du flux I de matériau en phase liquide extrait par une tour en un flux III de matériau en phase liquide à recycler à la tour et un flux IV de matériau en phase liquide à renvoyer à une cuve de réaction de solvant ; et (4) l'ajout d'un composé amine à la cuve de réaction de solvant pour réagir avec le flux IV de matériau en phase liquide, le matériau obtenu étant soumis à une séparation solide-liquide, et le produit liquide étant directement réutilisé en tant que solvant cyclique. Le procédé d'élimination d'impuretés selon la présente invention permet d'assurer que la quantité totale de substances consommant une amine dans un solvant cyclique est contrôlée de manière raisonnable, de réduire la génération d'un sous-produit solide dans une réaction de phosgénation, et de soulager le blocage de matières premières dans le transport et le stockage, ce qui permet de prolonger le temps de fonctionnement stable d'un dispositif, et d'améliorer la qualité du produit.
Patent WO-2021114951-A1 (WO)
Inventor: LI CHUNYANG
IPC: H05B6/64
Filed: 2020-10-30
Abstract: A control method for a heating device, and a heating device. The heating device comprises an electromagnetic wave generation module configured to generate an electromagnetic signal for heating an object to be heated. The control method comprises: determining or obtaining attribute information of the object to be processed, the attribute information comprising at least food groups, and each food group comprising at least one food variety; determining the operating power and/or operating time of the electromagnetic wave generation module according to the attribute information; and controlling the electromagnetic wave generation module to operate according to the operating power and/or operating time. According to the present invention, operating parameters of the electromagnetic wave generation module are determined according to the food group where the object to be processed is located, thereby reducing uneven heating and local overheating caused by the different contents of the internal substances of different food materials as compared with using fixed operating parameters.
Patent WO-2022082852-A1 (WO)
Inventor: SUN SHUYUAN
IPC: H04R1/28
Filed: 2020-11-02
Abstract: 本发明提供了电子设备及其扬声器模组。扬声器模组包括壳体、发声单元及低音管。壳体具有容纳腔，壳体设有第一出声孔及第二出声孔。发声单元设于容纳腔，并将容纳腔分隔为导声前腔及耦合后腔，导声前腔通过第一出声孔与电子设备的外部空间连通。低音管设于耦合后腔内，低音管通过第二出声孔与电子设备的内部空间连通。如此，可提高扬声器模组的低频灵敏度，进而提升整体音质。并且，还可减小发声单元工作在最大振幅下所需的工作电压，降低对功率放大器的性能需求，减小电子设备的功耗，增加电子设备的续航时间。此外，在共振频率处，能够抑制扬声器模组的振幅，使该频段不容易触发智能功放的振幅保护，更好地发挥声学器件的性能。
Patent WO-2021243970-A1 (WO)
Title: 一种复合催化剂及其制备方法
Inventor: WANG JIAHONG
IPC: B01J23/44
Filed: 2020-11-17
Abstract: 一种复合催化剂及其制备方法，包括：将二维黑磷纳米片分散于水中，并配制过渡金属盐的水溶液；将所制得的二维黑磷纳米片的悬浊液和过渡金属盐的水溶液进行混合；将加入醇类电子牺牲体后的混合液在光照以及保护气体氛围下，反应制得复合催化剂。通过该光沉积反应，由于过渡金属原子的沉积位置和数量受光生载流子的控制，使得作为活性组分的过渡金属粒子在作为载体的二维黑磷纳米片表面的分散度较高，从而能够提高催化剂的催化活性。
Patent WO-2021196649-A1 (WO)
Title: 一种射流式原位取土器
Inventor: ZHOU YANGUO
IPC: E21B49/00
Filed: 2020-11-18
Abstract: 一种射流式原位取土器，用于获取土样并保持其原位特性，其具备：切入机构，其能够沿纵轴线向下移动以切入土样中，并在垂直于纵轴线的第一半径上限定形成土样捕集室(S1)，进入土样捕集室(S1)的土样由凝胶溶液包覆外周面以保持其原位特性；以及，钻进机构，其沿纵轴线向下施力于切入机构，且其配置有绕纵轴线旋转的水刀组件(6)，该水刀组件(6)在大于第一半径的第二半径上沿圆周切割土样以减小切入机构的切入阻力。该取土器采用高压射流切割土壤，钻进清孔，在土样进入连接内筒前通过凝胶溶液包裹土样，极大地减小土样与连接内筒侧壁间的摩擦，极大地减小对土样的扰动，能够最大程度地保持土样的原位特性。
Patent WO-2022110026-A1 (WO)
Title: 马达驱动系统
Inventor: CHEN YU-LIANG
IPC: H02M7/48
Filed: 2020-11-27
Abstract: 本发明公开一种马达驱动系统，其具有智能化充放电机制的预充电电路。在充电方面，可通过延迟电路推迟低阻抗路径的导通时机，检测电路还可同时检测系统状态与电池电压，在非驱动模式以及电池电压持续降低时进行放电程序，且在放电程序中，还可利用马达驱动系统的驱动机制实现多种应用。
Patent WO-2021115305-A1 (WO)
Inventor: DENG YINHUI
IPC: H04B11/00
Filed: 2020-12-09
Abstract: The present invention relates to a method and system for processing received ultrasonic data, and a computer readable medium. The method comprises: obtaining received ultrasonic data, which is from a received ultrasonic signal, the received ultrasonic signal being received from a transmitted ultrasonic signal transmitted under the control of one or more control loops; associating the received ultrasonic data with the control loops, the control loops being used for analyzing the received ultrasonic data, wherein each control loop comprises one or more sub-loops, each sub-loop comprises a marker line and a main body, the marker line comprises a first field indicating the number of cycles of the main body and a second field indicating the number of lines of the main body, the main body comprises at least one receiving line and at least one ending line, each line comprises a third field indicating the control state at one or more moments and a fourth field indicating the number of cycles of the control state, the control state of the receiving line is a receiving state, and the control state of the ending line is a waiting state.
Patent WO-2021129516-A1 (WO)
Title: 网络设备
Inventor: ZHANG WEI
IPC: H04Q1/04
Filed: 2020-12-17
Abstract: 本申请提供了一种网络设备。网络设备包括底座、支架、功能器件、位置检测器及主控制器，支架转动连接至底座，功能器件承载于支架，功能器件随着支架的转动而旋转，位置检测器包括霍尔传感器、及磁性件，霍尔传感器及磁性件中的一个固定于底座，霍尔传感器及磁性件中的另一个固定于支架且随着支架的旋转而旋转，在垂直于所述支架旋转的旋转平面方向上所述霍尔传感器与所述磁性件之间的距离保持不变，霍尔传感器位于磁性件的磁场范围内，当霍尔传感器相对磁性件旋转时，霍尔传感器感测磁性件的磁场的变化而输出检测信号，主控制器根据检测信号判断出功能器件相对底座的位置。本申请依据霍尔传感器检测功能器件相对于底座的位置的检测精度较高。
Patent WO-2021129808-A1 (WO)
Title: 太阳能供电系统、太阳能供电系统的控制方法、控制装置、电子装置及计算机可读存储介质
Inventor: CAO JIE
IPC: G05F1/67
Filed: 2020-12-25
Abstract: 一种太阳能供电系统、太阳能供电系统的控制方法、控制装置、电子装置及计算机可读存储介质。太阳能供电系统包括光伏PV组件(102)以及直流母线(104)；PV组件(102)对应设置有PU装置(106)，PU装置(106)包括：PU输入端(1062)，设置为与PV组件(102)相连接；PU输出端(1064)，设置为与直流母线(104)相连接；直流斩波DC/DC单元(1066)，设置在PU输入端(1062)的负极与PU输出端(1064)的负极之间，DC/DC单元(1066)配置为在PU输入端(1062)与PU输出端(1064)之间实现变压。
Patent WO-2021136115-A1 (WO)
Title: Material cylinder connection chuck for mixer, and mixer
Inventor: HE QINGXUAN
IPC: F16B1/00
Filed: 2020-12-26
Abstract: A material cylinder connection chuck (1) for a mixer, and a mixer. The connection chuck (1) comprises a chuck body (101); the chuck body (101) is provided with first and second axial limit connectors; after the chuck body (101) rotates around an outlet pipe (401) of a material cylinder (4) by a preset angle, the first axial limit connector can be matched with a first axial limit matching member on the material cylinder (4), and the second axial limit connector can be matched with a second axial limit matching member on a mixer (3), so as to press-fit an inlet pipe (303) of the mixer (3) with the outlet pipe (401) of the material cylinder (4). By means of the structure above, after use, the chuck body (101) is reversely rotated to the initial position and the mixer (3) is replaced, and the chuck body (101) can be reused and does not need to be replaced, thereby saving materials and reducing the use cost of the mixer (3).
Patent WO-2022001066-A1 (WO)
Inventor: XU NINGNING
IPC: F01N11/00
Filed: 2020-12-30
Abstract: 一种汽油机颗粒捕集器压差管路除水系统,包括除水装置（18）、供电系统（17）及控制电脑（4）；除水装置（18）包括电动增压泵（3）、单向阀（5）、安全阀（6）、增压气体储气罐（7）和电磁阀（9）；供电系统（17）包括电池（1）和继电器（2）；电动增压泵（3）由电池（1）供电；控制电脑（4）与继电器（2）连接；继电器（2）通过供电线（15）与电动增压泵（3）连接；电动增压泵（3）通过气体管路（16）与增压气体储气罐（7）连接；气体管路（16）中设置有单向阀（5）；气体从电动增压泵（3）流向增压气体储气罐（7）；气体储气罐（7）通过气体管路（16）和电磁阀（9）连接；电磁阀（9）通过压差管路（10）与发动机（11）的排气管（13）连接；控制电脑（4）过控制线路（14）与电磁阀（9）连接；排气管（13）上设置有颗粒捕集器（19）。除水装置能及时准确清除压差管路中冷凝水，解决装有颗粒捕集器的车辆在使用过程中压差管路内部由于产生水而造成压差传感器无法正常工作的问题。还提供了一种汽油机颗粒捕集器压差管路除水系统的除水方法。
Patent WO-2021160053-A1 (WO)
Title: System and method for reducing content of 5-hydroxymethylfurfural in high-fructose corn syrup
Inventor: CHEN SHENGRONG
IPC: B01J47/04
Filed: 2021-02-07
Abstract: The present invention relates to a system for reducing the content of 5-hydroxymethylfurfural in high-fructose corn syrup, comprising a cation exchange column and an anion exchange column for sequentially removing cations and anions from F42 high-fructose corn syrup obtained by means of isomerization and first decolorization, a heat exchanger for performing heat exchange cooling on F55 high-fructose corn syrup which is obtained from the ion-exchanged F42 high-fructose corn syrup by means of successive concentration, chromatographic separation, blending and second decolouration, a mixed-bed column for purifying the heat-exchanged F55 high-fructose corn syrup and an evaporation tank for concentrating the F55 high-fructose corn syrup after the mixed-bed treatment. Also disclosed is a method for reducing the content of 5-hydroxymethylfurfural in high-fructose corn syrup. The present invention reduces the content of HMF in high-fructose corn syrup products and improves the properties of the high-fructose corn syrup products while ensuring the quality of the high-fructose corn syrup products by optimizing the operation mode and parameters of ion exchange and mixed beds.
Patent WO-2022134301-A1 (WO)
Inventor: ZHANG LITIAN
IPC: G05D1/08
Filed: 2021-02-24
Abstract: A control method for an unmanned aerial vehicle. The method comprises: acquiring attitude information of a handheld control device (S110); determining control information of an unmanned aerial vehicle according to the attitude information of the handheld control device (S120); and sending the control information of the unmanned aerial vehicle to a head-mounted device, such that the head-mounted device displays a sign at a display module of the head-mounted device according to the control information of the unmanned aerial vehicle, wherein the sign is used for indicating the flight direction of the unmanned aerial vehicle (S130). By means of the control method, the flight operation of an unmanned aerial vehicle is easier and safer. Further provided are a handheld control device, an unmanned aerial vehicle and a control system therefor, a head-mounted device and a storage medium.
Patent WO-2021185050-A1 (WO)
Title: Method for preparing optical substrate by means of multi-layer co-extrusion and optical substrate
Inventor: WANG JIANWEI
IPC: H01L27/15
Filed: 2021-02-26
Abstract: The present invention relates to the technical field of optical materials, and provides a method for preparing an optical substrate by means of multi-layer co-extrusion and an optical substrate. The method provided by the present invention comprises the following step: performing multi-layer co-extrusion molding of a light-emitting layer material and a protective layer material to obtain an optical substrate. In the present invention, an optical substrate is prepared by using multi-layer co-extrusion technology, one-step molding can be achieved, simple process steps are simple, mass production can be achieved, and production costs are low; further, in the present invention, color adjustment can be performed according to required light-emitting properties, and multiple light-emitting layers can be conveniently set without adding other steps; the optical substrate prepared in the present invention has a compact structure and good light-emitting performance, and in the present invention, a thermoplastic resin is used as the basic material of the light-emitting layers and protective layers, and the obtained optical substrate has stable performance.
Patent WO-2022001147-A1 (WO)
Title: Positioning method and electronic device
Inventor: WANG YUXING
IPC: H04W4/02
Filed: 2021-03-02
Abstract: Provided in the present application are a positioning method and an electronic device. The method is used to position one or more second electronic devices in the area surrounding a first electronic device by combining a broadcast signal sent by the first electronic device and an ultrasonic signal played back by a second electronic device, so as to determine the position of the second electronic device relative to the first electronic device. The positioning method comprises: a first electronic device sends a broadcast signal to the surrounding area; as the broadcast signal bears identifiers of at least two second electronic devices, the at least two second electronic devices that receive the broadcast signal play back the ultrasonic signal of a preset frequency by means of a speaker upon determining that a broadcast message comprises the identifiers of said second electronic devices. Both a first microphone and a second microphone of the first electronic device receive the ultrasonic signal and record ultrasonic information. The first electronic device determines the positions of the second electronic devices relative to the first electronic device according to the arrival times and phases of the ultrasonic signals that are recorded by the two microphones.