baber/WOPTO huggingface dataset:
Patent WO-2021056262-A1 (WO)
Title: High-sensitivity unwinding apparatus for use in cable production for new energy vehicles
Inventor: MEI CHUNFENG
IPC: H01B13/00
Filed: 2019-09-25
Abstract: A high-sensitivity unwinding apparatus for use in cable production for new energy vehicles, comprising a support plate (1), a mounting plate (2) being fixedly connected to the top part of the support plate (1), a motor (3) being fixedly mounted on the front surface of the mounting plate (2), a connecting block (4) being fixedly connected to an output end of the motor (3), an accommodating groove (5) being disposed on two sides inside the connecting block (4), a bearing (6) passing through two sides of the two part of the connecting block (4), the bottom part of the bearing (6) extending inside the accommodating groove (5), a threaded sleeve (7) being fixedly connected to the inner surface of the bearing (6), a threaded rod (8) being connected in a threaded manner inside the threaded sleeve (7), and the top part of the threaded rod (8) passing through the threaded sleeve (7) and extending outside the threaded sleeve (7). By means of the cooperation of the bearing (6), the threaded sleeve (7), the threaded rod (8), a mounting block (9), a protruding block (10), a moving block (11), a sliding block (12), a first sliding groove (13), a first spring (14), a clamping rod (15), a clamping block (18), a clamping groove (19), a limiting rod (21), a second spring (23), and a limiting groove (24), the existing mounting structure is modified, the speed of replacing the unwinding ring is quick, the production efficiency of the cable is increased, and use is convenient.
Patent WO-2020168715-A1 (WO)
Title: Gas distribution pipe assembly and gas stove
Inventor: LIU SHUXING
IPC: F24C15/00
Filed: 2019-09-26
Abstract: A gas distribution pipe assembly and a gas stove. The gas stove comprises the gas distribution pipe assembly. The gas distribution pipe assembly comprises: a gas distribution pipe (2), a bell mouth (3) being formed on at least one end of the gas distribution pipe; a connected member, the end portion of the connected end of the connected member having an arc surface, screw threads being formed on the outer side surface of the connected member close to the end portion, and the connected end being adapted to extend into the bell mouth (3); and a nut (5), sleeved on the gas distribution pipe (2), the nut (5) being adapted to be screwed on the screw threads to connect the gas distribution pipe (2) to the connected member. When the gas distribution pipe (2) is connected to the connected member, and when the coaxiality error is not large, no gap or tilt is formed between the end portion of the connected end of the connected member and the bell mouth (3); when the nut (5) is locked, the bell mouth (3) deforms under the compression of the nut (5) so as to attach to the arc surface of the connected member, thereby ensuring the airtight connection between the gas distribution pipe (2) and the connected member, the gas leakage not easily occurring.
Patent WO-2020069659-A1 (WO)
Title: User equipment and method for transmitting synchronization signal block of same
Inventor: LIN HUEI-MING
IPC: H04J11/00
Filed: 2019-09-27
Abstract: A user equipment and a method for transmitting a synchronization signal block (SSB) of the same are provided. The method includes transmitting a resource set associated with an SSB within a subframe or slot, and the SSB includes a sidelink primary synchronization signal (S-PSS), a sidelink secondary synchronization signal (S-SSS), and 0 to 1 physical sidelink broadcast channel (PSBCH) between the S-PSS and S-SSS.
Patent WO-2020258557-A1 (WO)
Inventor: ZHOU HAO
IPC: F16F15/04
Filed: 2019-09-28
Abstract: Disclosed is a damping device for an electromechanical apparatus (15), wherein same belongs to the technical filed of damping devices for electromechanical apparatuses (15), and aims to solve the problems that an existing damping device for an electromechanical apparatus (15) has a poor noise reduction performance and that an electromechanical apparatus (15) is prone to inclining during use. Both sides of a base (4) are provided with fixing blocks (2), the lower portions of the fixing blocks (2) are provided with support feet (1), and a sponge filling material (3) is arranged between the support feet (1) and the fixing blocks (2); both sides of the upper portion of the base (4) are provided with sliding grooves (9), sliding blocks (5) are arranged above the sliding grooves (9), and a connecting block (6) is arranged above the sliding blocks (5); both sides of an inner wall of the base (4) are provided with rotating mechanisms (8), second movable rods (13) are arranged between the connecting block (6) and the rotating mechanisms (8), and rotating shafts (10) are arranged inside the rotating mechanisms (8); an electromechanical apparatus (15) is arranged above a placing recess (19); and the upper portion of the connecting block (6) and the lower portion of a fixing plate (7) are both provided with mounting bases (16), stabilization bases (22) are arranged below pressing connection plates (21), and third springs (20) are arranged between the pressing connection plates (21) and the stabilization bases (22).
Patent WO-2020143258-A1 (WO)
Inventor: REN MIN
IPC: A47L9/06
Filed: 2019-10-12
Abstract: L'invention concerne une buse d'aspiration et un aspirateur. La buse d'aspiration comprend un corps principal (10) doté d'un canal d'aspiration, et une pluralité de lames disposées sur une extrémité avant du corps principal (10) ; chaque lame se trouve dans un état de fonctionnement permettant de nettoyer une surface à nettoyer et un état rétracté empêchant de nettoyer la surface à nettoyer ; lorsqu'une lame se trouve dans un état de fonctionnement, chacune des lames restantes se trouve dans un état rétracté, et la pluralité de lames a une rigidité différente de façon à nettoyer différentes surfaces à nettoyer. La pluralité de lames ayant une rigidité différente est ajoutée sur le corps principal afin de pouvoir nettoyer la saleté tenace qui adhère à la surface à nettoyer.
Patent WO-2020140547-A1 (WO)
Inventor: LIU MAO
IPC: H01Q1/38
Filed: 2019-10-12
Abstract: Provided by the present utility model is a filter antenna, which comprises a circuit substrate layer, an antenna ground layer attached to the bottom surface of the circuit substrate layer, a first antenna layer embedded within the circuit substrate layer, and a second antenna layer attached to the top surface of the circuit substrate layer; the antenna ground layer is provided with a microstrip line; the second antenna layer and the first antenna layer are spaced apart and form a coupling, and the first antenna layer feeds by means of the microstrip line. Compared to related technology, the filter antenna of the present utility model has a thin structure, a filtering function, and good reliability, and may meet requirements for an indoor 5G communication base station.
Patent WO-2021081943-A1 (WO)
Inventor: TSAI CHUNGHSUAN
IPC: H01L23/488
Filed: 2019-10-31
Abstract: A chip stack packaging structure and a packaging method thereof, and an electronic device, related to the technical field of electronics, and used to solve the problem of partial delamination in large-dimension packaging structures. A chip stack packaging structure (100) comprises: a redistribution layer (10); multiple bare chips (20) disposed at intervals, there being a first gap (N1) between adjacent bare chips (20); a solder assembly (30) positioned between the redistribution layer (10) and the bare chips (20), used to support the bare chips (20) and implementing an electrical connection between the bare chips (20) and the redistribution layer (10); a separation wall (85) disposed at a side of the redistribution layer (10) facing the bare chips (20), and at a position corresponding to the first gap (N1); a first underfill layer (40), filling in an area enclosed by the redistribution layer (10), the bare chips (20) and the separation wall (85), and packaging the solder assembly (30); a plastic sealing layer (50) covering the bare chips (20) and filling in the first gap (N1).
Patent WO-2020125247-A1 (WO)
Title: Procédé de commande d'impression, système et armoire de stockage
Inventor: CHEN YINGGUI
IPC: G07F17/26
Filed: 2019-11-06
Abstract: La présente invention concerne un procédé de commande d'impression, un système et une armoire de stockage. Le procédé de commande d'impression comprend les étapes suivantes : S110 : un dispositif de formation d'image (200) reçoit une tâche à imprimer et délivre en sortie un article imprimé correspondant à la tâche à imprimer ; S120 : une unité de commande (110) de l'armoire de stockage (100) ouvre un compartiment (120) de l'armoire de stockage (100) de façon à amener l'article imprimé à être placé dans le compartiment (120). Ainsi, au moyen de la combinaison de ressources de dispositif de formation d'image (200) et de ressources d'armoire de stockage (100), un utilisateur peut imprimer une tâche à imprimer au moyen du dispositif de formation d'image (200) et le retrait ultérieur de l'article imprimé délivré par le dispositif de formation d'image (200) depuis le compartiment (120) de l'armoire de stockage (100) par l'utilisateur est facilité. La commodité peut ainsi être fournie pour l'utilisateur, ce qui améliore son expérience.
Patent WO-2020098543-A1 (WO)
Inventor: MAO ZHENDONG
IPC: H01L29/06
Filed: 2019-11-06
Abstract: 一种半导体功率器件及其制造方法，该半导体功率器件包括第一导电类型的漏区（21）；位于所述漏区（21）之上的第二导电类型的外延层（22）；位于所述外延层（22）内的交替排列的栅沟槽和第二导电类型的体区（27）；位于所述体区（27）中的第一导电类型的源区（28）；位于所述栅沟槽的上部的第一栅极（24）；至少位于所述栅沟槽的下部的第二栅极（26）；所述第一栅极（24）、所述第二栅极（26）与所述外延层（22）之间由绝缘介质层（23）隔离；位于所述外延层（22）内的第一导电类型的掺杂区（25），所述掺杂区（25）围绕所述栅沟槽的下部且与所述漏区（21）连接。
Patent WO-2021012477-A1 (WO)
Inventor: ZENG LINWANG
IPC: A61B34/30
Filed: 2019-11-07
Abstract: A single aperture manual direct-drive surgical robotic system, comprising a fixing platform (2) and at least one surgical mechanical arm (1) installed on the fixing platform (2); the surgical mechanical arm (1) comprises an actuating arm (11) and a manipulating arm (12); the actuating arm (11) comprises n actuating joints (A); the manipulating arm (12) comprises n manipulating joints (B); the various manipulating joints (B) of the manipulating arm (12) and the various actuating joints (A) of the actuating arm (11) are arranged in a one-to-one correspondence and perform transmission coordination by means of gear transmission, in order to achieve movement control of the actuating arm (11) by the manipulating arm (12). During use, the user can manually manipulate the manipulating arm (12) so that the manipulating arm (12) synchronously drives the actuating arm (11) to perform corresponding actions, realizing manual direct-imitation manipulations and maintaining low costs.
Patent WO-2021088064-A1 (WO)
Inventor: ZHANG ZHI
IPC: H04W72/04
Filed: 2019-11-08
Abstract: Disclosed in embodiments of the present application are an information transmission method and apparatus, a terminal, a network device, and a storage medium. The method comprises: a terminal receives first information sent by a network device by means of downlink control information (DCI); the terminal determines, by using the first information, a time during which a channel can be occupied from a first moment.
Patent WO-2021042552-A1 (WO)
Title: Regional three-dimensional reconstruction method and apparatus, and computer readable storage medium
Inventor: WANG JIANZONG
IPC: G06T17/05
Filed: 2019-11-13
Abstract: An artificial intelligence technology. Disclosed is a regional three-dimensional reconstruction method, comprising: obtaining a route specified by a user, inputting the route to an aerial photography device, and controlling the aerial photography device to capture images of a region on the route to obtain an original region image set (S1); performing preprocessing comprising edge trimming, color consistency, and distortion correction on the original region image set to obtain a primary region image set (S2); and performing triangulation on the primary region image set to obtain coordinate positions, the coordinate positions comprising control point coordinates, ground coordinates, and encrypted point coordinates, performing three-dimensional reconstruction on the basis of the coordinate positions and the primary region image set, and outputting a regional three-dimensional reconstruction image (S4). Also provided are a regional three-dimensional reconstruction apparatus and a computer readable storage medium. A regional three-dimensional reconstruction function can be implemented accurately and efficiently.
Patent WO-2020098704-A1 (WO)
Inventor: HUO YUNFEI
IPC: A61B5/026
Filed: 2019-11-13
Abstract: A method, apparatus and system for acquiring a vascular assessment parameter on the basis of an angiographic image. The method for acquiring a vascular assessment parameter on the basis of an angiographic image comprises: acquiring a real-time pressure Pa at an entrance of a coronary artery in an imaging state to obtain a pressure waveform in the time domain Pa-t (S100); building a three-dimensional model for a vessel segment of interest in a two-dimensional angiographic image of the coronary artery in the imaging state to obtain a three-dimensional vascular mesh model (S200); acquiring a real-time blood flow velocity v of the three-dimensional vascular mesh model to obtain a velocity waveform in the time domain v-t (S300); acquiring a pressure-drop waveform in the time domain ΔP-t from the entrance of the coronary artery to a distal end of the coronary stenosis by means of Fourier transform and Fourier inversion; acquiring a vascular assessment parameter of the coronary artery in the imaging state. The method and apparatus enable measurement of a vascular assessment parameter of a coronary artery during diastole, and improve the accuracy thereof by means of filtering interference data by using Fourier transform.
Patent WO-2020140643-A1 (WO)
Title: 一种电池包及车辆
Inventor: YOU KAIJIE
IPC: H01M50/342
Filed: 2019-11-22
Abstract: 本发明涉及一种电池包及车辆。所述电池包包括第一电池模块、第二电池模块、箱体以及防火构件，第一电池模块包括多个电池单体，电池单体设有防爆阀；第二电池模块包括多个电池单体，电池单体设有防爆阀；第一电池模块和第二电池模块均设置在箱体内；防火构件竖直设置，第一电池模块的防爆阀和第二电池模块的防爆阀均面向防火构件，防火构件位于第一电池模块的防爆阀和第二电池模块的防爆阀之间。区别于现有技术，上述技术方案通过防火构件将第一电池模块的电池单体与第二电池模块的电池单体隔开，避免电池单体集体热失控；同时，使防火构件的体积、面积减少一半，降低成本，提高能量密度。
Patent WO-2020233102-A1 (WO)
Title: 一种治疗肿瘤或癌症的药物组合物和其应用
Inventor: QIN XIAOFENG
IPC: A61K31/122
Filed: 2019-12-06
Abstract: 提供了一种治疗肿瘤或癌症的药物组合物及其应用，所述药物组合物包含经由直接局部注射或全身施用或瘤内递送的溶瘤弹状病毒和CD38小分子抑制剂如大黄酸等。溶瘤弹状病毒具有识别肿瘤细胞的特性，对正常的细胞不会造成损伤，同时CD38小分子抑制剂具备特异性抑制T细胞受体分子活性，两者的联合使用在安全性和疗效性上具有显著的优势。
Patent WO-2020125564-A1 (WO)
Inventor: HE TANMING
IPC: A61M37/00
Filed: 2019-12-15
Abstract: A beauty microneedle transmission assembly, comprising a transmission rod (3). A needle rod (2) is provided on an upper end of the transmission rod (3). A lever (4) is provided on one end of the transmission rod (3) distant from the needle rod (2), and is sleeved in a cavity holder (7) to be rotatably connected to a drive device (10). A sliding block (5) is provided on one end of the lever (4) distant from the needle rod (2). An eccentric rocker arm (9) matching the sliding block (5) is sleeved on a rotation shaft of the drive device (10). The corresponding matching transmission of the sliding block (5) and the eccentric rocker arm (9) is used to drive the lever (4) to retract and reciprocate, so that the microneedle shrinks more freely during vibration, can maintain the stable driving performance, is simple in process, is easy to mount, and is convenient to replace, and thus is convenient to use.
Patent WO-2021128381-A1 (WO)
Title: 摄像光学镜头
Inventor: XU MINYI
IPC: G02B13/00
Filed: 2019-12-28
Abstract: 一种摄像光学镜头(10)，摄像光学镜头(10)自物侧至像侧依序包含：第一透镜(L1)、第二透镜(L2)、第三透镜(L3)、第四透镜(L4)、第五透镜(L5)、第六透镜(L6)、第七透镜(L7)以及第八透镜(L8)；且满足下列关系式：f1≥0.00mm；1.60≤f2/f≤4.50；1.55≤n8≤1.70；-30.00≤(R13+R14)/(R13-R14)≤-3.00。摄像光学镜头(10)具有长焦距和超薄等良好的光学性能。
Patent WO-2020186882-A1 (WO)
Inventor: YANG HAITAO
IPC: H04N19/503
Filed: 2019-12-28
Abstract: 本申请提供一种基于三角预测单元模式的处理方法及装置，该方法包括：从码流中解析获得第一预测参数，所述第一预测参数用于对预设视频处理单元进行处理；根据所述第一预测参数，确定是否允许使用三角预测单元模式TPM对所述预设视频处理单元中的多个编码单元CU进行处理，其中，所述多个CU包括待处理CU；当禁止使用TPM对所述预设视频处理单元中的多个CU进行处理时，禁止使用TPM对所述待处理CU进行处理。实施本申请能够降低编解码的复杂度，提高编解码效率。
Patent WO-2021134492-A1 (WO)
Inventor: LIU ZEWEI
IPC: H02M1/32
Filed: 2019-12-31
Abstract: 本公开涉及预充电电路、变流器以及预充电方法，包括：预充电单元；和均压电阻单元，预充电单元与多电平飞跨电容变流器的输入电容并联连接，均压电阻单元包括与输入电容并联连接的至少三个串联连接的电阻，其中，电阻中的第一电阻与多电平飞跨电容变流器的飞跨电容并联连接，电阻中的第二电阻和第三电阻分别与多电平飞跨电容变流器中的不与飞跨电容并联连接的第一功率开关和第四功率开关并联连接。
Patent WO-2021120335-A1 (WO)
Title: 一种大跨度不等高双向曲面网架的累积提升方法
Inventor: SONG LIPENG
IPC: E04G21/14
Filed: 2019-12-31
Abstract: 一种大跨度不等高双向曲面网架的累积提升方法，旨在解决现有技术中针对大跨度空间双向曲面网架常采用的施工方法存在投入的支撑措施多，施工效率慢，施工成本高的问题，其技术要点在于包括以下步骤：S1、施工前计算分析；S2、施工中计算控制；S3、立面支撑网架安装；S4、双向曲面网架拼装；S5、设置提升点；S6、累积提升；S7、配件安装。本发明的安装方法结构紧凑，工业化装配模式，安装周期短，操作灵活度高。
Patent WO-2020238221-A1 (WO)
Inventor: LUO WEI
IPC: B65B51/26
Filed: 2020-05-21
Abstract: Disclosed is a material packaging device based on heat sealing. The material packaging device is at least provided with a packaging material former (7), a heat sealing mechanism (3) and a material supply mechanism (1), wherein a packaging material (100) enters from a first end head (71) of the packaging material former (7), is then output from a second end head (72) and is bent and formed into a bag shape at the second end head (72), and a connecting line between the first end head (71) and the second end head (72) of the packaging material former (7) provides a first direction for traction movement of the packaging material (100); the heat sealing mechanism (3) carries out heat sealing on the bag shape formed by bending the packaging material (100); and the material supply mechanism (1) quantitatively provides materials to be packaged, the materials to be packaged are guided, by a material guide part (11), to enter a bag body formed by the packaging material (100), the material guide part (11) provides a second direction for linear movement of the materials to be packaged, an included angle is formed between the first direction and the second direction, and the included angle is an acute angle. The device ensures that quantitative materials directly and completely enter a heat-sealed packaging bag, and reduces overfilling, thus preventing an empty bag from being formed and preventing materials from being clamped at a heat-sealed position while improving the packaging efficiency.
Patent WO-2020140974-A1 (WO)
Inventor: WU YANG
IPC: C12N15/11
Filed: 2020-01-03
Abstract: Provided are compositions and methods for detecting and/or identifying the genotype of a human papillomavirus (HPV) in a biological sample obtained from a subject in need thereof. Particularly, provided are primers, probes and kits for simultaneously detecting multiple HPV genotypes in a single-tube PCR reaction.
Patent WO-2020147678-A1 (WO)
Inventor: TIAN WEI
IPC: F02B75/02
Filed: 2020-01-13
Abstract: L'invention concerne un générateur linéaire à combustion interne, à pistons opposés et à trois temps comprenant un corps de machine (1) et les composants suivants disposés séquentiellement en allant vers l'intérieur du corps de la machine (1) : un bobinage (2), une armature (3) et un arbre principal (4). Un capteur de position d'arbre principal (5) est fixé à l'arbre principal (4). Deux pistons (110, 210) sont disposés de manière opposée aux deux extrémités de l'arbre principal (4) et installés de façon coaxiale à l'armature (3). Chaque piston est pourvu de parties correspondantes comprenant une soupape d'échappement hydraulique (101, 201), une soupape d'admission d'air (104, 204), une entrée d'air (105, 205) et une bougie d'allumage (112, 212). Les soupapes d'admission d'air sont disposées au niveau de deux pistons opposés, ce qui permet de surmonter le défaut de structure affectant un orifice de transfert d'un moteur à deux temps classique. De plus, la reconfiguration de la course du moteur permet de surmonter les inconvénients inhérents aux moteurs à deux temps classiques, améliorant ainsi les performances d'échappement et de consommation de carburant du moteur.
Patent WO-2021142836-A1 (WO)
Title: Method and device for communication
Inventor: Tian Jiejiao
IPC: H04B7/0417
Filed: 2020-01-19
Abstract: Provided are a method and device for communication. The method comprises: a network device transmits first information to a terminal device, the first information being used for indicating whether the network device acquires downlink channel information via an artificial intelligence algorithm model, and the artificial intelligence algorithm model being constructed by training with past uplink channel information and past downlink channel information serving as samples. A terminal device measures a channel state on the basis of the first information to acquire channel state information. By means of the method, the terminal device can learn the way in which the network device acquires the downlink channel information; hence, the terminal device can employ, on the basis of different ways in which the network device acquires the downlink channel information, a corresponding parameter for channel state measurement, thus reducing an error in the channel state information produced by measurement, and implementing the accurate scheduling of channel resources in a communication system.
Patent WO-2021159477-A1 (WO)
Inventor: SRIDHARAN GOKUL
IPC: H04L5/00
Filed: 2020-02-14
Abstract: Un équipement utilisateur (UE) reçoit, à partir d'une station de base (BS), au moins un bloc de ressources (RB). Le RB comporte au moins un élément de ressource (RE) de signal de référence (RS) d'un premier canal physique de l'UE. L'UE estime une qualité de canal d'un second canal physique de l'UE en fonction de l'au moins un RE RS. Dans certains exemples, la BS associe la transmission d'un premier signal de référence (RS) de canal physique et la transmission d'un second RS de canal physique. La BS signale ensuite, de la BS à l'UE, l'association entre le premier signal de référence de canal physique et le second signal de référence de canal physique.
Patent WO-2020177769-A1 (WO)
Inventor: ZHAO ZHIQIANG
IPC: D06F39/14
Filed: 2020-03-09
Abstract: 一种洗衣机及其控制方法，洗衣机包括：内筒（17），具有内筒口；内筒门（6），可开闭的安装在内筒（17）的内筒口上；位置检测装置，配置为检测内筒门（6）是否关闭到位，所述位置检测装置包括位置传感器（33）和被检测端子（38），所述被检测端子（38）设置在内筒门（6）上，所述位置传感器（33）设置在与被检测端子（38）相对应的位置。
Patent WO-2021174641-A1 (WO)
Inventor: SUN TENGCHEN
IPC: G01N27/22
Filed: 2020-04-10
Abstract: A method for detecting in real time the degree to which roast meat is cooked: a probe (1) and a controller (2) are used; a detection module (3) is provided on the probe (1); the detection module (3) comprises a signal transmitting electrode (32) and a signal detection electrode (33); and the controller (2) comprises a signal transmitting module (22), a signal detection module (23), a processing module (24) and an output module (4). The method comprises: the probe (1) is inserted into a meat chunk to be roasted; the signal transmitting module (22) sends out a low-frequency AC signal and a high-frequency AC signal in a time-sharing manner by means of the signal transmitting electrode (32); the signal detection electrode (33) detects the low-frequency AC signal and the high-frequency AC signal; and the processing module (24) performs calculations according to the variation amount of at least one of several parameters and outputs a cooked degree result of the roasted meat, wherein the parameters comprise: low-frequency impedance, high-frequency impedance, and low-frequency phase difference. The present method may display the cooked degree of meat in real time and has wide applicability.
Patent WO-2020216265-A1 (WO)
Inventor: QIAO PEISHENG
IPC: H01L51/50
Filed: 2020-04-23
Abstract: 本发明公开了一种II-III-V-VI族量子点、其制备方法及及量子点光电器件。II-III-V-VI族量子点的制备方法包括以下步骤：S1，提供含有III-V族量子点核的第一溶液，或者提供含有II-III-V族量子点核的第二溶液；S2，向第一溶液中加入第二补加液，或者向第二溶液中加入第一补加液，反应后得到II-III-V-VI族量子点核；其中，将包括第一III族元素前体、第一V族元素前体以及溶剂的第一混合液于40～100℃下反应，然后再加入第一VI族元素前体继续反应，从而制得第一补加液；将包括第一II族元素前体、第一III族元素前体、第一V族元素前体以及溶剂的第二混合液于40～100℃下反应，然后再加入第一VI族元素前体继续反应，从而制得所述第二补加液。本发明制得的II-III-V-VI族量子点均一度高、晶格缺陷少，光学性能优良。