baber/WOPTO huggingface dataset:
Patent WO-2020113430-A1 (WO)
Inventor: LI HONGBIAN
IPC: H01B1/24
Filed: 2018-12-04
Abstract: A graphene-based conductive structure having a self-repairing function, a manufacturing method for the same, and a self-repairing method for a graphene-based conductive structure having a self-repairing function. The graphene-based conductive structure having a self-repairing function comprises graphene nanosheets and nanocellulose. The graphene-based conductive structure having a self-repairing function has both high mechanical strength and superior electrical conductivity, is capable of restoring its shape and electrical conductivity in an aqueous environment after breakage, has high flexibility, and is widely applicable in fields such as high-performance fibers, biosensors, composite fiber materials, and adsorbent materials.
Patent WO-2020118744-A1 (WO)
Inventor: MA JIANHUA
IPC: C22C9/06
Filed: 2018-12-19
Abstract: 一种稀土铜合金轻量化玻璃模具及其制备方法，属于玻璃模具材料。将称量好的镍、硅、铬和50%的铜及稀土投入熔炼炉中，熔化后待升温，停炉并将剩余的铜加入，待熔化后加除渣剂进行覆盖，升温，扒渣，同时采用光谱分析调整熔液的含量为:4.0～9.5％的镍，0.5～3.5％的硅，0.5～3.5％的铬，0.01～0.5％的稀土，其余为铜；将得到的稀土铜合金轻量化玻璃模具熔液浇注到放置有冷铁芯的成型砂壁中，浇注完成后撤去冷铁芯；将得到的稀土铜合金轻量化玻璃模具引入固溶处理炉进行固溶处理；之后投入炉内进行时效处理，得到成品。该模具具有优异的高导热性、高抗拉强度、良好的硬度、优异的抗氧化及耐腐蚀性。
Patent WO-2019134518-A1 (WO)
Title: 像素排布结构、其制作方法、显示面板、显示装置和掩模板
Inventor: WANG BENLIAN
IPC: H01L27/32
Filed: 2018-12-19
Abstract: 一种像素排布结构（100），包括：在第一方向（D1）上排列的多个第一组子像素（G1），多个第一组子像素中的每一个包括交替排列的多个第一子像素（101）和多个第三子像素（103）；以及在第一方向上排列的多个第二组子像素（G2），多个第二组子像素中的每一个包括交替排列的多个第三子像素和多个第二子像素（102）。多个第一组子像素和多个第二组子像素在垂直于第一方向的第二方向（D2）上交替排列。多个第一组子像素和多个第二组子像素被排列使得形成在第二方向上排列的多个第三组子像素（G3）和在第二方向上排列的多个第四组子像素（G4），多个第三组子像素和多个第四组子像素在第一方向上交替排列。多个第三组子像素中的每一个包括交替排列的多个第一子像素和多个第三子像素，多个第四组子像素中的每一个包括交替排列的多个第三子像素和多个第二子像素。
Patent WO-2020015332-A1 (WO)
Title: Video publishing method and apparatus, device, and storage medium
Inventor: HAO YIPENG
IPC: H04N5/76
Filed: 2018-12-28
Abstract: Disclosed are a video publishing method and apparatus, a device, and a storage medium. The method comprises: upon acquiring a video and video publishing information, detecting a video recording request, and recording a video clip according to the video recording request until a video merging command is acquired; merging the video and the video clip according to the video merging command, and obtaining a target video; detecting a video publishing command, and uploading the target video and the video publishing information to a video server.
Patent WO-2020133540-A1 (WO)
Inventor: JI BAIMIAO
IPC: A61N1/36
Filed: 2018-12-29
Abstract: 一种自动体外除颤器（100）及其事件统计方法，自动体外除颤器（100）包括：主控单元（101）、存储器（102）、输出单元（103）、电极片（104）和电源（105）；电极片（104），用于采集心电数据和发送除颤电击脉冲；主控单元（101），用于识别所述自动体外除颤器（100）使用过程中的N种预设抢救事件，分别对每种预设抢救事件进行统计，并将其对每种预设抢救事件进行统计的结果存储在所述存储器（102）中，在接收到输出指令后触发所述输出单元（103）输出所述存储器（102）存储的所述主控单元（101）对每种预设抢救事件进行累计统计的结果；相对于现有技术中口述告知抢救信息可能存在遗漏和偏差的情况来说，该自动体外除颤器（100）及其事件统计方法输出的每种预设抢救事件的统计结果更准确，有利于医生对患者的情况作出更准确的判断，为进一步制定后续治疗方案提供更准确的支持。
Patent WO-2019134696-A1 (WO)
Inventor: CHENG GUANLUN
IPC: H04M1/02
Filed: 2019-01-07
Abstract: Provided in the present invention is a hinge of a mobile terminal having a foldable flexible screen. The hinge comprises a middle U-shaped cover, a left support frame, and a right support frame. The left support frame and the right support frame are rotatably connected to the U-shaped cover. A flexible screen support plate capable of being folded and unfolded is connected to the left support frame, the right support frame and the U-shaped cover. The flexible screen support plate is located at an inner side of the hinge. The flexible screen support plate consists of a rotatable first left support plate, second left support plate, first right support plate and second right support plate. The first left support plate is provided with a lever member using a rotation shaft as a fulcrum and a short lever arm supporting the second left support plate. The first right support plate is provided with a lever member using a rotation shaft as a fulcrum and a short lever arm supporting the second right support plate. Also provided in the present invention is a mobile terminal having a foldable flexible screen using the hinge. The present invention has a simple structure, can prevent a middle structure of a hinge from being exposed outside when folded, provide space for accommodating a bending portion of the flexible screen, and is easy to operate.
Patent WO-2019141171-A1 (WO)
Inventor: GUO JIANCHENG
IPC: H04L12/14
Filed: 2019-01-16
Abstract: Embodiments of the present application provide a service data flow processing method and a related device thereof, for use in processing service data flow generated on a default bearer when an uplink network is in a disconnected state, so as to reduce the data traffic fee corresponding to the service data flow. The method in the embodiments of the present application comprises: a policy and charging enforcement function (PCEF) device obtains service data flow, the service data flow being data flow transmitted to user equipment (UE) by a server by using a default bearer, and the default bearer being a bearer established when the server is connected to a public data network (PDN) of the UE; the PCEF device determines that the UE is disconnected from an uplink network of the server; the PCEF device blocks the transmission of the service data flow, or the PCEF device charges the service data flow according to a preset charging mode.
Patent WO-2019161735-A1 (WO)
Inventor: LI WENWEI
IPC: D06F39/08
Filed: 2019-01-31
Abstract: Disclosed in the present invention is a washer-dryer. The washer-dryer comprises a water drainage apparatus and pipelines. The water drainage apparatus comprises a water inlet cavity, a pump body, and an outlet. The water inlet cavity comprises multiple inlets; the multiple inlets are respectively connected to different pipelines; the pipelines comprise a liquid seal structure. The beneficial effects of the present invention are that: the water drainage apparatus can accommodate water coming from multiple sources and share the same pump body, so that the energy consumption of the washer-dryer is reduced; the liquid seal structure on the pipelines can implement water-gas separation, no interference may occur, the dried cloths can be prevented from being polluted by wash water, and the thermal efficiency in the drying process is further improved; the U-shaped pipe is simple in structure, the processing difficulty is small, and the pipe may not easily be damaged.
Patent WO-2020155218-A1 (WO)
Inventor: SHAN JIANFENG
IPC: G02F1/1362
Filed: 2019-02-20
Abstract: A display panel (110), a drive method and a drive circuit (120). The display panel (110) comprises a plurality of data lines (130) and a plurality of gate lines (140); the gate lines (140) and the data lines (130) are interleaved with each other; the display panel (110) further comprises a plurality of pixels (150) respectively driven by corresponding gate lines (140) and data lines (130); each pixel (150) comprises a corresponding pixel electrode; and the pixel electrode of the pixel (150) overlaps with another adjacent gate line (140) to form an overlapping area.
Patent WO-2019196863-A1 (WO)
Title: Content display method and apparatus
Inventor: DU FENG
IPC: H04M1/725
Filed: 2019-04-10
Abstract: Disclosed are a content display method and apparatus. The method comprises: acquiring a line-of-sight angle between a line of sight of a human eye and a display screen; and according to the line-of-sight angle and orientation information of the display screen, displaying content displayed on the display screen in a rotating manner, such that the content displayed on the display screen is perpendicular to the line of sight of the human eye.
Patent WO-2020098210-A1 (WO)
Inventor: MA TAO
IPC: H01L27/12
Filed: 2019-04-10
Abstract: L'invention concerne un substrat (10) d'un panneau d'affichage qui comprend : un support (1) ; une première marque d'alignement sur le support (1) ; une première couche diélectrique (45) recouvrant la première marque d'alignement ; une marque d'alignement auxiliaire (3) alignée avec la première marque d'alignement, la marque d'alignement auxiliaire comprenant un évidement (45') dans la première couche diélectrique (45). L'invention concerne en outre un panneau d'affichage qui comprend le substrat (10), et un système qui comprend le panneau d'affichage. L'invention concerne également un procédé qui consiste : (S102) à former une première marque d'alignement sur le support (1) ; (S103) à former une première couche diélectrique (45) recouvrant la première marque d'alignement ; et (S104) à former une marque d'alignement auxiliaire (3) alignée avec la première marque d'alignement, la marque d'alignement auxiliaire (3) comprenant un évidement (45') dans la première couche diélectrique (45).
Patent WO-2020010908-A1 (WO)
Inventor: XUE FEI
IPC: B33Y30/00
Filed: 2019-05-06
Abstract: 本发明涉及一种增减材复合制造设备及制造方法。本发明将增材区和减材区利用工件切换区进行分割，确保了增、减材气氛环境互不干扰，并且工位切换区实现了工件的自动切换，不仅提高了设备的加工效率，同时避免了工件切换对增材单元气氛环境的不良影响，提高了增材制造的工艺稳定性。该设备主要结构包括增材区、减材区以及工件切换区；增材区包括第一密封舱、第一气氛调节系统以及设置在第一密封舱内用于对工件进行增材处理的增材单元；减材区包括用于对工件进行减材处理的减材单元；减材单元位于空气环境中；工件切换区包括第二密封舱、第二气氛调节系统以及设置在第二密封舱内的用于将工件在增材单元和减材单元之间相互传输的托盘式交换台。
Patent WO-2020119021-A1 (WO)
Title: 一种评价泥页岩储层有机质、粘土和其它矿物所贡献孔隙赋存吸附态甲烷厚度和密度的方法
Inventor: CHEN FANGWEN
IPC: G01N15/08
Filed: 2019-05-15
Abstract: 一种评价泥页岩储层有机质、粘土和其它矿物所贡献孔隙赋存吸附态甲烷厚度和密度的方法。方法步骤：粉碎一块泥页岩样品筛选3个以上不同目数子样品进行TOC、干酪根元素含量、全岩分析、低温氮气吸附-解吸和甲烷等温吸附实验；利用子样品TOC和干酪根元素含量计算有机质含量，并归一化有机质、粘土和其它矿物含量；根据子样品有机质、粘土、其它矿物含量和低温氮气吸附-解吸结果评价单位质量有机质、粘土和其它矿物中各孔径孔隙体积；根据子样品有机质、粘土、其它矿物含量和甲烷等温吸附实验结果评价单位质量有机质、粘土和其它矿物赋存吸附态甲烷含量；建立模型计算有机质、粘土和其它矿物所贡献不同孔径孔隙内吸附态甲烷厚度和密度。
Patent WO-2020232615-A1 (WO)
Title: Information recommendation method and apparatus, and electronic device and storage medium
Inventor: GUO ZILIANG
IPC: G06Q30/06
Filed: 2019-05-20
Abstract: Disclosed are an information recommendation method and apparatus, and an electronic device and a storage medium. The method comprises: a voice assistant starting to receive voice information after being started; after the voice information is received, identifying the received voice information; when it is identified that the received voice information comprises shopping related information, acquiring, from a target commodity information supply platform, target commodity information to be recommended associated with the shopping related information, wherein the target commodity information is commodity information matching a user portrait of a user bound with the voice assistant; and displaying a card, and displaying the target commodity information in the card. By means of the implementation of the method, a user can more quickly acquire a commodity required thereby, and thus does not need to separately start a target client for shopping; and the user then searches for the commodity required thereby by means of sliding a page multiple times, thereby greatly improving the user experience.
Patent WO-2020038108-A1 (WO)
Title: Dynamic motion detection method and dynamic motion control method and device
Inventor: Du tianyuan
IPC: G06F3/01
Filed: 2019-06-28
Abstract: The present disclosure relates to a dynamic motion detection method and a dynamic motion control method and device. The dynamic motion detection method comprises: adding frame images in a video stream to a first queue so as to acquire the first queue in which part of the frame images have been updated; detecting dynamic motion in the frame images of the partially updated first queue; and if the dynamic motion does not match a motion detection result, updating the motion detection result according to the dynamic motion, the motion detection result comprising a motion reference result or a motion detection result of prior detection. In embodiments of the present disclosure, dynamic motion detection is performed according to the frame images in the partially updated first queue, such that dynamic motion in a video stream is detected in a timely manner; and dynamic motion can also be quickly determined according to a start frame or an end frame of the dynamic motion, such that a detection result of the dynamic motion is more accurate, and detection efficiency is higher.
Patent WO-2021000086-A1 (WO)
Title: 一种基于微型扬声器的车内独立声场系统及控制系统
Inventor: SUN SHUYUAN
IPC: H04R9/06
Filed: 2019-06-29
Abstract: 本发明提供了一种基于微型扬声器的车内独立声场系统及控制系统。车内独立声场系统包括安装在用户前方区域的微型扬声器阵列以及安装在用户近耳区域的微型扬声器。所有微型扬声器均设置有耦合后腔，并且，用户近耳区域的微型扬声器还设置有导声前腔。控制系统中的控制器控制安装在用户前方区域的微型扬声器阵列进行中高频的指向性重放，并控制安装在用户近耳区域的微型扬声器进行低频重放和主动反相抵消的方案，解决了传统车载扬声器尺寸无法在车内安装扬声器阵列，和仅用扬声器阵列控制声音指向性低频效果不佳的问题，实现了车内座位每个区域的独立声场控制，且播放不同节目源时，相互干扰很小，提升了车内用户的个性化听音需求和用户体验。
Patent WO-2020034782-A1 (WO)
Title: Battery module and battery system of forklift
Inventor: SHEN WANGPING
IPC: H01M50/509
Filed: 2019-07-05
Abstract: A battery module and a battery system of a forklift. The battery module (1) comprises a battery housing (13), a lower battery cell group (12), and an upper battery cell group (11). The lower battery cell group comprises a plurality of lower battery cells arranged in sequence, and positive electrodes and negative electrodes of adjacent lower battery cells are connected in series by means of solid copper busbars (102). The upper battery cell group comprises a plurality of upper battery cells arranged in sequence, and positive electrodes and negative electrodes of adjacent upper battery cells are connected in series by means of solid copper busbars (102). The upper battery cell group and the lower battery cell group are connected in series by means of flexible busbars (101) to form a master battery cell. The upper battery cell group (11) and the lower battery cell group (12) are connected in series by means of flexible busbars to form a master battery cell, and battery modules in the battery system of the forklift are connected in parallel. Due to the serial to parallel connection mode, the voltages of the battery modules are the same. Because the voltage is kept unchanged after the battery modules are connected in parallel, a corresponding number of battery modules can be configured according to the size of a battery compartment of the forklift.
Patent WO-2020015732-A1 (WO)
Inventor: CONG YUWEN
IPC: A61P25/00
Filed: 2019-07-19
Abstract: 亚砜类化合物在制备用于预防将接受放射治疗的患头颈部肿瘤的人类免患放射性神经系统疾病的药物中的用途。亚砜类化合物在预防患头颈部肿瘤的人类免患放射性神经系统疾病方面具有优异的效果。
Patent WO-2020015755-A1 (WO)
Title: Power supply apparatus and method for power amplifier
Inventor: LI XIANGFENG
IPC: H03F3/20
Filed: 2019-07-19
Abstract: Disclosed are a power supply apparatus and method for a power amplifier. The power supply apparatus for a power amplifier comprises: a redundant circuit configured to provide an input voltage to a power-off holding circuit after performing redundancy on an output voltage of a first power supply circuit and an output voltage of a second power supply circuit, and to provide an input voltage to a grid voltage circuit after performing redundancy on the output voltage of the first power supply circuit and an output voltage of the power-off holding circuit; the power-off holding circuit configured to provide power-off energy holding and the power-off delay to a grid voltage output by the grid voltage circuit; and a detection control circuit configured to detect the power-off holding circuit during a power-on process, to detect a voltage of the power-off holding circuit and the voltage of the grid voltage circuit during a normal operation and power-off process and to realize, where a detection result satisfies a determination condition, that power on with the grid voltage is earlier than that with a drain voltage and power off with the grid voltage is later than that with the drain voltage by means of the enable control of an enable circuit.
Patent WO-2020034879-A1 (WO)
Title: Task processing method, apparatus, and system
Inventor: ZHOU XIAOLIANG
IPC: H04L47/56
Filed: 2019-08-07
Abstract: Disclosed in embodiments of the present application are a task processing method, apparatus, and system. The system comprises: a task generation server, a task allocation server, and a terminal device. The terminal device comprises: a task detail pre-loading module configured to obtain a task list and pre-load task details of the tasks; a task detail presentation module configured to read detail information of a target task from a local memory and present same; a task execution result register module configured to add a task execution result to a task execution result queue of the local memory; and a task execution result uploading module configured to upload the task execution result to a server when recovering to a second network state. The embodiments of the present application can better complete an online process of work orders with low costs in the case that a warehouse has poor network coverage.
Patent WO-2020063282-A1 (WO)
Inventor: CHEN LI
IPC: H04L5/00
Filed: 2019-09-04
Abstract: Provided are an information indication method, an indication receiving method, a terminal, and a network-side device. The method comprises: sending indication information to the network-side device, the indication information being used to indicate the limit of the capacity of the terminal to process a target message.
Patent WO-2020057593-A1 (WO)
Inventor: YAN SHENGNAN
IPC: G06N3/04
Filed: 2019-09-19
Abstract: The embodiments of the present disclosure provide a convolution processing method, apparatus, and storage medium of a convolutional neural network, said method comprising: classifying weight values in a sub-convolution kernel of a convolutional neural network; according to the classification result of each of said weight values, generating, for a corresponding weight value, an indicator used for storing a corresponding operation on data and an address used for characterizing the weight value; according to the address of the weight value, obtaining corresponding data to be processed; according to the indicator, performing a convolution operation on the data to be processed to obtain a convolution result.
Patent WO-2020134292-A1 (WO)
Inventor: QIN QIANG
IPC: F24F13/20
Filed: 2019-09-29
Abstract: 一种空调室内机（600）和空调器，空调室内机（600）包括：壳体（100），包括底盘（110）和面框（130），面框（130）开设有开口（130b）；风道部件（300），设于底盘（110）并显露于开口（130b）；下面板（120），开设有出风口（120a），下面板（120）的一侧与壳体（100）的一侧边缘或风道部件（300）的一侧转动连接，另一侧与壳体（100）的另一侧边缘或风道部件（300）的另一侧可拆卸连接，下面板（120）转动打开或罩盖开口（130b），以显露或遮蔽风道部件（300）。
Patent WO-2020186726-A1 (WO)
Inventor: SHENG WEI
IPC: G06F16/176
Filed: 2019-09-30
Abstract: 一种基于区块链的黑名单数据共享方法及系统，涉及区块链技术领域，通过将区块链技术引入黑名单数据的应用场景中能够保证黑名单数据获取的便捷性和有效性，提高黑名单数据的共享价值。该方法包括：成员机构搭建各自的网络节点，依序将各成员机构所属的网络节点联网构建区块链，网络节点包括业务节点和积分节点；经由任一业务节点发起黑名单数据上传请求，利用生成的对称秘钥加密黑名单数据的同时使用随机公钥对对称秘钥加密，通过将加密的黑名单数据和加密的对称秘钥打包上链，并在上链落账时由关联的积分节点请求向指定的积分地址转入积分；该系统包括上述方案所提的方法。
Patent WO-2021081988-A1 (WO)
Inventor: HUANG XIAOXIA
IPC: G02F1/1345
Filed: 2019-11-01
Abstract: A display module (100; 200) and a display device. The display module (100; 200) comprises a first flexible circuit board (130; 230), a display substrate (110; 210), and a touch control sensor (120; 220) arranged on a display side of the display substrate (110; 210). The display substrate (110; 210) is provided with a flat area (111; 211) and a curved area (112; 214) located on both sides of the flat area (111; 213) in a first direction (D1); the touch control sensor (120; 220) is provided with a first bonding area (121; 221) and a second bonding area (122; 222) on a first side in a second direction (D2) that crosses the first direction (D1), the first bonding area (121; 221) and the second bonding area (122; 222) are located on the surface, away from the display substrate (110; 210), of the touch sensor (120; 220) and overlap the flat area (111; 213) and are spaced apart from each other; the first flexible circuit board (130; 230) is electrically connected to the touch control sensor (120; 220) by means of the first bonding area (121; 221) and the second bonding area (122; 222); the first flexible circuit board (130; 230) comprises a main body part (131; 231), and a first bonding connection part (132; 232) and a second bonding connection part (133; 233) that protrude from the main body part (131; 231) and are spaced apart from each other; and the first bonding connection part (132; 232) and the first bonding area (121; 221) are bonded and electrically connected to each other, and the second bonding connection part (133; 233) and the second bonding area (122; 222) are bonded and electrically connected to each other. The display module (100; 200) can more effectively use the space on the back of the display module (100; 200), and realize the bonding of the touch control sensor (120; 220) and the first flexible circuit board (130; 230).
Patent WO-2021027197-A1 (WO)
Inventor: HAN YUNFENG
IPC: C12N1/20
Filed: 2019-12-09
Abstract: Provided is a composite strain based on hydrogen-oxidizing bacteria; said compound strain is a type of rhizosphere mesophilic microorganism of which all respiratory types are facultative aerobic, the suitable pH value is 4.5–8, the suitable water activity is 0.8–0.9, and the nutritional type is chemotrophic organic/inorganic facultative heterotrophic. Also provided is a method for culturing the composite strain; as common survival conditions for the compound strain are provided, fungi decompose organic carbon-containing compounds into organic acids and CO2 to provide hydrogen-oxidizing bacteria as a carbon source for a heterotrophic mode; nitrogen-fixing bacteria convert N2 in the air into NH3 and simultaneously release H2; the hydrogen-oxidizing bacteria use organic acids, CO2, NH3, H2, and O2 in the air as their metabolic elements to achieve energy transfer and balance, and, by means of enrichment and cultivation, a composite strain based on hydrogen-oxidizing bacteria is obtained. By means of co-cultivating hydrogen-oxidizing bacteria, nitrogen-fixing bacteria, and fungi, a compound strain having plant growth-promoting function is obtained, and can be used as a high-efficiency organic bacterial fertilizer.
Patent WO-2020147511-A1 (WO)
Title: 赤红球菌产品在治疗温血动物的皮肤损伤或溃疡中的用途
Inventor: GAI BO
IPC: A61P17/02
Filed: 2019-12-20
Abstract: 本公开涉及赤红球菌产品在治疗温血动物的皮肤损伤或溃疡中的用途。具体而言，本公开提供了一种包含赤红球菌细胞壁或其成分的赤红球菌产品。向受试者施用该赤红球菌产品，对经久不愈型的皮肤溃疡、物理或化学因素所致的皮肤损伤的治疗效果好；且无副作用，促进皮肤组织的修复。
Patent WO-2020155937-A1 (WO)
Inventor: CAI YUANQI
IPC: F03B13/18
Filed: 2019-12-24
Abstract: 一种主动共振C式浮力摆波浪能发电装置，是一种完全浸没于水中的呈舱室状的波浪能发电装置，包括俘能系统、发电系统（6）和筏式底座（3），俘能系统包括呈舱室状摆体（1），摆体（1）内设置有自动质心调节装置，摆体（1）固连于主轴（4），主轴（4）与发电系统（6）连接，主轴（4）上还设置有用于测试摆体（1）摆动的码盘，摆体（1）两侧面平行，背波面是上大下小的两个同心圆弧，两圆弧之间采用螺旋线、渐开线及高阶曲线过渡，过渡曲线上外法线距主轴轴心的距离最小；迎波面是平面、内凹圆弧面或与背波面相同的曲面；发电系统（6）包括链条（18）、棘轮（17）、换向轴（19）、增速器（21）、永磁发电机（22），发电系统（6）内置于摆体（1）舱室内或位于摆体（1）外部。通过调节装置质心位置，实现摆体（1）实时与波浪共振，实现波能高效转换。
Patent WO-2020258784-A1 (WO)
Inventor: FU LINLIN
IPC: G02F1/13357
Filed: 2019-12-24
Abstract: L'invention concerne une plaque de diffusion (201), comprenant une coque transparente (2011). La coque transparente (2011) est pourvue d'une cavité de réception (2012), et la cavité de réception (2012) est remplie de particules de points quantiques (20121). Le remplissage de la cavité de réception étanche (2012) avec les particules de points quantiques (20121) garantit que les particules de points quantiques (20121) dans la cavité de réception (2012) sont dans un environnement sous vide de façon à empêcher efficacement l'eau et l'oxygène d'infiltrer les particules de points quantiques (20121) pour éviter la formation d'un bord bleu dans des zones de bord de deux côtés de la plaque de diffusion (201), ce qui permet d'obtenir un affichage à gamme de couleurs élevée d'un module de rétroéclairage (400) et de réduire le coût de production du module de rétroéclairage (400).