当前查询到13条专利与查询词 "Liu Bozhi"相关,搜索用时0.5156553秒!排序方式:
发明专利:11实用新型: 2外观设计: 0
11 条,当前第 1-10 条 下一页 最后一页 返回搜索页
申请号:201911302783.8 公开号:CN110991396A 主分类号:G06K9/00
摘要:【中文】本发明公开了一种显示面板、显示装置和指纹识别方法。该显示面板包括:多个阵列排布的传感器单元以及多条信号采集线;信号采集线平行于阵列的列方向;多个传感器单元形成多列传感器单元组;同一列的传感器单元位于同一传感器单元组;多列传感器单元组与多条信号采集线一一对应;多列传感器单元组包括至少一列虚设传感器单元组;其他传感器单元组为指纹识别传感器单元组;与虚设传感器单元组对应的信号采集线为第一信号采集线;与指纹识别传感器单元组对应的信号采集线为第二信号采集线;虚设传感器单元组的各传感器单元的输出端与第一信号采集线断开;指纹识别传感器单元组的输出端与第二信号采集线电连接。该显示面板提高了指纹识别的准确性。 【EN】The invention discloses a display panel, a display device and a fingerprint identification method. The display panel includes: the system comprises a plurality of sensor units arranged in an array and a plurality of signal acquisition lines; the signal acquisition line is parallel to the column direction of the array; the plurality of sensor units form a multi-column sensor unit group; the sensor units in the same column are positioned in the same sensor unit group; the multiple rows of sensor unit groups correspond to the multiple signal acquisition lines one by one; the multi-column sensor unit group comprises at least one column of dummy sensor unit groups; the other sensor unit groups are fingerprint identification sensor unit groups; the signal acquisition line corresponding to the dummy sensor unit group is a first signal acquisition line; the signal acquisition line corresponding to the fingerprint identification sensor unit group is a second signal acquisition line; the output end of each sensor unit of the dummy sensor unit group is disconnected with the first signal acquisition line; the output end of the fingerprint identification sensor unit group is electrically connected with the second signal acquisition line. The display panel improves the accuracy of fingerprint identification.
详细信息 下载全文

申请号:201911342572.7 公开号:CN111025722A 主分类号:G02F1/1333
摘要:【中文】本发明实施例提供了一种显示面板和显示装置,该显示面板包括衬底基板,该衬底基板的显示区设置有多个阵列排布的子像素;每个子像素包括开口区和非开口区,且子像素的开口区设置有显示单元;其中,相邻的两个子像素分别为第一子像素和第二子像素;第一子像素的开口区设置有第一显示单元,第一子像素的非开口区设置有第一像素电路和第二像素电路;第二子像素的开口区设置有第二显示单元;其中,第一显示单元与第一像素电路电连接,第二显示单元与第二像素电路电连接;同时,显示面板还包括多个指纹识别单元;该指纹识别单元设置于第二子像素的非开口区。本发明实施例的技术方案能够提高显示面板的开口率,从而提高显示面板的显示效果。 【EN】The embodiment of the invention provides a display panel and a display device, wherein the display panel comprises a substrate base plate, and a display area of the substrate base plate is provided with a plurality of sub-pixels arranged in an array; each sub-pixel comprises an opening area and a non-opening area, and the opening area of the sub-pixel is provided with a display unit; the two adjacent sub-pixels are respectively a first sub-pixel and a second sub-pixel; the opening area of the first sub-pixel is provided with a first display unit, and the non-opening area of the first sub-pixel is provided with a first pixel circuit and a second pixel circuit; the opening area of the second sub-pixel is provided with a second display unit; the first display unit is electrically connected with the first pixel circuit, and the second display unit is electrically connected with the second pixel circuit; meanwhile, the display panel also comprises a plurality of fingerprint identification units; the fingerprint identification unit is arranged in the non-opening area of the second sub-pixel. The technical scheme of the embodiment of the invention can improve the aperture opening ratio of the display panel, thereby improving the display effect of the display panel.
详细信息 下载全文

申请号:201911080538.7 公开号:CN111027384A 主分类号:G06K9/00
摘要:【中文】本发明公开了一种指纹识别检测电路、检测方法及显示装置,指纹识别检测电路包括:光电二极管、第一晶体管、第二晶体管、第三晶体、第四晶体管和存储电容;第二晶体管的驱动电压为V1,驱动电压信号端的驱动电压为V2,第二晶体管的阈值电压为V3,其中,V1≥V2+V3;第一晶体管M1的驱动电压为V4,其中,V4≤V2;存储电容的值为C1,光电二极管的电容为C2,C1<C2,本发明实现了输出信号放大,提高信噪比,增强了指纹识别电路的抗干扰能力,继而提高了指纹识别的精度。 【EN】The invention discloses a fingerprint identification detection circuit, a detection method and a display device, wherein the fingerprint identification detection circuit comprises: the storage capacitor comprises a photodiode, a first transistor, a second transistor, a third transistor, a fourth transistor and a storage capacitor; the driving voltage of the second transistor is V1The driving voltage at the driving voltage signal terminal is V2The threshold voltage of the second transistor is V3Wherein V is1≥V2+V3(ii) a The driving voltage of the first transistor M1 is V4Wherein V is4≤V2(ii) a The value of the storage capacitor is C1The capacitance of the photodiode is C2,C1<C2The invention realizes the amplification of output signals, improves the signal-to-noise ratio, enhances the anti-interference capability of the fingerprint identification circuit and then improves the fingerprint identification precision.
详细信息 下载全文

申请号:201911207419.3 公开号:CN110867165A 主分类号:G09G3/3266
摘要:【中文】本发明实施例公开了一种显示面板及显示装置。该显示面板包括显示区和边框区,边框区设有显示级联扫描电路及指纹识别级联扫描电路;显示区设有多条显示扫描线和多条指纹扫描线;显示级联扫描电路与显示扫描线电连接,用于向显示扫描线输出显示扫描信号;指纹识别级联扫描电路与指纹扫描线电连接,用于向指纹扫描线输出指纹扫描信号;指纹识别级联扫描电路包括第一指纹识别级联扫描电路和第二指纹识别级联扫描电路,分别位于显示区相对两侧的边框区。本发明实施例的技术方案,通过在边框区设置指纹识别级联扫描电路为指纹识别电路提供扫描驱动信号,有助于减少连接到集成电路芯片的信号走线数量,保证集成电路芯片尺寸满足设计要求。 【EN】The embodiment of the invention discloses a display panel and a display device. The display panel comprises a display area and a frame area, wherein the frame area is provided with a display cascade scanning circuit and a fingerprint identification cascade scanning circuit; the display area is provided with a plurality of display scanning lines and a plurality of fingerprint scanning lines; the display cascade scanning circuit is electrically connected with the display scanning line and is used for outputting display scanning signals to the display scanning line; the fingerprint identification cascade scanning circuit is electrically connected with the fingerprint scanning line and is used for outputting a fingerprint scanning signal to the fingerprint scanning line; the fingerprint identification cascade scanning circuit comprises a first fingerprint identification cascade scanning circuit and a second fingerprint identification cascade scanning circuit which are respectively positioned in the frame areas at two opposite sides of the display area. According to the technical scheme of the embodiment of the invention, the fingerprint identification cascade scanning circuit is arranged in the frame area to provide the scanning driving signal for the fingerprint identification circuit, so that the signal wiring quantity connected to the integrated circuit chip is reduced, and the size of the integrated circuit chip is ensured to meet the design requirement.
详细信息 下载全文

申请号:201911307055.6 公开号:CN110956162A 主分类号:G06K9/00
摘要:【中文】本发明公开了一种指纹识别电路及其工作方法、显示面板和显示装置,属于显示技术领域,指纹识别电路包括指纹识别单元、对比单元、选择单元,选择单元提供指纹电流信号至指纹电流输出端,还提供基准电流信号至基准电流输出端;根据指纹电流信号与基准电流信号的差值读取指纹识别信号。指纹识别电路的工作方法包括:信号重置阶段、信号检测阶段、信号读取阶段。显示面板包括上述指纹识别电路。显示装置包括上述显示面板。本发明在同一时间同时输出干扰信号和指纹信号,再做扣除,避免不同时间点读取指纹信号可能还会引入其他变量的情况发生,进而可以提升指纹识别信号的信噪比,增强抗干扰能力,有利于提高指纹识别效果。 【EN】The invention discloses a fingerprint identification circuit and a working method thereof, a display panel and a display device, belonging to the technical field of display, wherein the fingerprint identification circuit comprises a fingerprint identification unit, a comparison unit and a selection unit, wherein the selection unit provides a fingerprint current signal to a fingerprint current output end and also provides a reference current signal to a reference current output end; and reading the fingerprint identification signal according to the difference value of the fingerprint current signal and the reference current signal. The working method of the fingerprint identification circuit comprises the following steps: signal reset phase, signal detection phase and signal reading phase. The display panel comprises the fingerprint identification circuit. The display device comprises the display panel. The invention simultaneously outputs the interference signal and the fingerprint signal at the same time, and then deducts the interference signal and the fingerprint signal, thereby avoiding the situation that other variables are possibly introduced when the fingerprint signal is read at different time points, further improving the signal-to-noise ratio of the fingerprint identification signal, enhancing the anti-interference capability and being beneficial to improving the fingerprint identification effect.
详细信息 下载全文

申请号:201911415562.1 公开号:CN111126342A 主分类号:G06K9/00
摘要:【中文】本申请公开了一种显示面板及显示装置,其中,所述显示面板包括相对设置的阵列基板和保护盖板,位于阵列基板一侧的指纹识别单元以及位于保护盖板背离阵列基板一侧的光学结构,所述光学结构可以增加所述指纹识别单元接收的探测光线被操作体反射的反射量,从而有利于增加指纹识别单元用于指纹识别的信号量,使得指纹识别单元可以获得所述探测光线携带的更多的操作体指纹信息,进而有利于提高所述指纹识别单元的指纹识别精度。 【EN】The application discloses display panel and display device, wherein, display panel is including the relative array substrate and the protection apron that set up, is located the fingerprint identification unit of array substrate one side and is located the optical structure that the protection apron deviates from array substrate one side, optical structure can increase the reflection capacity of detection light that fingerprint identification unit received is by the operating body reflection to be favorable to increasing the semaphore that fingerprint identification unit is used for fingerprint identification, make fingerprint identification unit can obtain more operating body fingerprint information that detection light carried, and then be favorable to improving the fingerprint identification precision of fingerprint identification unit.
详细信息 下载全文

申请号:202010143226.2 公开号:CN110982876A 主分类号:C12Q1/6806
摘要:【中文】本发明涉及病毒核酸检测领域。具体地,本发明提供了一种用于病毒核酸检测的预处理方法,所述方法包括将含有样本的预处理液与核酸释放剂和qPCR扩增试剂混合,其中,所述预处理液包括:Tris‑HCl、EDTA‑2Na、氯化钠、核糖核酸酶抑制剂和抗生素;其中,所述预处理液的pH为6.5~8.0。使用本发明的方法配置的核酸检测反应液,能够直接进行qPCR,提高检测效率,缩短检测时间。 【EN】The present invention relates to the field of viral nucleic acid detection. Specifically, the invention provides a pretreatment method for viral nucleic acid detection, comprising mixing a pretreatment solution containing a sample with a nucleic acid releasing agent and a qPCR amplification reagent, wherein the pretreatment solution comprises: Tris-HCl, EDTA-2Na, sodium chloride, ribonuclease inhibitor and antibiotic; wherein the pH value of the pretreatment liquid is 6.5-8.0. The nucleic acid detection reaction solution prepared by the method can be used for directly carrying out qPCR, so that the detection efficiency is improved, and the detection time is shortened.
详细信息 下载全文

申请号:201911399747.8 公开号:CN111176486A 主分类号:G06F3/041
摘要:【中文】本发明实施例提供一种显示面板及其驱动方法和显示装置。显示面板的显示区包括感光单元阵列,感光单元阵列包括感光单元行和感光单元列;光感信号检测电路包括多条检测扫描线和多条检测数据线,一个感光单元行与一条检测扫描线电连接,一个感光单元列与一条检测数据线电连接;还包括驱动芯片,驱动芯片包括多个引脚,一条检测数据线与一个引脚电连接;光感信号检测电路的工作阶段包括指纹识别阶段和触控检测阶段,在指纹识别阶段,检测数据线用于向驱动芯片输出指纹检测信号;在触控检测阶段,检测数据线用于向驱动芯片输出触控位置信号。本发明能够减少了驱动芯片的引脚个数,提高绑定工艺的良率。 【EN】The embodiment of the invention provides a display panel, a driving method thereof and a display device. The display area of the display panel comprises a photosensitive unit array, and the photosensitive unit array comprises photosensitive unit rows and photosensitive unit columns; the light sensing signal detection circuit comprises a plurality of detection scanning lines and a plurality of detection data lines, a light sensing unit row is electrically connected with one detection scanning line, and a light sensing unit column is electrically connected with one detection data line; the driving chip comprises a plurality of pins, and one detection data line is electrically connected with one pin; the working stage of the light sensation signal detection circuit comprises a fingerprint identification stage and a touch detection stage, and in the fingerprint identification stage, the detection data line is used for outputting a fingerprint detection signal to the driving chip; in the touch detection stage, the detection data line is used for outputting a touch position signal to the driving chip. The invention can reduce the number of pins of the drive chip and improve the yield of the binding process.
详细信息 下载全文

申请号:202010326989.0 公开号:CN111218502A 主分类号:C12Q1/6851
摘要:【中文】本发明涉及一种用于提升荧光定量PCR检测性能的组合物,所述组合物包括:牛血清蛋白、山梨醇、硫酸铵、甲酰胺和四甲基氯化铵,以及二硫苏糖醇和甜菜碱中的至少一种。本发明还涉及含有所述组合物的qPCR反应液,提及其配置方法。使用本发明的组合物,可以提高荧光定量PCR的灵敏度、特异性以及抗干扰性。 【EN】The invention relates to a composition for improving fluorescent quantitative PCR detection performance, which comprises the following components: bovine serum albumin, sorbitol, ammonium sulfate, formamide, tetramethylammonium chloride, and at least one of dithiothreitol and betaine. The invention also relates to a qPCR reaction solution containing the composition, and a preparation method thereof. The sensitivity, specificity and anti-interference of the fluorescence quantitative PCR can be improved by using the composition.
详细信息 下载全文

申请号:201911173486.8 公开号:CN110909545A 主分类号:G06F40/289
摘要:【中文】本发明公开一种基于梯度提升算法的黑导游检测方法,应用于数据检测领域,针对现有的旅游行业监管滞后问题,本发明通过获取网站新闻URL数据,并基于词嵌入训练得到词向量模型;并基于获得的词向量模型,采用梯度提升算法训练得到黑导游类别预测模型;最后通过向得到的黑导游类别预测模型输入投诉文本,得到预测类型,相比于现有的人工数据检测,显著提高了检测效率。 【EN】The invention discloses a black tour guide detection method based on a gradient lifting algorithm, which is applied to the field of data detection and aims at the problem of supervision lag of the existing tour industry; training by adopting a gradient lifting algorithm based on the obtained word vector model to obtain a black tour guide category prediction model; and finally, inputting a complaint text into the obtained black tour guide category prediction model to obtain a prediction type, and compared with the existing manual data detection, the detection efficiency is obviously improved.
详细信息 下载全文

11 条,当前第 1-10 条 下一页 最后一页 返回搜索页