王涌天
发明人: 马诗宁,宋维涛,刘越,王涌天
申请人: 北京理工大学
申请号: 202211321442.7
申请日期: 2022.10.26
摘要: 本申请属于图像处理技术领域,公开了一种面向多光源的图像白平衡校正方法、装置、设备及存储介质,能够适用于多光源环境下的白平衡校正。计算不同位置环境光源对拍摄图像中每一像素位置的影响权重,基于所述影响权重与多光源的视锥细胞响应值,计算等效于所述多光源的等效光源视锥细胞响应值;计算等效光源对于图像上每一像 ...
发明人: 张楠,王涛,杨琢,黄玲玲,王涌天
申请人: 北京理工大学
申请号: 202211136926.4
申请日期: 2022.09.19
摘要: 本发明公开的飞秒激光焊接银纳米线制备柔性透明电极的方法,属于柔性可穿戴电子设备领域。本发明采用喷涂工艺将银纳米线集成于柔性基底表面,结合飞秒激光焊接工艺对银纳米线网络进行纳米焊接,显著提升薄膜的导电性能,激光纳米焊接只会在纳米线结点处熔化焊接,不会对银纳米线其余部分造成破坏,甚至不会对柔性基底造成损 ...
作者: Wang, Yongdong1;Yang, Tong1;Ni, Dongwei1;Cheng, Dewen1;Wang, Yongtian1
出处: Conference on AOPC - Optical Sensing, Imaging, and Display Technology ELECTR NETWORK 2022
会议录: Vol.12557 -
摘要: Retinal projection display (RPD) is considered as a better solution for near-eye displays (NEDs). It can be used for the augmented-reality (AR) and vi ...
作者: Tang, Haisong1, 2; Feng, Zexin1, 2; Cheng, Dewen1, 2; Wang, Yongtian1, 2
出处: 2022 Applied Optics and Photonics China: Novel Optical Design; and Optics Ultra Precision Manufacturing and Testing, AOPC 2022 Virtual, Online, China 2022
作者: Zhou, Lijun1, 2; Yang, Tong1, 2; Cheng, Dewen1; Wang, Yongtian1, 2
出处: 2022 Applied Optics and Photonics China: Novel Optical Design; and Optics Ultra Precision Manufacturing and Testing, AOPC 2022 Virtual, Online, China 2022
作者: Li, Yang1;Cheng, Dewen1;Shi, Xueliang2;Wang, Yongtian1;
出处: Conference on Optical Design and Testing XII ELECTR NETWORK 2022
会议录: Vol.12315 -
摘要: Virtual reality (VR) and augmented reality (AR) have widespread applications in education, military, medical treatment, and entertainment. The key par ...
作者: Zhang, Tian1,2;Chen, Hailong1,2;Luo, Wenfang3;Du, Hongye3;Cheng, Dewen1,2;Wang, Yongtian1,2;
出处: Conference on Optical Design and Testing XII ELECTR NETWORK 2022
会议录: Vol.12315 -
摘要: A f-theta laser scanning optical system with wide scanning angle, high resolution and compactness is proposed. Specifications of the system are analyz ...
作者: Li, Danyang1;Cheng, Dewen1,2;Jiang, Xueyan3;Chen, Hailong1;Yao, Cheng2;Wang, Qiwei2;Wang, Yongtian1;
出处: Conference on Optical Design and Testing XII ELECTR NETWORK 2022
会议录: Vol.12315 -
摘要: With the advent of high brightness microdisplay, augmented reality head mounted display (AR-HMD) has rapidly developed and applied. Various optical sc ...
作者: Liu, Jianghong1; Jiang, Qiang1; Huang, Lingling1; Wang, Yongtian1
出处: 2021 International Conference on Optical Instruments and Technology - Micro/Nano Photonics: Materials and Devices Virtual, Online, China 2022
作者: 王涛,杨琢,冯翰林,黄玲玲,王涌天,张楠 (北京理工大学光电学院北京市混合现实与新型显示工程技术研究中心)
出处: 光子学报 2022 第51卷 第9期 P88-96
关键词: 银纳米线;柔性透明电极;飞秒激光;辐照焊接;柔性电子
摘要: 为了解决银纳米线受限于高温焊接工艺和物理焊接效率在柔性透明材料应用上存在瓶颈的问题,结合飞秒激光纳米焊接工艺制备了银纳米线/PMMA/PDMS柔性在可见波段透明的电极,通过对不同激光波长与不同银纳米线交叉角度间的相互作用进行数值模拟,摸索了激光焊接辐照强度以及银纳米线沉积密度的最佳工艺参数。研究结果 ...