液晶显示器激光背光光源侧体发光光纤的设计与研究
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摘要
设计并研究了对光纤侧面加工的方法,使光纤侧面发光,从而获得了液晶显示器背光模组所需要的多发光点结构的激光光源。模拟分析了对光纤侧面加工时不同孔深、孔面积、孔几何结构等参数对光纤光场的影响,得到了各个出光点对应光场照度最大值在5%均齐度范围内的光场。
The method of side-surface process of fiber is designed and studied to make the fiber side lighting,then the laser source of multi-spot structure required by liquid crystal display backlight module is obtained.The effects of different depths,areas and geometrical structures of hole on the optical field of the fiber during the side-surface process are simulated and analyzed.The light field is obtained that the uniformity of the maximum luminous intensity of each light spot is within 5% field.
The method of side-surface process of fiber is designed and studied to make the fiber side lighting,then the laser source of multi-spot structure required by liquid crystal display backlight module is obtained.The effects of different depths,areas and geometrical structures of hole on the optical field of the fiber during the side-surface process are simulated and analyzed.The light field is obtained that the uniformity of the maximum luminous intensity of each light spot is within 5% field.
引文
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[2]Xue Sheng.LED back light source for LCD[J].Advanced Display,2005(7):34-37.雪生.用于LCD的LED背光源[J].现代显示,2005(7):34-37.
[3]Liu Jingwei.Research on speckle suppression in laser projection display[D].Jinan:Shandong University,2015.刘敬伟.激光投影显示散斑抑制方法研究[D].济南:山东大学,2015.
[4]Fu Hanyi,Liu Weiqi,Liu Hua,et al.Color-recurrent system in high-definition laser display[J].Optics and Precision Engineering,2014,22(7):1774-1780.付瀚毅,刘伟奇,柳华,等.高清激光显示中的色彩复现系统[J].光学精密工程,2014,22(7):1774-1780.
[5]Graggs G M J,Riechert F,Meuret Y,et al.Speckle characteristics of a laser projector using nonmodal laser emission of a semiconductor laser[C].SPIE,2010,7387:73870O.
[6]Redding B,Choma M A,Cao H.Speckle-free laser imaging using random laser illumination[J].Nature Photonics,2012,6:355-359.
[7]Li Yihui.Research on gamut expansion of laser display[D].Jinan:Shandong University,2012.李义辉.激光显示的色域扩展研究[D].济南:山东大学,2012.
[8]Bergh R A,Kotler G,Shaw H J.Single-mode fiber optic directional coupler[J].IET Electronics Letters,1980,16(7):260-261.
[9]Bai Yinbing.Development of optical fiber-based micro-processing technologies and functional devices[D].Hangzhou:Zhejiang University.白银冰.光纤微加工技术及器件应用研究[D].杭州:浙江大学,2013.
[10]Chryssis A N,Lee S M,Lee S B,et al.High sensitivity evanescent field fiber Bragg grating sensor[J].IEEE Photonics Technology Letters,2005,17(6):1253-1255.
[11]Wang Yiping,Wang D N,Jin Wei,et al.Asymmetric long period fiber gratings fabricated by use of CO2laser to carve periodic grooves on the optical fiber[J].Applied Physics Letters,2006,89:151105.
[12]Chen Huifang,Yan Huimin,Shan Guofeng.Design of two-dimensional bending vector sensor based on selective infiltration of photonic crystal fiber[J].Chinese J Lasers,2016,43(1):0105003.陈慧芳,严惠民,单国峰.基于选择填充光子晶体光纤的二维弯曲矢量传感器设计[J].中国激光,2016,43(1):0105003.
[13]Liu Pengfei,Hao Fenghuan,He Shaoling,et al.A wavelength demodulation method for distributed feedback active fiber grating sensors based on the wavelength scanning technique[J].Chinese J Lasers,2016,43(10):1010002.刘鹏飞,郝凤欢,何少灵,等.一种基于波长扫描的分布反馈有源光纤光栅传感器波长解调方法[J].中国激光,2016,43(10):1010002.
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