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author：

Lai, Wenzong (Lai, Wenzong.) [1] | Hao, Weijie (Hao, Weijie.) [2] | Xie, Jinlong (Xie, Jinlong.) [3] | Cai, Junhu (Cai, Junhu.) [4] | Jin, Huajian (Jin, Huajian.) [5] | Chen, Yu (Chen, Yu.) [6] | Yao, Ziming (Yao, Ziming.) [7] | Ye, Yun (Ye, Yun.) [8] | Xu, Sheng (Xu, Sheng.) [9] | Yan, Qun (Yan, Qun.) [10] | Guo, Tailiang (Guo, Tailiang.) [11] | Chen, Enguo (Chen, Enguo.) [12]

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EI

Abstract：

Micro-LED,　known　for　its　high　brightness,　wide　color　gamut,　long　lifespan,　and　reliability,　has　attracted　significant　attention　and　holds　great　potential　for　self-emissive　micro-projection　and　near-eye　displays.　However,　current　challenges　in　manufacturing　and　repair　pose　significant　obstacles　to　improving　the　Micro-LED＇s　pixel　density,　thereby　impacting　further　micro-display　developments.　To　address　this,　this　paper　proposes　a　novel　resolution-enhanced　approach　for　Micro-LED　projection　display　that　integrates　a　high-frequency　vibrating　glass　(HVG)　between　the　Micro-LED　display　panel　and　the　projection　lens,　achieving　four　times　the　image　resolution　without　boosting　the　native　resolution　of　the　Micro-LED　panel.　Based　on　the　principle　of　beam　lateral　displacement　and　time　multiplexing,　multiple　spatially　offset　images　of　the　Micro-LED　panel　is　generated　by　controlling　the　HVG＇s　vibration　angle　and　then　superimposed　by　the　projection　lens.　Experimental　results　confirm　the　spatial　image　shifting　effect　through　precise　control　of　the　HVG＇s　vibration　direction　and　angle,　effectively　doubling　the　number　of　horizontal　and　vertical　pixels　respectively.　The　display　resolution　of　the　Micro-LED　projection　is　finally　enhanced　by　four　times—currently　the　highest　in　projection　resolution　enhancement　techniques.　This　proposed　system　pushes　the　boundaries　of　self-emissive　projection　technology　and　offers　a　novel　solution　for　ultra-high-resolution　Micro-LED　displays.　©　2025

Keyword：

Glass Image enhancement Image resolution Light emitting diodes Optical projectors Pixels Time division multiplexing

Community：

  • [ 1 ] [Lai, Wenzong]National and Local United Engineering Laboratory of Flat Panel Display Technology, College of Physics and Information Engineering, Fuzhou University, Fujian, Fuzhou; 350108, China
  • [ 2 ] [Hao, Weijie]School of Advanced Manufacturing, Fuzhou University, Fujian, Quanzhou; 362251, China
  • [ 3 ] [Xie, Jinlong]National and Local United Engineering Laboratory of Flat Panel Display Technology, College of Physics and Information Engineering, Fuzhou University, Fujian, Fuzhou; 350108, China
  • [ 4 ] [Cai, Junhu]National and Local United Engineering Laboratory of Flat Panel Display Technology, College of Physics and Information Engineering, Fuzhou University, Fujian, Fuzhou; 350108, China
  • [ 5 ] [Jin, Huajian]School of Advanced Manufacturing, Fuzhou University, Fujian, Quanzhou; 362251, China
  • [ 6 ] [Chen, Yu]National and Local United Engineering Laboratory of Flat Panel Display Technology, College of Physics and Information Engineering, Fuzhou University, Fujian, Fuzhou; 350108, China
  • [ 7 ] [Yao, Ziming]National and Local United Engineering Laboratory of Flat Panel Display Technology, College of Physics and Information Engineering, Fuzhou University, Fujian, Fuzhou; 350108, China
  • [ 8 ] [Ye, Yun]National and Local United Engineering Laboratory of Flat Panel Display Technology, College of Physics and Information Engineering, Fuzhou University, Fujian, Fuzhou; 350108, China
  • [ 9 ] [Ye, Yun]Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fujian, Fuzhou; 350108, China
  • [ 10 ] [Xu, Sheng]National and Local United Engineering Laboratory of Flat Panel Display Technology, College of Physics and Information Engineering, Fuzhou University, Fujian, Fuzhou; 350108, China
  • [ 11 ] [Xu, Sheng]Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fujian, Fuzhou; 350108, China
  • [ 12 ] [Yan, Qun]National and Local United Engineering Laboratory of Flat Panel Display Technology, College of Physics and Information Engineering, Fuzhou University, Fujian, Fuzhou; 350108, China
  • [ 13 ] [Yan, Qun]Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fujian, Fuzhou; 350108, China
  • [ 14 ] [Guo, Tailiang]National and Local United Engineering Laboratory of Flat Panel Display Technology, College of Physics and Information Engineering, Fuzhou University, Fujian, Fuzhou; 350108, China
  • [ 15 ] [Guo, Tailiang]Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fujian, Fuzhou; 350108, China
  • [ 16 ] [Chen, Enguo]National and Local United Engineering Laboratory of Flat Panel Display Technology, College of Physics and Information Engineering, Fuzhou University, Fujian, Fuzhou; 350108, China
  • [ 17 ] [Chen, Enguo]Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fujian, Fuzhou; 350108, China

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Source ：

Optics and Lasers in Engineering

ISSN： 0143-8166

Year： 2025

Volume： 195

3 . 5 0 0

JCR@2023

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ESI Highly Cited Papers on the List： 0 Unfold All

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30 Days PV： 0

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