e-mail: cychao@phys.ntu.edu.tw 奈米光電與平面顯示器應用 台大物理系 趙治宇 教授 （Chih-Yu Chao） e-mail: cychao@phys.ntu.edu.tw

 Method of Manufacturing Polarizer -Dip-pen Lithography Technology Traditional Polarizer High extinction ratio - perfect alignment High transmission - non-absorption type

Merits of Dip-pen lithography technology Process of Dip-pen lithography technology (~30nm) Merits of Dip-pen lithography technology Free of uniaxial enlogtation O- and E-mode available Potential of LC cell processing integration

Method of Manufacturing Polarizer – Microcontact Printing (CP)

Advantage of Photo-spacer Ball spacer Photo spacer - Glass Spacer or Plastic Spacer etc. - Random Distribution - Cause Diffraction - Lowering Contrast - Lithography Process - Uniform Distribution on TFT - Easy Cell Gap Control Black Matrix Glass Over-Coat Alignment Layer ITO Spacer Glass TFT Spacer Schematic Diagram of TFT-LCD using Spacer

 Method of Manufacturing LCD Photo- spacer -Microcontact Printing Method (CP) Process of CP technology Disadvantages of photolithography Pillar appearance control Merits of CP Technology Lowest material consumption -save cost Available pillar shape control

Method of Manufacturing LCD Photo-spacer using Imprinting Lithography 本發明係運用壓印方式，將間隙劑陣列鑄模押入塗佈於基板表面高分子膜，使間隙劑 陣列圖形轉印至光阻上，並完成蝕刻去除多餘光阻膜，即可製作一均勻分佈之間隙劑 陣列，此間隙劑陣列可作為液晶顯示器所需的間隙劑。

Si-backplane reflective LCD (LCoS) 

Si-backplane Projection TV

 Method of Manufacturing Front Light for Transreflective LCD – Electrostatic Lithography Electrical Field Transfer Transreflective LCD Front Light

New Applications of Flexible/Roll-up Displays, E-book & E-paper  New Applications of Flexible/Roll-up Displays, E-book & E-paper

 Our Strategy is ? Electronic Papers & Books 1. Electrophoretics: E-Ink Technology 2. Xerox PARC’s Ball: True Bistability Our Strategy is ? 8 9

Micro Cavity Array for PD-LCD  Method of Manufacturing micro cavity array by using electrostatic lithography Micro Cavity Arrays for PDLC Displays

Grating Color Filters for LCDs  Principle of Grating Color Filters (CFs) – Non-absorptive Polarizer B. Layet, Stripe Color Separation w/ Diffractive Optics, Applied Optics (1999). Method of Manufacturing CFs using Soft Lithography

Grating Color Filters for LCDs Method of Manufacturing CFs using Electrostatic Lithography

Nanotechnology in LCD Applications   Nanotechnology for LC Alignment  Nanotechnology for LC Filling  Nanotechnology for Optical Films & Components (WVA Films, Diffusor, Collimator, etc.)  Nanotechnology for MicroDisplays (LCoS)  Nano-Optics for LCD New Modes  Nano Dopping Technique for Fast-Response LCD  Many Other Potential Nano Technologies.