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Speaker: Tsung-Wei Pai ( 白宗緯 ) Advisor: Prof. Han-Ping D. Shieh ( 謝漢萍教授 ) Prof. Yi-Pai Huang ( 黃乙白教授 ) Institute of Electro-Optical Engineering, National.

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Presentation on theme: "Speaker: Tsung-Wei Pai ( 白宗緯 ) Advisor: Prof. Han-Ping D. Shieh ( 謝漢萍教授 ) Prof. Yi-Pai Huang ( 黃乙白教授 ) Institute of Electro-Optical Engineering, National."— Presentation transcript:

1 Speaker: Tsung-Wei Pai ( 白宗緯 ) Advisor: Prof. Han-Ping D. Shieh ( 謝漢萍教授 ) Prof. Yi-Pai Huang ( 黃乙白教授 ) Institute of Electro-Optical Engineering, National Chiao Tung University, Hsinchu, Taiwan Mar. 17 2007 3-Dimension Touch Panel

2 2 Advanced Display Optics Lab Outline  Introduction  3D Touch Panel  Simulation Results  Experimental Setup  Conclusions & Future works

3 3 Advanced Display Optics Lab Outline  Introduction  3D Touch Panel  Simulation Results  Experimental Setup  Conclusions & Future works

4 4 Advanced Display Optics Lab Introduction-2D Touch panel (X.Y) X YZ Finger touches Resistor Capacitance Optical apparatus (X.Y)

5 5 Advanced Display Optics Lab Introduction-3D Display X YZ Depth information (Z coordinate)

6 6 Advanced Display Optics Lab Introduction-3D Touch panel Issue: 1.Volume 2.Cost Motivation: Small volume, Integrated 3D Touch Panel

7 7 Advanced Display Optics Lab Outline  Introduction  3D Touch Panel  Simulation Results  Experimental Setup  Conclusions & Future works

8 8 Advanced Display Optics Lab 3D Touch Panel 1 2 3 4 5 6 ………….. Z X Y Intensity Position Sensor Odd Even Disparity Disparity changes with height of hand. We can determine the z-coordinate from Disparity. Barrier

9 9 Advanced Display Optics Lab 3D Touch Panel (x-coordinate) Intensity Position Z X Y Maximum We can determine the x-coordinate from Maximum.

10 10 Advanced Display Optics Lab 3D Touch Panel (y-coordinate) Intensity Z X Y Position We can determine the y-coordinate from Maximum. Maximum

11 11 Advanced Display Optics Lab Outline  Introduction  3D Touch Panel  Simulation Results  Experimental Setup  Conclusions & Future works

12 12 Advanced Display Optics Lab Simulation Results-z coordinate Z X Y From the obvious disparity, we have the proof of our proposal. Disparity

13 13 Advanced Display Optics Lab Simulation Results-z coordinate (Disparity & Height ‘s relation) Z X Y 2.5 inches Between 0mm~30mm, the simulation results fit our proposal.

14 14 Advanced Display Optics Lab Simulation Results-x & y coordinate Z X Y Maximum The x & y coordinate can be determined from the position of the Maximum.

15 15 Advanced Display Optics Lab Outline  Introduction  3D Touch Panel  Simulation Results  Experimental Setup  Conclusions & Future works

16 16 Advanced Display Optics Lab LED PCB Barrier LC PANEL Diffuser Camera Experimental Setup LC Panel Width:39mm Length:55mm Thickness:1.8mm The LED replaces human’s hand, and camera captures the intensity distribution.

17 17 Advanced Display Optics Lab Experimental Setup-LC Panel Barrier LC PANEL We get the odd & even sensor’s image by using camera

18 18 Advanced Display Optics Lab Outline  Introduction  3D Touch Panel  Simulation Results  Experimental Setup  Conclusions & Future works

19 19 Advanced Display Optics Lab Conclusions 1.The 3D touch panel provides us a more convenient human-machine interface. 2.The simulation results fit our proposal very well. 3.Our proposal wants to keep the value of the flat panel display

20 20 Advanced Display Optics Lab Future Works Short term: Realizing a small size, integrated, and value added 3D Touch Panel. Long term: Realizing multi-point 3D touch panel.

21 21 Advanced Display Optics Lab Thank you for your kind attention.

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