1. 12/11@ B.N.Lin Email: bnlin@unidisplay.combnlin@unidisplay.com UniDisplay

2. Contents Mobile device v.s. TP Touch product & history Touch panel introduction Detect method on touch panel Difficulties on the IC solution

3. Contents Mobile device v.s. TP Touch product & history Touch panel introduction Detect method on touch panel Difficulties on the IC solution

4. Mobile device Small Border? Flat surface? Finger Touch? Gesture? Application? Good platform? Brand? Others? Apple i phone

5. Flat surface

7. Contents Mobile device v.s. TP Touch product & history Touch panel introduction Detect method on touch panel Difficulties on the IC solution

8. Mobile devices

9. From Cypress Multi-touch history

10. From Cypress Multi-touch history

11. Touch Screen Application Map

12. Contents Mobile device v.s. TP Touch product & history Touch panel introduction Detect method on touch panel Difficulties on the IC solution

13. Touch panels

14. Touch panel technologies

15. Touch via wave

16. Microsoft surface 1. table 2. IR illuminator 3. IR detector 4. Projector

17. FTIR – Jeff Han Frustrated Total Internal Reflection From perspective pixel

18. DIY – surface & FTIR http://uiui.mmdays.com/2008/05/09/di y-surface-table-ii/ http://uiui.mmdays.com/2008/05/09/di y-surface-table-ii/

19. DIY – surface & FTIR ( ) (IR Illuminator) (Projector) (Diffuser) (Webcam) ( ) PC + TouchLib ( ) - ( Table ) -Lee Filter ( )

20. Contents Mobile device v.s. TP Touch product & history Touch panel introduction Touch Detect method Difficulties on the IC solution

21. Resistive touch Pressure to shorting ITO

22. AMR - Analog matrix resistive

23. Capacitive touch

25. Capacitive – button(0D)/scroll(1D)

26. Capacitive – 2D

27. Capacitive touch sense methods

28. Capacitive – PCAP design Single capacitance Mutual capacitance DITO Structure Stack Structure A. DITO structure B. Stacked structure

29. Capacitive – single v.s. mutual

30. Contents Mobile device v.s. TP Touch product & history Touch panel introduction Detect method on touch panel Difficulties on the IC solution

31. Difficulties on IC solution Market IO number Panel Size Compatible with panel IC & component power consumption Spec. define Patent Others?

32. Conclusion Small size - touch with finger Large size - touch with finger + pen Many Solutions Many Questions Many Opportunities

33. Q and A