12/11@ B.N.Lin Email: [email protected]@unidisplay.com UniDisplay.

12/11@ 元智大學資工書報演講

觸控技術簡介

B.N.LinEmail: [email protected]

UniDisplay

Contents

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

Mobile device

Small Border? Flat surface? Finger Touch? Gesture? Application? Good platform? Brand? Others?

Apple i phone

Flat surface

Contents


Mobile devices

From Cypress

Multi-touch history

Touch Screen Application Map

Contents


Touch panels

Touch panel technologies

Touch via wave

Microsoft surface

1. table 2. IR illuminator 3. IR detector 4. Projector

FTIR – Jeff Han

Frustrated Total Internal Reflection

From perspective pixel

DIY – surface & FTIR

http://uiui.mmdays.com/2008/05/09/diy-surface-table-ii/

DIY – surface & FTIR

透明材質 ( 壓克力 ) 紅外光投光器 (IR Illuminator) 投影機 (Projector) 投影布幕 (Diffuser) 紅外線攝影機 (Webcam) 木材 ( 桌子 ) PC + TouchLib ( 偵測手指的軟體 ) - 反光鏡 ( 大 Table 需求 ) -Lee Filter ( 均勻打光 )

Contents

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

Resistive touch

Pressure to shorting ITO

AMR -

Analog matrix resistive

Capacitive touch

Capacitive – button(0D)/scroll(1D)

Capacitive – 2D

Capacitive touch sense methods

Capacitive – PCAP design

Single capacitance Mutual capacitance DITO Structure Stack Structure

A. DITO structure

B. Stacked structure

Capacitive – single v.s. mutual

Contents


Difficulties on IC solution

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

Conclusion

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

Q and A

12/11@ B.N.Lin Email: [email protected]@unidisplay.com UniDisplay.

Documents

Transcript of 12/11@ B.N.Lin Email: [email protected]@unidisplay.com UniDisplay.