Interactive Technology Overview Interactive Technology Overview Out-Cell (Add On) On-Cell In-Cell Hybrid

Date : 20130531 Time : 13:30~15:00 Speaker : (Chen-Pang Kung) Cellular : +886-920-148235 Email : eric_kung.tw@yahoo.com.tw 1

AUO : One Glass Solution (OGS), Advance Post Process (APP) CMO : Window Integrated Sensor (WIS) Wintek : Advanced Technology Touch (ATT) TPK : Touch On Lens (TOL) Melfas : Direct Patterned Window (DPW) Samsung : G2 Cover Glass Cover Glass with TP Display Module One Glass Structure Touch Panel (Glass or PET) Display Module Cover Glass Display Module with TP In-Cell Structure

Single Glass Process Sheet Type Process (OGS) Chemical Strength Soda-Lime Glass Strength? Strengthened Glass Sheet Base Process Shaping and Forming strength loss High Cost Sensor Device with Cover Glass

Single Glass Process Piece Type Process (TOL) Shaping and Forming Soda-Lime Glass Alignment? Chemical Strength Low Temperature Process Alignment Throughput High Cost

Source: Displaybank, Capacitive Touch Panel Technology by Structure & Process Analysis, June 2011 On-Cell : Samsung Super AMOLED GG Type : TPK,, () GFF Type :, G1F Type :,, ITO Glass () G2 Type :,. (, Cover Glass) In-Cell : (HTC EVO Design)

Cover Lens Sensing Electrode Adhesive Layer PET Film Driving Electrode Adhesive Layer Display Module Cover Lens Adhesive Layer Sensing Electrode Glass Driving Electrode Adhesive Layer Display Module GG2 GG OGS Cover Lens Adhesive Layer PET Film Sensing Electrode Adhesive Layer Driving Electrode PET Film Adhesive Layer Display Module Cover Lens Adhesive Layer Sensing Electrode Driving Electrode Glass Adhesive Layer Display Module Cover Lens Adhesive Layer Sensing Electrode PET Film Driving Electrode Adhesive Layer Display Module Cover Lens Sensing Electrode Driving Electrode Adhesive Layer Display Module G1F GFF GF2 GF Cover Lens Adhesive Layer Sensing Electrode Driving Electrode PET Film Adhesive Layer Display Module DITO SITO-1L SITO-1.5L SITO-2L Sensing Device (Rx) Substrate Sensing Device (Tx) Sensing Device Substrate Self or Mutual Cap. Bridge Insulator Sensing Device Substrate Sensing Device (Rx) Insulator Sensing Device (Tx) Substrate

Film Type Touch Panel Integration for On-Cell or On-Cell hybrid In- Cell structure Large/Medium size application Increase flexibility for high performance and low cost productions Issues Optical performance Resistance (Wire) Flexibility 8

臨率 (Rc) 不率量率 (tc) 率來量數

Metal Oxide Transparent Conductor Probe Wavelength (nm) 12

CNT Transparent Conductive Film High transparent conductivity Surface resistance 500 / Total light transmittance >90 Neutral color High bend durability =5 mm;20 timesr/r0 < 1.1 High reliability (Heat & humidity etc.) 60;90% RH;500 hr R/R0 <1.2 Laser patterning 13

CNT Touch Panel 14

Flexible Transparence Conductive Material Ag Nano Wire Transmission Rate : > 98% at 30Ω/ Flexibility : 6mm Radius and 350g stress force TPK + Cambrios -> TPK FilmSolutions Inc. 15

LG Announces World s s First ClearOhm Film-based AiO PC Fast response enabled by low resistance ClearOhm film Windows 8 Certified Thin and light sensor unachievable with ITO Validates performance and value proposition for large area touch panels LG V325 23 AiO PC

Flexible Touch Sensor Xsense Base on roll to roll metal mesh technology embedded in poly (ethylene terephthalate) (PET) plastic substrate, to replace traditional ITO material Implement truly unique industrial designs with narrow borders or edgeless Enabled to develop products with curved surfaces, or even add functionality on edges 17

Flexible Transparence Conductive Material Metal Mesh 5 m tracks on a 200 m pitch gives a net transmission of 95% At 50 m/ track resistance mesh has an effective conductivity of 2 / 18

Metalized Mesh (Etched Copper Metalized Film) Cu layer thickness:1.5~ 2.5m Good peel-off strength and chemical strength Black surface is available

PolyIC

3M Patterned Transparent Conductor (PTC)

New Transparent Conductive Film 23

ITO Flexibility SITO 1L ITO (120nm) Toray Over Coat (1.2um) PI Substrate (15um) OCA (25m) Metal foil (30m) ~11.8mm ~9.8mm ~55um 50m 500m 5 mm ITO Line Width 500um 5 mm 10 mm 6.7 mm Inward Bending Radius 7.5mm and NPD around 55um 150,000 times ; Resistance Variation < 10% (Max 4.88%) 24

/(UV) () (25um~60um) (Metal Mask)

- SET () 200-400 ohm/sq 400mF () 10 9 ohm/sq 3nF 26

Now PET and Tempered Glass Issues Optical Performance Cost Safety Next COP? Colorless PI? PMMA? 50um or < 50um? Substrate 27

Ultra Thin Touch Glass Source : Micro Technology

Thanks for your attention 29