UniDisplay Inc. A projective-capacitive touch sensor maker for electronica 2008 Unimicron Website: Contacts: Jeng-Maw Chiou,

UniDisplay Inc.

A projective-capacitivetouch sensor maker

for electronica 2008

Unimicron

Website: http://www.unidisplay.com/Contacts: Jeng-Maw Chiou, [email protected]

Frank Tsou, [email protected]

World Class Quality CONFIDENTIAL Unimicron

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NATIONAL QUALITY AWARD明興光電股份有限公司 CONFIDENTIAL UniDisplay

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Agenda

Touch Sensors and the Market TrendManufacturing of Projective-Capacitive

Touch ModulesIntroduction of UniDisplay --- A

projective-capacitive touch sensor maker


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Merits of multi-touch applications

Intuition inducingSmooth interactionDynamic interactionFriendly interaction…etc.

Much more new applications to be created in the near future.

The new applications will inevitably spread into most human interface intensively used applications.

Multi-touch

iPhone


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Projective-Capacitive

Surface-Capacitive

ResistiveSurface

acoustic waveInfrared

Multi-touch ● ● ● ▽ ▽ ▽ ● ● ●

Durability ● ● ● ● ● ● ● ● ● ●

Weather resistance

● ● ● ● ● ● ● ●

Transmittance ● ● ● ● ● ● ● ● ● ● ●

Size scalability ● ● ● ● ● ● ● ● ● ● ● ● ●

Low Cost ● ● ● ● ● ● ● ●

Comparisons of touch panel technologies

Although IR method can also offer the multi-touch capability, projective-capacitive touch panel technology is the most suitable for portable devices.


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1

2

3

4

5

67891011

Finger Touch Point

Source: WINTEK

Projective-Capacitive Touch

Applicable for multi-touch. Patterned ITO is needed for compact design.

Metal

ITO

Glass (or Insulator)

ITO


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Estimated Capacitive T/P Market Shipment

Source: Touch Screen Report 2008, DisplaySearch

2007 2008 2009 2010 2011 2012 2013 2014 2015

Revenues(US$ Millions) $143 $280 $301 $313 $349 $375 $412 $447 $496

Revenues YoY Growth(%Basis) 96% 8% 4% 11% 7% 10% 9% 11%

-50%

-30%

-10%

10%

30%

50%

70%

90%

110%

$0

$100

$200

$300

$400

$500

$600

Reve

nues

(US$

Mill

ions

)


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The market share by touch methods

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The estimated growth rates of surface- and projective-capacitive touch is about 4 and 280%, respectively, from 2007 to 2008.

It implies that projective-capacitive touch will contribute the major part of the growth.


2007 2008

Shipments(1,000 Units) 11,684 44,074

Revenues(US$ Millions) $49 $172

$0$20$40$60$80$100$120$140$160$180$200

05,000

10,00015,00020,00025,00030,00035,00040,00045,00050,000

Ship

men

ts(1

,000

Uni

ts) &

Rev

enue

s(U

S$ M

illio

ns)

Projected Capacitive

2007 2008

Shipments(1,000 Units) 4,348 4,527

Revenues(US$ Millions) $93 $108

$85

$90

$95

$100

$105

$110

4,250

4,300

4,350

4,400

4,450

4,500

4,550

Ship

men

ts(1

,000

Uni

ts) &

Rev

enue

s(U

S$ M

illio

ns)

Surface Capacitive


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Touch screen application map


Low

Mark

et

Share

Hig

h

Small Screen size Large


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Agenda


Touch ModulesIntroduction of UniDisplay --- A



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LCD Panel

OCA (Film or Liquid)

Sensing Glass

OCA (Film or Liquid)

Cover (Glass or PMMA or PC)

Optics treatment

Touch Module Structure


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Several Several Photolithography Photolithography

cyclescycles

Several Several Photolithography Photolithography

cyclescycles

3 Masks3 Masks

PhotoPhoto EtchEtchGlass Sheets

Sensing Glass Process Flow

ITO/Metal coating Photo-Etching Finished Sensing Glass

ITO

Metal

Glass or InsulatorITO

Coating Processes


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Cover Glass

LCM

Sensing Glass

Glass Cutting

FPC Bonding

Cover Laminating

Touch Module Process Flow

LCM Laminating

Finished Touch Module


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Merits of full lamination

3 mirror reflection

planes existing

1 mirror reflection

plane existing

LCD Module

Cover Glass

Backlight

Air Gap

Reflected lights harm viewing ability

Incident light Panel light decayed

Reflected lights

LCD Module

Cover Glass

Backlight

OCA

Incident lightReflected light

Panel light

Reflected light


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Agenda


Touch modulesIntroduction of UniDisplay --- A



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UniDisplay Profile

A Projective Capacitive Touch Panel Manufacture Established: 2007.11.01 Employee: 150 (will be over 500 after 2009/Q1) Capacity: 24 M pcs/year (2”-7”)

10 M pcs/year (7”~24”) Factory Site: Taiwan & China Registered Capital: NTD 1.7B (~US$ 54 M) Chairman of Board: T.J. Tseng President: Dr. M.R. Chen Related Groups: UMC and Unimicron


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UMC Group

Unimicron Group

UniDisplay

UMC and Unimicron Groups

InvestmentInvestment

Joint InvestmentJoint Investment

. Novatek 聯詠. SiS 矽統. ITE 聯陽. PixArt Imaging 原相. Faraday 智原Other Investments related to IC Design

Other Investments related to IC Design


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Plants overview

Taiwan China

HsinFung Plant

HsinFung Town Hsinchu CountyNorth of Taiwan

ChungShin Plant

ChuTung TownHsinchu CountyNorth of Taiwan

Planed China Plant

ShenZhenGuangdong

South of China


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Available Product Formats

Major product formats we can provide:

1. Touch sensor only (without IC, Cover Lens)

2. Touch module (with IC, Cover Lens)

3. Total module (with touch module + LCM)

Cover Lens

Touch Panel

LCM

Projective Capacitive Touch Module


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Exampled Product Formats

T/P+cover-lens+FPC+IC T/P+cover-lens+COF(Flex) T/P+cover-lens+COF+LCM

T/P only T/P+cover-lens+FPC


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Exampled Touch Products

I/O Channel total No. 21 21 22

Long side channel No. 12 12 14

Short side channel No.

9 9 8

Metal line width/space 30μm/30μm 30μm/30μm 30μm/30μm

ITO line width 200μm 200μm 200μm

OA size (mmXmm) 55.44x79.3 61.74x76.44 66.2x103

Transparency >88% >88% >88%

3.2” 4.3”3.5”


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Demo of projective-capacitive touch module

7” Touch Demo


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The scope of the projective-capacitive touch industry

T/P Maker• Sensor structure & circuit design• T/P module & integration• Different design guide

T/P Controller IC• Firmware & sense process design• Interface with T/P Specs.• Hand-writing recognition

System Maker• Interface with T/P & LCD & system• Software & user interface

Source: TouchPad panel theme, Deutsche Bank AG


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Core Competences of UniDisplay

A total solution provider A strong projective-capacitive touch solution

provider who can facilitate the customers/partners to work out customized designs and deliver the products.

Capable of providing controller IC solutions upon the need of the customers.

Capable of providing various product formats.


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Core Competences of UniDisplay

Technical strength, we are capable of providing double and staggered ITO sensors full lamination for cover and LCM narrow edge of sensing glass, down to 1 mm each

side high resolution (S/W = 15um/15um or higher

resolution upon request) high edge quality with laser scriber and C/S

substrate high transmittance ≧ 88%


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ThankThanks fors for youyourr attentionsattentions!!

UniDisplay Corp.(Subsidiary of UMC / Unimicron Group)

Contacts:Jeng-Maw Chiou, [email protected] Tsou, [email protected]

UniDisplay Inc. A projective-capacitive touch sensor maker for electronica 2008 Unimicron Website: Contacts: Jeng-Maw Chiou,

Documents

unimicron slide

touch module slide

touch methods

multi touch iphone slide

touch screen report

agenda touch sensors

multitouch capability

light slide