Editie: Welke touchscreenkeuze maak ik ..
door
Jaap Eising Salesmanager Nederland www.clicktouch.eu
Clicktouch International Clicktouch-America Quebec Canada
Clicktouch NV Headquarters Gavere België
HQ www.clicktouch.eu
Clicktouch-China Shenzhen China
TouchScreen thoughts! • •
• • • • • • • •
Is één van de oplossingen voor HMI, niet dé oplossing. Er is geen perfecte HMI-oplossing. Tevens: elke applicatie heeft zijn eigen HMI methode Touchscreen zal bestaande schakelaars en menbramefolieprojecten voor 90% vervangen. Ook zonder LCD kan touchscreen worden toegepast. Grote vrijheid in design. Gebruiker kan zelf de HMI bepalen. Eenvoud in constructie – plakwerk vervangt schroeven! Belangrijk toegepast component: transparent conductor Ink (Indium Tin Oxide) Vinger én styluspen Touchscreen voor slechtzienden? Constructie eenvoudig
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Types of Analogue Touch Screens •
Five basic formats (mainstream) – Resistive (dual-layer) ← – Projected Capacitive ← – Surface Capacitance (single-layer) – Surface Acoustical Wave (SAW) – Infra-red (IR)
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Other Emerging touchscreen technologies
And 10 more….. www.clicktouch.eu
Technology Comparison Damage Resistant
Weather Resistant
Material Diversity
Size Scalability
Longevity
Low Cost
Infrared
Resistive
Surface Acoustic Wave (SAW)
Surface Capacitance
Projected Capacitance
Worst
Best
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Technology Comparison Resistive - Tends to collect dust and dirt - Added cost to make waterproof - Custom button shapes add cost Infrared - Weak mechanical performance - Membrane wears down and cracks - Sensitivity decreases Projected Capacitive + Moisture resistant + Full freedom on button design + No performance degradation over time + Cost effective solution
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Technology Comparison Resistive - Tends to collect dust and dirt - Added cost to make waterproof - Custom button shapes add cost Infrared - Weak mechanical performance - Membrane wears down and cracks - Sensitivity decreases Projected Capacitive + Moisture resistant + Full freedom on button design + No performance degradation over time + Cost effective solution
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Touchscreenmark to size and technology (2010)
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Market Analysis
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Keuze touchscreen
Ergonomie het bedieningsgemak maakt een apparaat succesvol. de computer gaat voor ons denken. alleen de toetsen en de informatie waar het om gaat worden getoond Styling het uiterlijk, het design bepaald de “aai-factor” Innovatieve constructie maakt apparaat compleet Hype de gebruiker wil de nieuwste technologie Door “Consumarization” meer tablet-achtige bediening op het werk. Prijs touchscreen is soms 50% van de productiekosten
Leverbaarheid markt wordt overspoeld door displays en TS-technologieën (prijsverlaging)
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Keuze touchscreen Touchscreen met front = 50% van de productiekosten
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Multi-touch ? 2-touch 4-touch 10-touch 10 tot 100 touch
Heeft de gebruiker multitouch nodig? Nee, niet echt! - Gaming - Gadgets - Musea - Multi-user - Oplossing ongewenste invoer (handpalm etc) Software: Windows 7 supports multi-touch throughout the OS and is structured to support an “unlimited” number (~100) of simultaneous touch points Android, iOS and Linux support 4-5 touches www.clicktouch.eu
Touchscreen forecast
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Resistive touchscreen
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Resistive touchscreen
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Resistive touchscreen
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Projected Capacitive Touchscreen (PCTS)
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PCTS •
Ideal for applications requiring – – –
Sensing through thick overlays No calibration Multi-touch detection
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E-field forced above sensing surface
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Requires patterned ITO – –
•
Single or dual-layer Creates multiple sensing elements
Sense-pads must be small (6-10mm) for resolution Advantages Disadvantages – Determined by size of finger No calibration required – device remains accurate over PVT and life
More complex production (2-layer) and connection
Capable of simultaneous detection of multiple finger presses – works through thicker material (eg gloved hands)
Wide connection cable, typical mobile phone panel would require > 15 wires
Low sensitivity to ITO resistance if SigmaDelta, Successive Approximation or similar methods used
Sensitive to some types of measurement
PCTS
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PCTS Self capacitance
Mutual capacitance
Older technology
Newer technology
Industrial market
Consumer market
1 – 2 touch
Multi finger touch
Super SNR ratio
Normal SNR ratio
Simpler lowcost controller
More complex, higher cost controller
Waterproof
No waterproof
Best EMC specifications
Difficult EMC specifications
Het verschil zit in de firmware van de controller. Niet in de touchscreensensor.
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PCTS
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PCTS
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PCTS
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PCTS
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PCTS
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PCTS Applications • every mobile device: smartphone, tablets, laptops, medical devices, industrial machines, …. • Every small electronic product: fitness, POS, retail signage, all consumer device, etc… • Only to big screens (>21 inch) there will be competition other technology)
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Controllerchip
Texas Instruments Atmell 3M Touch Analog Devices Semtech Broadcom Cirque Elan Freescale Pixcir Symaptics
Maxim Avago Pixcir Sitronix EETI SIS Melfas Broadcom
Controllermodule
TPK Clicktouch Wintek Synaptics Nissha EETI Panjit Digitech EETI
CMI Young Fast Touch International DH Electronics Etc…
Etc….
Only Cypress PSoC : “open source” firmware.
Clicktouch touchsensor can work with any controller but for only Cypresscontroller we give technical backup. www.clicktouch.be
PCTS Cypress Quality • Highest SNR (signal/noise reduction) • Fastest Refresh & Scan Rates • Lowest Power Consumption • Superior Accuracy & Multi-Finger Linearity • Unmatched Advanced Features • Best touch performance • Single chip solution • Customer always perform with newest firmware Unrivaled Touch Leadership Cypress has the world's broadest portfolio of touchscreen solutions. More companies have adopted the technology than anyone else in the industry. They have been granted dozens of touchscreen patents, and have hundreds more touch-specific patents pending. The continued leadership in the touchscreen space means that they respond to new challenges and market trends with truly innovative solutions.
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Unique features:
PCTS Cypress
Self and Mutual capacitance sensing on the same chip.
Hover: Senses and tracks a finger hovering above the surface of the touchscreen Works with gloves and long fingernails. Opens a new world of UI possibilities for 3D displays, gaming applications, and more SLIM™ Single-Layer Independent Multitouch Sensor for screens up to 4.5” Slashes manufacturing cost with only one ITO layer and no bridges No bezel required for borderless designs Display Armor™ Developed specifically to overcome display noise to detect and neutralize noise No air gaps or shields needed Charger Armor™ Unmatched noise immunity - up to 95 Vpp Improves SNR and reduces phantom touches Works effectively with the noisiest third-party chargers for noticeably improved performance
Waterproofing Works with wet or sweaty fingers and isn't affected by water on the surface Devices in production today use TrueTouch to meet strict IP-67 waterproofing standards 1mm Stylus Support (point as small as 1mm) www.clicktouch.eu
PCTS Firmware •
Software (hexfile -licensed library) in de controller dat aangepast is voor de touchsensor / applicatie. - Vorm en afmeting - CTS-sensor - Aantal rijen en kolommen - Vorm ITO rijen en kolommen - Invloed LCD panel (bezel/ verlichting etc.) - Invloed magnetische straling - Waterbestendigheid - Communicatie usb/i²c - Pinning chip - Treshold etc
•
Aankopen of zelf maken (Licentie)
•
Standaard touchscreen/controller = Firmware gratis meegeleverd
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Voordelen 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16.
Clicktouch Projected Capacitive Touchscreen
Rijen en kolommen aansluiting tweevoudig uitgevoerd (= contact ITO rijen aan twee zijden) geen uitval, bij bv doorboren blijft deze aan weerskanten functioneren Blijft functioneren bij glasbreuk (Er hoeft niet meteen een servicemonteur te komen).Clicktouch ITO pattern robuuster en stabieler. Montage op Glas, PMMA of Polycarbonate Eenvoudig te combineren met buttons, slider en wheels Minimaal gevoelig voor stress. Minimaal gewicht door toepassing foliesensor Zeer grote signaal/ruis verhouding Grotere temperatuurbereik vanwege toepassing ITO op film. Waterproof (functioneert bij stromend water) Supports hele dikke handschoenen Auto-tuning Auto-Shielding geïntegreerd (oa geen last van LCD’s en EMI > industriële specificaties) werkt probleemloos met RFID Slechts 1 aansluitstaart (vereenvoudigd assemblage) Staart gemonteerd op film en niet op hardglas: minder kans op breken. Aansluitstaart kan naar wens op elke positie geplaatst worden. (vrijheid in constructie) Keuze uit: chip op eigen besturing of standaard controllerboard
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Voordelen Clicktouch Projected Capacitive Touchscreen 17. Besturing met slechts 1 lowpower chip 18. Chipfabrikant Cypress. Unieke samenwerking Clicktouch-Cypress. Cypress is een van de grootste chipfabrikanten in de wereld en grootste van Projected capacitief touchscreen Chips (Apple, Sony, Nokia, Philips, HP etc). 19. Chip uit voorraad verkrijgbaar via de bekende distributeurs (Arrow, Future, Silica, Farnell, Mouser, Digikey ) 20. Cypress-chips zeer prijsgunstig 21. Keuze uit self-sensing, mutual-sensing en combinatie van deze twee. Selfsensing is multigesture, Mutualsensing is multitouch tot 10 vingers 22. Supports alle industriële specificaties 23. Ook standaard touchscreen (geen ontwikkelkosten). Let op: sommige LCD's hebben afwijkende afmetingen. 3.5 – 12.1 inch self capacitance 3.5 – 19.0 inch mutual 24. Oók afwijkende maten en positie/lengte staart leverbaar. 25. Clicktouch/Cypress eigen ontwikkeling met 12 jaar ervaring. 26. Ondersteuning touchscreen, controller en firmware in eigen huis.
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Water immunity • Waterproof sensing is important in the white goods, small home appliances, automotive applications, various industrial systems • Water films or drops increase the sensor capacitance, causing the possible false touch detection
• Two Levels of Waterproof • No false trigger in presence of water • Button work well with covered water film • Watch the demo on de Clicktouch stand Cypress PSoC support both by hardware !
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Embedded
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Clicktouch PCTS
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Surface Acoustic Wave
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Infrared
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Camera based
• Whiteboards • 15 tot 120 inch
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Compare
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Compare
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There’s no perfect touch technology!
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Runner-up?
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Construction (PCTS)
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Construction (PCTS) Waarom sensorfolie achterop glasfront? • geen luchtspleet , stabiele constructie en optimale gevoeligheid • bij sensor op display is keuze type display beperkt. (second source?) • sensorfolie kan groter dan display zijn. (extra toetsen naast display) • keuze uit Mutual of Selfcap
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Construction (PCTS)
Mountingbrackets Electronics on glass panel www.clicktouch.eu
Construction (PCTS) Combination of every capacitive solution (buttons, touch screen, wheels and slider) with every kind of technology (Ag/Silver, Polymer and ITO) This makes that you can design the application where you always dreamt about! ITO Polymer Keys Slider Wheel
Touchscreen
Combined solutions
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Construction (PCTS)
Combination of different HMI-technologies
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Construction (PCTS)
• Deadfront-technology
• Expand your touchscreen
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Construction (PCTS)
Bending touchscreen only with PCTS www.clicktouch.eu
Construction
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Workshop THE FIRST PROJECTED CAPACITIVE BENELUX WORKSHOP (TrueTouch and CapSense) Arrow – Cypress - Clicktouch Oneday technical workshop to learn all about Projected Capacitive touchscreens, the controllers and to program it. It’s a free workshop but registration is required. When attending this workshop, everbody gets a 7” Projected Self Capacitance and Project Mutual Capacitance evalution-kit! You can borrow our innovative solutions for 1 month. Date: 6 march 2013 Location: Utrecht
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