The Global Market for Stretchable and Conformable Materials and Electronics

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Published April 2018 | 335 pages | Price: £1350 | Table of contents

There is huge global interest in incorporating electronic functions into clothing and wearable devices for applications such as wearable sensing, healthcare, soft robotics and human computer interfaces. These areas will greatly benefit from developing electrical interconnects, sensors, transistors and circuits, lighting elements and power sources that are fully stretchable and conformable.

Electronics and power sources electronics which are not only flexible but also conformable and deformable offer the advantages of conventional devices while ideally maintaining excellent electrical properties under strain. They can stretched like a rubber band and twisted like a rope without any significant reduction in performance. Their development is key to the realization of wearables as they can deform along with soft interfaces such as:

  • textiles.
  • skin.
  • tissue.
  • moving components in devices and robots.

Applications include:

  • Stretchable conductors.
  • Gas sensor textiles.
  • Soft robotics.
  • Wearables in sport and healthcare.
  • Transparent electrodes on textile substrates.
  • Sensory skins.
  • Medical on-body skin patches.
  • Artificial muscles.
  • Battery and supercapacitor textiles.
  • Sensors for diabetes monitoring and therapy.
  • Comfort electronics in apparel and clothing.
  • Formable plastics.
  • Stretchable conductive elastomers.

Report contents include:

  • Future applications in Stretchable and Conformable Materials and Electronics
  • Trends in Stretchable and Conformable Materials and Electronics
  • Applications of Stretchable and Conformable Materials and Electronics
  • Organic and polymeric materials for Flexible and Stretchable Electronics analysis.
  • Components analysis.
  • Over 150 company profiles.
  • Market revenue forecasts to 2028.
The Global Market for Stretchable and Conformable Materials and Electronics
The Global Market for Stretchable and Conformable Materials and Electronics
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The Global Market for Stretchable and Conformable Materials and Electronics
The Global Market for Stretchable and Conformable Materials and Electronics
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The Global Market for Stretchable and Conformable Materials and Electronics
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TABLE OF CONTENTS

1    EXECUTIVE SUMMARY…………………………………………………………. 29

  • 1.1    The evolution of electronics……………………………………………………………………………………………. 29
    • 1.1.1     The wearables revolution……………………………………………………………………………………….. 30
    • 1.1.2     Flexible, thin, and large-area form factors………………………………………………………………. 31
  • 1.2    What are stretchable/deformable electronics?……………………………………………………………….. 33
    • 1.2.1     From rigid to flexible and stretchable……………………………………………………………………… 33
    • 1.2.2     Organic and printed electronics……………………………………………………………………………… 35
    • 1.2.3     New conductive materials………………………………………………………………………………………. 36
  • 1.3    Growth in stetchable/conformable electronics market………………………………………………………. 40
    • 1.3.1     Recent growth in stretchable/conformable products………………………………………………… 40
    • 1.3.2     Future growth…………………………………………………………………………………………………………. 40
    • 1.3.3     Nanomaterials in stretchable electronics………………………………………………………………… 42
    • 1.3.4     Challenges in developing stretchable materials and electronics…………………………….. 43
  • 1.4    Products…………………………………………………………………………………………………………………………. 44
  • 1.5    Global revenues for stretchable/conformable materials and electronics 2018-2028 by market………………………………………………………………………………………………………………………………… 45
    • 1.5.1     Textiles and apparel……………………………………………………………………………………………….. 47
    • 1.5.2     Skin sensors…………………………………………………………………………………………………………… 50
    • 1.5.3     Wearables……………………………………………………………………………………………………………… 50
    • 1.5.4     Batteries and energy harvesting…………………………………………………………………………….. 52
    • 1.5.5     Medical and healthcare wearables…………………………………………………………………………. 55

2    RESEARCH METHODOLOGY………………………………………………… 57

3    INTRODUCTION……………………………………………………………………. 58

  • 3.1    What are stretchable/conformable electronics?……………………………………………………………….. 58
  • 3.2    Approaches for developing stretchable electronics………………………………………………………… 58
  • 3.3    Fabricating stretchable electronics…………………………………………………………………………………. 60
  • 3.4    Main applications of stretchable/conformable electronics?………………………………………………. 62

4    MATERIALS UTILIZED IN STRETCHABLE ELECTRONICS………. 63

  • 4.1    CARBON NANOTUBES…………………………………………………………………………………………………. 63
    • 4.1.1     Properties………………………………………………………………………………………………………………. 63
    • 4.1.2     Properties utilized in stretchable electronics…………………………………………………………… 65
      • 4.1.2.1       Single-walled carbon nanotubes……………………………………………………………………. 66
    • 4.1.3     Applications in stretchable electronics……………………………………………………………………. 67
  • 4.2    CONDUCTIVE POLYMERS (CP)…………………………………………………………………………………… 70
    • 4.2.1     Properties………………………………………………………………………………………………………………. 70
      • 4.2.1.1       PDMS…………………………………………………………………………………………………………….. 71
      • 4.2.1.2       PEDOT: PSS…………………………………………………………………………………………………. 71
    • 4.2.2     Properties utilized in stretchable electronics…………………………………………………………… 72
    • 4.2.3     Applications in stretchable electronics……………………………………………………………………. 74
  • 4.3    GRAPHENE…………………………………………………………………………………………………………………… 75
    • 4.3.1     Properties………………………………………………………………………………………………………………. 75
    • 4.3.2     Properties utilized in stretchable electronics…………………………………………………………… 76
    • 4.3.3     Applications in stretchable electronics……………………………………………………………………. 77
  • 4.4    METAL MESH………………………………………………………………………………………………………………… 80
    • 4.4.1     Properties………………………………………………………………………………………………………………. 80
    • 4.4.2     Properties utilized in stretchable electronics…………………………………………………………… 81
    • 4.4.3     Applications in stretchable electronics……………………………………………………………………. 82
  • 4.5    SILVER FLAKE………………………………………………………………………………………………………………. 83
    • 4.5.1     Silver (Ag) nanoparticle ink…………………………………………………………………………………….. 84
      • 4.5.1.1       Conductivity…………………………………………………………………………………………………… 85
    • 4.5.2     Silver nanowires…………………………………………………………………………………………………….. 86
  • 4.6    COPPER INK…………………………………………………………………………………………………………………. 88
    • 4.6.1     Silver-coated copper………………………………………………………………………………………………. 89
    • 4.6.2     Copper (Cu) nanoparticle ink…………………………………………………………………………………. 89
  • 4.7    NANOCELLULOSE………………………………………………………………………………………………………… 89
    • 4.7.1     Properties utilized in stretchable electronics…………………………………………………………… 90
    • 4.7.2     Applications in printable, flexible and stretchable electronics…………………………………. 91
      • 4.7.2.1       Nanopaper…………………………………………………………………………………………………….. 92
      • 4.7.2.2       Paper memory……………………………………………………………………………………………….. 95
  • 4.8    OTHER MATERIALS……………………………………………………………………………………………………… 96
    • 4.8.1     Liquid metals………………………………………………………………………………………………………….. 96
    • 4.8.2     Other 2-D materials………………………………………………………………………………………………… 96

5    TECHNOLOGY READINESS LEVEL FOR STRETCHABLE/CONFORMABLE ELECTRONICS………………………….. 99

6    STRETCHABLE CONDUCTIVE INKS…………………………………….. 101

  • 6.1    MARKET DRIVERS……………………………………………………………………………………………………… 102
  • 6.2    CONDUCTIVE INK TYPES………………………………………………………………………………………….. 103
  • 6.3    PRINTING METHODS…………………………………………………………………………………………………. 105
    • 6.3.1     Nanoparticle ink……………………………………………………………………………………………………. 109
    • 6.4    Sintering……………………………………………………………………………………………………………………….. 109
    • 6.5    Conductive Filaments…………………………………………………………………………………………………… 110
    • 6.6    Conductive films, foils and grids…………………………………………………………………………………… 110
    • 6.7    Inkjet printing In flexible electronics……………………………………………………………………………… 111
    • 6.8    Stretchable conductive inks………………………………………………………………………………………….. 111
  • 6.9    APPLICATIONS…………………………………………………………………………………………………………… 111
    • 6.9.1     Properties…………………………………………………………………………………………………………….. 112
    • 6.9.2     Current products…………………………………………………………………………………………………… 112
    • 6.9.3     Advanced materials solutions………………………………………………………………………………. 113
      • 6.9.3.1       Graphene stretchable conductive inks…………………………………………………………. 117
      • 6.9.3.2       Carbon nanotubes……………………………………………………………………………………….. 118
    • 6.9.4     Stretchable conductive inks in electronic textiles…………………………………………………. 119
    • 6.9.5     Stretchable conductive inks in printable sensors………………………………………………….. 119
    • 6.9.6     In-mold stetchable conductive inks………………………………………………………………………. 120
      • 6.9.6.1       Applications…………………………………………………………………………………………………. 120
      • 6.9.6.2       Commercially available products…………………………………………………………………. 121
  • 6.10      COMPANY PROFILES…………………………………………………………………………………………….. 124

7    STRETCHABLE TRANSPARENT CONDUCTIVE FILMS (TCF)…. 169

  • 7.1    MARKET DRIVERS……………………………………………………………………………………………………… 169
  • 7.2    APPLICATIONS…………………………………………………………………………………………………………… 173
    • 7.2.1     Flexible and stretchable TCFs……………………………………………………………………………… 174
    • 7.2.2     Advanced materials solutions………………………………………………………………………………. 176
    • 7.2.3     Types of stretchable TCFs…………………………………………………………………………………… 179
    • 7.2.4     Stretchable carbon nanotube TCFs……………………………………………………………………… 180
      • 7.2.4.1       Double-walled carbon nanotubes………………………………………………………………… 181
    • 7.2.5     Graphene……………………………………………………………………………………………………………… 181
    • 7.2.6     Stretchable wearable touchpad……………………………………………………………………………. 183
  • 7.3    COMPANY PROFILES………………………………………………………………………………………………… 184

8    STRETCHABLE SENSORS…………………………………………………… 212

  • 8.1    Current state of the art…………………………………………………………………………………………………. 212
  • 8.2    Advanced materials solutions………………………………………………………………………………………. 214
    • 8.2.1     Conductive nanofibers…………………………………………………………………………………………. 215
    • 8.2.2     Graphene……………………………………………………………………………………………………………… 217
    • 8.2.3     Electroactive polymers (EAPs)…………………………………………………………………………….. 219
  • 8.3    Stretchable conductive elastomers………………………………………………………………………………. 220
  • 8.4    Wearable gas sensors………………………………………………………………………………………………….. 221
  • 8.5    Stretchable strain sensors……………………………………………………………………………………………. 222
  • 8.6    Wearable tactile sensors………………………………………………………………………………………………. 222
  • 8.7    Nanomaterials-based devices………………………………………………………………………………………. 223
  • 8.8    Stretchable medical sensors and health monitors………………………………………………………… 226
    • 8.8.1     Electronic skin for medical wearables………………………………………………………………….. 233
    • 8.8.2     Patch-type skin sensors……………………………………………………………………………………….. 234
    • 8.8.3     Skin temperature monitoring………………………………………………………………………………… 237
    • 8.8.4     Hydration sensors………………………………………………………………………………………………… 238
    • 8.8.5     Wearable sweat sensors……………………………………………………………………………………… 239
    • 8.8.6     UV patches…………………………………………………………………………………………………………… 241
    • 8.8.7     Smart footwear…………………………………………………………………………………………………….. 243
    • 8.8.8     Neural prosthesis…………………………………………………………………………………………………. 243
    • 8.8.9     Aritificial skin………………………………………………………………………………………………………… 244
  • 8.9    COMPANY PROFILES………………………………………………………………………………………………… 244

9    STRETCHABLE ELECTRONIC TEXTILES……………………………… 264

  • 9.1    MARKET DRIVERS……………………………………………………………………………………………………… 264
  • 9.2    APPLICATIONS…………………………………………………………………………………………………………… 267
    • 9.2.1     Current state of the art for electronics textiles………………………………………………………. 268
    • 9.2.2     Stretchable electronics in textiles…………………………………………………………………………. 270
    • 9.2.3     Stretchable and washable……………………………………………………………………………………. 273
    • 9.2.4     Stretchable heaters for wearable thermotherapy…………………………………………………. 273
    • 9.2.5     Powering stretchable E-textiles……………………………………………………………………………. 274
    • 9.2.6     Conductive stretchable fibers and yarns………………………………………………………………. 275
    • 9.2.7     Solar energy harvesting textiles…………………………………………………………………………… 276
  • 9.3    COMPANY PROFILES………………………………………………………………………………………………… 277

10 STRETCHABLE BATTERIES AND ENERGY HARVESTING…….. 291

  • 10.1      MARKET DRIVERS…………………………………………………………………………………………………. 291
  • 10.2      APPLICATIONS……………………………………………………………………………………………………….. 293
    • 10.2.1        Current state of the art…………………………………………………………………………………….. 293
      • 10.2.1.1     Fiber/wire stretchable batteries……………………………………………………………………. 293
      • 10.2.1.2     Kirigami stretchable batteries………………………………………………………………………. 294
      • 10.2.1.3     Origami stretchable batteries……………………………………………………………………….. 294
      • 10.2.1.4     Bridge-island battery design………………………………………………………………………… 294
      • 10.2.1.5     Embedded in stretchable fabrics………………………………………………………………….. 294
  • 10.2.2        Advanced materials solutions………………………………………………………………………….. 296
  • 10.3      Flexible and stretchable batteries…………………………………………………………………………….. 296
  • 10.4      Stretchable supercapacitors…………………………………………………………………………………….. 299
  • 10.5      Fiber-shaped Lithium-Ion batteries…………………………………………………………………………… 301
  • 10.6      Stretchable energy harvesting………………………………………………………………………………….. 302
    • 10.6.1        Stretchable capacitive energy harvesting………………………………………………………… 303
    • 10.6.2        Stretchable piezoelectric energy harvesting…………………………………………………….. 304
    • 10.6.3        Stretchable triboelectric energy harvesting………………………………………………………. 305
  • 10.7      COMPANY PROFILES…………………………………………………………………………………………….. 305

11 STRETCHABLE DISPLAYS………………………………………………….. 313

  • 11.1      MARKET DRIVERS…………………………………………………………………………………………………. 313
  • 11.2      APPLICATIONS……………………………………………………………………………………………………….. 314
    • 11.2.1        Flexible displays………………………………………………………………………………………………. 315
    • 11.2.1.1     Flexible LCDs………………………………………………………………………………………………. 316
    • 11.2.1.2     Flexible OLEDs (FOLED)…………………………………………………………………………….. 318
    • 11.2.1.3     Stretchable AMOLED…………………………………………………………………………………… 319
    • 11.2.1.4     Stretchable electrophoretic displays…………………………………………………………….. 321
  • 11.3      COMPANY PROFILES…………………………………………………………………………………………….. 322

12 STRETCHABLE PRINTED CIRCUIT BOARDS………………………… 323

12.1      APPLICATIONS……………………………………………………………………………………………………….. 323

12.2      COMPANY PROFILES…………………………………………………………………………………………….. 325

13 STRETCHABLE TRANSISTORS……………………………………………. 325

  • 13.1      MARKET DRIVERS…………………………………………………………………………………………………. 325
  • 13.2      APPLICATIONS……………………………………………………………………………………………………….. 326
    • 13.2.1        Stretchable thin film transistors………………………………………………………………………… 326
    • 13.2.2        Stretchable high-performance circuits……………………………………………………………… 328
    • 13.2.3        Stretchable LED lighting…………………………………………………………………………………… 328
  • 13.3      COMPANY PROFILES…………………………………………………………………………………………….. 329

TABLES

  • Table 1: Evolution of wearable devices, 2011-2017……………………………………………………………………. 28
  • Table 2: Advanced materials for printable, flexible and stretchable sensors and Electronics-Advantages and disadvantages……………………………………………………………………………………………. 34
  • Table 3: Sheet resistance (RS) and transparency (T) values for transparent conductive oxides and alternative materials for transparent conductive electrodes (TCE)……………………………………….. 36
  • Table 4: Markets for stretchable electronics……………………………………………………………………………….. 38
  • Table 5: Challenges in developing stretchable electronics…………………………………………………………. 40
  • Table 6: Stretchable electronics products…………………………………………………………………………………… 41
  • Table 7: Global smart clothing, interactive fabrics and apparel market………………………………………. 45
  • Table 8: Global market for wearable electronics, 2015-2027, by application, billions $………………. 48
  • Table 9: Potential addressable market for thin film, flexible and printed batteries………………………. 49
  • Table 10: Properties of CNTs and comparable materials……………………………………………………………. 61
  • Table 11: Types of flexible and stretchable conductive polymers, properties and applications…… 70
  • Table 12: Properties of graphene……………………………………………………………………………………………….. 72
  • Table 13: Advantages and disadvantages of fabrication techniques to produce metal mesh structures……………………………………………………………………………………………………………………………… 77
  • Table 14: Types of flexible conductive polymers, properties and applications……………………………. 78
  • Table 15: Properties of flexible electronics‐cellulose nanofiber film (nanopaper)……………………….. 87
  • Table 16: Properties of flexible electronics cellulose nanofiber films………………………………………….. 90
  • Table 17: Other 2-D materials in stretchable electronics…………………………………………………………….. 93
  • Table 18: Market drivers for stretchable conductive inks……………………………………………………………. 99
  • Table 19: Typical conductive ink formulation…………………………………………………………………………….. 101
  • Table 20:  Characteristics of analog printing processes for conductive inks…………………………….. 103
  • Table 21: Characteristics of digital printing processes for conductive inks……………………………….. 104
  • Table 22: Commercially available stretchable conductive inks…………………………………………………. 109
  • Table 23: Comparative properties of conductive inks……………………………………………………………….. 110
  • Table 24: Applications in conductive inks by type and benefits thereof…………………………………….. 111
  • Table 25: Market drivers for stretchable TCFs………………………………………………………………………….. 166
  • Table 26: Transparent conductive switches-PEDOT………………………………………………………………… 172
  • Table 27: Applications in printable, flexible and stretchable sensors, by advanced materials type and benefits thereof……………………………………………………………………………………………………………. 173
  • Table 28: Types of stretchable TCFs………………………………………………………………………………………… 176
  • Table 29: Graphene properties relevant to application in sensors……………………………………………. 215
  • Table 30: Applications in flexible and stretchable health monitors, by advanced materials type and benefits thereof…………………………………………………………………………………………………………………… 221
  • Table 31: Wearable medical device products and stage of development…………………………………. 226
  • Table 32: Applications in patch-type skin sensors, by materials type and benefits thereof………. 233
  • Table 33: Market drivers for stretchable electronic textiles……………………………………………………….. 261
  • Table 34: Examples of smart textile products…………………………………………………………………………… 264
  • Table 35: Currently available technologies for smart textiles……………………………………………………. 265
  • Table 36: Smart clothing and apparel and stage of development…………………………………………….. 266
  • Table 37: Applications in textiles, by advanced materials type and benefits thereof…………………. 267
  • Table 38: Market drivers for stretchable electronic energy storage…………………………………………… 288
  • Table 39: Wearable energy and energy harvesting devices and stage of development…………… 292
  • Table 40: Applications in flexible and stretchable batteries, by materials type and benefits thereof…………………………………………………………………………………………………………………………………………….. 295
  • Table 41: Applications in flexible and stretchable supercapacitors, by nanomaterials type and benefits thereof…………………………………………………………………………………………………………………… 298
  • Table 42: Market drivers for stretchable displays……………………………………………………………………… 310
  • Table 43: Applications in flexible and stretchable circuit boards, by advanced materials type and benefits thereof…………………………………………………………………………………………………………………… 320
  • Table 44: Market drivers for stretchable transistors………………………………………………………………….. 323
  • Table 45: Price comparison of thin-film transistor (TFT) electronics technology……………………….. 324

FIGURES

  • Figure 1: Evolution of electronics………………………………………………………………………………………………… 27
  • Figure 2: Wove Band………………………………………………………………………………………………………………….. 30
  • Figure 3: Wearable graphene medical sensor……………………………………………………………………………. 32
  • Figure 4: Applications timeline for organic and printed electronics……………………………………………… 33
  • Figure 5: Wearable health monitor incorporating graphene photodetectors……………………………….. 40
  • Figure 6: Global revenues for stretchable/conformable materials and electronics 2017-2027……… 44
  • Figure 7: Global smart clothing, interactive fabrics and apparel market 2013-2027 revenue forecast (million $)………………………………………………………………………………………………………………………………. 45
  • Figure 8 Global smart clothing, interactive fabrics and apparel sales by market segment, 2016… 46
  • Figure 9: Global market for wearable electronics, 2015-2027, by application, billions $…………….. 48
  • Figure 10: Demand for thin film, flexible and printed batteries 2015, by market…………………………. 51
  • Figure 11: Demand for thin film, flexible and printed batteries 2027, by market…………………………. 52
  • Figure 12: Global medical and healthcare smart textiles and wearables market, 2015-2027, billions $……………………………………………………………………………………………………………………………………………. 53
  • Figure 13: Schematic of single-walled carbon nanotube…………………………………………………………….. 64
  • Figure 14: Stretchable SWNT memory and logic devices for wearable electronics……………………. 64
  • Figure 15: Stretchable carbon aerogel incorporating carbon nanotubes…………………………………….. 67
  • Figure 16: Flexible graphene touch screen…………………………………………………………………………………. 74
  • Figure 17: Foldable graphene E-paper……………………………………………………………………………………….. 75
  • Figure 18: Large-area metal mesh touch panel………………………………………………………………………….. 77
  • Figure 19: Silver nanocomposite ink after sintering and resin bonding of discrete electronic components………………………………………………………………………………………………………………………….. 82
  • Figure 20: Flexible silver nanowire wearable mesh…………………………………………………………………….. 85
  • Figure 21: Copper based inks on flexible substrate……………………………………………………………………. 85
  • Figure 22:  Cellulose nanofiber films…………………………………………………………………………………………… 88
  • Figure 23: Nanocellulose photoluminescent paper…………………………………………………………………….. 88
  • Figure 24: LEDs shining on circuitry imprinted on a 5x5cm sheet of CNF………………………………….. 89
  • Figure 25: Foldable nanopaper…………………………………………………………………………………………………… 91
  • Figure 26: Foldable nanopaper antenna…………………………………………………………………………………….. 92
  • Figure 27: Paper memory (ReRAM)……………………………………………………………………………………………. 92
  • Figure 28: Technology readiness level for stretchable/deformable electronics applications……….. 96
  • Figure 29: BGT Materials graphene ink product……………………………………………………………………….. 115
  • Figure 30: Stretchable material for formed an in-molded electronics………………………………………… 117
  • Figure 31: Wearable patch with a skin-compatible, pressure-sensitive adhesive……………………… 118
  • Figure 32: Conductive inks in the flexible and stretchable electronics market 2017-2027 revenue forecast (million $), by ink types………………………………………………………………………………………….. 120
  • Figure 33: Panasonic CNT stretchable Resin Film……………………………………………………………………. 173
  • Figure 34: Stretchable touchpad………………………………………………………………………………………………. 181
  • Figure 35: BITalino systems……………………………………………………………………………………………………… 190
  • Figure 36: Softceptor sensor…………………………………………………………………………………………………….. 210
  • Figure 37: BeBop Media Arm Controller…………………………………………………………………………………… 211
  • Figure 38: LG Innotek flexible textile pressure sensor………………………………………………………………. 211
  • Figure 39: C2Sense flexible sensor………………………………………………………………………………………….. 212
  • Figure 40: <hitoe> nanofiber conductive shirt original design(top) and current design (bottom).. 213
  • Figure 41: Garment-based printable electrodes……………………………………………………………………….. 214
  • Figure 42: Wearable gas sensor………………………………………………………………………………………………. 219
  • Figure 43: BeBop Sensors Marcel Modular Data Gloves………………………………………………………….. 220
  • Figure 44: Graphene-based E-skin patch…………………………………………………………………………………. 221
  • Figure 45: Wearable bio-fluid monitoring system for monitoring of hydration……………………………. 224
  • Figure 46: Smart mouth guard………………………………………………………………………………………………….. 224
  • Figure 47: Connected human body…………………………………………………………………………………………… 225
  • Figure 48: Flexible, lightweight temperature sensor…………………………………………………………………. 226
  • Figure 49: Prototype ECG sensor patch…………………………………………………………………………………… 230
  • Figure 50: Smart e-skin system comprising health-monitoring sensors, displays, and ultra flexible PLEDs………………………………………………………………………………………………………………………………… 232
  • Figure 51: Graphene medical patch………………………………………………………………………………………….. 233
  • Figure 52: TempTraQ wearable wireless thermometer…………………………………………………………….. 235
  • Figure 53: Mimo baby monitor………………………………………………………………………………………………….. 235
  • Figure 54: Nanowire skin hydration patch…………………………………………………………………………………. 236
  • Figure 55: Wearable sweat sensor…………………………………………………………………………………………… 237
  • Figure 56: GraphWear wearable sweat sensor………………………………………………………………………… 238
  • Figure 57: My UV Patch……………………………………………………………………………………………………………. 239
  • Figure 58: Overview layers of L’Oreal skin patch……………………………………………………………………… 240
  • Figure 59: Conductive yarns…………………………………………………………………………………………………….. 272
  • Figure 60: Schematic illustration of the fabrication concept for textile-based dye-sensitized solar cells (DSSCs) made by sewing textile electrodes onto cloth or paper………………………………… 273
  • Figure 61: Energy harvesting textile…………………………………………………………………………………………. 290
  • Figure 62: LG Chem Heaxagonal battery…………………………………………………………………………………. 292
  • Figure 63: Printed 1.5V battery…………………………………………………………………………………………………. 294
  • Figure 64: Enfucell Printed Battery…………………………………………………………………………………………… 295
  • Figure 65: Energy densities and specific energy of rechargeable batteries………………………………. 297
  • Figure 66: Stretchable graphene supercapacitor………………………………………………………………………. 298
  • Figure 67: StretchSense Energy Harvesting Kit……………………………………………………………………….. 300
  • Figure 68: LG Display LG Display 77-inch flexible transparent OLED display………………………….. 311
  • Figure 69:  Carbon nanotubes flexible, rechargeable yarn batteries incorporated into flexible, rechargeable yarn batteries………………………………………………………………………………………………… 313
  • Figure 70: Flexible LCD……………………………………………………………………………………………………………. 314
  • Figure 71: “Full ActiveTM Flex”…………………………………………………………………………………………………. 314
  • Figure 72: FOLED schematic……………………………………………………………………………………………………. 316
  • Figure 73: Foldable display………………………………………………………………………………………………………. 317
  • Figure 74: Stretchable AMOLED………………………………………………………………………………………………. 317
  • Figure 75: LGD 12.3” FHD Automotive OLED………………………………………………………………………….. 318
  • Figure 76: LECTUM® display…………………………………………………………………………………………………… 319
  • Figure 77: Thin film transistor incorporating CNTs……………………………………………………………………. 324