Amazon Kindle D00111 Manuale Utente Scaricare il pdf (Pagina 15)

Technology Manu‐

facture

Bi‐

stabi

lity

Reflect.

or

Viewing

Angle

CR Refres

hRate

Res. Matrix

Addressing

Bichromal Gyricon Yes NA NA Long 100 dpi Active

E-Ink Yes 35% 10:1

0.74s to

170 dpi Active

SiPix Yes 40% 10:1 0.3 s High Active

Electro-

phoretic

LG-

Philips

Yes 180° NA NA

4096

colors

Active

Nemoptic Yes 120°

15:1

6.5:1

0.15s to

0.43s

200 dpi Passive

Frontech

Fujitsu

Yes 30% 6:1

2.3s to

10s

NA Passive

Kent Yes 40% 25:1 25 ms NA Passive

LC Tec

Yes NA NA NA 55 dpi Passive

Zenithal

Bistable

Tech.

(ZBD)

Yes NA NA NA NA Passive

Cholesteric

LCD

Nanox Yes

Wide

Viewing

Angle

NA NA Good Passive

Liqua

vista

No 70% 15:1 10 ms 170 ppi Active

Electro-

wetting

Advanced

Display

Tech.

Yes

Wide

Viewing

Angle

High Fast High NA

Aveso Yes >160º High < 1 sec NA Passive

Acreo AB Yes NA NA NA NA Active

Ntera Yes NA NA NA NA Active

Electro-

chromic

Siemens Yes NA NA NA NA

TOLED Kodak No 160° High Fast NA NA

P-Ink Yes NA NA NA NA NA

Others

Bridge-

stone

Yes 30% 10:1 0.2ms NA Passive

Table 2.2: E-Paper manufacturing companies grouped by technology.

2.4.9 Future of E-paper

Although E-paper has been around since the early nineteen seventies, its use was not

commercially seen anywhere. The factors that hindered its commercial development were its

contrast ratio and the fact that microelectronics was still in its early stages. Presently several

products made from e-paper have reached the consumer electronics market and many more

are still in their development process. The E-Paper screen market is currently dominated by E-

Ink, which has provided the screen for most of the E-Readers available in the market. E-Inks

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