MobileRead Forums - View Single Post - The secret behind the new Paperwhite: E Ink Carta

Alexander Turcic · 09-04-2013, 10:26 AM

Some of us have already wondered what "Carta e-paper technology" is all about when Amazon unveiled the Paperwhite V2 yesterday. Well, here we have the answer, folks! Carta is the latest imaging film employed by E Ink for their e-paper screens. According to their website, Carta offers enhanced readability ("a dramatic 50% increase in contrast over earlier generations") and smoother page turns (supporting "the new Regal technology").

E Ink Carta specifications in detail:

Imaging Component: E Ink Carta ePaper Display Film
Contrast Ratio: 15:1 (min)
White State: 74 (min)
Dark State: 19 (max)
Color Resolution (# Bits): 1-Bit (B&W);4-Bit (16 Gray Levels)
% Reﬂectance: 44%
Viewing Angle: Near 180°
Image Update Time: 120 msec (1-Bit)
Update Modes: Full & Partial Page Update, Pipelined
Available Display Sizes: 1.44 to 13.3 in
Display Modules: E Ink Mobius Flexible Display, as well as Glass TFT

Source: spec sheet (PDF)

Related: All-New Kindle Paperwhite V2 (accidentally) unveiled. So what's all new?

09-04-2013, 10:26 AM	#1
Alexander Turcic Fully Converged Posts: 18,175 Karma: 14021202 Join Date: Oct 2002 Location: Switzerland Device: Too many to count here.	The secret behind the new Paperwhite: E Ink Carta Some of us have already wondered what "Carta e-paper technology" is all about when Amazon unveiled the Paperwhite V2 yesterday. Well, here we have the answer, folks! Carta is the latest imaging film employed by E Ink for their e-paper screens. According to their website, Carta offers enhanced readability ("a dramatic 50% increase in contrast over earlier generations") and smoother page turns (supporting "the new Regal technology"). E Ink Carta specifications in detail: Imaging Component: E Ink Carta ePaper Display Film Contrast Ratio: 15:1 (min) White State: 74 (min) Dark State: 19 (max) Color Resolution (# Bits): 1-Bit (B&W);4-Bit (16 Gray Levels) % Reﬂectance: 44% Viewing Angle: Near 180° Image Update Time: 120 msec (1-Bit) Update Modes: Full & Partial Page Update, Pipelined Available Display Sizes: 1.44 to 13.3 in Display Modules: E Ink Mobius Flexible Display, as well as Glass TFT Source: spec sheet (PDF) Related: All-New Kindle Paperwhite V2 (accidentally) unveiled. So what's all new?