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E Ink

Topic: Company

 From HandWiki - Reading time: 14 min
Short description: Electronic paper manufactured by E Ink Corporation
Scheme of the E Ink technology
Legend Item
1 Upper layer
2 Transparent electrode layer
3 Transparent micro-capsules
4 Positively charged white pigments
5 Negatively charged black pigments
6 Transparent oil
7 Electrode pixel layer
8 Bottom supporting layer
9 Light
10 White
11 Black

File:E Ink Screen updating.webm

E Ink (electronic ink) is a brand of electronic paper (e-paper) display technology commercialized by the E Ink Corporation, which was co-founded in 1997 by MIT undergraduates JD Albert and Barrett Comiskey, MIT Media Lab professor Joseph Jacobson, Jerome Rubin and Russ Wilcox.[1]

It is available in grayscale and color[2] and is used in mobile devices such as e-readers, digital signage, smartwatches, mobile phones, electronic shelf labels and architecture panels.[3]

History

Background

The notion of a low-power paper-like display had existed since the 1970s, originally conceived by researchers at Xerox PARC, but had never been realized.[4] While a post-doctoral student at Stanford University, physicist Joseph Jacobson envisioned a multi-page book with content that could be changed at the push of a button and required little power to use.[5]

Neil Gershenfeld recruited Jacobson for the MIT Media Lab in 1995, after hearing Jacobson's ideas for an electronic book.[4] Jacobson, in turn, recruited MIT undergrads Barrett Comiskey, a math major, and J.D. Albert, a mechanical engineering major, to create the display technology required to realize his vision.[1]

Product development

The initial approach was to create tiny spheres which were half white and half black, and which, depending on the electric charge, would rotate such that the white side or the black side would be visible on the display. Albert and Comiskey were told this approach was impossible by most experienced chemists and materials scientists and had trouble creating these perfectly half-white, half-black spheres; during his experiments, Albert accidentally created some all-white spheres.[1]

Comiskey experimented with charging and encapsulating those all-white particles in microcapsules mixed in with a dark dye. The result was a system of microcapsules that could be applied to a surface and could then be charged independently to create black and white images.[1] A first patent was filed by MIT for the microencapsulated electrophoretic display in October 1996.[6]

The scientific paper was featured on the cover of Nature, something extremely unusual for work done by undergraduates. The advantage of the microencapsulated electrophoretic display and its potential for satisfying the practical requirements of electronic paper were summarized in the abstract of the Nature paper:

It has for many years been an ambition of researchers in display media to create a flexible low-cost system that is the electronic analogue of paper ... viewing characteristic[s] result in an "ink on paper" look. But such displays have to date suffered from short lifetimes and difficulty in manufacture. Here we report the synthesis of an electrophoretic ink based on the microencapsulation of an electrophoretic dispersion. The use of a microencapsulated electrophoretic medium solves the lifetime issues and permits the fabrication of a bistable electronic display solely by means of printing. This system may satisfy the practical requirements of electronic paper.[7]

A second patent was filed by MIT for the microencapsulated electrophoretic display in March 1997.[8]

Subsequently, Albert, Comiskey and Jacobson along with Russ Wilcox and Jerome Rubin founded the E Ink Corporation in 1997, two months prior to Albert and Comiskey's graduation from MIT.[1]

Company history

E Ink Corporation Logo.jpg

E Ink Corporation (or simply "E Ink") is a subsidiary of E Ink Holdings (EIH), a Taiwanese Holding Company (8069.TWO) manufacturer. They are the manufacturer and distributor of electrophoretic displays, a kind of electronic paper, that they market under the name E Ink. E Ink Corporation is headquartered in Billerica, Massachusetts. The company was co-founded in 1997 by two undergraduates J.D. Albert and Barrett Comiskey, along with Joseph Jacobson (professor in the MIT Media Lab), Jerome Rubin (LexisNexis co-founder) and Russ Wilcox.[9] Two years later, E Ink partnered with Philips to develop and market the technology. Jacobson and Comiskey are listed as inventors on the original patent filed in 1996.[6] Albert, Comiskey, and Jacobsen were inducted into the National Inventors Hall of Fame in May 2016.[10] In 2005, Philips sold the electronic paper business as well as its related patents to one of its primary business partners, Prime View International (PVI), a Hsinchu, Taiwan-based manufacturer.

At the E Ink Corporation, Comiskey led the development effort for E Ink's first generation of electronic ink,[11] while Albert developed the manufacturing methods used to make electronic ink displays in high volumes.[12] Wilcox played a variety of business roles and served as CEO from 2004 to 2009.[13]

Acquisition

On June 1, 2008, E Ink Corp. announced an initial agreement to be purchased by PVI for $215 million, an amount that eventually reached United States dollar $450 million following negotiations.[14][15] E Ink was officially acquired on December 24, 2009. The purchase by PVI magnified the scale of production for the E Ink e-paper display, since Prime View also owned BOE Hydis Technology Co., Ltd and maintained a strategic partner relationship with Chi Mei Optoelectronics Corp. (now Chimei InnoLux Corporation, part of the Hon Hai-Foxconn Group). Foxconn is the sole ODM partner for Prime View's Netronix Inc., the supplier of E Ink panel e-readers, but the end-use products appear in various guises, e.g., as Bookeen, COOL-ER, PocketBook, etc.

PVI renamed itself E Ink Holdings Inc. after the purchase. In December 2012, E Ink acquired SiPix, a rival electrophoretic display company.[16][17][18]

Applications

iLiad e-book reader equipped with an e-paper display visible in the sunlight

E Ink is made into a film and then integrated into electronic displays, enabling novel applications in phones, watches, magazines, wearables and e-readers, etc.[19][20][21][22]

The Motorola F3 was the first mobile phone to employ E Ink technology in its display to take advantage of the material's ultra-low power consumption. In addition, the Samsung Alias 2 uses this technology in its keypad in order to allow varying reader orientations.[23]

The October 2008 limited edition North American issue of Esquire was the first magazine cover to integrate E Ink. This cover featured flashing text. It was manufactured in Shanghai and was shipped refrigerated to the United States for binding. The E Ink was powered by a 90-day integrated battery supply.[21][24]

In July 2015, New South Wales Road and Maritime Services installed road traffic signs using E Ink in Sydney, Australia. The installed e-paper traffic signs represent the first use of E Ink in traffic signage.[25][26] Transport for London made trials of E Ink displays at bus stops to offer timetables, route maps and real-time travel information.[27] Some Whole Foods 365 stores have employed E Ink-powered electronic shelf labels that can be adjusted and updated remotely and include additional information, such as whether a product is gluten-free.[28] E Ink Prism was announced in January 2015 at International CES and is the internal name for E Ink's bistable ink technology in a film that can dynamically change colors, patterns and designs with architectural products.[29] E Ink displays can also be made flexible.[30]

Commercial display products

E Ink has since partnered with various companies, including Sony, Ledger (company) ({{{2}}}), Motorola and Amazon. E Ink's "Vizplex" technology is used by Sony Reader, MOTOFONE F3, Barnes & Noble Nook, Kindle, txtr Beagle, and Kobo eReader. E Ink's "Pearl" technology is claimed to have a 50% better contrast ratio. It is used by 2011-2012 Kindle models, Barnes & Noble Nook Simple Touch, Kobo Touch, and Sony PRS-T1. E Ink's "Carta" technology is used by Kindle Paperwhite (2nd and 3rd generation), Kindle Voyage, Kobo Glo HD, Kobo Aura H2O, and Kindle Oasis.

Versions or models of E Ink

Kindle screen closeup, focused just below the surface; microcapsules are shown full size in full image as viewed on standard monitor[clarification needed]
Release timeline
Monochrome display generations
2007Vizplex
2008
2009
2010Pearl
2011
2012
2013Carta
2014Carta HD
2015
2016
2017
2018
2019
2020
2021Carta 1200
2022
2023Carta 1300

E Ink Vizplex is the first generation of the E Ink displays. Vizplex was announced in May 2007.[31]

E Ink Pearl, announced in July 2010, is the second generation of E Ink displays. The updated Amazon Kindle DX was the first device announced to use the screen, and the Kindle Keyboard, Kindle 4, and Kindle Touch also incorporate the Pearl display.[32] Amazon still uses this display technology in the Kindle (all generations, minus the Paperwhite, Voyage, and Oasis series). Sony has also included this technology into its latest release of the Sony Reader Touch edition.[33] This display is also used in the Nook Simple Touch,[34] Kobo eReader Touch,[35] Kobo Glo, Onyx Boox M90,[36] X61S[37] and Pocketbook Touch.[38]

E Ink Mobius is an E Ink display using a flexible plastic backplane, so it can resist small impacts and some flexing.[39] Products using this include Sony Digital Paper DPT-S1,[40] Pocketbook CAD Reader Flex,[41] Dasung Paperlike HD and Onyx Boox MAX 3.

E Ink Triton, announced in November 2010, is a color display that is easy to read in high light. The Triton is able to display 16 shades of gray, and 4,096 colors.[42] E Ink Triton is used in commercially available products such as the Hanvon color e-reader,[43] JetBook Color made by ectaco and PocketBook Color Lux made by PocketBook.

E Ink Triton 2 is the last generation of E Ink Triton color displays. The e-readers featuring it appeared in 2013. They include Ectaco Jetbook Color 2 and Pocketbook Color Lux.[44][45]

E Ink Carta, announced in January 2013 at International CES, features 768 by 1024 resolution on 6-inch displays, with 212 ppi pixel density.[46] Named Carta, it is used in the Kindle Paperwhite 1st (2012) and 2nd (2013) generations, the Pocketbook Touch Lux 3 (2015),[47] and the Kobo Nia (2020).

E Ink Carta HD features a 1080 by 1440 resolution on a 6" screen with 300 ppi. It is used in many eReaders including the Kindle Voyage (2014), Tolino Vision 2 (2014), Kindle Paperwhite 3rd and 4th generation (2015 and 2018), Kobo Glo HD (2015),[48] Nook Glowlight Plus[49] (2015), Cybook Muse Frontlight, Kindle Oasis (2016), PocketBook Touch HD[50] (2016), PocketBook Touch HD 2 (2017), and the Kobo Clara HD[51] (2018).

The original E Ink Carta display was renamed to Carta 1000, and refinements in Carta 1100 and Carta 1200 improved response times and display contrast.[52] A later refinement in Carta 1250 improved response times and contrast again.[53]

E Ink Carta and Carta HD displays support Regal waveform technology, which reduces the need for page refreshes.[54]

The overall contrast in a product depends on the entire panel stack, including touch sensor and front light (when provided).[55]

E Ink Spectra is a three pigment display. The display uses microcups, each of which contains three pigments.[56] It is available for retail and electronic shelf tag labels. It is currently produced with black, white and red or black, white and yellow pigments.[57]

Advanced Color ePaper (ACeP) was announced at SID Display Week in May 2016. The display contains four pigments in each microcapsule or microcup thereby eliminating the need for a color filter overlay. The pigments used are cyan, magenta, yellow and white, enabling display of a full color gamut and up to 32,000 colors.[56][57] Initially targeted at the in-store signage market, with 20-inch displays with a resolution of 1600 by 2500 pixels at 150 ppi with a two-second refresh rate,[58] it began shipping for signage purposes in late 2018.[59] It is also being commercially manufactured for e-readers under the name E Ink Gallery 3. The first readers started shipping in 2023, however some planned e-readers were later postponed due to supply issues.[60]

E Ink Kaleido, originally announced in December 2019[61] as "Print Color", is the first of a new generation of color displays based on one of E Ink's greyscale displays with a color filter layer. E Ink Kaleido uses a plastic color filter layer, unlike the glass filter layer used in the E Ink Triton family of displays.[62] Kaleido Plus and Kaleido 3 were released in 2021[63] and 2023[64] respectively, further improving performance and pixel density.

Comparison of E Ink displays

A comparison of a selection of E Ink displays as of June 2017[65]

Name ET011TT2 ET013TT1 ET014TT1 ED035OC1 ED043WC3 ET047TC1 ED052TC2 ED060KC1 ED068TG1 ED078KC1 ES103TC1 ES133TT3 ED312TT2 ED420TT1
Diagonal length or diameter (inch) 1.1 1.3 1.43 3.5 4.3 4.7 5.2 6 6.8 7.8 10.3 13.3 31.2 42
Resolution (horizontal × vertical) 240 × 240 256 × 256 128 × 296 360 × 600 480 × 800 540 × 960 540 × 960 1072 × 1448 1080 × 1440 1404 × 1872 1404 × 1872 1650 × 2200 1440 × 2560 2160 × 2880
Aspect ratio Round 1:1 2:1 5:3 5:3 16:9 16:9 4:3 4:3 4:3 4:3 4:3 16:9 4:3
Active area (mm) 27.96 × 27.96 23.30 × 23.30 14.46 × 33.45 45.54 × 75.90 56.16 × 93.60 58.32 × 103.68 64.53 × 114.24 90.60 × 122.40 103.68 × 138.24 118.64 × 158.18 157.25 × 209.66 202.95 × 270.60 388.80 × 691.20 642.6 × 856.8
Outline dimensions (mm) 31.80 × 34.60 27.10 × 28.40 18.30 × 42.70 51.54 × 86.50 62.40 × 106.40 62.1 × 115.2 69.23 × 124.59 101.80 × 138.40 119.70 × 158.50 127.60 × 173.80 165.80 × 227.70 215.50 × 287.00 402.80 × 697.20 650.0 × 872.5
Pixel density (pixels per inch) 218 279 225 200 216 234 213 300 260 300 226 206 94 85
E Ink film Carta 1.2 Thin Pearl Pearl Pearl Pearl Carta 1.2 Carta 1.2 Carta 1.2 Carta 1.2 Carta 1.2 Carta 1.2 Carta 1.2 Pearl Pearl
Refresh time (ms) 800 3200 800 450 450 480 480 450 450 450 450 450 980 -
Backplane Flexible Flexible Flexible Glass Glass Flexible Glass Glass Glass Glass Flexible Flexible Glass Glass
Total thickness (mm) 0.53 0.4 0.607 1.18 0.912 0.682 0.68 1.01 1.84 0.78 0.65 0.65 0.805 -
Total weight (g) 0.72 0.4 0.87 10 12.8 6.6 12.3 30 54 37 32 68 494 1100
Number of levels of grey 4 2 4 16 16 16 16 16 16 16 16 16 16 16
Front light No No No No No No No No Yes No No No No No
Surface treatment Hard coat Hard coat Hard coat Hard coat Hard coat Hard coat Hard coat Anti-glare treatment Anti-glare treatment Hard coat Anti-glare treatment Anti-glare treatment Hard coat Hard coat

See also

References

  1. ↑ 1.0 1.1 1.2 1.3 1.4 Klein, Alec. "A New Printing Technology Sets Off a High-Stakes Race". The Wall Street Journal. ISSN 0099-9660. https://www.wsj.com/articles/SB946939872703897050. 
  2. ↑ Carmody, Tim (November 9, 2010). "How E Ink's Triton Color Displays Work, In E-Readers and Beyond". Wired. https://www.wired.com/gadgetlab/2010/11/how-e-inks-triton-color-displays-work-in-e-readers-and-beyond/. Retrieved March 6, 2017. 
  3. ↑ "ePaper phones". https://www.e-ink-info.com/e-ink-devices/mobile-phones. 
  4. ↑ 4.0 4.1 Platt, Charles. "Digital Ink by Charles Platt". Wired. https://archive.wired.com/wired/archive/5.05/ff_digitalink_pr.html. Retrieved 2015-11-27. 
  5. ↑ "Joseph Jacobson Spotlight | National Inventors Hall of Fame". http://invent.org/inductees/jacobson-joseph/. 
  6. ↑ 6.0 6.1 Jacobson, Joseph M. & Barrett Comiskey, "Nonemissive displays and piezoelectric power supplies therefor", US patent 5930026, published 1999-07-27, assigned to Massachusetts Institute of Technology
  7. ↑ Comiskey, Barrett; Albert, J. D.; Yoshizawa, Hidekazu; Jacobson, Joseph (1998-07-16). "An Electrophoretic Ink for All Printed Reflective Electronic Displays". Nature 394 (6690): 253–255. doi:10.1038/28349. ISSN 0028-0836. Bibcode: 1998Natur.394..253C. 
  8. ↑ Jacobson, Joseph; Barrett Comiskey & Jonathan Albert, "Microencapsulated electrophoretic display", US patent 5961804, published 1999-10-05, assigned to Massachusetts Institute of Technology
  9. ↑ "E Ink's wild ride". Harvard Business School Alumni Bulletin. Sep 2009. https://www.alumni.hbs.edu/stories/Pages/story-bulletin.aspx?num=2760. Retrieved 2020-11-08. 
  10. ↑ "National Inventors Hall of Fame announces 2016 inductees". http://www.cbsnews.com/news/national-inventors-hall-of-fame-announces-2016-inductees/. 
  11. ↑ "The World Economic Forum Designates Technology Pioneers for 2002: Barrett Comiskey, Co-Founder of E Ink Corporation, Selected. - Free Online Library". http://www.thefreelibrary.com/The+World+Economic+Forum+Designates+Technology+Pioneers+for+2002%253A...-a082284748. 
  12. ↑ "J.D. Albert Spotlight | National Inventors Hall of Fame". http://invent.org/inductees/albert-jd/. 
  13. ↑ "Russ Wilcox Steps Down at E Ink---Smart Energy Venture Next? | Xconomy". March 2010. http://www.xconomy.com/boston/2010/03/01/russ-wilcox-steps-down-at-e-ink-smart-energy-venture-next/. 
  14. ↑ "Russ Wilcox Steps Down at E Ink—Smart Energy Venture Next? Xconomy". March 2010. http://www.xconomy.com/boston/2010/03/01/russ-wilcox-steps-down-at-e-ink-smart-energy-venture-next/. 
  15. ↑ "E-Ink's Sale Clears Path for Color Kindle in 2010". Fast Company. June 2009. http://www.fastcompany.com/blog/kit-eaton/technomix/e-ink-buy-out-clears-path-color-kindle-2010. 
  16. ↑ "E Ink Holdings - About Us". http://www.einkgroup.com/about_us.php?recordId=195. 
  17. ↑ "E Ink acquires SiPix, may dominate e-paper universe". https://www.engadget.com/2012/08/04/e-ink-acquires-sipix-may-dominate-e-paper-universe/. 
  18. ↑ "EIH to acquire SiPix Technology". Digitimes.com. 2012-08-06. http://www.digitimes.com/news/a20120806PD219.html. 
  19. ↑ "Watches E Ink: Customer Showcase". http://www.eink.com/customer_showcase_watches.html. 
  20. ↑ "Cell Phones E Ink". http://www.eink.com/customer_showcase_cell_phones.html. 
  21. ↑ 21.0 21.1 Esquire's E-Ink Cover , Esquire.com website, September 8, 2008. Retrieved 2009-08-23.
  22. ↑ "All-new Kindle - Now with a Built-in Front Light - Amazon Official Site". https://www.amazon.com/dp/B07DLPWYB7. 
  23. ↑ "Motofone Makes Its Global Debut Introducing Stylish Connectivity For Everyone". E Ink Corporation (Press release). Archived from the original on 12 October 2007.
  24. ↑ "Esquire Becomes First Magazine To Merge Digital Technology With Printed Pages | Ford Motor Company Newsroom". Media.ford.com. 2008-07-21. http://media.ford.com/article_display.cfm?article_id=28680. 
  25. ↑ "Sydney launches 'world's first' e-paper traffic signs". www.digitalsignagetoday.com. 2015-07-17. http://www.digitalsignagetoday.com/news/sydney-launches-worlds-first-e-paper-traffic-signs/. 
  26. ↑ Bogle, Ariel (28 July 2015). "'World first' electronic ink traffic signs trialled in Australia". http://mashable.com/2015/07/28/australia-e-ink-signs/. 
  27. ↑ "London bus stops embrace e-paper" (in en-GB), BBC News, 2015-12-22, https://www.bbc.com/news/technology-35162689, retrieved 2017-01-05 
  28. ↑ "Thoughtfully simple" (in en-US). Oregon Local News. http://www.pamplinmedia.com/lor/48-news/314796-193219-thoughtfully-simple. 
  29. ↑ "E Ink Launches Prism, the World's First Dynamic Architecture Product Incorporating Color Changing Electronic Ink Technology | Business Wire". 6 January 2015. http://www.businesswire.com/news/home/20150106005842/en/Ink-Launches-Prism-World%E2%80%99s-Dynamic-Architecture-Product. 
  30. ↑ "Flexible | E-Ink-Info". https://www.e-ink-info.com/tags/flexible. 
  31. ↑ Miller, Paul (2007-05-10). "E Ink Corp. announces "Vizplex" tech to speed, brighten displays". https://www.engadget.com/2007/05/10/e-ink-corp-announces-vizplex-tech-to-speed-brighten-displays/. 
  32. ↑ "E Ink explains the new Pearl display used in the updated Kindle DX". https://www.engadget.com/2010/07/01/e-ink-explains-the-new-pearl-display-used-in-the-updated-kindle/. 
  33. ↑ "Reader Touch Edition". http://www.sonystyle.com/webapp/wcs/stores/servlet/ProductDisplay?storeId=10151&catalogId=10551&langId=-1&productId=8198552921666257815#specifications. 
  34. ↑ Noble, Barnes &. "NOOK eReader and Tablets". https://www.barnesandnoble.com/b/nook/_/N-1pbl. 
  35. ↑ Store, Rakuten Kobo eReader. "Rakuten Kobo eReader Store". https://us.kobobooks.com/. 
  36. ↑ "Domena onyx-boox.com jest utrzymywana na serwerach nazwa.pl". http://www.onyx-boox.com/onyx-boox-m90/specifications. 
  37. ↑ "Onyx Boox X61S review (in Polish)". https://www.tips51.com/onyx-boox-x61s-review-in-polish/. 
  38. ↑ "The PocketBook Touch model is a device for reading which combines all the best and most important characteristics of a modern reader". pocketbook-int.com. http://www.pocketbook-int.com/au/products/pocketbook-touch#specifications. 
  39. ↑ "Types of displays of e-book readers". http://e-ink-reader.ru/display_en.html. 
  40. ↑ "Sony's found the perfect use for its $1,100 Digital Paper: HR forms". https://www.engadget.com/2014/04/22/sony-digital-paper-hr-dept/. 
  41. ↑ "$574 Pocketbook CAD Reader Delayed Until Next Year, Will Have a 13.3" Mobius E-ink Screen". 17 June 2014. http://the-digital-reader.com/2014/06/17/574-pocketbook-cad-reader-delayed-next-year-will-mobius-screen/. 
  42. ↑ Triton, E Ink, http://www.eink.com/Triton_Press_Release_Final.pdf, retrieved 2020-04-23 
  43. ↑ Taub, Eric A (November 7, 2010). "Color Comes to E Ink Screens". The New York Times. https://www.nytimes.com/2010/11/08/technology/08ink.html. 
  44. ↑ Kozlowski, Michael (2013), Hands on with E-Ink Triton 2 and Prototype Front Lite Technology, good ereader, http://goodereader.com/blog/e-reader/hands-on-with-e-ink-triton-2-and-prototype-front-lite-technology, retrieved 2013-12-24 
  45. ↑ Kozlowski, Michael (2013), Review of the Pocketbook Color Lux eReader, Good ereader, http://goodereader.com/blog/electronic-readers/review-of-the-pocketbook-color-lux-ereader, retrieved 2013-12-24 
  46. ↑ "E Ink's future foretold at CES: Next-gen will be high-res, support color", PC world, https://www.pcworld.com/article/2024917/e-inks-future-foretold-at-ces-next-gen-will-be-high-res-support-color.html, retrieved 2020-04-23 
  47. ↑ "PocketBook Touch Lux 3 retains all flagship e-reader's traits, and has achieved an important enhancement – the latest E Ink Carta display with HD resolution (1024x758 pixels).". Pocketbook. http://www.pocketbook-int.com/au/products/pocketbook-touch-lux-3#specifications. 
  48. ↑ "Amazon unveils high-res e-ink Kindle Voyage, new Fire tablet for Kids, updated HDX". ExtremeTech. September 18, 2014. http://www.extremetech.com/computing/190376-amazon-unveils-high-res-e-ink-kindle-voyage-new-fire-tablet-for-kids-updated-hdx. 
  49. ↑ Noble, Barnes &. "NOOK Gowlight vs Kindle Paperwhite". http://www.barnesandnoble.com/h/nook/glowlight-vs-kindle-paperwhite-voyage/. 
  50. ↑ "Pocketbook Touch HD Review". goodereader.com. July 31, 2017. https://goodereader.com/blog/electronic-readers/pocketbook-touch-hd-review. 
  51. ↑ Store, Rakuten Kobo eReader. "Kobo Clara HD" (in en). https://us.kobobooks.com/products/kobo-clara-hd. 
  52. ↑ "Electronic Ink Film". https://www.eink.com/e-ink-film.html. 
  53. ↑ "E Ink, Wacom and Linfiny Announce Next-Generation Digital eNote Solutions With Android OS, Wacom's EMR Technology and the Latest E Ink Carta™ 1250". https://www.eink.com/news.html?type=releasedetail&id=2171&year=2021&page=3. 
  54. ↑ Nate Hoffelder (September 4, 2013) E-ink Announces New (4th-Gen) Screen Tech – Carta
  55. ↑ Groezinger, Nathan (26 June 2021). "Is Kobo Elipsa's New E Ink Carta 1200 Screen Just a Marketing Gimmick?". Nathan Groezinger as sole proprietor. https://blog.the-ebook-reader.com/2021/06/26/is-kobo-elipsas-new-e-ink-carta-1200-screen-just-a-marketing-gimmick/. Retrieved 24 August 2023. 
  56. ↑ 56.0 56.1 "Technology, Electronic Ink". https://www.eink.com/electronic-ink.html. 
  57. ↑ 57.0 57.1 "Technology, Color". https://www.eink.com/color-technology.html. 
  58. ↑ Diaz, Jon (2016-05-24). "E Ink Announces Advanced Color ePaper, a Breakthrough Technology for Color EPD Applications". BusinessWire. http://www.businesswire.com/news/home/20160524006209/en/Ink-Announces-Advanced-Color-ePaper-Breakthrough-Technology. 
  59. ↑ "Colored E Ink is now shipping, but it still has a long way before it hits e-readers". 28 August 2018. https://www.theverge.com/circuitbreaker/2018/8/28/17791382/e-ink-advanced-colored-epaper-acep-kindle. 
  60. ↑ "Bunte Aussichten für 2023: PocketBook Viva mit neuester Farbtechnologie" (in German). 2022-12-17. https://pocketbook.de/de_de/news/bunte-aussichten-fuer-2023-pocketbook-viva-mit-neuester-farbtechnologie. 
  61. ↑ "E Ink Releasing New "Print-Color" Screens for eReaders and Notebooks | The eBook Reader Blog". Blog.the-ebook-reader.com. 18 December 2019. https://blog.the-ebook-reader.com/2019/12/18/e-ink-releasing-new-color-screens-print-color-e-ink/. Retrieved 2022-02-14. 
  62. ↑ "E Ink │ Color". https://www.eink.com/color-technology.html. 
  63. ↑ "E Ink Releases Latest Generation Print Color Display: E Ink Kaleido™ Plus". https://www.eink.com/news/detail/E-Ink-Releases-Latest-Generation-Print-Color-Display:-E-Ink-Kaleido%E2%84%A2-Plus. 
  64. ↑ "E Ink Launches E Ink Kaleido™ 3 Outdoor ePaper Technology". https://www.eink.com/news/detail/E-Ink-Launches-E-Ink-Kaleido-3-Outdoor-ePaper-Technology. 
  65. ↑ "E Ink │ Creativity on Display" (in zh-TW). http://www.eink.com/modules.html. 

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