CORRECTING and REPLACING AGC's New AN Wizus™ Glass Substrate for High Resolution Displays Achieves World's Lowest Level of

  CORRECTING and REPLACING AGC's New AN Wizus™ Glass Substrate for High
  Resolution Displays Achieves World's Lowest Level of Thermal Shrinkage

  Reduced shrinkage will improve quality and productivity of display devices

CORRECTION...by Asahi Glass Co., Ltd. Display Week 2013

Business Wire

TOKYO -- May 14, 2013

In the tabular information, the first cell under the heading "Key Attributes"
should read: Significantly low thermal shrinkage (after 10-minute heat
processing at 600◦C) (sted Significantly low thermal shrinkage (after
10-minute heat processing at 1,600◦C).

Exterior view of AN Wizus(TM) (Photo: Business Wire)

Exterior view of AN Wizus(TM) (Photo: Business Wire)

The corrected release reads:

  AGC'S NEW AN WIZUS™ GLASS SUBSTRATE FOR HIGH RESOLUTION DISPLAYS ACHIEVES
                  WORLD'S LOWEST LEVEL OF THERMAL SHRINKAGE

  Reduced shrinkage will improve quality and productivity of display devices

AGC, a world-leading manufacturer of glass, chemicals and high-tech materials,
announced today that AN Wizus™, a glass substrate with the world's lowest
level of thermal shrinkage, will be offered for use in high-resolution display
panels, such as those used in smartphones and tablets, beginning this month.

AGC will display AN Wizus™ at the Society for Information Display (SID) show
in Vancouver from May 20.

High-resolution display panels, such as low-temperature polysilicon liquid
crystal and organic electroluminescent displays, increasingly are being
adopted for smartphones and tablets. Shrinkage of the glass substrate due to
high-temperature processing, however, can significantly lower the quality and
manufacturing productivity of high-resolution display panels.

AGC manufactures glass substrates using the float process, which enables
optimal slow cooling for low-level shrinkage. The company's existing AN100
glass substrate now used by numerous customers features one of the industry's
lowest levels of thermal shrinkage. AN Wizus™, which also is manufactured with
the float process and features an upgraded glass composition, limits shrinkage
to one fifth that of AN100, creating high expectations for improved
performance quality and manufacturing productivity of high-resolution display
panels.


Key Attributes                   AN Wizus™    AN 100       Remarks
Significantly low thermal                                     About 80 percent
shrinkage (after 10-minute heat   7ppm          33ppm         improvement
processing at 600◦C)
High Young's modulus with low     85GPa         77GPa         About 10 percent
sagging                                                       improvement
Fast etching in panel-thinning                                About 10% faster
process                           –             –             than AN100 (AGC
                                                              estimates)
Good photoelastic constant       27nm/cm/MPa  31nm/cm/MPa  About 10 percent
                                                              improvement
                                                              

AGC will continue to pursue a wide range of glass technologies, including for
glass material design and high-level glass manufacturing using the float
process, to contribute to the further development of displays.

About the AGC Group

The AGC Group, with Tokyo-based Asahi Glass Co., Ltd. at its core, is a
world-leading supplier of flat, automotive and display glass, chemicals and
other high-tech materials and components. Drawing on more than a century of
technical innovation, the AGC Group has developed world-class expertise in
fields including glass, fluorine chemistry and ceramics technologies. The
group employs some 50,000 people worldwide and generates annual sales of more
than 15 billion USD through business in about 30 countries. For more
information, please visit www.agc-group.com/en.

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Contact:

Asahi Glass Co., Ltd.
Tsuyoshi Odahara, +81-3-3218-5603
Corporate Communications & Investor Relations
info-pr@agc.co.jp
 
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