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Patent Issued for Display Device Having Improved Electrostatic Discharge Protection (USPTO 10013948)

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07/12/2018 | 11:35pm CEST

By a News Reporter-Staff News Editor at Electronics Newsweekly -- According to news reporting originating from Alexandria, Virginia, by VerticalNews journalists, a patent by the inventors Lee, Gi Chang (Asan-si, KR); Wang, In Soo (Asan-si, KR); Lee, Yong Soo (Seoul, KR), filed on October 6, 2015, was published online on July 3, 2018.

The assignee for this patent, patent number 10013948, is Samsung Display Co. Ltd. (KR).

Reporters obtained the following quote from the background information supplied by the inventors: "With the emergence of the information era, display devices are being rapidly popularized. Many modern display devices are lightweight and thin, and can be driven with low power consumption. Due to these characteristics, the scope of application of such display devices is gradually expanding from televisions, monitors, and notebook computers to mobile phones, personal digital assistants (PDAs) and smartphones.

"A display device includes a display unit having a plurality of pixels arranged in a matrix, and a plurality of drivers and a controller for driving the display unit. The display unit includes a plurality of thin-film transistors, and is connected to the drivers and the controller by signal lines and power supply lines.

"Depending on the environment in which the display device is used, static electricity can be introduced into the display device along the signal lines and the power supply lines, together with signals. The introduced static electricity can damage elements (e.g., the thin-film transistors) of the display unit.

"To protect various elements (e.g., the thin-film transistors of the pixels) of the display device from this introduced static electricity, electrostatic discharge protection patterns may be formed in an area into which signals are introduced (refer to Japanese Patent No. 2001-135897, hereby incorporated by reference). However, these electrostatic discharge protection patterns are deformed by, e.g., an exposure process, and the deformed electrostatic discharge protection patterns may have reduced electrostatic discharge protection efficiency."

In addition to obtaining background information on this patent, VerticalNews editors also obtained the inventors' summary information for this patent: "Aspects of the present invention provide a display device having improved electrostatic discharge protection efficiency even after an exposure process.

"However, aspects of the present invention are not restricted to the ones set forth herein. The above and other aspects of the present invention will become more apparent to one of ordinary skill in the art to which the present invention pertains by referencing the detailed description of the present invention given below.

"According to an embodiment of present invention, a display device may include a display unit having a plurality of pixels configured to display an image, a pad unit configured to receive data and a control signal from an external source such that an image is displayed on the display unit and an electrostatic discharge protection unit disposed between the display unit and the pad unit. The electrostatic discharge protection unit comprises a first signal line configured to deliver the data and the control signal received from the pad unit to the display unit, a second signal line, a plurality of first electrostatic discharge protection patterns which are electrically connected to the first signal line and a plurality of second electrostatic discharge protection patterns which are electrically connected to the second signal line. Respective ones of the first electrostatic discharge protection patterns and the second electrostatic discharge protection patterns together form a plurality of electrostatic discharge protection pattern pairs, and the first and second electrostatic discharge protection patterns in each of the electrostatic discharge protection pattern pairs are separated from each other by different distances.

"According to another embodiment of the present invention, a display device may include a display area having a plurality of pixels configured to display an image, and a non-display area which surrounds the display area. The non-display area comprises a signal delivering line configured to receive data and a control signal from an external source, and to deliver the data and the control signal to the display area; a ground line; and a plurality of electrostatic discharge protection pattern pairs which are electrically connected to the signal delivering line and the ground line. Electrostatic discharge protection patterns in at least one of the electrostatic discharge protection pattern pairs are connected to each other so as to form a single electrostatic discharge protection pattern.

"These and other aspects and characteristics of the present invention will be described in or will become apparent from the following description of example embodiments."

For more information, see this patent: Lee, Gi Chang; Wang, In Soo; Lee, Yong Soo. Display Device Having Improved Electrostatic Discharge Protection. U.S. Patent Number 10013948, filed October 6, 2015, and published online on July 3, 2018. Patent URL: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=10013948.PN.&OS=PN/10013948RS=PN/10013948

Keywords for this news article include: Business, Electronics Companies, Samsung Display Co. Ltd.

Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2018, NewsRx LLC

(c) 2018 NewsRx LLC, source Technology Newsletters

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