PORTABLE TELEPHONE DEVICE

PROBLEM TO BE SOLVED: To prevent an adhesive sheet bonding a front window and a touch panel from being subjected to peeling stress due to a logo mark formed on the front window.SOLUTION: A logo mark 80 comprising a plurality of layers is formed on a back side of a front window 200. A touch-panel fle...

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Bibliographic Details
Main Author OHIRA EIJI
Format Patent
LanguageEnglish
Published 30.01.2014
Subjects
DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
FREQUENCY-CHANGING
NON-LINEAR OPTICS
OPTICAL ANALOGUE/DIGITAL CONVERTERS
OPTICAL LOGIC ELEMENTS
OPTICS
PHYSICS
TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
TELEPHONIC COMMUNICATION
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Summary:PROBLEM TO BE SOLVED: To prevent an adhesive sheet bonding a front window and a touch panel from being subjected to peeling stress due to a logo mark formed on the front window.SOLUTION: A logo mark 80 comprising a plurality of layers is formed on a back side of a front window 200. A touch-panel flexible wiring board 50 is stuck to a touch panel 100. Distance L viewed from a plane consisting of an end of a portion of the plurality of layers of the logo mark 80 and an end of the touch panel 100 is set to be zero or more. Thereby, it is possible to prevent an adhesive sheet 210 from being subjected to peeling stress, even if thickness of the adhesive sheet 210 is smaller than the sum of thickness of the touch-panel flexible wiring board 50 and thickness of the logo mark 80.
Bibliography:Application Number: JP20130207802