Liquid crystal cells – elements and systems – Particular structure – Holder – support – frame – or housing
Reexamination Certificate
2007-12-11
2007-12-11
Qi, Mike (Department: 2871)
Liquid crystal cells, elements and systems
Particular structure
Holder, support, frame, or housing
C349S062000, C349S065000
Reexamination Certificate
active
11656967
ABSTRACT:
A pin6provided at a horn5for ultrasonic welding is press-fitted to the depth reaching the light guide plate1breaking through the various kind of sheets2and3from surface side thereof. Another embodiment of the invention is that pins25constructed so as to break through various kind of sheets22and23on the surface of the plate are provided on the light guide plate21, and the various kind of sheets22and23are fixed on the light guide plate1by distorting by caulking using ultrasonic vibration of the tip end of the pin.
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Kitamura Takeshi
Kondo Yasukazu
Morgan & Lewis & Bockius, LLP
Qi Mike
Rohm & Co., Ltd.
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