Liquid crystal cells – elements and systems – Particular structure – Particular illumination
Reexamination Certificate
2007-11-13
2007-11-13
Ton, Toan (Department: 2871)
Liquid crystal cells, elements and systems
Particular structure
Particular illumination
C349S058000, C349S064000, C349S065000
Reexamination Certificate
active
10964682
ABSTRACT:
Optical sheets can be fixed easily and positively in a liquid-crystal display device having a liquid-crystal display panel in which a liquid-crystal layer sandwiched between a pair of substrates and a lighting unit provided on a surface opposite to a display surface of the liquid-crystal display panel. For this purpose, a projection is provided on a sidewall of an accommodator, and the projection is inserted into a hole provided in optical sheets arranged within the accommodator, thereby fixing the optical sheets in the accommodator. The length along a certain straight line of a top plan form of a tip of the projection is longer than the length along the certain straight line of the hole formed in the optical sheets, thus preventing the optical sheets from falling out of the accommodator.
REFERENCES:
patent: 6411353 (2002-06-01), Yarita et al.
patent: 6456344 (2002-09-01), Nemoto et al.
patent: 11-337942 (1999-12-01), None
Harayama Takeshi
Matsuda Fumitoshi
Mitsuhashi Nobuyuki
Ueda Shiro
Duong Tai
Hitachi Displays Ltd.
Ton Toan
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