Inventor
ISHITAKA YOSHIHIKO
JP12 patents
Patents
12 patentsUS6806922B2Oct 19, 2004
Surface light-emitting device having light-guide panel wherein light radiated from exit surface is maximized proximate to normal direction of exit surface
ALPS ELECTRIC CO LTD121 citations97
US6219120B1Apr 17, 2001
Liquid crystal display with corrugated reflective surface
ALPS ELECTRIC CO LTD41 citations95
US6130736AOct 10, 2000
Liquid crystal display with corrugated reflective surface
ALPS ELECTRIC CO LTD54 citations95
US5705096AJan 6, 1998
UV crosslinking compound, alignment film for LCD component and LCD component
ALPS ELECTRIC CO LTD50 citations95
US5438421AAug 1, 1995
Orientation film of liquid crystal having bilaterally asymmetric ridges separated by grooves
ALPS ELECTRIC CO LTD70 citations95
US6330046B1Dec 11, 2001
Reflection type liquid crystal display device wherein the organic film is terminated before extending into the driving element mounting region
ALPS ELECTRIC CO LTD20 citations92
US6233031B1May 15, 2001
Liquid crystal display device
ALPS ELECTRIC CO LTD35 citations92
US6141073AOct 31, 2000
Reflective type liquid crystal display
ALPS ELECTRIC CO LTD22 citations92
US5725915AMar 10, 1998
Liquid crystal display
ALPS ELECTRIC CO LTD23 citations92
US5486403AJan 23, 1996
Alignment layer for liquid crystal element and method of producing same
ALPS ELECTRIC CO LTD21 citations91
US6808282B2Oct 26, 2004
Light guide plate having anti-reflection layer and a method of manufacturing the same
ALPS ELECTRIC CO LTD13 citations83
US6693683B2Feb 17, 2004
Photo-conductor plate reduced in light reflection, and surface emitting device and liquid crystal display unit using it
ALPS ELECTRIC CO LTD11 citations73