US Patent No: 6,014,258

Number of patents in Portfolio can not be more than 2000

Color image display apparatus and method

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Importance

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Abstract

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In a color image display apparatus, assuming that time response characteristics of light emission by red, green and blue light emitting cells have values TR, TG and TB, the difference between the values TR and TG is less than that between the values TR and TB and that between the values TG and TB. The apparatus has a subfield arrangement including a portion where a light emitting weight gradually decreases and a portion where the light emitting weight gradually increases, or a subfield arrangement to obtain a plurality of light emission peaks in one field.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
HITACHI, LTD.TOKYO31537

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kougami, Akihiko Yokohama, JP 14 180
Naka, Kazutaka Yokohama, JP 20 210
Ohsawa, Michitaka Kawasaki, JP 51 616
Ohtaka, Hiroshi Osaka-fu, JP 24 299

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Acker Drill Company, Inc. (1)
4,211,294 Impregnated diamond drill bit 29 1978
 
Pioneer Electronic Corporation (1)
5,929,835 Tone correcting system for a display 7 1995
 
Tally Display Corporation (1)
5,612,711 Display system 9 1996

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
HITACHI MAXELL, LTD. (5)
7,439,941 White balance correction circuit and correction method for display apparatus that displays color image by controlling number of emissions or intensity thereof in accordance with plurality of primary color video signals 3 2000
6,741,227 Color image display apparatus and method 9 2002
8,035,578 White balance correction circuit and correction method for display apparatus that display color image by controlling number of emissions or intensity thereof in accordance with plurality of primary color video signals 0 2007
8,223,174 White balance correction circuit and correction method for display apparatus that displays color image by controlling number of emissions or intensity thereof in accordance with plurality of primary color video signals 1 2008
8,405,577 White balance correction circuit and correction method for display apparatus that displays color image by controlling number of emissions or intensity thereof in accordance with plurality of primary color video signals 0 2011
 
PANASONIC CORPORATION (3)
7,042,424 Method for driving a plasma display panel 4 2003
6,967,636 Method for driving a plasma display panel 3 2003
8,174,544 Image display apparatus, image displaying method, plasma display panel apparatus, program, integrated circuit, and recording medium 0 2007
 
THOMSON LICENSING (3)
7,227,561 Method of displaying video images on a display device, e.g. a plasma display panel 2 2002
7,042,422 Method and device for processing video pictures 6 2002
7,479,934 Reduction of phosphor lag artifacts on display panels 1 2003
 
ADOBE SYSTEMS INCORPORATED (2)
6,954,216 Device-specific color intensity settings and sub-pixel geometry 19 1999
7,518,623 Device-specific color intensity settings and sub-pixel geometry 14 2005
 
KONINKLIJKE PHILIPS ELECTRONICS N.V. (2)
6,703,991 Method of and unit for displaying an image in sub-fields 7 2001
6,943,758 Sub-field driven display device and method 1 2001
 
REALTEK SEMICONDUCTOR CORP. (2)
7,280,115 Image signal processing method and device 0 2004
7,280,091 Analog front-end circuit for digital displaying apparatus and control method thereof 3 2006
 
SEIKO EPSON CORPORATION (2)
7,088,349 Drive method of an electro optical device, a drive circuit and an electro optical device and an electronic apparatus 1 2002
7,050,035 Drive method of an electro-optical device, a drive circuit and an electro-optical device and electronic apparatus 27 2002
 
SEMICONDUCTOR ENERGY LABORATORY CO., LTD. (2)
7,623,091 Display device, and driving method and electronic apparatus of the display device 1 2006
8,564,625 Display device and method of driving thereof 0 2006
 
HITACHI, LTD. (1)
6,518,977 Color image display apparatus and method 33 2000
 
HTACHI MAXELL, LTD. (1)
8,704,735 Display method of plasma display apparatus and plasma display apparatus 0 2012
 
LG DISPLAY CO., LTD. (1)
7,365,729 Field sequential LCD device and color image display method thereof 6 2001
 
OTSUKA ELECTRONICS CO., LTD. (1)
8,164,632 Method and apparatus for measuring moving picture response curve 1 2007
 
PIONEER DISPLAY PRODUCTS CORPORATION (1)
6,897,836 Method for driving a display panel 4 2003