HITACHI DISPLAYS, LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G02F DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS 6574
 
  
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 14137
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 8354
 
  
 
G09F DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS 336
 
  
 
H01R ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS 3130
 
  
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 2126
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 2109
 
  
 
A61K PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES 1254
 
  
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 1100
 
  
 
F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR 1109

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9208720 Organic electroluminescence displaying apparatus which suppresses a defective display caused by a leak current at a time when an emission period controlling transistor is offNov 15, 11Dec 08, 15[G09G]
9001008 Display deviceJul 21, 10Apr 07, 15[G09G]
8802652 Rehydratable polysaccharide particles and spongeApr 23, 09Aug 12, 14[A61K, C07H]
8652766 Manufacturing method of display deviceOct 03, 11Feb 18, 14[G03F]
8633882 Liquid crystal display device with influences of offset voltages reducedApr 09, 12Jan 21, 14[G09G]
8599352 Liquid crystal display device and process of manufactureAug 28, 12Dec 03, 13[G02F]
8582056 Liquid crystal display device and lightguide having local-area and wide-area line-shaped protrusions on the lightguide emission faceNov 16, 11Nov 12, 13[G02F]
8564752 Liquid crystal display deviceMar 14, 13Oct 22, 13[G02F]
8558267 Organic EL display device and manufacturing method thereofAug 22, 12Oct 15, 13[H05B]
8558449 Light-emitting element and display device using sameMay 22, 12Oct 15, 13[H05B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8485678 Liquid crystal display device and television setWithdrawnJun 30, 11Jul 16, 13[G09F]
8427613 In-plane field type liquid crystal display device comprising liquid crystal molecules with more than two kinds of reorientation directionsExpiredJun 03, 11Apr 23, 13[G02F]
8421943 Liquid crystal display device having a third electrode formed over a second insulating film and overlapped with a pair of gate linesExpiredDec 01, 11Apr 16, 13[G02F]
8404125 Metal processing method, manfacturing method of metal mask and manufacturing method of organic light emitting display deviceExpiredJul 27, 10Mar 26, 13[B05C, B05D, C23F, B44C]
2012/0229,036 LIQUID CRYSTAL DISPLAY DEVICEAbandonedMar 02, 12Sep 13, 12[H05B]
2012/0217,502 DISPLAY DEVICE AND MANUFACTURING METHOD OF THE SAMEAbandonedFeb 24, 12Aug 30, 12[H01L]
2012/0218,724 DISPLAY DEVICEAbandonedFeb 22, 12Aug 30, 12[H05K]
2012/0139,969 IMAGE DISPLAY DEVICEAbandonedDec 01, 11Jun 07, 12[G09G]
2012/0112,988 DISPLAY DEVICEAbandonedNov 08, 11May 10, 12[G09G]
2012/0105,499 LIGHT-EMITTING ELEMENT DISPLAY DEVICEAbandonedOct 25, 11May 03, 12[G09G]
2012/0105,501 IMAGE DISPLAY DEVICE AND METHOD FOR DRIVING IMAGE DISPLAY DEVICEAbandonedOct 26, 11May 03, 12[G09G]
2012/0105,502 IMAGE DISPLAY DEVICE AND CONTROL METHOD THEREOFAbandonedOct 27, 11May 03, 12[G09G]
2012/0105,760 LIQUID CRYSTAL DISPLAY DEVICEAbandonedOct 27, 11May 03, 12[G02F]
2012/0092,583 LIQUID CRYSTAL DISPLAY DEVICEAbandonedOct 06, 11Apr 19, 12[G02F]
2012/0086,742 DISPLAY APPARATUSAbandonedOct 03, 11Apr 12, 12[G09G]
2012/0086,896 LIQUID CRYSTAL DISPLAY DEVICEAbandonedOct 04, 11Apr 12, 12[G02F]
2012/0081,352 DISPLAY DEVICEAbandonedSep 28, 11Apr 05, 12[G09G, G06F]
2012/0081,643 DISPLAY DEVICEAbandonedOct 03, 11Apr 05, 12[G02F]
2012/0074,406 PHOTOSENSORAbandonedSep 23, 11Mar 29, 12[H01L]
2012/0075,172 LIQUID CRYSTAL DISPLAY DEVICEAbandonedSep 22, 11Mar 29, 12[G09G]

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