HOSIDEN AND PHILIPS DISPLAY CORPORATION

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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 9124
 
  
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 4147
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 1361

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5831605 Liquid crystal display device with stabilized common potentialFeb 03, 97Nov 03, 98[G09G]
5796457 TN liquid crystal display panel with the difference between the produce of the first retardation film, which is not adjacent to the LC cell, and has larger value than the second retardation film, and the second retardation is in the range of 0<.increment.ROct 12, 95Aug 18, 98[G02F]
5784039 Liquid crystal display AC-drive method and liquid crystal display using the sameFeb 22, 95Jul 21, 98[G09G]
5576863 Gray scale multi domain liquid crystal display panel having capacitive voltage division characteristicsMay 19, 94Nov 19, 96[G02F]
5521729 Liquid crystal display device with control capacitor for gray scaleMar 24, 94May 28, 96[G02F]
5321535 Liquid crystal display device with control capacitors for gray scaleMay 27, 93Jun 14, 94[G09G, G02F]
5237437 Apparatus and method for a high contrast, wide angle, color, flat panel, liquid crystal displayJan 30, 92Aug 17, 93[G02F]
5223961 Active liquid crystal display panel having a short-circuit metal layer and welding metal pads for changing the defect of a defective pixelOct 21, 92Jun 29, 93[G02F]
5168270 Liquid crystal display device capable of selecting display definition modes, and driving method thereforMay 13, 91Dec 01, 92[G09G]
5162933 Active matrix structure for liquid crystal display elements wherein each of the gate/data lines includes at least a molybdenum-base alloy layer containing 0.5 to 10 wt. % of chromiumMay 10, 91Nov 10, 92[H01L, G02F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5614729 Top gate thin-film transistorExpiredJun 27, 95Mar 25, 97[H01L]
5576858 Gray scale LCD control capacitors formed between a control capacitor electrode on one side of an insulating layer and two subpixel electrodes on the other sideExpiredSep 27, 95Nov 19, 96[G02F]
5248963 Method and circuit for erasing a liquid crystal displayExpiredFeb 26, 92Sep 28, 93[G09G]
5245450 Liquid crystal display device with control capacitors for gray-scaleExpiredJul 19, 91Sep 14, 93[G09G, G02F]
5086347 Liquid crystal display device having metallic bus repair layerExpiredDec 06, 89Feb 04, 92[G02F]
5068748 Active matrix liquid crystal display device having improved electrostatic discharge protectionExpiredOct 16, 90Nov 26, 91[G02F]
5061648 Method of fabricating a thin-film transistorExpiredAug 28, 89Oct 29, 91[H01L]
5042916 Active matrix display device having divided additional capacitorsExpiredOct 03, 90Aug 27, 91[G02F]
4994401 Method of making a thin film transistorExpiredMar 26, 90Feb 19, 91[H01L]
4971436 ProjectorExpiredNov 30, 89Nov 20, 90[G03B]
4963503 Method of manufacturing liquid crystal display deviceExpiredMar 29, 89Oct 16, 90[H01L]
4948231 Liquid crystal display device and method of manufacturing the sameExpiredJan 18, 89Aug 14, 90[G02F]
4943838 Thin film transistor and method of making the sameExpiredJan 04, 88Jul 24, 90[H01L]
4881797 Color liquid crystal display deviceExpiredAug 16, 88Nov 21, 89[G02F]
4869576 Liquid-crystal display device employing a common electrode consisting of interconnected common electrode sectionsExpiredJul 29, 88Sep 26, 89[H01L, G02F]
4867537 Color liquid crystal display deviceExpiredJul 01, 88Sep 19, 89[G02F]
4864376 Thin-film transistor and method of fabricating the sameExpiredJul 22, 88Sep 05, 89[H01L]
4849797 Thin film transistorExpiredJan 20, 88Jul 18, 89[H01L]
4822142 Planar display deviceExpiredDec 23, 86Apr 18, 89[G09G, G02F]
4810060 Active color liquid crystal display element compensating for differing voltage-transmission curves of the primary colorsExpiredJan 14, 88Mar 07, 89[G02F]

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