Patents
Patents for G09G 3 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes (121,486)
05/1989
05/24/1989EP0316822A2 Apparatus and method for providing a gray scale in liquid crystal flat panel displays
05/24/1989EP0316801A2 Driving circuit and method for a liquid crystal display with a delayed pixel-erase function on power switch-off
05/24/1989EP0316774A2 Liquid crystal apparatus
05/24/1989EP0316708A2 Apparatus for providing a gray scale capability in a liquid crystal display unit
05/24/1989EP0316424A1 Raster image generator
05/24/1989EP0316361A1 Matrix-addressed flat panel display
05/24/1989DE3837313A1 Point matrix LED indicator unit for large display - has CPU with software programmed for cyclic scanning through N-rows
05/23/1989US4833542 Large screen display apparatus having modular structure
05/23/1989US4833464 Electrophoretic information display (EPID) apparatus employing grey scale capability
05/23/1989US4833463 Gas plasma display
05/23/1989US4832454 Control circuit for a liquid crystal display unit
05/23/1989CA1254684A2 Electronic control of imaging system
05/23/1989CA1254683A1 On-line verification of video display generator
05/18/1989WO1989004533A1 Flat display unit and a method of driving the same
05/18/1989WO1989004505A1 Apparatus and method for providing a gray scale in liquid crystal flat panel displays
05/18/1989WO1989004495A1 Video maps generator
05/16/1989US4831370 Vibrating fiber optic display having a resonant ribbon driver
05/16/1989US4831326 Digital voltmeter with variable color background
05/16/1989US4830467 A driving signal generating unit having first and second voltage generators for selectively outputting a first voltage signal and a second voltage signal
05/16/1989US4830466 Drive system for an active matrix liquid crystal display panel having divided row electrodes
05/10/1989EP0315365A2 Display device
05/03/1989EP0314511A2 Method of driving thin film EL panel for aging
05/03/1989EP0314213A2 Display apparatus
05/03/1989EP0314084A2 Driving apparatus
05/03/1989EP0313876A2 A method for eliminating crosstalk in a thin film transistor/liquid crystal display
05/02/1989US4827255 Display control system which produces varying patterns to reduce flickering
05/02/1989CA1253606A1 High yield liquid crystal display and method of making same
04/1989
04/26/1989EP0313332A2 Method and apparatus for drawing high quality lines on color matrix displays
04/26/1989EP0313331A2 Real time method and apparatus for adjusting contrast ratio of liquid crystal displays
04/26/1989EP0313329A2 Automatic synthetic dot flair for matrix addressed displays
04/25/1989US4825203 Drive circuit for color liquid crystal display device
04/25/1989US4825202 Control means for an integrated memory matrix display and its control process
04/25/1989US4825201 Display device with panels compared to form correction signals
04/25/1989US4824218 Optical modulation apparatus using ferroelectric liquid crystal and low-resistance portions of column electrodes
04/25/1989US4824216 Device for the modulation of the illuminating light of an electro-optic display screen
04/25/1989US4824212 Liquid crystal display device having separate driving circuits for display and non-display regions
04/25/1989US4824211 Method of driving a liquid crystal display device
04/24/1989EP0238557A4 Multi-coloured illuminated dynamic display.
04/20/1989WO1989003571A1 Electronic display system
04/19/1989EP0311979A2 Electro-optic switching devices using ferroelectric liquid crystals
04/19/1989EP0311951A2 Fluorescent display apparatus
04/19/1989EP0311843A2 Three dimensional color display and system
04/18/1989US4823126 Display device and a display method
04/18/1989US4823121 Electroluminescent panel driving system for driving the panel's electrodes only when non-blank data is present to conserve power
04/18/1989US4823027 Sample and hold circuit
04/18/1989US4822142 Planar display device
04/18/1989CA1252926A1 Ferroelectric liquid crystal devices
04/18/1989CA1252925A1 Temperature compensation in active substrate electro- optic displays
04/13/1989DE3732982A1 Electrooptical matrix display
04/12/1989EP0311500A1 Half-tone display method for a matrix screen
04/12/1989EP0311236A2 LCD compensation for non-optimum voltage conditions
04/12/1989EP0310941A2 Gray scale display
04/12/1989EP0310928A2 Real time three dimensional display
04/11/1989US4820933 Control circuit for liquid crystal rear-vision mirror
04/11/1989US4820222 Method of manufacturing flat panel backplanes including improved testing and yields thereof and displays made thereby
04/11/1989US4820023 Voltage adjusting apparatus
04/06/1989WO1989003109A1 Microcomputer controlled display backlight
04/06/1989DE3804485A1 Verbessertes gas-plasma-display mit funken-steuereinrichtung Improved gas-plasma display with radio-control device
04/05/1989EP0309574A1 Light valve system and method with pulsed readout.
04/04/1989US4819186 Waveform generating apparatus for driving liquid crystal device
04/04/1989US4819038 TFT array for liquid crystal displays allowing in-process testing
04/04/1989US4818991 Electro-optical display screen with control transistors
04/04/1989US4818982 Brightness control for an electro-luminescent display
04/04/1989US4818981 Active matrix display device and method for driving the same
04/04/1989US4818078 Ferroelectric liquid crystal optical modulation device and driving method therefor for gray scale display
04/04/1989US4818077 Ferroelectric liquid crystal device and method of driving the same
03/1989
03/29/1989EP0308987A2 Display apparatus
03/29/1989EP0308813A2 Device for displaying characters
03/28/1989US4816819 Display panel
03/28/1989US4816816 Liquid-crystal display apparatus
03/28/1989US4815824 Elliptical LCD bar graph with path outline-defining segments
03/28/1989US4815823 Electro-optical device with plural low resistive portions on each high resistive electrode
03/28/1989CA1251857A1 Large image display apparatus
03/23/1989WO1989002628A1 Shopping cart display system
03/22/1989EP0308214A2 Thin film electroluminescent display device
03/21/1989US4815035 Scrolling liquid crystal spatial light modulator
03/21/1989US4814757 Electrical, scrolling digit display
03/15/1989EP0306822A2 Display system for ferroelectric liquid crystal
03/15/1989EP0070298B1 Areal electronic imaging apparatus
03/14/1989US4812837 LC display device with both positive and negative image display modes
03/14/1989US4812034 Projection type liquid crystal display device
03/09/1989WO1989002144A1 Active matrix cell for ac operation
03/08/1989EP0306403A1 Flat screen visualization device with an operator-controlled display
03/08/1989EP0306203A2 A method of addressing a ferroelectric liquid crystal display
03/08/1989EP0306011A2 Method for driving a display device
03/08/1989EP0305450A1 A dive parameter indicating assembly.
03/08/1989CN2033935U Subtitles showing device controlled by micro-computer
03/07/1989US4811008 Color pigment graphics information display
03/07/1989US4811006 Display arrangement with improved drive
03/07/1989US4811005 Control process and device for liquid crystal display
03/07/1989US4810064 Liquid crystal projection display having laser intensity varied according to beam change-of-axis speed
03/07/1989US4810059 Display device with three-level drive
03/07/1989CA1250976A1 Method for generating electronically controllable color elements and color display based on the method
03/01/1989EP0305287A1 Colour image display system with a matrix screen
03/01/1989EP0304990A2 Apparatus for addressing active displays
03/01/1989EP0304484A1 Video display interface
02/1989
02/28/1989US4808991 Method and apparatus for liquid crystal display with intermediate tone
02/28/1989US4808978 Display system comprising a transparent emissive screen
02/28/1989US4808880 Display means with memory effect comprising thin electroluminescent and photoconductive films
02/28/1989US4808815 Apparatus for testing light-emitting devices using probe means having a preselected pattern arrangement