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Match Document Document Title
7619598 Driver for an OLED passive-matrix display  
An OLED (organic light-emitting diode) passive-matrix display includes a display portion and a driver portion. The display portion includes a matrix of OLEDs for displaying information. The driver...
7605807 Control circuit for balancing current and method thereof  
A control circuit for balancing current in a thin display device includes a light source, a power supply, and a control part. The light source includes a plurality of parallel light-emitting diode...
7583260 Color preservation for spatially varying power conservation  
Described herein are systems and methods that reduce power consumption for an electronics device that includes a display device. The systems and methods identify characteristic color video...
7570257 Display device and method for driving display device  
An element driving transistor controls an amount of power supplied from a power supply PVDD to an element to be driven (display element) provided in a pixel of each row. A storage capacitor has a...
7511435 Backlight unit and liquid crystal display device having the same  
A backlight unit includes: a power supplying part; a non-dimming point light source receiving power from the power supplying part and providing a feed back signal to the power supplying part; a...
7484112 Power management in a display controller  
Managing power in a display controller having an on-board power supply coupled to a host device having an off-board power supply by way of a connector is described. If the on-board power supply is...
7482998 System and method for driving multiple display types using a single header block  
An LED interface circuit provides connection options for one or more types of LEDs. In an embodiment, the circuit includes an input node that receives an LED control signal, and an output that has...
7466081 Emergency lighting  
An emergency lighting with an electrical illuminant (DL 1 , DL 2 , DL 3 ), which, as a power supply drops below a predeterminable value, can be connected to an energy source that can be charged...
7464275 Apparatus for sequentially enabling and disabling multiple powers  
Provided is an apparatus for controlling multiple powers which is capable of turning on and off the multiple powers in their priorities for systems or components to be supplied with the multiple...
7405523 Remote control of lighting  
An electronic ballast system controls one or more ballasts of HID or fluorescent lamps, which are controlled in an “on/off” manner by a ultra low power controller that is isolated for a primary...
7403198 Driving circuit of liquid crystal display  
A driving circuit of a liquid crystal display is provided. The driving circuit comprises: a plurality of gate drivers for selectively driving a plurality of thin film transistors of the liquid...
7345683 Driver circuit for driving display device, a display device having the same, and a method of driving the same  
A driver circuit for driving a display device, and the driver circuit includes a control section, a driving section and a switch. The control section provides an image signal and a first control...
7286124 Circuit arrangement for the AC power supply of a plasma display panel  
A circuit arrangement for commutating the AC voltage of a plasma display panel, in which the losses and electro-magnetic interference which occur as a result of the influence of parasitic...
7256777 LCD driver power saving during evaluation  
This invention provides a method and an apparatus for saving power dissipation during the testing and evaluation of liquid crystal display LCD panels. In addition, this invention provides a method...
7253569 Open lamp detection in an EEFL backlight system  
A method according to one embodiment may include supplying power to plurality of External Electrode Fluorescent Lamps (EEFLs). The method of this embodiment may also include generating signals...
7176910 Driving circuit for display device  
A driving circuit for driving a capacitive load promptly to a target voltage is to have a broad dynamic range and achieve a high accuracy output and saving in the surface area with low power...
7173614 Power supply circuit, display driver, and voltage supply method  
In the case of supplying voltage to a common electrode which faces a pixel electrode through electro-optical substance while changing the voltage from a first low-potential-side voltage to a first...
7012578 Light emission control device, backlight device, liquid crystal display apparatus, liquid crystal monitor and liquid crystal television  
The present invention provides a light emission control device that can drive a plurality of cold cathode fluorescent tubes independently only by connecting a plurality of piezoelectric...
6950105 Power consumption management in a video graphics accelerator  
A method and apparatus matches one or more clock speeds used in, or used by, a graphics accelerator so as to match graphics processing requirements to the speed of the clock source or sources....
6756958 Liquid crystal display device  
In a liquid crystal display device including a liquid crystal panel for displaying a tone in correspondence with a potential difference between a drain voltage and a common voltage, a drain driver...
6646251 Separate type photoelectric switch  
A tolerance-level display portion 12 is provided in a casing 11 of a head 1 of a photoelectric switch. A light reception signal output from the head 1 is transmitted through a cable 31 b ...
6639590 Method for controlling liquid crystal display device, device for driving liquid crystal display device, liquid crystal display device, and electronic apparatus  
The present invention permits quick removal of charge stored in a liquid crystal layer, without depending upon characteristics of individual devices. This is achieved by providing a detector that...
6559677 Driving circuit for LCD  
A driving circuit includes a driving signal generating circuit which generates a plurality of driving signals; a plurality of switching circuits which are supplied with the driving signals so as to...
6529257 Active-matrix liquid-crystal display apparatus which prevents flicker and image sticking in main display area and sub display area  
Opposed electrodes are separately provided correspondingly to a main display area and a sub display area in an active-matrix liquid-crystal display apparatus. The most-appropriate voltages are...
6501443 Method of controlling liquid crystal lens in solar powered spectacles using light sensors  
In a pair of spectacles using liquid crystal lenses, an electrical circuit, for controlling the optical transmission of the liquid crystal lenses, controls the amplitude and/or duty cycle of the...
6426594 Electro-optical device and method for driving the same  
Disclosed is a method of driving an electro-optical device, such as a liquid crystal display device, including a plurality of scanning electrodes and a plurality of signal electrodes which are...
6344838 Control device for a liquid crystal display cell  
The present invention concerns a control device ( 21 ) for a liquid crystal display cell ( 1 ) including electrodes ( 1.1 a; 1.1 b; 1.1 c ) forming segments and/or symbols. This device includes...
6329969 Integrated circuit for driving liquid crystal  
A liquid crystal driving integrated circuit (101) mounted directly on a liquid crystal substrate, wherein the integrated circuit (101) comprises a plurality of power supply terminal arrays, each of...
6201517 Stereoscopic image display apparatus  
A display apparatus displays an image based on image data and distance data concerning each pixel. The display apparatus has a detector, a display data generator. The detector detects a visual...
6118439 Low current voltage supply circuit for an LCD driver  
A voltage supply circuit for an LCD driver employs two voltage dividers. A low current voltage divider includes resistive elements having a high resistance, thus providing a bias voltage with a low...
6107998 Photovoltaic module with display indicator  
A photovoltaic module capable of being oriented by hand with respect to the sun, including an infinitely adjustable stand system for locating the module at its optimum orientation with respect to...
6069596 Electronic shelf label mounting system  
An electronic shelf label mounting system which protects an electronic shelf label from damage. The mounting system includes a rail having rounded top and bottom surfaces and a channel containing...
6023256 Liquid crystal display driver system and method therefor  
An LCD Driver System (10) includes a row decoder (38) for providing command signals to row drivers (50) and a RAM row decoder (64) for controlling a RAM (76) which supplies data to a column driver...
5877733 Liquid crystal display device and radio reception apparatus provided with same  
The invention is directed to simultaneously implement display by using the first and second liquid crystal display sections. While a voltage (1/2 V L ) which is a half of a drive voltage V L ...
5805121 Liquid crystal display and turn-off method therefor  
In a liquid crystal display (16) having rows and columns of pixels (22), one or more selected rows of pixels are turned off (put in a standby mode) in a manner that saves power. A row of pixels is...
5777611 Apparatus for controlling power sequence of an LCD module  
The present invention relates to an apparatus for sequentially controlling power to operate an LCD module through the internal circuit of an LCD controller, and comprises a timing and comparing...
5751278 Clocking method and apparatus for display device with calculation operation  
In the case where a fed display data is to be displayed as it is, a display operation is executed in accordance with a predetermined first clock signal. In the case where a calculation operation is...
5675352 Liquid crystal display driver  
In accordance with one aspect of the invention, a liquid crystal display driver for driving liquid crystal display electrodes, comprises: a voltage signal generator adapted to provide a...
5627556 Circuit for driving alternating current thin film electroluminescence device using relative potential difference  
A circuit for driving an AC TFEL device which is a complete solid luminescence element, capable of generating positive and negative AC voltages from a single DC voltage by utilizing a relative...
5596341 Display arrangement  
A display device has a reverse polarity LCD panel separated from a cavity by a light diffuser. A plurality of LEDs mounted in said cavity are interconnected to a common constant current source.
5508715 Data selection circuit  
The data selection circuit of 1/n Duty-1/m Bias activating scheme of the present invention includes (m+1) selectors which are independently provided. Each selector includes 2 n decoder sections...
5463408 Liquid-crystal display  
A liquid-crystal display according to this invention which incorporates timing signal generation circuit 13 which turns on switches 10 to 12 when interval control signal P from the liquid-crystal...
5160920 Fail safe display for shelf labels  
Described is an electronic shelf label LCD device having a segmented liquid crystal (LC) film disposed on a plurality of segmented and non-segmented photovoltaic cells which provide power for...
5075676 LCD control device  
A liquid crystal display control device uses first and second common signals supplied to two segments forming a pair in a liquid crystal display element to always generate four kinds of segment...
5034734 Small-sized equipment capable of automatically changing the visual angle of its liquid crystal display  
A vehicle-mounted telephone or similar small-sized equipment having a handset with a liquid crystal display (LCD) and a cradle for holding the handset in place. Sensor is built in at least one of...
4981339 Liquid crystal display driver  
A liquid crystal display driver has a 1/4-duty binary-voltage driving system. This driving system generates at least four separate common signals and at least eleven separate segment signals....
4820023 Voltage adjusting apparatus  
A voltage adjusting apparatus which may be used in a camera. Digital signals from a data setting member are directed by a central processing unit to a random access memory and from there to a...
4728946 AC coupled LCD annunciator control system  
An AC coupled LCD annunciator control system including a primary backplane electrode associated with the primary character segments, an annunciator backplane electrode associated with the...
4486748 Segmented type liquid crystal display and driving method thereof  
A system for driving a segmented type liquid crystal display comprising a thin film transistor (TFT) array including a plurality of TFTs each having a gate line, a source line, and a drain line, a...
4479118 Power outage indicator  
A power outage indicator utilizes a smectic liquid crystal display cell, capable of storing information indefinitely, to provide a visual indication, of predetermined form, that power to a given...
Matches 1 - 50 out of 71 1 2 >