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7612789 |
Image display device and timing controller
It is an object to provide a timing controller and an image display device which are capable of recognizing the resolution of a display panel with a simple structure. Image signal line driving...
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7612772 |
Display monitor with a common display data channel
A display monitor for a common display data channel uses a DDC access switch to separate the common display data channel, so that regardless of whether the display monitor is powered on or off, a...
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7602408 |
Luminance suppression power conservation
Described herein are systems and methods that reduce power consumption for an electronics device including a display. The systems and methods alter video information in a display area and reduce...
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7602386 |
Reference clock signal generation circuit, power supply circuit, driver circuit, and electro-optical device
A reference clock signal generation circuit for generating a reference clock signal for a charge-pump operation which raises or lowers a voltage includes a clock signal generation circuit which...
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7598959 |
Display controller
Apparatus and systems, as well as methods and articles, may operate to update video display pixels. A video display bus can communicate data to a video display according to specified clock...
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7595779 |
Electro-optical device
An electro-optical device comprising a display drive system with the display timing related to the unit time t for writing-in a picture element and to the time F for writing-in one picture is...
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7592997 |
System and method for determining a position, in particular for augmented reality applications
The invention relates to a system for determining the position of a user and/or a moving device by means of tracking methods, in particular for augmented reality applications, with an interface ( 9...
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RE40906 |
Video signal converting apparatus and display device having the same
Disclosed is a video signal converting apparatus and a display device having the same which may convert a low-resolution video signal from a host into a different-resolution video signal capable of...
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RE40905 |
Video signal converting apparatus and display device having the same
Disclosed is a video signal converting apparatus and a display device having the same which may convert a low-resolution video signal from a host into a different-resolution video signal capable of...
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7573473 |
Image display device, image display system and electronic device
Power source control pertaining to a plurality of control units is made to be easy. Moreover, the productivity and the versatility of a control program are improved. A logical operation unit...
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7570245 |
Control unit and method for reducing interference patterns in the display of an image on a screen
A control unit and a method are provided to reduce an interference pattern in the display of an image on a screen with a pixel frequency. The image is described by pixel data and provided to the...
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7564454 |
Methods and displays having a self-calibrating delay line
A driver arrangement for a display includes at least one driver, such as a column driver, and a delay line arrangement coupled to the driver. The delay line arrangement delays a data signal...
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RE40859 |
Method and system for displaying an analog image by a digital display device
A clock recovery circuit in a digital display unit for recovering a time reference signal associated with analog display data. The clock recovery circuit includes a phase-locked loop (PLL)...
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7561130 |
Solar powered street-lamp control circuit
A control circuit for regulating current supplied from a power source to at least one load. The control circuit has a current mirror circuit electrically coupled between the power source and the at...
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7551168 |
Automatic equalization of video signals
A video compensation system for analog video transmission is described. The compensation system is employed in an analog video switching circuit such that each time a conductive path is switched,...
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7548227 |
Display apparatus, device for driving the display apparatus, and method of driving the display apparatus
A device for driving a display apparatus includes a scan driver, a timing circuit and a data driver. The scan driver generates a plurality of scan signals activating the scan lines. The timing...
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7542031 |
Current supply circuit, current supply device, voltage supply circuit, voltage supply device, electro-optical device, and electronic apparatus
To reduce the variation of luminance between driving modules. Driving modules DR 1 to DR 3 each have monitor current output circuits, and output monitor current signals MI 12 , MI 21 , MI 22 ,...
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7542010 |
Preventing image tearing where a single video input is streamed to two independent display devices
The invention is generally directed to methods and apparatus for preventing image tearing where a single video input is streamed to two or more independent display devices for simultaneous display....
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7538762 |
Switching display update properties upon detecting a power management event
Systems and methods provide automatic switching of display update properties such as screen resolution, pixel depth, and refresh rate in response to a power management event. The display update...
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7532145 |
High resolution and wide dynamic range integrator
Integrators are electronic components used to condition received analog signals, for example prior to Analog to Digital Conversion. Wide dynamic range, high gain and fine resolution are required of...
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7518599 |
Display control device and method
A display control device and a display control method for use in a portable electronic apparatus are disclosed. The portable electronic apparatus includes a main controller and a display panel. The...
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7518593 |
Illuminator for emitting at least two lights having directivity and display apparatus using same
A display apparatus includes a liquid crystal display panel and an illuminator disposed at the back of the panel for emitting at least two illumination lights having directivities in different...
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7508553 |
Image displaying apparatus and image pickup apparatus having the same
An image displaying apparatus for two-dimensionally scanning a light beam from a light source optically modulated on the basis of image information on a surface to be scanned by a mechanical...
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7505055 |
Method and apparatus for auto-generation of horizontal synchronization of an analog signal to a digital display
A method, apparatus, and system for determining a horizontal resolution and a phase of an analog video signal arranged to display a number of scan lines each formed of a number of pixels is...
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7502076 |
Method and apparatus for a digital display
A method and apparatus for a digital video display. A digital display device receives an analog signal representing an image formed of pixels in video lines and a signal containing a...
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7499044 |
System for synchronizing display of images in a multi-display computer system
An image display system synchronizes the display of images on a plurality of display devices. The system includes a first computer system generating a first signal representing first image data to...
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7489295 |
Liquid crystal display device, and light source driving circuit and method to be used in same
A liquid crystal display device is provided which is capable of preventing flicker or fringes in a display screen occurring even when changes in frequencies of a vertical sync signal and horizontal...
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7486288 |
Display device driving apparatus and display device using the same
In a drive unit for use with a matrix type display, a buffer circuit of the power supply circuit of the drive unit has an high-voltage first output circuit and a low-voltage second output circuit...
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7477247 |
Detecting attachment or removal of a display monitor
A change in state is detected at an output port terminal of a video graphics adapter card when an analog monitor is connected or disconnected. A negative current source causes a negative voltage to...
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7477246 |
Synchronization of lamp stabilizing pulses with frame rates of PWM LCOS devices
A lamp synchronization signal may be used in an LCOS imaging environment, such as a projection system.
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7477244 |
Automatic activity detection in a display controller
Detecting when the on-board power supply is powered on or off by an auto activity detection circuit by determining if the reference clock signal (T CLK ) is toggling and if the reference clock...
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7474302 |
Electro-optical device, driving method of electro-optical device, driving circuit of electro-optical device and electronic apparatus
A driving circuit of an electro-optical device that can reduce or prevent bad influences of a transverse electric field and a crosstalk is provided. There can also be provided a driving circuit of...
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7471345 |
Flat display device and control method thereof
A flat display device includes, vertical synchronization lock means which generates an internal vertical synchronization signal, a window signal generating circuit which generates a window signal...
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7471289 |
Image display apparatus, timing controller for driver IC, and source driver IC
An image display apparatus includes a timing controller to generate a control signal according to image data, a driver IC to take in image data according to the control signal and to supply the...
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7471288 |
Light emitting display device and driving control method therefor
A clock signal in synchronization with a data writing signal, every scanning line, which is supplied from a light-emitting control circuit 4 to a scanning driver 6 , is supplied to an oscillator...
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7463256 |
Automatic phase adjustment for display
Autophase adjustment is initiated in a display device that digitally displays analog video signals. The autophase adjustment is initiated based on monitoring of at least one of the horizontal and...
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7460113 |
Digital pixel clock generation circuit and method employing independent clock
A digital pixel clock generation circuit receives image data and corresponding image presentation time information from at least one external image source. The digital pixel clock generation...
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7456830 |
Liquid crystal display device
In a liquid crystal display (LCD) device, two continuous frame image data to be displayed on a display unit are compared with each other by a comparator circuit, and horizontal and vertical...
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7453443 |
Method of deactivating lock and portable electronic device
The invention relates to a method of deactivating the touch screen lock in a portable electronic device comprising a touch screen and means for locking the touch screen. The method comprises...
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RE40574 |
Device and method for repeatedly updated the function of a LCD monitors
A monitor control system capable of reprogramming the function of a LCD monitor. The monitor control system utilizes VGA signal lines for video signal transmission during normal mode of operation...
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7450117 |
Apparatus and method for restoring active signal and synchronous signal
A synchronous signal/active signal restoring apparatus and method are disclosed in which a display device receives a digital image signal transmitted in an optical signal form from a source device...
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7450084 |
System and method for managing computer monitor configurations
Described is a method and system a system and method for dynamically and intelligently configuring a computer system's video-related settings upon connection of a monitor, and/or reconfiguring upon...
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7446764 |
Display control device, display control method, and the like
The display control device that causes a display screen to display predetermined image information includes; a display adjustment signal superimposing unit that superimposes a display adjustment...
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7443391 |
Current drive circuit and display
A current drive circuit is provided with a bias generator and a current output unit; wherein the bias generator is provided with: p-channel MOS transistor, p-channel MOS transistor, and reference...
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7443389 |
Pixel clock spread spectrum modulation
Circuits, methods, and apparatus that reduce the peak or maximum EMI generated by video signals provided to a CRT or digital display monitor. One exemplary embodiment provides for spreading the...
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7439967 |
Electro-optical device, driving circuit thereof, driving method thereof, and electronic apparatus using electro-optical device
An electro-optical device includes pixels provided at intersections of a plurality of scanning lines and a plurality of data lines, a scanning line driving circuit for applying a selected voltage...
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7432982 |
OSD insert circuit
An On-Screen-Display (OSD) insert circuit includes an OSD signal generator for generating a switching signal and an analog additional image signal based on a first clock signal, an...
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7432918 |
Video signal processing circuit
The video signal processing circuit has a clamp circuit for clamping a composite video signal including a copy guard signal with amplitude of from white to black as well as a pseudo horizontal...
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7429963 |
Image processing device and method
An image processing device includes a frame buffer, a first display engine, a clock signal generator, a spread spectrum clock generator, a first-in-first-out (FIFO) buffer and a reset signal...
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RE40504 |
Display and display driver with on/off power controller used to prevent damage to the display
Signal management control units 47 1 -47 n of respective scan drivers LSI in an LCD module are cascade-connected and each have the same construction. A detected signal of the signal management...
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