November 20, 2008 Custom Solutions


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LCD Controllers
 

Omni Displays is a leading supplier of advanced connectivity solutions for the flat panel displays industry. Because choosing the right controller for the appropiate application is one of the most important parts of the success, you can't leave this task unattended in hands of a rookie. We have the experience, we know how, we have the resources and we team with the best manufacturers and professionals in the industry.

 

 

 
        
Touch Screen Enhancements
 

A touch screen is a computer display screen that is sensitive to human touch, allowing a user to interact with the computer by touching pictures or words on the screen. Touch screens are used with information kiosks, computer-based training devices, and systems designed to help individuals who have difficulty manipulating a mouse or keyboard. Touch screen technology can be used as an alternative user interface with applications that normally require a mouse, such as a Web browser. Some applications are designed specifically for touch screen technology, often having larger icons and links than the typical PC application. Monitors are available with built-in touch screen technology or individuals can purchase a touch screen kit. A touch screen kit includes a touch screen panel, a controller, and a software driver. The touch screen panel is a clear panel attached externally to the monitor that plugs into a serial or Universal Serial Bus (USB) port or a bus card installed inside the computer. The touch screen panel registers touch events and passes these signals to the controller. The controller then processes the signals and sends the data to the processor. Internal touch screen kits are available but require professional installation because they must be installed inside the monitor. There are three types of touch screen technology:

    Resistive: A resistive touch screen panel is coated with a thin metallic electrically conductive and resistive layer that causes a change in the electrical current which is registered as a touch event and sent to the controller for processing. Resistive touch screen panels are generally more affordable but offer only 75% clarity and the layer can be damaged by sharp objects. Resistive touch screen panels are not affected by outside elements such as dust or water.
    Surface wave: Surface wave technology uses ultrasonic waves that pass over the touch screen panel. When the panel is touched, a portion of the wave is absorbed. This change in the ultrasonic waves registers the position of the touch event and sends this information to the controller for processing. Surface wave touch screen panels are the most advanced of the three types, but they can be damaged by outside elements.
    Capacitive: A capacitive touch screen panel is coated with a material that stores electrical charges. When the panel is touched, a small amount of charge is drawn to the point of contact. Circuits located at each corner of the panel measure the charge and send the information to the controller for processing. Capacitive touch screen panels must be touched with a finger unlike resistive and surface wave panels that can use fingers and stylus. Capacitive touch screens are not affected by outside elements and have high clarity.

     

     

     
            
    Panel PC's and Embedded LCD Systems
     

    Omni Displays can help you solve your display application needs with off the shelf products. LCD monitors in a variety of metal and plastic enclosures are readily available. A broad line LCD/Panel PC products in various electrical configurations, mounting schemes and with all appropriate certifications will shorten your time to market window.

     

     
            
    Solutions for your specific display application
     

    Omni Displays has assembled a host of support products and technologies that provide our customers with display solutions as simple as a kit including the display, controller, inverter and cabling to a complex solution of a fully integrated LCD monitor or Panel PC. We know that displays do not work by themselves and as a one stop shop for your display needs, Omni Displays offers a wide array of controllers, single board computers, touch technologies, high bright (sunlight readable) display lighting schemes and integration services that provide our customers with viable solutions and fast time to market response.

     

     
            
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