Passive Film Enhancement

Technical Q&A with AGDisplays

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DA: What is passive film enhancement?

AGDisplays: Many times a passive, or film enhancement, can improve the optics when a particular gain is needed that doesn’t require a hardware change.

For instance, you can manipulate viewing angles, increase brightness, or reduce electromagnetic interference via a film enhancement. One great benefit of a passive enhancement is using a better film recipe than the manufacturer, ultimately resulting in a brighter display but at the stock power consumption level.

To increase the overall luminance and sunlight viewability on an LCD that will be viewed outdoors, you can kit together a passive film enhancement along with an AR film lamination. Laminating an anti-reflection film to the display surface can reduce reflection and aid the passive enhancement gain.

Often, passive film enhancements can increase a particular value, such as brightness, when integrating a touch screen, thus compensating for the luminance loss of the touch addition. Correctly being able to determine the film used by the original equipment manufacturer is a critical facet of designing a perfect solution for a customer.

Since cost is always a factor to be considered, AGDisplays often identifies multiple solution scenarios so the return on investment can be clearly identified for the client, allowing them to make the best decision for their project.

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Problems for LCD Engineers

Technical Q&A with AGDisplays

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DA: What is one problem in the display industry that engineers and manufacturers must address?

AGDisplays: This is a great question, but a tough one to answer at the same time.

In the display industry, the manufacturers are racing against many different obstacles. They are constantly evolving their product lines to better suit the market, while competing with the product lines of their competitors as well.

LCD part numbers can go into "end of life" status as display manufacturers eliminate the production of a specific part number from their production. The forecast and alert of this type of change is crucial to a company supporting a project that utilizes that particular display.

Receiving advance notice of these changes would allow for better reaction time for the companies supporting that manufacturer's product. Often, receiving samples can be a critical aspect of designing an LCD solution for a client. Ability to get samples and small quantity purchases can vary from manufacturer to manufacturer. Working with quality distributors can aid this as well, but ultimately the speed and availability of these requests can be a deciding factor into which manufacturer's display you will choose for your project.

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Evolution of LCD Enhancements

Technical Q&A with AGDisplays

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DA: Have display enhancement needs changed over the years? Do enhancements differ across vertical markets (military, industrial, etc.)?

AGDisplays: They have changed, over the last few years especially, as the LED backlight has replaced the CCFL backlight as the standard backlighting method.

There are LCDs deployed across all industries that have cold cathode fluorescent lamps in them, and companies are retrofitting those displays over to LED backlight technology as well. I think the biggest catalyst for change is the ever changing advancements in technology. As technology grows, an LCD's capability expands as well.

For instance, touch screens are now capable of many multi-touch features, a function that has opened the doors for many things. Combining that with the increase in display resolutions and you are able to design software to allow an easier human interface that was previously not possible.

There are also demands for power savings when using LCD’s in battery powered applications and handheld devices. The advancements in LED backlighting have aided this cause as well. Whether it's advancements in optical bonding, touch screens, or backlighting solutions, one thing is certain: necessity is the mother of invention!

For more Q&A visit the interviews section.

Email jason@displayalliance.com to promote your expertise and be interviewed.

LCD Display Enhancement

Technical Q&A with AGDisplays

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DA: What is the demand for display enhancement services?

AGDisplays: As manufacturers design LCDs, their end goal is often different than the LCD needs of equipment manufacturers who utilize LCDs in their devices.

Manufacturer designs are meant to accommodate the majority of the LCD market. When specialized equipment manufacturers select an LCD display for their application they often have additional needs or requirements that cannot be met by the original LCD manufacturer.

Enhancements of an LCD screen can be thought about in many different ways. A design that will require the display to be used in direct sunlight will likely need a transflective enhancement to utilize the ambient light and reduce reflection. ATM’s often use transflective enhancements along with touchscreens with anti-reflective coatings along with chemically strengthened glass. Heaters are often introduced into displays when extreme temperature fluctuations could compromise the liquid crystal and/or backlight function.

For military and defense equipment more and more applications are requiring NVIS compatibility modes to be incorporated into the design of the LCD. AGDisplays regularly enhances stock displays to be equipped with both high bright backlight systems for direct sunlight use and low bright night vision backlights, making the display usable with Night Vision goggles.

Regardless of the industry or application there are multiple ways to improve an LCD to better suit your design or product. Often, the gain can considerably outweigh the cost when it comes to delivering a better product to your customer, with better reliability and function.

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Email jason@displayalliance.com to promote your expertise and be interviewed.

AGDisplays LCD Enhancement

Technical Q&A with AGDisplays

www.agdisplays.com

DA: How does a company like AGDisplays distinguish its services in the display industry?

AGDisplays: AGDisplays delivers full turn-key display solutions that enable our customers to focus on the other aspects of their projects, while relying on scheduled LCD shipments according to their production needs.

We pride ourselves on custom design solutions that enable our customers to deliver a quality product, on time, and within budget. In my experience, our customers use AGDisplays as their preferred LCD enhancement supplier because they have learned to rely on our quick quotation process, fast turnaround time, and quality workmanship.

Along with our design solutions and enhancement services we also offer repair services that allow companies to recoup loss through LCD repair. We will continue set ourselves apart through prompt customer service and reliable support that has become an AGDisplays standard.

For more Q&A visit the interviews section.

Email jason@displayalliance.com to promote your expertise and be interviewed.