fading lcd display in stock

There are number of cause for the LCD to get bad such as internal electrical contact problem, but what most people don’t understand is that if the CONTRAST of the LCD is getting down, the most likely cause is the “Liquid Crystal” substance itself were attacked by water (i.e. moisture).

This problem was intensively studied and tested when the LCD was first marketed for such application for digital watches, and some early digital watch maker engineer actually tested there watches by wearing there “watch under test” even during taking a hot bath!!!

Also if attacked by water (i.e. moisture) the power consumption of the LCD display itself will gradually increase, causing serious problem for a application such as watches which needs to be low power consumption for longer cell life.

This is the reason I am totally not interested in a film camera (must have a life span of at least 25+ years, not those one that goes old within 3 years) that have LCD on it.

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(Bloomberg) -- Japan Display Inc., once one of Apple Inc.’s key suppliers, sees a new market for its liquid crystal displays after ceding the smartphones arena to rival OLED screens: the niche yet growing virtual reality business.

The Tokyo-based LCD specialist expects its favored display technology to become the standard for VR because it can achieve higher resolution than OLED while keeping costs reasonable. That advantage is imperceptible in mobile devices but becomes critical in the more demanding VR scenario.

Many of the first wave of headsets released five years ago used OLED screens -- or organic light-emitting diodes, the same as used across most flagship phones today -- for their responsiveness to fast-moving action, a common feature of gaming experiences. But major players such as HTC Corp. and Facebook have moved to LCDs for their latest products, betting on the more economical standard to improve the user experience and immersion. Industry researchers at Omdia saw LCD adoption rise in 2020 and forecast the technology will dominate the category over the next five years.

One important holdout remains: Sony Group Corp. plans to use Samsung Display Co. OLED panels in its next-generation PlayStation VR goggles, according to people with knowledge of the matter. The Japanese console giant sold more than 5 million units of the original PS VR, launched in 2016, and is aiming to release the successor in the holiday period next year, the people said, asking not to be named discussing internal plans.

To grab a bigger share of the market, JDI is working to convince VR companies it can solve two of their biggest hurdles: display quality and cost. Because VR goggles place the screen so much closer to the human eye, they require higher resolution and clarity than mobile screens, achieved by packing pixels closer together. JDI is capable of producing displays with 1,200 pixels per inch, more than double the typical density of top-tier phone panels, according to its chief VR headset engineer, Yoshihiro Watanabe.

The threshold for a high-quality VR experience is to have a display with at least 1,000 pixels per inch, Watanabe said, adding that JDI is one of the few display makers -- if not the only -- that can mass-produce such panels at a reasonable production yield.

JDI was created in 2012 by the combination of the display-making units of Sony, Hitachi Ltd. and Toshiba Corp., with much of its revenue since then coming from mobile handsets, especially iPhones. More than half of its total sales used to come from the Apple business, but the iPhone maker’s adoption of OLED technology left the company reeling.

Unable to develop its own OLED panels to a competitive level with leader Samsung Display, JDI has seen its revenue from phones drop from 838 billion yen ($7.7 billion) in the year ended March 2016 to an expected 81 billion yen this fiscal year. The firm sold the factory it had used mainly to produce panels for Apple to Sharp Corp. last year.

It’s difficult to say that LCD is in all cases superior to OLED for VR, Hayase said, because OLED offers better contrast in addition to faster response times. The key for JDI will be to establish a solid footing in the industry by addressing customer needs that other suppliers would turn down owing to the small market size, he added. JDI has experience of doing that from its business supplying display panels for digital cameras.

Resolution: Faded or incomplete segments indicate a poor connection between the LCD and the circuit board. To remedy, clean the LCD, the circuit board and the rubber elastomers that make the connections. Using isopropyl (rubbing) alcohol on a cotton swab, do the following:

If cleaning the monitor does not improve the display, an upgrade to a PM5 monitor will be needed. Replacement LCDs are no longer available for PM2/PM2+ Performance Monitors. The PM5 Monitor Retrofit Kit is available from Concept2.

Many Apple products use liquid crystal displays (LCD). LCD technology uses rows and columns of addressable points (pixels) that render text and images on the screen. Each pixel has three separate subpixels—red, green and blue—that allow an image to render in full color. Each subpixel has a corresponding transistor responsible for turning that subpixel on and off.

Depending on the display size, there can be thousands or millions of subpixels on the LCD panel. For example, the LCD panel used in the iMac (Retina 5K, 27-inch, 2019) has a display resolution of 5120 x 2880, which means there are over 14.7 million pixels. Each pixel is made up of a red, a green, and a blue subpixel, resulting in over 44 million individual picture elements on the 27-inch display. Occasionally, a transistor may not work perfectly, which results in the affected subpixel remaining off (dark) or on (bright). With the millions of subpixels on a display, it is possible to have a low number of such transistors on an LCD. In some cases a small piece of dust or other foreign material may appear to be a pixel anomaly. Apple strives to use the highest quality LCD panels in its products, however pixel anomalies can occur in a small percentage of panels.

In many cases pixel anomalies are caused by a piece of foreign material that is trapped somewhere in the display or on the front surface of the glass panel. Foreign material is typically irregular in shape and is usually most noticeable when viewed against a white background. Foreign material that is on the front surface of the glass panel can be easily removed using a lint free cloth. Foreign material that is trapped within the screen must be removed by an Apple Authorized Service Provider or Apple Retail Store.

If you are concerned about pixel anomalies on your display, take your Apple product in for closer examination at an Apple Store, Apple Authorized Service Provider, or an Independent Repair Provider. There may be a charge for the evaluation. Genuine Apple parts are also available for out-of-warranty repairs through Self Service Repair.*

Marine electronics, Chartplotters, VHF radios, Depth Finders, Sounders, PWC, Side By sides, Quad, Snowmobile, utility vehicle clusters. Industrial and Heavy Equipment Machine Controllers displays. Backlight repairs, lens and new LCD replacements (on select models) as well as polishing, and some minor  electrical repairs.

Some TV displays, such as LCD screens, use a backlight to illuminate the picture. If the backlight burns out or stops working, it will result in a blank TV screen.