LG OLED77B2AUA Owners Manual - Page 11
Precautions for Protecting the OLED TV Screen
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Precautions for Protecting the OLED TV Screen Unlike regular LED/LCDs, OLED TVs produce images that emit light for each pixel, achieving a perfect black color and delivering clear images without blurring. Due to the nature of the organic materials used to achieve high-resolution image quality, OLED displays generally experience image retention on the screen, which can be a persistent phenomenon. This phenomenon is observed in all OLED panels, and although recommended picture modes can minimize image retention, current technology cannot completely prevent this from occurring. Displaying the same image for a long time or repeatedly displaying the same image can cause image retention on the screen, which is a common phenomenon in OLED panel products due to the nature of the product. This product has a built-in screen protection feature. Avoid displaying images that are likely to cause image retention, and follow the recommendations. Images that are likely to cause image retention •• Images with black areas on the top and bottom and/or the left and right sides of the screen. •• Images whose aspect ratio is 4:3 or 21:9. •• Images that are fixed for a long time, such as channel number, station logo, game console icon, set-top box menu, etc. •• Other fixed screen images or repeatedly displayed images. Running [Pixel Cleaning] to Protect the OLED TV Screen The OLED TV is equipped with a pixel cleaning feature to check the status of the screen by itself and prevent image retention. This feature is automatically calculates the optimal execution time based on the accumulated viewing time and is automatically executed when the TV is turned off. While this feature is running, horizontal lines may appear at the top and bottom of the screen. The pixel cleaning feature works when the product is connected to the power cord and main power. •• To run this function manually, press the / button on the remote control, go to → [General] → [OLED Care] → [OLED Panel Care] and press [Pixel Cleaning]. Recommendations for Minimizing Image Retention When watching the TV for a long time, press the / button on the remote control, go to → [Picture] → [Select Mode] and set the mode to [APS], go to [Advanced Settings] → [Brightness] and set [OLED Pixel Brightness] to a lower level. In addition, press the / button on the remote control, go to → [General] → [OLED Care] → [OLED Panel Care] and set the [Adjust Logo Brightness] value to [High]. When showing images with black bars at the top/bottom/left/right side of the screen, press the / button on the remote control, press , and go to [Picture] → [Aspect Ratio] → [User Selection] → [Vertical Zoom] or [4-Way Zoom] to remove the black bars. Turn off the menus for setting up devices such as set-top boxes so that they are not displayed on the screen for a long time. Note •• When the screen is showing one fixed image for a long time, the screen brightness will be automatically reduced and then restored once the screen content changes. This is a normal function to minimise image retention. 11