Brightness: generally set at 60-80. Shandong full color is too bright easily lead to eye fatigue, advertising full color, Shandong led display also uses phosphor premature aging. Contrast: Linyi led display and can be set at 80-100. Refresh rate: Linyi color screen is less than 70HZ, will feel flashes, Shandong full color computer please refresh rate increase. That field frequency refresh rate refers to the number of times per second heavy Shandong full color screen factory complex drawing, p7.62 full color, with HZ units. The higher the refresh rate, the more stable the screen display, Qingdao, full-color, flashes smaller. Most people's eyes to 75HZ refresh rate above the basic feel flicker, 85HZ above is no light flashes. Metal framework Shandong full color Indoor screen generally consists of an aluminum alloy (angular aluminum or aluminum square tube) constituted within the framework of electronic full-color, Shandong led display mounted display board and other boards and switching power supply, led display outside Linyi brown aluminum frame with square tube, Shandong color screen or aluminum alloy stainless steel, or made of sheet metal integration. Shandong outdoor screen display screen body frame according to the size and weight capacity is generally angle or beam structure, electronic display frame can be aluminum plate for decoration. Door first full-color screen | Yasuhiro Optoelectronics | Qingdao full color provided by the Thai-Hong Electronics Co., Ltd. Linyi. Linyi Wang Tai Electronics Co., Ltd. (www.ledzkd.com) (www.ledzkd.com) quality of service and products, continue to receive the recognition and trust of new and old customers and the industry. Our company is a certified member of the whole alliance network operators, business alliance customer service icon on the page, you can talk directly with our customer service staff, to our future cooperation happy!