Brightness: generally set at 60-80. Shandong full color is too bright easily lead to eye fatigue, 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, Qingdao full color, 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, indoor full color, with HZ units. The higher the refresh rate, p10 full-color screen, the screen displays the more stable, less light flashes. Most people's eyes to 75HZ refresh rate above the basic feel flicker, 85HZ above is no light flashes. CRT different types of Shandong full color picture tube: Linyi monochrome screen display which is one of the largest part of the production of technological change, Linyi color screen is also an important criterion to measure the grade level of a monitor, Linyi full color picture tube in accordance with the different surface flatness It can be divided into spherical tubes, flat rectangular tube, cylindrical tube, flat tube. Electronic full color, Yasuhiro optoelectronics, Qingdao, Linyi full color provided by Thai-Hong Electronics Co., 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!