Part of the bus for LED display public proposal of large-scale use

Recently, many people are surprised to find that Qingdao is part of the front bus line cards instead of double color device in the past, replacing the LED screen, and scroll at the end of the first station. It is understood that the current Qingdao bus installed the LED display in the Daocheng 50 students on the car, some people said that part of the bus line cards at night is not bright enough, to identify the line depends on the body color, and the future of Qingdao bus whether large-scale replacement of the LED display? The evening of September 3rd, who lives in Chengyang public Lee found in Harbin bus on the road, many bus line cards are very dark, even can not see the line number, one to read. Recently, reporters on the road to see the part of the bus line card into the LED screen, not only can show the line number, and the site also scroll, for this change, many people think it is very fresh. According to the reporter, for all student car bus to replace the LED display in the front, and the use of ordinary bus line cards are double color materials, according to the needs of the cutout figures in the black plate, yellow plate installed behind a row of LED LED light, the use of this material to relatively cheap and convenient, but for a long time easy to dust block panel, resulting in reduced brightness luminous plate. In this regard, some people say, Qingdao bus whether large-scale use of LED screen? On this issue, the reporter interviewed the bus sector. "Now use a combination of light block type circuit board, can only display the number, if you want to display Chinese characters, such as' a certain cell so and so road ', the Chinese characters have to paste tape. According to the bus company staff, although the combination of light block type line cards exist certain shortcomings, but also has its merits, "the line card is not easy to damage, bad is also relatively easy to maintenance, purchase cost and maintenance costs are relatively low, economic comparison. "LED display is not cheap, at present in Qingdao, in addition to the 50 student car is equipped with a LED screen, the other bus line has not yet universal plan. According to the bus company staff, the 50 student car equipped with LED display each will cost about 2000 yuan, but also to debug installation, even if the general LED display to thousand yuan.