The knowledge that Xiaobian brings to you today is what is the difference between the positive display and the negative display of the LCD screen.
1. Positive display: The so-called positive display is that the color of the content displayed on the LCD screen is darker than the background color, such as: black characters on a yellow-green background (yellow-green screen) gray-white black characters, such screens generally display better in sunlight. . The bottom is gray and white/green, the characters are black, and the color of the characters should be darker than the background color, that is, positive display; there is a relatively simple way to distinguish, that is, the color of most positive displayed words is black, just now It is said that such screens display well in sunlight, and it is precisely because the characters are black that they are not easily affected under direct sunlight.
2. Negative display: The so-called negative display means that the color of the displayed content should be lighter than the background color, such as white text on a blue background (blue screen), white text on a black background (VA segment code screen). The indoor display effect is better than the positive display. The bottom is black/blue, the characters are white, and the color of the characters is lighter than the background color, that is, the negative display; there is also a relatively simple way to distinguish, that is, the color of most of the negatively displayed words is white, because the LCD screen It does not emit light by itself. The color of the negative display is actually the color printed by the backlight through the glass, and the white type of the backlight is also white. In other words, the negative display must have a backlight to display the content. At the same time, there is also a very common practice in negative display, that is, color silk screen printing, and the LCD screen after silk screen printing will become colorful and diverse.
