A good LED display can not only give us visual impact, but also increase advertising propaganda, now LED large-screen display is an effective means for many corporate propaganda, it makes up for a single picture of the traditional billboards, and color The bright color never fades, and the picture effect is good. Judging the quality of a LED electronic display should start from the following aspects:
1. Flatness The surface flatness of the screen should be within ±1mm to ensure that the large-screen LED display image does not distort, and local raised or recessed leads to a blind angle in the viewing angle of the screen. The flatness is mainly determined by the production process.
2. Is there a mosaic or dead point? Mosaic refers to the small or bright four-square block that appears on the screen. It is a necrotic phenomenon in the module. The main reason is that the quality of the connector used in the screen is not critical.
The dead point refers to the single point of the light or darkness that appears on the big screen. The number of dead spots is mainly determined by the quality of the die.
3. Brightness and viewing angle The brightness of indoor full-color screen should be above 800cd/m2, and the brightness of outdoor full-color LED display should be above 1500cd/m2 to ensure the normal operation of the screen. Otherwise, the brightness will be too low to see. Clear the displayed image. The brightness is mainly determined by the quality of the LED die.
The size of the viewing angle directly determines the size of the large-screen audience, so the bigger the better. The size of the viewing angle is mainly determined by the packaging method of the die.
4. There is a color block color block is that there is a more obvious color difference between adjacent modules, the color of the transition to the module as a unit, causing the color block phenomenon is mainly due to poor control system, gray level is not high, scanning The frequency is lower.
5. White balance effect White balance effect is one of the most important indicators of the screen. In color science, when the ratio of the three primary colors of red, green, and blue is 1:4.6:0.16, pure white color will be displayed. If the actual proportion is slightly different, there will be a white balance deviation. Generally, it should be noted whether the white color is bluish or yellowish. Green phenomenon. The quality of white balance is mainly determined by the screen's control system, and the die also influences the reproducibility of colors.
6. Reducibility of the color Reducibility of color refers to the reduction of color on a large screen, and the color of the LED large-screen display should be highly consistent with the color of the playback source, so as to ensure the realism of the image.
Welcome to inquire - led display price - "project budget", "how to construct", "model selection", "procedure approval" and other related issues, professional casting quality! LED full color screen manufacturing experts, your best partners are welcome to inquire.
1. Flatness The surface flatness of the screen should be within ±1mm to ensure that the large-screen LED display image does not distort, and local raised or recessed leads to a blind angle in the viewing angle of the screen. The flatness is mainly determined by the production process.
2. Is there a mosaic or dead point? Mosaic refers to the small or bright four-square block that appears on the screen. It is a necrotic phenomenon in the module. The main reason is that the quality of the connector used in the screen is not critical.
The dead point refers to the single point of the light or darkness that appears on the big screen. The number of dead spots is mainly determined by the quality of the die.
3. Brightness and viewing angle The brightness of indoor full-color screen should be above 800cd/m2, and the brightness of outdoor full-color LED display should be above 1500cd/m2 to ensure the normal operation of the screen. Otherwise, the brightness will be too low to see. Clear the displayed image. The brightness is mainly determined by the quality of the LED die.
The size of the viewing angle directly determines the size of the large-screen audience, so the bigger the better. The size of the viewing angle is mainly determined by the packaging method of the die.
4. There is a color block color block is that there is a more obvious color difference between adjacent modules, the color of the transition to the module as a unit, causing the color block phenomenon is mainly due to poor control system, gray level is not high, scanning The frequency is lower.
5. White balance effect White balance effect is one of the most important indicators of the screen. In color science, when the ratio of the three primary colors of red, green, and blue is 1:4.6:0.16, pure white color will be displayed. If the actual proportion is slightly different, there will be a white balance deviation. Generally, it should be noted whether the white color is bluish or yellowish. Green phenomenon. The quality of white balance is mainly determined by the screen's control system, and the die also influences the reproducibility of colors.
6. Reducibility of the color Reducibility of color refers to the reduction of color on a large screen, and the color of the LED large-screen display should be highly consistent with the color of the playback source, so as to ensure the realism of the image.
Welcome to inquire - led display price - "project budget", "how to construct", "model selection", "procedure approval" and other related issues, professional casting quality! LED full color screen manufacturing experts, your best partners are welcome to inquire.
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