In the first issue of 2004, the magazine published the article “Opening up the new interior of LED indoor landscape decoration – color wall screen†by Shenzhen Waco Semiconductor Lighting Co., Ltd., which has been concerned and welcomed by many users and enterprises. General specifications for readers' reference
- Editor's note
The "Generic specification for LED panels" issued by the Ministry of Information Industry of the People's Republic of China, which is under the jurisdiction of the China Electronics Standardization Institute, is of great interest to LED display production and installation companies. Knowledge for the reference of producers and users of such products.
First, use the following abbreviations and define LED display
1, LED light-emitting diode: ligth emitting diode
2, LED display: LED panel through a certain control mode, used to display text, text, graphics, images, animation, market and other information and TV, video signals and display screen composed of LED device array.
3. Display unit: The smallest unit of the LED display that is determined by the circuit and the installation structure and has a display function.
4. Fatal failure: Critical defect may cause harm or unsafe condition to the person who uses or maintains the product or related to it, or the important characteristics of the unit product do not meet the requirements or the quality characteristics of the unit product are seriously not in conformity with the regulations.
5, out of control point: out-of-control point The state of illumination does not match the display state of the control requirements and is a discrete distribution of LED basic light-emitting points.
6, pseudo-color LED display: pseudo-color LED panel in different areas of the LED display to install LED display of different color single-color LED devices.
7, full-color LED display: all-color LED panel consists of red, green, blue three primary color LED devices and can be adjusted to a variety of color LED display.
Second, LED display classification
1. Use environment: LED display screen is divided into indoor LED display and outdoor LED display according to the use environment.
2, display color: LED display is divided into single primary color LED display (including pseudo color LED display), dual primary color LED display and full color (three primary color) LED display. According to the gray level, it can be divided into 16, 32, 64, 128, 256 gray LED display.
3, display performance: LED display according to display performance is divided into text LED display, graphic LED display, computer video LED display, TV video LED display and market LED display. The market LED display generally includes LED displays for securities, interest rates, futures, and the like.
4, the basic light point non-line type LED display, indoor LED display according to the LED single point diameter can be divided into Φ3mm, Φ3.75mm, Φ5mm, Φ8mm, and Φ10mm display; outdoor LED display according to the use The pixel diameter can be divided into LED displays such as Φ19mm, Φ22mm and Φmm26. In the market type LED display, the size of the digital tube can be divided into 2.0cm (0.8inch), 2.5cm (1.0inch), 3.0cm (1.2inch), 4.6cmm (1.8inch), 5.8cm (2.3inch), 7.6. LED display such as cm (3 inch).
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