1, the driver chip also has high and low points, the price and performance have greatThe difference is that drivers of different prices are generally used for demand, such as customers who do not have large requirements, they use low-priced chips, the cost is low, and the display effect is naturally worse than that of high cost. You get what you pay for. But many people do not understand why the effect of the LED screen is good and bad, always feel that it should be the same effect.
2, the screen chip is the chip used to drive the light screen. LED display special driver chip is a chip that provides compensation current for LED, acting as a microprocessor (microprocessor) and liquid crystal display (LCD) betweenInterface. The performance of the driver chip determines the effect of the broadcast of the LED display screen, which is a key component, just like the central nervous system of the human brain, which is in charge of the body's physical actions and the operation of the brain's thinking consciousness.
3, LED is a solid-state semiconductor device, can convert electrical energy directly into light energy. The core of LED is a semiconductor chip. One end of the chip is connected to the bracket, which is the negative electrode, and the other end is connected to the positive electrode of the power supply. The entire chip is encapsulated in epoxy resin. Semiconductor chips consist of two parts: P-type semiconductors, which are dominated by holes, and N-type semiconductors, which are dominated by electrons. but, which includes PI, ST, NXP, Maxim, Fairchild, Taiwans manufacturers, and domestic brands. For high-end applications, well-known brands of IC products are usually selected.
At present, the main manufacturers of LED display driver chips are TOSHIBA (Toshiba), TI (Texas Instruments), SONY (SONY), MBI{Ji Ji technology}, SITI (point crystal technology) and so on. In the domestic LED display industry, these chips have applications.TOSHIBA products are more cost-effective and have the highest market share in the domestic market.
LED control IC is mainly used in full-color gradient dimming control of guardrail lights, LED decorative lights, landscape lights and other RGB full-color light source lamps synchronous scanning, full-color color control.
General purpose chips are generally used for low-end LED display products, such as indoor single and two-color LED display screens. The most commonly used general-purpose chip is the 74HC595, which has an 8-bit latch, serial-and-shift register, and three-state output. Maximum output of 35 mA per circuit (notConstant current). General IC manufacturers can produce such chips.
1. Sticker. Check the control card for a product model label. If there is a model, you can find it by searching the model directly. LED panel is a display of various information such as text, graphics, images, animation, market, video, video signal, etc. by controlling a semiconductor light-emitting diode.
2, noFirst, to determine what brand of control card? What type of control card is it? And what about the means of communication? First of all! To find the position of the LED screen control business card printing, the general display control card is on the right hand side of the display you face, the most side position. In the image below, I marked the locations with red arrows. Second, find the make and model number on the control card.
3, LED beads how to see the model and size? LED patch common lamp bead specifications and parameters 060080123525050 refer to the size of LED light components commonly used on LED lights(imperial/metric) terminology, such as 0603 refers to a length of 0.06 inches and a width of 0.03 inches. Note, however, that 3528 and 5050 units are metric.
4, sticker. Check the control card for a product model label. If you have a model, you can find it by searching the model directly. The circuit board. The circuit board of the control card generally has a model.
1, the screen chip is the core screen driver chip used to light the screen, just like the center of the human brainNerves, in charge of the body's physical actions and the operation of the brain's thinking consciousness, the level of its performance determines the screen effect.
2, the screen chip refers to the core hub that controls the display, brightness and color of the screen, which plays a very important role.
3, the screen chip is a chip specially used to control the display screen, which is responsible for processing image and video signals to drive the display screen to present a clear picture. The screen chip is not a direct substitute for the lithographic chip.