White Display
The Betlux white display consists of a white bar graph, a white dot matrix display, a white SMD display, and a white seven-segment display.
White LED displays typically use LEDs (Light Emitting Diodes) with a specific combination of LED types to produce white light. The most common method to create white light in white LED displays is to use a blue LED chip with a phosphor coating. Here’s how this works:
- Blue LED Chip: The primary light source in a white LED display is a blue LED chip. Blue LEDs emit short-wavelength blue light when an electrical current passes through them. These blue LEDs serve as the base for creating white light.
- Phosphor Coating: To generate white light, a phosphor coating is applied over the blue LED chip. The phosphor is a fluorescent material that absorbs the blue light emitted by the LED chip and re-emits it as a broad spectrum of colors, including red, green, and yellow. The combined output of these colors results in white light.
- Color Mixing: The blue light from the LED chip and the various colors produced by the phosphor coating mix together to create a white light output. The specific color temperature of the white light (ranging from warm white to cool white) can be adjusted by altering the characteristics of the phosphor coating.
White LED displays can also incorporate other LED types or technologies, such as RGB LEDs, but the blue LED with a phosphor coating is the most common method for producing white light. Here are some additional details about the types of LEDs used in white LED displays:
- RGB LEDs: While not the most common approach for white LED displays, some displays use a combination of red, green, and blue LEDs to create white light. By adjusting the intensity of each color, displays can achieve various shades of white.
- OLEDs (Organic Light Emitting Diodes): OLEDs can be used in white OLED displays. They emit light directly when an electrical current is applied, making them suitable for thin and flexible displays.
- Quantum Dots: Quantum dot displays use blue LEDs to excite quantum dots, which then emit light in a specific color. By using quantum dots, displays can achieve a wide color gamut and accurate color reproduction, including white.
- UV LEDs with Phosphor: In some specialized white LED displays, ultraviolet (UV) LEDs are used in combination with a phosphor coating. The UV light excites the phosphor, leading to the emission of visible white light.
It’s important to note that the specific design and type of LEDs used in white LED displays can vary depending on the manufacturer and the desired characteristics of the display. The use of blue LEDs with a phosphor coating remains the most prevalent method for creating white light in LED displays due to its efficiency, color consistency, and long lifespan.
The following is a partial list of the fields in which it finds widespread application:
- kitchen appliances, including rice cookers, electric ovens, microwaves, juicers, extractor hoods, disinfection cabinets, electric frying pans, beat eggs, soybean milk machines, coffee makers, toasters, and many more.
- Home and garden goods, including charcoal grills, gas grills, and electric grills;
- The Premises Clean Series includes not just electric irons, electric dryers, and electric irons, but also electric insect repellents, electric vacuum cleaners, and an electric dryer deodorizer.
- Examples of products that are meant to improve the quality of life inside include electric fans, dehumidifiers, humidifiers, air purifiers, negative oxygen ion generators, and mini electronic freezers.
- Conventional and far-infrared heaters are two of the classifications that heaters fall under;
- Medicinal products such as the “slimming beauty” capsule, a foot massage, audio electrotherapy, and swing planes
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