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The parameters of 3mm LED? mainly include the following aspects:

發(fā)布時間:

2024-01-19 10:07


 

Emitting color: 3mm LED lamp beads can emit red, green, blue, yellow, white and other colors of light, and can emit more types of light by mixing the three primary colors of RGB in different proportions. 1
Brightness: Brightness is an indicator of the luminous effect of LED lamp beads. The appropriate brightness can be selected based on the application scenario and needs. Excessive brightness may increase power consumption and cost. 12
Working voltage: The normal working voltage of 3mm LED lamp beads is usually between 1.8V and 3.5V. This value will be affected by the color of the LED and the working current. 2
Current: The current is determined based on the brightness and working voltage of the LED lamp beads. Different brightness requires corresponding current support.

Luminous flux: Luminous flux represents the total amount of light emitted by the LED lamp bead within a certain period of time, and the unit is lumens (lm). The luminous flux of 3mm LED lamp beads can range from 1lm to 5lm, and the specific value depends on the color and current of the LED.

Viewing angle: The viewing angle refers to the range covered by the LED lamp light, expressed in angle. The viewing angle range of 3mm LED lamp beads is usually between 10 degrees and 50 degrees, but this can also vary depending on the color.

Wavelength: Wavelength is a parameter that describes the wavelength of LED light. Common wavelengths range from 400 nanometers to 700 nanometers, which is related to the color of the LED.

Lifespan: The lifespan of LED lamp beads is usually very long, reaching more than 10,000 hours, and has good long-term stability and reliability.

Power and packaging specifications: The power of 3mm LED lamp beads is generally between 0.3W and 0.5W. The specific power will also be affected by the packaging specifications. Common packaging specifications include patch packaging such as 3014, 3528, 35
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LED燈珠又稱發(fā)光二極管。使用范圍廣泛,其發(fā)光顏色有紅光、翠綠光、黃綠光、黃光、紫光、藍光、白光、橙光。以上是屬于單色光。又可做成雙色,三色。 那么對于它的可見光的光譜范圍又是多少??梢姽夤庾V的波長范圍為380nm~760nm,是人眼可感受到的七色光——紅、橙、黃、綠、青、藍、紫,但這七種顏色的光都各自是一種單色光。例如LED發(fā)的紅光的峰值波長為565nm。 在可見光的光譜中是沒有白色光的,因為白光不是單色光,而是由多種單色光合成的復合光,正如太陽光是由七種單色光合成的白色光,而彩色電視機中的白色光也是由三基色紅、綠、藍合成。由此可見,要使LED發(fā)出白光,它的光譜特性應包括整個可見的光譜范圍。但要制造這種性能的LED,工藝條件下是不可能的。 根據(jù)人們對可見光的研究,人眼睛所能見的白光,至少需兩種光的混合,即二波長發(fā)光(藍色光+黃色光)或三波長發(fā)光(藍色光+綠色光+紅色光)的模式。 上述兩種模式的白光,都需要藍色光,所以攝取藍色光已成為制造白光的關鍵技術,即當前各大LED制造公司追逐的“藍光技術”。國際上掌握“藍光技術”的廠商僅有少數(shù)幾家,所以白光LED的推廣應用,尤其是高亮度白光LED在我國的推廣還有一個過程。

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