—— YUJILEDSTM High Lumen Density High CRI COB Series Thanks to the development of science and technology, men are able to use natural resources increasingly efficiently. The development and application of solid-state lighting (SSL) technology is a good example. Traditional...
There are numerous buyer’s guides nowadays on how to choose a desk lamp for you. Considerations include the place, interior design, the lamp’s size, style, and its functions. As an expert in high quality light source, YUJILEDSTM knows what qualities...
#4-LED PHOSPHOR During the last several posts, we’ve analyzed the leading factors of LED lead frames, chips and encapsulants in terms of their qualities and costs. Now, we are moving to the finale of our “high quality LED” series, the...
#3-LED ENCAPSULANT After analyzing LED lead frames and chips in terms of their qualities and costs, this time we will talk about another component in all LED products—the encapsulant. LED packaging encapsulant As we know, the chip is the core...
#2-LED CHIP Following the last several posts where we talked about the key factors of LED lead frames in terms of their qualities and costs, today let’s move on to the core component of all LED products—the CHIP. What is...
#1-LED LEAD FRAME Part - 3 Material Selection 3: Design LED lamps are directly or indirectly exposed to the air with a certain degree of moisture. Imagine there’s a poorly designed structure that is not moisture resistant enough, and the...
#1-LED LEAD FRAME Part - 2 Material Selection 2: Synthetic Resin At present, PPA, PCT and EMC are among the most commonly used materials. PPA and PCT are thermalsoftening1 plastics, while EMC (mainly made from of epoxy) is thermosetting2....
#1-LED LEAD FRAME Part – 1 As a consequence of LED technology development and its widespread adoption, prices are falling substantially and continuously on LED lighting market. While price wars are everywhere among manufacturers, suppliers and sellers, products of similar...
Yuji publishes second generation of SDCM for BC sereis products (G02). This time we optimize the performance as below: 1. Shrink the overall range as the half of G01 size. 2. DUV is about ≤0±0.003, CCT tolerance is even reduced...
Light is one of the most essential environmental factors for plant growth. It is not only the basic energy source for photosynthesis, but also an important regulator to plant growth and development. Plant growth and development is affected not only...
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Organized by the HKTDC and held at the HKCEC, the Hong Kong International Lighting Fair (Autumn Edition) is the largest autumn lighting fair in Asia. Exhibits include advertising lighting, commercial lighting, household lighting, LED & green lighting, lighting accessories, parts...