Development and application of LED flexible neon lights

1, the background

Because neon lamps have the characteristics of uniform and continuous light, they have been widely used in the decorative lighting market for many years. In the commercial field of facades, signs, subtitles, hotel bars, building outlines and other decorative lighting places have neon flashing figures. However, the traditional neon lamp uses a glass tube, which is defective in packaging and transportation, and is difficult to manufacture and install.

A long time ago, people were expecting to install small bulbs in wires for decoration and lighting. Nowadays, this kind of lamp has spread all over Europe, America and Asia, and has entered the streets and walked into people's lives. We refer to this soft, tubular, long strip of lamps as "hose lights."

2. Development of hose light technology

Hose lamps are also known as "plastic neon lights" or "flexible neon lights" in the lighting decoration market. The hose lamp has the following characteristics: automatic machine extrusion molding during production, low production cost, free bending when used, safe and reliable, and can be randomly patterned by consumers according to needs. It overcomes the defects that the glass neon lamp is easy to be broken, difficult to transport, high in production cost, can not be bent at will, has poor safety performance, and needs special person to install and maintain. At the same time, the hose light also has the characteristics of distinguishing other analog neon products, and gradually replaced the glass neon in the ordinary decorative lighting market.

However, the early hose lamps did not really replace the glass neon after 20 to 30 years of promotion. Especially in the decorative lighting market where the light effect is relatively high, a large number of glass neon lights are used. The reason is that the light source coated in the hose lamp tube is a single point-like illuminator, such as a micro bulb or an LED, which is longitudinally arranged in the lamp tube at intervals, and the granular point light source is emitted. The light can't reach the beauty of the uniform continuous light of the neon. Therefore, the decorative lighting market has been expecting a hose lamp that can truly have a uniform continuous light effect.

U.S. Patent U., issued on August 19, 1986. S. 4607317 highlights an invention known as "non-neon light", the invention of a perforated hose lamp. This patented hose lamp has superior safety, packaging, installation, use and maintenance performance over glass neon. However, the light emitted by such a granular point source still does not achieve the same uniform light as a neon.

U.S. Patent U., issued on February 13, 2001. S. The patent name of 6186645B1 is "flexible lighting system and installation method". The product can diverge the light from the hose light source to achieve a uniform light output from the hose light. The invention basically achieves a uniform continuous light effect of mutually simulating neon lights, but its light effect still needs further improvement.

U.S. Patent No. 6,565,251 B2, issued May 20, 2003, has improved the structure of the hose lamp, but has not yet achieved a uniform continuous light effect of the neon lamp.

In order to develop the world-leading advanced technology in the field of neon lights and solve the technical bottleneck of neon lights, some lighting companies began to invest a lot of manpower and material resources in the 1990s, and introduced multi-party resources to focus on the development of hose lamps. In August 2003, Hong Kong Zhenmingli Group applied for a utility model patent entitled “A Hose Improvement Structure for Hose Lamps” and Patent No. ZL200420042364.8. In addition, during the period from 2003 to 2004, the group applied for eight utility model patents for the improved structure and lighting device of the hose lamp. In order to provide a modified structure of hose light with true neon uniform continuous light effect, after long-term research and experiment, Hong Kong Zhen Mingli Group invented a hose lamp named "LED Flexible Neon" in 2005 and succeeded. Applying the invention patent 200410032066.5, the problem of uneven and continuous hose light line is better solved.

3, LED flexible neon features

LED flexible neon is a professional linear lighting decoration product. Although it looks like it is no different from ordinary neon lights, it can be bent at will. It has shatterproof and waterproof functions and can be used indoors and outdoors. The characteristics of LED flexible neon compared to traditional neon are as follows:

(1) Traditional neon lamps have large investment and complicated production process. There are many inconveniences when using glass tubes, high-voltage electricity and inert gases. Flexible neon lights with a new structure and LED technology, the special PVC casing is covered with bright LED bulbs, using unique optical technology and special shell design, which not only increases the intensity and uniformity of light, but also reduces the process flow. Increased production efficiency.

(2) The traditional neon lamp can only work at normal temperature. The voltage must be increased during use, the power consumption is also large, the cost is high, the service life is short, and the maintenance is inconvenient. The flexible neon lights at each point are cold light, only emitting low heat. The same brightness LED is only equivalent to one-seventh of the traditional light bulb. The traditional neon consumes 28.7W/m, while the flexible neon It is only 4.7W/m or 6.6W/m, and the LED has a longer life than the traditional bulb, and the LED flexible neon also has shockproof and heat-resistant functions.

(3) The traditional neon lamp uses a transformer to raise the voltage of 220V to the inert gas in the 15000V excitation glass tube, and emits a single color of light along the contour of the font pattern. Two sets of glass tubes are required for the two colors. The font is too big, and the middle of the stroke is not bright; too filial is too complicated to be processed. The flexible neon working voltage only needs 24V, only emits low heat. It can also be cut into any length during installation. It can be bent into different shapes (can be bent to a circle with a radius of only 4cm). It is convenient to use special track and different materials. The surfaces are mounted together, such as wood, plastic, steel or walls, and can be decorated to different patterns according to the designer's needs.

4 Conclusion

For Chinese lighting companies, lighting production and scale have been large, but when competing with foreign companies, the biggest pressure comes from technology. However, the current status of vicious competition in the industry is not conducive to technological transformation and upgrading of enterprises. Under the tide of economic globalization, Chinese lighting companies must go out and master their own technology is the most urgent. The LED flexible neon has been applied to the Hohhot Islamic Pedestrian Street. The simple line lights outline the quaint beauty of the building, based on the light to avoid the damage caused by the light. The elegant, unified and pure light effect blends with the scenery, expresses the exotic atmosphere of the building, and renders the local cultural characteristics, becoming the iconic lighting project of Hohhot.



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