The scientific and technological strength of a company can often reflect the hard power of the company, and the enterprises that master the core technology are often invincible. Lehman shares have always insisted on technological innovation. Recently, the company received the national intellectual property notice, and its declared “LED and its packaging method†(ZL201210339077.2) obtained the national invention patent authorization. The patent protects the core technology product developed by Lehman after three years of "asymmetric" in-line LED devices.
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It is well known that LED displays will be mounted at a certain height, and people's viewing angles are looking up. Therefore, only the light emitted by the lower viewing angle is the effective light, and the light emitted by the viewing angle on the display screen is the invalid light that cannot be seen by the viewer. Lehman's invention patent, through the asymmetric optical design of the in-line LED device, converts the invalid light of the viewing angle on the LED display to the effective light of the lower viewing angle, which significantly improves the display screen in the lower viewing angle. Depending on the brightness in the range, the LED display can be saved. The LED display with asymmetric in-line device can save more than 30% energy compared with the traditional in-line LED display, which significantly reduces the operating cost of the advertising operator.
In addition to excellent energy-saving effects, the LED display of the asymmetric in-line device has better viewing performance than the LED display of the conventional in-line device. Because Lehman's asymmetric in-line LED device has a lower viewing angle of up to 40°, while the conventional in-line device has a viewing angle of only 25°, the asymmetric LED device greatly enhances the light distribution effect in the lower viewing angle range. The effective viewing range provides a viewing effect far superior to that of conventional in-line device LED displays.
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The LED display of the asymmetric in-line device has the advantage of significantly reducing light pollution compared with the conventional LED display. By rationally designing the optical design of the asymmetric LED, the light is distributed within the effective viewing range, and the light in other ranges is significantly reduced. In the upper viewing angle range, different viewing angles can reduce light pollution by 10%-50%, and in the invalid viewing range of the lower viewing angle, light pollution can be reduced by 10%-60%, and the light pollution of the LED display screen of the asymmetric in-line device is obviously reduced. .
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At present, the asymmetric in-line LED devices on the market, Lehman shares dominate the market, there is no identical or similar products in the market, Lehman shares is an innovator of asymmetric in-line LED device products. The Lehman shares obtained the invention patent license for asymmetric in-line LED devices, which will enrich the core intellectual property rights of the company's LED products and improve the technical content of its own products, providing strong technical support for the rapid development of the company's LED industry.
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