The OLED is an organic light emitting diode and an organic semiconductor device; its basic structure is as follows: a metal cathode, an electron transport layer, an organic light-emitting layer, a hole transport layer, an anode, and a glass sink.
In general, the advantages of OLED are as follows: 1. Active illumination, high luminous efficiency; 2. Fast reaction time (on the order of 1 μs); 3. Low operating voltage (3 to 10 V); 4. Wide viewing angle (>170) ° Above); 5. Thin panel thickness (<2mm); 6. Low power consumption, <LCD power consumption 50%; 7. Wide operating temperature range (-40 ~ +85 °C); 8. Can use a suitable organic substrate The material can also realize an all-organic, flexible and foldable flexible device.
At present, OLED lamps are used in a wide range of applications, such as: 1 lighting panels for residential and commercial buildings; 2 for OLED "wallpapers" for large billboards and signage boards, even up to 200 square feet; 3 home and office discoloration Flat panel lights and large-area wall and ceiling panel lights; 4 large-area LCD TVs and display backlights; 5 office windows, walls and partitions can be used as both flat panel and computer screens; 6 can also be used for ultra-light wall-mounted TVs Monitors, etc.
LEDs are closely related to OLEDs. Then, compared with the two, LED lamps can provide high energy efficiency and long life, but the manufacturing cost is too high, so it is limited to special applications; OLED lamps are different from LED point sources, which are very thin planar distribution. The light source can be manufactured on a large scale, large area, and low cost, so that new application fields can be developed.
The application of OLED in small and medium screens will soon come, but in the application of TV screens, the technology is still immature and the cost is very high. In the future, "8-10 years of LCD TVs will still be the market leader.
Nowadays, the stability of OLED materials and the technology of package sealing have yet to be improved. The cost of OLED is high. If there is no new technological breakthrough, whether it is applied to display or lighting, OLED will be difficult to popularize in the short term. It is expected that LCD and LED will remain mainstream technologies in the next 10 years. With the advancement of OLED technology, it is expected to gradually enter the mainstream market, but it may also coexist with LCD and LED, complement each other, and not completely replace it. Namely: LED people can be a beautiful man quietly!
Perhaps, in the next few years, OLED will gradually enter the field of display and lighting, occupying part of the LCD and LED market share, and will fly high in 10 years.
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