Research Institute IHS pointed out that the cost of organic light-emitting diode (OLED) panels for mobile phones has been gradually reduced and they are close to the liquid crystal display panel (LCD). However, the cost of OLED panels for television use has fallen, but it is still difficult to get close to LCD TV panels.
IHS indicated in the invitation document for the China Display and Materials Seminar that regardless of mainstream or entry-level high-end smart phones, the proportion of OLED panels used is increasing, and the penetration rate of OLED panels in the smartphone display panel market is rapidly increasing.
However, IHS believes that the television panel market is different from the mobile phone panel market, and the production yield of large-size OLED TV panels is still relatively low, and it requires a lot of investment. Therefore, the manufacturing cost of a 55-inch ultra-high resolution OLED TV panel is estimated to be 2.5 times higher than the LCD cost. LCD panels still have higher cost competitiveness in television applications.
IHS shows that OLED is a self-luminous display, and LCD is passive light. Basically, self-luminous displays require fewer components and materials than passive displays. If the components and materials are reasonably priced and the production yield exceeds 80%, the cost of a self-luminescent display will be lower than that of a passively illuminated display.
IHS emphasized that OLED TV panels are at the initial stage, so the total material consumption is small, the price is high, and the production yield still needs further improvement. On the other hand, for LCD TV panels, all kinds of materials and components are already available for LCD, and the total amount of materials and components consumed is huge and the competition is fierce. Therefore, the panel components and materials are relatively low in price, and the LCD panel yield is also higher than 80%, which has a certain competitive advantage.
Hydraulic Cable Tensioner
The stringing hydraulic tensioner machine is composed of the main and driven wheels fixed with wheel groove liners arranged in parallel, and two or more wheel groove liners are also fixed on the main and driven wheels. When the conductor is pulled by external force, two wheels rotate, and only the driving wheel with large diameter is affected by external braking force. The materials with different friction coefficients are selected to make the wheel groove gasket to make the conductor bear uniform force, avoid the phenomenon of the conductor playing a lantern, protect the conductor and make the tension wheel release the conductor at a uniform speed. At the same time, the weight of the whole machine is reduced, the volume is reduced and the cost is reduced. Each friction wheel uses a hydraulic motor to drive the star gear, which has high transmission efficiency and will not damage the wire due to the setback when the film is stopped and restarted. The friction wheel has a special pad to protect the conductor, which is easy to replace and ensures a service life of up to 1200 working hours. Patented automatic rope fixing with grounding and wire pressing function.
The cable stringing tension machine is used for tension stretching and reverse pulling of single conductor in flat, mountainous and hilly terrain. Hydraulic cable tensioner machine is a kind of mechanical equipment which can provide resistance moment to make conductors, ground wires and optical cables spread through double drums under a certain tension. It is used to tense one or more conductors, ground wires and optical cables to obtain good tension state.
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