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Company News >> The penetration rate of smartphone OLED panels will reach 46% in 2021. 15th,Oct,2018
                                              It is reported that Samsung's sales of OLED production lines have been reduced due to lower-than-expected sales of iPhone X. The tight supply of OLED panels has also eased in the past two years. According to the WitsView data of TrendForce's Optoelectronics Division, Apple has begun to drive the development of OLED panels. It is expected that the penetration rate of smartphone OLED panels will reach 46% in 2021. Due to the impact of OLED technology maturity and competitive costs, Mini LED may be difficult to gain growth momentum in the smartphone market in the short term.

WitsView pointed out that the current Samsung OLED panel supply has been occupied by the iPhone and high-end Samsung smartphones, while the yield of other OLED panel manufacturers is still low. Therefore, mobile phone manufacturers have been trying to find alternatives for various flagship models. The Mini LED is considered a viable option because it is comparable to OLEDs in terms of high color saturation, high contrast and support for HDR.

However, the advantages of OLEDs are even more pronounced. In addition to high color saturation, high contrast and fast response, the biggest advantage of OLED panels is their self-illumination and flexibility, making handset manufacturers more flexible in terms of thickness and design of mobile phones. The Mini LED can be used as a transition product before the Micro LED is fully in volume production. With the original LCD structure unchanged, the size of the LED chip will be reduced to 100 to 300 microns, and the LED can be placed in the backlight module by matrix sorting. For example, in a 5.5-inch FHD display, the number of LEDs used is as high as 2,000 to 10,000. A smaller number of LEDs require a longer optical distance, which allows the device to have a greater thickness. Although a large number of LEDs can reduce the required optical distance and increase uniformity, making the entire device thinner, it can cause heat dissipation problems and make the cost even higher. At present, how to achieve this balance is still a major bottleneck for manufacturers.

From a cost perspective, OLEDs are more competitive at this stage. For example, a 5.5-inch hard OLED panel costs about 17 to 18 US dollars; but for a Mini LED backlight with the same size and the same resolution, the cost may double, reaching 35 to 40 US dollars. With the release of OLED supply news, WitsView said that in the long run, OLED smartphone panel prices are relatively weak, and the decline in LTPS panel prices will put more pressure on Mini LED. Therefore, if the Mini LED can not reduce its cost, it will be difficult to compete with the OLED panel in the high-end smartphone market.

The cost of using a Mini LED in a smartphone backlight depends on the number of LED chips used and the efficiency of the wafer. As a result, many LED manufacturers are attempting to reduce costs through different technical solutions, such as optical adjustment to reduce the number of LED chips, or increase the transfer efficiency of chip bonding machines to reduce the cost of bonding.

However, in niche markets with higher total profits, costs are not a priority for suppliers. Therefore, Mini LEDs will have more opportunities in the niche market.

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