Apple "just wants to move" Google pushes, where is the OLED screen for mobile phones?

Recently, Google said that mobile phones supporting the mobile VR platform Daydream, in addition to the need to handle 60 fps frame rate and the appropriate GPU, Android 7.0 Nougat and above, but also equipped with OLED display.

Earlier, it was reported that Apple's next-generation smartphone, the iPhone 8, will be equipped with an OLED screen. Driven by two international giants, Google and Apple, OLED displays are gaining attention.

LCD "standard" era, OLED has great potential

LCD (liquid crystal display) and OLED (organic light-emitting diode) are two main display technologies of mobile phones. Once LCD display was the standard of most mobile phones, Apple has introduced the iPhone series using LCD. screen.

As LCD screens are being used to the extreme by manufacturers, the new display technology OLED has begun to emerge and win market attention.

The OLED screen used in mobile phones usually refers to the AMOLED (Active Matrix Organic Light Emitting Diode) screen, which is the biggest difference from the LCD display. The former is self-illuminating and the latter uses a backlight. The difference in the principle of illumination leads to differences in display: OLEDs have a cleaner black and a higher contrast.

In addition, OLEDs are power-saving, thin, and flexible compared to LCD displays.

Samsung used AMOLED display technology to create a stunning screen mobile phone such as the Galaxy S7 and Galaxy Note 7.

Google Daydream requires that the adapter phone must be equipped with an OLED screen, in order to reduce the vertigo caused by the VR device. The active OLED screen reduces Persistence, making the trajectory of the VR consistent with the actual physical trajectory, which reduces the stun caused by the VR device, which is not possible with LCD screens.

Apple "just wants to move" Google pushes, where is the OLED screen for mobile phones?

â–² OLED screen Huawei Mate 9Pro supports Daydream (Source: Zhongguancun Online)

In the future, smartphone thinning and folding will become a trend, and mobile phone manufacturers are also committed to following Google's VR? mobile phone. In this context, OLED screens will be of great use.

Technical capacity BUG has to be solved, iPhone OLED is reliable?

For many years, Apple has been told to use OLED screens on mobile phones. The result is that LCD screens are still used on the iPhone 7 series, and new machines released in September this year are likely to be carried. Earlier, OLED has two bugs in technology and capacity, which led to Apple's long-term "persistence"? LCD route.

In the past few years, the OLED screen technology was not perfect, and there was a problem that the white reproduction was inaccurate and the color was too saturated. Samsung has been trying to make mistakes on several generations of models in order to promote new technologies, but cautious Apples do not have to take risks.

In addition to technical deficiencies, capacity is also a major constraint. It is reported that in 2013, the global OLED yield rate was only about 10%, which could not meet the output of the iPhone.

Nowadays, with the continuous trial and error and improvement of Samsung, OLED technology is becoming more and more mature, and the problems of color reproduction and color saturation are continuously improved. In terms of production capacity, Samsung OLED yield is improved, LG, Hon Hai's Sharp, JDI Manufacturers such as Panasonic have also begun to develop OLED panels, and OLED production capacity problems have gradually improved.

Affected by this positive, starting this year, the adoption of OLED displays on smartphones will become a new trend.

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