One of the main features of the latest generations of iPhone, became an OLED display. OLED technology offers several advantages over LCD screens, still in use, eg, in iPhone 11. Below we will tell, what is the difference between OLED (organic led) and LCD (liquid crystal display).
OLED vs LCD. What is the difference?
In LCD screens, which are equipped with previous iPhone models, as well as the iPhone 11, iPhone XR, iPhone 8 and 8 Plus (and older), LED backlight used – panel the size of the screen itself, which emits white light, when the display is on. Polarizers and filters are located above the backlight, who are responsible for controlling the light and reproducing the image on the screen. LCD technology has remained dominant in the production of flat panel displays in the last two decades, however, backlighting requires significant energy, which is a big drawback in mobile devices.
Unlike LCD, in OLED pixels emit their own light. Besides, OLED display brightness can be controlled pixel by pixel, what is not available in LCD screens.
What is the advantage of OLED technology?
Due to the use of backlighting, the screen is usually the most energy-intensive component of mobile devices. Without such a display, the iPhone will become more energy efficient and this is not the only reason, preferred OLED. Refusing backlighting will make the display thinner, what is important for a smartphone. Extra space would allow Apple to use a more capacious battery.
The aspect of the image is also important. OLED screens are capable of transmitting a wider range of colors and perfectly reproduce «deep» black or bright white, they also show a high level of contrast.
Proven, that using a dark theme in iOS significantly saves the battery life of iPhone models with OLED screens.
Apple is not the first company, which uses OLED technology
The first smartphones with OLED screens appeared a few years ago. Now this technology is used in their Samsung mobile devices, LG and other companies. Several manufacturers also offer OLED monitors. Besides, more and more flexible OLED displays are equipped not only smartphones, but also fitness bracelets and dashboards in cars. If we talk about Apple, the company already uses screens, made by OLED technology, in smart watch Apple Watch.
Why only last year Apple released an iPhone with an OLED screen?
Part of the problem is capacity. Since iPhone is the best-selling gadget in the world, Apple needs to provide a reliable supply chain of OLED panels from manufacturers, however OLED – rather complicated technology, which is not easy to master.
Currently, most smartphones with an OLED screen are manufactured by a subsidiary of Samsung – Samsung Display and now Apple depends on a single manufacturer.