Amoled screen patent

Optic AMOLED screen is still the Super AMOLED display provided by Samsung, which has been re-adjusted according to the screen quality, and the display effect has been further optimized in contrast, color temperature and strong light.

First of all, let's take a look at one plus co-founder Yu Pei's explanation of Optic AMOLED: "OPIC

The AMOLED screen is still provided by Samsung Super.

The AMOLED display screen has been re-debugged according to the screen quality, and the display effect has been further optimized in terms of contrast, color temperature and strong light. "

Give you a popular science, AMOLED is an active matrix organic light emitting diode.

Light-emitting diode is a commonly used display panel. Its basic structure is as follows, including a substrate, a thin film transistor (TFT), an organic light emitting diode (OLED) and necessary optical elements from bottom to top. "Active" means that each OLED is driven by an independent circuit, thus achieving a high refresh rate.

Super AMOLED is Samsung's marketing term, which refers to its AMOLED panel with integrated capacitive touch screen controller. This can reduce the thickness and glare. Samsung occupies more than 95% market share in small and medium-sized screen AMOLED panels, so this article only discusses Samsung's mobile phone panels. Samsung released the first generation Super on 20 10.

After AMOLED, higher resolution and Super per inch pixels were introduced one after another.

Amoled plus/advance, (full) high-definition super amoled (plus), etc. The latest generation quad-core

HD Super AMOLED is used on Samsung galaxy S7 (resolution 1440

X 2560, 577ppi per pixel). So I generally claim to be a purchasing super.

The AMOLED panel is meaningless. Specifically, one plus uses the resolution of 1920.

Full of x 1080

HD Super AMOLED. For reference, Samsung Galaxy S4 equipped with this screen was released on April 20 13.

What are the difficulties in the production of high-resolution display screens? Anyone familiar with AMOLED technology will know that each pixel in the organic light-emitting diode structure adopted by Samsung is composed of three independent sub-pixels: red, green and blue (RGB). Under the current conditions, the improvement of resolution is limited by the size of three sub-pixels; Behind it is the key technology of evaporating organic light-emitting diode luminescent materials, such as fine metal mask.

Metal mask, FMM) and laser-induced thermal imaging (LITI). The resolution of FMM is low and the yield of LITI is low; At present, the compromise scheme is to use FMM to generate blue sub-pixels with low luminous efficiency stability and large size, and LITI to generate red and green sub-pixels.

Under such a complicated process, the 1080p panel put into production three years ago is better than Samsung.

Galaxy S7 and 2k AMOLED on Nexus 6p have higher yield and lower cost.

So what is the impact of adopting such a 1080p panel on the daily use of mobile phones? On the one hand, the screen adopts PenTile non-uniform sub-pixel arrangement, which prolongs the life of blue organic light-emitting diodes and the actual resolution is lower than 1080. On the other hand, the picture quality will not be clear enough when using VR glasses. As a synchronous start cycle

In terms of VR equipment, it should be a pity that your latest flagship can't provide the best viewing effect.

It should also be noted that the word SuperAMOLED does not appear in the official hardware specifications, because Samsung does not allow other manufacturers to use this word for publicity. This also means that the panel has not been calibrated by Samsung. So Pei Yucai will mention that he adjusted the color tone and color temperature of the panel himself. Unfortunately, according to anandtech's evaluation, the gray scale and color reproduction are very poor. Interested friends can check the complete evaluation results by themselves.

In communication with some overseas media, Yu Pei also mentioned that Yijia used a "double polarizing layer" to reduce glare under direct sunlight and improve contrast. Unfortunately, I can't search for "dual polarization"

Layer ",we can't know the difference between it and the existing technology. It must be noted that both polarizer and quarter-wave plate are used in AMOLED to improve the contrast: when sunlight enters the screen polarizer, it becomes linearly polarized light, and then it becomes right-handed circularly polarized light through quarter-wave plate. When light is reflected from the bottom of the device, the direction of rotation changes, so it cannot enter the eyes through the screen.

Before drawing a conclusion, I'd like to talk about my feelings about one plus mobile phone. The author is currently studying for a doctorate in the United States. I first heard about this brand through the introduction of Indian students. In fact, several domestic mobile phone brands have no presence in the United States, no advertisements, and lack of cooperation from operators. If you don't pay attention to consumer electronic products, you can't basically name the brand. Huawei relies on Google Nexus.

The cooperation of 6P is very clever, raising the price of selling mobile phones to 500 dollars. But in addition, many mobile phone manufacturers, which are booming in China, can only sell limited products in the United States or even through normal channels because of patent risks. In this case, manufacturers can only win by price, aiming at the low-end market, and $200 basically becomes the ceiling of mobile phone sales price. One plus's market position is higher than these manufacturers.

($400), through better marketing, public relations and after-sales service to accumulate word of mouth. Yu Pei, the co-founder of the company, will personally use Quora (American version of Zhihu) and forums to interact with consumers. Last year, one plus broke the inferior USB in the United States.

Yu Pei also responded quickly after the Type-C exchange incident, apologizing at the product forum and promising a refund, which did not make the incident worse.

The price of one plus mobile phone 2(64G) just listed in the United States is $389. As a continuation of its flagship product reputation, the price of one plus mobile phone 3 is set at $399. On the one hand, the smaller body and battery (3000

I don't want a high-resolution screen that consumes power. On the other hand, the use of other high-specification parts puts pressure on the cost of mobile phones. Under the condition of seller's market, it is difficult to get cheap and good AMOLED panels from Samsung. Based on the above two points, one plus mobile phone 3 selects 1080p.

AMOLED can understand.