OLED's former kings fall and fall
(The principle of self-luminescence: 1. The positive and negative charges are injected from the anode and the cathode to the organic layer, respectively. 2. Under the action of the electric field, the positive and negative charges move toward the opposite electrode in the organic layer, respectively. 3. The positive and negative charges are at specific positions in the organic layer. Combine and release energy. 4. A given organic molecule acquires this energy and is excited by itself or transfers energy to other molecules, causing it to excite from the ground state to the excited state. 5. The excited molecule returns to the ground state and releases light energy. )
OLED response speed is faster, compared to the LCD screen, the process of chip instructions to the liquid crystal molecules to change state after the process takes a certain amount of time, which is the LCD screen in the high-speed motion picture caused by the phenomenon of residual image, and OLED is absolutely impossible There are issues such as afterimages, which guarantees the clarity of the user's playing games, watching sports events, and high-speed motion picture of movies.
The OLED has a wider color gamut, and the OLED screen NTSC can reach 100%, while the general LCD screen NTSC floats between 72% and 85%. Compared with LCD screens, OLEDs provide users with the most intuitive experience that the screen is more colorful and colorful.
OLED development is restricted
Since OLED has so many advantages over LCD in image quality performance, it is regarded as the future screen development trend, and why it has not been popular for several years since its development.
Xiao Bian believes that the main factor is one, the price is too expensive, Xiao Bian search in the Jingdong search on the current market OLED TV, the cheapest price is also more than 10,000 yuan, which in today's mobile phone, tablet rampant era, so expensive TV is not who Are willing to pay for it.
Second, subject to the cost of production, there is still a lack of service life and color failure, and the low yield rate hinders the promotion of OLED technology. In addition, the size also encountered a bottleneck, most of the current OLED screen size is 55 inches, if the user wants to buy a larger size price will turn several times.
summary:
Although OLED technology has been recognized as the future development direction of display technology since its inception, after years of development, it has been found that the defects of OLED itself and the excessively high production cost are not well resolved, which hinders OLED's development. Popularization, coupled with the popularization and application of quantum dot technology and the emergence of Samsung QLED, OLED wants to regain its supremacy, it needs to make breakthroughs in technology and reduce production costs.
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