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Company News >> How to choose OLED/LCD TV? You should pay attention to these aspects 19th,Apr,2018

In the field of consumer electronics, OLED technology is not a new concept. Since 2001, OLED technology has been used in the mobile phone industry. Nowadays, LG has begun to popularize OLED display technology in the TV field, so consumers have renewed their interest in OLED products.

So is OLED TV more competitive than traditional LED/LCD TVs? What are the shortcomings of OLED? We can do some understanding and comparison through some simple introductions.

The full name of the LED is a light emitting diode. These small semiconductor diodes can convert electrical energy into light energy. Currently, LEDs are widely used in the lighting field because of their relatively small and compact size, and their high brightness and good lighting effects. But compared with television, LED's volume is still not small enough, so LED is only used as the background light source of LCD TV at present.

The full name of OLED is organic light emitting diodes. Simply put, OLEDs come from organic compounds that emit light and conserve electricity. Each pixel of an OLED TV can emit light independently, so it can be selectively turned off, and this is why OLEDs can bring a full black background.

Who is better with OLED and LED/LCD?

The

If in the past, OLED TVs performed better than LED/LCD TVs in almost all areas, but due to the recent emergence of quantum dot technology and improved backlighting capabilities, LED/LCD TVs themselves performed more than three years ago. improvement. Today's LED/LCD TVs have a better black level performance, and significantly improve color effects and reduce light leakage. Therefore, the difference between OLEDs and LED/LCD TVs equipped with quantum dot technology is not so great. In addition, our comparison is not limited to image quality, so we can use different aspects to compare OLED and LED/LCD respectively.

Black level

The ability to display dark colors on the screen is arguably one of the most important parameters in the quality of the performance. Higher black levels result in higher contrast and richer colors. Therefore, the overall picture quality will be even more "diffuse" effect. When we mentioned the black level, OLED was undoubtedly the dominant position and became the undisputed winner.

Since the LCD TV's LCD backplane uses the principle of backlight illumination, even if there is another advanced dimming technology, locally reducing the brightness of the LED backlight can increase the black level of the LED TV. However, although the progress is obvious and the impact of backlighting is minimized, there is still a certain gap compared to OLEDs.

The OLED TV can turn off the light emitting function of the pixels and does not generate any light source, so it can basically show full black.

Win: OLED

Brightness

In contrast, LED TV has a considerable advantage. LED technology has now become very intelligent, so with the addition of quantum dot technology, LED TVs have been the ultimate in brightness.

Although OLED TVs are also "smart", there is no problem with black level and contrast. However, if the brightness of an OLED TV is maximized, it will not only reduce the service life of the pixels, but it will take some time to return to black again. transition.

Win: LED/LCD

Picture color

Although OLEDs have an inherent advantage, LED quantum dot technology can achieve the same level of OLEDs in terms of color accuracy, color quantity, and brightness by improving the purity of the backlight.

At present, most high-end Ultra HDTVs are excellent in color performance, and they have even greater potential in the future.

Winning: Draw

Response time

OLEDs are much shorter in response time than LED/LCD TVs. It can be said that OLED is the TV panel technology with the shortest corresponding time in the market. Therefore, OLED is also an absolute winner in this aspect, and less response time also means that it can reduce the blurring of moving targets.

Win: OLED

Viewing angle

OLED once again became a winner. Although the IPS display produced by LG has been greatly improved in the viewing angle than the traditional VA liquid crystal display, it still cannot be compared with the OLED panel. The latter's maximum viewing angle can reach 84 degrees. At present, the best viewing angle of the best IPS LCD panel is only 54 degrees.

Win: OLED

Panel size

The

LG has just launched a 77-inch OLED TV, which is a huge leap from the previous 65 inches. However, LED/LCD has more room for panel size. There are many different products for 85 to 90-inch TVs. Even some manufacturers have introduced 120-inch LED/LCD TVs. Therefore, in the display panel limit size, the winner this time is the LED/LCD.