[SID2018] Samsung display’s OLED technology, one step closer to full screen

At the SID2018 exhibition in Los Angeles, a new concept OLED with no front speakers on the Smartphone was introduced.

Samsung Display’s new “Sound on display” removes the speaker at the top of the smart phone. Instead, it has a piezo electric actuator on the back of the panel that can turn the electrical signal into vibration. This is the mechanism by which the actuator vibrates the OLED panel to produce sound. It is the same method as LG Display’s “Crystal sound OLED”.

When this technology is utilized, the speaker can be removed from the front of the smart phone, resulting in a wider display area. Following the trend that the home button is embedded in the display, OLED will continue to evolve in the direction that the speaker is also embedded in the display.

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