Some smartphones move the ribbon to the edge of the screen due to the wider screen ratio of the full screen.
· The world's leading smartphone brand has begun patenting full-screen hidden features, such as speakers, sensors and camera lenses, etc. can be hidden under the screen, some with holes, and some without.
· Within a few years, no Notch full-screen smartphones will be available.
Smartphone ribbon moves due to wider screen ratioThe traditional ratio of smartphone displays is 16:9, but has continued to increase since 2017, reaching 18:9 or 19.5:9 for full screen. Therefore, the speakers, sensors, and camera are moving to other locations. Apple's iPhone X screen ratio is 19.5:9 with face ID recognition, front camera, sensors and speakers, placed in a special Notch area, but without touch ID recognition. Samsung's Galaxy S8 and Note 8 screen ratios are 18.5:9, with front-facing cameras, sensors and speakers, placed on the narrow side of the top, but the fingerprint sensor is placed on the back of the smartphone.
Many users complain that the ability to change the location of a ribbon with full screen is less comfortable to use. For example, a screen Notch cut will obscure a portion of the display content unless the application adjusts the screen content to avoid the Notch cut area. And if the fingerprint sensor is placed on the back of the smartphone, the user is required to pick up the smartphone to use the sensor. Many smartphone brands are experimenting with optimizing the position of speakers, sensors and cameras for screens with an aspect ratio of 18:9 or larger.
As shown in the figure below, some mainstream smartphone brands have applied for patents on true full-screen solutions. The main goal is to realize the concept of hiding the functional area behind the screen, some with holes and some without.
These patents include:
Apple : Display-based speaker structure for electronics devices: Apple has patented a display-based speaker solution for electronic devices, claiming that "this speaker structure can be placed in a flexible display. The flexible display area can be used as a sounding diaphragm for the speaker structure.
Apple: Electronic devices with display-integrated light sensors: Apple has patented - an electronic device with a display-integrated light sensor, which claims "display integrated light sensor is inserted in a transparent overlay Between the display layer and the display layer, for example, a light-sensitive layer composed of a touch sensing layer or a thin film transistor layer."
Apple: Fingerprint sensor in an electronic device: Apple has applied for a patent - a fingerprint sensor in an electronic device, in which it claims that "fingerprint sensors are incorporated into display stacks of electronic devices with various structures." .
Samsung : Electronic device including display and camera: Samsung Electronics has applied for a patent – ​​an electronic device including a display screen and a camera, which claims to “open at least partially through the opening of the first adhesive layer, A set of conductive lines are extended around the periphery of the opening so as not to obscure the opening optically, and a camera device including an image sensor is provided to pass at least a portion of the opening."
Samsung: Electronic apparatus having a hole area with screen and control method therefore: Samsung Electronics has applied for a patent - an electronic device with a hole in the screen and its control method, which declares " An electronic device with a hole area that can be analyzed to magnify an image or application screen, and a way to control the hole area of ​​an electronic device."
Regardless of when these patents can be released as product features, it is important that the smartphone brand begin to transfer many features to the screen. Soon, this trend will begin to affect the panel industry and mobile phone design.
Some panel makers are developing full-screen displays without Notch
As IHS Markit described in AMOLED & Flexible Display Information Services, AMOLED panel manufacturers are trying to introduce fingerprint recognition into their products, and some are ready to launch AMOLED displays with fingerprint sensors in 2018.
Samsung Display has just completed the development of the on-screen fingerprint solution (optical single point identification) under rigid AMOLED, which will be shipped in the first quarter of 2018. Many panel manufacturers are expected to try to incorporate an additional layer on top of the display body for simpler construction, better performance and multi-point recognition. The figure below is one of the examples °
Fingerprint sensing is the first attempt by panel manufacturers to incorporate sensors. The next step will come soon, as smartphone brands are trying to provide customers with a more comfortable display experience.
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