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There is no denying that the Huawei Nova 4 is a capable smartphone. It features a flagship processor, a great body and a solid triple camera setup. But the headline feature for this smartphone has to be that Punch FullView display. Instead of a notch, a slider, or the removal of the selfie camera, Huawei decided to place the selfie camera on the display itself. It was an immensely complicated endeavor that required the company to overcome three near-impossible challenges.
First, they needed to figure out where they wanted to place the selfie camera
Despite how much people despise the notch, its
The purpose is to be the home for all the elements that you usually find on the
front of the display. The biggest element is the front-facing selfie camera –
something that's especially important when it comes to the Nova line of
They could not just put it at the bottom of the
display, because that would result in an unflattering angle, so they needed it
to be at the top of the display. This allowed for the user to retain the
"Golden" angle for selfies, optimizing the location to the user's line of sight
so that each selfie makes their eyes look more beautiful.
However, without a bezel for it to live in,
Huawei had to get creative. The company came up with two different solutions:
Eventually, after 12 months, 300 engineers and
over 20,000 prototypes, Huawei settled for the blind hole approach
creates a much smaller "hole" in the display than the through hole. This is because
The blind hole only requires the company to punch a hole through a single
backlight layer rather than through the entire display.
Because of this, Huawei was able to shave the diameter
down to a scarcely believable 3.05mm – a whole 20% smaller than the industry
standard. This also allows the Nova 4 to feature an immersive 91.8%
screen-to-body ratio for its 6.4-inch display. With this, the Nova 4 is able to
deliver a completely natural and flawless viewing experience on all four sides
of the phone. It also provides users with a sense of freedom from the
obstructive shackles of the notch design.
they needed to stop the light from the LCD from leaking into the selfie camera
Because the smartphone's selfie camera opening
is so small, Huawei ran into another problem, where light from the LCD was
able to leak into selfie camera and absolutely ruin your selfies. that's
To overcome that, Huawei had to pull out all
their precision engineering chops to develop a custom innovative barrel-shaped
iron frame design and a high precision dispensing process. The camera is also
sealed in the screen which means that the camera support module also serves
as a seal, dustproofer, and airproofer that addresses potential permeability
they had to find a place for all the other sensors
Despite being the biggest and most difficult
element to place, the selfie camera is still just one element that resides in
the front of the display. And with a tiny Punch FullView Display design,
Huawei could not fit all the other sensors in that Punch FullView Display.
Instead, they got a little creative and moved those components around instead.
The earpiece was tilted in such a way that it was angled upward and pushed sound
out near the top of the phone toward your ear.
Huawei also placed the notification LED behind
the speaker grille to save even more space. Then, for the light and proximity
sensors were moved to the top of the smartphone so that they lived on the
the phone's metal frame instead.
an engineering feat
It's really an engineering feat, the Huawei
Nova 4. Huawei could have stuck with a regular notch, but they went out
their way to give customers what they wanted for the Nova 4 – freedom from
that obtrusive notch. Through this, Huawei has essentially accomplished the
impossible by bringing the consumer the Nova 4 and its absolute impeccable
bezel-less display, the most elegant industrial design, the most advanced
technological innovation and the greatest extent of manufacturing processes
smartphone screen development.