In last month's 22 Number，OPPO held a "Flash Charge Open Day" event，Sandwich safety battery released、Battery safety detection chip、Many battery technologies such as "internal series dual battery cell" structure and other，And announced that OPPO's global flash charging users have reached 1.95 100 million。Actually, the day before this "flash charge opening day"，OPPO also organized media to participate in a small new imaging technology communication meeting，Fully show the media OPPO's next-generation under-screen camera technology solution，However, because of the signing of a confidentiality agreement，Therefore, there has been no media reports，Fortunately, OPPO officially announced this technology today，Now in the form of pictures，Let's share briefly OPPO's next generation under-screen camera，And the iteration history of OPPO's under-screen camera。

Under-screen camera is the best solution for a true full screen，There is no doubt about this，Since the outbreak of full-screen phones，OPPO began to explore the real full screen。

2018 year，OPPO takes the lead in launching pre-research and exploration of under-screen camera technology，exist 2019 year 6 At the MWC19 Shanghai Conference in the month，OPPO officially releases a brand new perspective panoramic screen，This is OPPO's first generation of under-screen camera technology，It passes the under-screen camera module、A clever combination of high-transmittance screen and optimization algorithm，Ensure screen integrity while keeping the body light and thin，It also takes into account both content display and photography、Face unlock、Video call and other functions。

To solve the problem of insufficient light input of under-screen camera，OPPO through white balance、HDR、AI to remove fog “multiple algorithms”，Ensure the quality of the picture to the greatest extent。

Then in 2019 At the Future Science and Technology Conference at the end of the year，OPPO exhibits an improved version of the first generation of under-screen cameras，It is equipped with the first generation of under-screen camera technology solution.，The front camera has smaller area，Hidden better，Hard to find if you don't look carefully，It is worth mentioning that，This demonstration machine also uses no holes、No physical buttons。

2020 First half of the year，OPPO takes the lead in proposing the "1 drag 2" under-screen camera technology solution，This is also OPPO's second-generation solution。also，OPPO in 2020 For the first time in 2018, the standard proposal for under-screen cameras was submitted to the International Electrotechnical Commission (IEC)。

8 moon 4 Day，OPPO officially launches the third generation of under-screen camera solutions，A new generation of under-screen camera solutions is further optimized、solved at the display level、Image-level experience。

First, the display level，Whether it is to quit the screen or light it up，The under-screen camera display area maintains the same display level as other areas of the screen，Showing text、When video，Text Edge、Image edge texture details are always displayed accurately。Judging from the actual experience，No matter from which angle，It's hard to find a camera hidden under the screen area。

We compare it with the prototype equipped with the previous generation of under-screen camera solutions，You will find that this upgrade is very obvious，As shown below，The third generation under-screen camera solution prototype on the left is complete，No flaws are seen，The prototype on the right，There is an obvious "patch" in the front camera area of ​​the screen，Like mosaic。

Second，At the image level，The third-generation under-screen camera solution is closer to the imaging quality of ordinary front-facing cameras than the previous two generations，This is mainly due to OPPO's self-developed dediffraction、AWB、AI imaging algorithm sets such as HDR，also，OPPO also continuously trains AI dediffraction algorithm models through tens of thousands of photos，Effectively control diffraction problems in light sources，In turn, greatly improve the quality of photos。

What has OPPO's next generation under-screen camera solutions changed?

The camera under the screen must first achieve clearer shooting effects，One of the mainstream practices in the industry is to reduce the screen pixel density in this area.，This improves the light transmittance of the under-screen camera，But the problem is，Reduce the pixel density in this area，It will seriously lead to the display effect of the screen，This is also why，The camera area under the screen of the previous generation of prototypes seems to be "patched"，The pixel density in this area suddenly decreases，It will naturally produce different display differences on the same screen。

On the third-generation under-screen camera solution，OPPO uses innovative screen pixel arrangement、Transparent wiring technology、A series of technologies such as display algorithm compensation technology solve the above-mentioned problem of "can't have both"。

First of all, innovative screen pixel arrangement，OPPO does not reduce the number of pixels、Without changing the arrangement，Slightly reduce pixel volume，This ensures 400 PPI's high-quality screen display effect。Second，OPPO changes traditional screen routing to transparent routing，Reduce trace width 50%，This brings a more delicate screen effect。

Degraded display content quality problems caused by driving two pixels ("1 drag 2") in pixel circuits，OPPO's new generation of under-screen camera technology has customized a dedicated screen，By driving a single pixel ("1 drag 1") using a single pixel circuit ("1 drag 1")，Simultaneously，OPPO uses accurate display algorithm compensation technology，Able to accurately control the brightness difference of the full screen is less than 2%，Color difference is less than 0.8JNCD，Read in text、Daily usage scenarios such as map navigation，OPPO's new generation of under-screen camera technology solution supports fine display of smaller fonts，Texture details and color information are also well preserved，A stronger sense of unity。

According to OPPO official information，OPPO has accumulated applications 200 Patents related to Yuxiang under-screen camera technology，And obtained 20 Remaining related patents，As a promoter of under-screen cameras in the industry，OPPO's new generation of under-screen camera solutions prove the feasibility of under-screen cameras，Three generations updated in four years，We are worth looking forward to the mass production of this technology。

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OPPO's next-generation under-screen camera officially released