iPhone Screen Structure: Difference Between In-cell, Out-cell and On-cell.

August 02, 2022

When purchasing third-party iPhone screens in China, the supplier always tell you that TFT in-cell, on-cell, out-cell. So much quality which is better? What's the difference between them?

Today's post is to help you tell the difference between in-cell, out-cell and on-cell.

on-cell touch vs in-cell touch vs out-cell touch

In-cell technology:The method of embedding touch panel functions into liquid crystal layer, that is, embedding touch sensor functions inside the display screen. The innovation of the In-cell touch panel is that the circuit is loaded on the liquid crystal, so that the liquid crystal screen has the perception and touch screen input capabilities of the traditional touch screen. The In-cell touchpad is not only more accurate, but also eliminates the need for a touchpad, making the entire touchscreen thinner and lighter. Traditional touchscreens are difficult to see clearly in sunlight, but now that there is no touchpad, naturally Without parallax, readability is also improved.

On-cell technology: Refers to the solution of embedding the touch screen between the color filter substrate and the polarizer of the display screen, that is, the touch sensor is equipped on the liquid crystal panel. The technical difficulty is simpler than that of Incell. In terms of products, the technology has not yet overcome the problems of thinning and uneven color during touch.

Out-cell technology:Integrate the touch layer and the protective layer glass lens together.

on-cell touch vs in-cell touch vs out-cell touch Structure

In-cell On-cell Out-cell iPhone screen structure comparison

iphone on-cell touch vs in-cell touch vs out-cell touch structure comparison

The in-cell screen combines the touch and display cables together, which requires Touch/Display Integration (TDDI) technology. It must be driven by a TDDI IC to work properly. Out-cell screen touch and display flex cable are separated into two.

In-cell and Out-cell touch and display flex cable comparison

Which is better, in-cell or out-cell?

1. Screen thickness

The in-cell LCD screen is thinner because the TP layer and OCA layer are missing.

2. Price

The in-cell's screen is more expensive than out-cell.

3. Polarization test

Out-cell LCD Screen adopts the external G+FF process. Due to the optical properties of the film material, rainbow-like stripes will appear under the sunglasses tes

4. Stability and Yield rate

Both in-cell and out-cell production processes are very mature, all stability is very good, and the yield rate is similar.

At present, the mainstream screen in the Chinese market is still the in-cell screen. In addition to the application of the in-cell process, the resolution, brightness, color gamut and backlight of the screen are well optimized by Chinese suppliers.

Taoyuan's TS8 iPhone screen is the application of in-cell technology, and the screen has the following advantages: High brightness , rich color saturation, premium backlight, sensitive 3d touch, 120hz touch refresh rate. We also welcome you to be our iPhone screen distributor.



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