What is the difference between 2.5D and 3D glass films for smartphones? What is round edge processing? Which is best for me? NIMASO Tips

スマホ用2.5Dガラスフィルム3Dガラスフィルムの違いは?ラウンドエッジ加工とは?どれが自分に最適?NIMASO豆知識

Clickable Table of Contents

▼Difference between 2.5D and 3D

・What is 2.5D glass film?

・What is 3D glass film?

・Difference between 2.5D and 3D

What is round edge processing?

2.5D or 3D? Which is best for me?

▼2.5D glass film

·merit

Disadvantages

▼3D glass film

·merit

Disadvantages

▼Which one is best for me?

・2.5D glass film

・3D glass film

The difference between 2.5D and 3D

・What is 2.5D glass film?

2.5D glass film

Image: oversinfo

2.5D glass film is a fully clear glass film with 2.5D rounded edge processing on the edges, making the edges smoother.

・What is 3D glass film?

3D Glass Film

Image: oversinfo

3D glass film is a glass film that expands the area of ​​the edges using soft materials such as silicone, covering the entire screen.

・Difference between 2.5D and 3D

The differences between 2.5D and 3D are the appearance of the glass film, the protective area, and the rounded edge processing.

Here's an example of a glass film for the same model:

The 3D glass film has a black border, while the 2.5D glass film has a clear border without a black border.

Also, in terms of the area of ​​protection provided to the smartphone, 3D glass film covers a larger area of ​​the device than 2.5D glass film.

Comparing the rounded edges, 2.5D glass screen protectors have hard glass edges, while 3D glass screen protectors have rounded edges and are covered with silicone or other materials, making the edges more flexible.


What is round edge processing?

Rounded Edge Processing

Image: NIMASO

Rounded edge processing is the process of polishing the edges of the glass to make them round. Glass films without rounded edge processing are called 2D glass, and the corners remain at right angles, making them rough and not smooth to the touch. One disadvantage is that the edges are easily scratched.

On the other hand, films with rounded edges are called "2.5D glass films." "3D glass films" are glass films that have 2.5D rounded edges and protect the edges of the glass with soft materials such as silicone, protecting the edges of the LCD screen.

NIMASO glass films feature rounded edges to improve the feel and impact resistance, providing customers with a smoother and more durable glass film.

2.5D or 3D? Which is best for me?

▼2.5D glass film

·merit

1. It is a completely transparent type with no black borders, so it will not interfere with the simple design and can be combined with any case.

② It does not interfere with the case. The 2.5D glass surface area is smaller than the smartphone's LCD screen, so it is compatible with any case.

③The 2.5D rounded edge processing makes the entire edge beveled, so there is no rough feeling when you touch the edge with your hand.

Disadvantages

① Dust easily gets in around the edges. There is often a gap between the case and the film, so you may be concerned about dust and dirt getting in the gap.

②There is a moderate amount of space around the edge of the smartphone, so if you hit it or drop it, the edge is likely to crack. We recommend using a case if possible.

We recommend NIMASO 2.5D glass film

NIMASO 2.5D Glass Film 1NIMASO 2.5D Glass Film 2

High transmittance and beautiful screen

High-quality glass, 9H hardness, impact resistant

2.5D rounded edge processing - no interference with the case

Super smooth to the touch and fits comfortably in your hand

AF coating, water- and oil-repellent, and fingerprint-resistant

Comes with a guide frame for easy application

Wide variety to satisfy customers

▼3D glass film

·merit

① It protects the edges of the LCD screen, preventing damage from drops and impacts.

②The 3D glass protects the edges of the LCD screen, preventing dust from accumulating on the edges and keeping the screen clean for longer.

3) Air bubbles are less likely to form in gaps.

4. The 3D glass film with black border effectively reduces light reflection from the display, making it feel like you're not even wearing a film.

5. The black border creates a sense of unity with the device. The rounded edges and silicone finish make the case feel smooth all the way to the edge, making it comfortable to use.

Disadvantages

①It may interfere with some cases.

② If the sticker is not pasted in the right position, a black border may appear on the screen.

For more details, please see " What is the black border for? NIMASO trivia → "

We recommend NIMASO 3D glass film

NIMASO 3D Glass Film 1
NIMASO 3D Glass Film 2

US military standard, scratch and impact resistant

High transmittance and beautiful screen

3D rounded edge processing, edge-to-edge screen protection, corner crack prevention

High-quality glass, 9H hardness, impact resistant

3D edge, comfortable fit, dust prevention, anti-reflective edge

AF coating, smooth to the touch, water- and oil-repellent, and fingerprint-resistant

Comes with a guide frame for easy application

Wide variety to satisfy customers

▼Which one is best for me?

2.5D glass film

Keyboard: Simple clear design, does not interfere with the case

Recommended for those who want to try out different smartphone cases and are looking for a glass screen protector that won't interfere with the case.

Recommended for those who prefer glossy edges

2.5D glass film has an edge that is cut off at an angle, making it far more durable and comfortable to the touch than 2D glass. The clear version without a black border is recommended for those who want protection from impacts and those who want simple clarity.

3D Glass Film

Keyboard: No cracked corners, shock-resistant to the edges, solid feel, dust-proof edges

・Recommended for those who often use their smartphone outside, play games, or exercise

・Recommended for those who want to use the glass film for a long time

・Recommended for those who are concerned about dust on the edges

The 3D glass film has improved edge durability, protecting your smartphone from external impacts and scratches. In addition, the black border prevents dust from accumulating on the edges, making it easy to keep clean.

NIMASO trivia

NIMASO trivia 1NIMASO trivia 2

The ease of application is roughly the same for both 2.5D and 3D glass films. However, 3D glass films are said to produce fewer air bubbles during application.

With 2.5D glass film, even slight misalignment can cause the edges of the film to not adhere properly to the LCD screen, resulting in air bubbles forming. On the other hand, with 3D glass film, even if the film is misaligned, the black border can make it difficult to see any air bubbles that may have accumulated around the edges.

If you apply it straight, you shouldn't have any air bubbles, regardless of which film you use! If you're not good at applying it , we recommend a glass film with a guide frame!

A guide frame will reduce the chance of misalignment during application, making it easier to apply straight! If you want to absolutely prevent air bubbles, choose a glass film with a guide frame !

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The above are the differences between 2.5D glass film and 3D glass film for smartphones.

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