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Exploring 3D Technology on Televisions
What is 3D TV?
In its simplest terms, 3D TV is a type of television that supports the display capability, enabling users to view 3D images. The operation principle of these TV models is that the screen simultaneously displays two frames: one for the left eye and the other for the right eye. With the aid of specialized glasses, viewers' vision is tricked by the two frames, which are merged to create a three-dimensional image. Currently, there is information about the development of new-generation TVs with 3D viewing capabilities without the need for glasses. However, the selling price will be very high, and they have not yet been introduced to the Vietnamese market.
3D Television
3D Display Technology
Active 3D Technology
Active 3D technology utilizes Shutter Glass or commonly known as Shutter Glasses for viewing. These glasses are battery-operated and use wireless connectivity to synchronize the displayed images with the TV. With this active 3D technology, using the glasses is mandatory to experience the effect, as they rotate the frames on the TV and display two separate contents for the left and right eyes.
Shutter Glass Eyewear
The main advantage of this active technology is the display quality of 3D images, which can reach up to Full HD resolution, providing sharp, smooth images that deliver the most realistic experience for viewers.
Excellent Display Quality
The main drawback of this technology is the Shutter Glass itself, wearing this device feels quite heavy, and the viewing angle is not optimal. The images only look truly beautiful and sharp when facing the TV directly. Additionally, this glass only works with TV models of the same origin. For example, Panasonic glasses can only be used on Panasonic TVs and have no effect on other brands.
Suboptimal Viewing Angle
Passive 3D Technology
Passive 3D technology is applied to TV models with an FPR film coating on the screen, creating different images for the left and right eyes. Polarized glasses are used for passive 3D technology, similar to those used in cinemas. The purpose of these glasses is to split the displayed image for the two eyes, then through the lens, the images are merged together to create a 3D space.
Passive 3D Technology
The advantage of this passive 3D technology lies in the glasses; they are much lighter compared to Shutter Glass. Additionally, the viewing angle is significantly wider, allowing viewers more freedom in choosing their position. Moreover, the brightness from the glasses is also better, reducing eye strain during prolonged viewing. Since it doesn't use batteries, this product is good for users' health as it does not emit any connecting waves.
Ultra-Lightweight Glasses
The drawback of this technology is primarily in the display quality. It heavily relies on the film attached to the screen, resulting in a significant reduction in resolution compared to active 3D technology. Its maximum display capability is only at HD level.
Resolution needs improvement
Here are the analyses and evaluations of active and passive 3D technology applied in current TV models. Hopefully, through this article, you will find the most suitable option for your needs.
Huu Phuoc
Mytour
