For more information, please visit Dianguang Hi Tech.
Figure 2. Gray Scale Inversion for TN Displays
What is IPS Display Technology?
IPS (in-plane-switching) technology is like an improvement on the traditional TFT LCD display module in the sense that it has the same basic structure, but has more enhanced features and more widespread usability.
IPS LCD monitors consist of the following high-end features:
- &#; wider viewing angle,
- &#; more consistent,
- &#; accurate color in all viewing directions,
- &#; has higher contrast,
- &#; faster response time.
But IPS screens are not perfect as it has a higher manufacturing cost.
Features of IPS Displays
These LCD screens offer vibrant color, high contrast, and clear images at wide viewing angles. At a premium price. This technology is often used in high definition screens such as in gaming or entertainment.
Let&#;s do a deep dive and conduct a detailed comparison.
TFT Display vs. IPS Display
Both TFT display and IPS display are active-matrix displays, neither can&#;t emit light on their own like OLED displays and have to be used with a back-light of white bright light to generate the picture. Newer panels utilize LED backlight (light-emitting diodes) to generate their light hence utilizing less power and requiring less depth by design. Neither TFT display nor IPS display can produce color, there is a layer of RGB (red, green, blue) color filter in each LCD pixels to produce the color consumers see. If you use a magnifier to inspect your monitor, you will see RGB color in each pixel. With an on/off switch and different level of brightness RGB, we can get many colors.
Feature
TFT Display
IPS Display
Wide Viewing Angles
Wider viewing angles are not always welcome or needed. Image you work on the airplane. The person sitting next to you always looking at your screen, it can be very uncomfortable. There are more expensive technologies to narrow the viewing angle on purpose to protect the privacy.
Winner
High Contrast
Winner
Fast Response Time
Winner. IPS TFT screens have around 0.3 milliseconds response time while TN TFT screens responds around 10 milliseconds which makes the latter unsuitable for gaming
Cost
Winner. TFT LCD production technology is more mature than IPS LCD, hence it has a better production yield vs IPS LCD (costs around 30-50% lower)
Representation and Reproduction of Colour
Winner. the images that IPS displays create are much more pristine and original than that of the TFT screen. IPS displays do this by making the pixels function in a parallel way. Because of such placing, the pixels can reflect light in a better way, and because of that, you get a better image within the display.
As the display screen made with IPS technology is mostly wide-set, it ensures that the aspect ratio of the screen would be wider. This ensures better visibility and a more realistic viewing experience with a stable effect.
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Color Image Quality
Winner. IPS displays tend to have better clarity of color than TFT displays is a better crystal oriental arrangement which is an important part.
Energy Consumption
Winner. While the TFT LCD has around 15% more power consumption vs IPS LCD, IPS has a lower transmittance which forces IPS displays to consume more power via backlights. TFT LCD helps battery life.
Image Sticking or &#;Ghosting&#;
No clear winner as it depends on the display screen manufacturer. Generally speaking, TFT is less likely to experience this issue
Image Sticking is when an image will stay on for a short time when instead it should be off
TFT vs IPS Displays &#; Summary
Normally, high-end products, such as Apple Mac computer monitors and Samsung mobile phones, generally use IPS panels. Some high-end TV and mobile phones even use AMOLED (Active Matrix Organic Light Emitting Diodes) displays. This cutting edge technology provides even better color reproduction, clear image quality, better color gamut, less power consumption when compared to LCD technology.
Please note, OLED includes AMOLED and PMOLED (Passive Matrix Organic Light Emitting Diodes).
What you need to choose is AMOLED for your TV and mobile phones instead of PMOLED. If you have budget leftover, you can also add touch screen functionality as most of the touch nowadays uses PCAP (Projective Capacitive) touch panel.
This kind of touch technology was first introduced by Steve Jobs in the first-generation iPhone. Of course, a TFT LCD display can always meet the basic needs at the most efficient price. An IPS display can make your monitor standing out.
If you have a lot of money to spend, you can buy an AMOLED monitor, or you can get a curved monitor to show off.
Want to Learn More About TFT and IPS Displays?
If you want to learn more about TFT display technology, please visit Orient Display&#;s color TFT features.
#3
Post
by exTPfan » Wed May 25, 6:13 am
In my experience working for long periods on text with mathematics, the most important factor is how black the blacks are. Here IPS wins. Some TFT screens are OK, for example, those on the T42, but many are terrible, for example, those on the X301 and some T61 s. The website notebookcheck.net measures black levels. They should be about 0.3 cd/m^2 or less. For example, the T42/T60 IPS 15in screens are 0.30; the T42 TFT 14in is 0.64; the T61 TFT 14in is 1.1; and the X301 TFT is 1.85.
Work: T60/61 FPad (Win 7, UXGA IPS); T60/61 FPad (Win 7, UXGA IPS); forever.
Toys: X1 (first gen, Win 7); T450s (Win 7).
If you are looking for more details, kindly visit dght-oledlcd.com.
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