What is Plasma Display Panel (PDP)?

Plasma Display Panel

Plasma display panels are a type of flat panel that use small cells containing plasma. A plasma display panel is an emissive display which means the panel itself is the light source. Plasma displays are mostly used to make large displays.

PDPs are extremely bright and light-tolerant flat panel display technology that use the gas discharge principle hence also known as gas discharge displays. So I thought why not tell you all about what PDP (Plasma Display Panel) is and some important information related to it. So without any delay let’s start.

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Plasma Display

Plasma Display is a type of flat panel display that uses Plasma. Plasma is a type of electrically charged ionized gas that burns together to produce output on a display. They are mainly used in large TV displays whose length is at least 30 inches or larger.

Main parts of Plasma Display

Let us now know about the most important parts of Plasma display.

Cathode


Very small fine wire is used in cathode. Which send negative voltage to the gas cell and along with this the voltage is kept along the negative axis.

Anode

There are line wires inside it which are fine. They release positive voltage.

Fluorescent cells

In this, neon gas is contained in a liquid forum in which small pockets are made. Which send voltage to Liion Gas Liquid. Then it produces light. Which are visible on the screen.

Glass Plates

The glass plate acts like a capacitor and when voltage is sent to it, the glass plate starts glowing. In this, if there is too much gas inside between the horizontal and vertical wires, the intensity of the gas slows down. Its voltage should be between 90 to 120.

How does a plasma display work?

In a plasma display, there are millions of small compartments between two plates of glass. These compartments, which we call pixels, are wired with red, blue and green phosphors. These compartments are filled with noble gases like: helium, argon, neon.

And also, there is a grid of electrodes on both sides of these compartments, due to which each compartment works like a plasma bulb. And when high voltage is applied in these compartments then the gas present in the compartment gets converted into ultraviolet light.

Then through phosphor coating inside the compartment, this ultraviolet light gets converted into visible light i.e. it gets converted into plasma and in this way millions of compartments in the plasma display panel take the form of pixel bulbs which can be switched on and off systematically. This is how a plasma display panel works.

Advantages of using Plasma Display Panel

Now let us know what are the advantages of using Plasma Display Panel.

1. Better than CRT display

A major advantage of plasma displays is that they have more pixels per inch than displays based on cathode-ray tube or CRT displays. This advantage translates to specific benefits such as a sharper image.

2. More compact than CRT

Furthermore, compared to CRT, another advantage of plasma display is that it is less bulky or more compact.

3. Wide viewing angle

The deep black color of a plasma display means it also has wider viewing angles than CRT and LCD. Note that LCDs suffer color degradation when viewed at extreme angles while CRTs do not produce deep blacks.

4. Superior uniformity

The backlight of an LCD panel almost always produces uneven brightness levels. This fact is especially true for low-end and cheap LCDs. CRT displays can also suffer from uneven color production as the screen size becomes wider. PDP screens, on the other hand, have uniform brightness.

5. Less visible motion blur

Most plasma displays have refresh rates and response times that are similar to TN LCDs and higher-end and expensive IPS LCDs. Ghosting and blurring are not easily visible, thus making PDP desirable for displaying high-speed video and playing video games.

6. Color display

Plasma display panel can display 16.77 million colors

7. It provides high resolution

8. It may display HDTV complaint signs

9. Better contrast ratio

Disadvantages of using Plasma Display Panel

Now let us know what are the disadvantages of using Plasma Display Panel.

  1. Fear of decline

A significant disadvantage of plasma display panels is that they suffer from screen burn-in and image retention. This limitation makes PDP unsuitable for displaying still images. Previous generations of PDPs also suffer from brightness degradation resulting in a gradual decline in their absolute brightness level.

  1. Flicker effect

Depending on the quality or standards of the manufacturer, some plasma displays also suffer from noticeable flicker with varying colors, intensities and patterns. This phenomenon is attributed to the bistable nature of the color produced and the method of producing intensity.

  1. High power consumption

Another disadvantage of plasma displays is that they consume more power and generate higher power costs relative to LCD panels that use LED backlight.

  1. More expensive

Plasma displays cost much more than CRT displays and on average are slightly higher than most LCDs. However, there are high-end LCDs that are more expensive than the average LCD.

  1. Heavier than LCD and OLED

Remember that plasma displays have a more compact physical profile than CRT displays. However, compared to LCDs, they are slightly larger. Furthermore, when compared to OLED panels, they are largely cumbersome. PDPs are also generally heavier than LCDs and OLEDs.

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