INDIA

A country with many good and bad deeds....many hidden secrets....many unsolved talks...many unachieved targets.....but there are some impossible achieved targets also!!!

Good in sense of culture, history, mythology, tourist spots and in indian style we are good in everything...
Somewhat bad in Politics, entrepreneurship, rules and regulations, illitracy, and many more..

I am an Indian and know how can i describe my own country but if looking 1st line hidden secrets, unsolved talks...what r these confused..??

well every country carries its own history and in every history there are secrets and the secrets are never ending..

And if i talk about unsolved talks they are both related to politics and history..let say for the cold war between India and pakistan and it will be always be a unsolved talk.Well talking about india it is a peaceful country and it search peace in every possible manner. In peace the 10% of the India is not only gone in Pakistan hand but China has also wash their hand in flowing water.

• According to britannica world atlas jammu kashmir upper portion is termed as POK that is Pakistan Occupied Kashmir(illegally occupied by pakistan) and this is the hidden secret which only few people know.
• According to the same world atlas there is a few kilometer portion in uttranchal which is connected to china is taken illegally by the china.
• According to the same world atlas the portion in the east along the china connected to arunachal pradesh. few portion of land are in china hand, but we want peace...:(
• Apart from the atlas stuff, in the indian history Queen Elizabeith 2nd has taken away the kohinoor diamond with her in 80's or 90's and now when India is independent from last 61 years. No one can ask for the diamond back anyone. Why because India need peace and cannot go fighting all around for it.

Every year India waits for some bad to happen...!!!
so final verdict
WOW india is finally at peace...!!!

I have talk some bad deeds. Let have our great achivement and impossible achieve targets.

• Indians have shown some good stuff in olympics getting 3 medals the first time ever.
• A R Rahman winning 2 Oscar Awards for which india was waiting for several years.
• From economic point of view india has shown great development in private sectors as well as government sectors.

and lot more...!!!
so from my point of view Bad deeds are more than good deeds think it and then judge it. There are lot more to add in both the sections.
India is not the best we have to make it the best:):)

OLEDs

ORGANIC LIGHT EMITTING DIODE
1. INTRODUCTION

Imagine having a high defination television that is 80 inches wide and less than a quarter-inch thick, consumes less power than most televisions on the market today and can be rolled up when you're not using it. What if you could have a "heads up" display in your car? How about a display monitor built into your clothing? These devices may be possible in the near future with the help of a technology called organic light-emitting diodes (OLEDs).
OLEDs are solid-state devices composed of thin films of organic molecules that create light with the application of electricity. OLEDs can provide brighter, crisper displays on electronic devices and use less power than conventional light emiting diodes(LEDs) or liquid crystal display(LCDs) used today.

2. COMPONENTS OF OLEDS
Like an LED, an OLED is a solid-state semiconductor device that is 100 to 500 nanometers thick or about 200 times smaller than a human hair. OLEDs can have either two layers or three layers of organic material. In the latter design, the third layer helps transport electrons from the cathode to the emissive layer. In this article, we'll be focusing on the two-layer design.

An OLED consists of the following parts:

2.1 Substrate (clear plastic, glass, foil) - The substrate supports the OLED.

2.2 Anode (transparent) - The anode removes electrons (adds electron "holes") when a current flows through the device. Indium tin oxide is commonly used as the anode material. It is transparent to visible light and has a high work function which promotes injection of holes into the polymer layer.

2.3 Organic layers - These layers are made of organic molecules or polymers.
Conducting layer - This layer is made of organic plastic molecules that transport "holes" from the anode. One conducting polymer used in OLEDs is polyaniline. Aluminium and calcium are often used for the cathode as they have low work functionswhich promote injection of electrons into the polymer layer

3. WORKING PRINCIPLE
OLEDs emit light in a similar manner to LEDs, through a process called electrophosphorescence.
The process is as follows:

1. The battery or power supply of the device containing the OLED applies a voltage across the OLED.

2. An electrical current flows from the cathode to the anode through the organic layers (an electrical current is a flow of electrons).
 The cathode gives electrons to the emissive layer of organic molecules.
 The anode removes electrons from the conductive layer of organic molecules. (This is the equivalent to giving electron holes to the conductive layer.)

2.4 Cathode (may or may not be transparent depending on the type of OLED) - The cathode injects electrons when a current flows through the device.

3. At the boundary between the emissive and the conductive layers, electrons find electron holes.
 When an electron finds an electron hole, the electron fills the hole (it falls into an energy level of the atoms that's missing an electron).
 When this happens, the electron gives up energy in the form of a photon of light
4. The OLED emits light.

5. The color of the light depends on the type of organic molecule in the emissive layer. Manufacturers place several types of organic films on the same OLED to make color displays.

6. The intensity or brightness of the light depends on the amount of electrical current applied: the more current, the brighter the light.
Emissive layer - This layer is made of organic plastic molecules (different ones from the conducting layer) that transport electrons from the cathode; this is where light is made. One polymer used in the emissive layer is polyfluorene.