ORGANIC LIGHT EMITTING DIODES DONE BY: P.R.SESHADRI ECE-B 3RD YEAR 30410106085 ORGANIC LIGHT EMITTING DIODES INTRODUCTION An OLED (organic light-emitting diode) is a light-emitting diode (LED) in which the emissive electroluminescent layer is a film of organic compound which emits light in response to an electric current. This layer of organic semiconductor is situated between two electrodes. Generally‚ at least one of these electrodes is transparent. OLEDs are used to create digital
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Life of Black “Liberating Christ” is a critique of Langston Hughes‚ “On the Road” by Carolyn P. Walker. Hughes uses barely over 1000 words to narrate his story. His great skills of using metaphor‚ symbolism and imagery are some of few techniques of his great work. Hughes uses nature to express Sargeant’s refusal to participate in life. In Liberating Christ‚ Walker’s says Hughes has done serious criticism of racial discrimination. There were few other points we will be looking into oppression
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“The Black Finger” Angelina Grimke’s poem‚ “The Black Finger” is one of the shortest poems that we have read this year. As far as I’m concerned‚ it is also one of the most intriguing poems that we have read this year. I have read the poem at least thirty or forty times trying to pick up on new things that I may have missed before. In all of my readings I haven’t necessarily picked up on any new words or phrases that lead me to believe new things. I have‚ however‚ formed new visions of
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The control of white over black‚ however‚ seemed to be restored‚ as each of the newly elected state legislatures’s enacted statutes severely limiting the freedom and rights of the blacks. The “Black Codes” restricted the ability of blacks to own land and to work as free laborers and denied them most of the civil and political rights enjoyed by whites. The Supreme Court rulings allowed
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101 Mr. Zachary Alexander July 17‚ 2012 Document Reaction Paper: A Chronicle of the Black Death by Jean de Venette Ring around the rosy‚ pocket full of poesy‚ ashes‚ ashes‚ we all fall down. This seemingly innocent nursery rhyme that we all sang as little kids is actually a description of one of the most tragic outbreaks in all of history. This little ditty describes the signs and progress of the black death. Ring around the rosy‚ the plague first makes an introduction to it ’s victim by
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How does light intensity affect the rate of photosynthesis? Poorly Pondweed Questions 1) How does light intensity affect the rate of photosynthesis? 2) How does temperature affect the rate of photosynthesis? sunlight carbon dioxide + water glucose + oxygen chlorophyll sunlight 6CO2 + 6H2O àààààà C6H12O6 + 602 chlorophyll Prediction I predict that the more intense the light‚ the higher the rate of photosynthesis. To photosynthesise‚ plants need light. It provides the energy for the process
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Efficiency of an Incandescent Light Bulb Alex Mendez November 4‚ 2008 Purpose: The purpose of this lab was to examine the conversion of electrical energy to light and thermal energy as well as the efficiency of incandescent light bulbs. Procedure: To design this experiment we need to have a jar with water‚ temperature‚ and an voltage source. First‚ we poured 200 mL of water into a beaker then poured into a cup. We then stir up the water and measured the initial temperature of
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In Black is… Black Ain’t‚ the main character use this film to address issues of race‚ sexuality‚ racism‚ and tradition‚ while dealing with his own personal issue of having AIDS. Many prominent figures in the black community in the past and today have been known to address the matters of other no matter what they have going on personally. In the film‚ black tradition and black masculinity are two themes that stood out to me the most. Tradition and masculinity were two things in targeting the blacks
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The Black Death‚ or Black Plague‚ was one of the most devastating pandemics in human history. It began in south-western Asia and spread to Europe by the late 1340s‚ where it received its name Black Death. The total number of deaths worldwide from the pandemic are estimated at least 75 million people. The Black Death is estimated to have killed between a third and two-thirds of Europe’s population. The Black Death had a drastic effect on Europe’s population‚ irrevocably changing Europe’s social structure
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contrast of light and dark‚ white and black‚ and good and evil is a common theme in Heart of Darkness‚ Conrad essentially reverses the meanings of what is “light‚” or good‚ and what is “dark‚” or evil. Heart of Darkness is about the penetration of a corrupt light into darkness‚ and the consequences that result when the purity of the darkness is tainted. In this work‚ the light is often viewed as more menacing and evil than the darkness‚ and the white characters more corrupt than the black characters
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