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WikiCards · Card list · Science cards · OLED
Rare card · Science
OLED, a Rare card
An organic light-emitting diode, also known as organic electroluminescent diode, is a type of light-emitting diode in which the emissive electroluminescent layer is an organic compound film that emits light in response to an electric current.
- Rarity
- Rare
- Domain
- Science
- ATK
- 94
- DEF
- 90
- Power
- 184
- Wikipedia reads a year
- 210,000
Power 184 (ATK + DEF): stronger than 95 % of WikiCards cards.
OLED quiz: 3 questions
Three questions on the OLED card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
OLEDs are fundamentally different from LEDs and do not employ a ______ structure.
Answer
crystalline. OLEDs are fundamentally different from LEDs and do not employ a crystalline structure. From the OLED article on Wikipedia.
Which of these cards hits hardest (highest ATK)?
Answer
OLED. OLED 94 · Law 90 · Formation and evolution of the Solar System 87 · Robert Hooke 84 ATK in WikiCards.
In a duel, each round asks a question like these about the opposing card, with 15 seconds to answer.
The facts on the card
The card carries these facts from its Wikipedia article.
- This organic layer is situated between two electrodes, typically, at least one of these electrodes is transparent.
- OLEDs are used to create digital displays in devices such as television screens, computer monitors, and portable systems such as smartphones and handheld game consoles, its significant advantage over liquid-crystal displays is that the individual pixels emit their own light, requiring no backlight like LED-lit LCDs.
- OLEDs are fundamentally different from LEDs and do not employ a crystalline structure.
Why it is Rare
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The OLED article was read about 210,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 94 and blocks with 90: each hit it takes is cut by 36 %.
How to get OLED
Open packs. Each pack holds five cards drawn from real Wikipedia articles, the rarest last, and the fifth card is always Rare or better. The odds are shown in the game. A free pack arrives every hour and two can wait, and the Coins you win in duels buy more packs.
More Science cards
Cards close in power
The cards just above and just below OLED in the power ranking, all domains together.
- Steve YzermanRare · History · ATK 85 DEF 99
- Émile DurkheimRare · Science · ATK 84 DEF 100
- Gothic Revival architectureRare · Arts · ATK 88 DEF 96
- 2025 Polish presidential electionUncommon · History · ATK 100 DEF 84
- Kolkata MetroRare · Society · ATK 91 DEF 93
- NavaratriUncommon · Society · ATK 91 DEF 93
Card lists
- Wikipedia quizNew questions every day
- All cards from A to ZEvery card, by name
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- Tier listS and A tiers by power (ATK + DEF)
Credits
Text : Wikipedia, OLED (revision), CC BY-SA 4.0. Photo : Samsung Belgium, CC BY 2.0, Wikimedia Commons.
