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Title:TEHNOLOGIJI PRIKAZOVALNIKOV LCD IN OLED
Authors:ID Kapun, David (Author)
ID Družovec, Marjan (Mentor) More about this mentor... New window
Files:.pdf UN_Kapun_David_2015.pdf (2,29 MB)
MD5: 4675F98275ED0F2625D9097744276F54
 
Language:Slovenian
Work type:Undergraduate thesis
Typology:2.11 - Undergraduate Thesis
Organization:FERI - Faculty of Electrical Engineering and Computer Science
Abstract:Medijska vsebina največkrat doseže uporabnike preko interaktivnih naprav, kot so televizorji, mobilni telefoni, tablice prenosniki ipd. Večina teh naprav uporablja LCD-tehnologijo (Liquid Crystal Display: zaslon s tekočimi kristali), povečuje se pa delež naprav s hitro razvijajočo se OLED-tehnologijo(Organic light emitting diode: organske svetleče diode). Mobilni telefoni in tablice vedno pogosteje vključujejo OLED-prikazovalnike. V diplomski nalogi je raziskano delovanje obeh tehnologij. Definirani so kriteriji kakovosti, po katerih so nato ovrednotene prednosti ter slabosti. Ti so ločljivost, gostota pikslov, kontrastno razmerje, svetlost, frekvenca osveževanja, odzivni čas, barvni gamut, poraba energije in pa tehnologija proizvodnje. Zaključki so, da imajo naprave z OLED-tehnologijo boljša kontrastna razmerja (izjemne črne barve), odzivne čase ter večji barvni spekter. Teoretično imajo lahko tudi višje frekvence osveževanja. Gostota pikslov pa je parameter, ki je pogojen z velikostjo zaslona ter ločljivostjo in tudi tukaj se z OLED-tehnologijo dosega rekordno nasičene mikrozaslone. Naprave z LCD-tehnologijo pa še vedno dosegajo nekoliko večjo ločljivost in svetlost, so energetsko varčnejše ter cenejše za proizvodnjo. Na področju televizorjev prevladujejo, saj proizvodnja OLED-panelov večjih razsežnosti še ni dosegla zadovoljive učinkovitosti.
Keywords:barvni gamut, kontrastno razmerje, svetlost, odzivni čas, frekvenca osveževanja
Place of publishing:Maribor
Publisher:[D. Kapun]
Year of publishing:2015
PID:20.500.12556/DKUM-53988 New window
UDC:004.353.2(043.2)
COBISS.SI-ID:19193366 New window
NUK URN:URN:SI:UM:DK:NYDIOIOA
Publication date in DKUM:29.10.2015
Views:2081
Downloads:171
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FERI
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Secondary language

Language:English
Title:LCD AND OLED DISPLAY TECHNOLOGIES
Abstract:Users mostly get their media content through interactive devices, such as TVs, mobile phones, tablet computers, laptops, etc. The majority of devices incorporate LCD technology (Liquid crystall display), however the amount of devices with OLED (Organic light emitting diode) technology is increasing. The new technology is mostly used in mobile phones and tablet computers. In the thesis both LCD and OLED technologies and their operation is discussed. Quality criteria are also defined through which strengths and weaknesses of each technology are evaluated. Criteria that were defined are resolution, pixel density, contrast ratio, brightness, refresh rate, response time, color gamut, power consumption and manufacturing technologies. Research shows that OLED devices have better contrast ratios (amazing black levels), response times and a wider color gamut. Theoretically, they can have higher refresh rates. Pixel density is a parameter which is dependent on display size and resolution. Micro-displays with extremely high pixel densities can be made using OLEDs. As for LCD technology, it still remains the leader in resolution and brightness. Devices using this technology consume less power and arecheaper to manufacture. There is a lot higher portion of LCD TVs on the market. This is due to the fact that OLED production techniques for bigger panels are not sufficiently effective yet.
Keywords:color gamut, contrast ratio, brightness, response time, refresh rate


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