Marka laga reebo processor-rada, mid ka mid ah xulashooyinka badan ee ay tahay inaad sameyso marka aad iibsaneyso aaladda mobilada cusub waa nooca bandhigga ee ay taageerto. Inta badan soosaarayaasha waxay jecel yihiin bandhiga AMOLED^{(AMOLED display)} . Haddaba, maxay tahay tignoolajiyadan cusub ee soo bandhigay faa’iidada iyo khasaaraha ay leedahay? Boostadani waxay sharraxaysaa waxa AMOLED , Super AMOLED , OLED & Bandhigyada ^(Displays)LCD ay yihiin, sifooyinkooda, sida ay u kala duwan yihiin.

AMOLED vs OLED vs LCD muuqaal ah

Farqiga u dhexeeya AMOLED , OLED & LCD^{(LCD Display)} , marka la soo koobo, waa in horumarinta tignoolajiyada tuubada Cathode-ray ay keentay u guuritaanka tignoolajiyada LCD . Farqiga ugu weyn ee u dhexeeya bandhigyada LCD^(LCD) iyo OLED ama AMOLED ayaa ah in halka shaashadaha LCD ay isticmaalaan iftiinka dambe si ay u muujiyaan sawirka, shaashadda AMOLED waxay leedahay isha iftiinka. AMOLED iyo Super AMOLED waxaa loo isticmaalaa aaladaha mobilada^(Mobile) iyo telefishinada. Si kastaba ha ahaatee AMOLED , Super AMOLEDwaxaa loo tixgelin karaa nooc aad u horumarsan oo isku-dhafan taabashada-sensors.

Waa inaad aragtay shaashadda OLED oo si weyn loogu isticmaalo xayaysiisyada ganacsiga, goobaha ciyaaraha, isweydaarsiga saamiyada, iwm. Isla tignoolajiyada ayaa noqotay astaanta caadiga ah ee qaar ka mid ah taleefannada casriga^{(Smartphones)} ah iyo tablet-yada, iyo sidoo kale kamaradaha dhijitaalka ah iyo telefishinnada casriga ah.

AMOLED  iyo  Super AMOLED waa tignoolajiyada bandhiga ee lagu isticmaalo aaladaha mobilada^(Mobile) iyo telefishinada. Bandhigyadani waxay ka kooban yihiin lakabyo filim khafiif ah oo elektroluminescent ah (walxaha iftiimiya iftiinka si ay uga jawaabaan marinka hadda korantada) xeryahooda dabiiciga ah ee awoodda soo saara iyo matrix pixel-modulating.

Ma jiro farqi badan oo u dhexeeya AMOLED iyo OLED . Dhab ahaantii,  AMOLED Display waa tignoolajiyada bandhiga OLED kala duwan . Waxay u taagan tahay Firfircoon Matrix Organic Light Emitting Diode^{(Active Matrix Organic Light Emitting Diode)} , oo sidoo kale loo yaqaan ' Matrix Firfircoon OLED^{(Active Matrix OLED)} ' OLED . Bandhiga AMOLED^(AMOLED) ee caadiga ah wuxuu ka kooban yahay lakabka walxaha dabiiciga ah ee ku yaal inta u dhaxaysa labada elektrodes, Anode iyo Cathode , dhammaan waxaa lagu shubaa substrate. Lakabyada organic waxay cabbiraan dhumucdoodu 100 ilaa 500 nanometer taasoo u dhiganta 200 jeer ka yar timaha bini'aadamka.

Marka la barbardhigo AMOLED , Super AMOLED waxaa loo tixgelin karaa nooc aad u horumarsan oo isku dhafan taabashada-sensors. Dareemayaasha taabashada ah waxay ku dhex milmeen shaashadda lafteeda, halkii ay ka ahaan lahaayeen xagga sare ee shaashadda. Intaa waxaa dheer, Super AMOLED waxay leedahay 20% shaashad dhalaalaysa, 20% isticmaalka tamarta hoose iyo 80% iftiinka qorraxda ka yar.  AMOLED , dhanka kale, waxay leedahay muuqaal bannaanka oo liidata (marka ay joogto iftiinka qorraxda tooska ah)

Horumarka tignoolajiyada tuubada Cathode-ray waxay keentay u guuritaanka tignoolajiyada LCD ama tignoolajiyada Liquid Crystal Display ( LCD ). Farqiga ugu weyn ee u dhexeeya bandhigyada LCD^(LCD) iyo OLED ama AMOLED ayaa ah in halka shaashadaha LCD ay isticmaalaan iftiinka dambe si ay u muujiyaan sawirka, shaashadda AM OLED waxay leedahay isha iftiinka. AMOLED kasta^{(Every AMOLED)}panel (shaashadda) waxay ka kooban tahay tiro pixels ah. Pixel kastaa waxa uu u taagan yahay hal daqiiqo oo iftiin ah oo ku yaal shaashadda shaashadda, mid ka mid ah kuwa badan oo sawirku ka kooban yahay. Pixel kastaa wuxuu siidaayaa "iftiinka asalka ah", oo sidaas awgeed wuxuu u bixiyaa iftiinkiisa iyo midabkiisa si madax-bannaan marka loo shaqeeyo. Lakabka Filimada khafiifka ah ee Transistor^{(Thin Film Transistor)} ( TFT ) wuxuu caawiyaa xakameynta iftiinka ay bixiso OLEDsEach pixel.

Faa'iidooyinka iyo khasaaraha ee Bandhigga AMOLED^{(AMOLED Display)}

Iyadoo ay jiraan faa'iidooyin badan oo ku saabsan isticmaalka bandhigyada AMOLED waxaa sidoo kale jira qaar ka mid ah faa'iidooyin aan caadi ahayn. Waa kan kala qaybsanaanteeda!

Faa'iidooyinka^(Advantages)

• Bandhigyada AMOLED^(AMOLED) waxay leeyihiin waqti jawaab celin degdeg ah marka loo eego LED^(LEDs) -yada iyo LCD-yada^(LCDs) . Looma baahna iftiin danbe Tani waxay ka dhigaysaa jirku caato marka loo eego shaashadaha LCD .
• Bandhigyada AMOLED^{(AMOLED Displays)} waxay awood u siinayaan saamiga isbarbardhigga macmalka weyn ee xaaladaha mugdiga ah waxayna leeyihiin xagal daawasho wanaagsan marka loo eego LCD-yada^(LCDs) .

Khasaaro^{(Disadvantages)}

• Qiimaha ku lug leh soo saarista AMOLED Bandhigga^{(AMOLED Display)} waa mid sarreeya. Sidoo kale, tignoolajiyada loo baahan yahay si loo horumariyo muraayadaha AMOLED waa mid aad qaali u ah.
• Shaashadda AMOLED waxay leedahay muuqaal bannaanka oo aad u liidata. Tusaale ahaan, way adag tahay in wax kasta oo ku yaal guddi AMOLED ah lagu arko iftiinka qorraxda tooska ah maadaama aysan jirin iftiin gadaal ah oo la dhimay dhalaalka ugu sarreeya.
• Kala duwanaansho weyn oo nolosha ah oo ka mid ah walxaha dabiiciga ah ee midabka gaarka ah ayaa la arkaa. Filimada OLED ee ^(OLED)casaanka^(Red) iyo cagaarka ah waxay leeyihiin cimri dherer marka loo eego filimada OLED ee buluuga ah. Kala duwanaanshiyahan, muddo, waxa uu keenayaa isbeddello midab leh maaddaama pixels qaarkood ay ka dhaqso badan yihiin pixels kale.

Faa'iidooyinka iyo Khasaaraha ^{(Disadvantages)}Muujinta LCD^{(LCD Displays)}

Tignoolajiyada LCD^(LCD) way sii socotaa inay horumarto oo ay beddesho.

Faa'iidooyinka^(Advantages)

• Faa'iidada ugu weyn ee bandhigga LCD waa ay fududahay in la tuuro.
• Waxay leedahay heerar flicker hooseeya
• Waxa loo isticmaali karaa qalabka elektarooniga ah ee batari ku shaqeeya
• Ma saameynayso goobaha birlabeedka (khasaradda weyn ee lagu arkay bandhigyada CRT )

Khasaaro^{(Disadvantages)}

• Marka laga eego dhinacyo kala duwan, midabka iyo kala duwanaanshiyaha ayaa u muuqda kuwo aan iswaafaqayn
• Iftiinka iftiinka dambe awgeed, sawirku wuxuu u ekaan karaa mid siman
• luminta isbarbardhigga jawiga heerkulka sare
• waxay isticmaashaa koronto badan taasoo soo saarta kulayl badan

Wixii macluumaad dheeraad ah, ka akhri PDF - ka ijser.org.

AMOLED vs OLED vs LCD Display explained

Apart from processors, one of the many choices уou must make while buying a new mobile device is thе dіsplаy type supported by it. Most manufacturers favor AMOLED display. So, what is this new display technology and its advantages and disadvantages? This post explains what AMOLED, Super AMOLED, OLED & LCD Displays are, their features, how they are different.

AMOLED vs OLED vs LCD Display

The difference between AMOLED, OLED & LCD Display, in short, is that the evolution of Cathode-ray tube technology led to migration towards LCD technology. The major difference between LCD and OLED or AMOLED displays is that while LCD screens use background light to display the image, an AMOLED screen has its own source of light. AMOLED and Super AMOLED are used in Mobile devices and televisions. However AMOLED, Super AMOLED can be considered as a more advanced version that integrates touch-sensors.

You must have seen an OLED display screen being widely used in commercial advertisements, sports venues, stock exchanges, etc. The same technology has become a standard feature of some of flagship Smartphones and tablets, as well as digital cameras and smart televisions.

AMOLED and Super AMOLED are display technologies used in Mobile devices and televisions. These displays consist of a set of thin-film layers of electroluminescent (materials which emit light in response to the passage of an electric current) power-producing organic compounds and a pixel-modulating matrix.

There’s not much difference between AMOLED and OLED. In fact, AMOLED Display is a variant OLED display technology. It stands for Active Matrix Organic Light Emitting Diode, also known as ‘Active Matrix OLED’ OLED. A typical AMOLED display is made up of a layer of organic materials situated between two electrodes, the Anode and Cathode, all deposited on a substrate. The organic layers measure about 100 to 500 nanometres thick which is equivalent to 200 times smaller than a human hair.

In comparison to AMOLED, Super AMOLED can be considered as a more advanced version which integrates touch-sensors. These touch-sensors are integrated into the screen itself, instead of having them at the top of the screen. In addition to this, Super AMOLED has 20% brighter screen, 20% lower power consumption and 80% less sunlight reflection.  AMOLED, on the other hand, has poor outdoor visibility (in the presence of direct sunlight)

The evolution of Cathode-ray tube technology led to migration towards LCD technology or Liquid Crystal Display (LCD) technology. The major difference between LCD and OLED or AMOLED displays is that while LCD screens use background light to display the image, an AMOLED screen has its own source of light. Every AMOLED panel (screen) consists of a number of pixels. Each pixel represents a minute area of illumination on a display screen, one of many from which an image is composed. Each pixel emits its own “background light,” and thus it renders its light and color independently when activated electrically. A Thin Film Transistor (TFT) layer helps in controlling the light emitted by the OLEDsEach pixel.

Advantages and disadvantages of AMOLED Display

While there are many advantages of using AMOLED displays there also some inherent disadvantages. Here’s a breakdown of it!

Advantages

• AMOLED displays have a faster response time in comparison to LEDs and LCDs. No backlight is required. This makes the body slim compared to LCD screens.
• AMOLED Displays enable a greater artificial contrast ratio in purely dark conditions and have a better viewing angle compared to LCDs.

Disadvantages

• The cost involved in producing an AMOLED Display is high. Also, the tech needed to develop AMOLED panels is very expensive.
• An AMOLED display has a very poor outdoor visibility. For example, it is difficult to view anything on an AMOLED panel in direct sunlight as there is no backlighting and reduced maximum brightness.
• A large variation in the lifespan of each color-specific organic material is seen. Red and green OLED films have longer lifespans compared to blue OLED films. This variation, over a period, results in color shifts as some pixels fade faster than the other pixels.

Advantages and Disadvantages of LCD Displays

LCD technology continues to evolve and change.

Advantages

• The biggest advantage of the LCD display is it is easy to dispose of.
• It has low flicker rates
• Can be used in battery-powered electronics
• It is not affected by the magnetic fields (a major disadvantage seen in CRT displays)

Disadvantages

• When viewing from different angles, the color and contrast appears inconsistent
• Due to brightness from backlighting, imagery may appear flat
• loss of contrast in high-temperature environments
• consumes a lot of electricity which produce a lot of heat

For more information, read the PDF from ijser.org.

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