Therefore, if an LCD’s response time is 2 ms or less, then its MPRT is comparable to that of an OLED display, even if the OLED’s response time is assumed to be 0.Ģ.2. Note that the MPRT for τ= 2 ms is only 4% longer than that of τ= 0 (i.e. It is seen that at a given frame rate, say 120 fps, as the LC response time decreases, MPRT decreases almost linearly and then gradually saturates. Using this equation, we can easily obtain MPRT as long as LC response time and TFT frame rate are known.įigure 1 is a plot of simulated MPRT at different TFT frame rates. derived an analytical equation to describe the MPRT : (1) M P R T = τ 2 + 0.8 T f 2 (1) This task becomes incredibly simple, as Peng et al. Previously, calculating the MPRT of an active matrix display was rather difficult, because several effects are involved, like sample-and-hold effect, image motion, and human vision effect. To characterize image blurs, motion picture response time (MPRT) has been proposed and commonly practiced. These novel designs can boost the LCD’s performance in response time, colour gamut, and contrast ratio to be comparable with OLED or even better.Īs mentioned earlier, motion image blur would occur when the display response is not fast enough. In this paper, we will review some of our recently developed LCD device structures with detailed working mechanism elucidated. As a result, to enhance the image quality of an LCD, motion picture response time, colour gamut, and contrast ratio have to be improved substantially. On the other hand, LCD’s CR depends on the device configuration, but even for the best vertical alignment (VA) mode, its CR is still limited to around 5000:1, which is far lower than OLED. Lastly, OLED can get nearly infinity-to-one contrast ratio in a perfect dark room owing to its self-emissive characteristic.

In comparison, RGB OLED can easily realize >80% Rec. 2020 with two-phosphor KSF-based WLED, the colour gamut is improved to 70–80% Rec. With one-phosphor YAG-based WLED, LCD can get ~50% Rec. Presently, phosphor-converted white light-emitting diode (WLED) is still the major light source. For LCD colour gamut, the backlight source is the dominant factor.

Thus, its response time is typically 5–10 ms. Whereas LCD is non-emissive and the image transition results from molecular reorientation. OLED is a self-emissive technology with 100 μs response time. Response time affects the motion blur, which is critical for displaying fast-moving objects in movies, gaming, and sports. However, in terms of the image quality, LCD is generally perceived inferior to OLED, mainly due to its slower response time, lower contrast ratio, and narrower colour gamut. For example, LCDs are superior in high brightness, long lifetime, low cost, and high-resolution density. Each technology has its own pros and cons. OLED: who wins?’ is a heated debatable question. In general, these are two completely different display technologies. However, in recent years, an organic light-emitting diode (OLED) display is emerging and growing rapidly, which starts to challenge the dominance of LCDs from all aspects. Ltd.įor more information about this report visit CONTACT: CONTACT: Laura Wood, Senior Press Manager For E.S.T Office Hours Call 1-91 For U.S.Thin-film transistor liquid crystal displays (TFT LCDs) are ubiquitous in our daily life their applications span from smartphones, pads, computer screens, to TVs. Ltd., Etulipa, FRONICS, iBeam Materials, eMagin, QustomDot, Cynora, and OTI Lumionics.Ģ DISPLAY INDUSTRY-MARKET STATUS AND OUTLOOKģ.2 OTFT materials for LCD and electrophoretic displaysģ.11 Flexible organic liquid crystal displaysĤ.4 Global market revenues 2018-2031 (Millions USD)ĥ SMART GLASSES AND HEAD-MOUNTED DISPLAYS (VR, AR, MR, Vision Loss and Eye Trackers)ĥ.3 Augmented (AR) headsets and smart glassesĦ.3.1 Cadmium Selenide, Cadmium Sulfide and other materialsĦ.4.3 Quantum dot enhancement film (QDEF) for current QLEDsĦ.5 Global market for quantum dots in TVs and displaysħ.10 Global shipment forecasts for MicroLEDsħ.10.2 TECHNOLOGY AND MANUFACTURING ANALYSISħ.10.2.1 MiniLED (mLED) vs MicroLED (LED)ħ.21 MICROLED FLEXIBLE, STRETCHABLE AND FOLDABLE DISPLAYSħ.22 MICROLED BIOTECHNOLOGY AND MEDICAL DISPLAYSħ.24 MICROLED VIRTUAL (VR) AND AUGMENTED REALITY (AR)Ĩ.3 Flexible PMOLED (Passive Matrix OLED)Ĩ.5 Phosphorescent organic light-emitting diodes (PHOLED)Ĩ.6 OLED displays with Artificial Intelligence (AI)Ĩ.10 Global market revenues 2018-2031 (Millions USD) Ltd., Dispelix Oy, SCHOTT, kBOE Display Technology Co. Companies profiled include Keiron Printing Technologies, CHASM Advanced Materials, Tianma, Dexerials Corporation, AU Optronics Corp., VueReal Inc., Flexbright Oy, Samsung, Seoul Semiconductor/Seoul Viosys Co. Profiles of over 330 product developers from SMEs to multi-national electronics companies.

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