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The latest high dynamic range (HDR) TVs feature levels of image quality that have to be seen to be believed. Here’s how to turn your own photo slideshows and videos into HDR10 specs, so you can play them back correctly on a wide variety of high-quality devices.
The global TFT-LCD display panel market attained a value of USD 181.67 billion in 2022. It is expected to grow further in the forecast period of 2023-2028 with a CAGR of 5.2% and is projected to reach a value of USD 246.25 billion by 2028.
The current global TFT-LCD display panel market is driven by the increasing demand for flat panel TVs, good quality smartphones, tablets, and vehicle monitoring systems along with the growing gaming industry. The global display market is dominated by the flat panel display with TFT-LCD display panel being the most popular flat panel type and is being driven by strong demand from emerging economies, especially those in Asia Pacific like India, China, Korea, and Taiwan, among others. The rising demand for consumer electronics like LCD TVs, PCs, laptops, SLR cameras, navigation equipment and others have been aiding the growth of the industry.
TFT-LCD display panel is a type of liquid crystal display where each pixel is attached to a thin film transistor. Since the early 2000s, all LCD computer screens are TFT as they have a better response time and improved colour quality. With favourable properties like being light weight, slim, high in resolution and low in power consumption, they are in high demand in almost all sectors where displays are needed. Even with their larger dimensions, TFT-LCD display panel are more feasible as they can be viewed from a wider angle, are not susceptible to reflection and are lighter weight than traditional CRT TVs.
The global TFT-LCD display panel market is being driven by the growing household demand for average and large-sized flat panel TVs as well as a growing demand for slim, high-resolution smart phones with large screens. The rising demand for portable and small-sized tablets in the educational and commercial sectors has also been aiding the TFT-LCD display panel market growth. Increasing demand for automotive displays, a growing gaming industry and the emerging popularity of 3D cinema, are all major drivers for the market. Despite the concerns about an over-supply in the market, the shipments of large TFT-LCD display panel again rose in 2020.
North America is the largest market for TFT-LCD display panel, with over one-third of the global share. It is followed closely by the Asia-Pacific region, where countries like India, China, Korea, and Taiwan are significant emerging market for TFT-LCD display panels. China and India are among the fastest growing markets in the region. The growth of the demand in these regions have been assisted by the growth in their economy, a rise in disposable incomes and an increasing demand for consumer electronics.
The report gives a detailed analysis of the following key players in the global TFT-LCD display panel Market, covering their competitive landscape, capacity, and latest developments like mergers, acquisitions, and investments, expansions of capacity, and plant turnarounds:
A thin-film-transistor liquid-crystal display (TFT LCD) is a variant of a liquid-crystal display that uses thin-film-transistor technologyactive matrix LCD, in contrast to passive matrix LCDs or simple, direct-driven (i.e. with segments directly connected to electronics outside the LCD) LCDs with a few segments.
In February 1957, John Wallmark of RCA filed a patent for a thin film MOSFET. Paul K. Weimer, also of RCA implemented Wallmark"s ideas and developed the thin-film transistor (TFT) in 1962, a type of MOSFET distinct from the standard bulk MOSFET. It was made with thin films of cadmium selenide and cadmium sulfide. The idea of a TFT-based liquid-crystal display (LCD) was conceived by Bernard Lechner of RCA Laboratories in 1968. In 1971, Lechner, F. J. Marlowe, E. O. Nester and J. Tults demonstrated a 2-by-18 matrix display driven by a hybrid circuit using the dynamic scattering mode of LCDs.T. Peter Brody, J. A. Asars and G. D. Dixon at Westinghouse Research Laboratories developed a CdSe (cadmium selenide) TFT, which they used to demonstrate the first CdSe thin-film-transistor liquid-crystal display (TFT LCD).active-matrix liquid-crystal display (AM LCD) using CdSe TFTs in 1974, and then Brody coined the term "active matrix" in 1975.high-resolution and high-quality electronic visual display devices use TFT-based active matrix displays.
The circuit layout process of a TFT-LCD is very similar to that of semiconductor products. However, rather than fabricating the transistors from silicon, that is formed into a crystalline silicon wafer, they are made from a thin film of amorphous silicon that is deposited on a glass panel. The silicon layer for TFT-LCDs is typically deposited using the PECVD process.
Polycrystalline silicon is sometimes used in displays requiring higher TFT performance. Examples include small high-resolution displays such as those found in projectors or viewfinders. Amorphous silicon-based TFTs are by far the most common, due to their lower production cost, whereas polycrystalline silicon TFTs are more costly and much more difficult to produce.
The twisted nematic display is one of the oldest and frequently cheapest kind of LCD display technologies available. TN displays benefit from fast pixel response times and less smearing than other LCD display technology, but suffer from poor color reproduction and limited viewing angles, especially in the vertical direction. Colors will shift, potentially to the point of completely inverting, when viewed at an angle that is not perpendicular to the display. Modern, high end consumer products have developed methods to overcome the technology"s shortcomings, such as RTC (Response Time Compensation / Overdrive) technologies. Modern TN displays can look significantly better than older TN displays from decades earlier, but overall TN has inferior viewing angles and poor color in comparison to other technology.
The transmittance of a pixel of an LCD panel typically does not change linearly with the applied voltage,sRGB standard for computer monitors requires a specific nonlinear dependence of the amount of emitted light as a function of the RGB value.
Less expensive PVA panels often use dithering and FRC, whereas super-PVA (S-PVA) panels all use at least 8 bits per color component and do not use color simulation methods.BRAVIA LCD TVs offer 10-bit and xvYCC color support, for example, the Bravia X4500 series. S-PVA also offers fast response times using modern RTC technologies.
TFT dual-transistor pixel or cell technology is a reflective-display technology for use in very-low-power-consumption applications such as electronic shelf labels (ESL), digital watches, or metering. DTP involves adding a secondary transistor gate in the single TFT cell to maintain the display of a pixel during a period of 1s without loss of image or without degrading the TFT transistors over time. By slowing the refresh rate of the standard frequency from 60 Hz to 1 Hz, DTP claims to increase the power efficiency by multiple orders of magnitude.
Due to the very high cost of building TFT factories, there are few major OEM panel vendors for large display panels. The glass panel suppliers are as follows:
External consumer display devices like a TFT LCD feature one or more analog VGA, DVI, HDMI, or DisplayPort interface, with many featuring a selection of these interfaces. Inside external display devices there is a controller board that will convert the video signal using color mapping and image scaling usually employing the discrete cosine transform (DCT) in order to convert any video source like CVBS, VGA, DVI, HDMI, etc. into digital RGB at the native resolution of the display panel. In a laptop the graphics chip will directly produce a signal suitable for connection to the built-in TFT display. A control mechanism for the backlight is usually included on the same controller board.
The low level interface of STN, DSTN, or TFT display panels use either single ended TTL 5 V signal for older displays or TTL 3.3 V for slightly newer displays that transmits the pixel clock, horizontal sync, vertical sync, digital red, digital green, digital blue in parallel. Some models (for example the AT070TN92) also feature input/display enable, horizontal scan direction and vertical scan direction signals.
New and large (>15") TFT displays often use LVDS signaling that transmits the same contents as the parallel interface (Hsync, Vsync, RGB) but will put control and RGB bits into a number of serial transmission lines synchronized to a clock whose rate is equal to the pixel rate. LVDS transmits seven bits per clock per data line, with six bits being data and one bit used to signal if the other six bits need to be inverted in order to maintain DC balance. Low-cost TFT displays often have three data lines and therefore only directly support 18 bits per pixel. Upscale displays have four or five data lines to support 24 bits per pixel (truecolor) or 30 bits per pixel respectively. Panel manufacturers are slowly replacing LVDS with Internal DisplayPort and Embedded DisplayPort, which allow sixfold reduction of the number of differential pairs.
The bare display panel will only accept a digital video signal at the resolution determined by the panel pixel matrix designed at manufacture. Some screen panels will ignore the LSB bits of the color information to present a consistent interface (8 bit -> 6 bit/color x3).
With analogue signals like VGA, the display controller also needs to perform a high speed analog to digital conversion. With digital input signals like DVI or HDMI some simple reordering of the bits is needed before feeding it to the rescaler if the input resolution doesn"t match the display panel resolution.
Kawamoto, H. (2012). "The Inventors of TFT Active-Matrix LCD Receive the 2011 IEEE Nishizawa Medal". Journal of Display Technology. 8 (1): 3–4. Bibcode:2012JDisT...8....3K. doi:10.1109/JDT.2011.2177740. ISSN 1551-319X.
K. H. Lee; H. Y. Kim; K. H. Park; S. J. Jang; I. C. Park & J. Y. Lee (June 2006). "A Novel Outdoor Readability of Portable TFT-LCD with AFFS Technology". SID Symposium Digest of Technical Papers. AIP. 37 (1): 1079–82. doi:10.1889/1.2433159. S2CID 129569963.
The Nikon Coolpix AW100 is a new waterproof, shock-proof, cold-resistant compact digital camera. The AW100 is Nikon"s first foray into the weather-proof camera market and is is waterproof to 10 meters, shock-proof to 1.5 meters, and freezeproof to as low as -10°C (14°F). The Coolpix AW100 also has a 16-megapixel back illuminated CMOS sensor, a 5x, 28-140mm equivalent zoom lens with lens-shift vibration reduction, 3-inch 460K-dot LCD monitor, full 1080p HD video with stereo sound, 3fps burst shooting, built-in GPS, a world map display and an electronic compass. The Nikon Coolpix AW100 is available in black, orange, blue or camouflage for an official retail price of £329.99 / €383.00 / $379.95.
The AW100 is waterproof to depths of 10m, shockproof from heights of up to 1.5m and freeze-proof for temperatures down to -10°C. This isn"t quite as good as the Panasonic DMC-FT3, which adds a couple of meters to the waterproof depth and half a meter to the shockproof height, but it should ensure that the AW100 will cope with most things that you literally throw at it, or throw it into. Note that it isn"t also officially dust-proof, however, again something that the DMC-FT3 offers.
The rest of the AW100 looks more like a normal compact. The rear panel features a 3-inch TFT LCD screen with a pleasingly high resolution of 460K dots. The LCD also features Nikon’s Clear Color Display technology which helps to minimize reflections in bright sunlight and underwater, and in practice this did make the screen easier to see than the majority of compacts that we test.
The Nikon AW100 runs on a dedicated Lithium-ion battery, and records images as well as videos on SD / SDHC / SDXC cards. As already mentioned, he battery and card share a common compartment with the HDMI and AV-Out ports, whose locakble, sealed door is found on the right of the camera (looking from the rear). The quoted number of images that can be captured on a single charge is a rather average 250, though the actual figure may vary considerably with the amount of flash, GPS and zoom usage that you opt for. On the bottom of the AW100 is a plastic tripod socket that"s centrally located in line with the LCD screen.
In Smart Portrait Mode, you can also have the camera digitally soften the skin of people automatically after capture. The level of skin softening can be specified by the user. The default is Normal, with a High and a Low option also available. Skin softening can also be turned off. Furthermore, the AW100 has a blink-proof mode, in which two shots are taken in rapid succession, and if the subject"s eyes happen to be closed in one of them, the camera discards that photo, while keeping the other one. The flash is disabled in blink-proof mode, as it cannot recycle fast enough.
Looking much like a regular digital camera, the new Nikon Coolpix AW100 can withstand almost everything that life can throw at it, underwater, in the cold, from a moderate height, although it"s not dust- or crush-proof like some rivals. The inclusion of a suite of sophisticated GPS features, which doesn"t affect battery-life too adversely, and the innovative Action Control feature makes the AW100 a great travel companion. Sure, just like a regular digital camera, it may not produce the best images and it does cost substantially more than most compacts, but the AW100 is still an assured first stab at an all-action model.
We recently published our round-up of Top 7 Cameras For Active Photographers, these cameras are all waterproof, shockproof and freezeproof. Nikon didn"t feature on the list as they had not released a suitable camera until they announced the Coolpix AW100 in August 2011. We take a look at this new addition to the Coolpix range to see if it"s worthy of a place in the Top 7.
The Nikon Coolpix AW100 is the first camera in the new Coolpix All Weather line. It"s a rugged compact that"s waterproof down to 10 metres for up to one hour, shockproof to a drop of 1.5 metres and freeze-proof for temperatures as low as -10C.
7.5 cm (3-in.), approx. 460k-dot, wide-viewing angle TFT LCD monitor (HVGA), clear color panel, anti- reflection coating, brightness adjustment
FullHD 1080p: 1920 x 1080 (30 fps), HD 720p: 1280 x 720 (30 fps), TV movie 640: 640 x 480 (30 fps), Small size 320: 320 x 240 (30 fps)