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WASHINGTON – Japanese electronics manufacturer Hitachi Displays Ltd., agreed to plead guilty and pay a $31 million fine for its role in a conspiracy to fix prices in the sale of Thin Film Transistor-Liquid Crystal Display panels (TFT-LCD) sold to Dell Inc., the U.S. Department of Justice announced today.

A one-count felony charge filed today in U.S. District Court in San Francisco charges Hitachi Displays Ltd., a subsidiary of Hitachi Ltd., with participating in a conspiracy to fix the prices of TFT-LCD sold to Dell for use in desktop monitors and notebook computers from April 1, 2001, through March 31, 2004. According to the plea agreement, which is subject to court approval, Hitachi Displays has agreed to cooperate with the Department’s ongoing antitrust investigation.

"Hitachi joins three other multinational companies who have admitted to their involvement in fixing prices for LCD panels sold to U.S. companies and that have already paid criminal fines totaling more than $585 million," said Scott D. Hammond, Acting Assistant Attorney General in charge of the Department’s Antitrust Division. "This case should send a strong message to multinational companies operating in the United States that when it comes to enforcing the U.S. antitrust laws we mean business."

Including today’s filing, four companies and seven individuals have been charged in the Department’s ongoing antitrust investigation into the TFT-LCD industry. To date, more than $585 million in criminal fines have been imposed as a result of this investigation, and four individuals have pleaded guilty and have been sentenced to serve jail time.

TFT-LCD panels are used in computer monitors and notebooks, televisions, mobile phones and other electronic devices. In 2006, the worldwide market for TFT-LCD panels was approximately $70 billion. Hitachi Displays Ltd., based in Tokyo, Japan, reported $1.75 billion in total revenue for the fiscal year ending March 2008.

Hitachi Displays is charged with carrying out the conspiracy by: Participating in bilateral meetings, conversations and communications in Japan, Korea and the United States to discuss the prices of TFT-LCD to be sold to Dell;

Agreeing, during those bilateral meetings, conversations and communications, to charge prices of TFT-LCD to be sold to Dell at certain predetermined levels;

This is the fourth plea agreement by a company charged with participating in conspiracies to fix the prices for TFT-LCD. On Dec. 15, 2008, LG Display Co. (LG) pleaded guilty to participating in a worldwide conspiracy to fix the price for TFT-LCD and was sentenced to pay a $400 million criminal fine – the second-largest fine in Antitrust Division history. On Dec. 16, 2008, Sharp Corp. pleaded guilty to participating in three separate conspiracies to fix the prices of TFT-LCD sold to Dell, Apple Computer Inc. and Motorola Inc. and was sentenced to pay a $120 million criminal fine. On Jan. 14, 2009, Chunghwa Picture Tubes Ltd. (Chunghwa) pleaded guilty to participating in the same worldwide conspiracy as LG, and was sentenced to pay a $65 million criminal fine.

Anyone with information concerning illegal conduct in the TFT-LCD industry is urged to call the San Francisco Field Office of the Antitrust Division at 415-436-6660.

The StarBoard Interactive LCD Displays offer the functionality of our large-format electronic whiteboard in a convenient interactive LCD panel. Connected to your PC and a projector, the Interactive LCD Display lets you run and annotate any computer software application without loosing eye contact with your audience. The panel image, which remains clearly visible even in darkened environments, can be projected up to any size which renders it ideal for lecture halls or large auditoriums.he StarBoard T-15XL provides a very attractive user paradigm. Presenters face their audiences or classrooms when using the display device with the image projected onto any size screen depending on the format of the meeting room or classroom. Unlike interactive whiteboards, the presenter is not blocking the audience"s view as they annotate images or run applications, and presenters do not need to stare into glaring LCD projectors or turn their backs to their audiences to markup and bring color and life to their material. The bright 15" display with XGA resolution provides a very clear image on which to work and provides pinpoint accuracy in running applications and adding comments and annotations to presentations.

Hitachi Interactive LCD Display features a thin screen that eliminates glare and parallax error, assuring effortless, accurate operation. Electromagnetic interactive technology delivers fast, responsive precision tracking. A wireless programmable grip stylus supports complete mouse emulation, with left and right clicks and single-click transitions between standard PC operations (mouse mode) and screen annotation (pen mode). The complete StarBoard software suite is included. The StarBoard T-15XL is the latest interactive system from Hitachi for annotating presentations and running computer based applications in meetings, classrooms, videoconferences, trade shows and symposiums. The StarBoard T-15XL is a pen-driven 15" TFT display that allows users to operate or annotate any software application running on a connected computer. The annotated images can be viewed on other displays connected to the computer including LCD projected images. Similarly the display can be viewed on any other StarBoard interactive display either in the same location, or connected through a LAN or WAN connection. The appeal of the StarBoard T-15XL is enhanced by the intuitive, easy-to-master StarBoard Software that allows anyone to be proficient in a matter of minutes. The pen-driven, icon oriented user interface allows users to move from running applications to annotating them with a single click operation.

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.

In-plane switching was developed by Hitachi Ltd. in 1996 to improve on the poor viewing angle and the poor color reproduction of TN panels at that time.

Initial iterations of IPS technology were characterised by slow response time and a low contrast ratio but later revisions have made marked improvements to these shortcomings. Because of its wide viewing angle and accurate color reproduction (with almost no off-angle color shift), IPS is widely employed in high-end monitors aimed at professional graphic artists, although with the recent fall in price it has been seen in the mainstream market as well. IPS technology was sold to Panasonic by Hitachi.

IPS has since been superseded by S-IPS (Super-IPS, Hitachi Ltd. in 1998), which has all the benefits of IPS technology with the addition of improved pixel refresh timing.

In 2004, Hydis Technologies Co., Ltd licensed its AFFS patent to Japan"s Hitachi Displays. Hitachi is using AFFS to manufacture high end panels in their product line. In 2006, Hydis also licensed its AFFS to Sanyo Epson Imaging Devices Corporation.

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.

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.

X Color LCD Display Price Price Trend for Color LCD Display ℹ BETA These are indicative values based on popular product prices.

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