What is liquid crystal splicing?
Author:fataleye Time:2021-07-21 10:15 Browse(626)
1、 Introduction
1、 Introduction.
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What is liquid crystal splicing?

SLCD is the abbreviation of English spice liquid crystal display.
it is a special splicing LCD screen.
SLCD is a high-end derivative of LCD.
it adopts the world's most advanced industrial liquid crystal panel and the latest generation of wide gamut w-ccfl backlight with 97% color saturation. The brightness can reach 700cdgm2, the contrast is 3000:1, and the refresh frequency is 120Hz, The visual angle is up to 178 degrees, the complete package can resist the impact of falling below 1 meter, and the service life is up to 60000 hours.
SLCD is a complete splicing display unit.
it can be used as a separate display, and can be spliced into a large screen.
according to different use needs.
it can realize the functions of variable large screen: single screen split display, single screen separate display, single screen single display, single screen single display Any combination display, full screen splicing, vertical screen display, image frame can be compensated or shaded   It supports roaming, zooming and stretching of digital signals, cross screen display, setting and operation of various display plans, and real-time processing of Full HD signals.
it is different from traditional semi-finished LCD screens (such as did screens).
SLCD is a complete finished product without external power board, signal driver board, graphics processing board, etc., which can be hung and used immediately, and its installation is as simple as building blocks, The use and installation of single or splicing is very simple.
SLCD is a super narrow edge LCD splicing screen.
the edge is only 9mm wide, and the surface is also equipped with toughened glass protective layer, built-in intelligent temperature control alarm circuit and unique "fast dispersion" heat dissipation system.
its splicing special interface is very rich: analog AV, component, s terminal, VGA interface.
Digital DVI, HDMI, etc,All kinds of products, not only adapt to digital signal input, but also support analog signal very original.
SLCD series products adopt unique and the world's most cutting-edge digital processing technology.
let users really experience the full HD large screen effect.
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2. Features.
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1 Long service life.
low maintenance cost.
LCD is the display device with the longest service life.
its service life is very long, even the backlight part with the shortest service life can reach more than 50000 hours, and even if it is used for more than such a long time, it will only affect its brightness, and only need to replace the backlight tube, The life of LCD backlight is ten times longer than that of rear projection bulb, and its advantages and disadvantages are obvious.
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2. Large viewing angle.
for early LCD products,
viewing angle used to be a big problem restricting LCD, but with the continuous progress of liquid crystal technology, the development of liquid crystal technology has brought about a series of problems, At present, this problem has been completely solved.
the did LCD screen used in LCD splicing curtain wall.
its viewing angle can reach more than double 178 degrees, which has achieved the effect of absolute viewing angle.
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3. High resolution and bright picture.
the point distance of LCD is much smaller than that of plasma.
the physical resolution can easily reach and exceed the HD standard, Liquid crystal has high brightness and contrast, bright color, pure plane display, no curvature, stable image and no flicker.
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4. Ultra thin and light.
liquid crystal has the characteristics of thin thickness and light weight, which can be easily spliced and installed.
4The weight of 40 inch LCD is only 12.5kg, and the thickness is less than 10cm, which is incomparable with other display devices.
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5. Low power consumption.
low calorific value.
LCD device.
low power and low heat has always been praised.
the power of small LCD is not more than 35W.
the power of more than 40 inch LCD is only about 150W, Only about one third to one fourth of plasma.
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6. Long trouble free time.
low maintenance cost.
liquid crystal is the most stable and reliable display device at present.
due to the small heat output, the device is very stable, It will not cause failure due to excessive temperature rise of components.
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of course.
because the backlight of current liquid crystal products still uses cathode vacuum tube (CCFL), the filament and socket at both ends of the lamp limit the size of the liquid crystal panel, At present, the frame of did LCD still has a width of.
4mm-10mm.
therefore, the only disadvantage of LCD splicing curtain wall is slightly larger splicing seam. However, with the investment of LED backlight technology, this defect will be significantly improved.
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the economy of LCD splicing curtain wall.
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the economy of the system should be considered.
the cost performance should be considered, Only under the premise of high performance and high quality, the economy of the system is meaningful.
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currently, the splicing curtain wall of plasma panel (PDP) is on the market.
however, its price is relatively high, generally the price of one square meter is as high as more than 100000,Compared with LCD splicing curtain wall, it is more expensive, and because of its inherent defects, its cost performance is low.
although the price of DLP TV wall is relatively low.
but the annual replacement cost of light bulbs is as high as several thousand, each screen, a curtain wall can add up to tens of thousands, more than tens of thousands, a few years later, the cost is amazing.
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LCD splicing curtain wall.
with its excellent performance, The reasonable price has been widely welcomed at home and abroad.
it has a service life of 50000-80000 hours.
with stable quality and low maintenance cost, it is the most cost-effective curtain wall at present.
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the emergence of LCD splicing curtain wall.
solves various defects of traditional TV curtain wall, and provides convenient, comprehensive and real-time display of video information of various systems, especially remote real-time command, Dispatching and other engineering applications provide the best large screen display system.
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3. LCD splicing series.
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SLCD product series are rich and complete.
there are six splicing series and four in one super monitor, including 1000, 2000, 3000, 4000, 5000, 6000, etc.
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1, 1000 series: mainly for entertainment industry, enterprise display, enterprise display, enterprise display, etc It has single screen display (repeated display of one channel input signal) and m * n full screen display function.
it does not need the cooperation of matrix system.
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2. 2000 Series: it is mainly used in security industry, enterprise exhibition, conference room, command center, etc.
it has single screen display (m * N channel signal can be input.
it can not be displayed repeatedly) Any combination of display and m * n full screen display function.
the system has the following functions:Analog signal input (AV, VGA, etc.) needs matrix system.
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3, 3000 Series: mainly used for entertainment industry, enterprise exhibition, conference room, etc.
only 3 * 1 vertical screen.
with the trendy vertical screen 3 * 1 full screen display function.
does not need matrix system.
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4 4000 series: mainly used in security industry, enterprise exhibition, conference room, command center, etc.
it has "double splicing" function.
that is to say, each 40 inch LCD unit can realize M × In addition to the stitching of up to 255 primary cells, it can also achieve 2.5% in each 40 inch LCD × Each 40 inch LCD can be transformed into four 20 inch secondary units that can accept full HD input, and can participate in the splicing of primary units.
it has the functions of single screen display (m * n * 4 signals can be input.
it can not be displayed repeatedly), any combination display, m * n or m * n * 4 full screen display.
it has the functions of analog signal input (AV VGA, etc.) need matrix system.
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5, 5000 Series: mainly for entertainment industry, enterprise exhibition, conference room, security industry, etc.
with single screen display ((can input m * N signal.
can not repeat display), any combination of display M * n full screen display function.
built in digital matrix.
no need to use external matrix equipment.
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6, 6000 Series: mainly for entertainment industry, family, etc.
with single screen display (m * N channel signal can be input.
6, 6000 Series: mainly for entertainment industry, family, etc.)There is no need to use matrix system.
the biggest feature is the built-in full computer function.
the built-in advanced speaker, equipped with a number of professional wireless headphones, with wired network port, wireless WiFi, Bluetooth, USB, wireless Bluetooth mouse and keyboard, massive hard disk, can be on the Internet at any time, both entertainment and entertainment It can also work.
for example, it can be used in the entertainment industry.
with only 2 * 2 40 inch LCD splicing screen in a room, four 40 inch LCD screens can be realized by remote control to display MTV play (singing K), TV channel (watching news football, etc.), camera image (Hall performance), song menu, etc., and it can also be turned into 80 inch full screen full HD large screen to watch, Moreover, the wireless WiFi network can be realized without redecorating, and the enterprise advertisement and service information can be released directly from the management center at any time. Customers can also watch the news, watch football, play games, go to QQ, work, etc. on the Internet at any time when they need to, and live broadcast the current atmosphere to friends from other places through QQ video; If it is used in the family, three generations of a family can get what they want in the living room without going to their respective rooms: grandparents watching opera, Dad watching football, mom watching TV series, children searching for learning materials or playing games on the Internet or chatting with classmates on QQ. They do not interfere with each other (corresponding to the sound of their own pictures through wireless headphones), but they can increase the time for family gatherings, Adults can monitor children's online activities without sacrificing their own entertainment time, and the whole family can enjoy the 80 inch screen effect of Full HD movies.
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7. Four in one super monitor: 9mm ultra narrow edge design.
professional industrial design, which can be matched with various decoration environments.
this four in one super monitor.
4At the same time, it has four sets of complete physical interfaces, each of which includes one input interface for AV, VGA, S-Video, component, HDMI, etc. it can input four channels of Full HD 1920 * 1080p signals at the same time. It has the original dynamic super-resolution technology, which can enhance the standard definition low definition signal to high-definition display, and can display in 10, 20, 32, 40 inch size and 16:9 or 4:3 formats at the same time, which is both high-end and practical, It has high cost performance and brings great value-added for user's product demonstration and integration.
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it splits one-way video / VGA signal into 1x3 effect combination<
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· through remote control / software control.
two different display effects can be selected<
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· brightness of image parameters.
automatic adjustment of contrast, chroma and smoothness<
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· the output is displayed as XGA or SXGA.
directly drives the flat panel display device or projector<
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· three different edge processing technologies.
to achieve the best stitching effect according to different situations<
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· digital multi screen color balance is built in the processor.
through the digital three primary color adjustment circuit, the dispersion of three primary colors of each projection unit is effectively suppressed, and the red, green and blue primary colors are consistent, so the consistency of display colors of each splicing unit can be ensured, and there is no obvious color difference on the wall<
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features:
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reliability.
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pure hardware splicing processor.
is the only high-speed processor that can display VGA to uxga progressive ultra-high resolution pure hardware images in full screen dynamic real-time,It is very suitable for the occasions requiring long-term continuous and stable work. It can be powered on for 1 second and start quickly, Maintenance free.
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scalability.
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can access to display 24 channels of VGA to uxga and 96 channels of video at the same time.
select any one of them to enlarge to the full screen.
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simplicity.
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the processing process of the series of video splitters is completely hardware based.
no computer and startup software are required,
it's very simple.
connect the signal line and power supply to work.
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supports the input and output of HDTV.
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adopts modular design.
according to different requirements, Increase or decrease different function modules.
to meet your requirements with the optimal performance price ratio.
it can be configured to support 2-to-48 segmentation and other specifications according to the actual needs of users.
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a variety of display and window modes.
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Xunwei series products provide a variety of display modes.
it can realize window roaming, window overlay, zoom, painting tiling, Four, LCD splicing features:
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a splicer can only specify one window as CBD display area<
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set as the window of CBD area.
all windows of CBD input signal can be superimposed and displayed

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the display window of CBD signal area can be an independent display unit.
it can also be a complete display splicing wall or a partial splicing wall composed of some independent display units<
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the maximum number of CBD display windows.
depends on the number of hardware inputs of CBD input.
the standard configuration is to display 4 channels of VGA or video signals at the same time<
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CBD input signal.
can only move in the CBD window, not beyond the scope of CBD output window<
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CBD display area and other sub input channels can form more display modes<
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after cascading multiple iws-4p splicers, multiple CBD signal display windows can be set on the large splicing wall<
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use a separate computer with RS232 interface or network port to connect to the large screen image processor for window operation: perspective.
painting out of picture tiling, painting in picture, window superposition, window roaming, window perspective and zooming;
use a single computer with RS232 interface or network port to connect to the large screen image processor for window operation<
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the number of CBD input channels.
can be configured in advance, up to 12 channels<
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Third, distributed control technology.
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distributed signal control technology is one of the patented control technologies of IWS splicing processor.
each independent module is used in the splicer for parallel processing. Before the signal is input into the splicer, it needs to complete the signal scheduling and control through proprietary technology, To achieve the balance between the signal transmission of each channel and the hardware bandwidth
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for the signal entering the non-public area,
each window signal corresponds to an independent processing module and controls the display content of the corresponding display unit<
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the external matrix completes the signal allocation and scheduling switching; For unimportant signals.
input into CBD area.
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window operation.
according to different window display modes, the matrix completes the micro allocation of corresponding signals.
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in some special cases.
if more display bandwidth is needed, some display functions of the base map can be released to improve the bandwidth requirements.
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v What is the principle and function of LCD splicing curtain wall<
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LCD splicing is a specialized terminal display device specially designed for engineering applications.
it is based on FPGA array.
using parallel high-speed graphics processing technology, it realizes the unified processing of multi-channel high-speed video signals, and fundamentally replaces the plug-in splicing controller, It solves the problem that the number of VGA signal input is limited.
it integrates the most outstanding high-definition, high brightness and high gamut liquid crystal display technology, embedded hardware splicing technology, multi screen image processing technology, signal switching technology, etc.
to form a high brightness, high definition, low power consumption, high life, Advanced LCD splicing curtain wall display system.
LCD splicing curtain wall is a new large screen splicing mode.
it can be spliced infinitely.
flat panel splicing display technology will be the mainstream application technology of the next generation splicing display system.
LCD display technology has been developed for many years.
LCD splicing curtain wall is a new large screen splicing modeIt has played an important role in the field of flat panel splicing display.
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splicing curtain wall is ultra light, ultra-thin, long life, low maintenance cost, low power consumption, non radiation, high-definition.
it has outstanding advantages and attracts much attention.
LCD splicing curtain wall takes LCD as the basic display unit and integrates the latest LCD technology and pure hardware high-speed real-time splicing control technology, All the input signals can be freely displayed in the display wall window, and fully support the high-end display functions such as cross screen, roaming, picture in picture, overlay, zoom and so on.
the controller is customized for the display screen.
the controller is dedicated to the special machine, which can maximize the effect of the display unit.
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LCD splicing curtain wall.
the image is clear, the combination is flexible, and the display content is rich, LCD splicing wall is widely used in: video surveillance, telecommunications, public utilities, process processing, traffic control, security monitoring, national defense, stage entertainment, television studio, stock, large-scale exhibition, shopping mall, bank, office hall, company welcome screen, exclusive store
the practicability of LCD splicing curtain wall, LCD splicing curtain wall has a large combination space: it can use small screen splicing or large screen splicing; It can be one-to-one single screen splicing.
it can also be one-to-one M × N whole screen splicing; It can also be combined with large and small screens.
according to the system scale and application requirements of customers for LCD splicing curtain wall system.
according to the use environment of the system, select the appropriate products and splicing methods, design the specific implementation scheme to meet the application requirements of the system.
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different video processing systems can be selected according to the user's requirements for input signals.
according to the user's requirements for input signals,VGA, composite video, S-Video, YPbPr / YCbCr or DVI signal input can be realized to meet the needs of different signal input in different application occasions.
various signals can be switched, spliced into full screen display, arbitrary combination display, image stretching display, image roaming display, etc .
LCD mosaic curtain wall.
, such as image superimposed display, can create personalized system for different needs of customers, provide different implementation plans and technical support for the advanced nature of.
LCD mosaic curtain wall. According to the third quarterly quarterly report of Sano TV, 3 million 360 thousand domestic flat TV outlets in the first 3 quarters of.
2006 were shipped, 2 million 800 thousand of which were shipped on domestic LCD TV. A year-on-year increase of 209%; The domestic sales volume of plasma TV was 565000 units, a year-on-year increase of 28%.
compared with the domestic market.
in 2006, the export market of flat panel TV grew more rapidly.
according to the customs data.
in the first three quarters of 2006, the export volume of flat panel TV in China totaled about 9.82 million units.
among them, the export volume of LCD TV was 9.33 million units, a year-on-year increase of 103%; Plasma TV exported 490000 sets, with a year-on-year growth of 302%.
according to Sano monitoring data.
by September 2006, the sales share of plasma in the 40 inch and above (including 40 inch) flat panel TV market has been reduced to 27% by LCD TV. In 2007 and 2008, flat panel TV is further developing at full speed.
it can be seen that LCD has absolute advantages in the field of flat panel display, And from the previous small-size to large-size development, leading other planar display technology.
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LCD splicing curtain wall Reliability Monitor, splicing curtain wall generally requires 24 hours a day.
LCD splicing curtain wall Reliability Monitor, splicing curtain wall Reliability Monitor, splicing curtain wall Reliability Monitor, splicing curtain wall Reliability Monitor, splicing curtain wall Reliability Monitor, splicing curtain wall Reliability Monitor, splicing curtain wall Reliability Monitor, splicing curtain wall Reliability Monitor, splicing curtain wallIt works 365 days a year continuously, which requires the monitor and splicing curtain wall to have the characteristics of high reliability and stability, so as to ensure the stable and reliable operation of the system.
the system reliability mainly includes temperature rise, structure, interference, and the service life of the system itself.
the heating capacity of the system is large.
the service life of the system components will be greatly reduced, In addition,
the anti-interference ability of the system also directly affects the reliability of the system.
LCD splicing curtain wall adopts high reliability did LCD screen.
among them, 40 ″ weighs only 12.5kg, which is the lightest flat panel display device of the same size at present, with a power consumption of 150W. With such low energy consumption, its calorific value is also very small, so that it can stand in front of the splicing curtain wall, The unique display principle of liquid crystal, full digital drive system and the air eddy heat dissipation method designed by engineering fluid mechanics ensure the high reliability and stability of the curtain wall. Meanwhile, the all steel curtain wall frame and reasonable process design make the equipment stable and reliable without radiation and interference of external electromagnetic field Low heating, light weight, long service life.
non radiation and other characteristics make LCD splicing curtain wall highly reliable, which can normally work more than 50000 hours.
the economy of LCD splicing curtain wall should consider the economy of the system.
it should be considered from the cost performance, only under the premise of high performance and high quality, The economy of the system makes sense.
at present, the price of plasma panel (PDP) splicing curtain wall is higher, which is more expensive than that of LCD splicing curtain wall. Moreover, due to its inherent defects, the cost performance ratio is lower.
although the price of DLP TV wall is lower.
the price of DLP TV wall is lowerHowever, the annual cost of replacing light bulbs is as high as several thousand, each screen, and a curtain wall can add up to tens of thousands or even hundreds of thousands. In a few years, the cost is amazing.
LCD splicing curtain wall has been widely welcomed at home and abroad for its excellent performance and reasonable price.
it has a service life of 50000-80000 hours.
it has stable quality and low maintenance cost, It is the most cost-effective curtain wall.
did LCD splicing screen technology application.
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1. What is did<
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did is the abbreviation of digital information display.
it is a new generation of liquid crystal display technology launched by Samsung Electronics in 2006.
it is widely used in the security monitoring of all walks of life (hydropower production and dispatching, military command, urban management, mining safety, environmental monitoring, fire protection, meteorology, maritime affairs and other command systems).
(government, enterprise, video conference, financial securities, Airport, subway, shopping mall, hotel communication information, etc, As its unique display technology, it is different from ordinary liquid crystal display in improving the arrangement structure of liquid crystal molecules.
it can be placed horizontally and vertically on the ceiling.
high brightness.
high definition (1080p), ultra long life, Stable operation and low maintenance cost.
did LCD provides customers with an ultra-high resolution and large display area with the mode of single screen high resolution (1366x768, 1920x1080) and full screen (1366xmx768xn, 1920xmx1080xn).
did LCD provides customers with an ultra-high resolution and large display areaAt present, the main sizes of Samsung's did LCD screen are 32 ", 40", 46 ", 52", 57 ", 70", 82 ",.
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2. Characteristics of did LCD screen:
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high brightness   Compared with TV and PC LCDs,
did LCDs have higher brightness.
the brightness of TV or PC LCDs is generally only 250 ~ 300 CD / m2.
while the brightness of did LCDs can reach more than 700.
CD / m2.
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high contrast   The contrast ratio of did LCD is 1200:1.
even up to 10000:1, which is more than twice as high as that of traditional PC or TV LCD and three times as high as that of ordinary rear projection.
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better color saturation   At present, the color saturation of ordinary CRT is only about 50%.
while did LCD can achieve 80% - 92% high color saturation, which benefits from the color calibration technology specially developed for did products. Through this technology, in addition to the color calibration of still pictures, it can also calibrate the color of dynamic pictures, Only in this way can we ensure the accuracy and stability of the picture output.
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wider viewing angle   PVA (patterned vertical alignment) technology is called "image vertical adjustment technology"
with this technology, the visual angle can reach double 180 ° (
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has better reliability   The ordinary LCD screen is designed for TV.
PC display,It doesn't support continuous use day and night. The did LCD is designed for monitoring center and display center, and supports continuous use in 7x24 hours.
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plain display   LCD is the representative of flat panel display device.
it is a true flat panel display, which has no curvature, big picture, deformation and distortion.
LCD is a real flat panel display   Ultra thin narrow edge design   With its large display area, did products also have the advantages of thin thickness and light weight, which can be easily spliced and installed.
the special LCD screen for splicing can be easily spliced.
with its excellent narrow edge design, the edge of its single chip is even less than 1 cm, Such a small edge effect will not affect the overall display effect of the whole display.
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the brightness is uniform.
the image is stable and does not flicker   Because every point of LCD keeps that color and brightness after receiving the signal, unlike CRT, it needs to refresh pixel points continuously.
therefore.
LCD has uniform brightness, high image quality and absolutely no flicker.
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120 Hz frequency doubling refresh frequency   The 120Hz frequency doubling liquid crystal display technology of did products can effectively solve the problem of trailing and blurring in the process of rapid image movement, enhance the clarity and contrast of the image, make the picture clearer, and make the human eye not easy to fatigue when watching for a long time.
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longer service life   The service life of backlight for ordinary LCD screens used in Nb, PC and TV ranges from 10000 to 30000 hours.
however, the service life of backlight for did LCD screens can reach more than 50000 to 100000 hours, which ensures the consistency of brightness, contrast and chroma of each LCD screen used in splicing display after long-term use,And ensure that the service life of the display screen is not less than 50000 hours.
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3. The structure of the did liquid crystal display system is composed of three parts.
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the did liquid crystal display system is composed of three parts Multi screen splicing processor and signal source.
the multi screen splicing processor is the core of the key technology.
it supports the display of images with different pixels on the large screen display wall, as well as the arbitrary opening, zooming in and out, and cross screen roaming display on the large screen display wall.
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4. The application of did LCD splicing display system.
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the large screen splicing picture is grand It has a strong visual impact.
it has a good effect of display, demonstration, advertising and publicity.
it is easy to install, not limited by space, and widely used in power production dispatching control center.
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military command and control center.
urban management emergency command center, traffic management command center, industrial process control display system, Radio and television display and monitoring system, shopping malls, hotels, communication information display system,
financial securities information display system.
government and enterprise multimedia video conference display system,
mining safety production monitoring system.
urban environment monitoring command system, fire control, gas and maritime flood control command system, airport and subway flight display, luggage and safety monitoring system,
theater, media advertising, exhibition display system.
brand store image display system.
concert.
display equipment leasing...
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VI. solutions for LCD mosaic screen.
the paper introduces the design of LCD mosaic screen
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the first move: check whether the connection between the LCD splicing screen and the graphics card is loose.
the most common phenomenon is that poor contact will lead to "clutter" and "speckles" of the screen.
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the second move: check whether the graphics card is over frequency.
if the graphics card is over frequency used.
generally, there will be irregular In this case,
the overclocking range should be appropriately reduced.
attention.
first, the frequency of video memory should be reduced.
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the third move: check the quality of the video card.
if there is a splash screen problem after replacing the video card.
and after the first and second moves fail to work, Then check whether the anti ele
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