84" HD LCD Display with Touchscreen in High Quality form China Manufacturer

Ref Price:: $1.00 / pc

Loading Port:: Shanghai

Payment Terms:: L/C,T/T

Min Order Qty:: 1 Piece pc

Supply Capability:: 2000 Piece/Pieces per Month pc/month

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‍84" 4k LCD Display
1. 50,000 hours lifetime
2. HD signal compatible
3. 4k display with touchscreen

4k LCD display PARAMETE

Model	DC840D
Screen panel	LG
Sreen size	84”
product size	1979×1169×131mm
Viewing Area Size	1860.84x1046.52mm
Pixel Pitch	0.9405x0.9405
Resolution	3840X2160
Backlight	LED
Brightness	350cd/m2
Contrast Ratio	1400:01:00
Color Gamut	0.72
Color	10.6M
Viewing Angle	178°
Input	D-Sub 15-Pin*1
Input	HDMI1.34,HDMI1.41
Control	RS-232,RJ45
Aspect Ratio	16:09
Response Time(G-G)	8ms(G-G)
LC mode	IPS
display mode	NO Signal BLACK/BLUE
Mean Time Between Failures	Seven years above
(MTBF)	Seven years above
Power supply	AC 100~240V,50/60,Universal,±10%
Power Consumption (max)	412
Frame Color	Black
Frame Materials	Metal
Bezel	Vertical:59.58mm/Horizontal:57.83mm
Protective Glass / Touch screen	N/A N/A
Temperature	0°C~ 40°C
Humidity	20%~85%
Working Mode	24/7 continuous Operation
Net Weight	50Kg

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Q:I have tried everything I can think of including searching for a different driver, to no avail. I have tried different refresh rates, and messed with every single thing in the monitor menus to try to make it right. The Monitor supports up to 1024x768 at a refresh rate of 75Hz, but it is severely offset to the left. I am tired of feeling like I am visually impaired every time I use my computer.: You didn't say if you installed the drivers, or if Windows just picked it up and installed them itself. It's possible the proper drivers aren't installed for it. If you can't adjust the settings in the monitor panel to higher than 800x600, then that's the case. It can be HARD to find the drivers for obscure brands online, I do know that. If you bought it used, and never saw it working, then maybe the video board is bad in it, or the connections have loosened up inside. If it's the drivers, there's a CHANCE that it was sold under another brand name in which case those drivers will work. I've had to do that with a couple monitors for people. I found this online, if it's of any help: Founded in 1992, Coretronic was originally called CTX Opto and was the first company to offer LCD backlight and VGA modules in Taiwan. In 1993 and 1995, the company introduced a VGA analog input LCD Monitor and a VGA projector under 10 pounds. The year 1997 represented a milestone for Coretronic: the company's expertise and excellence in the LCD field helped it win the OEM business to manufacture LCD monitors for two global customers. Coretronic continued its ambitious expansion in the following years, moving into its current Hsinchu headquarters in 1998, becoming a public company on Taiwan's OTC market in 1999. In January 2000, the company's English name was changed to Optoma Corporation. Coretronic has successfully established its Mainland China facilities in 2000. The name of the company was further changed to Coretronic in December 2001 in order to be separated from the Optoma brand name and allow Coretronic to focus on the OEM manufacturing business. I hope this is of some help. Good luck! ;)

Q:I heard somewhere that LCD monitors were no good for gaming. I've also heard that they good if your response time is 4ms or less.: Yes there are both good and bad monitors for gaming. Some monitors wash out when the colors are too dark and others introduce screen tearing. When you find a monitor you like search for reviews on it and see what other people think about it. See what they have to say about dark colors and if it tears during gameplay. DVI has a much sharper image than VGA does and most modern graphics cards have DVI outputs on them.

Q:I have a VCR and it has a Cable receiver and i was wondering if i can watch it through there because it has the regular video output, S-video output, and the RGB video output? If not is there any other way that i can watch cable tv through my monitor?: confident you may. what you like is purely a television Tuner card interior the comp after so which you may use that as you television as nicely. and not purely that. it is going to likely be lot much less complicated to record the videos which you relatively choose

Q:I have a Powermac G4 and I have a 22 samsung LCD monitor I just bought and I was wondering if there's some kind of converter to make it work with my mac that has VGA only?: yes. There is a DVI to VGA converter. It's online at the apple store under cables. You should know that the VGA doesn't offer the best in terms of resolution. If you're sitting at a high resolution on your monitor, it might need to be sized down. However, if it's a new monitor, I would guess that if it doesn't have a DVI input that it has an HDMI input. If so, I would recommend getting a DVI to HDMI converter. You can get those at any local best buy or Target. it's converting one form of HD to another, so there isn't a big drop off in resolution.

Q:I have a fairly old Dell 15 and a new Samsung 19 currently connected to my computer. They both work fine together, as my Nvidia 6600 GT has dual output. Now, I want to add my 40 Haier TV (which has a VGA port) as a third screen. Normally, I wouldn't think this possible with one video card, but I have a splitter that converts my DVI port on my PC into a DVI and VGA port. With 2 VGA ports and one DVI port (this is after using the splitter, of course) is it possible to connect three monitors to one video card? I've already tried simply plugging in and restarting the computer, but that doesn't seem to work. Any help would be appreciated, thanks!: I don't think this is currently possible with Nvidia Geforce graphics cards.

Q:I recently bought a 19 Viewsonic LCD monitor. However it only has VGA input. So I was wondering if I can buy a HD set top box, then get a hdmi to vga adapter, so that I can connect it to the lcd monitor. Does anyone know if this is possible ?: It's possible, most definitely possible. But I wouldn't recommend it. Firstly, the LCD is VGA for a reason, it was intended as a Computer Display. Secondly, HDMI is designed for 480p-1080p resoloution, the first one may be your only option, and although it's good, I would recommend you buy an HD certified display unit to achieve the desired resoulution. The LCD Will display the HD, but probably not very well, as the monitor would cut off the extended resoulution (Kind of like watching a Full Frame movie on a Widescreen TV) It won't look right because you're forcing the hardware to do something it wasn't designed to do. worst case scenario, you won't get a picture at all, best case scenario, your plan will work. good luck!

Q:Are LCD monitors all HD capable?? Just wondering my bro says they are but I only think that if they say they are HD than they are.: um lies? my monitor is 22, and it is 1650x1050 res (not HD) and i can play all HD content, whether your LCD monitor can play HD or not is really dependent upon your cpu.if it is above 2ghz dual core i say hellz yea you can O i just blew your mind P lol.

Q:hi im planning to buy a lcd monitor most prebably a hp lg or some thing similar so here are the main things 1. it should be cheap around 150 dollars2.it should be of good quality3.if it has a dvi port that will be good !4.it should be new and not out of date5. sure it should be available in blackthanks for reading: Got it!!! You want Value for your money but surely you want Quality You have your target Price for the Monitor that is with Quality . Try to look for ViewSonic same Specs with the Branded Ones with reasonable Price But be wise enough to choose the right Model that has good resolution and Fast Response Time you could find 2Ms or 4Ms response Time is better to to prevent Ghosting and Blurr specially when you are into Gaming and Video A good Resolution for a 19 LCD Monitor are[1440x900] or [1280x1024] -------------------------------------- 20/21 or 22 the Best Resolution is[1680x1050] -------------------------------------- For:17 monitor the best Resolution would be [1440x900] and [1280x1024] -------------------------------------- Regarding LG brand they don't produced good quality in LCD Monitors Tho! But in CRT monitors they are one of the best in the Market. I hope I give a little INFO

Q:I just received a 22 monitor and it came with a DVI-D cable and a VGA cable. Originally I plugged in just the VGA but out of curiosity I checked my graphics card and it supports a DVI-D connection.So, I unplugged the VGA and plugged in the DVI-D cable.I'm not sure if there is supposed to be a difference visually.I also don't know if you are supposed to have both plugged in together or just the DVI-D by itself.Thanks in advance,Sean: above answers are correct.just keep in mind that you usually need to go with vga to get a display when you want to access the bios or run a boot other than direct into windows. you can just swap the cables if the situation presents itself

Q:I bought a new 22 inch LCD monitor (samsung 226bw) about a week ago but everytime I use it, it hurts my eyes because the refresh rate is too low.When I take a look at the refresh rate it's only at 60hz. I'm pretty sure this is why my eyes hurt. My question is why the max refresh is only 60hz for this brand new top of the line monitor? (or am I mistaken and it's possible to make the refresh higher somehow?)more info: running windows vista at the monitors native resolution ( 1680 x 1050 ). Have installed the latest monitor software/drivers and graphics drivers but the max vista shows the monitor can go up to is 60 hz. My old monitor was running at a refresh rate of 85 hz and I had no eye strain. any help is appreciated!: Here are several things you can do. First some explanations. LCD monitors can ONLY run at 60hz refresh rate. However, don't confuse 60hz on LCD with 85hz on a CRT. 60hz on an LCD is actually just as good as 100hz or better on a CRT. If you are having eye strain on an LCD monitor it is not the refresh rate but the brightness and contrast on the monitor. If you are having eye strain on a CRT monitor then it usually is the refresh rate. Also, with a larger monitor your eyes are not used to looking into such a large bright screen so close up for long periods. Turning down the brightness should help some. One more thing you can check if you are running Windows XP is make sure that ClearType is turned on. This was added in Windows XP to reduce eye strain for users of LCD monitors. To check to see if it is turned on do the following steps: 1. Right click on your desktop and click properties 2. Next click the appearance tab. 3. Next click the effects button 4. The second option on the effects screen will either be set to standard or cleartype. Use standard for CRT monitor and ClearType for LCD monitor. Good Luck

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