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    Default some questions about LCD monitors

    1.why can't LCD monitors display same resolutions same as CRT monitor?(hope i am not wrong)

    2.why do lcd monitors need big screen sizes to display higher resolutions?like 1920x1080 or 1920 x 1200?man 1920 X 1200 this resolution probably needs at least 26 inch size LCDs.don't know why LCD monitor have to be so huge to support the 1200(the second resolution )?

    hell i have probably seen some good quality 17 inch or 19 inch CRT monitor supporting higher resolutions like 1600 x 1200 or maybe even higher resolution many years ago.so when will LCD monitors catch up with CRT monitors in the field of supporting higher resolutions?

    3.when i play games or watch movies if i move more than certain degrees left or right from the LCD monitor pictures/color gets all dark or discolored and it just become unwatchable.why does this happen?i didn't face this kind of problem with my CRT monitor.maybe it's just another shortcoming of LCD monitor compared to CRT monitor?can new technology will be able to overcome this shortcoming of LCD monitors in future?

    4.sometimes when i read text on my lcd monitors it looks the text are kind of broken as if some part of texts are missing.this doesn't happen always but randomly it happens like 1 or 2 times a month.any connection with LCD monitor?

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    Default Re: some questions about LCD monitors

    Quote Originally Posted by kung fu panda_4444 View Post
    1.why can't LCD monitors display same resolutions same as CRT monitor?(hope i am not wrong)

    2.why do lcd monitors need big screen sizes to display higher resolutions?like 1920x1080 or 1920 x 1200?man 1920 X 1200 this resolution probably needs at least 26 inch size LCDs.don't know why LCD monitor have to be so huge to support the 1200(the second resolution )?

    hell i have probably seen some good quality 17 inch or 19 inch CRT monitor supporting higher resolutions like 1600 x 1200 or maybe even higher resolution many years ago.so when will LCD monitors catch up with CRT monitors in the field of supporting higher resolutions?

    3.when i play games or watch movies if i move more than certain degrees left or right from the LCD monitor pictures/color gets all dark or discolored and it just become unwatchable.why does this happen?i didn't face this kind of problem with my CRT monitor.maybe it's just another shortcoming of LCD monitor compared to CRT monitor?can new technology will be able to overcome this shortcoming of LCD monitors in future?

    4.sometimes when i read text on my lcd monitors it looks the text are kind of broken as if some part of texts are missing.this doesn't happen always but randomly it happens like 1 or 2 times a month.any connection with LCD monitor?
    No 1 & 2: Probably for pixel pitch or panel's limitation. Suppose, you are running a 20 inch LCD @ 1680*1050 and another 22inch at the same res. This case, text on 22inch will appear bigger than 20inch because of pixel pitch. Actually, i dont want to run a 17inch monitor @ 2560*1600 (!). There must be some technical thing that i dont know. As you said, my last 14" CRT could handle 1600*1200 (max res of that pc's gpu).

    No 3: Every LCD monitor have certain viewing angle such as 160/160 degree. Chk your monitors spec. Modern monitor (specially IPS panel) offers more viewing angle. So, we can hope future monitor will overcome this.

    no 4: It will happen if your LCD is not running at native res and for inappropriate driver. HP has some thing called PIXEL POLICY. if you are using HP monitor you should chk that.

    Note, i dont know them accurately! I am also looking for others reply.

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    Default Re: some questions about LCD monitors

    Joker vai answered your questions mostly.

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    Default Re: some questions about LCD monitors

    >2.why do lcd monitors need big screen sizes to display higher resolutions?like 1920x1080 or 1920 x 1200?man 1920 X 1200 this resolution probably needs at least 26 inch size LCDs.don't know why LCD monitor have to be so huge to support the 1200(the second resolution )?
    It doesn't, there are 19" monitors capable of doing 1920x1080, more costly, but yes, it is possible.

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    Default Re: some questions about LCD monitors

    @SnaKeEye thanks for your reply buddy. + repu for you buddy.

    and about that 1600x1200 resolution.for some reason LCD monitor's don't support that resolution too.i used to play games on CRT monitor and now i use LCD but i very much like the resolutions my CRT monitor used to support.(if am not wrong)

    Quote Originally Posted by Wintereise View Post
    >2.why do lcd monitors need big screen sizes to display higher resolutions?like 1920x1080 or 1920 x 1200?man 1920 X 1200 this resolution probably needs at least 26 inch size LCDs.don't know why LCD monitor have to be so huge to support the 1200(the second resolution )?
    It doesn't, there are 19" monitors capable of doing 1920x1080, more costly, but yes, it is possible.
    thanks for your reply too m8.really 19" Lcds support 1920x1080 resolution!nice

    ---------- Post added at 20:17 ---------- Previous post was at 20:02 ----------

    more answers are welcome too.as the best answerer so far also pointed he is also looking for answers for the questions i asked.

    hoping some inputs from Mazhar and Murad bro.

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    Lightbulb Re: some questions about LCD monitors

    Quote Originally Posted by kung fu panda_4444 View Post
    @SnaKeEye thanks for your reply buddy. + repu for you buddy.

    and about that 1600x1200 resolution.for some reason LCD monitor's don't support that resolution too.i used to play games on CRT monitor and now i use LCD but i very much like the resolutions my CRT monitor used to support.(if am not wrong)



    thanks for your reply too m8.really 19" Lcds support 1920x1080 resolution!nice

    ---------- Post added at 20:17 ---------- Previous post was at 20:02 ----------

    more answers are welcome too.as the best answerer so far also pointed he is also looking for answers for the questions i asked.

    hoping some inputs from Mazhar and Murad bro.

    Answer to no 1

    http://en.wikipedia.org/wiki/Native_resolution

    You can read this.

    The native resolution of a LCD, LCoS or other flat panel display refers to its single fixed resolution. As an LCD display consists of a fixed raster, it cannot change resolution to match the signal being displayed as a CRT monitor can, meaning that optimal display quality can be reached only when the signal input matches the native resolution. An image where the number of pixels is same as in the image source and where the pixels are perfectly aligned to the pixels in the source is said to be pixel perfect. [1]

    While CRT monitors can usually display images at various resolutions, an LCD monitor has to rely on interpolation (scaling of the image), which causes a loss of image quality. An LCD has to scale up a smaller image to fit into the area of the native resolution. This is the same principle as taking a smaller image in an image editing program and enlarging it; the smaller image loses its sharpness when it is expanded. This is especially problematic as most resolutions are in a 4:3 aspect ratio (640×480, 800×600, 1024×768, 1280×960, 1600×1200) but there are odd resolutions that are not, notably 1280×1024. If a user were to map 1024×768 to a 1280×1024 screen there would be distortion as well as some image errors, as there is not a one-to-one mapping with regard to pixels. This results in noticeable quality loss and the image is much less sharp.
    Answer to Number 2

    You can only notice difference in resolution with large screens. Think of iPhone or mobile phones. It will actually be a problem to implement resolution such as 1024x768 in such a small screen (which is i guess the resolution of ipad due to much larger screen)

    Crt supports all kind of resolutions from a certain aspect ratio i guess. It has many native resolutions unlike LCD panels.

    Regarding that u do not get 1600x1200 at lcd, i guess it is bcoz it requires a large square monitor panel and which i guess dont have any market demand. Most market demand is now in widescreens rather than square panels.

    Answer to Number 3

    Viewing angle is also a disadvantage to LCD panels like native resolution issue. Modern panels have solved the panels. Generally IPS has better viewing angles than TN panels. LED backlit panels also have high viewing angles. It actually depends on how much u spend actually and what model of monitor or TV u buy.

    Answer to number 4

    Maybe it is a problem with ur native resolution setting. But since it occurs rarely, i guess sth is wrong wid ur monitor or connection to pc or power.
    Last edited by [email protected]; June 7th, 2010 at 22:00.

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    Default Re: some questions about LCD monitors

    Quote Originally Posted by kung fu panda_4444 View Post
    1.why can't LCD monitors display same resolutions same as CRT monitor?(hope i am not wrong)

    2.why do lcd monitors need big screen sizes to display higher resolutions?like 1920x1080 or 1920 x 1200?man 1920 X 1200 this resolution probably needs at least 26 inch size LCDs.don't know why LCD monitor have to be so huge to support the 1200(the second resolution )?

    hell i have probably seen some good quality 17 inch or 19 inch CRT monitor supporting higher resolutions like 1600 x 1200 or maybe even higher resolution many years ago.so when will LCD monitors catch up with CRT monitors in the field of supporting higher resolutions?

    3.when i play games or watch movies if i move more than certain degrees left or right from the LCD monitor pictures/color gets all dark or discolored and it just become unwatchable.why does this happen?i didn't face this kind of problem with my CRT monitor.maybe it's just another shortcoming of LCD monitor compared to CRT monitor?can new technology will be able to overcome this shortcoming of LCD monitors in future?

    4.sometimes when i read text on my lcd monitors it looks the text are kind of broken as if some part of texts are missing.this doesn't happen always but randomly it happens like 1 or 2 times a month.any connection with LCD monitor?
    First, understand that when you say 1600x1200, or 1920x1200, the first (1600, 1920) is the horizontal resolution, and the second (1200) is the vertical resolution. Hence as the image becomes wider, the first one becomes larger and larger, as in the LCD.

    1) Yes they can, but due to the different aspect ratio (4:3 for CRT, 16:9/10 for LCD) windows does not allow the CRT resolutions (1280x1024, 1600x1200 etc) for LCD's since they will cause blank black bars on the left and right of the screen. This is because the 4:3 aspect ratio is less wide, but more tall. Alternatively, if the LCD wishes to stretch the image, it will take the narrow, less wide image and stretch it on its sides. Of course, the result would be the image being too fat. Best way to see this is to run older games (ie warcraft) at CRT resolutions on a LCD. The image would be overly stretched on its sides compared to a CRT

    2) CRT monitors usually had their recommended resolution below their maximum resolution. My old 17" NEC could display 1600x1200, but its recommended resolution was 1280x1024. Reason is that text becomes too small at 1600x1200 on the 17" display, and also CRT monitors technically had to lower their refresh rates the higher the resolutions were, and at the recommended resolution the refresh rate had to be at least 70hz (note that this 70hz is completely different from the LCD's refresh rate). However, the CRT's could display most of the resolutions reasonably sharply, since there was no stretching or shrinking of the image, it simply output the required resolution through the picture tube.

    LCD on the other hand have their maximum resolution as its native resolution, and as you know LCD's should be run at their native resolution, otherwise they will stretch the image which will cause the image to be slightly blurry. Now if you want 1920x1200 maximum resolution on a 17" LCD, that will be its native resolution, and then comes the problem. You cant read anything because it will be way too small. Hence a 24" monitor would support 1920x1200, and 30" monitors would support 2560x1600.

    3) That is only applicable for TN panel LCD's. IPS and PVA panels have a much wider viewing angle without a loss in colour, similar to CRT's in fact.

    4) This is either due to you not running the LCD at its native resolution, or a inferior LCD. The first few generation of LCD's had this problem, but newer LCD panels dont have this problem. Try running Windows Cleartype Text.

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    Default Re: some questions about LCD monitors

    Quote Originally Posted by Mazhar View Post
    First, understand that when you say 1600x1200, or 1920x1200, the first (1600, 1920) is the horizontal resolution, and the second (1200) is the vertical resolution. Hence as the image becomes wider, the first one becomes larger and larger, as in the LCD.

    1) Yes they can, but due to the different aspect ratio (4:3 for CRT, 16:9/10 for LCD) windows does not allow the CRT resolutions (1280x1024, 1600x1200 etc) for LCD's since they will cause blank black bars on the left and right of the screen. This is because the 4:3 aspect ratio is less wide, but more tall. Alternatively, if the LCD wishes to stretch the image, it will take the narrow, less wide image and stretch it on its sides. Of course, the result would be the image being too fat. Best way to see this is to run older games (ie warcraft) at CRT resolutions on a LCD. The image would be overly stretched on its sides compared to a CRT

    2) CRT monitors usually had their recommended resolution below their maximum resolution. My old 17" NEC could display 1600x1200, but its recommended resolution was 1280x1024. Reason is that text becomes too small at 1600x1200 on the 17" display, and also CRT monitors technically had to lower their refresh rates the higher the resolutions were, and at the recommended resolution the refresh rate had to be at least 70hz (note that this 70hz is completely different from the LCD's refresh rate). However, the CRT's could display most of the resolutions reasonably sharply, since there was no stretching or shrinking of the image, it simply output the required resolution through the picture tube.

    LCD on the other hand have their maximum resolution as its native resolution, and as you know LCD's should be run at their native resolution, otherwise they will stretch the image which will cause the image to be slightly blurry. Now if you want 1920x1200 maximum resolution on a 17" LCD, that will be its native resolution, and then comes the problem. You cant read anything because it will be way too small. Hence a 24" monitor would support 1920x1200, and 30" monitors would support 2560x1600.

    3) That is only applicable for TN panel LCD's. IPS and PVA panels have a much wider viewing angle without a loss in colour, similar to CRT's in fact.

    4) This is either due to you not running the LCD at its native resolution, or a inferior LCD. The first few generation of LCD's had this problem, but newer LCD panels dont have this problem. Try running Windows Cleartype Text.
    now that's the answer i was looking for.thanks and + repu.

    one last noob question, why "aspect ratio" for LCD monitors is/have to be different from CRT monitors?is it because they are wide screen? "aspect ratio" eta ki LCD monitor e different hotey hobe naki eta just ekta technical standard for LCDs?ar ei "aspect ratio" ta determined hoy by kon factor?ami to square size er LCD monitor o dekhsi ogula ki CRT monitor er moto same "aspect ratio" ar same resolution support kore?

    ---------- Post added at 06:37 ---------- Previous post was at 06:34 ----------

    Quote Originally Posted by [email protected] View Post
    Answer to no 1

    http://en.wikipedia.org/wiki/Native_resolution

    You can read this.



    Answer to Number 2

    You can only notice difference in resolution with large screens. Think of iPhone or mobile phones. It will actually be a problem to implement resolution such as 1024x768 in such a small screen (which is i guess the resolution of ipad due to much larger screen)

    Crt supports all kind of resolutions from a certain aspect ratio i guess. It has many native resolutions unlike LCD panels.

    Regarding that u do not get 1600x1200 at lcd, i guess it is bcoz it requires a large square monitor panel and which i guess dont have any market demand. Most market demand is now in widescreens rather than square panels.

    Answer to Number 3

    Viewing angle is also a disadvantage to LCD panels like native resolution issue. Modern panels have solved the panels. Generally IPS has better viewing angles than TN panels. LED backlit panels also have high viewing angles. It actually depends on how much u spend actually and what model of monitor or TV u buy.

    Answer to number 4

    Maybe it is a problem with ur native resolution setting. But since it occurs rarely, i guess sth is wrong wid ur monitor or connection to pc or power.
    thanks for your reply too m8. + rep for you too.

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    Default Re: some questions about LCD monitors

    Quote Originally Posted by kung fu panda_4444 View Post
    one last noob question, why "aspect ratio" for LCD monitors is/have to be different from CRT monitors?is it because they are wide screen? "aspect ratio" eta ki LCD monitor e different hotey hobe naki eta just ekta technical standard for LCDs?ar ei "aspect ratio" ta determined hoy by kon factor?ami to square size er LCD monitor o dekhsi ogula ki CRT monitor er moto same "aspect ratio" ar same resolution support kore?[COLOR="Silver"]
    Aspect ratio is not a LCD/CRT term, its a general term. An aspect ratio of 2:1 means its two units (say, inches) horizontal (wide) and 1 inch vertical (tall). Similarly 16:9 means 16 units horizontal and 9 units vertical.

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    Default Re: some questions about LCD monitors

    Quote Originally Posted by Mazhar View Post
    Aspect ratio is not a LCD/CRT term, its a general term. An aspect ratio of 2:1 means its two units (say, inches) horizontal (wide) and 1 inch vertical (tall). Similarly 16:9 means 16 units horizontal and 9 units vertical.
    thank you very much for this easy explanation.khub sohoje "Aspect ratio" bishoy ta buje gelam tomar reply er karone bro.

    repu dite chaisilam but parlam na ei karone-

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