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Laptop style lcd mounting - is there any standard

Laptop style lcd mounting - is there any standard

Laptop style lcd mounting - is there any standard

Hi gang,

I'm working on the design of an electronic test and measurement instrument (oscilloscope) that has a large display on the front.  A flat panel LCD (like laptop) is the most likely candidate for the display, but every manufacturer seems to have a different mounting scheme and connector location.  Is there ANY standard or pseudo-standard for the mounting locations/positions for these things?  Do the laptop guys change the mounting every 3 months when the display that they designed for goes obsolete?

RE: Laptop style lcd mounting - is there any standard

I am no authority on the subject but my experience is YES! They change constantly.  The key is designing a system that allows the ultimate routing to be flexible.

Keith Cress
Flamin Systems, Inc.- http://www.flaminsystems.com

RE: Laptop style lcd mounting - is there any standard

Well, bear in mind that most laptops have only a brief lifetime to begin with, so it's unclear whether a supplier would be still manufacturing the same product long enough to be affected by a display change.

Additionally, a laptop supplier presumably has sufficient clout in volume to get what it wants anyway.


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RE: Laptop style lcd mounting - is there any standard

We're in the process of designing a new test instrument with a LCD display.  The LCD manufactures are all over the board when it comes to physical packaging.  We're considered a tiny end user compared to the typical laptop or instrument OEM.  I second Keith's response......allow for plenty of flexibility in your design and be prepared to change venders at least twice.

Sr. Mechanical Engineer
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(In reference to David Beckham) "He can't kick with his left foot, he can't tackle, he can't head the ball and he doesn't score many goals. Apart from that, he's all right."  -- George Best

RE: Laptop style lcd mounting - is there any standard

Is there a mil-spec panel?

What about the displays for industrial equipment?


RE: Laptop style lcd mounting - is there any standard

HDS...good point about the industrial displays.

I know Sharp and NEC supply panels for "long life" industrial products.  I'll check with them to see what they have to offer.

Tyler Cox
Applied Product Design, LLC
Westtown, NY 10998

RE: Laptop style lcd mounting - is there any standard

This thread raises an issue which has been a difficulty for us several times, namely how do the makers of smaller LC Displays, say 2.5" to 4 or 5" intend they be mounted in a (typically) portable housing.
There are the regular issues of shock, sealing and etc. but none of these LCD's have mounting holes - their typical applications are desperate not to use up package space.  That leaves some style of bonding likely with (a very thin) 2-sided foam gasket as the most viable alternative.
Unfortunately, many of the small volume users for whom we work are loathe to permanently bond as, they claim, they like to reuse the rest of the device in the event that a LCD should break.
We have variously tried small custom moulded rubber mounts or spacers, mounting it to pcb (where it takes up space) and anyway many LCD's have components on back anyway.
I guess my questions are first, what do the LCD mfr's expect us to do, and second if permanent bonding is not an option available to us, what have people tried and how happy were they with the results?

"You will master any feeling of inadequacy you may be having"
....from my fortune cookie @ the buffet!

RE: Laptop style lcd mounting - is there any standard

take apart some cell phones or digital cameras to get some ideas. They are almost always mounted to a back light that holds them to the electronics. There are several reasons but the biggest is so that the electronics and display can work without a housing.

RE: Laptop style lcd mounting - is there any standard

apdesign said it well.  In addition, they are called industrial displays.  You'll get a guarantee of availablity for many years and you may have a volume that gets some attention.  If you spec a consumer LCD, your going to have problems with obsolesence and will be redesigning mounting brackets, re-testing, etc.
Good luck.

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