[sdiy] Why are 7-segment LED displays oblique?

[Oren Leavitt]

On 4/7/18 10:00 AM, Vladimir Pantelic wrote:
> my guess is it's in order to have the digits closer together and still 
> fit the dot inbetween. think of the dot! :)

If you flip a subsequent digit unit upside down, it's dot will be above 
the dot of the previous digit. You a colon separator for a time display.
>
> On 07/04/18 16:25, Mattias Rickardsson wrote:
>> Hi,
>>
>> I was looking through the supplies of small 7-segment LED displays 
>> recently, and suddenly realised how the displayed digits are all 
>> slanted and how uncommon it is to have them upright. We occasionally 
>> see upright LED displays, but we're so used to slanted numbers that 
>> the upright ones almost feel like they are slanted backwards.
>>
>> What's the historic reason behind this in the optoelectronics 
>> industry? When did these displays first appear in mass-market 
>> products, were they popularized by some special kind of products or 
>> era that promoted this style?
>>
>> Why oblique, why not upright - or, for that matter, italic? ;-)
>>
>> /mr
>>
>>
>>
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