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Different between LCD, DLP and ILA

Forum Home Theatre : HDTV - Different between LCD, DLP and ILA

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Archived from groups: alt.tv.tech.hdtv (More info?)

I am in the market for a big-screen HD Ready TV. The flat-panel LCD
and Plasmas are over my budget so I'm looking toward the
rear-projection LCD's, DLP's and the new ILA's. Does anyone have any
comments or suggestions regarding the three different types. They all
seem to be around the same price. Thanks in advance.

Will.

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Archived from groups: alt.tv.tech.hdtv (More info?)

"William Wei" <rugrad9093@aol.com> wrote in message
news:429c3e53.0410220946.3056f8e5@posting.google.com...
> I am in the market for a big-screen HD Ready TV. The flat-panel LCD
> and Plasmas are over my budget so I'm looking toward the
> rear-projection LCD's, DLP's and the new ILA's. Does anyone have any
> comments or suggestions regarding the three different types. They all
> seem to be around the same price. Thanks in advance.
>
> Will.

I can't guarantee the price on this new 3-panel rear projection HDTV is
going to be in your ballpark, but the picture these new sets produce is so
exceptional, you might just spring for one when you see it. It's by JVC and
it's called HD-ILA. I think it's related to LCOS in some way, but I
couldn't find this JVC product by googling for LCOS, so they must be pretty
careful not to use that term. The current product I saw is the HD52Z575
HD-ILA TV. It was the brightest, sharpest, most impressive screen on the
floor of Fry's Electronics HDTV section, compared to all other brands and
sizes. I see this 52" set at $2899 on-line at DTV City. If you can find one
on display, I think you'll agree it's terrific. I would imagine they're
working on larger screen versions.

Good Luck!

Chuck

Reply to Anonymous

Archived from groups: alt.tv.tech.hdtv (More info?)

All three are digital pixel based projection technologies.

RP LCD passes light through three LCD panels and combines that image into
the screen at front. This technology is prone to some convergence problems,
but the biggest problem is the lack of a dynamic image, and motion display
problems. The technology also suffers from dead pixels.

DLP is a bunch of small mirrors on a chip which rapidly change and the image
goes through a color wheel. Since the light is reflected, contrast is very
good and so is brightness. The problem is the rainbows as a result of the
use of a color wheel.

D-ILA is basically a reflective LCD, a proprietary version of LCOS. Since
it is reflected, the image has more contrast and brightness. There are no
rainbows, as there is no color wheel. I am unsure if the stuck/dead pixels
are also a problem with this technology.

Reply to Anonymous

Archived from groups: alt.tv.tech.hdtv (More info?)

"Rajendra Gondhalekar" <rajgon@comcast.net> wrote in message
news:WqCdnZGsM5KM3ObcRVn-tA@comcast.com...
> All three are digital pixel based projection technologies.
>
> RP LCD passes light through three LCD panels and combines that image into
> the screen at front. This technology is prone to some convergence
problems,
> but the biggest problem is the lack of a dynamic image, and motion display
> problems. The technology also suffers from dead pixels.
>
> DLP is a bunch of small mirrors on a chip which rapidly change and the
image
> goes through a color wheel. Since the light is reflected, contrast is
very
> good and so is brightness. The problem is the rainbows as a result of the
> use of a color wheel.
>
> D-ILA is basically a reflective LCD, a proprietary version of LCOS. Since
> it is reflected, the image has more contrast and brightness. There are no
> rainbows, as there is no color wheel. I am unsure if the stuck/dead
pixels
> are also a problem with this technology.
>
LCOS and D-ILA don't have the contrast and brightness (at this time) that
the HP DLP mirrors system does or LCD projection, at least as far as the
sets I have seen in stores.
>

Reply to Anonymous

Archived from groups: alt.tv.tech.hdtv (More info?)

"Jeff Rigby" <jffg2@comcast.net> wrote in message
news:hq-dnaLoDsZ5DebcRVn-qw@comcast.com...
>
> "Rajendra Gondhalekar" <rajgon@comcast.net> wrote in message
> news:WqCdnZGsM5KM3ObcRVn-tA@comcast.com...
>> All three are digital pixel based projection technologies.
>>
>> RP LCD passes light through three LCD panels and combines that image into
>> the screen at front. This technology is prone to some convergence
> problems,
>> but the biggest problem is the lack of a dynamic image, and motion
>> display
>> problems. The technology also suffers from dead pixels.
>>
>> DLP is a bunch of small mirrors on a chip which rapidly change and the
> image
>> goes through a color wheel. Since the light is reflected, contrast is
> very
>> good and so is brightness. The problem is the rainbows as a result of
>> the
>> use of a color wheel.
>>
>> D-ILA is basically a reflective LCD, a proprietary version of LCOS.
>> Since
>> it is reflected, the image has more contrast and brightness. There are
>> no
>> rainbows, as there is no color wheel. I am unsure if the stuck/dead
> pixels
>> are also a problem with this technology.
>>
> LCOS and D-ILA don't have the contrast and brightness (at this time) that
> the HP DLP mirrors system does or LCD projection, at least as far as the
> sets I have seen in stores.
>>
>
>
There are several good threads on D-ILA at the AVS forum website that you
should read if you are
considering this technology.

Reply to Anonymous

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