From: Spehro Pefhany <speff@interlog.com>
To: Microcontroller discussion list - Public. <piclist@mit.edu>
Sender: "piclist-bounces@mit.edu" <piclist-bounces@mit.edu>
Date: Sun, 17 Oct 2021 21:49:39 -0700
Subject: Re: [EE] Microdisplays?
Thread-Topic: [EE] Microdisplays?
Thread-Index: AdfD3aq3Gf5fxBmbTYKvaNvGlu9R0g==
Message-ID: <7.0.0.16.2.20211018003657.087becf0@interlog.com>
References: <9572b25988bd1a9223272045a55678c3.squirrel@hallikainen.org>
In-Reply-To: <9572b25988bd1a9223272045a55678c3.squirrel@hallikainen.org>
Reply-To: Microcontroller discussion list - Public. <piclist@mit.edu>
Accept-Language: en-US
X-MS-Exchange-Organization-SenderIdResult: TempError
X-MS-Exchange-Organization-PRD: mit.edu
X-MS-TNEF-Correlator:
received-spf: Pass (protection.outlook.com: domain of interlog.com
 designates	208.85.220.69 as permitted sender)
	receiver=protection.outlook.com; 	client-ip=208.85.220.69;
 helo=mail-1.ca.inter.net;
dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
	d=mitprod.onmicrosoft.com; s=selector2-mitprod-onmicrosoft-com;
	h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck;
	bh=H+mZ+russFH+ThskIuqDOF2nmXRpluXh/NkanBzpEZM=;
	b=NE4DnylUOMzSLR/4mNXCLbcV6o8WqH2rHh77WDLMFuvY0RF8qY2Qs0igoPPgdE8CWTsFcfCUw7NTOP+ZGYYV6tcgtvUkDPBKINy5k2TLw/6ukPVQPuqrG+aC5RCtkm6SNpfw70TatbMHR7pgXUloswNnx4GXJOKvD9WRmsc3/bE=
authentication-results: spf=pass (sender IP is 208.85.220.69)
	smtp.mailfrom=interlog.com; mit.edu; dkim=none (message not signed)
	header.d=none;mit.edu; dmarc=bestguesspass action=none
	header.from=interlog.com;
errors-to: piclist-bounces@mit.edu
list-id: "Microcontroller discussion list - Public." <piclist.mit.edu>
list-post: <mailto:piclist@mit.edu>
x-beenthere: piclist@mit.edu
x-mailman-version: 2.1.6
x-topics: [EE]
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0

At 04:24 PM 15-10-2021, you wrote:
>Years ago, I designed a product with a microdisplay (about 1/4 inch
>diagonal). Originally it was designed with a display from MicroEmmissive
>Devices, but they went bankrupt. Then changed to a backlit LCD from Kopin.
>That is now EOL. So, what microdisplays are available? The MED one was
>nice in that it had a standard SPI interface and a driver. I just told it
>which pixels to light and it took care of it. No refresh needed. The Kopin
>display requires continuous video (and pretty complex with phase inversion
>on every line and every frame). I did this with the SPI interface on a
>PIC. The image bitmap was put in RAM and an SPI interrupt picked up the
>next 8 pixels to send.
>
>So, I'd really like to find an OLED microdisplay with an SPI interface.
>
>Ideas?
>
>Thanks!
>
>Harold

Hi, Harold:-

There are inexpensive 0.42" monochrome OLED displays designed for=20
wearables, but they're only
72x40 resolution.

Microtips has a 0.39" OLED with MIPI interface, colour 1920 x=20
1080  but that's probably too much
everything for you.
https://simplespec.microtipsusa.com/uploads/spec/datasheetFile/2414/MTD0039=
ADOF_V1.0_20200727.pdf

I also see 0.39" 1024 x 768 from other suppliers, based I think, on=20
packaging a Sony display.
The 0.39" types seem to be aimed at eyepieces/viewfinders and helmet displa=
ys.

Best regards,
Spehro Pefhany


--=20
http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist
.