EXHIBIT 2156
`
`EXHIBIT 2156EXHIBIT 2156
`
`
`
`

`
`RE: Lenses for prototype
`
`From:
`Ying-Moh Liu <yml7245@yahoo.com>
`To:
`Lenny Lipton <llipton@reald.com>, Jerry Carollo <jcarollo@creativedis.com>, Matt Cowan
`<mcowan@reald.com>, Joshua Greer <jgreer@reald.com>, Michael Porter <mporter@reald.com>
`Cc:
`Michael Hoppe <mhoppe@creativedis.com>, Mahir Abrahim <mabrahim@creativedis.com>, Bill
`Maffucci <bmaffucci@creativedis.com>, David Lynch <dlynch@creativedis.com>, Ying-Moh Liu
`<yml7245@yahoo.com>
`Date:
`Thu, 05 Oct 2006 08:57:19 -0700
`
`Hi, Josh and Lenny:
`
`It has become clear that we need all the push possible to get Colorlink to prioritize the half-wave plate
`(HWP) for our project. As such, we are interested in knowing if you have had a chance to talk to
`Colorlink. I am about to talk to them as well, but will wait until I hear from you so we are in sync
`first. You may call me @ (949)241-4799 and look forward to hearing from you.
`
`
`Ying-Moh
`
`Lenny Lipton <llipton@reald.com> wrote:
`Jerry,
`
`
`Josh said that he would deal directly with ColorLink.
`
`
`Mike Porter is the purchasing agent and he should be able to
`supply tracking numbers.
`
`
`From: Jerry Carollo [mailto:JCarollo@creativedis.com]
`Sent: Tuesday, October 03, 2006 8:17 AM
`To: Matt Cowan; Lenny Lipton
`Cc: Michael Hoppe; Mahir Abrahim; Bill Maffucci; David Lynch; Ying-Moh Liu
`Subject: RE: Lenses for prototype
`
`
`
`Matt:
`
`We have not received the lenses yesterday they should be here today. If you have a
`tracking number we can follow it through the system.
`
`The long lead item on the schedule is going to be the Color Link ½ wave plate. I
`understand you have some pull with them. If you want we can send you the quote from
`them and you or someone else from RealD can help us expedite the order.
`
` will have a better idea what the schedule is one we hear back from the suppliers all
`of the drawings will be out this week for quote and delivery. We did have an internal
`design review and made a few minor changes from the configuration presented at the
`Final Design Review.
`
` I
`
`REALD INC.
`Exhibit 2156-1
`MASTERIMAGE 3D, et al. v REALD INC.
`IPR2015-00035
`
`

`
` I
`
` will get you the schedule by the end of the week.
`
`Jerry
`
`
`
`
`From: Matt Cowan [mailto:mcowan@reald.com]
`Sent: Friday, September 29, 2006 2:22 PM
`To: Ying-Moh Liu; Lenny Lipton; Jerry Carollo
`Cc: Michael Hoppe; Mahir Abrahim; Bill Maffucci
`Subject: RE: Lenses for prototype
`
`The lenses are being shipped today for delivery on Monday. (If I don't hear, I'll assume
`they have arrived.)
`
`
`Jerry - could you give us a couple of dates for our overall schedule?
`- prototype assembled (pre testing)
`-CDS internal testing completed - ready for projector testing
`
`It would also be useful to have an indication of what you expect in terms of "on projector"
`testing from your point of view.
`
`
`Thanks,
`
`
`Matt.
`
`
`
`
`From: Ying-Moh Liu [mailto:yml7245@yahoo.com]
`Sent: Friday, September 29, 2006 4:13 PM
`To: Matt Cowan; Lenny Lipton; Jerry Carollo
`Cc: Michael Hoppe; Mahir Abrahim; Bill Maffucci
`Subject: RE: Lenses for prototype
`
`Matt:
`
`
`Thank you for the call to clarify some of my questions and your description of
`the lens zoom movement is also clear. It's very much appreciated.
`
`
`Any idea what the status is for those lenses to ship to CDS?
`
`
`Ying-Moh
`
`Matt Cowan <mcowan@reald.com> wrote:
`Ying-moh:
`
`I think our communications are lining up.
`
`
`Clarity - Christie projector
`Lens in the Clarity appears to be 1.8 to 2.4 (50.7 - 67.8 mm)
`
`
`REALD INC.
`Exhibit 2156-2
`MASTERIMAGE 3D, et al. v REALD INC.
`IPR2015-00035
`
`

`
`To clarify the lens movement issues - Biggest picture (=widest projection angle)
`with the lens elements extended as far as possible out of the projector.
`
`
`Movement from over zoom range covers about 41mm. At its furthest extension
`it is about 2mm behind the outside ring on the lens
`
`
`Barco projector
`The lens on the Barco is 40.7 - 50.9 mm. the lens element movement is about
`40mm, with it being 1mm behind the outside ring on the lens in its extended
`position. (this was tested without turning on the lamp so it is not known
`whether the lens follows the same behavior as the Christie lens - it is assumed
`that it does - and will be tested later.)
`
`
`Note that Minolta makes almost all the lenses for the DLP cinema projectors for
`all manufacturers, so lens behavior among different projector brands will be
`consistent.
`
`
`Matt.
`
`
`From: Ying-Moh Liu [mailto:yml7245@yahoo.com]
`Sent: Thursday, September 28, 2006 7:33 PM
`To: Lenny Lipton; Matt Cowan; Jerry Carollo
`Cc: Michael Hoppe; Mahir Abrahim; Bill Maffucci
`Subject: RE: Lenses for prototype
`
`
`
`Lenny and Matt:
`
`
`While I digest Matt's input, could you provide the exact screen width and
`throw distance in Clarity theater when using 1628 pixels or 2048
`pixels? Also, could you determine if the diagram I attached in my last e-
`mail and attached here again is correct? Thank you.
`
`
`One point to clarify now is, based on Matt's comments, is TR of
`1.45 meant for full size DMD?
`
`
`Ying-Moh
`
`Lenny Lipton <llipton@reald.com> wrote:
`Barco lens same speed and 40.7 to 50.6 mm.
`
`
`
`
`From: Matt Cowan
`Sent: Thursday, September 28, 2006 3:54 PM
`To: Ying-Moh Liu; Lenny Lipton; Jerry Carollo
`Cc: Michael Hoppe; Mahir Abrahim; Bill Maffucci
`Subject: RE: Lenses for prototype
`Ying-moh:
`
`
`REALD INC.
`Exhibit 2156-3
`MASTERIMAGE 3D, et al. v REALD INC.
`IPR2015-00035
`
`

`
`1. We need a system that will work for both situations. What are the
`implications of different projection distances and different angles? The
`Clarity is approximately 52' throw and 26' screen width. Lenny can
`probably dig up exact numbers.
`
`
`2. The throw ratios are complicated by using less pixels of the DMD.
`
` if the throw ratio is 1.45:1 using 2048 pixels of the DMD, then
`using 1628 pixels, the ratio of screen width (usable) to
`distance becomes 1.82:1 Our image is narrower that the
`maximum that the lens can handle, but our object (DMD
`pixels) are also narrower. You are right that the full width
`DMD angle at 1.45 is 38 degrees - clearly beyond our design
`target. But using only 1628 pixels, the angle becomes 30.6
`degrees (slightly over design). In the El Cap theatre the lens
`setting will be slightly narrower than 1.45 (1.47 I think) which
`brings the angle below 30 degrees (by a tiny amount.)
` I don't have the Clarity lens at my finger tips, but the labeled
`focal range should be something like 40.6mm and 50.4mm -
`Lenny can you look at your notes on this?
`
`Maybe I'm not being clear - and we should discuss this on the
`telephone?
`
`
`3. We would like to design for both flat and scope modes. My
`suggestion would be to design for 30 degrees in Flat mode and all
`situations will be covered.
`
` some theatres are "common height" meaning that the side
`curtains go out for scope and come in for flat, keeping the
`same height for flat and scope.
` some theatres are "common width", meaning that the top curtain
`goes up for flat, keeping the same horizontal width for flat and
`scope.
`
`4. Lenny can you look at the Barco lens and figure out dimensions?
`
`I am hoping that our primary design constraint is the 30 degree
`horizontal angle and we can accommodate Clarity and El Cap
`(different focus positions and zoom lengths) by putting shims on the
`mounting platform (of something like that). As I see it, we will have
`several different lens settings we need to accommodate, which will
`drive the Z location of the apparatus (distance from the front of the
`projector). Flat and scope each for El Cap and Clarity. I hope the
`different throw distances (52' and 71') between the two situations can
`be tuned by mirror pointing and any difference required in radius of the
`mirror can be dialed in.
`
`If the project just got more complicated, then lets have a discussion
`tomorrow in case I'm missing something.
`
`
`Matt.
`
`
`REALD INC.
`Exhibit 2156-4
`MASTERIMAGE 3D, et al. v REALD INC.
`IPR2015-00035
`
`

`
`
`
`
`From: Ying-Moh Liu [mailto:yml7245@yahoo.com]
`Sent: Thursday, September 28, 2006 6:03 PM
`To: Lenny Lipton; Jerry Carollo; Matt Cowan
`Cc: Michael Hoppe; Mahir Abrahim; Bill Maffucci
`Subject: RE: Lenses for prototype
`
`
`
`Lenny and Matt:
`
`I have a few questions related to my optical design setup and
`would like to get your inputs.
`
`
` Would you tell us if we are designing for the Clarity theater or
`the El Capitan?
`* What size is the Clarity theater screen and what is the throw
`distance?
`* If we are designing for TR of 1.45-1.8 as Matt suggested, do
`we keep the throw distance the same for both cases?
`* Please check the attached diagram to see if it is what you
`understand in the lens retract vs TR.
`* For TR of 1.45, I calculated the FOV to be 38 deg. and the
`focal length to be 32.33mm when projecting 1628 pixels
`wide. f=0.5*1628*0.01368/tan(19)=32.33mm. This focal
`length is outside of your described 50.7-67.8mm. What am I
`missing? Do you actually project TR of 1.45 in Clarity theater?
`* Do we design for the "flat" mode with 1.85:1 aspect ratio?
`*
`
`
`Hope to get your input on the above soon. Thank you.
`
`
`Ying-Moh
`
`Lenny Lipton <llipton@reald.com> wrote:
`Jerry
`
`
`That should have been as follows:
`
`
`This is a good question. The lens on the
`Barco on my floor which has a zoom range of
`40.7 - 50.9 mm moves through a little more
`than 30 mm. The front element translates
`from recessed to flush.
`
`
` *
`
`REALD INC.
`Exhibit 2156-5
`MASTERIMAGE 3D, et al. v REALD INC.
`IPR2015-00035
`
`

`
`The Clarity theater lens which is 50.7 -
`67.8 retracts from flush to more than a 45
`mms.
`
`From: Jerry Carollo [mailto:JCarollo@creativedis.com]
`Sent: Monday, September 25, 2006 3:55 PM
`To: Matt Cowan; Lenny Lipton
`Cc: Michael Hoppe; Ying-Moh Liu; Mahir Abrahim; Bill
`Maffucci
`Subject: RE: Lenses for prototype
`
`
`
` Matt:
`
`How much does the lens need to move to go from TR
`1.45 to 1.8? I think we may have up to 20mm space to
`accommodate the focus change but and the other lens
`type but we need at the mechanical design to know for
`sure.
`
`Thanks
`
`Jerry
`
`
`
`From: Matt Cowan [mailto:mcowan@reald.com]
`Sent: Monday, September 25, 2006 11:09 AM
`To: Jerry Carollo; Michael Hoppe; Ying-Moh Liu; Mahir
`Abrahim; Lenny Lipton
`Subject: Lenses for prototype
`
`Jerry et al:
`
`
`We will be providing you with two lenses.
`
`
`The primary one we want to work with is 1.45 to 1.8. (I don't
`have drawings but from memory it is the one with the
`extended hood that needs to be machined off.) The
`secondary one is the 1.8 to 2.4. The 1.45-1.8 lens is the one
`used essentially all the time in the Clarity theatre.
`
`
`We understand that the intended working cone angle is 30
`degrees (full angle) maximum and that this means about
`1.8:1 actual throw to width ratio. Because we use less than
`the full width of the DMD, the advertised number for the lens
`represents a wider picture than we actually achieve, so in fact
`in our operation for flat pictures using 1628 of 2048 pixels
`horizontally, we are at a throw ratio of about 1.5 referencing
`the full width DMD, but equating to 30 degrees full angle.
`
`I hope this is clear - if not perhaps we should have a quick
`telcon to make sure we are on the same page.
`
`REALD INC.
`Exhibit 2156-6
`MASTERIMAGE 3D, et al. v REALD INC.
`IPR2015-00035
`
`

`
`
`
`One point I was thinking about - Focusing the lens consists of
`moving it in and out of its mount via a sliding
`mechanism. This will change the actual location in the Z
`dimension of the end of the lens. Have you allowed for
`adjustment (a one time set-up) in this dimension to
`accommodate this focus movement? It is probably what is
`also required to accommodate two different lenses.
`
`
`Matt.
`************************************************************************
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`REALD INC.
`Exhibit 2156-7
`MASTERIMAGE 3D, et al. v REALD INC.
`IPR2015-00035