UNITED STATES PATENT AND TRADEMARK OFFICE
`_______________
`
`BEFORE THE PATENT TRIAL AND APPEAL BOARD
`
`_______________
`
`LG ELECTRONICS, INC.
`Petitioner
`
`v.
`
`INNOVATIVE DISPLAY TECHNOLOGIES LLC
`Patent Owner
`_______________
`
`Case: IPR2015-00490
`
`Patent 7,300,194
`_______________
`
`PETITION FOR INTER PARTES REVIEW
`OF U.S. PATENT NO. 7,300,194
`
`
`
`
`
`
`
`
`
`

`
`Patent No. 7,300,194
`Petition for Inter Partes Review
`
`
`I.
`
`II.
`
`TABLE OF CONTENTS
`MANDATORY NOTICES ........................................................................................ 1
`
`PAYMENT OF FEES ................................................................................................. 4
`
`III.
`
`STANDING .................................................................................................................. 4
`
`IV. REQUEST FOR INTER PARTES REVIEW OF CLAIMS 1, 4-6, 16, 22, 23,
`27, 28, AND 31 OF THE ’194 PATENT ............................................................... 4
`
`A.
`
`B.
`
`Technology Background ................................................................................. 4
`
`The Alleged Invention Of The ’194 Patent.................................................. 6
`
`V.
`
`CLAIM CONSTRUCTION ....................................................................................... 7
`
`A.
`
`Standards For Claim Construction ................................................................ 7
`
`1.
`
`Broadest Reasonable Construction ..................................................... 7
`
`B.
`
`“deformities” (claims 1, 16, 28, 31) ............................................................... 7
`
`VI.
`
`SUMMARY OF PRIOR ART TO THE ’194 PATENT FORMING THE
`BASIS FOR THIS PETITION .................................................................................. 8
`
`A.
`
`B.
`
`C.
`
`D.
`
`E.
`
`F.
`
`Admitted Prior Art ........................................................................................... 8
`
`U.S. Patent No. 5,005,108 (“Pristash”) (Ex. 1006) ..................................... 8
`
`U.S. Patent No. 5,619,351 (“Funamoto”) (Ex. 1007) ................................. 9
`
`JP H06-273756 (“Gyoko”) (Ex. 1008) .......................................................... 9
`
`U.S. Patent No. 5,408,388 (“Kobayashi”) (Ex. 1011) ............................... 10
`
`U.S. Patent No. 5,598,280 (“Nishio”) (Ex. 1012) ..................................... 10
`
`VII. GROUNDS FOR UNPATENTABILITY FOR EACH CLAIM ..................... 10
`
`A. Ground 1: Claims 1, 4-6, And 28 Are Unpatentable Under 35 U.S.C.
`§103(a) As Being Obvious Over Pristash ................................................... 11
`
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`Patent No. 7,300,194
`Petition for Inter Partes Review
`
`
`B.
`
`Ground 2: Claims 1, 16, 22, 23, 27, And 31 Are Unpatentable Under 35
`U.S.C. §102(e) As Being Anticipated By Funamoto ................................. 19
`
`C. Ground 3: Claims 4, 5, And 6 Are Unpatentable Under 35 U.S.C. §103
`As Obvious Over Funamoto ........................................................................ 29
`
`D. Ground 4: Claims 16, 22, 23, 27, And 31 Are Unpatentable Under 35
`U.S.C. §102(a) As Being Anticipated By Gyoko ........................................ 30
`
`E. Ground 5: Claim 28 Is Unpatentable Under 35 U.S.C. §102(b) As Being
`Anticipated By Kobayashi ............................................................................. 37
`
`F.
`
`Ground 6: Claims 1, 4-6, And 28 Are Unpatentable Under 35 U.S.C.
`§102(e) As Being Anticipated By Nishio .................................................... 41
`
`G. Ground 7: Claims 16, 22, 23, 27, And 31 Are Unpatentable Under 35
`U.S.C. §103 As Obvious Over Nishio, Alone, Or In The Alternative, In
`View Of Funamoto ........................................................................................ 48
`
`VIII. CONCLUSION........................................................................................................... 56
`
`
`
`
`
`
`
`ii
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`Patent No. 7,300,194
`Petition for Inter Partes Review
`
`
`PETITIONER’S EXHIBIT LIST
`
`Description
`
`U.S. Patent No. 7,300,194
`Prosecution History of U.S. Patent No. 7,300,194
`Complaints filed in Related District Court Cases
`Declaration of Michael J. Escuti, Ph.D. (“Escuti Decl.”)
`U.S. Patent No. 5,461,547 (“Ciupke”)
`U.S. Patent No. 5,005,108 (“Pristash”)
`U.S. Patent No. 5,619,351 (“Funamoto”)
`JP H06-273756 (“Gyoko”) (English)
`JP H06-273756 (“Gyoko”) (Japanese)
`JP H06-273756 (“Gyoko”) (Certification)
`U.S. Patent No. 5,408,388 (“Kobayashi”)
`U.S. Patent No. 5,598,280 (“Nishio”)
`U.S. Patent No. 6,108,060 (“the ’060 Patent”) and corresponding file
`history
`U.S. Patent No. 5,160,195 (“Miller”)
`J. A. Castellano, Handbook of Display Technology, Academic Press Inc., San
`Diego, 1992, at pp. 9-13 and Ch. 8
`U.S. Patent No. 5,384,658 (“Ohtake”)
`U.S. Patent No. 5,303,322 (“Winston”)
`U.S. Patent No. 5,050,946 (“Hathaway”)
`EP500960 (“Ohe”)
`U.S. Patent No. 5,828,488 (“Ouderkirk”)
`3M product brochure 75-0500-0403-7, “Brightness Enhancement Film
`(BEF)”, 2 pages (1993)
`U.S. Patent No. 5,706,134 (“Konno”)
`U.S. Patent No. 5,944,405 (“Takeuchi”)
`U.S. Patent No. 5,381,309 (“Borchardt”)
`
`Exhibit #
`1001
`1002
`1003
`1004
`1005
`1006
`1007
`1008
`1009
`1010
`1011
`1012
`1013
`
`1014
`1015
`
`1016
`1017
`1018
`1019
`1020
`1021
`
`1022
`1023
`1024
`
`iii
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`
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`

`
`Patent No. 7,300,194
`Petition for Inter Partes Review
`
`
`Pursuant to 35 U.S.C. §311, Petitioner hereby respectfully requests inter partes
`
`review of Claims 1, 4-6, 16, 22, 23, 27, 28, and 31 of Ex. 1001, U.S. Patent No.
`
`7,300,194 (“the ’194 Patent”) (“Ex. 1001”) which issued on November 27, 2007. The
`
`challenged claims are unpatentable under 35 U.S.C. §§102 and 103 over the prior art
`
`publications identified and applied in this Petition.
`
`I. MANDATORY NOTICES
`Pursuant to 37 C.F.R. §42.8, Petitioner provides the following mandatory
`
`disclosures:
`
`A. Real Parties-In-Interest. LG Electronics U.S.A., Inc. is a real party-in-
`
`interest with Petitioner, LG Electronics, Inc.
`
`B. Related Matters. Pursuant to 37 C.F.R. §42.8(b)(2), Petitioner submits that
`
`the ’194 Patent is the subject of a patent infringement lawsuit brought by the Patent
`
`Owner, Innovative Display Technologies LLC (see Ex. 1003), against Petitioner in the
`
`United States District Court for the District of Delaware: Delaware Display Group LLC
`
`and Innovative Display Technologies LLC v. LG Electronics, Inc., LG Electronics U.S.A., Inc.,
`
`LG Display Co., Ltd., and LG Display America, Inc., Case No. 1:13-cv-02109. The ’194
`
`Patent is also asserted in at least the actions listed in the chart below.
`
`Description
`IDT v. American Honda Motor Co., et al.
`IDT v. AT&T Inc., et. al.
`IDT v. BMW of North America, LLC, et. al.
`
`Docket Number
`2:14-cv-00222, EDTX
`2:14-cv-00720, EDTX
`2:14-cv-00106, EDTX
`
`1
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`

`
`Patent No. 7,300,194
`Petition for Inter Partes Review
`
`
`Description
`IDT v. Dell Inc.
`IDT v. Ford Motor Company
`IDT v. General Motor Company
`IDT v. Hewlett-Packard Corporation
`IDT v. Hyundai Motor Group, et al.
`IDT v. Mazda Motor Corporation, et al.
`IDT v. Mercedes-Benz U.S. International, Inc., et al.
`IDT v. Nissan Motor, Co., Ltd., et. al.
`IDT v. Nokia Corporation and Nokia Inc.
`IDT v. Sprint Corporation, et. al.
`IDT v. Toyota Motor Corporation, et al.
`IDT v. Volkswagen Ag, et al.
`IDT v. ZTE Corporation and ZTE (USA) Inc.
`DDG and IDT v. HTC Corporation et al.
`DDG and IDT v. Lenovo Group Ltd., et al.
`DDG and IDT v. LG Electronics Inc., et al.
`DDG and IDT v. Pantech Co.,Ltd, et al.
`DDG and IDT v. Sony Corporation et al.
`DDG and IDT v. Vizio, Inc.
`
`Docket Number
`2:13-cv-00523, EDTX
`1:14-cv-00849, D. Del.
`1:14-cv-00850, D. Del.
`2:13-cv-00524, EDTX
`2:14-cv-00201, EDTX
`2:14-cv-00624, EDTX
`2:14-cv-00535, EDTX
`2:14-cv-00202, EDTX
`2:13-cv-00784, EDTX
`2:14-cv-00721, EDTX
`2:14-cv-00200, EDTX
`2:14-cv-00300, EDTX
`2:13-cv-00527, EDTX
`1:13-cv-02107, D.Del.
`1:13-cv-02108, D.Del.
`1:13-cv-02109, D.Del.
`1:13-cv-02110, D.Del.
`1:13-cv-02111, D.Del.
`1:13-cv-02112, D.Del.
`
`Related IPRs
`
`include: IPR2014-01092, IPR2014-01094, IPR2014-01095,
`
`IPR2014-01096, IPR2014-01097, IPR2014-01357, IPR2014-01359, IPR2014-01362,
`
`IPR2015-00363, IPR2015-00359, IPR2015-00360, IPR2015-00361, IPR2015-00366,
`
`and IPR2015-00368.
`
`2
`
`

`
`Patent No. 7,300,194
`Petition for Inter Partes Review
`
`
`Petitioner is concurrently filing petitions to review U.S. Patent Nos. 7,384,177,
`
`7,434,974, 7,404,660, 7,537,370, 8,215,816, and 7,914,196.
`
`C. Lead and Back-up Counsel.
`
`Petitioner provides the following designation of counsel:
`
`LEAD COUNSEL
`Robert G. Pluta
`Registration No. 50,970
`MAYER BROWN LLP
`71 S. Wacker Drive
`Chicago, IL 60606
`Telephone: 312-701-8641
`Facsimile:
`312-701-7711
`rpluta@mayerbrown.com
`
`BACK-UP COUNSEL
`Amanda K. Streff
`Registration No. 65,224
`MAYER BROWN LLP
`71 S. Wacker Drive
`Chicago, IL 60606
`Telephone: 312-701-8645
`Facsimile:
`312-701-7711
`astreff@mayerbrown.com
`
`Baldine B. Paul
`Registration No. 54,369
`Anita Y. Lam
`Registration No. 67,394
`MAYER BROWN LLP
`1999 K Street, N.W.
`Washington, DC 20006
`Telephone: 202.263.3000
`Facsimile: 202.263.3300
`bpaul@mayerbrown.com
`alam@mayerbrown.com
`
`D. Service Information. Pursuant to 37 C.F.R. §42.8(b)(4), Petitioner identifies
`
`the following service information: Please direct all correspondence regarding this
`
`proceeding to lead counsel at the address identified above. Petitioner consents to
`
`electronic service by email: rpluta@mayerbrown.com, bpaul@mayerbrown.com,
`
`astreff@mayerbrown.com, and alam@mayerbrown.com, with a courtesy copy to
`3
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`

`
`Patent No. 7,300,194
`Petition for Inter Partes Review
`
`LGEDDGIPR@mayerbrown.com.
`
`II.
`
`PAYMENT OF FEES
`
`Pursuant to 37 C.F.R. §42.103, $23,000 is being paid at the time of filing this
`
`petition, charged to Deposit Account 130019. Should any further fees be required by
`
`the present Petition, the Patent Trial and Appeal Board (“the Board”) is hereby
`
`authorized to charge the above referenced Deposit Account.
`
`III. STANDING
`Pursuant to 37 C.F.R. §42.104(a), Petitioner certifies that the patent sought for
`
`review, the ’194 Patent, is available for inter partes review and that Petitioner is not
`
`barred or estopped from requesting an inter partes review of the patent.
`
`IV. REQUEST FOR INTER PARTES REVIEW OF CLAIMS 1, 4-6, 16, 22,
`23, 27, 28, AND 31 OF THE ’194 PATENT
`
`Pursuant to 37 C.F.R. §42.104(b), Petitioner requests that the Board find
`
`unpatentable Claims 1, 4-6, 16, 22, 23, 27, 28, and 31 of the ’194 Patent. Such relief is
`
`justified as the alleged invention of the ’194 Patent was described by others prior to
`
`the effective filing date of the ’194 Patent.
`
`Technology Background
`
`A.
`Generally, light emitting panel assemblies are used in conjunction with liquid
`
`crystal displays (“LCDs”) and various applications thereof, as a backlight module to
`
`provide light to the display. Ex. 1004, Declaration of Michael J. Escuti, Ph.D.
`
`(“Escuti Decl.”), ¶38. The light emitting panel assembly is composed of all the
`
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`Patent No. 7,300,194
`Petition for Inter Partes Review
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`elements of the LCD other than the liquid crystals themselves. Id. For example, the
`
`light emitting panel assembly is all but element 12 (in yellow) in the annotated figure
`
`below from Ex. 1005, U.S. Patent No. 5,461,547 (“Ciupke”).
`
`
`
`
`
`In order to produce surface illumination with the target brightness and
`
`uniformity at the lowest possible electrical power, the light emitting panel assembly
`
`can include features to spatially homogenize and control the angular distribution of
`
`emitted light. Escuti Decl., ¶39. Examples of these features include light pipes,
`
`transition area, reflectors, and various types of microstructured deformities (e.g.,
`
`microprisms, diffusers, and microlenses). Id. at ¶42. The light pipe, also sometimes
`
`called a light guide or wave guide, accepts light injected from the side and distributes it
`
`across the emission area. The ’194 Patent calls the light pipe a “transparent panel
`
`member” (e.g., 1:20-21), “light emitting panel member” (e.g., 1:34-35), and “transparent
`
`light emitting panel” (e.g., 2:67). See Escuti Decl., ¶43. The transition area, which is
`
`usually between the light source and the light pipe, is used to securely position the
`
`light source relative to the light pipe, and to spread and transmit light to produce a
`
`more uniform input illumination. Id. ¶44. Deformities, such as microprisms, diffusers,
`
`and microlenses, are employed to control the direction and spatial uniformity of light
`
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`Patent No. 7,300,194
`Petition for Inter Partes Review
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`within light emitting panel assemblies. Id. ¶45.
`
`B. The Alleged Invention Of The ’194 Patent
`The ’194 Patent relates “to light emitting panel assemblies each including a
`
`transparent panel member for efficiently conducting light, and controlling the light
`
`conducted by the panel member to be emitted from one or more light output areas
`
`along the length thereof.” Ex. 1001, 1:19-23. The ’194 Patent discloses an edge-lit
`
`light emitting panel assembly, which can also be referred to as a backlight. Escuti
`
`Decl., ¶40. Edge-lit light emitting panel assemblies are often preferred because they
`
`can be physically thinner and lower weight. Id. As the ’194 Patent acknowledges,
`
`“[l]ight emitting panel assemblies are generally known.” Ex. 1001, 1:24. The
`
`purported advantage of the alleged invention described in the ’194 patent relates to
`
`several different light emitting panel assembly configurations which allegedly provide
`
`for better control of light output from the panel assembly and for more “efficient”
`
`utilization of light, thereby resulting in greater light output from the panel assembly.
`
`Ex. 1001, 1:25-30. Yet, as shown further below, prior art such as U.S. Patent No.
`
`5,005,108 (“Pristash”) already disclosed such advantages. See, e.g., Ex. 1006, 1:10-16.
`
`The ’194 Patent discloses light emitting assemblies including at least one light
`
`source and at least one film, sheet, plate, or substrate having optical elements or
`
`deformities of “well defined” shape on at least one surface that have reflective or
`
`refractive surfaces for controlling the light output ray angle distribution of the emitted
`
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`
`Patent No. 7,300,194
`Petition for Inter Partes Review
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`light. Ex. 1001, Abstract. The film, sheet, plate, or substrate may be positioned near
`
`the light emitting surface of a light emitting panel member with an air gap
`
`therebetween or over a cavity or recess in a tray through which light from a light
`
`source in the cavity or recess is emitted. Id.
`
`V.
`
`CLAIM CONSTRUCTION
`A.
`
`Standards For Claim Construction
`1.
`
`Broadest Reasonable Construction
`
`A claim subject to inter partes review is given its “broadest reasonable
`
`construction in light of the specification of the patent in which it appears.” 37 C.F.R.
`
`§42.100(b). This means that the words of the claim are given their plain meaning
`
`from the perspective of one of ordinary skill in the art unless that meaning is
`
`inconsistent with the specification. In re Zletz, 893 F.2d 319, 321 (Fed. Cir. 1989).
`
`Petitioner submits, for the purposes of inter partes review only, that the claim terms are
`
`presumed to take on their broadest reasonable interpretation in light of the
`
`specification of the ’194 Patent.
`
`“deformities” (Claims 1, 16, 28, 31)
`
`B.
`The ’194 Patent expressly defines the term “deformities” as follows: “As used
`
`herein, the term deformities or disruptions are used interchangeably to mean any
`
`change in the shape or geometry of the panel surface and/or coating or surface
`
`treatment that causes a portion of the light to be emitted.” Ex. 1001, 4:44-48. Thus,
`
`based on the express definition of deformities in the specification, “deformities”
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`
`Patent No. 7,300,194
`Petition for Inter Partes Review
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`(Claims 1, 16, 28, and 31) should be construed to mean “any change in the shape or
`
`geometry of a surface and/or coating or surface treatment that causes a portion of the
`
`light to be emitted.” Escuti Decl., ¶62.
`
`VI. SUMMARY OF PRIOR ART TO THE ’194 PATENT FORMING THE
`BASIS FOR THIS PETITION
`
`The following documents serve as a basis to show that Petitioner has a
`
`reasonable likelihood of prevailing with respect to at least one of the Claims 1, 4-6, 16,
`
`22, 23, 27, 28, and 31 of the ’194 Patent. Petitioner provides a detailed explanation of
`
`the pertinence and manner of applying the cited prior art to Claims 1, 4-6, 16, 22, 23,
`
`27, 28, and 31 of the ’194 Patent in Section VII, infra. In light of the prior art
`
`references, the light emitting assembly in the ’194 Patent is a function of prior art and
`
`obvious design decisions, not innovation or invention.
`
`Admitted Prior Art
`
`A.
`The ’194 Patent discusses the following functionality and structure of prior art
`
`light emitting assemblies: (1) a “transparent light emitting panel 2,” (2) “one or more
`
`light sources 3 which emit light in a predetermined pattern,” and (3) “a light transition
`
`member or area 4 used to make the transition from the light source 3 to the light
`
`emitting panel.” Ex. 1001, 2:64-3:4 (describing these elements and their functionalities
`
`as being “well known in the art”).
`
`B. U.S. Patent No. 5,005,108 (“Pristash”) (Ex. 1006)
`Pristash discloses a thin panel illuminator for more efficient light transmission
`
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`
`Patent No. 7,300,194
`Petition for Inter Partes Review
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`from the light source to the light emitting panel. Ex. 1006, 1:14-17. Pristash qualifies
`
`as prior art under 35 U.S.C. §102(b) because Pristash issued as a patent on April 2,
`
`1991, more than one year before the June 27, 1995 priority date to which the ’194
`
`Patent may be entitled. Pristash was cited as a reference in an Information Disclosure
`
`Statement during prosecution, but was not relied upon as the basis to reject any claim.
`
`In fact, Pristash was not discussed on the record at all during the prosecution
`
`proceedings.
`
`C. U.S. Patent No. 5,619,351 (“Funamoto”) (Ex. 1007)
`Funamoto discloses a surface-type illumination device suitable for providing a
`
`backlight in a liquid crystal display (“LCD”). Ex. 1007, Abstract. Funamoto qualifies
`
`as prior art under 35 U.S.C. §102(e) because Funamoto entered national stage under
`
`35 U.S.C. §371 on May 10, 1994 before the June 27, 1995 priority date to which the
`
`’194 Patent may be entitled. Funamoto was not cited or considered during
`
`prosecution of the application that led to the ’194 Patent.
`
`JP H06-273756 (“Gyoko”) (Ex. 1008)1
`
`D.
`Gyoko discloses an illuminating device and liquid crystal display device whose
`
`purpose is to increase brightness and efficiency by reducing or preventing leakage of
`
`light from a light guide body. Ex. 1008, Title, Abstract. Gyoko qualifies as prior art
`
`1 The Japanese version of Gyoko is attached as Ex. 1009 and the translation
`
`certification is attached as Ex. 1010.
`
`
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`Patent No. 7,300,194
`Petition for Inter Partes Review
`
`under 35 U.S.C. §102(a) because Gyoko was published on September 30, 1994, before
`
`the June 27, 1995 priority date to which the ’194 Patent may be entitled. Gyoko was
`
`not cited or considered during prosecution of the application that led to the ’194
`
`Patent.
`
`E. U.S. Patent No. 5,408,388 (“Kobayashi”) (Ex. 1011)
`Kobayashi discloses a planar illuminating device having “increased luminance”
`
`and an “increased uniformity in surface lumination.” Ex. 1011, 2:14-16, 2:59-61.
`
`Kobayashi qualifies as prior art under 35 U.S.C. §102(a) because Kobayashi was issued
`
`as a patent on April 18, 1995, before the June 27, 1995 priority date to which the ’370
`
`Patent may be entitled. Kobayashi was not cited or considered during prosecution of
`
`the application that led to the ’194 Patent.
`
`F. U.S. Patent No. 5,598,280 (“Nishio”) (Ex. 1012)
`Nishio discloses a film lens and a surface light source adopted for backlighting
`
`a display unit, such as a liquid crystal display. Ex. 1012, 1:7-10. Nishio qualifies as
`
`prior art under 35 U.S.C. §102(e) because Nishio was filed on March 22, 1994, before
`
`the June 27, 1995 priority date to which the ’194 Patent may be entitled. Nishio was
`
`not cited or considered during prosecution of the application that led to the ’194
`
`Patent.
`
`VII. GROUNDS FOR UNPATENTABILITY FOR EACH CLAIM
`In light of the disclosures detailed below, the ’194 Patent is unpatentable for at
`
`least the reasons summarized in the chart below and discussed in more detail herein.
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`
`Patent No. 7,300,194
`Petition for Inter Partes Review
`
`Ground # Ground
`1
`103(a)
`2
`102(e)
`
`Prior art
`Pristash
`Funamoto
`
`3
`4
`5
`6
`7
`
`103(a)
`102(a)
`102(a)
`102(e)
`103(a)
`
`Exhibit(s) #
`1006
`1007
`
`Claims
`1, 4-6, 28
`1, 16, 22, 23, 27,
`31
`4, 5, 6
`1007
`16, 22, 23, 27, 31
`1008
`28
`1011
`1, 4-6, 28
`1012
`1012 and 1007 16, 22, 23, 27, 31
`
`Funamoto
`Gyoko
`Kobayashi
`Nishio
`Nishio in view of
`Funamoto
`A. Ground 1: Claims 1, 4-6, And 28 Are Unpatentable Under 35 U.S.C.
`§103(a) As Being Obvious Over Pristash
`
`
`
`The alleged invention set forth in the ’194 Patent “Background of the
`
`Invention” is substantially similar to that in Pristash:
`
`Pristash Background of the Invention
`Light panel
`illuminators are generally
`known. However, the present invention
`relates
`to
`several
`different panel
`illuminator configurations which are less
`expensive to make and/or provide for
`better control over the light output from
`the panel. Also, the present invention
`provides more efficient transmission of
`light from a light source to the light
`emitting panel.
`
`’194 Background of the Invention
`Light emitting panel assemblies are
`generally known. However, the present
`invention relates to several different light
`emitting panel assembly configurations
`which provide for better control of the
`light output from the panel assemblies
`and for more efficient utilization of light,
`which results in greater light output from
`the panel assemblies.
`
`
`
`The similarities between the Pristash and ’194 Patent do not end in their
`
`recognition of the prior art and the objectives of the purported inventions. The two
`
`patents have a common inventor, Jeffrey Parker, who is a co-inventor of Pristash and
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`the sole inventor for the ’194 Patent. Further, Fig. 10 of Pristash and Fig. 6 of the
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`’194 Patent appear strikingly similar in shape and in common elements such as the
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`Patent NNo. 7,300,1194
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`Petitionn for Inter PPartes Revieww
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`tive” nd “reflectorange), anources” (o, “light soas (green),egions/area“light ooutput” re
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`Prristash
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`Prristash teacches each aand every
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`element off Claims 1
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`and thereffore, rendeers those
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`under 355 U.S.C. §§103.
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`Pristashh teaches
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`light eemitting ppanel
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`illuminaators. A person of oordinary skkill in the
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`combinee elements of a pparticular eembodimennt with oother elemments of oother
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`embodimments discllosed in Prristash for sseveral reassons. Firstt, all of thee configurattions
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`taught bby Pristash
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`are aimed
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`light soource to tthe light eemitting p
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`anel.” Ex.. 1006, 1:
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`11-16. Seecond, Prisstash
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`specificaally acknoowledges tthat “it
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`12
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`Petitionn for Inter PPartes Revieww
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`Patent NNo. 7,300,1194
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`the speccification.”
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`Id. 9:3-5.
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`be obvious Therefore, it would b
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`art to aalter one emmbodimennt with a ffeature taugght in the
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`differennt embodimment. Finallly, Pristashh does not
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`elementts for the eembodimennts. Speciffically, Pristash does
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`combinaations
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`presenteed herein.
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`Thhe elemennts of indeependent
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`Claims
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`right, coomposed oof Figures
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`1 and 7
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`WWith respectt to Claim
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`1, Pristashh teaches aa light emittting assemmbly includiing a
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`solid traansparent pprismatic fifilm 51, lighht source 33, a secondd prismatic
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`can be rreplaced byy a diffuserr or lenticullar lens, annd an air gaap 61. Ex. 11006, 2:68,, 5:6-
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`9, 5:22-333. Here, thhe solid traansparent pprismatic fiilm 51 funcctions as a
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`panel memmber,
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`as requiired by the
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`mentionned, the obbject of Pristash, muuch like thhe object oof the ’1944 Patent, iis to
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`provide a panel asssembly withh more effificient use oof light, i.e.,, low loss. SSee id. ¶64.
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`Patent No. 7,300,194
`Petition for Inter Partes Review
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`With respect to Claim 28, the solid transparent prismatic film 51 functions as
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`the transparent film, sheet, plate, or substrate having top and bottom surfaces, a
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`plurality of optical elements or deformities of well-defined shape on or in the top and
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`bottom surfaces. See id. ¶¶91-92. Indeed, Pristash discloses that the solid transparent
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`prismatic film 51 with a prismatic surface 52 on one side and a back reflector 53 on
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`the other side. Ex. 1006, 5:6-11. Additionally, the transparent prismatic film can have
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`deformities cut, molded or otherwise formed on both the top and bottom surfaces
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`along the prism edges. Id. 4:46-49, 4:66-5:5. The deformities can vary in depth and
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`shape along the length of the prism edges “to produce a desired light output
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`distribution.” Id. 4:52-54. See Escuti Decl., ¶¶91-92.
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` As for dependent Claims 4, 5, and 6, Pristash teaches each and every limitation
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`of independent Claim 1. Further, Pristash teaches multiple light sources which may be
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`used with a single panel when the rays enter the panel from opposite edges (“Light rays
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`may be caused to enter the panel 50 perpendicular to the wave guide prism edges 54 from one or both
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`end edges 55, 56 of the panel,” Id. 5:11-14 (emphasis added), Fig. 7 below), allowing the
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`light to mix in the panel member or in the air gap (“internally reflected until they strike a
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`deformity,” Id. 5:14-15). See Escuti Decl., ¶¶80-88.
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`The claim chart below shows a detailed analysis of how each element of Claims
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`1, 4-6, and 28 of the ’194 Patent are rendered obvious by the teachings of Pristash.
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`For all these reasons, Claims 1, 4-6, and 28 are unpatentable in view of Pristash and
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`Patent No. 7,300,194
`Petition for Inter Partes Review
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`thus, Petitioner has a reasonable likelihood of prevailing with respect to at least one
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`claim.
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`’194 Claim Element
`1. A
`light
`emitting
`assembly comprising
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`light
`least a
`[1.a] at
`emitting panel member
`having a light emitting
`surface,
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`[1.b] at least one light
`source,
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`Pristash (Ex. 1006)
`“FIG. 7 schematically shows another form of light
`emitting panel 50 in accordance with this invention which
`also comprises a solid transparent prismatic film 51 having
`a prismatic surface 52 on one side and a back reflector 53
`on the other side, similar to the light emitting panel 2
`shown in FIG. 1.” Ex. 1006, 5:6-11; see also Figs. 1, 7
`below.
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`See Escuti Decl., ¶68.
`“FIG. 7 schematically shows another form of light
`emitting panel 50 in accordance with this invention which
`also comprises a solid transparent prismatic film 51 having
`a prismatic surface 52 on one side and a back reflector 53
`on the other side, similar to the light emitting panel 2
`shown in FIG. 1.” Ex. 1006, 5:6-11.
`“The second prismatic film 60 may be separated from the
`first prismatic film or wave guide 51 by air or an epoxy
`filled gap 61.” Id. 5:25-27.
`See Escuti Decl., ¶69.
`“Referring now in detail to the drawings, and initially to
`FIG. 1, there is schematically shown one form of thin
`panel
`illuminator
`in accordance with this
`invention
`including a solid transparent light emitting panel 2 and a
`light source 3 which generates and focuses light….” Ex.
`1006, 2:64-68.
`See Escuti Decl., ¶70.
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`15
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`’194 Claim Element
`[1.c] at least one film,
`sheet, plate or substrate
`positioned near the light
`emitting surface through
`which
`light from the
`panel
`member
`is
`emitted, and
`[1.d] an air gap between
`the film, sheet, plate or
`substrate and the panel
`member,
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`[1.e] wherein at least one
`surface of
`the
`film,
`sheet, plate or substrate
`has
`one
`or more
`reflective or refractive
`surfaces, and
`[1.f] at least one of the
`reflective or refractive
`surfaces
`has
`well
`defined optical elements
`or
`deformities
`for
`controlling the emitted
`light such that at least
`some of the
`light
`is
`redirected
`to
`pass
`through a liquid crystal
`display with low loss.
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`Patent No. 7,300,194
`Petition for Inter Partes Review
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`Pristash (Ex. 1006)
`“In addition, the panel 50 includes a second prismatic film
`60 disposed in close proximity to the panel prismatic
`surface 52 to shift the angular emission of light toward a
`particular application.” Ex. 1006, 5:22-25.
`See Escuti Decl., ¶71.
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`“The second prismatic film 60 may be separated from the
`first prismatic film or wave guide 51 by air or an epoxy
`filled gap 61.” Ex. 1006, 5:25-27.
`See Escuti Decl., ¶72.
`“In addition, the panel 50 includes a second prismatic film
`60 disposed in close proximity to the panel prismatic
`surface 52 to shift the angular emission of light toward a
`particular application.” Ex. 1006, 5:22-25.
`See Escuti Decl., ¶73.
`“In addition, the panel 50 includes a second prismatic film
`60 disposed in close proximity to the panel prismatic
`surface 52 to shift the angular emission of light toward a
`particular application . . . Also, multiple prismatic films
`may be used in place of the single prismatic film 60, or the
`prismatic film 60 may be replaced by a diffuser or
`lenticular lens or the like.”
`Ex. 1006, 5:22-33; see also
`Fig. 7 below.
`“Typical general lighting
`applications include back
`lighting of liquid crystal displays….” Id. 8:17-20.
`“[T]he present invention relates to several different panel
`illuminator configurations which are less expensive to
`make and/or provide for better control over the light
`output from the panel. Also, the present invention
`provides for more efficient transmission of light from a
`light source to the light emitting panel.” Id. 1:12-16.
`See Escuti Decl., ¶¶74-76.
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`16
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`Patent No. 7,300,194
`Petition for Inter Partes Review
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`’194 Claim Element
`4. The assembly of
`claim 1 wherein
`light
`from at least two light
`sources partially mixes
`in at least a portion of
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`light
`emitting
`assembly.
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`Pristash (Ex. 1006)
`“Moreover, multiple light sources may be used with a
`single panel or multiple panels used with a single light
`source by providing the transition device with multiple
`input connectors leading to a single output connector or a
`single
`input connector
`leading
`to multiple output
`connectors as schematically shown in FIG. 18.” Ex. 1006,
`7:64-8:1.
`“Light rays may be caused to enter the panel 50
`perpendicular to the wave guide prism edges 54 from one
`or both end edges 55, 56 of the panel, and are internally
`reflected until they strike a deformity (in this case an edge
`54 of the panel prismatic surfaces 52) which causes the
`light rays to be emitted.” Id. 5:11-16; see also Fig. 7, above.
`See Escuti Decl., ¶¶79-82.
`“Light rays may be caused to enter the panel 50
`perpendicular to the wave guide prism edges 54 from one
`or both end edges 55, 56 of the panel, and are internally
`reflected until they strike a deformity (in this case an edge
`54 of the panel prismatic surfaces 52) which causes the
`light rays to be emitted.” Ex. 1006, 5:11-16; see also Fig. 7
`above.
`See Escuti Decl., ¶¶84-85.
`“Light rays may be caused to enter the panel 50
`perpendicular to the wave gui