Display technology — US PTAB Patent Cases
132 decisions indexed
Page 1 of 5 · 132 total
Dolby Laboratories, Inc. et al. v.InterDigital Madison Patent Holdings, SAS et al.
Dolby Laboratories has filed an IPR petition challenging U.S. Patent 9,185,268, which covers methods for color correcting display content. The petition asserts that the claims are obvious over a combination of prior‑art references and requests the Board to institute the review.
Samsung Display Co., Ltd. et al. v.Pictiva Displays International Limited et al.
In IPR2024‑01094, the PTAB held claims 1,2,6,8‑14 of Pictiva’s OLED patent unpatentable over the Ma reference, while claims 3‑4 were upheld. The decision hinged on obviousness of joint vaporization and metal‑complex coordination.
Samsung Display Co., Ltd. et al. v.Pictiva Displays International Limited et al.
The PTAB issued a Final Written Decision finding all of Samsung's challenged OLED claims unpatentable. The Board held that the claims were obvious over multiple prior‑art OLED references. The decision affirms the institution of the IPR.
Samsung Display Co., Ltd. et al. v.Pictiva Displays International Limited et al.
Samsung Display has filed an IPR petition to invalidate all 16 claims of Pictiva's OLED patent, arguing that each claim is anticipated or obvious over prior art such as Suzuki, Diekmann, Ma, and Lee.
Caihong Display Devices Co., Ltd. v.Corning Incorporated
Caihong has filed an IPR petition seeking to invalidate Corning’s 8,627,684 patent covering a glass‑roll apparatus for flat‑panel displays. The petition relies on eight prior‑art references to argue obviousness of claims 1‑14.
Tianma Microelectronics Co., Ltd. et al. v.LG Display Co., Ltd.
Tianma seeks an IPR to invalidate LG Display’s OLED touch‑screen patent (US 11,251,394). The petition alleges obviousness over six prior‑art references and requests cancellation of all 19 claims.
Hisense USA Corp. et al. v.Light Guide Innovations LLC
Hisense has filed an IPR petition seeking cancellation of 22 claims of Light Guide Innovations' U.S. Patent 8,408,778 covering LED backlighting technology. The petition alleges obviousness over a combination of prior art references such as Asada, Kinoshita, Ashdown, Cho and Dejima. The Board has yet to decide whether to institute the review.
BOE Technology Group Co., Ltd. v.Paneltouch Technologies LLC
BOE Technology Group and Paneltouch Technologies have settled IPR2025-01246. The parties filed a joint motion to seal the settlement agreement as business confidential information.
BOE Technology Group Co., Ltd. v.Paneltouch Technologies LLC
BOE Technology files an IPR petition challenging all 15 claims of Paneltouch's touch‑panel display patent, asserting obviousness over the Nakamura publication and, for claim 2, over Nakamura combined with Slobodin.
BOE Technology Group Co., Ltd. et al. v.Samsung Display Co., Ltd.
BOE and Samsung Display have reached a settlement covering all disputes over U.S. Patent No. 10,013,088 and jointly filed a motion to terminate the inter partes review. The motion cites compliance with 35 U.S.C. §317 and argues that termination saves resources and promotes settlement policy.
BOE Technology Group Co., Ltd. et al. v.Samsung Display Co., Ltd.
BOE Technology and Samsung Display settled their IPR dispute over U.S. Patent 10,013,088 before trial. The Board granted a joint motion to terminate, keeping the settlement confidential. No claim validity determinations were made.
BOE Technology Group Co., Ltd. et al. v.Samsung Display Co., Ltd.
BOE Technology Group has filed an IPR petition challenging Samsung Display's U.S. Patent 10,013,088 covering an integrated OLED touchscreen. The petition asserts that all 13 claims are obvious over a combination of prior‑art references such as Chen, Jang, Sano, and Sakamoto. BOE seeks cancellation of the entire patent.
BOE Technology Group Co., Ltd. v.Samsung Display Co., Ltd.
BOE Technology and Samsung Display have settled all disputes over U.S. Patent 11,626,066 and jointly moved to terminate the inter partes review. The motion cites compliance with 35 U.S.C. §317 and argues that no merits have been decided.
BOE Technology Group Co., Ltd. v.Samsung Display Co., Ltd.
BOE Technology and Samsung Display filed a joint request asking the PTAB to keep their settlement agreement confidential and separate from the patent file, invoking statutory confidentiality provisions.
BOE Technology Group Co., Ltd. v.Samsung Display Co., Ltd.
The PTAB issued a final written decision in IPR2023‑01075, finding that none of the 24 challenged claims of Samsung Display’s OLED pixel‑arrangement patent (U.S. 11,594,578) were unpatentable. The Board rejected BOE’s obviousness arguments based on Matthies, Yamada, and Hong, concluding no teaching of a "pixel defining layer" existed. All claims remain in force.
BOE Technology Group Co., Ltd. v.Samsung Display Co., Ltd.
BOE Technology and Samsung Display have settled all disputes over U.S. Patent 10,832,616 and jointly moved to terminate the inter partes review. The Board is asked to dismiss the proceeding under 35 U.S.C. §317.
BOE Technology Group Co., Ltd. v.Samsung Display Co., Ltd.
The PTAB held that Samsung Display’s OLED pixel‑arrangement patent claims 1,4‑10,13 and 15 are obvious over prior art, while claim 2 remains patentable.
BOE Technology Group Co., Ltd. v.Samsung Display Co., Ltd.
BOE Technology and Samsung Display filed a joint request with the PTAB to keep their settlement agreement confidential. The parties seek to have Exhibit 1029 treated as business confidential information and separated from the patent file.
BOE Technology Group Co., Ltd. v.Samsung Display Co., Ltd.
BOE Technology and Samsung Display settled their IPR dispute (IPR2025-01544) before trial. The Board granted a joint motion to terminate, keeping the settlement confidential.
BOE Technology Group Co., Ltd. v.Samsung Display Co., Ltd.
BOE Technology Group has filed an IPR petition seeking cancellation of 22 claims of Samsung Display's OLED pixel‑arrangement patent. The petition relies on five grounds of obviousness over prior‑art references such as Cok, Suh, Hong, Credelle‑379 and Elliott‑724. The Board is asked to institute the review.
BOE Technology Group Co., Ltd. v.Samsung Display Co., Ltd.
BOE has filed an IPR petition seeking cancellation of all 13 claims of Samsung Display’s OLED pixel‑arrangement patent, arguing they are obvious over a combination of earlier OLED display references.
BOE Technology Group Co., Ltd. v.Samsung Display Co., Ltd.
BOE Technology and Samsung Display settled their dispute over U.S. Patent 7,279,708 and jointly moved to terminate the inter partes review, citing statutory requirements under 35 U.S.C. §317.
BOE Technology Group Co., Ltd. v.Samsung Display Co., Ltd.
BOE Technology and Samsung Display settled their IPR dispute (IPR2025-01557) before trial. The Board granted a joint motion to terminate, keeping the settlement confidential. No claims were instituted or decided.
Hisense USA Corp. et al. v.Light Guide Innovations LLC
Hisense has filed a petition for inter partes review of Light Guide Innovations' U.S. Patent 7,936,415 covering LED backlight modules. The petition asserts seven obviousness grounds based on Roberts and other prior art references, seeking cancellation of all 18 claims.
BOE Technology Group Co., Ltd. v.Paneltouch Technologies, LLC
BOE Technology filed an IPR petition seeking to invalidate all 21 claims of Paneltouch's 2016 touchscreen display patent, arguing obviousness over multiple prior‑art references.
BOE Technology Group Co., Ltd. v.Paneltouch Technologies, LLC
BOE Technology Group has filed an IPR petition challenging Paneltouch Technologies' 8,704,762 display device patent, asserting that the claims are obvious over several prior‑art references covering crack‑detection wiring in touch and display panels.
Hisense USA Corp. et al. v.Light Guide Innovations LLC
Hisense has filed an IPR petition challenging Light Guide Innovations' 8,267,537 patent covering LED backlight units. The petition asserts that the claims are obvious over prior art references Liu, Roberts, and Liu‑660, and establishes standing to proceed.
BOE Technology Group Co., Ltd. et al. v.Samsung Display Co., Ltd.
BOE Technology and Samsung Display settled all disputes over U.S. Patent 10,439,015 and jointly moved to terminate the inter partes review. The motion cites statutory requirements under 35 U.S.C. §317 and emphasizes public policy favoring settlement.
BOE Technology Group Co., Ltd. et al. v.Samsung Display Co., Ltd.
BOE Technology Group has filed an IPR petition challenging Samsung Display’s U.S. Patent 10,439,015 covering OLED TFT display structures. The petition alleges obviousness over a suite of prior‑art references, including Kim‑584, Kim‑923, Moon, Masao and others. No claim constructions are asserted; the claims are to be given their plain meaning.
BOE Technology Group Co., Ltd. v.Samsung Display Co., Ltd.
BOE Technology and Samsung Display settled their IPR disputes, leading the PTAB to terminate the proceedings without a trial. The settlement agreement is confidential per 37 C.F.R. § 42.74(c).
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