DCT

2:26-cv-00458

NeoLayer LLC v. Samsung Electronics Co Ltd

Key Events
Complaint
complaint Intelligence

I. Executive Summary and Procedural Information

  • Parties & Counsel:
  • Case Identification: 2:26-cv-00458, E.D. Tex., 06/09/2026
  • Venue Allegations: Plaintiff alleges venue is proper in the Eastern District of Texas based on Defendant Samsung Electronics America, Inc.'s regular and established place of business in the District, including a "flagship campus" in Plano, Texas. Allegations also cite the commission of infringing acts within the District and Samsung's prior history of availing itself of the forum by filing its own patent suits.
  • Core Dispute: Plaintiff alleges that Defendant's OLED display products, including its Galaxy smartphones, infringe three patents related to the physical structure of display panels and the composition of OLED material layers.
  • Technical Context: The dispute centers on organic light-emitting diode (OLED) display technology, which is a core component in a wide range of high-value consumer electronics, from smartphones to televisions, prized for its superior image quality.
  • Key Procedural History: The complaint alleges that Defendant was aware of the asserted patents due to prior business dealings with the original patent assignee, AUO Optronics Corp. These dealings allegedly included patent cross-licensing agreements covering the patent portfolios from which the asserted patents arose. The complaint notes that at least one of these agreements was not renewed, a fact Plaintiff may use to support its allegations of willful infringement.

Case Timeline

Date Event
2005-08-10 '737 Patent Priority Date
2006-01-12 AUO and Samsung sign first patent cross-license agreement
2006-08-16 '145 and '976 Patents Priority Date
2009-06-02 '737 Patent Issued
2010-02-16 '145 Patent Issued
2012-01-07 News of second AUO/Samsung cross-license published
2012-05-01 '976 Patent Issued
2019-01-01 Alleged start date of infringement (at least since 2019)
2025-07-01 Asserted Patents assigned from AUO to NeoLayer
2026-06-09 Complaint Filing Date

II. Technology and Patent(s)-in-Suit Analysis

U.S. Patent No. 7,663,145 - "Display Panel and Method for Manufacturing the Same"

  • Patent Identification: 7,663,145, "Display Panel and Method for Manufacturing the Same," issued February 16, 2010.

The Invention Explained

  • Problem Addressed: In the manufacturing of flat-panel displays (specifically referencing TFT-LCDs), processes designed to reduce the number of masks can leave behind unwanted photoresist and conductive layer residues in the non-pixel "blank area" of the panel, which can degrade display quality and reduce manufacturing yield '145 Patent, col. 2:40-50
  • The Patented Solution: The invention proposes a specific structure for the "metal-line region" within the blank area. It describes forming a conductive pattern on top of an insulating multilayer in such a way that it creates a "plurality of isolated zones" '145 Patent, abstract This structure is designed to ensure that the large areas of photoresist used during manufacturing can be removed completely during the lift-off step, preventing residues '145 Patent, col. 9:11-19
  • Technical Importance: The patented method aims to improve the manufacturability and reliability of display panels by addressing a specific failure mode associated with cost-saving, reduced-mask production techniques '145 Patent, col. 2:51-57

Key Claims at a Glance

The complaint asserts independent claim 1 Compl. ¶34 Its essential elements are:

  • A display panel, comprising: a substrate having a display area and a blank area adjacent to the display area, the blank area comprising:
  • a metal-line region comprising an insulating multilayer formed on the substrate and a conductive pattern layer formed on the insulating multilayer, so that a plurality of parts of the surface of the insulating multilayer are exposed to be a plurality of isolated zones by forming the conductive pattern layer,
  • wherein the insulating multilayer beneath the conductive pattern layer covers the entire substrate at the blank area.

U.S. Patent No. 8,168,976 - "Display Panel and Method for Manufacturing the Same"

  • Patent Identification: 8,168,976, "Display Panel and Method for Manufacturing the Same," issued May 1, 2012.

The Invention Explained

  • Problem Addressed: Like its parent '145 Patent, the '976 Patent addresses the problem of photoresist residues remaining in the blank area of a display panel after manufacturing '976 Patent, col. 2:5-13
  • The Patented Solution: This invention claims a display panel where the blank area contains two distinct regions: a "non-metal line region" and a "metal-line region" '976 Patent, abstract The "non-metal line region" features insulating patterns on the substrate separated by a first conductive pattern layer, while the "metal-line region" has its own structure with an insulating multilayer and a second conductive pattern layer that forms "isolated zones" '976 Patent, col. 9:20-33 This dual-region approach provides a more complex structural solution to the residue problem.
  • Technical Importance: The patent describes a more sophisticated blank area architecture, potentially offering designers more flexibility in managing electrical properties and manufacturing challenges in different parts of the panel's periphery '976 Patent, col. 9:34-40

Key Claims at a Glance

The complaint asserts independent claim 1 Compl. ¶44 Its essential elements are:

  • A display panel, comprising: a substrate having a display area and a blank area adjacent to the display area, the blank area comprising:
  • a non-metal line region having a plurality of insulating patterns and a first conductive pattern layer formed on the substrate, the insulating patterns spaced apart from each other by the first conductive pattern layer; and
  • a metal-line region having an insulating multilayer formed on the substrate and a second conductive pattern layer formed on the insulating multilayer, so that a plurality of isolated zones are formed on a surface of the insulating multilayer by the second conductive pattern layer.

Multi-Patent Capsule: U.S. Patent No. 7,541,737 - "Organic Electroluminescent Device and Display Incorporating the Same"

  • Patent Identification: 7,541,737, "Organic Electroluminescent Device and Display Incorporating the Same," issued June 2, 2009.
  • Technology Synopsis: The patent addresses inefficient electron injection in OLED devices, which can cause high operating voltages and short lifespans '737 Patent, col. 1:21-34 The proposed solution is an "electron source" layer composed of a mixture of an organic material and a salt. The key innovation is a specific concentration gradient where the salt concentration is highest near the cathode and decreases toward the emissive layer, which is claimed to enhance electron injection and transport '737 Patent, abstract '737 Patent, col. 2:10-18
  • Asserted Claims: Independent claim 1 Compl. ¶54
  • Accused Features: The complaint accuses the layered structure of the OLEDs in Samsung's products Compl. ¶55 It specifically alleges that the electron source layer contains an organic material and a salt (Fluorine-based) with a concentration gradient that matches the patent's claims, providing EDS test results as evidence Compl. ¶59

III. The Accused Instrumentality

Product Identification

  • The complaint broadly accuses Samsung's OLED products, including TVs, smartphones, laptops, tablets, monitors, smart watches, and VR headsets Compl. ¶28 The Samsung Galaxy S24 smartphone is identified as an exemplary "Accused Phone" for infringement analysis Compl. ¶34

Functionality and Market Context

  • The accused products are consumer electronics incorporating active-matrix OLED (AMOLED) display panels Compl. ¶22 The complaint alleges these panels provide features such as high refresh rates and color accuracy Compl. ¶26 The infringement allegations focus on the microscopic physical structure of the display panels, including the layout of conductive and insulating layers in the non-display "blank area" and the chemical composition of the layers in the OLED stack itself (Compl. ¶34; Compl. ¶35; Compl. ¶36; Compl. ¶37; Compl. ¶38). Plaintiff asserts that Samsung is a dominant force in the global OLED market, leveraging this technology to achieve significant market share Compl. ¶25

IV. Analysis of Infringement Allegations

'145 Patent Infringement Allegations

Claim Element (from Independent Claim 1) Alleged Infringing Functionality Complaint Citation Patent Citation
a substrate having a display area and a blank area adjacent to the display area The display panel in the Accused Phone is alleged to contain a substrate with distinct display and blank areas. An annotated micrograph identifies these regions (Compl. ¶36). ¶36 col. 1:19-24
the blank area comprising: a metal-line region comprising an insulating multilayer formed on the substrate and a conductive pattern layer formed on the insulating multilayer, so that a plurality of parts of the surface of the insulating multilayer are exposed to be a plurality of isolated zones by forming the conductive pattern layer The blank area of the Accused Phone is alleged to contain a "metal-line region" with the claimed layered structure. A micrograph and cross-section are provided to show the insulating multilayer, conductive pattern layer, and resulting isolated zones Compl. ¶37 ¶37 col. 8:36-49
wherein the insulating multilayer beneath the conductive pattern layer covers the entire substrate at the blank area The complaint alleges that the insulating multilayer in the Accused Phone's blank area extends to cover the entire substrate beneath the conductive pattern. This is supported by an annotated cross-section image (Compl. ¶38). ¶38 col. 10:5-9

'976 Patent Infringement Allegations

Claim Element (from Independent Claim 1) Alleged Infringing Functionality Complaint Citation Patent Citation
a substrate having a display area and a blank area adjacent to the display area, the blank area comprising: The Accused Phone's display panel is alleged to have a substrate with defined display and blank areas. A micrograph is used to illustrate these areas (Compl. ¶46). ¶46 col. 1:21-23
a non-metal line region having a plurality of insulating patterns and a first conductive pattern layer formed on the substrate, the insulating patterns spaced apart from each other by the first conductive pattern layer; and The complaint alleges the Accused Phone's blank area includes this "non-metal line region." Annotated images purport to show the insulating patterns separated by a first conductive pattern layer on the substrate Compl. ¶47 ¶47 col. 10:3-7
a metal-line region having an insulating multilayer formed on the substrate and a second conductive pattern layer formed on the insulating multilayer, so that a plurality of isolated zones are formed on a surface of the insulating multilayer by the second conductive pattern layer The complaint alleges the Accused Phone's blank area also includes a "metal-line region" with the claimed structure. Annotated images are provided to show the insulating multilayer, second conductive pattern layer, and resulting isolated zones (Compl. ¶48). ¶48 col. 10:8-13
  • Identified Points of Contention:
    • Scope Questions: The '145 and '976 patents originate from and frequently reference TFT-LCD technology '145 Patent, col. 1:42-43 A potential point of contention is whether terms like "blank area," "metal-line region," and "non-metal line region" can be interpreted to cover the analogous structures in Samsung's modern OLED panels, or if they are implicitly limited by the specification to the specific context of LCD manufacturing.
    • Technical Questions: The infringement allegations for the '145 and '976 patents rely heavily on the interpretation of micrographs. A key question will be whether the structures depicted in the complaint's visual evidence Compl. ¶37 Compl. ¶47 factually correspond to the specific layered arrangements and resulting "isolated zones" required by the claims. For the '737 patent, a central technical question will be whether the provided EDS test results Compl. ¶59 are sufficient to prove the precise salt concentration gradient "increasingly varied with position closer to the cathode" as claimed, across the full range of accused products.

V. Key Claim Terms for Construction

Term 1: "blank area" ('145 and '976 Patents)

  • Context and Importance: The infringement allegations for both the '145 and '976 patents are entirely focused on the specific structure within the "blank area." The definition and boundaries of this term are therefore foundational to the dispute.
  • Intrinsic Evidence for Interpretation:
    • Evidence for a Broader Interpretation: The specification provides a straightforward structural definition, stating the blank area consists of the "portions besides the display area 11 and the periphery area 12" '145 Patent, col. 1:29-33 This could support an interpretation that applies to any display with such delineated regions.
    • Evidence for a Narrower Interpretation: Defendants may argue that the term is defined by the problem it solves, which is explicitly tied to photoresist removal in a TFT-LCD manufacturing process '145 Patent, col. 1:42-43 This could support an argument that the term is implicitly limited to the technological context of LCDs, not OLEDs.

Term 2: "isolated zones" ('145 and '976 Patents)

  • Context and Importance: This term describes the result of the claimed conductive pattern layer arrangement. Proving infringement requires showing that the accused devices create these "zones." Practitioners may focus on this term because its construction will determine whether a purely structural feature satisfies the claim or if a functional purpose must also be met.
  • Intrinsic Evidence for Interpretation:
    • Evidence for a Broader Interpretation: The abstract describes the zones structurally as being "formed by the conductive pattern layer on the surface of the insulating multilayer" '145 Patent, abstract This suggests a purely structural definition.
    • Evidence for a Narrower Interpretation: The specification explains that the purpose of creating these zones is to facilitate the complete removal of photoresist '145 Patent, col. 2:40-50 '145 Patent, col. 9:11-19 A defendant could argue this functional purpose limits the term to structures that achieve that specific manufacturing benefit, raising questions about whether the accused OLED structures serve the same function.

VI. Other Allegations

  • Indirect Infringement: The complaint alleges induced infringement for all three patents, asserting that Samsung intentionally encourages third parties, including vendors and customers, to use the infringing products Compl. ¶39 Compl. ¶49 Compl. ¶60 The complaint does not specify the exact mechanisms of inducement, such as user manuals or marketing materials.
  • Willful Infringement: Willfulness is alleged for all asserted patents based on Samsung's alleged pre-suit knowledge Compl. ¶41 Compl. ¶51 Compl. ¶62 The complaint grounds this allegation in Samsung's prior business dealings and patent cross-licensing agreements with AUO Optronics, the original assignee of the patents. Plaintiff alleges these agreements, which were not renewed, put Samsung on notice of the patent applications that matured into the asserted patents.

VII. Analyst's Conclusion: Key Questions for the Case

  1. A core issue will be one of definitional scope: Can the claim terms of the '145 and '976 patents, which are described in the context of solving manufacturing problems in TFT-LCDs, be construed to read on the peripheral structures of modern OLED displays, or does the specification implicitly limit their scope to the older technology?
  2. A key evidentiary question will be one of technical proof: For the '737 patent, does the complaint's scientific evidence, such as EDS test data showing a Fluorine gradient, conclusively establish the specific, "increasingly varied" salt concentration profile required by Claim 1, and can this be demonstrated across Samsung's diverse portfolio of accused OLED products?
  3. The case may also turn on a question of willful conduct: Will the documented history of licensing negotiations and agreements between Samsung and the original patent owner, AUO, be sufficient to prove that Samsung had pre-suit knowledge of its alleged infringement, thereby exposing it to the risk of enhanced damages?
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