Company patents

SUZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.

SUZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD. shows a surprising patent strategy with a heavy focus on "Liquid Crystal & Optical Modulators," accounting for 50.0% of its portfolio, despite a significant decline in filings by 44.4% in 2025 and 80.0% so far in 2026. While most categories saw sharp declines in 2025 and 2026, "Semiconductor Diodes & Transistors" stands out as an emerging focus, experiencing a 100.0% growth in patent filings so far in 2026.

Patent Trend by Technology Area

Yearly patent publications since 2023

Product themes

Product-level themes inferred from filings since 2023, with category chips showing where each theme appears. Select a theme to filter the patents below.

60 US filings (since 2023) · 12 categories · 17 themes

Display Panel Manufacturing & Encapsulation

Techniques and structural designs for fabricating the physical layers of an OLED display, including material deposition, patterning, and methods to protect the active organic layers from environmental degradation like moisture and oxygen.

Signs & Displays (Static)
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34since 2023
-59.1%YoY
Advanced Display Backlight & Optics

Innovations in backlight units, optical films, and light management structures to enhance display performance, uniformity, viewing experience, or specific functionalities like touch.

Liquid Crystal & Optical Modulators
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18since 2023
-45.5%YoY
Seamless Display Tiling

Techniques and structural designs for assembling multiple display modules or panels to create a larger, continuous display with minimized visible seams, uniform light emission, and robust mechanical integrity.

Signs & Displays (Static)
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13since 2023
-28.6%YoY
Electrophoretic Display Control

Techniques for driving electrophoretic displays, including managing remnant voltage, optimizing particle movement, and specific addressing pulse schemes to improve optical quality and update speed.

Liquid Crystal & Optical Modulators
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12since 2023
-28.6%YoY
Display Pixel Array Structures

Physical layout and material composition of individual pixels within a display panel, including active layers, electrodes, light-emitting elements (LEDs, OLEDs), and associated thin-film transistors (TFTs).

Liquid Crystal & Optical ModulatorsIntegrated Circuit Layout & Arrangement
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11since 2023
-62.5%YoY
Flexible/Foldable Device Structures

Engineering solutions for creating electronic devices with bendable, foldable, or stretchable form factors, often involving hinges, flexible displays, and sliding mechanisms to enable dynamic physical configurations.

Hardware Platform (Cooling, Power, Packaging)Signs & Displays (Static)
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11since 2023
-60.0%YoY
Micro-LED Array Fabrication

Methods and structures for mass-producing and assembling arrays of micro-LEDs onto a substrate, including transfer processes, bonding techniques, and defect management.

LED & Optoelectronics (Legacy CPC)
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8since 2023
-66.7%YoY
Display Pixel & Optical Materials

Optical and pixel-defining materials for display panels, including black matrix compositions, color filter pigments, optical alignment films, and pixel-define layers.

Liquid Crystal & Optical Modulators
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6since 2023
+100.0%YoY
On-Chip Sensing & Display Integration

Integration of various sensor types (e.g., thermal, strain) or display components directly onto semiconductor substrates or within device architectures for compact and high-performance systems.

Semiconductor Diodes & Transistors
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5since 2023
-66.7%YoY
Display Power Management

Techniques and circuits for optimizing power consumption, voltage stability, and energy efficiency in display panels, often involving dynamic voltage scaling, duty cycle control, or remnant voltage management.

Display Drivers
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3since 2023
+100.0%YoY
Pixel and Gate Driver Architectures

Design and implementation of circuits and layouts for driving individual pixels or rows/columns of pixels, including gate drivers, data drivers, pixel driving circuits, and their integration onto the display substrate, often in non-display regions.

Display Drivers
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3since 2023
-50.0%YoY
Rollable Display Mechanisms

Mechanical systems and structural designs that facilitate the rolling up or unrolling of a display panel, typically comprising a roller part, a housing, and support linkages or drivers.

Signs & Displays (Static)
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3since 2023
0.0%YoY
Automated Visual Inspection

Systems that employ imaging and image processing to automatically detect defects, verify states, or ensure quality control in manufactured goods, printed materials, or industrial processes.

Pictorial / Video Communications
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2since 2023
0.0%YoY
Integrated Display & Illumination

Systems that combine light sources, waveguides, and display elements into unified products for backlighting, automotive applications, general lighting, or color-corrected displays.

Optical Elements & Systems
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1since 2023
new
Advanced Metallization & Contacts

Novel materials and processes for forming low-resistance electrical contacts and interconnects within semiconductor devices, including selective deposition, silicidation, and barrier layers for improved performance and scaling.

Semiconductor Diodes & Transistors
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1since 2023
new
Illuminated Signage Systems

Signage and display systems that incorporate integrated lighting elements, such as LEDs, often featuring backlighting, power management (e.g., solar, battery backup), and specialized frame designs for visibility.

Signs & Displays (Static)
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1since 2023
new
LED Epitaxial Layer Engineering

Development and optimization of the semiconductor material layers and their interfaces within an LED to control light emission properties, manage internal stress, and improve device efficiency.

LED & Optoelectronics (Legacy CPC)
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1since 2023
n/a

Patents

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