Patent Theme
LED Optical Extraction & Light Management
Optical structures and lens designs that improve light extraction efficiency from LED dies and modules, including diffractive films, micro-lens arrays, reflectors, and color-conversion layers.
14,291 US filings from 2,521 companies since 2023 · 2023: 3,243 · 2024: 4,317 · 2025: 4,599 · 2026 YTD: 2,132
Lighting Devices (Functional Features)Light-Emitting Devices (LEDs)
Top companies
Ranked by filings in this theme since 2023. 2026 is partial.
| # | Company | Since 2023 | 2023 | 2024 | 2025 | 2026 YTD | YoY |
|---|
| 1 | Samsung Electro-Mechanics Co., Ltd. | 442 | 83 | 168 | 142 | 49 | -15.5% |
| 2 | NICHIA CORPORATION | 396 | 98 | 60 | 172 | 66 | +186.7% |
| 3 | LARGAN PRECISION CO., LTD. | 357 | 91 | 120 | 105 | 41 | -12.5% |
| 4 | SIGNIFY HOLDING B.V. | 254 | 62 | 104 | 65 | 23 | -37.5% |
| 5 | Semiconductor Energy Laboratory Co., Ltd. | 239 | 20 | 107 | 81 | 31 | -24.3% |
| 6 | GENIUS ELECTRONIC OPTICAL (XIAMEN) CO., LTD. | 235 | 82 | 69 | 62 | 22 | -10.1% |
| 7 | Samsung Display Co., Ltd. | 227 | 16 | 59 | 90 | 62 | +52.5% |
| 8 | SAMSUNG ELECTRONICS CO., LTD. | 208 | 51 | 49 | 57 | 51 | +16.3% |
| 9 | CANON KABUSHIKI KAISHA | 203 | 43 | 52 | 75 | 33 | +44.2% |
| 10 | LG INNOTEK CO., LTD. | 200 | 33 | 68 | 77 | 22 | +13.2% |
| 11 | TDK TAIWAN CORP. | 193 | 59 | 59 | 64 | 11 | +8.5% |
| 12 | FUJIFILM CORPORATION | 187 | 32 | 61 | 73 | 21 | +19.7% |
| 13 | ZHEJIANG SUNNY OPTICS CO., LTD. | 153 | 11 | 77 | 49 | 16 | -36.4% |
| 14 | 3M Innovative Properties Company | 135 | 35 | 46 | 40 | 14 | -13.0% |
| 15 | Panasonic Intellectual Property Management Co., Ltd. | 127 | 29 | 42 | 42 | 14 | 0.0% |
| 16 | Lumileds LLC | 111 | 31 | 20 | 43 | 17 | +115.0% |
| 17 | Coretronic Corporation | 109 | 43 | 36 | 18 | 12 | -50.0% |
| 18 | LG DISPLAY CO., LTD. | 100 | 7 | 28 | 41 | 24 | +46.4% |
| 19 | Seoul Viosys Co., Ltd. | 96 | 4 | 12 | 43 | 37 | +258.3% |
| 20 | SHARP KABUSHIKI KAISHA | 95 | 18 | 27 | 36 | 14 | +33.3% |
| 21 | AAC Optics (Suzhou) Co., Ltd. | 91 | 15 | 42 | 29 | 5 | -31.0% |
| 22 | InnoLux Corporation | 89 | 12 | 28 | 32 | 17 | +14.3% |
| 23 | Sumitomo Electric Industries, Ltd. | 88 | 29 | 26 | 20 | 13 | -23.1% |
| 24 | Seiko Epson Corporation | 87 | 27 | 23 | 24 | 13 | +4.3% |
| 25 | GlobalFoundries U.S. Inc. | 86 | 29 | 27 | 21 | 9 | -22.2% |