Patent Theme
Advanced LED Device Structures
Innovations in the internal design of individual light-emitting diode chips or packages, focusing on semiconductor layer arrangements, electrode configurations, reflective elements, and light extraction features.
18,727 US filings from 1,499 companies since 2023 · 2023: 4,705 · 2024: 5,942 · 2025: 5,593 · 2026 YTD: 2,487
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 Display Co., Ltd. | 2,410 | 560 | 659 | 820 | 371 | +24.4% |
| 2 | LG DISPLAY CO., LTD. | 981 | 186 | 302 | 274 | 219 | -9.3% |
| 3 | SAMSUNG ELECTRONICS CO., LTD. | 821 | 249 | 238 | 229 | 105 | -3.8% |
| 4 | NICHIA CORPORATION | 795 | 265 | 217 | 230 | 83 | +6.0% |
| 5 | Semiconductor Energy Laboratory Co., Ltd. | 725 | 150 | 273 | 224 | 78 | -17.9% |
| 6 | BOE Technology Group Co., Ltd. | 554 | 96 | 209 | 162 | 87 | -22.5% |
| 7 | Seoul Viosys Co., Ltd. | 421 | 113 | 143 | 108 | 57 | -24.5% |
| 8 | UNIVERSAL DISPLAY CORPORATION | 337 | 108 | 105 | 83 | 41 | -21.0% |
| 9 | LG Chem, Ltd. | 324 | 86 | 140 | 67 | 31 | -52.1% |
| 10 | Lumileds LLC | 295 | 118 | 73 | 78 | 26 | +6.8% |
| 11 | InnoLux Corporation | 291 | 71 | 92 | 95 | 33 | +3.3% |
| 12 | Idemitsu Kosan Co., Ltd. | 283 | 86 | 90 | 71 | 36 | -21.1% |
| 13 | EPISTAR CORPORATION | 268 | 89 | 98 | 65 | 16 | -33.7% |
| 14 | LG ELECTRONICS INC. | 265 | 66 | 76 | 88 | 35 | +15.8% |
| 15 | Sony Semiconductor Solutions Corporation | 261 | 56 | 103 | 77 | 25 | -25.2% |
| 16 | CANON KABUSHIKI KAISHA | 247 | 51 | 66 | 94 | 36 | +42.4% |
| 17 | SHARP KABUSHIKI KAISHA | 235 | 74 | 72 | 61 | 28 | -15.3% |
| 18 | ams-OSRAM International GmbH | 200 | 24 | 70 | 73 | 33 | +4.3% |
| 19 | JADE BIRD DISPLAY (SHANGHAI) LIMITED | 178 | 19 | 43 | 92 | 24 | +114.0% |
| 20 | CREELED, INC. | 175 | 48 | 47 | 44 | 36 | -6.4% |
| 21 | SEOUL SEMICONDUCTOR CO., LTD. | 171 | 44 | 51 | 58 | 18 | +13.7% |
| 22 | Japan Display Inc. | 163 | 32 | 54 | 65 | 12 | +20.4% |
| 23 | SONY GROUP CORPORATION | 163 | 35 | 66 | 53 | 9 | -19.7% |
| 24 | DUK SAN NEOLUX CO., LTD. | 151 | 34 | 53 | 51 | 13 | -3.8% |
| 25 | OSRAM Opto Semiconductors GmbH | 147 | 35 | 42 | 60 | 10 | +42.9% |