Patent Theme
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.
16,760 US filings from 1,098 companies since 2023 · 2023: 4,217 · 2024: 5,478 · 2025: 5,038 · 2026 YTD: 2,027
Liquid Crystal & Optical Modulators
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. | 3,357 | 832 | 986 | 1,047 | 492 | +6.2% |
| 2 | BOE Technology Group Co., Ltd. | 1,787 | 393 | 634 | 572 | 188 | -9.8% |
| 3 | LG DISPLAY CO., LTD. | 1,717 | 427 | 478 | 541 | 271 | +13.2% |
| 4 | SAMSUNG ELECTRONICS CO., LTD. | 725 | 203 | 200 | 221 | 101 | +10.5% |
| 5 | CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD. | 513 | 74 | 173 | 209 | 57 | +20.8% |
| 6 | Japan Display Inc. | 459 | 158 | 168 | 107 | 26 | -36.3% |
| 7 | TCL China Star Optoelectronics Technology Co., Ltd. | 428 | 81 | 232 | 97 | 18 | -58.2% |
| 8 | HKC CORPORATION LIMITED | 370 | 107 | 154 | 79 | 30 | -48.7% |
| 9 | InnoLux Corporation | 311 | 58 | 104 | 109 | 40 | +4.8% |
| 10 | E Ink Corporation | 297 | 76 | 87 | 106 | 28 | +21.8% |
| 11 | Apple Inc. | 281 | 74 | 90 | 82 | 35 | -8.9% |
| 12 | SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD. | 251 | 61 | 121 | 64 | 5 | -47.1% |
| 13 | Semiconductor Energy Laboratory Co., Ltd. | 238 | 72 | 87 | 66 | 13 | -24.1% |
| 14 | Seiko Epson Corporation | 237 | 71 | 79 | 64 | 23 | -19.0% |
| 15 | NOVATEK Microelectronics Corp. | 217 | 53 | 56 | 64 | 44 | +14.3% |
| 16 | Hefei BOE Joint Technology Co., Ltd. | 204 | 35 | 66 | 75 | 28 | +13.6% |
| 17 | Wuhan Tianma Micro-Electronics Co., Ltd. | 201 | 56 | 72 | 56 | 17 | -22.2% |
| 18 | LX SEMICON CO., LTD. | 198 | 60 | 68 | 62 | 8 | -8.8% |
| 19 | Sharp Display Technology Corporation | 194 | 25 | 66 | 57 | 46 | -13.6% |
| 20 | WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD. | 180 | 30 | 87 | 55 | 8 | -36.8% |
| 21 | Xiamen Tianma Display Technology Co., Ltd. | 165 | 29 | 63 | 49 | 24 | -22.2% |
| 22 | WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD. | 161 | 23 | 66 | 52 | 20 | -21.2% |
| 23 | SHARP KABUSHIKI KAISHA | 160 | 55 | 62 | 30 | 13 | -51.6% |
| 24 | Beijing BOE Display Technology Co., Ltd. | 159 | 34 | 61 | 45 | 19 | -26.2% |
| 25 | Beijing BOE Technology Development Co., Ltd. | 159 | 11 | 23 | 96 | 29 | +317.4% |