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.

#CompanySince 20232023202420252026 YTDYoY
1Samsung Electro-Mechanics Co., Ltd.4428316814249-15.5%
2NICHIA CORPORATION396986017266+186.7%
3LARGAN PRECISION CO., LTD.3579112010541-12.5%
4SIGNIFY HOLDING B.V.254621046523-37.5%
5Semiconductor Energy Laboratory Co., Ltd.239201078131-24.3%
6GENIUS ELECTRONIC OPTICAL (XIAMEN) CO., LTD.23582696222-10.1%
7Samsung Display Co., Ltd.22716599062+52.5%
8SAMSUNG ELECTRONICS CO., LTD.20851495751+16.3%
9CANON KABUSHIKI KAISHA20343527533+44.2%
10LG INNOTEK CO., LTD.20033687722+13.2%
11TDK TAIWAN CORP.19359596411+8.5%
12FUJIFILM CORPORATION18732617321+19.7%
13ZHEJIANG SUNNY OPTICS CO., LTD.15311774916-36.4%
143M Innovative Properties Company13535464014-13.0%
15Panasonic Intellectual Property Management Co., Ltd.127294242140.0%
16Lumileds LLC11131204317+115.0%
17Coretronic Corporation10943361812-50.0%
18LG DISPLAY CO., LTD.1007284124+46.4%
19Seoul Viosys Co., Ltd.964124337+258.3%
20SHARP KABUSHIKI KAISHA9518273614+33.3%
21AAC Optics (Suzhou) Co., Ltd.911542295-31.0%
22InnoLux Corporation8912283217+14.3%
23Sumitomo Electric Industries, Ltd.8829262013-23.1%
24Seiko Epson Corporation8727232413+4.3%
25GlobalFoundries U.S. Inc.862927219-22.2%