Patents
US 12222534 B1: Optical film
- Granted
- 2025-02-11
- Filed
- 2024-04-30 application 18650132
- Type
- Utility · 20 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Provided is an optical film comprising a first base portion; a pyramid pattern layer including a plurality of pyramid patterns formed on a first surface of the first base portion and a first side of a base of the pyramid pattern arranged in a pyramid direction; and a first prism pattern layer including a plurality of first prism patterns formed on a second surface of the first base portion and an edge of the first prism pattern arranged in a prism direction.
Source: PVGPATDIS, file of 2026-04-10 (ipg250211.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| LMS Co., Ltd. 85 patents | Foreign company or organization | Pyeongtaek-si, KR | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Byeonghun LEE | Pyeongtaek-si, KR | 4 | PVGPATDIS, file of 2026-04-10 | |
| Hyeonuk PARK | Pyeongtaek-si, KR | 4 | PVGPATDIS, file of 2026-04-10 | |
| Dongkyu Lee | Pyeongtaek-si, KR | 92 | PVGPATDIS, file of 2026-04-10 | |
| Changgoo Park | Pyeongtaek-si, KR | 2 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| G02B | Optical elements, systems or apparatus | G02B6/0051 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2024-04-30 | Assignment Assignment of assignor's interest | LEE, BYEONGHUN signed 2024-04-17 LEE, DONGKYU signed 2024-04-17 PARK, CHANGGOO signed 2024-04-17 PARK, HYEONUK signed 2024-04-17 | LMS CO., LTD. PYEONGTAEK-SI, GYEONGGI-DO | 67262/122 | ECORSEXC, file of 2026-09-25 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.