Patents
US 12222597 B2: Optical film and electronic device including the same
- Granted
- 2025-02-11
- Filed
- 2023-06-16 application 18336653
- Type
- Utility · 7 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
An optical film is provided. The optical film includes a mat layer including a plurality of protrusions, a first base film disposed under the mat layer, a light blocking pattern layer disposed under the first base film and including a plurality of light absorption patterns arranged in a first direction, an adhesive layer disposed under the light blocking pattern layer, a second base film attached to the light blocking pattern layer using the adhesive layer, and a prism structure disposed under the second base film where the prism structure includes a plurality of prisms arranged along a second direction inclined at 80° to 100° with respect to the first 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 |
|---|---|---|---|---|
| Moonho HAM | Pyeongtaek-si, KR | 1 | PVGPATDIS, file of 2026-04-10 | |
| Janghee CHO | Pyeongtaek-si, KR | 2 | PVGPATDIS, file of 2026-04-10 | |
| Jongmun Lee | Pyeongtaek-si, KR | 2 | PVGPATDIS, file of 2026-04-10 | |
| Taegu Hwang | Pyeongtaek-si, KR | 1 | PVGPATDIS, file of 2026-04-10 | |
| Wonhee Lee | Pyeongtaek-si, KR | 63 | PVGPATDIS, file of 2026-04-10 | |
| Jinhwan Kim | Pyeongtaek-si, KR | 49 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| G02F | Optical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein; non-linear optics; frequency-changing of light; optical logic elements; optical analogue/digital converters | G02F1/133504 | 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 |
|---|---|---|---|---|---|
| 2023-06-16 | Assignment Assignment of assignor's interest | CHO, JANGHEE signed 2023-06-08 HAM, MOONHO signed 2023-06-08 HWANG, TAEGU signed 2023-06-08 KIM, JINHWAN signed 2023-06-08 LEE, JONGMUN signed 2023-06-08 LEE, WONHEE signed 2023-06-08 | LMS CO., LTD. PYEONGTAEK-SI, GYEONGGI-DO | 63977/839 | 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.