Patents
US 12529927 B2: Optical film
- Granted
- 2026-01-20
- Filed
- 2024-04-08 application 18628808
- Type
- Utility · 20 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
An optical film according to various embodiments of the present invention may include a base portion; a pyramid pattern layer wherein a plurality of pyramid patterns having a vertex angle being in the vertex angle range of 60° or larger to 160° or smaller is formed on one surface of the base portion; and a diffusion layer wherein a plurality of optical protrusion patterns formed on the other surface of the base portion. the pyramid pattern layer is formed to have a refractive index greater than or equal to a refractive index of the diffusion layer, and a haze value of the diffusion layer is 15% or higher.
Source: PTBLXML, file of 2026-01-20 (ipgb20260120.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| LMS Co., Ltd. 85 patents | Foreign company or organization | Pyeongtaek-si, KR | PTBLXML, file of 2026-01-20 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Seongsu Lee | Pyeongtaek-si, KR | PTBLXML, file of 2026-01-20 |
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 | G02F1/133607 | PTBLXML, file of 2026-01-20 |
| G02B | Optical elements, systems or apparatus | G02B5/045 | PTBLXML, file of 2026-01-20 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
No recorded assignments or security interests on file for this patent.
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.