Light blocking member and projection video display device
US-12019359-B2 · Jun 25, 2024 · US
Light engine and rear projection television
US8964129B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8964129-B2 |
| Application number | US-201313927393-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jun 26, 2013 |
| Priority date | Jan 22, 2013 |
| Publication date | Feb 24, 2015 |
| Grant date | Feb 24, 2015 |
How to read this patent
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
- Title
What the patent document calls the invention.
- Abstract
A short plain-language summary of the technical disclosure.
- Assignees and inventors
Who owns or filed the patent and who is credited as inventor.
- Key dates
Filing, priority, publication, and grant dates set the timeline.
- First independent claim
The legal scope of protection — read this for what is actually claimed.
- CPC / IPC classifications
Technology tags used to group this patent with similar filings.
- Citations and related patents
Prior art links and similar publications in this corpus.
Abstract
Official abstract text for this publication.
A light engine includes a light source module, an optical assembly, a collimating lens, and a reflecting lens. The optical assembly includes a light inlet and a light outlet communicating with the light inlet. The light source module is connected to the light inlet. The collimating lens is connected to the light outlet. The reflecting lens includes a concave surface, and the concave surface faces the collimating lens.
First claim
Opening claim text (preview).
What is claimed is: 1. A light engine, comprising: a light source module; an optical assembly comprising a light inlet and a light outlet communicating with the light inlet, the light source module connected to the light inlet; a collimating lens connected to the light outlet; and a reflecting lens comprising a concave surface, the concave surface facing the collimating lens; wherein the light source module comprises: three light emitting diodes (LEDs) and an X-prism, the…
Assignees
Inventors
Classifications
- H04N9/31Primary
Electricity · mapped topic
Mechanical Engineering · mapped topic
- G03B21/2033Primary
Physics · mapped topic
Physics · mapped topic
Physics · mapped topic
Patent family
Related publications grouped by family.
External sources
Next steps
Free tools are coming soon. Tell us what you want to track and we'll notify you.
Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US8964129B2 cover?
- A light engine includes a light source module, an optical assembly, a collimating lens, and a reflecting lens. The optical assembly includes a light inlet and a light outlet communicating with the light inlet. The light source module is connected to the light inlet. The collimating lens is connected to the light outlet. The reflecting lens includes a concave surface, and the concave surface fac…
- Who is the assignee on this patent?
- Hon Hai Prec Ind Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification H04N9/31. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Feb 24 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).