Patent · US Expired

LCD assembly with light pipe having lightguides extending from surface to surface and retaining means integral with the lightpipe

US5339178A · kind A · utility

24Cited by
8References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 19, 1993
Grant dateAug 16, 1994
Priority date
Expiry dateMar 19, 2013

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S385/901
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A display system (100) includes a liquid crystal display (110), a lightpipe (130), and a support structure such as a printed circuit board (160). The lightpipe (130) has integrally formed retaining members (232) to secure the liquid crystal display (110), and integrally formed mounting members (346) to mount and secure the lightpipe (130) to the support structure (160). The liquid crystal display (110) mounts onto the lightpipe (130) and is secured by the retaining members (232). The lightpipe (130) mounts onto the support structure (160) and is secured by the mounting members (346).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.