Invention Grant
US08508848B2 Exit pupil expanders with wide field-of-view 有权
退出具有广泛视野的学生扩张器

  • Patent Title: Exit pupil expanders with wide field-of-view
  • Patent Title (中): 退出具有广泛视野的学生扩张器
  • Application No.: US12745793
    Application Date: 2007-12-18
  • Publication No.: US08508848B2
    Publication Date: 2013-08-13
  • Inventor: Pasi Saarikko
  • Applicant: Pasi Saarikko
  • Applicant Address: FI Espoo
  • Assignee: Nokia Corporation
  • Current Assignee: Nokia Corporation
  • Current Assignee Address: FI Espoo
  • Agency: Harrington & Smith
  • International Application: PCT/IB2007/003960 WO 20071218
  • International Announcement: WO2009/077802 WO 20090625
  • Main IPC: G02B5/18
  • IPC: G02B5/18
Exit pupil expanders with wide field-of-view
Abstract:
The specification and drawings present a new apparatus and method for providing a wide field-of-view as well as illumination uniformity in exit pupil expanders (EPE) using stacked EPE substrates (or plates) with non-symmetric exit pupil expansion that use a plurality of diffractive elements for expanding the exit pupil of a display for viewing.
Public/Granted literature
Information query
Patent Agency Ranking
0/0