US 12,405,497 B2
Broadband adaptive lens assembly for augmented reality display
Chulwoo Oh, Cedar Park, TX (US); Ravi Kumar Komanduri, Austin, TX (US); Roy Matthew Patterson, Hutto, TX (US); Charles Scott Carden, Austin, TX (US); Michael Nevin Miller, Austin, TX (US); and Vikramjit Singh, Pflugerville, TX (US)
Assigned to MAGIC LEAP, INC., Plantation, FL (US)
Filed by Magic Leap, Inc., Plantation, FL (US)
Filed on Mar. 11, 2024, as Appl. No. 18/601,808.
Application 17/582,845 is a division of application No. 16/171,290, filed on Oct. 25, 2018, granted, now 11,231,612, issued on Jan. 25, 2022.
Application 18/601,808 is a continuation of application No. 17/582,845, filed on Jan. 24, 2022, granted, now 11,960,165.
Claims priority of provisional application 62/577,672, filed on Oct. 26, 2017.
Prior Publication US 2024/0255796 A1, Aug. 1, 2024
Int. Cl. G02F 1/1335 (2006.01); G02B 1/00 (2006.01); G02B 5/18 (2006.01); G02B 5/30 (2006.01); G02B 6/12 (2006.01); G02B 6/122 (2006.01); G02B 27/01 (2006.01); G02F 1/1337 (2006.01); G06T 19/00 (2011.01); G06V 20/20 (2022.01); G09G 3/00 (2006.01); G09G 5/00 (2006.01); G09G 5/14 (2006.01)
CPC G02F 1/133526 (2013.01) [G02B 1/00 (2013.01); G02B 5/1833 (2013.01); G02B 5/30 (2013.01); G02B 6/12 (2013.01); G02B 6/122 (2013.01); G02B 27/0172 (2013.01); G02F 1/133528 (2013.01); G02F 1/1337 (2013.01); G06T 19/006 (2013.01); G06V 20/20 (2022.01); G09G 3/002 (2013.01); G09G 3/003 (2013.01); G09G 5/00 (2013.01); G09G 5/14 (2013.01)] 14 Claims
OG exemplary drawing
 
1. An integrated broadband adaptive lens assembly for a display, comprising:
a first electrode, a second electrode and a liquid crystal (LC) layer stack interposed between the first electrode and the second electrode,
wherein the LC layer stack comprises:
a switchable liquid crystal (LC) layer comprising unpolymerized LC molecules interposed between first and second polymerized LC layers each comprising polymerized LC molecules,
wherein LC molecules in the switchable LC layer that are adjacent to LC molecules in the first polymerized LC layer are generally elongated in a first direction,
wherein LC molecules in the switchable LC layer that are adjacent to LC molecules in the second polymerized LC layer are generally elongated in a second direction crossing the first direction,
wherein the switchable LC layer comprises LC molecules configured such that under a first voltage condition across the first and second electrodes, a polarization of incident light passing therethrough is preserved, while under a second voltage condition across the first and second electrodes, the polarization of the incident light passing therethrough is altered, and
wherein the switchable LC layer directly contacts each of the first and second polymerized LC layers without an intervening alignment layer.