US 12,306,474 B2
Spectacle lens for a display device which can be placed on the head of a user and generates an image
Christoph Menke, Oberkochen (DE)
Assigned to tooz technologies GmbH, Aalen (DE)
Filed by tooz technologies GmbH, Aalen (DE)
Filed on Nov. 8, 2023, as Appl. No. 18/504,658.
Application 18/504,658 is a continuation of application No. 17/513,848, filed on Oct. 28, 2021, granted, now 11,841,558.
Application 17/513,848 is a continuation of application No. 16/480,649, granted, now 11,194,177, issued on Dec. 7, 2021, previously published as PCT/EP2018/050733, filed on Jan. 12, 2018.
Claims priority of application No. 102017101352.0 (DE), filed on Jan. 25, 2017.
Prior Publication US 2024/0069362 A1, Feb. 29, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. G02C 7/06 (2006.01); G02B 27/01 (2006.01); G02C 9/00 (2006.01)
CPC G02C 7/061 (2013.01) [G02B 27/0172 (2013.01); G02C 9/00 (2013.01); G02B 2027/0178 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A spectacle lens for a display device which can be placed on the head of a user and that generates an image, the spectacle lens comprising:
a front side and a rear side;
an input section;
a deviating section separated from the input section;
an exit section in the rear side; and
a light guide channel,
wherein the light guiding channel guides light beams from pixels of the image that is generated,
wherein the light beams from the pixels are input into the spectacle lens through the input section and travel through the spectacle lens as far as the deviating section,
wherein at the deviating section the light beams from the pixels are deviated in the direction of the exit section and are then output from the spectacle lens through the exit section,
wherein the spectacle lens is configured as a progressive power lens with a far-field region and a near-field region,
wherein the exit section, as seen in a plan view of the rear side of the spectacle lens, lies outside the far-field region and outside the near-field region,
wherein the front side is curved and is configured as a freeform surface to correct ametropia of the user.