Assignee
DISPELIX OY
FI29 patents
Top patents by PatentIndex Score
US10379358B2Aug 13, 2019
Optical see-through display element and device utilizing such element
DISPELIX OY18 citations83
US11067733B2Jul 20, 2021
Waveguide display element with an intermediate layer between an in-coupling grating and a waveguide
DISPELIX OY3 citations71
US11409122B2Aug 9, 2022
Multilayer waveguide display element
DISPELIX OY5 citations70
US11391943B2Jul 19, 2022
Diffractive display, lightguide element and projector therefor, and method for displaying image
DISPELIX OY5 citations70
US11366317B2Jun 21, 2022
Multipupil waveguide display element and display device
DISPELIX OY2 citations70
US11281010B2Mar 22, 2022
Curved staircase waveguide element, personal display device and method of producing an image
DISPELIX OY4 citations70
US11086065B2Aug 10, 2021
Diffractive grating with variable diffraction efficiency and method for displaying an image
DISPELIX OY2 citations69
US11391870B2Jul 19, 2022
Height-modulated diffractive master plate and method of manufacturing thereof
DISPELIX OY2 citations67
US12019236B2Jun 25, 2024
Diffractive exit pupil expander arrangement for display applications
DISPELIX OY1 citations61
US12019259B2Jun 25, 2024
Waveguide display and display element with novel grating configuration
DISPELIX OY0 citations60
US11846777B2Dec 19, 2023
Interference-free waveguide display
DISPELIX OY1 citations60
US11650424B2May 16, 2023
Waveguide display having improved brightness
DISPELIX OY0 citations60
US11435592B2Sep 6, 2022
Laser projector and diffractive display device
DISPELIX OY1 citations60
US11194081B2Dec 7, 2021
Method of manufacturing a diffractive grating
DISPELIX OY0 citations58
US11513268B2Nov 29, 2022
Method of manufacturing a variable efficiency diffractive grating and a diffractive grating
DISPELIX OY1 citations57
US11448876B2Sep 20, 2022
Method of manufacturing a height-modulated optical diffractive grating
DISPELIX OY0 citations55
US11067812B2Jul 20, 2021
Waveguide display element with reflector surface
DISPELIX OY1 citations55
US12253687B2Mar 18, 2025
Grating arrangements
DISPELIX OY0 citations50
US11906731B2Feb 20, 2024
Waveguide element and waveguide stack for display applications
DISPELIX OY0 citations50
US11846787B2Dec 19, 2023
Diffractive waveguide element and diffractive waveguide display
DISPELIX OY0 citations50
US12242088B2Mar 4, 2025
Diffractive element with doubly periodic gratings
DISPELIX OY0 citations49
US11487112B2Nov 1, 2022
Head-up display
DISPELIX OY0 citations49
US11275234B2Mar 15, 2022
Projection objective and waveguide display device
DISPELIX OY0 citations48
US11237380B2Feb 1, 2022
Eyepiece for a personal display and personal display comprising such eyepiece
DISPELIX OY0 citations48
US12032182B2Jul 9, 2024
Diffractive grating
DISPELIX OY0 citations47
US12521916B2Jan 13, 2026
Manufacturing method of master template and stamp of grating of diffractive optic element, master template and stamp
DISPELIX OY0 citations44
US11892623B2Feb 6, 2024
Exit pupil expander
DISPELIX OY0 citations42
US11650427B2May 16, 2023
Diffractive display element with grating mirror
DISPELIX OY0 citations42
US12360305B2Jul 15, 2025
Optical waveguide for augmented reality display
DISPELIX OY0 citations31