The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 10, 2025
Filed:
Jul. 31, 2023
Applicant:
Varjo Technologies Oy, Helsinki, FI;
Inventors:
Oiva Arvo Oskari Sahlsten, Helsinki, FI;
Mikko Strandborg, Helsinki, FI;
Assignee:
Varjo Technologies Oy, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01); G09G 3/34 (2006.01); A61B 3/06 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3413 (2013.01); G09G 3/36 (2013.01); G09G 3/3607 (2013.01); A61B 3/066 (2013.01); G09G 2320/0233 (2013.01); G09G 2320/0626 (2013.01); G09G 2320/0666 (2013.01); G09G 2330/021 (2013.01); G09G 2354/00 (2013.01);
Abstract
Disclosed is a backlight unit of a liquid crystal display device, the backlight unit having an array of light-emitting diodes (LEDs) of at least three different colours, wherein the LEDs are arranged as groups of LEDs within the array, each group including at least one LED of each of the at least three different colours; a control circuit that is to be employed to control individual LEDs in the array; and a controller configured to drive the control circuit to selectively decrease a brightness of LEDs of at least one of the at least three different colours in at least a part of the array.