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:
Sep. 08, 2026
Filed:
May. 20, 2024
Hkc Corporation Limited, Shenzhen, CN;
Yang He, Shenzhen, CN;
Junfeng Xie, Shenzhen, CN;
HKC CORPORATION LIMITED, Shenzhen, CN;
Abstract
A halo test method includes selecting one or more to-be-tested regions from a to-be-tested display device; and lighting up a target test region with a preset grey scale; and then obtaining luminances where a plurality of unlit pixel points within a preset range from the target test region are located, and obtaining the normalized grey scales corresponding to the luminances where each unlit pixel point is located; and then based on the normalized grey scale corresponding to the luminance, obtaining normalized grey scale difference information measured in the target test region; and obtaining a halo value of the to-be-tested display device based on the normalized grey scale difference information measured in the one or more to-be-tested regions.