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. 16, 2025
Filed:
Dec. 21, 2021
Samsung Display Co., Ltd., Yongin-Si, KR;
Dowooinsys Co., Ltd., Cheongju-si, KR;
Hanggyun Park, Suwon-si, KR;
Hyo-Seop Kim, Asan-si, KR;
Hyoungsuk Roh, Cheonan-si, KR;
Jang Doo Lee, Hwaseong-si, KR;
Bon Ki Koo, Chungcheongbuk-do, KR;
Jeong Gi Kim, Yongin-si, KR;
Seok Joo Yoon, Cheonan-si, KR;
Hyungsup Lee, Yongin-si, KR;
Kyoung Yong Cha, Yongin-si, KR;
SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do, KR;
DOWOOINSYS CO., LTD., Cheongju-si, KR;
Abstract
A refill system includes a tempering furnace, a refill furnace which stores the molten potassium nitrate obtained by melting powdered potassium nitrate, a supply unit which supplies the molten potassium nitrate to the tempering furnace, a tempering furnace side load measuring unit which measures a load amount of the molten potassium nitrate in the tempering furnace, a refill furnace side load measuring unit which measures a load amount of the molten potassium nitrate in the refill furnace, and a central control unit which checks the load amount of the molten potassium nitrate in the tempering furnace and the refill furnace in real time, and controls the supply unit to stop supplying the molten potassium nitrate to the tempering furnace when the load amount of the molten potassium nitrate in the tempering furnace is greater than or equal to a predetermined load amount.