Patents by Inventor Jong-Sub Jung

Jong-Sub Jung has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

Grinder, grinding method using the grinder, manufacturing method of display device using the grinding method, and display device manufactured by the manufacturing method

Patent number: 8721389

Abstract: A grinder including a grinding unit including a grinding surface and a shaft connected to the grinding unit for rotating the grinding unit. The grinding unit includes polyurethane and a mixture of a repairer and an abrasive, and an angle ? between a plane perpendicular to a rotational axis of the shaft and the grinding surface satisfies 1°???7°.

Type: Grant

Filed: January 25, 2011

Date of Patent: May 13, 2014

Assignee: Samsung Display Co., Ltd.

Inventors: Jong-Sub Jung, Weon-Woo Choi, Dong-Wok Seo, Kwan-Su Kim
GRINDER, GRINDING METHOD USING THE GRINDER, MANUFACTURING METHOD OF DISPLAY DEVICE USING THE GRINDING METHOD, AND DISPLAY DEVICE MANUFACTURED BY THE MANUFACTURING METHOD

Publication number: 20110223839

Abstract: A grinder including a grinding unit including a grinding surface and a shaft connected to the grinding unit for rotating the grinding unit. The grinding unit includes polyurethane and a mixture of a repairer and an abrasive, and an angle ? between a plane perpendicular to a rotational axis of the shaft and the grinding surface satisfies 1°???7°.

Type: Application

Filed: January 25, 2011

Publication date: September 15, 2011

Inventors: Jong-Sub Jung, Weon-Woo Choi, Dong-Wok Soe, Kwan-Su Kim

Grinder, grinding method using the grinder, manufacturing method of display device using the grinding method, and display device manufactured by the manufacturing method

GRINDER, GRINDING METHOD USING THE GRINDER, MANUFACTURING METHOD OF DISPLAY DEVICE USING THE GRINDING METHOD, AND DISPLAY DEVICE MANUFACTURED BY THE MANUFACTURING METHOD